mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-09-01 11:53:53 -04:00
Revert Portable/Softune Formatting (#886)
* Revert formatting on Softune ports * Fix spelling mistakes --------- Co-authored-by: Rahul Kar <118818625+kar-rahul-aws@users.noreply.github.com> Co-authored-by: Gaurav-Aggarwal-AWS <33462878+aggarg@users.noreply.github.com>
This commit is contained in:
Soren Ptak
GitHub
parent
96cdeaa725
commit
92365c9784
6 changed files with 326 additions and 336 deletions
|
|
@ -1,6 +1,6 @@
|
|||
/*
|
||||
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
|
||||
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* SPDX-License-Identifier: MIT
|
||||
*
|
||||
|
|
@ -30,8 +30,8 @@
|
|||
#include "task.h"
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the 16FX port.
|
||||
*----------------------------------------------------------*/
|
||||
* Implementation of functions defined in portable.h for the 16FX port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Get current value of DPR and ADB registers
|
||||
|
|
@ -44,7 +44,7 @@ StackType_t xGet_DPR_ADB_bank( void );
|
|||
StackType_t xGet_DTB_PCB_bank( void );
|
||||
|
||||
/*
|
||||
* Sets up the periodic ISR used for the RTOS tick. This uses RLT0, but
|
||||
* Sets up the periodic ISR used for the RTOS tick. This uses RLT0, but
|
||||
* can be done using any given RLT.
|
||||
*/
|
||||
static void prvSetupRLT0Interrupt( void );
|
||||
|
|
@ -61,164 +61,164 @@ extern volatile TCB_t * volatile pxCurrentTCB;
|
|||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Macro to save a task context to the task stack. This macro copies the
|
||||
* saved context (AH:AL, DPR:ADB, DTB:PCB , PC and PS) from the system
|
||||
* stack to task stack pointed by user stack pointer ( USP for SMALL and
|
||||
* MEDIUM memory model amd USB:USP for COMPACT and LARGE memory model ),
|
||||
* then it pushes the general purpose registers RW0-RW7 on to the task
|
||||
* stack. Finally the resultant stack pointer value is saved into the
|
||||
* task control block so it can be retrieved the next time the task
|
||||
* Macro to save a task context to the task stack. This macro copies the
|
||||
* saved context (AH:AL, DPR:ADB, DTB:PCB , PC and PS) from the system
|
||||
* stack to task stack pointed by user stack pointer ( USP for SMALL and
|
||||
* MEDIUM memory model amd USB:USP for COMPACT and LARGE memory model ),
|
||||
* then it pushes the general purpose registers RW0-RW7 on to the task
|
||||
* stack. Finally the resultant stack pointer value is saved into the
|
||||
* task control block so it can be retrieved the next time the task
|
||||
* executes.
|
||||
*/
|
||||
#if ( ( configMEMMODEL == portSMALL ) || ( configMEMMODEL == portMEDIUM ) )
|
||||
#if( ( configMEMMODEL == portSMALL ) || ( configMEMMODEL == portMEDIUM ) )
|
||||
|
||||
#define portSAVE_CONTEXT() \
|
||||
{ __asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) " ); \
|
||||
__asm( " MOVW A, _pxCurrentTCB " ); \
|
||||
__asm( " MOVW A, SP " ); \
|
||||
__asm( " SWAPW " ); \
|
||||
__asm( " MOVW @AL, AH " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
}
|
||||
#define portSAVE_CONTEXT() \
|
||||
{ __asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \
|
||||
__asm(" MOVW A, _pxCurrentTCB "); \
|
||||
__asm(" MOVW A, SP "); \
|
||||
__asm(" SWAPW "); \
|
||||
__asm(" MOVW @AL, AH "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
}
|
||||
|
||||
/*
|
||||
* Macro to restore a task context from the task stack. This is
|
||||
* effectively the reverse of SAVE_CONTEXT(). First the stack pointer
|
||||
* value (USP for SMALL and MEDIUM memory model amd USB:USP for COMPACT
|
||||
* and LARGE memory model ) is loaded from the task control block. Next the
|
||||
* value of all the general purpose registers RW0-RW7 is retrieved.
|
||||
* and LARGE memory model ) is loaded from the task control block. Next
|
||||
* the value of all the general purpose registers RW0-RW7 is retrieved.
|
||||
* Finally it copies of the context ( AH:AL, DPR:ADB, DTB:PCB, PC and PS)
|
||||
* of the task to be executed upon RETI from user stack to system stack.
|
||||
*/
|
||||
|
||||
#define portRESTORE_CONTEXT() \
|
||||
{ __asm( " MOVW A, _pxCurrentTCB " ); \
|
||||
__asm( " MOVW A, @A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " MOVW SP, A " ); \
|
||||
__asm( " POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
}
|
||||
#define portRESTORE_CONTEXT() \
|
||||
{ __asm(" MOVW A, _pxCurrentTCB "); \
|
||||
__asm(" MOVW A, @A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" MOVW SP, A "); \
|
||||
__asm(" POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
}
|
||||
|
||||
#elif ( ( configMEMMODEL == portCOMPACT ) || ( configMEMMODEL == portLARGE ) )
|
||||
#elif( ( configMEMMODEL == portCOMPACT ) || ( configMEMMODEL == portLARGE ) )
|
||||
|
||||
#define portSAVE_CONTEXT() \
|
||||
{ __asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) " ); \
|
||||
__asm( " MOVL A, _pxCurrentTCB " ); \
|
||||
__asm( " MOVL RL2, A " ); \
|
||||
__asm( " MOVW A, SP " ); \
|
||||
__asm( " MOVW @RL2+0, A " ); \
|
||||
__asm( " MOV A, USB " ); \
|
||||
__asm( " MOV @RL2+2, A " ); \
|
||||
}
|
||||
#define portSAVE_CONTEXT() \
|
||||
{ __asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \
|
||||
__asm(" MOVL A, _pxCurrentTCB "); \
|
||||
__asm(" MOVL RL2, A "); \
|
||||
__asm(" MOVW A, SP "); \
|
||||
__asm(" MOVW @RL2+0, A "); \
|
||||
__asm(" MOV A, USB "); \
|
||||
__asm(" MOV @RL2+2, A "); \
|
||||
}
|
||||
|
||||
#define portRESTORE_CONTEXT() \
|
||||
{ __asm( " MOVL A, _pxCurrentTCB " ); \
|
||||
__asm( " MOVL RL2, A " ); \
|
||||
__asm( " MOVW A, @RL2+0 " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " MOVW SP, A " ); \
|
||||
__asm( " MOV A, @RL2+2 " ); \
|
||||
__asm( " MOV USB, A " ); \
|
||||
__asm( " POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
__asm( " AND CCR,#H'DF " ); \
|
||||
__asm( " POPW A " ); \
|
||||
__asm( " OR CCR,#H'20 " ); \
|
||||
__asm( " PUSHW A " ); \
|
||||
}
|
||||
#endif /* if ( ( configMEMMODEL == portSMALL ) || ( configMEMMODEL == portMEDIUM ) ) */
|
||||
#define portRESTORE_CONTEXT() \
|
||||
{ __asm(" MOVL A, _pxCurrentTCB "); \
|
||||
__asm(" MOVL RL2, A "); \
|
||||
__asm(" MOVW A, @RL2+0 "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" MOVW SP, A "); \
|
||||
__asm(" MOV A, @RL2+2 "); \
|
||||
__asm(" MOV USB, A "); \
|
||||
__asm(" POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
__asm(" AND CCR,#H'DF "); \
|
||||
__asm(" POPW A "); \
|
||||
__asm(" OR CCR,#H'20 "); \
|
||||
__asm(" PUSHW A "); \
|
||||
}
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Functions for obtaining the current value of DPR:ADB, DTB:PCB bank registers
|
||||
* Functions for obtaining the current value of DPR:ADB, DTB:PCB bank registers
|
||||
*/
|
||||
|
||||
#pragma asm
|
||||
|
|
@ -261,12 +261,10 @@ _xGet_DTB_PCB_bank:
|
|||
*
|
||||
* See the header file portable.h.
|
||||
*/
|
||||
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
|
||||
TaskFunction_t pxCode,
|
||||
void * pvParameters )
|
||||
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
|
||||
{
|
||||
/* Place a few bytes of known values on the bottom of the stack.
|
||||
* This is just useful for debugging. */
|
||||
This is just useful for debugging. */
|
||||
*pxTopOfStack = 0x1111;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = 0x2222;
|
||||
|
|
@ -274,12 +272,12 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
|
|||
*pxTopOfStack = 0x3333;
|
||||
pxTopOfStack--;
|
||||
|
||||
/* Once the task is called the task would push the pointer to the
|
||||
* parameter onto the stack. Hence here the pointer would be copied to the stack
|
||||
* first. When using the COMPACT or LARGE memory model the pointer would be 24
|
||||
* bits, and when using the SMALL or MEDIUM memory model the pointer would be 16
|
||||
* bits. */
|
||||
#if ( ( configMEMMODEL == portCOMPACT ) || ( configMEMMODEL == portLARGE ) )
|
||||
/* Once the task is called the task would push the pointer to the
|
||||
parameter onto the stack. Hence here the pointer would be copied to the stack
|
||||
first. When using the COMPACT or LARGE memory model the pointer would be 24
|
||||
bits, and when using the SMALL or MEDIUM memory model the pointer would be 16
|
||||
bits. */
|
||||
#if( ( configMEMMODEL == portCOMPACT ) || ( configMEMMODEL == portLARGE ) )
|
||||
{
|
||||
*pxTopOfStack = ( StackType_t ) ( ( uint32_t ) ( pvParameters ) >> 16 );
|
||||
pxTopOfStack--;
|
||||
|
|
@ -290,9 +288,9 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
|
|||
pxTopOfStack--;
|
||||
|
||||
/* This is redundant push to the stack. This is required in order to introduce
|
||||
* an offset so that the task accesses a parameter correctly that is passed on to
|
||||
* the task stack. */
|
||||
#if ( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
|
||||
an offset so that the task accesses a parameter correctly that is passed on to
|
||||
the task stack. */
|
||||
#if( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
|
||||
{
|
||||
*pxTopOfStack = ( xGet_DTB_PCB_bank() & 0xff00 ) | ( ( ( int32_t ) ( pxCode ) >> 16 ) & 0xff );
|
||||
pxTopOfStack--;
|
||||
|
|
@ -300,7 +298,7 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
|
|||
#endif
|
||||
|
||||
/* This is redundant push to the stack. This is required in order to introduce
|
||||
* an offset so the task correctly accesses the parameter passed on the task stack. */
|
||||
an offset so the task correctly accesses the parameter passed on the task stack. */
|
||||
*pxTopOfStack = ( StackType_t ) ( pxCode );
|
||||
pxTopOfStack--;
|
||||
|
||||
|
|
@ -321,15 +319,15 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
|
|||
#endif
|
||||
|
||||
/* DTB | PCB, in case of MEDIUM and LARGE memory models, PCB would be used
|
||||
* along with PC to indicate the start address of the function. */
|
||||
#if ( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
|
||||
along with PC to indicate the start address of the function. */
|
||||
#if( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
|
||||
{
|
||||
*pxTopOfStack = ( xGet_DTB_PCB_bank() & 0xff00 ) | ( ( ( int32_t ) ( pxCode ) >> 16 ) & 0xff );
|
||||
pxTopOfStack--;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* DPR | ADB */
|
||||
/* DPR | ADB */
|
||||
*pxTopOfStack = xGet_DPR_ADB_bank();
|
||||
pxTopOfStack--;
|
||||
|
||||
|
|
@ -365,7 +363,7 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
|
|||
static void prvSetupRLT0Interrupt( void )
|
||||
{
|
||||
/* The peripheral clock divided by 16 is used by the timer. */
|
||||
const uint16_t usReloadValue = ( uint16_t ) ( ( ( configCLKP1_CLOCK_HZ / configTICK_RATE_HZ ) / 16UL ) - 1UL );
|
||||
const uint16_t usReloadValue = ( uint16_t ) ( ( ( configCLKP1_CLOCK_HZ / configTICK_RATE_HZ ) / 16UL ) - 1UL );
|
||||
|
||||
/* set reload value = 34999+1, TICK Interrupt after 10 ms @ 56MHz of CLKP1 */
|
||||
TMRLR0 = usReloadValue;
|
||||
|
|
@ -383,9 +381,9 @@ BaseType_t xPortStartScheduler( void )
|
|||
/* Restore the context of the first task that is going to run. */
|
||||
portRESTORE_CONTEXT();
|
||||
|
||||
/* Simulate a function call end as generated by the compiler. We will now
|
||||
* jump to the start of the task the context of which we have just restored. */
|
||||
__asm( " reti " );
|
||||
/* Simulate a function call end as generated by the compiler. We will now
|
||||
jump to the start of the task the context of which we have just restored. */
|
||||
__asm(" reti ");
|
||||
|
||||
|
||||
/* Should not get here. */
|
||||
|
|
@ -396,7 +394,7 @@ BaseType_t xPortStartScheduler( void )
|
|||
void vPortEndScheduler( void )
|
||||
{
|
||||
/* Not implemented - unlikely to ever be required as there is nothing to
|
||||
* return to. */
|
||||
return to. */
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
|
@ -408,12 +406,12 @@ void vPortEndScheduler( void )
|
|||
|
||||
#if configUSE_PREEMPTION == 1
|
||||
|
||||
/*
|
||||
* Tick ISR for preemptive scheduler. We can use a __nosavereg attribute
|
||||
* as the context is to be saved by the portSAVE_CONTEXT() macro, not the
|
||||
* compiler generated code. The tick count is incremented after the context
|
||||
* is saved.
|
||||
*/
|
||||
/*
|
||||
* Tick ISR for preemptive scheduler. We can use a __nosavereg attribute
|
||||
* as the context is to be saved by the portSAVE_CONTEXT() macro, not the
|
||||
* compiler generated code. The tick count is incremented after the context
|
||||
* is saved.
|
||||
*/
|
||||
__nosavereg __interrupt void prvRLT0_TICKISR( void )
|
||||
{
|
||||
/* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */
|
||||
|
|
@ -429,7 +427,7 @@ void vPortEndScheduler( void )
|
|||
TMCSR0_UF = 0;
|
||||
|
||||
/* Increment the tick count then switch to the highest priority task
|
||||
* that is ready to run. */
|
||||
that is ready to run. */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
vTaskSwitchContext();
|
||||
|
|
@ -445,13 +443,13 @@ void vPortEndScheduler( void )
|
|||
__EI();
|
||||
}
|
||||
|
||||
#else /* if configUSE_PREEMPTION == 1 */
|
||||
#else
|
||||
|
||||
/*
|
||||
* Tick ISR for the cooperative scheduler. All this does is increment the
|
||||
* tick count. We don't need to switch context, this can only be done by
|
||||
* manual calls to taskYIELD();
|
||||
*/
|
||||
/*
|
||||
* Tick ISR for the cooperative scheduler. All this does is increment the
|
||||
* tick count. We don't need to switch context, this can only be done by
|
||||
* manual calls to taskYIELD();
|
||||
*/
|
||||
__interrupt void prvRLT0_TICKISR( void )
|
||||
{
|
||||
/* Clear RLT0 interrupt flag */
|
||||
|
|
@ -460,12 +458,12 @@ void vPortEndScheduler( void )
|
|||
xTaskIncrementTick();
|
||||
}
|
||||
|
||||
#endif /* if configUSE_PREEMPTION == 1 */
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Manual context switch. We can use a __nosavereg attribute as the context
|
||||
* Manual context switch. We can use a __nosavereg attribute as the context
|
||||
* is to be saved by the portSAVE_CONTEXT() macro, not the compiler generated
|
||||
* code.
|
||||
*/
|
||||
|
|
@ -494,7 +492,7 @@ __nosavereg __interrupt void vPortYieldDelayed( void )
|
|||
__EI();
|
||||
|
||||
/* Clear delayed interrupt flag */
|
||||
__asm( " CLRB 03A4H:0 " );
|
||||
__asm (" CLRB 03A4H:0 ");
|
||||
|
||||
/* Switch to the highest priority task that is ready to run. */
|
||||
vTaskSwitchContext();
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue