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