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freebsd-dev/sys/contrib/dev/acpica/utcopy.c

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Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
/******************************************************************************
*
* Module Name: cmcopy - Internal to external object translation utilities
Update to the Intel 20001215 ACPI CA snapshot.
2000-12-21 06:56:46 +00:00
* $Revision: 61 $
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
Update to the Intel 20001215 ACPI CA snapshot.
2000-12-21 06:56:46 +00:00
* Some or all of this work - Copyright (c) 1999, 2000, Intel Corp.
* All rights reserved.
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
*
* 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 __CMCOPY_C__
#include "acpi.h"
#include "acinterp.h"
#include "acnamesp.h"
#define _COMPONENT MISCELLANEOUS
MODULE_NAME ("cmcopy")
typedef struct Search_st
{
ACPI_OPERAND_OBJECT *InternalObj;
UINT32 Index;
ACPI_OBJECT *ExternalObj;
} PKG_SEARCH_INFO;
/* Used to traverse nested packages */
PKG_SEARCH_INFO Level[MAX_PACKAGE_DEPTH];
/******************************************************************************
*
* FUNCTION: AcpiCmBuildExternalSimpleObject
*
* PARAMETERS: *InternalObj - Pointer to the object we are examining
* *Buffer - Where the object is returned
* *SpaceUsed - Where the data length is returned
*
* RETURN: Status - the status of the call
*
* DESCRIPTION: This function is called to place a simple object in a user
* buffer.
*
* The buffer is assumed to have sufficient space for the object.
*
******************************************************************************/
Update to the 20001115 Intel ACPI CA snapshot.
2000-12-01 09:36:25 +00:00
static ACPI_STATUS
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
AcpiCmBuildExternalSimpleObject (
ACPI_OPERAND_OBJECT *InternalObj,
ACPI_OBJECT *ExternalObj,
UINT8 *DataSpace,
UINT32 *BufferSpaceUsed)
{
UINT32 Length = 0;
UINT8 *SourcePtr = NULL;
FUNCTION_TRACE ("CmBuildExternalSimpleObject");
/*
* Check for NULL object case (could be an uninitialized
* package element
*/
if (!InternalObj)
{
*BufferSpaceUsed = 0;
return_ACPI_STATUS (AE_OK);
}
/* Always clear the external object */
MEMSET (ExternalObj, 0, sizeof (ACPI_OBJECT));
/*
* In general, the external object will be the same type as
* the internal object
*/
ExternalObj->Type = InternalObj->Common.Type;
/* However, only a limited number of external types are supported */
switch (ExternalObj->Type)
{
case ACPI_TYPE_STRING:
Update to the Intel 20001215 ACPI CA snapshot.
2000-12-21 06:56:46 +00:00
Length = InternalObj->String.Length + 1;
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
ExternalObj->String.Length = InternalObj->String.Length;
ExternalObj->String.Pointer = (NATIVE_CHAR *) DataSpace;
SourcePtr = (UINT8 *) InternalObj->String.Pointer;
break;
case ACPI_TYPE_BUFFER:
Length = InternalObj->Buffer.Length;
ExternalObj->Buffer.Length = InternalObj->Buffer.Length;
ExternalObj->Buffer.Pointer = DataSpace;
SourcePtr = (UINT8 *) InternalObj->Buffer.Pointer;
break;
case ACPI_TYPE_NUMBER:
ExternalObj->Number.Value= InternalObj->Number.Value;
break;
case INTERNAL_TYPE_REFERENCE:
/*
* This is an object reference. We use the object type of "Any"
* to indicate a reference object containing a handle to an ACPI
* named object.
*/
ExternalObj->Type = ACPI_TYPE_ANY;
ExternalObj->Reference.Handle = InternalObj->Reference.Node;
break;
case ACPI_TYPE_PROCESSOR:
ExternalObj->Processor.ProcId =
InternalObj->Processor.ProcId;
ExternalObj->Processor.PblkAddress =
InternalObj->Processor.Address;
ExternalObj->Processor.PblkLength =
InternalObj->Processor.Length;
break;
case ACPI_TYPE_POWER:
ExternalObj->PowerResource.SystemLevel =
InternalObj->PowerResource.SystemLevel;
ExternalObj->PowerResource.ResourceOrder =
InternalObj->PowerResource.ResourceOrder;
break;
default:
return_ACPI_STATUS (AE_CTRL_RETURN_VALUE);
break;
}
/* Copy data if necessary (strings or buffers) */
if (Length)
{
/*
* Copy the return data to the caller's buffer
*/
MEMCPY ((void *) DataSpace, (void *) SourcePtr, Length);
}
*BufferSpaceUsed = (UINT32) ROUND_UP_TO_NATIVE_WORD (Length);
return_ACPI_STATUS (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiCmBuildExternalPackageObject
*
* PARAMETERS: *InternalObj - Pointer to the object we are returning
* *Buffer - Where the object is returned
* *SpaceUsed - Where the object length is returned
*
* RETURN: Status - the status of the call
*
* DESCRIPTION: This function is called to place a package object in a user
* buffer. A package object by definition contains other objects.
*
* The buffer is assumed to have sufficient space for the object.
* The caller must have verified the buffer length needed using the
* AcpiCmGetObjectSize function before calling this function.
*
******************************************************************************/
Update to the 20001115 Intel ACPI CA snapshot.
2000-12-01 09:36:25 +00:00
static ACPI_STATUS
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
AcpiCmBuildExternalPackageObject (
ACPI_OPERAND_OBJECT *InternalObj,
UINT8 *Buffer,
UINT32 *SpaceUsed)
{
UINT8 *FreeSpace;
ACPI_OBJECT *ExternalObj;
UINT32 CurrentDepth = 0;
ACPI_STATUS Status;
UINT32 Length = 0;
UINT32 ThisIndex;
UINT32 ObjectSpace;
ACPI_OPERAND_OBJECT *ThisInternalObj;
ACPI_OBJECT *ThisExternalObj;
PKG_SEARCH_INFO *LevelPtr;
FUNCTION_TRACE ("CmBuildExternalPackageObject");
/*
* First package at head of the buffer
*/
ExternalObj = (ACPI_OBJECT *) Buffer;
/*
* Free space begins right after the first package
*/
FreeSpace = Buffer + ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
/*
* Initialize the working variables
*/
MEMSET ((void *) Level, 0, sizeof (Level));
Level[0].InternalObj = InternalObj;
Level[0].ExternalObj = ExternalObj;
Level[0].Index = 0;
LevelPtr = &Level[0];
CurrentDepth = 0;
ExternalObj->Type = InternalObj->Common.Type;
ExternalObj->Package.Count = InternalObj->Package.Count;
ExternalObj->Package.Elements = (ACPI_OBJECT *) FreeSpace;
/*
* Build an array of ACPI_OBJECTS in the buffer
* and move the free space past it
*/
FreeSpace += ExternalObj->Package.Count *
ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
while (1)
{
ThisIndex = LevelPtr->Index;
ThisInternalObj =
(ACPI_OPERAND_OBJECT *)
LevelPtr->InternalObj->Package.Elements[ThisIndex];
ThisExternalObj =
(ACPI_OBJECT *)
&LevelPtr->ExternalObj->Package.Elements[ThisIndex];
/*
* Check for
* 1) Null object -- OK, this can happen if package
* element is never initialized
* 2) Not an internal object - can be Node instead
* 3) Any internal object other than a package.
*
* The more complex package case is handled later
*/
if ((!ThisInternalObj) ||
(!VALID_DESCRIPTOR_TYPE (
ThisInternalObj, ACPI_DESC_TYPE_INTERNAL)) ||
(!IS_THIS_OBJECT_TYPE (
ThisInternalObj, ACPI_TYPE_PACKAGE)))
{
/*
* This is a simple or null object -- get the size
*/
Status =
AcpiCmBuildExternalSimpleObject (ThisInternalObj,
ThisExternalObj,
FreeSpace,
&ObjectSpace);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
FreeSpace += ObjectSpace;
Length += ObjectSpace;
LevelPtr->Index++;
while (LevelPtr->Index >=
LevelPtr->InternalObj->Package.Count)
{
/*
* We've handled all of the objects at this
* level. This means that we have just
* completed a package. That package may
* have contained one or more packages
* itself
*/
if (CurrentDepth == 0)
{
/*
* We have handled all of the objects
* in the top level package just add
* the length of the package objects
* and get out
*/
*SpaceUsed = Length;
return_ACPI_STATUS (AE_OK);
}
/*
* go back up a level and move the index
* past the just completed package object.
*/
CurrentDepth--;
LevelPtr = &Level[CurrentDepth];
LevelPtr->Index++;
}
}
else
{
/*
* This object is a package
* -- we must go one level deeper
*/
if (CurrentDepth >= MAX_PACKAGE_DEPTH-1)
{
/*
* Too many nested levels of packages
* for us to handle
*/
DEBUG_PRINT (ACPI_ERROR,
Update to the 20001201 ACPI CA snapshot.
2000-12-08 09:20:40 +00:00
("CmBuildPackageObject: Pkg nested too deep (max %X)\n",
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
MAX_PACKAGE_DEPTH));
return_ACPI_STATUS (AE_LIMIT);
}
/*
* Build the package object
*/
ThisExternalObj->Type = ACPI_TYPE_PACKAGE;
ThisExternalObj->Package.Count =
ThisInternalObj->Package.Count;
ThisExternalObj->Package.Elements =
(ACPI_OBJECT *) FreeSpace;
/*
* Save space for the array of objects (Package elements)
* update the buffer length counter
*/
ObjectSpace = (UINT32) ROUND_UP_TO_NATIVE_WORD (
ThisExternalObj->Package.Count *
sizeof (ACPI_OBJECT));
FreeSpace += ObjectSpace;
Length += ObjectSpace;
CurrentDepth++;
LevelPtr = &Level[CurrentDepth];
LevelPtr->InternalObj = ThisInternalObj;
LevelPtr->ExternalObj = ThisExternalObj;
LevelPtr->Index = 0;
}
}
}
/******************************************************************************
*
* FUNCTION: AcpiCmBuildExternalObject
*
* PARAMETERS: *InternalObj - The internal object to be converted
* *BufferPtr - Where the object is returned
*
* RETURN: Status - the status of the call
*
* DESCRIPTION: This function is called to build an API object to be returned to
* the caller.
*
******************************************************************************/
ACPI_STATUS
AcpiCmBuildExternalObject (
ACPI_OPERAND_OBJECT *InternalObj,
ACPI_BUFFER *RetBuffer)
{
ACPI_STATUS Status;
FUNCTION_TRACE ("CmBuildExternalObject");
if (IS_THIS_OBJECT_TYPE (InternalObj, ACPI_TYPE_PACKAGE))
{
/*
* Package objects contain other objects (which can be objects)
* buildpackage does it all
*/
Status =
AcpiCmBuildExternalPackageObject (InternalObj,
RetBuffer->Pointer,
&RetBuffer->Length);
}
else
{
/*
* Build a simple object (no nested objects)
*/
Status =
AcpiCmBuildExternalSimpleObject (InternalObj,
(ACPI_OBJECT *) RetBuffer->Pointer,
((UINT8 *) RetBuffer->Pointer +
ROUND_UP_TO_NATIVE_WORD (
sizeof (ACPI_OBJECT))),
&RetBuffer->Length);
/*
* build simple does not include the object size in the length
* so we add it in here
*/
RetBuffer->Length += sizeof (ACPI_OBJECT);
}
return_ACPI_STATUS (Status);
}
/******************************************************************************
*
* FUNCTION: AcpiCmBuildInternalSimpleObject
*
* PARAMETERS: *ExternalObj - The external object to be converted
* *InternalObj - Where the internal object is returned
*
* RETURN: Status - the status of the call
*
* DESCRIPTION: This function copies an external object to an internal one.
* NOTE: Pointers can be copied, we don't need to copy data.
* (The pointers have to be valid in our address space no matter
* what we do with them!)
*
******************************************************************************/
ACPI_STATUS
AcpiCmBuildInternalSimpleObject (
ACPI_OBJECT *ExternalObj,
ACPI_OPERAND_OBJECT *InternalObj)
{
FUNCTION_TRACE ("CmBuildInternalSimpleObject");
InternalObj->Common.Type = (UINT8) ExternalObj->Type;
switch (ExternalObj->Type)
{
case ACPI_TYPE_STRING:
InternalObj->String.Length = ExternalObj->String.Length;
InternalObj->String.Pointer = ExternalObj->String.Pointer;
break;
case ACPI_TYPE_BUFFER:
InternalObj->Buffer.Length = ExternalObj->Buffer.Length;
InternalObj->Buffer.Pointer = ExternalObj->Buffer.Pointer;
break;
case ACPI_TYPE_NUMBER:
/*
* Number is included in the object itself
*/
InternalObj->Number.Value = ExternalObj->Number.Value;
break;
default:
return_ACPI_STATUS (AE_CTRL_RETURN_VALUE);
break;
}
return_ACPI_STATUS (AE_OK);
}
Update to the 20001115 Intel ACPI CA snapshot.
2000-12-01 09:36:25 +00:00
#ifdef ACPI_FUTURE_IMPLEMENTATION
/* Code to convert packages that are parameters to control methods */
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
/******************************************************************************
*
* FUNCTION: AcpiCmBuildInternalPackageObject
*
* PARAMETERS: *InternalObj - Pointer to the object we are returning
* *Buffer - Where the object is returned
* *SpaceUsed - Where the length of the object is returned
*
* RETURN: Status - the status of the call
*
* DESCRIPTION: This function is called to place a package object in a user
* buffer. A package object by definition contains other objects.
*
* The buffer is assumed to have sufficient space for the object.
* The caller must have verified the buffer length needed using the
* AcpiCmGetObjectSize function before calling this function.
*
******************************************************************************/
Update to the 20001115 Intel ACPI CA snapshot.
2000-12-01 09:36:25 +00:00
static ACPI_STATUS
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
AcpiCmBuildInternalPackageObject (
ACPI_OPERAND_OBJECT *InternalObj,
UINT8 *Buffer,
UINT32 *SpaceUsed)
{
UINT8 *FreeSpace;
ACPI_OBJECT *ExternalObj;
UINT32 CurrentDepth = 0;
UINT32 Length = 0;
UINT32 ThisIndex;
UINT32 ObjectSpace = 0;
ACPI_OPERAND_OBJECT *ThisInternalObj;
ACPI_OBJECT *ThisExternalObj;
PKG_SEARCH_INFO *LevelPtr;
FUNCTION_TRACE ("CmBuildInternalPackageObject");
/*
* First package at head of the buffer
*/
ExternalObj = (ACPI_OBJECT *)Buffer;
/*
* Free space begins right after the first package
*/
FreeSpace = Buffer + sizeof(ACPI_OBJECT);
/*
* Initialize the working variables
*/
MEMSET ((void *) Level, 0, sizeof(Level));
Level[0].InternalObj = InternalObj;
Level[0].ExternalObj = ExternalObj;
LevelPtr = &Level[0];
CurrentDepth = 0;
ExternalObj->Type = InternalObj->Common.Type;
ExternalObj->Package.Count = InternalObj->Package.Count;
ExternalObj->Package.Elements = (ACPI_OBJECT *)FreeSpace;
/*
* Build an array of ACPI_OBJECTS in the buffer
* and move the free space past it
*/
FreeSpace += ExternalObj->Package.Count * sizeof(ACPI_OBJECT);
while (1)
{
ThisIndex = LevelPtr->Index;
ThisInternalObj = (ACPI_OPERAND_OBJECT *)
&LevelPtr->InternalObj->Package.Elements[ThisIndex];
ThisExternalObj = (ACPI_OBJECT *)
&LevelPtr->ExternalObj->Package.Elements[ThisIndex];
if (IS_THIS_OBJECT_TYPE (ThisInternalObj, ACPI_TYPE_PACKAGE))
{
/*
* If this object is a package then we go one deeper
*/
if (CurrentDepth >= MAX_PACKAGE_DEPTH-1)
{
/*
* Too many nested levels of packages for us to handle
*/
DEBUG_PRINT (ACPI_ERROR,
Update to the 20001201 ACPI CA snapshot.
2000-12-08 09:20:40 +00:00
("CmBuildPackageObject: Pkg nested too deep (max %X)\n",
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
MAX_PACKAGE_DEPTH));
return_ACPI_STATUS (AE_LIMIT);
}
/*
* Build the package object
*/
ThisExternalObj->Type = ACPI_TYPE_PACKAGE;
ThisExternalObj->Package.Count = ThisInternalObj->Package.Count;
ThisExternalObj->Package.Elements = (ACPI_OBJECT *) FreeSpace;
/*
* Save space for the array of objects (Package elements)
* update the buffer length counter
*/
ObjectSpace = ThisExternalObj->Package.Count *
sizeof (ACPI_OBJECT);
FreeSpace += ObjectSpace;
Length += ObjectSpace;
CurrentDepth++;
LevelPtr = &Level[CurrentDepth];
LevelPtr->InternalObj = ThisInternalObj;
LevelPtr->ExternalObj = ThisExternalObj;
LevelPtr->Index = 0;
} /* if object is a package */
else
{
FreeSpace += ObjectSpace;
Length += ObjectSpace;
LevelPtr->Index++;
while (LevelPtr->Index >=
LevelPtr->InternalObj->Package.Count)
{
/*
* We've handled all of the objects at
* this level, This means that we have
* just completed a package. That package
* may have contained one or more packages
* itself
*/
if (CurrentDepth == 0)
{
/*
* We have handled all of the objects
* in the top level package just add
* the length of the package objects
* and get out
*/
*SpaceUsed = Length;
return_ACPI_STATUS (AE_OK);
}
/*
* go back up a level and move the index
* past the just completed package object.
*/
CurrentDepth--;
LevelPtr = &Level[CurrentDepth];
LevelPtr->Index++;
}
} /* else object is NOT a package */
} /* while (1) */
}
Update to the 20001115 Intel ACPI CA snapshot.
2000-12-01 09:36:25 +00:00
#endif /* Future implementation */
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
/******************************************************************************
*
* FUNCTION: AcpiCmBuildInternalObject
*
* PARAMETERS: *InternalObj - The external object to be converted
* *BufferPtr - Where the internal object is returned
*
* RETURN: Status - the status of the call
*
* DESCRIPTION: Converts an external object to an internal object.
*
******************************************************************************/
ACPI_STATUS
AcpiCmBuildInternalObject (
ACPI_OBJECT *ExternalObj,
ACPI_OPERAND_OBJECT *InternalObj)
{
ACPI_STATUS Status;
FUNCTION_TRACE ("CmBuildInternalObject");
if (ExternalObj->Type == ACPI_TYPE_PACKAGE)
{
/*
* Package objects contain other objects (which can be objects)
* buildpackage does it all
Update to the 20001115 Intel ACPI CA snapshot.
2000-12-01 09:36:25 +00:00
*
* TBD: Package conversion must be completed and tested
* NOTE: this code converts packages as input parameters to
* control methods only. This is a very, very rare case.
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
*/
/*
Status = AcpiCmBuildInternalPackageObject(InternalObj,
RetBuffer->Pointer,
&RetBuffer->Length);
*/
DEBUG_PRINT (ACPI_ERROR,
("CmBuildInternalObject: Packages as parameters not implemented!\n"));
return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
}
else
{
/*
* Build a simple object (no nested objects)
*/
Status = AcpiCmBuildInternalSimpleObject (ExternalObj, InternalObj);
/*
* build simple does not include the object size in the length
* so we add it in here
*/
}
return_ACPI_STATUS (Status);
}
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