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Merge branch 'fix/disable_core1_branch_predictor_in_sleep_process' into 'master'

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

See merge request espressif/esp-idf!48251
This commit is contained in:
Jiang Jiang Jian
2026-05-08 14:49:15 +08:00
parent 8611150899 d0766f2a7f
commit 57309c9f32
3 changed files with 6 additions and 0 deletions
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components/esp_hw_support/lowpower/port/esp32h4/sleep_cpu.c
+2
View File
@@ -479,6 +479,7 @@ esp_err_t sleep_cpu_configure(bool light_sleep_enable)
#if CONFIG_PM_ESP_SLEEP_POWER_DOWN_CPU
static IRAM_ATTR void smp_core_do_retention(void)
{
esp_cpu_branch_prediction_disable();
uint8_t core_id = esp_cpu_get_core_id();
if (core_id == 0) {
@@ -550,6 +551,7 @@ static IRAM_ATTR void smp_core_do_retention(void)
;
}
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
@@ -397,6 +397,7 @@ esp_err_t sleep_cpu_configure(bool light_sleep_enable)
#if CONFIG_PM_ESP_SLEEP_POWER_DOWN_CPU
static SPM_IRAM_ATTR void smp_core_do_retention(void)
{
esp_cpu_branch_prediction_disable();
uint8_t core_id = esp_cpu_get_core_id();
if (core_id == 0) {
@@ -465,6 +466,7 @@ static SPM_IRAM_ATTR void smp_core_do_retention(void)
;
}
atomic_store(&s_smp_retention_state[core_id], SMP_IDLE);
esp_cpu_branch_prediction_enable();
}
components/esp_hw_support/lowpower/port/esp32s31/sleep_cpu.c
+2
View File
@@ -420,6 +420,7 @@ esp_err_t sleep_cpu_configure(bool light_sleep_enable)
#if CONFIG_PM_ESP_SLEEP_POWER_DOWN_CPU
static IRAM_ATTR void smp_core_do_retention(void)
{
esp_cpu_branch_prediction_disable();
uint8_t core_id = esp_cpu_get_core_id();
if (core_id == 0) {
@@ -486,6 +487,7 @@ static IRAM_ATTR void smp_core_do_retention(void)
;
}
atomic_store(&s_smp_retention_state[core_id], SMP_IDLE);
esp_cpu_branch_prediction_enable();
}