| 0,0 → 1,502 |
|---|
| /****************************************************************************** |
| * |
| * Module Name: dsargs - Support for execution of dynamic arguments for static |
| * objects (regions, fields, buffer fields, etc.) |
| * |
| *****************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * 1. Copyright Notice |
| * |
| * Some or all of this work - Copyright (c) 1999 - 2011, 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. |
| * |
| *****************************************************************************/ |
| |
| #define __DSARGS_C__ |
| |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "amlcode.h" |
| #include "acdispat.h" |
| #include "acnamesp.h" |
| |
| #define _COMPONENT ACPI_DISPATCHER |
| ACPI_MODULE_NAME ("dsargs") |
| |
| /* Local prototypes */ |
| |
| static ACPI_STATUS |
| AcpiDsExecuteArguments ( |
| ACPI_NAMESPACE_NODE *Node, |
| ACPI_NAMESPACE_NODE *ScopeNode, |
| UINT32 AmlLength, |
| UINT8 *AmlStart); |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsExecuteArguments |
| * |
| * PARAMETERS: Node - Object NS node |
| * ScopeNode - Parent NS node |
| * AmlLength - Length of executable AML |
| * AmlStart - Pointer to the AML |
| * |
| * RETURN: Status. |
| * |
| * DESCRIPTION: Late (deferred) execution of region or field arguments |
| * |
| ******************************************************************************/ |
| |
| static ACPI_STATUS |
| AcpiDsExecuteArguments ( |
| ACPI_NAMESPACE_NODE *Node, |
| ACPI_NAMESPACE_NODE *ScopeNode, |
| UINT32 AmlLength, |
| UINT8 *AmlStart) |
| { |
| ACPI_STATUS Status; |
| ACPI_PARSE_OBJECT *Op; |
| ACPI_WALK_STATE *WalkState; |
| |
| |
| ACPI_FUNCTION_TRACE (DsExecuteArguments); |
| |
| |
| /* Allocate a new parser op to be the root of the parsed tree */ |
| |
| Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP); |
| if (!Op) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| |
| /* Save the Node for use in AcpiPsParseAml */ |
| |
| Op->Common.Node = ScopeNode; |
| |
| /* Create and initialize a new parser state */ |
| |
| WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); |
| if (!WalkState) |
| { |
| Status = AE_NO_MEMORY; |
| goto Cleanup; |
| } |
| |
| Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart, |
| AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); |
| if (ACPI_FAILURE (Status)) |
| { |
| AcpiDsDeleteWalkState (WalkState); |
| goto Cleanup; |
| } |
| |
| /* Mark this parse as a deferred opcode */ |
| |
| WalkState->ParseFlags = ACPI_PARSE_DEFERRED_OP; |
| WalkState->DeferredNode = Node; |
| |
| /* Pass1: Parse the entire declaration */ |
| |
| Status = AcpiPsParseAml (WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| goto Cleanup; |
| } |
| |
| /* Get and init the Op created above */ |
| |
| Op->Common.Node = Node; |
| AcpiPsDeleteParseTree (Op); |
| |
| /* Evaluate the deferred arguments */ |
| |
| Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP); |
| if (!Op) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| |
| Op->Common.Node = ScopeNode; |
| |
| /* Create and initialize a new parser state */ |
| |
| WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); |
| if (!WalkState) |
| { |
| Status = AE_NO_MEMORY; |
| goto Cleanup; |
| } |
| |
| /* Execute the opcode and arguments */ |
| |
| Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart, |
| AmlLength, NULL, ACPI_IMODE_EXECUTE); |
| if (ACPI_FAILURE (Status)) |
| { |
| AcpiDsDeleteWalkState (WalkState); |
| goto Cleanup; |
| } |
| |
| /* Mark this execution as a deferred opcode */ |
| |
| WalkState->DeferredNode = Node; |
| Status = AcpiPsParseAml (WalkState); |
| |
| Cleanup: |
| AcpiPsDeleteParseTree (Op); |
| return_ACPI_STATUS (Status); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsGetBufferFieldArguments |
| * |
| * PARAMETERS: ObjDesc - A valid BufferField object |
| * |
| * RETURN: Status. |
| * |
| * DESCRIPTION: Get BufferField Buffer and Index. This implements the late |
| * evaluation of these field attributes. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsGetBufferFieldArguments ( |
| ACPI_OPERAND_OBJECT *ObjDesc) |
| { |
| ACPI_OPERAND_OBJECT *ExtraDesc; |
| ACPI_NAMESPACE_NODE *Node; |
| ACPI_STATUS Status; |
| |
| |
| ACPI_FUNCTION_TRACE_PTR (DsGetBufferFieldArguments, ObjDesc); |
| |
| |
| if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) |
| { |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| /* Get the AML pointer (method object) and BufferField node */ |
| |
| ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc); |
| Node = ObjDesc->BufferField.Node; |
| |
| ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_BUFFER_FIELD, |
| Node, NULL)); |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n", |
| AcpiUtGetNodeName (Node))); |
| |
| /* Execute the AML code for the TermArg arguments */ |
| |
| Status = AcpiDsExecuteArguments (Node, Node->Parent, |
| ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); |
| return_ACPI_STATUS (Status); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsGetBankFieldArguments |
| * |
| * PARAMETERS: ObjDesc - A valid BankField object |
| * |
| * RETURN: Status. |
| * |
| * DESCRIPTION: Get BankField BankValue. This implements the late |
| * evaluation of these field attributes. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsGetBankFieldArguments ( |
| ACPI_OPERAND_OBJECT *ObjDesc) |
| { |
| ACPI_OPERAND_OBJECT *ExtraDesc; |
| ACPI_NAMESPACE_NODE *Node; |
| ACPI_STATUS Status; |
| |
| |
| ACPI_FUNCTION_TRACE_PTR (DsGetBankFieldArguments, ObjDesc); |
| |
| |
| if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) |
| { |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| /* Get the AML pointer (method object) and BankField node */ |
| |
| ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc); |
| Node = ObjDesc->BankField.Node; |
| |
| ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_LOCAL_BANK_FIELD, |
| Node, NULL)); |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] BankField Arg Init\n", |
| AcpiUtGetNodeName (Node))); |
| |
| /* Execute the AML code for the TermArg arguments */ |
| |
| Status = AcpiDsExecuteArguments (Node, Node->Parent, |
| ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); |
| return_ACPI_STATUS (Status); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsGetBufferArguments |
| * |
| * PARAMETERS: ObjDesc - A valid Buffer object |
| * |
| * RETURN: Status. |
| * |
| * DESCRIPTION: Get Buffer length and initializer byte list. This implements |
| * the late evaluation of these attributes. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsGetBufferArguments ( |
| ACPI_OPERAND_OBJECT *ObjDesc) |
| { |
| ACPI_NAMESPACE_NODE *Node; |
| ACPI_STATUS Status; |
| |
| |
| ACPI_FUNCTION_TRACE_PTR (DsGetBufferArguments, ObjDesc); |
| |
| |
| if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) |
| { |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| /* Get the Buffer node */ |
| |
| Node = ObjDesc->Buffer.Node; |
| if (!Node) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "No pointer back to namespace node in buffer object %p", ObjDesc)); |
| return_ACPI_STATUS (AE_AML_INTERNAL); |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer Arg Init\n")); |
| |
| /* Execute the AML code for the TermArg arguments */ |
| |
| Status = AcpiDsExecuteArguments (Node, Node, |
| ObjDesc->Buffer.AmlLength, ObjDesc->Buffer.AmlStart); |
| return_ACPI_STATUS (Status); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsGetPackageArguments |
| * |
| * PARAMETERS: ObjDesc - A valid Package object |
| * |
| * RETURN: Status. |
| * |
| * DESCRIPTION: Get Package length and initializer byte list. This implements |
| * the late evaluation of these attributes. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsGetPackageArguments ( |
| ACPI_OPERAND_OBJECT *ObjDesc) |
| { |
| ACPI_NAMESPACE_NODE *Node; |
| ACPI_STATUS Status; |
| |
| |
| ACPI_FUNCTION_TRACE_PTR (DsGetPackageArguments, ObjDesc); |
| |
| |
| if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) |
| { |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| /* Get the Package node */ |
| |
| Node = ObjDesc->Package.Node; |
| if (!Node) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "No pointer back to namespace node in package %p", ObjDesc)); |
| return_ACPI_STATUS (AE_AML_INTERNAL); |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package Arg Init\n")); |
| |
| /* Execute the AML code for the TermArg arguments */ |
| |
| Status = AcpiDsExecuteArguments (Node, Node, |
| ObjDesc->Package.AmlLength, ObjDesc->Package.AmlStart); |
| return_ACPI_STATUS (Status); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsGetRegionArguments |
| * |
| * PARAMETERS: ObjDesc - A valid region object |
| * |
| * RETURN: Status. |
| * |
| * DESCRIPTION: Get region address and length. This implements the late |
| * evaluation of these region attributes. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsGetRegionArguments ( |
| ACPI_OPERAND_OBJECT *ObjDesc) |
| { |
| ACPI_NAMESPACE_NODE *Node; |
| ACPI_STATUS Status; |
| ACPI_OPERAND_OBJECT *ExtraDesc; |
| |
| |
| ACPI_FUNCTION_TRACE_PTR (DsGetRegionArguments, ObjDesc); |
| |
| |
| if (ObjDesc->Region.Flags & AOPOBJ_DATA_VALID) |
| { |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc); |
| if (!ExtraDesc) |
| { |
| return_ACPI_STATUS (AE_NOT_EXIST); |
| } |
| |
| /* Get the Region node */ |
| |
| Node = ObjDesc->Region.Node; |
| |
| ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_REGION, Node, NULL)); |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n", |
| AcpiUtGetNodeName (Node), ExtraDesc->Extra.AmlStart)); |
| |
| /* Execute the argument AML */ |
| |
| Status = AcpiDsExecuteArguments (Node, Node->Parent, |
| ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); |
| return_ACPI_STATUS (Status); |
| } |