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

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wuzhenghui
2026-05-07 20:58:55 +08:00
parent d637b14e56
commit f7f0dcaeb7
1 changed files with 2 additions and 0 deletions
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2
components/esp_hw_support/lowpower/cpu_retention/port/esp32p4/sleep_cpu.c
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@@ -509,6 +509,7 @@ esp_err_t sleep_cpu_configure(bool light_sleep_enable)
#if ESP_SLEEP_POWER_DOWN_CPU
static TCM_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) {
@@ -573,6 +574,7 @@ static TCM_IRAM_ATTR void smp_core_do_retention(void)
;
}
atomic_store(&s_smp_retention_state[core_id], SMP_IDLE);
esp_cpu_branch_prediction_enable();
}