Merge 79b4b3aa2f into 7b050b366b

ports/esp32/CMakeLists.txt

@@ -59,5 +59,8 @@ include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 # Set the location of the main component for the project (one per target).
 list(APPEND EXTRA_COMPONENT_DIRS main_${IDF_TARGET})
 
+# Enable the panic handler wrapper
+idf_build_set_property(LINK_OPTIONS "-Wl,--wrap=esp_panic_handler" APPEND)
+
 # Define the project.
 project(micropython)

ports/esp32/esp32_common.cmake

@@ -53,6 +53,7 @@ list(APPEND MICROPY_SOURCE_DRIVERS
 )
 
 list(APPEND MICROPY_SOURCE_PORT
+    panichandler.c
     adc.c
     main.c
     ppp_set_auth.c

ports/esp32/panichandler.c

@@ -0,0 +1,42 @@
+#include "genhdr/mpversion.h"
+#include "py/mpconfig.h"
+
+#ifdef MICROPY_BUILD_TYPE
+#define MICROPY_BUILD_TYPE_PAREN " (" MICROPY_BUILD_TYPE ")"
+#else
+#define MICROPY_BUILD_TYPE_PAREN
+#endif
+
+#ifdef CONFIG_ESP_PANIC_HANDLER_IRAM
+#define MICROPY_WRAP_PANICHANDLER_FUN(f) IRAM_ATTR f
+#define MICROPY_WRAP_PANICHANDLER_STR(s) DRAM_STR(s)
+#else
+#define MICROPY_WRAP_PANICHANDLER_FUN(f) f
+#define MICROPY_WRAP_PANICHANDLER_STR(s) (s)
+#endif
+
+void __real_esp_panic_handler(void *);
+void esp_panic_handler_reconfigure_wdts(uint32_t timeout_ms);
+void panic_print_str(const char *str);
+
+void MICROPY_WRAP_PANICHANDLER_FUN(__wrap_esp_panic_handler)(void *info) {
+    esp_panic_handler_reconfigure_wdts(1000);
+
+    const static char *msg = MICROPY_WRAP_PANICHANDLER_STR(
+        "\r\n"
+        "A fatal error occurred. The crash dump printed below may be used to help\r\n"
+        "determine what caused it. If you are not already running the most recent\r\n"
+        "version of MicroPython, consider upgrading. New versions often fix bugs.\r\n"
+        "\r\n"
+        "To learn more about how to debug and/or report this crash visit the wiki\r\n"
+        "page at: https://github.com/micropython/micropython/wiki/ESP32-debugging\r\n"
+        "\r\n"
+        "MPY version : " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE MICROPY_BUILD_TYPE_PAREN "\r\n"
+        "IDF version : " IDF_VER "\r\n"
+        "Machine     : " MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME "\r\n"
+        "\r\n"
+        );
+    panic_print_str(msg);
+
+    __real_esp_panic_handler(info);
+}