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Style: uncrustify kernel files

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Alfred Gedeon 2020-07-07 17:42:07 -07:00 committed by alfred gedeon
parent 66a815653b
commit 587a83d647
385 changed files with 4714 additions and 4338 deletions
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37
croutine.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#include "FreeRTOS.h" #include "FreeRTOS.h"
@ -41,17 +42,17 @@
/* Lists for ready and blocked co-routines. --------------------*/ /* Lists for ready and blocked co-routines. --------------------*/
static List_t pxReadyCoRoutineLists[ configMAX_CO_ROUTINE_PRIORITIES ]; /*< Prioritised ready co-routines. */ static List_t pxReadyCoRoutineLists[ configMAX_CO_ROUTINE_PRIORITIES ]; /*< Prioritised ready co-routines. */
static List_t xDelayedCoRoutineList1; /*< Delayed co-routines. */ static List_t xDelayedCoRoutineList1; /*< Delayed co-routines. */
static List_t xDelayedCoRoutineList2; /*< Delayed co-routines (two lists are used - one for delays that have overflowed the current tick count. */ static List_t xDelayedCoRoutineList2; /*< Delayed co-routines (two lists are used - one for delays that have overflowed the current tick count. */
static List_t * pxDelayedCoRoutineList = NULL; /*< Points to the delayed co-routine list currently being used. */ static List_t * pxDelayedCoRoutineList = NULL; /*< Points to the delayed co-routine list currently being used. */
static List_t * pxOverflowDelayedCoRoutineList = NULL; /*< Points to the delayed co-routine list currently being used to hold co-routines that have overflowed the current tick count. */ static List_t * pxOverflowDelayedCoRoutineList = NULL; /*< Points to the delayed co-routine list currently being used to hold co-routines that have overflowed the current tick count. */
static List_t xPendingReadyCoRoutineList; /*< Holds co-routines that have been readied by an external event. They cannot be added directly to the ready lists as the ready lists cannot be accessed by interrupts. */ static List_t xPendingReadyCoRoutineList; /*< Holds co-routines that have been readied by an external event. They cannot be added directly to the ready lists as the ready lists cannot be accessed by interrupts. */
/* Other file private variables. --------------------------------*/ /* Other file private variables. --------------------------------*/
CRCB_t * pxCurrentCoRoutine = NULL; CRCB_t * pxCurrentCoRoutine = NULL;
static UBaseType_t uxTopCoRoutineReadyPriority = 0; static UBaseType_t uxTopCoRoutineReadyPriority = 0;
static TickType_t xCoRoutineTickCount = 0, xLastTickCount = 0, xPassedTicks = 0; static TickType_t xCoRoutineTickCount = 0, xLastTickCount = 0, xPassedTicks = 0;
/* The initial state of the co-routine when it is created. */ /* The initial state of the co-routine when it is created. */
#define corINITIAL_STATE ( 0 ) #define corINITIAL_STATE ( 0 )
@ -103,7 +104,7 @@
UBaseType_t uxIndex ) UBaseType_t uxIndex )
{ {
BaseType_t xReturn; BaseType_t xReturn;
CRCB_t * pxCoRoutine; CRCB_t * pxCoRoutine;
/* Allocate the memory that will store the co-routine control block. */ /* Allocate the memory that will store the co-routine control block. */
pxCoRoutine = ( CRCB_t * ) pvPortMalloc( sizeof( CRCB_t ) ); pxCoRoutine = ( CRCB_t * ) pvPortMalloc( sizeof( CRCB_t ) );
@ -125,9 +126,9 @@
} }
/* Fill out the co-routine control block from the function parameters. */ /* Fill out the co-routine control block from the function parameters. */
pxCoRoutine->uxState = corINITIAL_STATE; pxCoRoutine->uxState = corINITIAL_STATE;
pxCoRoutine->uxPriority = uxPriority; pxCoRoutine->uxPriority = uxPriority;
pxCoRoutine->uxIndex = uxIndex; pxCoRoutine->uxIndex = uxIndex;
pxCoRoutine->pxCoRoutineFunction = pxCoRoutineCode; pxCoRoutine->pxCoRoutineFunction = pxCoRoutineCode;
/* Initialise all the other co-routine control block parameters. */ /* Initialise all the other co-routine control block parameters. */
@ -147,7 +148,7 @@
* list at the correct priority. */ * list at the correct priority. */
prvAddCoRoutineToReadyQueue( pxCoRoutine ); prvAddCoRoutineToReadyQueue( pxCoRoutine );
xReturn = pdPASS; xReturn = pdPASS;
} }
else else
{ {
@ -224,7 +225,7 @@
{ {
CRCB_t * pxCRCB; CRCB_t * pxCRCB;
xPassedTicks = xTaskGetTickCount() - xLastTickCount; xPassedTicks = xTaskGetTickCount() - xLastTickCount;
while( xPassedTicks ) while( xPassedTicks )
{ {
@ -238,8 +239,8 @@
/* Tick count has overflowed so we need to swap the delay lists. If there are /* Tick count has overflowed so we need to swap the delay lists. If there are
* any items in pxDelayedCoRoutineList here then there is an error! */ * any items in pxDelayedCoRoutineList here then there is an error! */
pxTemp = pxDelayedCoRoutineList; pxTemp = pxDelayedCoRoutineList;
pxDelayedCoRoutineList = pxOverflowDelayedCoRoutineList; pxDelayedCoRoutineList = pxOverflowDelayedCoRoutineList;
pxOverflowDelayedCoRoutineList = pxTemp; pxOverflowDelayedCoRoutineList = pxTemp;
} }
@ -329,14 +330,14 @@
/* Start with pxDelayedCoRoutineList using list1 and the /* Start with pxDelayedCoRoutineList using list1 and the
* pxOverflowDelayedCoRoutineList using list2. */ * pxOverflowDelayedCoRoutineList using list2. */
pxDelayedCoRoutineList = &xDelayedCoRoutineList1; pxDelayedCoRoutineList = &xDelayedCoRoutineList1;
pxOverflowDelayedCoRoutineList = &xDelayedCoRoutineList2; pxOverflowDelayedCoRoutineList = &xDelayedCoRoutineList2;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
BaseType_t xCoRoutineRemoveFromEventList( const List_t * pxEventList ) BaseType_t xCoRoutineRemoveFromEventList( const List_t * pxEventList )
{ {
CRCB_t * pxUnblockedCRCB; CRCB_t * pxUnblockedCRCB;
BaseType_t xReturn; BaseType_t xReturn;
/* This function is called from within an interrupt. It can only access /* This function is called from within an interrupt. It can only access

67
event_groups.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */
@ -194,10 +195,10 @@ EventBits_t xEventGroupSync( EventGroupHandle_t xEventGroup,
const EventBits_t uxBitsToWaitFor, const EventBits_t uxBitsToWaitFor,
TickType_t xTicksToWait ) TickType_t xTicksToWait )
{ {
EventBits_t uxOriginalBitValue, uxReturn; EventBits_t uxOriginalBitValue, uxReturn;
EventGroup_t * pxEventBits = xEventGroup; EventGroup_t * pxEventBits = xEventGroup;
BaseType_t xAlreadyYielded; BaseType_t xAlreadyYielded;
BaseType_t xTimeoutOccurred = pdFALSE; BaseType_t xTimeoutOccurred = pdFALSE;
configASSERT( ( uxBitsToWaitFor & eventEVENT_BITS_CONTROL_BYTES ) == 0 ); configASSERT( ( uxBitsToWaitFor & eventEVENT_BITS_CONTROL_BYTES ) == 0 );
configASSERT( uxBitsToWaitFor != 0 ); configASSERT( uxBitsToWaitFor != 0 );
@ -216,13 +217,13 @@ EventBits_t xEventGroupSync( EventGroupHandle_t xEventGroup,
if( ( ( uxOriginalBitValue | uxBitsToSet ) & uxBitsToWaitFor ) == uxBitsToWaitFor ) if( ( ( uxOriginalBitValue | uxBitsToSet ) & uxBitsToWaitFor ) == uxBitsToWaitFor )
{ {
/* All the rendezvous bits are now set - no need to block. */ /* All the rendezvous bits are now set - no need to block. */
uxReturn = ( uxOriginalBitValue | uxBitsToSet ); uxReturn = ( uxOriginalBitValue | uxBitsToSet );
/* Rendezvous always clear the bits. They will have been cleared /* Rendezvous always clear the bits. They will have been cleared
* already unless this is the only task in the rendezvous. */ * already unless this is the only task in the rendezvous. */
pxEventBits->uxEventBits &= ~uxBitsToWaitFor; pxEventBits->uxEventBits &= ~uxBitsToWaitFor;
xTicksToWait = 0; xTicksToWait = 0;
} }
else else
{ {
@ -245,7 +246,7 @@ EventBits_t xEventGroupSync( EventGroupHandle_t xEventGroup,
{ {
/* The rendezvous bits were not set, but no block time was /* The rendezvous bits were not set, but no block time was
* specified - just return the current event bit value. */ * specified - just return the current event bit value. */
uxReturn = pxEventBits->uxEventBits; uxReturn = pxEventBits->uxEventBits;
xTimeoutOccurred = pdTRUE; xTimeoutOccurred = pdTRUE;
} }
} }
@ -267,7 +268,7 @@ EventBits_t xEventGroupSync( EventGroupHandle_t xEventGroup,
* point either the required bits were set or the block time expired. If * point either the required bits were set or the block time expired. If
* the required bits were set they will have been stored in the task's * the required bits were set they will have been stored in the task's
* event list item, and they should now be retrieved then cleared. */ * event list item, and they should now be retrieved then cleared. */
uxReturn = uxTaskResetEventItemValue(); uxReturn = uxTaskResetEventItemValue();
if( ( uxReturn & eventUNBLOCKED_DUE_TO_BIT_SET ) == ( EventBits_t ) 0 ) if( ( uxReturn & eventUNBLOCKED_DUE_TO_BIT_SET ) == ( EventBits_t ) 0 )
{ {
@ -319,9 +320,9 @@ EventBits_t xEventGroupWaitBits( EventGroupHandle_t xEventGroup,
TickType_t xTicksToWait ) TickType_t xTicksToWait )
{ {
EventGroup_t * pxEventBits = xEventGroup; EventGroup_t * pxEventBits = xEventGroup;
EventBits_t uxReturn, uxControlBits = 0; EventBits_t uxReturn, uxControlBits = 0;
BaseType_t xWaitConditionMet, xAlreadyYielded; BaseType_t xWaitConditionMet, xAlreadyYielded;
BaseType_t xTimeoutOccurred = pdFALSE; BaseType_t xTimeoutOccurred = pdFALSE;
/* Check the user is not attempting to wait on the bits used by the kernel /* Check the user is not attempting to wait on the bits used by the kernel
* itself, and that at least one bit is being requested. */ * itself, and that at least one bit is being requested. */
@ -345,7 +346,7 @@ EventBits_t xEventGroupWaitBits( EventGroupHandle_t xEventGroup,
{ {
/* The wait condition has already been met so there is no need to /* The wait condition has already been met so there is no need to
* block. */ * block. */
uxReturn = uxCurrentEventBits; uxReturn = uxCurrentEventBits;
xTicksToWait = ( TickType_t ) 0; xTicksToWait = ( TickType_t ) 0;
/* Clear the wait bits if requested to do so. */ /* Clear the wait bits if requested to do so. */
@ -362,7 +363,7 @@ EventBits_t xEventGroupWaitBits( EventGroupHandle_t xEventGroup,
{ {
/* The wait condition has not been met, but no block time was /* The wait condition has not been met, but no block time was
* specified, so just return the current value. */ * specified, so just return the current value. */
uxReturn = uxCurrentEventBits; uxReturn = uxCurrentEventBits;
xTimeoutOccurred = pdTRUE; xTimeoutOccurred = pdTRUE;
} }
else else
@ -419,14 +420,14 @@ EventBits_t xEventGroupWaitBits( EventGroupHandle_t xEventGroup,
* point either the required bits were set or the block time expired. If * point either the required bits were set or the block time expired. If
* the required bits were set they will have been stored in the task's * the required bits were set they will have been stored in the task's
* event list item, and they should now be retrieved then cleared. */ * event list item, and they should now be retrieved then cleared. */
uxReturn = uxTaskResetEventItemValue(); uxReturn = uxTaskResetEventItemValue();
if( ( uxReturn & eventUNBLOCKED_DUE_TO_BIT_SET ) == ( EventBits_t ) 0 ) if( ( uxReturn & eventUNBLOCKED_DUE_TO_BIT_SET ) == ( EventBits_t ) 0 )
{ {
taskENTER_CRITICAL(); taskENTER_CRITICAL();
{ {
/* The task timed out, just return the current event bit value. */ /* The task timed out, just return the current event bit value. */
uxReturn = pxEventBits->uxEventBits; uxReturn = pxEventBits->uxEventBits;
/* It is possible that the event bits were updated between this /* It is possible that the event bits were updated between this
* task leaving the Blocked state and running again. */ * task leaving the Blocked state and running again. */
@ -472,7 +473,7 @@ EventBits_t xEventGroupClearBits( EventGroupHandle_t xEventGroup,
const EventBits_t uxBitsToClear ) const EventBits_t uxBitsToClear )
{ {
EventGroup_t * pxEventBits = xEventGroup; EventGroup_t * pxEventBits = xEventGroup;
EventBits_t uxReturn; EventBits_t uxReturn;
/* Check the user is not attempting to clear the bits used by the kernel /* Check the user is not attempting to clear the bits used by the kernel
* itself. */ * itself. */
@ -485,7 +486,7 @@ EventBits_t xEventGroupClearBits( EventGroupHandle_t xEventGroup,
/* The value returned is the event group value prior to the bits being /* The value returned is the event group value prior to the bits being
* cleared. */ * cleared. */
uxReturn = pxEventBits->uxEventBits; uxReturn = pxEventBits->uxEventBits;
/* Clear the bits. */ /* Clear the bits. */
pxEventBits->uxEventBits &= ~uxBitsToClear; pxEventBits->uxEventBits &= ~uxBitsToClear;
@ -514,9 +515,9 @@ EventBits_t xEventGroupClearBits( EventGroupHandle_t xEventGroup,
EventBits_t xEventGroupGetBitsFromISR( EventGroupHandle_t xEventGroup ) EventBits_t xEventGroupGetBitsFromISR( EventGroupHandle_t xEventGroup )
{ {
UBaseType_t uxSavedInterruptStatus; UBaseType_t uxSavedInterruptStatus;
EventGroup_t const * const pxEventBits = xEventGroup; EventGroup_t const * const pxEventBits = xEventGroup;
EventBits_t uxReturn; EventBits_t uxReturn;
uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR(); uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR();
{ {
@ -531,25 +532,25 @@ EventBits_t xEventGroupGetBitsFromISR( EventGroupHandle_t xEventGroup )
EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup, EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup,
const EventBits_t uxBitsToSet ) const EventBits_t uxBitsToSet )
{ {
ListItem_t * pxListItem, * pxNext; ListItem_t * pxListItem, * pxNext;
ListItem_t const * pxListEnd; ListItem_t const * pxListEnd;
List_t const * pxList; List_t const * pxList;
EventBits_t uxBitsToClear = 0, uxBitsWaitedFor, uxControlBits; EventBits_t uxBitsToClear = 0, uxBitsWaitedFor, uxControlBits;
EventGroup_t * pxEventBits = xEventGroup; EventGroup_t * pxEventBits = xEventGroup;
BaseType_t xMatchFound = pdFALSE; BaseType_t xMatchFound = pdFALSE;
/* Check the user is not attempting to set the bits used by the kernel /* Check the user is not attempting to set the bits used by the kernel
* itself. */ * itself. */
configASSERT( xEventGroup ); configASSERT( xEventGroup );
configASSERT( ( uxBitsToSet & eventEVENT_BITS_CONTROL_BYTES ) == 0 ); configASSERT( ( uxBitsToSet & eventEVENT_BITS_CONTROL_BYTES ) == 0 );
pxList = &( pxEventBits->xTasksWaitingForBits ); pxList = &( pxEventBits->xTasksWaitingForBits );
pxListEnd = listGET_END_MARKER( pxList ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */ pxListEnd = listGET_END_MARKER( pxList ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */
vTaskSuspendAll(); vTaskSuspendAll();
{ {
traceEVENT_GROUP_SET_BITS( xEventGroup, uxBitsToSet ); traceEVENT_GROUP_SET_BITS( xEventGroup, uxBitsToSet );
pxListItem = listGET_HEAD_ENTRY( pxList ); pxListItem = listGET_HEAD_ENTRY( pxList );
/* Set the bits. */ /* Set the bits. */
pxEventBits->uxEventBits |= uxBitsToSet; pxEventBits->uxEventBits |= uxBitsToSet;
@ -557,12 +558,12 @@ EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup,
/* See if the new bit value should unblock any tasks. */ /* See if the new bit value should unblock any tasks. */
while( pxListItem != pxListEnd ) while( pxListItem != pxListEnd )
{ {
pxNext = listGET_NEXT( pxListItem ); pxNext = listGET_NEXT( pxListItem );
uxBitsWaitedFor = listGET_LIST_ITEM_VALUE( pxListItem ); uxBitsWaitedFor = listGET_LIST_ITEM_VALUE( pxListItem );
xMatchFound = pdFALSE; xMatchFound = pdFALSE;
/* Split the bits waited for from the control bits. */ /* Split the bits waited for from the control bits. */
uxControlBits = uxBitsWaitedFor & eventEVENT_BITS_CONTROL_BYTES; uxControlBits = uxBitsWaitedFor & eventEVENT_BITS_CONTROL_BYTES;
uxBitsWaitedFor &= ~eventEVENT_BITS_CONTROL_BYTES; uxBitsWaitedFor &= ~eventEVENT_BITS_CONTROL_BYTES;
if( ( uxControlBits & eventWAIT_FOR_ALL_BITS ) == ( EventBits_t ) 0 ) if( ( uxControlBits & eventWAIT_FOR_ALL_BITS ) == ( EventBits_t ) 0 )
@ -610,7 +611,7 @@ EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup,
/* Move onto the next list item. Note pxListItem->pxNext is not /* Move onto the next list item. Note pxListItem->pxNext is not
* used here as the list item may have been removed from the event list * used here as the list item may have been removed from the event list
* and inserted into the ready/pending reading list. */ * and inserted into the ready/pending reading list. */
pxListItem = pxNext; pxListItem = pxNext;
} }
/* Clear any bits that matched when the eventCLEAR_EVENTS_ON_EXIT_BIT /* Clear any bits that matched when the eventCLEAR_EVENTS_ON_EXIT_BIT
@ -625,7 +626,7 @@ EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup,
void vEventGroupDelete( EventGroupHandle_t xEventGroup ) void vEventGroupDelete( EventGroupHandle_t xEventGroup )
{ {
EventGroup_t * pxEventBits = xEventGroup; EventGroup_t * pxEventBits = xEventGroup;
const List_t * pxTasksWaitingForBits = &( pxEventBits->xTasksWaitingForBits ); const List_t * pxTasksWaitingForBits = &( pxEventBits->xTasksWaitingForBits );
vTaskSuspendAll(); vTaskSuspendAll();
@ -741,7 +742,7 @@ static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits,
UBaseType_t uxEventGroupGetNumber( void * xEventGroup ) UBaseType_t uxEventGroupGetNumber( void * xEventGroup )
{ {
UBaseType_t xReturn; UBaseType_t xReturn;
EventGroup_t const * pxEventBits = ( EventGroup_t * ) xEventGroup; /*lint !e9087 !e9079 EventGroupHandle_t is a pointer to an EventGroup_t, but EventGroupHandle_t is kept opaque outside of this file for data hiding purposes. */ EventGroup_t const * pxEventBits = ( EventGroup_t * ) xEventGroup; /*lint !e9087 !e9079 EventGroupHandle_t is a pointer to an EventGroup_t, but EventGroupHandle_t is kept opaque outside of this file for data hiding purposes. */
if( xEventGroup == NULL ) if( xEventGroup == NULL )

1
include/FreeRTOS.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef INC_FREERTOS_H #ifndef INC_FREERTOS_H

7
include/StackMacros.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef STACK_MACROS_H #ifndef STACK_MACROS_H
@ -82,8 +83,8 @@
#define taskCHECK_FOR_STACK_OVERFLOW() \ #define taskCHECK_FOR_STACK_OVERFLOW() \
{ \ { \
const uint32_t * const pulStack = ( uint32_t * ) pxCurrentTCB->pxStack; \ const uint32_t * const pulStack = ( uint32_t * ) pxCurrentTCB->pxStack; \
const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5; \ const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5; \
\ \
if( ( pulStack[ 0 ] != ulCheckValue ) || \ if( ( pulStack[ 0 ] != ulCheckValue ) || \
( pulStack[ 1 ] != ulCheckValue ) || \ ( pulStack[ 1 ] != ulCheckValue ) || \
@ -101,7 +102,7 @@
#define taskCHECK_FOR_STACK_OVERFLOW() \ #define taskCHECK_FOR_STACK_OVERFLOW() \
{ \ { \
int8_t * pcEndOfStack = ( int8_t * ) pxCurrentTCB->pxEndOfStack; \ int8_t * pcEndOfStack = ( int8_t * ) pxCurrentTCB->pxEndOfStack; \
static const uint8_t ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ static const uint8_t ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \

23
include/atomic.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/** /**
@ -114,7 +115,7 @@
if( *pulDestination == ulComparand ) if( *pulDestination == ulComparand )
{ {
*pulDestination = ulExchange; *pulDestination = ulExchange;
ulReturnValue = ATOMIC_COMPARE_AND_SWAP_SUCCESS; ulReturnValue = ATOMIC_COMPARE_AND_SWAP_SUCCESS;
} }
else else
{ {
@ -146,7 +147,7 @@
ATOMIC_ENTER_CRITICAL(); ATOMIC_ENTER_CRITICAL();
{ {
pReturnValue = *ppvDestination; pReturnValue = *ppvDestination;
*ppvDestination = pvExchange; *ppvDestination = pvExchange;
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();
@ -182,7 +183,7 @@
if( *ppvDestination == pvComparand ) if( *ppvDestination == pvComparand )
{ {
*ppvDestination = pvExchange; *ppvDestination = pvExchange;
ulReturnValue = ATOMIC_COMPARE_AND_SWAP_SUCCESS; ulReturnValue = ATOMIC_COMPARE_AND_SWAP_SUCCESS;
} }
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();
@ -211,7 +212,7 @@
ATOMIC_ENTER_CRITICAL(); ATOMIC_ENTER_CRITICAL();
{ {
ulCurrent = *pulAddend; ulCurrent = *pulAddend;
*pulAddend += ulCount; *pulAddend += ulCount;
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();
@ -239,7 +240,7 @@
ATOMIC_ENTER_CRITICAL(); ATOMIC_ENTER_CRITICAL();
{ {
ulCurrent = *pulAddend; ulCurrent = *pulAddend;
*pulAddend -= ulCount; *pulAddend -= ulCount;
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();
@ -264,7 +265,7 @@
ATOMIC_ENTER_CRITICAL(); ATOMIC_ENTER_CRITICAL();
{ {
ulCurrent = *pulAddend; ulCurrent = *pulAddend;
*pulAddend += 1; *pulAddend += 1;
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();
@ -289,7 +290,7 @@
ATOMIC_ENTER_CRITICAL(); ATOMIC_ENTER_CRITICAL();
{ {
ulCurrent = *pulAddend; ulCurrent = *pulAddend;
*pulAddend -= 1; *pulAddend -= 1;
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();
@ -317,7 +318,7 @@
ATOMIC_ENTER_CRITICAL(); ATOMIC_ENTER_CRITICAL();
{ {
ulCurrent = *pulDestination; ulCurrent = *pulDestination;
*pulDestination |= ulValue; *pulDestination |= ulValue;
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();
@ -344,7 +345,7 @@
ATOMIC_ENTER_CRITICAL(); ATOMIC_ENTER_CRITICAL();
{ {
ulCurrent = *pulDestination; ulCurrent = *pulDestination;
*pulDestination &= ulValue; *pulDestination &= ulValue;
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();
@ -371,7 +372,7 @@
ATOMIC_ENTER_CRITICAL(); ATOMIC_ENTER_CRITICAL();
{ {
ulCurrent = *pulDestination; ulCurrent = *pulDestination;
*pulDestination = ~( ulCurrent & ulValue ); *pulDestination = ~( ulCurrent & ulValue );
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();
@ -398,7 +399,7 @@
ATOMIC_ENTER_CRITICAL(); ATOMIC_ENTER_CRITICAL();
{ {
ulCurrent = *pulDestination; ulCurrent = *pulDestination;
*pulDestination ^= ulValue; *pulDestination ^= ulValue;
} }
ATOMIC_EXIT_CRITICAL(); ATOMIC_EXIT_CRITICAL();

1
include/croutine.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef CO_ROUTINE_H #ifndef CO_ROUTINE_H

1
include/deprecated_definitions.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef DEPRECATED_DEFINITIONS_H #ifndef DEPRECATED_DEFINITIONS_H

1
include/event_groups.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef EVENT_GROUPS_H #ifndef EVENT_GROUPS_H

7
include/list.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*
@ -122,8 +123,8 @@
/* Define macros that set the new structure members to known values. */ /* Define macros that set the new structure members to known values. */
#define listSET_FIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem ) ( pxItem )->xListItemIntegrityValue1 = pdINTEGRITY_CHECK_VALUE #define listSET_FIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem ) ( pxItem )->xListItemIntegrityValue1 = pdINTEGRITY_CHECK_VALUE
#define listSET_SECOND_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem ) ( pxItem )->xListItemIntegrityValue2 = pdINTEGRITY_CHECK_VALUE #define listSET_SECOND_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem ) ( pxItem )->xListItemIntegrityValue2 = pdINTEGRITY_CHECK_VALUE
#define listSET_LIST_INTEGRITY_CHECK_1_VALUE( pxList ) ( pxList )->xListIntegrityValue1 = pdINTEGRITY_CHECK_VALUE #define listSET_LIST_INTEGRITY_CHECK_1_VALUE( pxList ) ( pxList )->xListIntegrityValue1 = pdINTEGRITY_CHECK_VALUE
#define listSET_LIST_INTEGRITY_CHECK_2_VALUE( pxList ) ( pxList )->xListIntegrityValue2 = pdINTEGRITY_CHECK_VALUE #define listSET_LIST_INTEGRITY_CHECK_2_VALUE( pxList ) ( pxList )->xListIntegrityValue2 = pdINTEGRITY_CHECK_VALUE
/* Define macros that will assert if one of the structure members does not /* Define macros that will assert if one of the structure members does not
* contain its expected value. */ * contain its expected value. */
@ -283,7 +284,7 @@
{ \ { \
( pxConstList )->pxIndex = ( pxConstList )->pxIndex->pxNext; \ ( pxConstList )->pxIndex = ( pxConstList )->pxIndex->pxNext; \
} \ } \
( pxTCB ) = ( pxConstList )->pxIndex->pvOwner; \ ( pxTCB ) = ( pxConstList )->pxIndex->pvOwner; \
} }

1
include/message_buffer.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */

1
include/mpu_prototypes.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*

1
include/mpu_wrappers.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef MPU_WRAPPERS_H #ifndef MPU_WRAPPERS_H

1
include/portable.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/*----------------------------------------------------------- /*-----------------------------------------------------------

1
include/projdefs.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PROJDEFS_H #ifndef PROJDEFS_H

1
include/queue.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */

1
include/semphr.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef SEMAPHORE_H #ifndef SEMAPHORE_H

7
include/stack_macros.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef STACK_MACROS_H #ifndef STACK_MACROS_H
@ -78,8 +79,8 @@
#define taskCHECK_FOR_STACK_OVERFLOW() \ #define taskCHECK_FOR_STACK_OVERFLOW() \
{ \ { \
const uint32_t * const pulStack = ( uint32_t * ) pxCurrentTCB->pxStack; \ const uint32_t * const pulStack = ( uint32_t * ) pxCurrentTCB->pxStack; \
const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5; \ const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5; \
\ \
if( ( pulStack[ 0 ] != ulCheckValue ) || \ if( ( pulStack[ 0 ] != ulCheckValue ) || \
( pulStack[ 1 ] != ulCheckValue ) || \ ( pulStack[ 1 ] != ulCheckValue ) || \
@ -97,7 +98,7 @@
#define taskCHECK_FOR_STACK_OVERFLOW() \ #define taskCHECK_FOR_STACK_OVERFLOW() \
{ \ { \
int8_t * pcEndOfStack = ( int8_t * ) pxCurrentTCB->pxEndOfStack; \ int8_t * pcEndOfStack = ( int8_t * ) pxCurrentTCB->pxEndOfStack; \
static const uint8_t ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ static const uint8_t ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \

1
include/stream_buffer.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*

1
include/task.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */

1
include/timers.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */

27
list.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -38,7 +39,7 @@ void vListInitialise( List_t * const pxList )
/* The list structure contains a list item which is used to mark the /* The list structure contains a list item which is used to mark the
* end of the list. To initialise the list the list end is inserted * end of the list. To initialise the list the list end is inserted
* as the only list entry. */ * as the only list entry. */
pxList->pxIndex = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */ pxList->pxIndex = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */
/* The list end value is the highest possible value in the list to /* The list end value is the highest possible value in the list to
* ensure it remains at the end of the list. */ * ensure it remains at the end of the list. */
@ -46,10 +47,10 @@ void vListInitialise( List_t * const pxList )
/* The list end next and previous pointers point to itself so we know /* The list end next and previous pointers point to itself so we know
* when the list is empty. */ * when the list is empty. */
pxList->xListEnd.pxNext = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */ pxList->xListEnd.pxNext = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */
pxList->xListEnd.pxPrevious = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */ pxList->xListEnd.pxPrevious = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */
pxList->uxNumberOfItems = ( UBaseType_t ) 0U; pxList->uxNumberOfItems = ( UBaseType_t ) 0U;
/* Write known values into the list if /* Write known values into the list if
* configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */ * configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */
@ -84,17 +85,17 @@ void vListInsertEnd( List_t * const pxList,
/* Insert a new list item into pxList, but rather than sort the list, /* Insert a new list item into pxList, but rather than sort the list,
* makes the new list item the last item to be removed by a call to * makes the new list item the last item to be removed by a call to
* listGET_OWNER_OF_NEXT_ENTRY(). */ * listGET_OWNER_OF_NEXT_ENTRY(). */
pxNewListItem->pxNext = pxIndex; pxNewListItem->pxNext = pxIndex;
pxNewListItem->pxPrevious = pxIndex->pxPrevious; pxNewListItem->pxPrevious = pxIndex->pxPrevious;
/* Only used during decision coverage testing. */ /* Only used during decision coverage testing. */
mtCOVERAGE_TEST_DELAY(); mtCOVERAGE_TEST_DELAY();
pxIndex->pxPrevious->pxNext = pxNewListItem; pxIndex->pxPrevious->pxNext = pxNewListItem;
pxIndex->pxPrevious = pxNewListItem; pxIndex->pxPrevious = pxNewListItem;
/* Remember which list the item is in. */ /* Remember which list the item is in. */
pxNewListItem->pxContainer = pxList; pxNewListItem->pxContainer = pxList;
( pxList->uxNumberOfItems )++; ( pxList->uxNumberOfItems )++;
} }
@ -103,7 +104,7 @@ void vListInsertEnd( List_t * const pxList,
void vListInsert( List_t * const pxList, void vListInsert( List_t * const pxList,
ListItem_t * const pxNewListItem ) ListItem_t * const pxNewListItem )
{ {
ListItem_t * pxIterator; ListItem_t * pxIterator;
const TickType_t xValueOfInsertion = pxNewListItem->xItemValue; const TickType_t xValueOfInsertion = pxNewListItem->xItemValue;
/* Only effective when configASSERT() is also defined, these tests may catch /* Only effective when configASSERT() is also defined, these tests may catch
@ -155,14 +156,14 @@ void vListInsert( List_t * const pxList,
} }
} }
pxNewListItem->pxNext = pxIterator->pxNext; pxNewListItem->pxNext = pxIterator->pxNext;
pxNewListItem->pxNext->pxPrevious = pxNewListItem; pxNewListItem->pxNext->pxPrevious = pxNewListItem;
pxNewListItem->pxPrevious = pxIterator; pxNewListItem->pxPrevious = pxIterator;
pxIterator->pxNext = pxNewListItem; pxIterator->pxNext = pxNewListItem;
/* Remember which list the item is in. This allows fast removal of the /* Remember which list the item is in. This allows fast removal of the
* item later. */ * item later. */
pxNewListItem->pxContainer = pxList; pxNewListItem->pxContainer = pxList;
( pxList->uxNumberOfItems )++; ( pxList->uxNumberOfItems )++;
} }
@ -190,7 +191,7 @@ UBaseType_t uxListRemove( ListItem_t * const pxItemToRemove )
mtCOVERAGE_TEST_MARKER(); mtCOVERAGE_TEST_MARKER();
} }
pxItemToRemove->pxContainer = NULL; pxItemToRemove->pxContainer = NULL;
( pxList->uxNumberOfItems )--; ( pxList->uxNumberOfItems )--;
return pxList->uxNumberOfItems; return pxList->uxNumberOfItems;

215
portable/ARMv8M/non_secure/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining /* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining
@ -349,7 +350,7 @@ portDONT_DISCARD void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) PRIV
* @brief Each task maintains its own interrupt status in the critical nesting * @brief Each task maintains its own interrupt status in the critical nesting
* variable. * variable.
*/ */
static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaUL; static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaUL;
#if ( configENABLE_TRUSTZONE == 1 ) #if ( configENABLE_TRUSTZONE == 1 )
@ -365,26 +366,26 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
/** /**
* @brief The number of SysTick increments that make up one tick period. * @brief The number of SysTick increments that make up one tick period.
*/ */
static uint32_t ulTimerCountsForOneTick = 0; static uint32_t ulTimerCountsForOneTick = 0;
/** /**
* @brief The maximum number of tick periods that can be suppressed is * @brief The maximum number of tick periods that can be suppressed is
* limited by the 24 bit resolution of the SysTick timer. * limited by the 24 bit resolution of the SysTick timer.
*/ */
static uint32_t xMaximumPossibleSuppressedTicks = 0; static uint32_t xMaximumPossibleSuppressedTicks = 0;
/** /**
* @brief Compensate for the CPU cycles that pass while the SysTick is * @brief Compensate for the CPU cycles that pass while the SysTick is
* stopped (low power functionality only). * stopped (low power functionality only).
*/ */
static uint32_t ulStoppedTimerCompensation = 0; static uint32_t ulStoppedTimerCompensation = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
__attribute__( ( weak ) ) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ) __attribute__( ( weak ) ) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
{ {
uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements; uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements;
TickType_t xModifiableIdleTime; TickType_t xModifiableIdleTime;
/* Make sure the SysTick reload value does not overflow the counter. */ /* Make sure the SysTick reload value does not overflow the counter. */
@ -402,7 +403,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
/* Calculate the reload value required to wait xExpectedIdleTime /* Calculate the reload value required to wait xExpectedIdleTime
* tick periods. -1 is used because this code will execute part way * tick periods. -1 is used because this code will execute part way
* through one of the tick periods. */ * through one of the tick periods. */
ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) ); ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) );
if( ulReloadValue > ulStoppedTimerCompensation ) if( ulReloadValue > ulStoppedTimerCompensation )
{ {
@ -421,14 +422,14 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
{ {
/* Restart from whatever is left in the count register to complete /* Restart from whatever is left in the count register to complete
* this tick period. */ * this tick period. */
portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG; portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Reset the reload register to the value required for normal tick /* Reset the reload register to the value required for normal tick
* periods. */ * periods. */
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Re-enable interrupts - see comments above the cpsid instruction() /* Re-enable interrupts - see comments above the cpsid instruction()
* above. */ * above. */
@ -437,14 +438,14 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
else else
{ {
/* Set the new reload value. */ /* Set the new reload value. */
portNVIC_SYSTICK_LOAD_REG = ulReloadValue; portNVIC_SYSTICK_LOAD_REG = ulReloadValue;
/* Clear the SysTick count flag and set the count value back to /* Clear the SysTick count flag and set the count value back to
* zero. */ * zero. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Sleep until something happens. configPRE_SLEEP_PROCESSING() can /* Sleep until something happens. configPRE_SLEEP_PROCESSING() can
* set its parameter to 0 to indicate that its implementation * set its parameter to 0 to indicate that its implementation
@ -452,7 +453,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
* instruction, and so wfi should not be executed again. However, * instruction, and so wfi should not be executed again. However,
* the original expected idle time variable must remain unmodified, * the original expected idle time variable must remain unmodified,
* so a copy is taken. */ * so a copy is taken. */
xModifiableIdleTime = xExpectedIdleTime; xModifiableIdleTime = xExpectedIdleTime;
configPRE_SLEEP_PROCESSING( xModifiableIdleTime ); configPRE_SLEEP_PROCESSING( xModifiableIdleTime );
if( xModifiableIdleTime > 0 ) if( xModifiableIdleTime > 0 )
@ -486,7 +487,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
* best it can be, but using the tickless mode will inevitably * best it can be, but using the tickless mode will inevitably
* result in some tiny drift of the time maintained by the kernel * result in some tiny drift of the time maintained by the kernel
* with respect to calendar time*/ * with respect to calendar time*/
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT ); portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT );
/* Determine if the SysTick clock has already counted to zero and /* Determine if the SysTick clock has already counted to zero and
* been set back to the current reload value (the reload back being * been set back to the current reload value (the reload back being
@ -501,7 +502,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
* reloaded with ulReloadValue. Reset the * reloaded with ulReloadValue. Reset the
* portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick * portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick
* period. */ * period. */
ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG ); ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG );
/* Don't allow a tiny value, or values that have somehow /* Don't allow a tiny value, or values that have somehow
* underflowed because the post sleep hook did something * underflowed because the post sleep hook did something
@ -516,7 +517,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
/* As the pending tick will be processed as soon as this /* As the pending tick will be processed as soon as this
* function exits, the tick value maintained by the tick is * function exits, the tick value maintained by the tick is
* stepped forward by one less than the time spent waiting. */ * stepped forward by one less than the time spent waiting. */
ulCompleteTickPeriods = xExpectedIdleTime - 1UL; ulCompleteTickPeriods = xExpectedIdleTime - 1UL;
} }
else else
{ {
@ -528,20 +529,20 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
/* How many complete tick periods passed while the processor /* How many complete tick periods passed while the processor
* was waiting? */ * was waiting? */
ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick; ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick;
/* The reload value is set to whatever fraction of a single tick /* The reload value is set to whatever fraction of a single tick
* period remains. */ * period remains. */
portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements; portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements;
} }
/* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG /* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG
* again, then set portNVIC_SYSTICK_LOAD_REG back to its standard * again, then set portNVIC_SYSTICK_LOAD_REG back to its standard
* value. */ * value. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
vTaskStepTick( ulCompleteTickPeriods ); vTaskStepTick( ulCompleteTickPeriods );
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Exit with interrupts enabled. */ /* Exit with interrupts enabled. */
__asm volatile ( "cpsie i" ::: "memory" ); __asm volatile ( "cpsie i" ::: "memory" );
@ -555,19 +556,19 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void ) /* PRIVILEGED_FU
/* Calculate the constants required to configure the tick interrupt. */ /* Calculate the constants required to configure the tick interrupt. */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
{ {
ulTimerCountsForOneTick = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ); ulTimerCountsForOneTick = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ );
xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick; xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick;
ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ ); ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ );
} }
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* Stop and reset the SysTick. */ /* Stop and reset the SysTick. */
portNVIC_SYSTICK_CTRL_REG = 0UL; portNVIC_SYSTICK_CTRL_REG = 0UL;
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Configure SysTick to interrupt at the requested rate. */ /* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; portNVIC_SYSTICK_LOAD_REG = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG = portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -611,72 +612,72 @@ static void prvTaskExitError( void )
extern uint32_t * __unprivileged_flash_end__; extern uint32_t * __unprivileged_flash_end__;
extern uint32_t * __privileged_sram_start__; extern uint32_t * __privileged_sram_start__;
extern uint32_t * __privileged_sram_end__; extern uint32_t * __privileged_sram_end__;
#else /* if defined( __ARMCC_VERSION ) */ #else /* if defined( __ARMCC_VERSION ) */
/* Declaration when these variable are exported from linker scripts. */ /* Declaration when these variable are exported from linker scripts. */
extern uint32_t __privileged_functions_start__[]; extern uint32_t __privileged_functions_start__[];
extern uint32_t __privileged_functions_end__[]; extern uint32_t __privileged_functions_end__[];
extern uint32_t __syscalls_flash_start__[]; extern uint32_t __syscalls_flash_start__[];
extern uint32_t __syscalls_flash_end__[]; extern uint32_t __syscalls_flash_end__[];
extern uint32_t __unprivileged_flash_start__[]; extern uint32_t __unprivileged_flash_start__[];
extern uint32_t __unprivileged_flash_end__[]; extern uint32_t __unprivileged_flash_end__[];
extern uint32_t __privileged_sram_start__[]; extern uint32_t __privileged_sram_start__[];
extern uint32_t __privileged_sram_end__[]; extern uint32_t __privileged_sram_end__[];
#endif /* defined( __ARMCC_VERSION ) */ #endif /* defined( __ARMCC_VERSION ) */
/* Check that the MPU is present. */ /* Check that the MPU is present. */
if( portMPU_TYPE_REG == portEXPECTED_MPU_TYPE_VALUE ) if( portMPU_TYPE_REG == portEXPECTED_MPU_TYPE_VALUE )
{ {
/* MAIR0 - Index 0. */ /* MAIR0 - Index 0. */
portMPU_MAIR0_REG |= ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); portMPU_MAIR0_REG |= ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK );
/* MAIR0 - Index 1. */ /* MAIR0 - Index 1. */
portMPU_MAIR0_REG |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); portMPU_MAIR0_REG |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK );
/* Setup privileged flash as Read Only so that privileged tasks can /* Setup privileged flash as Read Only so that privileged tasks can
* read it but not modify. */ * read it but not modify. */
portMPU_RNR_REG = portPRIVILEGED_FLASH_REGION; portMPU_RNR_REG = portPRIVILEGED_FLASH_REGION;
portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_functions_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_functions_start__ ) & portMPU_RBAR_ADDRESS_MASK ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
( portMPU_REGION_PRIVILEGED_READ_ONLY ); ( portMPU_REGION_PRIVILEGED_READ_ONLY );
portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_functions_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_functions_end__ ) & portMPU_RLAR_ADDRESS_MASK ) |
( portMPU_RLAR_ATTR_INDEX0 ) | ( portMPU_RLAR_ATTR_INDEX0 ) |
( portMPU_RLAR_REGION_ENABLE ); ( portMPU_RLAR_REGION_ENABLE );
/* Setup unprivileged flash as Read Only by both privileged and /* Setup unprivileged flash as Read Only by both privileged and
* unprivileged tasks. All tasks can read it but no-one can modify. */ * unprivileged tasks. All tasks can read it but no-one can modify. */
portMPU_RNR_REG = portUNPRIVILEGED_FLASH_REGION; portMPU_RNR_REG = portUNPRIVILEGED_FLASH_REGION;
portMPU_RBAR_REG = ( ( ( uint32_t ) __unprivileged_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | portMPU_RBAR_REG = ( ( ( uint32_t ) __unprivileged_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
( portMPU_REGION_READ_ONLY ); ( portMPU_REGION_READ_ONLY );
portMPU_RLAR_REG = ( ( ( uint32_t ) __unprivileged_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | portMPU_RLAR_REG = ( ( ( uint32_t ) __unprivileged_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) |
( portMPU_RLAR_ATTR_INDEX0 ) | ( portMPU_RLAR_ATTR_INDEX0 ) |
( portMPU_RLAR_REGION_ENABLE ); ( portMPU_RLAR_REGION_ENABLE );
/* Setup unprivileged syscalls flash as Read Only by both privileged /* Setup unprivileged syscalls flash as Read Only by both privileged
* and unprivileged tasks. All tasks can read it but no-one can modify. */ * and unprivileged tasks. All tasks can read it but no-one can modify. */
portMPU_RNR_REG = portUNPRIVILEGED_SYSCALLS_REGION; portMPU_RNR_REG = portUNPRIVILEGED_SYSCALLS_REGION;
portMPU_RBAR_REG = ( ( ( uint32_t ) __syscalls_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | portMPU_RBAR_REG = ( ( ( uint32_t ) __syscalls_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
( portMPU_REGION_READ_ONLY ); ( portMPU_REGION_READ_ONLY );
portMPU_RLAR_REG = ( ( ( uint32_t ) __syscalls_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | portMPU_RLAR_REG = ( ( ( uint32_t ) __syscalls_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) |
( portMPU_RLAR_ATTR_INDEX0 ) | ( portMPU_RLAR_ATTR_INDEX0 ) |
( portMPU_RLAR_REGION_ENABLE ); ( portMPU_RLAR_REGION_ENABLE );
/* Setup RAM containing kernel data for privileged access only. */ /* Setup RAM containing kernel data for privileged access only. */
portMPU_RNR_REG = portPRIVILEGED_RAM_REGION; portMPU_RNR_REG = portPRIVILEGED_RAM_REGION;
portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_sram_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_sram_start__ ) & portMPU_RBAR_ADDRESS_MASK ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
( portMPU_REGION_PRIVILEGED_READ_WRITE ) | ( portMPU_REGION_PRIVILEGED_READ_WRITE ) |
( portMPU_REGION_EXECUTE_NEVER ); ( portMPU_REGION_EXECUTE_NEVER );
portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_sram_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_sram_end__ ) & portMPU_RLAR_ADDRESS_MASK ) |
( portMPU_RLAR_ATTR_INDEX0 ) | ( portMPU_RLAR_ATTR_INDEX0 ) |
( portMPU_RLAR_REGION_ENABLE ); ( portMPU_RLAR_REGION_ENABLE );
/* Enable mem fault. */ /* Enable mem fault. */
portSCB_SYS_HANDLER_CTRL_STATE_REG |= portSCB_MEM_FAULT_ENABLE_BIT; portSCB_SYS_HANDLER_CTRL_STATE_REG |= portSCB_MEM_FAULT_ENABLE_BIT;
/* Enable MPU with privileged background access i.e. unmapped /* Enable MPU with privileged background access i.e. unmapped
* regions have privileged access. */ * regions have privileged access. */
portMPU_CTRL_REG |= ( portMPU_PRIV_BACKGROUND_ENABLE_BIT | portMPU_ENABLE_BIT ); portMPU_CTRL_REG |= ( portMPU_PRIV_BACKGROUND_ENABLE_BIT | portMPU_ENABLE_BIT );
} }
} }
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
@ -771,24 +772,24 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
extern uint32_t * __syscalls_flash_end__; extern uint32_t * __syscalls_flash_end__;
#else #else
/* Declaration when these variable are exported from linker scripts. */ /* Declaration when these variable are exported from linker scripts. */
extern uint32_t __syscalls_flash_start__[]; extern uint32_t __syscalls_flash_start__[];
extern uint32_t __syscalls_flash_end__[]; extern uint32_t __syscalls_flash_end__[];
#endif /* defined( __ARMCC_VERSION ) */ #endif /* defined( __ARMCC_VERSION ) */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
uint32_t ulPC; uint32_t ulPC;
#if ( configENABLE_TRUSTZONE == 1 ) #if ( configENABLE_TRUSTZONE == 1 )
uint32_t ulR0; uint32_t ulR0;
#if ( configENABLE_MPU == 1 ) #if ( configENABLE_MPU == 1 )
uint32_t ulControl, ulIsTaskPrivileged; uint32_t ulControl, ulIsTaskPrivileged;
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
#endif /* configENABLE_TRUSTZONE */ #endif /* configENABLE_TRUSTZONE */
uint8_t ucSVCNumber; uint8_t ucSVCNumber;
/* Register are stored on the stack in the following order - R0, R1, R2, R3, /* Register are stored on the stack in the following order - R0, R1, R2, R3,
* R12, LR, PC, xPSR. */ * R12, LR, PC, xPSR. */
ulPC = pulCallerStackAddress[ 6 ]; ulPC = pulCallerStackAddress[ 6 ];
ucSVCNumber = ( ( uint8_t * ) ulPC )[ -2 ]; ucSVCNumber = ( ( uint8_t * ) ulPC )[ -2 ];
switch( ucSVCNumber ) switch( ucSVCNumber )
@ -801,22 +802,22 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
ulR0 = pulCallerStackAddress[ 0 ]; ulR0 = pulCallerStackAddress[ 0 ];
#if ( configENABLE_MPU == 1 ) #if ( configENABLE_MPU == 1 )
{ {
/* Read the CONTROL register value. */ /* Read the CONTROL register value. */
__asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) );
/* The task that raised the SVC is privileged if Bit[0] /* The task that raised the SVC is privileged if Bit[0]
* in the CONTROL register is 0. */ * in the CONTROL register is 0. */
ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 );
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged );
} }
#else /* if ( configENABLE_MPU == 1 ) */ #else /* if ( configENABLE_MPU == 1 ) */
{ {
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0 ); xSecureContext = SecureContext_AllocateContext( ulR0 );
} }
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
configASSERT( xSecureContext != NULL ); configASSERT( xSecureContext != NULL );
@ -834,21 +835,21 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
case portSVC_START_SCHEDULER: case portSVC_START_SCHEDULER:
#if ( configENABLE_TRUSTZONE == 1 ) #if ( configENABLE_TRUSTZONE == 1 )
{ {
/* De-prioritize the non-secure exceptions so that the /* De-prioritize the non-secure exceptions so that the
* non-secure pendSV runs at the lowest priority. */ * non-secure pendSV runs at the lowest priority. */
SecureInit_DePrioritizeNSExceptions(); SecureInit_DePrioritizeNSExceptions();
/* Initialize the secure context management system. */ /* Initialize the secure context management system. */
SecureContext_Init(); SecureContext_Init();
} }
#endif /* configENABLE_TRUSTZONE */ #endif /* configENABLE_TRUSTZONE */
#if ( configENABLE_FPU == 1 ) #if ( configENABLE_FPU == 1 )
{ {
/* Setup the Floating Point Unit (FPU). */ /* Setup the Floating Point Unit (FPU). */
prvSetupFPU(); prvSetupFPU();
} }
#endif /* configENABLE_FPU */ #endif /* configENABLE_FPU */
/* Setup the context of the first task so that the first task starts /* Setup the context of the first task so that the first task starts
@ -881,12 +882,12 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters, void * pvParameters,
BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */
#else #else
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters ) /* PRIVILEGED_FUNCTION */ void * pvParameters ) /* PRIVILEGED_FUNCTION */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
/* Simulate the stack frame as it would be created by a context switch /* Simulate the stack frame as it would be created by a context switch
@ -1015,7 +1016,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
vPortSetupTimerInterrupt(); vPortSetupTimerInterrupt();
/* Initialize the critical nesting count ready for the first task. */ /* Initialize the critical nesting count ready for the first task. */
ulCriticalNesting = 0; ulCriticalNesting = 0;
/* Start the first task. */ /* Start the first task. */
vStartFirstTask(); vStartFirstTask();
@ -1049,10 +1050,10 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
uint32_t ulStackDepth ) uint32_t ulStackDepth )
{ {
uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber;
int32_t lIndex = 0; int32_t lIndex = 0;
/* Setup MAIR0. */ /* Setup MAIR0. */
xMPUSettings->ulMAIR0 = ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); xMPUSettings->ulMAIR0 = ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK );
xMPUSettings->ulMAIR0 |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); xMPUSettings->ulMAIR0 |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK );
/* This function is called automatically when the task is created - in /* This function is called automatically when the task is created - in
@ -1062,9 +1063,9 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
if( ulStackDepth > 0 ) if( ulStackDepth > 0 )
{ {
/* Define the region that allows access to the stack. */ /* Define the region that allows access to the stack. */
ulRegionStartAddress = ( ( uint32_t ) pxBottomOfStack ) & portMPU_RBAR_ADDRESS_MASK; ulRegionStartAddress = ( ( uint32_t ) pxBottomOfStack ) & portMPU_RBAR_ADDRESS_MASK;
ulRegionEndAddress = ( uint32_t ) pxBottomOfStack + ( ulStackDepth * ( uint32_t ) sizeof( StackType_t ) ) - 1; ulRegionEndAddress = ( uint32_t ) pxBottomOfStack + ( ulStackDepth * ( uint32_t ) sizeof( StackType_t ) ) - 1;
ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK;
xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
@ -1087,9 +1088,9 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
/* Translate the generic region definition contained in xRegions /* Translate the generic region definition contained in xRegions
* into the ARMv8 specific MPU settings that are then stored in * into the ARMv8 specific MPU settings that are then stored in
* xMPUSettings. */ * xMPUSettings. */
ulRegionStartAddress = ( ( uint32_t ) xRegions[ lIndex ].pvBaseAddress ) & portMPU_RBAR_ADDRESS_MASK; ulRegionStartAddress = ( ( uint32_t ) xRegions[ lIndex ].pvBaseAddress ) & portMPU_RBAR_ADDRESS_MASK;
ulRegionEndAddress = ( uint32_t ) xRegions[ lIndex ].pvBaseAddress + xRegions[ lIndex ].ulLengthInBytes - 1; ulRegionEndAddress = ( uint32_t ) xRegions[ lIndex ].pvBaseAddress + xRegions[ lIndex ].ulLengthInBytes - 1;
ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK;
/* Start address. */ /* Start address. */
xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = ( ulRegionStartAddress ) | xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = ( ulRegionStartAddress ) |
@ -1142,7 +1143,7 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
BaseType_t xPortIsInsideInterrupt( void ) BaseType_t xPortIsInsideInterrupt( void )
{ {
uint32_t ulCurrentInterrupt; uint32_t ulCurrentInterrupt;
BaseType_t xReturn; BaseType_t xReturn;
/* Obtain the number of the currently executing interrupt. Interrupt Program /* Obtain the number of the currently executing interrupt. Interrupt Program

1
portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portasm.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */

1
portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

1
portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portasm.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */

1
portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

1
portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */

1
portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

1
portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */

1
portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

1
portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

1
portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

1
portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

1
portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

1
portable/ARMv8M/non_secure/portasm.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __PORT_ASM_H__ #ifndef __PORT_ASM_H__

1
portable/ARMv8M/secure/context/portable/GCC/ARM_CM23/secure_context_port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Secure context includes. */ /* Secure context includes. */

1
portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Secure context includes. */ /* Secure context includes. */

1
portable/ARMv8M/secure/context/portable/IAR/ARM_CM23/secure_context_port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Secure context includes. */ /* Secure context includes. */

1
portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Secure context includes. */ /* Secure context includes. */

11
portable/ARMv8M/secure/context/secure_context.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Secure context includes. */ /* Secure context includes. */
@ -101,12 +102,12 @@ secureportNON_SECURE_CALLABLE void SecureContext_Init( void )
secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize ) secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize )
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
uint8_t * pucStackMemory = NULL; uint8_t * pucStackMemory = NULL;
uint32_t ulIPSR; uint32_t ulIPSR;
SecureContextHandle_t xSecureContextHandle = NULL; SecureContextHandle_t xSecureContextHandle = NULL;
#if ( configENABLE_MPU == 1 ) #if ( configENABLE_MPU == 1 )
uint32_t * pulCurrentStackPointer = NULL; uint32_t * pulCurrentStackPointer = NULL;
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
/* Read the Interrupt Program Status Register (IPSR) value. */ /* Read the Interrupt Program Status Register (IPSR) value. */
@ -143,7 +144,7 @@ secureportNON_SECURE_CALLABLE void SecureContext_Init( void )
/* Store the correct CONTROL value for the task on the stack. /* Store the correct CONTROL value for the task on the stack.
* This value is programmed in the CONTROL register on * This value is programmed in the CONTROL register on
* context switch. */ * context switch. */
pulCurrentStackPointer = ( uint32_t * ) xSecureContextHandle->pucStackStart; pulCurrentStackPointer = ( uint32_t * ) xSecureContextHandle->pucStackStart;
pulCurrentStackPointer--; pulCurrentStackPointer--;
if( ulIsTaskPrivileged ) if( ulIsTaskPrivileged )

1
portable/ARMv8M/secure/context/secure_context.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __SECURE_CONTEXT_H__ #ifndef __SECURE_CONTEXT_H__

73
portable/ARMv8M/secure/heap/secure_heap.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */
@ -115,7 +116,7 @@ static BlockLink_t xStart, * pxEnd = NULL;
* @brief Keeps track of the number of free bytes remaining, but says nothing * @brief Keeps track of the number of free bytes remaining, but says nothing
* about fragmentation. * about fragmentation.
*/ */
static size_t xFreeBytesRemaining = 0U; static size_t xFreeBytesRemaining = 0U;
static size_t xMinimumEverFreeBytesRemaining = 0U; static size_t xMinimumEverFreeBytesRemaining = 0U;
/** /**
@ -125,61 +126,61 @@ static size_t xMinimumEverFreeBytesRemaining = 0U;
* then the block belongs to the application. When the bit is free the block is * then the block belongs to the application. When the bit is free the block is
* still part of the free heap space. * still part of the free heap space.
*/ */
static size_t xBlockAllocatedBit = 0; static size_t xBlockAllocatedBit = 0;
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static void prvHeapInit( void ) static void prvHeapInit( void )
{ {
BlockLink_t * pxFirstFreeBlock; BlockLink_t * pxFirstFreeBlock;
uint8_t * pucAlignedHeap; uint8_t * pucAlignedHeap;
size_t uxAddress; size_t uxAddress;
size_t xTotalHeapSize = secureconfigTOTAL_HEAP_SIZE; size_t xTotalHeapSize = secureconfigTOTAL_HEAP_SIZE;
/* Ensure the heap starts on a correctly aligned boundary. */ /* Ensure the heap starts on a correctly aligned boundary. */
uxAddress = ( size_t ) ucHeap; uxAddress = ( size_t ) ucHeap;
if( ( uxAddress & secureportBYTE_ALIGNMENT_MASK ) != 0 ) if( ( uxAddress & secureportBYTE_ALIGNMENT_MASK ) != 0 )
{ {
uxAddress += ( secureportBYTE_ALIGNMENT - 1 ); uxAddress += ( secureportBYTE_ALIGNMENT - 1 );
uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK );
xTotalHeapSize -= uxAddress - ( size_t ) ucHeap; xTotalHeapSize -= uxAddress - ( size_t ) ucHeap;
} }
pucAlignedHeap = ( uint8_t * ) uxAddress; pucAlignedHeap = ( uint8_t * ) uxAddress;
/* xStart is used to hold a pointer to the first item in the list of free /* xStart is used to hold a pointer to the first item in the list of free
* blocks. The void cast is used to prevent compiler warnings. */ * blocks. The void cast is used to prevent compiler warnings. */
xStart.pxNextFreeBlock = ( void * ) pucAlignedHeap; xStart.pxNextFreeBlock = ( void * ) pucAlignedHeap;
xStart.xBlockSize = ( size_t ) 0; xStart.xBlockSize = ( size_t ) 0;
/* pxEnd is used to mark the end of the list of free blocks and is inserted /* pxEnd is used to mark the end of the list of free blocks and is inserted
* at the end of the heap space. */ * at the end of the heap space. */
uxAddress = ( ( size_t ) pucAlignedHeap ) + xTotalHeapSize; uxAddress = ( ( size_t ) pucAlignedHeap ) + xTotalHeapSize;
uxAddress -= xHeapStructSize; uxAddress -= xHeapStructSize;
uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK );
pxEnd = ( void * ) uxAddress; pxEnd = ( void * ) uxAddress;
pxEnd->xBlockSize = 0; pxEnd->xBlockSize = 0;
pxEnd->pxNextFreeBlock = NULL; pxEnd->pxNextFreeBlock = NULL;
/* To start with there is a single free block that is sized to take up the /* To start with there is a single free block that is sized to take up the
* entire heap space, minus the space taken by pxEnd. */ * entire heap space, minus the space taken by pxEnd. */
pxFirstFreeBlock = ( void * ) pucAlignedHeap; pxFirstFreeBlock = ( void * ) pucAlignedHeap;
pxFirstFreeBlock->xBlockSize = uxAddress - ( size_t ) pxFirstFreeBlock; pxFirstFreeBlock->xBlockSize = uxAddress - ( size_t ) pxFirstFreeBlock;
pxFirstFreeBlock->pxNextFreeBlock = pxEnd; pxFirstFreeBlock->pxNextFreeBlock = pxEnd;
/* Only one block exists - and it covers the entire usable heap space. */ /* Only one block exists - and it covers the entire usable heap space. */
xMinimumEverFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; xMinimumEverFreeBytesRemaining = pxFirstFreeBlock->xBlockSize;
xFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; xFreeBytesRemaining = pxFirstFreeBlock->xBlockSize;
/* Work out the position of the top bit in a size_t variable. */ /* Work out the position of the top bit in a size_t variable. */
xBlockAllocatedBit = ( ( size_t ) 1 ) << ( ( sizeof( size_t ) * secureheapBITS_PER_BYTE ) - 1 ); xBlockAllocatedBit = ( ( size_t ) 1 ) << ( ( sizeof( size_t ) * secureheapBITS_PER_BYTE ) - 1 );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert ) static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
{ {
BlockLink_t * pxIterator; BlockLink_t * pxIterator;
uint8_t * puc; uint8_t * puc;
/* Iterate through the list until a block is found that has a higher address /* Iterate through the list until a block is found that has a higher address
* than the block being inserted. */ * than the block being inserted. */
@ -195,7 +196,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
if( ( puc + pxIterator->xBlockSize ) == ( uint8_t * ) pxBlockToInsert ) if( ( puc + pxIterator->xBlockSize ) == ( uint8_t * ) pxBlockToInsert )
{ {
pxIterator->xBlockSize += pxBlockToInsert->xBlockSize; pxIterator->xBlockSize += pxBlockToInsert->xBlockSize;
pxBlockToInsert = pxIterator; pxBlockToInsert = pxIterator;
} }
else else
{ {
@ -211,7 +212,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
if( pxIterator->pxNextFreeBlock != pxEnd ) if( pxIterator->pxNextFreeBlock != pxEnd )
{ {
/* Form one big block from the two blocks. */ /* Form one big block from the two blocks. */
pxBlockToInsert->xBlockSize += pxIterator->pxNextFreeBlock->xBlockSize; pxBlockToInsert->xBlockSize += pxIterator->pxNextFreeBlock->xBlockSize;
pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock->pxNextFreeBlock; pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock->pxNextFreeBlock;
} }
else else
@ -242,7 +243,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
void * pvPortMalloc( size_t xWantedSize ) void * pvPortMalloc( size_t xWantedSize )
{ {
BlockLink_t * pxBlock, * pxPreviousBlock, * pxNewBlockLink; BlockLink_t * pxBlock, * pxPreviousBlock, * pxNewBlockLink;
void * pvReturn = NULL; void * pvReturn = NULL;
/* If this is the first call to malloc then the heap will require /* If this is the first call to malloc then the heap will require
* initialisation to setup the list of free blocks. */ * initialisation to setup the list of free blocks. */
@ -290,12 +291,12 @@ void * pvPortMalloc( size_t xWantedSize )
/* Traverse the list from the start (lowest address) block until /* Traverse the list from the start (lowest address) block until
* one of adequate size is found. */ * one of adequate size is found. */
pxPreviousBlock = &xStart; pxPreviousBlock = &xStart;
pxBlock = xStart.pxNextFreeBlock; pxBlock = xStart.pxNextFreeBlock;
while( ( pxBlock->xBlockSize < xWantedSize ) && ( pxBlock->pxNextFreeBlock != NULL ) ) while( ( pxBlock->xBlockSize < xWantedSize ) && ( pxBlock->pxNextFreeBlock != NULL ) )
{ {
pxPreviousBlock = pxBlock; pxPreviousBlock = pxBlock;
pxBlock = pxBlock->pxNextFreeBlock; pxBlock = pxBlock->pxNextFreeBlock;
} }
/* If the end marker was reached then a block of adequate size was /* If the end marker was reached then a block of adequate size was
@ -304,7 +305,7 @@ void * pvPortMalloc( size_t xWantedSize )
{ {
/* Return the memory space pointed to - jumping over the /* Return the memory space pointed to - jumping over the
* BlockLink_t structure at its start. */ * BlockLink_t structure at its start. */
pvReturn = ( void * ) ( ( ( uint8_t * ) pxPreviousBlock->pxNextFreeBlock ) + xHeapStructSize ); pvReturn = ( void * ) ( ( ( uint8_t * ) pxPreviousBlock->pxNextFreeBlock ) + xHeapStructSize );
/* This block is being returned for use so must be taken out /* This block is being returned for use so must be taken out
* of the list of free blocks. */ * of the list of free blocks. */
@ -318,13 +319,13 @@ void * pvPortMalloc( size_t xWantedSize )
* block following the number of bytes requested. The void * block following the number of bytes requested. The void
* cast is used to prevent byte alignment warnings from the * cast is used to prevent byte alignment warnings from the
* compiler. */ * compiler. */
pxNewBlockLink = ( void * ) ( ( ( uint8_t * ) pxBlock ) + xWantedSize ); pxNewBlockLink = ( void * ) ( ( ( uint8_t * ) pxBlock ) + xWantedSize );
secureportASSERT( ( ( ( size_t ) pxNewBlockLink ) & secureportBYTE_ALIGNMENT_MASK ) == 0 ); secureportASSERT( ( ( ( size_t ) pxNewBlockLink ) & secureportBYTE_ALIGNMENT_MASK ) == 0 );
/* Calculate the sizes of two blocks split from the single /* Calculate the sizes of two blocks split from the single
* block. */ * block. */
pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize; pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize;
pxBlock->xBlockSize = xWantedSize; pxBlock->xBlockSize = xWantedSize;
/* Insert the new block into the list of free blocks. */ /* Insert the new block into the list of free blocks. */
prvInsertBlockIntoFreeList( pxNewBlockLink ); prvInsertBlockIntoFreeList( pxNewBlockLink );
@ -334,7 +335,7 @@ void * pvPortMalloc( size_t xWantedSize )
mtCOVERAGE_TEST_MARKER(); mtCOVERAGE_TEST_MARKER();
} }
xFreeBytesRemaining -= pxBlock->xBlockSize; xFreeBytesRemaining -= pxBlock->xBlockSize;
if( xFreeBytesRemaining < xMinimumEverFreeBytesRemaining ) if( xFreeBytesRemaining < xMinimumEverFreeBytesRemaining )
{ {
@ -347,8 +348,8 @@ void * pvPortMalloc( size_t xWantedSize )
/* The block is being returned - it is allocated and owned by /* The block is being returned - it is allocated and owned by
* the application and has no "next" block. */ * the application and has no "next" block. */
pxBlock->xBlockSize |= xBlockAllocatedBit; pxBlock->xBlockSize |= xBlockAllocatedBit;
pxBlock->pxNextFreeBlock = NULL; pxBlock->pxNextFreeBlock = NULL;
} }
else else
{ {
@ -388,14 +389,14 @@ void * pvPortMalloc( size_t xWantedSize )
void vPortFree( void * pv ) void vPortFree( void * pv )
{ {
uint8_t * puc = ( uint8_t * ) pv; uint8_t * puc = ( uint8_t * ) pv;
BlockLink_t * pxLink; BlockLink_t * pxLink;
if( pv != NULL ) if( pv != NULL )
{ {
/* The memory being freed will have an BlockLink_t structure immediately /* The memory being freed will have an BlockLink_t structure immediately
* before it. */ * before it. */
puc -= xHeapStructSize; puc -= xHeapStructSize;
/* This casting is to keep the compiler from issuing warnings. */ /* This casting is to keep the compiler from issuing warnings. */
pxLink = ( void * ) puc; pxLink = ( void * ) puc;

1
portable/ARMv8M/secure/heap/secure_heap.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __SECURE_HEAP_H__ #ifndef __SECURE_HEAP_H__

1
portable/ARMv8M/secure/init/secure_init.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */

1
portable/ARMv8M/secure/init/secure_init.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __SECURE_INIT_H__ #ifndef __SECURE_INIT_H__

1
portable/ARMv8M/secure/macros/secure_port_macros.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __SECURE_PORT_MACROS_H__ #ifndef __SECURE_PORT_MACROS_H__

21
portable/BCC/16BitDOS/Flsh186/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*
@ -188,7 +189,7 @@ void vPortEndScheduler( void )
static void prvExitFunction( void ) static void prvExitFunction( void )
{ {
const uint16_t usTimerDisable = 0x0000; const uint16_t usTimerDisable = 0x0000;
uint16_t usTimer0Control; uint16_t usTimer0Control;
/* Interrupts should be disabled here anyway - but no /* Interrupts should be disabled here anyway - but no
* harm in making sure. */ * harm in making sure. */
@ -207,7 +208,7 @@ static void prvExitFunction( void )
portOUTPUT_WORD( portTIMER_1_CONTROL_REGISTER, usTimerDisable ); portOUTPUT_WORD( portTIMER_1_CONTROL_REGISTER, usTimerDisable );
/* Restart the DOS tick. */ /* Restart the DOS tick. */
usTimer0Control = portINPUT_WORD( portTIMER_0_CONTROL_REGISTER ); usTimer0Control = portINPUT_WORD( portTIMER_0_CONTROL_REGISTER );
usTimer0Control |= portTIMER_INTERRUPT_ENABLE; usTimer0Control |= portTIMER_INTERRUPT_ENABLE;
portOUTPUT_WORD( portTIMER_0_CONTROL_REGISTER, usTimer0Control ); portOUTPUT_WORD( portTIMER_0_CONTROL_REGISTER, usTimer0Control );
@ -218,25 +219,25 @@ static void prvExitFunction( void )
static void prvSetTickFrequency( uint32_t ulTickRateHz ) static void prvSetTickFrequency( uint32_t ulTickRateHz )
{ {
const uint16_t usMaxCountRegister = 0xff5a; const uint16_t usMaxCountRegister = 0xff5a;
const uint16_t usTimerPriorityRegister = 0xff32; const uint16_t usTimerPriorityRegister = 0xff32;
const uint16_t usTimerEnable = 0xC000; const uint16_t usTimerEnable = 0xC000;
const uint16_t usRetrigger = 0x0001; const uint16_t usRetrigger = 0x0001;
const uint16_t usTimerHighPriority = 0x0000; const uint16_t usTimerHighPriority = 0x0000;
uint16_t usTimer0Control; uint16_t usTimer0Control;
/* ( CPU frequency / 4 ) / clock 2 max count [inpw( 0xff62 ) = 7] */ /* ( CPU frequency / 4 ) / clock 2 max count [inpw( 0xff62 ) = 7] */
const uint32_t ulClockFrequency = ( uint32_t ) 0x7f31a0UL; const uint32_t ulClockFrequency = ( uint32_t ) 0x7f31a0UL;
uint32_t ulTimerCount = ulClockFrequency / ulTickRateHz; uint32_t ulTimerCount = ulClockFrequency / ulTickRateHz;
portOUTPUT_WORD( portTIMER_1_CONTROL_REGISTER, usTimerEnable | portTIMER_INTERRUPT_ENABLE | usRetrigger ); portOUTPUT_WORD( portTIMER_1_CONTROL_REGISTER, usTimerEnable | portTIMER_INTERRUPT_ENABLE | usRetrigger );
portOUTPUT_WORD( usMaxCountRegister, ( uint16_t ) ulTimerCount ); portOUTPUT_WORD( usMaxCountRegister, ( uint16_t ) ulTimerCount );
portOUTPUT_WORD( usTimerPriorityRegister, usTimerHighPriority ); portOUTPUT_WORD( usTimerPriorityRegister, usTimerHighPriority );
/* Stop the DOS tick - don't do this if you want to maintain a TOD clock. */ /* Stop the DOS tick - don't do this if you want to maintain a TOD clock. */
usTimer0Control = portINPUT_WORD( portTIMER_0_CONTROL_REGISTER ); usTimer0Control = portINPUT_WORD( portTIMER_0_CONTROL_REGISTER );
usTimer0Control &= ~portTIMER_INTERRUPT_ENABLE; usTimer0Control &= ~portTIMER_INTERRUPT_ENABLE;
portOUTPUT_WORD( portTIMER_0_CONTROL_REGISTER, usTimer0Control ); portOUTPUT_WORD( portTIMER_0_CONTROL_REGISTER, usTimer0Control );
} }

1
portable/BCC/16BitDOS/Flsh186/prtmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

23
portable/BCC/16BitDOS/PC/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*
@ -88,7 +89,7 @@ static void prvSetTickFrequencyDefault( void );
/*lint -e956 File scopes necessary here. */ /*lint -e956 File scopes necessary here. */
/* Used to signal when to chain to the DOS tick, and when to just clear the PIC ourselves. */ /* Used to signal when to chain to the DOS tick, and when to just clear the PIC ourselves. */
static int16_t sDOSTickCounter; static int16_t sDOSTickCounter;
/* Set true when the vectors are set so the scheduler will service the tick. */ /* Set true when the vectors are set so the scheduler will service the tick. */
static BaseType_t xSchedulerRunning = pdFALSE; static BaseType_t xSchedulerRunning = pdFALSE;
@ -113,8 +114,8 @@ BaseType_t xPortStartScheduler( void )
/* Remember what was on the interrupts we are going to use /* Remember what was on the interrupts we are going to use
* so we can put them back later if required. */ * so we can put them back later if required. */
pxOldSwitchISR = _dos_getvect( portSWITCH_INT_NUMBER ); pxOldSwitchISR = _dos_getvect( portSWITCH_INT_NUMBER );
pxOriginalTickISR = _dos_getvect( portTIMER_INT_NUMBER ); pxOriginalTickISR = _dos_getvect( portTIMER_INT_NUMBER );
pxOldSwitchISRPlus1 = _dos_getvect( portSWITCH_INT_NUMBER + 1 ); pxOldSwitchISRPlus1 = _dos_getvect( portSWITCH_INT_NUMBER + 1 );
prvSetTickFrequency( configTICK_RATE_HZ ); prvSetTickFrequency( configTICK_RATE_HZ );
@ -144,7 +145,7 @@ BaseType_t xPortStartScheduler( void )
/* Setup a counter that is used to call the DOS interrupt as close /* Setup a counter that is used to call the DOS interrupt as close
* to it's original frequency as can be achieved given our chosen tick * to it's original frequency as can be achieved given our chosen tick
* frequency. */ * frequency. */
sDOSTickCounter = portTICKS_PER_DOS_TICK; sDOSTickCounter = portTICKS_PER_DOS_TICK;
/* Clean up function if we want to return to DOS. */ /* Clean up function if we want to return to DOS. */
if( setjmp( xJumpBuf ) != 0 ) if( setjmp( xJumpBuf ) != 0 )
@ -263,15 +264,15 @@ static void prvExitFunction( void )
static void prvSetTickFrequency( uint32_t ulTickRateHz ) static void prvSetTickFrequency( uint32_t ulTickRateHz )
{ {
const uint16_t usPIT_MODE = ( uint16_t ) 0x43; const uint16_t usPIT_MODE = ( uint16_t ) 0x43;
const uint16_t usPIT0 = ( uint16_t ) 0x40; const uint16_t usPIT0 = ( uint16_t ) 0x40;
const uint32_t ulPIT_CONST = ( uint32_t ) 1193180UL; const uint32_t ulPIT_CONST = ( uint32_t ) 1193180UL;
const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36; const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36;
uint32_t ulOutput; uint32_t ulOutput;
/* Setup the 8245 to tick at the wanted frequency. */ /* Setup the 8245 to tick at the wanted frequency. */
portOUTPUT_BYTE( usPIT_MODE, us8254_CTR0_MODE3 ); portOUTPUT_BYTE( usPIT_MODE, us8254_CTR0_MODE3 );
ulOutput = ulPIT_CONST / ulTickRateHz; ulOutput = ulPIT_CONST / ulTickRateHz;
portOUTPUT_BYTE( usPIT0, ( uint16_t ) ( ulOutput & ( uint32_t ) 0xff ) ); portOUTPUT_BYTE( usPIT0, ( uint16_t ) ( ulOutput & ( uint32_t ) 0xff ) );
ulOutput >>= 8; ulOutput >>= 8;
portOUTPUT_BYTE( usPIT0, ( uint16_t ) ( ulOutput & ( uint32_t ) 0xff ) ); portOUTPUT_BYTE( usPIT0, ( uint16_t ) ( ulOutput & ( uint32_t ) 0xff ) );
@ -280,8 +281,8 @@ static void prvSetTickFrequency( uint32_t ulTickRateHz )
static void prvSetTickFrequencyDefault( void ) static void prvSetTickFrequencyDefault( void )
{ {
const uint16_t usPIT_MODE = ( uint16_t ) 0x43; const uint16_t usPIT_MODE = ( uint16_t ) 0x43;
const uint16_t usPIT0 = ( uint16_t ) 0x40; const uint16_t usPIT0 = ( uint16_t ) 0x40;
const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36; const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36;
portOUTPUT_BYTE( usPIT_MODE, us8254_CTR0_MODE3 ); portOUTPUT_BYTE( usPIT_MODE, us8254_CTR0_MODE3 );

1
portable/BCC/16BitDOS/PC/prtmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

1
portable/BCC/16BitDOS/common/portasm.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORT_ASM_H #ifndef PORT_ASM_H

1
portable/BCC/16BitDOS/common/portcomn.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*

73
portable/CCS/ARM_CM3/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/*----------------------------------------------------------- /*-----------------------------------------------------------
@ -116,17 +117,17 @@ static void prvTaskExitError( void );
/* Required to allow portasm.asm access the configMAX_SYSCALL_INTERRUPT_PRIORITY /* Required to allow portasm.asm access the configMAX_SYSCALL_INTERRUPT_PRIORITY
* setting. */ * setting. */
const uint32_t ulMaxSyscallInterruptPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY; const uint32_t ulMaxSyscallInterruptPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY;
/* Each task maintains its own interrupt status in the critical nesting /* Each task maintains its own interrupt status in the critical nesting
* variable. */ * variable. */
static UBaseType_t uxCriticalNesting = 0xaaaaaaaa; static UBaseType_t uxCriticalNesting = 0xaaaaaaaa;
/* /*
* The number of SysTick increments that make up one tick period. * The number of SysTick increments that make up one tick period.
*/ */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
static uint32_t ulTimerCountsForOneTick = 0; static uint32_t ulTimerCountsForOneTick = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* /*
@ -134,7 +135,7 @@ static UBaseType_t uxCriticalNesting = 0xaaaaa
* 24 bit resolution of the SysTick timer. * 24 bit resolution of the SysTick timer.
*/ */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
static uint32_t xMaximumPossibleSuppressedTicks = 0; static uint32_t xMaximumPossibleSuppressedTicks = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* /*
@ -142,7 +143,7 @@ static UBaseType_t uxCriticalNesting = 0xaaaaa
* power functionality only. * power functionality only.
*/ */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
static uint32_t ulStoppedTimerCompensation = 0; static uint32_t ulStoppedTimerCompensation = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* /*
@ -151,8 +152,8 @@ static UBaseType_t uxCriticalNesting = 0xaaaaa
* a priority above configMAX_SYSCALL_INTERRUPT_PRIORITY. * a priority above configMAX_SYSCALL_INTERRUPT_PRIORITY.
*/ */
#if ( configASSERT_DEFINED == 1 ) #if ( configASSERT_DEFINED == 1 )
static uint8_t ucMaxSysCallPriority = 0; static uint8_t ucMaxSysCallPriority = 0;
static uint32_t ulMaxPRIGROUPValue = 0; static uint32_t ulMaxPRIGROUPValue = 0;
static const volatile uint8_t * const pcInterruptPriorityRegisters = ( uint8_t * ) portNVIC_IP_REGISTERS_OFFSET_16; static const volatile uint8_t * const pcInterruptPriorityRegisters = ( uint8_t * ) portNVIC_IP_REGISTERS_OFFSET_16;
#endif /* configASSERT_DEFINED */ #endif /* configASSERT_DEFINED */
@ -212,9 +213,9 @@ BaseType_t xPortStartScheduler( void )
{ {
#if ( configASSERT_DEFINED == 1 ) #if ( configASSERT_DEFINED == 1 )
{ {
volatile uint32_t ulOriginalPriority; volatile uint32_t ulOriginalPriority;
volatile uint8_t * const pucFirstUserPriorityRegister = ( uint8_t * ) ( portNVIC_IP_REGISTERS_OFFSET_16 + portFIRST_USER_INTERRUPT_NUMBER ); volatile uint8_t * const pucFirstUserPriorityRegister = ( uint8_t * ) ( portNVIC_IP_REGISTERS_OFFSET_16 + portFIRST_USER_INTERRUPT_NUMBER );
volatile uint8_t ucMaxPriorityValue; volatile uint8_t ucMaxPriorityValue;
/* Determine the maximum priority from which ISR safe FreeRTOS API /* Determine the maximum priority from which ISR safe FreeRTOS API
* functions can be called. ISR safe functions are those that end in * functions can be called. ISR safe functions are those that end in
@ -222,21 +223,21 @@ BaseType_t xPortStartScheduler( void )
* ensure interrupt entry is as fast and simple as possible. * ensure interrupt entry is as fast and simple as possible.
* *
* Save the interrupt priority value that is about to be clobbered. */ * Save the interrupt priority value that is about to be clobbered. */
ulOriginalPriority = *pucFirstUserPriorityRegister; ulOriginalPriority = *pucFirstUserPriorityRegister;
/* Determine the number of priority bits available. First write to all /* Determine the number of priority bits available. First write to all
* possible bits. */ * possible bits. */
*pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE; *pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE;
/* Read the value back to see how many bits stuck. */ /* Read the value back to see how many bits stuck. */
ucMaxPriorityValue = *pucFirstUserPriorityRegister; ucMaxPriorityValue = *pucFirstUserPriorityRegister;
/* Use the same mask on the maximum system call priority. */ /* Use the same mask on the maximum system call priority. */
ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue; ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue;
/* Calculate the maximum acceptable priority group value for the number /* Calculate the maximum acceptable priority group value for the number
* of bits read back. */ * of bits read back. */
ulMaxPRIGROUPValue = portMAX_PRIGROUP_BITS; ulMaxPRIGROUPValue = portMAX_PRIGROUP_BITS;
while( ( ucMaxPriorityValue & portTOP_BIT_OF_BYTE ) == portTOP_BIT_OF_BYTE ) while( ( ucMaxPriorityValue & portTOP_BIT_OF_BYTE ) == portTOP_BIT_OF_BYTE )
{ {
@ -264,8 +265,8 @@ BaseType_t xPortStartScheduler( void )
/* Shift the priority group value back to its position within the AIRCR /* Shift the priority group value back to its position within the AIRCR
* register. */ * register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT; ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;
ulMaxPRIGROUPValue &= portPRIORITY_GROUP_MASK; ulMaxPRIGROUPValue &= portPRIORITY_GROUP_MASK;
/* Restore the clobbered interrupt priority register to its original /* Restore the clobbered interrupt priority register to its original
* value. */ * value. */
@ -282,7 +283,7 @@ BaseType_t xPortStartScheduler( void )
vPortSetupTimerInterrupt(); vPortSetupTimerInterrupt();
/* Initialise the critical nesting count ready for the first task. */ /* Initialise the critical nesting count ready for the first task. */
uxCriticalNesting = 0; uxCriticalNesting = 0;
/* Start the first task. */ /* Start the first task. */
vPortStartFirstTask(); vPortStartFirstTask();
@ -354,7 +355,7 @@ void xPortSysTickHandler( void )
#pragma WEAK( vPortSuppressTicksAndSleep ) #pragma WEAK( vPortSuppressTicksAndSleep )
void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
{ {
uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements; uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements;
TickType_t xModifiableIdleTime; TickType_t xModifiableIdleTime;
/* Make sure the SysTick reload value does not overflow the counter. */ /* Make sure the SysTick reload value does not overflow the counter. */
@ -372,7 +373,7 @@ void xPortSysTickHandler( void )
/* Calculate the reload value required to wait xExpectedIdleTime /* Calculate the reload value required to wait xExpectedIdleTime
* tick periods. -1 is used because this code will execute part way * tick periods. -1 is used because this code will execute part way
* through one of the tick periods. */ * through one of the tick periods. */
ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) ); ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) );
if( ulReloadValue > ulStoppedTimerCompensation ) if( ulReloadValue > ulStoppedTimerCompensation )
{ {
@ -391,14 +392,14 @@ void xPortSysTickHandler( void )
{ {
/* Restart from whatever is left in the count register to complete /* Restart from whatever is left in the count register to complete
* this tick period. */ * this tick period. */
portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG; portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Reset the reload register to the value required for normal tick /* Reset the reload register to the value required for normal tick
* periods. */ * periods. */
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Re-enable interrupts - see comments above __disable_interrupt() /* Re-enable interrupts - see comments above __disable_interrupt()
* call above. */ * call above. */
@ -407,21 +408,21 @@ void xPortSysTickHandler( void )
else else
{ {
/* Set the new reload value. */ /* Set the new reload value. */
portNVIC_SYSTICK_LOAD_REG = ulReloadValue; portNVIC_SYSTICK_LOAD_REG = ulReloadValue;
/* Clear the SysTick count flag and set the count value back to /* Clear the SysTick count flag and set the count value back to
* zero. */ * zero. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Sleep until something happens. configPRE_SLEEP_PROCESSING() can /* Sleep until something happens. configPRE_SLEEP_PROCESSING() can
* set its parameter to 0 to indicate that its implementation contains * set its parameter to 0 to indicate that its implementation contains
* its own wait for interrupt or wait for event instruction, and so wfi * its own wait for interrupt or wait for event instruction, and so wfi
* should not be executed again. However, the original expected idle * should not be executed again. However, the original expected idle
* time variable must remain unmodified, so a copy is taken. */ * time variable must remain unmodified, so a copy is taken. */
xModifiableIdleTime = xExpectedIdleTime; xModifiableIdleTime = xExpectedIdleTime;
configPRE_SLEEP_PROCESSING( xModifiableIdleTime ); configPRE_SLEEP_PROCESSING( xModifiableIdleTime );
if( xModifiableIdleTime > 0 ) if( xModifiableIdleTime > 0 )
@ -455,7 +456,7 @@ void xPortSysTickHandler( void )
* be, but using the tickless mode will inevitably result in some tiny * be, but using the tickless mode will inevitably result in some tiny
* drift of the time maintained by the kernel with respect to calendar * drift of the time maintained by the kernel with respect to calendar
* time*/ * time*/
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT ); portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT );
/* Determine if the SysTick clock has already counted to zero and /* Determine if the SysTick clock has already counted to zero and
* been set back to the current reload value (the reload back being * been set back to the current reload value (the reload back being
@ -470,7 +471,7 @@ void xPortSysTickHandler( void )
* reloaded with ulReloadValue. Reset the * reloaded with ulReloadValue. Reset the
* portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick * portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick
* period. */ * period. */
ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG ); ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG );
/* Don't allow a tiny value, or values that have somehow /* Don't allow a tiny value, or values that have somehow
* underflowed because the post sleep hook did something * underflowed because the post sleep hook did something
@ -485,7 +486,7 @@ void xPortSysTickHandler( void )
/* As the pending tick will be processed as soon as this /* As the pending tick will be processed as soon as this
* function exits, the tick value maintained by the tick is stepped * function exits, the tick value maintained by the tick is stepped
* forward by one less than the time spent waiting. */ * forward by one less than the time spent waiting. */
ulCompleteTickPeriods = xExpectedIdleTime - 1UL; ulCompleteTickPeriods = xExpectedIdleTime - 1UL;
} }
else else
{ {
@ -497,20 +498,20 @@ void xPortSysTickHandler( void )
/* How many complete tick periods passed while the processor /* How many complete tick periods passed while the processor
* was waiting? */ * was waiting? */
ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick; ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick;
/* The reload value is set to whatever fraction of a single tick /* The reload value is set to whatever fraction of a single tick
* period remains. */ * period remains. */
portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements; portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements;
} }
/* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG /* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG
* again, then set portNVIC_SYSTICK_LOAD_REG back to its standard * again, then set portNVIC_SYSTICK_LOAD_REG back to its standard
* value. */ * value. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
vTaskStepTick( ulCompleteTickPeriods ); vTaskStepTick( ulCompleteTickPeriods );
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Exit with interrupts enabled. */ /* Exit with interrupts enabled. */
__asm( " cpsie i"); __asm( " cpsie i");
@ -530,19 +531,19 @@ void vPortSetupTimerInterrupt( void )
/* Calculate the constants required to configure the tick interrupt. */ /* Calculate the constants required to configure the tick interrupt. */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
{ {
ulTimerCountsForOneTick = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ); ulTimerCountsForOneTick = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ );
xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick; xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick;
ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ ); ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ );
} }
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* Stop and clear the SysTick. */ /* Stop and clear the SysTick. */
portNVIC_SYSTICK_CTRL_REG = 0UL; portNVIC_SYSTICK_CTRL_REG = 0UL;
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Configure SysTick to interrupt at the requested rate. */ /* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT ); portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -552,7 +553,7 @@ void vPortSetupTimerInterrupt( void )
{ {
extern uint32_t ulPortGetIPSR( void ); extern uint32_t ulPortGetIPSR( void );
uint32_t ulCurrentInterrupt; uint32_t ulCurrentInterrupt;
uint8_t ucCurrentPriority; uint8_t ucCurrentPriority;
ulCurrentInterrupt = ulPortGetIPSR(); ulCurrentInterrupt = ulPortGetIPSR();

3
portable/CCS/ARM_CM3/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -114,7 +115,7 @@
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) ) #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) )
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

75
portable/CCS/ARM_CM4F/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/*----------------------------------------------------------- /*-----------------------------------------------------------
@ -130,17 +131,17 @@ static void prvTaskExitError( void );
/* Required to allow portasm.asm access the configMAX_SYSCALL_INTERRUPT_PRIORITY /* Required to allow portasm.asm access the configMAX_SYSCALL_INTERRUPT_PRIORITY
* setting. */ * setting. */
const uint32_t ulMaxSyscallInterruptPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY; const uint32_t ulMaxSyscallInterruptPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY;
/* Each task maintains its own interrupt status in the critical nesting /* Each task maintains its own interrupt status in the critical nesting
* variable. */ * variable. */
static UBaseType_t uxCriticalNesting = 0xaaaaaaaa; static UBaseType_t uxCriticalNesting = 0xaaaaaaaa;
/* /*
* The number of SysTick increments that make up one tick period. * The number of SysTick increments that make up one tick period.
*/ */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
static uint32_t ulTimerCountsForOneTick = 0; static uint32_t ulTimerCountsForOneTick = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* /*
@ -148,7 +149,7 @@ static UBaseType_t uxCriticalNesting = 0xaaaaa
* 24 bit resolution of the SysTick timer. * 24 bit resolution of the SysTick timer.
*/ */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
static uint32_t xMaximumPossibleSuppressedTicks = 0; static uint32_t xMaximumPossibleSuppressedTicks = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* /*
@ -156,7 +157,7 @@ static UBaseType_t uxCriticalNesting = 0xaaaaa
* power functionality only. * power functionality only.
*/ */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
static uint32_t ulStoppedTimerCompensation = 0; static uint32_t ulStoppedTimerCompensation = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* /*
@ -165,8 +166,8 @@ static UBaseType_t uxCriticalNesting = 0xaaaaa
* a priority above configMAX_SYSCALL_INTERRUPT_PRIORITY. * a priority above configMAX_SYSCALL_INTERRUPT_PRIORITY.
*/ */
#if ( configASSERT_DEFINED == 1 ) #if ( configASSERT_DEFINED == 1 )
static uint8_t ucMaxSysCallPriority = 0; static uint8_t ucMaxSysCallPriority = 0;
static uint32_t ulMaxPRIGROUPValue = 0; static uint32_t ulMaxPRIGROUPValue = 0;
static const volatile uint8_t * const pcInterruptPriorityRegisters = ( uint8_t * ) portNVIC_IP_REGISTERS_OFFSET_16; static const volatile uint8_t * const pcInterruptPriorityRegisters = ( uint8_t * ) portNVIC_IP_REGISTERS_OFFSET_16;
#endif /* configASSERT_DEFINED */ #endif /* configASSERT_DEFINED */
@ -231,9 +232,9 @@ BaseType_t xPortStartScheduler( void )
{ {
#if ( configASSERT_DEFINED == 1 ) #if ( configASSERT_DEFINED == 1 )
{ {
volatile uint32_t ulOriginalPriority; volatile uint32_t ulOriginalPriority;
volatile uint8_t * const pucFirstUserPriorityRegister = ( uint8_t * ) ( portNVIC_IP_REGISTERS_OFFSET_16 + portFIRST_USER_INTERRUPT_NUMBER ); volatile uint8_t * const pucFirstUserPriorityRegister = ( uint8_t * ) ( portNVIC_IP_REGISTERS_OFFSET_16 + portFIRST_USER_INTERRUPT_NUMBER );
volatile uint8_t ucMaxPriorityValue; volatile uint8_t ucMaxPriorityValue;
/* Determine the maximum priority from which ISR safe FreeRTOS API /* Determine the maximum priority from which ISR safe FreeRTOS API
* functions can be called. ISR safe functions are those that end in * functions can be called. ISR safe functions are those that end in
@ -241,21 +242,21 @@ BaseType_t xPortStartScheduler( void )
* ensure interrupt entry is as fast and simple as possible. * ensure interrupt entry is as fast and simple as possible.
* *
* Save the interrupt priority value that is about to be clobbered. */ * Save the interrupt priority value that is about to be clobbered. */
ulOriginalPriority = *pucFirstUserPriorityRegister; ulOriginalPriority = *pucFirstUserPriorityRegister;
/* Determine the number of priority bits available. First write to all /* Determine the number of priority bits available. First write to all
* possible bits. */ * possible bits. */
*pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE; *pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE;
/* Read the value back to see how many bits stuck. */ /* Read the value back to see how many bits stuck. */
ucMaxPriorityValue = *pucFirstUserPriorityRegister; ucMaxPriorityValue = *pucFirstUserPriorityRegister;
/* Use the same mask on the maximum system call priority. */ /* Use the same mask on the maximum system call priority. */
ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue; ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue;
/* Calculate the maximum acceptable priority group value for the number /* Calculate the maximum acceptable priority group value for the number
* of bits read back. */ * of bits read back. */
ulMaxPRIGROUPValue = portMAX_PRIGROUP_BITS; ulMaxPRIGROUPValue = portMAX_PRIGROUP_BITS;
while( ( ucMaxPriorityValue & portTOP_BIT_OF_BYTE ) == portTOP_BIT_OF_BYTE ) while( ( ucMaxPriorityValue & portTOP_BIT_OF_BYTE ) == portTOP_BIT_OF_BYTE )
{ {
@ -283,8 +284,8 @@ BaseType_t xPortStartScheduler( void )
/* Shift the priority group value back to its position within the AIRCR /* Shift the priority group value back to its position within the AIRCR
* register. */ * register. */
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT; ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;
ulMaxPRIGROUPValue &= portPRIORITY_GROUP_MASK; ulMaxPRIGROUPValue &= portPRIORITY_GROUP_MASK;
/* Restore the clobbered interrupt priority register to its original /* Restore the clobbered interrupt priority register to its original
* value. */ * value. */
@ -301,13 +302,13 @@ BaseType_t xPortStartScheduler( void )
vPortSetupTimerInterrupt(); vPortSetupTimerInterrupt();
/* Initialise the critical nesting count ready for the first task. */ /* Initialise the critical nesting count ready for the first task. */
uxCriticalNesting = 0; uxCriticalNesting = 0;
/* Ensure the VFP is enabled - it should be anyway. */ /* Ensure the VFP is enabled - it should be anyway. */
vPortEnableVFP(); vPortEnableVFP();
/* Lazy save always. */ /* Lazy save always. */
*( portFPCCR ) |= portASPEN_AND_LSPEN_BITS; *( portFPCCR ) |= portASPEN_AND_LSPEN_BITS;
/* Start the first task. */ /* Start the first task. */
vPortStartFirstTask(); vPortStartFirstTask();
@ -379,7 +380,7 @@ void xPortSysTickHandler( void )
#pragma WEAK( vPortSuppressTicksAndSleep ) #pragma WEAK( vPortSuppressTicksAndSleep )
void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
{ {
uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements; uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements;
TickType_t xModifiableIdleTime; TickType_t xModifiableIdleTime;
/* Make sure the SysTick reload value does not overflow the counter. */ /* Make sure the SysTick reload value does not overflow the counter. */
@ -397,7 +398,7 @@ void xPortSysTickHandler( void )
/* Calculate the reload value required to wait xExpectedIdleTime /* Calculate the reload value required to wait xExpectedIdleTime
* tick periods. -1 is used because this code will execute part way * tick periods. -1 is used because this code will execute part way
* through one of the tick periods. */ * through one of the tick periods. */
ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) ); ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) );
if( ulReloadValue > ulStoppedTimerCompensation ) if( ulReloadValue > ulStoppedTimerCompensation )
{ {
@ -416,14 +417,14 @@ void xPortSysTickHandler( void )
{ {
/* Restart from whatever is left in the count register to complete /* Restart from whatever is left in the count register to complete
* this tick period. */ * this tick period. */
portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG; portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Reset the reload register to the value required for normal tick /* Reset the reload register to the value required for normal tick
* periods. */ * periods. */
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Re-enable interrupts - see comments above __disable_interrupt() /* Re-enable interrupts - see comments above __disable_interrupt()
* call above. */ * call above. */
@ -432,21 +433,21 @@ void xPortSysTickHandler( void )
else else
{ {
/* Set the new reload value. */ /* Set the new reload value. */
portNVIC_SYSTICK_LOAD_REG = ulReloadValue; portNVIC_SYSTICK_LOAD_REG = ulReloadValue;
/* Clear the SysTick count flag and set the count value back to /* Clear the SysTick count flag and set the count value back to
* zero. */ * zero. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Sleep until something happens. configPRE_SLEEP_PROCESSING() can /* Sleep until something happens. configPRE_SLEEP_PROCESSING() can
* set its parameter to 0 to indicate that its implementation contains * set its parameter to 0 to indicate that its implementation contains
* its own wait for interrupt or wait for event instruction, and so wfi * its own wait for interrupt or wait for event instruction, and so wfi
* should not be executed again. However, the original expected idle * should not be executed again. However, the original expected idle
* time variable must remain unmodified, so a copy is taken. */ * time variable must remain unmodified, so a copy is taken. */
xModifiableIdleTime = xExpectedIdleTime; xModifiableIdleTime = xExpectedIdleTime;
configPRE_SLEEP_PROCESSING( xModifiableIdleTime ); configPRE_SLEEP_PROCESSING( xModifiableIdleTime );
if( xModifiableIdleTime > 0 ) if( xModifiableIdleTime > 0 )
@ -480,7 +481,7 @@ void xPortSysTickHandler( void )
* be, but using the tickless mode will inevitably result in some tiny * be, but using the tickless mode will inevitably result in some tiny
* drift of the time maintained by the kernel with respect to calendar * drift of the time maintained by the kernel with respect to calendar
* time*/ * time*/
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT ); portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT );
/* Determine if the SysTick clock has already counted to zero and /* Determine if the SysTick clock has already counted to zero and
* been set back to the current reload value (the reload back being * been set back to the current reload value (the reload back being
@ -495,7 +496,7 @@ void xPortSysTickHandler( void )
* reloaded with ulReloadValue. Reset the * reloaded with ulReloadValue. Reset the
* portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick * portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick
* period. */ * period. */
ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG ); ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG );
/* Don't allow a tiny value, or values that have somehow /* Don't allow a tiny value, or values that have somehow
* underflowed because the post sleep hook did something * underflowed because the post sleep hook did something
@ -510,7 +511,7 @@ void xPortSysTickHandler( void )
/* As the pending tick will be processed as soon as this /* As the pending tick will be processed as soon as this
* function exits, the tick value maintained by the tick is stepped * function exits, the tick value maintained by the tick is stepped
* forward by one less than the time spent waiting. */ * forward by one less than the time spent waiting. */
ulCompleteTickPeriods = xExpectedIdleTime - 1UL; ulCompleteTickPeriods = xExpectedIdleTime - 1UL;
} }
else else
{ {
@ -522,20 +523,20 @@ void xPortSysTickHandler( void )
/* How many complete tick periods passed while the processor /* How many complete tick periods passed while the processor
* was waiting? */ * was waiting? */
ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick; ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick;
/* The reload value is set to whatever fraction of a single tick /* The reload value is set to whatever fraction of a single tick
* period remains. */ * period remains. */
portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements; portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements;
} }
/* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG /* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG
* again, then set portNVIC_SYSTICK_LOAD_REG back to its standard * again, then set portNVIC_SYSTICK_LOAD_REG back to its standard
* value. */ * value. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
vTaskStepTick( ulCompleteTickPeriods ); vTaskStepTick( ulCompleteTickPeriods );
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Exit with interrupts enabled. */ /* Exit with interrupts enabled. */
__asm( " cpsie i"); __asm( " cpsie i");
@ -555,19 +556,19 @@ void vPortSetupTimerInterrupt( void )
/* Calculate the constants required to configure the tick interrupt. */ /* Calculate the constants required to configure the tick interrupt. */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
{ {
ulTimerCountsForOneTick = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ); ulTimerCountsForOneTick = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ );
xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick; xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick;
ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ ); ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ );
} }
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* Stop and clear the SysTick. */ /* Stop and clear the SysTick. */
portNVIC_SYSTICK_CTRL_REG = 0UL; portNVIC_SYSTICK_CTRL_REG = 0UL;
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Configure SysTick to interrupt at the requested rate. */ /* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT ); portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -577,7 +578,7 @@ void vPortSetupTimerInterrupt( void )
{ {
extern uint32_t ulPortGetIPSR( void ); extern uint32_t ulPortGetIPSR( void );
uint32_t ulCurrentInterrupt; uint32_t ulCurrentInterrupt;
uint8_t ucCurrentPriority; uint8_t ucCurrentPriority;
ulCurrentInterrupt = ulPortGetIPSR(); ulCurrentInterrupt = ulPortGetIPSR();

3
portable/CCS/ARM_CM4F/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -108,7 +109,7 @@
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) ) #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) )
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

25
portable/CCS/ARM_Cortex-R4/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* FreeRTOS includes. */ /* FreeRTOS includes. */
@ -31,7 +32,7 @@
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Count of the critical section nesting depth. */ /* Count of the critical section nesting depth. */
uint32_t ulCriticalNesting = 9999; uint32_t ulCriticalNesting = 9999;
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -169,30 +170,30 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
static void prvSetupTimerInterrupt( void ) static void prvSetupTimerInterrupt( void )
{ {
/* Disable timer 0. */ /* Disable timer 0. */
portRTI_GCTRL_REG &= 0xFFFFFFFEUL; portRTI_GCTRL_REG &= 0xFFFFFFFEUL;
/* Use the internal counter. */ /* Use the internal counter. */
portRTI_TBCTRL_REG = 0x00000000U; portRTI_TBCTRL_REG = 0x00000000U;
/* COMPSEL0 will use the RTIFRC0 counter. */ /* COMPSEL0 will use the RTIFRC0 counter. */
portRTI_COMPCTRL_REG = 0x00000000U; portRTI_COMPCTRL_REG = 0x00000000U;
/* Initialise the counter and the prescale counter registers. */ /* Initialise the counter and the prescale counter registers. */
portRTI_CNT0_UC0_REG = 0x00000000U; portRTI_CNT0_UC0_REG = 0x00000000U;
portRTI_CNT0_FRC0_REG = 0x00000000U; portRTI_CNT0_FRC0_REG = 0x00000000U;
/* Set Prescalar for RTI clock. */ /* Set Prescalar for RTI clock. */
portRTI_CNT0_CPUC0_REG = 0x00000001U; portRTI_CNT0_CPUC0_REG = 0x00000001U;
portRTI_CNT0_COMP0_REG = ( configCPU_CLOCK_HZ / 2 ) / configTICK_RATE_HZ; portRTI_CNT0_COMP0_REG = ( configCPU_CLOCK_HZ / 2 ) / configTICK_RATE_HZ;
portRTI_CNT0_UDCP0_REG = ( configCPU_CLOCK_HZ / 2 ) / configTICK_RATE_HZ; portRTI_CNT0_UDCP0_REG = ( configCPU_CLOCK_HZ / 2 ) / configTICK_RATE_HZ;
/* Clear interrupts. */ /* Clear interrupts. */
portRTI_INTFLAG_REG = 0x0007000FU; portRTI_INTFLAG_REG = 0x0007000FU;
portRTI_CLEARINTENA_REG = 0x00070F0FU; portRTI_CLEARINTENA_REG = 0x00070F0FU;
/* Enable the compare 0 interrupt. */ /* Enable the compare 0 interrupt. */
portRTI_SETINTENA_REG = 0x00000001U; portRTI_SETINTENA_REG = 0x00000001U;
portRTI_GCTRL_REG |= 0x00000001U; portRTI_GCTRL_REG |= 0x00000001U;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

3
portable/CCS/ARM_Cortex-R4/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __PORTMACRO_H__ #ifndef __PORTMACRO_H__
@ -103,7 +104,7 @@ extern void vPortYield( void );
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) ) #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) )
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */

1
portable/CCS/MSP430X/data_model.h
View file

@ -22,6 +22,7 @@
* ; * http://www.FreeRTOS.org * ; * http://www.FreeRTOS.org
* ; * http://aws.amazon.com/freertos * ; * http://aws.amazon.com/freertos
* ; * * ; *
* ; * 1 tab == 4 spaces!
* ; */ * ; */
.if $DEFINED( __LARGE_DATA_MODEL__ ) .if $DEFINED( __LARGE_DATA_MODEL__ )

17
portable/CCS/MSP430X/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Scheduler includes. */ /* Scheduler includes. */
@ -91,25 +92,25 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
* and code model used. */ * and code model used. */
if( sizeof( pxCode ) == sizeof( uint16_t ) ) if( sizeof( pxCode ) == sizeof( uint16_t ) )
{ {
pusTopOfStack = ( uint16_t * ) pxTopOfStack; pusTopOfStack = ( uint16_t * ) pxTopOfStack;
ulTemp = ( uint32_t ) pxCode; ulTemp = ( uint32_t ) pxCode;
*pusTopOfStack = ( uint16_t ) ulTemp; *pusTopOfStack = ( uint16_t ) ulTemp;
} }
else else
{ {
/* Make room for a 20 bit value stored as a 32 bit value. */ /* Make room for a 20 bit value stored as a 32 bit value. */
pusTopOfStack = ( uint16_t * ) pxTopOfStack; pusTopOfStack = ( uint16_t * ) pxTopOfStack;
pusTopOfStack--; pusTopOfStack--;
pulTopOfStack = ( uint32_t * ) pusTopOfStack; pulTopOfStack = ( uint32_t * ) pusTopOfStack;
*pulTopOfStack = ( uint32_t ) pxCode; *pulTopOfStack = ( uint32_t ) pxCode;
} }
pusTopOfStack--; pusTopOfStack--;
*pusTopOfStack = portFLAGS_INT_ENABLED; *pusTopOfStack = portFLAGS_INT_ENABLED;
pusTopOfStack -= ( sizeof( StackType_t ) / 2 ); pusTopOfStack -= ( sizeof( StackType_t ) / 2 );
/* From here on the size of stacked items depends on the memory model. */ /* From here on the size of stacked items depends on the memory model. */
pxTopOfStack = ( StackType_t * ) pusTopOfStack; pxTopOfStack = ( StackType_t * ) pusTopOfStack;
/* Next the general purpose registers. */ /* Next the general purpose registers. */
#ifdef PRELOAD_REGISTER_VALUES #ifdef PRELOAD_REGISTER_VALUES
@ -146,7 +147,7 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
/* A variable is used to keep track of the critical section nesting. /* A variable is used to keep track of the critical section nesting.
* This variable has to be stored as part of the task context and is * This variable has to be stored as part of the task context and is
* initially set to zero. */ * initially set to zero. */
*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING; *pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
/* Return a pointer to the top of the stack we have generated so this can /* Return a pointer to the top of the stack we have generated so this can
* be stored in the task control block for the task. */ * be stored in the task control block for the task. */

1
portable/CCS/MSP430X/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

19
portable/CodeWarrior/ColdFire_V1/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Kernel includes. */ /* Kernel includes. */
@ -60,21 +61,21 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
}; };
*pxTopOfStack = ( StackType_t ) 0xDEADBEEF; *pxTopOfStack = ( StackType_t ) 0xDEADBEEF;
pxTopOfStack--; pxTopOfStack--;
/* Exception stack frame starts with the return address. */ /* Exception stack frame starts with the return address. */
*pxTopOfStack = ( StackType_t ) pxCode; *pxTopOfStack = ( StackType_t ) pxCode;
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( portINITIAL_FORMAT_VECTOR << 16UL ) | ( portINITIAL_STATUS_REGISTER ); *pxTopOfStack = ( portINITIAL_FORMAT_VECTOR << 16UL ) | ( portINITIAL_STATUS_REGISTER );
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0; /*FP*/ *pxTopOfStack = ( StackType_t ) 0x0; /*FP*/
pxTopOfStack -= 14; /* A5 to D0. */ pxTopOfStack -= 14; /* A5 to D0. */
/* Parameter in A0. */ /* Parameter in A0. */
*( pxTopOfStack + 8 ) = ( StackType_t ) pvParameters; *( pxTopOfStack + 8 ) = ( StackType_t ) pvParameters;
/* A5 must be maintained as it is resurved by the compiler. */ /* A5 must be maintained as it is resurved by the compiler. */
*( pxTopOfStack + 13 ) = ulOriginalA5; *( pxTopOfStack + 13 ) = ulOriginalA5;
@ -102,10 +103,10 @@ BaseType_t xPortStartScheduler( void )
static void prvSetupTimerInterrupt( void ) static void prvSetupTimerInterrupt( void )
{ {
/* Prescale by 1 - ie no prescale. */ /* Prescale by 1 - ie no prescale. */
RTCSC |= 8; RTCSC |= 8;
/* Compare match value. */ /* Compare match value. */
RTCMOD = portRTC_CLOCK_HZ / configTICK_RATE_HZ; RTCMOD = portRTC_CLOCK_HZ / configTICK_RATE_HZ;
/* Enable the RTC to generate interrupts - interrupts are already disabled /* Enable the RTC to generate interrupts - interrupts are already disabled
* when this code executes. */ * when this code executes. */
@ -172,7 +173,7 @@ void interrupt VectorNumber_Vrtc vPortTickISR( void )
uint32_t ulSavedInterruptMask; uint32_t ulSavedInterruptMask;
/* Clear the interrupt. */ /* Clear the interrupt. */
RTCSC |= RTCSC_RTIF_MASK; RTCSC |= RTCSC_RTIF_MASK;
/* Increment the RTOS tick. */ /* Increment the RTOS tick. */
ulSavedInterruptMask = portSET_INTERRUPT_MASK_FROM_ISR(); ulSavedInterruptMask = portSET_INTERRUPT_MASK_FROM_ISR();

1
portable/CodeWarrior/ColdFire_V1/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

3
portable/CodeWarrior/ColdFire_V2/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Kernel includes. */ /* Kernel includes. */
@ -142,7 +143,7 @@ void vPortYieldHandler( void )
ulSavedInterruptMask = portSET_INTERRUPT_MASK_FROM_ISR(); ulSavedInterruptMask = portSET_INTERRUPT_MASK_FROM_ISR();
/* Note this will clear all forced interrupts - this is done for speed. */ /* Note this will clear all forced interrupts - this is done for speed. */
MCF_INTC0_INTFRCL = 0; MCF_INTC0_INTFRCL = 0;
vTaskSwitchContext(); vTaskSwitchContext();
portCLEAR_INTERRUPT_MASK_FROM_ISR( ulSavedInterruptMask ); portCLEAR_INTERRUPT_MASK_FROM_ISR( ulSavedInterruptMask );
} }

1
portable/CodeWarrior/ColdFire_V2/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

21
portable/CodeWarrior/HCS12/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Scheduler includes. */ /* Scheduler includes. */
@ -95,36 +96,36 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
/* The address of the task function is placed in the stack byte at a time. */ /* The address of the task function is placed in the stack byte at a time. */
*pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pxCode ) ) + 1 ); *pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pxCode ) ) + 1 );
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pxCode ) ) + 0 ); *pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pxCode ) ) + 0 );
pxTopOfStack--; pxTopOfStack--;
/* Next are all the registers that form part of the task context. */ /* Next are all the registers that form part of the task context. */
/* Y register */ /* Y register */
*pxTopOfStack = ( StackType_t ) 0xff; *pxTopOfStack = ( StackType_t ) 0xff;
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0xee; *pxTopOfStack = ( StackType_t ) 0xee;
pxTopOfStack--; pxTopOfStack--;
/* X register */ /* X register */
*pxTopOfStack = ( StackType_t ) 0xdd; *pxTopOfStack = ( StackType_t ) 0xdd;
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0xcc; *pxTopOfStack = ( StackType_t ) 0xcc;
pxTopOfStack--; pxTopOfStack--;
/* A register contains parameter high byte. */ /* A register contains parameter high byte. */
*pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pvParameters ) ) + 0 ); *pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pvParameters ) ) + 0 );
pxTopOfStack--; pxTopOfStack--;
/* B register contains parameter low byte. */ /* B register contains parameter low byte. */
*pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pvParameters ) ) + 1 ); *pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pvParameters ) ) + 1 );
pxTopOfStack--; pxTopOfStack--;
/* CCR: Note that when the task starts interrupts will be enabled since /* CCR: Note that when the task starts interrupts will be enabled since
* "I" bit of CCR is cleared */ * "I" bit of CCR is cleared */
*pxTopOfStack = ( StackType_t ) 0x00; *pxTopOfStack = ( StackType_t ) 0x00;
pxTopOfStack--; pxTopOfStack--;
#ifdef BANKED_MODEL #ifdef BANKED_MODEL
@ -135,7 +136,7 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
/* Finally the critical nesting depth is initialised with 0 (not within /* Finally the critical nesting depth is initialised with 0 (not within
* a critical section). */ * a critical section). */
*pxTopOfStack = ( StackType_t ) 0x00; *pxTopOfStack = ( StackType_t ) 0x00;
return pxTopOfStack; return pxTopOfStack;
} }

9
portable/CodeWarrior/HCS12/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -124,7 +125,7 @@ typedef unsigned char UBaseType_t;
*/ */
#define portRESTORE_CONTEXT() \ #define portRESTORE_CONTEXT() \
{ \ { \
extern volatile void * pxCurrentTCB; \ extern volatile void * pxCurrentTCB; \
extern volatile UBaseType_t uxCriticalNesting; \ extern volatile UBaseType_t uxCriticalNesting; \
\ \
__asm( "ldx pxCurrentTCB" ); \ __asm( "ldx pxCurrentTCB" ); \
@ -142,7 +143,7 @@ typedef unsigned char UBaseType_t;
*/ */
#define portSAVE_CONTEXT() \ #define portSAVE_CONTEXT() \
{ \ { \
extern volatile void * pxCurrentTCB; \ extern volatile void * pxCurrentTCB; \
extern volatile UBaseType_t uxCriticalNesting; \ extern volatile UBaseType_t uxCriticalNesting; \
\ \
__asm( "ldaa 0x30" ); /* 0x30 = PPAGE */ \ __asm( "ldaa 0x30" ); /* 0x30 = PPAGE */ \
@ -161,7 +162,7 @@ typedef unsigned char UBaseType_t;
#define portRESTORE_CONTEXT() \ #define portRESTORE_CONTEXT() \
{ \ { \
extern volatile void * pxCurrentTCB; \ extern volatile void * pxCurrentTCB; \
extern volatile UBaseType_t uxCriticalNesting; \ extern volatile UBaseType_t uxCriticalNesting; \
\ \
__asm( "ldx pxCurrentTCB" ); \ __asm( "ldx pxCurrentTCB" ); \
@ -172,7 +173,7 @@ typedef unsigned char UBaseType_t;
#define portSAVE_CONTEXT() \ #define portSAVE_CONTEXT() \
{ \ { \
extern volatile void * pxCurrentTCB; \ extern volatile void * pxCurrentTCB; \
extern volatile UBaseType_t uxCriticalNesting; \ extern volatile UBaseType_t uxCriticalNesting; \
\ \
__asm( "ldaa uxCriticalNesting" ); \ __asm( "ldaa uxCriticalNesting" ); \

97
portable/Common/mpu_wrappers.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*
@ -141,7 +142,7 @@ void vPortResetPrivilege( BaseType_t xRunningPrivileged )
StaticTask_t * const pxTaskBuffer ) /* FREERTOS_SYSTEM_CALL */ StaticTask_t * const pxTaskBuffer ) /* FREERTOS_SYSTEM_CALL */
{ {
TaskHandle_t xReturn; TaskHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xTaskCreateStatic( pxTaskCode, pcName, ulStackDepth, pvParameters, uxPriority, puxStackBuffer, pxTaskBuffer ); xReturn = xTaskCreateStatic( pxTaskCode, pcName, ulStackDepth, pvParameters, uxPriority, puxStackBuffer, pxTaskBuffer );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -211,7 +212,7 @@ void MPU_vTaskAllocateMPURegions( TaskHandle_t xTask,
UBaseType_t MPU_uxTaskPriorityGet( const TaskHandle_t pxTask ) /* FREERTOS_SYSTEM_CALL */ UBaseType_t MPU_uxTaskPriorityGet( const TaskHandle_t pxTask ) /* FREERTOS_SYSTEM_CALL */
{ {
UBaseType_t uxReturn; UBaseType_t uxReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
uxReturn = uxTaskPriorityGet( pxTask ); uxReturn = uxTaskPriorityGet( pxTask );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -263,7 +264,7 @@ void MPU_vTaskAllocateMPURegions( TaskHandle_t xTask,
TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ) /* FREERTOS_SYSTEM_CALL */ TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ) /* FREERTOS_SYSTEM_CALL */
{ {
TaskHandle_t xReturn; TaskHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xTaskGetIdleTaskHandle(); xReturn = xTaskGetIdleTaskHandle();
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -328,7 +329,7 @@ TickType_t MPU_xTaskGetTickCount( void ) /* FREERTOS_SYSTEM_CALL */
UBaseType_t MPU_uxTaskGetNumberOfTasks( void ) /* FREERTOS_SYSTEM_CALL */ UBaseType_t MPU_uxTaskGetNumberOfTasks( void ) /* FREERTOS_SYSTEM_CALL */
{ {
UBaseType_t uxReturn; UBaseType_t uxReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
uxReturn = uxTaskGetNumberOfTasks(); uxReturn = uxTaskGetNumberOfTasks();
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -338,7 +339,7 @@ UBaseType_t MPU_uxTaskGetNumberOfTasks( void ) /* FREERTOS_SYSTEM_CALL */
char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) /* FREERTOS_SYSTEM_CALL */ char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) /* FREERTOS_SYSTEM_CALL */
{ {
char * pcReturn; char * pcReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
pcReturn = pcTaskGetName( xTaskToQuery ); pcReturn = pcTaskGetName( xTaskToQuery );
@ -351,7 +352,7 @@ char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) /* FREERTOS_SYSTEM_CALL */
TaskHandle_t MPU_xTaskGetHandle( const char * pcNameToQuery ) /* FREERTOS_SYSTEM_CALL */ TaskHandle_t MPU_xTaskGetHandle( const char * pcNameToQuery ) /* FREERTOS_SYSTEM_CALL */
{ {
TaskHandle_t xReturn; TaskHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xTaskGetHandle( pcNameToQuery ); xReturn = xTaskGetHandle( pcNameToQuery );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -385,7 +386,7 @@ char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) /* FREERTOS_SYSTEM_CALL */
#if ( ( configGENERATE_RUN_TIME_STATS == 1 ) && ( INCLUDE_xTaskGetIdleTaskHandle == 1 ) ) #if ( ( configGENERATE_RUN_TIME_STATS == 1 ) && ( INCLUDE_xTaskGetIdleTaskHandle == 1 ) )
uint32_t MPU_ulTaskGetIdleRunTimeCounter( void ) /* FREERTOS_SYSTEM_CALL */ uint32_t MPU_ulTaskGetIdleRunTimeCounter( void ) /* FREERTOS_SYSTEM_CALL */
{ {
uint32_t xReturn; uint32_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = ulTaskGetIdleRunTimeCounter(); xReturn = ulTaskGetIdleRunTimeCounter();
@ -411,7 +412,7 @@ char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) /* FREERTOS_SYSTEM_CALL */
TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */ TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */
{ {
TaskHookFunction_t xReturn; TaskHookFunction_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xTaskGetApplicationTaskTag( xTask ); xReturn = xTaskGetApplicationTaskTag( xTask );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -437,7 +438,7 @@ char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) /* FREERTOS_SYSTEM_CALL */
void * MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, void * MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery,
BaseType_t xIndex ) /* FREERTOS_SYSTEM_CALL */ BaseType_t xIndex ) /* FREERTOS_SYSTEM_CALL */
{ {
void * pvReturn; void * pvReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
pvReturn = pvTaskGetThreadLocalStoragePointer( xTaskToQuery, xIndex ); pvReturn = pvTaskGetThreadLocalStoragePointer( xTaskToQuery, xIndex );
@ -467,7 +468,7 @@ char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) /* FREERTOS_SYSTEM_CALL */
uint32_t * pulTotalRunTime ) /* FREERTOS_SYSTEM_CALL */ uint32_t * pulTotalRunTime ) /* FREERTOS_SYSTEM_CALL */
{ {
UBaseType_t uxReturn; UBaseType_t uxReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
uxReturn = uxTaskGetSystemState( pxTaskStatusArray, uxArraySize, pulTotalRunTime ); uxReturn = uxTaskGetSystemState( pxTaskStatusArray, uxArraySize, pulTotalRunTime );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -491,7 +492,7 @@ BaseType_t MPU_xTaskCatchUpTicks( TickType_t xTicksToCatchUp ) /* FREERTOS_SYSTE
UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */ UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */
{ {
UBaseType_t uxReturn; UBaseType_t uxReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
uxReturn = uxTaskGetStackHighWaterMark( xTask ); uxReturn = uxTaskGetStackHighWaterMark( xTask );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -504,7 +505,7 @@ BaseType_t MPU_xTaskCatchUpTicks( TickType_t xTicksToCatchUp ) /* FREERTOS_SYSTE
configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */ configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */
{ {
configSTACK_DEPTH_TYPE uxReturn; configSTACK_DEPTH_TYPE uxReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
uxReturn = uxTaskGetStackHighWaterMark2( xTask ); uxReturn = uxTaskGetStackHighWaterMark2( xTask );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -517,7 +518,7 @@ BaseType_t MPU_xTaskCatchUpTicks( TickType_t xTicksToCatchUp ) /* FREERTOS_SYSTE
TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ) /* FREERTOS_SYSTEM_CALL */ TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ) /* FREERTOS_SYSTEM_CALL */
{ {
TaskHandle_t xReturn; TaskHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xTaskGetCurrentTaskHandle(); xReturn = xTaskGetCurrentTaskHandle();
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -599,7 +600,7 @@ BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut,
BaseType_t xClearCountOnExit, BaseType_t xClearCountOnExit,
TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */
{ {
uint32_t ulReturn; uint32_t ulReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
ulReturn = ulTaskGenericNotifyTake( uxIndexToWaitOn, xClearCountOnExit, xTicksToWait ); ulReturn = ulTaskGenericNotifyTake( uxIndexToWaitOn, xClearCountOnExit, xTicksToWait );
@ -628,7 +629,7 @@ BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut,
UBaseType_t uxIndexToClear, UBaseType_t uxIndexToClear,
uint32_t ulBitsToClear ) /* FREERTOS_SYSTEM_CALL */ uint32_t ulBitsToClear ) /* FREERTOS_SYSTEM_CALL */
{ {
uint32_t ulReturn; uint32_t ulReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
ulReturn = ulTaskGenericNotifyValueClear( xTask, uxIndexToClear, ulBitsToClear ); ulReturn = ulTaskGenericNotifyValueClear( xTask, uxIndexToClear, ulBitsToClear );
@ -644,7 +645,7 @@ BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut,
uint8_t ucQueueType ) /* FREERTOS_SYSTEM_CALL */ uint8_t ucQueueType ) /* FREERTOS_SYSTEM_CALL */
{ {
QueueHandle_t xReturn; QueueHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xQueueGenericCreate( uxQueueLength, uxItemSize, ucQueueType ); xReturn = xQueueGenericCreate( uxQueueLength, uxItemSize, ucQueueType );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -661,7 +662,7 @@ BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut,
const uint8_t ucQueueType ) /* FREERTOS_SYSTEM_CALL */ const uint8_t ucQueueType ) /* FREERTOS_SYSTEM_CALL */
{ {
QueueHandle_t xReturn; QueueHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xQueueGenericCreateStatic( uxQueueLength, uxItemSize, pucQueueStorage, pxStaticQueue, ucQueueType ); xReturn = xQueueGenericCreateStatic( uxQueueLength, uxItemSize, pucQueueStorage, pxStaticQueue, ucQueueType );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -698,7 +699,7 @@ BaseType_t MPU_xQueueGenericSend( QueueHandle_t xQueue,
UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t pxQueue ) /* FREERTOS_SYSTEM_CALL */ UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t pxQueue ) /* FREERTOS_SYSTEM_CALL */
{ {
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
UBaseType_t uxReturn; UBaseType_t uxReturn;
uxReturn = uxQueueMessagesWaiting( pxQueue ); uxReturn = uxQueueMessagesWaiting( pxQueue );
@ -709,7 +710,7 @@ UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t pxQueue ) /* FREERTO
UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */ UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
{ {
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
UBaseType_t uxReturn; UBaseType_t uxReturn;
uxReturn = uxQueueSpacesAvailable( xQueue ); uxReturn = uxQueueSpacesAvailable( xQueue );
@ -760,7 +761,7 @@ BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue,
TaskHandle_t MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ) /* FREERTOS_SYSTEM_CALL */ TaskHandle_t MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ) /* FREERTOS_SYSTEM_CALL */
{ {
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
void * xReturn; void * xReturn;
xReturn = xQueueGetMutexHolder( xSemaphore ); xReturn = xQueueGetMutexHolder( xSemaphore );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -773,7 +774,7 @@ BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue,
QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ) /* FREERTOS_SYSTEM_CALL */ QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ) /* FREERTOS_SYSTEM_CALL */
{ {
QueueHandle_t xReturn; QueueHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xQueueCreateMutex( ucQueueType ); xReturn = xQueueCreateMutex( ucQueueType );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -787,7 +788,7 @@ BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue,
StaticQueue_t * pxStaticQueue ) /* FREERTOS_SYSTEM_CALL */ StaticQueue_t * pxStaticQueue ) /* FREERTOS_SYSTEM_CALL */
{ {
QueueHandle_t xReturn; QueueHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xQueueCreateMutexStatic( ucQueueType, pxStaticQueue ); xReturn = xQueueCreateMutexStatic( ucQueueType, pxStaticQueue );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -801,7 +802,7 @@ BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue,
UBaseType_t uxInitialCount ) /* FREERTOS_SYSTEM_CALL */ UBaseType_t uxInitialCount ) /* FREERTOS_SYSTEM_CALL */
{ {
QueueHandle_t xReturn; QueueHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xQueueCreateCountingSemaphore( uxCountValue, uxInitialCount ); xReturn = xQueueCreateCountingSemaphore( uxCountValue, uxInitialCount );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -817,7 +818,7 @@ BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue,
StaticQueue_t * pxStaticQueue ) /* FREERTOS_SYSTEM_CALL */ StaticQueue_t * pxStaticQueue ) /* FREERTOS_SYSTEM_CALL */
{ {
QueueHandle_t xReturn; QueueHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xQueueCreateCountingSemaphoreStatic( uxMaxCount, uxInitialCount, pxStaticQueue ); xReturn = xQueueCreateCountingSemaphoreStatic( uxMaxCount, uxInitialCount, pxStaticQueue );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -857,7 +858,7 @@ BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue,
QueueSetHandle_t MPU_xQueueCreateSet( UBaseType_t uxEventQueueLength ) /* FREERTOS_SYSTEM_CALL */ QueueSetHandle_t MPU_xQueueCreateSet( UBaseType_t uxEventQueueLength ) /* FREERTOS_SYSTEM_CALL */
{ {
QueueSetHandle_t xReturn; QueueSetHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xQueueCreateSet( uxEventQueueLength ); xReturn = xQueueCreateSet( uxEventQueueLength );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -871,7 +872,7 @@ BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue,
TickType_t xBlockTimeTicks ) /* FREERTOS_SYSTEM_CALL */ TickType_t xBlockTimeTicks ) /* FREERTOS_SYSTEM_CALL */
{ {
QueueSetMemberHandle_t xReturn; QueueSetMemberHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xQueueSelectFromSet( xQueueSet, xBlockTimeTicks ); xReturn = xQueueSelectFromSet( xQueueSet, xBlockTimeTicks );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -936,7 +937,7 @@ BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue,
#if configQUEUE_REGISTRY_SIZE > 0 #if configQUEUE_REGISTRY_SIZE > 0
const char * MPU_pcQueueGetName( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */ const char * MPU_pcQueueGetName( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
{ {
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
const char * pcReturn; const char * pcReturn;
pcReturn = pcQueueGetName( xQueue ); pcReturn = pcQueueGetName( xQueue );
@ -960,7 +961,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
#if ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) #if ( configSUPPORT_DYNAMIC_ALLOCATION == 1 )
void * MPU_pvPortMalloc( size_t xSize ) /* FREERTOS_SYSTEM_CALL */ void * MPU_pvPortMalloc( size_t xSize ) /* FREERTOS_SYSTEM_CALL */
{ {
void * pvReturn; void * pvReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
pvReturn = pvPortMalloc( xSize ); pvReturn = pvPortMalloc( xSize );
@ -999,7 +1000,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
#if ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) #if ( configSUPPORT_DYNAMIC_ALLOCATION == 1 )
size_t MPU_xPortGetFreeHeapSize( void ) /* FREERTOS_SYSTEM_CALL */ size_t MPU_xPortGetFreeHeapSize( void ) /* FREERTOS_SYSTEM_CALL */
{ {
size_t xReturn; size_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xPortGetFreeHeapSize(); xReturn = xPortGetFreeHeapSize();
@ -1019,7 +1020,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
TimerCallbackFunction_t pxCallbackFunction ) /* FREERTOS_SYSTEM_CALL */ TimerCallbackFunction_t pxCallbackFunction ) /* FREERTOS_SYSTEM_CALL */
{ {
TimerHandle_t xReturn; TimerHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xTimerCreate( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction ); xReturn = xTimerCreate( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1038,7 +1039,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
StaticTimer_t * pxTimerBuffer ) /* FREERTOS_SYSTEM_CALL */ StaticTimer_t * pxTimerBuffer ) /* FREERTOS_SYSTEM_CALL */
{ {
TimerHandle_t xReturn; TimerHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xTimerCreateStatic( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxTimerBuffer ); xReturn = xTimerCreateStatic( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxTimerBuffer );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1051,7 +1052,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
#if ( configUSE_TIMERS == 1 ) #if ( configUSE_TIMERS == 1 )
void * MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ) /* FREERTOS_SYSTEM_CALL */ void * MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ) /* FREERTOS_SYSTEM_CALL */
{ {
void * pvReturn; void * pvReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
pvReturn = pvTimerGetTimerID( xTimer ); pvReturn = pvTimerGetTimerID( xTimer );
@ -1092,7 +1093,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ) /* FREERTOS_SYSTEM_CALL */ TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ) /* FREERTOS_SYSTEM_CALL */
{ {
TaskHandle_t xReturn; TaskHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xTimerGetTimerDaemonTaskHandle(); xReturn = xTimerGetTimerDaemonTaskHandle();
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1134,7 +1135,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
#if ( configUSE_TIMERS == 1 ) #if ( configUSE_TIMERS == 1 )
UBaseType_t MPU_uxTimerGetReloadMode( TimerHandle_t xTimer ) UBaseType_t MPU_uxTimerGetReloadMode( TimerHandle_t xTimer )
{ {
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
UBaseType_t uxReturn; UBaseType_t uxReturn;
uxReturn = uxTimerGetReloadMode( xTimer ); uxReturn = uxTimerGetReloadMode( xTimer );
@ -1148,7 +1149,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
const char * MPU_pcTimerGetName( TimerHandle_t xTimer ) /* FREERTOS_SYSTEM_CALL */ const char * MPU_pcTimerGetName( TimerHandle_t xTimer ) /* FREERTOS_SYSTEM_CALL */
{ {
const char * pcReturn; const char * pcReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
pcReturn = pcTimerGetName( xTimer ); pcReturn = pcTimerGetName( xTimer );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1208,7 +1209,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
EventGroupHandle_t MPU_xEventGroupCreate( void ) /* FREERTOS_SYSTEM_CALL */ EventGroupHandle_t MPU_xEventGroupCreate( void ) /* FREERTOS_SYSTEM_CALL */
{ {
EventGroupHandle_t xReturn; EventGroupHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xEventGroupCreate(); xReturn = xEventGroupCreate();
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1222,7 +1223,7 @@ void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */
EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t * pxEventGroupBuffer ) /* FREERTOS_SYSTEM_CALL */ EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t * pxEventGroupBuffer ) /* FREERTOS_SYSTEM_CALL */
{ {
EventGroupHandle_t xReturn; EventGroupHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xEventGroupCreateStatic( pxEventGroupBuffer ); xReturn = xEventGroupCreateStatic( pxEventGroupBuffer );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1239,7 +1240,7 @@ EventBits_t MPU_xEventGroupWaitBits( EventGroupHandle_t xEventGroup,
TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */
{ {
EventBits_t xReturn; EventBits_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xEventGroupWaitBits( xEventGroup, uxBitsToWaitFor, xClearOnExit, xWaitForAllBits, xTicksToWait ); xReturn = xEventGroupWaitBits( xEventGroup, uxBitsToWaitFor, xClearOnExit, xWaitForAllBits, xTicksToWait );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1252,7 +1253,7 @@ EventBits_t MPU_xEventGroupClearBits( EventGroupHandle_t xEventGroup,
const EventBits_t uxBitsToClear ) /* FREERTOS_SYSTEM_CALL */ const EventBits_t uxBitsToClear ) /* FREERTOS_SYSTEM_CALL */
{ {
EventBits_t xReturn; EventBits_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xEventGroupClearBits( xEventGroup, uxBitsToClear ); xReturn = xEventGroupClearBits( xEventGroup, uxBitsToClear );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1265,7 +1266,7 @@ EventBits_t MPU_xEventGroupSetBits( EventGroupHandle_t xEventGroup,
const EventBits_t uxBitsToSet ) /* FREERTOS_SYSTEM_CALL */ const EventBits_t uxBitsToSet ) /* FREERTOS_SYSTEM_CALL */
{ {
EventBits_t xReturn; EventBits_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xEventGroupSetBits( xEventGroup, uxBitsToSet ); xReturn = xEventGroupSetBits( xEventGroup, uxBitsToSet );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1280,7 +1281,7 @@ EventBits_t MPU_xEventGroupSync( EventGroupHandle_t xEventGroup,
TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */
{ {
EventBits_t xReturn; EventBits_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xEventGroupSync( xEventGroup, uxBitsToSet, uxBitsToWaitFor, xTicksToWait ); xReturn = xEventGroupSync( xEventGroup, uxBitsToSet, uxBitsToWaitFor, xTicksToWait );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1303,7 +1304,7 @@ size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer,
size_t xDataLengthBytes, size_t xDataLengthBytes,
TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */
{ {
size_t xReturn; size_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xStreamBufferSend( xStreamBuffer, pvTxData, xDataLengthBytes, xTicksToWait ); xReturn = xStreamBufferSend( xStreamBuffer, pvTxData, xDataLengthBytes, xTicksToWait );
@ -1315,7 +1316,7 @@ size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer,
size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */
{ {
size_t xReturn; size_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xStreamBufferNextMessageLengthBytes( xStreamBuffer ); xReturn = xStreamBufferNextMessageLengthBytes( xStreamBuffer );
@ -1330,7 +1331,7 @@ size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer,
size_t xBufferLengthBytes, size_t xBufferLengthBytes,
TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */
{ {
size_t xReturn; size_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xStreamBufferReceive( xStreamBuffer, pvRxData, xBufferLengthBytes, xTicksToWait ); xReturn = xStreamBufferReceive( xStreamBuffer, pvRxData, xBufferLengthBytes, xTicksToWait );
@ -1387,7 +1388,7 @@ BaseType_t MPU_xStreamBufferReset( StreamBufferHandle_t xStreamBuffer ) /* FREER
size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */
{ {
size_t xReturn; size_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xStreamBufferSpacesAvailable( xStreamBuffer ); xReturn = xStreamBufferSpacesAvailable( xStreamBuffer );
@ -1399,7 +1400,7 @@ size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ) /*
size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */
{ {
size_t xReturn; size_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xStreamBufferBytesAvailable( xStreamBuffer ); xReturn = xStreamBufferBytesAvailable( xStreamBuffer );
@ -1428,7 +1429,7 @@ BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer,
BaseType_t xIsMessageBuffer ) /* FREERTOS_SYSTEM_CALL */ BaseType_t xIsMessageBuffer ) /* FREERTOS_SYSTEM_CALL */
{ {
StreamBufferHandle_t xReturn; StreamBufferHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xStreamBufferGenericCreate( xBufferSizeBytes, xTriggerLevelBytes, xIsMessageBuffer ); xReturn = xStreamBufferGenericCreate( xBufferSizeBytes, xTriggerLevelBytes, xIsMessageBuffer );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );
@ -1446,7 +1447,7 @@ BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer,
StaticStreamBuffer_t * const pxStaticStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ StaticStreamBuffer_t * const pxStaticStreamBuffer ) /* FREERTOS_SYSTEM_CALL */
{ {
StreamBufferHandle_t xReturn; StreamBufferHandle_t xReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xRunningPrivileged = xPortRaisePrivilege();
xReturn = xStreamBufferGenericCreateStatic( xBufferSizeBytes, xTriggerLevelBytes, xIsMessageBuffer, pucStreamBufferStorageArea, pxStaticStreamBuffer ); xReturn = xStreamBufferGenericCreateStatic( xBufferSizeBytes, xTriggerLevelBytes, xIsMessageBuffer, pucStreamBufferStorageArea, pxStaticStreamBuffer );
vPortResetPrivilege( xRunningPrivileged ); vPortResetPrivilege( xRunningPrivileged );

19
portable/GCC/ARM7_AT91FR40008/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -179,16 +180,16 @@ static void prvSetupTimerInterrupt( void )
volatile uint32_t ulDummy; volatile uint32_t ulDummy;
/* Enable clock to the tick timer... */ /* Enable clock to the tick timer... */
AT91C_BASE_PS->PS_PCER = portTIMER_CLK_ENABLE_BIT; AT91C_BASE_PS->PS_PCER = portTIMER_CLK_ENABLE_BIT;
/* Stop the tick timer... */ /* Stop the tick timer... */
portTIMER_REG_BASE_PTR->TC_CCR = TC_CLKDIS; portTIMER_REG_BASE_PTR->TC_CCR = TC_CLKDIS;
/* Start with tick timer interrupts disabled... */ /* Start with tick timer interrupts disabled... */
portTIMER_REG_BASE_PTR->TC_IDR = 0xFFFFFFFF; portTIMER_REG_BASE_PTR->TC_IDR = 0xFFFFFFFF;
/* Clear any pending tick timer interrupts... */ /* Clear any pending tick timer interrupts... */
ulDummy = portTIMER_REG_BASE_PTR->TC_SR; ulDummy = portTIMER_REG_BASE_PTR->TC_SR;
/* Store interrupt handler function address in tick timer vector register... /* Store interrupt handler function address in tick timer vector register...
* The ISR installed depends on whether the preemptive or cooperative * The ISR installed depends on whether the preemptive or cooperative
@ -211,10 +212,10 @@ static void prvSetupTimerInterrupt( void )
/* Enable the tick timer interrupt... /* Enable the tick timer interrupt...
* *
* First at timer level */ * First at timer level */
portTIMER_REG_BASE_PTR->TC_IER = TC_CPCS; portTIMER_REG_BASE_PTR->TC_IER = TC_CPCS;
/* Then at the AIC level. */ /* Then at the AIC level. */
AT91C_BASE_AIC->AIC_IECR = ( 1 << portTIMER_AIC_CHANNEL ); AT91C_BASE_AIC->AIC_IECR = ( 1 << portTIMER_AIC_CHANNEL );
/* Calculate timer compare value to achieve the desired tick rate... */ /* Calculate timer compare value to achieve the desired tick rate... */
if( ( configCPU_CLOCK_HZ / ( configTICK_RATE_HZ * 2 ) ) <= 0xFFFF ) if( ( configCPU_CLOCK_HZ / ( configTICK_RATE_HZ * 2 ) ) <= 0xFFFF )
@ -222,17 +223,17 @@ static void prvSetupTimerInterrupt( void )
/* The tick rate is fast enough for us to use the faster timer input /* The tick rate is fast enough for us to use the faster timer input
* clock (main clock / 2). */ * clock (main clock / 2). */
portTIMER_REG_BASE_PTR->TC_CMR = TC_WAVE | TC_CLKS_MCK2 | TC_BURST_NONE | TC_CPCTRG; portTIMER_REG_BASE_PTR->TC_CMR = TC_WAVE | TC_CLKS_MCK2 | TC_BURST_NONE | TC_CPCTRG;
portTIMER_REG_BASE_PTR->TC_RC = configCPU_CLOCK_HZ / ( configTICK_RATE_HZ * 2 ); portTIMER_REG_BASE_PTR->TC_RC = configCPU_CLOCK_HZ / ( configTICK_RATE_HZ * 2 );
} }
else else
{ {
/* We must use a slower timer input clock (main clock / 8) because the /* We must use a slower timer input clock (main clock / 8) because the
* tick rate is too slow for the faster input clock. */ * tick rate is too slow for the faster input clock. */
portTIMER_REG_BASE_PTR->TC_CMR = TC_WAVE | TC_CLKS_MCK8 | TC_BURST_NONE | TC_CPCTRG; portTIMER_REG_BASE_PTR->TC_CMR = TC_WAVE | TC_CLKS_MCK8 | TC_BURST_NONE | TC_CPCTRG;
portTIMER_REG_BASE_PTR->TC_RC = configCPU_CLOCK_HZ / ( configTICK_RATE_HZ * 8 ); portTIMER_REG_BASE_PTR->TC_RC = configCPU_CLOCK_HZ / ( configTICK_RATE_HZ * 8 );
} }
/* Start tick timer... */ /* Start tick timer... */
portTIMER_REG_BASE_PTR->TC_CCR = TC_SWTRG | TC_CLKEN; portTIMER_REG_BASE_PTR->TC_CCR = TC_SWTRG | TC_CLKEN;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

5
portable/GCC/ARM7_AT91FR40008/portISR.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -111,7 +112,7 @@ void vPortYieldProcessor( void )
static volatile uint32_t ulDummy; static volatile uint32_t ulDummy;
/* Clear tick timer interrupt indication. */ /* Clear tick timer interrupt indication. */
ulDummy = portTIMER_REG_BASE_PTR->TC_SR; ulDummy = portTIMER_REG_BASE_PTR->TC_SR;
xTaskIncrementTick(); xTaskIncrementTick();
@ -134,7 +135,7 @@ void vPortYieldProcessor( void )
static volatile uint32_t ulDummy; static volatile uint32_t ulDummy;
/* Clear tick timer interrupt indication. */ /* Clear tick timer interrupt indication. */
ulDummy = portTIMER_REG_BASE_PTR->TC_SR; ulDummy = portTIMER_REG_BASE_PTR->TC_SR;
/* Increment the RTOS tick count, then look for the highest priority /* Increment the RTOS tick count, then look for the highest priority
* task that is ready to run. */ * task that is ready to run. */

5
portable/GCC/ARM7_AT91FR40008/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*
@ -115,7 +116,7 @@
#define portRESTORE_CONTEXT() \ #define portRESTORE_CONTEXT() \
{ \ { \
extern volatile void * volatile pxCurrentTCB; \ extern volatile void * volatile pxCurrentTCB; \
extern volatile uint32_t ulCriticalNesting; \ extern volatile uint32_t ulCriticalNesting; \
\ \
/* Set the LR to the task stack. */ \ /* Set the LR to the task stack. */ \
asm volatile ( \ asm volatile ( \
@ -152,7 +153,7 @@
#define portSAVE_CONTEXT() \ #define portSAVE_CONTEXT() \
{ \ { \
extern volatile void * volatile pxCurrentTCB; \ extern volatile void * volatile pxCurrentTCB; \
extern volatile uint32_t ulCriticalNesting; \ extern volatile uint32_t ulCriticalNesting; \
\ \
/* Push R0 as we are going to use the register. */ \ /* Push R0 as we are going to use the register. */ \
asm volatile ( \ asm volatile ( \

6
portable/GCC/ARM7_AT91SAM7S/AT91SAM7X256.h
View file

@ -2744,15 +2744,15 @@ typedef struct _AT91S_TDES
{ \ { \
unsigned int mask; \ unsigned int mask; \
\ \
mask = 0x1 << irq_id; \ mask = 0x1 << irq_id; \
/* Disable the interrupt on the interrupt controller */ \ /* Disable the interrupt on the interrupt controller */ \
AT91C_BASE_AIC->AIC_IDCR = mask; \ AT91C_BASE_AIC->AIC_IDCR = mask; \
/* Save the interrupt handler routine pointer and the interrupt priority */ \ /* Save the interrupt handler routine pointer and the interrupt priority */ \
AT91C_BASE_AIC->AIC_SVR[ irq_id ] = ( unsigned int ) newHandler; \ AT91C_BASE_AIC->AIC_SVR[ irq_id ] = ( unsigned int ) newHandler; \
/* Store the Source Mode Register */ \ /* Store the Source Mode Register */ \
AT91C_BASE_AIC->AIC_SMR[ irq_id ] = src_type | priority; \ AT91C_BASE_AIC->AIC_SMR[ irq_id ] = src_type | priority; \
/* Clear the interrupt on the interrupt controller */ \ /* Clear the interrupt on the interrupt controller */ \
AT91C_BASE_AIC->AIC_ICCR = mask; \ AT91C_BASE_AIC->AIC_ICCR = mask; \
} }

470
portable/GCC/ARM7_AT91SAM7S/ioat91sam7x256.h
View file

@ -2753,46 +2753,46 @@ typedef struct _AT91S_TDES
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- AIC_SMR : (AIC Offset: 0x0) Control Register -------- */ /* - -------- AIC_SMR : (AIC Offset: 0x0) Control Register -------- */
#if 0 /*_RB_*/ #if 0 /*_RB_*/
AT91C_AIC_PRIOR EQU( 0x7 << 0 ); AT91C_AIC_PRIOR EQU( 0x7 << 0 );
- ( AIC ) Priority Level - ( AIC ) Priority Level
AT91C_AIC_PRIOR_LOWEST EQU( 0x0 ); AT91C_AIC_PRIOR_LOWEST EQU( 0x0 );
- ( AIC ) Lowest priority level - ( AIC ) Lowest priority level
AT91C_AIC_PRIOR_HIGHEST EQU( 0x7 ); AT91C_AIC_PRIOR_HIGHEST EQU( 0x7 );
- ( AIC ) Highest priority level - ( AIC ) Highest priority level
AT91C_AIC_SRCTYPE EQU( 0x3 << 5 ); AT91C_AIC_SRCTYPE EQU( 0x3 << 5 );
- ( AIC ) Interrupt Source Type - ( AIC ) Interrupt Source Type
AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL EQU( 0x0 << 5 ); AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL EQU( 0x0 << 5 );
- ( AIC ) Internal Sources Code Label High - level Sensitive - ( AIC ) Internal Sources Code Label High - level Sensitive
AT91C_AIC_SRCTYPE_EXT_LOW_LEVEL EQU( 0x0 << 5 ); AT91C_AIC_SRCTYPE_EXT_LOW_LEVEL EQU( 0x0 << 5 );
- ( AIC ) External Sources Code Label Low - level Sensitive - ( AIC ) External Sources Code Label Low - level Sensitive
AT91C_AIC_SRCTYPE_INT_POSITIVE_EDGE EQU( 0x1 << 5 ); AT91C_AIC_SRCTYPE_INT_POSITIVE_EDGE EQU( 0x1 << 5 );
- ( AIC ) Internal Sources Code Label Positive Edge triggered - ( AIC ) Internal Sources Code Label Positive Edge triggered
AT91C_AIC_SRCTYPE_EXT_NEGATIVE_EDGE EQU( 0x1 << 5 ); AT91C_AIC_SRCTYPE_EXT_NEGATIVE_EDGE EQU( 0x1 << 5 );
- ( AIC ) External Sources Code Label Negative Edge triggered - ( AIC ) External Sources Code Label Negative Edge triggered
AT91C_AIC_SRCTYPE_HIGH_LEVEL EQU( 0x2 << 5 ); AT91C_AIC_SRCTYPE_HIGH_LEVEL EQU( 0x2 << 5 );
- ( AIC ) Internal Or External Sources Code Label High - level Sensitive - ( AIC ) Internal Or External Sources Code Label High - level Sensitive
AT91C_AIC_SRCTYPE_POSITIVE_EDGE EQU( 0x3 << 5 ); AT91C_AIC_SRCTYPE_POSITIVE_EDGE EQU( 0x3 << 5 );
- ( AIC ) Internal Or External Sources Code Label Positive Edge triggered - ( AIC ) Internal Or External Sources Code Label Positive Edge triggered
/* - -------- AIC_CISR : (AIC Offset: 0x114) AIC Core Interrupt Status Register -------- */ /* - -------- AIC_CISR : (AIC Offset: 0x114) AIC Core Interrupt Status Register -------- */
AT91C_AIC_NFIQ EQU( 0x1 << 0 ); AT91C_AIC_NFIQ EQU( 0x1 << 0 );
- ( AIC ) NFIQ Status - ( AIC ) NFIQ Status
AT91C_AIC_NIRQ EQU( 0x1 << 1 ); AT91C_AIC_NIRQ EQU( 0x1 << 1 );
- ( AIC ) NIRQ Status - ( AIC ) NIRQ Status
/* - -------- AIC_DCR : (AIC Offset: 0x138) AIC Debug Control Register (Protect) -------- */ /* - -------- AIC_DCR : (AIC Offset: 0x138) AIC Debug Control Register (Protect) -------- */
AT91C_AIC_DCR_PROT EQU( 0x1 << 0 ); AT91C_AIC_DCR_PROT EQU( 0x1 << 0 );
- ( AIC ) Protection Mode - ( AIC ) Protection Mode
AT91C_AIC_DCR_GMSK EQU( 0x1 << 1 ); AT91C_AIC_DCR_GMSK EQU( 0x1 << 1 );
- ( AIC ) General Mask - ( AIC ) General Mask
#endif /* if 0 */ #endif /* if 0 */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - SOFTWARE API DEFINITION FOR Peripheral DMA Controller */ /* - SOFTWARE API DEFINITION FOR Peripheral DMA Controller */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- PDC_PTCR : (PDC Offset: 0x20) PDC Transfer Control Register -------- */ /* - -------- PDC_PTCR : (PDC Offset: 0x20) PDC Transfer Control Register -------- */
AT91C_PDC_RXTEN EQU( 0x1 << 0 ); AT91C_PDC_RXTEN EQU( 0x1 << 0 );
- ( PDC ) Receiver Transfer Enable - ( PDC ) Receiver Transfer Enable
AT91C_PDC_RXTDIS EQU( 0x1 << 1 ); AT91C_PDC_RXTDIS EQU( 0x1 << 1 );
- ( PDC ) Receiver Transfer Disable - ( PDC ) Receiver Transfer Disable
AT91C_PDC_TXTEN EQU( 0x1 << 8 ); AT91C_PDC_TXTEN EQU( 0x1 << 8 );
- ( PDC ) Transmitter Transfer Enable - ( PDC ) Transmitter Transfer Enable
AT91C_PDC_TXTDIS EQU( 0x1 << 9 ); AT91C_PDC_TXTDIS EQU( 0x1 << 9 );
- ( PDC ) Transmitter Transfer Disable - ( PDC ) Transmitter Transfer Disable
@ -2802,69 +2802,69 @@ AT91C_PDC_RXTEN EQU( 0x1 << 0 );
/* - SOFTWARE API DEFINITION FOR Debug Unit */ /* - SOFTWARE API DEFINITION FOR Debug Unit */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- DBGU_CR : (DBGU Offset: 0x0) Debug Unit Control Register -------- */ /* - -------- DBGU_CR : (DBGU Offset: 0x0) Debug Unit Control Register -------- */
AT91C_US_RSTRX EQU( 0x1 << 2 ); AT91C_US_RSTRX EQU( 0x1 << 2 );
- ( DBGU ) Reset Receiver - ( DBGU ) Reset Receiver
AT91C_US_RSTTX EQU( 0x1 << 3 ); AT91C_US_RSTTX EQU( 0x1 << 3 );
- ( DBGU ) Reset Transmitter - ( DBGU ) Reset Transmitter
AT91C_US_RXEN EQU( 0x1 << 4 ); AT91C_US_RXEN EQU( 0x1 << 4 );
- ( DBGU ) Receiver Enable - ( DBGU ) Receiver Enable
AT91C_US_RXDIS EQU( 0x1 << 5 ); AT91C_US_RXDIS EQU( 0x1 << 5 );
- ( DBGU ) Receiver Disable - ( DBGU ) Receiver Disable
AT91C_US_TXEN EQU( 0x1 << 6 ); AT91C_US_TXEN EQU( 0x1 << 6 );
- ( DBGU ) Transmitter Enable - ( DBGU ) Transmitter Enable
AT91C_US_TXDIS EQU( 0x1 << 7 ); AT91C_US_TXDIS EQU( 0x1 << 7 );
- ( DBGU ) Transmitter Disable - ( DBGU ) Transmitter Disable
AT91C_US_RSTSTA EQU( 0x1 << 8 ); AT91C_US_RSTSTA EQU( 0x1 << 8 );
- ( DBGU ) Reset Status Bits - ( DBGU ) Reset Status Bits
/* - -------- DBGU_MR : (DBGU Offset: 0x4) Debug Unit Mode Register -------- */ /* - -------- DBGU_MR : (DBGU Offset: 0x4) Debug Unit Mode Register -------- */
AT91C_US_PAR EQU( 0x7 << 9 ); AT91C_US_PAR EQU( 0x7 << 9 );
- ( DBGU ) Parity type - ( DBGU ) Parity type
AT91C_US_PAR_EVEN EQU( 0x0 << 9 ); AT91C_US_PAR_EVEN EQU( 0x0 << 9 );
- ( DBGU ) Even Parity - ( DBGU ) Even Parity
AT91C_US_PAR_ODD EQU( 0x1 << 9 ); AT91C_US_PAR_ODD EQU( 0x1 << 9 );
- ( DBGU ) Odd Parity - ( DBGU ) Odd Parity
AT91C_US_PAR_SPACE EQU( 0x2 << 9 ); AT91C_US_PAR_SPACE EQU( 0x2 << 9 );
- ( DBGU ) Parity forced to 0 ( Space ) - ( DBGU ) Parity forced to 0 ( Space )
AT91C_US_PAR_MARK EQU( 0x3 << 9 ); AT91C_US_PAR_MARK EQU( 0x3 << 9 );
- ( DBGU ) Parity forced to 1 ( Mark ) - ( DBGU ) Parity forced to 1 ( Mark )
AT91C_US_PAR_NONE EQU( 0x4 << 9 ); AT91C_US_PAR_NONE EQU( 0x4 << 9 );
- ( DBGU ) No Parity - ( DBGU ) No Parity
AT91C_US_PAR_MULTI_DROP EQU( 0x6 << 9 ); AT91C_US_PAR_MULTI_DROP EQU( 0x6 << 9 );
- ( DBGU ) Multi - drop mode - ( DBGU ) Multi - drop mode
AT91C_US_CHMODE EQU( 0x3 << 14 ); AT91C_US_CHMODE EQU( 0x3 << 14 );
- ( DBGU ) Channel Mode - ( DBGU ) Channel Mode
AT91C_US_CHMODE_NORMAL EQU( 0x0 << 14 ); AT91C_US_CHMODE_NORMAL EQU( 0x0 << 14 );
- ( DBGU ) Normal Mode: The USART channel operates as an RX / TX USART. - ( DBGU ) Normal Mode: The USART channel operates as an RX / TX USART.
AT91C_US_CHMODE_AUTO EQU( 0x1 << 14 ); AT91C_US_CHMODE_AUTO EQU( 0x1 << 14 );
- ( DBGU ) Automatic Echo: Receiver Data Input is connected to the TXD pin. - ( DBGU ) Automatic Echo: Receiver Data Input is connected to the TXD pin.
AT91C_US_CHMODE_LOCAL EQU( 0x2 << 14 ); AT91C_US_CHMODE_LOCAL EQU( 0x2 << 14 );
- ( DBGU ) Local Loopback: Transmitter Output Signal is connected to Receiver Input Signal. - ( DBGU ) Local Loopback: Transmitter Output Signal is connected to Receiver Input Signal.
AT91C_US_CHMODE_REMOTE EQU( 0x3 << 14 ); AT91C_US_CHMODE_REMOTE EQU( 0x3 << 14 );
- ( DBGU ) Remote Loopback: RXD pin is internally connected to TXD pin. - ( DBGU ) Remote Loopback: RXD pin is internally connected to TXD pin.
/* - -------- DBGU_IER : (DBGU Offset: 0x8) Debug Unit Interrupt Enable Register -------- */ /* - -------- DBGU_IER : (DBGU Offset: 0x8) Debug Unit Interrupt Enable Register -------- */
AT91C_US_RXRDY EQU( 0x1 << 0 ); AT91C_US_RXRDY EQU( 0x1 << 0 );
- ( DBGU ) RXRDY Interrupt - ( DBGU ) RXRDY Interrupt
AT91C_US_TXRDY EQU( 0x1 << 1 ); AT91C_US_TXRDY EQU( 0x1 << 1 );
- ( DBGU ) TXRDY Interrupt - ( DBGU ) TXRDY Interrupt
AT91C_US_ENDRX EQU( 0x1 << 3 ); AT91C_US_ENDRX EQU( 0x1 << 3 );
- ( DBGU ) End of Receive Transfer Interrupt - ( DBGU ) End of Receive Transfer Interrupt
AT91C_US_ENDTX EQU( 0x1 << 4 ); AT91C_US_ENDTX EQU( 0x1 << 4 );
- ( DBGU ) End of Transmit Interrupt - ( DBGU ) End of Transmit Interrupt
AT91C_US_OVRE EQU( 0x1 << 5 ); AT91C_US_OVRE EQU( 0x1 << 5 );
- ( DBGU ) Overrun Interrupt - ( DBGU ) Overrun Interrupt
AT91C_US_FRAME EQU( 0x1 << 6 ); AT91C_US_FRAME EQU( 0x1 << 6 );
- ( DBGU ) Framing Error Interrupt - ( DBGU ) Framing Error Interrupt
AT91C_US_PARE EQU( 0x1 << 7 ); AT91C_US_PARE EQU( 0x1 << 7 );
- ( DBGU ) Parity Error Interrupt - ( DBGU ) Parity Error Interrupt
AT91C_US_TXEMPTY EQU( 0x1 << 9 ); AT91C_US_TXEMPTY EQU( 0x1 << 9 );
- ( DBGU ) TXEMPTY Interrupt - ( DBGU ) TXEMPTY Interrupt
AT91C_US_TXBUFE EQU( 0x1 << 11 ); AT91C_US_TXBUFE EQU( 0x1 << 11 );
- ( DBGU ) TXBUFE Interrupt - ( DBGU ) TXBUFE Interrupt
AT91C_US_RXBUFF EQU( 0x1 << 12 ); AT91C_US_RXBUFF EQU( 0x1 << 12 );
- ( DBGU ) RXBUFF Interrupt - ( DBGU ) RXBUFF Interrupt
AT91C_US_COMM_TX EQU( 0x1 << 30 ); AT91C_US_COMM_TX EQU( 0x1 << 30 );
- ( DBGU ) COMM_TX Interrupt - ( DBGU ) COMM_TX Interrupt
AT91C_US_COMM_RX EQU( 0x1 << 31 ); AT91C_US_COMM_RX EQU( 0x1 << 31 );
- ( DBGU ) COMM_RX Interrupt - ( DBGU ) COMM_RX Interrupt
/* - -------- DBGU_IDR : (DBGU Offset: 0xc) Debug Unit Interrupt Disable Register -------- */ /* - -------- DBGU_IDR : (DBGU Offset: 0xc) Debug Unit Interrupt Disable Register -------- */
/* - -------- DBGU_IMR : (DBGU Offset: 0x10) Debug Unit Interrupt Mask Register -------- */ /* - -------- DBGU_IMR : (DBGU Offset: 0x10) Debug Unit Interrupt Mask Register -------- */
@ -2881,54 +2881,54 @@ AT91C_PDC_RXTEN EQU( 0x1 << 0 );
/* - SOFTWARE API DEFINITION FOR Clock Generator Controler */ /* - SOFTWARE API DEFINITION FOR Clock Generator Controler */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- CKGR_MOR : (CKGR Offset: 0x0) Main Oscillator Register -------- */ /* - -------- CKGR_MOR : (CKGR Offset: 0x0) Main Oscillator Register -------- */
AT91C_CKGR_MOSCEN EQU( 0x1 << 0 ); AT91C_CKGR_MOSCEN EQU( 0x1 << 0 );
- ( CKGR ) Main Oscillator Enable - ( CKGR ) Main Oscillator Enable
AT91C_CKGR_OSCBYPASS EQU( 0x1 << 1 ); AT91C_CKGR_OSCBYPASS EQU( 0x1 << 1 );
- ( CKGR ) Main Oscillator Bypass - ( CKGR ) Main Oscillator Bypass
AT91C_CKGR_OSCOUNT EQU( 0xFF << 8 ); AT91C_CKGR_OSCOUNT EQU( 0xFF << 8 );
- ( CKGR ) Main Oscillator Start - up Time - ( CKGR ) Main Oscillator Start - up Time
/* - -------- CKGR_MCFR : (CKGR Offset: 0x4) Main Clock Frequency Register -------- */ /* - -------- CKGR_MCFR : (CKGR Offset: 0x4) Main Clock Frequency Register -------- */
AT91C_CKGR_MAINF EQU( 0xFFFF << 0 ); AT91C_CKGR_MAINF EQU( 0xFFFF << 0 );
- ( CKGR ) Main Clock Frequency - ( CKGR ) Main Clock Frequency
AT91C_CKGR_MAINRDY EQU( 0x1 << 16 ); AT91C_CKGR_MAINRDY EQU( 0x1 << 16 );
- ( CKGR ) Main Clock Ready - ( CKGR ) Main Clock Ready
/* - -------- CKGR_PLLR : (CKGR Offset: 0xc) PLL B Register -------- */ /* - -------- CKGR_PLLR : (CKGR Offset: 0xc) PLL B Register -------- */
AT91C_CKGR_DIV EQU( 0xFF << 0 ); AT91C_CKGR_DIV EQU( 0xFF << 0 );
- ( CKGR ) Divider Selected - ( CKGR ) Divider Selected
AT91C_CKGR_DIV_0 EQU( 0x0 ); AT91C_CKGR_DIV_0 EQU( 0x0 );
- ( CKGR ) Divider output is 0 - ( CKGR ) Divider output is 0
AT91C_CKGR_DIV_BYPASS EQU( 0x1 ); AT91C_CKGR_DIV_BYPASS EQU( 0x1 );
- ( CKGR ) Divider is bypassed - ( CKGR ) Divider is bypassed
AT91C_CKGR_PLLCOUNT EQU( 0x3F << 8 ); AT91C_CKGR_PLLCOUNT EQU( 0x3F << 8 );
- ( CKGR ) PLL Counter - ( CKGR ) PLL Counter
AT91C_CKGR_OUT EQU( 0x3 << 14 ); AT91C_CKGR_OUT EQU( 0x3 << 14 );
- ( CKGR ) PLL Output Frequency Range - ( CKGR ) PLL Output Frequency Range
AT91C_CKGR_OUT_0 EQU( 0x0 << 14 ); AT91C_CKGR_OUT_0 EQU( 0x0 << 14 );
- ( CKGR ) Please refer to the PLL datasheet - ( CKGR ) Please refer to the PLL datasheet
AT91C_CKGR_OUT_1 EQU( 0x1 << 14 ); AT91C_CKGR_OUT_1 EQU( 0x1 << 14 );
- ( CKGR ) Please refer to the PLL datasheet - ( CKGR ) Please refer to the PLL datasheet
AT91C_CKGR_OUT_2 EQU( 0x2 << 14 ); AT91C_CKGR_OUT_2 EQU( 0x2 << 14 );
- ( CKGR ) Please refer to the PLL datasheet - ( CKGR ) Please refer to the PLL datasheet
AT91C_CKGR_OUT_3 EQU( 0x3 << 14 ); AT91C_CKGR_OUT_3 EQU( 0x3 << 14 );
- ( CKGR ) Please refer to the PLL datasheet - ( CKGR ) Please refer to the PLL datasheet
AT91C_CKGR_MUL EQU( 0x7FF << 16 ); AT91C_CKGR_MUL EQU( 0x7FF << 16 );
- ( CKGR ) PLL Multiplier - ( CKGR ) PLL Multiplier
AT91C_CKGR_USBDIV EQU( 0x3 << 28 ); AT91C_CKGR_USBDIV EQU( 0x3 << 28 );
- ( CKGR ) Divider for USB Clocks - ( CKGR ) Divider for USB Clocks
AT91C_CKGR_USBDIV_0 EQU( 0x0 << 28 ); AT91C_CKGR_USBDIV_0 EQU( 0x0 << 28 );
- ( CKGR ) Divider output is PLL clock output - ( CKGR ) Divider output is PLL clock output
AT91C_CKGR_USBDIV_1 EQU( 0x1 << 28 ); AT91C_CKGR_USBDIV_1 EQU( 0x1 << 28 );
- ( CKGR ) Divider output is PLL clock output divided by 2 - ( CKGR ) Divider output is PLL clock output divided by 2
AT91C_CKGR_USBDIV_2 EQU( 0x2 << 28 ); AT91C_CKGR_USBDIV_2 EQU( 0x2 << 28 );
- ( CKGR ) Divider output is PLL clock output divided by 4 - ( CKGR ) Divider output is PLL clock output divided by 4
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - SOFTWARE API DEFINITION FOR Power Management Controler */ /* - SOFTWARE API DEFINITION FOR Power Management Controler */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- PMC_SCER : (PMC Offset: 0x0) System Clock Enable Register -------- */ /* - -------- PMC_SCER : (PMC Offset: 0x0) System Clock Enable Register -------- */
AT91C_PMC_PCK EQU( 0x1 << 0 ); AT91C_PMC_PCK EQU( 0x1 << 0 );
- ( PMC ) Processor Clock - ( PMC ) Processor Clock
AT91C_PMC_UDP EQU( 0x1 << 7 ); AT91C_PMC_UDP EQU( 0x1 << 7 );
- ( PMC ) USB Device Port Clock - ( PMC ) USB Device Port Clock
AT91C_PMC_PCK0 EQU( 0x1 << 8 ); AT91C_PMC_PCK0 EQU( 0x1 << 8 );
- ( PMC ) Programmable Clock Output - ( PMC ) Programmable Clock Output
@ -2944,45 +2944,45 @@ AT91C_PDC_RXTEN EQU( 0x1 << 0 );
/* - -------- CKGR_MCFR : (PMC Offset: 0x24) Main Clock Frequency Register -------- */ /* - -------- CKGR_MCFR : (PMC Offset: 0x24) Main Clock Frequency Register -------- */
/* - -------- CKGR_PLLR : (PMC Offset: 0x2c) PLL B Register -------- */ /* - -------- CKGR_PLLR : (PMC Offset: 0x2c) PLL B Register -------- */
/* - -------- PMC_MCKR : (PMC Offset: 0x30) Master Clock Register -------- */ /* - -------- PMC_MCKR : (PMC Offset: 0x30) Master Clock Register -------- */
AT91C_PMC_CSS EQU( 0x3 << 0 ); AT91C_PMC_CSS EQU( 0x3 << 0 );
- ( PMC ) Programmable Clock Selection - ( PMC ) Programmable Clock Selection
AT91C_PMC_CSS_SLOW_CLK EQU( 0x0 ); AT91C_PMC_CSS_SLOW_CLK EQU( 0x0 );
- ( PMC ) Slow Clock is selected - ( PMC ) Slow Clock is selected
AT91C_PMC_CSS_MAIN_CLK EQU( 0x1 ); AT91C_PMC_CSS_MAIN_CLK EQU( 0x1 );
- ( PMC ) Main Clock is selected - ( PMC ) Main Clock is selected
AT91C_PMC_CSS_PLL_CLK EQU( 0x3 ); AT91C_PMC_CSS_PLL_CLK EQU( 0x3 );
- ( PMC ) Clock from PLL is selected - ( PMC ) Clock from PLL is selected
AT91C_PMC_PRES EQU( 0x7 << 2 ); AT91C_PMC_PRES EQU( 0x7 << 2 );
- ( PMC ) Programmable Clock Prescaler - ( PMC ) Programmable Clock Prescaler
AT91C_PMC_PRES_CLK EQU( 0x0 << 2 ); AT91C_PMC_PRES_CLK EQU( 0x0 << 2 );
- ( PMC ) Selected clock - ( PMC ) Selected clock
AT91C_PMC_PRES_CLK_2 EQU( 0x1 << 2 ); AT91C_PMC_PRES_CLK_2 EQU( 0x1 << 2 );
- ( PMC ) Selected clock divided by 2 - ( PMC ) Selected clock divided by 2
AT91C_PMC_PRES_CLK_4 EQU( 0x2 << 2 ); AT91C_PMC_PRES_CLK_4 EQU( 0x2 << 2 );
- ( PMC ) Selected clock divided by 4 - ( PMC ) Selected clock divided by 4
AT91C_PMC_PRES_CLK_8 EQU( 0x3 << 2 ); AT91C_PMC_PRES_CLK_8 EQU( 0x3 << 2 );
- ( PMC ) Selected clock divided by 8 - ( PMC ) Selected clock divided by 8
AT91C_PMC_PRES_CLK_16 EQU( 0x4 << 2 ); AT91C_PMC_PRES_CLK_16 EQU( 0x4 << 2 );
- ( PMC ) Selected clock divided by 16 - ( PMC ) Selected clock divided by 16
AT91C_PMC_PRES_CLK_32 EQU( 0x5 << 2 ); AT91C_PMC_PRES_CLK_32 EQU( 0x5 << 2 );
- ( PMC ) Selected clock divided by 32 - ( PMC ) Selected clock divided by 32
AT91C_PMC_PRES_CLK_64 EQU( 0x6 << 2 ); AT91C_PMC_PRES_CLK_64 EQU( 0x6 << 2 );
- ( PMC ) Selected clock divided by 64 - ( PMC ) Selected clock divided by 64
/* - -------- PMC_PCKR : (PMC Offset: 0x40) Programmable Clock Register -------- */ /* - -------- PMC_PCKR : (PMC Offset: 0x40) Programmable Clock Register -------- */
/* - -------- PMC_IER : (PMC Offset: 0x60) PMC Interrupt Enable Register -------- */ /* - -------- PMC_IER : (PMC Offset: 0x60) PMC Interrupt Enable Register -------- */
AT91C_PMC_MOSCS EQU( 0x1 << 0 ); AT91C_PMC_MOSCS EQU( 0x1 << 0 );
- ( PMC ) MOSC Status / Enable / Disable / Mask - ( PMC ) MOSC Status / Enable / Disable / Mask
AT91C_PMC_LOCK EQU( 0x1 << 2 ); AT91C_PMC_LOCK EQU( 0x1 << 2 );
- ( PMC ) PLL Status / Enable / Disable / Mask - ( PMC ) PLL Status / Enable / Disable / Mask
AT91C_PMC_MCKRDY EQU( 0x1 << 3 ); AT91C_PMC_MCKRDY EQU( 0x1 << 3 );
- ( PMC ) MCK_RDY Status / Enable / Disable / Mask - ( PMC ) MCK_RDY Status / Enable / Disable / Mask
AT91C_PMC_PCK0RDY EQU( 0x1 << 8 ); AT91C_PMC_PCK0RDY EQU( 0x1 << 8 );
- ( PMC ) PCK0_RDY Status / Enable / Disable / Mask - ( PMC ) PCK0_RDY Status / Enable / Disable / Mask
AT91C_PMC_PCK1RDY EQU( 0x1 << 9 ); AT91C_PMC_PCK1RDY EQU( 0x1 << 9 );
- ( PMC ) PCK1_RDY Status / Enable / Disable / Mask - ( PMC ) PCK1_RDY Status / Enable / Disable / Mask
AT91C_PMC_PCK2RDY EQU( 0x1 << 10 ); AT91C_PMC_PCK2RDY EQU( 0x1 << 10 );
- ( PMC ) PCK2_RDY Status / Enable / Disable / Mask - ( PMC ) PCK2_RDY Status / Enable / Disable / Mask
AT91C_PMC_PCK3RDY EQU( 0x1 << 11 ); AT91C_PMC_PCK3RDY EQU( 0x1 << 11 );
- ( PMC ) PCK3_RDY Status / Enable / Disable / Mask - ( PMC ) PCK3_RDY Status / Enable / Disable / Mask
/* - -------- PMC_IDR : (PMC Offset: 0x64) PMC Interrupt Disable Register -------- */ /* - -------- PMC_IDR : (PMC Offset: 0x64) PMC Interrupt Disable Register -------- */
/* - -------- PMC_SR : (PMC Offset: 0x68) PMC Status Register -------- */ /* - -------- PMC_SR : (PMC Offset: 0x68) PMC Status Register -------- */
@ -2992,88 +2992,88 @@ AT91C_PDC_RXTEN EQU( 0x1 << 0 );
/* - SOFTWARE API DEFINITION FOR Reset Controller Interface */ /* - SOFTWARE API DEFINITION FOR Reset Controller Interface */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- RSTC_RCR : (RSTC Offset: 0x0) Reset Control Register -------- */ /* - -------- RSTC_RCR : (RSTC Offset: 0x0) Reset Control Register -------- */
AT91C_RSTC_PROCRST EQU( 0x1 << 0 ); AT91C_RSTC_PROCRST EQU( 0x1 << 0 );
- ( RSTC ) Processor Reset - ( RSTC ) Processor Reset
AT91C_RSTC_PERRST EQU( 0x1 << 2 ); AT91C_RSTC_PERRST EQU( 0x1 << 2 );
- ( RSTC ) Peripheral Reset - ( RSTC ) Peripheral Reset
AT91C_RSTC_EXTRST EQU( 0x1 << 3 ); AT91C_RSTC_EXTRST EQU( 0x1 << 3 );
- ( RSTC ) External Reset - ( RSTC ) External Reset
AT91C_RSTC_KEY EQU( 0xFF << 24 ); AT91C_RSTC_KEY EQU( 0xFF << 24 );
- ( RSTC ) Password - ( RSTC ) Password
/* - -------- RSTC_RSR : (RSTC Offset: 0x4) Reset Status Register -------- */ /* - -------- RSTC_RSR : (RSTC Offset: 0x4) Reset Status Register -------- */
AT91C_RSTC_URSTS EQU( 0x1 << 0 ); AT91C_RSTC_URSTS EQU( 0x1 << 0 );
- ( RSTC ) User Reset Status - ( RSTC ) User Reset Status
AT91C_RSTC_BODSTS EQU( 0x1 << 1 ); AT91C_RSTC_BODSTS EQU( 0x1 << 1 );
- ( RSTC ) Brownout Detection Status - ( RSTC ) Brownout Detection Status
AT91C_RSTC_RSTTYP EQU( 0x7 << 8 ); AT91C_RSTC_RSTTYP EQU( 0x7 << 8 );
- ( RSTC ) Reset Type - ( RSTC ) Reset Type
AT91C_RSTC_RSTTYP_POWERUP EQU( 0x0 << 8 ); AT91C_RSTC_RSTTYP_POWERUP EQU( 0x0 << 8 );
- ( RSTC ) Power - up Reset.VDDCORE rising. - ( RSTC ) Power - up Reset.VDDCORE rising.
AT91C_RSTC_RSTTYP_WAKEUP EQU( 0x1 << 8 ); AT91C_RSTC_RSTTYP_WAKEUP EQU( 0x1 << 8 );
- ( RSTC ) WakeUp Reset.VDDCORE rising. - ( RSTC ) WakeUp Reset.VDDCORE rising.
AT91C_RSTC_RSTTYP_WATCHDOG EQU( 0x2 << 8 ); AT91C_RSTC_RSTTYP_WATCHDOG EQU( 0x2 << 8 );
- ( RSTC ) Watchdog Reset.Watchdog overflow occured. - ( RSTC ) Watchdog Reset.Watchdog overflow occured.
AT91C_RSTC_RSTTYP_SOFTWARE EQU( 0x3 << 8 ); AT91C_RSTC_RSTTYP_SOFTWARE EQU( 0x3 << 8 );
- ( RSTC ) Software Reset.Processor reset required by the software. - ( RSTC ) Software Reset.Processor reset required by the software.
AT91C_RSTC_RSTTYP_USER EQU( 0x4 << 8 ); AT91C_RSTC_RSTTYP_USER EQU( 0x4 << 8 );
- ( RSTC ) User Reset.NRST pin detected low. - ( RSTC ) User Reset.NRST pin detected low.
AT91C_RSTC_RSTTYP_BROWNOUT EQU( 0x5 << 8 ); AT91C_RSTC_RSTTYP_BROWNOUT EQU( 0x5 << 8 );
- ( RSTC ) Brownout Reset occured. - ( RSTC ) Brownout Reset occured.
AT91C_RSTC_NRSTL EQU( 0x1 << 16 ); AT91C_RSTC_NRSTL EQU( 0x1 << 16 );
- ( RSTC ) NRST pin level - ( RSTC ) NRST pin level
AT91C_RSTC_SRCMP EQU( 0x1 << 17 ); AT91C_RSTC_SRCMP EQU( 0x1 << 17 );
- ( RSTC ) Software Reset Command in Progress. - ( RSTC ) Software Reset Command in Progress.
/* - -------- RSTC_RMR : (RSTC Offset: 0x8) Reset Mode Register -------- */ /* - -------- RSTC_RMR : (RSTC Offset: 0x8) Reset Mode Register -------- */
AT91C_RSTC_URSTEN EQU( 0x1 << 0 ); AT91C_RSTC_URSTEN EQU( 0x1 << 0 );
- ( RSTC ) User Reset Enable - ( RSTC ) User Reset Enable
AT91C_RSTC_URSTIEN EQU( 0x1 << 4 ); AT91C_RSTC_URSTIEN EQU( 0x1 << 4 );
- ( RSTC ) User Reset Interrupt Enable - ( RSTC ) User Reset Interrupt Enable
AT91C_RSTC_ERSTL EQU( 0xF << 8 ); AT91C_RSTC_ERSTL EQU( 0xF << 8 );
- ( RSTC ) User Reset Enable - ( RSTC ) User Reset Enable
AT91C_RSTC_BODIEN EQU( 0x1 << 16 ); AT91C_RSTC_BODIEN EQU( 0x1 << 16 );
- ( RSTC ) Brownout Detection Interrupt Enable - ( RSTC ) Brownout Detection Interrupt Enable
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - SOFTWARE API DEFINITION FOR Real Time Timer Controller Interface */ /* - SOFTWARE API DEFINITION FOR Real Time Timer Controller Interface */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- RTTC_RTMR : (RTTC Offset: 0x0) Real-time Mode Register -------- */ /* - -------- RTTC_RTMR : (RTTC Offset: 0x0) Real-time Mode Register -------- */
AT91C_RTTC_RTPRES EQU( 0xFFFF << 0 ); AT91C_RTTC_RTPRES EQU( 0xFFFF << 0 );
- ( RTTC ) Real - time Timer Prescaler Value - ( RTTC ) Real - time Timer Prescaler Value
AT91C_RTTC_ALMIEN EQU( 0x1 << 16 ); AT91C_RTTC_ALMIEN EQU( 0x1 << 16 );
- ( RTTC ) Alarm Interrupt Enable - ( RTTC ) Alarm Interrupt Enable
AT91C_RTTC_RTTINCIEN EQU( 0x1 << 17 ); AT91C_RTTC_RTTINCIEN EQU( 0x1 << 17 );
- ( RTTC ) Real Time Timer Increment Interrupt Enable - ( RTTC ) Real Time Timer Increment Interrupt Enable
AT91C_RTTC_RTTRST EQU( 0x1 << 18 ); AT91C_RTTC_RTTRST EQU( 0x1 << 18 );
- ( RTTC ) Real Time Timer Restart - ( RTTC ) Real Time Timer Restart
/* - -------- RTTC_RTAR : (RTTC Offset: 0x4) Real-time Alarm Register -------- */ /* - -------- RTTC_RTAR : (RTTC Offset: 0x4) Real-time Alarm Register -------- */
AT91C_RTTC_ALMV EQU( 0x0 << 0 ); AT91C_RTTC_ALMV EQU( 0x0 << 0 );
- ( RTTC ) Alarm Value - ( RTTC ) Alarm Value
/* - -------- RTTC_RTVR : (RTTC Offset: 0x8) Current Real-time Value Register -------- */ /* - -------- RTTC_RTVR : (RTTC Offset: 0x8) Current Real-time Value Register -------- */
AT91C_RTTC_CRTV EQU( 0x0 << 0 ); AT91C_RTTC_CRTV EQU( 0x0 << 0 );
- ( RTTC ) Current Real - time Value - ( RTTC ) Current Real - time Value
/* - -------- RTTC_RTSR : (RTTC Offset: 0xc) Real-time Status Register -------- */ /* - -------- RTTC_RTSR : (RTTC Offset: 0xc) Real-time Status Register -------- */
AT91C_RTTC_ALMS EQU( 0x1 << 0 ); AT91C_RTTC_ALMS EQU( 0x1 << 0 );
- ( RTTC ) Real - time Alarm Status - ( RTTC ) Real - time Alarm Status
AT91C_RTTC_RTTINC EQU( 0x1 << 1 ); AT91C_RTTC_RTTINC EQU( 0x1 << 1 );
- ( RTTC ) Real - time Timer Increment - ( RTTC ) Real - time Timer Increment
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - SOFTWARE API DEFINITION FOR Periodic Interval Timer Controller Interface */ /* - SOFTWARE API DEFINITION FOR Periodic Interval Timer Controller Interface */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- PITC_PIMR : (PITC Offset: 0x0) Periodic Interval Mode Register -------- */ /* - -------- PITC_PIMR : (PITC Offset: 0x0) Periodic Interval Mode Register -------- */
AT91C_PITC_PIV EQU( 0xFFFFF << 0 ); AT91C_PITC_PIV EQU( 0xFFFFF << 0 );
- ( PITC ) Periodic Interval Value - ( PITC ) Periodic Interval Value
AT91C_PITC_PITEN EQU( 0x1 << 24 ); AT91C_PITC_PITEN EQU( 0x1 << 24 );
- ( PITC ) Periodic Interval Timer Enabled - ( PITC ) Periodic Interval Timer Enabled
AT91C_PITC_PITIEN EQU( 0x1 << 25 ); AT91C_PITC_PITIEN EQU( 0x1 << 25 );
- ( PITC ) Periodic Interval Timer Interrupt Enable - ( PITC ) Periodic Interval Timer Interrupt Enable
/* - -------- PITC_PISR : (PITC Offset: 0x4) Periodic Interval Status Register -------- */ /* - -------- PITC_PISR : (PITC Offset: 0x4) Periodic Interval Status Register -------- */
AT91C_PITC_PITS EQU( 0x1 << 0 ); AT91C_PITC_PITS EQU( 0x1 << 0 );
- ( PITC ) Periodic Interval Timer Status - ( PITC ) Periodic Interval Timer Status
/* - -------- PITC_PIVR : (PITC Offset: 0x8) Periodic Interval Value Register -------- */ /* - -------- PITC_PIVR : (PITC Offset: 0x8) Periodic Interval Value Register -------- */
AT91C_PITC_CPIV EQU( 0xFFFFF << 0 ); AT91C_PITC_CPIV EQU( 0xFFFFF << 0 );
- ( PITC ) Current Periodic Interval Value - ( PITC ) Current Periodic Interval Value
AT91C_PITC_PICNT EQU( 0xFFF << 20 ); AT91C_PITC_PICNT EQU( 0xFFF << 20 );
- ( PITC ) Periodic Interval Counter - ( PITC ) Periodic Interval Counter
/* - -------- PITC_PIIR : (PITC Offset: 0xc) Periodic Interval Image Register -------- */ /* - -------- PITC_PIIR : (PITC Offset: 0xc) Periodic Interval Image Register -------- */
@ -3081,31 +3081,31 @@ AT91C_PDC_RXTEN EQU( 0x1 << 0 );
/* - SOFTWARE API DEFINITION FOR Watchdog Timer Controller Interface */ /* - SOFTWARE API DEFINITION FOR Watchdog Timer Controller Interface */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- WDTC_WDCR : (WDTC Offset: 0x0) Periodic Interval Image Register -------- */ /* - -------- WDTC_WDCR : (WDTC Offset: 0x0) Periodic Interval Image Register -------- */
AT91C_WDTC_WDRSTT EQU( 0x1 << 0 ); AT91C_WDTC_WDRSTT EQU( 0x1 << 0 );
- ( WDTC ) Watchdog Restart - ( WDTC ) Watchdog Restart
AT91C_WDTC_KEY EQU( 0xFF << 24 ); AT91C_WDTC_KEY EQU( 0xFF << 24 );
- ( WDTC ) Watchdog KEY Password - ( WDTC ) Watchdog KEY Password
/* - -------- WDTC_WDMR : (WDTC Offset: 0x4) Watchdog Mode Register -------- */ /* - -------- WDTC_WDMR : (WDTC Offset: 0x4) Watchdog Mode Register -------- */
AT91C_WDTC_WDV EQU( 0xFFF << 0 ); AT91C_WDTC_WDV EQU( 0xFFF << 0 );
- ( WDTC ) Watchdog Timer Restart - ( WDTC ) Watchdog Timer Restart
AT91C_WDTC_WDFIEN EQU( 0x1 << 12 ); AT91C_WDTC_WDFIEN EQU( 0x1 << 12 );
- ( WDTC ) Watchdog Fault Interrupt Enable - ( WDTC ) Watchdog Fault Interrupt Enable
AT91C_WDTC_WDRSTEN EQU( 0x1 << 13 ); AT91C_WDTC_WDRSTEN EQU( 0x1 << 13 );
- ( WDTC ) Watchdog Reset Enable - ( WDTC ) Watchdog Reset Enable
AT91C_WDTC_WDRPROC EQU( 0x1 << 14 ); AT91C_WDTC_WDRPROC EQU( 0x1 << 14 );
- ( WDTC ) Watchdog Timer Restart - ( WDTC ) Watchdog Timer Restart
AT91C_WDTC_WDDIS EQU( 0x1 << 15 ); AT91C_WDTC_WDDIS EQU( 0x1 << 15 );
- ( WDTC ) Watchdog Disable - ( WDTC ) Watchdog Disable
AT91C_WDTC_WDD EQU( 0xFFF << 16 ); AT91C_WDTC_WDD EQU( 0xFFF << 16 );
- ( WDTC ) Watchdog Delta Value - ( WDTC ) Watchdog Delta Value
AT91C_WDTC_WDDBGHLT EQU( 0x1 << 28 ); AT91C_WDTC_WDDBGHLT EQU( 0x1 << 28 );
- ( WDTC ) Watchdog Debug Halt - ( WDTC ) Watchdog Debug Halt
AT91C_WDTC_WDIDLEHLT EQU( 0x1 << 29 ); AT91C_WDTC_WDIDLEHLT EQU( 0x1 << 29 );
- ( WDTC ) Watchdog Idle Halt - ( WDTC ) Watchdog Idle Halt
/* - -------- WDTC_WDSR : (WDTC Offset: 0x8) Watchdog Status Register -------- */ /* - -------- WDTC_WDSR : (WDTC Offset: 0x8) Watchdog Status Register -------- */
AT91C_WDTC_WDUNF EQU( 0x1 << 0 ); AT91C_WDTC_WDUNF EQU( 0x1 << 0 );
- ( WDTC ) Watchdog Underflow - ( WDTC ) Watchdog Underflow
AT91C_WDTC_WDERR EQU( 0x1 << 1 ); AT91C_WDTC_WDERR EQU( 0x1 << 1 );
- ( WDTC ) Watchdog Error - ( WDTC ) Watchdog Error
/* - ***************************************************************************** */ /* - ***************************************************************************** */
@ -3119,214 +3119,214 @@ AT91C_PDC_RXTEN EQU( 0x1 << 0 );
/* - SOFTWARE API DEFINITION FOR Memory Controller Interface */ /* - SOFTWARE API DEFINITION FOR Memory Controller Interface */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- MC_RCR : (MC Offset: 0x0) MC Remap Control Register -------- */ /* - -------- MC_RCR : (MC Offset: 0x0) MC Remap Control Register -------- */
AT91C_MC_RCB EQU( 0x1 << 0 ); AT91C_MC_RCB EQU( 0x1 << 0 );
- ( MC ) Remap Command Bit - ( MC ) Remap Command Bit
/* - -------- MC_ASR : (MC Offset: 0x4) MC Abort Status Register -------- */ /* - -------- MC_ASR : (MC Offset: 0x4) MC Abort Status Register -------- */
AT91C_MC_UNDADD EQU( 0x1 << 0 ); AT91C_MC_UNDADD EQU( 0x1 << 0 );
- ( MC ) Undefined Addess Abort Status - ( MC ) Undefined Addess Abort Status
AT91C_MC_MISADD EQU( 0x1 << 1 ); AT91C_MC_MISADD EQU( 0x1 << 1 );
- ( MC ) Misaligned Addess Abort Status - ( MC ) Misaligned Addess Abort Status
AT91C_MC_ABTSZ EQU( 0x3 << 8 ); AT91C_MC_ABTSZ EQU( 0x3 << 8 );
- ( MC ) Abort Size Status - ( MC ) Abort Size Status
AT91C_MC_ABTSZ_BYTE EQU( 0x0 << 8 ); AT91C_MC_ABTSZ_BYTE EQU( 0x0 << 8 );
- ( MC ) Byte - ( MC ) Byte
AT91C_MC_ABTSZ_HWORD EQU( 0x1 << 8 ); AT91C_MC_ABTSZ_HWORD EQU( 0x1 << 8 );
- ( MC ) Half - word - ( MC ) Half - word
AT91C_MC_ABTSZ_WORD EQU( 0x2 << 8 ); AT91C_MC_ABTSZ_WORD EQU( 0x2 << 8 );
- ( MC ) Word - ( MC ) Word
AT91C_MC_ABTTYP EQU( 0x3 << 10 ); AT91C_MC_ABTTYP EQU( 0x3 << 10 );
- ( MC ) Abort Type Status - ( MC ) Abort Type Status
AT91C_MC_ABTTYP_DATAR EQU( 0x0 << 10 ); AT91C_MC_ABTTYP_DATAR EQU( 0x0 << 10 );
- ( MC ) Data Read - ( MC ) Data Read
AT91C_MC_ABTTYP_DATAW EQU( 0x1 << 10 ); AT91C_MC_ABTTYP_DATAW EQU( 0x1 << 10 );
- ( MC ) Data Write - ( MC ) Data Write
AT91C_MC_ABTTYP_FETCH EQU( 0x2 << 10 ); AT91C_MC_ABTTYP_FETCH EQU( 0x2 << 10 );
- ( MC ) Code Fetch - ( MC ) Code Fetch
AT91C_MC_MST0 EQU( 0x1 << 16 ); AT91C_MC_MST0 EQU( 0x1 << 16 );
- ( MC ) Master 0 Abort Source - ( MC ) Master 0 Abort Source
AT91C_MC_MST1 EQU( 0x1 << 17 ); AT91C_MC_MST1 EQU( 0x1 << 17 );
- ( MC ) Master 1 Abort Source - ( MC ) Master 1 Abort Source
AT91C_MC_SVMST0 EQU( 0x1 << 24 ); AT91C_MC_SVMST0 EQU( 0x1 << 24 );
- ( MC ) Saved Master 0 Abort Source - ( MC ) Saved Master 0 Abort Source
AT91C_MC_SVMST1 EQU( 0x1 << 25 ); AT91C_MC_SVMST1 EQU( 0x1 << 25 );
- ( MC ) Saved Master 1 Abort Source - ( MC ) Saved Master 1 Abort Source
/* - -------- MC_FMR : (MC Offset: 0x60) MC Flash Mode Register -------- */ /* - -------- MC_FMR : (MC Offset: 0x60) MC Flash Mode Register -------- */
AT91C_MC_FRDY EQU( 0x1 << 0 ); AT91C_MC_FRDY EQU( 0x1 << 0 );
- ( MC ) Flash Ready - ( MC ) Flash Ready
AT91C_MC_LOCKE EQU( 0x1 << 2 ); AT91C_MC_LOCKE EQU( 0x1 << 2 );
- ( MC ) Lock Error - ( MC ) Lock Error
AT91C_MC_PROGE EQU( 0x1 << 3 ); AT91C_MC_PROGE EQU( 0x1 << 3 );
- ( MC ) Programming Error - ( MC ) Programming Error
AT91C_MC_NEBP EQU( 0x1 << 7 ); AT91C_MC_NEBP EQU( 0x1 << 7 );
- ( MC ) No Erase Before Programming - ( MC ) No Erase Before Programming
AT91C_MC_FWS EQU( 0x3 << 8 ); AT91C_MC_FWS EQU( 0x3 << 8 );
- ( MC ) Flash Wait State - ( MC ) Flash Wait State
AT91C_MC_FWS_0FWS EQU( 0x0 << 8 ); AT91C_MC_FWS_0FWS EQU( 0x0 << 8 );
- ( MC ) 1 cycle for Read, 2 for Write operations - ( MC ) 1 cycle for Read, 2 for Write operations
AT91C_MC_FWS_1FWS EQU( 0x1 << 8 ); AT91C_MC_FWS_1FWS EQU( 0x1 << 8 );
- ( MC ) 2 cycles for Read, 3 for Write operations - ( MC ) 2 cycles for Read, 3 for Write operations
AT91C_MC_FWS_2FWS EQU( 0x2 << 8 ); AT91C_MC_FWS_2FWS EQU( 0x2 << 8 );
- ( MC ) 3 cycles for Read, 4 for Write operations - ( MC ) 3 cycles for Read, 4 for Write operations
AT91C_MC_FWS_3FWS EQU( 0x3 << 8 ); AT91C_MC_FWS_3FWS EQU( 0x3 << 8 );
- ( MC ) 4 cycles for Read, 4 for Write operations - ( MC ) 4 cycles for Read, 4 for Write operations
AT91C_MC_FMCN EQU( 0xFF << 16 ); AT91C_MC_FMCN EQU( 0xFF << 16 );
- ( MC ) Flash Microsecond Cycle Number - ( MC ) Flash Microsecond Cycle Number
/* - -------- MC_FCR : (MC Offset: 0x64) MC Flash Command Register -------- */ /* - -------- MC_FCR : (MC Offset: 0x64) MC Flash Command Register -------- */
AT91C_MC_FCMD EQU( 0xF << 0 ); AT91C_MC_FCMD EQU( 0xF << 0 );
- ( MC ) Flash Command - ( MC ) Flash Command
AT91C_MC_FCMD_START_PROG EQU( 0x1 ); AT91C_MC_FCMD_START_PROG EQU( 0x1 );
- ( MC ) Starts the programming of th epage specified by PAGEN. - ( MC ) Starts the programming of th epage specified by PAGEN.
AT91C_MC_FCMD_LOCK EQU( 0x2 ); AT91C_MC_FCMD_LOCK EQU( 0x2 );
- ( MC ) Starts a lock sequence of the sector defined by the bits 4 to 7 of the field PAGEN. - ( MC ) Starts a lock sequence of the sector defined by the bits 4 to 7 of the field PAGEN.
AT91C_MC_FCMD_PROG_AND_LOCK EQU( 0x3 ); AT91C_MC_FCMD_PROG_AND_LOCK EQU( 0x3 );
- ( MC ) The lock sequence automatically happens after the programming sequence is completed. - ( MC ) The lock sequence automatically happens after the programming sequence is completed.
AT91C_MC_FCMD_UNLOCK EQU( 0x4 ); AT91C_MC_FCMD_UNLOCK EQU( 0x4 );
- ( MC ) Starts an unlock sequence of the sector defined by the bits 4 to 7 of the field PAGEN. - ( MC ) Starts an unlock sequence of the sector defined by the bits 4 to 7 of the field PAGEN.
AT91C_MC_FCMD_ERASE_ALL EQU( 0x8 ); AT91C_MC_FCMD_ERASE_ALL EQU( 0x8 );
- ( MC ) Starts the erase of the entire flash.If at least a page is locked, the command is cancelled. - ( MC ) Starts the erase of the entire flash.If at least a page is locked, the command is cancelled.
AT91C_MC_FCMD_SET_GP_NVM EQU( 0xB ); AT91C_MC_FCMD_SET_GP_NVM EQU( 0xB );
- ( MC ) Set General Purpose NVM bits. - ( MC ) Set General Purpose NVM bits.
AT91C_MC_FCMD_CLR_GP_NVM EQU( 0xD ); AT91C_MC_FCMD_CLR_GP_NVM EQU( 0xD );
- ( MC ) Clear General Purpose NVM bits. - ( MC ) Clear General Purpose NVM bits.
AT91C_MC_FCMD_SET_SECURITY EQU( 0xF ); AT91C_MC_FCMD_SET_SECURITY EQU( 0xF );
- ( MC ) Set Security Bit. - ( MC ) Set Security Bit.
AT91C_MC_PAGEN EQU( 0x3FF << 8 ); AT91C_MC_PAGEN EQU( 0x3FF << 8 );
- ( MC ) Page Number - ( MC ) Page Number
AT91C_MC_KEY EQU( 0xFF << 24 ); AT91C_MC_KEY EQU( 0xFF << 24 );
- ( MC ) Writing Protect Key - ( MC ) Writing Protect Key
/* - -------- MC_FSR : (MC Offset: 0x68) MC Flash Command Register -------- */ /* - -------- MC_FSR : (MC Offset: 0x68) MC Flash Command Register -------- */
AT91C_MC_SECURITY EQU( 0x1 << 4 ); AT91C_MC_SECURITY EQU( 0x1 << 4 );
- ( MC ) Security Bit Status - ( MC ) Security Bit Status
AT91C_MC_GPNVM0 EQU( 0x1 << 8 ); AT91C_MC_GPNVM0 EQU( 0x1 << 8 );
- ( MC ) Sector 0 Lock Status - ( MC ) Sector 0 Lock Status
AT91C_MC_GPNVM1 EQU( 0x1 << 9 ); AT91C_MC_GPNVM1 EQU( 0x1 << 9 );
- ( MC ) Sector 1 Lock Status - ( MC ) Sector 1 Lock Status
AT91C_MC_GPNVM2 EQU( 0x1 << 10 ); AT91C_MC_GPNVM2 EQU( 0x1 << 10 );
- ( MC ) Sector 2 Lock Status - ( MC ) Sector 2 Lock Status
AT91C_MC_GPNVM3 EQU( 0x1 << 11 ); AT91C_MC_GPNVM3 EQU( 0x1 << 11 );
- ( MC ) Sector 3 Lock Status - ( MC ) Sector 3 Lock Status
AT91C_MC_GPNVM4 EQU( 0x1 << 12 ); AT91C_MC_GPNVM4 EQU( 0x1 << 12 );
- ( MC ) Sector 4 Lock Status - ( MC ) Sector 4 Lock Status
AT91C_MC_GPNVM5 EQU( 0x1 << 13 ); AT91C_MC_GPNVM5 EQU( 0x1 << 13 );
- ( MC ) Sector 5 Lock Status - ( MC ) Sector 5 Lock Status
AT91C_MC_GPNVM6 EQU( 0x1 << 14 ); AT91C_MC_GPNVM6 EQU( 0x1 << 14 );
- ( MC ) Sector 6 Lock Status - ( MC ) Sector 6 Lock Status
AT91C_MC_GPNVM7 EQU( 0x1 << 15 ); AT91C_MC_GPNVM7 EQU( 0x1 << 15 );
- ( MC ) Sector 7 Lock Status - ( MC ) Sector 7 Lock Status
AT91C_MC_LOCKS0 EQU( 0x1 << 16 ); AT91C_MC_LOCKS0 EQU( 0x1 << 16 );
- ( MC ) Sector 0 Lock Status - ( MC ) Sector 0 Lock Status
AT91C_MC_LOCKS1 EQU( 0x1 << 17 ); AT91C_MC_LOCKS1 EQU( 0x1 << 17 );
- ( MC ) Sector 1 Lock Status - ( MC ) Sector 1 Lock Status
AT91C_MC_LOCKS2 EQU( 0x1 << 18 ); AT91C_MC_LOCKS2 EQU( 0x1 << 18 );
- ( MC ) Sector 2 Lock Status - ( MC ) Sector 2 Lock Status
AT91C_MC_LOCKS3 EQU( 0x1 << 19 ); AT91C_MC_LOCKS3 EQU( 0x1 << 19 );
- ( MC ) Sector 3 Lock Status - ( MC ) Sector 3 Lock Status
AT91C_MC_LOCKS4 EQU( 0x1 << 20 ); AT91C_MC_LOCKS4 EQU( 0x1 << 20 );
- ( MC ) Sector 4 Lock Status - ( MC ) Sector 4 Lock Status
AT91C_MC_LOCKS5 EQU( 0x1 << 21 ); AT91C_MC_LOCKS5 EQU( 0x1 << 21 );
- ( MC ) Sector 5 Lock Status - ( MC ) Sector 5 Lock Status
AT91C_MC_LOCKS6 EQU( 0x1 << 22 ); AT91C_MC_LOCKS6 EQU( 0x1 << 22 );
- ( MC ) Sector 6 Lock Status - ( MC ) Sector 6 Lock Status
AT91C_MC_LOCKS7 EQU( 0x1 << 23 ); AT91C_MC_LOCKS7 EQU( 0x1 << 23 );
- ( MC ) Sector 7 Lock Status - ( MC ) Sector 7 Lock Status
AT91C_MC_LOCKS8 EQU( 0x1 << 24 ); AT91C_MC_LOCKS8 EQU( 0x1 << 24 );
- ( MC ) Sector 8 Lock Status - ( MC ) Sector 8 Lock Status
AT91C_MC_LOCKS9 EQU( 0x1 << 25 ); AT91C_MC_LOCKS9 EQU( 0x1 << 25 );
- ( MC ) Sector 9 Lock Status - ( MC ) Sector 9 Lock Status
AT91C_MC_LOCKS10 EQU( 0x1 << 26 ); AT91C_MC_LOCKS10 EQU( 0x1 << 26 );
- ( MC ) Sector 10 Lock Status - ( MC ) Sector 10 Lock Status
AT91C_MC_LOCKS11 EQU( 0x1 << 27 ); AT91C_MC_LOCKS11 EQU( 0x1 << 27 );
- ( MC ) Sector 11 Lock Status - ( MC ) Sector 11 Lock Status
AT91C_MC_LOCKS12 EQU( 0x1 << 28 ); AT91C_MC_LOCKS12 EQU( 0x1 << 28 );
- ( MC ) Sector 12 Lock Status - ( MC ) Sector 12 Lock Status
AT91C_MC_LOCKS13 EQU( 0x1 << 29 ); AT91C_MC_LOCKS13 EQU( 0x1 << 29 );
- ( MC ) Sector 13 Lock Status - ( MC ) Sector 13 Lock Status
AT91C_MC_LOCKS14 EQU( 0x1 << 30 ); AT91C_MC_LOCKS14 EQU( 0x1 << 30 );
- ( MC ) Sector 14 Lock Status - ( MC ) Sector 14 Lock Status
AT91C_MC_LOCKS15 EQU( 0x1 << 31 ); AT91C_MC_LOCKS15 EQU( 0x1 << 31 );
- ( MC ) Sector 15 Lock Status - ( MC ) Sector 15 Lock Status
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - SOFTWARE API DEFINITION FOR Serial Parallel Interface */ /* - SOFTWARE API DEFINITION FOR Serial Parallel Interface */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- SPI_CR : (SPI Offset: 0x0) SPI Control Register -------- */ /* - -------- SPI_CR : (SPI Offset: 0x0) SPI Control Register -------- */
AT91C_SPI_SPIEN EQU( 0x1 << 0 ); AT91C_SPI_SPIEN EQU( 0x1 << 0 );
- ( SPI ) SPI Enable - ( SPI ) SPI Enable
AT91C_SPI_SPIDIS EQU( 0x1 << 1 ); AT91C_SPI_SPIDIS EQU( 0x1 << 1 );
- ( SPI ) SPI Disable - ( SPI ) SPI Disable
AT91C_SPI_SWRST EQU( 0x1 << 7 ); AT91C_SPI_SWRST EQU( 0x1 << 7 );
- ( SPI ) SPI Software reset - ( SPI ) SPI Software reset
AT91C_SPI_LASTXFER EQU( 0x1 << 24 ); AT91C_SPI_LASTXFER EQU( 0x1 << 24 );
- ( SPI ) SPI Last Transfer - ( SPI ) SPI Last Transfer
/* - -------- SPI_MR : (SPI Offset: 0x4) SPI Mode Register -------- */ /* - -------- SPI_MR : (SPI Offset: 0x4) SPI Mode Register -------- */
AT91C_SPI_MSTR EQU( 0x1 << 0 ); AT91C_SPI_MSTR EQU( 0x1 << 0 );
- ( SPI ) Master / Slave Mode - ( SPI ) Master / Slave Mode
AT91C_SPI_PS EQU( 0x1 << 1 ); AT91C_SPI_PS EQU( 0x1 << 1 );
- ( SPI ) Peripheral Select - ( SPI ) Peripheral Select
AT91C_SPI_PS_FIXED EQU( 0x0 << 1 ); AT91C_SPI_PS_FIXED EQU( 0x0 << 1 );
- ( SPI ) Fixed Peripheral Select - ( SPI ) Fixed Peripheral Select
AT91C_SPI_PS_VARIABLE EQU( 0x1 << 1 ); AT91C_SPI_PS_VARIABLE EQU( 0x1 << 1 );
- ( SPI ) Variable Peripheral Select - ( SPI ) Variable Peripheral Select
AT91C_SPI_PCSDEC EQU( 0x1 << 2 ); AT91C_SPI_PCSDEC EQU( 0x1 << 2 );
- ( SPI ) Chip Select Decode - ( SPI ) Chip Select Decode
AT91C_SPI_FDIV EQU( 0x1 << 3 ); AT91C_SPI_FDIV EQU( 0x1 << 3 );
- ( SPI ) Clock Selection - ( SPI ) Clock Selection
AT91C_SPI_MODFDIS EQU( 0x1 << 4 ); AT91C_SPI_MODFDIS EQU( 0x1 << 4 );
- ( SPI ) Mode Fault Detection - ( SPI ) Mode Fault Detection
AT91C_SPI_LLB EQU( 0x1 << 7 ); AT91C_SPI_LLB EQU( 0x1 << 7 );
- ( SPI ) Clock Selection - ( SPI ) Clock Selection
AT91C_SPI_PCS EQU( 0xF << 16 ); AT91C_SPI_PCS EQU( 0xF << 16 );
- ( SPI ) Peripheral Chip Select - ( SPI ) Peripheral Chip Select
AT91C_SPI_DLYBCS EQU( 0xFF << 24 ); AT91C_SPI_DLYBCS EQU( 0xFF << 24 );
- ( SPI ) Delay Between Chip Selects - ( SPI ) Delay Between Chip Selects
/* - -------- SPI_RDR : (SPI Offset: 0x8) Receive Data Register -------- */ /* - -------- SPI_RDR : (SPI Offset: 0x8) Receive Data Register -------- */
AT91C_SPI_RD EQU( 0xFFFF << 0 ); AT91C_SPI_RD EQU( 0xFFFF << 0 );
- ( SPI ) Receive Data - ( SPI ) Receive Data
AT91C_SPI_RPCS EQU( 0xF << 16 ); AT91C_SPI_RPCS EQU( 0xF << 16 );
- ( SPI ) Peripheral Chip Select Status - ( SPI ) Peripheral Chip Select Status
/* - -------- SPI_TDR : (SPI Offset: 0xc) Transmit Data Register -------- */ /* - -------- SPI_TDR : (SPI Offset: 0xc) Transmit Data Register -------- */
AT91C_SPI_TD EQU( 0xFFFF << 0 ); AT91C_SPI_TD EQU( 0xFFFF << 0 );
- ( SPI ) Transmit Data - ( SPI ) Transmit Data
AT91C_SPI_TPCS EQU( 0xF << 16 ); AT91C_SPI_TPCS EQU( 0xF << 16 );
- ( SPI ) Peripheral Chip Select Status - ( SPI ) Peripheral Chip Select Status
/* - -------- SPI_SR : (SPI Offset: 0x10) Status Register -------- */ /* - -------- SPI_SR : (SPI Offset: 0x10) Status Register -------- */
AT91C_SPI_RDRF EQU( 0x1 << 0 ); AT91C_SPI_RDRF EQU( 0x1 << 0 );
- ( SPI ) Receive Data Register Full - ( SPI ) Receive Data Register Full
AT91C_SPI_TDRE EQU( 0x1 << 1 ); AT91C_SPI_TDRE EQU( 0x1 << 1 );
- ( SPI ) Transmit Data Register Empty - ( SPI ) Transmit Data Register Empty
AT91C_SPI_MODF EQU( 0x1 << 2 ); AT91C_SPI_MODF EQU( 0x1 << 2 );
- ( SPI ) Mode Fault Error - ( SPI ) Mode Fault Error
AT91C_SPI_OVRES EQU( 0x1 << 3 ); AT91C_SPI_OVRES EQU( 0x1 << 3 );
- ( SPI ) Overrun Error Status - ( SPI ) Overrun Error Status
AT91C_SPI_ENDRX EQU( 0x1 << 4 ); AT91C_SPI_ENDRX EQU( 0x1 << 4 );
- ( SPI ) End of Receiver Transfer - ( SPI ) End of Receiver Transfer
AT91C_SPI_ENDTX EQU( 0x1 << 5 ); AT91C_SPI_ENDTX EQU( 0x1 << 5 );
- ( SPI ) End of Receiver Transfer - ( SPI ) End of Receiver Transfer
AT91C_SPI_RXBUFF EQU( 0x1 << 6 ); AT91C_SPI_RXBUFF EQU( 0x1 << 6 );
- ( SPI ) RXBUFF Interrupt - ( SPI ) RXBUFF Interrupt
AT91C_SPI_TXBUFE EQU( 0x1 << 7 ); AT91C_SPI_TXBUFE EQU( 0x1 << 7 );
- ( SPI ) TXBUFE Interrupt - ( SPI ) TXBUFE Interrupt
AT91C_SPI_NSSR EQU( 0x1 << 8 ); AT91C_SPI_NSSR EQU( 0x1 << 8 );
- ( SPI ) NSSR Interrupt - ( SPI ) NSSR Interrupt
AT91C_SPI_TXEMPTY EQU( 0x1 << 9 ); AT91C_SPI_TXEMPTY EQU( 0x1 << 9 );
- ( SPI ) TXEMPTY Interrupt - ( SPI ) TXEMPTY Interrupt
AT91C_SPI_SPIENS EQU( 0x1 << 16 ); AT91C_SPI_SPIENS EQU( 0x1 << 16 );
- ( SPI ) Enable Status - ( SPI ) Enable Status
/* - -------- SPI_IER : (SPI Offset: 0x14) Interrupt Enable Register -------- */ /* - -------- SPI_IER : (SPI Offset: 0x14) Interrupt Enable Register -------- */
/* - -------- SPI_IDR : (SPI Offset: 0x18) Interrupt Disable Register -------- */ /* - -------- SPI_IDR : (SPI Offset: 0x18) Interrupt Disable Register -------- */
/* - -------- SPI_IMR : (SPI Offset: 0x1c) Interrupt Mask Register -------- */ /* - -------- SPI_IMR : (SPI Offset: 0x1c) Interrupt Mask Register -------- */
/* - -------- SPI_CSR : (SPI Offset: 0x30) Chip Select Register -------- */ /* - -------- SPI_CSR : (SPI Offset: 0x30) Chip Select Register -------- */
AT91C_SPI_CPOL EQU( 0x1 << 0 ); AT91C_SPI_CPOL EQU( 0x1 << 0 );
- ( SPI ) Clock Polarity - ( SPI ) Clock Polarity
AT91C_SPI_NCPHA EQU( 0x1 << 1 ); AT91C_SPI_NCPHA EQU( 0x1 << 1 );
- ( SPI ) Clock Phase - ( SPI ) Clock Phase
AT91C_SPI_CSAAT EQU( 0x1 << 3 ); AT91C_SPI_CSAAT EQU( 0x1 << 3 );
- ( SPI ) Chip Select Active After Transfer - ( SPI ) Chip Select Active After Transfer
AT91C_SPI_BITS EQU( 0xF << 4 ); AT91C_SPI_BITS EQU( 0xF << 4 );
- ( SPI ) Bits Per Transfer - ( SPI ) Bits Per Transfer
AT91C_SPI_BITS_8 EQU( 0x0 << 4 ); AT91C_SPI_BITS_8 EQU( 0x0 << 4 );
- ( SPI ) 8 Bits Per transfer - ( SPI ) 8 Bits Per transfer
AT91C_SPI_BITS_9 EQU( 0x1 << 4 ); AT91C_SPI_BITS_9 EQU( 0x1 << 4 );
- ( SPI ) 9 Bits Per transfer - ( SPI ) 9 Bits Per transfer
AT91C_SPI_BITS_10 EQU( 0x2 << 4 ); AT91C_SPI_BITS_10 EQU( 0x2 << 4 );
- ( SPI ) 10 Bits Per transfer - ( SPI ) 10 Bits Per transfer
@ -3342,59 +3342,59 @@ AT91C_PDC_RXTEN EQU( 0x1 << 0 );
- ( SPI ) 15 Bits Per transfer - ( SPI ) 15 Bits Per transfer
AT91C_SPI_BITS_16 EQU( 0x8 << 4 ); AT91C_SPI_BITS_16 EQU( 0x8 << 4 );
- ( SPI ) 16 Bits Per transfer - ( SPI ) 16 Bits Per transfer
AT91C_SPI_SCBR EQU( 0xFF << 8 ); AT91C_SPI_SCBR EQU( 0xFF << 8 );
- ( SPI ) Serial Clock Baud Rate - ( SPI ) Serial Clock Baud Rate
AT91C_SPI_DLYBS EQU( 0xFF << 16 ); AT91C_SPI_DLYBS EQU( 0xFF << 16 );
- ( SPI ) Delay Before SPCK - ( SPI ) Delay Before SPCK
AT91C_SPI_DLYBCT EQU( 0xFF << 24 ); AT91C_SPI_DLYBCT EQU( 0xFF << 24 );
- ( SPI ) Delay Between Consecutive Transfers - ( SPI ) Delay Between Consecutive Transfers
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - SOFTWARE API DEFINITION FOR Usart */ /* - SOFTWARE API DEFINITION FOR Usart */
/* - ***************************************************************************** */ /* - ***************************************************************************** */
/* - -------- US_CR : (USART Offset: 0x0) Debug Unit Control Register -------- */ /* - -------- US_CR : (USART Offset: 0x0) Debug Unit Control Register -------- */
AT91C_US_STTBRK EQU( 0x1 << 9 ); AT91C_US_STTBRK EQU( 0x1 << 9 );
- ( USART ) Start Break - ( USART ) Start Break
AT91C_US_STPBRK EQU( 0x1 << 10 ); AT91C_US_STPBRK EQU( 0x1 << 10 );
- ( USART ) Stop Break - ( USART ) Stop Break
AT91C_US_STTTO EQU( 0x1 << 11 ); AT91C_US_STTTO EQU( 0x1 << 11 );
- ( USART ) Start Time - out - ( USART ) Start Time - out
AT91C_US_SENDA EQU( 0x1 << 12 ); AT91C_US_SENDA EQU( 0x1 << 12 );
- ( USART ) Send Address - ( USART ) Send Address
AT91C_US_RSTIT EQU( 0x1 << 13 ); AT91C_US_RSTIT EQU( 0x1 << 13 );
- ( USART ) Reset Iterations - ( USART ) Reset Iterations
AT91C_US_RSTNACK EQU( 0x1 << 14 ); AT91C_US_RSTNACK EQU( 0x1 << 14 );
- ( USART ) Reset Non Acknowledge - ( USART ) Reset Non Acknowledge
AT91C_US_RETTO EQU( 0x1 << 15 ); AT91C_US_RETTO EQU( 0x1 << 15 );
- ( USART ) Rearm Time - out - ( USART ) Rearm Time - out
AT91C_US_DTREN EQU( 0x1 << 16 ); AT91C_US_DTREN EQU( 0x1 << 16 );
- ( USART ) Data Terminal ready Enable - ( USART ) Data Terminal ready Enable
AT91C_US_DTRDIS EQU( 0x1 << 17 ); AT91C_US_DTRDIS EQU( 0x1 << 17 );
- ( USART ) Data Terminal ready Disable - ( USART ) Data Terminal ready Disable
AT91C_US_RTSEN EQU( 0x1 << 18 ); AT91C_US_RTSEN EQU( 0x1 << 18 );
- ( USART ) Request to Send enable - ( USART ) Request to Send enable
AT91C_US_RTSDIS EQU( 0x1 << 19 ); AT91C_US_RTSDIS EQU( 0x1 << 19 );
- ( USART ) Request to Send Disable - ( USART ) Request to Send Disable
/* - -------- US_MR : (USART Offset: 0x4) Debug Unit Mode Register -------- */ /* - -------- US_MR : (USART Offset: 0x4) Debug Unit Mode Register -------- */
AT91C_US_USMODE EQU( 0xF << 0 ); AT91C_US_USMODE EQU( 0xF << 0 );
- ( USART ) Usart mode - ( USART ) Usart mode
AT91C_US_USMODE_NORMAL EQU( 0x0 ); AT91C_US_USMODE_NORMAL EQU( 0x0 );
- ( USART ) Normal - ( USART ) Normal
AT91C_US_USMODE_RS485 EQU( 0x1 ); AT91C_US_USMODE_RS485 EQU( 0x1 );
- ( USART ) RS485 - ( USART ) RS485
AT91C_US_USMODE_HWHSH EQU( 0x2 ); AT91C_US_USMODE_HWHSH EQU( 0x2 );
- ( USART ) Hardware Handshaking - ( USART ) Hardware Handshaking
AT91C_US_USMODE_MODEM EQU( 0x3 ); AT91C_US_USMODE_MODEM EQU( 0x3 );
- ( USART ) Modem - ( USART ) Modem
AT91C_US_USMODE_ISO7816_0 EQU( 0x4 ); AT91C_US_USMODE_ISO7816_0 EQU( 0x4 );
- ( USART ) ISO7816 protocol: T = 0 - ( USART ) ISO7816 protocol: T = 0
AT91C_US_USMODE_ISO7816_1 EQU( 0x6 ); AT91C_US_USMODE_ISO7816_1 EQU( 0x6 );
- ( USART ) ISO7816 protocol: T = 1 - ( USART ) ISO7816 protocol: T = 1
AT91C_US_USMODE_IRDA EQU( 0x8 ); AT91C_US_USMODE_IRDA EQU( 0x8 );
- ( USART ) IrDA - ( USART ) IrDA
AT91C_US_USMODE_SWHSH EQU( 0xC ); AT91C_US_USMODE_SWHSH EQU( 0xC );
- ( USART ) Software Handshaking - ( USART ) Software Handshaking
AT91C_US_CLKS EQU( 0x3 << 4 ); AT91C_US_CLKS EQU( 0x3 << 4 );
- ( USART ) Clock Selection ( Baud Rate generator Input Clock - ( USART ) Clock Selection ( Baud Rate generator Input Clock
AT91C_US_CLKS_CLOCK EQU( 0x0 << 4 ); AT91C_US_CLKS_CLOCK EQU( 0x0 << 4 );
-( USART ) Clock -( USART ) Clock

50
portable/GCC/ARM7_AT91SAM7S/lib_AT91SAM7X256.h
View file

@ -61,17 +61,17 @@ __inline unsigned int AT91F_AIC_ConfigureIt( AT91PS_AIC pAic, /*
unsigned int oldHandler; unsigned int oldHandler;
unsigned int mask; unsigned int mask;
oldHandler = pAic->AIC_SVR[ irq_id ]; oldHandler = pAic->AIC_SVR[ irq_id ];
mask = 0x1 << irq_id; mask = 0x1 << irq_id;
/** Disable the interrupt on the interrupt controller */ /** Disable the interrupt on the interrupt controller */
pAic->AIC_IDCR = mask; pAic->AIC_IDCR = mask;
/** Save the interrupt handler routine pointer and the interrupt priority */ /** Save the interrupt handler routine pointer and the interrupt priority */
pAic->AIC_SVR[ irq_id ] = ( unsigned int ) newHandler; pAic->AIC_SVR[ irq_id ] = ( unsigned int ) newHandler;
/** Store the Source Mode Register */ /** Store the Source Mode Register */
pAic->AIC_SMR[ irq_id ] = src_type | priority; pAic->AIC_SMR[ irq_id ] = src_type | priority;
/** Clear the interrupt on the interrupt controller */ /** Clear the interrupt on the interrupt controller */
pAic->AIC_ICCR = mask; pAic->AIC_ICCR = mask;
return oldHandler; return oldHandler;
} }
@ -1123,8 +1123,8 @@ __inline unsigned int AT91F_PMC_GetMasterClock( AT91PS_PMC pPMC, /* \arg
return AT91F_CKGR_GetMainClock( pCKGR, slowClock ) / prescaler; return AT91F_CKGR_GetMainClock( pCKGR, slowClock ) / prescaler;
case AT91C_PMC_CSS_PLL_CLK: /* PLLB clock is selected */ case AT91C_PMC_CSS_PLL_CLK: /* PLLB clock is selected */
reg = pCKGR->CKGR_PLLR; reg = pCKGR->CKGR_PLLR;
pllDivider = ( reg & AT91C_CKGR_DIV ); pllDivider = ( reg & AT91C_CKGR_DIV );
pllMultiplier = ( ( reg & AT91C_CKGR_MUL ) >> 16 ) + 1; pllMultiplier = ( ( reg & AT91C_CKGR_MUL ) >> 16 ) + 1;
return AT91F_CKGR_GetMainClock( pCKGR, slowClock ) / pllDivider * pllMultiplier / prescaler; return AT91F_CKGR_GetMainClock( pCKGR, slowClock ) / pllDivider * pllMultiplier / prescaler;
} }
@ -1141,7 +1141,7 @@ __inline void AT91F_PMC_EnablePCK( AT91PS_PMC pPMC, /* \arg pointer to PMC cont
unsigned int mode ) unsigned int mode )
{ {
pPMC->PMC_PCKR[ pck ] = mode; pPMC->PMC_PCKR[ pck ] = mode;
pPMC->PMC_SCER = ( 1 << pck ) << 8; pPMC->PMC_SCER = ( 1 << pck ) << 8;
} }
/**---------------------------------------------------------------------------- */ /**---------------------------------------------------------------------------- */
@ -1399,7 +1399,7 @@ __inline void AT91F_PITInit( AT91PS_PITC pPITC,
unsigned int period, unsigned int period,
unsigned int pit_frequency ) unsigned int pit_frequency )
{ {
pPITC->PITC_PIMR = period ? ( period * pit_frequency + 8 ) >> 4 : 0; /* +8 to avoid %10 and /10 */ pPITC->PITC_PIMR = period ? ( period * pit_frequency + 8 ) >> 4 : 0; /* +8 to avoid %10 and /10 */
pPITC->PITC_PIMR |= AT91C_PITC_PITEN; pPITC->PITC_PIMR |= AT91C_PITC_PITEN;
} }
@ -1768,16 +1768,16 @@ __inline void AT91F_SPI_Close( AT91PS_SPI pSPI ) /* \arg pointer to a SPI contro
pSPI->SPI_CSR[ 3 ] = 0; pSPI->SPI_CSR[ 3 ] = 0;
/** Reset the SPI mode */ /** Reset the SPI mode */
pSPI->SPI_MR = 0; pSPI->SPI_MR = 0;
/** Disable all interrupts */ /** Disable all interrupts */
pSPI->SPI_IDR = 0xFFFFFFFF; pSPI->SPI_IDR = 0xFFFFFFFF;
/** Abort the Peripheral Data Transfers */ /** Abort the Peripheral Data Transfers */
AT91F_PDC_Close( ( AT91PS_PDC ) &( pSPI->SPI_RPR ) ); AT91F_PDC_Close( ( AT91PS_PDC ) &( pSPI->SPI_RPR ) );
/** Disable receiver and transmitter and stop any activity immediately */ /** Disable receiver and transmitter and stop any activity immediately */
pSPI->SPI_CR = AT91C_SPI_SPIDIS; pSPI->SPI_CR = AT91C_SPI_SPIDIS;
} }
/**---------------------------------------------------------------------------- */ /**---------------------------------------------------------------------------- */
@ -1790,7 +1790,7 @@ __inline void AT91F_SPI_PutChar( AT91PS_SPI pSPI,
{ {
unsigned int value_for_cs; unsigned int value_for_cs;
value_for_cs = ( ~( 1 << cs_number ) ) & 0xF; /*Place a zero among a 4 ONEs number */ value_for_cs = ( ~( 1 << cs_number ) ) & 0xF; /*Place a zero among a 4 ONEs number */
pSPI->SPI_TDR = ( character & 0xFFFF ) | ( value_for_cs << 16 ); pSPI->SPI_TDR = ( character & 0xFFFF ) | ( value_for_cs << 16 );
} }
@ -1955,7 +1955,7 @@ __inline void AT91F_US_Configure( AT91PS_USART pUSART, /* \arg pointer to a
pUSART->US_IDR = ( unsigned int ) -1; pUSART->US_IDR = ( unsigned int ) -1;
/** Reset receiver and transmitter */ /** Reset receiver and transmitter */
pUSART->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX | AT91C_US_RXDIS | AT91C_US_TXDIS; pUSART->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX | AT91C_US_RXDIS | AT91C_US_TXDIS;
/** Define the baud rate divisor register */ /** Define the baud rate divisor register */
AT91F_US_SetBaudrate( pUSART, mainClock, baudRate ); AT91F_US_SetBaudrate( pUSART, mainClock, baudRate );
@ -1967,7 +1967,7 @@ __inline void AT91F_US_Configure( AT91PS_USART pUSART, /* \arg pointer to a
AT91F_PDC_Open( ( AT91PS_PDC ) &( pUSART->US_RPR ) ); AT91F_PDC_Open( ( AT91PS_PDC ) &( pUSART->US_RPR ) );
/** Define the USART mode */ /** Define the USART mode */
pUSART->US_MR = mode; pUSART->US_MR = mode;
} }
/**---------------------------------------------------------------------------- */ /**---------------------------------------------------------------------------- */
@ -2044,19 +2044,19 @@ __inline void AT91F_US_Close( AT91PS_USART pUSART ) /* \arg pointer to a USART c
pUSART->US_BRGR = 0; pUSART->US_BRGR = 0;
/** Reset the USART mode */ /** Reset the USART mode */
pUSART->US_MR = 0; pUSART->US_MR = 0;
/** Reset the Timeguard Register */ /** Reset the Timeguard Register */
pUSART->US_TTGR = 0; pUSART->US_TTGR = 0;
/** Disable all interrupts */ /** Disable all interrupts */
pUSART->US_IDR = 0xFFFFFFFF; pUSART->US_IDR = 0xFFFFFFFF;
/** Abort the Peripheral Data Transfers */ /** Abort the Peripheral Data Transfers */
AT91F_PDC_Close( ( AT91PS_PDC ) &( pUSART->US_RPR ) ); AT91F_PDC_Close( ( AT91PS_PDC ) &( pUSART->US_RPR ) );
/** Disable receiver and transmitter and stop any activity immediately */ /** Disable receiver and transmitter and stop any activity immediately */
pUSART->US_CR = AT91C_US_TXDIS | AT91C_US_RXDIS | AT91C_US_RSTTX | AT91C_US_RSTRX; pUSART->US_CR = AT91C_US_TXDIS | AT91C_US_RXDIS | AT91C_US_RSTTX | AT91C_US_RSTRX;
} }
/**---------------------------------------------------------------------------- */ /**---------------------------------------------------------------------------- */
@ -2230,10 +2230,10 @@ __inline void AT91F_SSC_Configure( AT91PS_SSC pSSC, /* \arg pointer to a
unsigned int mode_tx ) /* \arg mode Register to be programmed */ unsigned int mode_tx ) /* \arg mode Register to be programmed */
{ {
/** Disable interrupts */ /** Disable interrupts */
pSSC->SSC_IDR = ( unsigned int ) -1; pSSC->SSC_IDR = ( unsigned int ) -1;
/** Reset receiver and transmitter */ /** Reset receiver and transmitter */
pSSC->SSC_CR = AT91C_SSC_SWRST | AT91C_SSC_RXDIS | AT91C_SSC_TXDIS; pSSC->SSC_CR = AT91C_SSC_SWRST | AT91C_SSC_RXDIS | AT91C_SSC_TXDIS;
/** Define the Clock Mode Register */ /** Define the Clock Mode Register */
AT91F_SSC_SetBaudrate( pSSC, syst_clock, baud_rate ); AT91F_SSC_SetBaudrate( pSSC, syst_clock, baud_rate );
@ -2407,10 +2407,10 @@ __inline void AT91F_TWI_Configure( AT91PS_TWI pTWI ) /* \arg pointer to a TWI co
pTWI->TWI_IDR = ( unsigned int ) -1; pTWI->TWI_IDR = ( unsigned int ) -1;
/** Reset peripheral */ /** Reset peripheral */
pTWI->TWI_CR = AT91C_TWI_SWRST; pTWI->TWI_CR = AT91C_TWI_SWRST;
/** Set Master mode */ /** Set Master mode */
pTWI->TWI_CR = AT91C_TWI_MSEN; pTWI->TWI_CR = AT91C_TWI_MSEN;
} }
/**---------------------------------------------------------------------------- */ /**---------------------------------------------------------------------------- */
@ -2506,7 +2506,7 @@ __inline void AT91F_PWMC_CfgChannel( AT91PS_PWMC pPWM, /* \arg pointer to
unsigned int period, /* \arg PWM period */ unsigned int period, /* \arg PWM period */
unsigned int duty ) /* \arg PWM duty cycle */ unsigned int duty ) /* \arg PWM duty cycle */
{ {
pPWM->PWMC_CH[ channelId ].PWMC_CMR = mode; pPWM->PWMC_CH[ channelId ].PWMC_CMR = mode;
pPWM->PWMC_CH[ channelId ].PWMC_CDTYR = duty; pPWM->PWMC_CH[ channelId ].PWMC_CDTYR = duty;
pPWM->PWMC_CH[ channelId ].PWMC_CPRDR = period; pPWM->PWMC_CH[ channelId ].PWMC_CPRDR = period;
} }
@ -3210,9 +3210,9 @@ __inline void AT91F_ADC_CfgTimings( AT91PS_ADC pADC, /* point
{ {
unsigned int prescal, startup, shtim; unsigned int prescal, startup, shtim;
prescal = mck_clock / ( 2 * adc_clock ) - 1; prescal = mck_clock / ( 2 * adc_clock ) - 1;
startup = adc_clock * startup_time / 8 - 1; startup = adc_clock * startup_time / 8 - 1;
shtim = adc_clock * sample_and_hold_time / 1000 - 1; shtim = adc_clock * sample_and_hold_time / 1000 - 1;
/** Write to the MR register */ /** Write to the MR register */
pADC->ADC_MR = ( ( prescal << 8 ) & AT91C_ADC_PRESCAL ) | ( ( startup << 16 ) & AT91C_ADC_STARTUP ) | ( ( shtim << 24 ) & AT91C_ADC_SHTIM ); pADC->ADC_MR = ( ( prescal << 8 ) & AT91C_ADC_PRESCAL ) | ( ( startup << 16 ) & AT91C_ADC_STARTUP ) | ( ( shtim << 24 ) & AT91C_ADC_SHTIM );

3
portable/GCC/ARM7_AT91SAM7S/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -198,7 +199,7 @@ static void prvSetupTimerInterrupt( void )
#endif #endif
/* Configure the PIT period. */ /* Configure the PIT period. */
pxPIT->PITC_PIMR = portPIT_ENABLE | portPIT_INT_ENABLE | portPIT_COUNTER_VALUE; pxPIT->PITC_PIMR = portPIT_ENABLE | portPIT_INT_ENABLE | portPIT_COUNTER_VALUE;
/* Enable the interrupt. Global interrupts are disables at this point so /* Enable the interrupt. Global interrupts are disables at this point so
* this is safe. */ * this is safe. */

3
portable/GCC/ARM7_AT91SAM7S/portISR.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -118,7 +119,7 @@ void vPortYieldProcessor( void )
xTaskIncrementTick(); xTaskIncrementTick();
/* Clear the PIT interrupt. */ /* Clear the PIT interrupt. */
ulDummy = AT91C_BASE_PITC->PITC_PIVR; ulDummy = AT91C_BASE_PITC->PITC_PIVR;
/* End the interrupt in the AIC. */ /* End the interrupt in the AIC. */
AT91C_BASE_AIC->AIC_EOICR = ulDummy; AT91C_BASE_AIC->AIC_EOICR = ulDummy;

5
portable/GCC/ARM7_AT91SAM7S/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*
@ -106,7 +107,7 @@
#define portRESTORE_CONTEXT() \ #define portRESTORE_CONTEXT() \
{ \ { \
extern volatile void * volatile pxCurrentTCB; \ extern volatile void * volatile pxCurrentTCB; \
extern volatile uint32_t ulCriticalNesting; \ extern volatile uint32_t ulCriticalNesting; \
\ \
/* Set the LR to the task stack. */ \ /* Set the LR to the task stack. */ \
__asm volatile ( \ __asm volatile ( \
@ -143,7 +144,7 @@
#define portSAVE_CONTEXT() \ #define portSAVE_CONTEXT() \
{ \ { \
extern volatile void * volatile pxCurrentTCB; \ extern volatile void * volatile pxCurrentTCB; \
extern volatile uint32_t ulCriticalNesting; \ extern volatile uint32_t ulCriticalNesting; \
\ \
/* Push R0 as we are going to use the register. */ \ /* Push R0 as we are going to use the register. */ \
__asm volatile ( \ __asm volatile ( \

17
portable/GCC/ARM7_LPC2000/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -186,7 +187,7 @@ static void prvSetupTimerInterrupt( void )
/* A 1ms tick does not require the use of the timer prescale. This is /* A 1ms tick does not require the use of the timer prescale. This is
* defaulted to zero but can be used if necessary. */ * defaulted to zero but can be used if necessary. */
T0_PR = portPRESCALE_VALUE; T0_PR = portPRESCALE_VALUE;
/* Calculate the match value required for our wanted tick rate. */ /* Calculate the match value required for our wanted tick rate. */
ulCompareMatch = configCPU_CLOCK_HZ / configTICK_RATE_HZ; ulCompareMatch = configCPU_CLOCK_HZ / configTICK_RATE_HZ;
@ -198,23 +199,23 @@ static void prvSetupTimerInterrupt( void )
ulCompareMatch /= ( portPRESCALE_VALUE + 1 ); ulCompareMatch /= ( portPRESCALE_VALUE + 1 );
} }
#endif #endif
T0_MR0 = ulCompareMatch; T0_MR0 = ulCompareMatch;
/* Generate tick with timer 0 compare match. */ /* Generate tick with timer 0 compare match. */
T0_MCR = portRESET_COUNT_ON_MATCH | portINTERRUPT_ON_MATCH; T0_MCR = portRESET_COUNT_ON_MATCH | portINTERRUPT_ON_MATCH;
/* Setup the VIC for the timer. */ /* Setup the VIC for the timer. */
VICIntSelect &= ~( portTIMER_VIC_CHANNEL_BIT ); VICIntSelect &= ~( portTIMER_VIC_CHANNEL_BIT );
VICIntEnable |= portTIMER_VIC_CHANNEL_BIT; VICIntEnable |= portTIMER_VIC_CHANNEL_BIT;
/* The ISR installed depends on whether the preemptive or cooperative /* The ISR installed depends on whether the preemptive or cooperative
* scheduler is being used. */ * scheduler is being used. */
VICVectAddr0 = ( int32_t ) vTickISR; VICVectAddr0 = ( int32_t ) vTickISR;
VICVectCntl0 = portTIMER_VIC_CHANNEL | portTIMER_VIC_ENABLE; VICVectCntl0 = portTIMER_VIC_CHANNEL | portTIMER_VIC_ENABLE;
/* Start the timer - interrupts are disabled when this function is called /* Start the timer - interrupts are disabled when this function is called
* so it is okay to do this here. */ * so it is okay to do this here. */
T0_TCR = portENABLE_TIMER; T0_TCR = portENABLE_TIMER;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

3
portable/GCC/ARM7_LPC2000/portISR.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -128,7 +129,7 @@ void vTickISR( void )
); );
/* Ready for the next interrupt. */ /* Ready for the next interrupt. */
T0_IR = portTIMER_MATCH_ISR_BIT; T0_IR = portTIMER_MATCH_ISR_BIT;
VICVectAddr = portCLEAR_VIC_INTERRUPT; VICVectAddr = portCLEAR_VIC_INTERRUPT;
/* Restore the context of the new task. */ /* Restore the context of the new task. */

5
portable/GCC/ARM7_LPC2000/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
@ -83,7 +84,7 @@
#define portRESTORE_CONTEXT() \ #define portRESTORE_CONTEXT() \
{ \ { \
extern volatile void * volatile pxCurrentTCB; \ extern volatile void * volatile pxCurrentTCB; \
extern volatile uint32_t ulCriticalNesting; \ extern volatile uint32_t ulCriticalNesting; \
\ \
/* Set the LR to the task stack. */ \ /* Set the LR to the task stack. */ \
__asm volatile ( \ __asm volatile ( \
@ -120,7 +121,7 @@
#define portSAVE_CONTEXT() \ #define portSAVE_CONTEXT() \
{ \ { \
extern volatile void * volatile pxCurrentTCB; \ extern volatile void * volatile pxCurrentTCB; \
extern volatile uint32_t ulCriticalNesting; \ extern volatile uint32_t ulCriticalNesting; \
\ \
/* Push R0 as we are going to use the register. */ \ /* Push R0 as we are going to use the register. */ \
__asm volatile ( \ __asm volatile ( \

19
portable/GCC/ARM7_LPC23xx/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -182,13 +183,13 @@ static void prvSetupTimerInterrupt( void )
{ {
uint32_t ulCompareMatch; uint32_t ulCompareMatch;
PCLKSEL0 = ( PCLKSEL0 & ( ~( 0x3 << 2 ) ) ) | ( 0x01 << 2 ); PCLKSEL0 = ( PCLKSEL0 & ( ~( 0x3 << 2 ) ) ) | ( 0x01 << 2 );
T0TCR = 2; /* Stop and reset the timer */ T0TCR = 2; /* Stop and reset the timer */
T0CTCR = 0; /* Timer mode */ T0CTCR = 0; /* Timer mode */
/* A 1ms tick does not require the use of the timer prescale. This is /* A 1ms tick does not require the use of the timer prescale. This is
* defaulted to zero but can be used if necessary. */ * defaulted to zero but can be used if necessary. */
T0PR = portPRESCALE_VALUE; T0PR = portPRESCALE_VALUE;
/* Calculate the match value required for our wanted tick rate. */ /* Calculate the match value required for our wanted tick rate. */
ulCompareMatch = configCPU_CLOCK_HZ / configTICK_RATE_HZ; ulCompareMatch = configCPU_CLOCK_HZ / configTICK_RATE_HZ;
@ -200,13 +201,13 @@ static void prvSetupTimerInterrupt( void )
ulCompareMatch /= ( portPRESCALE_VALUE + 1 ); ulCompareMatch /= ( portPRESCALE_VALUE + 1 );
} }
#endif #endif
T0MR1 = ulCompareMatch; T0MR1 = ulCompareMatch;
/* Generate tick with timer 0 compare match. */ /* Generate tick with timer 0 compare match. */
T0MCR = ( 3 << 3 ); /* Reset timer on match and generate interrupt */ T0MCR = ( 3 << 3 ); /* Reset timer on match and generate interrupt */
/* Setup the VIC for the timer. */ /* Setup the VIC for the timer. */
VICIntEnable = 0x00000010; VICIntEnable = 0x00000010;
/* The ISR installed depends on whether the preemptive or cooperative /* The ISR installed depends on whether the preemptive or cooperative
* scheduler is being used. */ * scheduler is being used. */
@ -222,10 +223,10 @@ static void prvSetupTimerInterrupt( void )
} }
#endif #endif
VICVectCntl4 = 1; VICVectCntl4 = 1;
/* Start the timer - interrupts are disabled when this function is called /* Start the timer - interrupts are disabled when this function is called
* so it is okay to do this here. */ * so it is okay to do this here. */
T0TCR = portENABLE_TIMER; T0TCR = portENABLE_TIMER;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

5
portable/GCC/ARM7_LPC23xx/portISR.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
@ -103,7 +104,7 @@ void vPortYieldProcessor( void )
void vNonPreemptiveTick( void ) void vNonPreemptiveTick( void )
{ {
xTaskIncrementTick(); xTaskIncrementTick();
T0IR = 2; T0IR = 2;
VICVectAddr = portCLEAR_VIC_INTERRUPT; VICVectAddr = portCLEAR_VIC_INTERRUPT;
} }
@ -129,7 +130,7 @@ void vPortYieldProcessor( void )
); );
/* Ready for the next interrupt. */ /* Ready for the next interrupt. */
T0IR = 2; T0IR = 2;
VICVectAddr = portCLEAR_VIC_INTERRUPT; VICVectAddr = portCLEAR_VIC_INTERRUPT;
/* Restore the context of the new task. */ /* Restore the context of the new task. */

5
portable/GCC/ARM7_LPC23xx/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* /*
@ -106,7 +107,7 @@
#define portRESTORE_CONTEXT() \ #define portRESTORE_CONTEXT() \
{ \ { \
extern volatile void * volatile pxCurrentTCB; \ extern volatile void * volatile pxCurrentTCB; \
extern volatile uint32_t ulCriticalNesting; \ extern volatile uint32_t ulCriticalNesting; \
\ \
/* Set the LR to the task stack. */ \ /* Set the LR to the task stack. */ \
__asm volatile ( \ __asm volatile ( \
@ -143,7 +144,7 @@
#define portSAVE_CONTEXT() \ #define portSAVE_CONTEXT() \
{ \ { \
extern volatile void * volatile pxCurrentTCB; \ extern volatile void * volatile pxCurrentTCB; \
extern volatile uint32_t ulCriticalNesting; \ extern volatile uint32_t ulCriticalNesting; \
\ \
/* Push R0 as we are going to use the register. */ \ /* Push R0 as we are going to use the register. */ \
__asm volatile ( \ __asm volatile ( \

25
portable/GCC/ARM_CA53_64_BIT/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */
@ -146,23 +147,23 @@ extern void vPortRestoreTaskContext( void );
* a non zero value to ensure interrupts don't inadvertently become unmasked before * a non zero value to ensure interrupts don't inadvertently become unmasked before
* the scheduler starts. As it is stored as part of the task context it will * the scheduler starts. As it is stored as part of the task context it will
* automatically be set to 0 when the first task is started. */ * automatically be set to 0 when the first task is started. */
volatile uint64_t ullCriticalNesting = 9999ULL; volatile uint64_t ullCriticalNesting = 9999ULL;
/* Saved as part of the task context. If ullPortTaskHasFPUContext is non-zero /* Saved as part of the task context. If ullPortTaskHasFPUContext is non-zero
* then floating point context must be saved and restored for the task. */ * then floating point context must be saved and restored for the task. */
uint64_t ullPortTaskHasFPUContext = pdFALSE; uint64_t ullPortTaskHasFPUContext = pdFALSE;
/* Set to 1 to pend a context switch from an ISR. */ /* Set to 1 to pend a context switch from an ISR. */
uint64_t ullPortYieldRequired = pdFALSE; uint64_t ullPortYieldRequired = pdFALSE;
/* Counts the interrupt nesting depth. A context switch is only performed if /* Counts the interrupt nesting depth. A context switch is only performed if
* if the nesting depth is 0. */ * if the nesting depth is 0. */
uint64_t ullPortInterruptNesting = 0; uint64_t ullPortInterruptNesting = 0;
/* Used in the ASM code. */ /* Used in the ASM code. */
__attribute__( ( used ) ) const uint64_t ullICCEOIR = portICCEOIR_END_OF_INTERRUPT_REGISTER_ADDRESS; __attribute__( ( used ) ) const uint64_t ullICCEOIR = portICCEOIR_END_OF_INTERRUPT_REGISTER_ADDRESS;
__attribute__( ( used ) ) const uint64_t ullICCIAR = portICCIAR_INTERRUPT_ACKNOWLEDGE_REGISTER_ADDRESS; __attribute__( ( used ) ) const uint64_t ullICCIAR = portICCIAR_INTERRUPT_ACKNOWLEDGE_REGISTER_ADDRESS;
__attribute__( ( used ) ) const uint64_t ullICCPMR = portICCPMR_PRIORITY_MASK_REGISTER_ADDRESS; __attribute__( ( used ) ) const uint64_t ullICCPMR = portICCPMR_PRIORITY_MASK_REGISTER_ADDRESS;
__attribute__( ( used ) ) const uint64_t ullMaxAPIPriorityMask = ( configMAX_API_CALL_INTERRUPT_PRIORITY << portPRIORITY_SHIFT ); __attribute__( ( used ) ) const uint64_t ullMaxAPIPriorityMask = ( configMAX_API_CALL_INTERRUPT_PRIORITY << portPRIORITY_SHIFT );
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -270,21 +271,21 @@ BaseType_t xPortStartScheduler( void )
#if ( configASSERT_DEFINED == 1 ) #if ( configASSERT_DEFINED == 1 )
{ {
volatile uint32_t ulOriginalPriority; volatile uint32_t ulOriginalPriority;
volatile uint8_t * const pucFirstUserPriorityRegister = ( volatile uint8_t * const ) ( configINTERRUPT_CONTROLLER_BASE_ADDRESS + portINTERRUPT_PRIORITY_REGISTER_OFFSET ); volatile uint8_t * const pucFirstUserPriorityRegister = ( volatile uint8_t * const ) ( configINTERRUPT_CONTROLLER_BASE_ADDRESS + portINTERRUPT_PRIORITY_REGISTER_OFFSET );
volatile uint8_t ucMaxPriorityValue; volatile uint8_t ucMaxPriorityValue;
/* Determine how many priority bits are implemented in the GIC. /* Determine how many priority bits are implemented in the GIC.
* *
* Save the interrupt priority value that is about to be clobbered. */ * Save the interrupt priority value that is about to be clobbered. */
ulOriginalPriority = *pucFirstUserPriorityRegister; ulOriginalPriority = *pucFirstUserPriorityRegister;
/* Determine the number of priority bits available. First write to /* Determine the number of priority bits available. First write to
* all possible bits. */ * all possible bits. */
*pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE; *pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE;
/* Read the value back to see how many bits stuck. */ /* Read the value back to see how many bits stuck. */
ucMaxPriorityValue = *pucFirstUserPriorityRegister; ucMaxPriorityValue = *pucFirstUserPriorityRegister;
/* Shift to the least significant bits. */ /* Shift to the least significant bits. */
while( ( ucMaxPriorityValue & portBIT_0_SET ) != portBIT_0_SET ) while( ( ucMaxPriorityValue & portBIT_0_SET ) != portBIT_0_SET )
@ -473,7 +474,7 @@ UBaseType_t uxPortSetInterruptMask( void )
} }
else else
{ {
ulReturn = pdFALSE; ulReturn = pdFALSE;
portICCPMR_PRIORITY_MASK_REGISTER = ( uint32_t ) ( configMAX_API_CALL_INTERRUPT_PRIORITY << portPRIORITY_SHIFT ); portICCPMR_PRIORITY_MASK_REGISTER = ( uint32_t ) ( configMAX_API_CALL_INTERRUPT_PRIORITY << portPRIORITY_SHIFT );
__asm volatile ( "dsb sy \n" __asm volatile ( "dsb sy \n"
"isb sy \n"::: "memory" ); "isb sy \n"::: "memory" );

3
portable/GCC/ARM_CA53_64_BIT/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
@ -152,7 +153,7 @@
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __builtin_clz( uxReadyPriorities ) ) #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __builtin_clz( uxReadyPriorities ) )
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */

27
portable/GCC/ARM_CA9/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */
@ -191,23 +192,23 @@ void vApplicationFPUSafeIRQHandler( uint32_t ulICCIAR ) __attribute__( ( weak )
* a non zero value to ensure interrupts don't inadvertently become unmasked before * a non zero value to ensure interrupts don't inadvertently become unmasked before
* the scheduler starts. As it is stored as part of the task context it will * the scheduler starts. As it is stored as part of the task context it will
* automatically be set to 0 when the first task is started. */ * automatically be set to 0 when the first task is started. */
volatile uint32_t ulCriticalNesting = 9999UL; volatile uint32_t ulCriticalNesting = 9999UL;
/* Saved as part of the task context. If ulPortTaskHasFPUContext is non-zero then /* Saved as part of the task context. If ulPortTaskHasFPUContext is non-zero then
* a floating point context must be saved and restored for the task. */ * a floating point context must be saved and restored for the task. */
volatile uint32_t ulPortTaskHasFPUContext = pdFALSE; volatile uint32_t ulPortTaskHasFPUContext = pdFALSE;
/* Set to 1 to pend a context switch from an ISR. */ /* Set to 1 to pend a context switch from an ISR. */
volatile uint32_t ulPortYieldRequired = pdFALSE; volatile uint32_t ulPortYieldRequired = pdFALSE;
/* Counts the interrupt nesting depth. A context switch is only performed if /* Counts the interrupt nesting depth. A context switch is only performed if
* if the nesting depth is 0. */ * if the nesting depth is 0. */
volatile uint32_t ulPortInterruptNesting = 0UL; volatile uint32_t ulPortInterruptNesting = 0UL;
/* Used in the asm file. */ /* Used in the asm file. */
__attribute__( ( used ) ) const uint32_t ulICCIAR = portICCIAR_INTERRUPT_ACKNOWLEDGE_REGISTER_ADDRESS; __attribute__( ( used ) ) const uint32_t ulICCIAR = portICCIAR_INTERRUPT_ACKNOWLEDGE_REGISTER_ADDRESS;
__attribute__( ( used ) ) const uint32_t ulICCEOIR = portICCEOIR_END_OF_INTERRUPT_REGISTER_ADDRESS; __attribute__( ( used ) ) const uint32_t ulICCEOIR = portICCEOIR_END_OF_INTERRUPT_REGISTER_ADDRESS;
__attribute__( ( used ) ) const uint32_t ulICCPMR = portICCPMR_PRIORITY_MASK_REGISTER_ADDRESS; __attribute__( ( used ) ) const uint32_t ulICCPMR = portICCPMR_PRIORITY_MASK_REGISTER_ADDRESS;
__attribute__( ( used ) ) const uint32_t ulMaxAPIPriorityMask = ( configMAX_API_CALL_INTERRUPT_PRIORITY << portPRIORITY_SHIFT ); __attribute__( ( used ) ) const uint32_t ulMaxAPIPriorityMask = ( configMAX_API_CALL_INTERRUPT_PRIORITY << portPRIORITY_SHIFT );
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -291,11 +292,11 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
{ {
/* The task will start with a floating point context. Leave enough /* The task will start with a floating point context. Leave enough
* space for the registers - and ensure they are initialised to 0. */ * space for the registers - and ensure they are initialised to 0. */
pxTopOfStack -= portFPU_REGISTER_WORDS; pxTopOfStack -= portFPU_REGISTER_WORDS;
memset( pxTopOfStack, 0x00, portFPU_REGISTER_WORDS * sizeof( StackType_t ) ); memset( pxTopOfStack, 0x00, portFPU_REGISTER_WORDS * sizeof( StackType_t ) );
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = pdTRUE; *pxTopOfStack = pdTRUE;
ulPortTaskHasFPUContext = pdTRUE; ulPortTaskHasFPUContext = pdTRUE;
} }
#else /* if ( configUSE_TASK_FPU_SUPPORT == 1 ) */ #else /* if ( configUSE_TASK_FPU_SUPPORT == 1 ) */
@ -331,21 +332,21 @@ BaseType_t xPortStartScheduler( void )
#if ( configASSERT_DEFINED == 1 ) #if ( configASSERT_DEFINED == 1 )
{ {
volatile uint32_t ulOriginalPriority; volatile uint32_t ulOriginalPriority;
volatile uint8_t * const pucFirstUserPriorityRegister = ( volatile uint8_t * const ) ( configINTERRUPT_CONTROLLER_BASE_ADDRESS + portINTERRUPT_PRIORITY_REGISTER_OFFSET ); volatile uint8_t * const pucFirstUserPriorityRegister = ( volatile uint8_t * const ) ( configINTERRUPT_CONTROLLER_BASE_ADDRESS + portINTERRUPT_PRIORITY_REGISTER_OFFSET );
volatile uint8_t ucMaxPriorityValue; volatile uint8_t ucMaxPriorityValue;
/* Determine how many priority bits are implemented in the GIC. /* Determine how many priority bits are implemented in the GIC.
* *
* Save the interrupt priority value that is about to be clobbered. */ * Save the interrupt priority value that is about to be clobbered. */
ulOriginalPriority = *pucFirstUserPriorityRegister; ulOriginalPriority = *pucFirstUserPriorityRegister;
/* Determine the number of priority bits available. First write to /* Determine the number of priority bits available. First write to
* all possible bits. */ * all possible bits. */
*pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE; *pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE;
/* Read the value back to see how many bits stuck. */ /* Read the value back to see how many bits stuck. */
ucMaxPriorityValue = *pucFirstUserPriorityRegister; ucMaxPriorityValue = *pucFirstUserPriorityRegister;
/* Shift to the least significant bits. */ /* Shift to the least significant bits. */
while( ( ucMaxPriorityValue & portBIT_0_SET ) != portBIT_0_SET ) while( ( ucMaxPriorityValue & portBIT_0_SET ) != portBIT_0_SET )
@ -519,7 +520,7 @@ uint32_t ulPortSetInterruptMask( void )
} }
else else
{ {
ulReturn = pdFALSE; ulReturn = pdFALSE;
portICCPMR_PRIORITY_MASK_REGISTER = ( uint32_t ) ( configMAX_API_CALL_INTERRUPT_PRIORITY << portPRIORITY_SHIFT ); portICCPMR_PRIORITY_MASK_REGISTER = ( uint32_t ) ( configMAX_API_CALL_INTERRUPT_PRIORITY << portPRIORITY_SHIFT );
__asm volatile ( "dsb \n" __asm volatile ( "dsb \n"
"isb \n"::: "memory" ); "isb \n"::: "memory" );

3
portable/GCC/ARM_CA9/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
@ -149,7 +150,7 @@
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) __builtin_clz( uxReadyPriorities ) ) #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) __builtin_clz( uxReadyPriorities ) )
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */

47
portable/GCC/ARM_CM0/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/*----------------------------------------------------------- /*-----------------------------------------------------------
@ -97,7 +98,7 @@ static void prvTaskExitError( void );
/* Each task maintains its own interrupt status in the critical nesting /* Each task maintains its own interrupt status in the critical nesting
* variable. */ * variable. */
static UBaseType_t uxCriticalNesting = 0xaaaaaaaa; static UBaseType_t uxCriticalNesting = 0xaaaaaaaa;
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -105,7 +106,7 @@ static UBaseType_t uxCriticalNesting = 0xaaaaaaaa;
* The number of SysTick increments that make up one tick period. * The number of SysTick increments that make up one tick period.
*/ */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
static uint32_t ulTimerCountsForOneTick = 0; static uint32_t ulTimerCountsForOneTick = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* /*
@ -121,7 +122,7 @@ static UBaseType_t uxCriticalNesting = 0xaaaaaaaa;
* power functionality only. * power functionality only.
*/ */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
static uint32_t ulStoppedTimerCompensation = 0; static uint32_t ulStoppedTimerCompensation = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -224,7 +225,7 @@ BaseType_t xPortStartScheduler( void )
vPortSetupTimerInterrupt(); vPortSetupTimerInterrupt();
/* Initialise the critical nesting count ready for the first task. */ /* Initialise the critical nesting count ready for the first task. */
uxCriticalNesting = 0; uxCriticalNesting = 0;
/* Start the first task. */ /* Start the first task. */
vPortStartFirstTask(); vPortStartFirstTask();
@ -380,19 +381,19 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void )
/* Calculate the constants required to configure the tick interrupt. */ /* Calculate the constants required to configure the tick interrupt. */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
{ {
ulTimerCountsForOneTick = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ); ulTimerCountsForOneTick = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ );
xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick; xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick;
ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR; ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR;
} }
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* Stop and reset the SysTick. */ /* Stop and reset the SysTick. */
portNVIC_SYSTICK_CTRL_REG = 0UL; portNVIC_SYSTICK_CTRL_REG = 0UL;
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Configure SysTick to interrupt at the requested rate. */ /* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; portNVIC_SYSTICK_LOAD_REG = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG = portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -400,7 +401,7 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void )
__attribute__( ( weak ) ) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ) __attribute__( ( weak ) ) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
{ {
uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements; uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements;
TickType_t xModifiableIdleTime; TickType_t xModifiableIdleTime;
/* Make sure the SysTick reload value does not overflow the counter. */ /* Make sure the SysTick reload value does not overflow the counter. */
@ -418,7 +419,7 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void )
/* Calculate the reload value required to wait xExpectedIdleTime /* Calculate the reload value required to wait xExpectedIdleTime
* tick periods. -1 is used because this code will execute part way * tick periods. -1 is used because this code will execute part way
* through one of the tick periods. */ * through one of the tick periods. */
ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) ); ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) );
if( ulReloadValue > ulStoppedTimerCompensation ) if( ulReloadValue > ulStoppedTimerCompensation )
{ {
@ -437,14 +438,14 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void )
{ {
/* Restart from whatever is left in the count register to complete /* Restart from whatever is left in the count register to complete
* this tick period. */ * this tick period. */
portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG; portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Reset the reload register to the value required for normal tick /* Reset the reload register to the value required for normal tick
* periods. */ * periods. */
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Re-enable interrupts - see comments above the cpsid instruction() /* Re-enable interrupts - see comments above the cpsid instruction()
* above. */ * above. */
@ -453,21 +454,21 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void )
else else
{ {
/* Set the new reload value. */ /* Set the new reload value. */
portNVIC_SYSTICK_LOAD_REG = ulReloadValue; portNVIC_SYSTICK_LOAD_REG = ulReloadValue;
/* Clear the SysTick count flag and set the count value back to /* Clear the SysTick count flag and set the count value back to
* zero. */ * zero. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Sleep until something happens. configPRE_SLEEP_PROCESSING() can /* Sleep until something happens. configPRE_SLEEP_PROCESSING() can
* set its parameter to 0 to indicate that its implementation contains * set its parameter to 0 to indicate that its implementation contains
* its own wait for interrupt or wait for event instruction, and so wfi * its own wait for interrupt or wait for event instruction, and so wfi
* should not be executed again. However, the original expected idle * should not be executed again. However, the original expected idle
* time variable must remain unmodified, so a copy is taken. */ * time variable must remain unmodified, so a copy is taken. */
xModifiableIdleTime = xExpectedIdleTime; xModifiableIdleTime = xExpectedIdleTime;
configPRE_SLEEP_PROCESSING( xModifiableIdleTime ); configPRE_SLEEP_PROCESSING( xModifiableIdleTime );
if( xModifiableIdleTime > 0 ) if( xModifiableIdleTime > 0 )
@ -501,7 +502,7 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void )
* be, but using the tickless mode will inevitably result in some tiny * be, but using the tickless mode will inevitably result in some tiny
* drift of the time maintained by the kernel with respect to calendar * drift of the time maintained by the kernel with respect to calendar
* time*/ * time*/
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT ); portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT );
/* Determine if the SysTick clock has already counted to zero and /* Determine if the SysTick clock has already counted to zero and
* been set back to the current reload value (the reload back being * been set back to the current reload value (the reload back being
@ -516,7 +517,7 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void )
* reloaded with ulReloadValue. Reset the * reloaded with ulReloadValue. Reset the
* portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick * portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick
* period. */ * period. */
ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG ); ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG );
/* Don't allow a tiny value, or values that have somehow /* Don't allow a tiny value, or values that have somehow
* underflowed because the post sleep hook did something * underflowed because the post sleep hook did something
@ -531,7 +532,7 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void )
/* As the pending tick will be processed as soon as this /* As the pending tick will be processed as soon as this
* function exits, the tick value maintained by the tick is stepped * function exits, the tick value maintained by the tick is stepped
* forward by one less than the time spent waiting. */ * forward by one less than the time spent waiting. */
ulCompleteTickPeriods = xExpectedIdleTime - 1UL; ulCompleteTickPeriods = xExpectedIdleTime - 1UL;
} }
else else
{ {
@ -543,20 +544,20 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void )
/* How many complete tick periods passed while the processor /* How many complete tick periods passed while the processor
* was waiting? */ * was waiting? */
ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick; ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick;
/* The reload value is set to whatever fraction of a single tick /* The reload value is set to whatever fraction of a single tick
* period remains. */ * period remains. */
portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements; portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements;
} }
/* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG /* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG
* again, then set portNVIC_SYSTICK_LOAD_REG back to its standard * again, then set portNVIC_SYSTICK_LOAD_REG back to its standard
* value. */ * value. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
vTaskStepTick( ulCompleteTickPeriods ); vTaskStepTick( ulCompleteTickPeriods );
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Exit with interrpts enabled. */ /* Exit with interrpts enabled. */
__asm volatile ( "cpsie i" ::: "memory" ); __asm volatile ( "cpsie i" ::: "memory" );

1
portable/GCC/ARM_CM0/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */

215
portable/GCC/ARM_CM23/non_secure/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining /* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining
@ -349,7 +350,7 @@ portDONT_DISCARD void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) PRIV
* @brief Each task maintains its own interrupt status in the critical nesting * @brief Each task maintains its own interrupt status in the critical nesting
* variable. * variable.
*/ */
static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaUL; static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaUL;
#if ( configENABLE_TRUSTZONE == 1 ) #if ( configENABLE_TRUSTZONE == 1 )
@ -365,26 +366,26 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
/** /**
* @brief The number of SysTick increments that make up one tick period. * @brief The number of SysTick increments that make up one tick period.
*/ */
static uint32_t ulTimerCountsForOneTick = 0; static uint32_t ulTimerCountsForOneTick = 0;
/** /**
* @brief The maximum number of tick periods that can be suppressed is * @brief The maximum number of tick periods that can be suppressed is
* limited by the 24 bit resolution of the SysTick timer. * limited by the 24 bit resolution of the SysTick timer.
*/ */
static uint32_t xMaximumPossibleSuppressedTicks = 0; static uint32_t xMaximumPossibleSuppressedTicks = 0;
/** /**
* @brief Compensate for the CPU cycles that pass while the SysTick is * @brief Compensate for the CPU cycles that pass while the SysTick is
* stopped (low power functionality only). * stopped (low power functionality only).
*/ */
static uint32_t ulStoppedTimerCompensation = 0; static uint32_t ulStoppedTimerCompensation = 0;
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
__attribute__( ( weak ) ) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ) __attribute__( ( weak ) ) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
{ {
uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements; uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements;
TickType_t xModifiableIdleTime; TickType_t xModifiableIdleTime;
/* Make sure the SysTick reload value does not overflow the counter. */ /* Make sure the SysTick reload value does not overflow the counter. */
@ -402,7 +403,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
/* Calculate the reload value required to wait xExpectedIdleTime /* Calculate the reload value required to wait xExpectedIdleTime
* tick periods. -1 is used because this code will execute part way * tick periods. -1 is used because this code will execute part way
* through one of the tick periods. */ * through one of the tick periods. */
ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) ); ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) );
if( ulReloadValue > ulStoppedTimerCompensation ) if( ulReloadValue > ulStoppedTimerCompensation )
{ {
@ -421,14 +422,14 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
{ {
/* Restart from whatever is left in the count register to complete /* Restart from whatever is left in the count register to complete
* this tick period. */ * this tick period. */
portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG; portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Reset the reload register to the value required for normal tick /* Reset the reload register to the value required for normal tick
* periods. */ * periods. */
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Re-enable interrupts - see comments above the cpsid instruction() /* Re-enable interrupts - see comments above the cpsid instruction()
* above. */ * above. */
@ -437,14 +438,14 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
else else
{ {
/* Set the new reload value. */ /* Set the new reload value. */
portNVIC_SYSTICK_LOAD_REG = ulReloadValue; portNVIC_SYSTICK_LOAD_REG = ulReloadValue;
/* Clear the SysTick count flag and set the count value back to /* Clear the SysTick count flag and set the count value back to
* zero. */ * zero. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Restart SysTick. */ /* Restart SysTick. */
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
/* Sleep until something happens. configPRE_SLEEP_PROCESSING() can /* Sleep until something happens. configPRE_SLEEP_PROCESSING() can
* set its parameter to 0 to indicate that its implementation * set its parameter to 0 to indicate that its implementation
@ -452,7 +453,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
* instruction, and so wfi should not be executed again. However, * instruction, and so wfi should not be executed again. However,
* the original expected idle time variable must remain unmodified, * the original expected idle time variable must remain unmodified,
* so a copy is taken. */ * so a copy is taken. */
xModifiableIdleTime = xExpectedIdleTime; xModifiableIdleTime = xExpectedIdleTime;
configPRE_SLEEP_PROCESSING( xModifiableIdleTime ); configPRE_SLEEP_PROCESSING( xModifiableIdleTime );
if( xModifiableIdleTime > 0 ) if( xModifiableIdleTime > 0 )
@ -486,7 +487,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
* best it can be, but using the tickless mode will inevitably * best it can be, but using the tickless mode will inevitably
* result in some tiny drift of the time maintained by the kernel * result in some tiny drift of the time maintained by the kernel
* with respect to calendar time*/ * with respect to calendar time*/
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT ); portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT );
/* Determine if the SysTick clock has already counted to zero and /* Determine if the SysTick clock has already counted to zero and
* been set back to the current reload value (the reload back being * been set back to the current reload value (the reload back being
@ -501,7 +502,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
* reloaded with ulReloadValue. Reset the * reloaded with ulReloadValue. Reset the
* portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick * portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick
* period. */ * period. */
ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG ); ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG );
/* Don't allow a tiny value, or values that have somehow /* Don't allow a tiny value, or values that have somehow
* underflowed because the post sleep hook did something * underflowed because the post sleep hook did something
@ -516,7 +517,7 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
/* As the pending tick will be processed as soon as this /* As the pending tick will be processed as soon as this
* function exits, the tick value maintained by the tick is * function exits, the tick value maintained by the tick is
* stepped forward by one less than the time spent waiting. */ * stepped forward by one less than the time spent waiting. */
ulCompleteTickPeriods = xExpectedIdleTime - 1UL; ulCompleteTickPeriods = xExpectedIdleTime - 1UL;
} }
else else
{ {
@ -528,20 +529,20 @@ static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaU
/* How many complete tick periods passed while the processor /* How many complete tick periods passed while the processor
* was waiting? */ * was waiting? */
ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick; ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick;
/* The reload value is set to whatever fraction of a single tick /* The reload value is set to whatever fraction of a single tick
* period remains. */ * period remains. */
portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements; portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements;
} }
/* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG /* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG
* again, then set portNVIC_SYSTICK_LOAD_REG back to its standard * again, then set portNVIC_SYSTICK_LOAD_REG back to its standard
* value. */ * value. */
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
vTaskStepTick( ulCompleteTickPeriods ); vTaskStepTick( ulCompleteTickPeriods );
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL; portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
/* Exit with interrupts enabled. */ /* Exit with interrupts enabled. */
__asm volatile ( "cpsie i" ::: "memory" ); __asm volatile ( "cpsie i" ::: "memory" );
@ -555,19 +556,19 @@ __attribute__( ( weak ) ) void vPortSetupTimerInterrupt( void ) /* PRIVILEGED_FU
/* Calculate the constants required to configure the tick interrupt. */ /* Calculate the constants required to configure the tick interrupt. */
#if ( configUSE_TICKLESS_IDLE == 1 ) #if ( configUSE_TICKLESS_IDLE == 1 )
{ {
ulTimerCountsForOneTick = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ); ulTimerCountsForOneTick = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ );
xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick; xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick;
ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ ); ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ );
} }
#endif /* configUSE_TICKLESS_IDLE */ #endif /* configUSE_TICKLESS_IDLE */
/* Stop and reset the SysTick. */ /* Stop and reset the SysTick. */
portNVIC_SYSTICK_CTRL_REG = 0UL; portNVIC_SYSTICK_CTRL_REG = 0UL;
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
/* Configure SysTick to interrupt at the requested rate. */ /* Configure SysTick to interrupt at the requested rate. */
portNVIC_SYSTICK_LOAD_REG = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; portNVIC_SYSTICK_LOAD_REG = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
portNVIC_SYSTICK_CTRL_REG = portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT; portNVIC_SYSTICK_CTRL_REG = portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -611,72 +612,72 @@ static void prvTaskExitError( void )
extern uint32_t * __unprivileged_flash_end__; extern uint32_t * __unprivileged_flash_end__;
extern uint32_t * __privileged_sram_start__; extern uint32_t * __privileged_sram_start__;
extern uint32_t * __privileged_sram_end__; extern uint32_t * __privileged_sram_end__;
#else /* if defined( __ARMCC_VERSION ) */ #else /* if defined( __ARMCC_VERSION ) */
/* Declaration when these variable are exported from linker scripts. */ /* Declaration when these variable are exported from linker scripts. */
extern uint32_t __privileged_functions_start__[]; extern uint32_t __privileged_functions_start__[];
extern uint32_t __privileged_functions_end__[]; extern uint32_t __privileged_functions_end__[];
extern uint32_t __syscalls_flash_start__[]; extern uint32_t __syscalls_flash_start__[];
extern uint32_t __syscalls_flash_end__[]; extern uint32_t __syscalls_flash_end__[];
extern uint32_t __unprivileged_flash_start__[]; extern uint32_t __unprivileged_flash_start__[];
extern uint32_t __unprivileged_flash_end__[]; extern uint32_t __unprivileged_flash_end__[];
extern uint32_t __privileged_sram_start__[]; extern uint32_t __privileged_sram_start__[];
extern uint32_t __privileged_sram_end__[]; extern uint32_t __privileged_sram_end__[];
#endif /* defined( __ARMCC_VERSION ) */ #endif /* defined( __ARMCC_VERSION ) */
/* Check that the MPU is present. */ /* Check that the MPU is present. */
if( portMPU_TYPE_REG == portEXPECTED_MPU_TYPE_VALUE ) if( portMPU_TYPE_REG == portEXPECTED_MPU_TYPE_VALUE )
{ {
/* MAIR0 - Index 0. */ /* MAIR0 - Index 0. */
portMPU_MAIR0_REG |= ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); portMPU_MAIR0_REG |= ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK );
/* MAIR0 - Index 1. */ /* MAIR0 - Index 1. */
portMPU_MAIR0_REG |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); portMPU_MAIR0_REG |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK );
/* Setup privileged flash as Read Only so that privileged tasks can /* Setup privileged flash as Read Only so that privileged tasks can
* read it but not modify. */ * read it but not modify. */
portMPU_RNR_REG = portPRIVILEGED_FLASH_REGION; portMPU_RNR_REG = portPRIVILEGED_FLASH_REGION;
portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_functions_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_functions_start__ ) & portMPU_RBAR_ADDRESS_MASK ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
( portMPU_REGION_PRIVILEGED_READ_ONLY ); ( portMPU_REGION_PRIVILEGED_READ_ONLY );
portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_functions_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_functions_end__ ) & portMPU_RLAR_ADDRESS_MASK ) |
( portMPU_RLAR_ATTR_INDEX0 ) | ( portMPU_RLAR_ATTR_INDEX0 ) |
( portMPU_RLAR_REGION_ENABLE ); ( portMPU_RLAR_REGION_ENABLE );
/* Setup unprivileged flash as Read Only by both privileged and /* Setup unprivileged flash as Read Only by both privileged and
* unprivileged tasks. All tasks can read it but no-one can modify. */ * unprivileged tasks. All tasks can read it but no-one can modify. */
portMPU_RNR_REG = portUNPRIVILEGED_FLASH_REGION; portMPU_RNR_REG = portUNPRIVILEGED_FLASH_REGION;
portMPU_RBAR_REG = ( ( ( uint32_t ) __unprivileged_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | portMPU_RBAR_REG = ( ( ( uint32_t ) __unprivileged_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
( portMPU_REGION_READ_ONLY ); ( portMPU_REGION_READ_ONLY );
portMPU_RLAR_REG = ( ( ( uint32_t ) __unprivileged_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | portMPU_RLAR_REG = ( ( ( uint32_t ) __unprivileged_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) |
( portMPU_RLAR_ATTR_INDEX0 ) | ( portMPU_RLAR_ATTR_INDEX0 ) |
( portMPU_RLAR_REGION_ENABLE ); ( portMPU_RLAR_REGION_ENABLE );
/* Setup unprivileged syscalls flash as Read Only by both privileged /* Setup unprivileged syscalls flash as Read Only by both privileged
* and unprivileged tasks. All tasks can read it but no-one can modify. */ * and unprivileged tasks. All tasks can read it but no-one can modify. */
portMPU_RNR_REG = portUNPRIVILEGED_SYSCALLS_REGION; portMPU_RNR_REG = portUNPRIVILEGED_SYSCALLS_REGION;
portMPU_RBAR_REG = ( ( ( uint32_t ) __syscalls_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | portMPU_RBAR_REG = ( ( ( uint32_t ) __syscalls_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
( portMPU_REGION_READ_ONLY ); ( portMPU_REGION_READ_ONLY );
portMPU_RLAR_REG = ( ( ( uint32_t ) __syscalls_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | portMPU_RLAR_REG = ( ( ( uint32_t ) __syscalls_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) |
( portMPU_RLAR_ATTR_INDEX0 ) | ( portMPU_RLAR_ATTR_INDEX0 ) |
( portMPU_RLAR_REGION_ENABLE ); ( portMPU_RLAR_REGION_ENABLE );
/* Setup RAM containing kernel data for privileged access only. */ /* Setup RAM containing kernel data for privileged access only. */
portMPU_RNR_REG = portPRIVILEGED_RAM_REGION; portMPU_RNR_REG = portPRIVILEGED_RAM_REGION;
portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_sram_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_sram_start__ ) & portMPU_RBAR_ADDRESS_MASK ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
( portMPU_REGION_PRIVILEGED_READ_WRITE ) | ( portMPU_REGION_PRIVILEGED_READ_WRITE ) |
( portMPU_REGION_EXECUTE_NEVER ); ( portMPU_REGION_EXECUTE_NEVER );
portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_sram_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_sram_end__ ) & portMPU_RLAR_ADDRESS_MASK ) |
( portMPU_RLAR_ATTR_INDEX0 ) | ( portMPU_RLAR_ATTR_INDEX0 ) |
( portMPU_RLAR_REGION_ENABLE ); ( portMPU_RLAR_REGION_ENABLE );
/* Enable mem fault. */ /* Enable mem fault. */
portSCB_SYS_HANDLER_CTRL_STATE_REG |= portSCB_MEM_FAULT_ENABLE_BIT; portSCB_SYS_HANDLER_CTRL_STATE_REG |= portSCB_MEM_FAULT_ENABLE_BIT;
/* Enable MPU with privileged background access i.e. unmapped /* Enable MPU with privileged background access i.e. unmapped
* regions have privileged access. */ * regions have privileged access. */
portMPU_CTRL_REG |= ( portMPU_PRIV_BACKGROUND_ENABLE_BIT | portMPU_ENABLE_BIT ); portMPU_CTRL_REG |= ( portMPU_PRIV_BACKGROUND_ENABLE_BIT | portMPU_ENABLE_BIT );
} }
} }
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
@ -771,24 +772,24 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
extern uint32_t * __syscalls_flash_end__; extern uint32_t * __syscalls_flash_end__;
#else #else
/* Declaration when these variable are exported from linker scripts. */ /* Declaration when these variable are exported from linker scripts. */
extern uint32_t __syscalls_flash_start__[]; extern uint32_t __syscalls_flash_start__[];
extern uint32_t __syscalls_flash_end__[]; extern uint32_t __syscalls_flash_end__[];
#endif /* defined( __ARMCC_VERSION ) */ #endif /* defined( __ARMCC_VERSION ) */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
uint32_t ulPC; uint32_t ulPC;
#if ( configENABLE_TRUSTZONE == 1 ) #if ( configENABLE_TRUSTZONE == 1 )
uint32_t ulR0; uint32_t ulR0;
#if ( configENABLE_MPU == 1 ) #if ( configENABLE_MPU == 1 )
uint32_t ulControl, ulIsTaskPrivileged; uint32_t ulControl, ulIsTaskPrivileged;
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
#endif /* configENABLE_TRUSTZONE */ #endif /* configENABLE_TRUSTZONE */
uint8_t ucSVCNumber; uint8_t ucSVCNumber;
/* Register are stored on the stack in the following order - R0, R1, R2, R3, /* Register are stored on the stack in the following order - R0, R1, R2, R3,
* R12, LR, PC, xPSR. */ * R12, LR, PC, xPSR. */
ulPC = pulCallerStackAddress[ 6 ]; ulPC = pulCallerStackAddress[ 6 ];
ucSVCNumber = ( ( uint8_t * ) ulPC )[ -2 ]; ucSVCNumber = ( ( uint8_t * ) ulPC )[ -2 ];
switch( ucSVCNumber ) switch( ucSVCNumber )
@ -801,22 +802,22 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
ulR0 = pulCallerStackAddress[ 0 ]; ulR0 = pulCallerStackAddress[ 0 ];
#if ( configENABLE_MPU == 1 ) #if ( configENABLE_MPU == 1 )
{ {
/* Read the CONTROL register value. */ /* Read the CONTROL register value. */
__asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) );
/* The task that raised the SVC is privileged if Bit[0] /* The task that raised the SVC is privileged if Bit[0]
* in the CONTROL register is 0. */ * in the CONTROL register is 0. */
ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 );
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged );
} }
#else /* if ( configENABLE_MPU == 1 ) */ #else /* if ( configENABLE_MPU == 1 ) */
{ {
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0 ); xSecureContext = SecureContext_AllocateContext( ulR0 );
} }
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
configASSERT( xSecureContext != NULL ); configASSERT( xSecureContext != NULL );
@ -834,21 +835,21 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
case portSVC_START_SCHEDULER: case portSVC_START_SCHEDULER:
#if ( configENABLE_TRUSTZONE == 1 ) #if ( configENABLE_TRUSTZONE == 1 )
{ {
/* De-prioritize the non-secure exceptions so that the /* De-prioritize the non-secure exceptions so that the
* non-secure pendSV runs at the lowest priority. */ * non-secure pendSV runs at the lowest priority. */
SecureInit_DePrioritizeNSExceptions(); SecureInit_DePrioritizeNSExceptions();
/* Initialize the secure context management system. */ /* Initialize the secure context management system. */
SecureContext_Init(); SecureContext_Init();
} }
#endif /* configENABLE_TRUSTZONE */ #endif /* configENABLE_TRUSTZONE */
#if ( configENABLE_FPU == 1 ) #if ( configENABLE_FPU == 1 )
{ {
/* Setup the Floating Point Unit (FPU). */ /* Setup the Floating Point Unit (FPU). */
prvSetupFPU(); prvSetupFPU();
} }
#endif /* configENABLE_FPU */ #endif /* configENABLE_FPU */
/* Setup the context of the first task so that the first task starts /* Setup the context of the first task so that the first task starts
@ -881,12 +882,12 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters, void * pvParameters,
BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */
#else #else
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters ) /* PRIVILEGED_FUNCTION */ void * pvParameters ) /* PRIVILEGED_FUNCTION */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
/* Simulate the stack frame as it would be created by a context switch /* Simulate the stack frame as it would be created by a context switch
@ -1015,7 +1016,7 @@ BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */
vPortSetupTimerInterrupt(); vPortSetupTimerInterrupt();
/* Initialize the critical nesting count ready for the first task. */ /* Initialize the critical nesting count ready for the first task. */
ulCriticalNesting = 0; ulCriticalNesting = 0;
/* Start the first task. */ /* Start the first task. */
vStartFirstTask(); vStartFirstTask();
@ -1049,10 +1050,10 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
uint32_t ulStackDepth ) uint32_t ulStackDepth )
{ {
uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber;
int32_t lIndex = 0; int32_t lIndex = 0;
/* Setup MAIR0. */ /* Setup MAIR0. */
xMPUSettings->ulMAIR0 = ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); xMPUSettings->ulMAIR0 = ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK );
xMPUSettings->ulMAIR0 |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); xMPUSettings->ulMAIR0 |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK );
/* This function is called automatically when the task is created - in /* This function is called automatically when the task is created - in
@ -1062,9 +1063,9 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
if( ulStackDepth > 0 ) if( ulStackDepth > 0 )
{ {
/* Define the region that allows access to the stack. */ /* Define the region that allows access to the stack. */
ulRegionStartAddress = ( ( uint32_t ) pxBottomOfStack ) & portMPU_RBAR_ADDRESS_MASK; ulRegionStartAddress = ( ( uint32_t ) pxBottomOfStack ) & portMPU_RBAR_ADDRESS_MASK;
ulRegionEndAddress = ( uint32_t ) pxBottomOfStack + ( ulStackDepth * ( uint32_t ) sizeof( StackType_t ) ) - 1; ulRegionEndAddress = ( uint32_t ) pxBottomOfStack + ( ulStackDepth * ( uint32_t ) sizeof( StackType_t ) ) - 1;
ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK;
xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |
@ -1087,9 +1088,9 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
/* Translate the generic region definition contained in xRegions /* Translate the generic region definition contained in xRegions
* into the ARMv8 specific MPU settings that are then stored in * into the ARMv8 specific MPU settings that are then stored in
* xMPUSettings. */ * xMPUSettings. */
ulRegionStartAddress = ( ( uint32_t ) xRegions[ lIndex ].pvBaseAddress ) & portMPU_RBAR_ADDRESS_MASK; ulRegionStartAddress = ( ( uint32_t ) xRegions[ lIndex ].pvBaseAddress ) & portMPU_RBAR_ADDRESS_MASK;
ulRegionEndAddress = ( uint32_t ) xRegions[ lIndex ].pvBaseAddress + xRegions[ lIndex ].ulLengthInBytes - 1; ulRegionEndAddress = ( uint32_t ) xRegions[ lIndex ].pvBaseAddress + xRegions[ lIndex ].ulLengthInBytes - 1;
ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK;
/* Start address. */ /* Start address. */
xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = ( ulRegionStartAddress ) | xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = ( ulRegionStartAddress ) |
@ -1142,7 +1143,7 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
BaseType_t xPortIsInsideInterrupt( void ) BaseType_t xPortIsInsideInterrupt( void )
{ {
uint32_t ulCurrentInterrupt; uint32_t ulCurrentInterrupt;
BaseType_t xReturn; BaseType_t xReturn;
/* Obtain the number of the currently executing interrupt. Interrupt Program /* Obtain the number of the currently executing interrupt. Interrupt Program

1
portable/GCC/ARM_CM23/non_secure/portasm.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */

1
portable/GCC/ARM_CM23/non_secure/portasm.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __PORT_ASM_H__ #ifndef __PORT_ASM_H__

1
portable/GCC/ARM_CM23/non_secure/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H

11
portable/GCC/ARM_CM23/secure/secure_context.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Secure context includes. */ /* Secure context includes. */
@ -101,12 +102,12 @@ secureportNON_SECURE_CALLABLE void SecureContext_Init( void )
secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize ) secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize )
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
uint8_t * pucStackMemory = NULL; uint8_t * pucStackMemory = NULL;
uint32_t ulIPSR; uint32_t ulIPSR;
SecureContextHandle_t xSecureContextHandle = NULL; SecureContextHandle_t xSecureContextHandle = NULL;
#if ( configENABLE_MPU == 1 ) #if ( configENABLE_MPU == 1 )
uint32_t * pulCurrentStackPointer = NULL; uint32_t * pulCurrentStackPointer = NULL;
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
/* Read the Interrupt Program Status Register (IPSR) value. */ /* Read the Interrupt Program Status Register (IPSR) value. */
@ -143,7 +144,7 @@ secureportNON_SECURE_CALLABLE void SecureContext_Init( void )
/* Store the correct CONTROL value for the task on the stack. /* Store the correct CONTROL value for the task on the stack.
* This value is programmed in the CONTROL register on * This value is programmed in the CONTROL register on
* context switch. */ * context switch. */
pulCurrentStackPointer = ( uint32_t * ) xSecureContextHandle->pucStackStart; pulCurrentStackPointer = ( uint32_t * ) xSecureContextHandle->pucStackStart;
pulCurrentStackPointer--; pulCurrentStackPointer--;
if( ulIsTaskPrivileged ) if( ulIsTaskPrivileged )

1
portable/GCC/ARM_CM23/secure/secure_context.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __SECURE_CONTEXT_H__ #ifndef __SECURE_CONTEXT_H__

1
portable/GCC/ARM_CM23/secure/secure_context_port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Secure context includes. */ /* Secure context includes. */

73
portable/GCC/ARM_CM23/secure/secure_heap.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */
@ -115,7 +116,7 @@ static BlockLink_t xStart, * pxEnd = NULL;
* @brief Keeps track of the number of free bytes remaining, but says nothing * @brief Keeps track of the number of free bytes remaining, but says nothing
* about fragmentation. * about fragmentation.
*/ */
static size_t xFreeBytesRemaining = 0U; static size_t xFreeBytesRemaining = 0U;
static size_t xMinimumEverFreeBytesRemaining = 0U; static size_t xMinimumEverFreeBytesRemaining = 0U;
/** /**
@ -125,61 +126,61 @@ static size_t xMinimumEverFreeBytesRemaining = 0U;
* then the block belongs to the application. When the bit is free the block is * then the block belongs to the application. When the bit is free the block is
* still part of the free heap space. * still part of the free heap space.
*/ */
static size_t xBlockAllocatedBit = 0; static size_t xBlockAllocatedBit = 0;
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static void prvHeapInit( void ) static void prvHeapInit( void )
{ {
BlockLink_t * pxFirstFreeBlock; BlockLink_t * pxFirstFreeBlock;
uint8_t * pucAlignedHeap; uint8_t * pucAlignedHeap;
size_t uxAddress; size_t uxAddress;
size_t xTotalHeapSize = secureconfigTOTAL_HEAP_SIZE; size_t xTotalHeapSize = secureconfigTOTAL_HEAP_SIZE;
/* Ensure the heap starts on a correctly aligned boundary. */ /* Ensure the heap starts on a correctly aligned boundary. */
uxAddress = ( size_t ) ucHeap; uxAddress = ( size_t ) ucHeap;
if( ( uxAddress & secureportBYTE_ALIGNMENT_MASK ) != 0 ) if( ( uxAddress & secureportBYTE_ALIGNMENT_MASK ) != 0 )
{ {
uxAddress += ( secureportBYTE_ALIGNMENT - 1 ); uxAddress += ( secureportBYTE_ALIGNMENT - 1 );
uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK );
xTotalHeapSize -= uxAddress - ( size_t ) ucHeap; xTotalHeapSize -= uxAddress - ( size_t ) ucHeap;
} }
pucAlignedHeap = ( uint8_t * ) uxAddress; pucAlignedHeap = ( uint8_t * ) uxAddress;
/* xStart is used to hold a pointer to the first item in the list of free /* xStart is used to hold a pointer to the first item in the list of free
* blocks. The void cast is used to prevent compiler warnings. */ * blocks. The void cast is used to prevent compiler warnings. */
xStart.pxNextFreeBlock = ( void * ) pucAlignedHeap; xStart.pxNextFreeBlock = ( void * ) pucAlignedHeap;
xStart.xBlockSize = ( size_t ) 0; xStart.xBlockSize = ( size_t ) 0;
/* pxEnd is used to mark the end of the list of free blocks and is inserted /* pxEnd is used to mark the end of the list of free blocks and is inserted
* at the end of the heap space. */ * at the end of the heap space. */
uxAddress = ( ( size_t ) pucAlignedHeap ) + xTotalHeapSize; uxAddress = ( ( size_t ) pucAlignedHeap ) + xTotalHeapSize;
uxAddress -= xHeapStructSize; uxAddress -= xHeapStructSize;
uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK );
pxEnd = ( void * ) uxAddress; pxEnd = ( void * ) uxAddress;
pxEnd->xBlockSize = 0; pxEnd->xBlockSize = 0;
pxEnd->pxNextFreeBlock = NULL; pxEnd->pxNextFreeBlock = NULL;
/* To start with there is a single free block that is sized to take up the /* To start with there is a single free block that is sized to take up the
* entire heap space, minus the space taken by pxEnd. */ * entire heap space, minus the space taken by pxEnd. */
pxFirstFreeBlock = ( void * ) pucAlignedHeap; pxFirstFreeBlock = ( void * ) pucAlignedHeap;
pxFirstFreeBlock->xBlockSize = uxAddress - ( size_t ) pxFirstFreeBlock; pxFirstFreeBlock->xBlockSize = uxAddress - ( size_t ) pxFirstFreeBlock;
pxFirstFreeBlock->pxNextFreeBlock = pxEnd; pxFirstFreeBlock->pxNextFreeBlock = pxEnd;
/* Only one block exists - and it covers the entire usable heap space. */ /* Only one block exists - and it covers the entire usable heap space. */
xMinimumEverFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; xMinimumEverFreeBytesRemaining = pxFirstFreeBlock->xBlockSize;
xFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; xFreeBytesRemaining = pxFirstFreeBlock->xBlockSize;
/* Work out the position of the top bit in a size_t variable. */ /* Work out the position of the top bit in a size_t variable. */
xBlockAllocatedBit = ( ( size_t ) 1 ) << ( ( sizeof( size_t ) * secureheapBITS_PER_BYTE ) - 1 ); xBlockAllocatedBit = ( ( size_t ) 1 ) << ( ( sizeof( size_t ) * secureheapBITS_PER_BYTE ) - 1 );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert ) static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
{ {
BlockLink_t * pxIterator; BlockLink_t * pxIterator;
uint8_t * puc; uint8_t * puc;
/* Iterate through the list until a block is found that has a higher address /* Iterate through the list until a block is found that has a higher address
* than the block being inserted. */ * than the block being inserted. */
@ -195,7 +196,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
if( ( puc + pxIterator->xBlockSize ) == ( uint8_t * ) pxBlockToInsert ) if( ( puc + pxIterator->xBlockSize ) == ( uint8_t * ) pxBlockToInsert )
{ {
pxIterator->xBlockSize += pxBlockToInsert->xBlockSize; pxIterator->xBlockSize += pxBlockToInsert->xBlockSize;
pxBlockToInsert = pxIterator; pxBlockToInsert = pxIterator;
} }
else else
{ {
@ -211,7 +212,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
if( pxIterator->pxNextFreeBlock != pxEnd ) if( pxIterator->pxNextFreeBlock != pxEnd )
{ {
/* Form one big block from the two blocks. */ /* Form one big block from the two blocks. */
pxBlockToInsert->xBlockSize += pxIterator->pxNextFreeBlock->xBlockSize; pxBlockToInsert->xBlockSize += pxIterator->pxNextFreeBlock->xBlockSize;
pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock->pxNextFreeBlock; pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock->pxNextFreeBlock;
} }
else else
@ -242,7 +243,7 @@ static void prvInsertBlockIntoFreeList( BlockLink_t * pxBlockToInsert )
void * pvPortMalloc( size_t xWantedSize ) void * pvPortMalloc( size_t xWantedSize )
{ {
BlockLink_t * pxBlock, * pxPreviousBlock, * pxNewBlockLink; BlockLink_t * pxBlock, * pxPreviousBlock, * pxNewBlockLink;
void * pvReturn = NULL; void * pvReturn = NULL;
/* If this is the first call to malloc then the heap will require /* If this is the first call to malloc then the heap will require
* initialisation to setup the list of free blocks. */ * initialisation to setup the list of free blocks. */
@ -290,12 +291,12 @@ void * pvPortMalloc( size_t xWantedSize )
/* Traverse the list from the start (lowest address) block until /* Traverse the list from the start (lowest address) block until
* one of adequate size is found. */ * one of adequate size is found. */
pxPreviousBlock = &xStart; pxPreviousBlock = &xStart;
pxBlock = xStart.pxNextFreeBlock; pxBlock = xStart.pxNextFreeBlock;
while( ( pxBlock->xBlockSize < xWantedSize ) && ( pxBlock->pxNextFreeBlock != NULL ) ) while( ( pxBlock->xBlockSize < xWantedSize ) && ( pxBlock->pxNextFreeBlock != NULL ) )
{ {
pxPreviousBlock = pxBlock; pxPreviousBlock = pxBlock;
pxBlock = pxBlock->pxNextFreeBlock; pxBlock = pxBlock->pxNextFreeBlock;
} }
/* If the end marker was reached then a block of adequate size was /* If the end marker was reached then a block of adequate size was
@ -304,7 +305,7 @@ void * pvPortMalloc( size_t xWantedSize )
{ {
/* Return the memory space pointed to - jumping over the /* Return the memory space pointed to - jumping over the
* BlockLink_t structure at its start. */ * BlockLink_t structure at its start. */
pvReturn = ( void * ) ( ( ( uint8_t * ) pxPreviousBlock->pxNextFreeBlock ) + xHeapStructSize ); pvReturn = ( void * ) ( ( ( uint8_t * ) pxPreviousBlock->pxNextFreeBlock ) + xHeapStructSize );
/* This block is being returned for use so must be taken out /* This block is being returned for use so must be taken out
* of the list of free blocks. */ * of the list of free blocks. */
@ -318,13 +319,13 @@ void * pvPortMalloc( size_t xWantedSize )
* block following the number of bytes requested. The void * block following the number of bytes requested. The void
* cast is used to prevent byte alignment warnings from the * cast is used to prevent byte alignment warnings from the
* compiler. */ * compiler. */
pxNewBlockLink = ( void * ) ( ( ( uint8_t * ) pxBlock ) + xWantedSize ); pxNewBlockLink = ( void * ) ( ( ( uint8_t * ) pxBlock ) + xWantedSize );
secureportASSERT( ( ( ( size_t ) pxNewBlockLink ) & secureportBYTE_ALIGNMENT_MASK ) == 0 ); secureportASSERT( ( ( ( size_t ) pxNewBlockLink ) & secureportBYTE_ALIGNMENT_MASK ) == 0 );
/* Calculate the sizes of two blocks split from the single /* Calculate the sizes of two blocks split from the single
* block. */ * block. */
pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize; pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize;
pxBlock->xBlockSize = xWantedSize; pxBlock->xBlockSize = xWantedSize;
/* Insert the new block into the list of free blocks. */ /* Insert the new block into the list of free blocks. */
prvInsertBlockIntoFreeList( pxNewBlockLink ); prvInsertBlockIntoFreeList( pxNewBlockLink );
@ -334,7 +335,7 @@ void * pvPortMalloc( size_t xWantedSize )
mtCOVERAGE_TEST_MARKER(); mtCOVERAGE_TEST_MARKER();
} }
xFreeBytesRemaining -= pxBlock->xBlockSize; xFreeBytesRemaining -= pxBlock->xBlockSize;
if( xFreeBytesRemaining < xMinimumEverFreeBytesRemaining ) if( xFreeBytesRemaining < xMinimumEverFreeBytesRemaining )
{ {
@ -347,8 +348,8 @@ void * pvPortMalloc( size_t xWantedSize )
/* The block is being returned - it is allocated and owned by /* The block is being returned - it is allocated and owned by
* the application and has no "next" block. */ * the application and has no "next" block. */
pxBlock->xBlockSize |= xBlockAllocatedBit; pxBlock->xBlockSize |= xBlockAllocatedBit;
pxBlock->pxNextFreeBlock = NULL; pxBlock->pxNextFreeBlock = NULL;
} }
else else
{ {
@ -388,14 +389,14 @@ void * pvPortMalloc( size_t xWantedSize )
void vPortFree( void * pv ) void vPortFree( void * pv )
{ {
uint8_t * puc = ( uint8_t * ) pv; uint8_t * puc = ( uint8_t * ) pv;
BlockLink_t * pxLink; BlockLink_t * pxLink;
if( pv != NULL ) if( pv != NULL )
{ {
/* The memory being freed will have an BlockLink_t structure immediately /* The memory being freed will have an BlockLink_t structure immediately
* before it. */ * before it. */
puc -= xHeapStructSize; puc -= xHeapStructSize;
/* This casting is to keep the compiler from issuing warnings. */ /* This casting is to keep the compiler from issuing warnings. */
pxLink = ( void * ) puc; pxLink = ( void * ) puc;

1
portable/GCC/ARM_CM23/secure/secure_heap.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __SECURE_HEAP_H__ #ifndef __SECURE_HEAP_H__

1
portable/GCC/ARM_CM23/secure/secure_init.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
/* Standard includes. */ /* Standard includes. */

1
portable/GCC/ARM_CM23/secure/secure_init.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org * http://www.FreeRTOS.org
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces!
*/ */
#ifndef __SECURE_INIT_H__ #ifndef __SECURE_INIT_H__

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