1 /****************************************************************************** 2 * 3 * Module Name: aetables - ACPI table setup/install for acpiexec utility 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 #include "aecommon.h" 45 #include "aetables.h" 46 47 #define _COMPONENT ACPI_TOOLS 48 ACPI_MODULE_NAME ("aetables") 49 50 /* Local prototypes */ 51 52 void 53 AeTableOverride ( 54 ACPI_TABLE_HEADER *ExistingTable, 55 ACPI_TABLE_HEADER **NewTable); 56 57 ACPI_PHYSICAL_ADDRESS 58 AeLocalGetRootPointer ( 59 void); 60 61 /* User table (DSDT) */ 62 63 static ACPI_TABLE_HEADER *DsdtToInstallOverride; 64 65 /* Non-AML tables that are constructed locally and installed */ 66 67 static ACPI_TABLE_RSDP LocalRSDP; 68 static ACPI_TABLE_FACS LocalFACS; 69 static ACPI_TABLE_HEADER LocalTEST; 70 static ACPI_TABLE_HEADER LocalBADTABLE; 71 72 /* 73 * We need a local FADT so that the hardware subcomponent will function, 74 * even though the underlying OSD HW access functions don't do anything. 75 */ 76 static ACPI_TABLE_FADT LocalFADT; 77 78 /* 79 * Use XSDT so that both 32- and 64-bit versions of this utility will 80 * function automatically. 81 */ 82 static ACPI_TABLE_XSDT *LocalXSDT; 83 84 #define BASE_XSDT_TABLES 10 85 #define BASE_XSDT_SIZE (sizeof (ACPI_TABLE_XSDT) + \ 86 ((BASE_XSDT_TABLES -1) * sizeof (UINT64))) 87 88 #define ACPI_MAX_INIT_TABLES (32) 89 static ACPI_TABLE_DESC Tables[ACPI_MAX_INIT_TABLES]; 90 91 92 /****************************************************************************** 93 * 94 * FUNCTION: AeTableOverride 95 * 96 * DESCRIPTION: Local implementation of AcpiOsTableOverride. 97 * Exercise the override mechanism 98 * 99 *****************************************************************************/ 100 101 void 102 AeTableOverride ( 103 ACPI_TABLE_HEADER *ExistingTable, 104 ACPI_TABLE_HEADER **NewTable) 105 { 106 107 /* This code exercises the table override mechanism in the core */ 108 109 if (ACPI_COMPARE_NAME (ExistingTable->Signature, ACPI_SIG_DSDT)) 110 { 111 *NewTable = DsdtToInstallOverride; 112 } 113 114 /* This code tests override of dynamically loaded tables */ 115 116 else if (ACPI_COMPARE_NAME (ExistingTable->Signature, "OEM9")) 117 { 118 *NewTable = ACPI_CAST_PTR (ACPI_TABLE_HEADER, Ssdt3Code); 119 } 120 } 121 122 123 /****************************************************************************** 124 * 125 * FUNCTION: AeBuildLocalTables 126 * 127 * PARAMETERS: TableCount - Number of tables on the command line 128 * TableList - List of actual tables from files 129 * 130 * RETURN: Status 131 * 132 * DESCRIPTION: Build a complete ACPI table chain, with a local RSDP, XSDT, 133 * FADT, and several other test tables. 134 * 135 *****************************************************************************/ 136 137 ACPI_STATUS 138 AeBuildLocalTables ( 139 UINT32 TableCount, 140 AE_TABLE_DESC *TableList) 141 { 142 ACPI_PHYSICAL_ADDRESS DsdtAddress = 0; 143 UINT32 XsdtSize; 144 AE_TABLE_DESC *NextTable; 145 UINT32 NextIndex; 146 ACPI_TABLE_FADT *ExternalFadt = NULL; 147 148 149 /* 150 * Update the table count. For DSDT, it is not put into the XSDT. For 151 * FADT, this is already accounted for since we usually install a 152 * local FADT. 153 */ 154 NextTable = TableList; 155 while (NextTable) 156 { 157 if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT) || 158 ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT)) 159 { 160 TableCount--; 161 } 162 NextTable = NextTable->Next; 163 } 164 165 XsdtSize = BASE_XSDT_SIZE + (TableCount * sizeof (UINT64)); 166 167 /* Build an XSDT */ 168 169 LocalXSDT = AcpiOsAllocate (XsdtSize); 170 if (!LocalXSDT) 171 { 172 return (AE_NO_MEMORY); 173 } 174 175 ACPI_MEMSET (LocalXSDT, 0, XsdtSize); 176 ACPI_MOVE_NAME (LocalXSDT->Header.Signature, ACPI_SIG_XSDT); 177 LocalXSDT->Header.Length = XsdtSize; 178 LocalXSDT->Header.Revision = 1; 179 180 LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalTEST); 181 LocalXSDT->TableOffsetEntry[1] = ACPI_PTR_TO_PHYSADDR (&LocalBADTABLE); 182 LocalXSDT->TableOffsetEntry[2] = ACPI_PTR_TO_PHYSADDR (&LocalFADT); 183 184 /* Install two SSDTs to test multiple table support */ 185 186 LocalXSDT->TableOffsetEntry[3] = ACPI_PTR_TO_PHYSADDR (&Ssdt1Code); 187 LocalXSDT->TableOffsetEntry[4] = ACPI_PTR_TO_PHYSADDR (&Ssdt2Code); 188 189 /* Install the OEM1 table to test LoadTable */ 190 191 LocalXSDT->TableOffsetEntry[5] = ACPI_PTR_TO_PHYSADDR (&Oem1Code); 192 193 /* Install the OEMx table to test LoadTable */ 194 195 LocalXSDT->TableOffsetEntry[6] = ACPI_PTR_TO_PHYSADDR (&OemxCode); 196 197 /* Install the ECDT table to test _REG */ 198 199 LocalXSDT->TableOffsetEntry[7] = ACPI_PTR_TO_PHYSADDR (&EcdtCode); 200 201 /* Install two UEFIs to test multiple table support */ 202 203 LocalXSDT->TableOffsetEntry[8] = ACPI_PTR_TO_PHYSADDR (&Uefi1Code); 204 LocalXSDT->TableOffsetEntry[9] = ACPI_PTR_TO_PHYSADDR (&Uefi2Code); 205 206 /* 207 * Install the user tables. The DSDT must be installed in the FADT. 208 * All other tables are installed directly into the XSDT. 209 */ 210 NextIndex = BASE_XSDT_TABLES; 211 NextTable = TableList; 212 while (NextTable) 213 { 214 /* 215 * Incoming DSDT or FADT are special cases. All other tables are 216 * just immediately installed into the XSDT. 217 */ 218 if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT)) 219 { 220 if (DsdtAddress) 221 { 222 printf ("Already found a DSDT, only one allowed\n"); 223 return (AE_ALREADY_EXISTS); 224 } 225 226 /* The incoming user table is a DSDT */ 227 228 DsdtAddress = ACPI_PTR_TO_PHYSADDR (&DsdtCode); 229 DsdtToInstallOverride = NextTable->Table; 230 } 231 else if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT)) 232 { 233 ExternalFadt = ACPI_CAST_PTR (ACPI_TABLE_FADT, NextTable->Table); 234 LocalXSDT->TableOffsetEntry[2] = ACPI_PTR_TO_PHYSADDR (NextTable->Table); 235 } 236 else 237 { 238 /* Install the table in the XSDT */ 239 240 LocalXSDT->TableOffsetEntry[NextIndex] = ACPI_PTR_TO_PHYSADDR (NextTable->Table); 241 NextIndex++; 242 } 243 244 NextTable = NextTable->Next; 245 } 246 247 /* Build an RSDP */ 248 249 ACPI_MEMSET (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP)); 250 ACPI_MAKE_RSDP_SIG (LocalRSDP.Signature); 251 ACPI_MEMCPY (LocalRSDP.OemId, "I_TEST", 6); 252 LocalRSDP.Revision = 2; 253 LocalRSDP.XsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalXSDT); 254 LocalRSDP.Length = sizeof (ACPI_TABLE_XSDT); 255 256 /* Set checksums for both XSDT and RSDP */ 257 258 LocalXSDT->Header.Checksum = (UINT8) -AcpiTbChecksum ( 259 (void *) LocalXSDT, LocalXSDT->Header.Length); 260 LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum ( 261 (void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH); 262 263 if (!DsdtAddress) 264 { 265 /* Use the local DSDT because incoming table(s) are all SSDT(s) */ 266 267 DsdtAddress = ACPI_PTR_TO_PHYSADDR (LocalDsdtCode); 268 DsdtToInstallOverride = ACPI_CAST_PTR (ACPI_TABLE_HEADER, LocalDsdtCode); 269 } 270 271 if (ExternalFadt) 272 { 273 /* 274 * Use the external FADT, but we must update the DSDT/FACS addresses 275 * as well as the checksum 276 */ 277 ExternalFadt->Dsdt = DsdtAddress; 278 if (!AcpiGbl_ReducedHardware) 279 { 280 ExternalFadt->Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); 281 } 282 283 if (ExternalFadt->Header.Length > ACPI_PTR_DIFF (&ExternalFadt->XDsdt, ExternalFadt)) 284 { 285 ExternalFadt->XDsdt = DsdtAddress; 286 287 if (!AcpiGbl_ReducedHardware) 288 { 289 ExternalFadt->XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); 290 } 291 } 292 293 /* Complete the FADT with the checksum */ 294 295 ExternalFadt->Header.Checksum = 0; 296 ExternalFadt->Header.Checksum = (UINT8) -AcpiTbChecksum ( 297 (void *) ExternalFadt, ExternalFadt->Header.Length); 298 } 299 else if (AcpiGbl_UseHwReducedFadt) 300 { 301 ACPI_MEMCPY (&LocalFADT, HwReducedFadtCode, sizeof (ACPI_TABLE_FADT)); 302 LocalFADT.Dsdt = DsdtAddress; 303 LocalFADT.XDsdt = DsdtAddress; 304 305 LocalFADT.Header.Checksum = 0; 306 LocalFADT.Header.Checksum = (UINT8) -AcpiTbChecksum ( 307 (void *) &LocalFADT, LocalFADT.Header.Length); 308 } 309 else 310 { 311 /* 312 * Build a local FADT so we can test the hardware/event init 313 */ 314 ACPI_MEMSET (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT)); 315 ACPI_MOVE_NAME (LocalFADT.Header.Signature, ACPI_SIG_FADT); 316 317 /* Setup FADT header and DSDT/FACS addresses */ 318 319 LocalFADT.Dsdt = 0; 320 LocalFADT.Facs = 0; 321 322 LocalFADT.XDsdt = DsdtAddress; 323 LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); 324 325 LocalFADT.Header.Revision = 3; 326 LocalFADT.Header.Length = sizeof (ACPI_TABLE_FADT); 327 328 /* Miscellaneous FADT fields */ 329 330 LocalFADT.Gpe0BlockLength = 16; 331 LocalFADT.Gpe0Block = 0x00001234; 332 333 LocalFADT.Gpe1BlockLength = 6; 334 LocalFADT.Gpe1Block = 0x00005678; 335 LocalFADT.Gpe1Base = 96; 336 337 LocalFADT.Pm1EventLength = 4; 338 LocalFADT.Pm1aEventBlock = 0x00001aaa; 339 LocalFADT.Pm1bEventBlock = 0x00001bbb; 340 341 LocalFADT.Pm1ControlLength = 2; 342 LocalFADT.Pm1aControlBlock = 0xB0; 343 344 LocalFADT.PmTimerLength = 4; 345 LocalFADT.PmTimerBlock = 0xA0; 346 347 LocalFADT.Pm2ControlBlock = 0xC0; 348 LocalFADT.Pm2ControlLength = 1; 349 350 /* Setup one example X-64 field */ 351 352 LocalFADT.XPm1bEventBlock.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO; 353 LocalFADT.XPm1bEventBlock.Address = LocalFADT.Pm1bEventBlock; 354 LocalFADT.XPm1bEventBlock.BitWidth = (UINT8) ACPI_MUL_8 (LocalFADT.Pm1EventLength); 355 356 /* Complete the FADT with the checksum */ 357 358 LocalFADT.Header.Checksum = 0; 359 LocalFADT.Header.Checksum = (UINT8) -AcpiTbChecksum ( 360 (void *) &LocalFADT, LocalFADT.Header.Length); 361 } 362 363 /* Build a FACS */ 364 365 ACPI_MEMSET (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS)); 366 ACPI_MOVE_NAME (LocalFACS.Signature, ACPI_SIG_FACS); 367 368 LocalFACS.Length = sizeof (ACPI_TABLE_FACS); 369 LocalFACS.GlobalLock = 0x11AA0011; 370 371 /* 372 * Build a fake table [TEST] so that we make sure that the 373 * ACPICA core ignores it 374 */ 375 ACPI_MEMSET (&LocalTEST, 0, sizeof (ACPI_TABLE_HEADER)); 376 ACPI_MOVE_NAME (LocalTEST.Signature, "TEST"); 377 378 LocalTEST.Revision = 1; 379 LocalTEST.Length = sizeof (ACPI_TABLE_HEADER); 380 LocalTEST.Checksum = (UINT8) -AcpiTbChecksum ( 381 (void *) &LocalTEST, LocalTEST.Length); 382 383 /* 384 * Build a fake table with a bad signature [BAD!] so that we make 385 * sure that the ACPICA core ignores it 386 */ 387 ACPI_MEMSET (&LocalBADTABLE, 0, sizeof (ACPI_TABLE_HEADER)); 388 ACPI_MOVE_NAME (LocalBADTABLE.Signature, "BAD!"); 389 390 LocalBADTABLE.Revision = 1; 391 LocalBADTABLE.Length = sizeof (ACPI_TABLE_HEADER); 392 LocalBADTABLE.Checksum = (UINT8) -AcpiTbChecksum ( 393 (void *) &LocalBADTABLE, LocalBADTABLE.Length); 394 395 return (AE_OK); 396 } 397 398 399 /****************************************************************************** 400 * 401 * FUNCTION: AeInstallTables 402 * 403 * PARAMETERS: None 404 * 405 * RETURN: Status 406 * 407 * DESCRIPTION: Install the various ACPI tables 408 * 409 *****************************************************************************/ 410 411 ACPI_STATUS 412 AeInstallTables ( 413 void) 414 { 415 ACPI_STATUS Status; 416 ACPI_TABLE_HEADER Header; 417 ACPI_TABLE_HEADER *Table; 418 419 420 Status = AcpiInitializeTables (Tables, ACPI_MAX_INIT_TABLES, TRUE); 421 AE_CHECK_OK (AcpiInitializeTables, Status); 422 423 Status = AcpiReallocateRootTable (); 424 AE_CHECK_OK (AcpiReallocateRootTable, Status); 425 426 Status = AcpiLoadTables (); 427 AE_CHECK_OK (AcpiLoadTables, Status); 428 429 /* 430 * Test run-time control method installation. Do it twice to test code 431 * for an existing name. 432 */ 433 Status = AcpiInstallMethod (MethodCode); 434 if (ACPI_FAILURE (Status)) 435 { 436 AcpiOsPrintf ("%s, Could not install method\n", 437 AcpiFormatException (Status)); 438 } 439 440 Status = AcpiInstallMethod (MethodCode); 441 if (ACPI_FAILURE (Status)) 442 { 443 AcpiOsPrintf ("%s, Could not install method\n", 444 AcpiFormatException (Status)); 445 } 446 447 /* Test multiple table/UEFI support. First, get the headers */ 448 449 Status = AcpiGetTableHeader (ACPI_SIG_UEFI, 1, &Header); 450 AE_CHECK_OK (AcpiGetTableHeader, Status); 451 452 Status = AcpiGetTableHeader (ACPI_SIG_UEFI, 2, &Header); 453 AE_CHECK_OK (AcpiGetTableHeader, Status); 454 455 Status = AcpiGetTableHeader (ACPI_SIG_UEFI, 3, &Header); 456 AE_CHECK_STATUS (AcpiGetTableHeader, Status, AE_NOT_FOUND); 457 458 /* Now get the actual tables */ 459 460 Status = AcpiGetTable (ACPI_SIG_UEFI, 1, &Table); 461 AE_CHECK_OK (AcpiGetTable, Status); 462 463 Status = AcpiGetTable (ACPI_SIG_UEFI, 2, &Table); 464 AE_CHECK_OK (AcpiGetTable, Status); 465 466 Status = AcpiGetTable (ACPI_SIG_UEFI, 3, &Table); 467 AE_CHECK_STATUS (AcpiGetTable, Status, AE_NOT_FOUND); 468 469 return (AE_OK); 470 } 471 472 473 /****************************************************************************** 474 * 475 * FUNCTION: AeLocalGetRootPointer 476 * 477 * PARAMETERS: Flags - not used 478 * Address - Where the root pointer is returned 479 * 480 * RETURN: Status 481 * 482 * DESCRIPTION: Return a local RSDP, used to dynamically load tables via the 483 * standard ACPI mechanism. 484 * 485 *****************************************************************************/ 486 487 ACPI_PHYSICAL_ADDRESS 488 AeLocalGetRootPointer ( 489 void) 490 { 491 492 return ((ACPI_PHYSICAL_ADDRESS) &LocalRSDP); 493 }