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fix(freertos): Corrected xPortCanYield() for esp32p4

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This commit updates the xPortCanYield() for esp32p4 by correcting the
return condition. Previously, the API would return true if an ISR of
priority 1 was received which is incorrect.
This commit is contained in:
Sudeep Mohanty 2023-08-31 17:45:17 +08:00
parent e0f5d3c527
commit d9a3e3bb86
1 changed files with 6 additions and 0 deletions
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6
components/freertos/FreeRTOS-Kernel/portable/riscv/include/freertos/portmacro.h
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@ -641,6 +641,12 @@ FORCE_INLINE_ATTR bool xPortCanYield(void)
uint32_t threshold = REG_READ(INTERRUPT_CORE0_CPU_INT_THRESH_REG);
#if SOC_INT_CLIC_SUPPORTED
threshold = threshold >> (CLIC_CPU_INT_THRESH_S + (8 - NLBITS));
/* When CLIC is supported, the lowest interrupt threshold level is 0.
* Therefore, an interrupt threshold level above 0 would mean that we
* are either in a critical section or in an ISR.
*/
return (threshold == 0);
#endif /* SOC_INT_CLIC_SUPPORTED */
/* when enter critical code, FreeRTOS will mask threshold to RVHAL_EXCM_LEVEL
* and exit critical code, will recover threshold value (1). so threshold <= 1