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f-stack/freebsd/contrib/dev/acpica/components/debugger/dbmethod.c

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/*******************************************************************************
*
* Module Name: dbmethod - Debug commands for control methods
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2020, 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.
*
*****************************************************************************
*
* Alternatively, you may choose to be licensed under the terms of the
* following license:
*
* 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.
*
* 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 MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* 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 DAMAGE.
*
* Alternatively, you may choose to be licensed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
*****************************************************************************/
#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/acparser.h>
#include <contrib/dev/acpica/include/acpredef.h>
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("dbmethod")
/* Local prototypes */
static ACPI_STATUS
AcpiDbWalkForExecute (
ACPI_HANDLE ObjHandle,
UINT32 NestingLevel,
void *Context,
void **ReturnValue);
static ACPI_STATUS
AcpiDbEvaluateObject (
ACPI_NAMESPACE_NODE *Node);
/*******************************************************************************
*
* 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;
UINT32 AmlOffset;
if (!Op)
{
AcpiOsPrintf ("There is no method currently executing\n");
return;
}
/* Get and verify the breakpoint address */
Address = strtoul (Location, NULL, 16);
AmlOffset = (UINT32) ACPI_PTR_DIFF (Op->Common.Aml,
WalkState->ParserState.AmlStart);
if (Address <= AmlOffset)
{
AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n",
Address, 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 = strtoul (ValueArg, NULL, 16);
if (Type == 'N')
{
Node = AcpiDbConvertToNode (IndexArg);
if (!Node)
{
return;
}
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 = 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);
AcpiDbDisplayInternalObject (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);
AcpiDbDisplayInternalObject (ObjDesc, WalkState);
break;
default:
break;
}
Cleanup:
AcpiUtRemoveReference (ObjDesc);
}
#ifdef ACPI_DISASSEMBLER
/*******************************************************************************
*
* 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 = strtoul (Statements, NULL, 0);
}
AcpiDmDisassemble (NULL, Op, NumStatements);
}
/*******************************************************************************
*
* 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);
}
if (Method->Type != ACPI_TYPE_METHOD)
{
ACPI_ERROR ((AE_INFO, "%s (%s): Object must be a control method",
Name, AcpiUtGetTypeName (Method->Type)));
return (AE_BAD_PARAMETER);
}
ObjDesc = Method->Object;
Op = AcpiPsCreateScopeOp (ObjDesc->Method.AmlStart);
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);
}
Status = AcpiUtAllocateOwnerId (&ObjDesc->Method.OwnerId);
if (ACPI_FAILURE(Status))
{
return (Status);
}
WalkState->OwnerId = ObjDesc->Method.OwnerId;
/* Push start scope on scope stack and make it current */
Status = AcpiDsScopeStackPush (Method,
Method->Type, WalkState);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Parse the entire method AML including deferred operators */
WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;
Status = AcpiPsParseAml (WalkState);
if (ACPI_FAILURE(Status))
{
return (Status);
}
(void) AcpiDmParseDeferredOps (Op);
/* Now we can disassemble the method */
AcpiGbl_DmOpt_Verbose = FALSE;
AcpiDmDisassemble (NULL, Op, 0);
AcpiGbl_DmOpt_Verbose = TRUE;
AcpiPsDeleteParseTree (Op);
/* Method cleanup */
AcpiNsDeleteNamespaceSubtree (Method);
AcpiNsDeleteNamespaceByOwner (ObjDesc->Method.OwnerId);
AcpiUtReleaseOwnerId (&ObjDesc->Method.OwnerId);
return (AE_OK);
}
#endif
/*******************************************************************************
*
* FUNCTION: AcpiDbEvaluateObject
*
* PARAMETERS: Node - Namespace node for the object
*
* RETURN: Status
*
* DESCRIPTION: Main execution function for the Evaluate/Execute/All debugger
* commands.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbEvaluateObject (
ACPI_NAMESPACE_NODE *Node)
{
char *Pathname;
UINT32 i;
ACPI_DEVICE_INFO *ObjInfo;
ACPI_OBJECT_LIST ParamObjects;
ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS];
ACPI_BUFFER ReturnObj;
ACPI_STATUS Status;
Pathname = AcpiNsGetExternalPathname (Node);
if (!Pathname)
{
return (AE_OK);
}
/* Get the object info for number of method parameters */
Status = AcpiGetObjectInfo (Node, &ObjInfo);
if (ACPI_FAILURE (Status))
{
ACPI_FREE (Pathname);
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);
AcpiGbl_MethodExecuting = FALSE;
AcpiOsPrintf ("%-32s returned %s\n", Pathname, AcpiFormatException (Status));
if (ReturnObj.Length)
{
AcpiOsPrintf ("Evaluation of %s returned object %p, "
"external buffer length %X\n",
Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length);
AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);
AcpiOsPrintf ("\n");
}
ACPI_FREE (Pathname);
/* Ignore status from method execution */
return (AE_OK);
/* Update count, check if we have executed enough methods */
}
/*******************************************************************************
*
* FUNCTION: AcpiDbWalkForExecute
*
* PARAMETERS: Callback from WalkNamespace
*
* RETURN: Status
*
* DESCRIPTION: Batch execution function. Evaluates all "predefined" objects --
* the nameseg begins with an underscore.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbWalkForExecute (
ACPI_HANDLE ObjHandle,
UINT32 NestingLevel,
void *Context,
void **ReturnValue)
{
ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
ACPI_DB_EXECUTE_WALK *Info = (ACPI_DB_EXECUTE_WALK *) Context;
ACPI_STATUS Status;
const ACPI_PREDEFINED_INFO *Predefined;
Predefined = AcpiUtMatchPredefinedMethod (Node->Name.Ascii);
if (!Predefined)
{
return (AE_OK);
}
if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
{
return (AE_OK);
}
AcpiDbEvaluateObject (Node);
/* Ignore status from object evaluation */
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: AcpiDbWalkForExecuteAll
*
* PARAMETERS: Callback from WalkNamespace
*
* RETURN: Status
*
* DESCRIPTION: Batch execution function. Evaluates all objects whose path ends
* with the nameseg "Info->NameSeg". Used for the "ALL" command.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbWalkForExecuteAll (
ACPI_HANDLE ObjHandle,
UINT32 NestingLevel,
void *Context,
void **ReturnValue)
{
ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
ACPI_DB_EXECUTE_WALK *Info = (ACPI_DB_EXECUTE_WALK *) Context;
ACPI_STATUS Status;
if (!ACPI_COMPARE_NAMESEG (Node->Name.Ascii, Info->NameSeg))
{
return (AE_OK);
}
if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
{
return (AE_OK);
}
/* Now evaluate the input object (node) */
AcpiDbEvaluateObject (Node);
/* Ignore status from method execution */
Status = AE_OK;
/* Update count of executed methods/objects */
Info->Count++;
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbEvaluatePredefinedNames
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Namespace batch execution. Execute predefined names in the
* namespace, up to the max count, if specified.
*
******************************************************************************/
void
AcpiDbEvaluatePredefinedNames (
void)
{
ACPI_DB_EXECUTE_WALK Info;
Info.Count = 0;
Info.MaxCount = ACPI_UINT32_MAX;
/* Search all nodes in namespace */
(void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
AcpiDbWalkForExecute, NULL, (void *) &Info, NULL);
AcpiOsPrintf ("Evaluated %u predefined names in the namespace\n", Info.Count);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbEvaluateAll
*
* PARAMETERS: NoneAcpiGbl_DbMethodInfo
*
* RETURN: None
*
* DESCRIPTION: Namespace batch execution. Implements the "ALL" command.
* Execute all namepaths whose final nameseg matches the
* input nameseg.
*
******************************************************************************/
void
AcpiDbEvaluateAll (
char *NameSeg)
{
ACPI_DB_EXECUTE_WALK Info;
Info.Count = 0;
Info.MaxCount = ACPI_UINT32_MAX;
ACPI_COPY_NAMESEG (Info.NameSeg, NameSeg);
Info.NameSeg[ACPI_NAMESEG_SIZE] = 0;
/* Search all nodes in namespace */
(void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
AcpiDbWalkForExecuteAll, NULL, (void *) &Info, NULL);
AcpiOsPrintf ("Evaluated %u names in the namespace\n", Info.Count);
}
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