1 /*******************************************************************************
3 * Module Name: dbexec - debugger control method execution
6 ******************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
13 * All rights reserved.
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
38 * The above copyright and patent license is granted only if the following
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
73 * 3.4. Intel retains all right, title, and interest in and to the Original
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
81 * 4. Disclaimer and Export Compliance
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
115 *****************************************************************************/
123 #define _COMPONENT ACPI_CA_DEBUGGER
124 ACPI_MODULE_NAME ("dbexec")
127 static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo;
130 /*******************************************************************************
132 * FUNCTION: AcpiDbExecuteMethod
134 * PARAMETERS: Info - Valid info segment
135 * ReturnObj - Where to put return object
139 * DESCRIPTION: Execute a control method.
141 ******************************************************************************/
144 AcpiDbExecuteMethod (
145 ACPI_DB_METHOD_INFO *Info,
146 ACPI_BUFFER *ReturnObj)
149 ACPI_OBJECT_LIST ParamObjects;
150 ACPI_OBJECT Params[MTH_NUM_ARGS];
154 if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel)
156 AcpiOsPrintf ("Warning: debug output is not enabled!\n");
159 /* Are there arguments to the method? */
161 if (Info->Args && Info->Args[0])
163 for (i = 0; Info->Args[i] && i < MTH_NUM_ARGS; i++)
165 Params[i].Type = ACPI_TYPE_INTEGER;
166 Params[i].Integer.Value = ACPI_STRTOUL (Info->Args[i], NULL, 16);
169 ParamObjects.Pointer = Params;
170 ParamObjects.Count = i;
174 /* Setup default parameters */
176 Params[0].Type = ACPI_TYPE_INTEGER;
177 Params[0].Integer.Value = 0x01020304;
179 Params[1].Type = ACPI_TYPE_STRING;
180 Params[1].String.Length = 12;
181 Params[1].String.Pointer = "AML Debugger";
183 ParamObjects.Pointer = Params;
184 ParamObjects.Count = 2;
187 /* Prepare for a return object of arbitrary size */
189 ReturnObj->Pointer = AcpiGbl_DbBuffer;
190 ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE;
192 /* Do the actual method execution */
194 Status = AcpiEvaluateObject (NULL, Info->Pathname, &ParamObjects, ReturnObj);
196 AcpiGbl_CmSingleStep = FALSE;
197 AcpiGbl_MethodExecuting = FALSE;
203 /*******************************************************************************
205 * FUNCTION: AcpiDbExecuteSetup
207 * PARAMETERS: Info - Valid method info
211 * DESCRIPTION: Setup info segment prior to method execution
213 ******************************************************************************/
217 ACPI_DB_METHOD_INFO *Info)
220 /* Catenate the current scope to the supplied name */
222 Info->Pathname[0] = 0;
223 if ((Info->Name[0] != '\\') &&
224 (Info->Name[0] != '/'))
226 ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf);
229 ACPI_STRCAT (Info->Pathname, Info->Name);
230 AcpiDbPrepNamestring (Info->Pathname);
232 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
233 AcpiOsPrintf ("Executing %s\n", Info->Pathname);
235 if (Info->Flags & EX_SINGLE_STEP)
237 AcpiGbl_CmSingleStep = TRUE;
238 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
243 /* No single step, allow redirection to a file */
245 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
250 /*******************************************************************************
252 * FUNCTION: AcpiDbGetOutstandingAllocations
256 * RETURN: Current global allocation count minus cache entries
258 * DESCRIPTION: Determine the current number of "outstanding" allocations --
259 * those allocations that have not been freed and also are not
260 * in one of the various object caches.
262 ******************************************************************************/
265 AcpiDbGetOutstandingAllocations (
268 UINT32 Outstanding = 0;
270 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
274 for (i = ACPI_MEM_LIST_FIRST_CACHE_LIST; i < ACPI_NUM_MEM_LISTS; i++)
276 Outstanding += (AcpiGbl_MemoryLists[i].TotalAllocated -
277 AcpiGbl_MemoryLists[i].TotalFreed -
278 AcpiGbl_MemoryLists[i].CacheDepth);
282 return (Outstanding);
286 /*******************************************************************************
288 * FUNCTION: AcpiDbExecute
290 * PARAMETERS: Name - Name of method to execute
291 * Args - Parameters to the method
292 * Flags - single step/no single step
296 * DESCRIPTION: Execute a control method. Name is relative to the current
299 ******************************************************************************/
308 ACPI_BUFFER ReturnObj;
311 #ifdef ACPI_DEBUG_OUTPUT
312 UINT32 PreviousAllocations;
316 /* Memory allocation tracking */
318 PreviousAllocations = AcpiDbGetOutstandingAllocations ();
321 AcpiGbl_DbMethodInfo.Name = Name;
322 AcpiGbl_DbMethodInfo.Args = Args;
323 AcpiGbl_DbMethodInfo.Flags = Flags;
325 ReturnObj.Pointer = NULL;
326 ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
328 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
329 Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj);
332 * Allow any handlers in separate threads to complete.
333 * (Such as Notify handlers invoked from AML executed above).
338 #ifdef ACPI_DEBUG_OUTPUT
340 /* Memory allocation tracking */
342 Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;
344 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
348 AcpiOsPrintf ("Outstanding: %ld allocations after execution\n",
353 if (ACPI_FAILURE (Status))
355 AcpiOsPrintf ("Execution of %s failed with status %s\n",
356 AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status));
361 /* Display a return object, if any */
363 if (ReturnObj.Length)
365 AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
366 AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer,
367 (UINT32) ReturnObj.Length);
368 AcpiDbDumpObject (ReturnObj.Pointer, 1);
372 AcpiOsPrintf ("No return object from execution of %s\n",
373 AcpiGbl_DbMethodInfo.Pathname);
377 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
381 /*******************************************************************************
383 * FUNCTION: AcpiDbMethodThread
385 * PARAMETERS: Context - Execution info segment
389 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
390 * simply dispatches it.
392 ******************************************************************************/
394 void ACPI_SYSTEM_XFACE
399 ACPI_DB_METHOD_INFO *Info = Context;
401 ACPI_BUFFER ReturnObj;
404 for (i = 0; i < Info->NumLoops; i++)
406 Status = AcpiDbExecuteMethod (Info, &ReturnObj);
407 if (ACPI_SUCCESS (Status))
409 if (ReturnObj.Length)
411 AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
412 Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length);
413 AcpiDbDumpObject (ReturnObj.Pointer, 1);
418 /* Signal our completion */
420 Status = AcpiOsSignalSemaphore (Info->ThreadGate, 1);
421 if (ACPI_FAILURE (Status))
423 AcpiOsPrintf ("Could not signal debugger semaphore\n");
428 /*******************************************************************************
430 * FUNCTION: AcpiDbCreateExecutionThreads
432 * PARAMETERS: NumThreadsArg - Number of threads to create
433 * NumLoopsArg - Loop count for the thread(s)
434 * MethodNameArg - Control method to execute
438 * DESCRIPTION: Create threads to execute method(s)
440 ******************************************************************************/
443 AcpiDbCreateExecutionThreads (
444 NATIVE_CHAR *NumThreadsArg,
445 NATIVE_CHAR *NumLoopsArg,
446 NATIVE_CHAR *MethodNameArg)
452 ACPI_HANDLE ThreadGate;
455 /* Get the arguments */
457 NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0);
458 NumLoops = ACPI_STRTOUL (NumLoopsArg, NULL, 0);
460 if (!NumThreads || !NumLoops)
462 AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", NumThreads, NumLoops);
466 /* Create the synchronization semaphore */
468 Status = AcpiOsCreateSemaphore (1, 0, &ThreadGate);
469 if (ACPI_FAILURE (Status))
471 AcpiOsPrintf ("Could not create semaphore, %s\n", AcpiFormatException (Status));
475 /* Setup the context to be passed to each thread */
477 AcpiGbl_DbMethodInfo.Name = MethodNameArg;
478 AcpiGbl_DbMethodInfo.Args = NULL;
479 AcpiGbl_DbMethodInfo.Flags = 0;
480 AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
481 AcpiGbl_DbMethodInfo.ThreadGate = ThreadGate;
483 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
485 /* Create the threads */
487 AcpiOsPrintf ("Creating %X threads to execute %X times each\n", NumThreads, NumLoops);
489 for (i = 0; i < (NumThreads); i++)
491 Status = AcpiOsQueueForExecution (OSD_PRIORITY_MED, AcpiDbMethodThread, &AcpiGbl_DbMethodInfo);
492 if (ACPI_FAILURE (Status))
498 /* Wait for all threads to complete */
501 while (i) /* Brain damage for OSD implementations that only support wait of 1 unit */
503 Status = AcpiOsWaitSemaphore (ThreadGate, 1, ACPI_WAIT_FOREVER);
507 /* Cleanup and exit */
509 (void) AcpiOsDeleteSemaphore (ThreadGate);
511 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
512 AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
513 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
517 #endif /* ACPI_DEBUGGER */