Style: Revert uncrustify for portable directories (#122)

* Style: revert uncrustify portable directories

* Style: Uncrustify Some Portable files

Co-authored-by: Alfred Gedeon <gedeonag@amazon.com>
This commit is contained in:
alfred gedeon 2020-08-17 10:51:02 -07:00 committed by GitHub
parent a6da1cd0ce
commit 86653e2a1f
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273 changed files with 64802 additions and 65931 deletions

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@ -27,165 +27,165 @@
#include "FreeRTOSConfig.h"
#define portCONTEXT_SIZE 132
#define portEPC_STACK_LOCATION 124
#define portSTATUS_STACK_LOCATION 128
#define portCONTEXT_SIZE 132
#define portEPC_STACK_LOCATION 124
#define portSTATUS_STACK_LOCATION 128
/******************************************************************/
.macro portSAVE_CONTEXT
.macro portSAVE_CONTEXT
/* Make room for the context. First save the current status so it can be
* manipulated, and the cause and EPC registers so their original values are
* captured. */
mfc0 k0, _CP0_CAUSE
addiu sp, sp, -portCONTEXT_SIZE
mfc0 k1, _CP0_STATUS
/* Make room for the context. First save the current status so it can be
manipulated, and the cause and EPC registers so their original values are
captured. */
mfc0 k0, _CP0_CAUSE
addiu sp, sp, -portCONTEXT_SIZE
mfc0 k1, _CP0_STATUS
/* Also save s6 and s5 so they can be used. Any nesting interrupts should
* maintain the values of these registers across the ISR. */
sw s6, 44 ( sp )
sw s5, 40 ( sp )
sw k1, portSTATUS_STACK_LOCATION( sp )
/* Also save s6 and s5 so they can be used. Any nesting interrupts should
maintain the values of these registers across the ISR. */
sw s6, 44(sp)
sw s5, 40(sp)
sw k1, portSTATUS_STACK_LOCATION(sp)
/* Prepare to enable interrupts above the current priority. */
srl k0, k0, 0xa
ins k1, k0, 10, 6
ins k1, zero, 1, 4
/* Prepare to enable interrupts above the current priority. */
srl k0, k0, 0xa
ins k1, k0, 10, 6
ins k1, zero, 1, 4
/* s5 is used as the frame pointer. */
add s5, zero, sp
/* s5 is used as the frame pointer. */
add s5, zero, sp
/* Check the nesting count value. */
la k0, uxInterruptNesting
lw s6, ( k0 )
/* Check the nesting count value. */
la k0, uxInterruptNesting
lw s6, (k0)
/* If the nesting count is 0 then swap to the the system stack, otherwise
* the system stack is already being used. */
bne s6, zero, 1f
nop
/* If the nesting count is 0 then swap to the the system stack, otherwise
the system stack is already being used. */
bne s6, zero, 1f
nop
/* Swap to the system stack. */
la sp, xISRStackTop
lw sp, ( sp )
/* Swap to the system stack. */
la sp, xISRStackTop
lw sp, (sp)
/* Increment and save the nesting count. */
1 : addiu s6, s6, 1
sw s6, 0 ( k0 )
/* Increment and save the nesting count. */
1: addiu s6, s6, 1
sw s6, 0(k0)
/* s6 holds the EPC value, this is saved after interrupts are re-enabled. */
mfc0 s6, _CP0_EPC
/* s6 holds the EPC value, this is saved after interrupts are re-enabled. */
mfc0 s6, _CP0_EPC
/* Re-enable interrupts. */
mtc0 k1, _CP0_STATUS
/* Re-enable interrupts. */
mtc0 k1, _CP0_STATUS
/* Save the context into the space just created. s6 is saved again
* here as it now contains the EPC value. No other s registers need be
* saved. */
sw ra, 120 ( s5 )
sw s8, 116 ( s5 )
sw t9, 112 ( s5 )
sw t8, 108 ( s5 )
sw t7, 104 ( s5 )
sw t6, 100 ( s5 )
sw t5, 96 ( s5 )
sw t4, 92 ( s5 )
sw t3, 88 ( s5 )
sw t2, 84 ( s5 )
sw t1, 80 ( s5 )
sw t0, 76 ( s5 )
sw a3, 72 ( s5 )
sw a2, 68 ( s5 )
sw a1, 64 ( s5 )
sw a0, 60 ( s5 )
sw v1, 56 ( s5 )
sw v0, 52 ( s5 )
sw s6, portEPC_STACK_LOCATION( s5 )
sw $1, 16 ( s5 )
/* Save the context into the space just created. s6 is saved again
here as it now contains the EPC value. No other s registers need be
saved. */
sw ra, 120(s5)
sw s8, 116(s5)
sw t9, 112(s5)
sw t8, 108(s5)
sw t7, 104(s5)
sw t6, 100(s5)
sw t5, 96(s5)
sw t4, 92(s5)
sw t3, 88(s5)
sw t2, 84(s5)
sw t1, 80(s5)
sw t0, 76(s5)
sw a3, 72(s5)
sw a2, 68(s5)
sw a1, 64(s5)
sw a0, 60(s5)
sw v1, 56(s5)
sw v0, 52(s5)
sw s6, portEPC_STACK_LOCATION(s5)
sw $1, 16(s5)
/* s6 is used as a scratch register. */
mfhi s6
sw s6, 12 ( s5 )
mflo s6
sw s6, 8 ( s5 )
/* s6 is used as a scratch register. */
mfhi s6
sw s6, 12(s5)
mflo s6
sw s6, 8(s5)
/* Update the task stack pointer value if nesting is zero. */
la s6, uxInterruptNesting
lw s6, ( s6 )
addiu s6, s6, -1
bne s6, zero, 1f
nop
/* Update the task stack pointer value if nesting is zero. */
la s6, uxInterruptNesting
lw s6, (s6)
addiu s6, s6, -1
bne s6, zero, 1f
nop
/* Save the stack pointer. */
la s6, uxSavedTaskStackPointer
sw s5, ( s6 )
1 :
.endm
/* Save the stack pointer. */
la s6, uxSavedTaskStackPointer
sw s5, (s6)
1:
.endm
/******************************************************************/
.macro portRESTORE_CONTEXT
.macro portRESTORE_CONTEXT
/* Restore the stack pointer from the TCB. This is only done if the
* nesting count is 1. */
la s6, uxInterruptNesting
lw s6, ( s6 )
addiu s6, s6, -1
bne s6, zero, 1f
nop
la s6, uxSavedTaskStackPointer
lw s5, ( s6 )
/* Restore the stack pointer from the TCB. This is only done if the
nesting count is 1. */
la s6, uxInterruptNesting
lw s6, (s6)
addiu s6, s6, -1
bne s6, zero, 1f
nop
la s6, uxSavedTaskStackPointer
lw s5, (s6)
/* Restore the context. */
1 : lw s6, 8 ( s5 )
mtlo s6
lw s6, 12 ( s5 )
mthi s6
lw $1, 16 ( s5 )
/* Restore the context. */
1: lw s6, 8(s5)
mtlo s6
lw s6, 12(s5)
mthi s6
lw $1, 16(s5)
/* s6 is loaded as it was used as a scratch register and therefore saved
as part of the interrupt context. */
lw s6, 44(s5)
lw v0, 52(s5)
lw v1, 56(s5)
lw a0, 60(s5)
lw a1, 64(s5)
lw a2, 68(s5)
lw a3, 72(s5)
lw t0, 76(s5)
lw t1, 80(s5)
lw t2, 84(s5)
lw t3, 88(s5)
lw t4, 92(s5)
lw t5, 96(s5)
lw t6, 100(s5)
lw t7, 104(s5)
lw t8, 108(s5)
lw t9, 112(s5)
lw s8, 116(s5)
lw ra, 120(s5)
/* s6 is loaded as it was used as a scratch register and therefore saved
* as part of the interrupt context. */
lw s6, 44 ( s5 )
lw v0, 52 ( s5 )
lw v1, 56 ( s5 )
lw a0, 60 ( s5 )
lw a1, 64 ( s5 )
lw a2, 68 ( s5 )
lw a3, 72 ( s5 )
lw t0, 76 ( s5 )
lw t1, 80 ( s5 )
lw t2, 84 ( s5 )
lw t3, 88 ( s5 )
lw t4, 92 ( s5 )
lw t5, 96 ( s5 )
lw t6, 100 ( s5 )
lw t7, 104 ( s5 )
lw t8, 108 ( s5 )
lw t9, 112 ( s5 )
lw s8, 116 ( s5 )
lw ra, 120 ( s5 )
/* Protect access to the k registers, and others. */
di
ehb
/* Protect access to the k registers, and others. */
di
ehb
/* Decrement the nesting count. */
la k0, uxInterruptNesting
lw k1, (k0)
addiu k1, k1, -1
sw k1, 0(k0)
/* Decrement the nesting count. */
la k0, uxInterruptNesting
lw k1, ( k0 )
addiu k1, k1, -1
sw k1, 0 ( k0 )
lw k0, portSTATUS_STACK_LOCATION(s5)
lw k1, portEPC_STACK_LOCATION(s5)
lw k0, portSTATUS_STACK_LOCATION( s5 )
lw k1, portEPC_STACK_LOCATION( s5 )
/* Leave the stack in its original state. First load sp from s5, then
restore s5 from the stack. */
add sp, zero, s5
lw s5, 40(sp)
addiu sp, sp, portCONTEXT_SIZE
/* Leave the stack in its original state. First load sp from s5, then
* restore s5 from the stack. */
add sp, zero, s5
lw s5, 40 ( sp )
addiu sp, sp, portCONTEXT_SIZE
mtc0 k0, _CP0_STATUS
mtc0 k1, _CP0_EPC
ehb
eret
nop
mtc0 k0, _CP0_STATUS
mtc0 k1, _CP0_EPC
ehb
eret
nop
.endm
.endm

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@ -26,8 +26,8 @@
*/
/*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the PIC32MX port.
*----------------------------------------------------------*/
* Implementation of functions defined in portable.h for the PIC32MX port.
*----------------------------------------------------------*/
#ifndef __XC
#error This port is designed to work with XC32. Please update your C compiler version.
@ -38,80 +38,78 @@
#include "task.h"
/* Hardware specifics. */
#define portTIMER_PRESCALE 8
#define portPRESCALE_BITS 1
#define portTIMER_PRESCALE 8
#define portPRESCALE_BITS 1
/* Bits within various registers. */
#define portIE_BIT ( 0x00000001 )
#define portEXL_BIT ( 0x00000002 )
#define portIE_BIT ( 0x00000001 )
#define portEXL_BIT ( 0x00000002 )
/* Bits within the CAUSE register. */
#define portCORE_SW_0 ( 0x00000100 )
#define portCORE_SW_1 ( 0x00000200 )
#define portCORE_SW_0 ( 0x00000100 )
#define portCORE_SW_1 ( 0x00000200 )
/* The EXL bit is set to ensure interrupts do not occur while the context of
* the first task is being restored. */
#define portINITIAL_SR ( portIE_BIT | portEXL_BIT )
the first task is being restored. */
#define portINITIAL_SR ( portIE_BIT | portEXL_BIT )
/*
* By default port.c generates its tick interrupt from TIMER1. The user can
* override this behaviour by:
* 1: Providing their own implementation of vApplicationSetupTickTimerInterrupt(),
* which is the function that configures the timer. The function is defined
* as a weak symbol in this file so if the same function name is used in the
* application code then the version in the application code will be linked
* into the application in preference to the version defined in this file.
* 2: Define configTICK_INTERRUPT_VECTOR to the vector number of the timer used
* to generate the tick interrupt. For example, when timer 1 is used then
* configTICK_INTERRUPT_VECTOR is set to _TIMER_1_VECTOR.
* configTICK_INTERRUPT_VECTOR should be defined in FreeRTOSConfig.h.
* 3: Define configCLEAR_TICK_TIMER_INTERRUPT() to clear the interrupt in the
* timer used to generate the tick interrupt. For example, when timer 1 is
* used configCLEAR_TICK_TIMER_INTERRUPT() is defined to
* IFS0CLR = _IFS0_T1IF_MASK.
*/
By default port.c generates its tick interrupt from TIMER1. The user can
override this behaviour by:
1: Providing their own implementation of vApplicationSetupTickTimerInterrupt(),
which is the function that configures the timer. The function is defined
as a weak symbol in this file so if the same function name is used in the
application code then the version in the application code will be linked
into the application in preference to the version defined in this file.
2: Define configTICK_INTERRUPT_VECTOR to the vector number of the timer used
to generate the tick interrupt. For example, when timer 1 is used then
configTICK_INTERRUPT_VECTOR is set to _TIMER_1_VECTOR.
configTICK_INTERRUPT_VECTOR should be defined in FreeRTOSConfig.h.
3: Define configCLEAR_TICK_TIMER_INTERRUPT() to clear the interrupt in the
timer used to generate the tick interrupt. For example, when timer 1 is
used configCLEAR_TICK_TIMER_INTERRUPT() is defined to
IFS0CLR = _IFS0_T1IF_MASK.
*/
#ifndef configTICK_INTERRUPT_VECTOR
#define configTICK_INTERRUPT_VECTOR _TIMER_1_VECTOR
#define configCLEAR_TICK_TIMER_INTERRUPT() IFS0CLR = _IFS0_T1IF_MASK
#define configTICK_INTERRUPT_VECTOR _TIMER_1_VECTOR
#define configCLEAR_TICK_TIMER_INTERRUPT() IFS0CLR = _IFS0_T1IF_MASK
#else
#ifndef configCLEAR_TICK_TIMER_INTERRUPT
#error If configTICK_INTERRUPT_VECTOR is defined in application code then configCLEAR_TICK_TIMER_INTERRUPT must also be defined in application code.
#endif
#ifndef configCLEAR_TICK_TIMER_INTERRUPT
#error If configTICK_INTERRUPT_VECTOR is defined in application code then configCLEAR_TICK_TIMER_INTERRUPT must also be defined in application code.
#endif
#endif
/* Let the user override the pre-loading of the initial RA with the address of
* prvTaskExitError() in case it messes up unwinding of the stack in the
* debugger - in which case configTASK_RETURN_ADDRESS can be defined as 0 (NULL). */
prvTaskExitError() in case it messes up unwinding of the stack in the
debugger - in which case configTASK_RETURN_ADDRESS can be defined as 0 (NULL). */
#ifdef configTASK_RETURN_ADDRESS
#define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS
#define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS
#else
#define portTASK_RETURN_ADDRESS prvTaskExitError
#define portTASK_RETURN_ADDRESS prvTaskExitError
#endif
/* Set configCHECK_FOR_STACK_OVERFLOW to 3 to add ISR stack checking to task
* stack checking. A problem in the ISR stack will trigger an assert, not call the
* stack overflow hook function (because the stack overflow hook is specific to a
* task stack, not the ISR stack). */
#if ( configCHECK_FOR_STACK_OVERFLOW > 2 )
stack checking. A problem in the ISR stack will trigger an assert, not call the
stack overflow hook function (because the stack overflow hook is specific to a
task stack, not the ISR stack). */
#if( configCHECK_FOR_STACK_OVERFLOW > 2 )
/* Don't use 0xa5 as the stack fill bytes as that is used by the kernerl for
* the task stacks, and so will legitimately appear in many positions within
* the ISR stack. */
#define portISR_STACK_FILL_BYTE 0xee
/* Don't use 0xa5 as the stack fill bytes as that is used by the kernerl for
the task stacks, and so will legitimately appear in many positions within
the ISR stack. */
#define portISR_STACK_FILL_BYTE 0xee
static const uint8_t ucExpectedStackBytes[] =
{
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE
}; \
static const uint8_t ucExpectedStackBytes[] = {
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE }; \
#define portCHECK_ISR_STACK() configASSERT( ( memcmp( ( void * ) xISRStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) == 0 ) )
#else /* if ( configCHECK_FOR_STACK_OVERFLOW > 2 ) */
/* Define the function away. */
#define portCHECK_ISR_STACK()
#define portCHECK_ISR_STACK() configASSERT( ( memcmp( ( void * ) xISRStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) == 0 ) )
#else
/* Define the function away. */
#define portCHECK_ISR_STACK()
#endif /* configCHECK_FOR_STACK_OVERFLOW > 2 */
/*-----------------------------------------------------------*/
@ -123,7 +121,7 @@
* following line of code has no effect. The interrupt priority is set by the
* call to ConfigIntTimer1() in vApplicationSetupTickTimerInterrupt().
*/
extern void __attribute__( ( interrupt( IPL1AUTO ), vector( configTICK_INTERRUPT_VECTOR ) ) ) vPortTickInterruptHandler( void );
extern void __attribute__( (interrupt(IPL1AUTO), vector( configTICK_INTERRUPT_VECTOR ))) vPortTickInterruptHandler( void );
/*
* The software interrupt handler that performs the yield. Note that, because
@ -131,7 +129,7 @@ extern void __attribute__( ( interrupt( IPL1AUTO ), vector( configTICK_INTERRUPT
* code has no effect. The interrupt priority is set by the call to
* mConfigIntCoreSW0() in xPortStartScheduler().
*/
void __attribute__( ( interrupt( IPL1AUTO ), vector( _CORE_SOFTWARE_0_VECTOR ) ) ) vPortYieldISR( void );
void __attribute__( (interrupt(IPL1AUTO), vector(_CORE_SOFTWARE_0_VECTOR))) vPortYieldISR( void );
/*
* Used to catch tasks that attempt to return from their implementing function.
@ -141,17 +139,17 @@ static void prvTaskExitError( void );
/*-----------------------------------------------------------*/
/* Records the interrupt nesting depth. This is initialised to one as it is
* decremented to 0 when the first task starts. */
decremented to 0 when the first task starts. */
volatile UBaseType_t uxInterruptNesting = 0x01;
/* Stores the task stack pointer when a switch is made to use the system stack. */
UBaseType_t uxSavedTaskStackPointer = 0;
/* The stack used by interrupt service routines that cause a context switch. */
__attribute__( ( aligned( 8 ) ) ) StackType_t xISRStack[ configISR_STACK_SIZE ] = { 0 };
__attribute__ ((aligned(8))) StackType_t xISRStack[ configISR_STACK_SIZE ] = { 0 };
/* The top of stack value ensures there is enough space to store 6 registers on
* the callers stack, as some functions seem to want to do this. */
the callers stack, as some functions seem to want to do this. */
const StackType_t * const xISRStackTop = &( xISRStack[ ( configISR_STACK_SIZE & ~portBYTE_ALIGNMENT_MASK ) - 8 ] );
/*-----------------------------------------------------------*/
@ -159,52 +157,47 @@ const StackType_t * const xISRStackTop = &( xISRStack[ ( configISR_STACK_SIZE &
/*
* See header file for description.
*/
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
TaskFunction_t pxCode,
void * pvParameters )
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
{
/* Ensure byte alignment is maintained when leaving this function. */
pxTopOfStack--;
/* Ensure byte alignment is maintained when leaving this function. */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0xDEADBEEF;
pxTopOfStack--;
*pxTopOfStack = (StackType_t) 0xDEADBEEF;
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x12345678; /* Word to which the stack pointer will be left pointing after context restore. */
pxTopOfStack--;
*pxTopOfStack = (StackType_t) 0x12345678; /* Word to which the stack pointer will be left pointing after context restore. */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) _CP0_GET_CAUSE();
pxTopOfStack--;
*pxTopOfStack = (StackType_t) _CP0_GET_CAUSE();
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) portINITIAL_SR; /* CP0_STATUS */
pxTopOfStack--;
*pxTopOfStack = (StackType_t) portINITIAL_SR;/* CP0_STATUS */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) pxCode; /* CP0_EPC */
pxTopOfStack--;
*pxTopOfStack = (StackType_t) pxCode; /* CP0_EPC */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* ra */
pxTopOfStack -= 15;
*pxTopOfStack = (StackType_t) portTASK_RETURN_ADDRESS; /* ra */
pxTopOfStack -= 15;
*pxTopOfStack = ( StackType_t ) pvParameters; /* Parameters to pass in. */
pxTopOfStack -= 15;
*pxTopOfStack = (StackType_t) pvParameters; /* Parameters to pass in. */
pxTopOfStack -= 15;
return pxTopOfStack;
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
static void prvTaskExitError( void )
{
/* A function that implements a task must not exit or attempt to return to
* its caller as there is nothing to return to. If a task wants to exit it
* should instead call vTaskDelete( NULL ).
*
* Artificially force an assert() to be triggered if configASSERT() is
* defined, then stop here so application writers can catch the error. */
configASSERT( uxSavedTaskStackPointer == 0UL );
portDISABLE_INTERRUPTS();
/* A function that implements a task must not exit or attempt to return to
its caller as there is nothing to return to. If a task wants to exit it
should instead call vTaskDelete( NULL ).
for( ; ; )
{
}
Artificially force an assert() to be triggered if configASSERT() is
defined, then stop here so application writers can catch the error. */
configASSERT( uxSavedTaskStackPointer == 0UL );
portDISABLE_INTERRUPTS();
for( ;; );
}
/*-----------------------------------------------------------*/
@ -217,119 +210,123 @@ static void prvTaskExitError( void )
* vector number. When Timer 1 is used the vector number is defined as
* _TIMER_1_VECTOR.
*/
__attribute__( ( weak ) ) void vApplicationSetupTickTimerInterrupt( void )
__attribute__(( weak )) void vApplicationSetupTickTimerInterrupt( void )
{
const uint32_t ulCompareMatch = ( ( configPERIPHERAL_CLOCK_HZ / portTIMER_PRESCALE ) / configTICK_RATE_HZ ) - 1;
const uint32_t ulCompareMatch = ( (configPERIPHERAL_CLOCK_HZ / portTIMER_PRESCALE) / configTICK_RATE_HZ ) - 1;
T1CON = 0x0000;
T1CONbits.TCKPS = portPRESCALE_BITS;
PR1 = ulCompareMatch;
IPC1bits.T1IP = configKERNEL_INTERRUPT_PRIORITY;
T1CON = 0x0000;
T1CONbits.TCKPS = portPRESCALE_BITS;
PR1 = ulCompareMatch;
IPC1bits.T1IP = configKERNEL_INTERRUPT_PRIORITY;
/* Clear the interrupt as a starting condition. */
IFS0bits.T1IF = 0;
/* Clear the interrupt as a starting condition. */
IFS0bits.T1IF = 0;
/* Enable the interrupt. */
IEC0bits.T1IE = 1;
/* Enable the interrupt. */
IEC0bits.T1IE = 1;
/* Start the timer. */
T1CONbits.TON = 1;
/* Start the timer. */
T1CONbits.TON = 1;
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
void vPortEndScheduler(void)
{
/* Not implemented in ports where there is nothing to return to.
* Artificially force an assert. */
configASSERT( uxInterruptNesting == 1000UL );
/* Not implemented in ports where there is nothing to return to.
Artificially force an assert. */
configASSERT( uxInterruptNesting == 1000UL );
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
extern void vPortStartFirstTask( void );
extern void * pxCurrentTCB;
extern void vPortStartFirstTask( void );
extern void *pxCurrentTCB;
#if ( configCHECK_FOR_STACK_OVERFLOW > 2 )
{
/* Fill the ISR stack to make it easy to asses how much is being used. */
memset( ( void * ) xISRStack, portISR_STACK_FILL_BYTE, sizeof( xISRStack ) );
}
#endif /* configCHECK_FOR_STACK_OVERFLOW > 2 */
#if ( configCHECK_FOR_STACK_OVERFLOW > 2 )
{
/* Fill the ISR stack to make it easy to asses how much is being used. */
memset( ( void * ) xISRStack, portISR_STACK_FILL_BYTE, sizeof( xISRStack ) );
}
#endif /* configCHECK_FOR_STACK_OVERFLOW > 2 */
/* Clear the software interrupt flag. */
IFS0CLR = _IFS0_CS0IF_MASK;
/* Clear the software interrupt flag. */
IFS0CLR = _IFS0_CS0IF_MASK;
/* Set software timer priority. */
IPC0CLR = _IPC0_CS0IP_MASK;
IPC0SET = ( configKERNEL_INTERRUPT_PRIORITY << _IPC0_CS0IP_POSITION );
/* Set software timer priority. */
IPC0CLR = _IPC0_CS0IP_MASK;
IPC0SET = ( configKERNEL_INTERRUPT_PRIORITY << _IPC0_CS0IP_POSITION );
/* Enable software interrupt. */
IEC0CLR = _IEC0_CS0IE_MASK;
IEC0SET = 1 << _IEC0_CS0IE_POSITION;
/* Enable software interrupt. */
IEC0CLR = _IEC0_CS0IE_MASK;
IEC0SET = 1 << _IEC0_CS0IE_POSITION;
/* Setup the timer to generate the tick. Interrupts will have been
* disabled by the time we get here. */
vApplicationSetupTickTimerInterrupt();
/* Setup the timer to generate the tick. Interrupts will have been
disabled by the time we get here. */
vApplicationSetupTickTimerInterrupt();
/* Kick off the highest priority task that has been created so far.
* Its stack location is loaded into uxSavedTaskStackPointer. */
uxSavedTaskStackPointer = *( UBaseType_t * ) pxCurrentTCB;
vPortStartFirstTask();
/* Kick off the highest priority task that has been created so far.
Its stack location is loaded into uxSavedTaskStackPointer. */
uxSavedTaskStackPointer = *( UBaseType_t * ) pxCurrentTCB;
vPortStartFirstTask();
/* Should never get here as the tasks will now be executing! Call the task
* exit error function to prevent compiler warnings about a static function
* not being called in the case that the application writer overrides this
* functionality by defining configTASK_RETURN_ADDRESS. */
prvTaskExitError();
/* Should never get here as the tasks will now be executing! Call the task
exit error function to prevent compiler warnings about a static function
not being called in the case that the application writer overrides this
functionality by defining configTASK_RETURN_ADDRESS. */
prvTaskExitError();
return pdFALSE;
return pdFALSE;
}
/*-----------------------------------------------------------*/
void vPortIncrementTick( void )
{
UBaseType_t uxSavedStatus;
UBaseType_t uxSavedStatus;
uxSavedStatus = uxPortSetInterruptMaskFromISR();
{
if( xTaskIncrementTick() != pdFALSE )
{
/* Pend a context switch. */
_CP0_BIS_CAUSE( portCORE_SW_0 );
}
}
vPortClearInterruptMaskFromISR( uxSavedStatus );
uxSavedStatus = uxPortSetInterruptMaskFromISR();
{
if( xTaskIncrementTick() != pdFALSE )
{
/* Pend a context switch. */
_CP0_BIS_CAUSE( portCORE_SW_0 );
}
}
vPortClearInterruptMaskFromISR( uxSavedStatus );
/* Look for the ISR stack getting near or past its limit. */
portCHECK_ISR_STACK();
/* Look for the ISR stack getting near or past its limit. */
portCHECK_ISR_STACK();
/* Clear timer interrupt. */
configCLEAR_TICK_TIMER_INTERRUPT();
/* Clear timer interrupt. */
configCLEAR_TICK_TIMER_INTERRUPT();
}
/*-----------------------------------------------------------*/
UBaseType_t uxPortSetInterruptMaskFromISR( void )
{
UBaseType_t uxSavedStatusRegister;
UBaseType_t uxSavedStatusRegister;
__builtin_disable_interrupts();
uxSavedStatusRegister = _CP0_GET_STATUS() | 0x01;
__builtin_disable_interrupts();
uxSavedStatusRegister = _CP0_GET_STATUS() | 0x01;
/* This clears the IPL bits, then sets them to
configMAX_SYSCALL_INTERRUPT_PRIORITY. This function should not be called
from an interrupt that has a priority above
configMAX_SYSCALL_INTERRUPT_PRIORITY so, when used correctly, the action
can only result in the IPL being unchanged or raised, and therefore never
lowered. */
_CP0_SET_STATUS( ( ( uxSavedStatusRegister & ( ~portALL_IPL_BITS ) ) ) | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) );
/* This clears the IPL bits, then sets them to
* configMAX_SYSCALL_INTERRUPT_PRIORITY. This function should not be called
* from an interrupt that has a priority above
* configMAX_SYSCALL_INTERRUPT_PRIORITY so, when used correctly, the action
* can only result in the IPL being unchanged or raised, and therefore never
* lowered. */
_CP0_SET_STATUS( ( ( uxSavedStatusRegister & ( ~portALL_IPL_BITS ) ) ) | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) );
return uxSavedStatusRegister;
return uxSavedStatusRegister;
}
/*-----------------------------------------------------------*/
void vPortClearInterruptMaskFromISR( UBaseType_t uxSavedStatusRegister )
{
_CP0_SET_STATUS( uxSavedStatusRegister );
_CP0_SET_STATUS( uxSavedStatusRegister );
}
/*-----------------------------------------------------------*/

View file

@ -26,14 +26,14 @@
*/
#ifndef PORTMACRO_H
#define PORTMACRO_H
#define PORTMACRO_H
/* System include files */
#include <xc.h>
#include <xc.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*-----------------------------------------------------------
* Port specific definitions.
@ -46,159 +46,159 @@
*/
/* Type definitions. */
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint32_t
#define portBASE_TYPE long
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint32_t
#define portBASE_TYPE long
typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t;
typedef unsigned long UBaseType_t;
typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t;
typedef unsigned long UBaseType_t;
#if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#else
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#if( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#else
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
* not need to be guarded with a critical section. */
#define portTICK_TYPE_IS_ATOMIC 1
#endif
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
not need to be guarded with a critical section. */
#define portTICK_TYPE_IS_ATOMIC 1
#endif
/*-----------------------------------------------------------*/
/* Hardware specifics. */
#define portBYTE_ALIGNMENT 8
#define portSTACK_GROWTH -1
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8
#define portSTACK_GROWTH -1
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
/*-----------------------------------------------------------*/
/* Critical section management. */
#define portIPL_SHIFT ( 10UL )
#define portALL_IPL_BITS ( 0x3fUL << portIPL_SHIFT )
#define portSW0_BIT ( 0x01 << 8 )
#define portIPL_SHIFT ( 10UL )
#define portALL_IPL_BITS ( 0x3fUL << portIPL_SHIFT )
#define portSW0_BIT ( 0x01 << 8 )
/* This clears the IPL bits, then sets them to
* configMAX_SYSCALL_INTERRUPT_PRIORITY. An extra check is performed if
* configASSERT() is defined to ensure an assertion handler does not inadvertently
* attempt to lower the IPL when the call to assert was triggered because the IPL
* value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY when an ISR
* safe FreeRTOS API function was executed. ISR safe FreeRTOS API functions are
* those that end in FromISR. FreeRTOS maintains a separate interrupt API to
* ensure API function and interrupt entry is as fast and as simple as possible. */
#ifdef configASSERT
#define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS(); \
\
/* Is the current IPL below configMAX_SYSCALL_INTERRUPT_PRIORITY? */ \
if( ( ( ulStatus & portALL_IPL_BITS ) >> portIPL_SHIFT ) < configMAX_SYSCALL_INTERRUPT_PRIORITY ) \
{ \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \
} \
}
#else /* configASSERT */
#define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS(); \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \
}
#endif /* configASSERT */
configMAX_SYSCALL_INTERRUPT_PRIORITY. An extra check is performed if
configASSERT() is defined to ensure an assertion handler does not inadvertently
attempt to lower the IPL when the call to assert was triggered because the IPL
value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY when an ISR
safe FreeRTOS API function was executed. ISR safe FreeRTOS API functions are
those that end in FromISR. FreeRTOS maintains a separate interrupt API to
ensure API function and interrupt entry is as fast and as simple as possible. */
#ifdef configASSERT
#define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS(); \
\
/* Is the current IPL below configMAX_SYSCALL_INTERRUPT_PRIORITY? */ \
if( ( ( ulStatus & portALL_IPL_BITS ) >> portIPL_SHIFT ) < configMAX_SYSCALL_INTERRUPT_PRIORITY ) \
{ \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \
} \
}
#else /* configASSERT */
#define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS(); \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \
}
#endif /* configASSERT */
#define portENABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Unmask all interrupts. */ \
ulStatus = _CP0_GET_STATUS(); \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ulStatus ); \
}
#define portENABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Unmask all interrupts. */ \
ulStatus = _CP0_GET_STATUS(); \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ulStatus ); \
}
extern void vTaskEnterCritical( void );
extern void vTaskExitCritical( void );
#define portCRITICAL_NESTING_IN_TCB 1
#define portENTER_CRITICAL() vTaskEnterCritical()
#define portEXIT_CRITICAL() vTaskExitCritical()
extern void vTaskEnterCritical( void );
extern void vTaskExitCritical( void );
#define portCRITICAL_NESTING_IN_TCB 1
#define portENTER_CRITICAL() vTaskEnterCritical()
#define portEXIT_CRITICAL() vTaskExitCritical()
extern UBaseType_t uxPortSetInterruptMaskFromISR();
extern void vPortClearInterruptMaskFromISR( UBaseType_t );
#define portSET_INTERRUPT_MASK_FROM_ISR() uxPortSetInterruptMaskFromISR()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) vPortClearInterruptMaskFromISR( uxSavedStatusRegister )
extern UBaseType_t uxPortSetInterruptMaskFromISR();
extern void vPortClearInterruptMaskFromISR( UBaseType_t );
#define portSET_INTERRUPT_MASK_FROM_ISR() uxPortSetInterruptMaskFromISR()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) vPortClearInterruptMaskFromISR( uxSavedStatusRegister )
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#endif
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#endif
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
/* Check the configuration. */
#if ( configMAX_PRIORITIES > 32 )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
#endif
/* Check the configuration. */
#if( configMAX_PRIORITIES > 32 )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
#endif
/* Store/clear the ready priorities in a bit map. */
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/* Store/clear the ready priorities in a bit map. */
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/*-----------------------------------------------------------*/
/*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - _clz( ( uxReadyPriorities ) ) )
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - _clz( ( uxReadyPriorities ) ) )
#endif /* taskRECORD_READY_PRIORITY */
#endif /* taskRECORD_READY_PRIORITY */
/*-----------------------------------------------------------*/
/* Task utilities. */
#define portYIELD() \
{ \
uint32_t ulCause; \
\
/* Trigger software interrupt. */ \
ulCause = _CP0_GET_CAUSE(); \
ulCause |= portSW0_BIT; \
_CP0_SET_CAUSE( ulCause ); \
}
#define portYIELD() \
{ \
uint32_t ulCause; \
\
/* Trigger software interrupt. */ \
ulCause = _CP0_GET_CAUSE(); \
ulCause |= portSW0_BIT; \
_CP0_SET_CAUSE( ulCause ); \
}
extern volatile UBaseType_t uxInterruptNesting;
#define portASSERT_IF_IN_ISR() configASSERT( uxInterruptNesting == 0 )
extern volatile UBaseType_t uxInterruptNesting;
#define portASSERT_IF_IN_ISR() configASSERT( uxInterruptNesting == 0 )
#define portNOP() __asm volatile ( "nop" )
#define portNOP() __asm volatile ( "nop" )
/*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) __attribute__( ( noreturn ) )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn))
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
/*-----------------------------------------------------------*/
#define portEND_SWITCHING_ISR( xSwitchRequired ) \
if( xSwitchRequired ) \
{ \
portYIELD(); \
}
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) \
{ \
portYIELD(); \
}
/* Required by the kernel aware debugger. */
#ifdef __DEBUG
#define portREMOVE_STATIC_QUALIFIER
#endif
#ifdef __DEBUG
#define portREMOVE_STATIC_QUALIFIER
#endif
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
}
#endif
#endif /* PORTMACRO_H */