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/*******************************************************************************
*
* Module Name: dmobject - ACPI object decode and display
*
******************************************************************************/
/*
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acnamesp.h>
#include <contrib/dev/acpica/include/acdisasm.h>
#ifdef ACPI_DISASSEMBLER
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("dmnames")
/* Local prototypes */
static void
AcpiDmDecodeNode (
ACPI_NAMESPACE_NODE *Node);
/*******************************************************************************
*
* FUNCTION: AcpiDmDumpMethodInfo
*
* PARAMETERS: Status - Method execution status
* WalkState - Current state of the parse tree walk
* Op - Executing parse op
*
* RETURN: None
*
* DESCRIPTION: Called when a method has been aborted because of an error.
* Dumps the method execution stack, and the method locals/args,
* and disassembles the AML opcode that failed.
*
******************************************************************************/
void
AcpiDmDumpMethodInfo (
ACPI_STATUS Status,
ACPI_WALK_STATE *WalkState,
ACPI_PARSE_OBJECT *Op)
{
ACPI_PARSE_OBJECT *Next;
ACPI_THREAD_STATE *Thread;
ACPI_WALK_STATE *NextWalkState;
ACPI_NAMESPACE_NODE *PreviousMethod = NULL;
/* Ignore control codes, they are not errors */
if ((Status & AE_CODE_MASK) == AE_CODE_CONTROL)
{
return;
}
/* We may be executing a deferred opcode */
if (WalkState->DeferredNode)
{
AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
return;
}
/*
* If there is no Thread, we are not actually executing a method.
* This can happen when the iASL compiler calls the interpreter
* to perform constant folding.
*/
Thread = WalkState->Thread;
if (!Thread)
{
return;
}
/* Display exception and method name */
AcpiOsPrintf ("\n**** Exception %s during execution of method ",
AcpiFormatException (Status));
AcpiNsPrintNodePathname (WalkState->MethodNode, NULL);
/* Display stack of executing methods */
AcpiOsPrintf ("\n\nMethod Execution Stack:\n");
NextWalkState = Thread->WalkStateList;
/* Walk list of linked walk states */
while (NextWalkState)
{
AcpiOsPrintf (" Method [%4.4s] executing: ",
AcpiUtGetNodeName (NextWalkState->MethodNode));
/* First method is the currently executing method */
if (NextWalkState == WalkState)
{
if (Op)
{
/* Display currently executing ASL statement */
Next = Op->Common.Next;
Op->Common.Next = NULL;
AcpiDmDisassemble (NextWalkState, Op, ACPI_UINT32_MAX);
Op->Common.Next = Next;
}
}
else
{
/*
* This method has called another method
* NOTE: the method call parse subtree is already deleted at this
* point, so we cannot disassemble the method invocation.
*/
AcpiOsPrintf ("Call to method ");
AcpiNsPrintNodePathname (PreviousMethod, NULL);
}
PreviousMethod = NextWalkState->MethodNode;
NextWalkState = NextWalkState->Next;
AcpiOsPrintf ("\n");
}
/* Display the method locals and arguments */
AcpiOsPrintf ("\n");
AcpiDmDisplayLocals (WalkState);
AcpiOsPrintf ("\n");
AcpiDmDisplayArguments (WalkState);
AcpiOsPrintf ("\n");
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDecodeInternalObject
*
* PARAMETERS: ObjDesc - Object to be displayed
*
* RETURN: None
*
* DESCRIPTION: Short display of an internal object. Numbers/Strings/Buffers.
*
******************************************************************************/
void
AcpiDmDecodeInternalObject (
ACPI_OPERAND_OBJECT *ObjDesc)
{
UINT32 i;
if (!ObjDesc)
{
AcpiOsPrintf (" Uninitialized");
return;
}
if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
{
AcpiOsPrintf (" %p [%s]", ObjDesc, AcpiUtGetDescriptorName (ObjDesc));
return;
}
AcpiOsPrintf (" %s", AcpiUtGetObjectTypeName (ObjDesc));
switch (ObjDesc->Common.Type)
{
case ACPI_TYPE_INTEGER:
AcpiOsPrintf (" %8.8X%8.8X",
ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
break;
case ACPI_TYPE_STRING:
AcpiOsPrintf ("(%u) \"%.24s",
ObjDesc->String.Length, ObjDesc->String.Pointer);
if (ObjDesc->String.Length > 24)
{
AcpiOsPrintf ("...");
}
else
{
AcpiOsPrintf ("\"");
}
break;
case ACPI_TYPE_BUFFER:
AcpiOsPrintf ("(%u)", ObjDesc->Buffer.Length);
for (i = 0; (i < 8) && (i < ObjDesc->Buffer.Length); i++)
{
AcpiOsPrintf (" %2.2X", ObjDesc->Buffer.Pointer[i]);
}
break;
default:
AcpiOsPrintf (" %p", ObjDesc);
break;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDecodeNode
*
* PARAMETERS: Node - Object to be displayed
*
* RETURN: None
*
* DESCRIPTION: Short display of a namespace node
*
******************************************************************************/
static void
AcpiDmDecodeNode (
ACPI_NAMESPACE_NODE *Node)
{
AcpiOsPrintf ("<Node> Name %4.4s",
AcpiUtGetNodeName (Node));
if (Node->Flags & ANOBJ_METHOD_ARG)
{
AcpiOsPrintf (" [Method Arg]");
}
if (Node->Flags & ANOBJ_METHOD_LOCAL)
{
AcpiOsPrintf (" [Method Local]");
}
switch (Node->Type)
{
/* These types have no attached object */
case ACPI_TYPE_DEVICE:
AcpiOsPrintf (" Device");
break;
case ACPI_TYPE_THERMAL:
AcpiOsPrintf (" Thermal Zone");
break;
default:
AcpiDmDecodeInternalObject (AcpiNsGetAttachedObject (Node));
break;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDisplayInternalObject
*
* PARAMETERS: ObjDesc - Object to be displayed
* WalkState - Current walk state
*
* RETURN: None
*
* DESCRIPTION: Short display of an internal object
*
******************************************************************************/
void
AcpiDmDisplayInternalObject (
ACPI_OPERAND_OBJECT *ObjDesc,
ACPI_WALK_STATE *WalkState)
{
UINT8 Type;
AcpiOsPrintf ("%p ", ObjDesc);
if (!ObjDesc)
{
AcpiOsPrintf ("<Null Object>\n");
return;
}
/* Decode the object type */
switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
{
case ACPI_DESC_TYPE_PARSER:
AcpiOsPrintf ("<Parser> ");
break;
case ACPI_DESC_TYPE_NAMED:
AcpiDmDecodeNode ((ACPI_NAMESPACE_NODE *) ObjDesc);
break;
case ACPI_DESC_TYPE_OPERAND:
Type = ObjDesc->Common.Type;
if (Type > ACPI_TYPE_LOCAL_MAX)
{
AcpiOsPrintf (" Type %X [Invalid Type]", (UINT32) Type);
return;
}
/* Decode the ACPI object type */
switch (ObjDesc->Common.Type)
{
case ACPI_TYPE_LOCAL_REFERENCE:
AcpiOsPrintf ("[%s] ", AcpiUtGetReferenceName (ObjDesc));
/* Decode the refererence */
switch (ObjDesc->Reference.Class)
{
case ACPI_REFCLASS_LOCAL:
AcpiOsPrintf ("%X ", ObjDesc->Reference.Value);
if (WalkState)
{
ObjDesc = WalkState->LocalVariables
[ObjDesc->Reference.Value].Object;
AcpiOsPrintf ("%p", ObjDesc);
AcpiDmDecodeInternalObject (ObjDesc);
}
break;
case ACPI_REFCLASS_ARG:
AcpiOsPrintf ("%X ", ObjDesc->Reference.Value);
if (WalkState)
{
ObjDesc = WalkState->Arguments
[ObjDesc->Reference.Value].Object;
AcpiOsPrintf ("%p", ObjDesc);
AcpiDmDecodeInternalObject (ObjDesc);
}
break;
case ACPI_REFCLASS_INDEX:
switch (ObjDesc->Reference.TargetType)
{
case ACPI_TYPE_BUFFER_FIELD:
AcpiOsPrintf ("%p", ObjDesc->Reference.Object);
AcpiDmDecodeInternalObject (ObjDesc->Reference.Object);
break;
case ACPI_TYPE_PACKAGE:
AcpiOsPrintf ("%p", ObjDesc->Reference.Where);
if (!ObjDesc->Reference.Where)
{
AcpiOsPrintf (" Uninitialized WHERE pointer");
}
else
{
AcpiDmDecodeInternalObject (
*(ObjDesc->Reference.Where));
}
break;
default:
AcpiOsPrintf ("Unknown index target type");
break;
}
break;
case ACPI_REFCLASS_REFOF:
if (!ObjDesc->Reference.Object)
{
AcpiOsPrintf ("Uninitialized reference subobject pointer");
break;
}
/* Reference can be to a Node or an Operand object */
switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc->Reference.Object))
{
case ACPI_DESC_TYPE_NAMED:
AcpiDmDecodeNode (ObjDesc->Reference.Object);
break;
case ACPI_DESC_TYPE_OPERAND:
AcpiDmDecodeInternalObject (ObjDesc->Reference.Object);
break;
default:
break;
}
break;
case ACPI_REFCLASS_NAME:
AcpiDmDecodeNode (ObjDesc->Reference.Node);
break;
case ACPI_REFCLASS_DEBUG:
case ACPI_REFCLASS_TABLE:
AcpiOsPrintf ("\n");
break;
default: /* Unknown reference class */
AcpiOsPrintf ("%2.2X\n", ObjDesc->Reference.Class);
break;
}
break;
default:
AcpiOsPrintf ("<Obj> ");
AcpiDmDecodeInternalObject (ObjDesc);
break;
}
break;
default:
AcpiOsPrintf ("<Not a valid ACPI Object Descriptor> [%s]",
AcpiUtGetDescriptorName (ObjDesc));
break;
}
AcpiOsPrintf ("\n");
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDisplayLocals
*
* PARAMETERS: WalkState - State for current method
*
* RETURN: None
*
* DESCRIPTION: Display all locals for the currently running control method
*
******************************************************************************/
void
AcpiDmDisplayLocals (
ACPI_WALK_STATE *WalkState)
{
UINT32 i;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_NAMESPACE_NODE *Node;
ObjDesc = WalkState->MethodDesc;
Node = WalkState->MethodNode;
if (!Node)
{
AcpiOsPrintf (
"No method node (Executing subtree for buffer or opregion)\n");
return;
}
if (Node->Type != ACPI_TYPE_METHOD)
{
AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
return;
}
AcpiOsPrintf ("Local Variables for method [%4.4s]:\n",
AcpiUtGetNodeName (Node));
for (i = 0; i < ACPI_METHOD_NUM_LOCALS; i++)
{
ObjDesc = WalkState->LocalVariables[i].Object;
AcpiOsPrintf (" Local%X: ", i);
AcpiDmDisplayInternalObject (ObjDesc, WalkState);
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDisplayArguments
*
* PARAMETERS: WalkState - State for current method
*
* RETURN: None
*
* DESCRIPTION: Display all arguments for the currently running control method
*
******************************************************************************/
void
AcpiDmDisplayArguments (
ACPI_WALK_STATE *WalkState)
{
UINT32 i;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_NAMESPACE_NODE *Node;
ObjDesc = WalkState->MethodDesc;
Node = WalkState->MethodNode;
if (!Node)
{
AcpiOsPrintf (
"No method node (Executing subtree for buffer or opregion)\n");
return;
}
if (Node->Type != ACPI_TYPE_METHOD)
{
AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
return;
}
AcpiOsPrintf (
"Arguments for Method [%4.4s]: (%X arguments defined, max concurrency = %X)\n",
AcpiUtGetNodeName (Node), ObjDesc->Method.ParamCount, ObjDesc->Method.SyncLevel);
for (i = 0; i < ACPI_METHOD_NUM_ARGS; i++)
{
ObjDesc = WalkState->Arguments[i].Object;
AcpiOsPrintf (" Arg%u: ", i);
AcpiDmDisplayInternalObject (ObjDesc, WalkState);
}
}
#endif