Merge branch 'test/rtc_noinit_wdt_test' into 'master'

esp32: verify that RTC_NOINIT_ATTR vars are preserved after WDT reset

See merge request espressif/esp-idf!4936

components/esp32/test/test_reset_reason.c

@@ -141,12 +141,14 @@ TEST_CASE_MULTIPLE_STAGES("reset reason ESP_RST_SW after restart from APP CPU",
 
 static void do_int_wdt()
 {
+    setup_values();
     portENTER_CRITICAL_NESTED();
     while(1);
 }
 
 static void do_int_wdt_hw()
 {
+    setup_values();
     XTOS_SET_INTLEVEL(XCHAL_NMILEVEL);
     while(1);
 }
@@ -154,6 +156,7 @@ static void do_int_wdt_hw()
 static void check_reset_reason_int_wdt()
 {
     TEST_ASSERT_EQUAL(ESP_RST_INT_WDT, esp_reset_reason());
+    TEST_ASSERT_EQUAL_HEX32(CHECK_VALUE, s_rtc_noinit_val);
 }
 
 TEST_CASE_MULTIPLE_STAGES("reset reason ESP_RST_INT_WDT after interrupt watchdog (panic)",
@@ -194,6 +197,7 @@ TEST_CASE_MULTIPLE_STAGES("reset reason ESP_RST_TASK_WDT after task watchdog",
 
 static void do_rtc_wdt()
 {
+    setup_values();
     WRITE_PERI_REG(RTC_CNTL_WDTWPROTECT_REG, RTC_CNTL_WDT_WKEY_VALUE);
     REG_SET_FIELD(RTC_CNTL_WDTCONFIG0_REG, RTC_CNTL_WDT_SYS_RESET_LENGTH, 7);
     REG_SET_FIELD(RTC_CNTL_WDTCONFIG0_REG, RTC_CNTL_WDT_STG0, RTC_WDT_STG_SEL_RESET_SYSTEM);
@@ -205,6 +209,7 @@ static void do_rtc_wdt()
 static void check_reset_reason_any_wdt()
 {
     TEST_ASSERT_EQUAL(ESP_RST_WDT, esp_reset_reason());
+    TEST_ASSERT_EQUAL_HEX32(CHECK_VALUE, s_rtc_noinit_val);
 }
 
 TEST_CASE_MULTIPLE_STAGES("reset reason ESP_RST_WDT after RTC watchdog",