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Diffstat (limited to 'sys/contrib/dev/acpica/dbexec.c')
| -rw-r--r-- | sys/contrib/dev/acpica/dbexec.c | 519 |
1 files changed, 519 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/dbexec.c b/sys/contrib/dev/acpica/dbexec.c new file mode 100644 index 0000000..d4ccd64 --- /dev/null +++ b/sys/contrib/dev/acpica/dbexec.c @@ -0,0 +1,519 @@ +/******************************************************************************* + * + * Module Name: dbexec - debugger control method execution + * $Revision: 46 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2002, 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 "acdebug.h" + +#ifdef ACPI_DEBUGGER + +#define _COMPONENT ACPI_CA_DEBUGGER + ACPI_MODULE_NAME ("dbexec") + + +static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo; + + +/******************************************************************************* + * + * FUNCTION: AcpiDbExecuteMethod + * + * PARAMETERS: Info - Valid info segment + * ReturnObj - Where to put return object + * + * RETURN: Status + * + * DESCRIPTION: Execute a control method. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDbExecuteMethod ( + ACPI_DB_METHOD_INFO *Info, + ACPI_BUFFER *ReturnObj) +{ + ACPI_STATUS Status; + ACPI_OBJECT_LIST ParamObjects; + ACPI_OBJECT Params[MTH_NUM_ARGS]; + UINT32 i; + + + if (AcpiGbl_DbOutputToFile && !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 = ACPI_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 = AcpiGbl_DbBuffer; + ReturnObj->Length = ACPI_DEBUG_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 ( + ACPI_DB_METHOD_INFO *Info) +{ + + /* Catenate the current scope to the supplied name */ + + Info->Pathname[0] = 0; + if ((Info->Name[0] != '\\') && + (Info->Name[0] != '/')) + { + ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf); + } + + ACPI_STRCAT (Info->Pathname, Info->Name); + AcpiDbPrepNamestring (Info->Pathname); + + AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); + AcpiOsPrintf ("Executing %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); + } +} + + +/******************************************************************************* + * + * 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. + * + ******************************************************************************/ + +UINT32 +AcpiDbGetOutstandingAllocations ( + void) +{ + UINT32 Outstanding = 0; + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + UINT32 i; + + + for (i = ACPI_MEM_LIST_FIRST_CACHE_LIST; i < ACPI_NUM_MEM_LISTS; i++) + { + Outstanding += (AcpiGbl_MemoryLists[i].TotalAllocated - + AcpiGbl_MemoryLists[i].TotalFreed - + AcpiGbl_MemoryLists[i].CacheDepth); + } +#endif + + return (Outstanding); +} + + +/******************************************************************************* + * + * 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_OUTPUT + UINT32 PreviousAllocations; + UINT32 Allocations; + + + /* Memory allocation tracking */ + + PreviousAllocations = AcpiDbGetOutstandingAllocations (); +#endif + + AcpiGbl_DbMethodInfo.Name = Name; + AcpiGbl_DbMethodInfo.Args = Args; + AcpiGbl_DbMethodInfo.Flags = Flags; + + ReturnObj.Pointer = NULL; + ReturnObj.Length = ACPI_ALLOCATE_BUFFER; + + AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); + Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj); + + /* + * Allow any handlers in separate threads to complete. + * (Such as Notify handlers invoked from AML executed above). + */ + AcpiOsSleep (0, 10); + + +#ifdef ACPI_DEBUG_OUTPUT + + /* Memory allocation tracking */ + + Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations; + + AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); + + if (Allocations > 0) + { + AcpiOsPrintf ("Outstanding: %ld allocations after execution\n", + Allocations); + } +#endif + + if (ACPI_FAILURE (Status)) + { + AcpiOsPrintf ("Execution of %s failed with status %s\n", + AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status)); + } + + else + { + /* Display a return object, if any */ + + if (ReturnObj.Length) + { + AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n", + AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer, + (UINT32) ReturnObj.Length); + AcpiDbDumpObject (ReturnObj.Pointer, 1); + } + else + { + AcpiOsPrintf ("No return object from execution 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. + * + ******************************************************************************/ + +void ACPI_SYSTEM_XFACE +AcpiDbMethodThread ( + void *Context) +{ + ACPI_STATUS Status; + ACPI_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 Buflen %X\n", + Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length); + AcpiDbDumpObject (ReturnObj.Pointer, 1); + } + } + } + + /* Signal our completion */ + + Status = AcpiOsSignalSemaphore (Info->ThreadGate, 1); + if (ACPI_FAILURE (Status)) + { + AcpiOsPrintf ("Could not signal debugger semaphore\n"); + } +} + + +/******************************************************************************* + * + * 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 = 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 synchronization semaphore */ + + Status = AcpiOsCreateSemaphore (1, 0, &ThreadGate); + if (ACPI_FAILURE (Status)) + { + AcpiOsPrintf ("Could not create semaphore, %s\n", AcpiFormatException (Status)); + return; + } + + /* Setup the context to be passed to each thread */ + + AcpiGbl_DbMethodInfo.Name = MethodNameArg; + AcpiGbl_DbMethodInfo.Args = NULL; + AcpiGbl_DbMethodInfo.Flags = 0; + AcpiGbl_DbMethodInfo.NumLoops = NumLoops; + AcpiGbl_DbMethodInfo.ThreadGate = ThreadGate; + + AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); + + /* Create the threads */ + + AcpiOsPrintf ("Creating %X threads to execute %X times each\n", NumThreads, NumLoops); + + for (i = 0; i < (NumThreads); i++) + { + Status = AcpiOsQueueForExecution (OSD_PRIORITY_MED, AcpiDbMethodThread, &AcpiGbl_DbMethodInfo); + if (ACPI_FAILURE (Status)) + { + break; + } + } + + /* 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, ACPI_WAIT_FOREVER); + i--; + } + + /* Cleanup and exit */ + + (void) AcpiOsDeleteSemaphore (ThreadGate); + + AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); + AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads); + AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); +} + + +#endif /* ACPI_DEBUGGER */ + + |
