NetBSD-5.0.2/sys/dist/acpica/dmutils.c
/*******************************************************************************
*
* Module Name: dmutils - AML disassembler utilities
* $Revision: 1.4 $
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2008, 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.
*
*****************************************************************************/
#include "acpi.h"
#include "amlcode.h"
#include "acdisasm.h"
#ifdef ACPI_ASL_COMPILER
#include <acnamesp.h>
#endif
#ifdef ACPI_DISASSEMBLER
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("dmutils")
ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList = NULL;
/* Data used in keeping track of fields */
#if 0
const char *AcpiGbl_FENames[] =
{
"skip",
"?access?"
}; /* FE = Field Element */
#endif
/* Operators for Match() */
const char *AcpiGbl_MatchOps[] =
{
"MTR",
"MEQ",
"MLE",
"MLT",
"MGE",
"MGT"
};
/* Access type decoding */
const char *AcpiGbl_AccessTypes[] =
{
"AnyAcc",
"ByteAcc",
"WordAcc",
"DWordAcc",
"QWordAcc",
"BufferAcc",
"InvalidAccType",
"InvalidAccType"
};
/* Lock rule decoding */
const char *AcpiGbl_LockRule[] =
{
"NoLock",
"Lock"
};
/* Update rule decoding */
const char *AcpiGbl_UpdateRules[] =
{
"Preserve",
"WriteAsOnes",
"WriteAsZeros",
"InvalidUpdateRule"
};
/* Strings used to decode resource descriptors */
const char *AcpiGbl_WordDecode[] =
{
"Memory",
"IO",
"BusNumber",
"UnknownResourceType"
};
const char *AcpiGbl_IrqDecode[] =
{
"IRQNoFlags",
"IRQ"
};
#ifdef ACPI_ASL_COMPILER
/*******************************************************************************
*
* FUNCTION: AcpiDmAddToExternalList
*
* PARAMETERS: Path - Internal (AML) path to the object
*
* RETURN: None
*
* DESCRIPTION: Insert a new path into the list of Externals which will in
* turn be emitted as an External() declaration in the disassembled
* output.
*
******************************************************************************/
void
AcpiDmAddToExternalList (
char *Path,
UINT8 Type,
UINT32 Value)
{
char *ExternalPath;
ACPI_EXTERNAL_LIST *NewExternal;
ACPI_EXTERNAL_LIST *NextExternal;
ACPI_EXTERNAL_LIST *PrevExternal = NULL;
ACPI_STATUS Status;
if (!Path)
{
return;
}
/* Externalize the ACPI path */
Status = AcpiNsExternalizeName (ACPI_UINT32_MAX, Path,
NULL, &ExternalPath);
if (ACPI_FAILURE (Status))
{
return;
}
/* Ensure that we don't have duplicate externals */
NextExternal = AcpiGbl_ExternalList;
while (NextExternal)
{
/* Allow upgrade of type from ANY */
if (!ACPI_STRCMP (ExternalPath, NextExternal->Path))
{
/* Duplicate method, check that the Value (ArgCount) is the same */
if ((NextExternal->Type == ACPI_TYPE_METHOD) &&
(NextExternal->Value != Value))
{
ACPI_ERROR ((AE_INFO, "Argument count mismatch for method %s %d %d",
NextExternal->Path, NextExternal->Value, Value));
}
if (NextExternal->Type == ACPI_TYPE_ANY)
{
NextExternal->Type = Type;
NextExternal->Value = Value;
}
ACPI_FREE (ExternalPath);
return;
}
NextExternal = NextExternal->Next;
}
/* Allocate and init a new External() descriptor */
NewExternal = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EXTERNAL_LIST));
NewExternal->InternalPath = Path;
NewExternal->Path = ExternalPath;
NewExternal->Type = Type;
NewExternal->Value = Value;
NewExternal->Length = (UINT16) ACPI_STRLEN (ExternalPath);
/* Link the new descriptor into the global list, ordered by string length */
NextExternal = AcpiGbl_ExternalList;
while (NextExternal)
{
if (NewExternal->Length <= NextExternal->Length)
{
if (PrevExternal)
{
PrevExternal->Next = NewExternal;
}
else
{
AcpiGbl_ExternalList = NewExternal;
}
NewExternal->Next = NextExternal;
return;
}
PrevExternal = NextExternal;
NextExternal = NextExternal->Next;
}
if (PrevExternal)
{
PrevExternal->Next = NewExternal;
}
else
{
AcpiGbl_ExternalList = NewExternal;
}
}
#endif
/*******************************************************************************
*
* FUNCTION: AcpiDmDecodeAttribute
*
* PARAMETERS: Attribute - Attribute field of AccessAs keyword
*
* RETURN: None
*
* DESCRIPTION: Decode the AccessAs attribute byte. (Mostly SMBus stuff)
*
******************************************************************************/
void
AcpiDmDecodeAttribute (
UINT8 Attribute)
{
switch (Attribute)
{
case AML_FIELD_ATTRIB_SMB_QUICK:
AcpiOsPrintf ("SMBQuick");
break;
case AML_FIELD_ATTRIB_SMB_SEND_RCV:
AcpiOsPrintf ("SMBSendReceive");
break;
case AML_FIELD_ATTRIB_SMB_BYTE:
AcpiOsPrintf ("SMBByte");
break;
case AML_FIELD_ATTRIB_SMB_WORD:
AcpiOsPrintf ("SMBWord");
break;
case AML_FIELD_ATTRIB_SMB_WORD_CALL:
AcpiOsPrintf ("SMBProcessCall");
break;
case AML_FIELD_ATTRIB_SMB_BLOCK:
AcpiOsPrintf ("SMBBlock");
break;
case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
AcpiOsPrintf ("SMBBlockProcessCall");
break;
default:
AcpiOsPrintf ("0x%.2X", Attribute);
break;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmIndent
*
* PARAMETERS: Level - Current source code indentation level
*
* RETURN: None
*
* DESCRIPTION: Indent 4 spaces per indentation level.
*
******************************************************************************/
void
AcpiDmIndent (
UINT32 Level)
{
if (!Level)
{
return;
}
AcpiOsPrintf ("%*.s", ACPI_MUL_4 (Level), " ");
}
/*******************************************************************************
*
* FUNCTION: AcpiDmCommaIfListMember
*
* PARAMETERS: Op - Current operator/operand
*
* RETURN: TRUE if a comma was inserted
*
* DESCRIPTION: Insert a comma if this Op is a member of an argument list.
*
******************************************************************************/
BOOLEAN
AcpiDmCommaIfListMember (
ACPI_PARSE_OBJECT *Op)
{
if (!Op->Common.Next)
{
return FALSE;
}
if (AcpiDmListType (Op->Common.Parent) & BLOCK_COMMA_LIST)
{
/* Check for a NULL target operand */
if ((Op->Common.Next->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
(!Op->Common.Next->Common.Value.String))
{
/*
* To handle the Divide() case where there are two optional
* targets, look ahead one more op. If null, this null target
* is the one and only target -- no comma needed. Otherwise,
* we need a comma to prepare for the next target.
*/
if (!Op->Common.Next->Common.Next)
{
return FALSE;
}
}
if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) &&
(!(Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)))
{
return FALSE;
}
AcpiOsPrintf (", ");
return (TRUE);
}
else if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) &&
(Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))
{
AcpiOsPrintf (", ");
return (TRUE);
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: AcpiDmCommaIfFieldMember
*
* PARAMETERS: Op - Current operator/operand
*
* RETURN: None
*
* DESCRIPTION: Insert a comma if this Op is a member of a Field argument list.
*
******************************************************************************/
void
AcpiDmCommaIfFieldMember (
ACPI_PARSE_OBJECT *Op)
{
if (Op->Common.Next)
{
AcpiOsPrintf (", ");
}
}
#endif