update to acpica-unix2-20130927 acpica-unix2-20130823 PANKOVs restructure
1 /****************************************************************************** 2 * 3 * Module Name: utglobal - Global variables for the ACPI subsystem 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2013, Intel Corp. 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 #define __UTGLOBAL_C__ 45 #define EXPORT_ACPI_INTERFACES 46 #define DEFINE_ACPI_GLOBALS 47 48 #include "acpi.h" 49 #include "accommon.h" 50 51 #define _COMPONENT ACPI_UTILITIES 52 ACPI_MODULE_NAME ("utglobal") 53 54 55 /******************************************************************************* 56 * 57 * Static global variable initialization. 58 * 59 ******************************************************************************/ 60 61 /* 62 * We want the debug switches statically initialized so they 63 * are already set when the debugger is entered. 64 */ 65 66 /* Debug switch - level and trace mask */ 67 68 #ifdef ACPI_DEBUG_OUTPUT 69 UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT; 70 #else 71 UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT; 72 #endif 73 74 /* Debug switch - layer (component) mask */ 75 76 UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT; 77 UINT32 AcpiGbl_NestingLevel = 0; 78 79 /* Debugger globals */ 80 81 BOOLEAN AcpiGbl_DbTerminateThreads = FALSE; 82 BOOLEAN AcpiGbl_AbortMethod = FALSE; 83 BOOLEAN AcpiGbl_MethodExecuting = FALSE; 84 85 /* System flags */ 86 87 UINT32 AcpiGbl_StartupFlags = 0; 88 89 /* System starts uninitialized */ 90 91 BOOLEAN AcpiGbl_Shutdown = TRUE; 92 93 const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] = 94 { 95 "\\_S0_", 96 "\\_S1_", 97 "\\_S2_", 98 "\\_S3_", 99 "\\_S4_", 100 "\\_S5_" 101 }; 102 103 const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] = 104 { 105 "_S0W", 106 "_S1W", 107 "_S2W", 108 "_S3W", 109 "_S4W" 110 }; 111 112 const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] = 113 { 114 "_S1D", 115 "_S2D", 116 "_S3D", 117 "_S4D" 118 }; 119 120 121 /******************************************************************************* 122 * 123 * Namespace globals 124 * 125 ******************************************************************************/ 126 127 /* 128 * Predefined ACPI Names (Built-in to the Interpreter) 129 * 130 * NOTES: 131 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run 132 * during the initialization sequence. 133 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to 134 * perform a Notify() operation on it. 09/2010: Changed to type Device. 135 * This still allows notifies, but does not confuse host code that 136 * searches for valid ThermalZone objects. 137 */ 138 const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] = 139 { 140 {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, 141 {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 142 {"_SB_", ACPI_TYPE_DEVICE, NULL}, 143 {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 144 {"_TZ_", ACPI_TYPE_DEVICE, NULL}, 145 {"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL}, 146 {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, 147 {"_GL_", ACPI_TYPE_MUTEX, (char *) 1}, 148 149 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 150 {"_OSI", ACPI_TYPE_METHOD, (char *) 1}, 151 #endif 152 153 /* Table terminator */ 154 155 {NULL, ACPI_TYPE_ANY, NULL} 156 }; 157 158 159 #if (!ACPI_REDUCED_HARDWARE) 160 /****************************************************************************** 161 * 162 * Event and Hardware globals 163 * 164 ******************************************************************************/ 165 166 ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] = 167 { 168 /* Name Parent Register Register Bit Position Register Bit Mask */ 169 170 /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS}, 171 /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS}, 172 /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS}, 173 /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS}, 174 /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS}, 175 /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS}, 176 /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS}, 177 /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS}, 178 179 /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE}, 180 /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 181 /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE}, 182 /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 183 /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE}, 184 /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, 185 186 /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE}, 187 /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD}, 188 /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, 189 /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE, ACPI_BITMASK_SLEEP_TYPE}, 190 /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE}, 191 192 /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE} 193 }; 194 195 196 ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] = 197 { 198 /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE}, 199 /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 200 /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE}, 201 /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 202 /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, 203 }; 204 #endif /* !ACPI_REDUCED_HARDWARE */ 205 206 207 /******************************************************************************* 208 * 209 * FUNCTION: AcpiUtInitGlobals 210 * 211 * PARAMETERS: None 212 * 213 * RETURN: Status 214 * 215 * DESCRIPTION: Initialize ACPICA globals. All globals that require specific 216 * initialization should be initialized here. This allows for 217 * a warm restart. 218 * 219 ******************************************************************************/ 220 221 ACPI_STATUS 222 AcpiUtInitGlobals ( 223 void) 224 { 225 ACPI_STATUS Status; 226 UINT32 i; 227 228 229 ACPI_FUNCTION_TRACE (UtInitGlobals); 230 231 232 /* Create all memory caches */ 233 234 Status = AcpiUtCreateCaches (); 235 if (ACPI_FAILURE (Status)) 236 { 237 return_ACPI_STATUS (Status); 238 } 239 240 /* Address Range lists */ 241 242 for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) 243 { 244 AcpiGbl_AddressRangeList[i] = NULL; 245 } 246 247 /* Mutex locked flags */ 248 249 for (i = 0; i < ACPI_NUM_MUTEX; i++) 250 { 251 AcpiGbl_MutexInfo[i].Mutex = NULL; 252 AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED; 253 AcpiGbl_MutexInfo[i].UseCount = 0; 254 } 255 256 for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) 257 { 258 AcpiGbl_OwnerIdMask[i] = 0; 259 } 260 261 /* Last OwnerID is never valid */ 262 263 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; 264 265 /* Event counters */ 266 267 AcpiMethodCount = 0; 268 AcpiSciCount = 0; 269 AcpiGpeCount = 0; 270 271 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) 272 { 273 AcpiFixedEventCount[i] = 0; 274 } 275 276 #if (!ACPI_REDUCED_HARDWARE) 277 278 /* GPE/SCI support */ 279 280 AcpiGbl_AllGpesInitialized = FALSE; 281 AcpiGbl_GpeXruptListHead = NULL; 282 AcpiGbl_GpeFadtBlocks[0] = NULL; 283 AcpiGbl_GpeFadtBlocks[1] = NULL; 284 AcpiCurrentGpeCount = 0; 285 286 AcpiGbl_GlobalEventHandler = NULL; 287 AcpiGbl_SciHandlerList = NULL; 288 289 #endif /* !ACPI_REDUCED_HARDWARE */ 290 291 /* Global handlers */ 292 293 AcpiGbl_GlobalNotify[0].Handler = NULL; 294 AcpiGbl_GlobalNotify[1].Handler = NULL; 295 AcpiGbl_ExceptionHandler = NULL; 296 AcpiGbl_InitHandler = NULL; 297 AcpiGbl_TableHandler = NULL; 298 AcpiGbl_InterfaceHandler = NULL; 299 300 /* Global Lock support */ 301 302 AcpiGbl_GlobalLockSemaphore = NULL; 303 AcpiGbl_GlobalLockMutex = NULL; 304 AcpiGbl_GlobalLockAcquired = FALSE; 305 AcpiGbl_GlobalLockHandle = 0; 306 AcpiGbl_GlobalLockPresent = FALSE; 307 308 /* Miscellaneous variables */ 309 310 AcpiGbl_DSDT = NULL; 311 AcpiGbl_CmSingleStep = FALSE; 312 AcpiGbl_DbTerminateThreads = FALSE; 313 AcpiGbl_Shutdown = FALSE; 314 AcpiGbl_NsLookupCount = 0; 315 AcpiGbl_PsFindCount = 0; 316 AcpiGbl_AcpiHardwarePresent = TRUE; 317 AcpiGbl_LastOwnerIdIndex = 0; 318 AcpiGbl_NextOwnerIdOffset = 0; 319 AcpiGbl_TraceMethodName = 0; 320 AcpiGbl_TraceDbgLevel = 0; 321 AcpiGbl_TraceDbgLayer = 0; 322 AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING; 323 AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT; 324 AcpiGbl_OsiMutex = NULL; 325 AcpiGbl_RegMethodsExecuted = FALSE; 326 327 /* Hardware oriented */ 328 329 AcpiGbl_EventsInitialized = FALSE; 330 AcpiGbl_SystemAwakeAndRunning = TRUE; 331 332 /* Namespace */ 333 334 AcpiGbl_ModuleCodeList = NULL; 335 AcpiGbl_RootNode = NULL; 336 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME; 337 AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED; 338 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE; 339 AcpiGbl_RootNodeStruct.Parent = NULL; 340 AcpiGbl_RootNodeStruct.Child = NULL; 341 AcpiGbl_RootNodeStruct.Peer = NULL; 342 AcpiGbl_RootNodeStruct.Object = NULL; 343 344 345 #ifdef ACPI_DISASSEMBLER 346 AcpiGbl_ExternalList = NULL; 347 AcpiGbl_NumExternalMethods = 0; 348 AcpiGbl_ResolvedExternalMethods = 0; 349 #endif 350 351 #ifdef ACPI_DEBUG_OUTPUT 352 AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX); 353 #endif 354 355 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 356 AcpiGbl_DisplayFinalMemStats = FALSE; 357 AcpiGbl_DisableMemTracking = FALSE; 358 #endif 359 360 return_ACPI_STATUS (AE_OK); 361 } 362 363 /* Public globals */ 364 365 ACPI_EXPORT_SYMBOL (AcpiGbl_FADT) 366 ACPI_EXPORT_SYMBOL (AcpiDbgLevel) 367 ACPI_EXPORT_SYMBOL (AcpiDbgLayer) 368 ACPI_EXPORT_SYMBOL (AcpiGpeCount) 369 ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount) --- EOF ---