1 /****************************************************************************** 2 * 3 * Module Name: dmtables - disassembler ACPI table support 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2016, 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 "aslcompiler.h" 45 #include "acapps.h" 46 #include "acdispat.h" 47 #include "acnamesp.h" 48 #include "actables.h" 49 #include "acparser.h" 50 51 #include <stdio.h> 52 #include <time.h> 53 54 #define _COMPONENT ACPI_TOOLS 55 ACPI_MODULE_NAME ("dmtables") 56 57 58 /* Local prototypes */ 59 60 static void 61 AdCreateTableHeader ( 62 char *Filename, 63 ACPI_TABLE_HEADER *Table); 64 65 static ACPI_STATUS 66 AdStoreTable ( 67 ACPI_TABLE_HEADER *Table, 68 UINT32 *TableIndex); 69 70 71 extern ACPI_TABLE_DESC LocalTables[1]; 72 extern ACPI_PARSE_OBJECT *AcpiGbl_ParseOpRoot; 73 74 75 /****************************************************************************** 76 * 77 * FUNCTION: AdDisassemblerHeader 78 * 79 * PARAMETERS: Filename - Input file for the table 80 * TableType - Either AML or DataTable 81 * 82 * RETURN: None 83 * 84 * DESCRIPTION: Create the disassembler header, including ACPICA signon with 85 * current time and date. 86 * 87 *****************************************************************************/ 88 89 void 90 AdDisassemblerHeader ( 91 char *Filename, 92 UINT8 TableType) 93 { 94 time_t Timer; 95 96 97 time (&Timer); 98 99 /* Header and input table info */ 100 101 AcpiOsPrintf ("/*\n"); 102 AcpiOsPrintf (ACPI_COMMON_HEADER (AML_DISASSEMBLER_NAME, " * ")); 103 104 if (TableType == ACPI_IS_AML_TABLE) 105 { 106 if (AcpiGbl_CstyleDisassembly) 107 { 108 AcpiOsPrintf ( 109 " * Disassembling to symbolic ASL+ operators\n" 110 " *\n"); 111 } 112 else 113 { 114 AcpiOsPrintf ( 115 " * Disassembling to non-symbolic legacy ASL operators\n" 116 " *\n"); 117 } 118 } 119 120 AcpiOsPrintf (" * Disassembly of %s, %s", Filename, ctime (&Timer)); 121 AcpiOsPrintf (" *\n"); 122 } 123 124 125 /****************************************************************************** 126 * 127 * FUNCTION: AdCreateTableHeader 128 * 129 * PARAMETERS: Filename - Input file for the table 130 * Table - Pointer to the raw table 131 * 132 * RETURN: None 133 * 134 * DESCRIPTION: Create the ASL table header, including ACPICA signon with 135 * current time and date. 136 * 137 *****************************************************************************/ 138 139 static void 140 AdCreateTableHeader ( 141 char *Filename, 142 ACPI_TABLE_HEADER *Table) 143 { 144 char *NewFilename; 145 UINT8 Checksum; 146 147 148 /* 149 * Print file header and dump original table header 150 */ 151 AdDisassemblerHeader (Filename, ACPI_IS_AML_TABLE); 152 153 AcpiOsPrintf (" * Original Table Header:\n"); 154 AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature); 155 AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", Table->Length, Table->Length); 156 157 /* Print and validate the revision */ 158 159 AcpiOsPrintf (" * Revision 0x%2.2X", Table->Revision); 160 161 switch (Table->Revision) 162 { 163 case 0: 164 165 AcpiOsPrintf (" **** Invalid Revision"); 166 break; 167 168 case 1: 169 170 /* Revision of DSDT controls the ACPI integer width */ 171 172 if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT)) 173 { 174 AcpiOsPrintf (" **** 32-bit table (V1), no 64-bit math support"); 175 } 176 break; 177 178 default: 179 180 break; 181 } 182 AcpiOsPrintf ("\n"); 183 184 /* Print and validate the table checksum */ 185 186 AcpiOsPrintf (" * Checksum 0x%2.2X", Table->Checksum); 187 188 Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Table->Length); 189 if (Checksum) 190 { 191 AcpiOsPrintf (" **** Incorrect checksum, should be 0x%2.2X", 192 (UINT8) (Table->Checksum - Checksum)); 193 } 194 195 AcpiOsPrintf ("\n"); 196 AcpiOsPrintf (" * OEM ID \"%.6s\"\n", Table->OemId); 197 AcpiOsPrintf (" * OEM Table ID \"%.8s\"\n", Table->OemTableId); 198 AcpiOsPrintf (" * OEM Revision 0x%8.8X (%u)\n", Table->OemRevision, Table->OemRevision); 199 AcpiOsPrintf (" * Compiler ID \"%.4s\"\n", Table->AslCompilerId); 200 AcpiOsPrintf (" * Compiler Version 0x%8.8X (%u)\n", Table->AslCompilerRevision, Table->AslCompilerRevision); 201 AcpiOsPrintf (" */\n"); 202 203 /* Create AML output filename based on input filename */ 204 205 if (Filename) 206 { 207 NewFilename = FlGenerateFilename (Filename, "aml"); 208 } 209 else 210 { 211 NewFilename = UtStringCacheCalloc (9); 212 if (NewFilename) 213 { 214 strncat (NewFilename, Table->Signature, 4); 215 strcat (NewFilename, ".aml"); 216 } 217 } 218 219 if (!NewFilename) 220 { 221 AcpiOsPrintf (" **** Could not generate AML output filename\n"); 222 return; 223 } 224 225 /* Open the ASL definition block */ 226 227 AcpiOsPrintf ( 228 "DefinitionBlock (\"%s\", \"%4.4s\", %hu, \"%.6s\", \"%.8s\", 0x%8.8X)\n", 229 NewFilename, Table->Signature, Table->Revision, 230 Table->OemId, Table->OemTableId, Table->OemRevision); 231 } 232 233 234 /****************************************************************************** 235 * 236 * FUNCTION: AdDisplayTables 237 * 238 * PARAMETERS: Filename - Input file for the table 239 * Table - Pointer to the raw table 240 * 241 * RETURN: Status 242 * 243 * DESCRIPTION: Display (disassemble) loaded tables and dump raw tables 244 * 245 *****************************************************************************/ 246 247 ACPI_STATUS 248 AdDisplayTables ( 249 char *Filename, 250 ACPI_TABLE_HEADER *Table) 251 { 252 253 254 if (!AcpiGbl_ParseOpRoot) 255 { 256 return (AE_NOT_EXIST); 257 } 258 259 if (!AcpiGbl_DmOpt_Listing) 260 { 261 AdCreateTableHeader (Filename, Table); 262 } 263 264 AcpiDmDisassemble (NULL, AcpiGbl_ParseOpRoot, ACPI_UINT32_MAX); 265 MpEmitMappingInfo (); 266 267 if (AcpiGbl_DmOpt_Listing) 268 { 269 AcpiOsPrintf ("\n\nTable Header:\n"); 270 AcpiUtDebugDumpBuffer ((UINT8 *) Table, sizeof (ACPI_TABLE_HEADER), 271 DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 272 273 AcpiOsPrintf ("Table Body (Length 0x%X)\n", Table->Length); 274 AcpiUtDebugDumpBuffer (((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)), 275 Table->Length, DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 276 } 277 278 return (AE_OK); 279 } 280 281 282 /******************************************************************************* 283 * 284 * FUNCTION: AdStoreTable 285 * 286 * PARAMETERS: Table - Table header 287 * TableIndex - Where the table index is returned 288 * 289 * RETURN: Status and table index. 290 * 291 * DESCRIPTION: Add an ACPI table to the global table list 292 * 293 ******************************************************************************/ 294 295 static ACPI_STATUS 296 AdStoreTable ( 297 ACPI_TABLE_HEADER *Table, 298 UINT32 *TableIndex) 299 { 300 ACPI_STATUS Status; 301 ACPI_TABLE_DESC *TableDesc; 302 303 304 Status = AcpiTbGetNextTableDescriptor (TableIndex, &TableDesc); 305 if (ACPI_FAILURE (Status)) 306 { 307 return (Status); 308 } 309 310 /* Initialize added table */ 311 312 AcpiTbInitTableDescriptor (TableDesc, ACPI_PTR_TO_PHYSADDR (Table), 313 ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, Table); 314 Status = AcpiTbValidateTable (TableDesc); 315 return (Status); 316 } 317 318 319 /****************************************************************************** 320 * 321 * FUNCTION: AdGetLocalTables 322 * 323 * PARAMETERS: None 324 * 325 * RETURN: Status 326 * 327 * DESCRIPTION: Get the ACPI tables from either memory or a file 328 * 329 *****************************************************************************/ 330 331 ACPI_STATUS 332 AdGetLocalTables ( 333 void) 334 { 335 ACPI_STATUS Status; 336 ACPI_TABLE_HEADER TableHeader; 337 ACPI_TABLE_HEADER *NewTable; 338 UINT32 TableIndex; 339 340 341 /* Get the DSDT via table override */ 342 343 ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_DSDT); 344 AcpiOsTableOverride (&TableHeader, &NewTable); 345 if (!NewTable) 346 { 347 fprintf (stderr, "Could not obtain DSDT\n"); 348 return (AE_NO_ACPI_TABLES); 349 } 350 351 AdWriteTable (NewTable, NewTable->Length, 352 ACPI_SIG_DSDT, NewTable->OemTableId); 353 354 /* Store DSDT in the Table Manager */ 355 356 Status = AdStoreTable (NewTable, &TableIndex); 357 if (ACPI_FAILURE (Status)) 358 { 359 fprintf (stderr, "Could not store DSDT\n"); 360 return (AE_NO_ACPI_TABLES); 361 } 362 363 return (AE_OK); 364 } 365 366 367 /****************************************************************************** 368 * 369 * FUNCTION: AdParseTable 370 * 371 * PARAMETERS: Table - Pointer to the raw table 372 * OwnerId - Returned OwnerId of the table 373 * LoadTable - If add table to the global table list 374 * External - If this is an external table 375 * 376 * RETURN: Status 377 * 378 * DESCRIPTION: Parse an ACPI AML table 379 * 380 *****************************************************************************/ 381 382 ACPI_STATUS 383 AdParseTable ( 384 ACPI_TABLE_HEADER *Table, 385 ACPI_OWNER_ID *OwnerId, 386 BOOLEAN LoadTable, 387 BOOLEAN External) 388 { 389 ACPI_STATUS Status = AE_OK; 390 ACPI_WALK_STATE *WalkState; 391 UINT8 *AmlStart; 392 UINT32 AmlLength; 393 UINT32 TableIndex; 394 395 396 if (!Table) 397 { 398 return (AE_NOT_EXIST); 399 } 400 401 /* Pass 1: Parse everything except control method bodies */ 402 403 fprintf (stderr, "Pass 1 parse of [%4.4s]\n", (char *) Table->Signature); 404 405 AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER); 406 AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)); 407 408 /* Create the root object */ 409 410 AcpiGbl_ParseOpRoot = AcpiPsCreateScopeOp (AmlStart); 411 if (!AcpiGbl_ParseOpRoot) 412 { 413 return (AE_NO_MEMORY); 414 } 415 416 /* Create and initialize a new walk state */ 417 418 WalkState = AcpiDsCreateWalkState (0, AcpiGbl_ParseOpRoot, NULL, NULL); 419 if (!WalkState) 420 { 421 return (AE_NO_MEMORY); 422 } 423 424 Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParseOpRoot, 425 NULL, AmlStart, AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); 426 if (ACPI_FAILURE (Status)) 427 { 428 return (Status); 429 } 430 431 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 432 WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; 433 434 Status = AcpiPsParseAml (WalkState); 435 if (ACPI_FAILURE (Status)) 436 { 437 return (Status); 438 } 439 440 /* If LoadTable is FALSE, we are parsing the last loaded table */ 441 442 TableIndex = AcpiGbl_RootTableList.CurrentTableCount - 1; 443 444 /* Pass 2 */ 445 446 if (LoadTable) 447 { 448 Status = AdStoreTable (Table, &TableIndex); 449 if (ACPI_FAILURE (Status)) 450 { 451 return (Status); 452 } 453 Status = AcpiTbAllocateOwnerId (TableIndex); 454 if (ACPI_FAILURE (Status)) 455 { 456 return (Status); 457 } 458 if (OwnerId) 459 { 460 Status = AcpiTbGetOwnerId (TableIndex, OwnerId); 461 if (ACPI_FAILURE (Status)) 462 { 463 return (Status); 464 } 465 } 466 } 467 468 fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature); 469 470 Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, TableIndex, NULL); 471 if (ACPI_FAILURE (Status)) 472 { 473 return (Status); 474 } 475 476 /* No need to parse control methods of external table */ 477 478 if (External) 479 { 480 return (AE_OK); 481 } 482 483 /* 484 * Pass 3: Parse control methods and link their parse trees 485 * into the main parse tree 486 */ 487 fprintf (stderr, 488 "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n"); 489 490 Status = AcpiDmParseDeferredOps (AcpiGbl_ParseOpRoot); 491 fprintf (stderr, "\n"); 492 493 /* Process Resource Templates */ 494 495 AcpiDmFindResources (AcpiGbl_ParseOpRoot); 496 497 fprintf (stderr, "Parsing completed\n"); 498 return (AE_OK); 499 } 500