From e2b299660e0e18220409a2e6d2ed6e09d709d9bc Mon Sep 17 00:00:00 2001
From: wuzhenghui <wuzhenghui@espressif.com>
Date: Thu, 8 Dec 2022 12:01:25 +0800
Subject: [PATCH] bugfix: unstall other cpu on core reset - Closes
 https://github.com/espressif/esp-idf/issues/10320

---
 components/esp_system/esp_system.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/components/esp_system/esp_system.c b/components/esp_system/esp_system.c
index 8d2457b2c0..3fa64c9935 100644
--- a/components/esp_system/esp_system.c
+++ b/components/esp_system/esp_system.c
@@ -36,10 +36,19 @@ void IRAM_ATTR esp_restart_noos_dig(void)
     // switch to XTAL (otherwise we will keep running from the PLL)
     rtc_clk_cpu_freq_set_xtal();
 
-#if CONFIG_IDF_TARGET_ESP32
-    esp_cpu_unstall(PRO_CPU_NUM);
+    // esp_restart_noos_dig() will generates a core reset, which does not reset the
+    // registers of the RTC domain, so the CPU's stall state remains after the reset,
+    // we need to release them here
+#if !CONFIG_FREERTOS_UNICORE
+    // Unstall all other cores
+    int core_id = cpu_hal_get_core_id();
+    for (uint32_t i = 0; i < SOC_CPU_CORES_NUM; i++) {
+        if (i != core_id) {
+            esp_cpu_unstall(i);
+        }
+    }
 #endif
-    // reset the digital part
+    // generate core reset
     SET_PERI_REG_MASK(RTC_CNTL_OPTIONS0_REG, RTC_CNTL_SW_SYS_RST);
     while (true) {
         ;