883 lines
25 KiB
C
883 lines
25 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: amcreate - Named object creation
|
|
* $Revision: 52 $
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999, 2000, 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 __AMCREATE_C__
|
|
|
|
#include "acpi.h"
|
|
#include "acparser.h"
|
|
#include "acinterp.h"
|
|
#include "amlcode.h"
|
|
#include "acnamesp.h"
|
|
#include "acevents.h"
|
|
#include "acdispat.h"
|
|
|
|
|
|
#define _COMPONENT INTERPRETER
|
|
MODULE_NAME ("amcreate")
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreateField
|
|
*
|
|
* PARAMETERS: Opcode - The opcode to be executed
|
|
* Operands - List of operands for the opcode
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Execute CreateField operators: CreateBitFieldOp,
|
|
* CreateByteFieldOp, CreateWordFieldOp, CreateDWordFieldOp,
|
|
* CreateFieldOp (which define fields in buffers)
|
|
*
|
|
* ALLOCATION: Deletes CreateFieldOp's count operand descriptor
|
|
*
|
|
*
|
|
* ACPI SPECIFICATION REFERENCES:
|
|
* DefCreateBitField := CreateBitFieldOp SrcBuf BitIdx NameString
|
|
* DefCreateByteField := CreateByteFieldOp SrcBuf ByteIdx NameString
|
|
* DefCreateDWordField := CreateDWordFieldOp SrcBuf ByteIdx NameString
|
|
* DefCreateField := CreateFieldOp SrcBuf BitIdx NumBits NameString
|
|
* DefCreateWordField := CreateWordFieldOp SrcBuf ByteIdx NameString
|
|
* BitIndex := TermArg=>Integer
|
|
* ByteIndex := TermArg=>Integer
|
|
* NumBits := TermArg=>Integer
|
|
* SourceBuff := TermArg=>Buffer
|
|
*
|
|
******************************************************************************/
|
|
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreateField (
|
|
UINT8 *AmlPtr,
|
|
UINT32 AmlLength,
|
|
ACPI_NAMESPACE_NODE *Node,
|
|
ACPI_WALK_STATE *WalkState)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
ACPI_OPERAND_OBJECT *TmpDesc;
|
|
|
|
|
|
FUNCTION_TRACE ("AmlExecCreateField");
|
|
|
|
|
|
/* Create the region descriptor */
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_FIELD_UNIT);
|
|
if (!ObjDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Construct the field object */
|
|
|
|
ObjDesc->FieldUnit.Access = (UINT8) ACCESS_ANY_ACC;
|
|
ObjDesc->FieldUnit.LockRule = (UINT8) GLOCK_NEVER_LOCK;
|
|
ObjDesc->FieldUnit.UpdateRule = (UINT8) UPDATE_PRESERVE;
|
|
|
|
/*
|
|
* Allocate a method object for this field unit
|
|
*/
|
|
|
|
ObjDesc->FieldUnit.Extra = AcpiCmCreateInternalObject (
|
|
INTERNAL_TYPE_EXTRA);
|
|
if (!ObjDesc->FieldUnit.Extra)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* Remember location in AML stream of the field unit
|
|
* opcode and operands -- since the buffer and index
|
|
* operands must be evaluated.
|
|
*/
|
|
|
|
ObjDesc->FieldUnit.Extra->Extra.Pcode = AmlPtr;
|
|
ObjDesc->FieldUnit.Extra->Extra.PcodeLength = AmlLength;
|
|
ObjDesc->FieldUnit.Node = Node;
|
|
|
|
|
|
/*
|
|
* This operation is supposed to cause the destination Name to refer
|
|
* to the defined FieldUnit -- it must not store the constructed
|
|
* FieldUnit object (or its current value) in some location that the
|
|
* Name may already be pointing to. So, if the Name currently contains
|
|
* a reference which would cause AcpiAmlExecStore() to perform an indirect
|
|
* store rather than setting the value of the Name itself, clobber that
|
|
* reference before calling AcpiAmlExecStore().
|
|
*/
|
|
|
|
/* Type of Name's existing value */
|
|
|
|
switch (AcpiNsGetType (Node))
|
|
{
|
|
|
|
case ACPI_TYPE_FIELD_UNIT:
|
|
|
|
case INTERNAL_TYPE_ALIAS:
|
|
case INTERNAL_TYPE_BANK_FIELD:
|
|
case INTERNAL_TYPE_DEF_FIELD:
|
|
case INTERNAL_TYPE_INDEX_FIELD:
|
|
|
|
TmpDesc = AcpiNsGetAttachedObject (Node);
|
|
if (TmpDesc)
|
|
{
|
|
/*
|
|
* There is an existing object here; delete it and zero out the
|
|
* object field within the Node
|
|
*/
|
|
|
|
DUMP_PATHNAME (Node,
|
|
"AmlExecCreateField: Removing Current Reference",
|
|
TRACE_BFIELD, _COMPONENT);
|
|
|
|
DUMP_ENTRY (Node, TRACE_BFIELD);
|
|
DUMP_STACK_ENTRY (TmpDesc);
|
|
|
|
AcpiCmRemoveReference (TmpDesc);
|
|
AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Node, NULL,
|
|
ACPI_TYPE_ANY);
|
|
}
|
|
|
|
/* Set the type to ANY (or the store below will fail) */
|
|
|
|
((ACPI_NAMESPACE_NODE *) Node)->Type = ACPI_TYPE_ANY;
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
}
|
|
|
|
|
|
/* Store constructed field descriptor in result location */
|
|
|
|
Status = AcpiAmlExecStore (ObjDesc, (ACPI_OPERAND_OBJECT *) Node, WalkState);
|
|
|
|
/*
|
|
* If the field descriptor was not physically stored (or if a failure
|
|
* above), we must delete it
|
|
*/
|
|
if (ObjDesc->Common.ReferenceCount <= 1)
|
|
{
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
}
|
|
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Delete region object and method subobject */
|
|
|
|
if (ObjDesc)
|
|
{
|
|
/* Remove deletes both objects! */
|
|
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
ObjDesc = NULL;
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreateAlias
|
|
*
|
|
* PARAMETERS: Operands - List of operands for the opcode
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new named alias
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreateAlias (
|
|
ACPI_WALK_STATE *WalkState)
|
|
{
|
|
ACPI_NAMESPACE_NODE *SourceNode;
|
|
ACPI_NAMESPACE_NODE *AliasNode;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
FUNCTION_TRACE ("AmlExecCreateAlias");
|
|
|
|
|
|
/* Get the source/alias operands (both NTEs) */
|
|
|
|
Status = AcpiDsObjStackPopObject ((ACPI_OPERAND_OBJECT **) &SourceNode,
|
|
WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/*
|
|
* Don't pop it, it gets removed in the calling routine
|
|
*/
|
|
|
|
AliasNode = AcpiDsObjStackGetValue (0, WalkState);
|
|
|
|
/* Add an additional reference to the object */
|
|
|
|
AcpiCmAddReference (SourceNode->Object);
|
|
|
|
/*
|
|
* Attach the original source Node to the new Alias Node.
|
|
*/
|
|
Status = AcpiNsAttachObject (AliasNode, SourceNode->Object,
|
|
SourceNode->Type);
|
|
|
|
|
|
/*
|
|
* The new alias assumes the type of the source, but it points
|
|
* to the same object. The reference count of the object has two
|
|
* additional references to prevent deletion out from under either the
|
|
* source or the alias Node
|
|
*/
|
|
|
|
/* Since both operands are NTEs, we don't need to delete them */
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreateEvent
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new event object
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreateEvent (
|
|
ACPI_WALK_STATE *WalkState)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
|
|
|
|
FUNCTION_TRACE ("AmlExecCreateEvent");
|
|
|
|
|
|
BREAKPOINT3;
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_EVENT);
|
|
if (!ObjDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Create the actual OS semaphore */
|
|
|
|
/* TBD: [Investigate] should be created with 0 or 1 units? */
|
|
|
|
Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 1,
|
|
&ObjDesc->Event.Semaphore);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Attach object to the Node */
|
|
|
|
Status = AcpiNsAttachObject (AcpiDsObjStackGetValue (0, WalkState),
|
|
ObjDesc, (UINT8) ACPI_TYPE_EVENT);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsDeleteSemaphore (ObjDesc->Event.Semaphore);
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreateMutex
|
|
*
|
|
* PARAMETERS: InterpreterMode - Current running mode (load1/Load2/Exec)
|
|
* Operands - List of operands for the opcode
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new mutex object
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreateMutex (
|
|
ACPI_WALK_STATE *WalkState)
|
|
{
|
|
ACPI_STATUS Status = AE_OK;
|
|
ACPI_OPERAND_OBJECT *SyncDesc;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("AmlExecCreateMutex", WALK_OPERANDS);
|
|
|
|
|
|
/* Get the operand */
|
|
|
|
Status = AcpiDsObjStackPopObject (&SyncDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Attempt to allocate a new object */
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_MUTEX);
|
|
if (!ObjDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Create the actual OS semaphore */
|
|
|
|
Status = AcpiOsCreateSemaphore (1, 1, &ObjDesc->Mutex.Semaphore);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
goto Cleanup;
|
|
}
|
|
|
|
ObjDesc->Mutex.SyncLevel = (UINT8) SyncDesc->Number.Value;
|
|
|
|
/* ObjDesc was on the stack top, and the name is below it */
|
|
|
|
Status = AcpiNsAttachObject (AcpiDsObjStackGetValue (0, WalkState),
|
|
ObjDesc, (UINT8) ACPI_TYPE_MUTEX);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsDeleteSemaphore (ObjDesc->Mutex.Semaphore);
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Always delete the operand */
|
|
|
|
AcpiCmRemoveReference (SyncDesc);
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreateRegion
|
|
*
|
|
* PARAMETERS: AmlPtr - Pointer to the region declaration AML
|
|
* AmlLength - Max length of the declaration AML
|
|
* Operands - List of operands for the opcode
|
|
* InterpreterMode - Load1/Load2/Execute
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new operation region object
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreateRegion (
|
|
UINT8 *AmlPtr,
|
|
UINT32 AmlLength,
|
|
UINT8 RegionSpace,
|
|
ACPI_WALK_STATE *WalkState)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
ACPI_NAMESPACE_NODE *Node;
|
|
|
|
|
|
FUNCTION_TRACE ("AmlExecCreateRegion");
|
|
|
|
|
|
/*
|
|
* Space ID must be one of the predefined IDs, or in the user-defined
|
|
* range
|
|
*/
|
|
if ((RegionSpace >= NUM_REGION_TYPES) &&
|
|
(RegionSpace < USER_REGION_BEGIN))
|
|
{
|
|
REPORT_ERROR (("Invalid AddressSpace type %X\n", RegionSpace));
|
|
return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID);
|
|
}
|
|
|
|
DEBUG_PRINT (TRACE_LOAD, ("AmlExecCreateRegion: Region Type - %s (%X)\n",
|
|
AcpiCmGetRegionName (RegionSpace), RegionSpace));
|
|
|
|
|
|
/* Get the Node from the object stack */
|
|
|
|
Node = (ACPI_NAMESPACE_NODE *) AcpiDsObjStackGetValue (0, WalkState);
|
|
|
|
/* Create the region descriptor */
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_REGION);
|
|
if (!ObjDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* Allocate a method object for this region.
|
|
*/
|
|
|
|
ObjDesc->Region.Extra = AcpiCmCreateInternalObject (
|
|
INTERNAL_TYPE_EXTRA);
|
|
if (!ObjDesc->Region.Extra)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* Remember location in AML stream of address & length
|
|
* operands since they need to be evaluated at run time.
|
|
*/
|
|
|
|
ObjDesc->Region.Extra->Extra.Pcode = AmlPtr;
|
|
ObjDesc->Region.Extra->Extra.PcodeLength = AmlLength;
|
|
|
|
/* Init the region from the operands */
|
|
|
|
ObjDesc->Region.SpaceId = RegionSpace;
|
|
ObjDesc->Region.Address = 0;
|
|
ObjDesc->Region.Length = 0;
|
|
|
|
|
|
/* Install the new region object in the parent Node */
|
|
|
|
ObjDesc->Region.Node = Node;
|
|
|
|
Status = AcpiNsAttachObject (Node, ObjDesc,
|
|
(UINT8) ACPI_TYPE_REGION);
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* If we have a valid region, initialize it
|
|
* Namespace is NOT locked at this point.
|
|
*/
|
|
|
|
Status = AcpiEvInitializeRegion (ObjDesc, FALSE);
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/*
|
|
* If AE_NOT_EXIST is returned, it is not fatal
|
|
* because many regions get created before a handler
|
|
* is installed for said region.
|
|
*/
|
|
if (AE_NOT_EXIST == Status)
|
|
{
|
|
Status = AE_OK;
|
|
}
|
|
}
|
|
|
|
Cleanup:
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* Delete region object and method subobject */
|
|
|
|
if (ObjDesc)
|
|
{
|
|
/* Remove deletes both objects! */
|
|
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
ObjDesc = NULL;
|
|
}
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreateProcessor
|
|
*
|
|
* PARAMETERS: Op - Op containing the Processor definition and
|
|
* args
|
|
* ProcessorNTE - Node for the containing Node
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new processor object and populate the fields
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreateProcessor (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_HANDLE ProcessorNTE)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_PARSE_OBJECT *Arg;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("AmlExecCreateProcessor", Op);
|
|
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_PROCESSOR);
|
|
if (!ObjDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Install the new processor object in the parent Node */
|
|
|
|
Status = AcpiNsAttachObject (ProcessorNTE, ObjDesc,
|
|
(UINT8) ACPI_TYPE_PROCESSOR);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS(Status);
|
|
}
|
|
|
|
Arg = Op->Value.Arg;
|
|
|
|
/* check existence */
|
|
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* First arg is the Processor ID */
|
|
|
|
ObjDesc->Processor.ProcId = (UINT8) Arg->Value.Integer;
|
|
|
|
/* Move to next arg and check existence */
|
|
|
|
Arg = Arg->Next;
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Second arg is the PBlock Address */
|
|
|
|
ObjDesc->Processor.Address = (ACPI_IO_ADDRESS) Arg->Value.Integer;
|
|
|
|
/* Move to next arg and check existence */
|
|
|
|
Arg = Arg->Next;
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Third arg is the PBlock Length */
|
|
|
|
ObjDesc->Processor.Length = (UINT8) Arg->Value.Integer;
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreatePowerResource
|
|
*
|
|
* PARAMETERS: Op - Op containing the PowerResource definition
|
|
* and args
|
|
* PowerResNTE - Node for the containing Node
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new PowerResource object and populate the fields
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreatePowerResource (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_HANDLE PowerResNTE)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_PARSE_OBJECT *Arg;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("AmlExecCreatePowerResource", Op);
|
|
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_POWER);
|
|
if (!ObjDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Install the new power resource object in the parent Node */
|
|
|
|
Status = AcpiNsAttachObject (PowerResNTE, ObjDesc,
|
|
(UINT8) ACPI_TYPE_POWER);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS(Status);
|
|
}
|
|
|
|
Arg = Op->Value.Arg;
|
|
|
|
/* check existence */
|
|
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* First arg is the SystemLevel */
|
|
|
|
ObjDesc->PowerResource.SystemLevel = (UINT8) Arg->Value.Integer;
|
|
|
|
/* Move to next arg and check existence */
|
|
|
|
Arg = Arg->Next;
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Second arg is the PBlock Address */
|
|
|
|
ObjDesc->PowerResource.ResourceOrder = (UINT16) Arg->Value.Integer;
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreateMethod
|
|
*
|
|
* PARAMETERS: AmlPtr - First byte of the method's AML
|
|
* AmlLength - AML byte count for this method
|
|
* MethodFlags - AML method flag byte
|
|
* Method - Method Node
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new method object
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreateMethod (
|
|
UINT8 *AmlPtr,
|
|
UINT32 AmlLength,
|
|
UINT32 MethodFlags,
|
|
ACPI_HANDLE Method)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("AmlExecCreateMethod", Method);
|
|
|
|
|
|
/* Create a new method object */
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_METHOD);
|
|
if (!ObjDesc)
|
|
{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* Get the method's AML pointer/length from the Op */
|
|
|
|
ObjDesc->Method.Pcode = AmlPtr;
|
|
ObjDesc->Method.PcodeLength = AmlLength;
|
|
|
|
/*
|
|
* First argument is the Method Flags (contains parameter count for the
|
|
* method)
|
|
*/
|
|
|
|
ObjDesc->Method.MethodFlags = (UINT8) MethodFlags;
|
|
ObjDesc->Method.ParamCount = (UINT8) (MethodFlags &
|
|
METHOD_FLAGS_ARG_COUNT);
|
|
|
|
/*
|
|
* Get the concurrency count. If required, a semaphore will be
|
|
* created for this method when it is parsed.
|
|
*
|
|
* TBD: [Future] for APCI 2.0, there will be a SyncLevel value, not
|
|
* just a flag
|
|
* Concurrency = SyncLevel + 1;.
|
|
*/
|
|
|
|
if (MethodFlags & METHOD_FLAGS_SERIALIZED)
|
|
{
|
|
ObjDesc->Method.Concurrency = 1;
|
|
}
|
|
|
|
else
|
|
{
|
|
ObjDesc->Method.Concurrency = INFINITE_CONCURRENCY;
|
|
}
|
|
|
|
/* Attach the new object to the method Node */
|
|
|
|
Status = AcpiNsAttachObject (Method, ObjDesc, (UINT8) ACPI_TYPE_METHOD);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiCmDeleteObjectDesc (ObjDesc);
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|