522 lines
16 KiB
C
522 lines
16 KiB
C
/*******************************************************************************
|
|
*
|
|
* Module Name: dmnames - AML disassembler, names, namestrings, pathnames
|
|
* $Revision: 1.17 $
|
|
*
|
|
******************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999 - 2007, 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 <contrib/dev/acpica/acpi.h>
|
|
#include <contrib/dev/acpica/acparser.h>
|
|
#include <contrib/dev/acpica/amlcode.h>
|
|
#include <contrib/dev/acpica/acnamesp.h>
|
|
#include <contrib/dev/acpica/acdisasm.h>
|
|
|
|
|
|
#ifdef ACPI_DISASSEMBLER
|
|
|
|
#define _COMPONENT ACPI_CA_DEBUGGER
|
|
ACPI_MODULE_NAME ("dmnames")
|
|
|
|
/* Local prototypes */
|
|
|
|
#ifdef ACPI_OBSOLETE_FUNCTIONS
|
|
void
|
|
AcpiDmDisplayPath (
|
|
ACPI_PARSE_OBJECT *Op);
|
|
#endif
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmDumpName
|
|
*
|
|
* PARAMETERS: Name - 4 character ACPI name
|
|
*
|
|
* RETURN: Final length of name
|
|
*
|
|
* DESCRIPTION: Dump an ACPI name, minus any trailing underscores.
|
|
*
|
|
******************************************************************************/
|
|
|
|
UINT32
|
|
AcpiDmDumpName (
|
|
char *Name)
|
|
{
|
|
UINT32 i;
|
|
UINT32 Length;
|
|
char NewName[4];
|
|
|
|
|
|
/* Ensure that the name is printable, even if we have to fix it */
|
|
|
|
*(UINT32 *) NewName = AcpiUtRepairName (Name);
|
|
|
|
/* Remove all trailing underscores from the name */
|
|
|
|
Length = ACPI_NAME_SIZE;
|
|
for (i = (ACPI_NAME_SIZE - 1); i != 0; i--)
|
|
{
|
|
if (NewName[i] == '_')
|
|
{
|
|
Length--;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Dump the name, up to the start of the trailing underscores */
|
|
|
|
for (i = 0; i < Length; i++)
|
|
{
|
|
AcpiOsPrintf ("%c", NewName[i]);
|
|
}
|
|
|
|
return (Length);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiPsDisplayObjectPathname
|
|
*
|
|
* PARAMETERS: WalkState - Current walk state
|
|
* Op - Object whose pathname is to be obtained
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Diplay the pathname associated with a named object. Two
|
|
* versions. One searches the parse tree (for parser-only
|
|
* applications suchas AcpiDump), and the other searches the
|
|
* ACPI namespace (the parse tree is probably deleted)
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiPsDisplayObjectPathname (
|
|
ACPI_WALK_STATE *WalkState,
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_NAMESPACE_NODE *Node;
|
|
ACPI_BUFFER Buffer;
|
|
UINT32 DebugLevel;
|
|
|
|
|
|
/* Save current debug level so we don't get extraneous debug output */
|
|
|
|
DebugLevel = AcpiDbgLevel;
|
|
AcpiDbgLevel = 0;
|
|
|
|
/* Just get the Node out of the Op object */
|
|
|
|
Node = Op->Common.Node;
|
|
if (!Node)
|
|
{
|
|
/* Node not defined in this scope, look it up */
|
|
|
|
Status = AcpiNsLookup (WalkState->ScopeInfo, Op->Common.Value.String,
|
|
ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
|
|
WalkState, &(Node));
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/*
|
|
* We can't get the pathname since the object
|
|
* is not in the namespace. This can happen during single
|
|
* stepping where a dynamic named object is *about* to be created.
|
|
*/
|
|
AcpiOsPrintf (" [Path not found]");
|
|
goto Exit;
|
|
}
|
|
|
|
/* Save it for next time. */
|
|
|
|
Op->Common.Node = Node;
|
|
}
|
|
|
|
/* Convert NamedDesc/handle to a full pathname */
|
|
|
|
Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
|
|
Status = AcpiNsHandleToPathname (Node, &Buffer);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("****Could not get pathname****)");
|
|
goto Exit;
|
|
}
|
|
|
|
AcpiOsPrintf (" (Path %s)", (char *) Buffer.Pointer);
|
|
ACPI_FREE (Buffer.Pointer);
|
|
|
|
|
|
Exit:
|
|
/* Restore the debug level */
|
|
|
|
AcpiDbgLevel = DebugLevel;
|
|
return (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmNamestring
|
|
*
|
|
* PARAMETERS: Name - ACPI Name string to store
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Decode and dump an ACPI namestring. Handles prefix characters
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiDmNamestring (
|
|
char *Name)
|
|
{
|
|
UINT32 SegCount;
|
|
|
|
|
|
if (!Name)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Handle all Scope Prefix operators */
|
|
|
|
while (AcpiPsIsPrefixChar (ACPI_GET8 (Name)))
|
|
{
|
|
/* Append prefix character */
|
|
|
|
AcpiOsPrintf ("%1c", ACPI_GET8 (Name));
|
|
Name++;
|
|
}
|
|
|
|
switch (ACPI_GET8 (Name))
|
|
{
|
|
case 0:
|
|
SegCount = 0;
|
|
break;
|
|
|
|
case AML_DUAL_NAME_PREFIX:
|
|
SegCount = 2;
|
|
Name++;
|
|
break;
|
|
|
|
case AML_MULTI_NAME_PREFIX_OP:
|
|
SegCount = (UINT32) ACPI_GET8 (Name + 1);
|
|
Name += 2;
|
|
break;
|
|
|
|
default:
|
|
SegCount = 1;
|
|
break;
|
|
}
|
|
|
|
while (SegCount)
|
|
{
|
|
/* Append Name segment */
|
|
|
|
AcpiDmDumpName ((char *) Name);
|
|
|
|
SegCount--;
|
|
if (SegCount)
|
|
{
|
|
/* Not last name, append dot separator */
|
|
|
|
AcpiOsPrintf (".");
|
|
}
|
|
Name += ACPI_NAME_SIZE;
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef ACPI_OBSOLETE_FUNCTIONS
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmDisplayPath
|
|
*
|
|
* PARAMETERS: Op - Named Op whose path is to be constructed
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Walk backwards from current scope and display the name
|
|
* of each previous level of scope up to the root scope
|
|
* (like "pwd" does with file systems)
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiDmDisplayPath (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *Prev;
|
|
ACPI_PARSE_OBJECT *Search;
|
|
UINT32 Name;
|
|
BOOLEAN DoDot = FALSE;
|
|
ACPI_PARSE_OBJECT *NamePath;
|
|
const ACPI_OPCODE_INFO *OpInfo;
|
|
|
|
|
|
/* We are only interested in named objects */
|
|
|
|
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
|
|
if (!(OpInfo->Flags & AML_NSNODE))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (OpInfo->Flags & AML_CREATE)
|
|
{
|
|
/* Field creation - check for a fully qualified namepath */
|
|
|
|
if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
|
|
{
|
|
NamePath = AcpiPsGetArg (Op, 3);
|
|
}
|
|
else
|
|
{
|
|
NamePath = AcpiPsGetArg (Op, 2);
|
|
}
|
|
|
|
if ((NamePath) &&
|
|
(NamePath->Common.Value.String) &&
|
|
(NamePath->Common.Value.String[0] == '\\'))
|
|
{
|
|
AcpiDmNamestring (NamePath->Common.Value.String);
|
|
return;
|
|
}
|
|
}
|
|
|
|
Prev = NULL; /* Start with Root Node */
|
|
|
|
while (Prev != Op)
|
|
{
|
|
/* Search upwards in the tree to find scope with "prev" as its parent */
|
|
|
|
Search = Op;
|
|
for (; ;)
|
|
{
|
|
if (Search->Common.Parent == Prev)
|
|
{
|
|
break;
|
|
}
|
|
|
|
/* Go up one level */
|
|
|
|
Search = Search->Common.Parent;
|
|
}
|
|
|
|
if (Prev)
|
|
{
|
|
OpInfo = AcpiPsGetOpcodeInfo (Search->Common.AmlOpcode);
|
|
if (!(OpInfo->Flags & AML_FIELD))
|
|
{
|
|
/* Below root scope, append scope name */
|
|
|
|
if (DoDot)
|
|
{
|
|
/* Append dot */
|
|
|
|
AcpiOsPrintf (".");
|
|
}
|
|
|
|
if (OpInfo->Flags & AML_CREATE)
|
|
{
|
|
if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
|
|
{
|
|
NamePath = AcpiPsGetArg (Op, 3);
|
|
}
|
|
else
|
|
{
|
|
NamePath = AcpiPsGetArg (Op, 2);
|
|
}
|
|
|
|
if ((NamePath) &&
|
|
(NamePath->Common.Value.String))
|
|
{
|
|
AcpiDmDumpName (NamePath->Common.Value.String);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Name = AcpiPsGetName (Search);
|
|
AcpiDmDumpName ((char *) &Name);
|
|
}
|
|
|
|
DoDot = TRUE;
|
|
}
|
|
}
|
|
Prev = Search;
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmValidateName
|
|
*
|
|
* PARAMETERS: Name - 4 character ACPI name
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Lookup the name
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiDmValidateName (
|
|
char *Name,
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
|
|
if ((!Name) ||
|
|
(!Op->Common.Parent))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!Op->Common.Node)
|
|
{
|
|
AcpiOsPrintf (
|
|
" /**** Name not found or not accessible from this scope ****/ ");
|
|
}
|
|
|
|
ACPI_PARSE_OBJECT *TargetOp;
|
|
|
|
|
|
if ((!Name) ||
|
|
(!Op->Common.Parent))
|
|
{
|
|
return;
|
|
}
|
|
|
|
TargetOp = AcpiPsFind (Op, Name, 0, 0);
|
|
if (!TargetOp)
|
|
{
|
|
/*
|
|
* Didn't find the name in the parse tree. This may be
|
|
* a problem, or it may simply be one of the predefined names
|
|
* (such as _OS_). Rather than worry about looking up all
|
|
* the predefined names, just display the name as given
|
|
*/
|
|
AcpiOsPrintf (
|
|
" /**** Name not found or not accessible from this scope ****/ ");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|