adwalk.c revision 246849
1167802Sjkim/****************************************************************************** 2167802Sjkim * 3167802Sjkim * Module Name: adwalk - Application-level disassembler parse tree walk routines 4167802Sjkim * 5167802Sjkim *****************************************************************************/ 6167802Sjkim 7217365Sjkim/* 8245582Sjkim * Copyright (C) 2000 - 2013, Intel Corp. 9167802Sjkim * All rights reserved. 10167802Sjkim * 11217365Sjkim * Redistribution and use in source and binary forms, with or without 12217365Sjkim * modification, are permitted provided that the following conditions 13217365Sjkim * are met: 14217365Sjkim * 1. Redistributions of source code must retain the above copyright 15217365Sjkim * notice, this list of conditions, and the following disclaimer, 16217365Sjkim * without modification. 17217365Sjkim * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18217365Sjkim * substantially similar to the "NO WARRANTY" disclaimer below 19217365Sjkim * ("Disclaimer") and any redistribution must be conditioned upon 20217365Sjkim * including a substantially similar Disclaimer requirement for further 21217365Sjkim * binary redistribution. 22217365Sjkim * 3. Neither the names of the above-listed copyright holders nor the names 23217365Sjkim * of any contributors may be used to endorse or promote products derived 24217365Sjkim * from this software without specific prior written permission. 25167802Sjkim * 26217365Sjkim * Alternatively, this software may be distributed under the terms of the 27217365Sjkim * GNU General Public License ("GPL") version 2 as published by the Free 28217365Sjkim * Software Foundation. 29167802Sjkim * 30217365Sjkim * NO WARRANTY 31217365Sjkim * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32217365Sjkim * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33217365Sjkim * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34217365Sjkim * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35217365Sjkim * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36217365Sjkim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37217365Sjkim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38217365Sjkim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39217365Sjkim * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40217365Sjkim * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41217365Sjkim * POSSIBILITY OF SUCH DAMAGES. 42217365Sjkim */ 43167802Sjkim 44167802Sjkim 45193529Sjkim#include <contrib/dev/acpica/include/acpi.h> 46193529Sjkim#include <contrib/dev/acpica/include/accommon.h> 47193529Sjkim#include <contrib/dev/acpica/include/acparser.h> 48193529Sjkim#include <contrib/dev/acpica/include/amlcode.h> 49193529Sjkim#include <contrib/dev/acpica/include/acdisasm.h> 50193529Sjkim#include <contrib/dev/acpica/include/acdispat.h> 51193529Sjkim#include <contrib/dev/acpica/include/acnamesp.h> 52193529Sjkim#include <contrib/dev/acpica/include/acapps.h> 53167802Sjkim 54167802Sjkim 55167802Sjkim#define _COMPONENT ACPI_TOOLS 56167802Sjkim ACPI_MODULE_NAME ("adwalk") 57167802Sjkim 58167802Sjkim/* 59167802Sjkim * aslmap - opcode mappings and reserved method names 60167802Sjkim */ 61167802SjkimACPI_OBJECT_TYPE 62167802SjkimAslMapNamedOpcodeToDataType ( 63167802Sjkim UINT16 Opcode); 64167802Sjkim 65167802Sjkim/* Local prototypes */ 66167802Sjkim 67167802Sjkimstatic ACPI_STATUS 68167802SjkimAcpiDmFindOrphanDescending ( 69167802Sjkim ACPI_PARSE_OBJECT *Op, 70167802Sjkim UINT32 Level, 71167802Sjkim void *Context); 72167802Sjkim 73167802Sjkimstatic ACPI_STATUS 74167802SjkimAcpiDmDumpDescending ( 75167802Sjkim ACPI_PARSE_OBJECT *Op, 76167802Sjkim UINT32 Level, 77167802Sjkim void *Context); 78167802Sjkim 79167802Sjkimstatic ACPI_STATUS 80167802SjkimAcpiDmXrefDescendingOp ( 81167802Sjkim ACPI_PARSE_OBJECT *Op, 82167802Sjkim UINT32 Level, 83167802Sjkim void *Context); 84167802Sjkim 85167802Sjkimstatic ACPI_STATUS 86167802SjkimAcpiDmCommonAscendingOp ( 87167802Sjkim ACPI_PARSE_OBJECT *Op, 88167802Sjkim UINT32 Level, 89167802Sjkim void *Context); 90167802Sjkim 91167802Sjkimstatic ACPI_STATUS 92167802SjkimAcpiDmLoadDescendingOp ( 93167802Sjkim ACPI_PARSE_OBJECT *Op, 94167802Sjkim UINT32 Level, 95167802Sjkim void *Context); 96167802Sjkim 97167802Sjkimstatic UINT32 98167802SjkimAcpiDmInspectPossibleArgs ( 99167802Sjkim UINT32 CurrentOpArgCount, 100167802Sjkim UINT32 TargetCount, 101167802Sjkim ACPI_PARSE_OBJECT *Op); 102167802Sjkim 103167802Sjkimstatic ACPI_STATUS 104167802SjkimAcpiDmResourceDescendingOp ( 105167802Sjkim ACPI_PARSE_OBJECT *Op, 106167802Sjkim UINT32 Level, 107167802Sjkim void *Context); 108167802Sjkim 109167802Sjkim 110167802Sjkim/******************************************************************************* 111167802Sjkim * 112167802Sjkim * FUNCTION: AcpiDmDumpTree 113167802Sjkim * 114198237Sjkim * PARAMETERS: Origin - Starting object 115167802Sjkim * 116167802Sjkim * RETURN: None 117167802Sjkim * 118167802Sjkim * DESCRIPTION: Parse tree walk to format and output the nodes 119167802Sjkim * 120167802Sjkim ******************************************************************************/ 121167802Sjkim 122167802Sjkimvoid 123167802SjkimAcpiDmDumpTree ( 124167802Sjkim ACPI_PARSE_OBJECT *Origin) 125167802Sjkim{ 126167802Sjkim ACPI_OP_WALK_INFO Info; 127167802Sjkim 128167802Sjkim 129167802Sjkim if (!Origin) 130167802Sjkim { 131167802Sjkim return; 132167802Sjkim } 133167802Sjkim 134167802Sjkim AcpiOsPrintf ("/*\nAML Parse Tree\n\n"); 135167802Sjkim Info.Flags = 0; 136167802Sjkim Info.Count = 0; 137167802Sjkim Info.Level = 0; 138167802Sjkim Info.WalkState = NULL; 139167802Sjkim AcpiDmWalkParseTree (Origin, AcpiDmDumpDescending, NULL, &Info); 140167802Sjkim AcpiOsPrintf ("*/\n\n"); 141167802Sjkim} 142167802Sjkim 143167802Sjkim 144167802Sjkim/******************************************************************************* 145167802Sjkim * 146167802Sjkim * FUNCTION: AcpiDmFindOrphanMethods 147167802Sjkim * 148198237Sjkim * PARAMETERS: Origin - Starting object 149167802Sjkim * 150167802Sjkim * RETURN: None 151167802Sjkim * 152167802Sjkim * DESCRIPTION: Parse tree walk to find "orphaned" method invocations -- methods 153167802Sjkim * that are not resolved in the namespace 154167802Sjkim * 155167802Sjkim ******************************************************************************/ 156167802Sjkim 157167802Sjkimvoid 158167802SjkimAcpiDmFindOrphanMethods ( 159167802Sjkim ACPI_PARSE_OBJECT *Origin) 160167802Sjkim{ 161167802Sjkim ACPI_OP_WALK_INFO Info; 162167802Sjkim 163167802Sjkim 164167802Sjkim if (!Origin) 165167802Sjkim { 166167802Sjkim return; 167167802Sjkim } 168167802Sjkim 169167802Sjkim Info.Flags = 0; 170167802Sjkim Info.Level = 0; 171167802Sjkim Info.WalkState = NULL; 172167802Sjkim AcpiDmWalkParseTree (Origin, AcpiDmFindOrphanDescending, NULL, &Info); 173167802Sjkim} 174167802Sjkim 175167802Sjkim 176167802Sjkim/******************************************************************************* 177167802Sjkim * 178167802Sjkim * FUNCTION: AcpiDmFinishNamespaceLoad 179167802Sjkim * 180167802Sjkim * PARAMETERS: ParseTreeRoot - Root of the parse tree 181167802Sjkim * NamespaceRoot - Root of the internal namespace 182193529Sjkim * OwnerId - OwnerId of the table to be disassembled 183167802Sjkim * 184167802Sjkim * RETURN: None 185167802Sjkim * 186167802Sjkim * DESCRIPTION: Load all namespace items that are created within control 187167802Sjkim * methods. Used before namespace cross reference 188167802Sjkim * 189167802Sjkim ******************************************************************************/ 190167802Sjkim 191167802Sjkimvoid 192167802SjkimAcpiDmFinishNamespaceLoad ( 193167802Sjkim ACPI_PARSE_OBJECT *ParseTreeRoot, 194193529Sjkim ACPI_NAMESPACE_NODE *NamespaceRoot, 195193529Sjkim ACPI_OWNER_ID OwnerId) 196167802Sjkim{ 197167802Sjkim ACPI_STATUS Status; 198167802Sjkim ACPI_OP_WALK_INFO Info; 199167802Sjkim ACPI_WALK_STATE *WalkState; 200167802Sjkim 201167802Sjkim 202167802Sjkim if (!ParseTreeRoot) 203167802Sjkim { 204167802Sjkim return; 205167802Sjkim } 206167802Sjkim 207167802Sjkim /* Create and initialize a new walk state */ 208167802Sjkim 209193529Sjkim WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL); 210167802Sjkim if (!WalkState) 211167802Sjkim { 212167802Sjkim return; 213167802Sjkim } 214167802Sjkim 215167802Sjkim Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState); 216167802Sjkim if (ACPI_FAILURE (Status)) 217167802Sjkim { 218167802Sjkim return; 219167802Sjkim } 220167802Sjkim 221167802Sjkim Info.Flags = 0; 222167802Sjkim Info.Level = 0; 223167802Sjkim Info.WalkState = WalkState; 224167802Sjkim AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmLoadDescendingOp, 225167802Sjkim AcpiDmCommonAscendingOp, &Info); 226167802Sjkim ACPI_FREE (WalkState); 227167802Sjkim} 228167802Sjkim 229167802Sjkim 230167802Sjkim/******************************************************************************* 231167802Sjkim * 232167802Sjkim * FUNCTION: AcpiDmCrossReferenceNamespace 233167802Sjkim * 234167802Sjkim * PARAMETERS: ParseTreeRoot - Root of the parse tree 235167802Sjkim * NamespaceRoot - Root of the internal namespace 236193529Sjkim * OwnerId - OwnerId of the table to be disassembled 237167802Sjkim * 238167802Sjkim * RETURN: None 239167802Sjkim * 240167802Sjkim * DESCRIPTION: Cross reference the namespace to create externals 241167802Sjkim * 242167802Sjkim ******************************************************************************/ 243167802Sjkim 244167802Sjkimvoid 245167802SjkimAcpiDmCrossReferenceNamespace ( 246167802Sjkim ACPI_PARSE_OBJECT *ParseTreeRoot, 247193529Sjkim ACPI_NAMESPACE_NODE *NamespaceRoot, 248193529Sjkim ACPI_OWNER_ID OwnerId) 249167802Sjkim{ 250167802Sjkim ACPI_STATUS Status; 251167802Sjkim ACPI_OP_WALK_INFO Info; 252167802Sjkim ACPI_WALK_STATE *WalkState; 253167802Sjkim 254167802Sjkim 255167802Sjkim if (!ParseTreeRoot) 256167802Sjkim { 257167802Sjkim return; 258167802Sjkim } 259167802Sjkim 260167802Sjkim /* Create and initialize a new walk state */ 261167802Sjkim 262193529Sjkim WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL); 263167802Sjkim if (!WalkState) 264167802Sjkim { 265167802Sjkim return; 266167802Sjkim } 267167802Sjkim 268167802Sjkim Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState); 269167802Sjkim if (ACPI_FAILURE (Status)) 270167802Sjkim { 271167802Sjkim return; 272167802Sjkim } 273167802Sjkim 274167802Sjkim Info.Flags = 0; 275167802Sjkim Info.Level = 0; 276167802Sjkim Info.WalkState = WalkState; 277167802Sjkim AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmXrefDescendingOp, 278167802Sjkim AcpiDmCommonAscendingOp, &Info); 279167802Sjkim ACPI_FREE (WalkState); 280167802Sjkim} 281167802Sjkim 282167802Sjkim 283167802Sjkim/******************************************************************************* 284167802Sjkim * 285167802Sjkim * FUNCTION: AcpiDmConvertResourceIndexes 286167802Sjkim * 287167802Sjkim * PARAMETERS: ParseTreeRoot - Root of the parse tree 288167802Sjkim * NamespaceRoot - Root of the internal namespace 289167802Sjkim * 290167802Sjkim * RETURN: None 291167802Sjkim * 292167802Sjkim * DESCRIPTION: Convert fixed-offset references to resource descriptors to 293167802Sjkim * symbolic references. Should only be called after namespace has 294167802Sjkim * been cross referenced. 295167802Sjkim * 296167802Sjkim ******************************************************************************/ 297167802Sjkim 298167802Sjkimvoid 299167802SjkimAcpiDmConvertResourceIndexes ( 300167802Sjkim ACPI_PARSE_OBJECT *ParseTreeRoot, 301167802Sjkim ACPI_NAMESPACE_NODE *NamespaceRoot) 302167802Sjkim{ 303167802Sjkim ACPI_STATUS Status; 304167802Sjkim ACPI_OP_WALK_INFO Info; 305167802Sjkim ACPI_WALK_STATE *WalkState; 306167802Sjkim 307167802Sjkim 308167802Sjkim if (!ParseTreeRoot) 309167802Sjkim { 310167802Sjkim return; 311167802Sjkim } 312167802Sjkim 313167802Sjkim /* Create and initialize a new walk state */ 314167802Sjkim 315167802Sjkim WalkState = AcpiDsCreateWalkState (0, ParseTreeRoot, NULL, NULL); 316167802Sjkim if (!WalkState) 317167802Sjkim { 318167802Sjkim return; 319167802Sjkim } 320167802Sjkim 321167802Sjkim Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState); 322167802Sjkim if (ACPI_FAILURE (Status)) 323167802Sjkim { 324167802Sjkim return; 325167802Sjkim } 326167802Sjkim 327167802Sjkim Info.Flags = 0; 328167802Sjkim Info.Level = 0; 329167802Sjkim Info.WalkState = WalkState; 330167802Sjkim AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmResourceDescendingOp, 331167802Sjkim AcpiDmCommonAscendingOp, &Info); 332167802Sjkim ACPI_FREE (WalkState); 333167802Sjkim return; 334167802Sjkim} 335167802Sjkim 336167802Sjkim 337167802Sjkim/******************************************************************************* 338167802Sjkim * 339167802Sjkim * FUNCTION: AcpiDmDumpDescending 340167802Sjkim * 341167802Sjkim * PARAMETERS: ASL_WALK_CALLBACK 342167802Sjkim * 343167802Sjkim * RETURN: Status 344167802Sjkim * 345167802Sjkim * DESCRIPTION: Format and print contents of one parse Op. 346167802Sjkim * 347167802Sjkim ******************************************************************************/ 348167802Sjkim 349167802Sjkimstatic ACPI_STATUS 350167802SjkimAcpiDmDumpDescending ( 351167802Sjkim ACPI_PARSE_OBJECT *Op, 352167802Sjkim UINT32 Level, 353167802Sjkim void *Context) 354167802Sjkim{ 355167802Sjkim ACPI_OP_WALK_INFO *Info = Context; 356167802Sjkim char *Path; 357167802Sjkim 358167802Sjkim 359167802Sjkim if (!Op) 360167802Sjkim { 361167802Sjkim return (AE_OK); 362167802Sjkim } 363167802Sjkim 364167802Sjkim /* Most of the information (count, level, name) here */ 365167802Sjkim 366198237Sjkim Info->Count++; 367167802Sjkim AcpiOsPrintf ("% 5d [%2.2d] ", Info->Count, Level); 368167802Sjkim AcpiDmIndent (Level); 369167802Sjkim AcpiOsPrintf ("%-28s", AcpiPsGetOpcodeName (Op->Common.AmlOpcode)); 370167802Sjkim 371167802Sjkim /* Extra info is helpful */ 372167802Sjkim 373167802Sjkim switch (Op->Common.AmlOpcode) 374167802Sjkim { 375167802Sjkim case AML_BYTE_OP: 376167802Sjkim case AML_WORD_OP: 377167802Sjkim case AML_DWORD_OP: 378167802Sjkim AcpiOsPrintf ("%X", (UINT32) Op->Common.Value.Integer); 379167802Sjkim break; 380167802Sjkim 381228110Sjkim case AML_QWORD_OP: 382228110Sjkim AcpiOsPrintf ("%8.8X%8.8X", ACPI_FORMAT_UINT64 (Op->Common.Value.Integer)); 383228110Sjkim break; 384228110Sjkim 385167802Sjkim case AML_INT_NAMEPATH_OP: 386167802Sjkim if (Op->Common.Value.String) 387167802Sjkim { 388167802Sjkim AcpiNsExternalizeName (ACPI_UINT32_MAX, Op->Common.Value.String, 389167802Sjkim NULL, &Path); 390167802Sjkim AcpiOsPrintf ("%s %p", Path, Op->Common.Node); 391167802Sjkim ACPI_FREE (Path); 392167802Sjkim } 393167802Sjkim else 394167802Sjkim { 395167802Sjkim AcpiOsPrintf ("[NULL]"); 396167802Sjkim } 397167802Sjkim break; 398167802Sjkim 399167802Sjkim case AML_NAME_OP: 400167802Sjkim case AML_METHOD_OP: 401167802Sjkim case AML_DEVICE_OP: 402167802Sjkim case AML_INT_NAMEDFIELD_OP: 403198237Sjkim AcpiOsPrintf ("%4.4s", ACPI_CAST_PTR (char, &Op->Named.Name)); 404167802Sjkim break; 405193529Sjkim 406193529Sjkim default: 407193529Sjkim break; 408167802Sjkim } 409167802Sjkim 410167802Sjkim AcpiOsPrintf ("\n"); 411167802Sjkim return (AE_OK); 412167802Sjkim} 413167802Sjkim 414167802Sjkim 415167802Sjkim/******************************************************************************* 416167802Sjkim * 417167802Sjkim * FUNCTION: AcpiDmFindOrphanDescending 418167802Sjkim * 419167802Sjkim * PARAMETERS: ASL_WALK_CALLBACK 420167802Sjkim * 421167802Sjkim * RETURN: Status 422167802Sjkim * 423167802Sjkim * DESCRIPTION: Check namepath Ops for orphaned method invocations 424167802Sjkim * 425167802Sjkim * Note: Experimental. 426167802Sjkim * 427167802Sjkim ******************************************************************************/ 428167802Sjkim 429167802Sjkimstatic ACPI_STATUS 430167802SjkimAcpiDmFindOrphanDescending ( 431167802Sjkim ACPI_PARSE_OBJECT *Op, 432167802Sjkim UINT32 Level, 433167802Sjkim void *Context) 434167802Sjkim{ 435167802Sjkim const ACPI_OPCODE_INFO *OpInfo; 436167802Sjkim ACPI_PARSE_OBJECT *ChildOp; 437167802Sjkim ACPI_PARSE_OBJECT *NextOp; 438167802Sjkim ACPI_PARSE_OBJECT *ParentOp; 439167802Sjkim UINT32 ArgCount; 440167802Sjkim 441167802Sjkim 442167802Sjkim if (!Op) 443167802Sjkim { 444167802Sjkim return (AE_OK); 445167802Sjkim } 446167802Sjkim 447167802Sjkim OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 448167802Sjkim 449167802Sjkim switch (Op->Common.AmlOpcode) 450167802Sjkim { 451167802Sjkim#ifdef ACPI_UNDER_DEVELOPMENT 452167802Sjkim case AML_ADD_OP: 453167802Sjkim ChildOp = Op->Common.Value.Arg; 454167802Sjkim if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) && 455167802Sjkim !ChildOp->Common.Node) 456167802Sjkim { 457167802Sjkim AcpiNsExternalizeName (ACPI_UINT32_MAX, ChildOp->Common.Value.String, 458167802Sjkim NULL, &Path); 459167802Sjkim AcpiOsPrintf ("/* %-16s A-NAMEPATH: %s */\n", Op->Common.AmlOpName, Path); 460167802Sjkim ACPI_FREE (Path); 461167802Sjkim 462167802Sjkim NextOp = Op->Common.Next; 463167802Sjkim if (!NextOp) 464167802Sjkim { 465167802Sjkim /* This NamePath has no args, assume it is an integer */ 466167802Sjkim 467198237Sjkim AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0); 468167802Sjkim return (AE_OK); 469167802Sjkim } 470167802Sjkim 471167802Sjkim ArgCount = AcpiDmInspectPossibleArgs (3, 1, NextOp); 472209746Sjkim AcpiOsPrintf ("/* A-CHILDREN: %u Actual %u */\n", ArgCount, AcpiDmCountChildren (Op)); 473167802Sjkim 474167802Sjkim if (ArgCount < 1) 475167802Sjkim { 476167802Sjkim /* One Arg means this is just a Store(Name,Target) */ 477167802Sjkim 478198237Sjkim AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0); 479167802Sjkim return (AE_OK); 480167802Sjkim } 481167802Sjkim 482198237Sjkim AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount); 483167802Sjkim } 484167802Sjkim break; 485167802Sjkim#endif 486167802Sjkim 487167802Sjkim case AML_STORE_OP: 488167802Sjkim 489167802Sjkim ChildOp = Op->Common.Value.Arg; 490167802Sjkim if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) && 491167802Sjkim !ChildOp->Common.Node) 492167802Sjkim { 493167802Sjkim NextOp = Op->Common.Next; 494167802Sjkim if (!NextOp) 495167802Sjkim { 496167802Sjkim /* This NamePath has no args, assume it is an integer */ 497167802Sjkim 498198237Sjkim AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0); 499167802Sjkim return (AE_OK); 500167802Sjkim } 501167802Sjkim 502167802Sjkim ArgCount = AcpiDmInspectPossibleArgs (2, 1, NextOp); 503167802Sjkim if (ArgCount <= 1) 504167802Sjkim { 505167802Sjkim /* One Arg means this is just a Store(Name,Target) */ 506167802Sjkim 507198237Sjkim AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0); 508167802Sjkim return (AE_OK); 509167802Sjkim } 510167802Sjkim 511198237Sjkim AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount); 512167802Sjkim } 513167802Sjkim break; 514167802Sjkim 515167802Sjkim case AML_INT_NAMEPATH_OP: 516167802Sjkim 517167802Sjkim /* Must examine parent to see if this namepath is an argument */ 518167802Sjkim 519167802Sjkim ParentOp = Op->Common.Parent; 520167802Sjkim OpInfo = AcpiPsGetOpcodeInfo (ParentOp->Common.AmlOpcode); 521167802Sjkim 522167802Sjkim if ((OpInfo->Class != AML_CLASS_EXECUTE) && 523167802Sjkim (OpInfo->Class != AML_CLASS_CREATE) && 524235945Sjkim (OpInfo->ObjectType != ACPI_TYPE_LOCAL_ALIAS) && 525167802Sjkim (ParentOp->Common.AmlOpcode != AML_INT_METHODCALL_OP) && 526167802Sjkim !Op->Common.Node) 527167802Sjkim { 528167802Sjkim ArgCount = AcpiDmInspectPossibleArgs (0, 0, Op->Common.Next); 529167802Sjkim 530167802Sjkim /* 531167802Sjkim * Check if namepath is a predicate for if/while or lone parameter to 532167802Sjkim * a return. 533167802Sjkim */ 534167802Sjkim if (ArgCount == 0) 535167802Sjkim { 536167802Sjkim if (((ParentOp->Common.AmlOpcode == AML_IF_OP) || 537167802Sjkim (ParentOp->Common.AmlOpcode == AML_WHILE_OP) || 538167802Sjkim (ParentOp->Common.AmlOpcode == AML_RETURN_OP)) && 539167802Sjkim 540167802Sjkim /* And namepath is the first argument */ 541167802Sjkim (ParentOp->Common.Value.Arg == Op)) 542167802Sjkim { 543198237Sjkim AcpiDmAddToExternalList (Op, Op->Common.Value.String, ACPI_TYPE_INTEGER, 0); 544167802Sjkim break; 545167802Sjkim } 546167802Sjkim } 547167802Sjkim 548167802Sjkim /* 549167802Sjkim * This is a standalone namestring (not a parameter to another 550167802Sjkim * operator) - it *must* be a method invocation, nothing else is 551167802Sjkim * grammatically possible. 552167802Sjkim */ 553198237Sjkim AcpiDmAddToExternalList (Op, Op->Common.Value.String, ACPI_TYPE_METHOD, ArgCount); 554167802Sjkim 555167802Sjkim } 556167802Sjkim break; 557193529Sjkim 558193529Sjkim default: 559193529Sjkim break; 560167802Sjkim } 561167802Sjkim 562167802Sjkim return (AE_OK); 563167802Sjkim} 564167802Sjkim 565167802Sjkim 566167802Sjkim/******************************************************************************* 567167802Sjkim * 568167802Sjkim * FUNCTION: AcpiDmLoadDescendingOp 569167802Sjkim * 570167802Sjkim * PARAMETERS: ASL_WALK_CALLBACK 571167802Sjkim * 572167802Sjkim * RETURN: Status 573167802Sjkim * 574167802Sjkim * DESCRIPTION: Descending handler for namespace control method object load 575167802Sjkim * 576167802Sjkim ******************************************************************************/ 577167802Sjkim 578167802Sjkimstatic ACPI_STATUS 579167802SjkimAcpiDmLoadDescendingOp ( 580167802Sjkim ACPI_PARSE_OBJECT *Op, 581167802Sjkim UINT32 Level, 582167802Sjkim void *Context) 583167802Sjkim{ 584167802Sjkim ACPI_OP_WALK_INFO *Info = Context; 585167802Sjkim const ACPI_OPCODE_INFO *OpInfo; 586167802Sjkim ACPI_WALK_STATE *WalkState; 587167802Sjkim ACPI_OBJECT_TYPE ObjectType; 588167802Sjkim ACPI_STATUS Status; 589167802Sjkim char *Path = NULL; 590167802Sjkim ACPI_PARSE_OBJECT *NextOp; 591167802Sjkim ACPI_NAMESPACE_NODE *Node; 592193529Sjkim char FieldPath[5]; 593193529Sjkim BOOLEAN PreDefined = FALSE; 594193529Sjkim UINT8 PreDefineIndex = 0; 595167802Sjkim 596167802Sjkim 597167802Sjkim WalkState = Info->WalkState; 598167802Sjkim OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 599167802Sjkim ObjectType = OpInfo->ObjectType; 600167802Sjkim ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode); 601167802Sjkim 602167802Sjkim /* Only interested in operators that create new names */ 603167802Sjkim 604167802Sjkim if (!(OpInfo->Flags & AML_NAMED) && 605167802Sjkim !(OpInfo->Flags & AML_CREATE)) 606167802Sjkim { 607167802Sjkim goto Exit; 608167802Sjkim } 609167802Sjkim 610167802Sjkim /* Get the NamePath from the appropriate place */ 611167802Sjkim 612167802Sjkim if (OpInfo->Flags & AML_NAMED) 613167802Sjkim { 614167802Sjkim /* For all named operators, get the new name */ 615167802Sjkim 616167802Sjkim Path = (char *) Op->Named.Path; 617193529Sjkim 618193529Sjkim if (!Path && Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP) 619193529Sjkim { 620193529Sjkim *ACPI_CAST_PTR (UINT32, &FieldPath[0]) = Op->Named.Name; 621193529Sjkim FieldPath[4] = 0; 622193529Sjkim Path = FieldPath; 623193529Sjkim } 624167802Sjkim } 625167802Sjkim else if (OpInfo->Flags & AML_CREATE) 626167802Sjkim { 627167802Sjkim /* New name is the last child */ 628167802Sjkim 629167802Sjkim NextOp = Op->Common.Value.Arg; 630167802Sjkim 631167802Sjkim while (NextOp->Common.Next) 632167802Sjkim { 633167802Sjkim NextOp = NextOp->Common.Next; 634167802Sjkim } 635167802Sjkim Path = NextOp->Common.Value.String; 636167802Sjkim } 637167802Sjkim 638167802Sjkim if (!Path) 639167802Sjkim { 640167802Sjkim goto Exit; 641167802Sjkim } 642167802Sjkim 643167802Sjkim /* Insert the name into the namespace */ 644167802Sjkim 645167802Sjkim Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType, 646167802Sjkim ACPI_IMODE_LOAD_PASS2, ACPI_NS_DONT_OPEN_SCOPE, 647167802Sjkim WalkState, &Node); 648167802Sjkim 649167802Sjkim Op->Common.Node = Node; 650167802Sjkim 651193529Sjkim if (ACPI_SUCCESS (Status)) 652193529Sjkim { 653193529Sjkim /* Check if it's a predefined node */ 654167802Sjkim 655193529Sjkim while (AcpiGbl_PreDefinedNames[PreDefineIndex].Name) 656193529Sjkim { 657241973Sjkim if (ACPI_COMPARE_NAME (Node->Name.Ascii, 658241973Sjkim AcpiGbl_PreDefinedNames[PreDefineIndex].Name)) 659193529Sjkim { 660193529Sjkim PreDefined = TRUE; 661193529Sjkim break; 662193529Sjkim } 663193529Sjkim 664193529Sjkim PreDefineIndex++; 665193529Sjkim } 666193529Sjkim 667193529Sjkim /* 668193529Sjkim * Set node owner id if it satisfies all the following conditions: 669193529Sjkim * 1) Not a predefined node, _SB_ etc 670193529Sjkim * 2) Not the root node 671193529Sjkim * 3) Not a node created by Scope 672193529Sjkim */ 673193529Sjkim 674193529Sjkim if (!PreDefined && Node != AcpiGbl_RootNode && 675193529Sjkim Op->Common.AmlOpcode != AML_SCOPE_OP) 676193529Sjkim { 677193529Sjkim Node->OwnerId = WalkState->OwnerId; 678193529Sjkim } 679193529Sjkim } 680193529Sjkim 681193529Sjkim 682167802SjkimExit: 683167802Sjkim 684167802Sjkim if (AcpiNsOpensScope (ObjectType)) 685167802Sjkim { 686167802Sjkim if (Op->Common.Node) 687167802Sjkim { 688167802Sjkim Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState); 689167802Sjkim if (ACPI_FAILURE (Status)) 690167802Sjkim { 691167802Sjkim return (Status); 692167802Sjkim } 693167802Sjkim } 694167802Sjkim } 695167802Sjkim 696167802Sjkim return (AE_OK); 697167802Sjkim} 698167802Sjkim 699167802Sjkim 700167802Sjkim/******************************************************************************* 701167802Sjkim * 702167802Sjkim * FUNCTION: AcpiDmXrefDescendingOp 703167802Sjkim * 704167802Sjkim * PARAMETERS: ASL_WALK_CALLBACK 705167802Sjkim * 706167802Sjkim * RETURN: Status 707167802Sjkim * 708167802Sjkim * DESCRIPTION: Descending handler for namespace cross reference 709167802Sjkim * 710167802Sjkim ******************************************************************************/ 711167802Sjkim 712167802Sjkimstatic ACPI_STATUS 713167802SjkimAcpiDmXrefDescendingOp ( 714167802Sjkim ACPI_PARSE_OBJECT *Op, 715167802Sjkim UINT32 Level, 716167802Sjkim void *Context) 717167802Sjkim{ 718167802Sjkim ACPI_OP_WALK_INFO *Info = Context; 719167802Sjkim const ACPI_OPCODE_INFO *OpInfo; 720167802Sjkim ACPI_WALK_STATE *WalkState; 721167802Sjkim ACPI_OBJECT_TYPE ObjectType; 722193529Sjkim ACPI_OBJECT_TYPE ObjectType2; 723167802Sjkim ACPI_STATUS Status; 724167802Sjkim char *Path = NULL; 725167802Sjkim ACPI_PARSE_OBJECT *NextOp; 726167802Sjkim ACPI_NAMESPACE_NODE *Node; 727193529Sjkim ACPI_OPERAND_OBJECT *Object; 728212761Sjkim UINT32 ParamCount = 0; 729167802Sjkim 730167802Sjkim 731167802Sjkim WalkState = Info->WalkState; 732167802Sjkim OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 733167802Sjkim ObjectType = OpInfo->ObjectType; 734167802Sjkim ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode); 735167802Sjkim 736167802Sjkim if ((!(OpInfo->Flags & AML_NAMED)) && 737167802Sjkim (!(OpInfo->Flags & AML_CREATE)) && 738167802Sjkim (Op->Common.AmlOpcode != AML_INT_NAMEPATH_OP)) 739167802Sjkim { 740167802Sjkim goto Exit; 741167802Sjkim } 742167802Sjkim 743167802Sjkim /* Get the NamePath from the appropriate place */ 744167802Sjkim 745167802Sjkim if (OpInfo->Flags & AML_NAMED) 746167802Sjkim { 747235945Sjkim /* 748235945Sjkim * Only these two operators (Alias, Scope) refer to an existing 749235945Sjkim * name, it is the first argument 750235945Sjkim */ 751235945Sjkim if (Op->Common.AmlOpcode == AML_ALIAS_OP) 752167802Sjkim { 753235945Sjkim ObjectType = ACPI_TYPE_ANY; 754235945Sjkim 755235945Sjkim NextOp = Op->Common.Value.Arg; 756235945Sjkim NextOp = NextOp->Common.Value.Arg; 757235945Sjkim if (NextOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) 758235945Sjkim { 759235945Sjkim Path = NextOp->Common.Value.String; 760235945Sjkim } 761235945Sjkim } 762235945Sjkim else if (Op->Common.AmlOpcode == AML_SCOPE_OP) 763235945Sjkim { 764167802Sjkim Path = (char *) Op->Named.Path; 765167802Sjkim } 766167802Sjkim } 767167802Sjkim else if (OpInfo->Flags & AML_CREATE) 768167802Sjkim { 769167802Sjkim /* Referenced Buffer Name is the first child */ 770167802Sjkim 771235945Sjkim ObjectType = ACPI_TYPE_BUFFER; /* Change from TYPE_BUFFER_FIELD */ 772235945Sjkim 773167802Sjkim NextOp = Op->Common.Value.Arg; 774167802Sjkim if (NextOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) 775167802Sjkim { 776167802Sjkim Path = NextOp->Common.Value.String; 777167802Sjkim } 778167802Sjkim } 779167802Sjkim else 780167802Sjkim { 781167802Sjkim Path = Op->Common.Value.String; 782167802Sjkim } 783167802Sjkim 784167802Sjkim if (!Path) 785167802Sjkim { 786167802Sjkim goto Exit; 787167802Sjkim } 788167802Sjkim 789167802Sjkim /* 790241973Sjkim * Lookup the name in the namespace. Name must exist at this point, or it 791167802Sjkim * is an invalid reference. 792167802Sjkim * 793167802Sjkim * The namespace is also used as a lookup table for references to resource 794167802Sjkim * descriptors and the fields within them. 795167802Sjkim */ 796167802Sjkim Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY, 797167802Sjkim ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, 798167802Sjkim WalkState, &Node); 799235945Sjkim if (ACPI_SUCCESS (Status) && (Node->Flags & ANOBJ_IS_EXTERNAL)) 800235945Sjkim { 801235945Sjkim Status = AE_NOT_FOUND; 802235945Sjkim } 803235945Sjkim 804167802Sjkim if (ACPI_FAILURE (Status)) 805167802Sjkim { 806167802Sjkim if (Status == AE_NOT_FOUND) 807167802Sjkim { 808198237Sjkim AcpiDmAddToExternalList (Op, Path, (UINT8) ObjectType, 0); 809167802Sjkim 810167802Sjkim /* 811167802Sjkim * We could install this into the namespace, but we catch duplicate 812167802Sjkim * externals when they are added to the list. 813167802Sjkim */ 814167802Sjkim#if 0 815167802Sjkim Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY, 816167802Sjkim ACPI_IMODE_LOAD_PASS1, ACPI_NS_DONT_OPEN_SCOPE, 817167802Sjkim WalkState, &Node); 818167802Sjkim#endif 819167802Sjkim } 820167802Sjkim } 821193529Sjkim 822193529Sjkim /* 823193529Sjkim * Found the node in external table, add it to external list 824193529Sjkim * Node->OwnerId == 0 indicates built-in ACPI Names, _OS_ etc 825193529Sjkim */ 826193529Sjkim else if (Node->OwnerId && WalkState->OwnerId != Node->OwnerId) 827193529Sjkim { 828193529Sjkim ObjectType2 = ObjectType; 829193529Sjkim 830193529Sjkim Object = AcpiNsGetAttachedObject (Node); 831193529Sjkim if (Object) 832193529Sjkim { 833193529Sjkim ObjectType2 = Object->Common.Type; 834212761Sjkim if (ObjectType2 == ACPI_TYPE_METHOD) 835212761Sjkim { 836212761Sjkim ParamCount = Object->Method.ParamCount; 837212761Sjkim } 838193529Sjkim } 839193529Sjkim 840246849Sjkim AcpiDmAddToExternalList (Op, Path, (UINT8) ObjectType2, ParamCount | 0x80); 841193529Sjkim Op->Common.Node = Node; 842193529Sjkim } 843167802Sjkim else 844167802Sjkim { 845167802Sjkim Op->Common.Node = Node; 846167802Sjkim } 847167802Sjkim 848167802Sjkim 849167802SjkimExit: 850167802Sjkim /* Open new scope if necessary */ 851167802Sjkim 852167802Sjkim if (AcpiNsOpensScope (ObjectType)) 853167802Sjkim { 854167802Sjkim if (Op->Common.Node) 855167802Sjkim { 856167802Sjkim Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState); 857167802Sjkim if (ACPI_FAILURE (Status)) 858167802Sjkim { 859167802Sjkim return (Status); 860167802Sjkim } 861167802Sjkim } 862167802Sjkim } 863167802Sjkim 864167802Sjkim return (AE_OK); 865167802Sjkim} 866167802Sjkim 867167802Sjkim 868167802Sjkim/******************************************************************************* 869167802Sjkim * 870167802Sjkim * FUNCTION: AcpiDmResourceDescendingOp 871167802Sjkim * 872167802Sjkim * PARAMETERS: ASL_WALK_CALLBACK 873167802Sjkim * 874167802Sjkim * RETURN: None 875167802Sjkim * 876167802Sjkim * DESCRIPTION: Process one parse op during symbolic resource index conversion. 877167802Sjkim * 878167802Sjkim ******************************************************************************/ 879167802Sjkim 880167802Sjkimstatic ACPI_STATUS 881167802SjkimAcpiDmResourceDescendingOp ( 882167802Sjkim ACPI_PARSE_OBJECT *Op, 883167802Sjkim UINT32 Level, 884167802Sjkim void *Context) 885167802Sjkim{ 886167802Sjkim ACPI_OP_WALK_INFO *Info = Context; 887167802Sjkim const ACPI_OPCODE_INFO *OpInfo; 888167802Sjkim ACPI_WALK_STATE *WalkState; 889167802Sjkim ACPI_OBJECT_TYPE ObjectType; 890167802Sjkim ACPI_STATUS Status; 891167802Sjkim 892167802Sjkim 893167802Sjkim WalkState = Info->WalkState; 894167802Sjkim OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 895167802Sjkim 896167802Sjkim /* Open new scope if necessary */ 897167802Sjkim 898167802Sjkim ObjectType = OpInfo->ObjectType; 899167802Sjkim if (AcpiNsOpensScope (ObjectType)) 900167802Sjkim { 901167802Sjkim if (Op->Common.Node) 902167802Sjkim { 903167802Sjkim 904167802Sjkim Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState); 905167802Sjkim if (ACPI_FAILURE (Status)) 906167802Sjkim { 907167802Sjkim return (Status); 908167802Sjkim } 909167802Sjkim } 910167802Sjkim } 911167802Sjkim 912167802Sjkim /* 913167802Sjkim * Check if this operator contains a reference to a resource descriptor. 914167802Sjkim * If so, convert the reference into a symbolic reference. 915167802Sjkim */ 916167802Sjkim AcpiDmCheckResourceReference (Op, WalkState); 917167802Sjkim return (AE_OK); 918167802Sjkim} 919167802Sjkim 920167802Sjkim 921167802Sjkim/******************************************************************************* 922167802Sjkim * 923167802Sjkim * FUNCTION: AcpiDmCommonAscendingOp 924167802Sjkim * 925167802Sjkim * PARAMETERS: ASL_WALK_CALLBACK 926167802Sjkim * 927167802Sjkim * RETURN: None 928167802Sjkim * 929167802Sjkim * DESCRIPTION: Ascending handler for combined parse/namespace walks. Closes 930167802Sjkim * scope if necessary. 931167802Sjkim * 932167802Sjkim ******************************************************************************/ 933167802Sjkim 934167802Sjkimstatic ACPI_STATUS 935167802SjkimAcpiDmCommonAscendingOp ( 936167802Sjkim ACPI_PARSE_OBJECT *Op, 937167802Sjkim UINT32 Level, 938167802Sjkim void *Context) 939167802Sjkim{ 940167802Sjkim ACPI_OP_WALK_INFO *Info = Context; 941167802Sjkim const ACPI_OPCODE_INFO *OpInfo; 942167802Sjkim ACPI_OBJECT_TYPE ObjectType; 943167802Sjkim 944167802Sjkim 945167802Sjkim /* Close scope if necessary */ 946167802Sjkim 947167802Sjkim OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 948167802Sjkim ObjectType = OpInfo->ObjectType; 949167802Sjkim ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode); 950167802Sjkim 951167802Sjkim if (AcpiNsOpensScope (ObjectType)) 952167802Sjkim { 953167802Sjkim (void) AcpiDsScopeStackPop (Info->WalkState); 954167802Sjkim } 955167802Sjkim 956167802Sjkim return (AE_OK); 957167802Sjkim} 958167802Sjkim 959167802Sjkim 960167802Sjkim/******************************************************************************* 961167802Sjkim * 962167802Sjkim * FUNCTION: AcpiDmInspectPossibleArgs 963167802Sjkim * 964167802Sjkim * PARAMETERS: CurrentOpArgCount - Which arg of the current op was the 965167802Sjkim * possible method invocation found 966167802Sjkim * TargetCount - Number of targets (0,1,2) for this op 967167802Sjkim * Op - Parse op 968167802Sjkim * 969167802Sjkim * RETURN: Status 970167802Sjkim * 971167802Sjkim * DESCRIPTION: Examine following args and next ops for possible arguments 972167802Sjkim * for an unrecognized method invocation. 973167802Sjkim * 974167802Sjkim ******************************************************************************/ 975167802Sjkim 976167802Sjkimstatic UINT32 977167802SjkimAcpiDmInspectPossibleArgs ( 978167802Sjkim UINT32 CurrentOpArgCount, 979167802Sjkim UINT32 TargetCount, 980167802Sjkim ACPI_PARSE_OBJECT *Op) 981167802Sjkim{ 982167802Sjkim const ACPI_OPCODE_INFO *OpInfo; 983167802Sjkim UINT32 i; 984167802Sjkim UINT32 Last = 0; 985167802Sjkim UINT32 Lookahead; 986167802Sjkim 987167802Sjkim 988167802Sjkim Lookahead = (ACPI_METHOD_NUM_ARGS + TargetCount) - CurrentOpArgCount; 989167802Sjkim 990167802Sjkim /* Lookahead for the maximum number of possible arguments */ 991167802Sjkim 992167802Sjkim for (i = 0; i < Lookahead; i++) 993167802Sjkim { 994167802Sjkim if (!Op) 995167802Sjkim { 996167802Sjkim break; 997167802Sjkim } 998167802Sjkim 999167802Sjkim OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 1000167802Sjkim 1001167802Sjkim /* 1002167802Sjkim * Any one of these operators is "very probably" not a method arg 1003167802Sjkim */ 1004167802Sjkim if ((Op->Common.AmlOpcode == AML_STORE_OP) || 1005167802Sjkim (Op->Common.AmlOpcode == AML_NOTIFY_OP)) 1006167802Sjkim { 1007167802Sjkim break; 1008167802Sjkim } 1009167802Sjkim 1010167802Sjkim if ((OpInfo->Class != AML_CLASS_EXECUTE) && 1011167802Sjkim (OpInfo->Class != AML_CLASS_CONTROL)) 1012167802Sjkim { 1013167802Sjkim Last = i+1; 1014167802Sjkim } 1015167802Sjkim 1016167802Sjkim Op = Op->Common.Next; 1017167802Sjkim } 1018167802Sjkim 1019167802Sjkim return (Last); 1020167802Sjkim} 1021