acpica/executer/excreate.c

db2bae30SDana Myers/******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * Module Name: excreate - Named object creation
db2bae30SDana Myers *
db2bae30SDana Myers *****************************************************************************/
db2bae30SDana Myers
26f3cdf0SGordon Ross/*
*385cc6b4SJerry 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 "acinterp.h"
db2bae30SDana Myers#include "amlcode.h"
db2bae30SDana Myers#include "acnamesp.h"
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers#define _COMPONENT          ACPI_EXECUTER
db2bae30SDana Myers        ACPI_MODULE_NAME    ("excreate")
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers#ifndef ACPI_NO_METHOD_EXECUTION
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiExCreateAlias
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState            - Current state, contains operands
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Create a new named alias
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiExCreateAlias (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_NAMESPACE_NODE     *TargetNode;
db2bae30SDana Myers    ACPI_NAMESPACE_NODE     *AliasNode;
db2bae30SDana Myers    ACPI_STATUS             Status = AE_OK;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE (ExCreateAlias);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /* Get the source/alias operands (both namespace nodes) */
db2bae30SDana Myers
db2bae30SDana Myers    AliasNode =  (ACPI_NAMESPACE_NODE *) WalkState->Operands[0];
db2bae30SDana Myers    TargetNode = (ACPI_NAMESPACE_NODE *) WalkState->Operands[1];
db2bae30SDana Myers
db2bae30SDana Myers    if ((TargetNode->Type == ACPI_TYPE_LOCAL_ALIAS)  ||
db2bae30SDana Myers        (TargetNode->Type == ACPI_TYPE_LOCAL_METHOD_ALIAS))
db2bae30SDana Myers    {
db2bae30SDana Myers        /*
db2bae30SDana Myers         * Dereference an existing alias so that we don't create a chain
db2bae30SDana Myers         * of aliases. With this code, we guarantee that an alias is
db2bae30SDana Myers         * always exactly one level of indirection away from the
db2bae30SDana Myers         * actual aliased name.
db2bae30SDana Myers         */
db2bae30SDana Myers        TargetNode = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, TargetNode->Object);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * For objects that can never change (i.e., the NS node will
db2bae30SDana Myers     * permanently point to the same object), we can simply attach
db2bae30SDana Myers     * the object to the new NS node. For other objects (such as
db2bae30SDana Myers     * Integers, buffers, etc.), we have to point the Alias node
db2bae30SDana Myers     * to the original Node.
db2bae30SDana Myers     */
db2bae30SDana Myers    switch (TargetNode->Type)
db2bae30SDana Myers    {
db2bae30SDana Myers
db2bae30SDana Myers    /* For these types, the sub-object can change dynamically via a Store */
db2bae30SDana Myers
db2bae30SDana Myers    case ACPI_TYPE_INTEGER:
db2bae30SDana Myers    case ACPI_TYPE_STRING:
db2bae30SDana Myers    case ACPI_TYPE_BUFFER:
db2bae30SDana Myers    case ACPI_TYPE_PACKAGE:
db2bae30SDana Myers    case ACPI_TYPE_BUFFER_FIELD:
db2bae30SDana Myers    /*
db2bae30SDana Myers     * These types open a new scope, so we need the NS node in order to access
db2bae30SDana Myers     * any children.
db2bae30SDana Myers     */
db2bae30SDana Myers    case ACPI_TYPE_DEVICE:
db2bae30SDana Myers    case ACPI_TYPE_POWER:
db2bae30SDana Myers    case ACPI_TYPE_PROCESSOR:
db2bae30SDana Myers    case ACPI_TYPE_THERMAL:
db2bae30SDana Myers    case ACPI_TYPE_LOCAL_SCOPE:
db2bae30SDana Myers        /*
db2bae30SDana Myers         * The new alias has the type ALIAS and points to the original
db2bae30SDana Myers         * NS node, not the object itself.
db2bae30SDana Myers         */
db2bae30SDana Myers        AliasNode->Type = ACPI_TYPE_LOCAL_ALIAS;
db2bae30SDana Myers        AliasNode->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode);
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    case ACPI_TYPE_METHOD:
db2bae30SDana Myers        /*
db2bae30SDana Myers         * Control method aliases need to be differentiated
db2bae30SDana Myers         */
db2bae30SDana Myers        AliasNode->Type = ACPI_TYPE_LOCAL_METHOD_ALIAS;
db2bae30SDana Myers        AliasNode->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode);
db2bae30SDana Myers        break;
db2bae30SDana Myers
db2bae30SDana Myers    default:
db2bae30SDana Myers
db2bae30SDana Myers        /* Attach the original source object to the new Alias Node */
db2bae30SDana Myers
db2bae30SDana Myers        /*
db2bae30SDana Myers         * The new alias assumes the type of the target, and it points
db2bae30SDana Myers         * to the same object. The reference count of the object has an
db2bae30SDana Myers         * additional reference to prevent deletion out from under either the
db2bae30SDana Myers         * target node or the alias Node
db2bae30SDana Myers         */
db2bae30SDana Myers        Status = AcpiNsAttachObject (AliasNode,
db2bae30SDana Myers            AcpiNsGetAttachedObject (TargetNode), TargetNode->Type);
db2bae30SDana Myers        break;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Since both operands are Nodes, we don't need to delete them */
db2bae30SDana Myers
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiExCreateEvent
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState           - Current state
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Create a new event object
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiExCreateEvent (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE (ExCreateEvent);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_EVENT);
db2bae30SDana Myers    if (!ObjDesc)
db2bae30SDana Myers    {
db2bae30SDana Myers        Status = AE_NO_MEMORY;
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Create the actual OS semaphore, with zero initial units -- meaning
db2bae30SDana Myers     * that the event is created in an unsignalled state
db2bae30SDana Myers     */
db2bae30SDana Myers    Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 0,
db2bae30SDana Myers        &ObjDesc->Event.OsSemaphore);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Attach object to the Node */
db2bae30SDana Myers
*385cc6b4SJerry Jelinek    Status = AcpiNsAttachObject (
*385cc6b4SJerry Jelinek        (ACPI_NAMESPACE_NODE *) WalkState->Operands[0],
db2bae30SDana Myers        ObjDesc, ACPI_TYPE_EVENT);
db2bae30SDana Myers
db2bae30SDana MyersCleanup:
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Remove local reference to the object (on error, will cause deletion
db2bae30SDana Myers     * of both object and semaphore if present.)
db2bae30SDana Myers     */
db2bae30SDana Myers    AcpiUtRemoveReference (ObjDesc);
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiExCreateMutex
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState           - Current state
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Create a new mutex object
db2bae30SDana Myers *
db2bae30SDana Myers *              Mutex (Name[0], SyncLevel[1])
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiExCreateMutex (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_STATUS             Status = AE_OK;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE_PTR (ExCreateMutex, ACPI_WALK_OPERANDS);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /* Create the new mutex object */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_MUTEX);
db2bae30SDana Myers    if (!ObjDesc)
db2bae30SDana Myers    {
db2bae30SDana Myers        Status = AE_NO_MEMORY;
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Create the actual OS Mutex */
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiOsCreateMutex (&ObjDesc->Mutex.OsMutex);
db2bae30SDana Myers    if (ACPI_FAILURE (Status))
db2bae30SDana Myers    {
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Init object and attach to NS node */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc->Mutex.SyncLevel = (UINT8) WalkState->Operands[1]->Integer.Value;
db2bae30SDana Myers    ObjDesc->Mutex.Node = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0];
db2bae30SDana Myers
*385cc6b4SJerry Jelinek    Status = AcpiNsAttachObject (
*385cc6b4SJerry Jelinek        ObjDesc->Mutex.Node, ObjDesc, ACPI_TYPE_MUTEX);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana MyersCleanup:
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Remove local reference to the object (on error, will cause deletion
db2bae30SDana Myers     * of both object and semaphore if present.)
db2bae30SDana Myers     */
db2bae30SDana Myers    AcpiUtRemoveReference (ObjDesc);
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiExCreateRegion
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  AmlStart            - Pointer to the region declaration AML
db2bae30SDana Myers *              AmlLength           - Max length of the declaration AML
*385cc6b4SJerry Jelinek *              SpaceId             - Address space ID for the region
db2bae30SDana Myers *              WalkState           - Current state
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Create a new operation region object
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiExCreateRegion (
db2bae30SDana Myers    UINT8                   *AmlStart,
db2bae30SDana Myers    UINT32                  AmlLength,
*385cc6b4SJerry Jelinek    UINT8                   SpaceId,
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers    ACPI_NAMESPACE_NODE     *Node;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *RegionObj2;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE (ExCreateRegion);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /* Get the Namespace Node */
db2bae30SDana Myers
db2bae30SDana Myers    Node = WalkState->Op->Common.Node;
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * If the region object is already attached to this node,
db2bae30SDana Myers     * just return
db2bae30SDana Myers     */
db2bae30SDana Myers    if (AcpiNsGetAttachedObject (Node))
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (AE_OK);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Space ID must be one of the predefined IDs, or in the user-defined
db2bae30SDana Myers     * range
db2bae30SDana Myers     */
*385cc6b4SJerry Jelinek    if (!AcpiIsValidSpaceId (SpaceId))
db2bae30SDana Myers    {
*385cc6b4SJerry Jelinek        /*
*385cc6b4SJerry Jelinek         * Print an error message, but continue. We don't want to abort
*385cc6b4SJerry Jelinek         * a table load for this exception. Instead, if the region is
*385cc6b4SJerry Jelinek         * actually used at runtime, abort the executing method.
*385cc6b4SJerry Jelinek         */
*385cc6b4SJerry Jelinek        ACPI_ERROR ((AE_INFO,
*385cc6b4SJerry Jelinek            "Invalid/unknown Address Space ID: 0x%2.2X", SpaceId));
db2bae30SDana Myers    }
db2bae30SDana Myers
26f3cdf0SGordon Ross    ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (0x%X)\n",
*385cc6b4SJerry Jelinek        AcpiUtGetRegionName (SpaceId), SpaceId));
db2bae30SDana Myers
db2bae30SDana Myers    /* Create the region descriptor */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_REGION);
db2bae30SDana Myers    if (!ObjDesc)
db2bae30SDana Myers    {
db2bae30SDana Myers        Status = AE_NO_MEMORY;
db2bae30SDana Myers        goto Cleanup;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Remember location in AML stream of address & length
db2bae30SDana Myers     * operands since they need to be evaluated at run time.
db2bae30SDana Myers     */
*385cc6b4SJerry Jelinek    RegionObj2 = AcpiNsGetSecondaryObject (ObjDesc);
db2bae30SDana Myers    RegionObj2->Extra.AmlStart = AmlStart;
db2bae30SDana Myers    RegionObj2->Extra.AmlLength = AmlLength;
*385cc6b4SJerry Jelinek    RegionObj2->Extra.Method_REG = NULL;
*385cc6b4SJerry Jelinek    if (WalkState->ScopeInfo)
*385cc6b4SJerry Jelinek    {
*385cc6b4SJerry Jelinek        RegionObj2->Extra.ScopeNode = WalkState->ScopeInfo->Scope.Node;
*385cc6b4SJerry Jelinek    }
*385cc6b4SJerry Jelinek    else
*385cc6b4SJerry Jelinek    {
*385cc6b4SJerry Jelinek        RegionObj2->Extra.ScopeNode = Node;
*385cc6b4SJerry Jelinek    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Init the region from the operands */
db2bae30SDana Myers
*385cc6b4SJerry Jelinek    ObjDesc->Region.SpaceId = SpaceId;
db2bae30SDana Myers    ObjDesc->Region.Address = 0;
db2bae30SDana Myers    ObjDesc->Region.Length = 0;
db2bae30SDana Myers    ObjDesc->Region.Node = Node;
*385cc6b4SJerry Jelinek    ObjDesc->Region.Handler = NULL;
*385cc6b4SJerry Jelinek    ObjDesc->Common.Flags &=
*385cc6b4SJerry Jelinek        ~(AOPOBJ_SETUP_COMPLETE | AOPOBJ_REG_CONNECTED |
*385cc6b4SJerry Jelinek          AOPOBJ_OBJECT_INITIALIZED);
db2bae30SDana Myers
db2bae30SDana Myers    /* Install the new region object in the parent Node */
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiNsAttachObject (Node, ObjDesc, ACPI_TYPE_REGION);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana MyersCleanup:
db2bae30SDana Myers
db2bae30SDana Myers    /* Remove local reference to the object */
db2bae30SDana Myers
db2bae30SDana Myers    AcpiUtRemoveReference (ObjDesc);
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiExCreateProcessor
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState           - Current state
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Create a new processor object and populate the fields
db2bae30SDana Myers *
db2bae30SDana Myers *              Processor (Name[0], CpuID[1], PblockAddr[2], PblockLength[3])
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiExCreateProcessor (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE_PTR (ExCreateProcessor, WalkState);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /* Create the processor object */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PROCESSOR);
db2bae30SDana Myers    if (!ObjDesc)
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (AE_NO_MEMORY);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Initialize the processor object from the operands */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc->Processor.ProcId = (UINT8) Operand[1]->Integer.Value;
db2bae30SDana Myers    ObjDesc->Processor.Length = (UINT8) Operand[3]->Integer.Value;
db2bae30SDana Myers    ObjDesc->Processor.Address = (ACPI_IO_ADDRESS) Operand[2]->Integer.Value;
db2bae30SDana Myers
db2bae30SDana Myers    /* Install the processor object in the parent Node */
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0],
db2bae30SDana Myers        ObjDesc, ACPI_TYPE_PROCESSOR);
db2bae30SDana Myers
db2bae30SDana Myers    /* Remove local reference to the object */
db2bae30SDana Myers
db2bae30SDana Myers    AcpiUtRemoveReference (ObjDesc);
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiExCreatePowerResource
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  WalkState           - Current state
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Create a new PowerResource object and populate the fields
db2bae30SDana Myers *
db2bae30SDana Myers *              PowerResource (Name[0], SystemLevel[1], ResourceOrder[2])
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiExCreatePowerResource (
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE_PTR (ExCreatePowerResource, WalkState);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /* Create the power resource object */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_POWER);
db2bae30SDana Myers    if (!ObjDesc)
db2bae30SDana Myers    {
db2bae30SDana Myers        return_ACPI_STATUS (AE_NO_MEMORY);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Initialize the power object from the operands */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc->PowerResource.SystemLevel = (UINT8) Operand[1]->Integer.Value;
db2bae30SDana Myers    ObjDesc->PowerResource.ResourceOrder = (UINT16) Operand[2]->Integer.Value;
db2bae30SDana Myers
db2bae30SDana Myers    /* Install the  power resource object in the parent Node */
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0],
db2bae30SDana Myers        ObjDesc, ACPI_TYPE_POWER);
db2bae30SDana Myers
db2bae30SDana Myers    /* Remove local reference to the object */
db2bae30SDana Myers
db2bae30SDana Myers    AcpiUtRemoveReference (ObjDesc);
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}
db2bae30SDana Myers#endif
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers/*******************************************************************************
db2bae30SDana Myers *
db2bae30SDana Myers * FUNCTION:    AcpiExCreateMethod
db2bae30SDana Myers *
db2bae30SDana Myers * PARAMETERS:  AmlStart        - First byte of the method's AML
db2bae30SDana Myers *              AmlLength       - AML byte count for this method
db2bae30SDana Myers *              WalkState       - Current state
db2bae30SDana Myers *
db2bae30SDana Myers * RETURN:      Status
db2bae30SDana Myers *
db2bae30SDana Myers * DESCRIPTION: Create a new method object
db2bae30SDana Myers *
db2bae30SDana Myers ******************************************************************************/
db2bae30SDana Myers
db2bae30SDana MyersACPI_STATUS
db2bae30SDana MyersAcpiExCreateMethod (
db2bae30SDana Myers    UINT8                   *AmlStart,
db2bae30SDana Myers    UINT32                  AmlLength,
db2bae30SDana Myers    ACPI_WALK_STATE         *WalkState)
db2bae30SDana Myers{
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
db2bae30SDana Myers    ACPI_OPERAND_OBJECT     *ObjDesc;
db2bae30SDana Myers    ACPI_STATUS             Status;
db2bae30SDana Myers    UINT8                   MethodFlags;
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    ACPI_FUNCTION_TRACE_PTR (ExCreateMethod, WalkState);
db2bae30SDana Myers
db2bae30SDana Myers
db2bae30SDana Myers    /* Create a new method object */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD);
db2bae30SDana Myers    if (!ObjDesc)
db2bae30SDana Myers    {
db2bae30SDana Myers       Status = AE_NO_MEMORY;
db2bae30SDana Myers       goto Exit;
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Save the method's AML pointer and length  */
db2bae30SDana Myers
db2bae30SDana Myers    ObjDesc->Method.AmlStart = AmlStart;
db2bae30SDana Myers    ObjDesc->Method.AmlLength = AmlLength;
*385cc6b4SJerry Jelinek    ObjDesc->Method.Node = Operand[0];
db2bae30SDana Myers
db2bae30SDana Myers    /*
26f3cdf0SGordon Ross     * Disassemble the method flags. Split off the ArgCount, Serialized
26f3cdf0SGordon Ross     * flag, and SyncLevel for efficiency.
db2bae30SDana Myers     */
db2bae30SDana Myers    MethodFlags = (UINT8) Operand[1]->Integer.Value;
*385cc6b4SJerry Jelinek    ObjDesc->Method.ParamCount = (UINT8)
*385cc6b4SJerry Jelinek        (MethodFlags & AML_METHOD_ARG_COUNT);
db2bae30SDana Myers
db2bae30SDana Myers    /*
db2bae30SDana Myers     * Get the SyncLevel. If method is serialized, a mutex will be
db2bae30SDana Myers     * created for this method when it is parsed.
db2bae30SDana Myers     */
db2bae30SDana Myers    if (MethodFlags & AML_METHOD_SERIALIZED)
db2bae30SDana Myers    {
26f3cdf0SGordon Ross        ObjDesc->Method.InfoFlags = ACPI_METHOD_SERIALIZED;
26f3cdf0SGordon Ross
db2bae30SDana Myers        /*
db2bae30SDana Myers         * ACPI 1.0: SyncLevel = 0
db2bae30SDana Myers         * ACPI 2.0: SyncLevel = SyncLevel in method declaration
db2bae30SDana Myers         */
db2bae30SDana Myers        ObjDesc->Method.SyncLevel = (UINT8)
aa2aa9a6SDana Myers            ((MethodFlags & AML_METHOD_SYNC_LEVEL) >> 4);
db2bae30SDana Myers    }
db2bae30SDana Myers
db2bae30SDana Myers    /* Attach the new object to the method Node */
db2bae30SDana Myers
db2bae30SDana Myers    Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0],
db2bae30SDana Myers        ObjDesc, ACPI_TYPE_METHOD);
db2bae30SDana Myers
db2bae30SDana Myers    /* Remove local reference to the object */
db2bae30SDana Myers
db2bae30SDana Myers    AcpiUtRemoveReference (ObjDesc);
db2bae30SDana Myers
db2bae30SDana MyersExit:
db2bae30SDana Myers    /* Remove a reference to the operand */
db2bae30SDana Myers
db2bae30SDana Myers    AcpiUtRemoveReference (Operand[1]);
db2bae30SDana Myers    return_ACPI_STATUS (Status);
db2bae30SDana Myers}