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fix(hal): fix the issue of dual-core contention for RTC_CNTL regs

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This commit is contained in:
hebinglin
2026-03-02 14:39:00 +08:00
parent c59aab9a07
commit e16933fdcb
23 changed files with 258 additions and 57 deletions
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components/ulp/ulp_fsm/ulp.c
+16 -3
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2010-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2010-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -30,6 +30,13 @@
#include "esp_check.h"
#include "esp_private/rtc_ctrl.h"
#include "esp_private/periph_ctrl.h"
#if SOC_RTC_CNTL_NEEDS_ATOMIC_ACCESS
#define RTC_CNTL_ATOMIC() PERIPH_RCC_ATOMIC()
#else
#define RTC_CNTL_ATOMIC()
#endif
typedef struct {
uint32_t magic;
@@ -46,7 +53,10 @@ static const char* TAG = "ulp";
esp_err_t ulp_isr_register(intr_handler_t fn, void *arg)
{
ESP_RETURN_ON_FALSE(fn, ESP_ERR_INVALID_ARG, TAG, "ULP ISR is NULL");
REG_SET_BIT(RTC_CNTL_INT_ENA_REG, RTC_CNTL_ULP_CP_INT_ENA_M);
/* Enable the interrupt bit atomically to avoid race condition with other code accessing RTC_CNTL_INT_ENA_REG */
RTC_CNTL_ATOMIC() {
REG_SET_BIT(RTC_CNTL_INT_ENA_REG, RTC_CNTL_ULP_CP_INT_ENA_M);
}
#if CONFIG_IDF_TARGET_ESP32
return rtc_isr_register(fn, arg, RTC_CNTL_SAR_INT_ST_M, 0);
#else
@@ -57,7 +67,10 @@ esp_err_t ulp_isr_register(intr_handler_t fn, void *arg)
esp_err_t ulp_isr_deregister(intr_handler_t fn, void *arg)
{
ESP_RETURN_ON_FALSE(fn, ESP_ERR_INVALID_ARG, TAG, "ULP ISR is NULL");
REG_CLR_BIT(RTC_CNTL_INT_ENA_REG, RTC_CNTL_ULP_CP_INT_ENA_M);
/* Disable the interrupt bit atomically to avoid race condition with other code accessing RTC_CNTL_INT_ENA_REG */
RTC_CNTL_ATOMIC() {
REG_CLR_BIT(RTC_CNTL_INT_ENA_REG, RTC_CNTL_ULP_CP_INT_ENA_M);
}
return rtc_isr_deregister(fn, arg);
}