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Add portTASK_SWITCH_HOOK (#867)

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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>
This commit is contained in:
Darian 2023-12-11 15:12:53 +08:00 committed by GitHub
parent 30e6b8a5ea
commit bd0f87c18b
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2 changed files with 14 additions and 0 deletions
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4
include/FreeRTOS.h
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@ -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

10
tasks.c
View file

@ -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 )
{