167754Smsmith/****************************************************************************** 267754Smsmith * 367754Smsmith * Module Name: psxface - Parser external interfaces 467754Smsmith * 567754Smsmith *****************************************************************************/ 667754Smsmith 7316303Sjkim/****************************************************************************** 8316303Sjkim * 9316303Sjkim * 1. Copyright Notice 10316303Sjkim * 11316303Sjkim * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp. 1270243Smsmith * All rights reserved. 1367754Smsmith * 14316303Sjkim * 2. License 15316303Sjkim * 16316303Sjkim * 2.1. This is your license from Intel Corp. under its intellectual property 17316303Sjkim * rights. You may have additional license terms from the party that provided 18316303Sjkim * you this software, covering your right to use that party's intellectual 19316303Sjkim * property rights. 20316303Sjkim * 21316303Sjkim * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22316303Sjkim * copy of the source code appearing in this file ("Covered Code") an 23316303Sjkim * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24316303Sjkim * base code distributed originally by Intel ("Original Intel Code") to copy, 25316303Sjkim * make derivatives, distribute, use and display any portion of the Covered 26316303Sjkim * Code in any form, with the right to sublicense such rights; and 27316303Sjkim * 28316303Sjkim * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29316303Sjkim * license (with the right to sublicense), under only those claims of Intel 30316303Sjkim * patents that are infringed by the Original Intel Code, to make, use, sell, 31316303Sjkim * offer to sell, and import the Covered Code and derivative works thereof 32316303Sjkim * solely to the minimum extent necessary to exercise the above copyright 33316303Sjkim * license, and in no event shall the patent license extend to any additions 34316303Sjkim * to or modifications of the Original Intel Code. No other license or right 35316303Sjkim * is granted directly or by implication, estoppel or otherwise; 36316303Sjkim * 37316303Sjkim * The above copyright and patent license is granted only if the following 38316303Sjkim * conditions are met: 39316303Sjkim * 40316303Sjkim * 3. Conditions 41316303Sjkim * 42316303Sjkim * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43316303Sjkim * Redistribution of source code of any substantial portion of the Covered 44316303Sjkim * Code or modification with rights to further distribute source must include 45316303Sjkim * the above Copyright Notice, the above License, this list of Conditions, 46316303Sjkim * and the following Disclaimer and Export Compliance provision. In addition, 47316303Sjkim * Licensee must cause all Covered Code to which Licensee contributes to 48316303Sjkim * contain a file documenting the changes Licensee made to create that Covered 49316303Sjkim * Code and the date of any change. Licensee must include in that file the 50316303Sjkim * documentation of any changes made by any predecessor Licensee. Licensee 51316303Sjkim * must include a prominent statement that the modification is derived, 52316303Sjkim * directly or indirectly, from Original Intel Code. 53316303Sjkim * 54316303Sjkim * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55316303Sjkim * Redistribution of source code of any substantial portion of the Covered 56316303Sjkim * Code or modification without rights to further distribute source must 57316303Sjkim * include the following Disclaimer and Export Compliance provision in the 58316303Sjkim * documentation and/or other materials provided with distribution. In 59316303Sjkim * addition, Licensee may not authorize further sublicense of source of any 60316303Sjkim * portion of the Covered Code, and must include terms to the effect that the 61316303Sjkim * license from Licensee to its licensee is limited to the intellectual 62316303Sjkim * property embodied in the software Licensee provides to its licensee, and 63316303Sjkim * not to intellectual property embodied in modifications its licensee may 64316303Sjkim * make. 65316303Sjkim * 66316303Sjkim * 3.3. Redistribution of Executable. Redistribution in executable form of any 67316303Sjkim * substantial portion of the Covered Code or modification must reproduce the 68316303Sjkim * above Copyright Notice, and the following Disclaimer and Export Compliance 69316303Sjkim * provision in the documentation and/or other materials provided with the 70316303Sjkim * distribution. 71316303Sjkim * 72316303Sjkim * 3.4. Intel retains all right, title, and interest in and to the Original 73316303Sjkim * Intel Code. 74316303Sjkim * 75316303Sjkim * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76316303Sjkim * Intel shall be used in advertising or otherwise to promote the sale, use or 77316303Sjkim * other dealings in products derived from or relating to the Covered Code 78316303Sjkim * without prior written authorization from Intel. 79316303Sjkim * 80316303Sjkim * 4. Disclaimer and Export Compliance 81316303Sjkim * 82316303Sjkim * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83316303Sjkim * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84316303Sjkim * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85316303Sjkim * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86316303Sjkim * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87316303Sjkim * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88316303Sjkim * PARTICULAR PURPOSE. 89316303Sjkim * 90316303Sjkim * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91316303Sjkim * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92316303Sjkim * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93316303Sjkim * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94316303Sjkim * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95316303Sjkim * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96316303Sjkim * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97316303Sjkim * LIMITED REMEDY. 98316303Sjkim * 99316303Sjkim * 4.3. Licensee shall not export, either directly or indirectly, any of this 100316303Sjkim * software or system incorporating such software without first obtaining any 101316303Sjkim * required license or other approval from the U. S. Department of Commerce or 102316303Sjkim * any other agency or department of the United States Government. In the 103316303Sjkim * event Licensee exports any such software from the United States or 104316303Sjkim * re-exports any such software from a foreign destination, Licensee shall 105316303Sjkim * ensure that the distribution and export/re-export of the software is in 106316303Sjkim * compliance with all laws, regulations, orders, or other restrictions of the 107316303Sjkim * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108316303Sjkim * any of its subsidiaries will export/re-export any technical data, process, 109316303Sjkim * software, or service, directly or indirectly, to any country for which the 110316303Sjkim * United States government or any agency thereof requires an export license, 111316303Sjkim * other governmental approval, or letter of assurance, without first obtaining 112316303Sjkim * such license, approval or letter. 113316303Sjkim * 114316303Sjkim ***************************************************************************** 115316303Sjkim * 116316303Sjkim * Alternatively, you may choose to be licensed under the terms of the 117316303Sjkim * following license: 118316303Sjkim * 119217365Sjkim * Redistribution and use in source and binary forms, with or without 120217365Sjkim * modification, are permitted provided that the following conditions 121217365Sjkim * are met: 122217365Sjkim * 1. Redistributions of source code must retain the above copyright 123217365Sjkim * notice, this list of conditions, and the following disclaimer, 124217365Sjkim * without modification. 125217365Sjkim * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126217365Sjkim * substantially similar to the "NO WARRANTY" disclaimer below 127217365Sjkim * ("Disclaimer") and any redistribution must be conditioned upon 128217365Sjkim * including a substantially similar Disclaimer requirement for further 129217365Sjkim * binary redistribution. 130217365Sjkim * 3. Neither the names of the above-listed copyright holders nor the names 131217365Sjkim * of any contributors may be used to endorse or promote products derived 132217365Sjkim * from this software without specific prior written permission. 13367754Smsmith * 134316303Sjkim * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135316303Sjkim * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136316303Sjkim * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137316303Sjkim * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138316303Sjkim * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139316303Sjkim * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140316303Sjkim * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141316303Sjkim * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142316303Sjkim * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143316303Sjkim * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144316303Sjkim * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145316303Sjkim * 146316303Sjkim * Alternatively, you may choose to be licensed under the terms of the 147217365Sjkim * GNU General Public License ("GPL") version 2 as published by the Free 148217365Sjkim * Software Foundation. 14967754Smsmith * 150316303Sjkim *****************************************************************************/ 15167754Smsmith 152193341Sjkim#include <contrib/dev/acpica/include/acpi.h> 153193341Sjkim#include <contrib/dev/acpica/include/accommon.h> 154193341Sjkim#include <contrib/dev/acpica/include/acparser.h> 155193341Sjkim#include <contrib/dev/acpica/include/acdispat.h> 156193341Sjkim#include <contrib/dev/acpica/include/acinterp.h> 157206117Sjkim#include <contrib/dev/acpica/include/actables.h> 158285797Sjkim#include <contrib/dev/acpica/include/acnamesp.h> 15967754Smsmith 16067754Smsmith 16177424Smsmith#define _COMPONENT ACPI_PARSER 16291116Smsmith ACPI_MODULE_NAME ("psxface") 16367754Smsmith 164151937Sjkim/* Local Prototypes */ 16567754Smsmith 166151937Sjkimstatic void 167151937SjkimAcpiPsUpdateParameterList ( 168167802Sjkim ACPI_EVALUATE_INFO *Info, 169151937Sjkim UINT16 Action); 170151937Sjkim 171151937Sjkim 17280062Smsmith/******************************************************************************* 17367754Smsmith * 174151937Sjkim * FUNCTION: AcpiDebugTrace 17567754Smsmith * 176151937Sjkim * PARAMETERS: MethodName - Valid ACPI name string 177151937Sjkim * DebugLevel - Optional level mask. 0 to use default 178151937Sjkim * DebugLayer - Optional layer mask. 0 to use default 179151937Sjkim * Flags - bit 1: one shot(1) or persistent(0) 18067754Smsmith * 18167754Smsmith * RETURN: Status 18267754Smsmith * 183151937Sjkim * DESCRIPTION: External interface to enable debug tracing during control 184151937Sjkim * method execution 18567754Smsmith * 18680062Smsmith ******************************************************************************/ 18767754Smsmith 18867754SmsmithACPI_STATUS 189151937SjkimAcpiDebugTrace ( 190285797Sjkim const char *Name, 191151937Sjkim UINT32 DebugLevel, 192151937Sjkim UINT32 DebugLayer, 193151937Sjkim UINT32 Flags) 194151937Sjkim{ 195151937Sjkim ACPI_STATUS Status; 196151937Sjkim 197151937Sjkim 198151937Sjkim Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); 199151937Sjkim if (ACPI_FAILURE (Status)) 200151937Sjkim { 201151937Sjkim return (Status); 202151937Sjkim } 203151937Sjkim 204285797Sjkim AcpiGbl_TraceMethodName = Name; 205151937Sjkim AcpiGbl_TraceFlags = Flags; 206285797Sjkim AcpiGbl_TraceDbgLevel = DebugLevel; 207285797Sjkim AcpiGbl_TraceDbgLayer = DebugLayer; 208285797Sjkim Status = AE_OK; 209151937Sjkim 210151937Sjkim (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 211285797Sjkim return (Status); 212151937Sjkim} 213151937Sjkim 214151937Sjkim 215151937Sjkim/******************************************************************************* 216151937Sjkim * 217151937Sjkim * FUNCTION: AcpiPsExecuteMethod 218151937Sjkim * 219151937Sjkim * PARAMETERS: Info - Method info block, contains: 220151937Sjkim * Node - Method Node to execute 221151937Sjkim * ObjDesc - Method object 222151937Sjkim * Parameters - List of parameters to pass to the method, 223151937Sjkim * terminated by NULL. Params itself may be 224151937Sjkim * NULL if no parameters are being passed. 225151937Sjkim * ReturnObject - Where to put method's return value (if 226151937Sjkim * any). If NULL, no value is returned. 227151937Sjkim * ParameterType - Type of Parameter list 228151937Sjkim * ReturnObject - Where to put method's return value (if 229151937Sjkim * any). If NULL, no value is returned. 230151937Sjkim * PassNumber - Parse or execute pass 231151937Sjkim * 232151937Sjkim * RETURN: Status 233151937Sjkim * 234151937Sjkim * DESCRIPTION: Execute a control method 235151937Sjkim * 236151937Sjkim ******************************************************************************/ 237151937Sjkim 238151937SjkimACPI_STATUS 239151937SjkimAcpiPsExecuteMethod ( 240167802Sjkim ACPI_EVALUATE_INFO *Info) 241151937Sjkim{ 242151937Sjkim ACPI_STATUS Status; 243167802Sjkim ACPI_PARSE_OBJECT *Op; 244167802Sjkim ACPI_WALK_STATE *WalkState; 245151937Sjkim 246151937Sjkim 247167802Sjkim ACPI_FUNCTION_TRACE (PsExecuteMethod); 248151937Sjkim 249151937Sjkim 250206117Sjkim /* Quick validation of DSDT header */ 251206117Sjkim 252206117Sjkim AcpiTbCheckDsdtHeader (); 253206117Sjkim 254151937Sjkim /* Validate the Info and method Node */ 255151937Sjkim 256249663Sjkim if (!Info || !Info->Node) 25784491Smsmith { 258151937Sjkim return_ACPI_STATUS (AE_NULL_ENTRY); 25984491Smsmith } 26084491Smsmith 261151937Sjkim /* Init for new method, wait on concurrency semaphore */ 262151937Sjkim 263249663Sjkim Status = AcpiDsBeginMethodExecution (Info->Node, Info->ObjDesc, NULL); 26484491Smsmith if (ACPI_FAILURE (Status)) 26584491Smsmith { 266151937Sjkim return_ACPI_STATUS (Status); 26784491Smsmith } 26884491Smsmith 269151937Sjkim /* 270167802Sjkim * The caller "owns" the parameters, so give each one an extra reference 271151937Sjkim */ 272151937Sjkim AcpiPsUpdateParameterList (Info, REF_INCREMENT); 27384491Smsmith 274151937Sjkim /* 275167802Sjkim * Execute the method. Performs parse simultaneously 276151937Sjkim */ 277151937Sjkim ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, 278167802Sjkim "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n", 279249663Sjkim Info->Node->Name.Ascii, Info->Node, Info->ObjDesc)); 280151937Sjkim 281167802Sjkim /* Create and init a Root Node */ 282167802Sjkim 283285797Sjkim Op = AcpiPsCreateScopeOp (Info->ObjDesc->Method.AmlStart); 284167802Sjkim if (!Op) 285167802Sjkim { 286167802Sjkim Status = AE_NO_MEMORY; 287167802Sjkim goto Cleanup; 288167802Sjkim } 289167802Sjkim 290167802Sjkim /* Create and initialize a new walk state */ 291167802Sjkim 292167802Sjkim Info->PassNumber = ACPI_IMODE_EXECUTE; 293167802Sjkim WalkState = AcpiDsCreateWalkState ( 294298714Sjkim Info->ObjDesc->Method.OwnerId, NULL, NULL, NULL); 295167802Sjkim if (!WalkState) 296167802Sjkim { 297167802Sjkim Status = AE_NO_MEMORY; 298167802Sjkim goto Cleanup; 299167802Sjkim } 300167802Sjkim 301249663Sjkim Status = AcpiDsInitAmlWalk (WalkState, Op, Info->Node, 302298714Sjkim Info->ObjDesc->Method.AmlStart, 303298714Sjkim Info->ObjDesc->Method.AmlLength, Info, Info->PassNumber); 304123315Snjl if (ACPI_FAILURE (Status)) 305123315Snjl { 306167802Sjkim AcpiDsDeleteWalkState (WalkState); 307151937Sjkim goto Cleanup; 308123315Snjl } 309123315Snjl 310217365Sjkim if (Info->ObjDesc->Method.InfoFlags & ACPI_METHOD_MODULE_LEVEL) 311197104Sjkim { 312197104Sjkim WalkState->ParseFlags |= ACPI_PARSE_MODULE_LEVEL; 313197104Sjkim } 314197104Sjkim 315193267Sjkim /* Invoke an internal method if necessary */ 316193267Sjkim 317217365Sjkim if (Info->ObjDesc->Method.InfoFlags & ACPI_METHOD_INTERNAL_ONLY) 318193267Sjkim { 319217365Sjkim Status = Info->ObjDesc->Method.Dispatch.Implementation (WalkState); 320193267Sjkim Info->ReturnObject = WalkState->ReturnDesc; 321193267Sjkim 322193267Sjkim /* Cleanup states */ 323193267Sjkim 324193267Sjkim AcpiDsScopeStackClear (WalkState); 325193267Sjkim AcpiPsCleanupScope (&WalkState->ParserState); 326193267Sjkim AcpiDsTerminateControlMethod (WalkState->MethodDesc, WalkState); 327193267Sjkim AcpiDsDeleteWalkState (WalkState); 328193267Sjkim goto Cleanup; 329193267Sjkim } 330193267Sjkim 331193267Sjkim /* 332238381Sjkim * Start method evaluation with an implicit return of zero. 333238381Sjkim * This is done for Windows compatibility. 334193267Sjkim */ 335193267Sjkim if (AcpiGbl_EnableInterpreterSlack) 336193267Sjkim { 337193267Sjkim WalkState->ImplicitReturnObj = 338199337Sjkim AcpiUtCreateIntegerObject ((UINT64) 0); 339193267Sjkim if (!WalkState->ImplicitReturnObj) 340193267Sjkim { 341193267Sjkim Status = AE_NO_MEMORY; 342193267Sjkim AcpiDsDeleteWalkState (WalkState); 343193267Sjkim goto Cleanup; 344193267Sjkim } 345193267Sjkim } 346193267Sjkim 347167802Sjkim /* Parse the AML */ 34884491Smsmith 349167802Sjkim Status = AcpiPsParseAml (WalkState); 35067754Smsmith 351167802Sjkim /* WalkState was deleted by ParseAml */ 35267754Smsmith 353151937SjkimCleanup: 354167802Sjkim AcpiPsDeleteParseTree (Op); 355167802Sjkim 356151937Sjkim /* Take away the extra reference that we gave the parameters above */ 35784491Smsmith 358151937Sjkim AcpiPsUpdateParameterList (Info, REF_DECREMENT); 35984491Smsmith 360151937Sjkim /* Exit now if error above */ 361151937Sjkim 36284491Smsmith if (ACPI_FAILURE (Status)) 36384491Smsmith { 364151937Sjkim return_ACPI_STATUS (Status); 36584491Smsmith } 36684491Smsmith 36767754Smsmith /* 368151937Sjkim * If the method has returned an object, signal this to the caller with 369151937Sjkim * a control exception code 37067754Smsmith */ 371151937Sjkim if (Info->ReturnObject) 372151937Sjkim { 373151937Sjkim ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n", 374151937Sjkim Info->ReturnObject)); 375151937Sjkim ACPI_DUMP_STACK_ENTRY (Info->ReturnObject); 376123315Snjl 377151937Sjkim Status = AE_CTRL_RETURN_VALUE; 378151937Sjkim } 379123315Snjl 380151937Sjkim return_ACPI_STATUS (Status); 381151937Sjkim} 382123315Snjl 38367754Smsmith 384151937Sjkim/******************************************************************************* 385151937Sjkim * 386316303Sjkim * FUNCTION: AcpiPsExecuteTable 387316303Sjkim * 388316303Sjkim * PARAMETERS: Info - Method info block, contains: 389316303Sjkim * Node - Node to where the is entered into the 390316303Sjkim * namespace 391316303Sjkim * ObjDesc - Pseudo method object describing the AML 392316303Sjkim * code of the entire table 393316303Sjkim * PassNumber - Parse or execute pass 394316303Sjkim * 395316303Sjkim * RETURN: Status 396316303Sjkim * 397316303Sjkim * DESCRIPTION: Execute a table 398316303Sjkim * 399316303Sjkim ******************************************************************************/ 400316303Sjkim 401316303SjkimACPI_STATUS 402316303SjkimAcpiPsExecuteTable ( 403316303Sjkim ACPI_EVALUATE_INFO *Info) 404316303Sjkim{ 405316303Sjkim ACPI_STATUS Status; 406316303Sjkim ACPI_PARSE_OBJECT *Op = NULL; 407316303Sjkim ACPI_WALK_STATE *WalkState = NULL; 408316303Sjkim 409316303Sjkim 410316303Sjkim ACPI_FUNCTION_TRACE (PsExecuteTable); 411316303Sjkim 412316303Sjkim 413316303Sjkim /* Create and init a Root Node */ 414316303Sjkim 415316303Sjkim Op = AcpiPsCreateScopeOp (Info->ObjDesc->Method.AmlStart); 416316303Sjkim if (!Op) 417316303Sjkim { 418316303Sjkim Status = AE_NO_MEMORY; 419316303Sjkim goto Cleanup; 420316303Sjkim } 421316303Sjkim 422316303Sjkim /* Create and initialize a new walk state */ 423316303Sjkim 424316303Sjkim WalkState = AcpiDsCreateWalkState ( 425316303Sjkim Info->ObjDesc->Method.OwnerId, NULL, NULL, NULL); 426316303Sjkim if (!WalkState) 427316303Sjkim { 428316303Sjkim Status = AE_NO_MEMORY; 429316303Sjkim goto Cleanup; 430316303Sjkim } 431316303Sjkim 432316303Sjkim Status = AcpiDsInitAmlWalk (WalkState, Op, Info->Node, 433316303Sjkim Info->ObjDesc->Method.AmlStart, 434316303Sjkim Info->ObjDesc->Method.AmlLength, Info, Info->PassNumber); 435316303Sjkim if (ACPI_FAILURE (Status)) 436316303Sjkim { 437316303Sjkim goto Cleanup; 438316303Sjkim } 439316303Sjkim 440316303Sjkim if (Info->ObjDesc->Method.InfoFlags & ACPI_METHOD_MODULE_LEVEL) 441316303Sjkim { 442316303Sjkim WalkState->ParseFlags |= ACPI_PARSE_MODULE_LEVEL; 443316303Sjkim } 444316303Sjkim 445316303Sjkim /* Info->Node is the default location to load the table */ 446316303Sjkim 447316303Sjkim if (Info->Node && Info->Node != AcpiGbl_RootNode) 448316303Sjkim { 449316303Sjkim Status = AcpiDsScopeStackPush ( 450316303Sjkim Info->Node, ACPI_TYPE_METHOD, WalkState); 451316303Sjkim if (ACPI_FAILURE (Status)) 452316303Sjkim { 453316303Sjkim goto Cleanup; 454316303Sjkim } 455316303Sjkim } 456316303Sjkim 457316303Sjkim /* 458316303Sjkim * Parse the AML, WalkState will be deleted by ParseAml 459316303Sjkim */ 460316303Sjkim AcpiExEnterInterpreter (); 461316303Sjkim Status = AcpiPsParseAml (WalkState); 462316303Sjkim AcpiExExitInterpreter (); 463316303Sjkim WalkState = NULL; 464316303Sjkim 465316303SjkimCleanup: 466316303Sjkim if (WalkState) 467316303Sjkim { 468316303Sjkim AcpiDsDeleteWalkState (WalkState); 469316303Sjkim } 470316303Sjkim if (Op) 471316303Sjkim { 472316303Sjkim AcpiPsDeleteParseTree (Op); 473316303Sjkim } 474316303Sjkim return_ACPI_STATUS (Status); 475316303Sjkim} 476316303Sjkim 477316303Sjkim 478316303Sjkim/******************************************************************************* 479316303Sjkim * 480151937Sjkim * FUNCTION: AcpiPsUpdateParameterList 481151937Sjkim * 482167802Sjkim * PARAMETERS: Info - See ACPI_EVALUATE_INFO 483151937Sjkim * (Used: ParameterType and Parameters) 484151937Sjkim * Action - Add or Remove reference 485151937Sjkim * 486151937Sjkim * RETURN: Status 487151937Sjkim * 488151937Sjkim * DESCRIPTION: Update reference count on all method parameter objects 489151937Sjkim * 490151937Sjkim ******************************************************************************/ 491151937Sjkim 492151937Sjkimstatic void 493151937SjkimAcpiPsUpdateParameterList ( 494167802Sjkim ACPI_EVALUATE_INFO *Info, 495151937Sjkim UINT16 Action) 496151937Sjkim{ 497193267Sjkim UINT32 i; 498151937Sjkim 499151937Sjkim 500193267Sjkim if (Info->Parameters) 50167754Smsmith { 502151937Sjkim /* Update reference count for each parameter */ 50367754Smsmith 504129684Snjl for (i = 0; Info->Parameters[i]; i++) 50567754Smsmith { 50699679Siwasaki /* Ignore errors, just do them all */ 50799679Siwasaki 508298714Sjkim (void) AcpiUtUpdateObjectReference ( 509298714Sjkim Info->Parameters[i], Action); 51067754Smsmith } 51167754Smsmith } 512151937Sjkim} 513