Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | * |
| 3 | * Module Name: dbinput - user front-end to the AML debugger |
| 4 | * |
| 5 | ******************************************************************************/ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (C) 2000 - 2015, Intel Corp. |
| 9 | * All rights reserved. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 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. |
| 25 | * |
| 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. |
| 29 | * |
| 30 | * NO WARRANTY |
| 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 |
| 34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 41 | * POSSIBILITY OF SUCH DAMAGES. |
| 42 | */ |
| 43 | |
| 44 | #include <acpi/acpi.h> |
| 45 | #include "accommon.h" |
| 46 | #include "acdebug.h" |
| 47 | |
| 48 | #define _COMPONENT ACPI_CA_DEBUGGER |
| 49 | ACPI_MODULE_NAME("dbinput") |
| 50 | |
| 51 | /* Local prototypes */ |
| 52 | static u32 acpi_db_get_line(char *input_buffer); |
| 53 | |
| 54 | static u32 acpi_db_match_command(char *user_command); |
| 55 | |
| 56 | static void acpi_db_single_thread(void); |
| 57 | |
| 58 | static void acpi_db_display_command_info(char *command, u8 display_all); |
| 59 | |
| 60 | static void acpi_db_display_help(char *command); |
| 61 | |
| 62 | static u8 |
| 63 | acpi_db_match_command_help(char *command, |
| 64 | const struct acpi_db_command_help *help); |
| 65 | |
| 66 | /* |
| 67 | * Top-level debugger commands. |
| 68 | * |
| 69 | * This list of commands must match the string table below it |
| 70 | */ |
| 71 | enum acpi_ex_debugger_commands { |
| 72 | CMD_NOT_FOUND = 0, |
| 73 | CMD_NULL, |
| 74 | CMD_ALLOCATIONS, |
| 75 | CMD_ARGS, |
| 76 | CMD_ARGUMENTS, |
| 77 | CMD_BREAKPOINT, |
| 78 | CMD_BUSINFO, |
| 79 | CMD_CALL, |
| 80 | CMD_DEBUG, |
| 81 | CMD_DISASSEMBLE, |
| 82 | CMD_DISASM, |
| 83 | CMD_DUMP, |
| 84 | CMD_EVALUATE, |
| 85 | CMD_EXECUTE, |
| 86 | CMD_EXIT, |
| 87 | CMD_FIND, |
| 88 | CMD_GO, |
| 89 | CMD_HANDLERS, |
| 90 | CMD_HELP, |
| 91 | CMD_HELP2, |
| 92 | CMD_HISTORY, |
| 93 | CMD_HISTORY_EXE, |
| 94 | CMD_HISTORY_LAST, |
| 95 | CMD_INFORMATION, |
| 96 | CMD_INTEGRITY, |
| 97 | CMD_INTO, |
| 98 | CMD_LEVEL, |
| 99 | CMD_LIST, |
| 100 | CMD_LOCALS, |
| 101 | CMD_LOCKS, |
| 102 | CMD_METHODS, |
| 103 | CMD_NAMESPACE, |
| 104 | CMD_NOTIFY, |
| 105 | CMD_OBJECTS, |
| 106 | CMD_OSI, |
| 107 | CMD_OWNER, |
| 108 | CMD_PATHS, |
| 109 | CMD_PREDEFINED, |
| 110 | CMD_PREFIX, |
| 111 | CMD_QUIT, |
| 112 | CMD_REFERENCES, |
| 113 | CMD_RESOURCES, |
| 114 | CMD_RESULTS, |
| 115 | CMD_SET, |
| 116 | CMD_STATS, |
| 117 | CMD_STOP, |
| 118 | CMD_TABLES, |
| 119 | CMD_TEMPLATE, |
| 120 | CMD_TRACE, |
| 121 | CMD_TREE, |
| 122 | CMD_TYPE, |
| 123 | #ifdef ACPI_APPLICATION |
| 124 | CMD_ENABLEACPI, |
| 125 | CMD_EVENT, |
| 126 | CMD_GPE, |
| 127 | CMD_GPES, |
| 128 | CMD_SCI, |
| 129 | CMD_SLEEP, |
| 130 | |
| 131 | CMD_CLOSE, |
| 132 | CMD_LOAD, |
| 133 | CMD_OPEN, |
| 134 | CMD_UNLOAD, |
| 135 | |
| 136 | CMD_TERMINATE, |
| 137 | CMD_THREADS, |
| 138 | |
| 139 | CMD_TEST, |
| 140 | #endif |
| 141 | }; |
| 142 | |
| 143 | #define CMD_FIRST_VALID 2 |
| 144 | |
| 145 | /* Second parameter is the required argument count */ |
| 146 | |
| 147 | static const struct acpi_db_command_info acpi_gbl_db_commands[] = { |
| 148 | {"<NOT FOUND>", 0}, |
| 149 | {"<NULL>", 0}, |
| 150 | {"ALLOCATIONS", 0}, |
| 151 | {"ARGS", 0}, |
| 152 | {"ARGUMENTS", 0}, |
| 153 | {"BREAKPOINT", 1}, |
| 154 | {"BUSINFO", 0}, |
| 155 | {"CALL", 0}, |
| 156 | {"DEBUG", 1}, |
| 157 | {"DISASSEMBLE", 1}, |
| 158 | {"DISASM", 1}, |
| 159 | {"DUMP", 1}, |
| 160 | {"EVALUATE", 1}, |
| 161 | {"EXECUTE", 1}, |
| 162 | {"EXIT", 0}, |
| 163 | {"FIND", 1}, |
| 164 | {"GO", 0}, |
| 165 | {"HANDLERS", 0}, |
| 166 | {"HELP", 0}, |
| 167 | {"?", 0}, |
| 168 | {"HISTORY", 0}, |
| 169 | {"!", 1}, |
| 170 | {"!!", 0}, |
| 171 | {"INFORMATION", 0}, |
| 172 | {"INTEGRITY", 0}, |
| 173 | {"INTO", 0}, |
| 174 | {"LEVEL", 0}, |
| 175 | {"LIST", 0}, |
| 176 | {"LOCALS", 0}, |
| 177 | {"LOCKS", 0}, |
| 178 | {"METHODS", 0}, |
| 179 | {"NAMESPACE", 0}, |
| 180 | {"NOTIFY", 2}, |
| 181 | {"OBJECTS", 0}, |
| 182 | {"OSI", 0}, |
| 183 | {"OWNER", 1}, |
| 184 | {"PATHS", 0}, |
| 185 | {"PREDEFINED", 0}, |
| 186 | {"PREFIX", 0}, |
| 187 | {"QUIT", 0}, |
| 188 | {"REFERENCES", 1}, |
| 189 | {"RESOURCES", 0}, |
| 190 | {"RESULTS", 0}, |
| 191 | {"SET", 3}, |
| 192 | {"STATS", 1}, |
| 193 | {"STOP", 0}, |
| 194 | {"TABLES", 0}, |
| 195 | {"TEMPLATE", 1}, |
| 196 | {"TRACE", 1}, |
| 197 | {"TREE", 0}, |
| 198 | {"TYPE", 1}, |
| 199 | #ifdef ACPI_APPLICATION |
| 200 | {"ENABLEACPI", 0}, |
| 201 | {"EVENT", 1}, |
| 202 | {"GPE", 1}, |
| 203 | {"GPES", 0}, |
| 204 | {"SCI", 0}, |
| 205 | {"SLEEP", 0}, |
| 206 | |
| 207 | {"CLOSE", 0}, |
| 208 | {"LOAD", 1}, |
| 209 | {"OPEN", 1}, |
| 210 | {"UNLOAD", 1}, |
| 211 | |
| 212 | {"TERMINATE", 0}, |
| 213 | {"THREADS", 3}, |
| 214 | |
| 215 | {"TEST", 1}, |
| 216 | #endif |
| 217 | {NULL, 0} |
| 218 | }; |
| 219 | |
| 220 | /* |
| 221 | * Help for all debugger commands. First argument is the number of lines |
| 222 | * of help to output for the command. |
| 223 | */ |
| 224 | static const struct acpi_db_command_help acpi_gbl_db_command_help[] = { |
| 225 | {0, "\nGeneral-Purpose Commands:", "\n"}, |
| 226 | {1, " Allocations", "Display list of current memory allocations\n"}, |
| 227 | {2, " Dump <Address>|<Namepath>", "\n"}, |
| 228 | {0, " [Byte|Word|Dword|Qword]", |
| 229 | "Display ACPI objects or memory\n"}, |
| 230 | {1, " Handlers", "Info about global handlers\n"}, |
| 231 | {1, " Help [Command]", "This help screen or individual command\n"}, |
| 232 | {1, " History", "Display command history buffer\n"}, |
| 233 | {1, " Level <DebugLevel>] [console]", |
| 234 | "Get/Set debug level for file or console\n"}, |
| 235 | {1, " Locks", "Current status of internal mutexes\n"}, |
| 236 | {1, " Osi [Install|Remove <name>]", |
| 237 | "Display or modify global _OSI list\n"}, |
| 238 | {1, " Quit or Exit", "Exit this command\n"}, |
| 239 | {8, " Stats <SubCommand>", |
| 240 | "Display namespace and memory statistics\n"}, |
| 241 | {1, " Allocations", "Display list of current memory allocations\n"}, |
| 242 | {1, " Memory", "Dump internal memory lists\n"}, |
| 243 | {1, " Misc", "Namespace search and mutex stats\n"}, |
| 244 | {1, " Objects", "Summary of namespace objects\n"}, |
| 245 | {1, " Sizes", "Sizes for each of the internal objects\n"}, |
| 246 | {1, " Stack", "Display CPU stack usage\n"}, |
| 247 | {1, " Tables", "Info about current ACPI table(s)\n"}, |
| 248 | {1, " Tables", "Display info about loaded ACPI tables\n"}, |
| 249 | {1, " ! <CommandNumber>", "Execute command from history buffer\n"}, |
| 250 | {1, " !!", "Execute last command again\n"}, |
| 251 | |
| 252 | {0, "\nNamespace Access Commands:", "\n"}, |
| 253 | {1, " Businfo", "Display system bus info\n"}, |
| 254 | {1, " Disassemble <Method>", "Disassemble a control method\n"}, |
| 255 | {1, " Find <AcpiName> (? is wildcard)", |
| 256 | "Find ACPI name(s) with wildcards\n"}, |
| 257 | {1, " Integrity", "Validate namespace integrity\n"}, |
| 258 | {1, " Methods", "Display list of loaded control methods\n"}, |
| 259 | {1, " Namespace [Object] [Depth]", |
| 260 | "Display loaded namespace tree/subtree\n"}, |
| 261 | {1, " Notify <Object> <Value>", "Send a notification on Object\n"}, |
| 262 | {1, " Objects [ObjectType]", |
| 263 | "Display summary of all objects or just given type\n"}, |
| 264 | {1, " Owner <OwnerId> [Depth]", |
| 265 | "Display loaded namespace by object owner\n"}, |
| 266 | {1, " Paths", "Display full pathnames of namespace objects\n"}, |
| 267 | {1, " Predefined", "Check all predefined names\n"}, |
| 268 | {1, " Prefix [<Namepath>]", "Set or Get current execution prefix\n"}, |
| 269 | {1, " References <Addr>", "Find all references to object at addr\n"}, |
| 270 | {1, " Resources [DeviceName]", |
| 271 | "Display Device resources (no arg = all devices)\n"}, |
| 272 | {1, " Set N <NamedObject> <Value>", "Set value for named integer\n"}, |
| 273 | {1, " Template <Object>", "Format/dump a Buffer/ResourceTemplate\n"}, |
| 274 | {1, " Type <Object>", "Display object type\n"}, |
| 275 | |
| 276 | {0, "\nControl Method Execution Commands:", "\n"}, |
| 277 | {1, " Arguments (or Args)", "Display method arguments\n"}, |
| 278 | {1, " Breakpoint <AmlOffset>", "Set an AML execution breakpoint\n"}, |
| 279 | {1, " Call", "Run to next control method invocation\n"}, |
| 280 | {1, " Debug <Namepath> [Arguments]", "Single Step a control method\n"}, |
| 281 | {6, " Evaluate", "Synonym for Execute\n"}, |
| 282 | {5, " Execute <Namepath> [Arguments]", "Execute control method\n"}, |
| 283 | {1, " Hex Integer", "Integer method argument\n"}, |
| 284 | {1, " \"Ascii String\"", "String method argument\n"}, |
| 285 | {1, " (Hex Byte List)", "Buffer method argument\n"}, |
| 286 | {1, " [Package Element List]", "Package method argument\n"}, |
| 287 | {1, " Go", "Allow method to run to completion\n"}, |
| 288 | {1, " Information", "Display info about the current method\n"}, |
| 289 | {1, " Into", "Step into (not over) a method call\n"}, |
| 290 | {1, " List [# of Aml Opcodes]", "Display method ASL statements\n"}, |
| 291 | {1, " Locals", "Display method local variables\n"}, |
| 292 | {1, " Results", "Display method result stack\n"}, |
| 293 | {1, " Set <A|L> <#> <Value>", "Set method data (Arguments/Locals)\n"}, |
| 294 | {1, " Stop", "Terminate control method\n"}, |
| 295 | {5, " Trace <State> [<Namepath>] [Once]", |
| 296 | "Trace control method execution\n"}, |
| 297 | {1, " Enable", "Enable all messages\n"}, |
| 298 | {1, " Disable", "Disable tracing\n"}, |
| 299 | {1, " Method", "Enable method execution messages\n"}, |
| 300 | {1, " Opcode", "Enable opcode execution messages\n"}, |
| 301 | {1, " Tree", "Display control method calling tree\n"}, |
| 302 | {1, " <Enter>", "Single step next AML opcode (over calls)\n"}, |
| 303 | |
| 304 | #ifdef ACPI_APPLICATION |
| 305 | {0, "\nHardware Simulation Commands:", "\n"}, |
| 306 | {1, " EnableAcpi", "Enable ACPI (hardware) mode\n"}, |
| 307 | {1, " Event <F|G> <Value>", "Generate AcpiEvent (Fixed/GPE)\n"}, |
| 308 | {1, " Gpe <GpeNum> [GpeBlockDevice]", "Simulate a GPE\n"}, |
| 309 | {1, " Gpes", "Display info on all GPE devices\n"}, |
| 310 | {1, " Sci", "Generate an SCI\n"}, |
| 311 | {1, " Sleep [SleepState]", "Simulate sleep/wake sequence(s) (0-5)\n"}, |
| 312 | |
| 313 | {0, "\nFile I/O Commands:", "\n"}, |
| 314 | {1, " Close", "Close debug output file\n"}, |
| 315 | {1, " Load <Input Filename>", "Load ACPI table from a file\n"}, |
| 316 | {1, " Open <Output Filename>", "Open a file for debug output\n"}, |
| 317 | {1, " Unload <Namepath>", |
| 318 | "Unload an ACPI table via namespace object\n"}, |
| 319 | |
| 320 | {0, "\nUser Space Commands:", "\n"}, |
| 321 | {1, " Terminate", "Delete namespace and all internal objects\n"}, |
| 322 | {1, " Thread <Threads><Loops><NamePath>", |
| 323 | "Spawn threads to execute method(s)\n"}, |
| 324 | |
| 325 | {0, "\nDebug Test Commands:", "\n"}, |
| 326 | {3, " Test <TestName>", "Invoke a debug test\n"}, |
| 327 | {1, " Objects", "Read/write/compare all namespace data objects\n"}, |
| 328 | {1, " Predefined", |
| 329 | "Execute all ACPI predefined names (_STA, etc.)\n"}, |
| 330 | #endif |
| 331 | {0, NULL, NULL} |
| 332 | }; |
| 333 | |
| 334 | /******************************************************************************* |
| 335 | * |
| 336 | * FUNCTION: acpi_db_match_command_help |
| 337 | * |
| 338 | * PARAMETERS: command - Command string to match |
| 339 | * help - Help table entry to attempt match |
| 340 | * |
| 341 | * RETURN: TRUE if command matched, FALSE otherwise |
| 342 | * |
| 343 | * DESCRIPTION: Attempt to match a command in the help table in order to |
| 344 | * print help information for a single command. |
| 345 | * |
| 346 | ******************************************************************************/ |
| 347 | |
| 348 | static u8 |
| 349 | acpi_db_match_command_help(char *command, |
| 350 | const struct acpi_db_command_help *help) |
| 351 | { |
| 352 | char *invocation = help->invocation; |
| 353 | u32 line_count; |
| 354 | |
| 355 | /* Valid commands in the help table begin with a couple of spaces */ |
| 356 | |
| 357 | if (*invocation != ' ') { |
| 358 | return (FALSE); |
| 359 | } |
| 360 | |
| 361 | while (*invocation == ' ') { |
| 362 | invocation++; |
| 363 | } |
| 364 | |
| 365 | /* Match command name (full command or substring) */ |
| 366 | |
| 367 | while ((*command) && (*invocation) && (*invocation != ' ')) { |
| 368 | if (tolower((int)*command) != tolower((int)*invocation)) { |
| 369 | return (FALSE); |
| 370 | } |
| 371 | |
| 372 | invocation++; |
| 373 | command++; |
| 374 | } |
| 375 | |
| 376 | /* Print the appropriate number of help lines */ |
| 377 | |
| 378 | line_count = help->line_count; |
| 379 | while (line_count) { |
| 380 | acpi_os_printf("%-38s : %s", help->invocation, |
| 381 | help->description); |
| 382 | help++; |
| 383 | line_count--; |
| 384 | } |
| 385 | |
| 386 | return (TRUE); |
| 387 | } |
| 388 | |
| 389 | /******************************************************************************* |
| 390 | * |
| 391 | * FUNCTION: acpi_db_display_command_info |
| 392 | * |
| 393 | * PARAMETERS: command - Command string to match |
| 394 | * display_all - Display all matching commands, or just |
| 395 | * the first one (substring match) |
| 396 | * |
| 397 | * RETURN: None |
| 398 | * |
| 399 | * DESCRIPTION: Display help information for a Debugger command. |
| 400 | * |
| 401 | ******************************************************************************/ |
| 402 | |
| 403 | static void acpi_db_display_command_info(char *command, u8 display_all) |
| 404 | { |
| 405 | const struct acpi_db_command_help *next; |
| 406 | u8 matched; |
| 407 | |
| 408 | next = acpi_gbl_db_command_help; |
| 409 | while (next->invocation) { |
| 410 | matched = acpi_db_match_command_help(command, next); |
| 411 | if (!display_all && matched) { |
| 412 | return; |
| 413 | } |
| 414 | |
| 415 | next++; |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | /******************************************************************************* |
| 420 | * |
| 421 | * FUNCTION: acpi_db_display_help |
| 422 | * |
| 423 | * PARAMETERS: command - Optional command string to display help. |
| 424 | * if not specified, all debugger command |
| 425 | * help strings are displayed |
| 426 | * |
| 427 | * RETURN: None |
| 428 | * |
| 429 | * DESCRIPTION: Display help for a single debugger command, or all of them. |
| 430 | * |
| 431 | ******************************************************************************/ |
| 432 | |
| 433 | static void acpi_db_display_help(char *command) |
| 434 | { |
| 435 | const struct acpi_db_command_help *next = acpi_gbl_db_command_help; |
| 436 | |
| 437 | if (!command) { |
| 438 | |
| 439 | /* No argument to help, display help for all commands */ |
| 440 | |
| 441 | while (next->invocation) { |
| 442 | acpi_os_printf("%-38s%s", next->invocation, |
| 443 | next->description); |
| 444 | next++; |
| 445 | } |
| 446 | } else { |
| 447 | /* Display help for all commands that match the subtring */ |
| 448 | |
| 449 | acpi_db_display_command_info(command, TRUE); |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | /******************************************************************************* |
| 454 | * |
| 455 | * FUNCTION: acpi_db_get_next_token |
| 456 | * |
| 457 | * PARAMETERS: string - Command buffer |
| 458 | * next - Return value, end of next token |
| 459 | * |
| 460 | * RETURN: Pointer to the start of the next token. |
| 461 | * |
| 462 | * DESCRIPTION: Command line parsing. Get the next token on the command line |
| 463 | * |
| 464 | ******************************************************************************/ |
| 465 | |
| 466 | char *acpi_db_get_next_token(char *string, |
| 467 | char **next, acpi_object_type * return_type) |
| 468 | { |
| 469 | char *start; |
| 470 | u32 depth; |
| 471 | acpi_object_type type = ACPI_TYPE_INTEGER; |
| 472 | |
| 473 | /* At end of buffer? */ |
| 474 | |
| 475 | if (!string || !(*string)) { |
| 476 | return (NULL); |
| 477 | } |
| 478 | |
| 479 | /* Remove any spaces at the beginning */ |
| 480 | |
| 481 | if (*string == ' ') { |
| 482 | while (*string && (*string == ' ')) { |
| 483 | string++; |
| 484 | } |
| 485 | |
| 486 | if (!(*string)) { |
| 487 | return (NULL); |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | switch (*string) { |
| 492 | case '"': |
| 493 | |
| 494 | /* This is a quoted string, scan until closing quote */ |
| 495 | |
| 496 | string++; |
| 497 | start = string; |
| 498 | type = ACPI_TYPE_STRING; |
| 499 | |
| 500 | /* Find end of string */ |
| 501 | |
| 502 | while (*string && (*string != '"')) { |
| 503 | string++; |
| 504 | } |
| 505 | break; |
| 506 | |
| 507 | case '(': |
| 508 | |
| 509 | /* This is the start of a buffer, scan until closing paren */ |
| 510 | |
| 511 | string++; |
| 512 | start = string; |
| 513 | type = ACPI_TYPE_BUFFER; |
| 514 | |
| 515 | /* Find end of buffer */ |
| 516 | |
| 517 | while (*string && (*string != ')')) { |
| 518 | string++; |
| 519 | } |
| 520 | break; |
| 521 | |
| 522 | case '[': |
| 523 | |
| 524 | /* This is the start of a package, scan until closing bracket */ |
| 525 | |
| 526 | string++; |
| 527 | depth = 1; |
| 528 | start = string; |
| 529 | type = ACPI_TYPE_PACKAGE; |
| 530 | |
| 531 | /* Find end of package (closing bracket) */ |
| 532 | |
| 533 | while (*string) { |
| 534 | |
| 535 | /* Handle String package elements */ |
| 536 | |
| 537 | if (*string == '"') { |
| 538 | /* Find end of string */ |
| 539 | |
| 540 | string++; |
| 541 | while (*string && (*string != '"')) { |
| 542 | string++; |
| 543 | } |
| 544 | if (!(*string)) { |
| 545 | break; |
| 546 | } |
| 547 | } else if (*string == '[') { |
| 548 | depth++; /* A nested package declaration */ |
| 549 | } else if (*string == ']') { |
| 550 | depth--; |
| 551 | if (depth == 0) { /* Found final package closing bracket */ |
| 552 | break; |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | string++; |
| 557 | } |
| 558 | break; |
| 559 | |
| 560 | default: |
| 561 | |
| 562 | start = string; |
| 563 | |
| 564 | /* Find end of token */ |
| 565 | |
| 566 | while (*string && (*string != ' ')) { |
| 567 | string++; |
| 568 | } |
| 569 | break; |
| 570 | } |
| 571 | |
| 572 | if (!(*string)) { |
| 573 | *next = NULL; |
| 574 | } else { |
| 575 | *string = 0; |
| 576 | *next = string + 1; |
| 577 | } |
| 578 | |
| 579 | *return_type = type; |
| 580 | return (start); |
| 581 | } |
| 582 | |
| 583 | /******************************************************************************* |
| 584 | * |
| 585 | * FUNCTION: acpi_db_get_line |
| 586 | * |
| 587 | * PARAMETERS: input_buffer - Command line buffer |
| 588 | * |
| 589 | * RETURN: Count of arguments to the command |
| 590 | * |
| 591 | * DESCRIPTION: Get the next command line from the user. Gets entire line |
| 592 | * up to the next newline |
| 593 | * |
| 594 | ******************************************************************************/ |
| 595 | |
| 596 | static u32 acpi_db_get_line(char *input_buffer) |
| 597 | { |
| 598 | u32 i; |
| 599 | u32 count; |
| 600 | char *next; |
| 601 | char *this; |
| 602 | |
| 603 | if (acpi_ut_safe_strcpy |
| 604 | (acpi_gbl_db_parsed_buf, sizeof(acpi_gbl_db_parsed_buf), |
| 605 | input_buffer)) { |
| 606 | acpi_os_printf |
| 607 | ("Buffer overflow while parsing input line (max %u characters)\n", |
| 608 | sizeof(acpi_gbl_db_parsed_buf)); |
| 609 | return (0); |
| 610 | } |
| 611 | |
| 612 | this = acpi_gbl_db_parsed_buf; |
| 613 | for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++) { |
| 614 | acpi_gbl_db_args[i] = acpi_db_get_next_token(this, &next, |
| 615 | &acpi_gbl_db_arg_types |
| 616 | [i]); |
| 617 | if (!acpi_gbl_db_args[i]) { |
| 618 | break; |
| 619 | } |
| 620 | |
| 621 | this = next; |
| 622 | } |
| 623 | |
| 624 | /* Uppercase the actual command */ |
| 625 | |
| 626 | if (acpi_gbl_db_args[0]) { |
| 627 | acpi_ut_strupr(acpi_gbl_db_args[0]); |
| 628 | } |
| 629 | |
| 630 | count = i; |
| 631 | if (count) { |
| 632 | count--; /* Number of args only */ |
| 633 | } |
| 634 | |
| 635 | return (count); |
| 636 | } |
| 637 | |
| 638 | /******************************************************************************* |
| 639 | * |
| 640 | * FUNCTION: acpi_db_match_command |
| 641 | * |
| 642 | * PARAMETERS: user_command - User command line |
| 643 | * |
| 644 | * RETURN: Index into command array, -1 if not found |
| 645 | * |
| 646 | * DESCRIPTION: Search command array for a command match |
| 647 | * |
| 648 | ******************************************************************************/ |
| 649 | |
| 650 | static u32 acpi_db_match_command(char *user_command) |
| 651 | { |
| 652 | u32 i; |
| 653 | |
| 654 | if (!user_command || user_command[0] == 0) { |
| 655 | return (CMD_NULL); |
| 656 | } |
| 657 | |
| 658 | for (i = CMD_FIRST_VALID; acpi_gbl_db_commands[i].name; i++) { |
| 659 | if (strstr(acpi_gbl_db_commands[i].name, user_command) == |
| 660 | acpi_gbl_db_commands[i].name) { |
| 661 | return (i); |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | /* Command not recognized */ |
| 666 | |
| 667 | return (CMD_NOT_FOUND); |
| 668 | } |
| 669 | |
| 670 | /******************************************************************************* |
| 671 | * |
| 672 | * FUNCTION: acpi_db_command_dispatch |
| 673 | * |
| 674 | * PARAMETERS: input_buffer - Command line buffer |
| 675 | * walk_state - Current walk |
| 676 | * op - Current (executing) parse op |
| 677 | * |
| 678 | * RETURN: Status |
| 679 | * |
| 680 | * DESCRIPTION: Command dispatcher. |
| 681 | * |
| 682 | ******************************************************************************/ |
| 683 | |
| 684 | acpi_status |
| 685 | acpi_db_command_dispatch(char *input_buffer, |
| 686 | struct acpi_walk_state * walk_state, |
| 687 | union acpi_parse_object * op) |
| 688 | { |
| 689 | u32 temp; |
| 690 | u32 command_index; |
| 691 | u32 param_count; |
| 692 | char *command_line; |
| 693 | acpi_status status = AE_CTRL_TRUE; |
| 694 | |
| 695 | /* If acpi_terminate has been called, terminate this thread */ |
| 696 | |
Lv Zheng | af08f9c | 2015-10-19 10:25:32 +0800 | [diff] [blame] | 697 | if (acpi_gbl_db_terminate_loop) { |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 698 | return (AE_CTRL_TERMINATE); |
| 699 | } |
| 700 | |
| 701 | /* Find command and add to the history buffer */ |
| 702 | |
| 703 | param_count = acpi_db_get_line(input_buffer); |
| 704 | command_index = acpi_db_match_command(acpi_gbl_db_args[0]); |
| 705 | temp = 0; |
| 706 | |
| 707 | /* |
| 708 | * We don't want to add the !! command to the history buffer. It |
| 709 | * would cause an infinite loop because it would always be the |
| 710 | * previous command. |
| 711 | */ |
| 712 | if (command_index != CMD_HISTORY_LAST) { |
| 713 | acpi_db_add_to_history(input_buffer); |
| 714 | } |
| 715 | |
| 716 | /* Verify that we have the minimum number of params */ |
| 717 | |
| 718 | if (param_count < acpi_gbl_db_commands[command_index].min_args) { |
| 719 | acpi_os_printf |
| 720 | ("%u parameters entered, [%s] requires %u parameters\n", |
| 721 | param_count, acpi_gbl_db_commands[command_index].name, |
| 722 | acpi_gbl_db_commands[command_index].min_args); |
| 723 | |
| 724 | acpi_db_display_command_info(acpi_gbl_db_commands |
| 725 | [command_index].name, FALSE); |
| 726 | return (AE_CTRL_TRUE); |
| 727 | } |
| 728 | |
| 729 | /* Decode and dispatch the command */ |
| 730 | |
| 731 | switch (command_index) { |
| 732 | case CMD_NULL: |
| 733 | |
| 734 | if (op) { |
| 735 | return (AE_OK); |
| 736 | } |
| 737 | break; |
| 738 | |
| 739 | case CMD_ALLOCATIONS: |
| 740 | |
| 741 | #ifdef ACPI_DBG_TRACK_ALLOCATIONS |
| 742 | acpi_ut_dump_allocations((u32)-1, NULL); |
| 743 | #endif |
| 744 | break; |
| 745 | |
| 746 | case CMD_ARGS: |
| 747 | case CMD_ARGUMENTS: |
| 748 | |
| 749 | acpi_db_display_arguments(); |
| 750 | break; |
| 751 | |
| 752 | case CMD_BREAKPOINT: |
| 753 | |
| 754 | acpi_db_set_method_breakpoint(acpi_gbl_db_args[1], walk_state, |
| 755 | op); |
| 756 | break; |
| 757 | |
| 758 | case CMD_BUSINFO: |
| 759 | |
| 760 | acpi_db_get_bus_info(); |
| 761 | break; |
| 762 | |
| 763 | case CMD_CALL: |
| 764 | |
| 765 | acpi_db_set_method_call_breakpoint(op); |
| 766 | status = AE_OK; |
| 767 | break; |
| 768 | |
| 769 | case CMD_DEBUG: |
| 770 | |
| 771 | acpi_db_execute(acpi_gbl_db_args[1], |
| 772 | &acpi_gbl_db_args[2], &acpi_gbl_db_arg_types[2], |
| 773 | EX_SINGLE_STEP); |
| 774 | break; |
| 775 | |
| 776 | case CMD_DISASSEMBLE: |
| 777 | case CMD_DISASM: |
| 778 | |
| 779 | (void)acpi_db_disassemble_method(acpi_gbl_db_args[1]); |
| 780 | break; |
| 781 | |
| 782 | case CMD_DUMP: |
| 783 | |
| 784 | acpi_db_decode_and_display_object(acpi_gbl_db_args[1], |
| 785 | acpi_gbl_db_args[2]); |
| 786 | break; |
| 787 | |
| 788 | case CMD_EVALUATE: |
| 789 | case CMD_EXECUTE: |
| 790 | |
| 791 | acpi_db_execute(acpi_gbl_db_args[1], |
| 792 | &acpi_gbl_db_args[2], &acpi_gbl_db_arg_types[2], |
| 793 | EX_NO_SINGLE_STEP); |
| 794 | break; |
| 795 | |
| 796 | case CMD_FIND: |
| 797 | |
| 798 | status = acpi_db_find_name_in_namespace(acpi_gbl_db_args[1]); |
| 799 | break; |
| 800 | |
| 801 | case CMD_GO: |
| 802 | |
| 803 | acpi_gbl_cm_single_step = FALSE; |
| 804 | return (AE_OK); |
| 805 | |
| 806 | case CMD_HANDLERS: |
| 807 | |
| 808 | acpi_db_display_handlers(); |
| 809 | break; |
| 810 | |
| 811 | case CMD_HELP: |
| 812 | case CMD_HELP2: |
| 813 | |
| 814 | acpi_db_display_help(acpi_gbl_db_args[1]); |
| 815 | break; |
| 816 | |
| 817 | case CMD_HISTORY: |
| 818 | |
| 819 | acpi_db_display_history(); |
| 820 | break; |
| 821 | |
| 822 | case CMD_HISTORY_EXE: /* ! command */ |
| 823 | |
| 824 | command_line = acpi_db_get_from_history(acpi_gbl_db_args[1]); |
| 825 | if (!command_line) { |
| 826 | return (AE_CTRL_TRUE); |
| 827 | } |
| 828 | |
| 829 | status = acpi_db_command_dispatch(command_line, walk_state, op); |
| 830 | return (status); |
| 831 | |
| 832 | case CMD_HISTORY_LAST: /* !! command */ |
| 833 | |
| 834 | command_line = acpi_db_get_from_history(NULL); |
| 835 | if (!command_line) { |
| 836 | return (AE_CTRL_TRUE); |
| 837 | } |
| 838 | |
| 839 | status = acpi_db_command_dispatch(command_line, walk_state, op); |
| 840 | return (status); |
| 841 | |
| 842 | case CMD_INFORMATION: |
| 843 | |
| 844 | acpi_db_display_method_info(op); |
| 845 | break; |
| 846 | |
| 847 | case CMD_INTEGRITY: |
| 848 | |
| 849 | acpi_db_check_integrity(); |
| 850 | break; |
| 851 | |
| 852 | case CMD_INTO: |
| 853 | |
| 854 | if (op) { |
| 855 | acpi_gbl_cm_single_step = TRUE; |
| 856 | return (AE_OK); |
| 857 | } |
| 858 | break; |
| 859 | |
| 860 | case CMD_LEVEL: |
| 861 | |
| 862 | if (param_count == 0) { |
| 863 | acpi_os_printf |
| 864 | ("Current debug level for file output is: %8.8lX\n", |
| 865 | acpi_gbl_db_debug_level); |
| 866 | acpi_os_printf |
| 867 | ("Current debug level for console output is: %8.8lX\n", |
| 868 | acpi_gbl_db_console_debug_level); |
| 869 | } else if (param_count == 2) { |
| 870 | temp = acpi_gbl_db_console_debug_level; |
| 871 | acpi_gbl_db_console_debug_level = |
| 872 | strtoul(acpi_gbl_db_args[1], NULL, 16); |
| 873 | acpi_os_printf |
| 874 | ("Debug Level for console output was %8.8lX, now %8.8lX\n", |
| 875 | temp, acpi_gbl_db_console_debug_level); |
| 876 | } else { |
| 877 | temp = acpi_gbl_db_debug_level; |
| 878 | acpi_gbl_db_debug_level = |
| 879 | strtoul(acpi_gbl_db_args[1], NULL, 16); |
| 880 | acpi_os_printf |
| 881 | ("Debug Level for file output was %8.8lX, now %8.8lX\n", |
| 882 | temp, acpi_gbl_db_debug_level); |
| 883 | } |
| 884 | break; |
| 885 | |
| 886 | case CMD_LIST: |
| 887 | |
| 888 | acpi_db_disassemble_aml(acpi_gbl_db_args[1], op); |
| 889 | break; |
| 890 | |
| 891 | case CMD_LOCKS: |
| 892 | |
| 893 | acpi_db_display_locks(); |
| 894 | break; |
| 895 | |
| 896 | case CMD_LOCALS: |
| 897 | |
| 898 | acpi_db_display_locals(); |
| 899 | break; |
| 900 | |
| 901 | case CMD_METHODS: |
| 902 | |
| 903 | status = acpi_db_display_objects("METHOD", acpi_gbl_db_args[1]); |
| 904 | break; |
| 905 | |
| 906 | case CMD_NAMESPACE: |
| 907 | |
| 908 | acpi_db_dump_namespace(acpi_gbl_db_args[1], |
| 909 | acpi_gbl_db_args[2]); |
| 910 | break; |
| 911 | |
| 912 | case CMD_NOTIFY: |
| 913 | |
| 914 | temp = strtoul(acpi_gbl_db_args[2], NULL, 0); |
| 915 | acpi_db_send_notify(acpi_gbl_db_args[1], temp); |
| 916 | break; |
| 917 | |
| 918 | case CMD_OBJECTS: |
| 919 | |
| 920 | acpi_ut_strupr(acpi_gbl_db_args[1]); |
| 921 | status = |
| 922 | acpi_db_display_objects(acpi_gbl_db_args[1], |
| 923 | acpi_gbl_db_args[2]); |
| 924 | break; |
| 925 | |
| 926 | case CMD_OSI: |
| 927 | |
| 928 | acpi_db_display_interfaces(acpi_gbl_db_args[1], |
| 929 | acpi_gbl_db_args[2]); |
| 930 | break; |
| 931 | |
| 932 | case CMD_OWNER: |
| 933 | |
| 934 | acpi_db_dump_namespace_by_owner(acpi_gbl_db_args[1], |
| 935 | acpi_gbl_db_args[2]); |
| 936 | break; |
| 937 | |
| 938 | case CMD_PATHS: |
| 939 | |
| 940 | acpi_db_dump_namespace_paths(); |
| 941 | break; |
| 942 | |
| 943 | case CMD_PREFIX: |
| 944 | |
| 945 | acpi_db_set_scope(acpi_gbl_db_args[1]); |
| 946 | break; |
| 947 | |
| 948 | case CMD_REFERENCES: |
| 949 | |
| 950 | acpi_db_find_references(acpi_gbl_db_args[1]); |
| 951 | break; |
| 952 | |
| 953 | case CMD_RESOURCES: |
| 954 | |
| 955 | acpi_db_display_resources(acpi_gbl_db_args[1]); |
| 956 | break; |
| 957 | |
| 958 | case CMD_RESULTS: |
| 959 | |
| 960 | acpi_db_display_results(); |
| 961 | break; |
| 962 | |
| 963 | case CMD_SET: |
| 964 | |
| 965 | acpi_db_set_method_data(acpi_gbl_db_args[1], |
| 966 | acpi_gbl_db_args[2], |
| 967 | acpi_gbl_db_args[3]); |
| 968 | break; |
| 969 | |
| 970 | case CMD_STATS: |
| 971 | |
| 972 | status = acpi_db_display_statistics(acpi_gbl_db_args[1]); |
| 973 | break; |
| 974 | |
| 975 | case CMD_STOP: |
| 976 | |
| 977 | return (AE_NOT_IMPLEMENTED); |
| 978 | |
| 979 | case CMD_TABLES: |
| 980 | |
| 981 | acpi_db_display_table_info(acpi_gbl_db_args[1]); |
| 982 | break; |
| 983 | |
| 984 | case CMD_TEMPLATE: |
| 985 | |
| 986 | acpi_db_display_template(acpi_gbl_db_args[1]); |
| 987 | break; |
| 988 | |
| 989 | case CMD_TRACE: |
| 990 | |
| 991 | acpi_db_trace(acpi_gbl_db_args[1], acpi_gbl_db_args[2], |
| 992 | acpi_gbl_db_args[3]); |
| 993 | break; |
| 994 | |
| 995 | case CMD_TREE: |
| 996 | |
| 997 | acpi_db_display_calling_tree(); |
| 998 | break; |
| 999 | |
| 1000 | case CMD_TYPE: |
| 1001 | |
| 1002 | acpi_db_display_object_type(acpi_gbl_db_args[1]); |
| 1003 | break; |
| 1004 | |
| 1005 | #ifdef ACPI_APPLICATION |
| 1006 | |
| 1007 | /* Hardware simulation commands. */ |
| 1008 | |
| 1009 | case CMD_ENABLEACPI: |
| 1010 | #if (!ACPI_REDUCED_HARDWARE) |
| 1011 | |
| 1012 | status = acpi_enable(); |
| 1013 | if (ACPI_FAILURE(status)) { |
| 1014 | acpi_os_printf("AcpiEnable failed (Status=%X)\n", |
| 1015 | status); |
| 1016 | return (status); |
| 1017 | } |
| 1018 | #endif /* !ACPI_REDUCED_HARDWARE */ |
| 1019 | break; |
| 1020 | |
| 1021 | case CMD_EVENT: |
| 1022 | |
| 1023 | acpi_os_printf("Event command not implemented\n"); |
| 1024 | break; |
| 1025 | |
| 1026 | case CMD_GPE: |
| 1027 | |
| 1028 | acpi_db_generate_gpe(acpi_gbl_db_args[1], acpi_gbl_db_args[2]); |
| 1029 | break; |
| 1030 | |
| 1031 | case CMD_GPES: |
| 1032 | |
| 1033 | acpi_db_display_gpes(); |
| 1034 | break; |
| 1035 | |
| 1036 | case CMD_SCI: |
| 1037 | |
| 1038 | acpi_db_generate_sci(); |
| 1039 | break; |
| 1040 | |
| 1041 | case CMD_SLEEP: |
| 1042 | |
| 1043 | status = acpi_db_sleep(acpi_gbl_db_args[1]); |
| 1044 | break; |
| 1045 | |
| 1046 | /* File I/O commands. */ |
| 1047 | |
| 1048 | case CMD_CLOSE: |
| 1049 | |
| 1050 | acpi_db_close_debug_file(); |
| 1051 | break; |
| 1052 | |
| 1053 | case CMD_LOAD: |
| 1054 | |
| 1055 | status = |
| 1056 | acpi_db_get_table_from_file(acpi_gbl_db_args[1], NULL, |
| 1057 | FALSE); |
| 1058 | break; |
| 1059 | |
| 1060 | case CMD_OPEN: |
| 1061 | |
| 1062 | acpi_db_open_debug_file(acpi_gbl_db_args[1]); |
| 1063 | break; |
| 1064 | |
| 1065 | /* User space commands. */ |
| 1066 | |
| 1067 | case CMD_TERMINATE: |
| 1068 | |
| 1069 | acpi_db_set_output_destination(ACPI_DB_REDIRECTABLE_OUTPUT); |
| 1070 | acpi_ut_subsystem_shutdown(); |
| 1071 | |
| 1072 | /* |
| 1073 | * TBD: [Restructure] Need some way to re-initialize without |
| 1074 | * re-creating the semaphores! |
| 1075 | */ |
| 1076 | |
Lv Zheng | 086ab74 | 2015-10-19 10:25:42 +0800 | [diff] [blame^] | 1077 | acpi_gbl_db_terminate_loop = TRUE; |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 1078 | /* acpi_initialize (NULL); */ |
| 1079 | break; |
| 1080 | |
| 1081 | case CMD_THREADS: |
| 1082 | |
| 1083 | acpi_db_create_execution_threads(acpi_gbl_db_args[1], |
| 1084 | acpi_gbl_db_args[2], |
| 1085 | acpi_gbl_db_args[3]); |
| 1086 | break; |
| 1087 | |
| 1088 | /* Debug test commands. */ |
| 1089 | |
| 1090 | case CMD_PREDEFINED: |
| 1091 | |
| 1092 | acpi_db_check_predefined_names(); |
| 1093 | break; |
| 1094 | |
| 1095 | case CMD_TEST: |
| 1096 | |
| 1097 | acpi_db_execute_test(acpi_gbl_db_args[1]); |
| 1098 | break; |
| 1099 | |
| 1100 | case CMD_UNLOAD: |
| 1101 | |
| 1102 | acpi_db_unload_acpi_table(acpi_gbl_db_args[1]); |
| 1103 | break; |
| 1104 | #endif |
| 1105 | |
| 1106 | case CMD_EXIT: |
| 1107 | case CMD_QUIT: |
| 1108 | |
| 1109 | if (op) { |
| 1110 | acpi_os_printf("Method execution terminated\n"); |
| 1111 | return (AE_CTRL_TERMINATE); |
| 1112 | } |
| 1113 | |
| 1114 | if (!acpi_gbl_db_output_to_file) { |
| 1115 | acpi_dbg_level = ACPI_DEBUG_DEFAULT; |
| 1116 | } |
| 1117 | #ifdef ACPI_APPLICATION |
| 1118 | acpi_db_close_debug_file(); |
| 1119 | #endif |
Lv Zheng | af08f9c | 2015-10-19 10:25:32 +0800 | [diff] [blame] | 1120 | acpi_gbl_db_terminate_loop = TRUE; |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 1121 | return (AE_CTRL_TERMINATE); |
| 1122 | |
| 1123 | case CMD_NOT_FOUND: |
| 1124 | default: |
| 1125 | |
| 1126 | acpi_os_printf("%s: unknown command\n", acpi_gbl_db_args[0]); |
| 1127 | return (AE_CTRL_TRUE); |
| 1128 | } |
| 1129 | |
| 1130 | if (ACPI_SUCCESS(status)) { |
| 1131 | status = AE_CTRL_TRUE; |
| 1132 | } |
| 1133 | |
| 1134 | return (status); |
| 1135 | } |
| 1136 | |
| 1137 | /******************************************************************************* |
| 1138 | * |
| 1139 | * FUNCTION: acpi_db_execute_thread |
| 1140 | * |
| 1141 | * PARAMETERS: context - Not used |
| 1142 | * |
| 1143 | * RETURN: None |
| 1144 | * |
| 1145 | * DESCRIPTION: Debugger execute thread. Waits for a command line, then |
| 1146 | * simply dispatches it. |
| 1147 | * |
| 1148 | ******************************************************************************/ |
| 1149 | |
| 1150 | void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context) |
| 1151 | { |
| 1152 | acpi_status status = AE_OK; |
| 1153 | acpi_status Mstatus; |
| 1154 | |
Lv Zheng | 086ab74 | 2015-10-19 10:25:42 +0800 | [diff] [blame^] | 1155 | while (status != AE_CTRL_TERMINATE && !acpi_gbl_db_terminate_loop) { |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 1156 | acpi_gbl_method_executing = FALSE; |
| 1157 | acpi_gbl_step_to_next_call = FALSE; |
| 1158 | |
| 1159 | Mstatus = acpi_os_acquire_mutex(acpi_gbl_db_command_ready, |
| 1160 | ACPI_WAIT_FOREVER); |
| 1161 | if (ACPI_FAILURE(Mstatus)) { |
| 1162 | return; |
| 1163 | } |
| 1164 | |
| 1165 | status = |
| 1166 | acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL, NULL); |
| 1167 | |
| 1168 | acpi_os_release_mutex(acpi_gbl_db_command_complete); |
| 1169 | } |
Lv Zheng | af08f9c | 2015-10-19 10:25:32 +0800 | [diff] [blame] | 1170 | acpi_gbl_db_threads_terminated = TRUE; |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 1171 | } |
| 1172 | |
| 1173 | /******************************************************************************* |
| 1174 | * |
| 1175 | * FUNCTION: acpi_db_single_thread |
| 1176 | * |
| 1177 | * PARAMETERS: None |
| 1178 | * |
| 1179 | * RETURN: None |
| 1180 | * |
| 1181 | * DESCRIPTION: Debugger execute thread. Waits for a command line, then |
| 1182 | * simply dispatches it. |
| 1183 | * |
| 1184 | ******************************************************************************/ |
| 1185 | |
| 1186 | static void acpi_db_single_thread(void) |
| 1187 | { |
| 1188 | |
| 1189 | acpi_gbl_method_executing = FALSE; |
| 1190 | acpi_gbl_step_to_next_call = FALSE; |
| 1191 | |
| 1192 | (void)acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL, NULL); |
| 1193 | } |
| 1194 | |
| 1195 | /******************************************************************************* |
| 1196 | * |
| 1197 | * FUNCTION: acpi_db_user_commands |
| 1198 | * |
| 1199 | * PARAMETERS: prompt - User prompt (depends on mode) |
| 1200 | * op - Current executing parse op |
| 1201 | * |
| 1202 | * RETURN: None |
| 1203 | * |
| 1204 | * DESCRIPTION: Command line execution for the AML debugger. Commands are |
| 1205 | * matched and dispatched here. |
| 1206 | * |
| 1207 | ******************************************************************************/ |
| 1208 | |
| 1209 | acpi_status acpi_db_user_commands(char prompt, union acpi_parse_object *op) |
| 1210 | { |
| 1211 | acpi_status status = AE_OK; |
| 1212 | |
| 1213 | acpi_os_printf("\n"); |
| 1214 | |
| 1215 | /* TBD: [Restructure] Need a separate command line buffer for step mode */ |
| 1216 | |
Lv Zheng | af08f9c | 2015-10-19 10:25:32 +0800 | [diff] [blame] | 1217 | while (!acpi_gbl_db_terminate_loop) { |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 1218 | |
| 1219 | /* Force output to console until a command is entered */ |
| 1220 | |
| 1221 | acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); |
| 1222 | |
| 1223 | /* Different prompt if method is executing */ |
| 1224 | |
| 1225 | if (!acpi_gbl_method_executing) { |
| 1226 | acpi_os_printf("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT); |
| 1227 | } else { |
| 1228 | acpi_os_printf("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT); |
| 1229 | } |
| 1230 | |
| 1231 | /* Get the user input line */ |
| 1232 | |
| 1233 | status = acpi_os_get_line(acpi_gbl_db_line_buf, |
| 1234 | ACPI_DB_LINE_BUFFER_SIZE, NULL); |
| 1235 | if (ACPI_FAILURE(status)) { |
| 1236 | ACPI_EXCEPTION((AE_INFO, status, |
| 1237 | "While parsing command line")); |
| 1238 | return (status); |
| 1239 | } |
| 1240 | |
| 1241 | /* Check for single or multithreaded debug */ |
| 1242 | |
| 1243 | if (acpi_gbl_debugger_configuration & DEBUGGER_MULTI_THREADED) { |
| 1244 | /* |
| 1245 | * Signal the debug thread that we have a command to execute, |
| 1246 | * and wait for the command to complete. |
| 1247 | */ |
| 1248 | acpi_os_release_mutex(acpi_gbl_db_command_ready); |
| 1249 | if (ACPI_FAILURE(status)) { |
| 1250 | return (status); |
| 1251 | } |
| 1252 | |
| 1253 | status = |
| 1254 | acpi_os_acquire_mutex(acpi_gbl_db_command_complete, |
| 1255 | ACPI_WAIT_FOREVER); |
| 1256 | if (ACPI_FAILURE(status)) { |
| 1257 | return (status); |
| 1258 | } |
| 1259 | } else { |
| 1260 | /* Just call to the command line interpreter */ |
| 1261 | |
| 1262 | acpi_db_single_thread(); |
| 1263 | } |
| 1264 | } |
| 1265 | |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 1266 | return (status); |
| 1267 | } |