acpica/source/components/executer/excreate.c
aystarik 94e640a370 Added alignment and math macros
date	2000.06.01.22.39.00;	author rmoore1;	state Exp;
2005-06-29 17:20:29 +00:00

1010 lines
29 KiB
C

/******************************************************************************
*
* Module Name: iecreate - Named object creation
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999, 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 __IECREATE_C__
#include <acpi.h>
#include <parser.h>
#include <interp.h>
#include <amlcode.h>
#include <namesp.h>
#include <events.h>
#include <dispatch.h>
#define _COMPONENT INTERPRETER
MODULE_NAME ("iecreate");
/*****************************************************************************
*
* FUNCTION: AmlExecCreateField
*
* 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:
* 16.2.4.2 DefCreateBitField := CreateBitFieldOp SourceBuff BitIndex NameString
* 16.2.4.2 DefCreateByteField := CreateByteFieldOp SourceBuff ByteIndex NameString
* 16.2.4.2 DefCreateDWordField := CreateDWordFieldOp SourceBuff ByteIndex NameString
* 16.2.4.2 DefCreateField := CreateFieldOp SourceBuff BitIndex NumBits NameString
* 16.2.4.2 DefCreateWordField := CreateWordFieldOp SourceBuff ByteIndex NameString
* 16.2.4.2 BitIndex := TermArg=>Integer
* 16.2.4.2 ByteIndex := TermArg=>Integer
* 16.2.4.2 NumBits := TermArg=>Integer
* 16.2.4.2 SourceBuff := TermArg=>Buffer
*
****************************************************************************/
ACPI_STATUS
AmlExecCreateField (
UINT16 Opcode,
ACPI_WALK_STATE *WalkState)
{
ACPI_OBJECT_INTERNAL *ResDesc = NULL;
ACPI_OBJECT_INTERNAL *CntDesc = NULL;
ACPI_OBJECT_INTERNAL *OffDesc = NULL;
ACPI_OBJECT_INTERNAL *SrcDesc = NULL;
ACPI_OBJECT_INTERNAL *FieldDesc;
ACPI_OBJECT_INTERNAL *ObjDesc;
ACPI_OBJECT_TYPE ResType;
ACPI_STATUS Status;
UINT32 NumOperands = 3;
UINT32 Offset;
UINT32 BitOffset;
UINT16 BitCount;
UINT8 TypeFound;
FUNCTION_TRACE ("AmlExecCreateField");
/* Resolve the operands */
Status = AmlResolveOperands (Opcode, WALK_OPERANDS);
DUMP_OPERANDS (WALK_OPERANDS, IMODE_Execute, PsGetOpcodeName (Opcode), NumOperands, "after AmlResolveOperands");
/* Get the operands */
Status |= DsObjStackPopObject (&ResDesc, WalkState);
if (AML_CreateFieldOp == Opcode)
{
NumOperands = 4;
Status |= DsObjStackPopObject (&CntDesc, WalkState);
}
Status |= DsObjStackPopObject (&OffDesc, WalkState);
Status |= DsObjStackPopObject (&SrcDesc, WalkState);
if (Status != AE_OK)
{
/* Invalid parameters on object stack */
AmlAppendOperandDiag (_THIS_MODULE, __LINE__, Opcode, WALK_OPERANDS, 3);
goto Cleanup;
}
Offset = OffDesc->Number.Value;
/* If ResDesc is a Name, it will be a direct name pointer after AmlResolveOperands() */
if (!VALID_DESCRIPTOR_TYPE (ResDesc, DESC_TYPE_NTE))
{
DEBUG_PRINT (ACPI_ERROR, ("AmlExecCreateField (%s): destination must be a Name(NTE)\n", PsGetOpcodeName (Opcode)));
Status = AE_AML_OPERAND_TYPE;
goto Cleanup;
}
/*
* Setup the Bit offsets and counts, according to the opcode
*/
switch (Opcode)
{
/* DefCreateBitField := CreateBitFieldOp SourceBuff BitIndex NameString */
case AML_BitFieldOp:
BitOffset = Offset; /* offset is in bits */
BitCount = 1; /* field is a bit */
break;
/* DefCreateByteField := CreateByteFieldOp SourceBuff ByteIndex NameString */
case AML_ByteFieldOp:
BitOffset = 8 * Offset; /* offset is in bytes */
BitCount = 8; /* field is a Byte */
break;
/* DefCreateWordField := CreateWordFieldOp SourceBuff ByteIndex NameString */
case AML_WordFieldOp:
BitOffset = 8 * Offset; /* offset is in bytes */
BitCount = 16; /* field is a Word */
break;
/* DefCreateDWordField := CreateDWordFieldOp SourceBuff ByteIndex NameString */
case AML_DWordFieldOp:
BitOffset = 8 * Offset; /* offset is in bytes */
BitCount = 32; /* field is a DWord */
break;
/* DefCreateField := CreateFieldOp SourceBuff BitIndex NumBits NameString */
case AML_CreateFieldOp:
BitOffset = Offset; /* offset is in bits */
BitCount = (UINT16) CntDesc->Number.Value; /* as is count */
break;
default:
DEBUG_PRINT (ACPI_ERROR, ("AmlExecCreateField: Internal error - unknown field creation opcode %02x\n",
Opcode));
Status = AE_AML_BAD_OPCODE;
goto Cleanup;
}
/*
* Setup field according to the object type
*/
switch (SrcDesc->Common.Type)
{
/* SourceBuff := TermArg=>Buffer */
case ACPI_TYPE_Buffer:
if (BitOffset + (UINT32) BitCount > 8 * (UINT32) SrcDesc->Buffer.Length)
{
DEBUG_PRINT (ACPI_ERROR, ("AmlExecCreateField: Field exceeds Buffer %d > %d\n",
BitOffset + (UINT32) BitCount,
8 * (UINT32) SrcDesc->Buffer.Length));
Status = AE_AML_BUFFER_LIMIT;
goto Cleanup;
}
/* Allocate an object for the field */
FieldDesc = CmCreateInternalObject (ACPI_TYPE_FieldUnit);
if (!FieldDesc)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Construct the field object */
FieldDesc->FieldUnit.Access = (UINT8) ACCESS_AnyAcc;
FieldDesc->FieldUnit.LockRule = (UINT8) GLOCK_NeverLock;
FieldDesc->FieldUnit.UpdateRule = (UINT8) UPDATE_Preserve;
FieldDesc->FieldUnit.Length = BitCount;
FieldDesc->FieldUnit.BitOffset = (UINT8) (BitOffset % 8);
FieldDesc->FieldUnit.Offset = DIV_8 (BitOffset);
FieldDesc->FieldUnit.Container = SrcDesc;
FieldDesc->FieldUnit.Sequence = SrcDesc->Buffer.Sequence;
/* An additional reference for SrcDesc */
CmAddReference (SrcDesc);
break;
/* Improper object type */
default:
TypeFound = SrcDesc->Common.Type;
if ((TypeFound > (UINT8) INTERNAL_TYPE_Reference) ||
!CmValidObjectType (TypeFound))
{
DEBUG_PRINT (ACPI_ERROR, ("AmlExecCreateField: Tried to create field in invalid object type - 0x%X\n",
TypeFound));
}
else
{
DEBUG_PRINT (ACPI_ERROR, ("AmlExecCreateField: Tried to create field in improper object type - %s\n",
CmGetTypeName (TypeFound)));
}
Status = AE_AML_OPERAND_TYPE;
goto Cleanup;
} /* switch */
if (AML_CreateFieldOp == Opcode)
{
/* Delete object descriptor unique to CreateField */
CmRemoveReference (CntDesc);
CntDesc = NULL;
}
/*
* 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 AmlExecStore() to perform an indirect
* store rather than setting the value of the Name itself, clobber that
* reference before calling AmlExecStore().
*/
ResType = NsGetType (ResDesc);
switch (ResType) /* Type of Name's existing value */
{
case ACPI_TYPE_FieldUnit:
case INTERNAL_TYPE_Alias:
case INTERNAL_TYPE_BankField:
case INTERNAL_TYPE_DefField:
case INTERNAL_TYPE_IndexField:
ObjDesc = NsGetAttachedObject (ResDesc);
if (ObjDesc)
{
/* There is an existing object here; delete it and zero out the NTE */
DUMP_PATHNAME (ResDesc, "AmlExecCreateField: Removing Current Reference", TRACE_BFIELD, _COMPONENT);
DUMP_ENTRY (ResDesc, TRACE_BFIELD);
DUMP_STACK_ENTRY (ObjDesc);
CmRemoveReference (ObjDesc);
NsAttachObject (ResDesc, NULL, ACPI_TYPE_Any);
}
/* Set the type to ANY (or the store below will fail) */
((NAME_TABLE_ENTRY *) ResDesc)->Type = ACPI_TYPE_Any;
break;
default:
break;
}
/* Store constructed field descriptor in result location */
Status = AmlExecStore (FieldDesc, ResDesc);
/*
* If the field descriptor was not physically stored (or if a failure above), we
* must delete it
*/
if (FieldDesc->Common.ReferenceCount <= 1)
{
CmRemoveReference (FieldDesc);
}
Cleanup:
/* Always delete the operands */
CmRemoveReference (OffDesc);
CmRemoveReference (SrcDesc);
if (AML_CreateFieldOp == Opcode)
{
CmRemoveReference (CntDesc);
}
/* On failure, delete the result descriptor */
if (ACPI_FAILURE (Status))
{
CmRemoveReference (ResDesc); /* Result descriptor */
}
return_ACPI_STATUS (Status);
}
/*****************************************************************************
*
* FUNCTION: AmlExecCreateAlias
*
* PARAMETERS: Operands - List of operands for the opcode
*
* RETURN: Status
*
* DESCRIPTION: Create a new named alias
*
****************************************************************************/
ACPI_STATUS
AmlExecCreateAlias (
ACPI_WALK_STATE *WalkState)
{
NAME_TABLE_ENTRY *SrcEntry;
NAME_TABLE_ENTRY *AliasEntry;
ACPI_STATUS Status;
FUNCTION_TRACE ("AmlExecCreateAlias");
/* Get the source/alias operands (both NTEs) */
Status = DsObjStackPopObject ((ACPI_OBJECT_INTERNAL **) &SrcEntry, WalkState);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
AliasEntry = DsObjStackGetValue (0, WalkState); /* Don't pop it, it gets popped later */
/* Add an additional reference to the object */
CmAddReference (SrcEntry->Object);
/*
* Attach the original source NTE to the new Alias NTE.
*/
Status = NsAttachObject (AliasEntry, SrcEntry->Object, SrcEntry->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 NTE
*/
/* Since both operands are NTEs, we don't need to delete them */
return_ACPI_STATUS (Status);
}
/*****************************************************************************
*
* FUNCTION: AmlExecCreateEvent
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Create a new event object
*
****************************************************************************/
ACPI_STATUS
AmlExecCreateEvent (
ACPI_WALK_STATE *WalkState)
{
ACPI_STATUS Status;
ACPI_OBJECT_INTERNAL *ObjDesc;
FUNCTION_TRACE ("AmlExecCreateEvent");
BREAKPOINT3;
ObjDesc = CmCreateInternalObject (ACPI_TYPE_Event);
if (!ObjDesc)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Create the actual OS semaphore */
Status = OsdCreateSemaphore (1, &ObjDesc->Event.Semaphore);
if (ACPI_FAILURE (Status))
{
CmRemoveReference (ObjDesc);
goto Cleanup;
}
/* Attach object to the NTE */
Status = NsAttachObject (DsObjStackGetValue (0, WalkState), ObjDesc, (UINT8) ACPI_TYPE_Event);
if (ACPI_FAILURE (Status))
{
OsdDeleteSemaphore (ObjDesc->Event.Semaphore);
CmRemoveReference (ObjDesc);
goto Cleanup;
}
Cleanup:
return_ACPI_STATUS (Status);
}
/*****************************************************************************
*
* FUNCTION: AmlExecCreateMutex
*
* 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
AmlExecCreateMutex (
ACPI_WALK_STATE *WalkState)
{
ACPI_STATUS Status = AE_OK;
ACPI_OBJECT_INTERNAL *SyncDesc;
ACPI_OBJECT_INTERNAL *ObjDesc;
FUNCTION_TRACE_PTR ("AmlExecCreateMutex", WALK_OPERANDS);
/* Get the operand */
Status = DsObjStackPopObject (&SyncDesc, WalkState);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Attempt to allocate a new object */
ObjDesc = CmCreateInternalObject (ACPI_TYPE_Mutex);
if (!ObjDesc)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Create the actual OS semaphore */
Status = OsdCreateSemaphore (1, &ObjDesc->Mutex.Semaphore);
if (ACPI_FAILURE (Status))
{
CmRemoveReference (ObjDesc);
goto Cleanup;
}
ObjDesc->Mutex.SyncLevel = (UINT8) SyncDesc->Number.Value;
/* ObjDesc was on the stack top, and the name is below it */
Status = NsAttachObject (DsObjStackGetValue (0, WalkState), /* Name */
ObjDesc, (UINT8) ACPI_TYPE_Mutex);
if (ACPI_FAILURE (Status))
{
OsdDeleteSemaphore (ObjDesc->Mutex.Semaphore);
CmRemoveReference (ObjDesc);
goto Cleanup;
}
Cleanup:
/* Always delete the operand */
CmRemoveReference (SyncDesc);
return_ACPI_STATUS (Status);
}
/*****************************************************************************
*
* FUNCTION: AmlExecCreateRegion
*
* 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
AmlExecCreateRegion (
UINT8 *AmlPtr,
UINT32 AmlLength,
UINT32 RegionSpace,
ACPI_WALK_STATE *WalkState)
{
ACPI_STATUS Status;
ACPI_OBJECT_INTERNAL *ObjDescRegion;
ACPI_HANDLE *Entry;
FUNCTION_TRACE ("AmlExecCreateRegion");
if (RegionSpace >= NUM_REGION_TYPES)
{
/* TBD: should this return an error, or should we just keep going? */
DEBUG_PRINT (TRACE_LOAD, ("AmlDoNamedObject: Type out of range [*???*]\n"));
REPORT_WARNING ("Unable to decode the RegionSpace");
}
DEBUG_PRINT (TRACE_LOAD, ("AmlDoNamedObject: Region Type [%s]\n",
Gbl_RegionTypes[RegionSpace]));
/* Get the NTE from the object stack */
Entry = DsObjStackGetValue (0, WalkState);
/* Create the region descriptor */
ObjDescRegion = CmCreateInternalObject (ACPI_TYPE_Region);
if (!ObjDescRegion)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/*
* Allocate a method object for this region.
*/
ObjDescRegion->Region.Method = CmCreateInternalObject (ACPI_TYPE_Method);
if (!ObjDescRegion->Region.Method)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Init the region from the operands */
ObjDescRegion->Region.SpaceId = (UINT16) RegionSpace;
ObjDescRegion->Region.Address = 0;
ObjDescRegion->Region.Length = 0;
ObjDescRegion->Region.RegionFlags = 0;
/*
* Remember location in AML stream of address & length
* operands since they need to be evaluated at run time.
*/
ObjDescRegion->Region.Method->Method.Pcode = AmlPtr;
ObjDescRegion->Region.Method->Method.PcodeLength = AmlLength;
/* Install the new region object in the parent NTE */
ObjDescRegion->Region.Nte = (NAME_TABLE_ENTRY *) Entry;
Status = NsAttachObject (Entry, ObjDescRegion, (UINT8) ACPI_TYPE_Region);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
Cleanup:
if (Status != AE_OK)
{
/* Delete region object and method subobject */
if (ObjDescRegion)
{
CmRemoveReference (ObjDescRegion); /* Deletes both objects! */
ObjDescRegion = NULL;
}
}
/*
* If we have a valid region, initialize it
*/
if (ObjDescRegion)
{
/*
* TBD: Is there anything we can or could do when this fails?
* We need to do something useful with a failure.
*/
(void *) EvInitializeRegion (ObjDescRegion, TRUE); /* Namespace IS locked */
}
return_ACPI_STATUS (Status);
}
/*****************************************************************************
*
* FUNCTION: AmlExecCreateProcessor
*
* PARAMETERS: Op - Op containing the Processor definition and args
* ProcessorNTE - NTE for the containing NTE
*
* RETURN: Status
*
* DESCRIPTION: Create a new processor object and populate the fields
*
****************************************************************************/
ACPI_STATUS
AmlExecCreateProcessor (
ACPI_GENERIC_OP *Op,
ACPI_HANDLE ProcessorNTE)
{
ACPI_STATUS Status;
ACPI_GENERIC_OP *Arg;
ACPI_OBJECT_INTERNAL *ObjDesc;
FUNCTION_TRACE_PTR ("AmlExecCreateProcessor", Op);
ObjDesc = CmCreateInternalObject (ACPI_TYPE_Processor);
if (!ObjDesc)
{
Status = AE_NO_MEMORY;
return_ACPI_STATUS (Status);
}
/* Install the new processor object in the parent NTE */
Status = NsAttachObject (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.PBLKAddress = (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.PBLKLength = (UINT8) Arg->Value.Integer;
return_ACPI_STATUS (AE_OK);
}
/*****************************************************************************
*
* FUNCTION: AmlExecCreatePowerResource
*
* PARAMETERS: Op - Op containing the PowerResource definition and args
* PowerResNTE - NTE for the containing NTE
*
* RETURN: Status
*
* DESCRIPTION: Create a new PowerResource object and populate the fields
*
****************************************************************************/
ACPI_STATUS
AmlExecCreatePowerResource (
ACPI_GENERIC_OP *Op,
ACPI_HANDLE PowerResNTE)
{
ACPI_STATUS Status;
ACPI_GENERIC_OP *Arg;
ACPI_OBJECT_INTERNAL *ObjDesc;
FUNCTION_TRACE_PTR ("AmlExecCreatePowerResource", Op);
ObjDesc = CmCreateInternalObject (ACPI_TYPE_Power);
if (!ObjDesc)
{
Status = AE_NO_MEMORY;
return_ACPI_STATUS (Status);
}
/* Install the new power resource object in the parent NTE */
Status = NsAttachObject (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: AmlExecCreateMethod
*
* PARAMETERS: InterpreterMode - Current running mode (load1/Load2/Exec)
*
* RETURN: Status
*
* DESCRIPTION: Create a new mutex object
*
****************************************************************************/
ACPI_STATUS
AmlExecCreateMethod (
UINT8 *AmlPtr,
UINT32 AmlLength,
UINT32 MethodFlags,
ACPI_HANDLE Method)
{
ACPI_OBJECT_INTERNAL *ObjDesc;
ACPI_STATUS Status;
FUNCTION_TRACE_PTR ("AmlExecCreateMethod", Method);
/* Create a new method object */
ObjDesc = CmCreateInternalObject (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: 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;
}
/* Mark the Method as not parsed yet */
ObjDesc->Method.ParserOp = NULL;
/* Another +1 gets added when PsxExecute is called, no need for: ObjDesc->Method.Pcode++; */
ObjDesc->Method.AcpiTable = NULL; /* TBD: was (UINT8 *) PcodeAddr; */
ObjDesc->Method.TableLength = 0; /* TBD: needed? (UINT32) (WalkState->amlEnd - PcodeAddr); */
/* Attach the new object to the method NTE */
Status = NsAttachObject (Method, ObjDesc, (UINT8) ACPI_TYPE_Method);
if (ACPI_FAILURE (Status))
{
CmFree (ObjDesc);
}
return_ACPI_STATUS (Status);
}