unleashed-firmware/furi/core/check.c
あく f3ae09cc16
FuriHal: allow nulling null isr (#2846)
* FuriHal: allow nulling null isr
* FuriHal: include interrupt priority 15 as allowed
* Furi: prevent compiler from optimizing arg in r0 of RESTORE_REGISTERS_AND_HALT_MCU
2023-07-06 01:39:17 +09:00

204 lines
7.1 KiB
C

#include "check.h"
#include "common_defines.h"
#include <stm32wbxx.h>
#include <furi_hal_console.h>
#include <furi_hal_power.h>
#include <furi_hal_rtc.h>
#include <furi_hal_debug.h>
#include <furi_hal_bt.h>
#include <stdio.h>
#include <FreeRTOS.h>
#include <task.h>
#include <stdio.h>
#include <stdlib.h>
PLACE_IN_SECTION("MB_MEM2") const char* __furi_check_message = NULL;
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() \
asm volatile("ldr r11, =__furi_check_message \n" \
"str r12, [r11] \n" \
"ldr r12, =__furi_check_registers \n" \
"stm r12, {r0-r11} \n" \
"str lr, [r12, #48] \n" \
: \
: \
: "memory");
/** Restore registers and halt MCU
*
* - Always use it with GET_MESSAGE_AND_STORE_REGISTERS
* - If debugger is(was) connected this routine will raise bkpt
* - If debugger is not connected then endless loop
*
*/
#define RESTORE_REGISTERS_AND_HALT_MCU(debug) \
register bool r0 asm("r0") = debug; \
asm volatile("cbnz r0, with_debugger%= \n" \
"ldr r12, =__furi_check_registers\n" \
"ldm r12, {r0-r11} \n" \
"loop%=: \n" \
"wfi \n" \
"b loop%= \n" \
"with_debugger%=: \n" \
"ldr r12, =__furi_check_registers\n" \
"ldm r12, {r0-r11} \n" \
"debug_loop%=: \n" \
"bkpt 0x00 \n" \
"wfi \n" \
"b debug_loop%= \n" \
: \
: "r"(r0) \
: "memory");
extern size_t xPortGetTotalHeapSize(void);
extern size_t xPortGetFreeHeapSize(void);
extern size_t xPortGetMinimumEverFreeHeapSize(void);
static void __furi_put_uint32_as_text(uint32_t data) {
char tmp_str[] = "-2147483648";
itoa(data, tmp_str, 10);
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);
}
static void __furi_print_bt_stack_info() {
const FuriHalBtHardfaultInfo* fault_info = furi_hal_bt_get_hardfault_info();
if(fault_info == NULL) {
furi_hal_console_puts("\r\n\tcore2: not faulted");
} else {
furi_hal_console_puts("\r\n\tcore2: hardfaulted.\r\n\tPC: ");
__furi_put_uint32_as_hex(fault_info->source_pc);
furi_hal_console_puts("\r\n\tLR: ");
__furi_put_uint32_as_hex(fault_info->source_lr);
furi_hal_console_puts("\r\n\tSP: ");
__furi_put_uint32_as_hex(fault_info->source_sp);
}
}
static void __furi_print_heap_info() {
furi_hal_console_puts("\r\n\t heap total: ");
__furi_put_uint32_as_text(xPortGetTotalHeapSize());
furi_hal_console_puts("\r\n\t heap free: ");
__furi_put_uint32_as_text(xPortGetFreeHeapSize());
furi_hal_console_puts("\r\n\t heap watermark: ");
__furi_put_uint32_as_text(xPortGetMinimumEverFreeHeapSize());
}
static void __furi_print_name(bool isr) {
if(isr) {
furi_hal_console_puts("[ISR ");
__furi_put_uint32_as_text(__get_IPSR());
furi_hal_console_puts("] ");
} else {
const char* name = pcTaskGetName(NULL);
if(name == NULL) {
furi_hal_console_puts("[main] ");
} else {
furi_hal_console_puts("[");
furi_hal_console_puts(name);
furi_hal_console_puts("] ");
}
}
}
FURI_NORETURN void __furi_crash() {
__disable_irq();
GET_MESSAGE_AND_STORE_REGISTERS();
bool isr = FURI_IS_IRQ_MODE();
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();
__furi_print_bt_stack_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 {
uint32_t ptr = (uint32_t)__furi_check_message;
if(ptr < FLASH_BASE || ptr > (FLASH_BASE + FLASH_SIZE)) {
ptr = (uint32_t) "Check serial logs";
}
furi_hal_rtc_set_fault_data(ptr);
furi_hal_console_puts("\r\nRebooting system.\r\n");
furi_hal_console_puts("\033[0m\r\n");
furi_hal_power_reset();
}
#endif
__builtin_unreachable();
}
FURI_NORETURN void __furi_halt() {
__disable_irq();
GET_MESSAGE_AND_STORE_REGISTERS();
bool isr = FURI_IS_IRQ_MODE();
if(__furi_check_message == NULL) {
__furi_check_message = "System halt requested.";
}
furi_hal_console_puts("\r\n\033[0;31m[HALT]");
__furi_print_name(isr);
furi_hal_console_puts(__furi_check_message);
furi_hal_console_puts("\r\nSystem halted. Bye-bye!\r\n");
furi_hal_console_puts("\033[0m\r\n");
// 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;
RESTORE_REGISTERS_AND_HALT_MCU(debug);
__builtin_unreachable();
}