[20f02c6] | 1 | /** |
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[11874561] | 2 | * @file rtems/score/interr.h |
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[3a4ae6c] | 3 | * |
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| 4 | * This include file contains constants and prototypes related |
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[a0ed4ed] | 5 | * to the Internal Error Handler. |
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[baff4da] | 6 | */ |
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| 7 | |
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| 8 | /* |
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[4b72da4] | 9 | * COPYRIGHT (c) 1989-2009. |
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[3a4ae6c] | 10 | * On-Line Applications Research Corporation (OAR). |
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| 11 | * |
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[98e4ebf5] | 12 | * The license and distribution terms for this file may be |
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| 13 | * found in the file LICENSE in this distribution or at |
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[dd687d97] | 14 | * http://www.rtems.com/license/LICENSE. |
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[3a4ae6c] | 15 | */ |
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| 16 | |
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[092f142a] | 17 | #ifndef _RTEMS_SCORE_INTERR_H |
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| 18 | #define _RTEMS_SCORE_INTERR_H |
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[3a4ae6c] | 19 | |
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[25e02d5] | 20 | #include <stdbool.h> |
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| 21 | #include <stdint.h> |
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| 22 | |
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| 23 | #include <rtems/system.h> |
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| 24 | |
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[baff4da] | 25 | /** |
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| 26 | * @defgroup ScoreIntErr Internal Error Handler |
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| 27 | * |
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[d8cd045c] | 28 | * @ingroup Score |
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| 29 | * |
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[6a07436] | 30 | * This handler encapsulates functionality which provides the foundation |
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[baff4da] | 31 | * Semaphore services used in all of the APIs supported by RTEMS. |
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| 32 | */ |
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| 33 | /**@{*/ |
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| 34 | |
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[3a4ae6c] | 35 | #ifdef __cplusplus |
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| 36 | extern "C" { |
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| 37 | #endif |
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| 38 | |
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[baff4da] | 39 | /** |
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[156e91e] | 40 | * @brief This type lists the possible sources from which an error |
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[3a4ae6c] | 41 | * can be reported. |
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| 42 | */ |
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| 43 | typedef enum { |
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| 44 | INTERNAL_ERROR_CORE, |
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[7640525] | 45 | INTERNAL_ERROR_RTEMS_API, |
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[156e91e] | 46 | INTERNAL_ERROR_POSIX_API, |
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| 47 | |
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[608940f] | 48 | /** |
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| 49 | * @brief Fatal source for the block device cache. |
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| 50 | * |
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| 51 | * @see rtems_bdbuf_fatal_code. |
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| 52 | */ |
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| 53 | RTEMS_FATAL_SOURCE_BDBUF, |
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| 54 | |
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[038e2f4a] | 55 | /** |
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| 56 | * @brief Fatal source for application specific errors. |
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| 57 | * |
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| 58 | * The fatal code is application specific. |
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| 59 | */ |
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| 60 | RTEMS_FATAL_SOURCE_APPLICATION, |
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| 61 | |
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[a052181] | 62 | /** |
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| 63 | * @brief Fatal source of exit(). |
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| 64 | * |
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| 65 | * The fatal code is the exit() status code. |
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| 66 | */ |
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| 67 | RTEMS_FATAL_SOURCE_EXIT, |
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| 68 | |
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[9d10cf90] | 69 | /** |
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| 70 | * @brief Fatal source for generic BSP errors. |
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| 71 | * |
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| 72 | * The fatal codes are defined in <bsp/bootcard.h>. Examples are interrupt |
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| 73 | * and exception initialization. |
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| 74 | * |
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| 75 | * @see bsp_generic_fatal_code. |
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| 76 | */ |
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| 77 | RTEMS_FATAL_SOURCE_BSP_GENERIC, |
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| 78 | |
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[b9bc399] | 79 | /** |
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| 80 | * @brief Fatal source for BSP specific errors. |
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| 81 | * |
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| 82 | * The fatal code is BSP specific. |
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| 83 | */ |
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| 84 | RTEMS_FATAL_SOURCE_BSP_SPECIFIC, |
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| 85 | |
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[a0c7aa55] | 86 | /** |
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| 87 | * @brief Fatal source of assert(). |
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| 88 | * |
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| 89 | * The fatal code is the pointer value of the function string. |
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| 90 | */ |
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| 91 | RTEMS_FATAL_SOURCE_ASSERT, |
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| 92 | |
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[a12f7e9] | 93 | /** |
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| 94 | * @brief Fatal source of the stack checker. |
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| 95 | * |
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| 96 | * The fatal code is the object name of the executing task. |
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| 97 | */ |
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| 98 | RTEMS_FATAL_SOURCE_STACK_CHECKER, |
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| 99 | |
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[156e91e] | 100 | /** |
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| 101 | * @brief The last available fatal source. |
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| 102 | * |
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| 103 | * This enum value ensures that the enum type needs at least 32-bits for |
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| 104 | * architectures with short enums. |
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| 105 | */ |
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| 106 | RTEMS_FATAL_SOURCE_LAST = 0xffffffff |
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[3a4ae6c] | 107 | } Internal_errors_Source; |
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| 108 | |
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[6a07436] | 109 | /** |
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[3a4ae6c] | 110 | * A list of errors which are generated internally by the executive core. |
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| 111 | */ |
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| 112 | typedef enum { |
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| 113 | INTERNAL_ERROR_NO_CONFIGURATION_TABLE, |
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| 114 | INTERNAL_ERROR_NO_CPU_TABLE, |
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| 115 | INTERNAL_ERROR_TOO_LITTLE_WORKSPACE, |
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| 116 | INTERNAL_ERROR_WORKSPACE_ALLOCATION, |
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| 117 | INTERNAL_ERROR_INTERRUPT_STACK_TOO_SMALL, |
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| 118 | INTERNAL_ERROR_THREAD_EXITTED, |
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| 119 | INTERNAL_ERROR_INCONSISTENT_MP_INFORMATION, |
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| 120 | INTERNAL_ERROR_INVALID_NODE, |
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| 121 | INTERNAL_ERROR_NO_MPCI, |
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| 122 | INTERNAL_ERROR_BAD_PACKET, |
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| 123 | INTERNAL_ERROR_OUT_OF_PACKETS, |
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| 124 | INTERNAL_ERROR_OUT_OF_GLOBAL_OBJECTS, |
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| 125 | INTERNAL_ERROR_OUT_OF_PROXIES, |
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[a155b3c] | 126 | INTERNAL_ERROR_INVALID_GLOBAL_ID, |
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[5870ac55] | 127 | INTERNAL_ERROR_BAD_STACK_HOOK, |
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[bbbe9413] | 128 | INTERNAL_ERROR_BAD_ATTRIBUTES, |
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[3168deaa] | 129 | INTERNAL_ERROR_IMPLEMENTATION_KEY_CREATE_INCONSISTENCY, |
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[81f5957] | 130 | INTERNAL_ERROR_IMPLEMENTATION_BLOCKING_OPERATION_CANCEL, |
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[eabaf58] | 131 | INTERNAL_ERROR_MUTEX_OBTAIN_FROM_BAD_STATE, |
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[7299818] | 132 | INTERNAL_ERROR_UNLIMITED_AND_MAXIMUM_IS_0, |
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[4b9ddca4] | 133 | INTERNAL_ERROR_SHUTDOWN_WHEN_NOT_UP, |
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| 134 | INTERNAL_ERROR_GXX_KEY_ADD_FAILED, |
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[47a3cd8] | 135 | INTERNAL_ERROR_GXX_MUTEX_INIT_FAILED, |
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[b31a960] | 136 | INTERNAL_ERROR_NO_MEMORY_FOR_HEAP, |
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| 137 | INTERNAL_ERROR_CPU_ISR_INSTALL_VECTOR |
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[3a4ae6c] | 138 | } Internal_errors_Core_list; |
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| 139 | |
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[25e02d5] | 140 | typedef uint32_t Internal_errors_t; |
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| 141 | |
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[6a07436] | 142 | /** |
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[3a4ae6c] | 143 | * This type holds the fatal error information. |
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| 144 | */ |
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| 145 | typedef struct { |
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[6a07436] | 146 | /** This is the source of the error. */ |
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[3a4ae6c] | 147 | Internal_errors_Source the_source; |
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[6a07436] | 148 | /** This indicates if the error is internal of external. */ |
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[484a769] | 149 | bool is_internal; |
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[6a07436] | 150 | /** This is the error code. */ |
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[25e02d5] | 151 | Internal_errors_t the_error; |
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[7d0bdca] | 152 | |
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| 153 | /** |
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| 154 | * @brief The internal error nest level. |
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| 155 | * |
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| 156 | * This helps to detect recursive calls to _Internal_error_Occurred(). |
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| 157 | */ |
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| 158 | uint32_t nest_level; |
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[3a4ae6c] | 159 | } Internal_errors_Information; |
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| 160 | |
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[6a07436] | 161 | /** |
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[3a4ae6c] | 162 | * When a fatal error occurs, the error information is stored here. |
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| 163 | */ |
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[ecf9858] | 164 | extern Internal_errors_Information _Internal_errors_What_happened; |
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[3a4ae6c] | 165 | |
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[4b72da4] | 166 | /** |
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[891d0d96] | 167 | * @brief An internal or fatal error occurred. |
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[3a4ae6c] | 168 | * |
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[891d0d96] | 169 | * This routine is invoked when the application or the executive itself |
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| 170 | * determines that a fatal error has occurred. |
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| 171 | * |
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| 172 | * This function can be called in every system state provided the following |
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| 173 | * conditions are true |
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| 174 | * - the stack pointer is valid, |
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| 175 | * - the code memory is valid, |
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| 176 | * - the read-only data is valid, and |
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| 177 | * - the read-write data is accessible. |
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[3a4ae6c] | 178 | */ |
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[ee081506] | 179 | void _Internal_error_Occurred( |
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[3a4ae6c] | 180 | Internal_errors_Source the_source, |
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[484a769] | 181 | bool is_internal, |
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[25e02d5] | 182 | Internal_errors_t the_error |
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[7d12442c] | 183 | ) RTEMS_COMPILER_NO_RETURN_ATTRIBUTE; |
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[3a4ae6c] | 184 | |
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| 185 | #ifdef __cplusplus |
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| 186 | } |
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| 187 | #endif |
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| 188 | |
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[baff4da] | 189 | /**@}*/ |
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| 190 | |
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[3a4ae6c] | 191 | #endif |
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| 192 | /* end of include file */ |
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