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95b9973991
freebsd/sys/contrib/dev/acpica/dbexec.c
Mike Smith 838fd87dd9 Update to the 20010125 ACPI CA snapshot.
2001-01-31 09:17:50 +00:00

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/*******************************************************************************
*
* Module Name: dbexec - debugger control method execution
* $Revision: 21 $
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999, 2000, 2001, 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 "acparser.h"
#include "acdispat.h"
#include "amlcode.h"
#include "acnamesp.h"
#include "acparser.h"
#include "acevents.h"
#include "acinterp.h"
#include "acdebug.h"
#include "actables.h"
#ifdef ENABLE_DEBUGGER
#define _COMPONENT DEBUGGER
MODULE_NAME ("dbexec")
typedef struct dbmethodinfo
{
ACPI_HANDLE ThreadGate;
NATIVE_CHAR *Name;
NATIVE_CHAR **Args;
UINT32 Flags;
UINT32 NumLoops;
NATIVE_CHAR Pathname[128];
} DB_METHOD_INFO;
DB_METHOD_INFO Info;
/*******************************************************************************
*
* FUNCTION: AcpiDbExecuteMethod
*
* PARAMETERS: Info - Valid info segment
* ReturnObj - Where to put return object
*
* RETURN: Status
*
* DESCRIPTION: Execute a control method.
*
******************************************************************************/
ACPI_STATUS
AcpiDbExecuteMethod (
DB_METHOD_INFO *Info,
ACPI_BUFFER *ReturnObj)
{
ACPI_STATUS Status;
ACPI_OBJECT_LIST ParamObjects;
ACPI_OBJECT Params[MTH_NUM_ARGS];
UINT32 i;
if (OutputToFile && !AcpiDbgLevel)
{
AcpiOsPrintf ("Warning: debug output is not enabled!\n");
}
/* Are there arguments to the method? */
if (Info->Args && Info->Args[0])
{
for (i = 0; Info->Args[i] && i < MTH_NUM_ARGS; i++)
{
Params[i].Type = ACPI_TYPE_INTEGER;
Params[i].Integer.Value = STRTOUL (Info->Args[i], NULL, 16);
}
ParamObjects.Pointer = Params;
ParamObjects.Count = i;
}
else
{
/* Setup default parameters */
Params[0].Type = ACPI_TYPE_INTEGER;
Params[0].Integer.Value = 0x01020304;
Params[1].Type = ACPI_TYPE_STRING;
Params[1].String.Length = 12;
Params[1].String.Pointer = "AML Debugger";
ParamObjects.Pointer = Params;
ParamObjects.Count = 2;
}
/* Prepare for a return object of arbitrary size */
ReturnObj->Pointer = Buffer;
ReturnObj->Length = BUFFER_SIZE;
/* Do the actual method execution */
Status = AcpiEvaluateObject (NULL, Info->Pathname, &ParamObjects, ReturnObj);
AcpiGbl_CmSingleStep = FALSE;
AcpiGbl_MethodExecuting = FALSE;
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbExecuteSetup
*
* PARAMETERS: Info - Valid method info
*
* RETURN: Status
*
* DESCRIPTION: Setup info segment prior to method execution
*
******************************************************************************/
void
AcpiDbExecuteSetup (
DB_METHOD_INFO *Info)
{
/* Catenate the current scope to the supplied name */
Info->Pathname[0] = 0;
if ((Info->Name[0] != '\\') &&
(Info->Name[0] != '/'))
{
STRCAT (Info->Pathname, ScopeBuf);
}
STRCAT (Info->Pathname, Info->Name);
AcpiDbPrepNamestring (Info->Pathname);
AcpiDbSetOutputDestination (DB_DUPLICATE_OUTPUT);
AcpiOsPrintf ("Executing %s\n", Info->Pathname);
if (Info->Flags & EX_SINGLE_STEP)
{
AcpiGbl_CmSingleStep = TRUE;
AcpiDbSetOutputDestination (DB_CONSOLE_OUTPUT);
}
else
{
/* No single step, allow redirection to a file */
AcpiDbSetOutputDestination (DB_REDIRECTABLE_OUTPUT);
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDbExecute
*
* PARAMETERS: Name - Name of method to execute
* Args - Parameters to the method
* Flags - single step/no single step
*
* RETURN: Status
*
* DESCRIPTION: Execute a control method. Name is relative to the current
* scope.
*
******************************************************************************/
void
AcpiDbExecute (
NATIVE_CHAR *Name,
NATIVE_CHAR **Args,
UINT32 Flags)
{
ACPI_STATUS Status;
ACPI_BUFFER ReturnObj;
#ifdef ACPI_DEBUG
UINT32 PreviousAllocations;
UINT32 PreviousSize;
UINT32 Allocations;
UINT32 Size;
/* Memory allocation tracking */
PreviousAllocations = AcpiGbl_CurrentAllocCount;
PreviousSize = AcpiGbl_CurrentAllocSize;
#endif
Info.Name = Name;
Info.Args = Args;
Info.Flags = Flags;
AcpiDbExecuteSetup (&Info);
Status = AcpiDbExecuteMethod (&Info, &ReturnObj);
#ifdef ACPI_DEBUG
/* Memory allocation tracking */
Allocations = AcpiGbl_CurrentAllocCount - PreviousAllocations;
Size = AcpiGbl_CurrentAllocSize - PreviousSize;
AcpiDbSetOutputDestination (DB_DUPLICATE_OUTPUT);
if (Allocations > 0)
{
AcpiOsPrintf ("Outstanding: %ld allocations of total size %ld after execution\n",
Allocations, Size);
}
#endif
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Execution of %s failed with status %s\n", Info.Pathname, AcpiCmFormatException (Status));
}
else
{
/* Display a return object, if any */
if (ReturnObj.Length)
{
AcpiOsPrintf ("Execution of %s returned object %p\n", Info.Pathname, ReturnObj.Pointer);
AcpiDbDumpObject (ReturnObj.Pointer, 1);
}
}
AcpiDbSetOutputDestination (DB_CONSOLE_OUTPUT);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbMethodThread
*
* PARAMETERS: Context - Execution info segment
*
* RETURN: None
*
* DESCRIPTION: Debugger execute thread. Waits for a command line, then
* simply dispatches it.
*
******************************************************************************/
void
AcpiDbMethodThread (
void *Context)
{
ACPI_STATUS Status;
DB_METHOD_INFO *Info = Context;
UINT32 i;
ACPI_BUFFER ReturnObj;
for (i = 0; i < Info->NumLoops; i++)
{
Status = AcpiDbExecuteMethod (Info, &ReturnObj);
if (ACPI_SUCCESS (Status))
{
if (ReturnObj.Length)
{
AcpiOsPrintf ("Execution of %s returned object %p\n", Info->Pathname, ReturnObj.Pointer);
AcpiDbDumpObject (ReturnObj.Pointer, 1);
}
}
}
/* Signal our completion */
AcpiOsSignalSemaphore (Info->ThreadGate, 1);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbCreateExecutionThreads
*
* PARAMETERS: NumThreadsArg - Number of threads to create
* NumLoopsArg - Loop count for the thread(s)
* MethodNameArg - Control method to execute
*
* RETURN: None
*
* DESCRIPTION: Create threads to execute method(s)
*
******************************************************************************/
void
AcpiDbCreateExecutionThreads (
NATIVE_CHAR *NumThreadsArg,
NATIVE_CHAR *NumLoopsArg,
NATIVE_CHAR *MethodNameArg)
{
ACPI_STATUS Status;
UINT32 NumThreads;
UINT32 NumLoops;
UINT32 i;
ACPI_HANDLE ThreadGate;
/* Get the arguments */
NumThreads = STRTOUL (NumThreadsArg, NULL, 0);
NumLoops = STRTOUL (NumLoopsArg, NULL, 0);
if (!NumThreads || !NumLoops)
{
AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", NumThreads, NumLoops);
return;
}
/* Create the synchronization semaphore */
Status = AcpiOsCreateSemaphore (1, 0, &ThreadGate);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not create semaphore, %s\n", AcpiCmFormatException (Status));
return;
}
/* Setup the context to be passed to each thread */
Info.Name = MethodNameArg;
Info.Args = NULL;
Info.Flags = 0;
Info.NumLoops = NumLoops;
Info.ThreadGate = ThreadGate;
AcpiDbExecuteSetup (&Info);
/* Create the threads */
AcpiOsPrintf ("Creating %X threads to execute %X times each\n", NumThreads, NumLoops);
for (i = 0; i < (NumThreads); i++)
{
AcpiOsQueueForExecution (OSD_PRIORITY_MED, AcpiDbMethodThread, &Info);
}
/* Wait for all threads to complete */
i = NumThreads;
while (i) /* Brain damage for OSD implementations that only support wait of 1 unit */
{
Status = AcpiOsWaitSemaphore (ThreadGate, 1, WAIT_FOREVER);
i--;
}
/* Cleanup and exit */
AcpiOsDeleteSemaphore (ThreadGate);
AcpiDbSetOutputDestination (DB_DUPLICATE_OUTPUT);
AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
AcpiDbSetOutputDestination (DB_CONSOLE_OUTPUT);
}
#endif /* ENABLE_DEBUGGER */
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