813 lines
23 KiB
C
813 lines
23 KiB
C
/*******************************************************************************
|
|
*
|
|
* Module Name: dbexec - debugger control method execution
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2014, 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 "acpi.h"
|
|
#include "accommon.h"
|
|
#include "acdebug.h"
|
|
#include "acnamesp.h"
|
|
|
|
#ifdef ACPI_DEBUGGER
|
|
|
|
#define _COMPONENT ACPI_CA_DEBUGGER
|
|
ACPI_MODULE_NAME ("dbexec")
|
|
|
|
|
|
static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo;
|
|
|
|
/* Local prototypes */
|
|
|
|
static ACPI_STATUS
|
|
AcpiDbExecuteMethod (
|
|
ACPI_DB_METHOD_INFO *Info,
|
|
ACPI_BUFFER *ReturnObj);
|
|
|
|
static ACPI_STATUS
|
|
AcpiDbExecuteSetup (
|
|
ACPI_DB_METHOD_INFO *Info);
|
|
|
|
static UINT32
|
|
AcpiDbGetOutstandingAllocations (
|
|
void);
|
|
|
|
static void ACPI_SYSTEM_XFACE
|
|
AcpiDbMethodThread (
|
|
void *Context);
|
|
|
|
static ACPI_STATUS
|
|
AcpiDbExecutionWalk (
|
|
ACPI_HANDLE ObjHandle,
|
|
UINT32 NestingLevel,
|
|
void *Context,
|
|
void **ReturnValue);
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbDeleteObjects
|
|
*
|
|
* PARAMETERS: Count - Count of objects in the list
|
|
* Objects - Array of ACPI_OBJECTs to be deleted
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Delete a list of ACPI_OBJECTS. Handles packages and nested
|
|
* packages via recursion.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiDbDeleteObjects (
|
|
UINT32 Count,
|
|
ACPI_OBJECT *Objects)
|
|
{
|
|
UINT32 i;
|
|
|
|
|
|
for (i = 0; i < Count; i++)
|
|
{
|
|
switch (Objects[i].Type)
|
|
{
|
|
case ACPI_TYPE_BUFFER:
|
|
|
|
ACPI_FREE (Objects[i].Buffer.Pointer);
|
|
break;
|
|
|
|
case ACPI_TYPE_PACKAGE:
|
|
|
|
/* Recursive call to delete package elements */
|
|
|
|
AcpiDbDeleteObjects (Objects[i].Package.Count,
|
|
Objects[i].Package.Elements);
|
|
|
|
/* Free the elements array */
|
|
|
|
ACPI_FREE (Objects[i].Package.Elements);
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbExecuteMethod
|
|
*
|
|
* PARAMETERS: Info - Valid info segment
|
|
* ReturnObj - Where to put return object
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Execute a control method.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDbExecuteMethod (
|
|
ACPI_DB_METHOD_INFO *Info,
|
|
ACPI_BUFFER *ReturnObj)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_OBJECT_LIST ParamObjects;
|
|
ACPI_OBJECT Params[ACPI_DEBUGGER_MAX_ARGS + 1];
|
|
UINT32 i;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (DbExecuteMethod);
|
|
|
|
|
|
if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel)
|
|
{
|
|
AcpiOsPrintf ("Warning: debug output is not enabled!\n");
|
|
}
|
|
|
|
ParamObjects.Count = 0;
|
|
ParamObjects.Pointer = NULL;
|
|
|
|
/* Pass through any command-line arguments */
|
|
|
|
if (Info->Args && Info->Args[0])
|
|
{
|
|
/* Get arguments passed on the command line */
|
|
|
|
for (i = 0; (Info->Args[i] && *(Info->Args[i])); i++)
|
|
{
|
|
/* Convert input string (token) to an actual ACPI_OBJECT */
|
|
|
|
Status = AcpiDbConvertToObject (Info->Types[i],
|
|
Info->Args[i], &Params[i]);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
ACPI_EXCEPTION ((AE_INFO, Status,
|
|
"While parsing method arguments"));
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
|
|
ParamObjects.Count = i;
|
|
ParamObjects.Pointer = Params;
|
|
}
|
|
|
|
/* Prepare for a return object of arbitrary size */
|
|
|
|
ReturnObj->Pointer = AcpiGbl_DbBuffer;
|
|
ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE;
|
|
|
|
/* Do the actual method execution */
|
|
|
|
AcpiGbl_MethodExecuting = TRUE;
|
|
Status = AcpiEvaluateObject (NULL, Info->Pathname,
|
|
&ParamObjects, ReturnObj);
|
|
|
|
AcpiGbl_CmSingleStep = FALSE;
|
|
AcpiGbl_MethodExecuting = FALSE;
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
ACPI_EXCEPTION ((AE_INFO, Status,
|
|
"while executing %s from debugger", Info->Pathname));
|
|
|
|
if (Status == AE_BUFFER_OVERFLOW)
|
|
{
|
|
ACPI_ERROR ((AE_INFO,
|
|
"Possible overflow of internal debugger buffer (size 0x%X needed 0x%X)",
|
|
ACPI_DEBUG_BUFFER_SIZE, (UINT32) ReturnObj->Length));
|
|
}
|
|
}
|
|
|
|
Cleanup:
|
|
AcpiDbDeleteObjects (ParamObjects.Count, Params);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbExecuteSetup
|
|
*
|
|
* PARAMETERS: Info - Valid method info
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Setup info segment prior to method execution
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDbExecuteSetup (
|
|
ACPI_DB_METHOD_INFO *Info)
|
|
{
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
ACPI_FUNCTION_NAME (DbExecuteSetup);
|
|
|
|
|
|
/* Catenate the current scope to the supplied name */
|
|
|
|
Info->Pathname[0] = 0;
|
|
if ((Info->Name[0] != '\\') &&
|
|
(Info->Name[0] != '/'))
|
|
{
|
|
if (AcpiUtSafeStrcat (Info->Pathname, sizeof (Info->Pathname),
|
|
AcpiGbl_DbScopeBuf))
|
|
{
|
|
Status = AE_BUFFER_OVERFLOW;
|
|
goto ErrorExit;
|
|
}
|
|
}
|
|
|
|
if (AcpiUtSafeStrcat (Info->Pathname, sizeof (Info->Pathname),
|
|
Info->Name))
|
|
{
|
|
Status = AE_BUFFER_OVERFLOW;
|
|
goto ErrorExit;
|
|
}
|
|
|
|
AcpiDbPrepNamestring (Info->Pathname);
|
|
|
|
AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
|
|
AcpiOsPrintf ("Evaluating %s\n", Info->Pathname);
|
|
|
|
if (Info->Flags & EX_SINGLE_STEP)
|
|
{
|
|
AcpiGbl_CmSingleStep = TRUE;
|
|
AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
|
|
}
|
|
|
|
else
|
|
{
|
|
/* No single step, allow redirection to a file */
|
|
|
|
AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
|
|
}
|
|
|
|
return (AE_OK);
|
|
|
|
ErrorExit:
|
|
|
|
ACPI_EXCEPTION ((AE_INFO, Status, "During setup for method execution"));
|
|
return (Status);
|
|
}
|
|
|
|
|
|
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
|
|
UINT32
|
|
AcpiDbGetCacheInfo (
|
|
ACPI_MEMORY_LIST *Cache)
|
|
{
|
|
|
|
return (Cache->TotalAllocated - Cache->TotalFreed - Cache->CurrentDepth);
|
|
}
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbGetOutstandingAllocations
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Current global allocation count minus cache entries
|
|
*
|
|
* DESCRIPTION: Determine the current number of "outstanding" allocations --
|
|
* those allocations that have not been freed and also are not
|
|
* in one of the various object caches.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static UINT32
|
|
AcpiDbGetOutstandingAllocations (
|
|
void)
|
|
{
|
|
UINT32 Outstanding = 0;
|
|
|
|
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
|
|
|
|
Outstanding += AcpiDbGetCacheInfo (AcpiGbl_StateCache);
|
|
Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeCache);
|
|
Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeExtCache);
|
|
Outstanding += AcpiDbGetCacheInfo (AcpiGbl_OperandCache);
|
|
#endif
|
|
|
|
return (Outstanding);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbExecutionWalk
|
|
*
|
|
* PARAMETERS: WALK_CALLBACK
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Execute a control method. Name is relative to the current
|
|
* scope.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDbExecutionWalk (
|
|
ACPI_HANDLE ObjHandle,
|
|
UINT32 NestingLevel,
|
|
void *Context,
|
|
void **ReturnValue)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
|
|
ACPI_BUFFER ReturnObj;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
ObjDesc = AcpiNsGetAttachedObject (Node);
|
|
if (ObjDesc->Method.ParamCount)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
ReturnObj.Pointer = NULL;
|
|
ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
|
|
|
|
AcpiNsPrintNodePathname (Node, "Evaluating");
|
|
|
|
/* Do the actual method execution */
|
|
|
|
AcpiOsPrintf ("\n");
|
|
AcpiGbl_MethodExecuting = TRUE;
|
|
|
|
Status = AcpiEvaluateObject (Node, NULL, NULL, &ReturnObj);
|
|
|
|
AcpiOsPrintf ("Evaluation of [%4.4s] returned %s\n", AcpiUtGetNodeName (Node),
|
|
AcpiFormatException (Status));
|
|
AcpiGbl_MethodExecuting = FALSE;
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbExecute
|
|
*
|
|
* PARAMETERS: Name - Name of method to execute
|
|
* Args - Parameters to the method
|
|
* Flags - single step/no single step
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Execute a control method. Name is relative to the current
|
|
* scope.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiDbExecute (
|
|
char *Name,
|
|
char **Args,
|
|
ACPI_OBJECT_TYPE *Types,
|
|
UINT32 Flags)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_BUFFER ReturnObj;
|
|
char *NameString;
|
|
|
|
|
|
#ifdef ACPI_DEBUG_OUTPUT
|
|
UINT32 PreviousAllocations;
|
|
UINT32 Allocations;
|
|
|
|
|
|
/* Memory allocation tracking */
|
|
|
|
PreviousAllocations = AcpiDbGetOutstandingAllocations ();
|
|
#endif
|
|
|
|
if (*Name == '*')
|
|
{
|
|
(void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT,
|
|
ACPI_UINT32_MAX, AcpiDbExecutionWalk, NULL, NULL, NULL);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
NameString = ACPI_ALLOCATE (ACPI_STRLEN (Name) + 1);
|
|
if (!NameString)
|
|
{
|
|
return;
|
|
}
|
|
|
|
ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));
|
|
|
|
ACPI_STRCPY (NameString, Name);
|
|
AcpiUtStrupr (NameString);
|
|
AcpiGbl_DbMethodInfo.Name = NameString;
|
|
AcpiGbl_DbMethodInfo.Args = Args;
|
|
AcpiGbl_DbMethodInfo.Types = Types;
|
|
AcpiGbl_DbMethodInfo.Flags = Flags;
|
|
|
|
ReturnObj.Pointer = NULL;
|
|
ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
|
|
|
|
Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
ACPI_FREE (NameString);
|
|
return;
|
|
}
|
|
|
|
/* Get the NS node, determines existence also */
|
|
|
|
Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname,
|
|
&AcpiGbl_DbMethodInfo.Method);
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj);
|
|
}
|
|
ACPI_FREE (NameString);
|
|
}
|
|
|
|
/*
|
|
* Allow any handlers in separate threads to complete.
|
|
* (Such as Notify handlers invoked from AML executed above).
|
|
*/
|
|
AcpiOsSleep ((UINT64) 10);
|
|
|
|
#ifdef ACPI_DEBUG_OUTPUT
|
|
|
|
/* Memory allocation tracking */
|
|
|
|
Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;
|
|
|
|
AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
|
|
|
|
if (Allocations > 0)
|
|
{
|
|
AcpiOsPrintf ("0x%X Outstanding allocations after evaluation of %s\n",
|
|
Allocations, AcpiGbl_DbMethodInfo.Pathname);
|
|
}
|
|
#endif
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("Evaluation of %s failed with status %s\n",
|
|
AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status));
|
|
}
|
|
else
|
|
{
|
|
/* Display a return object, if any */
|
|
|
|
if (ReturnObj.Length)
|
|
{
|
|
AcpiOsPrintf (
|
|
"Evaluation of %s returned object %p, external buffer length %X\n",
|
|
AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer,
|
|
(UINT32) ReturnObj.Length);
|
|
AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);
|
|
|
|
/* Dump a _PLD buffer if present */
|
|
|
|
if (ACPI_COMPARE_NAME ((ACPI_CAST_PTR (ACPI_NAMESPACE_NODE,
|
|
AcpiGbl_DbMethodInfo.Method)->Name.Ascii), METHOD_NAME__PLD))
|
|
{
|
|
AcpiDbDumpPldBuffer (ReturnObj.Pointer);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
AcpiOsPrintf ("No object was returned from evaluation of %s\n",
|
|
AcpiGbl_DbMethodInfo.Pathname);
|
|
}
|
|
}
|
|
|
|
AcpiDbSetOutputDestination (ACPI_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.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void ACPI_SYSTEM_XFACE
|
|
AcpiDbMethodThread (
|
|
void *Context)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_DB_METHOD_INFO *Info = Context;
|
|
ACPI_DB_METHOD_INFO LocalInfo;
|
|
UINT32 i;
|
|
UINT8 Allow;
|
|
ACPI_BUFFER ReturnObj;
|
|
|
|
|
|
/*
|
|
* AcpiGbl_DbMethodInfo.Arguments will be passed as method arguments.
|
|
* Prevent AcpiGbl_DbMethodInfo from being modified by multiple threads
|
|
* concurrently.
|
|
*
|
|
* Note: The arguments we are passing are used by the ASL test suite
|
|
* (aslts). Do not change them without updating the tests.
|
|
*/
|
|
(void) AcpiOsWaitSemaphore (Info->InfoGate, 1, ACPI_WAIT_FOREVER);
|
|
|
|
if (Info->InitArgs)
|
|
{
|
|
AcpiDbUint32ToHexString (Info->NumCreated, Info->IndexOfThreadStr);
|
|
AcpiDbUint32ToHexString ((UINT32) AcpiOsGetThreadId (), Info->IdOfThreadStr);
|
|
}
|
|
|
|
if (Info->Threads && (Info->NumCreated < Info->NumThreads))
|
|
{
|
|
Info->Threads[Info->NumCreated++] = AcpiOsGetThreadId();
|
|
}
|
|
|
|
LocalInfo = *Info;
|
|
LocalInfo.Args = LocalInfo.Arguments;
|
|
LocalInfo.Arguments[0] = LocalInfo.NumThreadsStr;
|
|
LocalInfo.Arguments[1] = LocalInfo.IdOfThreadStr;
|
|
LocalInfo.Arguments[2] = LocalInfo.IndexOfThreadStr;
|
|
LocalInfo.Arguments[3] = NULL;
|
|
|
|
LocalInfo.Types = LocalInfo.ArgTypes;
|
|
|
|
(void) AcpiOsSignalSemaphore (Info->InfoGate, 1);
|
|
|
|
for (i = 0; i < Info->NumLoops; i++)
|
|
{
|
|
Status = AcpiDbExecuteMethod (&LocalInfo, &ReturnObj);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("%s During evaluation of %s at iteration %X\n",
|
|
AcpiFormatException (Status), Info->Pathname, i);
|
|
if (Status == AE_ABORT_METHOD)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
if ((i % 100) == 0)
|
|
{
|
|
AcpiOsPrintf ("%u loops, Thread 0x%x\n", i, AcpiOsGetThreadId ());
|
|
}
|
|
|
|
if (ReturnObj.Length)
|
|
{
|
|
AcpiOsPrintf ("Evaluation of %s returned object %p Buflen %X\n",
|
|
Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length);
|
|
AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* Signal our completion */
|
|
|
|
Allow = 0;
|
|
(void) AcpiOsWaitSemaphore (Info->ThreadCompleteGate, 1, ACPI_WAIT_FOREVER);
|
|
Info->NumCompleted++;
|
|
|
|
if (Info->NumCompleted == Info->NumThreads)
|
|
{
|
|
/* Do signal for main thread once only */
|
|
Allow = 1;
|
|
}
|
|
|
|
(void) AcpiOsSignalSemaphore (Info->ThreadCompleteGate, 1);
|
|
|
|
if (Allow)
|
|
{
|
|
Status = AcpiOsSignalSemaphore (Info->MainThreadGate, 1);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("Could not signal debugger thread sync semaphore, %s\n",
|
|
AcpiFormatException (Status));
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* 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 (
|
|
char *NumThreadsArg,
|
|
char *NumLoopsArg,
|
|
char *MethodNameArg)
|
|
{
|
|
ACPI_STATUS Status;
|
|
UINT32 NumThreads;
|
|
UINT32 NumLoops;
|
|
UINT32 i;
|
|
UINT32 Size;
|
|
ACPI_MUTEX MainThreadGate;
|
|
ACPI_MUTEX ThreadCompleteGate;
|
|
ACPI_MUTEX InfoGate;
|
|
|
|
|
|
/* Get the arguments */
|
|
|
|
NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0);
|
|
NumLoops = ACPI_STRTOUL (NumLoopsArg, NULL, 0);
|
|
|
|
if (!NumThreads || !NumLoops)
|
|
{
|
|
AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n",
|
|
NumThreads, NumLoops);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Create the semaphore for synchronization of
|
|
* the created threads with the main thread.
|
|
*/
|
|
Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("Could not create semaphore for synchronization with the main thread, %s\n",
|
|
AcpiFormatException (Status));
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Create the semaphore for synchronization
|
|
* between the created threads.
|
|
*/
|
|
Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("Could not create semaphore for synchronization between the created threads, %s\n",
|
|
AcpiFormatException (Status));
|
|
(void) AcpiOsDeleteSemaphore (MainThreadGate);
|
|
return;
|
|
}
|
|
|
|
Status = AcpiOsCreateSemaphore (1, 1, &InfoGate);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("Could not create semaphore for synchronization of AcpiGbl_DbMethodInfo, %s\n",
|
|
AcpiFormatException (Status));
|
|
(void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
|
|
(void) AcpiOsDeleteSemaphore (MainThreadGate);
|
|
return;
|
|
}
|
|
|
|
ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));
|
|
|
|
/* Array to store IDs of threads */
|
|
|
|
AcpiGbl_DbMethodInfo.NumThreads = NumThreads;
|
|
Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads;
|
|
AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size);
|
|
if (AcpiGbl_DbMethodInfo.Threads == NULL)
|
|
{
|
|
AcpiOsPrintf ("No memory for thread IDs array\n");
|
|
(void) AcpiOsDeleteSemaphore (MainThreadGate);
|
|
(void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
|
|
(void) AcpiOsDeleteSemaphore (InfoGate);
|
|
return;
|
|
}
|
|
ACPI_MEMSET (AcpiGbl_DbMethodInfo.Threads, 0, Size);
|
|
|
|
/* Setup the context to be passed to each thread */
|
|
|
|
AcpiGbl_DbMethodInfo.Name = MethodNameArg;
|
|
AcpiGbl_DbMethodInfo.Flags = 0;
|
|
AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
|
|
AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate;
|
|
AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate;
|
|
AcpiGbl_DbMethodInfo.InfoGate = InfoGate;
|
|
|
|
/* Init arguments to be passed to method */
|
|
|
|
AcpiGbl_DbMethodInfo.InitArgs = 1;
|
|
AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments;
|
|
AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr;
|
|
AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr;
|
|
AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr;
|
|
AcpiGbl_DbMethodInfo.Arguments[3] = NULL;
|
|
|
|
AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes;
|
|
AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER;
|
|
AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER;
|
|
AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER;
|
|
|
|
AcpiDbUint32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr);
|
|
|
|
Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto CleanupAndExit;
|
|
}
|
|
|
|
/* Get the NS node, determines existence also */
|
|
|
|
Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname,
|
|
&AcpiGbl_DbMethodInfo.Method);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("%s Could not get handle for %s\n",
|
|
AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname);
|
|
goto CleanupAndExit;
|
|
}
|
|
|
|
/* Create the threads */
|
|
|
|
AcpiOsPrintf ("Creating %X threads to execute %X times each\n",
|
|
NumThreads, NumLoops);
|
|
|
|
for (i = 0; i < (NumThreads); i++)
|
|
{
|
|
Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbMethodThread,
|
|
&AcpiGbl_DbMethodInfo);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Wait for all threads to complete */
|
|
|
|
(void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER);
|
|
|
|
AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
|
|
AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
|
|
AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
|
|
|
|
CleanupAndExit:
|
|
|
|
/* Cleanup and exit */
|
|
|
|
(void) AcpiOsDeleteSemaphore (MainThreadGate);
|
|
(void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
|
|
(void) AcpiOsDeleteSemaphore (InfoGate);
|
|
|
|
AcpiOsFree (AcpiGbl_DbMethodInfo.Threads);
|
|
AcpiGbl_DbMethodInfo.Threads = NULL;
|
|
}
|
|
|
|
#endif /* ACPI_DEBUGGER */
|