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| author | Darian <32921628+Dazza0@users.noreply.github.com> | 2023-12-11 10:12:53 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-12-11 10:12:53 +0300 |
| commit | bd0f87c18b292f45ebf4d4b4c5bb96765465f760 (patch) | |
| tree | 0b2b66bc359b3fe30bbec936b112f339d252ddaa | |
| parent | 30e6b8a5eadbf61b7118c3d0ad8d205c16dfbb1c (diff) | |
Add portTASK_SWITCH_HOOK (#867)
This commit adds a portTASK_SWITCH_HOOK() macro which allows ports to inject
behavior immediately after a context switch. For example, this macro could be
used by ports that need to set an end of stack watchpoint after a context
swtich.
Co-authored-by: Rahul Kar <118818625+kar-rahul-aws@users.noreply.github.com>
Co-authored-by: Soren Ptak <ptaksoren@gmail.com>
Co-authored-by: chinglee-iot <61685396+chinglee-iot@users.noreply.github.com>
Co-authored-by: Tony Josi <tonyjosi@amazon.com>
Co-authored-by: Gaurav-Aggarwal-AWS <33462878+aggarg@users.noreply.github.com>
| -rw-r--r-- | include/FreeRTOS.h | 4 | ||||
| -rw-r--r-- | tasks.c | 10 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/FreeRTOS.h b/include/FreeRTOS.h index b6caec77f..23526bb02 100644 --- a/include/FreeRTOS.h +++ b/include/FreeRTOS.h @@ -529,6 +529,10 @@ #define portSETUP_TCB( pxTCB ) ( void ) ( pxTCB ) #endif +#ifndef portTASK_SWITCH_HOOK + #define portTASK_SWITCH_HOOK( pxTCB ) ( void ) ( pxTCB ) +#endif + #ifndef configQUEUE_REGISTRY_SIZE #define configQUEUE_REGISTRY_SIZE 0U #endif @@ -5153,6 +5153,11 @@ BaseType_t xTaskIncrementTick( void ) taskSELECT_HIGHEST_PRIORITY_TASK(); traceTASK_SWITCHED_IN(); + /* Macro to inject port specific behaviour immediately after + * switching tasks, such as setting an end of stack watchpoint + * or reconfiguring the MPU. */ + portTASK_SWITCH_HOOK( pxCurrentTCB ); + /* After the new task is switched in, update the global errno. */ #if ( configUSE_POSIX_ERRNO == 1 ) { @@ -5245,6 +5250,11 @@ BaseType_t xTaskIncrementTick( void ) taskSELECT_HIGHEST_PRIORITY_TASK( xCoreID ); traceTASK_SWITCHED_IN(); + /* Macro to inject port specific behaviour immediately after + * switching tasks, such as setting an end of stack watchpoint + * or reconfiguring the MPU. */ + portTASK_SWITCH_HOOK( pxCurrentTCBs[ portGET_CORE_ID() ] ); + /* After the new task is switched in, update the global errno. */ #if ( configUSE_POSIX_ERRNO == 1 ) { |