From 6a13235548463f921b3d582109aecbae93391518 Mon Sep 17 00:00:00 2001 From: "David E. Box" Date: Tue, 27 Jan 2015 11:39:30 -0800 Subject: Revert "source and test: update copyright notices to 2015" This reverts commit 28a95326289ca5ee7cd95f8e8e809dc5564d9509. Commit mistakenly changes file format to CRLF from default LF. --- source/components/dispatcher/dsopcode.c | 1758 +++++++++++++++---------------- 1 file changed, 879 insertions(+), 879 deletions(-) (limited to 'source/components/dispatcher/dsopcode.c') diff --git a/source/components/dispatcher/dsopcode.c b/source/components/dispatcher/dsopcode.c index 52cc6af71..c1f265daa 100644 --- a/source/components/dispatcher/dsopcode.c +++ b/source/components/dispatcher/dsopcode.c @@ -1,879 +1,879 @@ -/****************************************************************************** - * - * Module Name: dsopcode - Dispatcher support for regions and fields - * - *****************************************************************************/ - -/****************************************************************************** - * - * 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 "acparser.h" -#include "amlcode.h" -#include "acdispat.h" -#include "acinterp.h" -#include "acnamesp.h" -#include "acevents.h" -#include "actables.h" - -#define _COMPONENT ACPI_DISPATCHER - ACPI_MODULE_NAME ("dsopcode") - -/* Local prototypes */ - -static ACPI_STATUS -AcpiDsInitBufferField ( - UINT16 AmlOpcode, - ACPI_OPERAND_OBJECT *ObjDesc, - ACPI_OPERAND_OBJECT *BufferDesc, - ACPI_OPERAND_OBJECT *OffsetDesc, - ACPI_OPERAND_OBJECT *LengthDesc, - ACPI_OPERAND_OBJECT *ResultDesc); - - -/******************************************************************************* - * - * FUNCTION: AcpiDsInitializeRegion - * - * PARAMETERS: ObjHandle - Region namespace node - * - * RETURN: Status - * - * DESCRIPTION: Front end to EvInitializeRegion - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsInitializeRegion ( - ACPI_HANDLE ObjHandle) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - - - ObjDesc = AcpiNsGetAttachedObject (ObjHandle); - - /* Namespace is NOT locked */ - - Status = AcpiEvInitializeRegion (ObjDesc, FALSE); - return (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiDsInitBufferField - * - * PARAMETERS: AmlOpcode - CreateXxxField - * ObjDesc - BufferField object - * BufferDesc - Host Buffer - * OffsetDesc - Offset into buffer - * LengthDesc - Length of field (CREATE_FIELD_OP only) - * ResultDesc - Where to store the result - * - * RETURN: Status - * - * DESCRIPTION: Perform actual initialization of a buffer field - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiDsInitBufferField ( - UINT16 AmlOpcode, - ACPI_OPERAND_OBJECT *ObjDesc, - ACPI_OPERAND_OBJECT *BufferDesc, - ACPI_OPERAND_OBJECT *OffsetDesc, - ACPI_OPERAND_OBJECT *LengthDesc, - ACPI_OPERAND_OBJECT *ResultDesc) -{ - UINT32 Offset; - UINT32 BitOffset; - UINT32 BitCount; - UINT8 FieldFlags; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE_PTR (DsInitBufferField, ObjDesc); - - - /* Host object must be a Buffer */ - - if (BufferDesc->Common.Type != ACPI_TYPE_BUFFER) - { - ACPI_ERROR ((AE_INFO, - "Target of Create Field is not a Buffer object - %s", - AcpiUtGetObjectTypeName (BufferDesc))); - - Status = AE_AML_OPERAND_TYPE; - goto Cleanup; - } - - /* - * The last parameter to all of these opcodes (ResultDesc) started - * out as a NameString, and should therefore now be a NS node - * after resolution in AcpiExResolveOperands(). - */ - if (ACPI_GET_DESCRIPTOR_TYPE (ResultDesc) != ACPI_DESC_TYPE_NAMED) - { - ACPI_ERROR ((AE_INFO, - "(%s) destination not a NS Node [%s]", - AcpiPsGetOpcodeName (AmlOpcode), - AcpiUtGetDescriptorName (ResultDesc))); - - Status = AE_AML_OPERAND_TYPE; - goto Cleanup; - } - - Offset = (UINT32) OffsetDesc->Integer.Value; - - /* - * Setup the Bit offsets and counts, according to the opcode - */ - switch (AmlOpcode) - { - case AML_CREATE_FIELD_OP: - - /* Offset is in bits, count is in bits */ - - FieldFlags = AML_FIELD_ACCESS_BYTE; - BitOffset = Offset; - BitCount = (UINT32) LengthDesc->Integer.Value; - - /* Must have a valid (>0) bit count */ - - if (BitCount == 0) - { - ACPI_ERROR ((AE_INFO, - "Attempt to CreateField of length zero")); - Status = AE_AML_OPERAND_VALUE; - goto Cleanup; - } - break; - - case AML_CREATE_BIT_FIELD_OP: - - /* Offset is in bits, Field is one bit */ - - BitOffset = Offset; - BitCount = 1; - FieldFlags = AML_FIELD_ACCESS_BYTE; - break; - - case AML_CREATE_BYTE_FIELD_OP: - - /* Offset is in bytes, field is one byte */ - - BitOffset = 8 * Offset; - BitCount = 8; - FieldFlags = AML_FIELD_ACCESS_BYTE; - break; - - case AML_CREATE_WORD_FIELD_OP: - - /* Offset is in bytes, field is one word */ - - BitOffset = 8 * Offset; - BitCount = 16; - FieldFlags = AML_FIELD_ACCESS_WORD; - break; - - case AML_CREATE_DWORD_FIELD_OP: - - /* Offset is in bytes, field is one dword */ - - BitOffset = 8 * Offset; - BitCount = 32; - FieldFlags = AML_FIELD_ACCESS_DWORD; - break; - - case AML_CREATE_QWORD_FIELD_OP: - - /* Offset is in bytes, field is one qword */ - - BitOffset = 8 * Offset; - BitCount = 64; - FieldFlags = AML_FIELD_ACCESS_QWORD; - break; - - default: - - ACPI_ERROR ((AE_INFO, - "Unknown field creation opcode 0x%02X", - AmlOpcode)); - Status = AE_AML_BAD_OPCODE; - goto Cleanup; - } - - /* Entire field must fit within the current length of the buffer */ - - if ((BitOffset + BitCount) > - (8 * (UINT32) BufferDesc->Buffer.Length)) - { - ACPI_ERROR ((AE_INFO, - "Field [%4.4s] at %u exceeds Buffer [%4.4s] size %u (bits)", - AcpiUtGetNodeName (ResultDesc), - BitOffset + BitCount, - AcpiUtGetNodeName (BufferDesc->Buffer.Node), - 8 * (UINT32) BufferDesc->Buffer.Length)); - Status = AE_AML_BUFFER_LIMIT; - goto Cleanup; - } - - /* - * Initialize areas of the field object that are common to all fields - * For FieldFlags, use LOCK_RULE = 0 (NO_LOCK), - * UPDATE_RULE = 0 (UPDATE_PRESERVE) - */ - Status = AcpiExPrepCommonFieldObject (ObjDesc, FieldFlags, 0, - BitOffset, BitCount); - if (ACPI_FAILURE (Status)) - { - goto Cleanup; - } - - ObjDesc->BufferField.BufferObj = BufferDesc; - - /* Reference count for BufferDesc inherits ObjDesc count */ - - BufferDesc->Common.ReferenceCount = (UINT16) - (BufferDesc->Common.ReferenceCount + ObjDesc->Common.ReferenceCount); - - -Cleanup: - - /* Always delete the operands */ - - AcpiUtRemoveReference (OffsetDesc); - AcpiUtRemoveReference (BufferDesc); - - if (AmlOpcode == AML_CREATE_FIELD_OP) - { - AcpiUtRemoveReference (LengthDesc); - } - - /* On failure, delete the result descriptor */ - - if (ACPI_FAILURE (Status)) - { - AcpiUtRemoveReference (ResultDesc); /* Result descriptor */ - } - else - { - /* Now the address and length are valid for this BufferField */ - - ObjDesc->BufferField.Flags |= AOPOBJ_DATA_VALID; - } - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiDsEvalBufferFieldOperands - * - * PARAMETERS: WalkState - Current walk - * Op - A valid BufferField Op object - * - * RETURN: Status - * - * DESCRIPTION: Get BufferField Buffer and Index - * Called from AcpiDsExecEndOp during BufferField parse tree walk - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsEvalBufferFieldOperands ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT *Op) -{ - ACPI_STATUS Status; - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_NAMESPACE_NODE *Node; - ACPI_PARSE_OBJECT *NextOp; - - - ACPI_FUNCTION_TRACE_PTR (DsEvalBufferFieldOperands, Op); - - - /* - * This is where we evaluate the address and length fields of the - * CreateXxxField declaration - */ - Node = Op->Common.Node; - - /* NextOp points to the op that holds the Buffer */ - - NextOp = Op->Common.Value.Arg; - - /* Evaluate/create the address and length operands */ - - Status = AcpiDsCreateOperands (WalkState, NextOp); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - ObjDesc = AcpiNsGetAttachedObject (Node); - if (!ObjDesc) - { - return_ACPI_STATUS (AE_NOT_EXIST); - } - - /* Resolve the operands */ - - Status = AcpiExResolveOperands (Op->Common.AmlOpcode, - ACPI_WALK_OPERANDS, WalkState); - if (ACPI_FAILURE (Status)) - { - ACPI_ERROR ((AE_INFO, "(%s) bad operand(s), status 0x%X", - AcpiPsGetOpcodeName (Op->Common.AmlOpcode), Status)); - - return_ACPI_STATUS (Status); - } - - /* Initialize the Buffer Field */ - - if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP) - { - /* NOTE: Slightly different operands for this opcode */ - - Status = AcpiDsInitBufferField (Op->Common.AmlOpcode, ObjDesc, - WalkState->Operands[0], WalkState->Operands[1], - WalkState->Operands[2], WalkState->Operands[3]); - } - else - { - /* All other, CreateXxxField opcodes */ - - Status = AcpiDsInitBufferField (Op->Common.AmlOpcode, ObjDesc, - WalkState->Operands[0], WalkState->Operands[1], - NULL, WalkState->Operands[2]); - } - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiDsEvalRegionOperands - * - * PARAMETERS: WalkState - Current walk - * Op - A valid region Op object - * - * RETURN: Status - * - * DESCRIPTION: Get region address and length - * Called from AcpiDsExecEndOp during OpRegion parse tree walk - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsEvalRegionOperands ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT *Op) -{ - ACPI_STATUS Status; - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_OPERAND_OBJECT *OperandDesc; - ACPI_NAMESPACE_NODE *Node; - ACPI_PARSE_OBJECT *NextOp; - - - ACPI_FUNCTION_TRACE_PTR (DsEvalRegionOperands, Op); - - - /* - * This is where we evaluate the address and length fields of the - * OpRegion declaration - */ - Node = Op->Common.Node; - - /* NextOp points to the op that holds the SpaceID */ - - NextOp = Op->Common.Value.Arg; - - /* NextOp points to address op */ - - NextOp = NextOp->Common.Next; - - /* Evaluate/create the address and length operands */ - - Status = AcpiDsCreateOperands (WalkState, NextOp); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Resolve the length and address operands to numbers */ - - Status = AcpiExResolveOperands (Op->Common.AmlOpcode, - ACPI_WALK_OPERANDS, WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - ObjDesc = AcpiNsGetAttachedObject (Node); - if (!ObjDesc) - { - return_ACPI_STATUS (AE_NOT_EXIST); - } - - /* - * Get the length operand and save it - * (at Top of stack) - */ - OperandDesc = WalkState->Operands[WalkState->NumOperands - 1]; - - ObjDesc->Region.Length = (UINT32) OperandDesc->Integer.Value; - AcpiUtRemoveReference (OperandDesc); - - /* - * Get the address and save it - * (at top of stack - 1) - */ - OperandDesc = WalkState->Operands[WalkState->NumOperands - 2]; - - ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS) - OperandDesc->Integer.Value; - AcpiUtRemoveReference (OperandDesc); - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n", - ObjDesc, - ACPI_FORMAT_NATIVE_UINT (ObjDesc->Region.Address), - ObjDesc->Region.Length)); - - /* Now the address and length are valid for this opregion */ - - ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID; - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiDsEvalTableRegionOperands - * - * PARAMETERS: WalkState - Current walk - * Op - A valid region Op object - * - * RETURN: Status - * - * DESCRIPTION: Get region address and length. - * Called from AcpiDsExecEndOp during DataTableRegion parse - * tree walk. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsEvalTableRegionOperands ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT *Op) -{ - ACPI_STATUS Status; - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_OPERAND_OBJECT **Operand; - ACPI_NAMESPACE_NODE *Node; - ACPI_PARSE_OBJECT *NextOp; - UINT32 TableIndex; - ACPI_TABLE_HEADER *Table; - - - ACPI_FUNCTION_TRACE_PTR (DsEvalTableRegionOperands, Op); - - - /* - * This is where we evaluate the Signature string, OemId string, - * and OemTableId string of the Data Table Region declaration - */ - Node = Op->Common.Node; - - /* NextOp points to Signature string op */ - - NextOp = Op->Common.Value.Arg; - - /* - * Evaluate/create the Signature string, OemId string, - * and OemTableId string operands - */ - Status = AcpiDsCreateOperands (WalkState, NextOp); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* - * Resolve the Signature string, OemId string, - * and OemTableId string operands - */ - Status = AcpiExResolveOperands (Op->Common.AmlOpcode, - ACPI_WALK_OPERANDS, WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - Operand = &WalkState->Operands[0]; - - /* Find the ACPI table */ - - Status = AcpiTbFindTable (Operand[0]->String.Pointer, - Operand[1]->String.Pointer, Operand[2]->String.Pointer, - &TableIndex); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - AcpiUtRemoveReference (Operand[0]); - AcpiUtRemoveReference (Operand[1]); - AcpiUtRemoveReference (Operand[2]); - - Status = AcpiGetTableByIndex (TableIndex, &Table); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - ObjDesc = AcpiNsGetAttachedObject (Node); - if (!ObjDesc) - { - return_ACPI_STATUS (AE_NOT_EXIST); - } - - ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS) ACPI_TO_INTEGER (Table); - ObjDesc->Region.Length = Table->Length; - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n", - ObjDesc, - ACPI_FORMAT_NATIVE_UINT (ObjDesc->Region.Address), - ObjDesc->Region.Length)); - - /* Now the address and length are valid for this opregion */ - - ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID; - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiDsEvalDataObjectOperands - * - * PARAMETERS: WalkState - Current walk - * Op - A valid DataObject Op object - * ObjDesc - DataObject - * - * RETURN: Status - * - * DESCRIPTION: Get the operands and complete the following data object types: - * Buffer, Package. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsEvalDataObjectOperands ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT *Op, - ACPI_OPERAND_OBJECT *ObjDesc) -{ - ACPI_STATUS Status; - ACPI_OPERAND_OBJECT *ArgDesc; - UINT32 Length; - - - ACPI_FUNCTION_TRACE (DsEvalDataObjectOperands); - - - /* The first operand (for all of these data objects) is the length */ - - /* - * Set proper index into operand stack for AcpiDsObjStackPush - * invoked inside AcpiDsCreateOperand. - */ - WalkState->OperandIndex = WalkState->NumOperands; - - Status = AcpiDsCreateOperand (WalkState, Op->Common.Value.Arg, 1); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - Status = AcpiExResolveOperands (WalkState->Opcode, - &(WalkState->Operands [WalkState->NumOperands -1]), - WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Extract length operand */ - - ArgDesc = WalkState->Operands [WalkState->NumOperands - 1]; - Length = (UINT32) ArgDesc->Integer.Value; - - /* Cleanup for length operand */ - - Status = AcpiDsObjStackPop (1, WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - AcpiUtRemoveReference (ArgDesc); - - /* - * Create the actual data object - */ - switch (Op->Common.AmlOpcode) - { - case AML_BUFFER_OP: - - Status = AcpiDsBuildInternalBufferObj (WalkState, Op, Length, &ObjDesc); - break; - - case AML_PACKAGE_OP: - case AML_VAR_PACKAGE_OP: - - Status = AcpiDsBuildInternalPackageObj (WalkState, Op, Length, &ObjDesc); - break; - - default: - - return_ACPI_STATUS (AE_AML_BAD_OPCODE); - } - - if (ACPI_SUCCESS (Status)) - { - /* - * Return the object in the WalkState, unless the parent is a package - - * in this case, the return object will be stored in the parse tree - * for the package. - */ - if ((!Op->Common.Parent) || - ((Op->Common.Parent->Common.AmlOpcode != AML_PACKAGE_OP) && - (Op->Common.Parent->Common.AmlOpcode != AML_VAR_PACKAGE_OP) && - (Op->Common.Parent->Common.AmlOpcode != AML_NAME_OP))) - { - WalkState->ResultObj = ObjDesc; - } - } - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiDsEvalBankFieldOperands - * - * PARAMETERS: WalkState - Current walk - * Op - A valid BankField Op object - * - * RETURN: Status - * - * DESCRIPTION: Get BankField BankValue - * Called from AcpiDsExecEndOp during BankField parse tree walk - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsEvalBankFieldOperands ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT *Op) -{ - ACPI_STATUS Status; - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_OPERAND_OBJECT *OperandDesc; - ACPI_NAMESPACE_NODE *Node; - ACPI_PARSE_OBJECT *NextOp; - ACPI_PARSE_OBJECT *Arg; - - - ACPI_FUNCTION_TRACE_PTR (DsEvalBankFieldOperands, Op); - - - /* - * This is where we evaluate the BankValue field of the - * BankField declaration - */ - - /* NextOp points to the op that holds the Region */ - - NextOp = Op->Common.Value.Arg; - - /* NextOp points to the op that holds the Bank Register */ - - NextOp = NextOp->Common.Next; - - /* NextOp points to the op that holds the Bank Value */ - - NextOp = NextOp->Common.Next; - - /* - * Set proper index into operand stack for AcpiDsObjStackPush - * invoked inside AcpiDsCreateOperand. - * - * We use WalkState->Operands[0] to store the evaluated BankValue - */ - WalkState->OperandIndex = 0; - - Status = AcpiDsCreateOperand (WalkState, NextOp, 0); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - Status = AcpiExResolveToValue (&WalkState->Operands[0], WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, - AcpiPsGetOpcodeName (Op->Common.AmlOpcode), 1); - /* - * Get the BankValue operand and save it - * (at Top of stack) - */ - OperandDesc = WalkState->Operands[0]; - - /* Arg points to the start Bank Field */ - - Arg = AcpiPsGetArg (Op, 4); - while (Arg) - { - /* Ignore OFFSET and ACCESSAS terms here */ - - if (Arg->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP) - { - Node = Arg->Common.Node; - - ObjDesc = AcpiNsGetAttachedObject (Node); - if (!ObjDesc) - { - return_ACPI_STATUS (AE_NOT_EXIST); - } - - ObjDesc->BankField.Value = (UINT32) OperandDesc->Integer.Value; - } - - /* Move to next field in the list */ - - Arg = Arg->Common.Next; - } - - AcpiUtRemoveReference (OperandDesc); - return_ACPI_STATUS (Status); -} +/****************************************************************************** + * + * Module Name: dsopcode - Dispatcher support for regions and fields + * + *****************************************************************************/ + +/****************************************************************************** + * + * 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 "acparser.h" +#include "amlcode.h" +#include "acdispat.h" +#include "acinterp.h" +#include "acnamesp.h" +#include "acevents.h" +#include "actables.h" + +#define _COMPONENT ACPI_DISPATCHER + ACPI_MODULE_NAME ("dsopcode") + +/* Local prototypes */ + +static ACPI_STATUS +AcpiDsInitBufferField ( + UINT16 AmlOpcode, + ACPI_OPERAND_OBJECT *ObjDesc, + ACPI_OPERAND_OBJECT *BufferDesc, + ACPI_OPERAND_OBJECT *OffsetDesc, + ACPI_OPERAND_OBJECT *LengthDesc, + ACPI_OPERAND_OBJECT *ResultDesc); + + +/******************************************************************************* + * + * FUNCTION: AcpiDsInitializeRegion + * + * PARAMETERS: ObjHandle - Region namespace node + * + * RETURN: Status + * + * DESCRIPTION: Front end to EvInitializeRegion + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsInitializeRegion ( + ACPI_HANDLE ObjHandle) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; + + + ObjDesc = AcpiNsGetAttachedObject (ObjHandle); + + /* Namespace is NOT locked */ + + Status = AcpiEvInitializeRegion (ObjDesc, FALSE); + return (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsInitBufferField + * + * PARAMETERS: AmlOpcode - CreateXxxField + * ObjDesc - BufferField object + * BufferDesc - Host Buffer + * OffsetDesc - Offset into buffer + * LengthDesc - Length of field (CREATE_FIELD_OP only) + * ResultDesc - Where to store the result + * + * RETURN: Status + * + * DESCRIPTION: Perform actual initialization of a buffer field + * + ******************************************************************************/ + +static ACPI_STATUS +AcpiDsInitBufferField ( + UINT16 AmlOpcode, + ACPI_OPERAND_OBJECT *ObjDesc, + ACPI_OPERAND_OBJECT *BufferDesc, + ACPI_OPERAND_OBJECT *OffsetDesc, + ACPI_OPERAND_OBJECT *LengthDesc, + ACPI_OPERAND_OBJECT *ResultDesc) +{ + UINT32 Offset; + UINT32 BitOffset; + UINT32 BitCount; + UINT8 FieldFlags; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE_PTR (DsInitBufferField, ObjDesc); + + + /* Host object must be a Buffer */ + + if (BufferDesc->Common.Type != ACPI_TYPE_BUFFER) + { + ACPI_ERROR ((AE_INFO, + "Target of Create Field is not a Buffer object - %s", + AcpiUtGetObjectTypeName (BufferDesc))); + + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + + /* + * The last parameter to all of these opcodes (ResultDesc) started + * out as a NameString, and should therefore now be a NS node + * after resolution in AcpiExResolveOperands(). + */ + if (ACPI_GET_DESCRIPTOR_TYPE (ResultDesc) != ACPI_DESC_TYPE_NAMED) + { + ACPI_ERROR ((AE_INFO, + "(%s) destination not a NS Node [%s]", + AcpiPsGetOpcodeName (AmlOpcode), + AcpiUtGetDescriptorName (ResultDesc))); + + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + + Offset = (UINT32) OffsetDesc->Integer.Value; + + /* + * Setup the Bit offsets and counts, according to the opcode + */ + switch (AmlOpcode) + { + case AML_CREATE_FIELD_OP: + + /* Offset is in bits, count is in bits */ + + FieldFlags = AML_FIELD_ACCESS_BYTE; + BitOffset = Offset; + BitCount = (UINT32) LengthDesc->Integer.Value; + + /* Must have a valid (>0) bit count */ + + if (BitCount == 0) + { + ACPI_ERROR ((AE_INFO, + "Attempt to CreateField of length zero")); + Status = AE_AML_OPERAND_VALUE; + goto Cleanup; + } + break; + + case AML_CREATE_BIT_FIELD_OP: + + /* Offset is in bits, Field is one bit */ + + BitOffset = Offset; + BitCount = 1; + FieldFlags = AML_FIELD_ACCESS_BYTE; + break; + + case AML_CREATE_BYTE_FIELD_OP: + + /* Offset is in bytes, field is one byte */ + + BitOffset = 8 * Offset; + BitCount = 8; + FieldFlags = AML_FIELD_ACCESS_BYTE; + break; + + case AML_CREATE_WORD_FIELD_OP: + + /* Offset is in bytes, field is one word */ + + BitOffset = 8 * Offset; + BitCount = 16; + FieldFlags = AML_FIELD_ACCESS_WORD; + break; + + case AML_CREATE_DWORD_FIELD_OP: + + /* Offset is in bytes, field is one dword */ + + BitOffset = 8 * Offset; + BitCount = 32; + FieldFlags = AML_FIELD_ACCESS_DWORD; + break; + + case AML_CREATE_QWORD_FIELD_OP: + + /* Offset is in bytes, field is one qword */ + + BitOffset = 8 * Offset; + BitCount = 64; + FieldFlags = AML_FIELD_ACCESS_QWORD; + break; + + default: + + ACPI_ERROR ((AE_INFO, + "Unknown field creation opcode 0x%02X", + AmlOpcode)); + Status = AE_AML_BAD_OPCODE; + goto Cleanup; + } + + /* Entire field must fit within the current length of the buffer */ + + if ((BitOffset + BitCount) > + (8 * (UINT32) BufferDesc->Buffer.Length)) + { + ACPI_ERROR ((AE_INFO, + "Field [%4.4s] at %u exceeds Buffer [%4.4s] size %u (bits)", + AcpiUtGetNodeName (ResultDesc), + BitOffset + BitCount, + AcpiUtGetNodeName (BufferDesc->Buffer.Node), + 8 * (UINT32) BufferDesc->Buffer.Length)); + Status = AE_AML_BUFFER_LIMIT; + goto Cleanup; + } + + /* + * Initialize areas of the field object that are common to all fields + * For FieldFlags, use LOCK_RULE = 0 (NO_LOCK), + * UPDATE_RULE = 0 (UPDATE_PRESERVE) + */ + Status = AcpiExPrepCommonFieldObject (ObjDesc, FieldFlags, 0, + BitOffset, BitCount); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + ObjDesc->BufferField.BufferObj = BufferDesc; + + /* Reference count for BufferDesc inherits ObjDesc count */ + + BufferDesc->Common.ReferenceCount = (UINT16) + (BufferDesc->Common.ReferenceCount + ObjDesc->Common.ReferenceCount); + + +Cleanup: + + /* Always delete the operands */ + + AcpiUtRemoveReference (OffsetDesc); + AcpiUtRemoveReference (BufferDesc); + + if (AmlOpcode == AML_CREATE_FIELD_OP) + { + AcpiUtRemoveReference (LengthDesc); + } + + /* On failure, delete the result descriptor */ + + if (ACPI_FAILURE (Status)) + { + AcpiUtRemoveReference (ResultDesc); /* Result descriptor */ + } + else + { + /* Now the address and length are valid for this BufferField */ + + ObjDesc->BufferField.Flags |= AOPOBJ_DATA_VALID; + } + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsEvalBufferFieldOperands + * + * PARAMETERS: WalkState - Current walk + * Op - A valid BufferField Op object + * + * RETURN: Status + * + * DESCRIPTION: Get BufferField Buffer and Index + * Called from AcpiDsExecEndOp during BufferField parse tree walk + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsEvalBufferFieldOperands ( + ACPI_WALK_STATE *WalkState, + ACPI_PARSE_OBJECT *Op) +{ + ACPI_STATUS Status; + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_NAMESPACE_NODE *Node; + ACPI_PARSE_OBJECT *NextOp; + + + ACPI_FUNCTION_TRACE_PTR (DsEvalBufferFieldOperands, Op); + + + /* + * This is where we evaluate the address and length fields of the + * CreateXxxField declaration + */ + Node = Op->Common.Node; + + /* NextOp points to the op that holds the Buffer */ + + NextOp = Op->Common.Value.Arg; + + /* Evaluate/create the address and length operands */ + + Status = AcpiDsCreateOperands (WalkState, NextOp); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + ObjDesc = AcpiNsGetAttachedObject (Node); + if (!ObjDesc) + { + return_ACPI_STATUS (AE_NOT_EXIST); + } + + /* Resolve the operands */ + + Status = AcpiExResolveOperands (Op->Common.AmlOpcode, + ACPI_WALK_OPERANDS, WalkState); + if (ACPI_FAILURE (Status)) + { + ACPI_ERROR ((AE_INFO, "(%s) bad operand(s), status 0x%X", + AcpiPsGetOpcodeName (Op->Common.AmlOpcode), Status)); + + return_ACPI_STATUS (Status); + } + + /* Initialize the Buffer Field */ + + if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP) + { + /* NOTE: Slightly different operands for this opcode */ + + Status = AcpiDsInitBufferField (Op->Common.AmlOpcode, ObjDesc, + WalkState->Operands[0], WalkState->Operands[1], + WalkState->Operands[2], WalkState->Operands[3]); + } + else + { + /* All other, CreateXxxField opcodes */ + + Status = AcpiDsInitBufferField (Op->Common.AmlOpcode, ObjDesc, + WalkState->Operands[0], WalkState->Operands[1], + NULL, WalkState->Operands[2]); + } + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsEvalRegionOperands + * + * PARAMETERS: WalkState - Current walk + * Op - A valid region Op object + * + * RETURN: Status + * + * DESCRIPTION: Get region address and length + * Called from AcpiDsExecEndOp during OpRegion parse tree walk + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsEvalRegionOperands ( + ACPI_WALK_STATE *WalkState, + ACPI_PARSE_OBJECT *Op) +{ + ACPI_STATUS Status; + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_OPERAND_OBJECT *OperandDesc; + ACPI_NAMESPACE_NODE *Node; + ACPI_PARSE_OBJECT *NextOp; + + + ACPI_FUNCTION_TRACE_PTR (DsEvalRegionOperands, Op); + + + /* + * This is where we evaluate the address and length fields of the + * OpRegion declaration + */ + Node = Op->Common.Node; + + /* NextOp points to the op that holds the SpaceID */ + + NextOp = Op->Common.Value.Arg; + + /* NextOp points to address op */ + + NextOp = NextOp->Common.Next; + + /* Evaluate/create the address and length operands */ + + Status = AcpiDsCreateOperands (WalkState, NextOp); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Resolve the length and address operands to numbers */ + + Status = AcpiExResolveOperands (Op->Common.AmlOpcode, + ACPI_WALK_OPERANDS, WalkState); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + ObjDesc = AcpiNsGetAttachedObject (Node); + if (!ObjDesc) + { + return_ACPI_STATUS (AE_NOT_EXIST); + } + + /* + * Get the length operand and save it + * (at Top of stack) + */ + OperandDesc = WalkState->Operands[WalkState->NumOperands - 1]; + + ObjDesc->Region.Length = (UINT32) OperandDesc->Integer.Value; + AcpiUtRemoveReference (OperandDesc); + + /* + * Get the address and save it + * (at top of stack - 1) + */ + OperandDesc = WalkState->Operands[WalkState->NumOperands - 2]; + + ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS) + OperandDesc->Integer.Value; + AcpiUtRemoveReference (OperandDesc); + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n", + ObjDesc, + ACPI_FORMAT_NATIVE_UINT (ObjDesc->Region.Address), + ObjDesc->Region.Length)); + + /* Now the address and length are valid for this opregion */ + + ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID; + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsEvalTableRegionOperands + * + * PARAMETERS: WalkState - Current walk + * Op - A valid region Op object + * + * RETURN: Status + * + * DESCRIPTION: Get region address and length. + * Called from AcpiDsExecEndOp during DataTableRegion parse + * tree walk. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsEvalTableRegionOperands ( + ACPI_WALK_STATE *WalkState, + ACPI_PARSE_OBJECT *Op) +{ + ACPI_STATUS Status; + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_OPERAND_OBJECT **Operand; + ACPI_NAMESPACE_NODE *Node; + ACPI_PARSE_OBJECT *NextOp; + UINT32 TableIndex; + ACPI_TABLE_HEADER *Table; + + + ACPI_FUNCTION_TRACE_PTR (DsEvalTableRegionOperands, Op); + + + /* + * This is where we evaluate the Signature string, OemId string, + * and OemTableId string of the Data Table Region declaration + */ + Node = Op->Common.Node; + + /* NextOp points to Signature string op */ + + NextOp = Op->Common.Value.Arg; + + /* + * Evaluate/create the Signature string, OemId string, + * and OemTableId string operands + */ + Status = AcpiDsCreateOperands (WalkState, NextOp); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * Resolve the Signature string, OemId string, + * and OemTableId string operands + */ + Status = AcpiExResolveOperands (Op->Common.AmlOpcode, + ACPI_WALK_OPERANDS, WalkState); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Operand = &WalkState->Operands[0]; + + /* Find the ACPI table */ + + Status = AcpiTbFindTable (Operand[0]->String.Pointer, + Operand[1]->String.Pointer, Operand[2]->String.Pointer, + &TableIndex); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + AcpiUtRemoveReference (Operand[0]); + AcpiUtRemoveReference (Operand[1]); + AcpiUtRemoveReference (Operand[2]); + + Status = AcpiGetTableByIndex (TableIndex, &Table); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + ObjDesc = AcpiNsGetAttachedObject (Node); + if (!ObjDesc) + { + return_ACPI_STATUS (AE_NOT_EXIST); + } + + ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS) ACPI_TO_INTEGER (Table); + ObjDesc->Region.Length = Table->Length; + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n", + ObjDesc, + ACPI_FORMAT_NATIVE_UINT (ObjDesc->Region.Address), + ObjDesc->Region.Length)); + + /* Now the address and length are valid for this opregion */ + + ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID; + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsEvalDataObjectOperands + * + * PARAMETERS: WalkState - Current walk + * Op - A valid DataObject Op object + * ObjDesc - DataObject + * + * RETURN: Status + * + * DESCRIPTION: Get the operands and complete the following data object types: + * Buffer, Package. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsEvalDataObjectOperands ( + ACPI_WALK_STATE *WalkState, + ACPI_PARSE_OBJECT *Op, + ACPI_OPERAND_OBJECT *ObjDesc) +{ + ACPI_STATUS Status; + ACPI_OPERAND_OBJECT *ArgDesc; + UINT32 Length; + + + ACPI_FUNCTION_TRACE (DsEvalDataObjectOperands); + + + /* The first operand (for all of these data objects) is the length */ + + /* + * Set proper index into operand stack for AcpiDsObjStackPush + * invoked inside AcpiDsCreateOperand. + */ + WalkState->OperandIndex = WalkState->NumOperands; + + Status = AcpiDsCreateOperand (WalkState, Op->Common.Value.Arg, 1); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Status = AcpiExResolveOperands (WalkState->Opcode, + &(WalkState->Operands [WalkState->NumOperands -1]), + WalkState); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Extract length operand */ + + ArgDesc = WalkState->Operands [WalkState->NumOperands - 1]; + Length = (UINT32) ArgDesc->Integer.Value; + + /* Cleanup for length operand */ + + Status = AcpiDsObjStackPop (1, WalkState); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + AcpiUtRemoveReference (ArgDesc); + + /* + * Create the actual data object + */ + switch (Op->Common.AmlOpcode) + { + case AML_BUFFER_OP: + + Status = AcpiDsBuildInternalBufferObj (WalkState, Op, Length, &ObjDesc); + break; + + case AML_PACKAGE_OP: + case AML_VAR_PACKAGE_OP: + + Status = AcpiDsBuildInternalPackageObj (WalkState, Op, Length, &ObjDesc); + break; + + default: + + return_ACPI_STATUS (AE_AML_BAD_OPCODE); + } + + if (ACPI_SUCCESS (Status)) + { + /* + * Return the object in the WalkState, unless the parent is a package - + * in this case, the return object will be stored in the parse tree + * for the package. + */ + if ((!Op->Common.Parent) || + ((Op->Common.Parent->Common.AmlOpcode != AML_PACKAGE_OP) && + (Op->Common.Parent->Common.AmlOpcode != AML_VAR_PACKAGE_OP) && + (Op->Common.Parent->Common.AmlOpcode != AML_NAME_OP))) + { + WalkState->ResultObj = ObjDesc; + } + } + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsEvalBankFieldOperands + * + * PARAMETERS: WalkState - Current walk + * Op - A valid BankField Op object + * + * RETURN: Status + * + * DESCRIPTION: Get BankField BankValue + * Called from AcpiDsExecEndOp during BankField parse tree walk + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsEvalBankFieldOperands ( + ACPI_WALK_STATE *WalkState, + ACPI_PARSE_OBJECT *Op) +{ + ACPI_STATUS Status; + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_OPERAND_OBJECT *OperandDesc; + ACPI_NAMESPACE_NODE *Node; + ACPI_PARSE_OBJECT *NextOp; + ACPI_PARSE_OBJECT *Arg; + + + ACPI_FUNCTION_TRACE_PTR (DsEvalBankFieldOperands, Op); + + + /* + * This is where we evaluate the BankValue field of the + * BankField declaration + */ + + /* NextOp points to the op that holds the Region */ + + NextOp = Op->Common.Value.Arg; + + /* NextOp points to the op that holds the Bank Register */ + + NextOp = NextOp->Common.Next; + + /* NextOp points to the op that holds the Bank Value */ + + NextOp = NextOp->Common.Next; + + /* + * Set proper index into operand stack for AcpiDsObjStackPush + * invoked inside AcpiDsCreateOperand. + * + * We use WalkState->Operands[0] to store the evaluated BankValue + */ + WalkState->OperandIndex = 0; + + Status = AcpiDsCreateOperand (WalkState, NextOp, 0); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Status = AcpiExResolveToValue (&WalkState->Operands[0], WalkState); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, + AcpiPsGetOpcodeName (Op->Common.AmlOpcode), 1); + /* + * Get the BankValue operand and save it + * (at Top of stack) + */ + OperandDesc = WalkState->Operands[0]; + + /* Arg points to the start Bank Field */ + + Arg = AcpiPsGetArg (Op, 4); + while (Arg) + { + /* Ignore OFFSET and ACCESSAS terms here */ + + if (Arg->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP) + { + Node = Arg->Common.Node; + + ObjDesc = AcpiNsGetAttachedObject (Node); + if (!ObjDesc) + { + return_ACPI_STATUS (AE_NOT_EXIST); + } + + ObjDesc->BankField.Value = (UINT32) OperandDesc->Integer.Value; + } + + /* Move to next field in the list */ + + Arg = Arg->Common.Next; + } + + AcpiUtRemoveReference (OperandDesc); + return_ACPI_STATUS (Status); +} -- cgit v1.2.1