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[FL-3286] Don't reboot on crash in debug builds (#2613)

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* furi: never reboot on furi_crash in debug builds
* furi: crash info: added registers
* furi: check and assert optimization, split registers and stack info dump
* furi: macro uppercase

Co-authored-by: SG <who.just.the.doctor@gmail.com>
This commit is contained in:
hedger 2023-04-25 20:33:13 +04:00 committed by GitHub
parent 1ef70c0bb4
commit d70ba2b740
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 44 additions and 11 deletions
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31
furi/core/check.c
View file

@ -14,7 +14,7 @@
#include <stdlib.h>
PLACE_IN_SECTION("MB_MEM2") const char* __furi_check_message = NULL;
PLACE_IN_SECTION("MB_MEM2") uint32_t __furi_check_registers[12] = {0};
PLACE_IN_SECTION("MB_MEM2") uint32_t __furi_check_registers[13] = {0};
/** Load r12 value to __furi_check_message and store registers to __furi_check_registers */
#define GET_MESSAGE_AND_STORE_REGISTERS() \
@ -22,6 +22,7 @@ PLACE_IN_SECTION("MB_MEM2") uint32_t __furi_check_registers[12] = {0};
"str r12, [r11] \n" \
"ldr r12, =__furi_check_registers \n" \
"stm r12, {r0-r11} \n" \
"str lr, [r12, #48] \n" \
: \
: \
: "memory");
@ -62,6 +63,25 @@ static void __furi_put_uint32_as_text(uint32_t data) {
furi_hal_console_puts(tmp_str);
}
static void __furi_put_uint32_as_hex(uint32_t data) {
char tmp_str[] = "0xFFFFFFFF";
itoa(data, tmp_str, 16);
furi_hal_console_puts(tmp_str);
}
static void __furi_print_register_info() {
// Print registers
for(uint8_t i = 0; i < 12; i++) {
furi_hal_console_puts("\r\n\tr");
__furi_put_uint32_as_text(i);
furi_hal_console_puts(" : ");
__furi_put_uint32_as_hex(__furi_check_registers[i]);
}
furi_hal_console_puts("\r\n\tlr : ");
__furi_put_uint32_as_hex(__furi_check_registers[12]);
}
static void __furi_print_stack_info() {
furi_hal_console_puts("\r\n\tstack watermark: ");
__furi_put_uint32_as_text(uxTaskGetStackHighWaterMark(NULL) * 4);
@ -101,32 +121,41 @@ FURI_NORETURN void __furi_crash() {
if(__furi_check_message == NULL) {
__furi_check_message = "Fatal Error";
} else if(__furi_check_message == (void*)__FURI_ASSERT_MESSAGE_FLAG) {
__furi_check_message = "furi_assert failed";
} else if(__furi_check_message == (void*)__FURI_CHECK_MESSAGE_FLAG) {
__furi_check_message = "furi_check failed";
}
furi_hal_console_puts("\r\n\033[0;31m[CRASH]");
__furi_print_name(isr);
furi_hal_console_puts(__furi_check_message);
__furi_print_register_info();
if(!isr) {
__furi_print_stack_info();
}
__furi_print_heap_info();
#ifndef FURI_DEBUG
// Check if debug enabled by DAP
// https://developer.arm.com/documentation/ddi0403/d/Debug-Architecture/ARMv7-M-Debug/Debug-register-support-in-the-SCS/Debug-Halting-Control-and-Status-Register--DHCSR?lang=en
bool debug = CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk;
if(debug) {
#endif
furi_hal_console_puts("\r\nSystem halted. Connect debugger for more info\r\n");
furi_hal_console_puts("\033[0m\r\n");
furi_hal_debug_enable();
RESTORE_REGISTERS_AND_HALT_MCU(true);
#ifndef FURI_DEBUG
} else {
furi_hal_rtc_set_fault_data((uint32_t)__furi_check_message);
furi_hal_console_puts("\r\nRebooting system.\r\n");
furi_hal_console_puts("\033[0m\r\n");
furi_hal_power_reset();
}
#endif
__builtin_unreachable();
}

24
furi/core/check.h
View file

@ -21,6 +21,10 @@ extern "C" {
#define FURI_NORETURN noreturn
#endif
// Flags instead of pointers will save ~4 bytes on furi_assert and furi_check calls.
#define __FURI_ASSERT_MESSAGE_FLAG (0x01)
#define __FURI_CHECK_MESSAGE_FLAG (0x02)
/** Crash system */
FURI_NORETURN void __furi_crash();
@ -44,20 +48,20 @@ FURI_NORETURN void __furi_halt();
} while(0)
/** Check condition and crash if check failed */
#define furi_check(__e) \
do { \
if(!(__e)) { \
furi_crash("furi_check failed\r\n"); \
} \
#define furi_check(__e) \
do { \
if(!(__e)) { \
furi_crash(__FURI_ASSERT_MESSAGE_FLAG); \
} \
} while(0)
/** Only in debug build: Assert condition and crash if assert failed */
#ifdef FURI_DEBUG
#define furi_assert(__e) \
do { \
if(!(__e)) { \
furi_crash("furi_assert failed\r\n"); \
} \
#define furi_assert(__e) \
do { \
if(!(__e)) { \
furi_crash(__FURI_CHECK_MESSAGE_FLAG); \
} \
} while(0)
#else
#define furi_assert(__e) \