1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2 /*******************************************************************************
4 * Module Name: dbinput - user front-end to the AML debugger
6 ******************************************************************************/
12 #ifdef ACPI_APPLICATION
16 #define _COMPONENT ACPI_CA_DEBUGGER
17 ACPI_MODULE_NAME("dbinput")
19 /* Local prototypes */
20 static u32 acpi_db_get_line(char *input_buffer);
22 static u32 acpi_db_match_command(char *user_command);
24 static void acpi_db_display_command_info(const char *command, u8 display_all);
26 static void acpi_db_display_help(char *command);
29 acpi_db_match_command_help(const char *command,
30 const struct acpi_db_command_help *help);
33 * Top-level debugger commands.
35 * This list of commands must match the string table below it
37 enum acpi_ex_debugger_commands {
91 #ifdef ACPI_APPLICATION
112 #define CMD_FIRST_VALID 2
114 /* Second parameter is the required argument count */
116 static const struct acpi_db_command_info acpi_gbl_db_commands[] = {
170 #ifdef ACPI_APPLICATION
193 * Help for all debugger commands. First argument is the number of lines
194 * of help to output for the command.
196 * Note: Some commands are not supported by the kernel-level version of
199 static const struct acpi_db_command_help acpi_gbl_db_command_help[] = {
200 {0, "\nNamespace Access:", "\n"},
201 {1, " Businfo", "Display system bus info\n"},
202 {1, " Disassemble <Method>", "Disassemble a control method\n"},
203 {1, " Find <AcpiName> (? is wildcard)",
204 "Find ACPI name(s) with wildcards\n"},
205 {1, " Integrity", "Validate namespace integrity\n"},
206 {1, " Methods", "Display list of loaded control methods\n"},
207 {1, " Fields <AddressSpaceId>",
208 "Display list of loaded field units by space ID\n"},
209 {1, " Namespace [Object] [Depth]",
210 "Display loaded namespace tree/subtree\n"},
211 {1, " Notify <Object> <Value>", "Send a notification on Object\n"},
212 {1, " Objects [ObjectType]",
213 "Display summary of all objects or just given type\n"},
214 {1, " Owner <OwnerId> [Depth]",
215 "Display loaded namespace by object owner\n"},
216 {1, " Paths", "Display full pathnames of namespace objects\n"},
217 {1, " Predefined", "Check all predefined names\n"},
218 {1, " Prefix [<Namepath>]", "Set or Get current execution prefix\n"},
219 {1, " References <Addr>", "Find all references to object at addr\n"},
220 {1, " Resources [DeviceName]",
221 "Display Device resources (no arg = all devices)\n"},
222 {1, " Set N <NamedObject> <Value>", "Set value for named integer\n"},
223 {1, " Template <Object>", "Format/dump a Buffer/ResourceTemplate\n"},
224 {1, " Type <Object>", "Display object type\n"},
226 {0, "\nControl Method Execution:", "\n"},
227 {1, " All <NameSeg>", "Evaluate all objects named NameSeg\n"},
228 {1, " Evaluate <Namepath> [Arguments]",
229 "Evaluate object or control method\n"},
230 {1, " Execute <Namepath> [Arguments]", "Synonym for Evaluate\n"},
231 #ifdef ACPI_APPLICATION
232 {1, " Background <Namepath> [Arguments]",
233 "Evaluate object/method in a separate thread\n"},
234 {1, " Thread <Threads><Loops><NamePath>",
235 "Spawn threads to execute method(s)\n"},
237 {1, " Debug <Namepath> [Arguments]", "Single-Step a control method\n"},
238 {7, " [Arguments] formats:", "Control method argument formats\n"},
239 {1, " Hex Integer", "Integer\n"},
240 {1, " \"Ascii String\"", "String\n"},
241 {1, " (Hex Byte List)", "Buffer\n"},
242 {1, " (01 42 7A BF)", "Buffer example (4 bytes)\n"},
243 {1, " [Package Element List]", "Package\n"},
244 {1, " [0x01 0x1234 \"string\"]",
245 "Package example (3 elements)\n"},
247 {0, "\nMiscellaneous:", "\n"},
248 {1, " Allocations", "Display list of current memory allocations\n"},
249 {2, " Dump <Address>|<Namepath>", "\n"},
250 {0, " [Byte|Word|Dword|Qword]",
251 "Display ACPI objects or memory\n"},
252 {1, " Handlers", "Info about global handlers\n"},
253 {1, " Help [Command]", "This help screen or individual command\n"},
254 {1, " History", "Display command history buffer\n"},
255 {1, " Level <DebugLevel>] [console]",
256 "Get/Set debug level for file or console\n"},
257 {1, " Locks", "Current status of internal mutexes\n"},
258 {1, " Osi [Install|Remove <name>]",
259 "Display or modify global _OSI list\n"},
260 {1, " Quit or Exit", "Exit this command\n"},
261 {8, " Stats <SubCommand>",
262 "Display namespace and memory statistics\n"},
263 {1, " Allocations", "Display list of current memory allocations\n"},
264 {1, " Memory", "Dump internal memory lists\n"},
265 {1, " Misc", "Namespace search and mutex stats\n"},
266 {1, " Objects", "Summary of namespace objects\n"},
267 {1, " Sizes", "Sizes for each of the internal objects\n"},
268 {1, " Stack", "Display CPU stack usage\n"},
269 {1, " Tables", "Info about current ACPI table(s)\n"},
270 {1, " Tables", "Display info about loaded ACPI tables\n"},
271 #ifdef ACPI_APPLICATION
272 {1, " Terminate", "Delete namespace and all internal objects\n"},
274 {1, " ! <CommandNumber>", "Execute command from history buffer\n"},
275 {1, " !!", "Execute last command again\n"},
277 {0, "\nMethod and Namespace Debugging:", "\n"},
278 {5, " Trace <State> [<Namepath>] [Once]",
279 "Trace control method execution\n"},
280 {1, " Enable", "Enable all messages\n"},
281 {1, " Disable", "Disable tracing\n"},
282 {1, " Method", "Enable method execution messages\n"},
283 {1, " Opcode", "Enable opcode execution messages\n"},
284 {3, " Test <TestName>", "Invoke a debug test\n"},
285 {1, " Objects", "Read/write/compare all namespace data objects\n"},
287 "Validate all ACPI predefined names (_STA, etc.)\n"},
288 {1, " Execute predefined",
289 "Execute all predefined (public) methods\n"},
291 {0, "\nControl Method Single-Step Execution:", "\n"},
292 {1, " Arguments (or Args)", "Display method arguments\n"},
293 {1, " Breakpoint <AmlOffset>", "Set an AML execution breakpoint\n"},
294 {1, " Call", "Run to next control method invocation\n"},
295 {1, " Go", "Allow method to run to completion\n"},
296 {1, " Information", "Display info about the current method\n"},
297 {1, " Into", "Step into (not over) a method call\n"},
298 {1, " List [# of Aml Opcodes]", "Display method ASL statements\n"},
299 {1, " Locals", "Display method local variables\n"},
300 {1, " Results", "Display method result stack\n"},
301 {1, " Set <A|L> <#> <Value>", "Set method data (Arguments/Locals)\n"},
302 {1, " Stop", "Terminate control method\n"},
303 {1, " Tree", "Display control method calling tree\n"},
304 {1, " <Enter>", "Single step next AML opcode (over calls)\n"},
306 #ifdef ACPI_APPLICATION
307 {0, "\nFile Operations:", "\n"},
308 {1, " Close", "Close debug output file\n"},
309 {1, " Load <Input Filename>", "Load ACPI table from a file\n"},
310 {1, " Open <Output Filename>", "Open a file for debug output\n"},
311 {1, " Unload <Namepath>",
312 "Unload an ACPI table via namespace object\n"},
314 {0, "\nHardware Simulation:", "\n"},
315 {1, " EnableAcpi", "Enable ACPI (hardware) mode\n"},
316 {1, " Event <F|G> <Value>", "Generate AcpiEvent (Fixed/GPE)\n"},
317 {1, " Gpe <GpeNum> [GpeBlockDevice]", "Simulate a GPE\n"},
318 {1, " Gpes", "Display info on all GPE devices\n"},
319 {1, " Sci", "Generate an SCI\n"},
320 {1, " Sleep [SleepState]", "Simulate sleep/wake sequence(s) (0-5)\n"},
325 /*******************************************************************************
327 * FUNCTION: acpi_db_match_command_help
329 * PARAMETERS: command - Command string to match
330 * help - Help table entry to attempt match
332 * RETURN: TRUE if command matched, FALSE otherwise
334 * DESCRIPTION: Attempt to match a command in the help table in order to
335 * print help information for a single command.
337 ******************************************************************************/
340 acpi_db_match_command_help(const char *command,
341 const struct acpi_db_command_help *help)
343 char *invocation = help->invocation;
346 /* Valid commands in the help table begin with a couple of spaces */
348 if (*invocation != ' ') {
352 while (*invocation == ' ') {
356 /* Match command name (full command or substring) */
358 while ((*command) && (*invocation) && (*invocation != ' ')) {
359 if (tolower((int)*command) != tolower((int)*invocation)) {
367 /* Print the appropriate number of help lines */
369 line_count = help->line_count;
371 acpi_os_printf("%-38s : %s", help->invocation,
380 /*******************************************************************************
382 * FUNCTION: acpi_db_display_command_info
384 * PARAMETERS: command - Command string to match
385 * display_all - Display all matching commands, or just
386 * the first one (substring match)
390 * DESCRIPTION: Display help information for a Debugger command.
392 ******************************************************************************/
394 static void acpi_db_display_command_info(const char *command, u8 display_all)
396 const struct acpi_db_command_help *next;
399 next = acpi_gbl_db_command_help;
400 while (next->invocation) {
401 matched = acpi_db_match_command_help(command, next);
402 if (!display_all && matched) {
410 /*******************************************************************************
412 * FUNCTION: acpi_db_display_help
414 * PARAMETERS: command - Optional command string to display help.
415 * if not specified, all debugger command
416 * help strings are displayed
420 * DESCRIPTION: Display help for a single debugger command, or all of them.
422 ******************************************************************************/
424 static void acpi_db_display_help(char *command)
426 const struct acpi_db_command_help *next = acpi_gbl_db_command_help;
430 /* No argument to help, display help for all commands */
432 acpi_os_printf("\nSummary of AML Debugger Commands\n\n");
434 while (next->invocation) {
435 acpi_os_printf("%-38s%s", next->invocation,
439 acpi_os_printf("\n");
442 /* Display help for all commands that match the substring */
444 acpi_db_display_command_info(command, TRUE);
448 /*******************************************************************************
450 * FUNCTION: acpi_db_get_next_token
452 * PARAMETERS: string - Command buffer
453 * next - Return value, end of next token
455 * RETURN: Pointer to the start of the next token.
457 * DESCRIPTION: Command line parsing. Get the next token on the command line
459 ******************************************************************************/
461 char *acpi_db_get_next_token(char *string,
462 char **next, acpi_object_type *return_type)
466 acpi_object_type type = ACPI_TYPE_INTEGER;
468 /* At end of buffer? */
470 if (!string || !(*string)) {
474 /* Remove any spaces at the beginning, ignore blank lines */
476 while (*string && isspace((int)*string)) {
487 /* This is a quoted string, scan until closing quote */
491 type = ACPI_TYPE_STRING;
493 /* Find end of string */
495 while (*string && (*string != '"')) {
502 /* This is the start of a buffer, scan until closing paren */
506 type = ACPI_TYPE_BUFFER;
508 /* Find end of buffer */
510 while (*string && (*string != ')')) {
517 /* This is the start of a field unit, scan until closing brace */
521 type = ACPI_TYPE_FIELD_UNIT;
523 /* Find end of buffer */
525 while (*string && (*string != '}')) {
532 /* This is the start of a package, scan until closing bracket */
537 type = ACPI_TYPE_PACKAGE;
539 /* Find end of package (closing bracket) */
543 /* Handle String package elements */
545 if (*string == '"') {
546 /* Find end of string */
549 while (*string && (*string != '"')) {
555 } else if (*string == '[') {
556 depth++; /* A nested package declaration */
557 } else if (*string == ']') {
559 if (depth == 0) { /* Found final package closing bracket */
572 /* Find end of token */
574 while (*string && !isspace((int)*string)) {
591 /*******************************************************************************
593 * FUNCTION: acpi_db_get_line
595 * PARAMETERS: input_buffer - Command line buffer
597 * RETURN: Count of arguments to the command
599 * DESCRIPTION: Get the next command line from the user. Gets entire line
600 * up to the next newline
602 ******************************************************************************/
604 static u32 acpi_db_get_line(char *input_buffer)
611 if (acpi_ut_safe_strcpy
612 (acpi_gbl_db_parsed_buf, sizeof(acpi_gbl_db_parsed_buf),
615 ("Buffer overflow while parsing input line (max %u characters)\n",
616 (u32)sizeof(acpi_gbl_db_parsed_buf));
620 this = acpi_gbl_db_parsed_buf;
621 for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++) {
622 acpi_gbl_db_args[i] = acpi_db_get_next_token(this, &next,
623 &acpi_gbl_db_arg_types
625 if (!acpi_gbl_db_args[i]) {
632 /* Uppercase the actual command */
634 acpi_ut_strupr(acpi_gbl_db_args[0]);
638 count--; /* Number of args only */
644 /*******************************************************************************
646 * FUNCTION: acpi_db_match_command
648 * PARAMETERS: user_command - User command line
650 * RETURN: Index into command array, -1 if not found
652 * DESCRIPTION: Search command array for a command match
654 ******************************************************************************/
656 static u32 acpi_db_match_command(char *user_command)
660 if (!user_command || user_command[0] == 0) {
664 for (i = CMD_FIRST_VALID; acpi_gbl_db_commands[i].name; i++) {
666 (ACPI_CAST_PTR(char, acpi_gbl_db_commands[i].name),
667 user_command) == acpi_gbl_db_commands[i].name) {
672 /* Command not recognized */
674 return (CMD_NOT_FOUND);
677 /*******************************************************************************
679 * FUNCTION: acpi_db_command_dispatch
681 * PARAMETERS: input_buffer - Command line buffer
682 * walk_state - Current walk
683 * op - Current (executing) parse op
687 * DESCRIPTION: Command dispatcher.
689 ******************************************************************************/
692 acpi_db_command_dispatch(char *input_buffer,
693 struct acpi_walk_state *walk_state,
694 union acpi_parse_object *op)
701 acpi_status status = AE_CTRL_TRUE;
703 /* If acpi_terminate has been called, terminate this thread */
705 if (acpi_gbl_db_terminate_loop) {
706 return (AE_CTRL_TERMINATE);
709 /* Find command and add to the history buffer */
711 param_count = acpi_db_get_line(input_buffer);
712 command_index = acpi_db_match_command(acpi_gbl_db_args[0]);
715 * We don't want to add the !! command to the history buffer. It
716 * would cause an infinite loop because it would always be the
719 if (command_index != CMD_HISTORY_LAST) {
720 acpi_db_add_to_history(input_buffer);
723 /* Verify that we have the minimum number of params */
725 if (param_count < acpi_gbl_db_commands[command_index].min_args) {
727 ("%u parameters entered, [%s] requires %u parameters\n",
728 param_count, acpi_gbl_db_commands[command_index].name,
729 acpi_gbl_db_commands[command_index].min_args);
731 acpi_db_display_command_info(acpi_gbl_db_commands
732 [command_index].name, FALSE);
733 return (AE_CTRL_TRUE);
736 /* Decode and dispatch the command */
738 switch (command_index) {
748 acpi_os_printf("Executing all objects with NameSeg: %s\n",
749 acpi_gbl_db_args[1]);
750 acpi_db_execute(acpi_gbl_db_args[1], &acpi_gbl_db_args[2],
751 &acpi_gbl_db_arg_types[2],
752 EX_NO_SINGLE_STEP | EX_ALL);
755 case CMD_ALLOCATIONS:
757 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
758 acpi_ut_dump_allocations((u32)-1, NULL);
765 acpi_db_display_arguments();
770 acpi_db_set_method_breakpoint(acpi_gbl_db_args[1], walk_state,
776 acpi_db_get_bus_info();
781 acpi_db_set_method_call_breakpoint(op);
787 acpi_db_execute(acpi_gbl_db_args[1],
788 &acpi_gbl_db_args[2], &acpi_gbl_db_arg_types[2],
792 case CMD_DISASSEMBLE:
795 #ifdef ACPI_DISASSEMBLER
796 (void)acpi_db_disassemble_method(acpi_gbl_db_args[1]);
799 ("The AML Disassembler is not configured/present\n");
805 acpi_db_decode_and_display_object(acpi_gbl_db_args[1],
806 acpi_gbl_db_args[2]);
812 acpi_db_execute(acpi_gbl_db_args[1],
813 &acpi_gbl_db_args[2], &acpi_gbl_db_arg_types[2],
819 status = acpi_db_find_name_in_namespace(acpi_gbl_db_args[1]);
824 status = acpi_ut_strtoul64(acpi_gbl_db_args[1], &temp64);
826 if (ACPI_FAILURE(status)
827 || temp64 >= ACPI_NUM_PREDEFINED_REGIONS) {
829 ("Invalid address space ID: must be between 0 and %u inclusive\n",
830 ACPI_NUM_PREDEFINED_REGIONS - 1);
834 status = acpi_db_display_fields((u32)temp64);
839 acpi_gbl_cm_single_step = FALSE;
844 acpi_db_display_handlers();
850 acpi_db_display_help(acpi_gbl_db_args[1]);
855 acpi_db_display_history();
858 case CMD_HISTORY_EXE: /* ! command */
860 command_line = acpi_db_get_from_history(acpi_gbl_db_args[1]);
862 return (AE_CTRL_TRUE);
865 status = acpi_db_command_dispatch(command_line, walk_state, op);
868 case CMD_HISTORY_LAST: /* !! command */
870 command_line = acpi_db_get_from_history(NULL);
872 return (AE_CTRL_TRUE);
875 status = acpi_db_command_dispatch(command_line, walk_state, op);
878 case CMD_INFORMATION:
880 acpi_db_display_method_info(op);
885 acpi_db_check_integrity();
891 acpi_gbl_cm_single_step = TRUE;
898 if (param_count == 0) {
900 ("Current debug level for file output is: %8.8X\n",
901 acpi_gbl_db_debug_level);
903 ("Current debug level for console output is: %8.8X\n",
904 acpi_gbl_db_console_debug_level);
905 } else if (param_count == 2) {
906 temp = acpi_gbl_db_console_debug_level;
907 acpi_gbl_db_console_debug_level =
908 strtoul(acpi_gbl_db_args[1], NULL, 16);
910 ("Debug Level for console output was %8.8X, now %8.8X\n",
911 temp, acpi_gbl_db_console_debug_level);
913 temp = acpi_gbl_db_debug_level;
914 acpi_gbl_db_debug_level =
915 strtoul(acpi_gbl_db_args[1], NULL, 16);
917 ("Debug Level for file output was %8.8X, now %8.8X\n",
918 temp, acpi_gbl_db_debug_level);
924 #ifdef ACPI_DISASSEMBLER
925 acpi_db_disassemble_aml(acpi_gbl_db_args[1], op);
928 ("The AML Disassembler is not configured/present\n");
934 acpi_db_display_locks();
939 acpi_db_display_locals();
944 status = acpi_db_display_objects("METHOD", acpi_gbl_db_args[1]);
949 acpi_db_dump_namespace(acpi_gbl_db_args[1],
950 acpi_gbl_db_args[2]);
955 temp = strtoul(acpi_gbl_db_args[2], NULL, 0);
956 acpi_db_send_notify(acpi_gbl_db_args[1], temp);
961 acpi_ut_strupr(acpi_gbl_db_args[1]);
963 acpi_db_display_objects(acpi_gbl_db_args[1],
964 acpi_gbl_db_args[2]);
969 acpi_db_display_interfaces(acpi_gbl_db_args[1],
970 acpi_gbl_db_args[2]);
975 acpi_db_dump_namespace_by_owner(acpi_gbl_db_args[1],
976 acpi_gbl_db_args[2]);
981 acpi_db_dump_namespace_paths();
986 acpi_db_set_scope(acpi_gbl_db_args[1]);
991 acpi_db_find_references(acpi_gbl_db_args[1]);
996 acpi_db_display_resources(acpi_gbl_db_args[1]);
1001 acpi_db_display_results();
1006 acpi_db_set_method_data(acpi_gbl_db_args[1],
1007 acpi_gbl_db_args[2],
1008 acpi_gbl_db_args[3]);
1013 status = acpi_db_display_statistics(acpi_gbl_db_args[1]);
1018 return (AE_NOT_IMPLEMENTED);
1022 acpi_db_display_table_info(acpi_gbl_db_args[1]);
1027 acpi_db_display_template(acpi_gbl_db_args[1]);
1032 acpi_db_trace(acpi_gbl_db_args[1], acpi_gbl_db_args[2],
1033 acpi_gbl_db_args[3]);
1038 acpi_db_display_calling_tree();
1043 acpi_db_display_object_type(acpi_gbl_db_args[1]);
1046 #ifdef ACPI_APPLICATION
1048 /* Hardware simulation commands. */
1050 case CMD_ENABLEACPI:
1051 #if (!ACPI_REDUCED_HARDWARE)
1053 status = acpi_enable();
1054 if (ACPI_FAILURE(status)) {
1055 acpi_os_printf("AcpiEnable failed (Status=%X)\n",
1059 #endif /* !ACPI_REDUCED_HARDWARE */
1064 acpi_os_printf("Event command not implemented\n");
1069 acpi_db_generate_gpe(acpi_gbl_db_args[1], acpi_gbl_db_args[2]);
1074 acpi_db_display_gpes();
1079 acpi_db_generate_sci();
1084 status = acpi_db_sleep(acpi_gbl_db_args[1]);
1087 /* File I/O commands. */
1091 acpi_db_close_debug_file();
1095 struct acpi_new_table_desc *list_head = NULL;
1098 ac_get_all_tables_from_file(acpi_gbl_db_args[1],
1099 ACPI_GET_ALL_TABLES,
1101 if (ACPI_SUCCESS(status)) {
1102 acpi_db_load_tables(list_head);
1109 acpi_db_open_debug_file(acpi_gbl_db_args[1]);
1112 /* User space commands. */
1116 acpi_db_set_output_destination(ACPI_DB_REDIRECTABLE_OUTPUT);
1117 acpi_ut_subsystem_shutdown();
1120 * TBD: [Restructure] Need some way to re-initialize without
1121 * re-creating the semaphores!
1124 acpi_gbl_db_terminate_loop = TRUE;
1125 /* acpi_initialize (NULL); */
1128 case CMD_BACKGROUND:
1130 acpi_db_create_execution_thread(acpi_gbl_db_args[1],
1131 &acpi_gbl_db_args[2],
1132 &acpi_gbl_db_arg_types[2]);
1137 acpi_db_create_execution_threads(acpi_gbl_db_args[1],
1138 acpi_gbl_db_args[2],
1139 acpi_gbl_db_args[3]);
1142 /* Debug test commands. */
1144 case CMD_PREDEFINED:
1146 acpi_db_check_predefined_names();
1151 acpi_db_execute_test(acpi_gbl_db_args[1]);
1156 acpi_db_unload_acpi_table(acpi_gbl_db_args[1]);
1164 acpi_os_printf("Method execution terminated\n");
1165 return (AE_CTRL_TERMINATE);
1168 if (!acpi_gbl_db_output_to_file) {
1169 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
1171 #ifdef ACPI_APPLICATION
1172 acpi_db_close_debug_file();
1174 acpi_gbl_db_terminate_loop = TRUE;
1175 return (AE_CTRL_TERMINATE);
1180 acpi_os_printf("%s: unknown command\n", acpi_gbl_db_args[0]);
1181 return (AE_CTRL_TRUE);
1184 if (ACPI_SUCCESS(status)) {
1185 status = AE_CTRL_TRUE;
1191 /*******************************************************************************
1193 * FUNCTION: acpi_db_execute_thread
1195 * PARAMETERS: context - Not used
1199 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1200 * simply dispatches it.
1202 ******************************************************************************/
1204 void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context)
1207 (void)acpi_db_user_commands();
1208 acpi_gbl_db_threads_terminated = TRUE;
1211 /*******************************************************************************
1213 * FUNCTION: acpi_db_user_commands
1219 * DESCRIPTION: Command line execution for the AML debugger. Commands are
1220 * matched and dispatched here.
1222 ******************************************************************************/
1224 acpi_status acpi_db_user_commands(void)
1226 acpi_status status = AE_OK;
1228 acpi_os_printf("\n");
1230 /* TBD: [Restructure] Need a separate command line buffer for step mode */
1232 while (!acpi_gbl_db_terminate_loop) {
1234 /* Wait the readiness of the command */
1236 status = acpi_os_wait_command_ready();
1237 if (ACPI_FAILURE(status)) {
1241 /* Just call to the command line interpreter */
1243 acpi_gbl_method_executing = FALSE;
1244 acpi_gbl_step_to_next_call = FALSE;
1246 (void)acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL,
1249 /* Notify the completion of the command */
1251 status = acpi_os_notify_command_complete();
1252 if (ACPI_FAILURE(status)) {
1257 if (ACPI_FAILURE(status) && status != AE_CTRL_TERMINATE) {
1258 ACPI_EXCEPTION((AE_INFO, status, "While parsing command line"));