1 /******************************************************************************* 2 * 3 * Module Name: dbutils - AML debugger utilities 4 * 5 ******************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2013, 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 45 #include "acpi.h" 46 #include "accommon.h" 47 #include "acnamesp.h" 48 #include "acdebug.h" 49 #include "acdisasm.h" 50 51 52 #ifdef ACPI_DEBUGGER 53 54 #define _COMPONENT ACPI_CA_DEBUGGER 55 ACPI_MODULE_NAME ("dbutils") 56 57 /* Local prototypes */ 58 59 #ifdef ACPI_OBSOLETE_FUNCTIONS 60 ACPI_STATUS 61 AcpiDbSecondPassParse ( 62 ACPI_PARSE_OBJECT *Root); 63 64 void 65 AcpiDbDumpBuffer ( 66 UINT32 Address); 67 #endif 68 69 static char *Converter = "0123456789ABCDEF"; 70 71 72 /******************************************************************************* 73 * 74 * FUNCTION: AcpiDbMatchArgument 75 * 76 * PARAMETERS: UserArgument - User command line 77 * Arguments - Array of commands to match against 78 * 79 * RETURN: Index into command array or ACPI_TYPE_NOT_FOUND if not found 80 * 81 * DESCRIPTION: Search command array for a command match 82 * 83 ******************************************************************************/ 84 85 ACPI_OBJECT_TYPE 86 AcpiDbMatchArgument ( 87 char *UserArgument, 88 ACPI_DB_ARGUMENT_INFO *Arguments) 89 { 90 UINT32 i; 91 92 93 if (!UserArgument || UserArgument[0] == 0) 94 { 95 return (ACPI_TYPE_NOT_FOUND); 96 } 97 98 for (i = 0; Arguments[i].Name; i++) 99 { 100 if (ACPI_STRSTR (Arguments[i].Name, UserArgument) == Arguments[i].Name) 101 { 102 return (i); 103 } 104 } 105 106 /* Argument not recognized */ 107 108 return (ACPI_TYPE_NOT_FOUND); 109 } 110 111 112 /******************************************************************************* 113 * 114 * FUNCTION: AcpiDbSetOutputDestination 115 * 116 * PARAMETERS: OutputFlags - Current flags word 117 * 118 * RETURN: None 119 * 120 * DESCRIPTION: Set the current destination for debugger output. Also sets 121 * the debug output level accordingly. 122 * 123 ******************************************************************************/ 124 125 void 126 AcpiDbSetOutputDestination ( 127 UINT32 OutputFlags) 128 { 129 130 AcpiGbl_DbOutputFlags = (UINT8) OutputFlags; 131 132 if ((OutputFlags & ACPI_DB_REDIRECTABLE_OUTPUT) && AcpiGbl_DbOutputToFile) 133 { 134 AcpiDbgLevel = AcpiGbl_DbDebugLevel; 135 } 136 else 137 { 138 AcpiDbgLevel = AcpiGbl_DbConsoleDebugLevel; 139 } 140 } 141 142 143 /******************************************************************************* 144 * 145 * FUNCTION: AcpiDbDumpExternalObject 146 * 147 * PARAMETERS: ObjDesc - External ACPI object to dump 148 * Level - Nesting level. 149 * 150 * RETURN: None 151 * 152 * DESCRIPTION: Dump the contents of an ACPI external object 153 * 154 ******************************************************************************/ 155 156 void 157 AcpiDbDumpExternalObject ( 158 ACPI_OBJECT *ObjDesc, 159 UINT32 Level) 160 { 161 UINT32 i; 162 163 164 if (!ObjDesc) 165 { 166 AcpiOsPrintf ("[Null Object]\n"); 167 return; 168 } 169 170 for (i = 0; i < Level; i++) 171 { 172 AcpiOsPrintf (" "); 173 } 174 175 switch (ObjDesc->Type) 176 { 177 case ACPI_TYPE_ANY: 178 179 AcpiOsPrintf ("[Null Object] (Type=0)\n"); 180 break; 181 182 case ACPI_TYPE_INTEGER: 183 184 AcpiOsPrintf ("[Integer] = %8.8X%8.8X\n", 185 ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value)); 186 break; 187 188 case ACPI_TYPE_STRING: 189 190 AcpiOsPrintf ("[String] Length %.2X = ", ObjDesc->String.Length); 191 AcpiUtPrintString (ObjDesc->String.Pointer, ACPI_UINT8_MAX); 192 AcpiOsPrintf ("\n"); 193 break; 194 195 case ACPI_TYPE_BUFFER: 196 197 AcpiOsPrintf ("[Buffer] Length %.2X = ", ObjDesc->Buffer.Length); 198 if (ObjDesc->Buffer.Length) 199 { 200 if (ObjDesc->Buffer.Length > 16) 201 { 202 AcpiOsPrintf ("\n"); 203 } 204 AcpiUtDebugDumpBuffer (ACPI_CAST_PTR (UINT8, ObjDesc->Buffer.Pointer), 205 ObjDesc->Buffer.Length, DB_BYTE_DISPLAY, _COMPONENT); 206 } 207 else 208 { 209 AcpiOsPrintf ("\n"); 210 } 211 break; 212 213 case ACPI_TYPE_PACKAGE: 214 215 AcpiOsPrintf ("[Package] Contains %u Elements:\n", 216 ObjDesc->Package.Count); 217 218 for (i = 0; i < ObjDesc->Package.Count; i++) 219 { 220 AcpiDbDumpExternalObject (&ObjDesc->Package.Elements[i], Level+1); 221 } 222 break; 223 224 case ACPI_TYPE_LOCAL_REFERENCE: 225 226 AcpiOsPrintf ("[Object Reference] = "); 227 AcpiDmDisplayInternalObject (ObjDesc->Reference.Handle, NULL); 228 break; 229 230 case ACPI_TYPE_PROCESSOR: 231 232 AcpiOsPrintf ("[Processor]\n"); 233 break; 234 235 case ACPI_TYPE_POWER: 236 237 AcpiOsPrintf ("[Power Resource]\n"); 238 break; 239 240 default: 241 242 AcpiOsPrintf ("[Unknown Type] %X\n", ObjDesc->Type); 243 break; 244 } 245 } 246 247 248 /******************************************************************************* 249 * 250 * FUNCTION: AcpiDbPrepNamestring 251 * 252 * PARAMETERS: Name - String to prepare 253 * 254 * RETURN: None 255 * 256 * DESCRIPTION: Translate all forward slashes and dots to backslashes. 257 * 258 ******************************************************************************/ 259 260 void 261 AcpiDbPrepNamestring ( 262 char *Name) 263 { 264 265 if (!Name) 266 { 267 return; 268 } 269 270 AcpiUtStrupr (Name); 271 272 /* Convert a leading forward slash to a backslash */ 273 274 if (*Name == '/') 275 { 276 *Name = '\\'; 277 } 278 279 /* Ignore a leading backslash, this is the root prefix */ 280 281 if (ACPI_IS_ROOT_PREFIX (*Name)) 282 { 283 Name++; 284 } 285 286 /* Convert all slash path separators to dots */ 287 288 while (*Name) 289 { 290 if ((*Name == '/') || 291 (*Name == '\\')) 292 { 293 *Name = '.'; 294 } 295 296 Name++; 297 } 298 } 299 300 301 /******************************************************************************* 302 * 303 * FUNCTION: AcpiDbLocalNsLookup 304 * 305 * PARAMETERS: Name - Name to lookup 306 * 307 * RETURN: Pointer to a namespace node, null on failure 308 * 309 * DESCRIPTION: Lookup a name in the ACPI namespace 310 * 311 * Note: Currently begins search from the root. Could be enhanced to use 312 * the current prefix (scope) node as the search beginning point. 313 * 314 ******************************************************************************/ 315 316 ACPI_NAMESPACE_NODE * 317 AcpiDbLocalNsLookup ( 318 char *Name) 319 { 320 char *InternalPath; 321 ACPI_STATUS Status; 322 ACPI_NAMESPACE_NODE *Node = NULL; 323 324 325 AcpiDbPrepNamestring (Name); 326 327 /* Build an internal namestring */ 328 329 Status = AcpiNsInternalizeName (Name, &InternalPath); 330 if (ACPI_FAILURE (Status)) 331 { 332 AcpiOsPrintf ("Invalid namestring: %s\n", Name); 333 return (NULL); 334 } 335 336 /* 337 * Lookup the name. 338 * (Uses root node as the search starting point) 339 */ 340 Status = AcpiNsLookup (NULL, InternalPath, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, 341 ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE, NULL, &Node); 342 if (ACPI_FAILURE (Status)) 343 { 344 AcpiOsPrintf ("Could not locate name: %s, %s\n", 345 Name, AcpiFormatException (Status)); 346 } 347 348 ACPI_FREE (InternalPath); 349 return (Node); 350 } 351 352 353 /******************************************************************************* 354 * 355 * FUNCTION: AcpiDbUint32ToHexString 356 * 357 * PARAMETERS: Value - The value to be converted to string 358 * Buffer - Buffer for result (not less than 11 bytes) 359 * 360 * RETURN: None 361 * 362 * DESCRIPTION: Convert the unsigned 32-bit value to the hexadecimal image 363 * 364 * NOTE: It is the caller's responsibility to ensure that the length of buffer 365 * is sufficient. 366 * 367 ******************************************************************************/ 368 369 void 370 AcpiDbUint32ToHexString ( 371 UINT32 Value, 372 char *Buffer) 373 { 374 int i; 375 376 377 if (Value == 0) 378 { 379 ACPI_STRCPY (Buffer, "0"); 380 return; 381 } 382 383 Buffer[8] = '\0'; 384 385 for (i = 7; i >= 0; i--) 386 { 387 Buffer[i] = Converter [Value & 0x0F]; 388 Value = Value >> 4; 389 } 390 } 391 392 393 #ifdef ACPI_OBSOLETE_FUNCTIONS 394 /******************************************************************************* 395 * 396 * FUNCTION: AcpiDbSecondPassParse 397 * 398 * PARAMETERS: Root - Root of the parse tree 399 * 400 * RETURN: Status 401 * 402 * DESCRIPTION: Second pass parse of the ACPI tables. We need to wait until 403 * second pass to parse the control methods 404 * 405 ******************************************************************************/ 406 407 ACPI_STATUS 408 AcpiDbSecondPassParse ( 409 ACPI_PARSE_OBJECT *Root) 410 { 411 ACPI_PARSE_OBJECT *Op = Root; 412 ACPI_PARSE_OBJECT *Method; 413 ACPI_PARSE_OBJECT *SearchOp; 414 ACPI_PARSE_OBJECT *StartOp; 415 ACPI_STATUS Status = AE_OK; 416 UINT32 BaseAmlOffset; 417 ACPI_WALK_STATE *WalkState; 418 419 420 ACPI_FUNCTION_ENTRY (); 421 422 423 AcpiOsPrintf ("Pass two parse ....\n"); 424 425 while (Op) 426 { 427 if (Op->Common.AmlOpcode == AML_METHOD_OP) 428 { 429 Method = Op; 430 431 /* Create a new walk state for the parse */ 432 433 WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); 434 if (!WalkState) 435 { 436 return (AE_NO_MEMORY); 437 } 438 439 /* Init the Walk State */ 440 441 WalkState->ParserState.Aml = 442 WalkState->ParserState.AmlStart = Method->Named.Data; 443 WalkState->ParserState.AmlEnd = 444 WalkState->ParserState.PkgEnd = Method->Named.Data + 445 Method->Named.Length; 446 WalkState->ParserState.StartScope = Op; 447 448 WalkState->DescendingCallback = AcpiDsLoad1BeginOp; 449 WalkState->AscendingCallback = AcpiDsLoad1EndOp; 450 451 /* Perform the AML parse */ 452 453 Status = AcpiPsParseAml (WalkState); 454 455 BaseAmlOffset = (Method->Common.Value.Arg)->Common.AmlOffset + 1; 456 StartOp = (Method->Common.Value.Arg)->Common.Next; 457 SearchOp = StartOp; 458 459 while (SearchOp) 460 { 461 SearchOp->Common.AmlOffset += BaseAmlOffset; 462 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp); 463 } 464 } 465 466 if (Op->Common.AmlOpcode == AML_REGION_OP) 467 { 468 /* TBD: [Investigate] this isn't quite the right thing to do! */ 469 /* 470 * 471 * Method = (ACPI_DEFERRED_OP *) Op; 472 * Status = AcpiPsParseAml (Op, Method->Body, Method->BodyLength); 473 */ 474 } 475 476 if (ACPI_FAILURE (Status)) 477 { 478 break; 479 } 480 481 Op = AcpiPsGetDepthNext (Root, Op); 482 } 483 484 return (Status); 485 } 486 487 488 /******************************************************************************* 489 * 490 * FUNCTION: AcpiDbDumpBuffer 491 * 492 * PARAMETERS: Address - Pointer to the buffer 493 * 494 * RETURN: None 495 * 496 * DESCRIPTION: Print a portion of a buffer 497 * 498 ******************************************************************************/ 499 500 void 501 AcpiDbDumpBuffer ( 502 UINT32 Address) 503 { 504 505 AcpiOsPrintf ("\nLocation %X:\n", Address); 506 507 AcpiDbgLevel |= ACPI_LV_TABLES; 508 AcpiUtDebugDumpBuffer (ACPI_TO_POINTER (Address), 64, DB_BYTE_DISPLAY, 509 ACPI_UINT32_MAX); 510 } 511 #endif 512 513 #endif /* ACPI_DEBUGGER */