1 /******************************************************************************* 2 * 3 * Module Name: dbinput - user front-end to the AML debugger 4 * 5 ******************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2020, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include <contrib/dev/acpica/include/acpi.h> 153 #include <contrib/dev/acpica/include/accommon.h> 154 #include <contrib/dev/acpica/include/acdebug.h> 155 156 #ifdef ACPI_APPLICATION 157 #include <contrib/dev/acpica/include/acapps.h> 158 #endif 159 160 #define _COMPONENT ACPI_CA_DEBUGGER 161 ACPI_MODULE_NAME ("dbinput") 162 163 164 /* Local prototypes */ 165 166 static UINT32 167 AcpiDbGetLine ( 168 char *InputBuffer); 169 170 static UINT32 171 AcpiDbMatchCommand ( 172 char *UserCommand); 173 174 static void 175 AcpiDbDisplayCommandInfo ( 176 const char *Command, 177 BOOLEAN DisplayAll); 178 179 static void 180 AcpiDbDisplayHelp ( 181 char *Command); 182 183 static BOOLEAN 184 AcpiDbMatchCommandHelp ( 185 const char *Command, 186 const ACPI_DB_COMMAND_HELP *Help); 187 188 189 /* 190 * Top-level debugger commands. 191 * 192 * This list of commands must match the string table below it 193 */ 194 enum AcpiExDebuggerCommands 195 { 196 CMD_NOT_FOUND = 0, 197 CMD_NULL, 198 CMD_ALLOCATIONS, 199 CMD_ARGS, 200 CMD_ARGUMENTS, 201 CMD_BREAKPOINT, 202 CMD_BUSINFO, 203 CMD_CALL, 204 CMD_DEBUG, 205 CMD_DISASSEMBLE, 206 CMD_DISASM, 207 CMD_DUMP, 208 CMD_EVALUATE, 209 CMD_EXECUTE, 210 CMD_EXIT, 211 CMD_FIELDS, 212 CMD_FIND, 213 CMD_GO, 214 CMD_HANDLERS, 215 CMD_HELP, 216 CMD_HELP2, 217 CMD_HISTORY, 218 CMD_HISTORY_EXE, 219 CMD_HISTORY_LAST, 220 CMD_INFORMATION, 221 CMD_INTEGRITY, 222 CMD_INTO, 223 CMD_LEVEL, 224 CMD_LIST, 225 CMD_LOCALS, 226 CMD_LOCKS, 227 CMD_METHODS, 228 CMD_NAMESPACE, 229 CMD_NOTIFY, 230 CMD_OBJECTS, 231 CMD_OSI, 232 CMD_OWNER, 233 CMD_PATHS, 234 CMD_PREDEFINED, 235 CMD_PREFIX, 236 CMD_QUIT, 237 CMD_REFERENCES, 238 CMD_RESOURCES, 239 CMD_RESULTS, 240 CMD_SET, 241 CMD_STATS, 242 CMD_STOP, 243 CMD_TABLES, 244 CMD_TEMPLATE, 245 CMD_TRACE, 246 CMD_TREE, 247 CMD_TYPE, 248 #ifdef ACPI_APPLICATION 249 CMD_ENABLEACPI, 250 CMD_EVENT, 251 CMD_GPE, 252 CMD_GPES, 253 CMD_SCI, 254 CMD_SLEEP, 255 256 CMD_CLOSE, 257 CMD_LOAD, 258 CMD_OPEN, 259 CMD_UNLOAD, 260 261 CMD_TERMINATE, 262 CMD_BACKGROUND, 263 CMD_THREADS, 264 265 CMD_TEST, 266 #endif 267 }; 268 269 #define CMD_FIRST_VALID 2 270 271 272 /* Second parameter is the required argument count */ 273 274 static const ACPI_DB_COMMAND_INFO AcpiGbl_DbCommands[] = 275 { 276 {"<NOT FOUND>", 0}, 277 {"<NULL>", 0}, 278 {"ALLOCATIONS", 0}, 279 {"ARGS", 0}, 280 {"ARGUMENTS", 0}, 281 {"BREAKPOINT", 1}, 282 {"BUSINFO", 0}, 283 {"CALL", 0}, 284 {"DEBUG", 1}, 285 {"DISASSEMBLE", 1}, 286 {"DISASM", 1}, 287 {"DUMP", 1}, 288 {"EVALUATE", 1}, 289 {"EXECUTE", 1}, 290 {"EXIT", 0}, 291 {"FIELDS", 1}, 292 {"FIND", 1}, 293 {"GO", 0}, 294 {"HANDLERS", 0}, 295 {"HELP", 0}, 296 {"?", 0}, 297 {"HISTORY", 0}, 298 {"!", 1}, 299 {"!!", 0}, 300 {"INFORMATION", 0}, 301 {"INTEGRITY", 0}, 302 {"INTO", 0}, 303 {"LEVEL", 0}, 304 {"LIST", 0}, 305 {"LOCALS", 0}, 306 {"LOCKS", 0}, 307 {"METHODS", 0}, 308 {"NAMESPACE", 0}, 309 {"NOTIFY", 2}, 310 {"OBJECTS", 0}, 311 {"OSI", 0}, 312 {"OWNER", 1}, 313 {"PATHS", 0}, 314 {"PREDEFINED", 0}, 315 {"PREFIX", 0}, 316 {"QUIT", 0}, 317 {"REFERENCES", 1}, 318 {"RESOURCES", 0}, 319 {"RESULTS", 0}, 320 {"SET", 3}, 321 {"STATS", 1}, 322 {"STOP", 0}, 323 {"TABLES", 0}, 324 {"TEMPLATE", 1}, 325 {"TRACE", 1}, 326 {"TREE", 0}, 327 {"TYPE", 1}, 328 #ifdef ACPI_APPLICATION 329 {"ENABLEACPI", 0}, 330 {"EVENT", 1}, 331 {"GPE", 1}, 332 {"GPES", 0}, 333 {"SCI", 0}, 334 {"SLEEP", 0}, 335 336 {"CLOSE", 0}, 337 {"LOAD", 1}, 338 {"OPEN", 1}, 339 {"UNLOAD", 1}, 340 341 {"TERMINATE", 0}, 342 {"BACKGROUND", 1}, 343 {"THREADS", 3}, 344 345 {"TEST", 1}, 346 #endif 347 {NULL, 0} 348 }; 349 350 /* 351 * Help for all debugger commands. First argument is the number of lines 352 * of help to output for the command. 353 * 354 * Note: Some commands are not supported by the kernel-level version of 355 * the debugger. 356 */ 357 static const ACPI_DB_COMMAND_HELP AcpiGbl_DbCommandHelp[] = 358 { 359 {0, "\nNamespace Access:", "\n"}, 360 {1, " Businfo", "Display system bus info\n"}, 361 {1, " Disassemble <Method>", "Disassemble a control method\n"}, 362 {1, " Find <AcpiName> (? is wildcard)", "Find ACPI name(s) with wildcards\n"}, 363 {1, " Integrity", "Validate namespace integrity\n"}, 364 {1, " Methods", "Display list of loaded control methods\n"}, 365 {1, " Fields <AddressSpaceId>", "Display list of loaded field units by space ID\n"}, 366 {1, " Namespace [Object] [Depth]", "Display loaded namespace tree/subtree\n"}, 367 {1, " Notify <Object> <Value>", "Send a notification on Object\n"}, 368 {1, " Objects [ObjectType]", "Display summary of all objects or just given type\n"}, 369 {1, " Owner <OwnerId> [Depth]", "Display loaded namespace by object owner\n"}, 370 {1, " Paths", "Display full pathnames of namespace objects\n"}, 371 {1, " Predefined", "Check all predefined names\n"}, 372 {1, " Prefix [<Namepath>]", "Set or Get current execution prefix\n"}, 373 {1, " References <Addr>", "Find all references to object at addr\n"}, 374 {1, " Resources [DeviceName]", "Display Device resources (no arg = all devices)\n"}, 375 {1, " Set N <NamedObject> <Value>", "Set value for named integer\n"}, 376 {1, " Template <Object>", "Format/dump a Buffer/ResourceTemplate\n"}, 377 {1, " Type <Object>", "Display object type\n"}, 378 379 {0, "\nControl Method Execution:", "\n"}, 380 {1, " Evaluate <Namepath> [Arguments]", "Evaluate object or control method\n"}, 381 {1, " Execute <Namepath> [Arguments]", "Synonym for Evaluate\n"}, 382 #ifdef ACPI_APPLICATION 383 {1, " Background <Namepath> [Arguments]", "Evaluate object/method in a separate thread\n"}, 384 {1, " Thread <Threads><Loops><NamePath>", "Spawn threads to execute method(s)\n"}, 385 #endif 386 {1, " Debug <Namepath> [Arguments]", "Single-Step a control method\n"}, 387 {7, " [Arguments] formats:", "Control method argument formats\n"}, 388 {1, " Hex Integer", "Integer\n"}, 389 {1, " \"Ascii String\"", "String\n"}, 390 {1, " (Hex Byte List)", "Buffer\n"}, 391 {1, " (01 42 7A BF)", "Buffer example (4 bytes)\n"}, 392 {1, " [Package Element List]", "Package\n"}, 393 {1, " [0x01 0x1234 \"string\"]", "Package example (3 elements)\n"}, 394 395 {0, "\nMiscellaneous:", "\n"}, 396 {1, " Allocations", "Display list of current memory allocations\n"}, 397 {2, " Dump <Address>|<Namepath>", "\n"}, 398 {0, " [Byte|Word|Dword|Qword]", "Display ACPI objects or memory\n"}, 399 {1, " Handlers", "Info about global handlers\n"}, 400 {1, " Help [Command]", "This help screen or individual command\n"}, 401 {1, " History", "Display command history buffer\n"}, 402 {1, " Level <DebugLevel>] [console]", "Get/Set debug level for file or console\n"}, 403 {1, " Locks", "Current status of internal mutexes\n"}, 404 {1, " Osi [Install|Remove <name>]", "Display or modify global _OSI list\n"}, 405 {1, " Quit or Exit", "Exit this command\n"}, 406 {8, " Stats <SubCommand>", "Display namespace and memory statistics\n"}, 407 {1, " Allocations", "Display list of current memory allocations\n"}, 408 {1, " Memory", "Dump internal memory lists\n"}, 409 {1, " Misc", "Namespace search and mutex stats\n"}, 410 {1, " Objects", "Summary of namespace objects\n"}, 411 {1, " Sizes", "Sizes for each of the internal objects\n"}, 412 {1, " Stack", "Display CPU stack usage\n"}, 413 {1, " Tables", "Info about current ACPI table(s)\n"}, 414 {1, " Tables", "Display info about loaded ACPI tables\n"}, 415 #ifdef ACPI_APPLICATION 416 {1, " Terminate", "Delete namespace and all internal objects\n"}, 417 #endif 418 {1, " ! <CommandNumber>", "Execute command from history buffer\n"}, 419 {1, " !!", "Execute last command again\n"}, 420 421 {0, "\nMethod and Namespace Debugging:", "\n"}, 422 {5, " Trace <State> [<Namepath>] [Once]", "Trace control method execution\n"}, 423 {1, " Enable", "Enable all messages\n"}, 424 {1, " Disable", "Disable tracing\n"}, 425 {1, " Method", "Enable method execution messages\n"}, 426 {1, " Opcode", "Enable opcode execution messages\n"}, 427 {3, " Test <TestName>", "Invoke a debug test\n"}, 428 {1, " Objects", "Read/write/compare all namespace data objects\n"}, 429 {1, " Predefined", "Validate all ACPI predefined names (_STA, etc.)\n"}, 430 {1, " Execute predefined", "Execute all predefined (public) methods\n"}, 431 432 {0, "\nControl Method Single-Step Execution:","\n"}, 433 {1, " Arguments (or Args)", "Display method arguments\n"}, 434 {1, " Breakpoint <AmlOffset>", "Set an AML execution breakpoint\n"}, 435 {1, " Call", "Run to next control method invocation\n"}, 436 {1, " Go", "Allow method to run to completion\n"}, 437 {1, " Information", "Display info about the current method\n"}, 438 {1, " Into", "Step into (not over) a method call\n"}, 439 {1, " List [# of Aml Opcodes]", "Display method ASL statements\n"}, 440 {1, " Locals", "Display method local variables\n"}, 441 {1, " Results", "Display method result stack\n"}, 442 {1, " Set <A|L> <#> <Value>", "Set method data (Arguments/Locals)\n"}, 443 {1, " Stop", "Terminate control method\n"}, 444 {1, " Tree", "Display control method calling tree\n"}, 445 {1, " <Enter>", "Single step next AML opcode (over calls)\n"}, 446 447 #ifdef ACPI_APPLICATION 448 {0, "\nFile Operations:", "\n"}, 449 {1, " Close", "Close debug output file\n"}, 450 {1, " Load <Input Filename>", "Load ACPI table from a file\n"}, 451 {1, " Open <Output Filename>", "Open a file for debug output\n"}, 452 {1, " Unload <Namepath>", "Unload an ACPI table via namespace object\n"}, 453 454 {0, "\nHardware Simulation:", "\n"}, 455 {1, " EnableAcpi", "Enable ACPI (hardware) mode\n"}, 456 {1, " Event <F|G> <Value>", "Generate AcpiEvent (Fixed/GPE)\n"}, 457 {1, " Gpe <GpeNum> [GpeBlockDevice]", "Simulate a GPE\n"}, 458 {1, " Gpes", "Display info on all GPE devices\n"}, 459 {1, " Sci", "Generate an SCI\n"}, 460 {1, " Sleep [SleepState]", "Simulate sleep/wake sequence(s) (0-5)\n"}, 461 #endif 462 {0, NULL, NULL} 463 }; 464 465 466 /******************************************************************************* 467 * 468 * FUNCTION: AcpiDbMatchCommandHelp 469 * 470 * PARAMETERS: Command - Command string to match 471 * Help - Help table entry to attempt match 472 * 473 * RETURN: TRUE if command matched, FALSE otherwise 474 * 475 * DESCRIPTION: Attempt to match a command in the help table in order to 476 * print help information for a single command. 477 * 478 ******************************************************************************/ 479 480 static BOOLEAN 481 AcpiDbMatchCommandHelp ( 482 const char *Command, 483 const ACPI_DB_COMMAND_HELP *Help) 484 { 485 char *Invocation = Help->Invocation; 486 UINT32 LineCount; 487 488 489 /* Valid commands in the help table begin with a couple of spaces */ 490 491 if (*Invocation != ' ') 492 { 493 return (FALSE); 494 } 495 496 while (*Invocation == ' ') 497 { 498 Invocation++; 499 } 500 501 /* Match command name (full command or substring) */ 502 503 while ((*Command) && (*Invocation) && (*Invocation != ' ')) 504 { 505 if (tolower ((int) *Command) != tolower ((int) *Invocation)) 506 { 507 return (FALSE); 508 } 509 510 Invocation++; 511 Command++; 512 } 513 514 /* Print the appropriate number of help lines */ 515 516 LineCount = Help->LineCount; 517 while (LineCount) 518 { 519 AcpiOsPrintf ("%-38s : %s", Help->Invocation, Help->Description); 520 Help++; 521 LineCount--; 522 } 523 524 return (TRUE); 525 } 526 527 528 /******************************************************************************* 529 * 530 * FUNCTION: AcpiDbDisplayCommandInfo 531 * 532 * PARAMETERS: Command - Command string to match 533 * DisplayAll - Display all matching commands, or just 534 * the first one (substring match) 535 * 536 * RETURN: None 537 * 538 * DESCRIPTION: Display help information for a Debugger command. 539 * 540 ******************************************************************************/ 541 542 static void 543 AcpiDbDisplayCommandInfo ( 544 const char *Command, 545 BOOLEAN DisplayAll) 546 { 547 const ACPI_DB_COMMAND_HELP *Next; 548 BOOLEAN Matched; 549 550 551 Next = AcpiGbl_DbCommandHelp; 552 while (Next->Invocation) 553 { 554 Matched = AcpiDbMatchCommandHelp (Command, Next); 555 if (!DisplayAll && Matched) 556 { 557 return; 558 } 559 560 Next++; 561 } 562 } 563 564 565 /******************************************************************************* 566 * 567 * FUNCTION: AcpiDbDisplayHelp 568 * 569 * PARAMETERS: Command - Optional command string to display help. 570 * if not specified, all debugger command 571 * help strings are displayed 572 * 573 * RETURN: None 574 * 575 * DESCRIPTION: Display help for a single debugger command, or all of them. 576 * 577 ******************************************************************************/ 578 579 static void 580 AcpiDbDisplayHelp ( 581 char *Command) 582 { 583 const ACPI_DB_COMMAND_HELP *Next = AcpiGbl_DbCommandHelp; 584 585 586 if (!Command) 587 { 588 /* No argument to help, display help for all commands */ 589 590 AcpiOsPrintf ("\nSummary of AML Debugger Commands\n\n"); 591 592 while (Next->Invocation) 593 { 594 AcpiOsPrintf ("%-38s%s", Next->Invocation, Next->Description); 595 Next++; 596 } 597 AcpiOsPrintf ("\n"); 598 599 } 600 else 601 { 602 /* Display help for all commands that match the subtring */ 603 604 AcpiDbDisplayCommandInfo (Command, TRUE); 605 } 606 } 607 608 609 /******************************************************************************* 610 * 611 * FUNCTION: AcpiDbGetNextToken 612 * 613 * PARAMETERS: String - Command buffer 614 * Next - Return value, end of next token 615 * 616 * RETURN: Pointer to the start of the next token. 617 * 618 * DESCRIPTION: Command line parsing. Get the next token on the command line 619 * 620 ******************************************************************************/ 621 622 char * 623 AcpiDbGetNextToken ( 624 char *String, 625 char **Next, 626 ACPI_OBJECT_TYPE *ReturnType) 627 { 628 char *Start; 629 UINT32 Depth; 630 ACPI_OBJECT_TYPE Type = ACPI_TYPE_INTEGER; 631 632 633 /* At end of buffer? */ 634 635 if (!String || !(*String)) 636 { 637 return (NULL); 638 } 639 640 /* Remove any spaces at the beginning, ignore blank lines */ 641 642 while (*String && isspace (*String)) 643 { 644 String++; 645 } 646 647 if (!(*String)) 648 { 649 return (NULL); 650 } 651 652 switch (*String) 653 { 654 case '"': 655 656 /* This is a quoted string, scan until closing quote */ 657 658 String++; 659 Start = String; 660 Type = ACPI_TYPE_STRING; 661 662 /* Find end of string */ 663 664 while (*String && (*String != '"')) 665 { 666 String++; 667 } 668 break; 669 670 case '(': 671 672 /* This is the start of a buffer, scan until closing paren */ 673 674 String++; 675 Start = String; 676 Type = ACPI_TYPE_BUFFER; 677 678 /* Find end of buffer */ 679 680 while (*String && (*String != ')')) 681 { 682 String++; 683 } 684 break; 685 686 case '{': 687 688 /* This is the start of a field unit, scan until closing brace */ 689 690 String++; 691 Start = String; 692 Type = ACPI_TYPE_FIELD_UNIT; 693 694 /* Find end of buffer */ 695 696 while (*String && (*String != '}')) 697 { 698 String++; 699 } 700 break; 701 702 case '[': 703 704 /* This is the start of a package, scan until closing bracket */ 705 706 String++; 707 Depth = 1; 708 Start = String; 709 Type = ACPI_TYPE_PACKAGE; 710 711 /* Find end of package (closing bracket) */ 712 713 while (*String) 714 { 715 /* Handle String package elements */ 716 717 if (*String == '"') 718 { 719 /* Find end of string */ 720 721 String++; 722 while (*String && (*String != '"')) 723 { 724 String++; 725 } 726 if (!(*String)) 727 { 728 break; 729 } 730 } 731 else if (*String == '[') 732 { 733 Depth++; /* A nested package declaration */ 734 } 735 else if (*String == ']') 736 { 737 Depth--; 738 if (Depth == 0) /* Found final package closing bracket */ 739 { 740 break; 741 } 742 } 743 744 String++; 745 } 746 break; 747 748 default: 749 750 Start = String; 751 752 /* Find end of token */ 753 754 while (*String && !isspace (*String)) 755 { 756 String++; 757 } 758 break; 759 } 760 761 if (!(*String)) 762 { 763 *Next = NULL; 764 } 765 else 766 { 767 *String = 0; 768 *Next = String + 1; 769 } 770 771 *ReturnType = Type; 772 return (Start); 773 } 774 775 776 /******************************************************************************* 777 * 778 * FUNCTION: AcpiDbGetLine 779 * 780 * PARAMETERS: InputBuffer - Command line buffer 781 * 782 * RETURN: Count of arguments to the command 783 * 784 * DESCRIPTION: Get the next command line from the user. Gets entire line 785 * up to the next newline 786 * 787 ******************************************************************************/ 788 789 static UINT32 790 AcpiDbGetLine ( 791 char *InputBuffer) 792 { 793 UINT32 i; 794 UINT32 Count; 795 char *Next; 796 char *This; 797 798 799 if (AcpiUtSafeStrcpy (AcpiGbl_DbParsedBuf, sizeof (AcpiGbl_DbParsedBuf), 800 InputBuffer)) 801 { 802 AcpiOsPrintf ( 803 "Buffer overflow while parsing input line (max %u characters)\n", 804 (UINT32) sizeof (AcpiGbl_DbParsedBuf)); 805 return (0); 806 } 807 808 This = AcpiGbl_DbParsedBuf; 809 for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++) 810 { 811 AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next, 812 &AcpiGbl_DbArgTypes[i]); 813 if (!AcpiGbl_DbArgs[i]) 814 { 815 break; 816 } 817 818 This = Next; 819 } 820 821 /* Uppercase the actual command */ 822 823 AcpiUtStrupr (AcpiGbl_DbArgs[0]); 824 825 Count = i; 826 if (Count) 827 { 828 Count--; /* Number of args only */ 829 } 830 831 return (Count); 832 } 833 834 835 /******************************************************************************* 836 * 837 * FUNCTION: AcpiDbMatchCommand 838 * 839 * PARAMETERS: UserCommand - User command line 840 * 841 * RETURN: Index into command array, -1 if not found 842 * 843 * DESCRIPTION: Search command array for a command match 844 * 845 ******************************************************************************/ 846 847 static UINT32 848 AcpiDbMatchCommand ( 849 char *UserCommand) 850 { 851 UINT32 i; 852 853 854 if (!UserCommand || UserCommand[0] == 0) 855 { 856 return (CMD_NULL); 857 } 858 859 for (i = CMD_FIRST_VALID; AcpiGbl_DbCommands[i].Name; i++) 860 { 861 if (strstr ( 862 ACPI_CAST_PTR (char, AcpiGbl_DbCommands[i].Name), UserCommand) == 863 AcpiGbl_DbCommands[i].Name) 864 { 865 return (i); 866 } 867 } 868 869 /* Command not recognized */ 870 871 return (CMD_NOT_FOUND); 872 } 873 874 875 /******************************************************************************* 876 * 877 * FUNCTION: AcpiDbCommandDispatch 878 * 879 * PARAMETERS: InputBuffer - Command line buffer 880 * WalkState - Current walk 881 * Op - Current (executing) parse op 882 * 883 * RETURN: Status 884 * 885 * DESCRIPTION: Command dispatcher. 886 * 887 ******************************************************************************/ 888 889 ACPI_STATUS 890 AcpiDbCommandDispatch ( 891 char *InputBuffer, 892 ACPI_WALK_STATE *WalkState, 893 ACPI_PARSE_OBJECT *Op) 894 { 895 UINT32 Temp; 896 UINT64 Temp64; 897 UINT32 CommandIndex; 898 UINT32 ParamCount; 899 char *CommandLine; 900 ACPI_STATUS Status = AE_CTRL_TRUE; 901 902 903 /* If AcpiTerminate has been called, terminate this thread */ 904 905 if (AcpiGbl_DbTerminateLoop) 906 { 907 return (AE_CTRL_TERMINATE); 908 } 909 910 /* Find command and add to the history buffer */ 911 912 ParamCount = AcpiDbGetLine (InputBuffer); 913 CommandIndex = AcpiDbMatchCommand (AcpiGbl_DbArgs[0]); 914 915 /* 916 * We don't want to add the !! command to the history buffer. It 917 * would cause an infinite loop because it would always be the 918 * previous command. 919 */ 920 if (CommandIndex != CMD_HISTORY_LAST) 921 { 922 AcpiDbAddToHistory (InputBuffer); 923 } 924 925 /* Verify that we have the minimum number of params */ 926 927 if (ParamCount < AcpiGbl_DbCommands[CommandIndex].MinArgs) 928 { 929 AcpiOsPrintf ("%u parameters entered, [%s] requires %u parameters\n", 930 ParamCount, AcpiGbl_DbCommands[CommandIndex].Name, 931 AcpiGbl_DbCommands[CommandIndex].MinArgs); 932 933 AcpiDbDisplayCommandInfo ( 934 AcpiGbl_DbCommands[CommandIndex].Name, FALSE); 935 return (AE_CTRL_TRUE); 936 } 937 938 /* Decode and dispatch the command */ 939 940 switch (CommandIndex) 941 { 942 case CMD_NULL: 943 944 if (Op) 945 { 946 return (AE_OK); 947 } 948 break; 949 950 case CMD_ALLOCATIONS: 951 952 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 953 AcpiUtDumpAllocations ((UINT32) -1, NULL); 954 #endif 955 break; 956 957 case CMD_ARGS: 958 case CMD_ARGUMENTS: 959 960 AcpiDbDisplayArguments (); 961 break; 962 963 case CMD_BREAKPOINT: 964 965 AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs[1], WalkState, Op); 966 break; 967 968 case CMD_BUSINFO: 969 970 AcpiDbGetBusInfo (); 971 break; 972 973 case CMD_CALL: 974 975 AcpiDbSetMethodCallBreakpoint (Op); 976 Status = AE_OK; 977 break; 978 979 case CMD_DEBUG: 980 981 AcpiDbExecute (AcpiGbl_DbArgs[1], 982 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_SINGLE_STEP); 983 break; 984 985 case CMD_DISASSEMBLE: 986 case CMD_DISASM: 987 988 #ifdef ACPI_DISASSEMBLER 989 (void) AcpiDbDisassembleMethod (AcpiGbl_DbArgs[1]); 990 #else 991 AcpiOsPrintf ("The AML Disassembler is not configured/present\n"); 992 #endif 993 break; 994 995 case CMD_DUMP: 996 997 AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 998 break; 999 1000 case CMD_EVALUATE: 1001 case CMD_EXECUTE: 1002 1003 AcpiDbExecute (AcpiGbl_DbArgs[1], 1004 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_NO_SINGLE_STEP); 1005 break; 1006 1007 case CMD_FIND: 1008 1009 Status = AcpiDbFindNameInNamespace (AcpiGbl_DbArgs[1]); 1010 break; 1011 1012 case CMD_FIELDS: 1013 1014 Status = AcpiUtStrtoul64 (AcpiGbl_DbArgs[1], &Temp64); 1015 1016 if (ACPI_FAILURE (Status) || Temp64 >= ACPI_NUM_PREDEFINED_REGIONS) 1017 { 1018 AcpiOsPrintf ( 1019 "Invalid address space ID: must be between 0 and %u inclusive\n", 1020 ACPI_NUM_PREDEFINED_REGIONS - 1); 1021 return (AE_OK); 1022 } 1023 1024 Status = AcpiDbDisplayFields ((UINT32) Temp64); 1025 break; 1026 1027 case CMD_GO: 1028 1029 AcpiGbl_CmSingleStep = FALSE; 1030 return (AE_OK); 1031 1032 case CMD_HANDLERS: 1033 1034 AcpiDbDisplayHandlers (); 1035 break; 1036 1037 case CMD_HELP: 1038 case CMD_HELP2: 1039 1040 AcpiDbDisplayHelp (AcpiGbl_DbArgs[1]); 1041 break; 1042 1043 case CMD_HISTORY: 1044 1045 AcpiDbDisplayHistory (); 1046 break; 1047 1048 case CMD_HISTORY_EXE: /* ! command */ 1049 1050 CommandLine = AcpiDbGetFromHistory (AcpiGbl_DbArgs[1]); 1051 if (!CommandLine) 1052 { 1053 return (AE_CTRL_TRUE); 1054 } 1055 1056 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op); 1057 return (Status); 1058 1059 case CMD_HISTORY_LAST: /* !! command */ 1060 1061 CommandLine = AcpiDbGetFromHistory (NULL); 1062 if (!CommandLine) 1063 { 1064 return (AE_CTRL_TRUE); 1065 } 1066 1067 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op); 1068 return (Status); 1069 1070 case CMD_INFORMATION: 1071 1072 AcpiDbDisplayMethodInfo (Op); 1073 break; 1074 1075 case CMD_INTEGRITY: 1076 1077 AcpiDbCheckIntegrity (); 1078 break; 1079 1080 case CMD_INTO: 1081 1082 if (Op) 1083 { 1084 AcpiGbl_CmSingleStep = TRUE; 1085 return (AE_OK); 1086 } 1087 break; 1088 1089 case CMD_LEVEL: 1090 1091 if (ParamCount == 0) 1092 { 1093 AcpiOsPrintf ( 1094 "Current debug level for file output is: %8.8X\n", 1095 AcpiGbl_DbDebugLevel); 1096 AcpiOsPrintf ( 1097 "Current debug level for console output is: %8.8X\n", 1098 AcpiGbl_DbConsoleDebugLevel); 1099 } 1100 else if (ParamCount == 2) 1101 { 1102 Temp = AcpiGbl_DbConsoleDebugLevel; 1103 AcpiGbl_DbConsoleDebugLevel = 1104 strtoul (AcpiGbl_DbArgs[1], NULL, 16); 1105 AcpiOsPrintf ( 1106 "Debug Level for console output was %8.8X, now %8.8X\n", 1107 Temp, AcpiGbl_DbConsoleDebugLevel); 1108 } 1109 else 1110 { 1111 Temp = AcpiGbl_DbDebugLevel; 1112 AcpiGbl_DbDebugLevel = strtoul (AcpiGbl_DbArgs[1], NULL, 16); 1113 AcpiOsPrintf ( 1114 "Debug Level for file output was %8.8X, now %8.8X\n", 1115 Temp, AcpiGbl_DbDebugLevel); 1116 } 1117 break; 1118 1119 case CMD_LIST: 1120 1121 #ifdef ACPI_DISASSEMBLER 1122 AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op); 1123 #else 1124 AcpiOsPrintf ("The AML Disassembler is not configured/present\n"); 1125 #endif 1126 break; 1127 1128 case CMD_LOCKS: 1129 1130 AcpiDbDisplayLocks (); 1131 break; 1132 1133 case CMD_LOCALS: 1134 1135 AcpiDbDisplayLocals (); 1136 break; 1137 1138 case CMD_METHODS: 1139 1140 Status = AcpiDbDisplayObjects ("METHOD", AcpiGbl_DbArgs[1]); 1141 break; 1142 1143 case CMD_NAMESPACE: 1144 1145 AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1146 break; 1147 1148 case CMD_NOTIFY: 1149 1150 Temp = strtoul (AcpiGbl_DbArgs[2], NULL, 0); 1151 AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp); 1152 break; 1153 1154 case CMD_OBJECTS: 1155 1156 AcpiUtStrupr (AcpiGbl_DbArgs[1]); 1157 Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1158 break; 1159 1160 case CMD_OSI: 1161 1162 AcpiDbDisplayInterfaces (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1163 break; 1164 1165 case CMD_OWNER: 1166 1167 AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1168 break; 1169 1170 case CMD_PATHS: 1171 1172 AcpiDbDumpNamespacePaths (); 1173 break; 1174 1175 case CMD_PREFIX: 1176 1177 AcpiDbSetScope (AcpiGbl_DbArgs[1]); 1178 break; 1179 1180 case CMD_REFERENCES: 1181 1182 AcpiDbFindReferences (AcpiGbl_DbArgs[1]); 1183 break; 1184 1185 case CMD_RESOURCES: 1186 1187 AcpiDbDisplayResources (AcpiGbl_DbArgs[1]); 1188 break; 1189 1190 case CMD_RESULTS: 1191 1192 AcpiDbDisplayResults (); 1193 break; 1194 1195 case CMD_SET: 1196 1197 AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], 1198 AcpiGbl_DbArgs[3]); 1199 break; 1200 1201 case CMD_STATS: 1202 1203 Status = AcpiDbDisplayStatistics (AcpiGbl_DbArgs[1]); 1204 break; 1205 1206 case CMD_STOP: 1207 1208 return (AE_NOT_IMPLEMENTED); 1209 1210 case CMD_TABLES: 1211 1212 AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]); 1213 break; 1214 1215 case CMD_TEMPLATE: 1216 1217 AcpiDbDisplayTemplate (AcpiGbl_DbArgs[1]); 1218 break; 1219 1220 case CMD_TRACE: 1221 1222 AcpiDbTrace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], AcpiGbl_DbArgs[3]); 1223 break; 1224 1225 case CMD_TREE: 1226 1227 AcpiDbDisplayCallingTree (); 1228 break; 1229 1230 case CMD_TYPE: 1231 1232 AcpiDbDisplayObjectType (AcpiGbl_DbArgs[1]); 1233 break; 1234 1235 #ifdef ACPI_APPLICATION 1236 1237 /* Hardware simulation commands. */ 1238 1239 case CMD_ENABLEACPI: 1240 #if (!ACPI_REDUCED_HARDWARE) 1241 1242 Status = AcpiEnable(); 1243 if (ACPI_FAILURE(Status)) 1244 { 1245 AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status); 1246 return (Status); 1247 } 1248 #endif /* !ACPI_REDUCED_HARDWARE */ 1249 break; 1250 1251 case CMD_EVENT: 1252 1253 AcpiOsPrintf ("Event command not implemented\n"); 1254 break; 1255 1256 case CMD_GPE: 1257 1258 AcpiDbGenerateGpe (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1259 break; 1260 1261 case CMD_GPES: 1262 1263 AcpiDbDisplayGpes (); 1264 break; 1265 1266 case CMD_SCI: 1267 1268 AcpiDbGenerateSci (); 1269 break; 1270 1271 case CMD_SLEEP: 1272 1273 Status = AcpiDbSleep (AcpiGbl_DbArgs[1]); 1274 break; 1275 1276 /* File I/O commands. */ 1277 1278 case CMD_CLOSE: 1279 1280 AcpiDbCloseDebugFile (); 1281 break; 1282 1283 case CMD_LOAD: 1284 { 1285 ACPI_NEW_TABLE_DESC *ListHead = NULL; 1286 1287 Status = AcGetAllTablesFromFile (AcpiGbl_DbArgs[1], 1288 ACPI_GET_ALL_TABLES, &ListHead); 1289 if (ACPI_SUCCESS (Status)) 1290 { 1291 AcpiDbLoadTables (ListHead); 1292 } 1293 } 1294 break; 1295 1296 case CMD_OPEN: 1297 1298 AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]); 1299 break; 1300 1301 /* User space commands. */ 1302 1303 case CMD_TERMINATE: 1304 1305 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT); 1306 AcpiUtSubsystemShutdown (); 1307 1308 /* 1309 * TBD: [Restructure] Need some way to re-initialize without 1310 * re-creating the semaphores! 1311 */ 1312 1313 AcpiGbl_DbTerminateLoop = TRUE; 1314 /* AcpiInitialize (NULL); */ 1315 break; 1316 1317 case CMD_BACKGROUND: 1318 1319 AcpiDbCreateExecutionThread (AcpiGbl_DbArgs[1], &AcpiGbl_DbArgs[2], 1320 &AcpiGbl_DbArgTypes[2]); 1321 break; 1322 1323 case CMD_THREADS: 1324 1325 AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], 1326 AcpiGbl_DbArgs[3]); 1327 break; 1328 1329 /* Debug test commands. */ 1330 1331 case CMD_PREDEFINED: 1332 1333 AcpiDbCheckPredefinedNames (); 1334 break; 1335 1336 case CMD_TEST: 1337 1338 AcpiDbExecuteTest (AcpiGbl_DbArgs[1]); 1339 break; 1340 1341 case CMD_UNLOAD: 1342 1343 AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs[1]); 1344 break; 1345 #endif 1346 1347 case CMD_EXIT: 1348 case CMD_QUIT: 1349 1350 if (Op) 1351 { 1352 AcpiOsPrintf ("Method execution terminated\n"); 1353 return (AE_CTRL_TERMINATE); 1354 } 1355 1356 if (!AcpiGbl_DbOutputToFile) 1357 { 1358 AcpiDbgLevel = ACPI_DEBUG_DEFAULT; 1359 } 1360 1361 #ifdef ACPI_APPLICATION 1362 AcpiDbCloseDebugFile (); 1363 #endif 1364 AcpiGbl_DbTerminateLoop = TRUE; 1365 return (AE_CTRL_TERMINATE); 1366 1367 case CMD_NOT_FOUND: 1368 default: 1369 1370 AcpiOsPrintf ("%s: unknown command\n", AcpiGbl_DbArgs[0]); 1371 return (AE_CTRL_TRUE); 1372 } 1373 1374 if (ACPI_SUCCESS (Status)) 1375 { 1376 Status = AE_CTRL_TRUE; 1377 } 1378 1379 return (Status); 1380 } 1381 1382 1383 /******************************************************************************* 1384 * 1385 * FUNCTION: AcpiDbExecuteThread 1386 * 1387 * PARAMETERS: Context - Not used 1388 * 1389 * RETURN: None 1390 * 1391 * DESCRIPTION: Debugger execute thread. Waits for a command line, then 1392 * simply dispatches it. 1393 * 1394 ******************************************************************************/ 1395 1396 void ACPI_SYSTEM_XFACE 1397 AcpiDbExecuteThread ( 1398 void *Context) 1399 { 1400 1401 (void) AcpiDbUserCommands (); 1402 AcpiGbl_DbThreadsTerminated = TRUE; 1403 } 1404 1405 1406 /******************************************************************************* 1407 * 1408 * FUNCTION: AcpiDbUserCommands 1409 * 1410 * PARAMETERS: None 1411 * 1412 * RETURN: None 1413 * 1414 * DESCRIPTION: Command line execution for the AML debugger. Commands are 1415 * matched and dispatched here. 1416 * 1417 ******************************************************************************/ 1418 1419 ACPI_STATUS 1420 AcpiDbUserCommands ( 1421 void) 1422 { 1423 ACPI_STATUS Status = AE_OK; 1424 1425 1426 AcpiOsPrintf ("\n"); 1427 1428 /* TBD: [Restructure] Need a separate command line buffer for step mode */ 1429 1430 while (!AcpiGbl_DbTerminateLoop) 1431 { 1432 /* Wait the readiness of the command */ 1433 1434 Status = AcpiOsWaitCommandReady (); 1435 if (ACPI_FAILURE (Status)) 1436 { 1437 break; 1438 } 1439 1440 /* Just call to the command line interpreter */ 1441 1442 AcpiGbl_MethodExecuting = FALSE; 1443 AcpiGbl_StepToNextCall = FALSE; 1444 1445 (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL); 1446 1447 /* Notify the completion of the command */ 1448 1449 Status = AcpiOsNotifyCommandComplete (); 1450 if (ACPI_FAILURE (Status)) 1451 { 1452 break; 1453 } 1454 } 1455 1456 if (ACPI_FAILURE (Status) && Status != AE_CTRL_TERMINATE) 1457 { 1458 ACPI_EXCEPTION ((AE_INFO, Status, "While parsing command line")); 1459 } 1460 return (Status); 1461 } 1462