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update to acpica-unix2-20131218
acpica-unix2-20130823
PANKOVs restructure
   1 
   2 /******************************************************************************
   3  *
   4  * Module Name: exresnte - AML Interpreter object resolution
   5  *
   6  *****************************************************************************/
   7 
   8 /*
   9  * Copyright (C) 2000 - 2011, Intel Corp.
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions, and the following disclaimer,
  17  *    without modification.
  18  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  19  *    substantially similar to the "NO WARRANTY" disclaimer below
  20  *    ("Disclaimer") and any redistribution must be conditioned upon
  21  *    including a substantially similar Disclaimer requirement for further
  22  *    binary redistribution.
  23  * 3. Neither the names of the above-listed copyright holders nor the names
  24  *    of any contributors may be used to endorse or promote products derived
  25  *    from this software without specific prior written permission.
  26  *
  27  * Alternatively, this software may be distributed under the terms of the
  28  * GNU General Public License ("GPL") version 2 as published by the Free
  29  * Software Foundation.


 118         EntryType  = AcpiNsGetType ((ACPI_HANDLE) Node);
 119         *ObjectPtr = Node;
 120     }
 121 
 122     /*
 123      * Several object types require no further processing:
 124      * 1) Device/Thermal objects don't have a "real" subobject, return the Node
 125      * 2) Method locals and arguments have a pseudo-Node
 126      * 3) 10/2007: Added method type to assist with Package construction.
 127      */
 128     if ((EntryType == ACPI_TYPE_DEVICE)  ||
 129         (EntryType == ACPI_TYPE_THERMAL) ||
 130         (EntryType == ACPI_TYPE_METHOD)  ||
 131         (Node->Flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL)))
 132     {
 133         return_ACPI_STATUS (AE_OK);
 134     }
 135 
 136     if (!SourceDesc)
 137     {
 138         ACPI_ERROR ((AE_INFO, "No object attached to node %p",
 139             Node));
 140         return_ACPI_STATUS (AE_AML_NO_OPERAND);
 141     }
 142 
 143     /*
 144      * Action is based on the type of the Node, which indicates the type
 145      * of the attached object or pointer
 146      */
 147     switch (EntryType)
 148     {
 149     case ACPI_TYPE_PACKAGE:
 150 
 151         if (SourceDesc->Common.Type != ACPI_TYPE_PACKAGE)
 152         {
 153             ACPI_ERROR ((AE_INFO, "Object not a Package, type %s",
 154                 AcpiUtGetObjectTypeName (SourceDesc)));
 155             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 156         }
 157 
 158         Status = AcpiDsGetPackageArguments (SourceDesc);
 159         if (ACPI_SUCCESS (Status))
 160         {
 161             /* Return an additional reference to the object */
 162 
 163             ObjDesc = SourceDesc;
 164             AcpiUtAddReference (ObjDesc);
 165         }
 166         break;
 167 
 168 
 169     case ACPI_TYPE_BUFFER:
 170 
 171         if (SourceDesc->Common.Type != ACPI_TYPE_BUFFER)
 172         {
 173             ACPI_ERROR ((AE_INFO, "Object not a Buffer, type %s",
 174                 AcpiUtGetObjectTypeName (SourceDesc)));
 175             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 176         }
 177 
 178         Status = AcpiDsGetBufferArguments (SourceDesc);
 179         if (ACPI_SUCCESS (Status))
 180         {
 181             /* Return an additional reference to the object */
 182 
 183             ObjDesc = SourceDesc;
 184             AcpiUtAddReference (ObjDesc);
 185         }
 186         break;
 187 
 188 
 189     case ACPI_TYPE_STRING:
 190 
 191         if (SourceDesc->Common.Type != ACPI_TYPE_STRING)
 192         {
 193             ACPI_ERROR ((AE_INFO, "Object not a String, type %s",
 194                 AcpiUtGetObjectTypeName (SourceDesc)));
 195             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 196         }
 197 
 198         /* Return an additional reference to the object */
 199 
 200         ObjDesc = SourceDesc;
 201         AcpiUtAddReference (ObjDesc);
 202         break;
 203 
 204 
 205     case ACPI_TYPE_INTEGER:
 206 
 207         if (SourceDesc->Common.Type != ACPI_TYPE_INTEGER)
 208         {
 209             ACPI_ERROR ((AE_INFO, "Object not a Integer, type %s",
 210                 AcpiUtGetObjectTypeName (SourceDesc)));
 211             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 212         }
 213 
 214         /* Return an additional reference to the object */
 215 
 216         ObjDesc = SourceDesc;
 217         AcpiUtAddReference (ObjDesc);
 218         break;
 219 
 220 
 221     case ACPI_TYPE_BUFFER_FIELD:
 222     case ACPI_TYPE_LOCAL_REGION_FIELD:
 223     case ACPI_TYPE_LOCAL_BANK_FIELD:
 224     case ACPI_TYPE_LOCAL_INDEX_FIELD:
 225 
 226         ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 227             "FieldRead Node=%p SourceDesc=%p Type=%X\n",
 228             Node, SourceDesc, EntryType));
 229 
 230         Status = AcpiExReadDataFromField (WalkState, SourceDesc, &ObjDesc);
 231         break;
 232 
 233     /* For these objects, just return the object attached to the Node */
 234 
 235     case ACPI_TYPE_MUTEX:
 236     case ACPI_TYPE_POWER:
 237     case ACPI_TYPE_PROCESSOR:
 238     case ACPI_TYPE_EVENT:
 239     case ACPI_TYPE_REGION:
 240 
 241         /* Return an additional reference to the object */
 242 
 243         ObjDesc = SourceDesc;
 244         AcpiUtAddReference (ObjDesc);
 245         break;
 246 
 247     /* TYPE_ANY is untyped, and thus there is no object associated with it */
 248 
 249     case ACPI_TYPE_ANY:
 250 
 251         ACPI_ERROR ((AE_INFO,
 252             "Untyped entry %p, no attached object!", Node));
 253 
 254         return_ACPI_STATUS (AE_AML_OPERAND_TYPE);  /* Cannot be AE_TYPE */
 255 
 256 
 257     case ACPI_TYPE_LOCAL_REFERENCE:
 258 
 259         switch (SourceDesc->Reference.Class)
 260         {
 261         case ACPI_REFCLASS_TABLE:   /* This is a DdbHandle */
 262         case ACPI_REFCLASS_REFOF:
 263         case ACPI_REFCLASS_INDEX:
 264 
 265             /* Return an additional reference to the object */
 266 
 267             ObjDesc = SourceDesc;
 268             AcpiUtAddReference (ObjDesc);
 269             break;
 270 
 271         default:

 272             /* No named references are allowed here */
 273 
 274             ACPI_ERROR ((AE_INFO,
 275                 "Unsupported Reference type 0x%X",
 276                 SourceDesc->Reference.Class));
 277 
 278             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 279         }
 280         break;
 281 
 282 
 283     default:
 284 
 285         /* Default case is for unknown types */
 286 
 287         ACPI_ERROR ((AE_INFO,
 288             "Node %p - Unknown object type 0x%X",
 289             Node, EntryType));
 290 
 291         return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 292 
 293     } /* switch (EntryType) */
 294 
 295 
 296     /* Return the object descriptor */
 297 
 298     *ObjectPtr = (void *) ObjDesc;
 299     return_ACPI_STATUS (Status);
 300 }
 301 
 302 

   1 /******************************************************************************
   2  *
   3  * Module Name: exresnte - AML Interpreter object resolution
   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.


 117         EntryType  = AcpiNsGetType ((ACPI_HANDLE) Node);
 118         *ObjectPtr = Node;
 119     }
 120 
 121     /*
 122      * Several object types require no further processing:
 123      * 1) Device/Thermal objects don't have a "real" subobject, return the Node
 124      * 2) Method locals and arguments have a pseudo-Node
 125      * 3) 10/2007: Added method type to assist with Package construction.
 126      */
 127     if ((EntryType == ACPI_TYPE_DEVICE)  ||
 128         (EntryType == ACPI_TYPE_THERMAL) ||
 129         (EntryType == ACPI_TYPE_METHOD)  ||
 130         (Node->Flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL)))
 131     {
 132         return_ACPI_STATUS (AE_OK);
 133     }
 134 
 135     if (!SourceDesc)
 136     {
 137         ACPI_ERROR ((AE_INFO, "No object attached to node [%4.4s] %p",
 138             Node->Name.Ascii, Node));
 139         return_ACPI_STATUS (AE_AML_NO_OPERAND);
 140     }
 141 
 142     /*
 143      * Action is based on the type of the Node, which indicates the type
 144      * of the attached object or pointer
 145      */
 146     switch (EntryType)
 147     {
 148     case ACPI_TYPE_PACKAGE:
 149 
 150         if (SourceDesc->Common.Type != ACPI_TYPE_PACKAGE)
 151         {
 152             ACPI_ERROR ((AE_INFO, "Object not a Package, type %s",
 153                 AcpiUtGetObjectTypeName (SourceDesc)));
 154             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 155         }
 156 
 157         Status = AcpiDsGetPackageArguments (SourceDesc);
 158         if (ACPI_SUCCESS (Status))
 159         {
 160             /* Return an additional reference to the object */
 161 
 162             ObjDesc = SourceDesc;
 163             AcpiUtAddReference (ObjDesc);
 164         }
 165         break;
 166 

 167     case ACPI_TYPE_BUFFER:
 168 
 169         if (SourceDesc->Common.Type != ACPI_TYPE_BUFFER)
 170         {
 171             ACPI_ERROR ((AE_INFO, "Object not a Buffer, type %s",
 172                 AcpiUtGetObjectTypeName (SourceDesc)));
 173             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 174         }
 175 
 176         Status = AcpiDsGetBufferArguments (SourceDesc);
 177         if (ACPI_SUCCESS (Status))
 178         {
 179             /* Return an additional reference to the object */
 180 
 181             ObjDesc = SourceDesc;
 182             AcpiUtAddReference (ObjDesc);
 183         }
 184         break;
 185 

 186     case ACPI_TYPE_STRING:
 187 
 188         if (SourceDesc->Common.Type != ACPI_TYPE_STRING)
 189         {
 190             ACPI_ERROR ((AE_INFO, "Object not a String, type %s",
 191                 AcpiUtGetObjectTypeName (SourceDesc)));
 192             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 193         }
 194 
 195         /* Return an additional reference to the object */
 196 
 197         ObjDesc = SourceDesc;
 198         AcpiUtAddReference (ObjDesc);
 199         break;
 200 

 201     case ACPI_TYPE_INTEGER:
 202 
 203         if (SourceDesc->Common.Type != ACPI_TYPE_INTEGER)
 204         {
 205             ACPI_ERROR ((AE_INFO, "Object not a Integer, type %s",
 206                 AcpiUtGetObjectTypeName (SourceDesc)));
 207             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 208         }
 209 
 210         /* Return an additional reference to the object */
 211 
 212         ObjDesc = SourceDesc;
 213         AcpiUtAddReference (ObjDesc);
 214         break;
 215 

 216     case ACPI_TYPE_BUFFER_FIELD:
 217     case ACPI_TYPE_LOCAL_REGION_FIELD:
 218     case ACPI_TYPE_LOCAL_BANK_FIELD:
 219     case ACPI_TYPE_LOCAL_INDEX_FIELD:
 220 
 221         ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 222             "FieldRead Node=%p SourceDesc=%p Type=%X\n",
 223             Node, SourceDesc, EntryType));
 224 
 225         Status = AcpiExReadDataFromField (WalkState, SourceDesc, &ObjDesc);
 226         break;
 227 
 228     /* For these objects, just return the object attached to the Node */
 229 
 230     case ACPI_TYPE_MUTEX:
 231     case ACPI_TYPE_POWER:
 232     case ACPI_TYPE_PROCESSOR:
 233     case ACPI_TYPE_EVENT:
 234     case ACPI_TYPE_REGION:
 235 
 236         /* Return an additional reference to the object */
 237 
 238         ObjDesc = SourceDesc;
 239         AcpiUtAddReference (ObjDesc);
 240         break;
 241 
 242     /* TYPE_ANY is untyped, and thus there is no object associated with it */
 243 
 244     case ACPI_TYPE_ANY:
 245 
 246         ACPI_ERROR ((AE_INFO,
 247             "Untyped entry %p, no attached object!", Node));
 248 
 249         return_ACPI_STATUS (AE_AML_OPERAND_TYPE);  /* Cannot be AE_TYPE */
 250 

 251     case ACPI_TYPE_LOCAL_REFERENCE:
 252 
 253         switch (SourceDesc->Reference.Class)
 254         {
 255         case ACPI_REFCLASS_TABLE:   /* This is a DdbHandle */
 256         case ACPI_REFCLASS_REFOF:
 257         case ACPI_REFCLASS_INDEX:
 258 
 259             /* Return an additional reference to the object */
 260 
 261             ObjDesc = SourceDesc;
 262             AcpiUtAddReference (ObjDesc);
 263             break;
 264 
 265         default:
 266 
 267             /* No named references are allowed here */
 268 
 269             ACPI_ERROR ((AE_INFO,
 270                 "Unsupported Reference type 0x%X",
 271                 SourceDesc->Reference.Class));
 272 
 273             return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 274         }
 275         break;
 276 

 277     default:
 278 
 279         /* Default case is for unknown types */
 280 
 281         ACPI_ERROR ((AE_INFO,
 282             "Node %p - Unknown object type 0x%X",
 283             Node, EntryType));
 284 
 285         return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 286 
 287     } /* switch (EntryType) */
 288 
 289 
 290     /* Return the object descriptor */
 291 
 292     *ObjectPtr = (void *) ObjDesc;
 293     return_ACPI_STATUS (Status);
 294 }