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 "acpi.h"
153 #include "accommon.h"
154 #include "acdebug.h"
155
156 #ifdef ACPI_APPLICATION
157 #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
AcpiDbMatchCommandHelp(const char * Command,const ACPI_DB_COMMAND_HELP * Help)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
AcpiDbDisplayCommandInfo(const char * Command,BOOLEAN DisplayAll)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
AcpiDbDisplayHelp(char * Command)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 *
AcpiDbGetNextToken(char * String,char ** Next,ACPI_OBJECT_TYPE * ReturnType)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
AcpiDbGetLine(char * InputBuffer)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
AcpiDbMatchCommand(char * UserCommand)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
AcpiDbCommandDispatch(char * InputBuffer,ACPI_WALK_STATE * WalkState,ACPI_PARSE_OBJECT * Op)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
AcpiDbExecuteThread(void * Context)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
AcpiDbUserCommands(void)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
