utxfinit.c revision 1.1.1.1.10.3
1 1.1.1.1.10.2 tls /****************************************************************************** 2 1.1.1.1.10.2 tls * 3 1.1.1.1.10.2 tls * Module Name: utxfinit - External interfaces for ACPICA initialization 4 1.1.1.1.10.2 tls * 5 1.1.1.1.10.2 tls *****************************************************************************/ 6 1.1.1.1.10.2 tls 7 1.1.1.1.10.2 tls /* 8 1.1.1.1.10.3 jdolecek * Copyright (C) 2000 - 2017, Intel Corp. 9 1.1.1.1.10.2 tls * All rights reserved. 10 1.1.1.1.10.2 tls * 11 1.1.1.1.10.2 tls * Redistribution and use in source and binary forms, with or without 12 1.1.1.1.10.2 tls * modification, are permitted provided that the following conditions 13 1.1.1.1.10.2 tls * are met: 14 1.1.1.1.10.2 tls * 1. Redistributions of source code must retain the above copyright 15 1.1.1.1.10.2 tls * notice, this list of conditions, and the following disclaimer, 16 1.1.1.1.10.2 tls * without modification. 17 1.1.1.1.10.2 tls * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.1.10.2 tls * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.1.10.2 tls * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.1.10.2 tls * including a substantially similar Disclaimer requirement for further 21 1.1.1.1.10.2 tls * binary redistribution. 22 1.1.1.1.10.2 tls * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.1.10.2 tls * of any contributors may be used to endorse or promote products derived 24 1.1.1.1.10.2 tls * from this software without specific prior written permission. 25 1.1.1.1.10.2 tls * 26 1.1.1.1.10.2 tls * Alternatively, this software may be distributed under the terms of the 27 1.1.1.1.10.2 tls * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.1.10.2 tls * Software Foundation. 29 1.1.1.1.10.2 tls * 30 1.1.1.1.10.2 tls * NO WARRANTY 31 1.1.1.1.10.2 tls * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.1.10.2 tls * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.1.10.2 tls * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.1.10.2 tls * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.1.10.2 tls * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.1.10.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.1.10.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.1.10.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.1.10.2 tls * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.1.10.2 tls * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.1.10.2 tls * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.1.10.2 tls */ 43 1.1.1.1.10.2 tls 44 1.1.1.1.10.2 tls #define EXPORT_ACPI_INTERFACES 45 1.1.1.1.10.2 tls 46 1.1.1.1.10.2 tls #include "acpi.h" 47 1.1.1.1.10.2 tls #include "accommon.h" 48 1.1.1.1.10.2 tls #include "acevents.h" 49 1.1.1.1.10.2 tls #include "acnamesp.h" 50 1.1.1.1.10.2 tls #include "acdebug.h" 51 1.1.1.1.10.2 tls #include "actables.h" 52 1.1.1.1.10.2 tls 53 1.1.1.1.10.2 tls #define _COMPONENT ACPI_UTILITIES 54 1.1.1.1.10.2 tls ACPI_MODULE_NAME ("utxfinit") 55 1.1.1.1.10.2 tls 56 1.1.1.1.10.3 jdolecek /* For AcpiExec only */ 57 1.1.1.1.10.3 jdolecek void 58 1.1.1.1.10.3 jdolecek AeDoObjectOverrides ( 59 1.1.1.1.10.3 jdolecek void); 60 1.1.1.1.10.3 jdolecek 61 1.1.1.1.10.2 tls 62 1.1.1.1.10.2 tls /******************************************************************************* 63 1.1.1.1.10.2 tls * 64 1.1.1.1.10.2 tls * FUNCTION: AcpiInitializeSubsystem 65 1.1.1.1.10.2 tls * 66 1.1.1.1.10.2 tls * PARAMETERS: None 67 1.1.1.1.10.2 tls * 68 1.1.1.1.10.2 tls * RETURN: Status 69 1.1.1.1.10.2 tls * 70 1.1.1.1.10.2 tls * DESCRIPTION: Initializes all global variables. This is the first function 71 1.1.1.1.10.2 tls * called, so any early initialization belongs here. 72 1.1.1.1.10.2 tls * 73 1.1.1.1.10.2 tls ******************************************************************************/ 74 1.1.1.1.10.2 tls 75 1.1.1.1.10.3 jdolecek ACPI_STATUS ACPI_INIT_FUNCTION 76 1.1.1.1.10.2 tls AcpiInitializeSubsystem ( 77 1.1.1.1.10.2 tls void) 78 1.1.1.1.10.2 tls { 79 1.1.1.1.10.2 tls ACPI_STATUS Status; 80 1.1.1.1.10.2 tls 81 1.1.1.1.10.2 tls 82 1.1.1.1.10.2 tls ACPI_FUNCTION_TRACE (AcpiInitializeSubsystem); 83 1.1.1.1.10.2 tls 84 1.1.1.1.10.2 tls 85 1.1.1.1.10.2 tls AcpiGbl_StartupFlags = ACPI_SUBSYSTEM_INITIALIZE; 86 1.1.1.1.10.2 tls ACPI_DEBUG_EXEC (AcpiUtInitStackPtrTrace ()); 87 1.1.1.1.10.2 tls 88 1.1.1.1.10.2 tls /* Initialize the OS-Dependent layer */ 89 1.1.1.1.10.2 tls 90 1.1.1.1.10.2 tls Status = AcpiOsInitialize (); 91 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 92 1.1.1.1.10.2 tls { 93 1.1.1.1.10.2 tls ACPI_EXCEPTION ((AE_INFO, Status, "During OSL initialization")); 94 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 95 1.1.1.1.10.2 tls } 96 1.1.1.1.10.2 tls 97 1.1.1.1.10.2 tls /* Initialize all globals used by the subsystem */ 98 1.1.1.1.10.2 tls 99 1.1.1.1.10.2 tls Status = AcpiUtInitGlobals (); 100 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 101 1.1.1.1.10.2 tls { 102 1.1.1.1.10.2 tls ACPI_EXCEPTION ((AE_INFO, Status, "During initialization of globals")); 103 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 104 1.1.1.1.10.2 tls } 105 1.1.1.1.10.2 tls 106 1.1.1.1.10.2 tls /* Create the default mutex objects */ 107 1.1.1.1.10.2 tls 108 1.1.1.1.10.2 tls Status = AcpiUtMutexInitialize (); 109 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 110 1.1.1.1.10.2 tls { 111 1.1.1.1.10.2 tls ACPI_EXCEPTION ((AE_INFO, Status, "During Global Mutex creation")); 112 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 113 1.1.1.1.10.2 tls } 114 1.1.1.1.10.2 tls 115 1.1.1.1.10.2 tls /* 116 1.1.1.1.10.2 tls * Initialize the namespace manager and 117 1.1.1.1.10.2 tls * the root of the namespace tree 118 1.1.1.1.10.2 tls */ 119 1.1.1.1.10.2 tls Status = AcpiNsRootInitialize (); 120 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 121 1.1.1.1.10.2 tls { 122 1.1.1.1.10.2 tls ACPI_EXCEPTION ((AE_INFO, Status, "During Namespace initialization")); 123 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 124 1.1.1.1.10.2 tls } 125 1.1.1.1.10.2 tls 126 1.1.1.1.10.2 tls /* Initialize the global OSI interfaces list with the static names */ 127 1.1.1.1.10.2 tls 128 1.1.1.1.10.2 tls Status = AcpiUtInitializeInterfaces (); 129 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 130 1.1.1.1.10.2 tls { 131 1.1.1.1.10.2 tls ACPI_EXCEPTION ((AE_INFO, Status, "During OSI interfaces initialization")); 132 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 133 1.1.1.1.10.2 tls } 134 1.1.1.1.10.2 tls 135 1.1.1.1.10.2 tls return_ACPI_STATUS (AE_OK); 136 1.1.1.1.10.2 tls } 137 1.1.1.1.10.2 tls 138 1.1.1.1.10.2 tls ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeSubsystem) 139 1.1.1.1.10.2 tls 140 1.1.1.1.10.2 tls 141 1.1.1.1.10.2 tls /******************************************************************************* 142 1.1.1.1.10.2 tls * 143 1.1.1.1.10.2 tls * FUNCTION: AcpiEnableSubsystem 144 1.1.1.1.10.2 tls * 145 1.1.1.1.10.2 tls * PARAMETERS: Flags - Init/enable Options 146 1.1.1.1.10.2 tls * 147 1.1.1.1.10.2 tls * RETURN: Status 148 1.1.1.1.10.2 tls * 149 1.1.1.1.10.2 tls * DESCRIPTION: Completes the subsystem initialization including hardware. 150 1.1.1.1.10.2 tls * Puts system into ACPI mode if it isn't already. 151 1.1.1.1.10.2 tls * 152 1.1.1.1.10.2 tls ******************************************************************************/ 153 1.1.1.1.10.2 tls 154 1.1.1.1.10.3 jdolecek ACPI_STATUS ACPI_INIT_FUNCTION 155 1.1.1.1.10.2 tls AcpiEnableSubsystem ( 156 1.1.1.1.10.2 tls UINT32 Flags) 157 1.1.1.1.10.2 tls { 158 1.1.1.1.10.2 tls ACPI_STATUS Status = AE_OK; 159 1.1.1.1.10.2 tls 160 1.1.1.1.10.2 tls 161 1.1.1.1.10.2 tls ACPI_FUNCTION_TRACE (AcpiEnableSubsystem); 162 1.1.1.1.10.2 tls 163 1.1.1.1.10.2 tls 164 1.1.1.1.10.3 jdolecek /* 165 1.1.1.1.10.3 jdolecek * The early initialization phase is complete. The namespace is loaded, 166 1.1.1.1.10.3 jdolecek * and we can now support address spaces other than Memory, I/O, and 167 1.1.1.1.10.3 jdolecek * PCI_Config. 168 1.1.1.1.10.3 jdolecek */ 169 1.1.1.1.10.3 jdolecek AcpiGbl_EarlyInitialization = FALSE; 170 1.1.1.1.10.3 jdolecek 171 1.1.1.1.10.2 tls #if (!ACPI_REDUCED_HARDWARE) 172 1.1.1.1.10.2 tls 173 1.1.1.1.10.2 tls /* Enable ACPI mode */ 174 1.1.1.1.10.2 tls 175 1.1.1.1.10.2 tls if (!(Flags & ACPI_NO_ACPI_ENABLE)) 176 1.1.1.1.10.2 tls { 177 1.1.1.1.10.2 tls ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n")); 178 1.1.1.1.10.2 tls 179 1.1.1.1.10.2 tls AcpiGbl_OriginalMode = AcpiHwGetMode(); 180 1.1.1.1.10.2 tls 181 1.1.1.1.10.2 tls Status = AcpiEnable (); 182 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 183 1.1.1.1.10.2 tls { 184 1.1.1.1.10.2 tls ACPI_WARNING ((AE_INFO, "AcpiEnable failed")); 185 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 186 1.1.1.1.10.2 tls } 187 1.1.1.1.10.2 tls } 188 1.1.1.1.10.2 tls 189 1.1.1.1.10.2 tls /* 190 1.1.1.1.10.2 tls * Obtain a permanent mapping for the FACS. This is required for the 191 1.1.1.1.10.2 tls * Global Lock and the Firmware Waking Vector 192 1.1.1.1.10.2 tls */ 193 1.1.1.1.10.3 jdolecek if (!(Flags & ACPI_NO_FACS_INIT)) 194 1.1.1.1.10.2 tls { 195 1.1.1.1.10.3 jdolecek Status = AcpiTbInitializeFacs (); 196 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 197 1.1.1.1.10.2 tls { 198 1.1.1.1.10.3 jdolecek ACPI_WARNING ((AE_INFO, "Could not map the FACS table")); 199 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 200 1.1.1.1.10.2 tls } 201 1.1.1.1.10.2 tls } 202 1.1.1.1.10.2 tls 203 1.1.1.1.10.2 tls /* 204 1.1.1.1.10.2 tls * Initialize ACPI Event handling (Fixed and General Purpose) 205 1.1.1.1.10.2 tls * 206 1.1.1.1.10.2 tls * Note1: We must have the hardware and events initialized before we can 207 1.1.1.1.10.2 tls * execute any control methods safely. Any control method can require 208 1.1.1.1.10.2 tls * ACPI hardware support, so the hardware must be fully initialized before 209 1.1.1.1.10.2 tls * any method execution! 210 1.1.1.1.10.2 tls * 211 1.1.1.1.10.2 tls * Note2: Fixed events are initialized and enabled here. GPEs are 212 1.1.1.1.10.2 tls * initialized, but cannot be enabled until after the hardware is 213 1.1.1.1.10.2 tls * completely initialized (SCI and GlobalLock activated) and the various 214 1.1.1.1.10.2 tls * initialization control methods are run (_REG, _STA, _INI) on the 215 1.1.1.1.10.2 tls * entire namespace. 216 1.1.1.1.10.2 tls */ 217 1.1.1.1.10.2 tls if (!(Flags & ACPI_NO_EVENT_INIT)) 218 1.1.1.1.10.2 tls { 219 1.1.1.1.10.2 tls ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 220 1.1.1.1.10.2 tls "[Init] Initializing ACPI events\n")); 221 1.1.1.1.10.2 tls 222 1.1.1.1.10.2 tls Status = AcpiEvInitializeEvents (); 223 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 224 1.1.1.1.10.2 tls { 225 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 226 1.1.1.1.10.2 tls } 227 1.1.1.1.10.2 tls } 228 1.1.1.1.10.2 tls 229 1.1.1.1.10.2 tls /* 230 1.1.1.1.10.2 tls * Install the SCI handler and Global Lock handler. This completes the 231 1.1.1.1.10.2 tls * hardware initialization. 232 1.1.1.1.10.2 tls */ 233 1.1.1.1.10.2 tls if (!(Flags & ACPI_NO_HANDLER_INIT)) 234 1.1.1.1.10.2 tls { 235 1.1.1.1.10.2 tls ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 236 1.1.1.1.10.2 tls "[Init] Installing SCI/GL handlers\n")); 237 1.1.1.1.10.2 tls 238 1.1.1.1.10.2 tls Status = AcpiEvInstallXruptHandlers (); 239 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 240 1.1.1.1.10.2 tls { 241 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 242 1.1.1.1.10.2 tls } 243 1.1.1.1.10.2 tls } 244 1.1.1.1.10.2 tls 245 1.1.1.1.10.2 tls #endif /* !ACPI_REDUCED_HARDWARE */ 246 1.1.1.1.10.2 tls 247 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 248 1.1.1.1.10.2 tls } 249 1.1.1.1.10.2 tls 250 1.1.1.1.10.2 tls ACPI_EXPORT_SYMBOL_INIT (AcpiEnableSubsystem) 251 1.1.1.1.10.2 tls 252 1.1.1.1.10.2 tls 253 1.1.1.1.10.2 tls /******************************************************************************* 254 1.1.1.1.10.2 tls * 255 1.1.1.1.10.2 tls * FUNCTION: AcpiInitializeObjects 256 1.1.1.1.10.2 tls * 257 1.1.1.1.10.2 tls * PARAMETERS: Flags - Init/enable Options 258 1.1.1.1.10.2 tls * 259 1.1.1.1.10.2 tls * RETURN: Status 260 1.1.1.1.10.2 tls * 261 1.1.1.1.10.2 tls * DESCRIPTION: Completes namespace initialization by initializing device 262 1.1.1.1.10.2 tls * objects and executing AML code for Regions, buffers, etc. 263 1.1.1.1.10.2 tls * 264 1.1.1.1.10.2 tls ******************************************************************************/ 265 1.1.1.1.10.2 tls 266 1.1.1.1.10.3 jdolecek ACPI_STATUS ACPI_INIT_FUNCTION 267 1.1.1.1.10.2 tls AcpiInitializeObjects ( 268 1.1.1.1.10.2 tls UINT32 Flags) 269 1.1.1.1.10.2 tls { 270 1.1.1.1.10.2 tls ACPI_STATUS Status = AE_OK; 271 1.1.1.1.10.2 tls 272 1.1.1.1.10.2 tls 273 1.1.1.1.10.2 tls ACPI_FUNCTION_TRACE (AcpiInitializeObjects); 274 1.1.1.1.10.2 tls 275 1.1.1.1.10.2 tls 276 1.1.1.1.10.3 jdolecek #ifdef ACPI_EXEC_APP 277 1.1.1.1.10.2 tls /* 278 1.1.1.1.10.3 jdolecek * This call implements the "initialization file" option for AcpiExec. 279 1.1.1.1.10.3 jdolecek * This is the precise point that we want to perform the overrides. 280 1.1.1.1.10.2 tls */ 281 1.1.1.1.10.3 jdolecek AeDoObjectOverrides (); 282 1.1.1.1.10.3 jdolecek #endif 283 1.1.1.1.10.2 tls 284 1.1.1.1.10.2 tls /* 285 1.1.1.1.10.2 tls * Execute any module-level code that was detected during the table load 286 1.1.1.1.10.2 tls * phase. Although illegal since ACPI 2.0, there are many machines that 287 1.1.1.1.10.2 tls * contain this type of code. Each block of detected executable AML code 288 1.1.1.1.10.2 tls * outside of any control method is wrapped with a temporary control 289 1.1.1.1.10.2 tls * method object and placed on a global list. The methods on this list 290 1.1.1.1.10.2 tls * are executed below. 291 1.1.1.1.10.3 jdolecek * 292 1.1.1.1.10.3 jdolecek * This case executes the module-level code for all tables only after 293 1.1.1.1.10.3 jdolecek * all of the tables have been loaded. It is a legacy option and is 294 1.1.1.1.10.3 jdolecek * not compatible with other ACPI implementations. See AcpiNsLoadTable. 295 1.1.1.1.10.2 tls */ 296 1.1.1.1.10.3 jdolecek if (!AcpiGbl_ParseTableAsTermList && AcpiGbl_GroupModuleLevelCode) 297 1.1.1.1.10.2 tls { 298 1.1.1.1.10.3 jdolecek AcpiNsExecModuleCodeList (); 299 1.1.1.1.10.2 tls 300 1.1.1.1.10.3 jdolecek /* 301 1.1.1.1.10.3 jdolecek * Initialize the objects that remain uninitialized. This 302 1.1.1.1.10.3 jdolecek * runs the executable AML that may be part of the 303 1.1.1.1.10.3 jdolecek * declaration of these objects: 304 1.1.1.1.10.3 jdolecek * OperationRegions, BufferFields, Buffers, and Packages. 305 1.1.1.1.10.3 jdolecek */ 306 1.1.1.1.10.3 jdolecek if (!(Flags & ACPI_NO_OBJECT_INIT)) 307 1.1.1.1.10.2 tls { 308 1.1.1.1.10.3 jdolecek Status = AcpiNsInitializeObjects (); 309 1.1.1.1.10.3 jdolecek if (ACPI_FAILURE (Status)) 310 1.1.1.1.10.3 jdolecek { 311 1.1.1.1.10.3 jdolecek return_ACPI_STATUS (Status); 312 1.1.1.1.10.3 jdolecek } 313 1.1.1.1.10.2 tls } 314 1.1.1.1.10.2 tls } 315 1.1.1.1.10.2 tls 316 1.1.1.1.10.2 tls /* 317 1.1.1.1.10.3 jdolecek * Initialize all device/region objects in the namespace. This runs 318 1.1.1.1.10.3 jdolecek * the device _STA and _INI methods and region _REG methods. 319 1.1.1.1.10.2 tls */ 320 1.1.1.1.10.3 jdolecek if (!(Flags & (ACPI_NO_DEVICE_INIT | ACPI_NO_ADDRESS_SPACE_INIT))) 321 1.1.1.1.10.2 tls { 322 1.1.1.1.10.3 jdolecek Status = AcpiNsInitializeDevices (Flags); 323 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 324 1.1.1.1.10.2 tls { 325 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 326 1.1.1.1.10.2 tls } 327 1.1.1.1.10.2 tls } 328 1.1.1.1.10.2 tls 329 1.1.1.1.10.2 tls /* 330 1.1.1.1.10.2 tls * Empty the caches (delete the cached objects) on the assumption that 331 1.1.1.1.10.2 tls * the table load filled them up more than they will be at runtime -- 332 1.1.1.1.10.2 tls * thus wasting non-paged memory. 333 1.1.1.1.10.2 tls */ 334 1.1.1.1.10.2 tls Status = AcpiPurgeCachedObjects (); 335 1.1.1.1.10.2 tls 336 1.1.1.1.10.2 tls AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK; 337 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 338 1.1.1.1.10.2 tls } 339 1.1.1.1.10.2 tls 340 1.1.1.1.10.2 tls ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeObjects) 341
Indexes created Fri Oct 03 02:09:57 GMT 2025