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Disable stack overflow check for MPU ports (#1231)

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Disable stack overflow check for MPU ports

Stack overflow check is not straight forward to implement for MPU ports
because of the following reasons:
1. The context is stroed in TCB and as a result, pxTopOfStack member
   points to the context location in TCB.
2. System calls are executed on a separate privileged only stack.

It is still okay because an MPU region is used to protect task stack
which means task stack overflow will trigger an MPU fault.

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
This commit is contained in:
Gaurav-Aggarwal-AWS 2025-02-24 21:54:15 +05:30 committed by GitHub
parent 1a1ae36f9a
commit df0aa5a815
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GPG Key ID: B5690EEEBB952194
23 changed files with 41 additions and 149 deletions
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4
include/portable.h
View File

@ -93,10 +93,6 @@
#define portBASE_TYPE_EXIT_CRITICAL() taskEXIT_CRITICAL() #define portBASE_TYPE_EXIT_CRITICAL() taskEXIT_CRITICAL()
#endif #endif
#ifndef portGET_CURRENT_TOP_OF_STACK
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { pxCurrentTopOfStack = ( StackType_t * ) pxCurrentTCB->pxTopOfStack; }
#endif
#ifndef configSTACK_DEPTH_TYPE #ifndef configSTACK_DEPTH_TYPE
#define configSTACK_DEPTH_TYPE StackType_t #define configSTACK_DEPTH_TYPE StackType_t
#endif #endif

81
include/stack_macros.h
View File

@ -53,17 +53,25 @@
#define portSTACK_LIMIT_PADDING 0 #define portSTACK_LIMIT_PADDING 0
#endif #endif
#if ( ( configCHECK_FOR_STACK_OVERFLOW == 1 ) && ( portSTACK_GROWTH < 0 ) ) /* Stack overflow check is not straight forward to implement for MPU ports
* because of the following reasons:
* 1. The context is stored in TCB and as a result, pxTopOfStack member points
* to the context location in TCB.
* 2. System calls are executed on a separate privileged only stack.
*
* It is still okay because an MPU region is used to protect task stack which
* means task stack overflow will trigger an MPU fault for unprivileged tasks.
* Additionally, architectures with hardware stack overflow checking support
* (such as Armv8-M) will trigger a fault when a task's stack overflows.
*/
#if ( ( configCHECK_FOR_STACK_OVERFLOW == 1 ) && ( portSTACK_GROWTH < 0 ) && ( portUSING_MPU_WRAPPERS != 1 ) )
/* Only the current stack state is to be checked. */ /* Only the current stack state is to be checked. */
#define taskCHECK_FOR_STACK_OVERFLOW() \ #define taskCHECK_FOR_STACK_OVERFLOW() \
do \ do \
{ \ { \
StackType_t * pxCurrentTopOfStack; \
portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ); \
\
/* Is the currently saved stack pointer within the stack limit? */ \ /* Is the currently saved stack pointer within the stack limit? */ \
if( pxCurrentTopOfStack <= pxCurrentTCB->pxStack + portSTACK_LIMIT_PADDING ) \ if( pxCurrentTCB->pxTopOfStack <= pxCurrentTCB->pxStack + portSTACK_LIMIT_PADDING ) \
{ \ { \
char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \ char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \ vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \
@ -73,51 +81,46 @@
#endif /* configCHECK_FOR_STACK_OVERFLOW == 1 */ #endif /* configCHECK_FOR_STACK_OVERFLOW == 1 */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if ( ( configCHECK_FOR_STACK_OVERFLOW == 1 ) && ( portSTACK_GROWTH > 0 ) ) #if ( ( configCHECK_FOR_STACK_OVERFLOW == 1 ) && ( portSTACK_GROWTH > 0 ) && ( portUSING_MPU_WRAPPERS != 1 ) )
/* Only the current stack state is to be checked. */ /* Only the current stack state is to be checked. */
#define taskCHECK_FOR_STACK_OVERFLOW() \ #define taskCHECK_FOR_STACK_OVERFLOW() \
do \ do \
{ \ { \
StackType_t * pxCurrentTopOfStack; \ /* Is the currently saved stack pointer within the stack limit? */ \
portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ); \ if( pxCurrentTCB->pxTopOfStack >= pxCurrentTCB->pxEndOfStack - portSTACK_LIMIT_PADDING ) \
\ { \
/* Is the currently saved stack pointer within the stack limit? */ \ char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \
if( pxCurrentTopOfStack >= pxCurrentTCB->pxEndOfStack - portSTACK_LIMIT_PADDING ) \ vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \
{ \ } \
char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \
} \
} while( 0 ) } while( 0 )
#endif /* configCHECK_FOR_STACK_OVERFLOW == 1 */ #endif /* configCHECK_FOR_STACK_OVERFLOW == 1 */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if ( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH < 0 ) ) #if ( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH < 0 ) && ( portUSING_MPU_WRAPPERS != 1 ) )
#define taskCHECK_FOR_STACK_OVERFLOW() \ #define taskCHECK_FOR_STACK_OVERFLOW() \
do \ do \
{ \ { \
const uint32_t * const pulStack = ( uint32_t * ) pxCurrentTCB->pxStack; \ const uint32_t * const pulStack = ( uint32_t * ) pxCurrentTCB->pxStack; \
const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5U; \ const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5U; \
StackType_t * pxCurrentTopOfStack; \ \
portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ); \ if( ( pxCurrentTCB->pxTopOfStack <= pxCurrentTCB->pxStack + portSTACK_LIMIT_PADDING ) || \
\ ( pulStack[ 0 ] != ulCheckValue ) || \
if( ( pxCurrentTopOfStack <= pxCurrentTCB->pxStack + portSTACK_LIMIT_PADDING ) || \ ( pulStack[ 1 ] != ulCheckValue ) || \
( pulStack[ 0 ] != ulCheckValue ) || \ ( pulStack[ 2 ] != ulCheckValue ) || \
( pulStack[ 1 ] != ulCheckValue ) || \ ( pulStack[ 3 ] != ulCheckValue ) ) \
( pulStack[ 2 ] != ulCheckValue ) || \ { \
( pulStack[ 3 ] != ulCheckValue ) ) \ char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \
{ \ vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \
char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \ } \
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \
} \
} while( 0 ) } while( 0 )
#endif /* #if( configCHECK_FOR_STACK_OVERFLOW > 1 ) */ #endif /* #if( configCHECK_FOR_STACK_OVERFLOW > 1 ) */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if ( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH > 0 ) ) #if ( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH > 0 ) && ( portUSING_MPU_WRAPPERS != 1 ) )
#define taskCHECK_FOR_STACK_OVERFLOW() \ #define taskCHECK_FOR_STACK_OVERFLOW() \
do \ do \
@ -128,12 +131,10 @@
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 }; \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE }; \
StackType_t * pxCurrentTopOfStack; \
portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ); \
\ \
pcEndOfStack -= sizeof( ucExpectedStackBytes ); \ pcEndOfStack -= sizeof( ucExpectedStackBytes ); \
\ \
if( ( pxCurrentTopOfStack >= pxCurrentTCB->pxEndOfStack - portSTACK_LIMIT_PADDING ) || \ if( ( pxCurrentTCB->pxTopOfStack >= pxCurrentTCB->pxEndOfStack - portSTACK_LIMIT_PADDING ) || \
( memcmp( ( void * ) pcEndOfStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) != 0 ) ) \ ( memcmp( ( void * ) pcEndOfStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) != 0 ) ) \
{ \ { \
char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \ char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \

5
portable/ARMv8M/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM23/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM23_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM33/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM33_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM35P/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM35P_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM55/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM55_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM85/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/GCC/ARM_CM85_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM23/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM23_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM33/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM33_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM35P/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM35P_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM55/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM55_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM85/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */

5
portable/IAR/ARM_CM85_NTZ/non_secure/portmacrocommon.h
View File

@ -217,11 +217,6 @@ extern void vClearInterruptMask( uint32_t ulMask ) /* __attribute__(( naked )) P
#error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2. #error configSYSTEM_CALL_STACK_SIZE must be defined to the desired size of the system call stack in words for using MPU wrappers v2.
#endif #endif
/* When MPU wrapper v2 is used, the task's context is stored in TCB and
* pxTopOfStack member of TCB points to the context location in TCB. We,
* therefore, need to read PSP to find the task's current top of stack. */
#define portGET_CURRENT_TOP_OF_STACK( pxCurrentTopOfStack ) { __asm volatile ( "mrs %0, psp" : "=r" ( pxCurrentTopOfStack ) ); }
/** /**
* @brief System call stack. * @brief System call stack.
*/ */