excreate.c revision 1.1.1.2.4.2
1 1.1.1.2.4.2 rmind /****************************************************************************** 2 1.1.1.2.4.2 rmind * 3 1.1.1.2.4.2 rmind * Module Name: excreate - Named object creation 4 1.1.1.2.4.2 rmind * 5 1.1.1.2.4.2 rmind *****************************************************************************/ 6 1.1.1.2.4.2 rmind 7 1.1.1.2.4.2 rmind /* 8 1.1.1.2.4.2 rmind * Copyright (C) 2000 - 2011, Intel Corp. 9 1.1.1.2.4.2 rmind * All rights reserved. 10 1.1.1.2.4.2 rmind * 11 1.1.1.2.4.2 rmind * Redistribution and use in source and binary forms, with or without 12 1.1.1.2.4.2 rmind * modification, are permitted provided that the following conditions 13 1.1.1.2.4.2 rmind * are met: 14 1.1.1.2.4.2 rmind * 1. Redistributions of source code must retain the above copyright 15 1.1.1.2.4.2 rmind * notice, this list of conditions, and the following disclaimer, 16 1.1.1.2.4.2 rmind * without modification. 17 1.1.1.2.4.2 rmind * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.2.4.2 rmind * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.2.4.2 rmind * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.2.4.2 rmind * including a substantially similar Disclaimer requirement for further 21 1.1.1.2.4.2 rmind * binary redistribution. 22 1.1.1.2.4.2 rmind * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.2.4.2 rmind * of any contributors may be used to endorse or promote products derived 24 1.1.1.2.4.2 rmind * from this software without specific prior written permission. 25 1.1.1.2.4.2 rmind * 26 1.1.1.2.4.2 rmind * Alternatively, this software may be distributed under the terms of the 27 1.1.1.2.4.2 rmind * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.2.4.2 rmind * Software Foundation. 29 1.1.1.2.4.2 rmind * 30 1.1.1.2.4.2 rmind * NO WARRANTY 31 1.1.1.2.4.2 rmind * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.2.4.2 rmind * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.2.4.2 rmind * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.2.4.2 rmind * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.2.4.2 rmind * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.2.4.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.2.4.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.2.4.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.2.4.2 rmind * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.2.4.2 rmind * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.2.4.2 rmind * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.2.4.2 rmind */ 43 1.1.1.2.4.2 rmind 44 1.1.1.2.4.2 rmind #define __EXCREATE_C__ 45 1.1.1.2.4.2 rmind 46 1.1.1.2.4.2 rmind #include "acpi.h" 47 1.1.1.2.4.2 rmind #include "accommon.h" 48 1.1.1.2.4.2 rmind #include "acinterp.h" 49 1.1.1.2.4.2 rmind #include "amlcode.h" 50 1.1.1.2.4.2 rmind #include "acnamesp.h" 51 1.1.1.2.4.2 rmind 52 1.1.1.2.4.2 rmind 53 1.1.1.2.4.2 rmind #define _COMPONENT ACPI_EXECUTER 54 1.1.1.2.4.2 rmind ACPI_MODULE_NAME ("excreate") 55 1.1.1.2.4.2 rmind 56 1.1.1.2.4.2 rmind 57 1.1.1.2.4.2 rmind #ifndef ACPI_NO_METHOD_EXECUTION 58 1.1.1.2.4.2 rmind /******************************************************************************* 59 1.1.1.2.4.2 rmind * 60 1.1.1.2.4.2 rmind * FUNCTION: AcpiExCreateAlias 61 1.1.1.2.4.2 rmind * 62 1.1.1.2.4.2 rmind * PARAMETERS: WalkState - Current state, contains operands 63 1.1.1.2.4.2 rmind * 64 1.1.1.2.4.2 rmind * RETURN: Status 65 1.1.1.2.4.2 rmind * 66 1.1.1.2.4.2 rmind * DESCRIPTION: Create a new named alias 67 1.1.1.2.4.2 rmind * 68 1.1.1.2.4.2 rmind ******************************************************************************/ 69 1.1.1.2.4.2 rmind 70 1.1.1.2.4.2 rmind ACPI_STATUS 71 1.1.1.2.4.2 rmind AcpiExCreateAlias ( 72 1.1.1.2.4.2 rmind ACPI_WALK_STATE *WalkState) 73 1.1.1.2.4.2 rmind { 74 1.1.1.2.4.2 rmind ACPI_NAMESPACE_NODE *TargetNode; 75 1.1.1.2.4.2 rmind ACPI_NAMESPACE_NODE *AliasNode; 76 1.1.1.2.4.2 rmind ACPI_STATUS Status = AE_OK; 77 1.1.1.2.4.2 rmind 78 1.1.1.2.4.2 rmind 79 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE (ExCreateAlias); 80 1.1.1.2.4.2 rmind 81 1.1.1.2.4.2 rmind 82 1.1.1.2.4.2 rmind /* Get the source/alias operands (both namespace nodes) */ 83 1.1.1.2.4.2 rmind 84 1.1.1.2.4.2 rmind AliasNode = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0]; 85 1.1.1.2.4.2 rmind TargetNode = (ACPI_NAMESPACE_NODE *) WalkState->Operands[1]; 86 1.1.1.2.4.2 rmind 87 1.1.1.2.4.2 rmind if ((TargetNode->Type == ACPI_TYPE_LOCAL_ALIAS) || 88 1.1.1.2.4.2 rmind (TargetNode->Type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) 89 1.1.1.2.4.2 rmind { 90 1.1.1.2.4.2 rmind /* 91 1.1.1.2.4.2 rmind * Dereference an existing alias so that we don't create a chain 92 1.1.1.2.4.2 rmind * of aliases. With this code, we guarantee that an alias is 93 1.1.1.2.4.2 rmind * always exactly one level of indirection away from the 94 1.1.1.2.4.2 rmind * actual aliased name. 95 1.1.1.2.4.2 rmind */ 96 1.1.1.2.4.2 rmind TargetNode = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, TargetNode->Object); 97 1.1.1.2.4.2 rmind } 98 1.1.1.2.4.2 rmind 99 1.1.1.2.4.2 rmind /* 100 1.1.1.2.4.2 rmind * For objects that can never change (i.e., the NS node will 101 1.1.1.2.4.2 rmind * permanently point to the same object), we can simply attach 102 1.1.1.2.4.2 rmind * the object to the new NS node. For other objects (such as 103 1.1.1.2.4.2 rmind * Integers, buffers, etc.), we have to point the Alias node 104 1.1.1.2.4.2 rmind * to the original Node. 105 1.1.1.2.4.2 rmind */ 106 1.1.1.2.4.2 rmind switch (TargetNode->Type) 107 1.1.1.2.4.2 rmind { 108 1.1.1.2.4.2 rmind 109 1.1.1.2.4.2 rmind /* For these types, the sub-object can change dynamically via a Store */ 110 1.1.1.2.4.2 rmind 111 1.1.1.2.4.2 rmind case ACPI_TYPE_INTEGER: 112 1.1.1.2.4.2 rmind case ACPI_TYPE_STRING: 113 1.1.1.2.4.2 rmind case ACPI_TYPE_BUFFER: 114 1.1.1.2.4.2 rmind case ACPI_TYPE_PACKAGE: 115 1.1.1.2.4.2 rmind case ACPI_TYPE_BUFFER_FIELD: 116 1.1.1.2.4.2 rmind 117 1.1.1.2.4.2 rmind /* 118 1.1.1.2.4.2 rmind * These types open a new scope, so we need the NS node in order to access 119 1.1.1.2.4.2 rmind * any children. 120 1.1.1.2.4.2 rmind */ 121 1.1.1.2.4.2 rmind case ACPI_TYPE_DEVICE: 122 1.1.1.2.4.2 rmind case ACPI_TYPE_POWER: 123 1.1.1.2.4.2 rmind case ACPI_TYPE_PROCESSOR: 124 1.1.1.2.4.2 rmind case ACPI_TYPE_THERMAL: 125 1.1.1.2.4.2 rmind case ACPI_TYPE_LOCAL_SCOPE: 126 1.1.1.2.4.2 rmind 127 1.1.1.2.4.2 rmind /* 128 1.1.1.2.4.2 rmind * The new alias has the type ALIAS and points to the original 129 1.1.1.2.4.2 rmind * NS node, not the object itself. 130 1.1.1.2.4.2 rmind */ 131 1.1.1.2.4.2 rmind AliasNode->Type = ACPI_TYPE_LOCAL_ALIAS; 132 1.1.1.2.4.2 rmind AliasNode->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode); 133 1.1.1.2.4.2 rmind break; 134 1.1.1.2.4.2 rmind 135 1.1.1.2.4.2 rmind case ACPI_TYPE_METHOD: 136 1.1.1.2.4.2 rmind 137 1.1.1.2.4.2 rmind /* 138 1.1.1.2.4.2 rmind * Control method aliases need to be differentiated 139 1.1.1.2.4.2 rmind */ 140 1.1.1.2.4.2 rmind AliasNode->Type = ACPI_TYPE_LOCAL_METHOD_ALIAS; 141 1.1.1.2.4.2 rmind AliasNode->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode); 142 1.1.1.2.4.2 rmind break; 143 1.1.1.2.4.2 rmind 144 1.1.1.2.4.2 rmind default: 145 1.1.1.2.4.2 rmind 146 1.1.1.2.4.2 rmind /* Attach the original source object to the new Alias Node */ 147 1.1.1.2.4.2 rmind 148 1.1.1.2.4.2 rmind /* 149 1.1.1.2.4.2 rmind * The new alias assumes the type of the target, and it points 150 1.1.1.2.4.2 rmind * to the same object. The reference count of the object has an 151 1.1.1.2.4.2 rmind * additional reference to prevent deletion out from under either the 152 1.1.1.2.4.2 rmind * target node or the alias Node 153 1.1.1.2.4.2 rmind */ 154 1.1.1.2.4.2 rmind Status = AcpiNsAttachObject (AliasNode, 155 1.1.1.2.4.2 rmind AcpiNsGetAttachedObject (TargetNode), TargetNode->Type); 156 1.1.1.2.4.2 rmind break; 157 1.1.1.2.4.2 rmind } 158 1.1.1.2.4.2 rmind 159 1.1.1.2.4.2 rmind /* Since both operands are Nodes, we don't need to delete them */ 160 1.1.1.2.4.2 rmind 161 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 162 1.1.1.2.4.2 rmind } 163 1.1.1.2.4.2 rmind 164 1.1.1.2.4.2 rmind 165 1.1.1.2.4.2 rmind /******************************************************************************* 166 1.1.1.2.4.2 rmind * 167 1.1.1.2.4.2 rmind * FUNCTION: AcpiExCreateEvent 168 1.1.1.2.4.2 rmind * 169 1.1.1.2.4.2 rmind * PARAMETERS: WalkState - Current state 170 1.1.1.2.4.2 rmind * 171 1.1.1.2.4.2 rmind * RETURN: Status 172 1.1.1.2.4.2 rmind * 173 1.1.1.2.4.2 rmind * DESCRIPTION: Create a new event object 174 1.1.1.2.4.2 rmind * 175 1.1.1.2.4.2 rmind ******************************************************************************/ 176 1.1.1.2.4.2 rmind 177 1.1.1.2.4.2 rmind ACPI_STATUS 178 1.1.1.2.4.2 rmind AcpiExCreateEvent ( 179 1.1.1.2.4.2 rmind ACPI_WALK_STATE *WalkState) 180 1.1.1.2.4.2 rmind { 181 1.1.1.2.4.2 rmind ACPI_STATUS Status; 182 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *ObjDesc; 183 1.1.1.2.4.2 rmind 184 1.1.1.2.4.2 rmind 185 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE (ExCreateEvent); 186 1.1.1.2.4.2 rmind 187 1.1.1.2.4.2 rmind 188 1.1.1.2.4.2 rmind ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_EVENT); 189 1.1.1.2.4.2 rmind if (!ObjDesc) 190 1.1.1.2.4.2 rmind { 191 1.1.1.2.4.2 rmind Status = AE_NO_MEMORY; 192 1.1.1.2.4.2 rmind goto Cleanup; 193 1.1.1.2.4.2 rmind } 194 1.1.1.2.4.2 rmind 195 1.1.1.2.4.2 rmind /* 196 1.1.1.2.4.2 rmind * Create the actual OS semaphore, with zero initial units -- meaning 197 1.1.1.2.4.2 rmind * that the event is created in an unsignalled state 198 1.1.1.2.4.2 rmind */ 199 1.1.1.2.4.2 rmind Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 0, 200 1.1.1.2.4.2 rmind &ObjDesc->Event.OsSemaphore); 201 1.1.1.2.4.2 rmind if (ACPI_FAILURE (Status)) 202 1.1.1.2.4.2 rmind { 203 1.1.1.2.4.2 rmind goto Cleanup; 204 1.1.1.2.4.2 rmind } 205 1.1.1.2.4.2 rmind 206 1.1.1.2.4.2 rmind /* Attach object to the Node */ 207 1.1.1.2.4.2 rmind 208 1.1.1.2.4.2 rmind Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) WalkState->Operands[0], 209 1.1.1.2.4.2 rmind ObjDesc, ACPI_TYPE_EVENT); 210 1.1.1.2.4.2 rmind 211 1.1.1.2.4.2 rmind Cleanup: 212 1.1.1.2.4.2 rmind /* 213 1.1.1.2.4.2 rmind * Remove local reference to the object (on error, will cause deletion 214 1.1.1.2.4.2 rmind * of both object and semaphore if present.) 215 1.1.1.2.4.2 rmind */ 216 1.1.1.2.4.2 rmind AcpiUtRemoveReference (ObjDesc); 217 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 218 1.1.1.2.4.2 rmind } 219 1.1.1.2.4.2 rmind 220 1.1.1.2.4.2 rmind 221 1.1.1.2.4.2 rmind /******************************************************************************* 222 1.1.1.2.4.2 rmind * 223 1.1.1.2.4.2 rmind * FUNCTION: AcpiExCreateMutex 224 1.1.1.2.4.2 rmind * 225 1.1.1.2.4.2 rmind * PARAMETERS: WalkState - Current state 226 1.1.1.2.4.2 rmind * 227 1.1.1.2.4.2 rmind * RETURN: Status 228 1.1.1.2.4.2 rmind * 229 1.1.1.2.4.2 rmind * DESCRIPTION: Create a new mutex object 230 1.1.1.2.4.2 rmind * 231 1.1.1.2.4.2 rmind * Mutex (Name[0], SyncLevel[1]) 232 1.1.1.2.4.2 rmind * 233 1.1.1.2.4.2 rmind ******************************************************************************/ 234 1.1.1.2.4.2 rmind 235 1.1.1.2.4.2 rmind ACPI_STATUS 236 1.1.1.2.4.2 rmind AcpiExCreateMutex ( 237 1.1.1.2.4.2 rmind ACPI_WALK_STATE *WalkState) 238 1.1.1.2.4.2 rmind { 239 1.1.1.2.4.2 rmind ACPI_STATUS Status = AE_OK; 240 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *ObjDesc; 241 1.1.1.2.4.2 rmind 242 1.1.1.2.4.2 rmind 243 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_PTR (ExCreateMutex, ACPI_WALK_OPERANDS); 244 1.1.1.2.4.2 rmind 245 1.1.1.2.4.2 rmind 246 1.1.1.2.4.2 rmind /* Create the new mutex object */ 247 1.1.1.2.4.2 rmind 248 1.1.1.2.4.2 rmind ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_MUTEX); 249 1.1.1.2.4.2 rmind if (!ObjDesc) 250 1.1.1.2.4.2 rmind { 251 1.1.1.2.4.2 rmind Status = AE_NO_MEMORY; 252 1.1.1.2.4.2 rmind goto Cleanup; 253 1.1.1.2.4.2 rmind } 254 1.1.1.2.4.2 rmind 255 1.1.1.2.4.2 rmind /* Create the actual OS Mutex */ 256 1.1.1.2.4.2 rmind 257 1.1.1.2.4.2 rmind Status = AcpiOsCreateMutex (&ObjDesc->Mutex.OsMutex); 258 1.1.1.2.4.2 rmind if (ACPI_FAILURE (Status)) 259 1.1.1.2.4.2 rmind { 260 1.1.1.2.4.2 rmind goto Cleanup; 261 1.1.1.2.4.2 rmind } 262 1.1.1.2.4.2 rmind 263 1.1.1.2.4.2 rmind /* Init object and attach to NS node */ 264 1.1.1.2.4.2 rmind 265 1.1.1.2.4.2 rmind ObjDesc->Mutex.SyncLevel = (UINT8) WalkState->Operands[1]->Integer.Value; 266 1.1.1.2.4.2 rmind ObjDesc->Mutex.Node = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0]; 267 1.1.1.2.4.2 rmind 268 1.1.1.2.4.2 rmind Status = AcpiNsAttachObject (ObjDesc->Mutex.Node, ObjDesc, ACPI_TYPE_MUTEX); 269 1.1.1.2.4.2 rmind 270 1.1.1.2.4.2 rmind 271 1.1.1.2.4.2 rmind Cleanup: 272 1.1.1.2.4.2 rmind /* 273 1.1.1.2.4.2 rmind * Remove local reference to the object (on error, will cause deletion 274 1.1.1.2.4.2 rmind * of both object and semaphore if present.) 275 1.1.1.2.4.2 rmind */ 276 1.1.1.2.4.2 rmind AcpiUtRemoveReference (ObjDesc); 277 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 278 1.1.1.2.4.2 rmind } 279 1.1.1.2.4.2 rmind 280 1.1.1.2.4.2 rmind 281 1.1.1.2.4.2 rmind /******************************************************************************* 282 1.1.1.2.4.2 rmind * 283 1.1.1.2.4.2 rmind * FUNCTION: AcpiExCreateRegion 284 1.1.1.2.4.2 rmind * 285 1.1.1.2.4.2 rmind * PARAMETERS: AmlStart - Pointer to the region declaration AML 286 1.1.1.2.4.2 rmind * AmlLength - Max length of the declaration AML 287 1.1.1.2.4.2 rmind * RegionSpace - SpaceID for the region 288 1.1.1.2.4.2 rmind * WalkState - Current state 289 1.1.1.2.4.2 rmind * 290 1.1.1.2.4.2 rmind * RETURN: Status 291 1.1.1.2.4.2 rmind * 292 1.1.1.2.4.2 rmind * DESCRIPTION: Create a new operation region object 293 1.1.1.2.4.2 rmind * 294 1.1.1.2.4.2 rmind ******************************************************************************/ 295 1.1.1.2.4.2 rmind 296 1.1.1.2.4.2 rmind ACPI_STATUS 297 1.1.1.2.4.2 rmind AcpiExCreateRegion ( 298 1.1.1.2.4.2 rmind UINT8 *AmlStart, 299 1.1.1.2.4.2 rmind UINT32 AmlLength, 300 1.1.1.2.4.2 rmind UINT8 RegionSpace, 301 1.1.1.2.4.2 rmind ACPI_WALK_STATE *WalkState) 302 1.1.1.2.4.2 rmind { 303 1.1.1.2.4.2 rmind ACPI_STATUS Status; 304 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *ObjDesc; 305 1.1.1.2.4.2 rmind ACPI_NAMESPACE_NODE *Node; 306 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *RegionObj2; 307 1.1.1.2.4.2 rmind 308 1.1.1.2.4.2 rmind 309 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE (ExCreateRegion); 310 1.1.1.2.4.2 rmind 311 1.1.1.2.4.2 rmind 312 1.1.1.2.4.2 rmind /* Get the Namespace Node */ 313 1.1.1.2.4.2 rmind 314 1.1.1.2.4.2 rmind Node = WalkState->Op->Common.Node; 315 1.1.1.2.4.2 rmind 316 1.1.1.2.4.2 rmind /* 317 1.1.1.2.4.2 rmind * If the region object is already attached to this node, 318 1.1.1.2.4.2 rmind * just return 319 1.1.1.2.4.2 rmind */ 320 1.1.1.2.4.2 rmind if (AcpiNsGetAttachedObject (Node)) 321 1.1.1.2.4.2 rmind { 322 1.1.1.2.4.2 rmind return_ACPI_STATUS (AE_OK); 323 1.1.1.2.4.2 rmind } 324 1.1.1.2.4.2 rmind 325 1.1.1.2.4.2 rmind /* 326 1.1.1.2.4.2 rmind * Space ID must be one of the predefined IDs, or in the user-defined 327 1.1.1.2.4.2 rmind * range 328 1.1.1.2.4.2 rmind */ 329 1.1.1.2.4.2 rmind if ((RegionSpace >= ACPI_NUM_PREDEFINED_REGIONS) && 330 1.1.1.2.4.2 rmind (RegionSpace < ACPI_USER_REGION_BEGIN)) 331 1.1.1.2.4.2 rmind { 332 1.1.1.2.4.2 rmind ACPI_ERROR ((AE_INFO, "Invalid AddressSpace type 0x%X", RegionSpace)); 333 1.1.1.2.4.2 rmind return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID); 334 1.1.1.2.4.2 rmind } 335 1.1.1.2.4.2 rmind 336 1.1.1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (0x%X)\n", 337 1.1.1.2.4.2 rmind AcpiUtGetRegionName (RegionSpace), RegionSpace)); 338 1.1.1.2.4.2 rmind 339 1.1.1.2.4.2 rmind /* Create the region descriptor */ 340 1.1.1.2.4.2 rmind 341 1.1.1.2.4.2 rmind ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_REGION); 342 1.1.1.2.4.2 rmind if (!ObjDesc) 343 1.1.1.2.4.2 rmind { 344 1.1.1.2.4.2 rmind Status = AE_NO_MEMORY; 345 1.1.1.2.4.2 rmind goto Cleanup; 346 1.1.1.2.4.2 rmind } 347 1.1.1.2.4.2 rmind 348 1.1.1.2.4.2 rmind /* 349 1.1.1.2.4.2 rmind * Remember location in AML stream of address & length 350 1.1.1.2.4.2 rmind * operands since they need to be evaluated at run time. 351 1.1.1.2.4.2 rmind */ 352 1.1.1.2.4.2 rmind RegionObj2 = ObjDesc->Common.NextObject; 353 1.1.1.2.4.2 rmind RegionObj2->Extra.AmlStart = AmlStart; 354 1.1.1.2.4.2 rmind RegionObj2->Extra.AmlLength = AmlLength; 355 1.1.1.2.4.2 rmind 356 1.1.1.2.4.2 rmind /* Init the region from the operands */ 357 1.1.1.2.4.2 rmind 358 1.1.1.2.4.2 rmind ObjDesc->Region.SpaceId = RegionSpace; 359 1.1.1.2.4.2 rmind ObjDesc->Region.Address = 0; 360 1.1.1.2.4.2 rmind ObjDesc->Region.Length = 0; 361 1.1.1.2.4.2 rmind ObjDesc->Region.Node = Node; 362 1.1.1.2.4.2 rmind 363 1.1.1.2.4.2 rmind /* Install the new region object in the parent Node */ 364 1.1.1.2.4.2 rmind 365 1.1.1.2.4.2 rmind Status = AcpiNsAttachObject (Node, ObjDesc, ACPI_TYPE_REGION); 366 1.1.1.2.4.2 rmind 367 1.1.1.2.4.2 rmind 368 1.1.1.2.4.2 rmind Cleanup: 369 1.1.1.2.4.2 rmind 370 1.1.1.2.4.2 rmind /* Remove local reference to the object */ 371 1.1.1.2.4.2 rmind 372 1.1.1.2.4.2 rmind AcpiUtRemoveReference (ObjDesc); 373 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 374 1.1.1.2.4.2 rmind } 375 1.1.1.2.4.2 rmind 376 1.1.1.2.4.2 rmind 377 1.1.1.2.4.2 rmind /******************************************************************************* 378 1.1.1.2.4.2 rmind * 379 1.1.1.2.4.2 rmind * FUNCTION: AcpiExCreateProcessor 380 1.1.1.2.4.2 rmind * 381 1.1.1.2.4.2 rmind * PARAMETERS: WalkState - Current state 382 1.1.1.2.4.2 rmind * 383 1.1.1.2.4.2 rmind * RETURN: Status 384 1.1.1.2.4.2 rmind * 385 1.1.1.2.4.2 rmind * DESCRIPTION: Create a new processor object and populate the fields 386 1.1.1.2.4.2 rmind * 387 1.1.1.2.4.2 rmind * Processor (Name[0], CpuID[1], PblockAddr[2], PblockLength[3]) 388 1.1.1.2.4.2 rmind * 389 1.1.1.2.4.2 rmind ******************************************************************************/ 390 1.1.1.2.4.2 rmind 391 1.1.1.2.4.2 rmind ACPI_STATUS 392 1.1.1.2.4.2 rmind AcpiExCreateProcessor ( 393 1.1.1.2.4.2 rmind ACPI_WALK_STATE *WalkState) 394 1.1.1.2.4.2 rmind { 395 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 396 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *ObjDesc; 397 1.1.1.2.4.2 rmind ACPI_STATUS Status; 398 1.1.1.2.4.2 rmind 399 1.1.1.2.4.2 rmind 400 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_PTR (ExCreateProcessor, WalkState); 401 1.1.1.2.4.2 rmind 402 1.1.1.2.4.2 rmind 403 1.1.1.2.4.2 rmind /* Create the processor object */ 404 1.1.1.2.4.2 rmind 405 1.1.1.2.4.2 rmind ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PROCESSOR); 406 1.1.1.2.4.2 rmind if (!ObjDesc) 407 1.1.1.2.4.2 rmind { 408 1.1.1.2.4.2 rmind return_ACPI_STATUS (AE_NO_MEMORY); 409 1.1.1.2.4.2 rmind } 410 1.1.1.2.4.2 rmind 411 1.1.1.2.4.2 rmind /* Initialize the processor object from the operands */ 412 1.1.1.2.4.2 rmind 413 1.1.1.2.4.2 rmind ObjDesc->Processor.ProcId = (UINT8) Operand[1]->Integer.Value; 414 1.1.1.2.4.2 rmind ObjDesc->Processor.Length = (UINT8) Operand[3]->Integer.Value; 415 1.1.1.2.4.2 rmind ObjDesc->Processor.Address = (ACPI_IO_ADDRESS) Operand[2]->Integer.Value; 416 1.1.1.2.4.2 rmind 417 1.1.1.2.4.2 rmind /* Install the processor object in the parent Node */ 418 1.1.1.2.4.2 rmind 419 1.1.1.2.4.2 rmind Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0], 420 1.1.1.2.4.2 rmind ObjDesc, ACPI_TYPE_PROCESSOR); 421 1.1.1.2.4.2 rmind 422 1.1.1.2.4.2 rmind /* Remove local reference to the object */ 423 1.1.1.2.4.2 rmind 424 1.1.1.2.4.2 rmind AcpiUtRemoveReference (ObjDesc); 425 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 426 1.1.1.2.4.2 rmind } 427 1.1.1.2.4.2 rmind 428 1.1.1.2.4.2 rmind 429 1.1.1.2.4.2 rmind /******************************************************************************* 430 1.1.1.2.4.2 rmind * 431 1.1.1.2.4.2 rmind * FUNCTION: AcpiExCreatePowerResource 432 1.1.1.2.4.2 rmind * 433 1.1.1.2.4.2 rmind * PARAMETERS: WalkState - Current state 434 1.1.1.2.4.2 rmind * 435 1.1.1.2.4.2 rmind * RETURN: Status 436 1.1.1.2.4.2 rmind * 437 1.1.1.2.4.2 rmind * DESCRIPTION: Create a new PowerResource object and populate the fields 438 1.1.1.2.4.2 rmind * 439 1.1.1.2.4.2 rmind * PowerResource (Name[0], SystemLevel[1], ResourceOrder[2]) 440 1.1.1.2.4.2 rmind * 441 1.1.1.2.4.2 rmind ******************************************************************************/ 442 1.1.1.2.4.2 rmind 443 1.1.1.2.4.2 rmind ACPI_STATUS 444 1.1.1.2.4.2 rmind AcpiExCreatePowerResource ( 445 1.1.1.2.4.2 rmind ACPI_WALK_STATE *WalkState) 446 1.1.1.2.4.2 rmind { 447 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 448 1.1.1.2.4.2 rmind ACPI_STATUS Status; 449 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *ObjDesc; 450 1.1.1.2.4.2 rmind 451 1.1.1.2.4.2 rmind 452 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_PTR (ExCreatePowerResource, WalkState); 453 1.1.1.2.4.2 rmind 454 1.1.1.2.4.2 rmind 455 1.1.1.2.4.2 rmind /* Create the power resource object */ 456 1.1.1.2.4.2 rmind 457 1.1.1.2.4.2 rmind ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_POWER); 458 1.1.1.2.4.2 rmind if (!ObjDesc) 459 1.1.1.2.4.2 rmind { 460 1.1.1.2.4.2 rmind return_ACPI_STATUS (AE_NO_MEMORY); 461 1.1.1.2.4.2 rmind } 462 1.1.1.2.4.2 rmind 463 1.1.1.2.4.2 rmind /* Initialize the power object from the operands */ 464 1.1.1.2.4.2 rmind 465 1.1.1.2.4.2 rmind ObjDesc->PowerResource.SystemLevel = (UINT8) Operand[1]->Integer.Value; 466 1.1.1.2.4.2 rmind ObjDesc->PowerResource.ResourceOrder = (UINT16) Operand[2]->Integer.Value; 467 1.1.1.2.4.2 rmind 468 1.1.1.2.4.2 rmind /* Install the power resource object in the parent Node */ 469 1.1.1.2.4.2 rmind 470 1.1.1.2.4.2 rmind Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0], 471 1.1.1.2.4.2 rmind ObjDesc, ACPI_TYPE_POWER); 472 1.1.1.2.4.2 rmind 473 1.1.1.2.4.2 rmind /* Remove local reference to the object */ 474 1.1.1.2.4.2 rmind 475 1.1.1.2.4.2 rmind AcpiUtRemoveReference (ObjDesc); 476 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 477 1.1.1.2.4.2 rmind } 478 1.1.1.2.4.2 rmind #endif 479 1.1.1.2.4.2 rmind 480 1.1.1.2.4.2 rmind 481 1.1.1.2.4.2 rmind /******************************************************************************* 482 1.1.1.2.4.2 rmind * 483 1.1.1.2.4.2 rmind * FUNCTION: AcpiExCreateMethod 484 1.1.1.2.4.2 rmind * 485 1.1.1.2.4.2 rmind * PARAMETERS: AmlStart - First byte of the method's AML 486 1.1.1.2.4.2 rmind * AmlLength - AML byte count for this method 487 1.1.1.2.4.2 rmind * WalkState - Current state 488 1.1.1.2.4.2 rmind * 489 1.1.1.2.4.2 rmind * RETURN: Status 490 1.1.1.2.4.2 rmind * 491 1.1.1.2.4.2 rmind * DESCRIPTION: Create a new method object 492 1.1.1.2.4.2 rmind * 493 1.1.1.2.4.2 rmind ******************************************************************************/ 494 1.1.1.2.4.2 rmind 495 1.1.1.2.4.2 rmind ACPI_STATUS 496 1.1.1.2.4.2 rmind AcpiExCreateMethod ( 497 1.1.1.2.4.2 rmind UINT8 *AmlStart, 498 1.1.1.2.4.2 rmind UINT32 AmlLength, 499 1.1.1.2.4.2 rmind ACPI_WALK_STATE *WalkState) 500 1.1.1.2.4.2 rmind { 501 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 502 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *ObjDesc; 503 1.1.1.2.4.2 rmind ACPI_STATUS Status; 504 1.1.1.2.4.2 rmind UINT8 MethodFlags; 505 1.1.1.2.4.2 rmind 506 1.1.1.2.4.2 rmind 507 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_PTR (ExCreateMethod, WalkState); 508 1.1.1.2.4.2 rmind 509 1.1.1.2.4.2 rmind 510 1.1.1.2.4.2 rmind /* Create a new method object */ 511 1.1.1.2.4.2 rmind 512 1.1.1.2.4.2 rmind ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD); 513 1.1.1.2.4.2 rmind if (!ObjDesc) 514 1.1.1.2.4.2 rmind { 515 1.1.1.2.4.2 rmind Status = AE_NO_MEMORY; 516 1.1.1.2.4.2 rmind goto Exit; 517 1.1.1.2.4.2 rmind } 518 1.1.1.2.4.2 rmind 519 1.1.1.2.4.2 rmind /* Save the method's AML pointer and length */ 520 1.1.1.2.4.2 rmind 521 1.1.1.2.4.2 rmind ObjDesc->Method.AmlStart = AmlStart; 522 1.1.1.2.4.2 rmind ObjDesc->Method.AmlLength = AmlLength; 523 1.1.1.2.4.2 rmind 524 1.1.1.2.4.2 rmind /* 525 1.1.1.2.4.2 rmind * Disassemble the method flags. Split off the ArgCount, Serialized 526 1.1.1.2.4.2 rmind * flag, and SyncLevel for efficiency. 527 1.1.1.2.4.2 rmind */ 528 1.1.1.2.4.2 rmind MethodFlags = (UINT8) Operand[1]->Integer.Value; 529 1.1.1.2.4.2 rmind ObjDesc->Method.ParamCount = (UINT8) (MethodFlags & AML_METHOD_ARG_COUNT); 530 1.1.1.2.4.2 rmind 531 1.1.1.2.4.2 rmind /* 532 1.1.1.2.4.2 rmind * Get the SyncLevel. If method is serialized, a mutex will be 533 1.1.1.2.4.2 rmind * created for this method when it is parsed. 534 1.1.1.2.4.2 rmind */ 535 1.1.1.2.4.2 rmind if (MethodFlags & AML_METHOD_SERIALIZED) 536 1.1.1.2.4.2 rmind { 537 1.1.1.2.4.2 rmind ObjDesc->Method.InfoFlags = ACPI_METHOD_SERIALIZED; 538 1.1.1.2.4.2 rmind 539 1.1.1.2.4.2 rmind /* 540 1.1.1.2.4.2 rmind * ACPI 1.0: SyncLevel = 0 541 1.1.1.2.4.2 rmind * ACPI 2.0: SyncLevel = SyncLevel in method declaration 542 1.1.1.2.4.2 rmind */ 543 1.1.1.2.4.2 rmind ObjDesc->Method.SyncLevel = (UINT8) 544 1.1.1.2.4.2 rmind ((MethodFlags & AML_METHOD_SYNC_LEVEL) >> 4); 545 1.1.1.2.4.2 rmind } 546 1.1.1.2.4.2 rmind 547 1.1.1.2.4.2 rmind /* Attach the new object to the method Node */ 548 1.1.1.2.4.2 rmind 549 1.1.1.2.4.2 rmind Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0], 550 1.1.1.2.4.2 rmind ObjDesc, ACPI_TYPE_METHOD); 551 1.1.1.2.4.2 rmind 552 1.1.1.2.4.2 rmind /* Remove local reference to the object */ 553 1.1.1.2.4.2 rmind 554 1.1.1.2.4.2 rmind AcpiUtRemoveReference (ObjDesc); 555 1.1.1.2.4.2 rmind 556 1.1.1.2.4.2 rmind Exit: 557 1.1.1.2.4.2 rmind /* Remove a reference to the operand */ 558 1.1.1.2.4.2 rmind 559 1.1.1.2.4.2 rmind AcpiUtRemoveReference (Operand[1]); 560 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 561 1.1.1.2.4.2 rmind } 562 1.1.1.2.4.2 rmind 563 1.1.1.2.4.2 rmind 564
Indexes created Fri Oct 03 17:10:05 GMT 2025