NetBSD-5.0.2/sys/dist/acpica/dbutils.c
/*******************************************************************************
*
* Module Name: dbutils - AML debugger utilities
* $Revision: 1.5 $
*
******************************************************************************/
/******************************************************************************
*
* 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 "acnamesp.h"
#include "acdebug.h"
#include "acdisasm.h"
#ifdef ACPI_DEBUGGER
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("dbutils")
/* Local prototypes */
#ifdef ACPI_OBSOLETE_FUNCTIONS
ACPI_STATUS
AcpiDbSecondPassParse (
ACPI_PARSE_OBJECT *Root);
void
AcpiDbDumpBuffer (
UINT32 Address);
#endif
static const char *Converter = "0123456789ABCDEF";
/*******************************************************************************
*
* FUNCTION: AcpiDbMatchArgument
*
* PARAMETERS: UserArgument - User command line
* Arguments - Array of commands to match against
*
* RETURN: Index into command array or ACPI_TYPE_NOT_FOUND if not found
*
* DESCRIPTION: Search command array for a command match
*
******************************************************************************/
ACPI_OBJECT_TYPE
AcpiDbMatchArgument (
const char *UserArgument,
ARGUMENT_INFO *Arguments)
{
UINT32 i;
if (!UserArgument || UserArgument[0] == 0)
{
return (ACPI_TYPE_NOT_FOUND);
}
for (i = 0; Arguments[i].Name; i++)
{
if (ACPI_STRSTR (Arguments[i].Name, UserArgument) == Arguments[i].Name)
{
return (i);
}
}
/* Argument not recognized */
return (ACPI_TYPE_NOT_FOUND);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbSetOutputDestination
*
* PARAMETERS: OutputFlags - Current flags word
*
* RETURN: None
*
* DESCRIPTION: Set the current destination for debugger output. Also sets
* the debug output level accordingly.
*
******************************************************************************/
void
AcpiDbSetOutputDestination (
UINT32 OutputFlags)
{
AcpiGbl_DbOutputFlags = (UINT8) OutputFlags;
if ((OutputFlags & ACPI_DB_REDIRECTABLE_OUTPUT) && AcpiGbl_DbOutputToFile)
{
AcpiDbgLevel = AcpiGbl_DbDebugLevel;
}
else
{
AcpiDbgLevel = AcpiGbl_DbConsoleDebugLevel;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDbDumpExternalObject
*
* PARAMETERS: ObjDesc - External ACPI object to dump
* Level - Nesting level.
*
* RETURN: None
*
* DESCRIPTION: Dump the contents of an ACPI external object
*
******************************************************************************/
void
AcpiDbDumpExternalObject (
ACPI_OBJECT *ObjDesc,
UINT32 Level)
{
UINT32 i;
if (!ObjDesc)
{
AcpiOsPrintf ("[Null Object]\n");
return;
}
for (i = 0; i < Level; i++)
{
AcpiOsPrintf (" ");
}
switch (ObjDesc->Type)
{
case ACPI_TYPE_ANY:
AcpiOsPrintf ("[Null Object] (Type=0)\n");
break;
case ACPI_TYPE_INTEGER:
AcpiOsPrintf ("[Integer] = %8.8X%8.8X\n",
ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
break;
case ACPI_TYPE_STRING:
AcpiOsPrintf ("[String] Length %.2X = ", ObjDesc->String.Length);
for (i = 0; i < ObjDesc->String.Length; i++)
{
AcpiOsPrintf ("%c", ObjDesc->String.Pointer[i]);
}
AcpiOsPrintf ("\n");
break;
case ACPI_TYPE_BUFFER:
AcpiOsPrintf ("[Buffer] Length %.2X = ", ObjDesc->Buffer.Length);
if (ObjDesc->Buffer.Length)
{
AcpiUtDumpBuffer (ACPI_CAST_PTR (UINT8, ObjDesc->Buffer.Pointer),
ObjDesc->Buffer.Length, DB_DWORD_DISPLAY, _COMPONENT);
}
else
{
AcpiOsPrintf ("\n");
}
break;
case ACPI_TYPE_PACKAGE:
AcpiOsPrintf ("[Package] Contains %d Elements:\n",
ObjDesc->Package.Count);
for (i = 0; i < ObjDesc->Package.Count; i++)
{
AcpiDbDumpExternalObject (&ObjDesc->Package.Elements[i], Level+1);
}
break;
case ACPI_TYPE_LOCAL_REFERENCE:
AcpiOsPrintf ("[Object Reference] = ", ObjDesc->Reference.Handle);
AcpiDmDisplayInternalObject (ObjDesc->Reference.Handle, NULL);
break;
case ACPI_TYPE_PROCESSOR:
AcpiOsPrintf ("[Processor]\n");
break;
case ACPI_TYPE_POWER:
AcpiOsPrintf ("[Power Resource]\n");
break;
default:
AcpiOsPrintf ("[Unknown Type] %X\n", ObjDesc->Type);
break;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDbPrepNamestring
*
* PARAMETERS: Name - String to prepare
*
* RETURN: None
*
* DESCRIPTION: Translate all forward slashes and dots to backslashes.
*
******************************************************************************/
void
AcpiDbPrepNamestring (
char *Name)
{
if (!Name)
{
return;
}
AcpiUtStrupr (Name);
/* Convert a leading forward slash to a backslash */
if (*Name == '/')
{
*Name = '\\';
}
/* Ignore a leading backslash, this is the root prefix */
if (*Name == '\\')
{
Name++;
}
/* Convert all slash path separators to dots */
while (*Name)
{
if ((*Name == '/') ||
(*Name == '\\'))
{
*Name = '.';
}
Name++;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDbLocalNsLookup
*
* PARAMETERS: Name - Name to lookup
*
* RETURN: Pointer to a namespace node, null on failure
*
* DESCRIPTION: Lookup a name in the ACPI namespace
*
* Note: Currently begins search from the root. Could be enhanced to use
* the current prefix (scope) node as the search beginning point.
*
******************************************************************************/
ACPI_NAMESPACE_NODE *
AcpiDbLocalNsLookup (
char *Name)
{
char *InternalPath;
ACPI_STATUS Status;
ACPI_NAMESPACE_NODE *Node = NULL;
AcpiDbPrepNamestring (Name);
/* Build an internal namestring */
Status = AcpiNsInternalizeName (Name, &InternalPath);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Invalid namestring: %s\n", Name);
return (NULL);
}
/*
* Lookup the name.
* (Uses root node as the search starting point)
*/
Status = AcpiNsLookup (NULL, InternalPath, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE, NULL, &Node);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not locate name: %s, %s\n",
Name, AcpiFormatException (Status));
}
ACPI_FREE (InternalPath);
return (Node);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbUInt32ToHexString
*
* PARAMETERS: Value - The value to be converted to string
* Buffer - Buffer for result (not less than 11 bytes)
*
* RETURN: None
*
* DESCRIPTION: Convert the unsigned 32-bit value to the hexadecimal image
*
* NOTE: It is the caller's responsibility to ensure that the length of buffer
* is sufficient.
*
******************************************************************************/
void
AcpiDbUInt32ToHexString (
UINT32 Value,
char *Buffer)
{
UINT8 i;
if (Value == 0)
{
ACPI_STRCPY (Buffer, "0");
return;
}
ACPI_STRCPY (Buffer, "0x");
Buffer[10] = '\0';
for (i = 9; i > 1; i--)
{
Buffer[i] = Converter [Value & 0x0F];
Value = Value >> 4;
}
}
#ifdef ACPI_OBSOLETE_FUNCTIONS
/*******************************************************************************
*
* FUNCTION: AcpiDbSecondPassParse
*
* PARAMETERS: Root - Root of the parse tree
*
* RETURN: Status
*
* DESCRIPTION: Second pass parse of the ACPI tables. We need to wait until
* second pass to parse the control methods
*
******************************************************************************/
ACPI_STATUS
AcpiDbSecondPassParse (
ACPI_PARSE_OBJECT *Root)
{
ACPI_PARSE_OBJECT *Op = Root;
ACPI_PARSE_OBJECT *Method;
ACPI_PARSE_OBJECT *SearchOp;
ACPI_PARSE_OBJECT *StartOp;
ACPI_STATUS Status = AE_OK;
UINT32 BaseAmlOffset;
ACPI_WALK_STATE *WalkState;
ACPI_FUNCTION_ENTRY ();
AcpiOsPrintf ("Pass two parse ....\n");
while (Op)
{
if (Op->Common.AmlOpcode == AML_METHOD_OP)
{
Method = Op;
/* Create a new walk state for the parse */
WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
if (!WalkState)
{
return (AE_NO_MEMORY);
}
/* Init the Walk State */
WalkState->ParserState.Aml =
WalkState->ParserState.AmlStart = Method->Named.Data;
WalkState->ParserState.AmlEnd =
WalkState->ParserState.PkgEnd = Method->Named.Data +
Method->Named.Length;
WalkState->ParserState.StartScope = Op;
WalkState->DescendingCallback = AcpiDsLoad1BeginOp;
WalkState->AscendingCallback = AcpiDsLoad1EndOp;
/* Perform the AML parse */
Status = AcpiPsParseAml (WalkState);
BaseAmlOffset = (Method->Common.Value.Arg)->Common.AmlOffset + 1;
StartOp = (Method->Common.Value.Arg)->Common.Next;
SearchOp = StartOp;
while (SearchOp)
{
SearchOp->Common.AmlOffset += BaseAmlOffset;
SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp);
}
}
if (Op->Common.AmlOpcode == AML_REGION_OP)
{
/* TBD: [Investigate] this isn't quite the right thing to do! */
/*
*
* Method = (ACPI_DEFERRED_OP *) Op;
* Status = AcpiPsParseAml (Op, Method->Body, Method->BodyLength);
*/
}
if (ACPI_FAILURE (Status))
{
break;
}
Op = AcpiPsGetDepthNext (Root, Op);
}
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbDumpBuffer
*
* PARAMETERS: Address - Pointer to the buffer
*
* RETURN: None
*
* DESCRIPTION: Print a portion of a buffer
*
******************************************************************************/
void
AcpiDbDumpBuffer (
UINT32 Address)
{
AcpiOsPrintf ("\nLocation %X:\n", Address);
AcpiDbgLevel |= ACPI_LV_TABLES;
AcpiUtDumpBuffer (ACPI_TO_POINTER (Address), 64, DB_BYTE_DISPLAY,
ACPI_UINT32_MAX);
}
#endif
#endif /* ACPI_DEBUGGER */