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Make vPortYieldWithinAPI and FreeRTOS_Tick_Handler into more configurable functions

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This commit is contained in:
Soren Ptak 2024-01-09 15:45:45 -05:00
parent c1124d5707
commit 745384b04d
2 changed files with 8 additions and 6 deletions
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1
portable/GCC/ARM_CRx_MPU/mpu_wrappers_v2_asm.S
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@ -52,7 +52,6 @@ vPortYield:
/* After yielding to another task, resume executing the calling task */
BX LR
/*-------------------------------------------------------------------------------*/
/* vPortSystemCallExit */
.align 4

13
portable/GCC/ARM_CRx_MPU/portASM.S
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@ -185,10 +185,10 @@ FreeRTOS_Tick_Handler:
portSAVE_CONTEXT
/* Clear interrupt flag in Real Time Interrupt. */
LDR R0, =configRTI_ADDRESS
MOV R1, #1
LDR R1, =configRTI_CLEAR_VALUE
STR R1, [R0]
/* Increment the tick count, making any adjustments to the blocked lists
that may be necessary. */
* that may be necessary. */
BL xTaskIncrementTick
/* If xTaskIncrementTick returned non-zero then select the next task to execute. */
CMP R0, #0
@ -206,9 +206,12 @@ vPortYieldWithinAPI:
SUB LR, LR, #4
/* Save Currently Executing Task Context */
portSAVE_CONTEXT
/* Clear the Interrupt Flag for vPortYieldWithinAPI */
MOV R0, #configSSI_ADDRESS
LDR R0, [R0]
/* Load the register address to clear the pending yield */
LDR R0, =configCLEAR_YIELD_REG_ADDR
/* Load the value needed to mark the pending yield as done */
LDR R1, =configCLEAR_YIELD_CLR_VAL
/* Write the clear value to the register */
LDR R1, [R0]
/* Select the next task to execute. */
BL vTaskSwitchContext
/* Restore the context of the task selected to execute. */