dbexec.c revision 99679
1/******************************************************************************* 2 * 3 * Module Name: dbexec - debugger control method execution 4 * $Revision: 41 $ 5 * 6 ******************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 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 20 * property rights. 21 * 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 28 * 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; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 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. 54 * 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 65 * make. 66 * 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 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 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. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 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 89 * PARTICULAR PURPOSE. 90 * 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 98 * LIMITED REMEDY. 99 * 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. 114 * 115 *****************************************************************************/ 116 117 118#include "acpi.h" 119#include "acdebug.h" 120 121#ifdef ENABLE_DEBUGGER 122 123#define _COMPONENT ACPI_DEBUGGER 124 ACPI_MODULE_NAME ("dbexec") 125 126 127static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo; 128 129 130/******************************************************************************* 131 * 132 * FUNCTION: AcpiDbExecuteMethod 133 * 134 * PARAMETERS: Info - Valid info segment 135 * ReturnObj - Where to put return object 136 * 137 * RETURN: Status 138 * 139 * DESCRIPTION: Execute a control method. 140 * 141 ******************************************************************************/ 142 143ACPI_STATUS 144AcpiDbExecuteMethod ( 145 ACPI_DB_METHOD_INFO *Info, 146 ACPI_BUFFER *ReturnObj) 147{ 148 ACPI_STATUS Status; 149 ACPI_OBJECT_LIST ParamObjects; 150 ACPI_OBJECT Params[MTH_NUM_ARGS]; 151 UINT32 i; 152 153 154 if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel) 155 { 156 AcpiOsPrintf ("Warning: debug output is not enabled!\n"); 157 } 158 159 /* Are there arguments to the method? */ 160 161 if (Info->Args && Info->Args[0]) 162 { 163 for (i = 0; Info->Args[i] && i < MTH_NUM_ARGS; i++) 164 { 165 Params[i].Type = ACPI_TYPE_INTEGER; 166 Params[i].Integer.Value = ACPI_STRTOUL (Info->Args[i], NULL, 16); 167 } 168 169 ParamObjects.Pointer = Params; 170 ParamObjects.Count = i; 171 } 172 else 173 { 174 /* Setup default parameters */ 175 176 Params[0].Type = ACPI_TYPE_INTEGER; 177 Params[0].Integer.Value = 0x01020304; 178 179 Params[1].Type = ACPI_TYPE_STRING; 180 Params[1].String.Length = 12; 181 Params[1].String.Pointer = "AML Debugger"; 182 183 ParamObjects.Pointer = Params; 184 ParamObjects.Count = 2; 185 } 186 187 /* Prepare for a return object of arbitrary size */ 188 189 ReturnObj->Pointer = AcpiGbl_DbBuffer; 190 ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE; 191 192 /* Do the actual method execution */ 193 194 Status = AcpiEvaluateObject (NULL, Info->Pathname, &ParamObjects, ReturnObj); 195 196 AcpiGbl_CmSingleStep = FALSE; 197 AcpiGbl_MethodExecuting = FALSE; 198 199 return (Status); 200} 201 202 203/******************************************************************************* 204 * 205 * FUNCTION: AcpiDbExecuteSetup 206 * 207 * PARAMETERS: Info - Valid method info 208 * 209 * RETURN: Status 210 * 211 * DESCRIPTION: Setup info segment prior to method execution 212 * 213 ******************************************************************************/ 214 215void 216AcpiDbExecuteSetup ( 217 ACPI_DB_METHOD_INFO *Info) 218{ 219 220 /* Catenate the current scope to the supplied name */ 221 222 Info->Pathname[0] = 0; 223 if ((Info->Name[0] != '\\') && 224 (Info->Name[0] != '/')) 225 { 226 ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf); 227 } 228 229 ACPI_STRCAT (Info->Pathname, Info->Name); 230 AcpiDbPrepNamestring (Info->Pathname); 231 232 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 233 AcpiOsPrintf ("Executing %s\n", Info->Pathname); 234 235 if (Info->Flags & EX_SINGLE_STEP) 236 { 237 AcpiGbl_CmSingleStep = TRUE; 238 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 239 } 240 241 else 242 { 243 /* No single step, allow redirection to a file */ 244 245 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT); 246 } 247} 248 249 250/******************************************************************************* 251 * 252 * FUNCTION: AcpiDbGetOutstandingAllocations 253 * 254 * PARAMETERS: None 255 * 256 * RETURN: Current global allocation count minus cache entries 257 * 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. 261 * 262 ******************************************************************************/ 263 264UINT32 265AcpiDbGetOutstandingAllocations ( 266 void) 267{ 268 UINT32 Outstanding = 0; 269 270#ifdef ACPI_DBG_TRACK_ALLOCATIONS 271 UINT32 i; 272 273 274 for (i = ACPI_MEM_LIST_FIRST_CACHE_LIST; i < ACPI_NUM_MEM_LISTS; i++) 275 { 276 Outstanding += (AcpiGbl_MemoryLists[i].TotalAllocated - 277 AcpiGbl_MemoryLists[i].TotalFreed - 278 AcpiGbl_MemoryLists[i].CacheDepth); 279 } 280#endif 281 282 return (Outstanding); 283} 284 285 286/******************************************************************************* 287 * 288 * FUNCTION: AcpiDbExecute 289 * 290 * PARAMETERS: Name - Name of method to execute 291 * Args - Parameters to the method 292 * Flags - single step/no single step 293 * 294 * RETURN: Status 295 * 296 * DESCRIPTION: Execute a control method. Name is relative to the current 297 * scope. 298 * 299 ******************************************************************************/ 300 301void 302AcpiDbExecute ( 303 NATIVE_CHAR *Name, 304 NATIVE_CHAR **Args, 305 UINT32 Flags) 306{ 307 ACPI_STATUS Status; 308 ACPI_BUFFER ReturnObj; 309 310 311#ifdef ACPI_DEBUG 312 UINT32 PreviousAllocations; 313 UINT32 Allocations; 314 315 316 /* Memory allocation tracking */ 317 318 PreviousAllocations = AcpiDbGetOutstandingAllocations (); 319#endif 320 321 AcpiGbl_DbMethodInfo.Name = Name; 322 AcpiGbl_DbMethodInfo.Args = Args; 323 AcpiGbl_DbMethodInfo.Flags = Flags; 324 325 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 326 Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj); 327 328 /* 329 * Allow any handlers in separate threads to complete. 330 * (Such as Notify handlers invoked from AML executed above). 331 */ 332 AcpiOsSleep (0, 10); 333 334 335#ifdef ACPI_DEBUG 336 337 /* Memory allocation tracking */ 338 339 Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations; 340 341 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 342 343 if (Allocations > 0) 344 { 345 AcpiOsPrintf ("Outstanding: %ld allocations after execution\n", 346 Allocations); 347 } 348#endif 349 350 if (ACPI_FAILURE (Status)) 351 { 352 AcpiOsPrintf ("Execution of %s failed with status %s\n", 353 AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status)); 354 } 355 356 else 357 { 358 /* Display a return object, if any */ 359 360 if (ReturnObj.Length) 361 { 362 AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n", 363 AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer, ReturnObj.Length); 364 AcpiDbDumpObject (ReturnObj.Pointer, 1); 365 } 366 } 367 368 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 369} 370 371 372/******************************************************************************* 373 * 374 * FUNCTION: AcpiDbMethodThread 375 * 376 * PARAMETERS: Context - Execution info segment 377 * 378 * RETURN: None 379 * 380 * DESCRIPTION: Debugger execute thread. Waits for a command line, then 381 * simply dispatches it. 382 * 383 ******************************************************************************/ 384 385void ACPI_SYSTEM_XFACE 386AcpiDbMethodThread ( 387 void *Context) 388{ 389 ACPI_STATUS Status; 390 ACPI_DB_METHOD_INFO *Info = Context; 391 UINT32 i; 392 ACPI_BUFFER ReturnObj; 393 394 395 for (i = 0; i < Info->NumLoops; i++) 396 { 397 Status = AcpiDbExecuteMethod (Info, &ReturnObj); 398 if (ACPI_SUCCESS (Status)) 399 { 400 if (ReturnObj.Length) 401 { 402 AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n", 403 Info->Pathname, ReturnObj.Pointer, ReturnObj.Length); 404 AcpiDbDumpObject (ReturnObj.Pointer, 1); 405 } 406 } 407 } 408 409 /* Signal our completion */ 410 411 Status = AcpiOsSignalSemaphore (Info->ThreadGate, 1); 412 if (ACPI_FAILURE (Status)) 413 { 414 AcpiOsPrintf ("Could not signal debugger semaphore\n"); 415 } 416} 417 418 419/******************************************************************************* 420 * 421 * FUNCTION: AcpiDbCreateExecutionThreads 422 * 423 * PARAMETERS: NumThreadsArg - Number of threads to create 424 * NumLoopsArg - Loop count for the thread(s) 425 * MethodNameArg - Control method to execute 426 * 427 * RETURN: None 428 * 429 * DESCRIPTION: Create threads to execute method(s) 430 * 431 ******************************************************************************/ 432 433void 434AcpiDbCreateExecutionThreads ( 435 NATIVE_CHAR *NumThreadsArg, 436 NATIVE_CHAR *NumLoopsArg, 437 NATIVE_CHAR *MethodNameArg) 438{ 439 ACPI_STATUS Status; 440 UINT32 NumThreads; 441 UINT32 NumLoops; 442 UINT32 i; 443 ACPI_HANDLE ThreadGate; 444 445 446 /* Get the arguments */ 447 448 NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0); 449 NumLoops = ACPI_STRTOUL (NumLoopsArg, NULL, 0); 450 451 if (!NumThreads || !NumLoops) 452 { 453 AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", NumThreads, NumLoops); 454 return; 455 } 456 457 /* Create the synchronization semaphore */ 458 459 Status = AcpiOsCreateSemaphore (1, 0, &ThreadGate); 460 if (ACPI_FAILURE (Status)) 461 { 462 AcpiOsPrintf ("Could not create semaphore, %s\n", AcpiFormatException (Status)); 463 return; 464 } 465 466 /* Setup the context to be passed to each thread */ 467 468 AcpiGbl_DbMethodInfo.Name = MethodNameArg; 469 AcpiGbl_DbMethodInfo.Args = NULL; 470 AcpiGbl_DbMethodInfo.Flags = 0; 471 AcpiGbl_DbMethodInfo.NumLoops = NumLoops; 472 AcpiGbl_DbMethodInfo.ThreadGate = ThreadGate; 473 474 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 475 476 /* Create the threads */ 477 478 AcpiOsPrintf ("Creating %X threads to execute %X times each\n", NumThreads, NumLoops); 479 480 for (i = 0; i < (NumThreads); i++) 481 { 482 Status = AcpiOsQueueForExecution (OSD_PRIORITY_MED, AcpiDbMethodThread, &AcpiGbl_DbMethodInfo); 483 if (ACPI_FAILURE (Status)) 484 { 485 break; 486 } 487 } 488 489 /* Wait for all threads to complete */ 490 491 i = NumThreads; 492 while (i) /* Brain damage for OSD implementations that only support wait of 1 unit */ 493 { 494 Status = AcpiOsWaitSemaphore (ThreadGate, 1, WAIT_FOREVER); 495 i--; 496 } 497 498 /* Cleanup and exit */ 499 500 (void) AcpiOsDeleteSemaphore (ThreadGate); 501 502 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 503 AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads); 504 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 505} 506 507 508#endif /* ENABLE_DEBUGGER */ 509 510 511