mirror of https://github.com/ARMmbed/mbed-os.git
Astyle format mbed_fault_handler.[ch]
parent
49928ec143
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020f0e580d
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@ -32,43 +32,43 @@
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void print_context_info(void);
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#if MBED_CONF_PLATFORM_CRASH_CAPTURE_ENABLED
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//Global for populating the context in exception handler
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mbed_fault_context_t *const mbed_fault_context=(mbed_fault_context_t *)(FAULT_CONTEXT_LOCATION);
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//Global for populating the context in exception handler
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mbed_fault_context_t *const mbed_fault_context = (mbed_fault_context_t *)(FAULT_CONTEXT_LOCATION);
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#else
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mbed_fault_context_t fault_context;
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mbed_fault_context_t *const mbed_fault_context=(mbed_fault_context_t *)&fault_context;
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mbed_fault_context_t fault_context;
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mbed_fault_context_t *const mbed_fault_context = (mbed_fault_context_t *) &fault_context;
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#endif
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//This is a handler function called from Fault handler to print the error information out.
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//This runs in fault context and uses special functions(defined in mbed_rtx_fault_handler.c) to print the information without using C-lib support.
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void mbed_fault_handler (uint32_t fault_type, void *mbed_fault_context_in)
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void mbed_fault_handler(uint32_t fault_type, void *mbed_fault_context_in)
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{
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mbed_error_status_t faultStatus = MBED_SUCCESS;
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mbed_error_printf("\n++ MbedOS Fault Handler ++\n\nFaultType: ");
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switch( fault_type ) {
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case MEMMANAGE_FAULT_EXCEPTION:
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mbed_error_printf("MemManageFault");
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faultStatus = MBED_ERROR_MEMMANAGE_EXCEPTION;
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break;
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switch (fault_type) {
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case MEMMANAGE_FAULT_EXCEPTION:
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mbed_error_printf("MemManageFault");
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faultStatus = MBED_ERROR_MEMMANAGE_EXCEPTION;
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break;
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case BUS_FAULT_EXCEPTION:
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mbed_error_printf("BusFault");
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faultStatus = MBED_ERROR_BUSFAULT_EXCEPTION;
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break;
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case BUS_FAULT_EXCEPTION:
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mbed_error_printf("BusFault");
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faultStatus = MBED_ERROR_BUSFAULT_EXCEPTION;
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break;
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case USAGE_FAULT_EXCEPTION:
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mbed_error_printf("UsageFault");
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faultStatus = MBED_ERROR_USAGEFAULT_EXCEPTION;
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break;
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case USAGE_FAULT_EXCEPTION:
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mbed_error_printf("UsageFault");
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faultStatus = MBED_ERROR_USAGEFAULT_EXCEPTION;
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break;
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//There is no way we can hit this code without getting an exception, so we have the default treated like hardfault
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case HARD_FAULT_EXCEPTION:
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default:
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mbed_error_printf("HardFault");
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faultStatus = MBED_ERROR_HARDFAULT_EXCEPTION;
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break;
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//There is no way we can hit this code without getting an exception, so we have the default treated like hardfault
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case HARD_FAULT_EXCEPTION:
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default:
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mbed_error_printf("HardFault");
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faultStatus = MBED_ERROR_HARDFAULT_EXCEPTION;
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break;
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}
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mbed_error_printf("\n\nContext:");
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print_context_info();
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@ -76,14 +76,14 @@ void mbed_fault_handler (uint32_t fault_type, void *mbed_fault_context_in)
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mbed_error_printf("\n\n-- MbedOS Fault Handler --\n\n");
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//Now call mbed_error, to log the error and halt the system
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mbed_error( faultStatus, "Fault exception", mbed_fault_context->PC_reg, NULL, 0 );
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mbed_error(faultStatus, "Fault exception", mbed_fault_context->PC_reg, NULL, 0);
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}
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MBED_NOINLINE void print_context_info(void)
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{
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//Context Regs
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for(int i=0;i<13;i++) {
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for (int i = 0; i < 13; i++) {
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mbed_error_printf("\nR%-4d: %08" PRIX32, i, ((uint32_t *)(mbed_fault_context))[i]);
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}
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@ -93,7 +93,7 @@ MBED_NOINLINE void print_context_info(void)
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"\nxPSR : %08" PRIX32
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"\nPSP : %08" PRIX32
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"\nMSP : %08" PRIX32, mbed_fault_context->SP_reg, mbed_fault_context->LR_reg, mbed_fault_context->PC_reg,
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mbed_fault_context->xPSR, mbed_fault_context->PSP, mbed_fault_context->MSP );
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mbed_fault_context->xPSR, mbed_fault_context->PSP, mbed_fault_context->MSP);
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//Capture CPUID to get core/cpu info
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mbed_error_printf("\nCPUID: %08" PRIX32, SCB->CPUID);
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@ -101,12 +101,12 @@ MBED_NOINLINE void print_context_info(void)
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#if !defined(TARGET_M0) && !defined(TARGET_M0P)
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//Capture fault information registers to infer the cause of exception
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mbed_error_printf("\nHFSR : %08" PRIX32
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"\nMMFSR: %08" PRIX32
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"\nBFSR : %08" PRIX32
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"\nUFSR : %08" PRIX32
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"\nDFSR : %08" PRIX32
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"\nAFSR : %08" PRIX32 ////Split/Capture CFSR into MMFSR, BFSR, UFSR
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,SCB->HFSR, (0xFF & SCB->CFSR), ((0xFF00 & SCB->CFSR) >> 8), ((0xFFFF0000 & SCB->CFSR) >> 16), SCB->DFSR, SCB->AFSR );
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"\nMMFSR: %08" PRIX32
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"\nBFSR : %08" PRIX32
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"\nUFSR : %08" PRIX32
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"\nDFSR : %08" PRIX32
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"\nAFSR : %08" PRIX32 ////Split/Capture CFSR into MMFSR, BFSR, UFSR
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, SCB->HFSR, (0xFF & SCB->CFSR), ((0xFF00 & SCB->CFSR) >> 8), ((0xFFFF0000 & SCB->CFSR) >> 16), SCB->DFSR, SCB->AFSR);
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//Print MMFAR only if its valid as indicated by MMFSR
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if ((0xFF & SCB->CFSR) & 0x80) {
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@ -124,7 +124,7 @@ MBED_NOINLINE void print_context_info(void)
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//Print Priv level in Thread mode - We capture CONTROL reg which reflects the privilege.
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//Note that the CONTROL register captured still reflects the privilege status of the
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//thread mode eventhough we are in Handler mode by the time we capture it.
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if(mbed_fault_context->CONTROL & 0x1) {
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if (mbed_fault_context->CONTROL & 0x1) {
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mbed_error_printf("\nPriv : User");
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} else {
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mbed_error_printf("\nPriv : Privileged");
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@ -141,12 +141,13 @@ MBED_NOINLINE void print_context_info(void)
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}
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}
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mbed_error_status_t mbed_get_reboot_fault_context (mbed_fault_context_t *fault_context)
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mbed_error_status_t mbed_get_reboot_fault_context(mbed_fault_context_t *fault_context)
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{
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mbed_error_status_t status = MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_ITEM_NOT_FOUND);
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#if MBED_CONF_PLATFORM_CRASH_CAPTURE_ENABLED
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if(fault_context == NULL)
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if (fault_context == NULL) {
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return MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_INVALID_ARGUMENT);
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}
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memcpy(fault_context, mbed_fault_context, sizeof(mbed_fault_context_t));
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status = MBED_SUCCESS;
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#endif
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@ -25,27 +25,27 @@ extern "C" {
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//WARNING: DO NOT CHANGE THIS STRUCT WITHOUT MAKING CORRESPONDING CHANGES in except.S files.
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//Offset of these registers are used by fault handler in except.S
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typedef struct {
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uint32_t R0_reg;
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uint32_t R1_reg;
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uint32_t R2_reg;
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uint32_t R3_reg;
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uint32_t R4_reg;
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uint32_t R5_reg;
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uint32_t R6_reg;
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uint32_t R7_reg;
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uint32_t R8_reg;
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uint32_t R9_reg;
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uint32_t R10_reg;
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uint32_t R11_reg;
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uint32_t R12_reg;
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uint32_t SP_reg;
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uint32_t LR_reg;
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uint32_t PC_reg;
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uint32_t xPSR;
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uint32_t PSP;
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uint32_t MSP;
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uint32_t EXC_RETURN;
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uint32_t CONTROL;
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uint32_t R0_reg;
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uint32_t R1_reg;
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uint32_t R2_reg;
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uint32_t R3_reg;
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uint32_t R4_reg;
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uint32_t R5_reg;
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uint32_t R6_reg;
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uint32_t R7_reg;
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uint32_t R8_reg;
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uint32_t R9_reg;
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uint32_t R10_reg;
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uint32_t R11_reg;
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uint32_t R12_reg;
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uint32_t SP_reg;
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uint32_t LR_reg;
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uint32_t PC_reg;
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uint32_t xPSR;
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uint32_t PSP;
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uint32_t MSP;
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uint32_t EXC_RETURN;
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uint32_t CONTROL;
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} mbed_fault_context_t;
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//Fault type definitions
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@ -57,7 +57,7 @@ typedef struct {
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//This is a handler function called from Fault handler to print the error information out.
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//This runs in fault context and uses special functions(defined in mbed_fault_handler.c) to print the information without using C-lib support.
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void mbed_fault_handler (uint32_t fault_type, void *mbed_fault_context_in);
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void mbed_fault_handler(uint32_t fault_type, void *mbed_fault_context_in);
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/**
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* Call this function to retrieve the fault context after a fatal exception which triggered a system reboot. The function retrieves the fault context stored in crash-report ram area which is preserved over reboot.
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@ -67,7 +67,7 @@ void mbed_fault_handler (uint32_t fault_type, void *mbed_fault_context_in);
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* MBED_ERROR_ITEM_NOT_FOUND if no reboot context is currently captured by teh system
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*
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*/
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mbed_error_status_t mbed_get_reboot_fault_context (mbed_fault_context_t *fault_context);
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mbed_error_status_t mbed_get_reboot_fault_context(mbed_fault_context_t *fault_context);
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#ifdef __cplusplus
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}
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