xref: /dflybsd-src/sys/contrib/dev/acpica/source/tools/acpiexec/aemain.c (revision e416ee21e58afb74cd692f15b6d81944f9d84004)
1 /******************************************************************************
2  *
3  * Module Name: aemain - Main routine for the AcpiExec utility
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2018, 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 "aecommon.h"
153 
154 #define _COMPONENT          ACPI_TOOLS
155         ACPI_MODULE_NAME    ("aemain")
156 
157 
158 /*
159  * Main routine for the ACPI user-space execution utility.
160  *
161  * Portability note: The utility depends upon the host for command-line
162  * wildcard support - it is not implemented locally. For example:
163  *
164  * Linux/Unix systems: Shell expands wildcards automatically.
165  *
166  * Windows: The setargv.obj module must be linked in to automatically
167  * expand wildcards.
168  */
169 
170 /* Local prototypes */
171 
172 static int
173 AeDoOptions (
174     int                     argc,
175     char                    **argv);
176 
177 
178 #define AE_BUFFER_SIZE              1024
179 #define ASL_MAX_FILES               256
180 
181 /* Execution modes */
182 
183 #define AE_MODE_COMMAND_LOOP        0   /* Normal command execution loop */
184 #define AE_MODE_BATCH_MULTIPLE      1   /* -b option to execute a command line */
185 #define AE_MODE_BATCH_SINGLE        2   /* -m option to execute a single control method */
186 
187 
188 /* Globals */
189 
190 BOOLEAN                     AcpiGbl_UseLocalFaultHandler = TRUE;
191 BOOLEAN                     AcpiGbl_VerboseHandlers = FALSE;
192 UINT8                       AcpiGbl_RegionFillValue = 0;
193 BOOLEAN                     AcpiGbl_IgnoreErrors = FALSE;
194 BOOLEAN                     AcpiGbl_AbortLoopOnTimeout = FALSE;
195 BOOLEAN                     AcpiGbl_DbOpt_NoRegionSupport = FALSE;
196 UINT8                       AcpiGbl_UseHwReducedFadt = FALSE;
197 BOOLEAN                     AcpiGbl_DoInterfaceTests = FALSE;
198 BOOLEAN                     AcpiGbl_LoadTestTables = FALSE;
199 BOOLEAN                     AcpiGbl_AeLoadOnly = FALSE;
200 static UINT8                AcpiGbl_ExecutionMode = AE_MODE_COMMAND_LOOP;
201 static char                 BatchBuffer[AE_BUFFER_SIZE];    /* Batch command buffer */
202 
203 #define ACPIEXEC_NAME               "AML Execution/Debug Utility"
204 #define AE_SUPPORTED_OPTIONS        "?b:d:e:f^ghlm^rt^v^:x:"
205 
206 
207 /* Stubs for the disassembler */
208 
209 void
210 MpSaveGpioInfo (
211     ACPI_PARSE_OBJECT       *Op,
212     AML_RESOURCE            *Resource,
213     UINT32                  PinCount,
214     UINT16                  *PinList,
215     char                    *DeviceName)
216 {
217 }
218 
219 void
220 MpSaveSerialInfo (
221     ACPI_PARSE_OBJECT       *Op,
222     AML_RESOURCE            *Resource,
223     char                    *DeviceName)
224 {
225 }
226 
227 
228 /******************************************************************************
229  *
230  * FUNCTION:    usage
231  *
232  * PARAMETERS:  None
233  *
234  * RETURN:      None
235  *
236  * DESCRIPTION: Print a usage message
237  *
238  *****************************************************************************/
239 
240 static void
241 usage (
242     void)
243 {
244 
245     ACPI_USAGE_HEADER ("acpiexec [options] AMLfile1 AMLfile2 ...");
246 
247     ACPI_OPTION ("-b \"CommandLine\"",  "Batch mode command line execution (cmd1;cmd2;...)");
248     ACPI_OPTION ("-h -?",               "Display this help message");
249     ACPI_OPTION ("-m [Method]",         "Batch mode method execution. Default=MAIN");
250     printf ("\n");
251 
252     ACPI_OPTION ("-da",                 "Disable method abort on error");
253     ACPI_OPTION ("-df",                 "Disable Local fault handler");
254     ACPI_OPTION ("-di",                 "Disable execution of STA/INI methods during init");
255     ACPI_OPTION ("-do",                 "Disable Operation Region address simulation");
256     ACPI_OPTION ("-dp",                 "Disable TermList parsing for scope objects");
257     ACPI_OPTION ("-dr",                 "Disable repair of method return values");
258     ACPI_OPTION ("-ds",                 "Disable method auto-serialization");
259     ACPI_OPTION ("-dt",                 "Disable allocation tracking (performance)");
260     printf ("\n");
261 
262     ACPI_OPTION ("-ed",                 "Enable timer output for Debug Object");
263     ACPI_OPTION ("-ef",                 "Enable display of final memory statistics");
264     ACPI_OPTION ("-ei",                 "Enable additional tests for ACPICA interfaces");
265     ACPI_OPTION ("-el",                 "Enable loading of additional test tables");
266     ACPI_OPTION ("-em",                 "Enable (legacy) grouping of module-level code");
267     ACPI_OPTION ("-es",                 "Enable Interpreter Slack Mode");
268     ACPI_OPTION ("-et",                 "Enable debug semaphore timeout");
269     printf ("\n");
270 
271     ACPI_OPTION ("-fi <File>",          "Specify namespace initialization file");
272     ACPI_OPTION ("-fv <Value>",         "Operation Region initialization fill value");
273     printf ("\n");
274 
275     ACPI_OPTION ("-l",                  "Load tables and namespace only");
276     ACPI_OPTION ("-r",                  "Use hardware-reduced FADT V5");
277     ACPI_OPTION ("-te",                 "Exit loop on timeout instead of aborting method");
278     ACPI_OPTION ("-to <Seconds>",       "Set timeout period for AML while loops");
279     printf ("\n");
280 
281     ACPI_OPTION ("-v",                  "Display version information");
282     ACPI_OPTION ("-vd",                 "Display build date and time");
283     ACPI_OPTION ("-vh",                 "Verbose exception handler output");
284     ACPI_OPTION ("-vi",                 "Verbose initialization output");
285     ACPI_OPTION ("-vr",                 "Verbose region handler output");
286     ACPI_OPTION ("-x <DebugLevel>",     "Debug output level");
287 
288     printf ("\n  From within the interactive mode, use '?' or \"help\" to see\n"
289         "  a list of available AML Debugger commands\n");
290 }
291 
292 
293 /******************************************************************************
294  *
295  * FUNCTION:    AeDoOptions
296  *
297  * PARAMETERS:  argc/argv           - Standard argc/argv
298  *
299  * RETURN:      Status
300  *
301  * DESCRIPTION: Command line option processing
302  *
303  *****************************************************************************/
304 
305 static int
306 AeDoOptions (
307     int                     argc,
308     char                    **argv)
309 {
310     int                     j;
311     UINT32                  Temp;
312 
313 
314     while ((j = AcpiGetopt (argc, argv, AE_SUPPORTED_OPTIONS)) != ACPI_OPT_END) switch (j)
315     {
316     case 'b':
317 
318         if (strlen (AcpiGbl_Optarg) > (AE_BUFFER_SIZE -1))
319         {
320             printf ("**** The length of command line (%u) exceeded maximum (%u)\n",
321                 (UINT32) strlen (AcpiGbl_Optarg), (AE_BUFFER_SIZE -1));
322             return (-1);
323         }
324         AcpiGbl_ExecutionMode = AE_MODE_BATCH_MULTIPLE;
325         strcpy (BatchBuffer, AcpiGbl_Optarg);
326         break;
327 
328     case 'd':
329 
330         switch (AcpiGbl_Optarg[0])
331         {
332         case 'a':
333 
334             AcpiGbl_IgnoreErrors = TRUE;
335             break;
336 
337         case 'f':
338 
339             AcpiGbl_UseLocalFaultHandler = FALSE;
340             break;
341 
342         case 'i':
343 
344             AcpiGbl_DbOpt_NoIniMethods = TRUE;
345             break;
346 
347         case 'o':
348 
349             AcpiGbl_DbOpt_NoRegionSupport = TRUE;
350             break;
351 
352         case 'p':
353 
354             AcpiGbl_ExecuteTablesAsMethods = FALSE;
355             break;
356 
357         case 'r':
358 
359             AcpiGbl_DisableAutoRepair = TRUE;
360             break;
361 
362         case 's':
363 
364             AcpiGbl_AutoSerializeMethods = FALSE;
365             break;
366 
367         case 't':
368 
369             #ifdef ACPI_DBG_TRACK_ALLOCATIONS
370                 AcpiGbl_DisableMemTracking = TRUE;
371             #endif
372             break;
373 
374         default:
375 
376             printf ("Unknown option: -d%s\n", AcpiGbl_Optarg);
377             return (-1);
378         }
379         break;
380 
381     case 'e':
382 
383         switch (AcpiGbl_Optarg[0])
384         {
385         case 'd':
386 
387             AcpiGbl_DisplayDebugTimer = TRUE;
388             break;
389 
390         case 'f':
391 
392             #ifdef ACPI_DBG_TRACK_ALLOCATIONS
393                 AcpiGbl_DisplayFinalMemStats = TRUE;
394             #endif
395             break;
396 
397         case 'i':
398 
399             AcpiGbl_DoInterfaceTests = TRUE;
400             break;
401 
402         case 'l':
403 
404             AcpiGbl_LoadTestTables = TRUE;
405             break;
406 
407         case 'm':
408 
409             AcpiGbl_GroupModuleLevelCode = TRUE;
410             break;
411 
412         case 's':
413 
414             AcpiGbl_EnableInterpreterSlack = TRUE;
415             printf ("Enabling AML Interpreter slack mode\n");
416             break;
417 
418         case 't':
419 
420             AcpiGbl_DebugTimeout = TRUE;
421             break;
422 
423         default:
424 
425             printf ("Unknown option: -e%s\n", AcpiGbl_Optarg);
426             return (-1);
427         }
428         break;
429 
430     case 'f':
431 
432         switch (AcpiGbl_Optarg[0])
433         {
434         case 'v':   /* -fv: region fill value */
435 
436             if (AcpiGetoptArgument (argc, argv))
437             {
438                 return (-1);
439             }
440 
441             AcpiGbl_RegionFillValue = (UINT8) strtoul (AcpiGbl_Optarg, NULL, 0);
442             break;
443 
444         case 'i':   /* -fi: specify initialization file */
445 
446             if (AcpiGetoptArgument (argc, argv))
447             {
448                 return (-1);
449             }
450 
451             if (AeOpenInitializationFile (AcpiGbl_Optarg))
452             {
453                 return (-1);
454             }
455             break;
456 
457         default:
458 
459             printf ("Unknown option: -f%s\n", AcpiGbl_Optarg);
460             return (-1);
461         }
462         break;
463 
464     case 'g':
465 
466         AcpiGbl_DbFilename = NULL;
467         break;
468 
469     case 'h':
470     case '?':
471 
472         usage();
473         return (1);
474 
475     case 'l':
476 
477         AcpiGbl_AeLoadOnly = TRUE;
478         break;
479 
480     case 'm':
481 
482         AcpiGbl_ExecutionMode = AE_MODE_BATCH_SINGLE;
483         switch (AcpiGbl_Optarg[0])
484         {
485         case '^':
486 
487             strcpy (BatchBuffer, "MAIN");
488             break;
489 
490         default:
491 
492             strcpy (BatchBuffer, AcpiGbl_Optarg);
493             break;
494         }
495         break;
496 
497     case 'r':
498 
499         AcpiGbl_UseHwReducedFadt = TRUE;
500         printf ("Using ACPI 5.0 Hardware Reduced Mode via version 5 FADT\n");
501         break;
502 
503     case 't':
504 
505         switch (AcpiGbl_Optarg[0])
506         {
507         case 'o':  /* -to: Set loop timeout in seconds */
508 
509             if (AcpiGetoptArgument (argc, argv))
510             {
511                 return (-1);
512             }
513 
514             Temp = strtoul (AcpiGbl_Optarg, NULL, 0);
515             if (!Temp || (Temp > ACPI_UINT16_MAX))
516             {
517                 printf ("%s: Invalid loop timeout value\n",
518                     AcpiGbl_Optarg);
519                 return (-1);
520             }
521 
522             AcpiGbl_MaxLoopIterations = (UINT16) Temp;
523             printf ("Automatic loop timeout after %u seconds\n",
524                 AcpiGbl_MaxLoopIterations);
525             break;
526 
527         case 'e':
528 
529             AcpiGbl_AbortLoopOnTimeout = TRUE;
530             break;
531 
532         default:
533 
534             printf ("Unknown option: -t%s\n", AcpiGbl_Optarg);
535             return (-1);
536         }
537         break;
538 
539     case 'v':
540 
541         switch (AcpiGbl_Optarg[0])
542         {
543         case '^':  /* -v: (Version): signon already emitted, just exit */
544 
545             return (1);
546 
547         case 'd':
548 
549             printf (ACPI_COMMON_BUILD_TIME);
550             return (1);
551 
552         case 'h':
553 
554             AcpiGbl_VerboseHandlers = TRUE;
555             break;
556 
557         case 'i':
558 
559             AcpiDbgLevel |= ACPI_LV_INIT_NAMES;
560             break;
561 
562         case 'r':
563 
564             AcpiGbl_DisplayRegionAccess = TRUE;
565             break;
566 
567         default:
568 
569             printf ("Unknown option: -v%s\n", AcpiGbl_Optarg);
570             return (-1);
571         }
572         break;
573 
574     case 'x':
575 
576         AcpiDbgLevel = strtoul (AcpiGbl_Optarg, NULL, 16);
577         AcpiGbl_DbConsoleDebugLevel = AcpiDbgLevel;
578         printf ("Debug Level: 0x%8.8X\n", AcpiDbgLevel);
579         break;
580 
581     default:
582 
583         usage();
584         return (-1);
585     }
586 
587     return (0);
588 }
589 
590 
591 /******************************************************************************
592  *
593  * FUNCTION:    main
594  *
595  * PARAMETERS:  argc, argv
596  *
597  * RETURN:      Status
598  *
599  * DESCRIPTION: Main routine for AcpiExec utility
600  *
601  *****************************************************************************/
602 
603 int ACPI_SYSTEM_XFACE
604 main (
605     int                     argc,
606     char                    **argv)
607 {
608     ACPI_NEW_TABLE_DESC     *ListHead = NULL;
609     ACPI_STATUS             Status;
610     UINT32                  InitFlags;
611     int                     ExitCode = 0;
612 
613 
614     ACPI_DEBUG_INITIALIZE (); /* For debug version only */
615 
616     signal (SIGINT, AeSignalHandler);
617 
618     /* Init debug globals */
619 
620     AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
621     AcpiDbgLayer = 0xFFFFFFFF;
622 
623     /* Module-level code. Use new architecture */
624 
625     AcpiGbl_ExecuteTablesAsMethods = TRUE;
626     AcpiGbl_GroupModuleLevelCode = FALSE;
627 
628     /*
629      * Initialize ACPICA and start debugger thread.
630      *
631      * NOTE: After ACPICA initialization, AcpiTerminate MUST be called
632      * before this procedure exits -- otherwise, the console may be
633      * left in an incorrect state.
634      */
635     Status = AcpiInitializeSubsystem ();
636     ACPI_CHECK_OK (AcpiInitializeSubsystem, Status);
637     if (ACPI_FAILURE (Status))
638     {
639         goto ErrorExit;
640     }
641 
642     /* Use a shorter timeout value for acpiexec */
643 
644     AcpiGbl_MaxLoopIterations = 1;
645 
646     /* Initialize the AML debugger */
647 
648     Status = AcpiInitializeDebugger ();
649     ACPI_CHECK_OK (AcpiInitializeDebugger, Status);
650     if (ACPI_FAILURE (Status))
651     {
652         goto ErrorExit;
653     }
654 
655     printf (ACPI_COMMON_SIGNON (ACPIEXEC_NAME));
656     if (argc < 2)
657     {
658         usage ();
659         goto NormalExit;
660     }
661 
662     /* Get the command line options */
663 
664     ExitCode = AeDoOptions (argc, argv);
665     if (ExitCode)
666     {
667         if (ExitCode > 0)
668         {
669             ExitCode = 0;
670         }
671 
672         goto ErrorExit;
673     }
674 
675     if (AcpiGbl_UseLocalFaultHandler)
676     {
677         signal (SIGSEGV, AeSignalHandler);
678     }
679 
680     /* The remaining arguments are filenames for ACPI tables */
681 
682     if (!argv[AcpiGbl_Optind])
683     {
684         goto EnterDebugger;
685     }
686 
687     AcpiGbl_CstyleDisassembly = FALSE; /* Not supported for AcpiExec */
688 
689     /* Get each of the ACPI table files on the command line */
690 
691     while (argv[AcpiGbl_Optind])
692     {
693         /* Get all ACPI AML tables in this file */
694 
695         Status = AcGetAllTablesFromFile (argv[AcpiGbl_Optind],
696             ACPI_GET_ALL_TABLES, &ListHead);
697         if (ACPI_FAILURE (Status))
698         {
699             ExitCode = -1;
700             goto ErrorExit;
701         }
702 
703         AcpiGbl_Optind++;
704     }
705 
706     printf ("\n");
707 
708     /* Build a local RSDT with all tables and let ACPICA process the RSDT */
709 
710     Status = AeBuildLocalTables (ListHead);
711     if (ACPI_FAILURE (Status))
712     {
713         goto ErrorExit;
714     }
715 
716     /* Install all of the ACPI tables */
717 
718     Status = AeInstallTables ();
719     if (ACPI_FAILURE (Status))
720     {
721         printf ("**** Could not install ACPI tables, %s\n",
722             AcpiFormatException (Status));
723         goto EnterDebugger;
724     }
725 
726     /*
727      * Install most of the handlers (Regions, Notify, Table, etc.)
728      * Override the default region handlers, especially SystemMemory,
729      * which is simulated in this utility.
730      */
731     Status = AeInstallEarlyHandlers ();
732     if (ACPI_FAILURE (Status))
733     {
734         goto EnterDebugger;
735     }
736 
737     Status = AeLoadTables ();
738 
739     /*
740      * Exit namespace initialization for the "load namespace only" option.
741      * No control methods will be executed. However, still enter the
742      * the debugger.
743      */
744     if (AcpiGbl_AeLoadOnly)
745     {
746         goto EnterDebugger;
747     }
748 
749     if (ACPI_FAILURE (Status))
750     {
751         printf ("**** Could not load ACPI tables, %s\n",
752             AcpiFormatException (Status));
753         goto EnterDebugger;
754     }
755 
756     /* Setup initialization flags for ACPICA */
757 
758     InitFlags = (ACPI_NO_HANDLER_INIT | ACPI_NO_ACPI_ENABLE);
759     if (AcpiGbl_DbOpt_NoIniMethods)
760     {
761         InitFlags |= (ACPI_NO_DEVICE_INIT | ACPI_NO_OBJECT_INIT);
762     }
763 
764     /*
765      * Main initialization for ACPICA subsystem
766      * TBD: Need a way to call this after the ACPI table "LOAD" command?
767      *
768      * NOTE: This initialization does not match the _Lxx and _Exx methods
769      * to individual GPEs, as there are no real GPEs when the hardware
770      * is simulated - because there is no namespace until AeLoadTables is
771      * executed. This may have to change if AcpiExec is ever run natively
772      * on actual hardware (such as under UEFI).
773      */
774     Status = AcpiEnableSubsystem (InitFlags);
775     if (ACPI_FAILURE (Status))
776     {
777         printf ("**** Could not EnableSubsystem, %s\n",
778             AcpiFormatException (Status));
779         goto EnterDebugger;
780     }
781 
782     /*
783      * Install handlers for "device driver" space IDs (EC,SMBus, etc.)
784      * and fixed event handlers
785      */
786     AeInstallLateHandlers ();
787 
788     /*
789      * This call implements the "initialization file" option for AcpiExec.
790      * This is the precise point that we want to perform the overrides.
791      */
792     AeDoObjectOverrides ();
793 
794     /* Finish the ACPICA initialization */
795 
796     Status = AcpiInitializeObjects (InitFlags);
797     if (ACPI_FAILURE (Status))
798     {
799         printf ("**** Could not InitializeObjects, %s\n",
800             AcpiFormatException (Status));
801         goto EnterDebugger;
802     }
803 
804     AeMiscellaneousTests ();
805 
806 
807 EnterDebugger:
808 
809     /* Exit if error above and we are in one of the batch modes */
810 
811     if (ACPI_FAILURE (Status) && (AcpiGbl_ExecutionMode > 0))
812     {
813         goto ErrorExit;
814     }
815 
816     /* Run a batch command or enter the command loop */
817 
818     switch (AcpiGbl_ExecutionMode)
819     {
820     default:
821     case AE_MODE_COMMAND_LOOP:
822 
823         AcpiRunDebugger (NULL);
824         break;
825 
826     case AE_MODE_BATCH_MULTIPLE:
827 
828         AcpiRunDebugger (BatchBuffer);
829         break;
830 
831     case AE_MODE_BATCH_SINGLE:
832 
833         AcpiDbExecute (BatchBuffer, NULL, NULL, EX_NO_SINGLE_STEP);
834         break;
835     }
836 
837     /* Shut down the debugger and ACPICA */
838 
839     AcpiTerminateDebugger ();
840 
841     /* re-enable debug output for AcpiTerminate output */
842 
843     AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT;
844 
845 NormalExit:
846     ExitCode = 0;
847 
848 ErrorExit:
849     (void) AcpiTerminate ();
850     AcDeleteTableList (ListHead);
851     return (ExitCode);
852 }
853