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 <contrib/dev/acpica/compiler/aslcompiler.h> 45 #include <contrib/dev/acpica/include/acapps.h> 46 #include <contrib/dev/acpica/include/acdispat.h> 47 #include <contrib/dev/acpica/include/acnamesp.h> 48 #include <contrib/dev/acpica/include/actables.h> 49 #include <contrib/dev/acpica/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 UINT8 Checksum; 145 146 147 /* Reset globals for External statements */ 148 149 AcpiGbl_NumExternalMethods = 0; 150 AcpiGbl_ResolvedExternalMethods = 0; 151 152 /* 153 * Print file header and dump original table header 154 */ 155 AdDisassemblerHeader (Filename, ACPI_IS_AML_TABLE); 156 157 AcpiOsPrintf (" * Original Table Header:\n"); 158 AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature); 159 AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", Table->Length, Table->Length); 160 161 /* Print and validate the revision */ 162 163 AcpiOsPrintf (" * Revision 0x%2.2X", Table->Revision); 164 165 switch (Table->Revision) 166 { 167 case 0: 168 169 AcpiOsPrintf (" **** Invalid Revision"); 170 break; 171 172 case 1: 173 174 /* Revision of DSDT controls the ACPI integer width */ 175 176 if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT)) 177 { 178 AcpiOsPrintf (" **** 32-bit table (V1), no 64-bit math support"); 179 } 180 break; 181 182 default: 183 184 break; 185 } 186 187 /* Print and validate the table checksum */ 188 189 AcpiOsPrintf ("\n * Checksum 0x%2.2X", Table->Checksum); 190 191 Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Table->Length); 192 if (Checksum) 193 { 194 AcpiOsPrintf (" **** Incorrect checksum, should be 0x%2.2X", 195 (UINT8) (Table->Checksum - Checksum)); 196 } 197 198 AcpiOsPrintf ("\n"); 199 AcpiOsPrintf (" * OEM ID \"%.6s\"\n", Table->OemId); 200 AcpiOsPrintf (" * OEM Table ID \"%.8s\"\n", Table->OemTableId); 201 AcpiOsPrintf (" * OEM Revision 0x%8.8X (%u)\n", Table->OemRevision, Table->OemRevision); 202 AcpiOsPrintf (" * Compiler ID \"%.4s\"\n", Table->AslCompilerId); 203 AcpiOsPrintf (" * Compiler Version 0x%8.8X (%u)\n", Table->AslCompilerRevision, Table->AslCompilerRevision); 204 AcpiOsPrintf (" */\n"); 205 206 /* 207 * Open the ASL definition block. 208 * 209 * Note: the AMLFilename string is left zero-length in order to just let 210 * the compiler create it when the disassembled file is compiled. This 211 * makes it easier to rename the disassembled ASL file if needed. 212 */ 213 AcpiOsPrintf ( 214 "DefinitionBlock (\"\", \"%4.4s\", %hu, \"%.6s\", \"%.8s\", 0x%8.8X)\n", 215 Table->Signature, Table->Revision, 216 Table->OemId, Table->OemTableId, Table->OemRevision); 217 } 218 219 220 /****************************************************************************** 221 * 222 * FUNCTION: AdDisplayTables 223 * 224 * PARAMETERS: Filename - Input file for the table 225 * Table - Pointer to the raw table 226 * 227 * RETURN: Status 228 * 229 * DESCRIPTION: Display (disassemble) loaded tables and dump raw tables 230 * 231 *****************************************************************************/ 232 233 ACPI_STATUS 234 AdDisplayTables ( 235 char *Filename, 236 ACPI_TABLE_HEADER *Table) 237 { 238 239 240 if (!AcpiGbl_ParseOpRoot) 241 { 242 return (AE_NOT_EXIST); 243 } 244 245 if (!AcpiGbl_DmOpt_Listing) 246 { 247 AdCreateTableHeader (Filename, Table); 248 } 249 250 AcpiDmDisassemble (NULL, AcpiGbl_ParseOpRoot, ACPI_UINT32_MAX); 251 MpEmitMappingInfo (); 252 253 if (AcpiGbl_DmOpt_Listing) 254 { 255 AcpiOsPrintf ("\n\nTable Header:\n"); 256 AcpiUtDebugDumpBuffer ((UINT8 *) Table, sizeof (ACPI_TABLE_HEADER), 257 DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 258 259 AcpiOsPrintf ("Table Body (Length 0x%X)\n", Table->Length); 260 AcpiUtDebugDumpBuffer (((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)), 261 Table->Length, DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 262 } 263 264 return (AE_OK); 265 } 266 267 268 /******************************************************************************* 269 * 270 * FUNCTION: AdStoreTable 271 * 272 * PARAMETERS: Table - Table header 273 * TableIndex - Where the table index is returned 274 * 275 * RETURN: Status and table index. 276 * 277 * DESCRIPTION: Add an ACPI table to the global table list 278 * 279 ******************************************************************************/ 280 281 static ACPI_STATUS 282 AdStoreTable ( 283 ACPI_TABLE_HEADER *Table, 284 UINT32 *TableIndex) 285 { 286 ACPI_STATUS Status; 287 ACPI_TABLE_DESC *TableDesc; 288 289 290 Status = AcpiTbGetNextTableDescriptor (TableIndex, &TableDesc); 291 if (ACPI_FAILURE (Status)) 292 { 293 return (Status); 294 } 295 296 /* Initialize added table */ 297 298 AcpiTbInitTableDescriptor (TableDesc, ACPI_PTR_TO_PHYSADDR (Table), 299 ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, Table); 300 Status = AcpiTbValidateTable (TableDesc); 301 return (Status); 302 } 303 304 305 /****************************************************************************** 306 * 307 * FUNCTION: AdGetLocalTables 308 * 309 * PARAMETERS: None 310 * 311 * RETURN: Status 312 * 313 * DESCRIPTION: Get the ACPI tables from either memory or a file 314 * 315 *****************************************************************************/ 316 317 ACPI_STATUS 318 AdGetLocalTables ( 319 void) 320 { 321 ACPI_STATUS Status; 322 ACPI_TABLE_HEADER TableHeader; 323 ACPI_TABLE_HEADER *NewTable; 324 UINT32 TableIndex; 325 326 327 /* Get the DSDT via table override */ 328 329 ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_DSDT); 330 AcpiOsTableOverride (&TableHeader, &NewTable); 331 if (!NewTable) 332 { 333 fprintf (stderr, "Could not obtain DSDT\n"); 334 return (AE_NO_ACPI_TABLES); 335 } 336 337 AdWriteTable (NewTable, NewTable->Length, 338 ACPI_SIG_DSDT, NewTable->OemTableId); 339 340 /* Store DSDT in the Table Manager */ 341 342 Status = AdStoreTable (NewTable, &TableIndex); 343 if (ACPI_FAILURE (Status)) 344 { 345 fprintf (stderr, "Could not store DSDT\n"); 346 return (AE_NO_ACPI_TABLES); 347 } 348 349 return (AE_OK); 350 } 351 352 353 /****************************************************************************** 354 * 355 * FUNCTION: AdParseTable 356 * 357 * PARAMETERS: Table - Pointer to the raw table 358 * OwnerId - Returned OwnerId of the table 359 * LoadTable - If add table to the global table list 360 * External - If this is an external table 361 * 362 * RETURN: Status 363 * 364 * DESCRIPTION: Parse an ACPI AML table 365 * 366 *****************************************************************************/ 367 368 ACPI_STATUS 369 AdParseTable ( 370 ACPI_TABLE_HEADER *Table, 371 ACPI_OWNER_ID *OwnerId, 372 BOOLEAN LoadTable, 373 BOOLEAN External) 374 { 375 ACPI_STATUS Status = AE_OK; 376 ACPI_WALK_STATE *WalkState; 377 UINT8 *AmlStart; 378 UINT32 AmlLength; 379 UINT32 TableIndex; 380 381 382 if (!Table) 383 { 384 return (AE_NOT_EXIST); 385 } 386 387 /* Pass 1: Parse everything except control method bodies */ 388 389 fprintf (stderr, "Pass 1 parse of [%4.4s]\n", (char *) Table->Signature); 390 391 AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER); 392 AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)); 393 394 /* Create the root object */ 395 396 AcpiGbl_ParseOpRoot = AcpiPsCreateScopeOp (AmlStart); 397 if (!AcpiGbl_ParseOpRoot) 398 { 399 return (AE_NO_MEMORY); 400 } 401 402 /* Create and initialize a new walk state */ 403 404 WalkState = AcpiDsCreateWalkState (0, AcpiGbl_ParseOpRoot, NULL, NULL); 405 if (!WalkState) 406 { 407 return (AE_NO_MEMORY); 408 } 409 410 Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParseOpRoot, 411 NULL, AmlStart, AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); 412 if (ACPI_FAILURE (Status)) 413 { 414 return (Status); 415 } 416 417 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 418 WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; 419 420 Status = AcpiPsParseAml (WalkState); 421 if (ACPI_FAILURE (Status)) 422 { 423 return (Status); 424 } 425 426 /* If LoadTable is FALSE, we are parsing the last loaded table */ 427 428 TableIndex = AcpiGbl_RootTableList.CurrentTableCount - 1; 429 430 /* Pass 2 */ 431 432 if (LoadTable) 433 { 434 Status = AdStoreTable (Table, &TableIndex); 435 if (ACPI_FAILURE (Status)) 436 { 437 return (Status); 438 } 439 Status = AcpiTbAllocateOwnerId (TableIndex); 440 if (ACPI_FAILURE (Status)) 441 { 442 return (Status); 443 } 444 if (OwnerId) 445 { 446 Status = AcpiTbGetOwnerId (TableIndex, OwnerId); 447 if (ACPI_FAILURE (Status)) 448 { 449 return (Status); 450 } 451 } 452 } 453 454 fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature); 455 456 Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, TableIndex, NULL); 457 if (ACPI_FAILURE (Status)) 458 { 459 return (Status); 460 } 461 462 /* No need to parse control methods of external table */ 463 464 if (External) 465 { 466 return (AE_OK); 467 } 468 469 /* 470 * Pass 3: Parse control methods and link their parse trees 471 * into the main parse tree 472 */ 473 fprintf (stderr, 474 "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n"); 475 476 Status = AcpiDmParseDeferredOps (AcpiGbl_ParseOpRoot); 477 fprintf (stderr, "\n"); 478 479 /* Process Resource Templates */ 480 481 AcpiDmFindResources (AcpiGbl_ParseOpRoot); 482 483 fprintf (stderr, "Parsing completed\n"); 484 return (AE_OK); 485 } 486