1/****************************************************************************** 2 * 3 * Module Name: osunixxf - UNIX OSL interfaces 4 * 5 *****************************************************************************/ 6 7/****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2008, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 *****************************************************************************/ 115 116 117/* 118 * These interfaces are required in order to compile the ASL compiler under 119 * Linux. 120 */ 121 122#include <stdio.h> 123#include <stdlib.h> 124#include <stdarg.h> 125#include <unistd.h> 126#include <sys/time.h> 127 128#include "acpi.h" 129#include "amlcode.h" 130#include "acparser.h" 131#include "acdebug.h" 132 133#define _COMPONENT ACPI_OS_SERVICES 134 ACPI_MODULE_NAME ("osunixxf") 135 136 137extern FILE *AcpiGbl_DebugFile; 138FILE *AcpiGbl_OutputFile; 139 140ACPI_PHYSICAL_ADDRESS 141AeLocalGetRootPointer ( 142 void); 143 144 145/****************************************************************************** 146 * 147 * FUNCTION: AcpiOsInitialize, AcpiOsTerminate 148 * 149 * PARAMETERS: None 150 * 151 * RETURN: Status 152 * 153 * DESCRIPTION: Init and terminate. Nothing to do. 154 * 155 *****************************************************************************/ 156 157ACPI_STATUS 158AcpiOsInitialize (void) 159{ 160 AcpiGbl_OutputFile = stdout; 161 162 return AE_OK; 163} 164 165 166ACPI_STATUS 167AcpiOsTerminate (void) 168{ 169 return AE_OK; 170} 171 172 173/****************************************************************************** 174 * 175 * FUNCTION: AcpiOsGetRootPointer 176 * 177 * PARAMETERS: None 178 * 179 * RETURN: RSDP physical address 180 * 181 * DESCRIPTION: Gets the root pointer (RSDP) 182 * 183 *****************************************************************************/ 184 185ACPI_PHYSICAL_ADDRESS 186AcpiOsGetRootPointer ( 187 void) 188{ 189 190 return (AeLocalGetRootPointer ()); 191} 192 193 194/****************************************************************************** 195 * 196 * FUNCTION: AcpiOsPredefinedOverride 197 * 198 * PARAMETERS: InitVal - Initial value of the predefined object 199 * NewVal - The new value for the object 200 * 201 * RETURN: Status, pointer to value. Null pointer returned if not 202 * overriding. 203 * 204 * DESCRIPTION: Allow the OS to override predefined names 205 * 206 *****************************************************************************/ 207 208ACPI_STATUS 209AcpiOsPredefinedOverride ( 210 const ACPI_PREDEFINED_NAMES *InitVal, 211 ACPI_STRING *NewVal) 212{ 213 214 if (!InitVal || !NewVal) 215 { 216 return (AE_BAD_PARAMETER); 217 } 218 219 *NewVal = NULL; 220 return (AE_OK); 221} 222 223 224/****************************************************************************** 225 * 226 * FUNCTION: AcpiOsTableOverride 227 * 228 * PARAMETERS: ExistingTable - Header of current table (probably firmware) 229 * NewTable - Where an entire new table is returned. 230 * 231 * RETURN: Status, pointer to new table. Null pointer returned if no 232 * table is available to override 233 * 234 * DESCRIPTION: Return a different version of a table if one is available 235 * 236 *****************************************************************************/ 237 238ACPI_STATUS 239AcpiOsTableOverride ( 240 ACPI_TABLE_HEADER *ExistingTable, 241 ACPI_TABLE_HEADER **NewTable) 242{ 243 244 if (!ExistingTable || !NewTable) 245 { 246 return (AE_BAD_PARAMETER); 247 } 248 249 *NewTable = NULL; 250 251#ifdef ACPI_EXEC_APP 252 253 /* This code exercises the table override mechanism in the core */ 254 255 if (ACPI_COMPARE_NAME (ExistingTable->Signature, ACPI_SIG_DSDT)) 256 { 257 /* override DSDT with itself */ 258 259 *NewTable = AcpiGbl_DbTablePtr; 260 } 261 return (AE_OK); 262#else 263 return AE_NO_ACPI_TABLES; 264#endif 265} 266 267 268/****************************************************************************** 269 * 270 * FUNCTION: AcpiOsReadable 271 * 272 * PARAMETERS: Pointer - Area to be verified 273 * Length - Size of area 274 * 275 * RETURN: TRUE if readable for entire length 276 * 277 * DESCRIPTION: Verify that a pointer is valid for reading 278 * 279 *****************************************************************************/ 280 281BOOLEAN 282AcpiOsReadable ( 283 void *Pointer, 284 ACPI_SIZE Length) 285{ 286 287 return (TRUE); 288} 289 290 291/****************************************************************************** 292 * 293 * FUNCTION: AcpiOsWritable 294 * 295 * PARAMETERS: Pointer - Area to be verified 296 * Length - Size of area 297 * 298 * RETURN: TRUE if writable for entire length 299 * 300 * DESCRIPTION: Verify that a pointer is valid for writing 301 * 302 *****************************************************************************/ 303 304BOOLEAN 305AcpiOsWritable ( 306 void *Pointer, 307 ACPI_SIZE Length) 308{ 309 310 return (TRUE); 311} 312 313 314/****************************************************************************** 315 * 316 * FUNCTION: AcpiOsRedirectOutput 317 * 318 * PARAMETERS: Destination - An open file handle/pointer 319 * 320 * RETURN: None 321 * 322 * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf 323 * 324 *****************************************************************************/ 325 326void 327AcpiOsRedirectOutput ( 328 void *Destination) 329{ 330 331 AcpiGbl_OutputFile = Destination; 332} 333 334 335/****************************************************************************** 336 * 337 * FUNCTION: AcpiOsPrintf 338 * 339 * PARAMETERS: fmt, ... Standard printf format 340 * 341 * RETURN: None 342 * 343 * DESCRIPTION: Formatted output 344 * 345 *****************************************************************************/ 346 347void ACPI_INTERNAL_VAR_XFACE 348AcpiOsPrintf ( 349 const char *Fmt, 350 ...) 351{ 352 va_list Args; 353 354 355 va_start (Args, Fmt); 356 357 AcpiOsVprintf (Fmt, Args); 358 359 va_end (Args); 360 return; 361} 362 363 364/****************************************************************************** 365 * 366 * FUNCTION: AcpiOsVprintf 367 * 368 * PARAMETERS: fmt Standard printf format 369 * args Argument list 370 * 371 * RETURN: None 372 * 373 * DESCRIPTION: Formatted output with argument list pointer 374 * 375 *****************************************************************************/ 376 377void 378AcpiOsVprintf ( 379 const char *Fmt, 380 va_list Args) 381{ 382 INT32 Count = 0; 383 UINT8 Flags; 384 385 386 Flags = AcpiGbl_DbOutputFlags; 387 if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT) 388 { 389 /* Output is directable to either a file (if open) or the console */ 390 391 if (AcpiGbl_DebugFile) 392 { 393 /* Output file is open, send the output there */ 394 395 Count = vfprintf (AcpiGbl_DebugFile, Fmt, Args); 396 } 397 else 398 { 399 /* No redirection, send output to console (once only!) */ 400 401 Flags |= ACPI_DB_CONSOLE_OUTPUT; 402 } 403 } 404 405 if (Flags & ACPI_DB_CONSOLE_OUTPUT) 406 { 407 Count = vfprintf (AcpiGbl_OutputFile, Fmt, Args); 408 } 409 410 return; 411} 412 413 414/****************************************************************************** 415 * 416 * FUNCTION: AcpiOsGetLine 417 * 418 * PARAMETERS: fmt Standard printf format 419 * args Argument list 420 * 421 * RETURN: Actual bytes read 422 * 423 * DESCRIPTION: Formatted input with argument list pointer 424 * 425 *****************************************************************************/ 426 427UINT32 428AcpiOsGetLine ( 429 char *Buffer) 430{ 431 UINT8 Temp; 432 UINT32 i; 433 434 435 for (i = 0; ; i++) 436 { 437 scanf ("%1c", &Temp); 438 if (!Temp || Temp == '\n') 439 { 440 break; 441 } 442 443 Buffer [i] = Temp; 444 } 445 446 /* Null terminate the buffer */ 447 448 Buffer [i] = 0; 449 450 /* Return the number of bytes in the string */ 451 452 return (i); 453} 454 455/****************************************************************************** 456 * 457 * FUNCTION: AcpiOsMapMemory 458 * 459 * PARAMETERS: where Physical address of memory to be mapped 460 * length How much memory to map 461 * 462 * RETURN: Pointer to mapped memory. Null on error. 463 * 464 * DESCRIPTION: Map physical memory into caller's address space 465 * 466 *****************************************************************************/ 467 468void * 469AcpiOsMapMemory ( 470 ACPI_PHYSICAL_ADDRESS where, 471 ACPI_SIZE length) 472{ 473 474 return (ACPI_TO_POINTER ((ACPI_SIZE) where)); 475} 476 477 478/****************************************************************************** 479 * 480 * FUNCTION: AcpiOsUnmapMemory 481 * 482 * PARAMETERS: where Logical address of memory to be unmapped 483 * length How much memory to unmap 484 * 485 * RETURN: None. 486 * 487 * DESCRIPTION: Delete a previously created mapping. Where and Length must 488 * correspond to a previous mapping exactly. 489 * 490 *****************************************************************************/ 491 492void 493AcpiOsUnmapMemory ( 494 void *where, 495 ACPI_SIZE length) 496{ 497 498 return; 499} 500 501 502/****************************************************************************** 503 * 504 * FUNCTION: AcpiOsAllocate 505 * 506 * PARAMETERS: Size Amount to allocate, in bytes 507 * 508 * RETURN: Pointer to the new allocation. Null on error. 509 * 510 * DESCRIPTION: Allocate memory. Algorithm is dependent on the OS. 511 * 512 *****************************************************************************/ 513 514void * 515AcpiOsAllocate ( 516 ACPI_SIZE size) 517{ 518 void *Mem; 519 520 521 Mem = (void *) malloc ((size_t) size); 522 523 return Mem; 524} 525 526 527/****************************************************************************** 528 * 529 * FUNCTION: AcpiOsFree 530 * 531 * PARAMETERS: mem Pointer to previously allocated memory 532 * 533 * RETURN: None. 534 * 535 * DESCRIPTION: Free memory allocated via AcpiOsAllocate 536 * 537 *****************************************************************************/ 538 539void 540AcpiOsFree ( 541 void *mem) 542{ 543 544 545 free (mem); 546} 547 548 549/****************************************************************************** 550 * 551 * FUNCTION: AcpiOsCreateSemaphore 552 * 553 * PARAMETERS: InitialUnits - Units to be assigned to the new semaphore 554 * OutHandle - Where a handle will be returned 555 * 556 * RETURN: Status 557 * 558 * DESCRIPTION: Create an OS semaphore 559 * 560 *****************************************************************************/ 561 562ACPI_STATUS 563AcpiOsCreateSemaphore ( 564 UINT32 MaxUnits, 565 UINT32 InitialUnits, 566 ACPI_HANDLE *OutHandle) 567{ 568 569 570 *OutHandle = (ACPI_HANDLE) 1; 571 return AE_OK; 572} 573 574/****************************************************************************** 575 * 576 * FUNCTION: AcpiOsDeleteSemaphore 577 * 578 * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore 579 * 580 * RETURN: Status 581 * 582 * DESCRIPTION: Delete an OS semaphore 583 * 584 *****************************************************************************/ 585 586ACPI_STATUS 587AcpiOsDeleteSemaphore ( 588 ACPI_HANDLE Handle) 589{ 590 591 if (!Handle) 592 { 593 return AE_BAD_PARAMETER; 594 } 595 596 return AE_OK; 597} 598 599 600/****************************************************************************** 601 * 602 * FUNCTION: AcpiOsWaitSemaphore 603 * 604 * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore 605 * Units - How many units to wait for 606 * Timeout - How long to wait 607 * 608 * RETURN: Status 609 * 610 * DESCRIPTION: Wait for units 611 * 612 *****************************************************************************/ 613 614ACPI_STATUS 615AcpiOsWaitSemaphore ( 616 ACPI_HANDLE Handle, 617 UINT32 Units, 618 UINT16 Timeout) 619{ 620 621 622 return AE_OK; 623} 624 625 626/****************************************************************************** 627 * 628 * FUNCTION: AcpiOsSignalSemaphore 629 * 630 * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore 631 * Units - Number of units to send 632 * 633 * RETURN: Status 634 * 635 * DESCRIPTION: Send units 636 * 637 *****************************************************************************/ 638 639ACPI_STATUS 640AcpiOsSignalSemaphore ( 641 ACPI_HANDLE Handle, 642 UINT32 Units) 643{ 644 645 646 return AE_OK; 647} 648 649 650ACPI_STATUS 651AcpiOsCreateLock ( 652 ACPI_SPINLOCK *OutHandle) 653{ 654 655 return (AcpiOsCreateSemaphore (1, 1, OutHandle)); 656} 657 658void 659AcpiOsDeleteLock ( 660 ACPI_SPINLOCK Handle) 661{ 662 AcpiOsDeleteSemaphore (Handle); 663} 664 665 666ACPI_CPU_FLAGS 667AcpiOsAcquireLock ( 668 ACPI_HANDLE Handle) 669{ 670 AcpiOsWaitSemaphore (Handle, 1, 0xFFFF); 671 return (0); 672} 673 674 675void 676AcpiOsReleaseLock ( 677 ACPI_SPINLOCK Handle, 678 ACPI_CPU_FLAGS Flags) 679{ 680 AcpiOsSignalSemaphore (Handle, 1); 681} 682 683 684/****************************************************************************** 685 * 686 * FUNCTION: AcpiOsInstallInterruptHandler 687 * 688 * PARAMETERS: InterruptNumber Level handler should respond to. 689 * Isr Address of the ACPI interrupt handler 690 * ExceptPtr Where status is returned 691 * 692 * RETURN: Handle to the newly installed handler. 693 * 694 * DESCRIPTION: Install an interrupt handler. Used to install the ACPI 695 * OS-independent handler. 696 * 697 *****************************************************************************/ 698 699UINT32 700AcpiOsInstallInterruptHandler ( 701 UINT32 InterruptNumber, 702 ACPI_OSD_HANDLER ServiceRoutine, 703 void *Context) 704{ 705 706 707 return AE_OK; 708} 709 710 711/****************************************************************************** 712 * 713 * FUNCTION: AcpiOsRemoveInterruptHandler 714 * 715 * PARAMETERS: Handle Returned when handler was installed 716 * 717 * RETURN: Status 718 * 719 * DESCRIPTION: Uninstalls an interrupt handler. 720 * 721 *****************************************************************************/ 722 723ACPI_STATUS 724AcpiOsRemoveInterruptHandler ( 725 UINT32 InterruptNumber, 726 ACPI_OSD_HANDLER ServiceRoutine) 727{ 728 729 return AE_OK; 730} 731 732 733/****************************************************************************** 734 * 735 * FUNCTION: AcpiOsExecute 736 * 737 * PARAMETERS: Type - Type of execution 738 * Function - Address of the function to execute 739 * Context - Passed as a parameter to the function 740 * 741 * RETURN: Status. 742 * 743 * DESCRIPTION: Execute a new thread 744 * 745 *****************************************************************************/ 746 747ACPI_STATUS 748AcpiOsExecute ( 749 ACPI_EXECUTE_TYPE Type, 750 ACPI_OSD_EXEC_CALLBACK Function, 751 void *Context) 752{ 753 754// _beginthread (Function, (unsigned) 0, Context); 755 return 0; 756} 757 758 759/****************************************************************************** 760 * 761 * FUNCTION: AcpiOsBreakpoint 762 * 763 * PARAMETERS: Msg Message to print 764 * 765 * RETURN: Status 766 * 767 * DESCRIPTION: Print a message and break to the debugger. 768 * 769 *****************************************************************************/ 770 771ACPI_STATUS 772AcpiOsBreakpoint ( 773 char *Msg) 774{ 775 776 if (Msg) 777 { 778 AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Msg); 779 } 780 else 781 { 782 AcpiOsPrintf ("At AcpiOsBreakpoint ****\n"); 783 } 784 785 return AE_OK; 786} 787 788 789/****************************************************************************** 790 * 791 * FUNCTION: AcpiOsStall 792 * 793 * PARAMETERS: microseconds To sleep 794 * 795 * RETURN: Blocks until sleep is completed. 796 * 797 * DESCRIPTION: Sleep at microsecond granularity 798 * 799 *****************************************************************************/ 800 801void 802AcpiOsStall ( 803 UINT32 microseconds) 804{ 805 806 if (microseconds) 807 { 808 usleep (microseconds); 809 } 810 return; 811} 812 813 814/****************************************************************************** 815 * 816 * FUNCTION: AcpiOsSleep 817 * 818 * PARAMETERS: milliseconds To sleep 819 * 820 * RETURN: Blocks until sleep is completed. 821 * 822 * DESCRIPTION: Sleep at millisecond granularity 823 * 824 *****************************************************************************/ 825 826void 827AcpiOsSleep ( 828 ACPI_INTEGER milliseconds) 829{ 830 831 sleep (milliseconds / 1000); /* Sleep for whole seconds */ 832 833 /* 834 * Arg to usleep() must be less than 1,000,000 (1 second) 835 */ 836 usleep ((milliseconds % 1000) * 1000); /* Sleep for remaining usecs */ 837 838 return; 839} 840 841/****************************************************************************** 842 * 843 * FUNCTION: AcpiOsGetTimer 844 * 845 * PARAMETERS: None 846 * 847 * RETURN: Current time in 100 nanosecond units 848 * 849 * DESCRIPTION: Get the current system time 850 * 851 *****************************************************************************/ 852 853UINT64 854AcpiOsGetTimer (void) 855{ 856 struct timeval time; 857 858 gettimeofday(&time, NULL); 859 860 /* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */ 861 862 return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10)); 863} 864 865 866/****************************************************************************** 867 * 868 * FUNCTION: AcpiOsValidateInterface 869 * 870 * PARAMETERS: Interface - Requested interface to be validated 871 * 872 * RETURN: AE_OK if interface is supported, AE_SUPPORT otherwise 873 * 874 * DESCRIPTION: Match an interface string to the interfaces supported by the 875 * host. Strings originate from an AML call to the _OSI method. 876 * 877 *****************************************************************************/ 878 879ACPI_STATUS 880AcpiOsValidateInterface ( 881 char *Interface) 882{ 883 884 return (AE_SUPPORT); 885} 886 887 888/****************************************************************************** 889 * 890 * FUNCTION: AcpiOsValidateAddress 891 * 892 * PARAMETERS: SpaceId - ACPI space ID 893 * Address - Physical address 894 * Length - Address length 895 * 896 * RETURN: AE_OK if Address/Length is valid for the SpaceId. Otherwise, 897 * should return AE_AML_ILLEGAL_ADDRESS. 898 * 899 * DESCRIPTION: Validate a system address via the host OS. Used to validate 900 * the addresses accessed by AML operation regions. 901 * 902 *****************************************************************************/ 903 904ACPI_STATUS 905AcpiOsValidateAddress ( 906 UINT8 SpaceId, 907 ACPI_PHYSICAL_ADDRESS Address, 908 ACPI_SIZE Length) 909{ 910 911 return (AE_OK); 912} 913 914 915/****************************************************************************** 916 * 917 * FUNCTION: AcpiOsReadPciConfiguration 918 * 919 * PARAMETERS: PciId Seg/Bus/Dev 920 * Register Device Register 921 * Value Buffer where value is placed 922 * Width Number of bits 923 * 924 * RETURN: Status 925 * 926 * DESCRIPTION: Read data from PCI configuration space 927 * 928 *****************************************************************************/ 929 930ACPI_STATUS 931AcpiOsReadPciConfiguration ( 932 ACPI_PCI_ID *PciId, 933 UINT32 Register, 934 void *Value, 935 UINT32 Width) 936{ 937 938 return (AE_OK); 939} 940 941 942/****************************************************************************** 943 * 944 * FUNCTION: AcpiOsWritePciConfiguration 945 * 946 * PARAMETERS: PciId Seg/Bus/Dev 947 * Register Device Register 948 * Value Value to be written 949 * Width Number of bits 950 * 951 * RETURN: Status. 952 * 953 * DESCRIPTION: Write data to PCI configuration space 954 * 955 *****************************************************************************/ 956 957ACPI_STATUS 958AcpiOsWritePciConfiguration ( 959 ACPI_PCI_ID *PciId, 960 UINT32 Register, 961 ACPI_INTEGER Value, 962 UINT32 Width) 963{ 964 965 return (AE_OK); 966} 967 968/* TEMPORARY STUB FUNCTION */ 969void 970AcpiOsDerivePciId( 971 ACPI_HANDLE rhandle, 972 ACPI_HANDLE chandle, 973 ACPI_PCI_ID **PciId) 974{ 975 976} 977 978 979/****************************************************************************** 980 * 981 * FUNCTION: AcpiOsReadPort 982 * 983 * PARAMETERS: Address Address of I/O port/register to read 984 * Value Where value is placed 985 * Width Number of bits 986 * 987 * RETURN: Value read from port 988 * 989 * DESCRIPTION: Read data from an I/O port or register 990 * 991 *****************************************************************************/ 992 993ACPI_STATUS 994AcpiOsReadPort ( 995 ACPI_IO_ADDRESS Address, 996 UINT32 *Value, 997 UINT32 Width) 998{ 999 1000 switch (Width) 1001 { 1002 case 8: 1003 *Value = 0xFF; 1004 break; 1005 1006 case 16: 1007 *Value = 0xFFFF; 1008 break; 1009 1010 case 32: 1011 *Value = 0xFFFFFFFF; 1012 break; 1013 } 1014 1015 return (AE_OK); 1016} 1017 1018 1019/****************************************************************************** 1020 * 1021 * FUNCTION: AcpiOsWritePort 1022 * 1023 * PARAMETERS: Address Address of I/O port/register to write 1024 * Value Value to write 1025 * Width Number of bits 1026 * 1027 * RETURN: None 1028 * 1029 * DESCRIPTION: Write data to an I/O port or register 1030 * 1031 *****************************************************************************/ 1032 1033ACPI_STATUS 1034AcpiOsWritePort ( 1035 ACPI_IO_ADDRESS Address, 1036 UINT32 Value, 1037 UINT32 Width) 1038{ 1039 1040 return (AE_OK); 1041} 1042 1043 1044/****************************************************************************** 1045 * 1046 * FUNCTION: AcpiOsReadMemory 1047 * 1048 * PARAMETERS: Address Physical Memory Address to read 1049 * Value Where value is placed 1050 * Width Number of bits 1051 * 1052 * RETURN: Value read from physical memory address 1053 * 1054 * DESCRIPTION: Read data from a physical memory address 1055 * 1056 *****************************************************************************/ 1057 1058ACPI_STATUS 1059AcpiOsReadMemory ( 1060 ACPI_PHYSICAL_ADDRESS Address, 1061 UINT32 *Value, 1062 UINT32 Width) 1063{ 1064 1065 switch (Width) 1066 { 1067 case 8: 1068 case 16: 1069 case 32: 1070 *Value = 0; 1071 break; 1072 1073 default: 1074 return (AE_BAD_PARAMETER); 1075 break; 1076 } 1077 return (AE_OK); 1078} 1079 1080 1081/****************************************************************************** 1082 * 1083 * FUNCTION: AcpiOsWriteMemory 1084 * 1085 * PARAMETERS: Address Physical Memory Address to write 1086 * Value Value to write 1087 * Width Number of bits 1088 * 1089 * RETURN: None 1090 * 1091 * DESCRIPTION: Write data to a physical memory address 1092 * 1093 *****************************************************************************/ 1094 1095ACPI_STATUS 1096AcpiOsWriteMemory ( 1097 ACPI_PHYSICAL_ADDRESS Address, 1098 UINT32 Value, 1099 UINT32 Width) 1100{ 1101 1102 return (AE_OK); 1103} 1104 1105 1106ACPI_THREAD_ID 1107AcpiOsGetThreadId(void) 1108{ 1109 return getpid(); 1110} 1111 1112 1113/****************************************************************************** 1114 * 1115 * FUNCTION: AcpiOsSignal 1116 * 1117 * PARAMETERS: Function ACPI CA signal function code 1118 * Info Pointer to function-dependent structure 1119 * 1120 * RETURN: Status 1121 * 1122 * DESCRIPTION: Miscellaneous functions 1123 * 1124 *****************************************************************************/ 1125 1126ACPI_STATUS 1127AcpiOsSignal ( 1128 UINT32 Function, 1129 void *Info) 1130{ 1131 1132 switch (Function) 1133 { 1134 case ACPI_SIGNAL_FATAL: 1135 break; 1136 1137 case ACPI_SIGNAL_BREAKPOINT: 1138 1139 if (Info) 1140 { 1141 AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Info); 1142 } 1143 else 1144 { 1145 AcpiOsPrintf ("At AcpiOsBreakpoint ****\n"); 1146 } 1147 1148 break; 1149 } 1150 1151 1152 return (AE_OK); 1153} 1154 1155 1156