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 - 2021, 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 "acpi.h" 153 #include "accommon.h" 154 #include "acdebug.h" 155 156 #ifdef ACPI_APPLICATION 157 #include "acapps.h" 158 #endif 159 160 #ifdef ACPI_DEBUGGER 161 162 #define _COMPONENT ACPI_CA_DEBUGGER 163 ACPI_MODULE_NAME ("dbinput") 164 165 166 /* Local prototypes */ 167 168 static UINT32 169 AcpiDbGetLine ( 170 char *InputBuffer); 171 172 static UINT32 173 AcpiDbMatchCommand ( 174 char *UserCommand); 175 176 static void 177 AcpiDbDisplayCommandInfo ( 178 const char *Command, 179 BOOLEAN DisplayAll); 180 181 static void 182 AcpiDbDisplayHelp ( 183 char *Command); 184 185 static BOOLEAN 186 AcpiDbMatchCommandHelp ( 187 const char *Command, 188 const ACPI_DB_COMMAND_HELP *Help); 189 190 191 /* 192 * Top-level debugger commands. 193 * 194 * This list of commands must match the string table below it 195 */ 196 enum AcpiExDebuggerCommands 197 { 198 CMD_NOT_FOUND = 0, 199 CMD_NULL, 200 CMD_ALL, 201 CMD_ALLOCATIONS, 202 CMD_ARGS, 203 CMD_ARGUMENTS, 204 CMD_BREAKPOINT, 205 CMD_BUSINFO, 206 CMD_CALL, 207 CMD_DEBUG, 208 CMD_DISASSEMBLE, 209 CMD_DISASM, 210 CMD_DUMP, 211 CMD_EVALUATE, 212 CMD_EXECUTE, 213 CMD_EXIT, 214 CMD_FIELDS, 215 CMD_FIND, 216 CMD_GO, 217 CMD_HANDLERS, 218 CMD_HELP, 219 CMD_HELP2, 220 CMD_HISTORY, 221 CMD_HISTORY_EXE, 222 CMD_HISTORY_LAST, 223 CMD_INFORMATION, 224 CMD_INTEGRITY, 225 CMD_INTO, 226 CMD_LEVEL, 227 CMD_LIST, 228 CMD_LOCALS, 229 CMD_LOCKS, 230 CMD_METHODS, 231 CMD_NAMESPACE, 232 CMD_NOTIFY, 233 CMD_OBJECTS, 234 CMD_OSI, 235 CMD_OWNER, 236 CMD_PATHS, 237 CMD_PREDEFINED, 238 CMD_PREFIX, 239 CMD_QUIT, 240 CMD_REFERENCES, 241 CMD_RESOURCES, 242 CMD_RESULTS, 243 CMD_SET, 244 CMD_STATS, 245 CMD_STOP, 246 CMD_TABLES, 247 CMD_TEMPLATE, 248 CMD_TRACE, 249 CMD_TREE, 250 CMD_TYPE, 251 #ifdef ACPI_APPLICATION 252 CMD_ENABLEACPI, 253 CMD_EVENT, 254 CMD_GPE, 255 CMD_GPES, 256 CMD_SCI, 257 CMD_SLEEP, 258 259 CMD_CLOSE, 260 CMD_LOAD, 261 CMD_OPEN, 262 CMD_UNLOAD, 263 264 CMD_TERMINATE, 265 CMD_BACKGROUND, 266 CMD_THREADS, 267 268 CMD_TEST, 269 #endif 270 }; 271 272 #define CMD_FIRST_VALID 2 273 274 275 /* Second parameter is the required argument count */ 276 277 static const ACPI_DB_COMMAND_INFO AcpiGbl_DbCommands[] = 278 { 279 {"<NOT FOUND>", 0}, 280 {"<NULL>", 0}, 281 {"ALL", 1}, 282 {"ALLOCATIONS", 0}, 283 {"ARGS", 0}, 284 {"ARGUMENTS", 0}, 285 {"BREAKPOINT", 1}, 286 {"BUSINFO", 0}, 287 {"CALL", 0}, 288 {"DEBUG", 1}, 289 {"DISASSEMBLE", 1}, 290 {"DISASM", 1}, 291 {"DUMP", 1}, 292 {"EVALUATE", 1}, 293 {"EXECUTE", 1}, 294 {"EXIT", 0}, 295 {"FIELDS", 1}, 296 {"FIND", 1}, 297 {"GO", 0}, 298 {"HANDLERS", 0}, 299 {"HELP", 0}, 300 {"?", 0}, 301 {"HISTORY", 0}, 302 {"!", 1}, 303 {"!!", 0}, 304 {"INFORMATION", 0}, 305 {"INTEGRITY", 0}, 306 {"INTO", 0}, 307 {"LEVEL", 0}, 308 {"LIST", 0}, 309 {"LOCALS", 0}, 310 {"LOCKS", 0}, 311 {"METHODS", 0}, 312 {"NAMESPACE", 0}, 313 {"NOTIFY", 2}, 314 {"OBJECTS", 0}, 315 {"OSI", 0}, 316 {"OWNER", 1}, 317 {"PATHS", 0}, 318 {"PREDEFINED", 0}, 319 {"PREFIX", 0}, 320 {"QUIT", 0}, 321 {"REFERENCES", 1}, 322 {"RESOURCES", 0}, 323 {"RESULTS", 0}, 324 {"SET", 3}, 325 {"STATS", 1}, 326 {"STOP", 0}, 327 {"TABLES", 0}, 328 {"TEMPLATE", 1}, 329 {"TRACE", 1}, 330 {"TREE", 0}, 331 {"TYPE", 1}, 332 #ifdef ACPI_APPLICATION 333 {"ENABLEACPI", 0}, 334 {"EVENT", 1}, 335 {"GPE", 1}, 336 {"GPES", 0}, 337 {"SCI", 0}, 338 {"SLEEP", 0}, 339 340 {"CLOSE", 0}, 341 {"LOAD", 1}, 342 {"OPEN", 1}, 343 {"UNLOAD", 1}, 344 345 {"TERMINATE", 0}, 346 {"BACKGROUND", 1}, 347 {"THREADS", 3}, 348 349 {"TEST", 1}, 350 #endif 351 {NULL, 0} 352 }; 353 354 /* 355 * Help for all debugger commands. First argument is the number of lines 356 * of help to output for the command. 357 * 358 * Note: Some commands are not supported by the kernel-level version of 359 * the debugger. 360 */ 361 static const ACPI_DB_COMMAND_HELP AcpiGbl_DbCommandHelp[] = 362 { 363 {0, "\nNamespace Access:", "\n"}, 364 {1, " Businfo", "Display system bus info\n"}, 365 {1, " Disassemble <Method>", "Disassemble a control method\n"}, 366 {1, " Find <AcpiName> (? is wildcard)", "Find ACPI name(s) with wildcards\n"}, 367 {1, " Integrity", "Validate namespace integrity\n"}, 368 {1, " Methods", "Display list of loaded control methods\n"}, 369 {1, " Fields <AddressSpaceId>", "Display list of loaded field units by space ID\n"}, 370 {1, " Namespace [Object] [Depth]", "Display loaded namespace tree/subtree\n"}, 371 {1, " Notify <Object> <Value>", "Send a notification on Object\n"}, 372 {1, " Objects [ObjectType]", "Display summary of all objects or just given type\n"}, 373 {1, " Owner <OwnerId> [Depth]", "Display loaded namespace by object owner\n"}, 374 {1, " Paths", "Display full pathnames of namespace objects\n"}, 375 {1, " Predefined", "Check all predefined names\n"}, 376 {1, " Prefix [<Namepath>]", "Set or Get current execution prefix\n"}, 377 {1, " References <Addr>", "Find all references to object at addr\n"}, 378 {1, " Resources [DeviceName]", "Display Device resources (no arg = all devices)\n"}, 379 {1, " Set N <NamedObject> <Value>", "Set value for named integer\n"}, 380 {1, " Template <Object>", "Format/dump a Buffer/ResourceTemplate\n"}, 381 {1, " Type <Object>", "Display object type\n"}, 382 383 {0, "\nControl Method Execution:", "\n"}, 384 {1, " All <NameSeg>", "Evaluate all objects named NameSeg\n"}, 385 {1, " Evaluate <Namepath> [Arguments]", "Evaluate object or control method\n"}, 386 {1, " Execute <Namepath> [Arguments]", "Synonym for Evaluate\n"}, 387 #ifdef ACPI_APPLICATION 388 {1, " Background <Namepath> [Arguments]", "Evaluate object/method in a separate thread\n"}, 389 {1, " Thread <Threads><Loops><NamePath>", "Spawn threads to execute method(s)\n"}, 390 #endif 391 {1, " Debug <Namepath> [Arguments]", "Single-Step a control method\n"}, 392 {7, " [Arguments] formats:", "Control method argument formats\n"}, 393 {1, " Hex Integer", "Integer\n"}, 394 {1, " \"Ascii String\"", "String\n"}, 395 {1, " (Hex Byte List)", "Buffer\n"}, 396 {1, " (01 42 7A BF)", "Buffer example (4 bytes)\n"}, 397 {1, " [Package Element List]", "Package\n"}, 398 {1, " [0x01 0x1234 \"string\"]", "Package example (3 elements)\n"}, 399 400 {0, "\nMiscellaneous:", "\n"}, 401 {1, " Allocations", "Display list of current memory allocations\n"}, 402 {2, " Dump <Address>|<Namepath>", "\n"}, 403 {0, " [Byte|Word|Dword|Qword]", "Display ACPI objects or memory\n"}, 404 {1, " Handlers", "Info about global handlers\n"}, 405 {1, " Help [Command]", "This help screen or individual command\n"}, 406 {1, " History", "Display command history buffer\n"}, 407 {1, " Level <DebugLevel>] [console]", "Get/Set debug level for file or console\n"}, 408 {1, " Locks", "Current status of internal mutexes\n"}, 409 {1, " Osi [Install|Remove <name>]", "Display or modify global _OSI list\n"}, 410 {1, " Quit or Exit", "Exit this command\n"}, 411 {8, " Stats <SubCommand>", "Display namespace and memory statistics\n"}, 412 {1, " Allocations", "Display list of current memory allocations\n"}, 413 {1, " Memory", "Dump internal memory lists\n"}, 414 {1, " Misc", "Namespace search and mutex stats\n"}, 415 {1, " Objects", "Summary of namespace objects\n"}, 416 {1, " Sizes", "Sizes for each of the internal objects\n"}, 417 {1, " Stack", "Display CPU stack usage\n"}, 418 {1, " Tables", "Info about current ACPI table(s)\n"}, 419 {1, " Tables", "Display info about loaded ACPI tables\n"}, 420 #ifdef ACPI_APPLICATION 421 {1, " Terminate", "Delete namespace and all internal objects\n"}, 422 #endif 423 {1, " ! <CommandNumber>", "Execute command from history buffer\n"}, 424 {1, " !!", "Execute last command again\n"}, 425 426 {0, "\nMethod and Namespace Debugging:", "\n"}, 427 {5, " Trace <State> [<Namepath>] [Once]", "Trace control method execution\n"}, 428 {1, " Enable", "Enable all messages\n"}, 429 {1, " Disable", "Disable tracing\n"}, 430 {1, " Method", "Enable method execution messages\n"}, 431 {1, " Opcode", "Enable opcode execution messages\n"}, 432 {3, " Test <TestName>", "Invoke a debug test\n"}, 433 {1, " Objects", "Read/write/compare all namespace data objects\n"}, 434 {1, " Predefined", "Validate all ACPI predefined names (_STA, etc.)\n"}, 435 {1, " Execute predefined", "Execute all predefined (public) methods\n"}, 436 437 {0, "\nControl Method Single-Step Execution:","\n"}, 438 {1, " Arguments (or Args)", "Display method arguments\n"}, 439 {1, " Breakpoint <AmlOffset>", "Set an AML execution breakpoint\n"}, 440 {1, " Call", "Run to next control method invocation\n"}, 441 {1, " Go", "Allow method to run to completion\n"}, 442 {1, " Information", "Display info about the current method\n"}, 443 {1, " Into", "Step into (not over) a method call\n"}, 444 {1, " List [# of Aml Opcodes]", "Display method ASL statements\n"}, 445 {1, " Locals", "Display method local variables\n"}, 446 {1, " Results", "Display method result stack\n"}, 447 {1, " Set <A|L> <#> <Value>", "Set method data (Arguments/Locals)\n"}, 448 {1, " Stop", "Terminate control method\n"}, 449 {1, " Tree", "Display control method calling tree\n"}, 450 {1, " <Enter>", "Single step next AML opcode (over calls)\n"}, 451 452 #ifdef ACPI_APPLICATION 453 {0, "\nFile Operations:", "\n"}, 454 {1, " Close", "Close debug output file\n"}, 455 {1, " Load <Input Filename>", "Load ACPI table from a file\n"}, 456 {1, " Open <Output Filename>", "Open a file for debug output\n"}, 457 {1, " Unload <Namepath>", "Unload an ACPI table via namespace object\n"}, 458 459 {0, "\nHardware Simulation:", "\n"}, 460 {1, " EnableAcpi", "Enable ACPI (hardware) mode\n"}, 461 {1, " Event <F|G> <Value>", "Generate AcpiEvent (Fixed/GPE)\n"}, 462 {1, " Gpe <GpeNum> [GpeBlockDevice]", "Simulate a GPE\n"}, 463 {1, " Gpes", "Display info on all GPE devices\n"}, 464 {1, " Sci", "Generate an SCI\n"}, 465 {1, " Sleep [SleepState]", "Simulate sleep/wake sequence(s) (0-5)\n"}, 466 #endif 467 {0, NULL, NULL} 468 }; 469 470 471 /******************************************************************************* 472 * 473 * FUNCTION: AcpiDbMatchCommandHelp 474 * 475 * PARAMETERS: Command - Command string to match 476 * Help - Help table entry to attempt match 477 * 478 * RETURN: TRUE if command matched, FALSE otherwise 479 * 480 * DESCRIPTION: Attempt to match a command in the help table in order to 481 * print help information for a single command. 482 * 483 ******************************************************************************/ 484 485 static BOOLEAN 486 AcpiDbMatchCommandHelp ( 487 const char *Command, 488 const ACPI_DB_COMMAND_HELP *Help) 489 { 490 char *Invocation = Help->Invocation; 491 UINT32 LineCount; 492 493 494 /* Valid commands in the help table begin with a couple of spaces */ 495 496 if (*Invocation != ' ') 497 { 498 return (FALSE); 499 } 500 501 while (*Invocation == ' ') 502 { 503 Invocation++; 504 } 505 506 /* Match command name (full command or substring) */ 507 508 while ((*Command) && (*Invocation) && (*Invocation != ' ')) 509 { 510 if (tolower ((int) *Command) != tolower ((int) *Invocation)) 511 { 512 return (FALSE); 513 } 514 515 Invocation++; 516 Command++; 517 } 518 519 /* Print the appropriate number of help lines */ 520 521 LineCount = Help->LineCount; 522 while (LineCount) 523 { 524 AcpiOsPrintf ("%-38s : %s", Help->Invocation, Help->Description); 525 Help++; 526 LineCount--; 527 } 528 529 return (TRUE); 530 } 531 532 533 /******************************************************************************* 534 * 535 * FUNCTION: AcpiDbDisplayCommandInfo 536 * 537 * PARAMETERS: Command - Command string to match 538 * DisplayAll - Display all matching commands, or just 539 * the first one (substring match) 540 * 541 * RETURN: None 542 * 543 * DESCRIPTION: Display help information for a Debugger command. 544 * 545 ******************************************************************************/ 546 547 static void 548 AcpiDbDisplayCommandInfo ( 549 const char *Command, 550 BOOLEAN DisplayAll) 551 { 552 const ACPI_DB_COMMAND_HELP *Next; 553 BOOLEAN Matched; 554 555 556 Next = AcpiGbl_DbCommandHelp; 557 while (Next->Invocation) 558 { 559 Matched = AcpiDbMatchCommandHelp (Command, Next); 560 if (!DisplayAll && Matched) 561 { 562 return; 563 } 564 565 Next++; 566 } 567 } 568 569 570 /******************************************************************************* 571 * 572 * FUNCTION: AcpiDbDisplayHelp 573 * 574 * PARAMETERS: Command - Optional command string to display help. 575 * if not specified, all debugger command 576 * help strings are displayed 577 * 578 * RETURN: None 579 * 580 * DESCRIPTION: Display help for a single debugger command, or all of them. 581 * 582 ******************************************************************************/ 583 584 static void 585 AcpiDbDisplayHelp ( 586 char *Command) 587 { 588 const ACPI_DB_COMMAND_HELP *Next = AcpiGbl_DbCommandHelp; 589 590 591 if (!Command) 592 { 593 /* No argument to help, display help for all commands */ 594 595 AcpiOsPrintf ("\nSummary of AML Debugger Commands\n\n"); 596 597 while (Next->Invocation) 598 { 599 AcpiOsPrintf ("%-38s%s", Next->Invocation, Next->Description); 600 Next++; 601 } 602 AcpiOsPrintf ("\n"); 603 604 } 605 else 606 { 607 /* Display help for all commands that match the substring */ 608 609 AcpiDbDisplayCommandInfo (Command, TRUE); 610 } 611 } 612 613 614 /******************************************************************************* 615 * 616 * FUNCTION: AcpiDbGetNextToken 617 * 618 * PARAMETERS: String - Command buffer 619 * Next - Return value, end of next token 620 * 621 * RETURN: Pointer to the start of the next token. 622 * 623 * DESCRIPTION: Command line parsing. Get the next token on the command line 624 * 625 ******************************************************************************/ 626 627 char * 628 AcpiDbGetNextToken ( 629 char *String, 630 char **Next, 631 ACPI_OBJECT_TYPE *ReturnType) 632 { 633 char *Start; 634 UINT32 Depth; 635 ACPI_OBJECT_TYPE Type = ACPI_TYPE_INTEGER; 636 637 638 /* At end of buffer? */ 639 640 if (!String || !(*String)) 641 { 642 return (NULL); 643 } 644 645 /* Remove any spaces at the beginning, ignore blank lines */ 646 647 while (*String && isspace ((int) *String)) 648 { 649 String++; 650 } 651 652 if (!(*String)) 653 { 654 return (NULL); 655 } 656 657 switch (*String) 658 { 659 case '"': 660 661 /* This is a quoted string, scan until closing quote */ 662 663 String++; 664 Start = String; 665 Type = ACPI_TYPE_STRING; 666 667 /* Find end of string */ 668 669 while (*String && (*String != '"')) 670 { 671 String++; 672 } 673 break; 674 675 case '(': 676 677 /* This is the start of a buffer, scan until closing paren */ 678 679 String++; 680 Start = String; 681 Type = ACPI_TYPE_BUFFER; 682 683 /* Find end of buffer */ 684 685 while (*String && (*String != ')')) 686 { 687 String++; 688 } 689 break; 690 691 case '{': 692 693 /* This is the start of a field unit, scan until closing brace */ 694 695 String++; 696 Start = String; 697 Type = ACPI_TYPE_FIELD_UNIT; 698 699 /* Find end of buffer */ 700 701 while (*String && (*String != '}')) 702 { 703 String++; 704 } 705 break; 706 707 case '[': 708 709 /* This is the start of a package, scan until closing bracket */ 710 711 String++; 712 Depth = 1; 713 Start = String; 714 Type = ACPI_TYPE_PACKAGE; 715 716 /* Find end of package (closing bracket) */ 717 718 while (*String) 719 { 720 /* Handle String package elements */ 721 722 if (*String == '"') 723 { 724 /* Find end of string */ 725 726 String++; 727 while (*String && (*String != '"')) 728 { 729 String++; 730 } 731 if (!(*String)) 732 { 733 break; 734 } 735 } 736 else if (*String == '[') 737 { 738 Depth++; /* A nested package declaration */ 739 } 740 else if (*String == ']') 741 { 742 Depth--; 743 if (Depth == 0) /* Found final package closing bracket */ 744 { 745 break; 746 } 747 } 748 749 String++; 750 } 751 break; 752 753 default: 754 755 Start = String; 756 757 /* Find end of token */ 758 759 while (*String && !isspace ((int) *String)) 760 { 761 String++; 762 } 763 break; 764 } 765 766 if (!(*String)) 767 { 768 *Next = NULL; 769 } 770 else 771 { 772 *String = 0; 773 *Next = String + 1; 774 } 775 776 *ReturnType = Type; 777 return (Start); 778 } 779 780 781 /******************************************************************************* 782 * 783 * FUNCTION: AcpiDbGetLine 784 * 785 * PARAMETERS: InputBuffer - Command line buffer 786 * 787 * RETURN: Count of arguments to the command 788 * 789 * DESCRIPTION: Get the next command line from the user. Gets entire line 790 * up to the next newline 791 * 792 ******************************************************************************/ 793 794 static UINT32 795 AcpiDbGetLine ( 796 char *InputBuffer) 797 { 798 UINT32 i; 799 UINT32 Count; 800 char *Next; 801 char *This; 802 803 804 if (AcpiUtSafeStrcpy (AcpiGbl_DbParsedBuf, sizeof (AcpiGbl_DbParsedBuf), 805 InputBuffer)) 806 { 807 AcpiOsPrintf ( 808 "Buffer overflow while parsing input line (max %u characters)\n", 809 (UINT32) sizeof (AcpiGbl_DbParsedBuf)); 810 return (0); 811 } 812 813 This = AcpiGbl_DbParsedBuf; 814 for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++) 815 { 816 AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next, 817 &AcpiGbl_DbArgTypes[i]); 818 if (!AcpiGbl_DbArgs[i]) 819 { 820 break; 821 } 822 823 This = Next; 824 } 825 826 /* Uppercase the actual command */ 827 828 AcpiUtStrupr (AcpiGbl_DbArgs[0]); 829 830 Count = i; 831 if (Count) 832 { 833 Count--; /* Number of args only */ 834 } 835 836 return (Count); 837 } 838 839 840 /******************************************************************************* 841 * 842 * FUNCTION: AcpiDbMatchCommand 843 * 844 * PARAMETERS: UserCommand - User command line 845 * 846 * RETURN: Index into command array, -1 if not found 847 * 848 * DESCRIPTION: Search command array for a command match 849 * 850 ******************************************************************************/ 851 852 static UINT32 853 AcpiDbMatchCommand ( 854 char *UserCommand) 855 { 856 UINT32 i; 857 858 859 if (!UserCommand || UserCommand[0] == 0) 860 { 861 return (CMD_NULL); 862 } 863 864 for (i = CMD_FIRST_VALID; AcpiGbl_DbCommands[i].Name; i++) 865 { 866 if (strstr ( 867 ACPI_CAST_PTR (char, AcpiGbl_DbCommands[i].Name), UserCommand) == 868 AcpiGbl_DbCommands[i].Name) 869 { 870 return (i); 871 } 872 } 873 874 /* Command not recognized */ 875 876 return (CMD_NOT_FOUND); 877 } 878 879 880 /******************************************************************************* 881 * 882 * FUNCTION: AcpiDbCommandDispatch 883 * 884 * PARAMETERS: InputBuffer - Command line buffer 885 * WalkState - Current walk 886 * Op - Current (executing) parse op 887 * 888 * RETURN: Status 889 * 890 * DESCRIPTION: Command dispatcher. 891 * 892 ******************************************************************************/ 893 894 ACPI_STATUS 895 AcpiDbCommandDispatch ( 896 char *InputBuffer, 897 ACPI_WALK_STATE *WalkState, 898 ACPI_PARSE_OBJECT *Op) 899 { 900 UINT32 Temp; 901 UINT64 Temp64; 902 UINT32 CommandIndex; 903 UINT32 ParamCount; 904 char *CommandLine; 905 ACPI_STATUS Status = AE_CTRL_TRUE; 906 907 908 /* If AcpiTerminate has been called, terminate this thread */ 909 910 if (AcpiGbl_DbTerminateLoop) 911 { 912 return (AE_CTRL_TERMINATE); 913 } 914 915 /* Find command and add to the history buffer */ 916 917 ParamCount = AcpiDbGetLine (InputBuffer); 918 CommandIndex = AcpiDbMatchCommand (AcpiGbl_DbArgs[0]); 919 920 /* 921 * We don't want to add the !! command to the history buffer. It 922 * would cause an infinite loop because it would always be the 923 * previous command. 924 */ 925 if (CommandIndex != CMD_HISTORY_LAST) 926 { 927 AcpiDbAddToHistory (InputBuffer); 928 } 929 930 /* Verify that we have the minimum number of params */ 931 932 if (ParamCount < AcpiGbl_DbCommands[CommandIndex].MinArgs) 933 { 934 AcpiOsPrintf ("%u parameters entered, [%s] requires %u parameters\n", 935 ParamCount, AcpiGbl_DbCommands[CommandIndex].Name, 936 AcpiGbl_DbCommands[CommandIndex].MinArgs); 937 938 AcpiDbDisplayCommandInfo ( 939 AcpiGbl_DbCommands[CommandIndex].Name, FALSE); 940 return (AE_CTRL_TRUE); 941 } 942 943 /* Decode and dispatch the command */ 944 945 switch (CommandIndex) 946 { 947 case CMD_NULL: 948 949 if (Op) 950 { 951 return (AE_OK); 952 } 953 break; 954 955 case CMD_ALL: 956 957 AcpiOsPrintf ("Executing all objects with NameSeg: %s\n", AcpiGbl_DbArgs[1]); 958 AcpiDbExecute (AcpiGbl_DbArgs[1], 959 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_NO_SINGLE_STEP | EX_ALL); 960 break; 961 962 case CMD_ALLOCATIONS: 963 964 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 965 AcpiUtDumpAllocations ((UINT32) -1, NULL); 966 #endif 967 break; 968 969 case CMD_ARGS: 970 case CMD_ARGUMENTS: 971 972 AcpiDbDisplayArguments (); 973 break; 974 975 case CMD_BREAKPOINT: 976 977 AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs[1], WalkState, Op); 978 break; 979 980 case CMD_BUSINFO: 981 982 AcpiDbGetBusInfo (); 983 break; 984 985 case CMD_CALL: 986 987 AcpiDbSetMethodCallBreakpoint (Op); 988 Status = AE_OK; 989 break; 990 991 case CMD_DEBUG: 992 993 AcpiDbExecute (AcpiGbl_DbArgs[1], 994 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_SINGLE_STEP); 995 break; 996 997 case CMD_DISASSEMBLE: 998 case CMD_DISASM: 999 1000 #ifdef ACPI_DISASSEMBLER 1001 (void) AcpiDbDisassembleMethod (AcpiGbl_DbArgs[1]); 1002 #else 1003 AcpiOsPrintf ("The AML Disassembler is not configured/present\n"); 1004 #endif 1005 break; 1006 1007 case CMD_DUMP: 1008 1009 AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1010 break; 1011 1012 case CMD_EVALUATE: 1013 case CMD_EXECUTE: 1014 1015 AcpiDbExecute (AcpiGbl_DbArgs[1], 1016 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_NO_SINGLE_STEP); 1017 break; 1018 1019 case CMD_FIND: 1020 1021 Status = AcpiDbFindNameInNamespace (AcpiGbl_DbArgs[1]); 1022 break; 1023 1024 case CMD_FIELDS: 1025 1026 Status = AcpiUtStrtoul64 (AcpiGbl_DbArgs[1], &Temp64); 1027 1028 if (ACPI_FAILURE (Status) || Temp64 >= ACPI_NUM_PREDEFINED_REGIONS) 1029 { 1030 AcpiOsPrintf ( 1031 "Invalid address space ID: must be between 0 and %u inclusive\n", 1032 ACPI_NUM_PREDEFINED_REGIONS - 1); 1033 return (AE_OK); 1034 } 1035 1036 Status = AcpiDbDisplayFields ((UINT32) Temp64); 1037 break; 1038 1039 case CMD_GO: 1040 1041 AcpiGbl_CmSingleStep = FALSE; 1042 return (AE_OK); 1043 1044 case CMD_HANDLERS: 1045 1046 AcpiDbDisplayHandlers (); 1047 break; 1048 1049 case CMD_HELP: 1050 case CMD_HELP2: 1051 1052 AcpiDbDisplayHelp (AcpiGbl_DbArgs[1]); 1053 break; 1054 1055 case CMD_HISTORY: 1056 1057 AcpiDbDisplayHistory (); 1058 break; 1059 1060 case CMD_HISTORY_EXE: /* ! command */ 1061 1062 CommandLine = AcpiDbGetFromHistory (AcpiGbl_DbArgs[1]); 1063 if (!CommandLine) 1064 { 1065 return (AE_CTRL_TRUE); 1066 } 1067 1068 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op); 1069 return (Status); 1070 1071 case CMD_HISTORY_LAST: /* !! command */ 1072 1073 CommandLine = AcpiDbGetFromHistory (NULL); 1074 if (!CommandLine) 1075 { 1076 return (AE_CTRL_TRUE); 1077 } 1078 1079 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op); 1080 return (Status); 1081 1082 case CMD_INFORMATION: 1083 1084 AcpiDbDisplayMethodInfo (Op); 1085 break; 1086 1087 case CMD_INTEGRITY: 1088 1089 AcpiDbCheckIntegrity (); 1090 break; 1091 1092 case CMD_INTO: 1093 1094 if (Op) 1095 { 1096 AcpiGbl_CmSingleStep = TRUE; 1097 return (AE_OK); 1098 } 1099 break; 1100 1101 case CMD_LEVEL: 1102 1103 if (ParamCount == 0) 1104 { 1105 AcpiOsPrintf ( 1106 "Current debug level for file output is: %8.8X\n", 1107 AcpiGbl_DbDebugLevel); 1108 AcpiOsPrintf ( 1109 "Current debug level for console output is: %8.8X\n", 1110 AcpiGbl_DbConsoleDebugLevel); 1111 } 1112 else if (ParamCount == 2) 1113 { 1114 Temp = AcpiGbl_DbConsoleDebugLevel; 1115 AcpiGbl_DbConsoleDebugLevel = 1116 strtoul (AcpiGbl_DbArgs[1], NULL, 16); 1117 AcpiOsPrintf ( 1118 "Debug Level for console output was %8.8X, now %8.8X\n", 1119 Temp, AcpiGbl_DbConsoleDebugLevel); 1120 } 1121 else 1122 { 1123 Temp = AcpiGbl_DbDebugLevel; 1124 AcpiGbl_DbDebugLevel = strtoul (AcpiGbl_DbArgs[1], NULL, 16); 1125 AcpiOsPrintf ( 1126 "Debug Level for file output was %8.8X, now %8.8X\n", 1127 Temp, AcpiGbl_DbDebugLevel); 1128 } 1129 break; 1130 1131 case CMD_LIST: 1132 1133 #ifdef ACPI_DISASSEMBLER 1134 AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op); 1135 #else 1136 AcpiOsPrintf ("The AML Disassembler is not configured/present\n"); 1137 #endif 1138 break; 1139 1140 case CMD_LOCKS: 1141 1142 AcpiDbDisplayLocks (); 1143 break; 1144 1145 case CMD_LOCALS: 1146 1147 AcpiDbDisplayLocals (); 1148 break; 1149 1150 case CMD_METHODS: 1151 1152 Status = AcpiDbDisplayObjects ("METHOD", AcpiGbl_DbArgs[1]); 1153 break; 1154 1155 case CMD_NAMESPACE: 1156 1157 AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1158 break; 1159 1160 case CMD_NOTIFY: 1161 1162 Temp = strtoul (AcpiGbl_DbArgs[2], NULL, 0); 1163 AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp); 1164 break; 1165 1166 case CMD_OBJECTS: 1167 1168 AcpiUtStrupr (AcpiGbl_DbArgs[1]); 1169 Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1170 break; 1171 1172 case CMD_OSI: 1173 1174 AcpiDbDisplayInterfaces (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1175 break; 1176 1177 case CMD_OWNER: 1178 1179 AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1180 break; 1181 1182 case CMD_PATHS: 1183 1184 AcpiDbDumpNamespacePaths (); 1185 break; 1186 1187 case CMD_PREFIX: 1188 1189 AcpiDbSetScope (AcpiGbl_DbArgs[1]); 1190 break; 1191 1192 case CMD_REFERENCES: 1193 1194 AcpiDbFindReferences (AcpiGbl_DbArgs[1]); 1195 break; 1196 1197 case CMD_RESOURCES: 1198 1199 AcpiDbDisplayResources (AcpiGbl_DbArgs[1]); 1200 break; 1201 1202 case CMD_RESULTS: 1203 1204 AcpiDbDisplayResults (); 1205 break; 1206 1207 case CMD_SET: 1208 1209 AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], 1210 AcpiGbl_DbArgs[3]); 1211 break; 1212 1213 case CMD_STATS: 1214 1215 Status = AcpiDbDisplayStatistics (AcpiGbl_DbArgs[1]); 1216 break; 1217 1218 case CMD_STOP: 1219 1220 return (AE_NOT_IMPLEMENTED); 1221 1222 case CMD_TABLES: 1223 1224 AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]); 1225 break; 1226 1227 case CMD_TEMPLATE: 1228 1229 AcpiDbDisplayTemplate (AcpiGbl_DbArgs[1]); 1230 break; 1231 1232 case CMD_TRACE: 1233 1234 AcpiDbTrace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], AcpiGbl_DbArgs[3]); 1235 break; 1236 1237 case CMD_TREE: 1238 1239 AcpiDbDisplayCallingTree (); 1240 break; 1241 1242 case CMD_TYPE: 1243 1244 AcpiDbDisplayObjectType (AcpiGbl_DbArgs[1]); 1245 break; 1246 1247 #ifdef ACPI_APPLICATION 1248 1249 /* Hardware simulation commands. */ 1250 1251 case CMD_ENABLEACPI: 1252 #if (!ACPI_REDUCED_HARDWARE) 1253 1254 Status = AcpiEnable(); 1255 if (ACPI_FAILURE(Status)) 1256 { 1257 AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status); 1258 return (Status); 1259 } 1260 #endif /* !ACPI_REDUCED_HARDWARE */ 1261 break; 1262 1263 case CMD_EVENT: 1264 1265 AcpiOsPrintf ("Event command not implemented\n"); 1266 break; 1267 1268 case CMD_GPE: 1269 1270 AcpiDbGenerateGpe (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1271 break; 1272 1273 case CMD_GPES: 1274 1275 AcpiDbDisplayGpes (); 1276 break; 1277 1278 case CMD_SCI: 1279 1280 AcpiDbGenerateSci (); 1281 break; 1282 1283 case CMD_SLEEP: 1284 1285 Status = AcpiDbSleep (AcpiGbl_DbArgs[1]); 1286 break; 1287 1288 /* File I/O commands. */ 1289 1290 case CMD_CLOSE: 1291 1292 AcpiDbCloseDebugFile (); 1293 break; 1294 1295 case CMD_LOAD: 1296 { 1297 ACPI_NEW_TABLE_DESC *ListHead = NULL; 1298 1299 Status = AcGetAllTablesFromFile (AcpiGbl_DbArgs[1], 1300 ACPI_GET_ALL_TABLES, &ListHead); 1301 if (ACPI_SUCCESS (Status)) 1302 { 1303 AcpiDbLoadTables (ListHead); 1304 } 1305 } 1306 break; 1307 1308 case CMD_OPEN: 1309 1310 AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]); 1311 break; 1312 1313 /* User space commands. */ 1314 1315 case CMD_TERMINATE: 1316 1317 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT); 1318 AcpiUtSubsystemShutdown (); 1319 1320 /* 1321 * TBD: [Restructure] Need some way to re-initialize without 1322 * re-creating the semaphores! 1323 */ 1324 1325 AcpiGbl_DbTerminateLoop = TRUE; 1326 /* AcpiInitialize (NULL); */ 1327 break; 1328 1329 case CMD_BACKGROUND: 1330 1331 AcpiDbCreateExecutionThread (AcpiGbl_DbArgs[1], &AcpiGbl_DbArgs[2], 1332 &AcpiGbl_DbArgTypes[2]); 1333 break; 1334 1335 case CMD_THREADS: 1336 1337 AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], 1338 AcpiGbl_DbArgs[3]); 1339 break; 1340 1341 /* Debug test commands. */ 1342 1343 case CMD_PREDEFINED: 1344 1345 AcpiDbCheckPredefinedNames (); 1346 break; 1347 1348 case CMD_TEST: 1349 1350 AcpiDbExecuteTest (AcpiGbl_DbArgs[1]); 1351 break; 1352 1353 case CMD_UNLOAD: 1354 1355 AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs[1]); 1356 break; 1357 #endif 1358 1359 case CMD_EXIT: 1360 case CMD_QUIT: 1361 1362 if (Op) 1363 { 1364 AcpiOsPrintf ("Method execution terminated\n"); 1365 return (AE_CTRL_TERMINATE); 1366 } 1367 1368 if (!AcpiGbl_DbOutputToFile) 1369 { 1370 AcpiDbgLevel = ACPI_DEBUG_DEFAULT; 1371 } 1372 1373 #ifdef ACPI_APPLICATION 1374 AcpiDbCloseDebugFile (); 1375 #endif 1376 AcpiGbl_DbTerminateLoop = TRUE; 1377 return (AE_CTRL_TERMINATE); 1378 1379 case CMD_NOT_FOUND: 1380 default: 1381 1382 AcpiOsPrintf ("%s: unknown command\n", AcpiGbl_DbArgs[0]); 1383 return (AE_CTRL_TRUE); 1384 } 1385 1386 if (ACPI_SUCCESS (Status)) 1387 { 1388 Status = AE_CTRL_TRUE; 1389 } 1390 1391 return (Status); 1392 } 1393 1394 1395 /******************************************************************************* 1396 * 1397 * FUNCTION: AcpiDbExecuteThread 1398 * 1399 * PARAMETERS: Context - Not used 1400 * 1401 * RETURN: None 1402 * 1403 * DESCRIPTION: Debugger execute thread. Waits for a command line, then 1404 * simply dispatches it. 1405 * 1406 ******************************************************************************/ 1407 1408 void ACPI_SYSTEM_XFACE 1409 AcpiDbExecuteThread ( 1410 void *Context) 1411 { 1412 1413 (void) AcpiDbUserCommands (); 1414 AcpiGbl_DbThreadsTerminated = TRUE; 1415 } 1416 1417 1418 /******************************************************************************* 1419 * 1420 * FUNCTION: AcpiDbUserCommands 1421 * 1422 * PARAMETERS: None 1423 * 1424 * RETURN: None 1425 * 1426 * DESCRIPTION: Command line execution for the AML debugger. Commands are 1427 * matched and dispatched here. 1428 * 1429 ******************************************************************************/ 1430 1431 ACPI_STATUS 1432 AcpiDbUserCommands ( 1433 void) 1434 { 1435 ACPI_STATUS Status = AE_OK; 1436 1437 1438 AcpiOsPrintf ("\n"); 1439 1440 /* TBD: [Restructure] Need a separate command line buffer for step mode */ 1441 1442 while (!AcpiGbl_DbTerminateLoop) 1443 { 1444 /* Wait the readiness of the command */ 1445 1446 Status = AcpiOsWaitCommandReady (); 1447 if (ACPI_FAILURE (Status)) 1448 { 1449 break; 1450 } 1451 1452 /* Just call to the command line interpreter */ 1453 1454 AcpiGbl_MethodExecuting = FALSE; 1455 AcpiGbl_StepToNextCall = FALSE; 1456 1457 (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL); 1458 1459 /* Notify the completion of the command */ 1460 1461 Status = AcpiOsNotifyCommandComplete (); 1462 if (ACPI_FAILURE (Status)) 1463 { 1464 break; 1465 } 1466 } 1467 1468 if (ACPI_FAILURE (Status) && Status != AE_CTRL_TERMINATE) 1469 { 1470 ACPI_EXCEPTION ((AE_INFO, Status, "While parsing command line")); 1471 } 1472 return (Status); 1473 } 1474 1475 #endif /* ACPI_DEBUGGER */ 1476