diff options
Diffstat (limited to 'usr/src/common/acpica/dispatcher/dsopcode.c')
-rw-r--r-- | usr/src/common/acpica/dispatcher/dsopcode.c | 817 |
1 files changed, 817 insertions, 0 deletions
diff --git a/usr/src/common/acpica/dispatcher/dsopcode.c b/usr/src/common/acpica/dispatcher/dsopcode.c new file mode 100644 index 0000000000..1c6b342570 --- /dev/null +++ b/usr/src/common/acpica/dispatcher/dsopcode.c @@ -0,0 +1,817 @@ +/****************************************************************************** + * + * Module Name: dsopcode - Dispatcher support for regions and fields + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2016, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#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_UINT64 (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; + ACPI_TABLE_HEADER *Table; + UINT32 TableIndex; + + + 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); + } + + Operand = &WalkState->Operands[0]; + + /* + * Resolve the Signature string, OemId string, + * and OemTableId string operands + */ + Status = AcpiExResolveOperands ( + Op->Common.AmlOpcode, ACPI_WALK_OPERANDS, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + /* Find the ACPI table */ + + Status = AcpiTbFindTable ( + Operand[0]->String.Pointer, + Operand[1]->String.Pointer, + Operand[2]->String.Pointer, &TableIndex); + if (ACPI_FAILURE (Status)) + { + if (Status == AE_NOT_FOUND) + { + ACPI_ERROR ((AE_INFO, + "ACPI Table [%4.4s] OEM:(%s, %s) not found in RSDT/XSDT", + Operand[0]->String.Pointer, + Operand[1]->String.Pointer, + Operand[2]->String.Pointer)); + } + goto Cleanup; + } + + Status = AcpiGetTableByIndex (TableIndex, &Table); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + ObjDesc = AcpiNsGetAttachedObject (Node); + if (!ObjDesc) + { + Status = AE_NOT_EXIST; + goto Cleanup; + } + + ObjDesc->Region.Address = ACPI_PTR_TO_PHYSADDR (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_UINT64 (ObjDesc->Region.Address), + ObjDesc->Region.Length)); + + /* Now the address and length are valid for this opregion */ + + ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID; + +Cleanup: + AcpiUtRemoveReference (Operand[0]); + AcpiUtRemoveReference (Operand[1]); + AcpiUtRemoveReference (Operand[2]); + + 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); +} |