diff --git a/components/esp_system/linker.lf b/components/esp_system/linker.lf
index d1c32659ac..e55780553c 100644
--- a/components/esp_system/linker.lf
+++ b/components/esp_system/linker.lf
@@ -4,7 +4,8 @@ entries:
     panic (noflash)
     panic_handler (noflash)
     reset_reason (noflash)
-    
+    system_api:esp_system_abort (noflash)
+
     if ESP_CONSOLE_USB_CDC_SUPPORT_ETS_PRINTF:
         usb_console:esp_usb_console_write_char (noflash)
         usb_console:esp_usb_console_write_buf (noflash)
diff --git a/components/esp_system/startup.c b/components/esp_system/startup.c
index 8678f6d7be..d65ce54d75 100644
--- a/components/esp_system/startup.c
+++ b/components/esp_system/startup.c
@@ -166,7 +166,7 @@ static void  esp_startup_start_app_other_cores_default(void)
     }
 }
 
-static void start_cpu_other_cores_default(void)
+static void IRAM_ATTR start_cpu_other_cores_default(void)
 {
     do_system_init_fn();