acpica/dispatcher/dsopcode.c

db2bae30SDana Myers/******************************************************************************
db2bae30SDana Myers *
*de5d74c2SJerry Jelinek * Module Name: dsopcode - Dispatcher support for regions and fields
db2bae30SDana Myers *
db2bae30SDana Myers *****************************************************************************/
db2bae30SDana Myers
26f3cdf0SGordon Ross/*
*de5d74c2SJerry Jelinek * Copyright (C) 2000 - 2016, Intel Corp.
db2bae30SDana Myers * All rights reserved.
db2bae30SDana Myers *
26f3cdf0SGordon Ross * Redistribution and use in source and binary forms, with or without
26f3cdf0SGordon Ross * modification, are permitted provided that the following conditions
26f3cdf0SGordon Ross * are met:
26f3cdf0SGordon Ross * 1. Redistributions of source code must retain the above copyright
26f3cdf0SGordon Ross *    notice, this list of conditions, and the following disclaimer,
26f3cdf0SGordon Ross *    without modification.
26f3cdf0SGordon Ross * 2. Redistributions in binary form must reproduce at minimum a disclaimer
26f3cdf0SGordon Ross *    substantially similar to the "NO WARRANTY" disclaimer below
26f3cdf0SGordon Ross *    ("Disclaimer") and any redistribution must be conditioned upon
26f3cdf0SGordon Ross *    including a substantially similar Disclaimer requirement for further
26f3cdf0SGordon Ross *    binary redistribution.
26f3cdf0SGordon Ross * 3. Neither the names of the above-listed copyright holders nor the names
26f3cdf0SGordon Ross *    of any contributors may be used to endorse or promote products derived
26f3cdf0SGordon Ross *    from this software without specific prior written permission.
db2bae30SDana Myers *
26f3cdf0SGordon Ross * Alternatively, this software may be distributed under the terms of the
26f3cdf0SGordon Ross * GNU General Public License ("GPL") version 2 as published by the Free
26f3cdf0SGordon Ross * Software Foundation.
db2bae30SDana Myers *
26f3cdf0SGordon Ross * NO WARRANTY
26f3cdf0SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26f3cdf0SGordon Ross * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26f3cdf0SGordon Ross * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
26f3cdf0SGordon Ross * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26f3cdf0SGordon Ross * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26f3cdf0SGordon Ross * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26f3cdf0SGordon Ross * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26f3cdf0SGordon Ross * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26f3cdf0SGordon Ross * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
26f3cdf0SGordon Ross * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26f3cdf0SGordon Ross * POSSIBILITY OF SUCH DAMAGES.
26f3cdf0SGordon Ross */
db2bae30SDana Myers
db2bae30SDana Myers#include "acpi.h"
aa2aa9a6SDana Myers#include "accommon.h"
db2bae30SDana Myers#include "acparser.h"
db2bae30SDana Myers#include "amlcode.h"
db2bae30SDana Myers#include "acdispat.h"
db2bae30SDana Myers#include "acinterp.h"
db2bae30SDana Myers#include "acnamesp.h"
db2bae30SDana Myers#include "acevents.h"
db2bae30SDana Myers#include "actables.h"
db2bae30SDana Myers
db2bae30SDana Myers#define _COMPONENT          ACPI_DISPATCHER
db2bae30SDana Myers        ACPI_MODULE_NAME    ("dsopcode")
db2bae30SDana Myers
db2bae30SDana Myers/* Local prototypes */
db2bae30SDana Myers
db2bae30SDana Myersstatic ACPI_STATUS
db2bae30SDana MyersAcpiDsInitBufferField (
db2bae30SDana Myers    UINT16                  AmlOpcode,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *BufferDesc,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *OffsetDesc,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *LengthDesc,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ResultDesc);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiDsInitializeRegion
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  ObjHandle       - Region namespace node
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Front end to EvInitializeRegion
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiDsInitializeRegion (
db2bae30SDana Myers    ACPI_HANDLE             ObjHandle)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiNsGetAttachedObject (ObjHandle);
db2bae30SDana Myers
db2bae30SDana Myers    /* Namespace is NOT locked */
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiEvInitializeRegion (ObjDesc, FALSE);
db2bae30SDana Myers    return (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiDsInitBufferField
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  AmlOpcode       - CreateXxxField
db2bae30SDana Myers *              ObjDesc         - BufferField object
db2bae30SDana Myers *              BufferDesc      - Host Buffer
db2bae30SDana Myers *              OffsetDesc      - Offset into buffer
db2bae30SDana Myers *              LengthDesc      - Length of field (CREATE_FIELD_OP only)
db2bae30SDana Myers *              ResultDesc      - Where to store the result
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Perform actual initialization of a buffer field
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana Myersstatic ACPI_STATUS
db2bae30SDana MyersAcpiDsInitBufferField (
db2bae30SDana Myers    UINT16                  AmlOpcode,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *BufferDesc,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *OffsetDesc,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *LengthDesc,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ResultDesc)
db2bae30SDana Myers{
db2bae30SDana Myers    UINT32                  Offset;
db2bae30SDana Myers    UINT32                  BitOffset;
db2bae30SDana Myers    UINT32                  BitCount;
db2bae30SDana Myers    UINT8                   FieldFlags;
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE_PTR (DsInitBufferField, ObjDesc);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /* Host object must be a Buffer */
db2bae30SDana Myers
aa2aa9a6SDana Myers    if (BufferDesc->Common.Type != ACPI_TYPE_BUFFER)
db2bae30SDana Myers    {
db2bae30SDana Myers        ACPI_ERROR ((AE_INFO,
db2bae30SDana Myers            "Target of Create Field is not a Buffer object - %s",
db2bae30SDana Myers            AcpiUtGetObjectTypeName (BufferDesc)));
db2bae30SDana Myers
db2bae30SDana Myers        Status = AE_AML_OPERAND_TYPE;
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * The last parameter to all of these opcodes (ResultDesc) started
db2bae30SDana Myers     * out as a NameString, and should therefore now be a NS node
db2bae30SDana Myers     * after resolution in AcpiExResolveOperands().
db2bae30SDana Myers     */
db2bae30SDana Myers    if (ACPI_GET_DESCRIPTOR_TYPE (ResultDesc) != ACPI_DESC_TYPE_NAMED)
db2bae30SDana Myers    {
db2bae30SDana Myers        ACPI_ERROR ((AE_INFO,
db2bae30SDana Myers            "(%s) destination not a NS Node [%s]",
db2bae30SDana Myers            AcpiPsGetOpcodeName (AmlOpcode),
db2bae30SDana Myers            AcpiUtGetDescriptorName (ResultDesc)));
db2bae30SDana Myers
db2bae30SDana Myers        Status = AE_AML_OPERAND_TYPE;
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    Offset = (UINT32) OffsetDesc->Integer.Value;
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Setup the Bit offsets and counts, according to the opcode
db2bae30SDana Myers     */
db2bae30SDana Myers    switch (AmlOpcode)
db2bae30SDana Myers    {
db2bae30SDana Myers    case AML_CREATE_FIELD_OP:
db2bae30SDana Myers
db2bae30SDana Myers        /* Offset is in bits, count is in bits */
db2bae30SDana Myers
db2bae30SDana Myers        FieldFlags = AML_FIELD_ACCESS_BYTE;
db2bae30SDana Myers        BitOffset  = Offset;
db2bae30SDana Myers        BitCount   = (UINT32) LengthDesc->Integer.Value;
db2bae30SDana Myers
db2bae30SDana Myers        /* Must have a valid (>0) bit count */
db2bae30SDana Myers
db2bae30SDana Myers        if (BitCount == 0)
db2bae30SDana Myers        {
db2bae30SDana Myers            ACPI_ERROR ((AE_INFO,
db2bae30SDana Myers                "Attempt to CreateField of length zero"));
db2bae30SDana Myers            Status = AE_AML_OPERAND_VALUE;
db2bae30SDana Myers            goto Cleanup;
db2bae30SDana Myers        }
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    case AML_CREATE_BIT_FIELD_OP:
db2bae30SDana Myers
db2bae30SDana Myers        /* Offset is in bits, Field is one bit */
db2bae30SDana Myers
db2bae30SDana Myers        BitOffset  = Offset;
db2bae30SDana Myers        BitCount   = 1;
db2bae30SDana Myers        FieldFlags = AML_FIELD_ACCESS_BYTE;
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    case AML_CREATE_BYTE_FIELD_OP:
db2bae30SDana Myers
db2bae30SDana Myers        /* Offset is in bytes, field is one byte */
db2bae30SDana Myers
db2bae30SDana Myers        BitOffset  = 8 * Offset;
db2bae30SDana Myers        BitCount   = 8;
db2bae30SDana Myers        FieldFlags = AML_FIELD_ACCESS_BYTE;
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    case AML_CREATE_WORD_FIELD_OP:
db2bae30SDana Myers
db2bae30SDana Myers        /* Offset is in bytes, field is one word */
db2bae30SDana Myers
db2bae30SDana Myers        BitOffset  = 8 * Offset;
db2bae30SDana Myers        BitCount   = 16;
db2bae30SDana Myers        FieldFlags = AML_FIELD_ACCESS_WORD;
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    case AML_CREATE_DWORD_FIELD_OP:
db2bae30SDana Myers
db2bae30SDana Myers        /* Offset is in bytes, field is one dword */
db2bae30SDana Myers
db2bae30SDana Myers        BitOffset  = 8 * Offset;
db2bae30SDana Myers        BitCount   = 32;
db2bae30SDana Myers        FieldFlags = AML_FIELD_ACCESS_DWORD;
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    case AML_CREATE_QWORD_FIELD_OP:
db2bae30SDana Myers
db2bae30SDana Myers        /* Offset is in bytes, field is one qword */
db2bae30SDana Myers
db2bae30SDana Myers        BitOffset  = 8 * Offset;
db2bae30SDana Myers        BitCount   = 64;
db2bae30SDana Myers        FieldFlags = AML_FIELD_ACCESS_QWORD;
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    default:
db2bae30SDana Myers
db2bae30SDana Myers        ACPI_ERROR ((AE_INFO,
26f3cdf0SGordon Ross            "Unknown field creation opcode 0x%02X",
db2bae30SDana Myers            AmlOpcode));
db2bae30SDana Myers        Status = AE_AML_BAD_OPCODE;
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Entire field must fit within the current length of the buffer */
db2bae30SDana Myers
db2bae30SDana Myers    if ((BitOffset + BitCount) >
db2bae30SDana Myers        (8 * (UINT32) BufferDesc->Buffer.Length))
db2bae30SDana Myers    {
db2bae30SDana Myers        ACPI_ERROR ((AE_INFO,
26f3cdf0SGordon Ross            "Field [%4.4s] at %u exceeds Buffer [%4.4s] size %u (bits)",
db2bae30SDana Myers            AcpiUtGetNodeName (ResultDesc),
db2bae30SDana Myers            BitOffset + BitCount,
db2bae30SDana Myers            AcpiUtGetNodeName (BufferDesc->Buffer.Node),
db2bae30SDana Myers            8 * (UINT32) BufferDesc->Buffer.Length));
db2bae30SDana Myers        Status = AE_AML_BUFFER_LIMIT;
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Initialize areas of the field object that are common to all fields
db2bae30SDana Myers     * For FieldFlags, use LOCK_RULE = 0 (NO_LOCK),
db2bae30SDana Myers     * UPDATE_RULE = 0 (UPDATE_PRESERVE)
db2bae30SDana Myers     */
*de5d74c2SJerry Jelinek    Status = AcpiExPrepCommonFieldObject (
*de5d74c2SJerry Jelinek        ObjDesc, FieldFlags, 0, BitOffset, BitCount);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc->BufferField.BufferObj = BufferDesc;
db2bae30SDana Myers
db2bae30SDana Myers    /* Reference count for BufferDesc inherits ObjDesc count */
db2bae30SDana Myers
db2bae30SDana Myers    BufferDesc->Common.ReferenceCount = (UINT16)
db2bae30SDana Myers        (BufferDesc->Common.ReferenceCount + ObjDesc->Common.ReferenceCount);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana MyersCleanup:
db2bae30SDana Myers
db2bae30SDana Myers    /* Always delete the operands */
db2bae30SDana Myers
db2bae30SDana Myers    AcpiUtRemoveReference (OffsetDesc);
db2bae30SDana Myers    AcpiUtRemoveReference (BufferDesc);
db2bae30SDana Myers
db2bae30SDana Myers    if (AmlOpcode == AML_CREATE_FIELD_OP)
db2bae30SDana Myers    {
db2bae30SDana Myers        AcpiUtRemoveReference (LengthDesc);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* On failure, delete the result descriptor */
db2bae30SDana Myers
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        AcpiUtRemoveReference (ResultDesc);     /* Result descriptor */
db2bae30SDana Myers    }
db2bae30SDana Myers    else
db2bae30SDana Myers    {
db2bae30SDana Myers        /* Now the address and length are valid for this BufferField */
db2bae30SDana Myers
db2bae30SDana Myers        ObjDesc->BufferField.Flags |= AOPOBJ_DATA_VALID;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiDsEvalBufferFieldOperands
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState       - Current walk
db2bae30SDana Myers *              Op              - A valid BufferField Op object
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Get BufferField Buffer and Index
db2bae30SDana Myers *              Called from AcpiDsExecEndOp during BufferField parse tree walk
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiDsEvalBufferFieldOperands (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState,
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *Op)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers    ACPI_NAMESPACE_NODE     *Node;
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *NextOp;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE_PTR (DsEvalBufferFieldOperands, Op);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * This is where we evaluate the address and length fields of the
db2bae30SDana Myers     * CreateXxxField declaration
db2bae30SDana Myers     */
db2bae30SDana Myers    Node =  Op->Common.Node;
db2bae30SDana Myers
db2bae30SDana Myers    /* NextOp points to the op that holds the Buffer */
db2bae30SDana Myers
db2bae30SDana Myers    NextOp = Op->Common.Value.Arg;
db2bae30SDana Myers
db2bae30SDana Myers    /* Evaluate/create the address and length operands */
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiDsCreateOperands (WalkState, NextOp);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiNsGetAttachedObject (Node);
db2bae30SDana Myers    if (!ObjDesc)
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (AE_NOT_EXIST);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Resolve the operands */
db2bae30SDana Myers
*de5d74c2SJerry Jelinek    Status = AcpiExResolveOperands (
*de5d74c2SJerry Jelinek        Op->Common.AmlOpcode, ACPI_WALK_OPERANDS, WalkState);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
26f3cdf0SGordon Ross        ACPI_ERROR ((AE_INFO, "(%s) bad operand(s), status 0x%X",
db2bae30SDana Myers            AcpiPsGetOpcodeName (Op->Common.AmlOpcode), Status));
db2bae30SDana Myers
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Initialize the Buffer Field */
db2bae30SDana Myers
db2bae30SDana Myers    if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
db2bae30SDana Myers    {
db2bae30SDana Myers        /* NOTE: Slightly different operands for this opcode */
db2bae30SDana Myers
db2bae30SDana Myers        Status = AcpiDsInitBufferField (Op->Common.AmlOpcode, ObjDesc,
db2bae30SDana Myers            WalkState->Operands[0], WalkState->Operands[1],
db2bae30SDana Myers            WalkState->Operands[2], WalkState->Operands[3]);
db2bae30SDana Myers    }
db2bae30SDana Myers    else
db2bae30SDana Myers    {
db2bae30SDana Myers        /* All other, CreateXxxField opcodes */
db2bae30SDana Myers
db2bae30SDana Myers        Status = AcpiDsInitBufferField (Op->Common.AmlOpcode, ObjDesc,
db2bae30SDana Myers            WalkState->Operands[0], WalkState->Operands[1],
db2bae30SDana Myers            NULL, WalkState->Operands[2]);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiDsEvalRegionOperands
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState       - Current walk
db2bae30SDana Myers *              Op              - A valid region Op object
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Get region address and length
db2bae30SDana Myers *              Called from AcpiDsExecEndOp during OpRegion parse tree walk
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiDsEvalRegionOperands (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState,
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *Op)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *OperandDesc;
db2bae30SDana Myers    ACPI_NAMESPACE_NODE     *Node;
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *NextOp;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE_PTR (DsEvalRegionOperands, Op);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * This is where we evaluate the address and length fields of the
db2bae30SDana Myers     * OpRegion declaration
db2bae30SDana Myers     */
db2bae30SDana Myers    Node =  Op->Common.Node;
db2bae30SDana Myers
db2bae30SDana Myers    /* NextOp points to the op that holds the SpaceID */
db2bae30SDana Myers
db2bae30SDana Myers    NextOp = Op->Common.Value.Arg;
db2bae30SDana Myers
db2bae30SDana Myers    /* NextOp points to address op */
db2bae30SDana Myers
db2bae30SDana Myers    NextOp = NextOp->Common.Next;
db2bae30SDana Myers
db2bae30SDana Myers    /* Evaluate/create the address and length operands */
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiDsCreateOperands (WalkState, NextOp);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Resolve the length and address operands to numbers */
db2bae30SDana Myers
*de5d74c2SJerry Jelinek    Status = AcpiExResolveOperands (
*de5d74c2SJerry Jelinek        Op->Common.AmlOpcode, ACPI_WALK_OPERANDS, WalkState);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiNsGetAttachedObject (Node);
db2bae30SDana Myers    if (!ObjDesc)
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (AE_NOT_EXIST);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Get the length operand and save it
db2bae30SDana Myers     * (at Top of stack)
db2bae30SDana Myers     */
db2bae30SDana Myers    OperandDesc = WalkState->Operands[WalkState->NumOperands - 1];
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc->Region.Length = (UINT32) OperandDesc->Integer.Value;
db2bae30SDana Myers    AcpiUtRemoveReference (OperandDesc);
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Get the address and save it
db2bae30SDana Myers     * (at top of stack - 1)
db2bae30SDana Myers     */
db2bae30SDana Myers    OperandDesc = WalkState->Operands[WalkState->NumOperands - 2];
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS)
db2bae30SDana Myers        OperandDesc->Integer.Value;
db2bae30SDana Myers    AcpiUtRemoveReference (OperandDesc);
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
*de5d74c2SJerry Jelinek        ObjDesc, ACPI_FORMAT_UINT64 (ObjDesc->Region.Address),
db2bae30SDana Myers        ObjDesc->Region.Length));
db2bae30SDana Myers
db2bae30SDana Myers    /* Now the address and length are valid for this opregion */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID;
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiDsEvalTableRegionOperands
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState       - Current walk
db2bae30SDana Myers *              Op              - A valid region Op object
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
26f3cdf0SGordon Ross * DESCRIPTION: Get region address and length.
26f3cdf0SGordon Ross *              Called from AcpiDsExecEndOp during DataTableRegion parse
26f3cdf0SGordon Ross *              tree walk.
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiDsEvalTableRegionOperands (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState,
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *Op)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     **Operand;
db2bae30SDana Myers    ACPI_NAMESPACE_NODE     *Node;
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *NextOp;
db2bae30SDana Myers    ACPI_TABLE_HEADER       *Table;
*de5d74c2SJerry Jelinek    UINT32                  TableIndex;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE_PTR (DsEvalTableRegionOperands, Op);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /*
*de5d74c2SJerry Jelinek     * This is where we evaluate the Signature string, OemId string,
*de5d74c2SJerry Jelinek     * and OemTableId string of the Data Table Region declaration
db2bae30SDana Myers     */
db2bae30SDana Myers    Node =  Op->Common.Node;
db2bae30SDana Myers
*de5d74c2SJerry Jelinek    /* NextOp points to Signature string op */
db2bae30SDana Myers
db2bae30SDana Myers    NextOp = Op->Common.Value.Arg;
db2bae30SDana Myers
db2bae30SDana Myers    /*
*de5d74c2SJerry Jelinek     * Evaluate/create the Signature string, OemId string,
*de5d74c2SJerry Jelinek     * and OemTableId string operands
db2bae30SDana Myers     */
db2bae30SDana Myers    Status = AcpiDsCreateOperands (WalkState, NextOp);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
*de5d74c2SJerry Jelinek    Operand = &WalkState->Operands[0];
*de5d74c2SJerry Jelinek
db2bae30SDana Myers    /*
*de5d74c2SJerry Jelinek     * Resolve the Signature string, OemId string,
*de5d74c2SJerry Jelinek     * and OemTableId string operands
db2bae30SDana Myers     */
*de5d74c2SJerry Jelinek    Status = AcpiExResolveOperands (
*de5d74c2SJerry Jelinek        Op->Common.AmlOpcode, ACPI_WALK_OPERANDS, WalkState);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
*de5d74c2SJerry Jelinek        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Find the ACPI table */
db2bae30SDana Myers
*de5d74c2SJerry Jelinek    Status = AcpiTbFindTable (
*de5d74c2SJerry Jelinek        Operand[0]->String.Pointer,
*de5d74c2SJerry Jelinek        Operand[1]->String.Pointer,
*de5d74c2SJerry Jelinek        Operand[2]->String.Pointer, &TableIndex);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
*de5d74c2SJerry Jelinek        if (Status == AE_NOT_FOUND)
*de5d74c2SJerry Jelinek        {
*de5d74c2SJerry Jelinek            ACPI_ERROR ((AE_INFO,
*de5d74c2SJerry Jelinek                "ACPI Table [%4.4s] OEM:(%s, %s) not found in RSDT/XSDT",
*de5d74c2SJerry Jelinek                Operand[0]->String.Pointer,
*de5d74c2SJerry Jelinek                Operand[1]->String.Pointer,
*de5d74c2SJerry Jelinek                Operand[2]->String.Pointer));
db2bae30SDana Myers        }
*de5d74c2SJerry Jelinek        goto Cleanup;
*de5d74c2SJerry Jelinek    }
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiGetTableByIndex (TableIndex, &Table);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
*de5d74c2SJerry Jelinek        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiNsGetAttachedObject (Node);
db2bae30SDana Myers    if (!ObjDesc)
db2bae30SDana Myers    {
*de5d74c2SJerry Jelinek        Status = AE_NOT_EXIST;
*de5d74c2SJerry Jelinek        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
*de5d74c2SJerry Jelinek    ObjDesc->Region.Address = ACPI_PTR_TO_PHYSADDR (Table);
db2bae30SDana Myers    ObjDesc->Region.Length = Table->Length;
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
*de5d74c2SJerry Jelinek        ObjDesc, ACPI_FORMAT_UINT64 (ObjDesc->Region.Address),
db2bae30SDana Myers        ObjDesc->Region.Length));
db2bae30SDana Myers
db2bae30SDana Myers    /* Now the address and length are valid for this opregion */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID;
db2bae30SDana Myers
*de5d74c2SJerry JelinekCleanup:
*de5d74c2SJerry Jelinek    AcpiUtRemoveReference (Operand[0]);
*de5d74c2SJerry Jelinek    AcpiUtRemoveReference (Operand[1]);
*de5d74c2SJerry Jelinek    AcpiUtRemoveReference (Operand[2]);
*de5d74c2SJerry Jelinek
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiDsEvalDataObjectOperands
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState       - Current walk
db2bae30SDana Myers *              Op              - A valid DataObject Op object
db2bae30SDana Myers *              ObjDesc         - DataObject
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Get the operands and complete the following data object types:
db2bae30SDana Myers *              Buffer, Package.
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiDsEvalDataObjectOperands (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState,
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *Op,
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ArgDesc;
db2bae30SDana Myers    UINT32                  Length;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE (DsEvalDataObjectOperands);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /* The first operand (for all of these data objects) is the length */
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Set proper index into operand stack for AcpiDsObjStackPush
db2bae30SDana Myers     * invoked inside AcpiDsCreateOperand.
db2bae30SDana Myers     */
db2bae30SDana Myers    WalkState->OperandIndex = WalkState->NumOperands;
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiDsCreateOperand (WalkState, Op->Common.Value.Arg, 1);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiExResolveOperands (WalkState->Opcode,
db2bae30SDana Myers        &(WalkState->Operands [WalkState->NumOperands -1]),
db2bae30SDana Myers        WalkState);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Extract length operand */
db2bae30SDana Myers
db2bae30SDana Myers    ArgDesc = WalkState->Operands [WalkState->NumOperands - 1];
db2bae30SDana Myers    Length = (UINT32) ArgDesc->Integer.Value;
db2bae30SDana Myers
db2bae30SDana Myers    /* Cleanup for length operand */
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiDsObjStackPop (1, WalkState);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    AcpiUtRemoveReference (ArgDesc);
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Create the actual data object
db2bae30SDana Myers     */
db2bae30SDana Myers    switch (Op->Common.AmlOpcode)
db2bae30SDana Myers    {
db2bae30SDana Myers    case AML_BUFFER_OP:
db2bae30SDana Myers
*de5d74c2SJerry Jelinek        Status = AcpiDsBuildInternalBufferObj (
*de5d74c2SJerry Jelinek            WalkState, Op, Length, &ObjDesc);
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    case AML_PACKAGE_OP:
db2bae30SDana Myers    case AML_VAR_PACKAGE_OP:
db2bae30SDana Myers
*de5d74c2SJerry Jelinek        Status = AcpiDsBuildInternalPackageObj (
*de5d74c2SJerry Jelinek            WalkState, Op, Length, &ObjDesc);
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    default:
*de5d74c2SJerry Jelinek
db2bae30SDana Myers        return_ACPI_STATUS (AE_AML_BAD_OPCODE);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    if (ACPI_SUCCESS (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        /*
db2bae30SDana Myers         * Return the object in the WalkState, unless the parent is a package -
db2bae30SDana Myers         * in this case, the return object will be stored in the parse tree
db2bae30SDana Myers         * for the package.
db2bae30SDana Myers         */
db2bae30SDana Myers        if ((!Op->Common.Parent) ||
db2bae30SDana Myers            ((Op->Common.Parent->Common.AmlOpcode != AML_PACKAGE_OP) &&
db2bae30SDana Myers             (Op->Common.Parent->Common.AmlOpcode != AML_VAR_PACKAGE_OP) &&
db2bae30SDana Myers             (Op->Common.Parent->Common.AmlOpcode != AML_NAME_OP)))
db2bae30SDana Myers        {
db2bae30SDana Myers            WalkState->ResultObj = ObjDesc;
db2bae30SDana Myers        }
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiDsEvalBankFieldOperands
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState       - Current walk
db2bae30SDana Myers *              Op              - A valid BankField Op object
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Get BankField BankValue
db2bae30SDana Myers *              Called from AcpiDsExecEndOp during BankField parse tree walk
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiDsEvalBankFieldOperands (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState,
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *Op)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *OperandDesc;
db2bae30SDana Myers    ACPI_NAMESPACE_NODE     *Node;
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *NextOp;
db2bae30SDana Myers    ACPI_PARSE_OBJECT       *Arg;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE_PTR (DsEvalBankFieldOperands, Op);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * This is where we evaluate the BankValue field of the
db2bae30SDana Myers     * BankField declaration
db2bae30SDana Myers     */
db2bae30SDana Myers
db2bae30SDana Myers    /* NextOp points to the op that holds the Region */
db2bae30SDana Myers
db2bae30SDana Myers    NextOp = Op->Common.Value.Arg;
db2bae30SDana Myers
db2bae30SDana Myers    /* NextOp points to the op that holds the Bank Register */
db2bae30SDana Myers
db2bae30SDana Myers    NextOp = NextOp->Common.Next;
db2bae30SDana Myers
db2bae30SDana Myers    /* NextOp points to the op that holds the Bank Value */
db2bae30SDana Myers
db2bae30SDana Myers    NextOp = NextOp->Common.Next;
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Set proper index into operand stack for AcpiDsObjStackPush
db2bae30SDana Myers     * invoked inside AcpiDsCreateOperand.
db2bae30SDana Myers     *
db2bae30SDana Myers     * We use WalkState->Operands[0] to store the evaluated BankValue
db2bae30SDana Myers     */
db2bae30SDana Myers    WalkState->OperandIndex = 0;
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiDsCreateOperand (WalkState, NextOp, 0);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiExResolveToValue (&WalkState->Operands[0], WalkState);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (Status);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS,
db2bae30SDana Myers        AcpiPsGetOpcodeName (Op->Common.AmlOpcode), 1);
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Get the BankValue operand and save it
db2bae30SDana Myers     * (at Top of stack)
db2bae30SDana Myers     */
db2bae30SDana Myers    OperandDesc = WalkState->Operands[0];
db2bae30SDana Myers
db2bae30SDana Myers    /* Arg points to the start Bank Field */
db2bae30SDana Myers
db2bae30SDana Myers    Arg = AcpiPsGetArg (Op, 4);
db2bae30SDana Myers    while (Arg)
db2bae30SDana Myers    {
db2bae30SDana Myers        /* Ignore OFFSET and ACCESSAS terms here */
db2bae30SDana Myers
db2bae30SDana Myers        if (Arg->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
db2bae30SDana Myers        {
db2bae30SDana Myers            Node = Arg->Common.Node;
db2bae30SDana Myers
db2bae30SDana Myers            ObjDesc = AcpiNsGetAttachedObject (Node);
db2bae30SDana Myers            if (!ObjDesc)
db2bae30SDana Myers            {
db2bae30SDana Myers                return_ACPI_STATUS (AE_NOT_EXIST);
db2bae30SDana Myers            }
db2bae30SDana Myers
db2bae30SDana Myers            ObjDesc->BankField.Value = (UINT32) OperandDesc->Integer.Value;
db2bae30SDana Myers        }
db2bae30SDana Myers
db2bae30SDana Myers        /* Move to next field in the list */
db2bae30SDana Myers
db2bae30SDana Myers        Arg = Arg->Common.Next;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    AcpiUtRemoveReference (OperandDesc);
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}