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 - 2023, 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 CMD_INTERRUPT, 268 #endif 269 }; 270 271 #define CMD_FIRST_VALID 2 272 273 274 /* Second parameter is the required argument count */ 275 276 static const ACPI_DB_COMMAND_INFO AcpiGbl_DbCommands[] = 277 { 278 {"<NOT FOUND>", 0}, 279 {"<NULL>", 0}, 280 {"ALL", 1}, 281 {"ALLOCATIONS", 0}, 282 {"ARGS", 0}, 283 {"ARGUMENTS", 0}, 284 {"BREAKPOINT", 1}, 285 {"BUSINFO", 0}, 286 {"CALL", 0}, 287 {"DEBUG", 1}, 288 {"DISASSEMBLE", 1}, 289 {"DISASM", 1}, 290 {"DUMP", 1}, 291 {"EVALUATE", 1}, 292 {"EXECUTE", 1}, 293 {"EXIT", 0}, 294 {"FIELDS", 1}, 295 {"FIND", 1}, 296 {"GO", 0}, 297 {"HANDLERS", 0}, 298 {"HELP", 0}, 299 {"?", 0}, 300 {"HISTORY", 0}, 301 {"!", 1}, 302 {"!!", 0}, 303 {"INFORMATION", 0}, 304 {"INTEGRITY", 0}, 305 {"INTO", 0}, 306 {"LEVEL", 0}, 307 {"LIST", 0}, 308 {"LOCALS", 0}, 309 {"LOCKS", 0}, 310 {"METHODS", 0}, 311 {"NAMESPACE", 0}, 312 {"NOTIFY", 2}, 313 {"OBJECTS", 0}, 314 {"OSI", 0}, 315 {"OWNER", 1}, 316 {"PATHS", 0}, 317 {"PREDEFINED", 0}, 318 {"PREFIX", 0}, 319 {"QUIT", 0}, 320 {"REFERENCES", 1}, 321 {"RESOURCES", 0}, 322 {"RESULTS", 0}, 323 {"SET", 3}, 324 {"STATS", 1}, 325 {"STOP", 0}, 326 {"TABLES", 0}, 327 {"TEMPLATE", 1}, 328 {"TRACE", 1}, 329 {"TREE", 0}, 330 {"TYPE", 1}, 331 #ifdef ACPI_APPLICATION 332 {"ENABLEACPI", 0}, 333 {"EVENT", 1}, 334 {"GPE", 1}, 335 {"GPES", 0}, 336 {"SCI", 0}, 337 {"SLEEP", 0}, 338 339 {"CLOSE", 0}, 340 {"LOAD", 1}, 341 {"OPEN", 1}, 342 {"UNLOAD", 1}, 343 344 {"TERMINATE", 0}, 345 {"BACKGROUND", 1}, 346 {"THREADS", 3}, 347 348 {"TEST", 1}, 349 {"INTERRUPT", 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 {1, " Interrupt <GSIV>", "Simulate an interrupt\n"}, 467 #endif 468 {0, NULL, NULL} 469 }; 470 471 472 /******************************************************************************* 473 * 474 * FUNCTION: AcpiDbMatchCommandHelp 475 * 476 * PARAMETERS: Command - Command string to match 477 * Help - Help table entry to attempt match 478 * 479 * RETURN: TRUE if command matched, FALSE otherwise 480 * 481 * DESCRIPTION: Attempt to match a command in the help table in order to 482 * print help information for a single command. 483 * 484 ******************************************************************************/ 485 486 static BOOLEAN 487 AcpiDbMatchCommandHelp ( 488 const char *Command, 489 const ACPI_DB_COMMAND_HELP *Help) 490 { 491 char *Invocation = Help->Invocation; 492 UINT32 LineCount; 493 494 495 /* Valid commands in the help table begin with a couple of spaces */ 496 497 if (*Invocation != ' ') 498 { 499 return (FALSE); 500 } 501 502 while (*Invocation == ' ') 503 { 504 Invocation++; 505 } 506 507 /* Match command name (full command or substring) */ 508 509 while ((*Command) && (*Invocation) && (*Invocation != ' ')) 510 { 511 if (tolower ((int) *Command) != tolower ((int) *Invocation)) 512 { 513 return (FALSE); 514 } 515 516 Invocation++; 517 Command++; 518 } 519 520 /* Print the appropriate number of help lines */ 521 522 LineCount = Help->LineCount; 523 while (LineCount) 524 { 525 AcpiOsPrintf ("%-38s : %s", Help->Invocation, Help->Description); 526 Help++; 527 LineCount--; 528 } 529 530 return (TRUE); 531 } 532 533 534 /******************************************************************************* 535 * 536 * FUNCTION: AcpiDbDisplayCommandInfo 537 * 538 * PARAMETERS: Command - Command string to match 539 * DisplayAll - Display all matching commands, or just 540 * the first one (substring match) 541 * 542 * RETURN: None 543 * 544 * DESCRIPTION: Display help information for a Debugger command. 545 * 546 ******************************************************************************/ 547 548 static void 549 AcpiDbDisplayCommandInfo ( 550 const char *Command, 551 BOOLEAN DisplayAll) 552 { 553 const ACPI_DB_COMMAND_HELP *Next; 554 BOOLEAN Matched; 555 556 557 Next = AcpiGbl_DbCommandHelp; 558 while (Next->Invocation) 559 { 560 Matched = AcpiDbMatchCommandHelp (Command, Next); 561 if (!DisplayAll && Matched) 562 { 563 return; 564 } 565 566 Next++; 567 } 568 } 569 570 571 /******************************************************************************* 572 * 573 * FUNCTION: AcpiDbDisplayHelp 574 * 575 * PARAMETERS: Command - Optional command string to display help. 576 * if not specified, all debugger command 577 * help strings are displayed 578 * 579 * RETURN: None 580 * 581 * DESCRIPTION: Display help for a single debugger command, or all of them. 582 * 583 ******************************************************************************/ 584 585 static void 586 AcpiDbDisplayHelp ( 587 char *Command) 588 { 589 const ACPI_DB_COMMAND_HELP *Next = AcpiGbl_DbCommandHelp; 590 591 592 if (!Command) 593 { 594 /* No argument to help, display help for all commands */ 595 596 AcpiOsPrintf ("\nSummary of AML Debugger Commands\n\n"); 597 598 while (Next->Invocation) 599 { 600 AcpiOsPrintf ("%-38s%s", Next->Invocation, Next->Description); 601 Next++; 602 } 603 AcpiOsPrintf ("\n"); 604 605 } 606 else 607 { 608 /* Display help for all commands that match the substring */ 609 610 AcpiDbDisplayCommandInfo (Command, TRUE); 611 } 612 } 613 614 615 /******************************************************************************* 616 * 617 * FUNCTION: AcpiDbGetNextToken 618 * 619 * PARAMETERS: String - Command buffer 620 * Next - Return value, end of next token 621 * 622 * RETURN: Pointer to the start of the next token. 623 * 624 * DESCRIPTION: Command line parsing. Get the next token on the command line 625 * 626 ******************************************************************************/ 627 628 char * 629 AcpiDbGetNextToken ( 630 char *String, 631 char **Next, 632 ACPI_OBJECT_TYPE *ReturnType) 633 { 634 char *Start; 635 UINT32 Depth; 636 ACPI_OBJECT_TYPE Type = ACPI_TYPE_INTEGER; 637 638 639 /* At end of buffer? */ 640 641 if (!String || !(*String)) 642 { 643 return (NULL); 644 } 645 646 /* Remove any spaces at the beginning, ignore blank lines */ 647 648 while (*String && isspace ((int) *String)) 649 { 650 String++; 651 } 652 653 if (!(*String)) 654 { 655 return (NULL); 656 } 657 658 switch (*String) 659 { 660 case '"': 661 662 /* This is a quoted string, scan until closing quote */ 663 664 String++; 665 Start = String; 666 Type = ACPI_TYPE_STRING; 667 668 /* Find end of string */ 669 670 while (*String && (*String != '"')) 671 { 672 String++; 673 } 674 break; 675 676 case '(': 677 678 /* This is the start of a buffer, scan until closing paren */ 679 680 String++; 681 Start = String; 682 Type = ACPI_TYPE_BUFFER; 683 684 /* Find end of buffer */ 685 686 while (*String && (*String != ')')) 687 { 688 String++; 689 } 690 break; 691 692 case '{': 693 694 /* This is the start of a field unit, scan until closing brace */ 695 696 String++; 697 Start = String; 698 Type = ACPI_TYPE_FIELD_UNIT; 699 700 /* Find end of buffer */ 701 702 while (*String && (*String != '}')) 703 { 704 String++; 705 } 706 break; 707 708 case '[': 709 710 /* This is the start of a package, scan until closing bracket */ 711 712 String++; 713 Depth = 1; 714 Start = String; 715 Type = ACPI_TYPE_PACKAGE; 716 717 /* Find end of package (closing bracket) */ 718 719 while (*String) 720 { 721 /* Handle String package elements */ 722 723 if (*String == '"') 724 { 725 /* Find end of string */ 726 727 String++; 728 while (*String && (*String != '"')) 729 { 730 String++; 731 } 732 if (!(*String)) 733 { 734 break; 735 } 736 } 737 else if (*String == '[') 738 { 739 Depth++; /* A nested package declaration */ 740 } 741 else if (*String == ']') 742 { 743 Depth--; 744 if (Depth == 0) /* Found final package closing bracket */ 745 { 746 break; 747 } 748 } 749 750 String++; 751 } 752 break; 753 754 default: 755 756 Start = String; 757 758 /* Find end of token */ 759 760 while (*String && !isspace ((int) *String)) 761 { 762 String++; 763 } 764 break; 765 } 766 767 if (!(*String)) 768 { 769 *Next = NULL; 770 } 771 else 772 { 773 *String = 0; 774 *Next = String + 1; 775 } 776 777 *ReturnType = Type; 778 return (Start); 779 } 780 781 782 /******************************************************************************* 783 * 784 * FUNCTION: AcpiDbGetLine 785 * 786 * PARAMETERS: InputBuffer - Command line buffer 787 * 788 * RETURN: Count of arguments to the command 789 * 790 * DESCRIPTION: Get the next command line from the user. Gets entire line 791 * up to the next newline 792 * 793 ******************************************************************************/ 794 795 static UINT32 796 AcpiDbGetLine ( 797 char *InputBuffer) 798 { 799 UINT32 i; 800 UINT32 Count; 801 char *Next; 802 char *This; 803 804 805 if (AcpiUtSafeStrcpy (AcpiGbl_DbParsedBuf, sizeof (AcpiGbl_DbParsedBuf), 806 InputBuffer)) 807 { 808 AcpiOsPrintf ( 809 "Buffer overflow while parsing input line (max %u characters)\n", 810 (UINT32) sizeof (AcpiGbl_DbParsedBuf)); 811 return (0); 812 } 813 814 This = AcpiGbl_DbParsedBuf; 815 for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++) 816 { 817 AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next, 818 &AcpiGbl_DbArgTypes[i]); 819 if (!AcpiGbl_DbArgs[i]) 820 { 821 break; 822 } 823 824 This = Next; 825 } 826 827 /* Uppercase the actual command */ 828 829 AcpiUtStrupr (AcpiGbl_DbArgs[0]); 830 831 Count = i; 832 if (Count) 833 { 834 Count--; /* Number of args only */ 835 } 836 837 return (Count); 838 } 839 840 841 /******************************************************************************* 842 * 843 * FUNCTION: AcpiDbMatchCommand 844 * 845 * PARAMETERS: UserCommand - User command line 846 * 847 * RETURN: Index into command array, -1 if not found 848 * 849 * DESCRIPTION: Search command array for a command match 850 * 851 ******************************************************************************/ 852 853 static UINT32 854 AcpiDbMatchCommand ( 855 char *UserCommand) 856 { 857 UINT32 i; 858 859 860 if (!UserCommand || UserCommand[0] == 0) 861 { 862 return (CMD_NULL); 863 } 864 865 for (i = CMD_FIRST_VALID; AcpiGbl_DbCommands[i].Name; i++) 866 { 867 if (strstr ( 868 ACPI_CAST_PTR (char, AcpiGbl_DbCommands[i].Name), UserCommand) == 869 AcpiGbl_DbCommands[i].Name) 870 { 871 return (i); 872 } 873 } 874 875 /* Command not recognized */ 876 877 return (CMD_NOT_FOUND); 878 } 879 880 881 /******************************************************************************* 882 * 883 * FUNCTION: AcpiDbCommandDispatch 884 * 885 * PARAMETERS: InputBuffer - Command line buffer 886 * WalkState - Current walk 887 * Op - Current (executing) parse op 888 * 889 * RETURN: Status 890 * 891 * DESCRIPTION: Command dispatcher. 892 * 893 ******************************************************************************/ 894 895 ACPI_STATUS 896 AcpiDbCommandDispatch ( 897 char *InputBuffer, 898 ACPI_WALK_STATE *WalkState, 899 ACPI_PARSE_OBJECT *Op) 900 { 901 UINT32 Temp; 902 UINT64 Temp64; 903 UINT32 CommandIndex; 904 UINT32 ParamCount; 905 char *CommandLine; 906 ACPI_STATUS Status = AE_CTRL_TRUE; 907 908 909 /* If AcpiTerminate has been called, terminate this thread */ 910 911 if (AcpiGbl_DbTerminateLoop) 912 { 913 return (AE_CTRL_TERMINATE); 914 } 915 916 /* Find command and add to the history buffer */ 917 918 ParamCount = AcpiDbGetLine (InputBuffer); 919 CommandIndex = AcpiDbMatchCommand (AcpiGbl_DbArgs[0]); 920 921 /* 922 * We don't want to add the !! command to the history buffer. It 923 * would cause an infinite loop because it would always be the 924 * previous command. 925 */ 926 if (CommandIndex != CMD_HISTORY_LAST) 927 { 928 AcpiDbAddToHistory (InputBuffer); 929 } 930 931 /* Verify that we have the minimum number of params */ 932 933 if (ParamCount < AcpiGbl_DbCommands[CommandIndex].MinArgs) 934 { 935 AcpiOsPrintf ("%u parameters entered, [%s] requires %u parameters\n", 936 ParamCount, AcpiGbl_DbCommands[CommandIndex].Name, 937 AcpiGbl_DbCommands[CommandIndex].MinArgs); 938 939 AcpiDbDisplayCommandInfo ( 940 AcpiGbl_DbCommands[CommandIndex].Name, FALSE); 941 return (AE_CTRL_TRUE); 942 } 943 944 /* Decode and dispatch the command */ 945 946 switch (CommandIndex) 947 { 948 case CMD_NULL: 949 950 if (Op) 951 { 952 return (AE_OK); 953 } 954 break; 955 956 case CMD_ALL: 957 958 AcpiOsPrintf ("Executing all objects with NameSeg: %s\n", AcpiGbl_DbArgs[1]); 959 AcpiDbExecute (AcpiGbl_DbArgs[1], 960 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_NO_SINGLE_STEP | EX_ALL); 961 break; 962 963 case CMD_ALLOCATIONS: 964 965 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 966 AcpiUtDumpAllocations ((UINT32) -1, NULL); 967 #endif 968 break; 969 970 case CMD_ARGS: 971 case CMD_ARGUMENTS: 972 973 AcpiDbDisplayArguments (); 974 break; 975 976 case CMD_BREAKPOINT: 977 978 AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs[1], WalkState, Op); 979 break; 980 981 case CMD_BUSINFO: 982 983 AcpiDbGetBusInfo (); 984 break; 985 986 case CMD_CALL: 987 988 AcpiDbSetMethodCallBreakpoint (Op); 989 Status = AE_OK; 990 break; 991 992 case CMD_DEBUG: 993 994 AcpiDbExecute (AcpiGbl_DbArgs[1], 995 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_SINGLE_STEP); 996 break; 997 998 case CMD_DISASSEMBLE: 999 case CMD_DISASM: 1000 1001 #ifdef ACPI_DISASSEMBLER 1002 (void) AcpiDbDisassembleMethod (AcpiGbl_DbArgs[1]); 1003 #else 1004 AcpiOsPrintf ("The AML Disassembler is not configured/present\n"); 1005 #endif 1006 break; 1007 1008 case CMD_DUMP: 1009 1010 AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1011 break; 1012 1013 case CMD_EVALUATE: 1014 case CMD_EXECUTE: 1015 1016 AcpiDbExecute (AcpiGbl_DbArgs[1], 1017 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_NO_SINGLE_STEP); 1018 break; 1019 1020 case CMD_FIND: 1021 1022 Status = AcpiDbFindNameInNamespace (AcpiGbl_DbArgs[1]); 1023 break; 1024 1025 case CMD_FIELDS: 1026 1027 Status = AcpiUtStrtoul64 (AcpiGbl_DbArgs[1], &Temp64); 1028 1029 if (ACPI_FAILURE (Status) || Temp64 >= ACPI_NUM_PREDEFINED_REGIONS) 1030 { 1031 AcpiOsPrintf ( 1032 "Invalid address space ID: must be between 0 and %u inclusive\n", 1033 ACPI_NUM_PREDEFINED_REGIONS - 1); 1034 return (AE_OK); 1035 } 1036 1037 Status = AcpiDbDisplayFields ((UINT32) Temp64); 1038 break; 1039 1040 case CMD_GO: 1041 1042 AcpiGbl_CmSingleStep = FALSE; 1043 return (AE_OK); 1044 1045 case CMD_HANDLERS: 1046 1047 AcpiDbDisplayHandlers (); 1048 break; 1049 1050 case CMD_HELP: 1051 case CMD_HELP2: 1052 1053 AcpiDbDisplayHelp (AcpiGbl_DbArgs[1]); 1054 break; 1055 1056 case CMD_HISTORY: 1057 1058 AcpiDbDisplayHistory (); 1059 break; 1060 1061 case CMD_HISTORY_EXE: /* ! command */ 1062 1063 CommandLine = AcpiDbGetFromHistory (AcpiGbl_DbArgs[1]); 1064 if (!CommandLine) 1065 { 1066 return (AE_CTRL_TRUE); 1067 } 1068 1069 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op); 1070 return (Status); 1071 1072 case CMD_HISTORY_LAST: /* !! command */ 1073 1074 CommandLine = AcpiDbGetFromHistory (NULL); 1075 if (!CommandLine) 1076 { 1077 return (AE_CTRL_TRUE); 1078 } 1079 1080 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op); 1081 return (Status); 1082 1083 case CMD_INFORMATION: 1084 1085 AcpiDbDisplayMethodInfo (Op); 1086 break; 1087 1088 case CMD_INTEGRITY: 1089 1090 AcpiDbCheckIntegrity (); 1091 break; 1092 1093 case CMD_INTO: 1094 1095 if (Op) 1096 { 1097 AcpiGbl_CmSingleStep = TRUE; 1098 return (AE_OK); 1099 } 1100 break; 1101 1102 case CMD_LEVEL: 1103 1104 if (ParamCount == 0) 1105 { 1106 AcpiOsPrintf ( 1107 "Current debug level for file output is: %8.8X\n", 1108 AcpiGbl_DbDebugLevel); 1109 AcpiOsPrintf ( 1110 "Current debug level for console output is: %8.8X\n", 1111 AcpiGbl_DbConsoleDebugLevel); 1112 } 1113 else if (ParamCount == 2) 1114 { 1115 Temp = AcpiGbl_DbConsoleDebugLevel; 1116 AcpiGbl_DbConsoleDebugLevel = 1117 strtoul (AcpiGbl_DbArgs[1], NULL, 16); 1118 AcpiOsPrintf ( 1119 "Debug Level for console output was %8.8X, now %8.8X\n", 1120 Temp, AcpiGbl_DbConsoleDebugLevel); 1121 } 1122 else 1123 { 1124 Temp = AcpiGbl_DbDebugLevel; 1125 AcpiGbl_DbDebugLevel = strtoul (AcpiGbl_DbArgs[1], NULL, 16); 1126 AcpiOsPrintf ( 1127 "Debug Level for file output was %8.8X, now %8.8X\n", 1128 Temp, AcpiGbl_DbDebugLevel); 1129 } 1130 break; 1131 1132 case CMD_LIST: 1133 1134 #ifdef ACPI_DISASSEMBLER 1135 AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op); 1136 #else 1137 AcpiOsPrintf ("The AML Disassembler is not configured/present\n"); 1138 #endif 1139 break; 1140 1141 case CMD_LOCKS: 1142 1143 AcpiDbDisplayLocks (); 1144 break; 1145 1146 case CMD_LOCALS: 1147 1148 AcpiDbDisplayLocals (); 1149 break; 1150 1151 case CMD_METHODS: 1152 1153 Status = AcpiDbDisplayObjects ("METHOD", AcpiGbl_DbArgs[1]); 1154 break; 1155 1156 case CMD_NAMESPACE: 1157 1158 AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1159 break; 1160 1161 case CMD_NOTIFY: 1162 1163 Temp = strtoul (AcpiGbl_DbArgs[2], NULL, 0); 1164 AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp); 1165 break; 1166 1167 case CMD_OBJECTS: 1168 1169 AcpiUtStrupr (AcpiGbl_DbArgs[1]); 1170 Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1171 break; 1172 1173 case CMD_OSI: 1174 1175 AcpiDbDisplayInterfaces (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1176 break; 1177 1178 case CMD_OWNER: 1179 1180 AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1181 break; 1182 1183 case CMD_PATHS: 1184 1185 AcpiDbDumpNamespacePaths (); 1186 break; 1187 1188 case CMD_PREFIX: 1189 1190 AcpiDbSetScope (AcpiGbl_DbArgs[1]); 1191 break; 1192 1193 case CMD_REFERENCES: 1194 1195 AcpiDbFindReferences (AcpiGbl_DbArgs[1]); 1196 break; 1197 1198 case CMD_RESOURCES: 1199 1200 AcpiDbDisplayResources (AcpiGbl_DbArgs[1]); 1201 break; 1202 1203 case CMD_RESULTS: 1204 1205 AcpiDbDisplayResults (); 1206 break; 1207 1208 case CMD_SET: 1209 1210 AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], 1211 AcpiGbl_DbArgs[3]); 1212 break; 1213 1214 case CMD_STATS: 1215 1216 Status = AcpiDbDisplayStatistics (AcpiGbl_DbArgs[1]); 1217 break; 1218 1219 case CMD_STOP: 1220 1221 return (AE_NOT_IMPLEMENTED); 1222 1223 case CMD_TABLES: 1224 1225 AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]); 1226 break; 1227 1228 case CMD_TEMPLATE: 1229 1230 AcpiDbDisplayTemplate (AcpiGbl_DbArgs[1]); 1231 break; 1232 1233 case CMD_TRACE: 1234 1235 AcpiDbTrace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], AcpiGbl_DbArgs[3]); 1236 break; 1237 1238 case CMD_TREE: 1239 1240 AcpiDbDisplayCallingTree (); 1241 break; 1242 1243 case CMD_TYPE: 1244 1245 AcpiDbDisplayObjectType (AcpiGbl_DbArgs[1]); 1246 break; 1247 1248 #ifdef ACPI_APPLICATION 1249 1250 /* Hardware simulation commands. */ 1251 1252 case CMD_ENABLEACPI: 1253 #if (!ACPI_REDUCED_HARDWARE) 1254 1255 Status = AcpiEnable(); 1256 if (ACPI_FAILURE(Status)) 1257 { 1258 AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status); 1259 return (Status); 1260 } 1261 #endif /* !ACPI_REDUCED_HARDWARE */ 1262 break; 1263 1264 case CMD_EVENT: 1265 1266 AcpiOsPrintf ("Event command not implemented\n"); 1267 break; 1268 1269 case CMD_INTERRUPT: 1270 1271 AcpiDbGenerateInterrupt (AcpiGbl_DbArgs[1]); 1272 break; 1273 1274 case CMD_GPE: 1275 1276 AcpiDbGenerateGpe (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]); 1277 break; 1278 1279 case CMD_GPES: 1280 1281 AcpiDbDisplayGpes (); 1282 break; 1283 1284 case CMD_SCI: 1285 1286 AcpiDbGenerateSci (); 1287 break; 1288 1289 case CMD_SLEEP: 1290 1291 Status = AcpiDbSleep (AcpiGbl_DbArgs[1]); 1292 break; 1293 1294 /* File I/O commands. */ 1295 1296 case CMD_CLOSE: 1297 1298 AcpiDbCloseDebugFile (); 1299 break; 1300 1301 case CMD_LOAD: 1302 { 1303 ACPI_NEW_TABLE_DESC *ListHead = NULL; 1304 1305 Status = AcGetAllTablesFromFile (AcpiGbl_DbArgs[1], 1306 ACPI_GET_ALL_TABLES, &ListHead); 1307 if (ACPI_SUCCESS (Status)) 1308 { 1309 AcpiDbLoadTables (ListHead); 1310 } 1311 } 1312 break; 1313 1314 case CMD_OPEN: 1315 1316 AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]); 1317 break; 1318 1319 /* User space commands. */ 1320 1321 case CMD_TERMINATE: 1322 1323 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT); 1324 AcpiUtSubsystemShutdown (); 1325 1326 /* 1327 * TBD: [Restructure] Need some way to re-initialize without 1328 * re-creating the semaphores! 1329 */ 1330 1331 AcpiGbl_DbTerminateLoop = TRUE; 1332 /* AcpiInitialize (NULL); */ 1333 break; 1334 1335 case CMD_BACKGROUND: 1336 1337 AcpiDbCreateExecutionThread (AcpiGbl_DbArgs[1], &AcpiGbl_DbArgs[2], 1338 &AcpiGbl_DbArgTypes[2]); 1339 break; 1340 1341 case CMD_THREADS: 1342 1343 AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], 1344 AcpiGbl_DbArgs[3]); 1345 break; 1346 1347 /* Debug test commands. */ 1348 1349 case CMD_PREDEFINED: 1350 1351 AcpiDbCheckPredefinedNames (); 1352 break; 1353 1354 case CMD_TEST: 1355 1356 AcpiDbExecuteTest (AcpiGbl_DbArgs[1]); 1357 break; 1358 1359 case CMD_UNLOAD: 1360 1361 AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs[1]); 1362 break; 1363 #endif 1364 1365 case CMD_EXIT: 1366 case CMD_QUIT: 1367 1368 if (Op) 1369 { 1370 AcpiOsPrintf ("Method execution terminated\n"); 1371 return (AE_CTRL_TERMINATE); 1372 } 1373 1374 if (!AcpiGbl_DbOutputToFile) 1375 { 1376 AcpiDbgLevel = ACPI_DEBUG_DEFAULT; 1377 } 1378 1379 #ifdef ACPI_APPLICATION 1380 AcpiDbCloseDebugFile (); 1381 #endif 1382 AcpiGbl_DbTerminateLoop = TRUE; 1383 return (AE_CTRL_TERMINATE); 1384 1385 case CMD_NOT_FOUND: 1386 default: 1387 1388 AcpiOsPrintf ("%s: unknown command\n", AcpiGbl_DbArgs[0]); 1389 return (AE_CTRL_TRUE); 1390 } 1391 1392 if (ACPI_SUCCESS (Status)) 1393 { 1394 Status = AE_CTRL_TRUE; 1395 } 1396 1397 return (Status); 1398 } 1399 1400 1401 /******************************************************************************* 1402 * 1403 * FUNCTION: AcpiDbExecuteThread 1404 * 1405 * PARAMETERS: Context - Not used 1406 * 1407 * RETURN: None 1408 * 1409 * DESCRIPTION: Debugger execute thread. Waits for a command line, then 1410 * simply dispatches it. 1411 * 1412 ******************************************************************************/ 1413 1414 void ACPI_SYSTEM_XFACE 1415 AcpiDbExecuteThread ( 1416 void *Context) 1417 { 1418 1419 (void) AcpiDbUserCommands (); 1420 AcpiGbl_DbThreadsTerminated = TRUE; 1421 } 1422 1423 1424 /******************************************************************************* 1425 * 1426 * FUNCTION: AcpiDbUserCommands 1427 * 1428 * PARAMETERS: None 1429 * 1430 * RETURN: None 1431 * 1432 * DESCRIPTION: Command line execution for the AML debugger. Commands are 1433 * matched and dispatched here. 1434 * 1435 ******************************************************************************/ 1436 1437 ACPI_STATUS 1438 AcpiDbUserCommands ( 1439 void) 1440 { 1441 ACPI_STATUS Status = AE_OK; 1442 1443 1444 AcpiOsPrintf ("\n"); 1445 1446 /* TBD: [Restructure] Need a separate command line buffer for step mode */ 1447 1448 while (!AcpiGbl_DbTerminateLoop) 1449 { 1450 /* Wait the readiness of the command */ 1451 1452 Status = AcpiOsWaitCommandReady (); 1453 if (ACPI_FAILURE (Status)) 1454 { 1455 break; 1456 } 1457 1458 /* Just call to the command line interpreter */ 1459 1460 AcpiGbl_MethodExecuting = FALSE; 1461 AcpiGbl_StepToNextCall = FALSE; 1462 1463 (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL); 1464 1465 /* Notify the completion of the command */ 1466 1467 Status = AcpiOsNotifyCommandComplete (); 1468 if (ACPI_FAILURE (Status)) 1469 { 1470 break; 1471 } 1472 } 1473 1474 if (ACPI_FAILURE (Status) && Status != AE_CTRL_TERMINATE) 1475 { 1476 ACPI_EXCEPTION ((AE_INFO, Status, "While parsing command line")); 1477 } 1478 return (Status); 1479 } 1480