1 /*******************************************************************************
3 * Module Name: dbinput - user front-end to the AML debugger
5 ******************************************************************************/
8 * Copyright (C) 2000 - 2013, Intel Corp.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
52 #define _COMPONENT ACPI_CA_DEBUGGER
53 ACPI_MODULE_NAME ("dbinput")
55 /* Local prototypes */
70 AcpiDbDisplayCommandInfo (
79 AcpiDbMatchCommandHelp (
81 const ACPI_DB_COMMAND_HELP
*Help
);
85 * Top-level debugger commands.
87 * This list of commands must match the string table below it
89 enum AcpiExDebuggerCommands
157 #define CMD_FIRST_VALID 2
160 /* Second parameter is the required argument count */
162 static const ACPI_DB_COMMAND_INFO AcpiGbl_DbCommands
[] =
232 * Help for all debugger commands. First argument is the number of lines
233 * of help to output for the command.
235 static const ACPI_DB_COMMAND_HELP AcpiGbl_DbCommandHelp
[] =
237 {0, "\nGeneral-Purpose Commands:", "\n"},
238 {1, " Allocations", "Display list of current memory allocations\n"},
239 {2, " Dump <Address>|<Namepath>", "\n"},
240 {0, " [Byte|Word|Dword|Qword]", "Display ACPI objects or memory\n"},
241 {1, " EnableAcpi", "Enable ACPI (hardware) mode\n"},
242 {1, " Handlers", "Info about global handlers\n"},
243 {1, " Help [Command]", "This help screen or individual command\n"},
244 {1, " History", "Display command history buffer\n"},
245 {1, " Level <DebugLevel>] [console]", "Get/Set debug level for file or console\n"},
246 {1, " Locks", "Current status of internal mutexes\n"},
247 {1, " Osi [Install|Remove <name>]", "Display or modify global _OSI list\n"},
248 {1, " Quit or Exit", "Exit this command\n"},
249 {9, " Stats [Allocations|Memory|Misc|", "\n"},
250 {1, " Objects|Sizes|Stack|Tables]", "Display namespace and memory statistics\n"},
251 {1, " Allocations", "Display list of current memory allocations\n"},
252 {1, " Memory", "Dump internal memory lists\n"},
253 {1, " Misc", "Namespace search and mutex stats\n"},
254 {1, " Objects", "Summary of namespace objects\n"},
255 {1, " Sizes", "Sizes for each of the internal objects\n"},
256 {1, " Stack", "Display CPU stack usage\n"},
257 {1, " Tables", "Info about current ACPI table(s)\n"},
258 {1, " Tables", "Display info about loaded ACPI tables\n"},
259 {1, " Unload <Namepath>", "Unload an ACPI table via namespace object\n"},
260 {1, " ! <CommandNumber>", "Execute command from history buffer\n"},
261 {1, " !!", "Execute last command again\n"},
263 {0, "\nNamespace Access Commands:", "\n"},
264 {1, " Businfo", "Display system bus info\n"},
265 {1, " Disassemble <Method>", "Disassemble a control method\n"},
266 {1, " Find <AcpiName> (? is wildcard)", "Find ACPI name(s) with wildcards\n"},
267 {1, " Integrity", "Validate namespace integrity\n"},
268 {1, " Methods", "Display list of loaded control methods\n"},
269 {1, " Namespace [Object] [Depth]", "Display loaded namespace tree/subtree\n"},
270 {1, " Notify <Object> <Value>", "Send a notification on Object\n"},
271 {1, " Objects <ObjectType>", "Display all objects of the given type\n"},
272 {1, " Owner <OwnerId> [Depth]", "Display loaded namespace by object owner\n"},
273 {1, " Paths", "Display full pathnames of namespace objects\n"},
274 {1, " Predefined", "Check all predefined names\n"},
275 {1, " Prefix [<NamePath>]", "Set or Get current execution prefix\n"},
276 {1, " References <Addr>", "Find all references to object at addr\n"},
277 {1, " Resources [DeviceName]", "Display Device resources (no arg = all devices)\n"},
278 {1, " Set N <NamedObject> <Value>", "Set value for named integer\n"},
279 {1, " Template <Object>", "Format/dump a Buffer/ResourceTemplate\n"},
280 {1, " Terminate", "Delete namespace and all internal objects\n"},
281 {1, " Type <Object>", "Display object type\n"},
283 {0, "\nControl Method Execution Commands:","\n"},
284 {1, " Arguments (or Args)", "Display method arguments\n"},
285 {1, " Breakpoint <AmlOffset>", "Set an AML execution breakpoint\n"},
286 {1, " Call", "Run to next control method invocation\n"},
287 {1, " Debug <Namepath> [Arguments]", "Single Step a control method\n"},
288 {6, " Evaluate", "Synonym for Execute\n"},
289 {5, " Execute <Namepath> [Arguments]", "Execute control method\n"},
290 {1, " Hex Integer", "Integer method argument\n"},
291 {1, " \"Ascii String\"", "String method argument\n"},
292 {1, " (Hex Byte List)", "Buffer method argument\n"},
293 {1, " [Package Element List]", "Package method argument\n"},
294 {1, " Go", "Allow method to run to completion\n"},
295 {1, " Information", "Display info about the current method\n"},
296 {1, " Into", "Step into (not over) a method call\n"},
297 {1, " List [# of Aml Opcodes]", "Display method ASL statements\n"},
298 {1, " Locals", "Display method local variables\n"},
299 {1, " Results", "Display method result stack\n"},
300 {1, " Set <A|L> <#> <Value>", "Set method data (Arguments/Locals)\n"},
301 {1, " Stop", "Terminate control method\n"},
302 {1, " Thread <Threads><Loops><NamePath>", "Spawn threads to execute method(s)\n"},
303 {1, " Trace <method name>", "Trace method execution\n"},
304 {1, " Tree", "Display control method calling tree\n"},
305 {1, " <Enter>", "Single step next AML opcode (over calls)\n"},
307 {0, "\nHardware Related Commands:", "\n"},
308 {1, " Event <F|G> <Value>", "Generate AcpiEvent (Fixed/GPE)\n"},
309 {1, " Gpe <GpeNum> <GpeBlock>", "Simulate a GPE\n"},
310 {1, " Gpes", "Display info on all GPEs\n"},
311 {1, " Sci", "Generate an SCI\n"},
312 {1, " Sleep [SleepState]", "Simulate sleep/wake sequence(s) (0-5)\n"},
314 {0, "\nFile I/O Commands:", "\n"},
315 {1, " Close", "Close debug output file\n"},
316 {1, " Load <Input Filename>", "Load ACPI table from a file\n"},
317 {1, " Open <Output Filename>", "Open a file for debug output\n"},
322 /*******************************************************************************
324 * FUNCTION: AcpiDbMatchCommandHelp
326 * PARAMETERS: Command - Command string to match
327 * Help - Help table entry to attempt match
329 * RETURN: TRUE if command matched, FALSE otherwise
331 * DESCRIPTION: Attempt to match a command in the help table in order to
332 * print help information for a single command.
334 ******************************************************************************/
337 AcpiDbMatchCommandHelp (
339 const ACPI_DB_COMMAND_HELP
*Help
)
341 char *Invocation
= Help
->Invocation
;
345 /* Valid commands in the help table begin with a couple of spaces */
347 if (*Invocation
!= ' ')
352 while (*Invocation
== ' ')
357 /* Match command name (full command or substring) */
359 while ((*Command
) && (*Invocation
) && (*Invocation
!= ' '))
361 if (ACPI_TOLOWER (*Command
) != ACPI_TOLOWER (*Invocation
))
370 /* Print the appropriate number of help lines */
372 LineCount
= Help
->LineCount
;
375 AcpiOsPrintf ("%-38s : %s", Help
->Invocation
, Help
->Description
);
384 /*******************************************************************************
386 * FUNCTION: AcpiDbDisplayCommandInfo
388 * PARAMETERS: Command - Command string to match
389 * DisplayAll - Display all matching commands, or just
390 * the first one (substring match)
394 * DESCRIPTION: Display help information for a Debugger command.
396 ******************************************************************************/
399 AcpiDbDisplayCommandInfo (
403 const ACPI_DB_COMMAND_HELP
*Next
;
407 Next
= AcpiGbl_DbCommandHelp
;
408 while (Next
->Invocation
)
410 Matched
= AcpiDbMatchCommandHelp (Command
, Next
);
411 if (!DisplayAll
&& Matched
)
421 /*******************************************************************************
423 * FUNCTION: AcpiDbDisplayHelp
425 * PARAMETERS: Command - Optional command string to display help.
426 * if not specified, all debugger command
427 * help strings are displayed
431 * DESCRIPTION: Display help for a single debugger command, or all of them.
433 ******************************************************************************/
439 const ACPI_DB_COMMAND_HELP
*Next
= AcpiGbl_DbCommandHelp
;
444 /* No argument to help, display help for all commands */
446 while (Next
->Invocation
)
448 AcpiOsPrintf ("%-38s%s", Next
->Invocation
, Next
->Description
);
454 /* Display help for all commands that match the subtring */
456 AcpiDbDisplayCommandInfo (Command
, TRUE
);
461 /*******************************************************************************
463 * FUNCTION: AcpiDbGetNextToken
465 * PARAMETERS: String - Command buffer
466 * Next - Return value, end of next token
468 * RETURN: Pointer to the start of the next token.
470 * DESCRIPTION: Command line parsing. Get the next token on the command line
472 ******************************************************************************/
478 ACPI_OBJECT_TYPE
*ReturnType
)
482 ACPI_OBJECT_TYPE Type
= ACPI_TYPE_INTEGER
;
485 /* At end of buffer? */
487 if (!String
|| !(*String
))
492 /* Remove any spaces at the beginning */
496 while (*String
&& (*String
== ' '))
511 /* This is a quoted string, scan until closing quote */
515 Type
= ACPI_TYPE_STRING
;
517 /* Find end of string */
519 while (*String
&& (*String
!= '"'))
527 /* This is the start of a buffer, scan until closing paren */
531 Type
= ACPI_TYPE_BUFFER
;
533 /* Find end of buffer */
535 while (*String
&& (*String
!= ')'))
543 /* This is the start of a package, scan until closing bracket */
548 Type
= ACPI_TYPE_PACKAGE
;
550 /* Find end of package (closing bracket) */
554 /* Handle String package elements */
558 /* Find end of string */
561 while (*String
&& (*String
!= '"'))
570 else if (*String
== '[')
572 Depth
++; /* A nested package declaration */
574 else if (*String
== ']')
577 if (Depth
== 0) /* Found final package closing bracket */
591 /* Find end of token */
593 while (*String
&& (*String
!= ' '))
615 /*******************************************************************************
617 * FUNCTION: AcpiDbGetLine
619 * PARAMETERS: InputBuffer - Command line buffer
621 * RETURN: Count of arguments to the command
623 * DESCRIPTION: Get the next command line from the user. Gets entire line
624 * up to the next newline
626 ******************************************************************************/
638 if (AcpiUtSafeStrcpy (AcpiGbl_DbParsedBuf
, sizeof (AcpiGbl_DbParsedBuf
),
641 AcpiOsPrintf ("Buffer overflow while parsing input line (max %u characters)\n",
642 sizeof (AcpiGbl_DbParsedBuf
));
646 This
= AcpiGbl_DbParsedBuf
;
647 for (i
= 0; i
< ACPI_DEBUGGER_MAX_ARGS
; i
++)
649 AcpiGbl_DbArgs
[i
] = AcpiDbGetNextToken (This
, &Next
,
650 &AcpiGbl_DbArgTypes
[i
]);
651 if (!AcpiGbl_DbArgs
[i
])
659 /* Uppercase the actual command */
661 if (AcpiGbl_DbArgs
[0])
663 AcpiUtStrupr (AcpiGbl_DbArgs
[0]);
669 Count
--; /* Number of args only */
676 /*******************************************************************************
678 * FUNCTION: AcpiDbMatchCommand
680 * PARAMETERS: UserCommand - User command line
682 * RETURN: Index into command array, -1 if not found
684 * DESCRIPTION: Search command array for a command match
686 ******************************************************************************/
695 if (!UserCommand
|| UserCommand
[0] == 0)
700 for (i
= CMD_FIRST_VALID
; AcpiGbl_DbCommands
[i
].Name
; i
++)
702 if (ACPI_STRSTR (AcpiGbl_DbCommands
[i
].Name
, UserCommand
) ==
703 AcpiGbl_DbCommands
[i
].Name
)
709 /* Command not recognized */
711 return (CMD_NOT_FOUND
);
715 /*******************************************************************************
717 * FUNCTION: AcpiDbCommandDispatch
719 * PARAMETERS: InputBuffer - Command line buffer
720 * WalkState - Current walk
721 * Op - Current (executing) parse op
725 * DESCRIPTION: Command dispatcher.
727 ******************************************************************************/
730 AcpiDbCommandDispatch (
732 ACPI_WALK_STATE
*WalkState
,
733 ACPI_PARSE_OBJECT
*Op
)
739 ACPI_STATUS Status
= AE_CTRL_TRUE
;
742 /* If AcpiTerminate has been called, terminate this thread */
744 if (AcpiGbl_DbTerminateThreads
)
746 return (AE_CTRL_TERMINATE
);
750 /* Add all commands that come here to the history buffer */
752 AcpiDbAddToHistory (InputBuffer
);
754 ParamCount
= AcpiDbGetLine (InputBuffer
);
755 CommandIndex
= AcpiDbMatchCommand (AcpiGbl_DbArgs
[0]);
758 /* Verify that we have the minimum number of params */
760 if (ParamCount
< AcpiGbl_DbCommands
[CommandIndex
].MinArgs
)
762 AcpiOsPrintf ("%u parameters entered, [%s] requires %u parameters\n",
763 ParamCount
, AcpiGbl_DbCommands
[CommandIndex
].Name
,
764 AcpiGbl_DbCommands
[CommandIndex
].MinArgs
);
766 AcpiDbDisplayCommandInfo (AcpiGbl_DbCommands
[CommandIndex
].Name
, FALSE
);
767 return (AE_CTRL_TRUE
);
770 /* Decode and dispatch the command */
772 switch (CommandIndex
)
782 case CMD_ALLOCATIONS
:
784 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
785 AcpiUtDumpAllocations ((UINT32
) -1, NULL
);
792 AcpiDbDisplayArguments ();
797 AcpiDbBatchExecute (AcpiGbl_DbArgs
[1]);
802 AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs
[1], WalkState
, Op
);
812 AcpiDbSetMethodCallBreakpoint (Op
);
818 AcpiDbCloseDebugFile ();
823 AcpiDbExecute (AcpiGbl_DbArgs
[1],
824 &AcpiGbl_DbArgs
[2], &AcpiGbl_DbArgTypes
[2], EX_SINGLE_STEP
);
827 case CMD_DISASSEMBLE
:
830 (void) AcpiDbDisassembleMethod (AcpiGbl_DbArgs
[1]);
835 AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs
[1], AcpiGbl_DbArgs
[2]);
839 #if (!ACPI_REDUCED_HARDWARE)
841 Status
= AcpiEnable();
842 if (ACPI_FAILURE(Status
))
844 AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status
);
847 #endif /* !ACPI_REDUCED_HARDWARE */
852 AcpiOsPrintf ("Event command not implemented\n");
858 AcpiDbExecute (AcpiGbl_DbArgs
[1],
859 &AcpiGbl_DbArgs
[2], &AcpiGbl_DbArgTypes
[2], EX_NO_SINGLE_STEP
);
864 Status
= AcpiDbFindNameInNamespace (AcpiGbl_DbArgs
[1]);
869 AcpiGbl_CmSingleStep
= FALSE
;
874 AcpiDbGenerateGpe (AcpiGbl_DbArgs
[1], AcpiGbl_DbArgs
[2]);
879 AcpiDbDisplayGpes ();
884 AcpiDbDisplayHandlers ();
890 AcpiDbDisplayHelp (AcpiGbl_DbArgs
[1]);
895 AcpiDbDisplayHistory ();
898 case CMD_HISTORY_EXE
: /* ! command */
900 CommandLine
= AcpiDbGetFromHistory (AcpiGbl_DbArgs
[1]);
903 return (AE_CTRL_TRUE
);
906 Status
= AcpiDbCommandDispatch (CommandLine
, WalkState
, Op
);
909 case CMD_HISTORY_LAST
: /* !! command */
911 CommandLine
= AcpiDbGetFromHistory (NULL
);
914 return (AE_CTRL_TRUE
);
917 Status
= AcpiDbCommandDispatch (CommandLine
, WalkState
, Op
);
920 case CMD_INFORMATION
:
922 AcpiDbDisplayMethodInfo (Op
);
927 AcpiDbCheckIntegrity ();
934 AcpiGbl_CmSingleStep
= TRUE
;
943 AcpiOsPrintf ("Current debug level for file output is: %8.8lX\n",
944 AcpiGbl_DbDebugLevel
);
945 AcpiOsPrintf ("Current debug level for console output is: %8.8lX\n",
946 AcpiGbl_DbConsoleDebugLevel
);
948 else if (ParamCount
== 2)
950 Temp
= AcpiGbl_DbConsoleDebugLevel
;
951 AcpiGbl_DbConsoleDebugLevel
= ACPI_STRTOUL (AcpiGbl_DbArgs
[1],
954 "Debug Level for console output was %8.8lX, now %8.8lX\n",
955 Temp
, AcpiGbl_DbConsoleDebugLevel
);
959 Temp
= AcpiGbl_DbDebugLevel
;
960 AcpiGbl_DbDebugLevel
= ACPI_STRTOUL (AcpiGbl_DbArgs
[1], NULL
, 16);
962 "Debug Level for file output was %8.8lX, now %8.8lX\n",
963 Temp
, AcpiGbl_DbDebugLevel
);
969 AcpiDbDisassembleAml (AcpiGbl_DbArgs
[1], Op
);
974 Status
= AcpiDbGetTableFromFile (AcpiGbl_DbArgs
[1], NULL
);
979 AcpiDbDisplayLocks ();
984 AcpiDbDisplayLocals ();
989 Status
= AcpiDbDisplayObjects ("METHOD", AcpiGbl_DbArgs
[1]);
994 AcpiDbDumpNamespace (AcpiGbl_DbArgs
[1], AcpiGbl_DbArgs
[2]);
999 Temp
= ACPI_STRTOUL (AcpiGbl_DbArgs
[2], NULL
, 0);
1000 AcpiDbSendNotify (AcpiGbl_DbArgs
[1], Temp
);
1005 AcpiUtStrupr (AcpiGbl_DbArgs
[1]);
1006 Status
= AcpiDbDisplayObjects (AcpiGbl_DbArgs
[1], AcpiGbl_DbArgs
[2]);
1011 AcpiDbOpenDebugFile (AcpiGbl_DbArgs
[1]);
1016 AcpiDbDisplayInterfaces (AcpiGbl_DbArgs
[1], AcpiGbl_DbArgs
[2]);
1021 AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs
[1], AcpiGbl_DbArgs
[2]);
1026 AcpiDbDumpNamespacePaths ();
1029 case CMD_PREDEFINED
:
1031 AcpiDbCheckPredefinedNames ();
1036 AcpiDbSetScope (AcpiGbl_DbArgs
[1]);
1039 case CMD_REFERENCES
:
1041 AcpiDbFindReferences (AcpiGbl_DbArgs
[1]);
1046 AcpiDbDisplayResources (AcpiGbl_DbArgs
[1]);
1051 AcpiDbDisplayResults ();
1056 AcpiDbGenerateSci ();
1061 AcpiDbSetMethodData (AcpiGbl_DbArgs
[1], AcpiGbl_DbArgs
[2],
1067 Status
= AcpiDbSleep (AcpiGbl_DbArgs
[1]);
1072 Status
= AcpiDbDisplayStatistics (AcpiGbl_DbArgs
[1]);
1077 return (AE_NOT_IMPLEMENTED
);
1081 AcpiDbDisplayTableInfo (AcpiGbl_DbArgs
[1]);
1086 AcpiDbDisplayTemplate (AcpiGbl_DbArgs
[1]);
1091 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT
);
1092 AcpiUtSubsystemShutdown ();
1095 * TBD: [Restructure] Need some way to re-initialize without
1096 * re-creating the semaphores!
1099 /* AcpiInitialize (NULL); */
1104 AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs
[1], AcpiGbl_DbArgs
[2],
1110 (void) AcpiDebugTrace (AcpiGbl_DbArgs
[1],0,0,1);
1115 AcpiDbDisplayCallingTree ();
1120 AcpiDbDisplayObjectType (AcpiGbl_DbArgs
[1]);
1125 AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs
[1]);
1133 AcpiOsPrintf ("Method execution terminated\n");
1134 return (AE_CTRL_TERMINATE
);
1137 if (!AcpiGbl_DbOutputToFile
)
1139 AcpiDbgLevel
= ACPI_DEBUG_DEFAULT
;
1142 AcpiDbCloseDebugFile ();
1143 AcpiGbl_DbTerminateThreads
= TRUE
;
1144 return (AE_CTRL_TERMINATE
);
1149 AcpiOsPrintf ("%s: unknown command\n", AcpiGbl_DbArgs
[0]);
1150 return (AE_CTRL_TRUE
);
1153 if (ACPI_SUCCESS (Status
))
1155 Status
= AE_CTRL_TRUE
;
1162 /*******************************************************************************
1164 * FUNCTION: AcpiDbExecuteThread
1166 * PARAMETERS: Context - Not used
1170 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1171 * simply dispatches it.
1173 ******************************************************************************/
1175 void ACPI_SYSTEM_XFACE
1176 AcpiDbExecuteThread (
1179 ACPI_STATUS Status
= AE_OK
;
1180 ACPI_STATUS MStatus
;
1183 while (Status
!= AE_CTRL_TERMINATE
)
1185 AcpiGbl_MethodExecuting
= FALSE
;
1186 AcpiGbl_StepToNextCall
= FALSE
;
1188 MStatus
= AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY
);
1189 if (ACPI_FAILURE (MStatus
))
1194 Status
= AcpiDbCommandDispatch (AcpiGbl_DbLineBuf
, NULL
, NULL
);
1196 MStatus
= AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_COMPLETE
);
1197 if (ACPI_FAILURE (MStatus
))
1205 /*******************************************************************************
1207 * FUNCTION: AcpiDbSingleThread
1213 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1214 * simply dispatches it.
1216 ******************************************************************************/
1219 AcpiDbSingleThread (
1223 AcpiGbl_MethodExecuting
= FALSE
;
1224 AcpiGbl_StepToNextCall
= FALSE
;
1226 (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf
, NULL
, NULL
);
1230 /*******************************************************************************
1232 * FUNCTION: AcpiDbUserCommands
1234 * PARAMETERS: Prompt - User prompt (depends on mode)
1235 * Op - Current executing parse op
1239 * DESCRIPTION: Command line execution for the AML debugger. Commands are
1240 * matched and dispatched here.
1242 ******************************************************************************/
1245 AcpiDbUserCommands (
1247 ACPI_PARSE_OBJECT
*Op
)
1249 ACPI_STATUS Status
= AE_OK
;
1252 AcpiOsPrintf ("\n");
1254 /* TBD: [Restructure] Need a separate command line buffer for step mode */
1256 while (!AcpiGbl_DbTerminateThreads
)
1258 /* Force output to console until a command is entered */
1260 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT
);
1262 /* Different prompt if method is executing */
1264 if (!AcpiGbl_MethodExecuting
)
1266 AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT
);
1270 AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT
);
1273 /* Get the user input line */
1275 Status
= AcpiOsGetLine (AcpiGbl_DbLineBuf
,
1276 ACPI_DB_LINE_BUFFER_SIZE
, NULL
);
1277 if (ACPI_FAILURE (Status
))
1279 ACPI_EXCEPTION ((AE_INFO
, Status
, "While parsing command line"));
1283 /* Check for single or multithreaded debug */
1285 if (AcpiGbl_DebuggerConfiguration
& DEBUGGER_MULTI_THREADED
)
1288 * Signal the debug thread that we have a command to execute,
1289 * and wait for the command to complete.
1291 Status
= AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_READY
);
1292 if (ACPI_FAILURE (Status
))
1297 Status
= AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_COMPLETE
);
1298 if (ACPI_FAILURE (Status
))
1305 /* Just call to the command line interpreter */
1307 AcpiDbSingleThread ();
1312 * Only this thread (the original thread) should actually terminate the
1313 * subsystem, because all the semaphores are deleted during termination
1315 Status
= AcpiTerminate ();
1319 #endif /* ACPI_DEBUGGER */