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fix(esp_hw_support): disable esp32 livelock workaround before stall another core

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This commit is contained in:
wuzhenghui
2026-07-15 16:28:17 +08:00
parent ff81dad1bd
commit 68bb4a1c44
1 changed files with 10 additions and 7 deletions
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components/esp_hw_support/sleep_modes.c
+10 -7
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@@ -1187,16 +1187,18 @@ static esp_err_t FORCE_IRAM_ATTR deep_sleep_start(bool allow_sleep_rejection)
esp_clk_private_lock(); // Maybe acquired from esp_clk_slowclk_cal_set
#endif
#if CONFIG_ESP_INT_WDT && CONFIG_ESP32_ECO3_CACHE_LOCK_FIX
// The other core will be stalled by high-priority interrupt and spins on variables in internal RAM,
// which naturally avoids cache livelock, so the 20ms livelock workaround timeout is not needed.
// Must do it before stalling another core, since s_iwdt_configure_lock spinlock is acquired in
// esp_int_wdt_livelock_workaround, which may cause deadlock.
esp_int_wdt_livelock_workaround(false);
#endif
/* Disable interrupts and stall another core in case another task writes
* to RTC memory while we calculate RTC memory CRC.
*/
esp_ipc_isr_stall_other_cpu();
esp_ipc_isr_stall_pause();
#if CONFIG_ESP_INT_WDT && CONFIG_ESP32_ECO3_CACHE_LOCK_FIX
// The other core will be stalled by high-priority interrupt and spins on variables in internal RAM,
// which naturally avoids cache livelock, so the 20ms livelock workaround timeout is not needed.
esp_int_wdt_livelock_workaround(false);
#endif
// record current RTC time
s_config.rtc_ticks_at_sleep_start = rtc_time_get();
@@ -1263,12 +1265,13 @@ static esp_err_t FORCE_IRAM_ATTR deep_sleep_start(bool allow_sleep_rejection)
ESP_INFINITE_LOOP();
}
// Never returns here, except that the sleep is rejected.
esp_ipc_isr_stall_resume();
esp_ipc_isr_release_other_cpu();
#if CONFIG_ESP_INT_WDT && CONFIG_ESP32_ECO3_CACHE_LOCK_FIX
// Configure WDT to use livelock workaround timeout after releasing other CPU
esp_int_wdt_livelock_workaround(true);
#endif
esp_ipc_isr_stall_resume();
esp_ipc_isr_release_other_cpu();
#if !CONFIG_FREERTOS_UNICORE
esp_clk_private_unlock();
esp_os_exit_critical_safe(&rtc_spinlock);