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trezor-firmware/core/embed/trezorhal/stm32f4/fault_handlers.c
2024-06-17 16:57:33 +02:00

24 lines
613 B
C

#include "common.h"
void fault_handlers_init(void) {
// Enable BUS fault and USAGE fault handlers
SCB->SHCSR |= (SCB_SHCSR_USGFAULTENA_Msk | SCB_SHCSR_BUSFAULTENA_Msk);
}
void HardFault_Handler(void) { error_shutdown("(HF)"); }
void MemManage_Handler_MM(void) { error_shutdown("(MM)"); }
void MemManage_Handler_SO(void) { error_shutdown("(SO)"); }
void BusFault_Handler(void) { error_shutdown("(BF)"); }
void UsageFault_Handler(void) { error_shutdown("(UF)"); }
void NMI_Handler(void) {
// Clock Security System triggered NMI
if ((RCC->CIR & RCC_CIR_CSSF) != 0) {
error_shutdown("(CS)");
}
}