diff options
Diffstat (limited to 'firmware/targets/f7/furi_hal/furi_hal_interrupt.c')
-rw-r--r-- | firmware/targets/f7/furi_hal/furi_hal_interrupt.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/firmware/targets/f7/furi_hal/furi_hal_interrupt.c b/firmware/targets/f7/furi_hal/furi_hal_interrupt.c index fa595921..038ae948 100644 --- a/firmware/targets/f7/furi_hal/furi_hal_interrupt.c +++ b/firmware/targets/f7/furi_hal/furi_hal_interrupt.c @@ -6,6 +6,7 @@ #include <stm32wbxx.h> #include <stm32wbxx_ll_tim.h> #include <stm32wbxx_ll_rcc.h> +#include <stm32wbxx_ll_cortex.h> #define TAG "FuriHalInterrupt" @@ -95,6 +96,10 @@ void furi_hal_interrupt_init() { LL_SYSCFG_DisableIT_FPU_IDC(); LL_SYSCFG_DisableIT_FPU_IXC(); + LL_HANDLER_EnableFault(LL_HANDLER_FAULT_USG); + LL_HANDLER_EnableFault(LL_HANDLER_FAULT_BUS); + LL_HANDLER_EnableFault(LL_HANDLER_FAULT_MEM); + FURI_LOG_I(TAG, "Init OK"); } @@ -241,6 +246,20 @@ void HardFault_Handler() { } void MemManage_Handler() { + if(FURI_BIT(SCB->CFSR, SCB_CFSR_MMARVALID_Pos)) { + uint32_t memfault_address = SCB->MMFAR; + if(memfault_address < (1024 * 1024)) { + // from 0x00 to 1MB, see FuriHalMpuRegionNULL + furi_crash("NULL pointer dereference"); + } else { + // write or read of MPU region 1 (FuriHalMpuRegionStack) + furi_crash("MPU fault, possibly stack overflow"); + } + } else if(FURI_BIT(SCB->CFSR, SCB_CFSR_MSTKERR_Pos)) { + // push to stack on MPU region 1 (FuriHalMpuRegionStack) + furi_crash("MemManage fault, possibly stack overflow"); + } + furi_crash("MemManage"); } |