fx_system_initialize.c
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /*************************************************************************** | ||
| 2 | * Copyright (c) 2024 Microsoft Corporation | ||
| 3 | * Copyright (c) 2026-present Eclipse ThreadX contributors | ||
| 4 | * | ||
| 5 | * This program and the accompanying materials are made available under the | ||
| 6 | * terms of the MIT License which is available at | ||
| 7 | * https://opensource.org/licenses/MIT. | ||
| 8 | * | ||
| 9 | * SPDX-License-Identifier: MIT | ||
| 10 | **************************************************************************/ | ||
| 11 | |||
| 12 | |||
| 13 | /**************************************************************************/ | ||
| 14 | /**************************************************************************/ | ||
| 15 | /** */ | ||
| 16 | /** FileX Component */ | ||
| 17 | /** */ | ||
| 18 | /** System */ | ||
| 19 | /** */ | ||
| 20 | /**************************************************************************/ | ||
| 21 | /**************************************************************************/ | ||
| 22 | |||
| 23 | #define FX_SOURCE_CODE | ||
| 24 | |||
| 25 | |||
| 26 | /* Locate FileX control component data in this file. */ | ||
| 27 | |||
| 28 | #define FX_SYSTEM_INIT | ||
| 29 | |||
| 30 | |||
| 31 | /* Include necessary system files. */ | ||
| 32 | |||
| 33 | #include "fx_api.h" | ||
| 34 | #include "fx_system.h" | ||
| 35 | |||
| 36 | |||
| 37 | /**************************************************************************/ | ||
| 38 | /* */ | ||
| 39 | /* FUNCTION RELEASE */ | ||
| 40 | /* */ | ||
| 41 | /* _fx_system_initialize PORTABLE C */ | ||
| 42 | /* 6.1 */ | ||
| 43 | /* AUTHOR */ | ||
| 44 | /* */ | ||
| 45 | /* William E. Lamie, Microsoft Corporation */ | ||
| 46 | /* */ | ||
| 47 | /* DESCRIPTION */ | ||
| 48 | /* */ | ||
| 49 | /* This function initializes the various control data structures for */ | ||
| 50 | /* the FileX System component. */ | ||
| 51 | /* */ | ||
| 52 | /* INPUT */ | ||
| 53 | /* */ | ||
| 54 | /* None */ | ||
| 55 | /* */ | ||
| 56 | /* OUTPUT */ | ||
| 57 | /* */ | ||
| 58 | /* None */ | ||
| 59 | /* */ | ||
| 60 | /* CALLS */ | ||
| 61 | /* */ | ||
| 62 | /* tx_timer_create Create system timer */ | ||
| 63 | /* */ | ||
| 64 | /* CALLED BY */ | ||
| 65 | /* */ | ||
| 66 | /* Application Initialization */ | ||
| 67 | /* */ | ||
| 68 | /**************************************************************************/ | ||
| 69 | 777 | VOID _fx_system_initialize(VOID) | |
| 70 | { | ||
| 71 | |||
| 72 | /* If trace is enabled, insert this event into the trace buffer. */ | ||
| 73 | FX_TRACE_IN_LINE_INSERT(FX_TRACE_SYSTEM_INITIALIZE, 0, 0, 0, 0, FX_TRACE_INTERNAL_EVENTS, 0, 0) | ||
| 74 | |||
| 75 | /* Initialize the head pointer of the opened media list and the | ||
| 76 | number of opened media. */ | ||
| 77 | 777 | _fx_system_media_opened_ptr = FX_NULL; | |
| 78 | 777 | _fx_system_media_opened_count = 0; | |
| 79 | |||
| 80 | /* Initialize the time and date fields with their default values. */ | ||
| 81 | 777 | _fx_system_date = FX_INITIAL_DATE; | |
| 82 | 777 | _fx_system_time = FX_INITIAL_TIME; | |
| 83 | |||
| 84 | /* Initialize the sector and FAT cache sizes. */ | ||
| 85 | 777 | _fx_system_media_max_sector_cache = FX_MAX_SECTOR_CACHE; | |
| 86 | 777 | _fx_system_media_max_fat_cache = FX_MAX_FAT_CACHE; | |
| 87 | |||
| 88 | /* Create the FileX system timer. This is responsible for updating | ||
| 89 | the specified date and time at the rate specified by | ||
| 90 | FX_UPDATE_RATE_IN_TICKS. Note that the timer is not necessary for | ||
| 91 | regular FileX operation - it is only needed for accurate system | ||
| 92 | date and time stamps on files. */ | ||
| 93 | |||
| 94 | #ifndef FX_NO_TIMER | ||
| 95 | 421 | tx_timer_create(&_fx_system_timer, "FileX System Timer", _fx_system_timer_entry, FX_TIMER_ID, | |
| 96 | FX_UPDATE_RATE_IN_TICKS, FX_UPDATE_RATE_IN_TICKS, TX_AUTO_ACTIVATE); | ||
| 97 | #endif | ||
| 98 | |||
| 99 | #ifndef FX_DISABLE_BUILD_OPTIONS | ||
| 100 | /* Setup the build options variables. */ | ||
| 101 | |||
| 102 | /* Setup the first build options variable. */ | ||
| 103 | if (FX_MAX_LONG_NAME_LEN > 0xFF) | ||
| 104 | { | ||
| 105 | 777 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)0xFF) << 24); | |
| 106 | } | ||
| 107 | else | ||
| 108 | { | ||
| 109 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)(FX_MAX_LONG_NAME_LEN & 0xFF)) << 24); | ||
| 110 | } | ||
| 111 | if (FX_MAX_LAST_NAME_LEN > 0xFF) | ||
| 112 | { | ||
| 113 | 777 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)0xFF) << 16); | |
| 114 | } | ||
| 115 | else | ||
| 116 | { | ||
| 117 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)(FX_MAX_LAST_NAME_LEN & 0xFF)) << 24); | ||
| 118 | } | ||
| 119 | |||
| 120 | #ifdef FX_NO_TIMER | ||
| 121 | 356 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 10); | |
| 122 | #endif | ||
| 123 | #ifdef FX_SINGLE_THREAD | ||
| 124 | 356 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 9); | |
| 125 | #endif | ||
| 126 | #ifdef FX_DONT_UPDATE_OPEN_FILES | ||
| 127 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 8); | ||
| 128 | #endif | ||
| 129 | #ifdef FX_MEDIA_DISABLE_SEARCH_CACHE | ||
| 130 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 7); | ||
| 131 | #endif | ||
| 132 | #ifdef FX_MEDIA_STATISTICS_DISABLE | ||
| 133 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 6); | ||
| 134 | #endif | ||
| 135 | |||
| 136 | #ifdef FX_SINGLE_OPEN_LEGACY | ||
| 137 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 4); | ||
| 138 | #endif | ||
| 139 | #ifdef FX_RENAME_PATH_INHERIT | ||
| 140 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 3); | ||
| 141 | #endif | ||
| 142 | #ifdef FX_NO_LOCAL_PATH | ||
| 143 | 356 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 2); | |
| 144 | #endif | ||
| 145 | #ifdef FX_FAULT_TOLERANT_DATA | ||
| 146 | 534 | _fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 1); | |
| 147 | #endif | ||
| 148 | #ifdef FX_FAULT_TOLERANT | ||
| 149 | 534 | _fx_system_build_options_1 = _fx_system_build_options_1 | ((ULONG)1); | |
| 150 | #endif | ||
| 151 | |||
| 152 | /* Setup the second build options variable. */ | ||
| 153 | if (FX_MAX_SECTOR_CACHE > ((ULONG)0xFFFF)) | ||
| 154 | { | ||
| 155 | _fx_system_build_options_2 = _fx_system_build_options_2 | (((ULONG)0xFFFF) << 16); | ||
| 156 | } | ||
| 157 | else | ||
| 158 | { | ||
| 159 | 777 | _fx_system_build_options_2 = _fx_system_build_options_2 | (((ULONG)FX_MAX_SECTOR_CACHE) << 16); | |
| 160 | } | ||
| 161 | if (FX_FAT_MAP_SIZE > 0xFF) | ||
| 162 | { | ||
| 163 | _fx_system_build_options_2 = _fx_system_build_options_2 | (((ULONG)0xFF) << 8); | ||
| 164 | } | ||
| 165 | else | ||
| 166 | { | ||
| 167 | 777 | _fx_system_build_options_2 = _fx_system_build_options_2 | (((ULONG)FX_FAT_MAP_SIZE) << 8); | |
| 168 | } | ||
| 169 | if (FX_MAX_FAT_CACHE > 0xFF) | ||
| 170 | { | ||
| 171 | _fx_system_build_options_2 = _fx_system_build_options_2 | ((ULONG)0xFF); | ||
| 172 | } | ||
| 173 | else | ||
| 174 | { | ||
| 175 | 777 | _fx_system_build_options_2 = _fx_system_build_options_2 | ((ULONG)FX_MAX_FAT_CACHE); | |
| 176 | } | ||
| 177 | |||
| 178 | /* Setup the third build options variable. */ | ||
| 179 | if (FX_UPDATE_RATE_IN_SECONDS > 0xFF) | ||
| 180 | { | ||
| 181 | _fx_system_build_options_3 = _fx_system_build_options_3 | (((ULONG)0xFF) << 16); | ||
| 182 | } | ||
| 183 | else | ||
| 184 | { | ||
| 185 | 777 | _fx_system_build_options_3 = _fx_system_build_options_3 | (((ULONG)FX_UPDATE_RATE_IN_SECONDS) << 16); | |
| 186 | } | ||
| 187 | if (FX_UPDATE_RATE_IN_TICKS > ((ULONG)0xFFFF)) | ||
| 188 | { | ||
| 189 | _fx_system_build_options_3 = _fx_system_build_options_3 | ((ULONG)0xFFFF); | ||
| 190 | } | ||
| 191 | else | ||
| 192 | { | ||
| 193 | 777 | _fx_system_build_options_3 = _fx_system_build_options_3 | ((ULONG)FX_UPDATE_RATE_IN_TICKS); | |
| 194 | } | ||
| 195 | #endif /* FX_DISABLE_BUILD_OPTIONS */ | ||
| 196 | 777 | } | |
| 197 | |||
| 198 |