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TARGET_KL46Z/TOOLCHAIN_IAR/mbed_fault_handler.h@172:65be27845400, 2019-02-20 (annotated)
- Committer:
- AnnaBridge
- Date:
- Wed Feb 20 20:53:29 2019 +0000
- Revision:
- 172:65be27845400
mbed library release version 165
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AnnaBridge | 172:65be27845400 | 1 | /* mbed Microcontroller Library |
AnnaBridge | 172:65be27845400 | 2 | * Copyright (c) 2006-2018 ARM Limited |
AnnaBridge | 172:65be27845400 | 3 | * |
AnnaBridge | 172:65be27845400 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
AnnaBridge | 172:65be27845400 | 5 | * you may not use this file except in compliance with the License. |
AnnaBridge | 172:65be27845400 | 6 | * You may obtain a copy of the License at |
AnnaBridge | 172:65be27845400 | 7 | * |
AnnaBridge | 172:65be27845400 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
AnnaBridge | 172:65be27845400 | 9 | * |
AnnaBridge | 172:65be27845400 | 10 | * Unless required by applicable law or agreed to in writing, software |
AnnaBridge | 172:65be27845400 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
AnnaBridge | 172:65be27845400 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
AnnaBridge | 172:65be27845400 | 13 | * See the License for the specific language governing permissions and |
AnnaBridge | 172:65be27845400 | 14 | * limitations under the License. |
AnnaBridge | 172:65be27845400 | 15 | */ |
AnnaBridge | 172:65be27845400 | 16 | |
AnnaBridge | 172:65be27845400 | 17 | #ifndef MBED_FAULT_HANDLER_H |
AnnaBridge | 172:65be27845400 | 18 | #define MBED_FAULT_HANDLER_H |
AnnaBridge | 172:65be27845400 | 19 | |
AnnaBridge | 172:65be27845400 | 20 | #ifdef __cplusplus |
AnnaBridge | 172:65be27845400 | 21 | extern "C" { |
AnnaBridge | 172:65be27845400 | 22 | #endif |
AnnaBridge | 172:65be27845400 | 23 | |
AnnaBridge | 172:65be27845400 | 24 | //Fault context struct |
AnnaBridge | 172:65be27845400 | 25 | //WARNING: DO NOT CHANGE THIS STRUCT WITHOUT MAKING CORRESPONDING CHANGES in except.S files. |
AnnaBridge | 172:65be27845400 | 26 | //Offset of these registers are used by fault handler in except.S |
AnnaBridge | 172:65be27845400 | 27 | typedef struct { |
AnnaBridge | 172:65be27845400 | 28 | uint32_t R0_reg; |
AnnaBridge | 172:65be27845400 | 29 | uint32_t R1_reg; |
AnnaBridge | 172:65be27845400 | 30 | uint32_t R2_reg; |
AnnaBridge | 172:65be27845400 | 31 | uint32_t R3_reg; |
AnnaBridge | 172:65be27845400 | 32 | uint32_t R4_reg; |
AnnaBridge | 172:65be27845400 | 33 | uint32_t R5_reg; |
AnnaBridge | 172:65be27845400 | 34 | uint32_t R6_reg; |
AnnaBridge | 172:65be27845400 | 35 | uint32_t R7_reg; |
AnnaBridge | 172:65be27845400 | 36 | uint32_t R8_reg; |
AnnaBridge | 172:65be27845400 | 37 | uint32_t R9_reg; |
AnnaBridge | 172:65be27845400 | 38 | uint32_t R10_reg; |
AnnaBridge | 172:65be27845400 | 39 | uint32_t R11_reg; |
AnnaBridge | 172:65be27845400 | 40 | uint32_t R12_reg; |
AnnaBridge | 172:65be27845400 | 41 | uint32_t SP_reg; |
AnnaBridge | 172:65be27845400 | 42 | uint32_t LR_reg; |
AnnaBridge | 172:65be27845400 | 43 | uint32_t PC_reg; |
AnnaBridge | 172:65be27845400 | 44 | uint32_t xPSR; |
AnnaBridge | 172:65be27845400 | 45 | uint32_t PSP; |
AnnaBridge | 172:65be27845400 | 46 | uint32_t MSP; |
AnnaBridge | 172:65be27845400 | 47 | uint32_t EXC_RETURN; |
AnnaBridge | 172:65be27845400 | 48 | uint32_t CONTROL; |
AnnaBridge | 172:65be27845400 | 49 | } mbed_fault_context_t; |
AnnaBridge | 172:65be27845400 | 50 | |
AnnaBridge | 172:65be27845400 | 51 | //Fault type definitions |
AnnaBridge | 172:65be27845400 | 52 | //WARNING: DO NOT CHANGE THESE VALUES WITHOUT MAKING CORRESPONDING CHANGES in except.S files. |
AnnaBridge | 172:65be27845400 | 53 | #define HARD_FAULT_EXCEPTION (0x10) //Keep some gap between values for any future insertion/expansion |
AnnaBridge | 172:65be27845400 | 54 | #define MEMMANAGE_FAULT_EXCEPTION (0x20) |
AnnaBridge | 172:65be27845400 | 55 | #define BUS_FAULT_EXCEPTION (0x30) |
AnnaBridge | 172:65be27845400 | 56 | #define USAGE_FAULT_EXCEPTION (0x40) |
AnnaBridge | 172:65be27845400 | 57 | |
AnnaBridge | 172:65be27845400 | 58 | //This is a handler function called from Fault handler to print the error information out. |
AnnaBridge | 172:65be27845400 | 59 | //This runs in fault context and uses special functions(defined in mbed_fault_handler.c) to print the information without using C-lib support. |
AnnaBridge | 172:65be27845400 | 60 | void mbed_fault_handler (uint32_t fault_type, void *mbed_fault_context_in); |
AnnaBridge | 172:65be27845400 | 61 | |
AnnaBridge | 172:65be27845400 | 62 | /** |
AnnaBridge | 172:65be27845400 | 63 | * 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. |
AnnaBridge | 172:65be27845400 | 64 | * @param fault_context Pointer to mbed_fault_context_t struct allocated by the caller. This is the mbed_fault_context_t info captured as part of the fatal exception which triggered the reboot. |
AnnaBridge | 172:65be27845400 | 65 | * @return 0 or MBED_SUCCESS on success. |
AnnaBridge | 172:65be27845400 | 66 | * MBED_ERROR_INVALID_ARGUMENT in case of invalid error_info pointer |
AnnaBridge | 172:65be27845400 | 67 | * MBED_ERROR_ITEM_NOT_FOUND if no reboot context is currently captured by teh system |
AnnaBridge | 172:65be27845400 | 68 | * |
AnnaBridge | 172:65be27845400 | 69 | */ |
AnnaBridge | 172:65be27845400 | 70 | mbed_error_status_t mbed_get_reboot_fault_context (mbed_fault_context_t *fault_context); |
AnnaBridge | 172:65be27845400 | 71 | |
AnnaBridge | 172:65be27845400 | 72 | #ifdef __cplusplus |
AnnaBridge | 172:65be27845400 | 73 | } |
AnnaBridge | 172:65be27845400 | 74 | #endif |
AnnaBridge | 172:65be27845400 | 75 | |
AnnaBridge | 172:65be27845400 | 76 | #endif |