1 /****************************************************************************** 2 * 3 * Module Name: aetables - ACPI table setup/install for acpiexec utility 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2014, 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 "aecommon.h" 45 #include "aetables.h" 46 47 #define _COMPONENT ACPI_TOOLS 48 ACPI_MODULE_NAME ("aetables") 49 50 /* Local prototypes */ 51 52 static void 53 AeInitializeTableHeader ( 54 ACPI_TABLE_HEADER *Header, 55 char *Signature, 56 UINT32 Length); 57 58 void 59 AeTableOverride ( 60 ACPI_TABLE_HEADER *ExistingTable, 61 ACPI_TABLE_HEADER **NewTable); 62 63 ACPI_PHYSICAL_ADDRESS 64 AeLocalGetRootPointer ( 65 void); 66 67 /* User table (DSDT) */ 68 69 static ACPI_TABLE_HEADER *DsdtToInstallOverride; 70 71 /* Non-AML tables that are constructed locally and installed */ 72 73 static ACPI_TABLE_RSDP LocalRSDP; 74 static ACPI_TABLE_FACS LocalFACS; 75 static ACPI_TABLE_HEADER LocalTEST; 76 static ACPI_TABLE_HEADER LocalBADTABLE; 77 78 /* 79 * We need a local FADT so that the hardware subcomponent will function, 80 * even though the underlying OSD HW access functions don't do anything. 81 */ 82 static ACPI_TABLE_FADT LocalFADT; 83 84 /* 85 * Use XSDT so that both 32- and 64-bit versions of this utility will 86 * function automatically. 87 */ 88 static ACPI_TABLE_XSDT *LocalXSDT; 89 90 #define BASE_XSDT_TABLES 9 91 #define BASE_XSDT_SIZE ((BASE_XSDT_TABLES) * sizeof (UINT64)) 92 93 #define ACPI_MAX_INIT_TABLES (32) 94 static ACPI_TABLE_DESC Tables[ACPI_MAX_INIT_TABLES]; 95 96 97 /****************************************************************************** 98 * 99 * FUNCTION: AeTableOverride 100 * 101 * DESCRIPTION: Local implementation of AcpiOsTableOverride. 102 * Exercise the override mechanism 103 * 104 *****************************************************************************/ 105 106 void 107 AeTableOverride ( 108 ACPI_TABLE_HEADER *ExistingTable, 109 ACPI_TABLE_HEADER **NewTable) 110 { 111 112 if (!AcpiGbl_LoadTestTables) 113 { 114 *NewTable = NULL; 115 return; 116 } 117 118 /* This code exercises the table override mechanism in the core */ 119 120 if (ACPI_COMPARE_NAME (ExistingTable->Signature, ACPI_SIG_DSDT)) 121 { 122 *NewTable = DsdtToInstallOverride; 123 } 124 125 /* This code tests override of dynamically loaded tables */ 126 127 else if (ACPI_COMPARE_NAME (ExistingTable->Signature, "OEM9")) 128 { 129 *NewTable = ACPI_CAST_PTR (ACPI_TABLE_HEADER, Ssdt3Code); 130 } 131 } 132 133 134 /****************************************************************************** 135 * 136 * FUNCTION: AeInitializeTableHeader 137 * 138 * PARAMETERS: Header - A valid standard ACPI table header 139 * Signature - Signature to insert 140 * Length - Length of the table 141 * 142 * RETURN: None. Header is modified. 143 * 144 * DESCRIPTION: Initialize the table header for a local ACPI table. 145 * 146 *****************************************************************************/ 147 148 static void 149 AeInitializeTableHeader ( 150 ACPI_TABLE_HEADER *Header, 151 char *Signature, 152 UINT32 Length) 153 { 154 155 ACPI_MOVE_NAME (Header->Signature, Signature); 156 Header->Length = Length; 157 158 Header->OemRevision = 0x1001; 159 ACPI_STRNCPY (Header->OemId, "Intel", ACPI_OEM_ID_SIZE); 160 ACPI_STRNCPY (Header->OemTableId, "AcpiExec", ACPI_OEM_TABLE_ID_SIZE); 161 ACPI_STRNCPY (Header->AslCompilerId, "INTL", ACPI_NAME_SIZE); 162 Header->AslCompilerRevision = 0x20131218; 163 } 164 165 166 /****************************************************************************** 167 * 168 * FUNCTION: AeBuildLocalTables 169 * 170 * PARAMETERS: TableCount - Number of tables on the command line 171 * TableList - List of actual tables from files 172 * 173 * RETURN: Status 174 * 175 * DESCRIPTION: Build a complete ACPI table chain, with a local RSDP, XSDT, 176 * FADT, and several other test tables. 177 * 178 *****************************************************************************/ 179 180 ACPI_STATUS 181 AeBuildLocalTables ( 182 UINT32 TableCount, 183 AE_TABLE_DESC *TableList) 184 { 185 ACPI_PHYSICAL_ADDRESS DsdtAddress = 0; 186 UINT32 XsdtSize; 187 AE_TABLE_DESC *NextTable; 188 UINT32 NextIndex; 189 ACPI_TABLE_FADT *ExternalFadt = NULL; 190 191 192 /* 193 * Update the table count. For the DSDT, it is not put into the XSDT. 194 * For the FADT, this table is already accounted for since we usually 195 * install a local FADT. 196 */ 197 NextTable = TableList; 198 while (NextTable) 199 { 200 if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT) || 201 ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT)) 202 { 203 TableCount--; 204 } 205 NextTable = NextTable->Next; 206 } 207 208 XsdtSize = (((TableCount + 1) * sizeof (UINT64)) + sizeof (ACPI_TABLE_HEADER)); 209 if (AcpiGbl_LoadTestTables) 210 { 211 XsdtSize += BASE_XSDT_SIZE; 212 } 213 214 /* Build an XSDT */ 215 216 LocalXSDT = AcpiOsAllocate (XsdtSize); 217 if (!LocalXSDT) 218 { 219 return (AE_NO_MEMORY); 220 } 221 222 ACPI_MEMSET (LocalXSDT, 0, XsdtSize); 223 AeInitializeTableHeader ((void *) LocalXSDT, ACPI_SIG_XSDT, XsdtSize); 224 225 LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalFADT); 226 NextIndex = 1; 227 228 /* 229 * Install the user tables. The DSDT must be installed in the FADT. 230 * All other tables are installed directly into the XSDT. 231 * 232 * Note: The tables are loaded in reverse order from the incoming 233 * input, which makes it match the command line order. 234 */ 235 NextTable = TableList; 236 while (NextTable) 237 { 238 /* 239 * Incoming DSDT or FADT are special cases. All other tables are 240 * just immediately installed into the XSDT. 241 */ 242 if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT)) 243 { 244 if (DsdtAddress) 245 { 246 printf ("Already found a DSDT, only one allowed\n"); 247 return (AE_ALREADY_EXISTS); 248 } 249 250 /* The incoming user table is a DSDT */ 251 252 DsdtAddress = ACPI_PTR_TO_PHYSADDR (NextTable->Table); 253 DsdtToInstallOverride = NextTable->Table; 254 } 255 else if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT)) 256 { 257 ExternalFadt = ACPI_CAST_PTR (ACPI_TABLE_FADT, NextTable->Table); 258 LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (NextTable->Table); 259 } 260 else 261 { 262 /* Install the table in the XSDT */ 263 264 LocalXSDT->TableOffsetEntry[TableCount - NextIndex + 1] = 265 ACPI_PTR_TO_PHYSADDR (NextTable->Table); 266 NextIndex++; 267 } 268 269 NextTable = NextTable->Next; 270 } 271 272 /* Install the optional extra local tables */ 273 274 if (AcpiGbl_LoadTestTables) 275 { 276 LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&LocalTEST); 277 LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&LocalBADTABLE); 278 279 /* Install two SSDTs to test multiple table support */ 280 281 LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Ssdt1Code); 282 LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Ssdt2Code); 283 284 /* Install the OEM1 table to test LoadTable */ 285 286 LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Oem1Code); 287 288 /* Install the OEMx table to test LoadTable */ 289 290 LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&OemxCode); 291 292 /* Install the ECDT table to test _REG */ 293 294 LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&EcdtCode); 295 296 /* Install two UEFIs to test multiple table support */ 297 298 LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Uefi1Code); 299 LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Uefi2Code); 300 } 301 302 /* Build an RSDP. Contains a valid XSDT only, no RSDT */ 303 304 ACPI_MEMSET (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP)); 305 ACPI_MAKE_RSDP_SIG (LocalRSDP.Signature); 306 ACPI_MEMCPY (LocalRSDP.OemId, "Intel", 6); 307 308 LocalRSDP.Revision = 2; 309 LocalRSDP.XsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalXSDT); 310 LocalRSDP.Length = sizeof (ACPI_TABLE_RSDP); 311 312 /* Set checksums for both XSDT and RSDP */ 313 314 LocalXSDT->Header.Checksum = 0; 315 LocalXSDT->Header.Checksum = (UINT8) -AcpiTbChecksum ( 316 (void *) LocalXSDT, LocalXSDT->Header.Length); 317 318 LocalRSDP.Checksum = 0; 319 LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum ( 320 (void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH); 321 322 if (!DsdtAddress) 323 { 324 /* Use the local DSDT because incoming table(s) are all SSDT(s) */ 325 326 DsdtAddress = ACPI_PTR_TO_PHYSADDR (LocalDsdtCode); 327 DsdtToInstallOverride = ACPI_CAST_PTR (ACPI_TABLE_HEADER, LocalDsdtCode); 328 } 329 330 /* 331 * Build an FADT. There are three options for the FADT: 332 * 1) Incoming external FADT specified on the command line 333 * 2) A "hardware reduced" local FADT 334 * 3) A fully featured local FADT 335 */ 336 if (ExternalFadt) 337 { 338 /* 339 * Use the external FADT, but we must update the DSDT/FACS addresses 340 * as well as the checksum 341 */ 342 ExternalFadt->Dsdt = DsdtAddress; 343 if (!AcpiGbl_ReducedHardware) 344 { 345 ExternalFadt->Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); 346 } 347 348 /* Is there room in the FADT for the XDsdst and XFacs 64-bit pointers? */ 349 350 if (ExternalFadt->Header.Length > ACPI_PTR_DIFF (&ExternalFadt->XDsdt, ExternalFadt)) 351 { 352 ExternalFadt->XDsdt = DsdtAddress; 353 354 if (!AcpiGbl_ReducedHardware) 355 { 356 ExternalFadt->XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); 357 } 358 } 359 360 /* Complete the FADT with the checksum */ 361 362 ExternalFadt->Header.Checksum = 0; 363 ExternalFadt->Header.Checksum = (UINT8) -AcpiTbChecksum ( 364 (void *) ExternalFadt, ExternalFadt->Header.Length); 365 } 366 else if (AcpiGbl_UseHwReducedFadt) 367 { 368 ACPI_MEMCPY (&LocalFADT, HwReducedFadtCode, sizeof (ACPI_TABLE_FADT)); 369 LocalFADT.Dsdt = DsdtAddress; 370 LocalFADT.XDsdt = DsdtAddress; 371 372 LocalFADT.Header.Checksum = 0; 373 LocalFADT.Header.Checksum = (UINT8) -AcpiTbChecksum ( 374 (void *) &LocalFADT, LocalFADT.Header.Length); 375 } 376 else 377 { 378 /* 379 * Build a local FADT so we can test the hardware/event init 380 */ 381 ACPI_MEMSET (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT)); 382 LocalFADT.Header.Revision = 5; 383 AeInitializeTableHeader ((void *) &LocalFADT, ACPI_SIG_FADT, sizeof (ACPI_TABLE_FADT)); 384 385 /* Setup FADT header and DSDT/FACS addresses */ 386 387 LocalFADT.Dsdt = 0; 388 LocalFADT.Facs = 0; 389 390 LocalFADT.XDsdt = DsdtAddress; 391 LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); 392 393 /* Miscellaneous FADT fields */ 394 395 LocalFADT.Gpe0BlockLength = 16; 396 LocalFADT.Gpe0Block = 0x00001234; 397 398 LocalFADT.Gpe1BlockLength = 6; 399 LocalFADT.Gpe1Block = 0x00005678; 400 LocalFADT.Gpe1Base = 96; 401 402 LocalFADT.Pm1EventLength = 4; 403 LocalFADT.Pm1aEventBlock = 0x00001aaa; 404 LocalFADT.Pm1bEventBlock = 0x00001bbb; 405 406 LocalFADT.Pm1ControlLength = 2; 407 LocalFADT.Pm1aControlBlock = 0xB0; 408 409 LocalFADT.PmTimerLength = 4; 410 LocalFADT.PmTimerBlock = 0xA0; 411 412 LocalFADT.Pm2ControlBlock = 0xC0; 413 LocalFADT.Pm2ControlLength = 1; 414 415 /* Setup one example X-64 GAS field */ 416 417 LocalFADT.XPm1bEventBlock.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO; 418 LocalFADT.XPm1bEventBlock.Address = LocalFADT.Pm1bEventBlock; 419 LocalFADT.XPm1bEventBlock.BitWidth = (UINT8) ACPI_MUL_8 (LocalFADT.Pm1EventLength); 420 421 /* Complete the FADT with the checksum */ 422 423 LocalFADT.Header.Checksum = 0; 424 LocalFADT.Header.Checksum = (UINT8) -AcpiTbChecksum ( 425 (void *) &LocalFADT, LocalFADT.Header.Length); 426 } 427 428 /* Build a FACS */ 429 430 ACPI_MEMSET (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS)); 431 ACPI_MOVE_NAME (LocalFACS.Signature, ACPI_SIG_FACS); 432 433 LocalFACS.Length = sizeof (ACPI_TABLE_FACS); 434 LocalFACS.GlobalLock = 0x11AA0011; 435 436 /* Build the optional local tables */ 437 438 if (AcpiGbl_LoadTestTables) 439 { 440 /* 441 * Build a fake table [TEST] so that we make sure that the 442 * ACPICA core ignores it 443 */ 444 ACPI_MEMSET (&LocalTEST, 0, sizeof (ACPI_TABLE_HEADER)); 445 ACPI_MOVE_NAME (LocalTEST.Signature, "TEST"); 446 447 LocalTEST.Revision = 1; 448 LocalTEST.Length = sizeof (ACPI_TABLE_HEADER); 449 LocalTEST.Checksum = (UINT8) -AcpiTbChecksum ( 450 (void *) &LocalTEST, LocalTEST.Length); 451 452 /* 453 * Build a fake table with a bad signature [BAD!] so that we make 454 * sure that the ACPICA core ignores it 455 */ 456 ACPI_MEMSET (&LocalBADTABLE, 0, sizeof (ACPI_TABLE_HEADER)); 457 ACPI_MOVE_NAME (LocalBADTABLE.Signature, "BAD!"); 458 459 LocalBADTABLE.Revision = 1; 460 LocalBADTABLE.Length = sizeof (ACPI_TABLE_HEADER); 461 LocalBADTABLE.Checksum = (UINT8) -AcpiTbChecksum ( 462 (void *) &LocalBADTABLE, LocalBADTABLE.Length); 463 } 464 465 return (AE_OK); 466 } 467 468 469 /****************************************************************************** 470 * 471 * FUNCTION: AeInstallTables 472 * 473 * PARAMETERS: None 474 * 475 * RETURN: Status 476 * 477 * DESCRIPTION: Install the various ACPI tables 478 * 479 *****************************************************************************/ 480 481 ACPI_STATUS 482 AeInstallTables ( 483 void) 484 { 485 ACPI_STATUS Status; 486 ACPI_TABLE_HEADER Header; 487 ACPI_TABLE_HEADER *Table; 488 489 490 Status = AcpiInitializeTables (Tables, ACPI_MAX_INIT_TABLES, TRUE); 491 AE_CHECK_OK (AcpiInitializeTables, Status); 492 493 Status = AcpiReallocateRootTable (); 494 AE_CHECK_OK (AcpiReallocateRootTable, Status); 495 496 Status = AcpiLoadTables (); 497 AE_CHECK_OK (AcpiLoadTables, Status); 498 499 /* 500 * Test run-time control method installation. Do it twice to test code 501 * for an existing name. 502 */ 503 Status = AcpiInstallMethod (MethodCode); 504 if (ACPI_FAILURE (Status)) 505 { 506 AcpiOsPrintf ("%s, Could not install method\n", 507 AcpiFormatException (Status)); 508 } 509 510 Status = AcpiInstallMethod (MethodCode); 511 if (ACPI_FAILURE (Status)) 512 { 513 AcpiOsPrintf ("%s, Could not install method\n", 514 AcpiFormatException (Status)); 515 } 516 517 if (AcpiGbl_LoadTestTables) 518 { 519 /* Test multiple table/UEFI support. First, get the headers */ 520 521 Status = AcpiGetTableHeader (ACPI_SIG_UEFI, 1, &Header); 522 AE_CHECK_OK (AcpiGetTableHeader, Status); 523 524 Status = AcpiGetTableHeader (ACPI_SIG_UEFI, 2, &Header); 525 AE_CHECK_OK (AcpiGetTableHeader, Status); 526 527 Status = AcpiGetTableHeader (ACPI_SIG_UEFI, 3, &Header); 528 AE_CHECK_STATUS (AcpiGetTableHeader, Status, AE_NOT_FOUND); 529 530 /* Now get the actual tables */ 531 532 Status = AcpiGetTable (ACPI_SIG_UEFI, 1, &Table); 533 AE_CHECK_OK (AcpiGetTable, Status); 534 535 Status = AcpiGetTable (ACPI_SIG_UEFI, 2, &Table); 536 AE_CHECK_OK (AcpiGetTable, Status); 537 538 Status = AcpiGetTable (ACPI_SIG_UEFI, 3, &Table); 539 AE_CHECK_STATUS (AcpiGetTable, Status, AE_NOT_FOUND); 540 } 541 542 return (AE_OK); 543 } 544 545 546 /****************************************************************************** 547 * 548 * FUNCTION: AeLocalGetRootPointer 549 * 550 * PARAMETERS: Flags - not used 551 * Address - Where the root pointer is returned 552 * 553 * RETURN: Status 554 * 555 * DESCRIPTION: Return a local RSDP, used to dynamically load tables via the 556 * standard ACPI mechanism. 557 * 558 *****************************************************************************/ 559 560 ACPI_PHYSICAL_ADDRESS 561 AeLocalGetRootPointer ( 562 void) 563 { 564 565 return ((ACPI_PHYSICAL_ADDRESS) &LocalRSDP); 566 }