diff options
Diffstat (limited to 'source/components/namespace/nsparse.c')
-rw-r--r-- | source/components/namespace/nsparse.c | 586 |
1 files changed, 293 insertions, 293 deletions
diff --git a/source/components/namespace/nsparse.c b/source/components/namespace/nsparse.c index 1f63e9c28..f8802079c 100644 --- a/source/components/namespace/nsparse.c +++ b/source/components/namespace/nsparse.c @@ -1,293 +1,293 @@ -/******************************************************************************
- *
- * Module Name: nsparse - namespace interface to AML parser
- *
- *****************************************************************************/
-
-/******************************************************************************
- *
- * 1. Copyright Notice
- *
- * Some or all of this work - Copyright (c) 1999 - 2015, Intel Corp.
- * All rights reserved.
- *
- * 2. License
- *
- * 2.1. This is your license from Intel Corp. under its intellectual property
- * rights. You may have additional license terms from the party that provided
- * you this software, covering your right to use that party's intellectual
- * property rights.
- *
- * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
- * copy of the source code appearing in this file ("Covered Code") an
- * irrevocable, perpetual, worldwide license under Intel's copyrights in the
- * base code distributed originally by Intel ("Original Intel Code") to copy,
- * make derivatives, distribute, use and display any portion of the Covered
- * Code in any form, with the right to sublicense such rights; and
- *
- * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
- * license (with the right to sublicense), under only those claims of Intel
- * patents that are infringed by the Original Intel Code, to make, use, sell,
- * offer to sell, and import the Covered Code and derivative works thereof
- * solely to the minimum extent necessary to exercise the above copyright
- * license, and in no event shall the patent license extend to any additions
- * to or modifications of the Original Intel Code. No other license or right
- * is granted directly or by implication, estoppel or otherwise;
- *
- * The above copyright and patent license is granted only if the following
- * conditions are met:
- *
- * 3. Conditions
- *
- * 3.1. Redistribution of Source with Rights to Further Distribute Source.
- * Redistribution of source code of any substantial portion of the Covered
- * Code or modification with rights to further distribute source must include
- * the above Copyright Notice, the above License, this list of Conditions,
- * and the following Disclaimer and Export Compliance provision. In addition,
- * Licensee must cause all Covered Code to which Licensee contributes to
- * contain a file documenting the changes Licensee made to create that Covered
- * Code and the date of any change. Licensee must include in that file the
- * documentation of any changes made by any predecessor Licensee. Licensee
- * must include a prominent statement that the modification is derived,
- * directly or indirectly, from Original Intel Code.
- *
- * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
- * Redistribution of source code of any substantial portion of the Covered
- * Code or modification without rights to further distribute source must
- * include the following Disclaimer and Export Compliance provision in the
- * documentation and/or other materials provided with distribution. In
- * addition, Licensee may not authorize further sublicense of source of any
- * portion of the Covered Code, and must include terms to the effect that the
- * license from Licensee to its licensee is limited to the intellectual
- * property embodied in the software Licensee provides to its licensee, and
- * not to intellectual property embodied in modifications its licensee may
- * make.
- *
- * 3.3. Redistribution of Executable. Redistribution in executable form of any
- * substantial portion of the Covered Code or modification must reproduce the
- * above Copyright Notice, and the following Disclaimer and Export Compliance
- * provision in the documentation and/or other materials provided with the
- * distribution.
- *
- * 3.4. Intel retains all right, title, and interest in and to the Original
- * Intel Code.
- *
- * 3.5. Neither the name Intel nor any other trademark owned or controlled by
- * Intel shall be used in advertising or otherwise to promote the sale, use or
- * other dealings in products derived from or relating to the Covered Code
- * without prior written authorization from Intel.
- *
- * 4. Disclaimer and Export Compliance
- *
- * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
- * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
- * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
- * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
- * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
- * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
- * PARTICULAR PURPOSE.
- *
- * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
- * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
- * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
- * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
- * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
- * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
- * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
- * LIMITED REMEDY.
- *
- * 4.3. Licensee shall not export, either directly or indirectly, any of this
- * software or system incorporating such software without first obtaining any
- * required license or other approval from the U. S. Department of Commerce or
- * any other agency or department of the United States Government. In the
- * event Licensee exports any such software from the United States or
- * re-exports any such software from a foreign destination, Licensee shall
- * ensure that the distribution and export/re-export of the software is in
- * compliance with all laws, regulations, orders, or other restrictions of the
- * U.S. Export Administration Regulations. Licensee agrees that neither it nor
- * any of its subsidiaries will export/re-export any technical data, process,
- * software, or service, directly or indirectly, to any country for which the
- * United States government or any agency thereof requires an export license,
- * other governmental approval, or letter of assurance, without first obtaining
- * such license, approval or letter.
- *
- *****************************************************************************/
-
-#include "acpi.h"
-#include "accommon.h"
-#include "acnamesp.h"
-#include "acparser.h"
-#include "acdispat.h"
-#include "actables.h"
-
-
-#define _COMPONENT ACPI_NAMESPACE
- ACPI_MODULE_NAME ("nsparse")
-
-
-/*******************************************************************************
- *
- * FUNCTION: NsOneCompleteParse
- *
- * PARAMETERS: PassNumber - 1 or 2
- * TableDesc - The table to be parsed.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Perform one complete parse of an ACPI/AML table.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiNsOneCompleteParse (
- UINT32 PassNumber,
- UINT32 TableIndex,
- ACPI_NAMESPACE_NODE *StartNode)
-{
- ACPI_PARSE_OBJECT *ParseRoot;
- ACPI_STATUS Status;
- UINT32 AmlLength;
- UINT8 *AmlStart;
- ACPI_WALK_STATE *WalkState;
- ACPI_TABLE_HEADER *Table;
- ACPI_OWNER_ID OwnerId;
-
-
- ACPI_FUNCTION_TRACE (NsOneCompleteParse);
-
-
- Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- /* Create and init a Root Node */
-
- ParseRoot = AcpiPsCreateScopeOp ();
- if (!ParseRoot)
- {
- return_ACPI_STATUS (AE_NO_MEMORY);
- }
-
- /* Create and initialize a new walk state */
-
- WalkState = AcpiDsCreateWalkState (OwnerId, NULL, NULL, NULL);
- if (!WalkState)
- {
- AcpiPsFreeOp (ParseRoot);
- return_ACPI_STATUS (AE_NO_MEMORY);
- }
-
- Status = AcpiGetTableByIndex (TableIndex, &Table);
- if (ACPI_FAILURE (Status))
- {
- AcpiDsDeleteWalkState (WalkState);
- AcpiPsFreeOp (ParseRoot);
- return_ACPI_STATUS (Status);
- }
-
- /* Table must consist of at least a complete header */
-
- if (Table->Length < sizeof (ACPI_TABLE_HEADER))
- {
- Status = AE_BAD_HEADER;
- }
- else
- {
- AmlStart = (UINT8 *) Table + sizeof (ACPI_TABLE_HEADER);
- AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER);
- Status = AcpiDsInitAmlWalk (WalkState, ParseRoot, NULL,
- AmlStart, AmlLength, NULL, (UINT8) PassNumber);
- }
-
- if (ACPI_FAILURE (Status))
- {
- AcpiDsDeleteWalkState (WalkState);
- goto Cleanup;
- }
-
- /* StartNode is the default location to load the table */
-
- if (StartNode && StartNode != AcpiGbl_RootNode)
- {
- Status = AcpiDsScopeStackPush (StartNode, ACPI_TYPE_METHOD, WalkState);
- if (ACPI_FAILURE (Status))
- {
- AcpiDsDeleteWalkState (WalkState);
- goto Cleanup;
- }
- }
-
- /* Parse the AML */
-
- ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "*PARSE* pass %u parse\n", PassNumber));
- Status = AcpiPsParseAml (WalkState);
-
-Cleanup:
- AcpiPsDeleteParseTree (ParseRoot);
- return_ACPI_STATUS (Status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiNsParseTable
- *
- * PARAMETERS: TableDesc - An ACPI table descriptor for table to parse
- * StartNode - Where to enter the table into the namespace
- *
- * RETURN: Status
- *
- * DESCRIPTION: Parse AML within an ACPI table and return a tree of ops
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiNsParseTable (
- UINT32 TableIndex,
- ACPI_NAMESPACE_NODE *StartNode)
-{
- ACPI_STATUS Status;
-
-
- ACPI_FUNCTION_TRACE (NsParseTable);
-
-
- /*
- * AML Parse, pass 1
- *
- * In this pass, we load most of the namespace. Control methods
- * are not parsed until later. A parse tree is not created. Instead,
- * each Parser Op subtree is deleted when it is finished. This saves
- * a great deal of memory, and allows a small cache of parse objects
- * to service the entire parse. The second pass of the parse then
- * performs another complete parse of the AML.
- */
- ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 1\n"));
- Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS1,
- TableIndex, StartNode);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- /*
- * AML Parse, pass 2
- *
- * In this pass, we resolve forward references and other things
- * that could not be completed during the first pass.
- * Another complete parse of the AML is performed, but the
- * overhead of this is compensated for by the fact that the
- * parse objects are all cached.
- */
- ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 2\n"));
- Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2,
- TableIndex, StartNode);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- return_ACPI_STATUS (Status);
-}
+/****************************************************************************** + * + * Module Name: nsparse - namespace interface to AML parser + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2014, Intel Corp. + * All rights reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + *****************************************************************************/ + +#include "acpi.h" +#include "accommon.h" +#include "acnamesp.h" +#include "acparser.h" +#include "acdispat.h" +#include "actables.h" + + +#define _COMPONENT ACPI_NAMESPACE + ACPI_MODULE_NAME ("nsparse") + + +/******************************************************************************* + * + * FUNCTION: NsOneCompleteParse + * + * PARAMETERS: PassNumber - 1 or 2 + * TableDesc - The table to be parsed. + * + * RETURN: Status + * + * DESCRIPTION: Perform one complete parse of an ACPI/AML table. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiNsOneCompleteParse ( + UINT32 PassNumber, + UINT32 TableIndex, + ACPI_NAMESPACE_NODE *StartNode) +{ + ACPI_PARSE_OBJECT *ParseRoot; + ACPI_STATUS Status; + UINT32 AmlLength; + UINT8 *AmlStart; + ACPI_WALK_STATE *WalkState; + ACPI_TABLE_HEADER *Table; + ACPI_OWNER_ID OwnerId; + + + ACPI_FUNCTION_TRACE (NsOneCompleteParse); + + + Status = AcpiTbGetOwnerId (TableIndex, &OwnerId); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Create and init a Root Node */ + + ParseRoot = AcpiPsCreateScopeOp (); + if (!ParseRoot) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + /* Create and initialize a new walk state */ + + WalkState = AcpiDsCreateWalkState (OwnerId, NULL, NULL, NULL); + if (!WalkState) + { + AcpiPsFreeOp (ParseRoot); + return_ACPI_STATUS (AE_NO_MEMORY); + } + + Status = AcpiGetTableByIndex (TableIndex, &Table); + if (ACPI_FAILURE (Status)) + { + AcpiDsDeleteWalkState (WalkState); + AcpiPsFreeOp (ParseRoot); + return_ACPI_STATUS (Status); + } + + /* Table must consist of at least a complete header */ + + if (Table->Length < sizeof (ACPI_TABLE_HEADER)) + { + Status = AE_BAD_HEADER; + } + else + { + AmlStart = (UINT8 *) Table + sizeof (ACPI_TABLE_HEADER); + AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER); + Status = AcpiDsInitAmlWalk (WalkState, ParseRoot, NULL, + AmlStart, AmlLength, NULL, (UINT8) PassNumber); + } + + if (ACPI_FAILURE (Status)) + { + AcpiDsDeleteWalkState (WalkState); + goto Cleanup; + } + + /* StartNode is the default location to load the table */ + + if (StartNode && StartNode != AcpiGbl_RootNode) + { + Status = AcpiDsScopeStackPush (StartNode, ACPI_TYPE_METHOD, WalkState); + if (ACPI_FAILURE (Status)) + { + AcpiDsDeleteWalkState (WalkState); + goto Cleanup; + } + } + + /* Parse the AML */ + + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "*PARSE* pass %u parse\n", PassNumber)); + Status = AcpiPsParseAml (WalkState); + +Cleanup: + AcpiPsDeleteParseTree (ParseRoot); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiNsParseTable + * + * PARAMETERS: TableDesc - An ACPI table descriptor for table to parse + * StartNode - Where to enter the table into the namespace + * + * RETURN: Status + * + * DESCRIPTION: Parse AML within an ACPI table and return a tree of ops + * + ******************************************************************************/ + +ACPI_STATUS +AcpiNsParseTable ( + UINT32 TableIndex, + ACPI_NAMESPACE_NODE *StartNode) +{ + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE (NsParseTable); + + + /* + * AML Parse, pass 1 + * + * In this pass, we load most of the namespace. Control methods + * are not parsed until later. A parse tree is not created. Instead, + * each Parser Op subtree is deleted when it is finished. This saves + * a great deal of memory, and allows a small cache of parse objects + * to service the entire parse. The second pass of the parse then + * performs another complete parse of the AML. + */ + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 1\n")); + Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS1, + TableIndex, StartNode); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * AML Parse, pass 2 + * + * In this pass, we resolve forward references and other things + * that could not be completed during the first pass. + * Another complete parse of the AML is performed, but the + * overhead of this is compensated for by the fact that the + * parse objects are all cached. + */ + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 2\n")); + Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, + TableIndex, StartNode); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + return_ACPI_STATUS (Status); +} |