diff options
Diffstat (limited to 'sys/contrib/dev/acpica/dsopcode.c')
| -rw-r--r-- | sys/contrib/dev/acpica/dsopcode.c | 1263 |
1 files changed, 0 insertions, 1263 deletions
diff --git a/sys/contrib/dev/acpica/dsopcode.c b/sys/contrib/dev/acpica/dsopcode.c deleted file mode 100644 index a2ec1dd3c0e3..000000000000 --- a/sys/contrib/dev/acpica/dsopcode.c +++ /dev/null @@ -1,1263 +0,0 @@ -/****************************************************************************** - * - * Module Name: dsopcode - Dispatcher Op Region support and handling of - * "control" opcodes - * $Revision: 85 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2003, 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 __DSOPCODE_C__ - -#include "acpi.h" -#include "acparser.h" -#include "amlcode.h" -#include "acdispat.h" -#include "acinterp.h" -#include "acnamesp.h" -#include "acevents.h" - -#define _COMPONENT ACPI_DISPATCHER - ACPI_MODULE_NAME ("dsopcode") - - -/***************************************************************************** - * - * FUNCTION: AcpiDsExecuteArguments - * - * PARAMETERS: Node - Parent NS node - * AmlLength - Length of executable AML - * AmlStart - Pointer to the AML - * - * RETURN: Status. - * - * DESCRIPTION: Late execution of region or field arguments - * - ****************************************************************************/ - -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_PARSE_OBJECT *Arg; - - - ACPI_FUNCTION_TRACE ("AcpiDsExecuteArguments"); - - - /* - * 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 (TABLE_ID_DSDT, NULL, NULL, NULL); - if (!WalkState) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart, - AmlLength, NULL, NULL, 1); - if (ACPI_FAILURE (Status)) - { - AcpiDsDeleteWalkState (WalkState); - return_ACPI_STATUS (Status); - } - - WalkState->ParseFlags = ACPI_PARSE_DEFERRED_OP; - - /* Pass1: Parse the entire declaration */ - - Status = AcpiPsParseAml (WalkState); - if (ACPI_FAILURE (Status)) - { - AcpiPsDeleteParseTree (Op); - return_ACPI_STATUS (Status); - } - - /* Get and init the Op created above */ - - Arg = Op->Common.Value.Arg; - Op->Common.Node = Node; - Arg->Common.Node = Node; - AcpiPsDeleteParseTree (Op); - - /* Evaluate the address and length arguments for the Buffer Field */ - - 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 (TABLE_ID_DSDT, NULL, NULL, NULL); - if (!WalkState) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart, - AmlLength, NULL, NULL, 3); - if (ACPI_FAILURE (Status)) - { - AcpiDsDeleteWalkState (WalkState); - return_ACPI_STATUS (Status); - } - - Status = AcpiPsParseAml (WalkState); - 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 JIT Init\n", - Node->Name.Ascii)); - - /* Execute the AML code for the TermArg arguments */ - - Status = AcpiDsExecuteArguments (Node, AcpiNsGetParentNode (Node), - ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); - return_ACPI_STATUS (Status); -} - - -/***************************************************************************** - * - * FUNCTION: AcpiDsGetBufferArguments - * - * PARAMETERS: ObjDesc - A valid Bufferobject - * - * 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_DEBUG_PRINT ((ACPI_DB_ERROR, - "No pointer back to NS node in buffer %p\n", ObjDesc)); - return_ACPI_STATUS (AE_AML_INTERNAL); - } - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer JIT 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 Packageobject - * - * 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_DEBUG_PRINT ((ACPI_DB_ERROR, - "No pointer back to NS node in package %p\n", ObjDesc)); - return_ACPI_STATUS (AE_AML_INTERNAL); - } - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package JIT 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 Init at AML %p\n", - Node->Name.Ascii, ExtraDesc->Extra.AmlStart)); - - - Status = AcpiDsExecuteArguments (Node, AcpiNsGetParentNode (Node), - ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); - return_ACPI_STATUS (Status); -} - - -/***************************************************************************** - * - * FUNCTION: AcpiDsInitializeRegion - * - * PARAMETERS: Op - A valid region Op object - * - * 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 - * Length - Length of field (CREATE_FIELD_OP only) - * Result - Where to store the result - * - * RETURN: Status - * - * DESCRIPTION: Perform actual initialization of a buffer field - * - ****************************************************************************/ - -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 (ACPI_GET_OBJECT_TYPE (BufferDesc) != ACPI_TYPE_BUFFER) - { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Target of Create Field is not a Buffer object - %s\n", - 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_DEBUG_PRINT ((ACPI_DB_ERROR, "(%s) destination must be a NS Node\n", - AcpiPsGetOpcodeName (AmlOpcode))); - - 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 */ - - BitOffset = Offset; - BitCount = (UINT32) LengthDesc->Integer.Value; - FieldFlags = AML_FIELD_ACCESS_BYTE; - 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_DEBUG_PRINT ((ACPI_DB_ERROR, - "Unknown field creation opcode %02x\n", - 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_DEBUG_PRINT ((ACPI_DB_ERROR, - "Field size %d exceeds Buffer size %d (bits)\n", - BitOffset + BitCount, 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); - - ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, - AcpiPsGetOpcodeName (Op->Common.AmlOpcode), - WalkState->NumOperands, "after AcpiExResolveOperands"); - - if (ACPI_FAILURE (Status)) - { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(%s) bad operand(s) (%X)\n", - 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); - } - - ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, - AcpiPsGetOpcodeName (Op->Common.AmlOpcode), - 1, "after AcpiExResolveOperands"); - - 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_HIDWORD (ObjDesc->Region.Address), ACPI_LODWORD (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 objec 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 */ - - 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: AcpiDsExecBeginControlOp - * - * PARAMETERS: WalkList - The list that owns the walk stack - * Op - The control Op - * - * RETURN: Status - * - * DESCRIPTION: Handles all control ops encountered during control method - * execution. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsExecBeginControlOp ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT *Op) -{ - ACPI_STATUS Status = AE_OK; - ACPI_GENERIC_STATE *ControlState; - - - ACPI_FUNCTION_NAME ("DsExecBeginControlOp"); - - - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", Op, - Op->Common.AmlOpcode, WalkState)); - - switch (Op->Common.AmlOpcode) - { - case AML_IF_OP: - case AML_WHILE_OP: - - /* - * IF/WHILE: Create a new control state to manage these - * constructs. We need to manage these as a stack, in order - * to handle nesting. - */ - ControlState = AcpiUtCreateControlState (); - if (!ControlState) - { - Status = AE_NO_MEMORY; - break; - } - /* - * Save a pointer to the predicate for multiple executions - * of a loop - */ - ControlState->Control.AmlPredicateStart = WalkState->ParserState.Aml - 1; - ControlState->Control.PackageEnd = WalkState->ParserState.PkgEnd; - ControlState->Control.Opcode = Op->Common.AmlOpcode; - - - /* Push the control state on this walk's control stack */ - - AcpiUtPushGenericState (&WalkState->ControlState, ControlState); - break; - - case AML_ELSE_OP: - - /* Predicate is in the state object */ - /* If predicate is true, the IF was executed, ignore ELSE part */ - - if (WalkState->LastPredicate) - { - Status = AE_CTRL_TRUE; - } - - break; - - case AML_RETURN_OP: - - break; - - default: - break; - } - - return (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiDsExecEndControlOp - * - * PARAMETERS: WalkList - The list that owns the walk stack - * Op - The control Op - * - * RETURN: Status - * - * DESCRIPTION: Handles all control ops encountered during control method - * execution. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDsExecEndControlOp ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT *Op) -{ - ACPI_STATUS Status = AE_OK; - ACPI_GENERIC_STATE *ControlState; - - - ACPI_FUNCTION_NAME ("DsExecEndControlOp"); - - - switch (Op->Common.AmlOpcode) - { - case AML_IF_OP: - - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[IF_OP] Op=%p\n", Op)); - - /* - * Save the result of the predicate in case there is an - * ELSE to come - */ - WalkState->LastPredicate = - (BOOLEAN) WalkState->ControlState->Common.Value; - - /* - * Pop the control state that was created at the start - * of the IF and free it - */ - ControlState = AcpiUtPopGenericState (&WalkState->ControlState); - AcpiUtDeleteGenericState (ControlState); - break; - - - case AML_ELSE_OP: - - break; - - - case AML_WHILE_OP: - - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", Op)); - - if (WalkState->ControlState->Common.Value) - { - /* Predicate was true, go back and evaluate it again! */ - - Status = AE_CTRL_PENDING; - } - - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] termination! Op=%p\n", Op)); - - /* Pop this control state and free it */ - - ControlState = AcpiUtPopGenericState (&WalkState->ControlState); - - WalkState->AmlLastWhile = ControlState->Control.AmlPredicateStart; - AcpiUtDeleteGenericState (ControlState); - break; - - - case AML_RETURN_OP: - - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "[RETURN_OP] Op=%p Arg=%p\n",Op, Op->Common.Value.Arg)); - - /* - * One optional operand -- the return value - * It can be either an immediate operand or a result that - * has been bubbled up the tree - */ - if (Op->Common.Value.Arg) - { - /* Return statement has an immediate operand */ - - Status = AcpiDsCreateOperands (WalkState, Op->Common.Value.Arg); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - /* - * If value being returned is a Reference (such as - * an arg or local), resolve it now because it may - * cease to exist at the end of the method. - */ - Status = AcpiExResolveToValue (&WalkState->Operands [0], WalkState); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - /* - * Get the return value and save as the last result - * value. This is the only place where WalkState->ReturnDesc - * is set to anything other than zero! - */ - WalkState->ReturnDesc = WalkState->Operands[0]; - } - else if ((WalkState->Results) && - (WalkState->Results->Results.NumResults > 0)) - { - /* - * The return value has come from a previous calculation. - * - * If value being returned is a Reference (such as - * an arg or local), resolve it now because it may - * cease to exist at the end of the method. - * - * Allow references created by the Index operator to return unchanged. - */ - if ((ACPI_GET_DESCRIPTOR_TYPE (WalkState->Results->Results.ObjDesc[0]) == ACPI_DESC_TYPE_OPERAND) && - (ACPI_GET_OBJECT_TYPE (WalkState->Results->Results.ObjDesc [0]) == ACPI_TYPE_LOCAL_REFERENCE) && - ((WalkState->Results->Results.ObjDesc [0])->Reference.Opcode != AML_INDEX_OP)) - { - Status = AcpiExResolveToValue (&WalkState->Results->Results.ObjDesc [0], WalkState); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - } - - WalkState->ReturnDesc = WalkState->Results->Results.ObjDesc [0]; - } - else - { - /* No return operand */ - - if (WalkState->NumOperands) - { - AcpiUtRemoveReference (WalkState->Operands [0]); - } - - WalkState->Operands [0] = NULL; - WalkState->NumOperands = 0; - WalkState->ReturnDesc = NULL; - } - - - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "Completed RETURN_OP State=%p, RetVal=%p\n", - WalkState, WalkState->ReturnDesc)); - - /* End the control method execution right now */ - - Status = AE_CTRL_TERMINATE; - break; - - - case AML_NOOP_OP: - - /* Just do nothing! */ - break; - - - case AML_BREAK_POINT_OP: - - /* Call up to the OS service layer to handle this */ - - Status = AcpiOsSignal (ACPI_SIGNAL_BREAKPOINT, "Executed AML Breakpoint opcode"); - - /* If and when it returns, all done. */ - - break; - - - case AML_BREAK_OP: - case AML_CONTINUE_OP: /* ACPI 2.0 */ - - - /* Pop and delete control states until we find a while */ - - while (WalkState->ControlState && - (WalkState->ControlState->Control.Opcode != AML_WHILE_OP)) - { - ControlState = AcpiUtPopGenericState (&WalkState->ControlState); - AcpiUtDeleteGenericState (ControlState); - } - - /* No while found? */ - - if (!WalkState->ControlState) - { - return (AE_AML_NO_WHILE); - } - - /* Was: WalkState->AmlLastWhile = WalkState->ControlState->Control.AmlPredicateStart; */ - - WalkState->AmlLastWhile = WalkState->ControlState->Control.PackageEnd; - - /* Return status depending on opcode */ - - if (Op->Common.AmlOpcode == AML_BREAK_OP) - { - Status = AE_CTRL_BREAK; - } - else - { - Status = AE_CTRL_CONTINUE; - } - break; - - - default: - - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown control opcode=%X Op=%p\n", - Op->Common.AmlOpcode, Op)); - - Status = AE_AML_BAD_OPCODE; - break; - } - - return (Status); -} - |