| Current Path : /usr/src/sys/contrib/dev/acpica/debugger/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/sys/contrib/dev/acpica/debugger/dbmethod.c |
/*******************************************************************************
*
* Module Name: dbmethod - Debug commands for control methods
*
******************************************************************************/
/*
* 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/acdispat.h>
#include <contrib/dev/acpica/include/acnamesp.h>
#include <contrib/dev/acpica/include/acdebug.h>
#include <contrib/dev/acpica/include/acdisasm.h>
#include <contrib/dev/acpica/include/acparser.h>
#ifdef ACPI_DEBUGGER
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("dbmethod")
/* Local prototypes */
static ACPI_STATUS
AcpiDbWalkForExecute (
ACPI_HANDLE ObjHandle,
UINT32 NestingLevel,
void *Context,
void **ReturnValue);
/*******************************************************************************
*
* FUNCTION: AcpiDbSetMethodBreakpoint
*
* PARAMETERS: Location - AML offset of breakpoint
* WalkState - Current walk info
* Op - Current Op (from parse walk)
*
* RETURN: None
*
* DESCRIPTION: Set a breakpoint in a control method at the specified
* AML offset
*
******************************************************************************/
void
AcpiDbSetMethodBreakpoint (
char *Location,
ACPI_WALK_STATE *WalkState,
ACPI_PARSE_OBJECT *Op)
{
UINT32 Address;
if (!Op)
{
AcpiOsPrintf ("There is no method currently executing\n");
return;
}
/* Get and verify the breakpoint address */
Address = ACPI_STRTOUL (Location, NULL, 16);
if (Address <= Op->Common.AmlOffset)
{
AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n",
Address, Op->Common.AmlOffset);
}
/* Save breakpoint in current walk */
WalkState->UserBreakpoint = Address;
AcpiOsPrintf ("Breakpoint set at AML offset %X\n", Address);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbSetMethodCallBreakpoint
*
* PARAMETERS: Op - Current Op (from parse walk)
*
* RETURN: None
*
* DESCRIPTION: Set a breakpoint in a control method at the specified
* AML offset
*
******************************************************************************/
void
AcpiDbSetMethodCallBreakpoint (
ACPI_PARSE_OBJECT *Op)
{
if (!Op)
{
AcpiOsPrintf ("There is no method currently executing\n");
return;
}
AcpiGbl_StepToNextCall = TRUE;
}
/*******************************************************************************
*
* FUNCTION: AcpiDbSetMethodData
*
* PARAMETERS: TypeArg - L for local, A for argument
* IndexArg - which one
* ValueArg - Value to set.
*
* RETURN: None
*
* DESCRIPTION: Set a local or argument for the running control method.
* NOTE: only object supported is Number.
*
******************************************************************************/
void
AcpiDbSetMethodData (
char *TypeArg,
char *IndexArg,
char *ValueArg)
{
char Type;
UINT32 Index;
UINT32 Value;
ACPI_WALK_STATE *WalkState;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_STATUS Status;
ACPI_NAMESPACE_NODE *Node;
/* Validate TypeArg */
AcpiUtStrupr (TypeArg);
Type = TypeArg[0];
if ((Type != 'L') &&
(Type != 'A') &&
(Type != 'N'))
{
AcpiOsPrintf ("Invalid SET operand: %s\n", TypeArg);
return;
}
Value = ACPI_STRTOUL (ValueArg, NULL, 16);
if (Type == 'N')
{
Node = AcpiDbConvertToNode (IndexArg);
if (Node->Type != ACPI_TYPE_INTEGER)
{
AcpiOsPrintf ("Can only set Integer nodes\n");
return;
}
ObjDesc = Node->Object;
ObjDesc->Integer.Value = Value;
return;
}
/* Get the index and value */
Index = ACPI_STRTOUL (IndexArg, NULL, 16);
WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
if (!WalkState)
{
AcpiOsPrintf ("There is no method currently executing\n");
return;
}
/* Create and initialize the new object */
ObjDesc = AcpiUtCreateIntegerObject ((UINT64) Value);
if (!ObjDesc)
{
AcpiOsPrintf ("Could not create an internal object\n");
return;
}
/* Store the new object into the target */
switch (Type)
{
case 'A':
/* Set a method argument */
if (Index > ACPI_METHOD_MAX_ARG)
{
AcpiOsPrintf ("Arg%u - Invalid argument name\n", Index);
goto Cleanup;
}
Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_ARG, Index, ObjDesc,
WalkState);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
ObjDesc = WalkState->Arguments[Index].Object;
AcpiOsPrintf ("Arg%u: ", Index);
AcpiDmDisplayInternalObject (ObjDesc, WalkState);
break;
case 'L':
/* Set a method local */
if (Index > ACPI_METHOD_MAX_LOCAL)
{
AcpiOsPrintf ("Local%u - Invalid local variable name\n", Index);
goto Cleanup;
}
Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_LOCAL, Index, ObjDesc,
WalkState);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
ObjDesc = WalkState->LocalVariables[Index].Object;
AcpiOsPrintf ("Local%u: ", Index);
AcpiDmDisplayInternalObject (ObjDesc, WalkState);
break;
default:
break;
}
Cleanup:
AcpiUtRemoveReference (ObjDesc);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbDisassembleAml
*
* PARAMETERS: Statements - Number of statements to disassemble
* Op - Current Op (from parse walk)
*
* RETURN: None
*
* DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
* of statements specified.
*
******************************************************************************/
void
AcpiDbDisassembleAml (
char *Statements,
ACPI_PARSE_OBJECT *Op)
{
UINT32 NumStatements = 8;
if (!Op)
{
AcpiOsPrintf ("There is no method currently executing\n");
return;
}
if (Statements)
{
NumStatements = ACPI_STRTOUL (Statements, NULL, 0);
}
#ifdef ACPI_DISASSEMBLER
AcpiDmDisassemble (NULL, Op, NumStatements);
#endif
}
/*******************************************************************************
*
* FUNCTION: AcpiDbDisassembleMethod
*
* PARAMETERS: Name - Name of control method
*
* RETURN: None
*
* DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
* of statements specified.
*
******************************************************************************/
ACPI_STATUS
AcpiDbDisassembleMethod (
char *Name)
{
ACPI_STATUS Status;
ACPI_PARSE_OBJECT *Op;
ACPI_WALK_STATE *WalkState;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_NAMESPACE_NODE *Method;
Method = AcpiDbConvertToNode (Name);
if (!Method)
{
return (AE_BAD_PARAMETER);
}
ObjDesc = Method->Object;
Op = AcpiPsCreateScopeOp ();
if (!Op)
{
return (AE_NO_MEMORY);
}
/* Create and initialize a new walk state */
WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL);
if (!WalkState)
{
return (AE_NO_MEMORY);
}
Status = AcpiDsInitAmlWalk (WalkState, Op, NULL,
ObjDesc->Method.AmlStart,
ObjDesc->Method.AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Parse the AML */
WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;
Status = AcpiPsParseAml (WalkState);
#ifdef ACPI_DISASSEMBLER
AcpiDmDisassemble (NULL, Op, 0);
#endif
AcpiPsDeleteParseTree (Op);
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbWalkForExecute
*
* PARAMETERS: Callback from WalkNamespace
*
* RETURN: Status
*
* DESCRIPTION: Batch execution module. Currently only executes predefined
* ACPI names.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbWalkForExecute (
ACPI_HANDLE ObjHandle,
UINT32 NestingLevel,
void *Context,
void **ReturnValue)
{
ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
ACPI_EXECUTE_WALK *Info = (ACPI_EXECUTE_WALK *) Context;
ACPI_BUFFER ReturnObj;
ACPI_STATUS Status;
char *Pathname;
UINT32 i;
ACPI_DEVICE_INFO *ObjInfo;
ACPI_OBJECT_LIST ParamObjects;
ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS];
const ACPI_PREDEFINED_INFO *Predefined;
Predefined = AcpiNsCheckForPredefinedName (Node);
if (!Predefined)
{
return (AE_OK);
}
if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
{
return (AE_OK);
}
Pathname = AcpiNsGetExternalPathname (Node);
if (!Pathname)
{
return (AE_OK);
}
/* Get the object info for number of method parameters */
Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo);
if (ACPI_FAILURE (Status))
{
return (Status);
}
ParamObjects.Pointer = NULL;
ParamObjects.Count = 0;
if (ObjInfo->Type == ACPI_TYPE_METHOD)
{
/* Setup default parameters */
for (i = 0; i < ObjInfo->ParamCount; i++)
{
Params[i].Type = ACPI_TYPE_INTEGER;
Params[i].Integer.Value = 1;
}
ParamObjects.Pointer = Params;
ParamObjects.Count = ObjInfo->ParamCount;
}
ACPI_FREE (ObjInfo);
ReturnObj.Pointer = NULL;
ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
/* Do the actual method execution */
AcpiGbl_MethodExecuting = TRUE;
Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj);
AcpiOsPrintf ("%-32s returned %s\n", Pathname, AcpiFormatException (Status));
AcpiGbl_MethodExecuting = FALSE;
ACPI_FREE (Pathname);
/* Ignore status from method execution */
Status = AE_OK;
/* Update count, check if we have executed enough methods */
Info->Count++;
if (Info->Count >= Info->MaxCount)
{
Status = AE_CTRL_TERMINATE;
}
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbBatchExecute
*
* PARAMETERS: CountArg - Max number of methods to execute
*
* RETURN: None
*
* DESCRIPTION: Namespace batch execution. Execute predefined names in the
* namespace, up to the max count, if specified.
*
******************************************************************************/
void
AcpiDbBatchExecute (
char *CountArg)
{
ACPI_EXECUTE_WALK Info;
Info.Count = 0;
Info.MaxCount = ACPI_UINT32_MAX;
if (CountArg)
{
Info.MaxCount = ACPI_STRTOUL (CountArg, NULL, 0);
}
/* Search all nodes in namespace */
(void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
AcpiDbWalkForExecute, NULL, (void *) &Info, NULL);
AcpiOsPrintf ("Executed %u predefined names in the namespace\n", Info.Count);
}
#endif /* ACPI_DEBUGGER */