| Start/ | End/ | |||
| True | False | - | Line | Source |
| 1 | /****************************************************************************** | |||
| 2 | * | |||
| 3 | * Module Name: utinit - Common ACPI subsystem initialization | |||
| 4 | * | |||
| 5 | *****************************************************************************/ | |||
| 6 | ||||
| 7 | /* | |||
| 8 | * Copyright (C) 2000 - 2006, R. Byron Moore | |||
| 9 | * All rights reserved. | |||
| 10 | * | |||
| 11 | * Redistribution and use in source and binary forms, with or without | |||
| 12 | * modification, are permitted provided that the following conditions | |||
| 13 | * are met: | |||
| 14 | * 1. Redistributions of source code must retain the above copyright | |||
| 15 | * notice, this list of conditions, and the following disclaimer, | |||
| 16 | * without modification. | |||
| 17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |||
| 18 | * substantially similar to the "NO WARRANTY" disclaimer below | |||
| 19 | * ("Disclaimer") and any redistribution must be conditioned upon | |||
| 20 | * including a substantially similar Disclaimer requirement for further | |||
| 21 | * binary redistribution. | |||
| 22 | * 3. Neither the names of the above-listed copyright holders nor the names | |||
| 23 | * of any contributors may be used to endorse or promote products derived | |||
| 24 | * from this software without specific prior written permission. | |||
| 25 | * | |||
| 26 | * Alternatively, this software may be distributed under the terms of the | |||
| 27 | * GNU General Public License ("GPL") version 2 as published by the Free | |||
| 28 | * Software Foundation. | |||
| 29 | * | |||
| 30 | * NO WARRANTY | |||
| 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |||
| 32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |||
| 33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |||
| 34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |||
| 35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||
| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||
| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||
| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |||
| 39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |||
| 40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |||
| 41 | * POSSIBILITY OF SUCH DAMAGES. | |||
| 42 | */ | |||
| 43 | ||||
| 44 | #include <acpi/acpi.h> | |||
| 45 | #include <acpi/acnamesp.h> | |||
| 46 | #include <acpi/acevents.h> | |||
| 47 | ||||
| 48 | #define _COMPONENT ACPI_UTILITIES | |||
| 49 | ACPI_MODULE_NAME("utinit") | |||
| 50 | ||||
| 51 | /* Local prototypes */ | |||
| 52 | static void | |||
| 53 | acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset); | |||
| 54 | ||||
| 55 | static void acpi_ut_terminate(void); | |||
| 56 | ||||
| 57 | /******************************************************************************* | |||
| 58 | * | |||
| 59 | * FUNCTION: acpi_ut_fadt_register_error | |||
| 60 | * | |||
| 61 | * PARAMETERS: register_name - Pointer to string identifying register | |||
| 62 | * Value - Actual register contents value | |||
| 63 | * Offset - Byte offset in the FADT | |||
| 64 | * | |||
| 65 | * RETURN: AE_BAD_VALUE | |||
| 66 | * | |||
| 67 | * DESCRIPTION: Display failure message | |||
| 68 | * | |||
| 69 | ******************************************************************************/ | |||
| 70 | ||||
| 71 | static void | |||
| 0 | 0 | - | 72 | acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset) |
| 73 | { | |||
| 74 | ||||
| 75 | ACPI_WARNING((AE_INFO, | |||
| 76 | "Invalid FADT value %s=%X at offset %X FADT=%p", | |||
| 77 | register_name, value, (u32) offset, acpi_gbl_FADT)); | |||
| 78 | } | |||
| 79 | ||||
| 80 | /****************************************************************************** | |||
| 81 | * | |||
| 82 | * FUNCTION: acpi_ut_validate_fadt | |||
| 83 | * | |||
| 84 | * PARAMETERS: None | |||
| 85 | * | |||
| 86 | * RETURN: Status | |||
| 87 | * | |||
| 88 | * DESCRIPTION: Validate various ACPI registers in the FADT | |||
| 89 | * | |||
| 90 | ******************************************************************************/ | |||
| 91 | ||||
| 6 | 0 | 92 | acpi_status acpi_ut_validate_fadt(void) | |
| 93 | { | |||
| 94 | ||||
| 95 | /* | |||
| 96 | * Verify Fixed ACPI Description Table fields, | |||
| 97 | * but don't abort on any problems, just display error | |||
| 98 | */ | |||
| 0 | 6 | - | 99 | if (acpi_gbl_FADT->pm1_evt_len < 4) { |
| 100 | acpi_ut_fadt_register_error("PM1_EVT_LEN", | |||
| 101 | (u32) acpi_gbl_FADT->pm1_evt_len, | |||
| 102 | ACPI_FADT_OFFSET(pm1_evt_len)); | |||
| 103 | } | |||
| 104 | ||||
| 0 | 6 | - | 105 | if (!acpi_gbl_FADT->pm1_cnt_len) { |
| 106 | acpi_ut_fadt_register_error("PM1_CNT_LEN", 0, | |||
| 107 | ACPI_FADT_OFFSET(pm1_cnt_len)); | |||
| 108 | } | |||
| 109 | ||||
| 0 | 6 | - | 110 | if (!acpi_gbl_FADT->xpm1a_evt_blk.address) { |
| 111 | acpi_ut_fadt_register_error("X_PM1a_EVT_BLK", 0, | |||
| 112 | ACPI_FADT_OFFSET(xpm1a_evt_blk. | |||
| 113 | address)); | |||
| 114 | } | |||
| 115 | ||||
| 0 | 6 | - | 116 | if (!acpi_gbl_FADT->xpm1a_cnt_blk.address) { |
| 117 | acpi_ut_fadt_register_error("X_PM1a_CNT_BLK", 0, | |||
| 118 | ACPI_FADT_OFFSET(xpm1a_cnt_blk. | |||
| 119 | address)); | |||
| 120 | } | |||
| 121 | ||||
| 0 | 6 | - | 122 | if (!acpi_gbl_FADT->xpm_tmr_blk.address) { |
| 123 | acpi_ut_fadt_register_error("X_PM_TMR_BLK", 0, | |||
| 124 | ACPI_FADT_OFFSET(xpm_tmr_blk. | |||
| 125 | address)); | |||
| 126 | } | |||
| 127 | ||||
| 128 | if ((acpi_gbl_FADT->xpm2_cnt_blk.address && | |||
| 0 | 6 | - | 129 | !acpi_gbl_FADT->pm2_cnt_len)) { |
| 0 | - | 129 | (T && T) | |
| 6 | 129 | (T && F) | ||
| 0 | - | 129 | (F && _) | |
| 130 | acpi_ut_fadt_register_error("PM2_CNT_LEN", | |||
| 131 | (u32) acpi_gbl_FADT->pm2_cnt_len, | |||
| 132 | ACPI_FADT_OFFSET(pm2_cnt_len)); | |||
| 133 | } | |||
| 134 | ||||
| 0 | 6 | - | 135 | if (acpi_gbl_FADT->pm_tm_len < 4) { |
| 136 | acpi_ut_fadt_register_error("PM_TM_LEN", | |||
| 137 | (u32) acpi_gbl_FADT->pm_tm_len, | |||
| 138 | ACPI_FADT_OFFSET(pm_tm_len)); | |||
| 139 | } | |||
| 140 | ||||
| 141 | /* Length of GPE blocks must be a multiple of 2 */ | |||
| 142 | ||||
| 143 | if (acpi_gbl_FADT->xgpe0_blk.address && | |||
| 0 | 6 | - | 144 | (acpi_gbl_FADT->gpe0_blk_len & 1)) { |
| 0 | - | 144 | T && (T) | |
| 6 | 144 | T && (F) | ||
| 0 | - | 144 | F && (_) | |
| 145 | acpi_ut_fadt_register_error("(x)GPE0_BLK_LEN", | |||
| 146 | (u32) acpi_gbl_FADT->gpe0_blk_len, | |||
| 147 | ACPI_FADT_OFFSET(gpe0_blk_len)); | |||
| 148 | } | |||
| 149 | ||||
| 150 | if (acpi_gbl_FADT->xgpe1_blk.address && | |||
| 0 | 6 | - | 151 | (acpi_gbl_FADT->gpe1_blk_len & 1)) { |
| 0 | - | 151 | T && (T) | |
| 0 | - | 151 | T && (F) | |
| 6 | 151 | F && (_) | ||
| 152 | acpi_ut_fadt_register_error("(x)GPE1_BLK_LEN", | |||
| 153 | (u32) acpi_gbl_FADT->gpe1_blk_len, | |||
| 154 | ACPI_FADT_OFFSET(gpe1_blk_len)); | |||
| 155 | } | |||
| 156 | ||||
| 6 | 157 | return (AE_OK); | ||
| 158 | } | |||
| 159 | ||||
| 160 | /****************************************************************************** | |||
| 161 | * | |||
| 162 | * FUNCTION: acpi_ut_terminate | |||
| 163 | * | |||
| 164 | * PARAMETERS: none | |||
| 165 | * | |||
| 166 | * RETURN: none | |||
| 167 | * | |||
| 168 | * DESCRIPTION: Free global memory | |||
| 169 | * | |||
| 170 | ******************************************************************************/ | |||
| 171 | ||||
| 0 | 0 | - | 172 | static void acpi_ut_terminate(void) |
| 173 | { | |||
| 174 | struct acpi_gpe_block_info *gpe_block; | |||
| 175 | struct acpi_gpe_block_info *next_gpe_block; | |||
| 176 | struct acpi_gpe_xrupt_info *gpe_xrupt_info; | |||
| 177 | struct acpi_gpe_xrupt_info *next_gpe_xrupt_info; | |||
| 178 | ||||
| 179 | ACPI_FUNCTION_TRACE("ut_terminate"); | |||
| 180 | ||||
| 181 | /* Free global tables, etc. */ | |||
| 182 | /* Free global GPE blocks and related info structures */ | |||
| 183 | ||||
| 184 | gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; | |||
| 0 | 0 | - | 185 | while (gpe_xrupt_info) { |
| 186 | gpe_block = gpe_xrupt_info->gpe_block_list_head; | |||
| 0 | 0 | - | 187 | while (gpe_block) { |
| 188 | next_gpe_block = gpe_block->next; | |||
| 189 | ACPI_MEM_FREE(gpe_block->event_info); | |||
| 190 | ACPI_MEM_FREE(gpe_block->register_info); | |||
| 191 | ACPI_MEM_FREE(gpe_block); | |||
| 192 | ||||
| 193 | gpe_block = next_gpe_block; | |||
| 194 | } | |||
| 195 | next_gpe_xrupt_info = gpe_xrupt_info->next; | |||
| 196 | ACPI_MEM_FREE(gpe_xrupt_info); | |||
| 197 | gpe_xrupt_info = next_gpe_xrupt_info; | |||
| 198 | } | |||
| 199 | ||||
| 0 | - | 200 | return_VOID; | |
| 201 | } | |||
| 202 | ||||
| 203 | /******************************************************************************* | |||
| 204 | * | |||
| 205 | * FUNCTION: acpi_ut_subsystem_shutdown | |||
| 206 | * | |||
| 207 | * PARAMETERS: none | |||
| 208 | * | |||
| 209 | * RETURN: none | |||
| 210 | * | |||
| 211 | * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex | |||
| 212 | * objects here -- because the AML debugger may be still running. | |||
| 213 | * | |||
| 214 | ******************************************************************************/ | |||
| 215 | ||||
| 0 | 0 | - | 216 | void acpi_ut_subsystem_shutdown(void) |
| 217 | { | |||
| 218 | ||||
| 219 | ACPI_FUNCTION_TRACE("ut_subsystem_shutdown"); | |||
| 220 | ||||
| 221 | /* Just exit if subsystem is already shutdown */ | |||
| 222 | ||||
| 0 | 0 | - | 223 | if (acpi_gbl_shutdown) { |
| 224 | ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated")); | |||
| 0 | - | 225 | return_VOID; | |
| 226 | } | |||
| 227 | ||||
| 228 | /* Subsystem appears active, go ahead and shut it down */ | |||
| 229 | ||||
| 230 | acpi_gbl_shutdown = TRUE; | |||
| 231 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); | |||
| 232 | ||||
| 233 | /* Close the acpi_event Handling */ | |||
| 234 | ||||
| 235 | acpi_ev_terminate(); | |||
| 236 | ||||
| 237 | /* Close the Namespace */ | |||
| 238 | ||||
| 239 | acpi_ns_terminate(); | |||
| 240 | ||||
| 241 | /* Close the globals */ | |||
| 242 | ||||
| 243 | acpi_ut_terminate(); | |||
| 244 | ||||
| 245 | /* Purge the local caches */ | |||
| 246 | ||||
| 247 | (void)acpi_ut_delete_caches(); | |||
| 248 | ||||
| 249 | /* Debug only - display leftover memory allocation, if any */ | |||
| 250 | ||||
| 251 | #ifdef ACPI_DBG_TRACK_ALLOCATIONS | |||
| 252 | acpi_ut_dump_allocations(ACPI_UINT32_MAX, NULL); | |||
| 253 | #endif | |||
| 254 | ||||
| 0 | - | 255 | return_VOID; | |
| 256 | } | |||
| ***TER 34% (14/41) of SOURCE FILE utinit.c | ||||