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fix(esp_hw_support): allow allocating interrupts with handlers in ROM with IRAM attribute

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The interrupt allocator now allows allocating an interrupt with a handler in ROM
and flags set to ESP_INTR_FLAG_IRAM
This commit is contained in:
Omar Chebib
2024-10-16 09:36:09 +08:00
committed by Marius Vikhammer
parent 5d3399f079
commit 9d0c888bec
3 changed files with 46 additions and 4 deletions
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components/esp_hw_support/intr_alloc.c
+8 -1
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@@ -472,6 +472,13 @@ static void IRAM_ATTR non_shared_intr_isr(void *arg)
}
#endif
bool esp_intr_ptr_in_isr_region(void* ptr)
{
return esp_ptr_in_iram(ptr) || esp_ptr_in_rtc_iram_fast(ptr) || esp_ptr_in_rom(ptr);
}
//We use ESP_EARLY_LOG* here because this can be called before the scheduler is running.
esp_err_t esp_intr_alloc_intrstatus(int source, int flags, uint32_t intrstatusreg, uint32_t intrstatusmask, intr_handler_t handler,
void *arg, intr_handle_t *ret_handle)
@@ -499,7 +506,7 @@ esp_err_t esp_intr_alloc_intrstatus(int source, int flags, uint32_t intrstatusre
//ToDo: if we are to allow placing interrupt handlers into the 0x400c0000—0x400c2000 region,
//we need to make sure the interrupt is connected to the CPU0.
//CPU1 does not have access to the RTC fast memory through this region.
if ((flags & ESP_INTR_FLAG_IRAM) && handler && !esp_ptr_in_iram(handler) && !esp_ptr_in_rtc_iram_fast(handler)) {
if ((flags & ESP_INTR_FLAG_IRAM) && handler && !esp_intr_ptr_in_isr_region(handler)) {
return ESP_ERR_INVALID_ARG;
}