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fix(esp_hw_support): fix core1 branch predictor access ext mem after cache disabled by core0

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This commit is contained in:
wuzhenghui
2026-05-11 17:40:04 +08:00
parent 6b7f4e1534
commit c9c849dd85
2 changed files with 4 additions and 0 deletions
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components/esp_hw_support/lowpower/port/esp32h4/sleep_cpu.c
+2
View File
@@ -484,6 +484,7 @@ esp_err_t sleep_cpu_configure(bool light_sleep_enable)
#if CONFIG_PM_ESP_SLEEP_POWER_DOWN_CPU #if CONFIG_PM_ESP_SLEEP_POWER_DOWN_CPU
static IRAM_ATTR void smp_core_do_retention(void) static IRAM_ATTR void smp_core_do_retention(void)
{ {
esp_cpu_branch_prediction_disable();
uint8_t core_id = esp_cpu_get_core_id(); uint8_t core_id = esp_cpu_get_core_id();
if (core_id == 0) { if (core_id == 0) {
@@ -559,6 +560,7 @@ static IRAM_ATTR void smp_core_do_retention(void)
; ;
} }
atomic_store(&s_smp_retention_state[core_id], SMP_IDLE); atomic_store(&s_smp_retention_state[core_id], SMP_IDLE);
esp_cpu_branch_prediction_enable();
} }
components/esp_hw_support/lowpower/port/esp32p4/sleep_cpu.c
+2
View File
@@ -386,6 +386,7 @@ esp_err_t sleep_cpu_configure(bool light_sleep_enable)
#if CONFIG_PM_ESP_SLEEP_POWER_DOWN_CPU #if CONFIG_PM_ESP_SLEEP_POWER_DOWN_CPU
static SPM_IRAM_ATTR void smp_core_do_retention(void) static SPM_IRAM_ATTR void smp_core_do_retention(void)
{ {
esp_cpu_branch_prediction_disable();
uint8_t core_id = esp_cpu_get_core_id(); uint8_t core_id = esp_cpu_get_core_id();
if (core_id == 0) { if (core_id == 0) {
@@ -452,6 +453,7 @@ static SPM_IRAM_ATTR void smp_core_do_retention(void)
; ;
} }
atomic_store(&s_smp_retention_state[core_id], SMP_IDLE); atomic_store(&s_smp_retention_state[core_id], SMP_IDLE);
esp_cpu_branch_prediction_enable();
} }