1 /****************************************************************************** 2 * 3 * Module Name: oshaiku - Haiku OSL interfaces 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2009, 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 #include <stdio.h> 118 #include <sys/cdefs.h> 119 #include <time.h> 120 #include <unistd.h> 121 122 #include <OS.h> 123 124 #ifdef _KERNEL_MODE 125 # include <KernelExport.h> 126 127 # include <dpc.h> 128 # include <PCI.h> 129 130 # include <boot_item.h> 131 # include <kernel.h> 132 # include <vm/vm.h> 133 #endif 134 135 __BEGIN_DECLS 136 #include "acpi.h" 137 #include "accommon.h" 138 #include "amlcode.h" 139 #include "acparser.h" 140 #include "acdebug.h" 141 __END_DECLS 142 143 144 ACPI_MODULE_NAME("Haiku ACPI Module") 145 146 #define _COMPONENT ACPI_OS_SERVICES 147 148 // verbosity level 0 = off, 1 = normal, 2 = all 149 #define DEBUG_OSHAIKU 0 150 151 #if DEBUG_OSHAIKU <= 0 152 // No debugging, do nothing 153 # define DEBUG_FUNCTION() 154 # define DEBUG_FUNCTION_F(x, y...) 155 # define DEBUG_FUNCTION_V() 156 # define DEBUG_FUNCTION_VF(x, y...) 157 #else 158 # define DEBUG_FUNCTION() \ 159 dprintf("acpi[%ld]: %s\n", find_thread(NULL), __PRETTY_FUNCTION__); 160 # define DEBUG_FUNCTION_F(x, y...) \ 161 dprintf("acpi[%ld]: %s(" x ")\n", find_thread(NULL), __PRETTY_FUNCTION__, y); 162 # if DEBUG_OSHAIKU == 1 163 // No verbose debugging, do nothing 164 # define DEBUG_FUNCTION_V() 165 # define DEBUG_FUNCTION_VF(x, y...) 166 # else 167 // Full debugging 168 # define DEBUG_FUNCTION_V() \ 169 dprintf("acpi[%ld]: %s\n", find_thread(NULL), __PRETTY_FUNCTION__); 170 # define DEBUG_FUNCTION_VF(x, y...) \ 171 dprintf("acpi[%ld]: %s(" x ")\n", find_thread(NULL), __PRETTY_FUNCTION__, y); 172 # endif 173 #endif 174 175 176 #ifdef _KERNEL_MODE 177 extern pci_module_info *gPCIManager; 178 extern dpc_module_info *gDPC; 179 extern void *gDPCHandle; 180 #endif 181 182 extern FILE *AcpiGbl_DebugFile; 183 FILE *AcpiGbl_OutputFile; 184 185 static ACPI_PHYSICAL_ADDRESS sACPIRoot = 0; 186 static void *sInterruptHandlerData[32]; 187 188 189 /****************************************************************************** 190 * 191 * FUNCTION: AcpiOsInitialize, AcpiOsTerminate 192 * 193 * PARAMETERS: None 194 * 195 * RETURN: Status 196 * 197 * DESCRIPTION: Init and terminate. Nothing to do. 198 * 199 *****************************************************************************/ 200 ACPI_STATUS 201 AcpiOsInitialize() 202 { 203 #ifndef _KERNEL_MODE 204 AcpiGbl_OutputFile = stdout; 205 #else 206 AcpiGbl_OutputFile = NULL; 207 #endif 208 DEBUG_FUNCTION(); 209 return AE_OK; 210 } 211 212 213 ACPI_STATUS 214 AcpiOsTerminate() 215 { 216 DEBUG_FUNCTION(); 217 return AE_OK; 218 } 219 220 221 /****************************************************************************** 222 * 223 * FUNCTION: AcpiOsGetRootPointer 224 * 225 * PARAMETERS: None 226 * 227 * RETURN: RSDP physical address 228 * 229 * DESCRIPTION: Gets the root pointer (RSDP) 230 * 231 *****************************************************************************/ 232 ACPI_PHYSICAL_ADDRESS 233 AcpiOsGetRootPointer() 234 { 235 #ifdef _KERNEL_MODE 236 ACPI_PHYSICAL_ADDRESS address; 237 ACPI_STATUS status = AE_OK; 238 DEBUG_FUNCTION(); 239 if (sACPIRoot == 0) { 240 sACPIRoot = (ACPI_PHYSICAL_ADDRESS)get_boot_item("ACPI_ROOT_POINTER", NULL); 241 if (sACPIRoot == 0) { 242 status = AcpiFindRootPointer(&address); 243 if (status == AE_OK) 244 sACPIRoot = address; 245 } 246 } 247 return sACPIRoot; 248 #else 249 return AeLocalGetRootPointer(); 250 #endif 251 } 252 253 254 /****************************************************************************** 255 * 256 * FUNCTION: AcpiOsPredefinedOverride 257 * 258 * PARAMETERS: initVal - Initial value of the predefined object 259 * newVal - The new value for the object 260 * 261 * RETURN: Status, pointer to value. Null pointer returned if not 262 * overriding. 263 * 264 * DESCRIPTION: Allow the OS to override predefined names 265 * 266 *****************************************************************************/ 267 ACPI_STATUS 268 AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES *initVal, 269 ACPI_STRING *newVal) 270 { 271 DEBUG_FUNCTION(); 272 if (!initVal || !newVal) 273 return AE_BAD_PARAMETER; 274 275 *newVal = NULL; 276 return AE_OK; 277 } 278 279 280 /****************************************************************************** 281 * 282 * FUNCTION: AcpiOsTableOverride 283 * 284 * PARAMETERS: existingTable - Header of current table (probably firmware) 285 * newTable - Where an entire new table is returned. 286 * 287 * RETURN: Status, pointer to new table. Null pointer returned if no 288 * table is available to override 289 * 290 * DESCRIPTION: Return a different version of a table if one is available 291 * 292 *****************************************************************************/ 293 ACPI_STATUS 294 AcpiOsTableOverride(ACPI_TABLE_HEADER *existingTable, 295 ACPI_TABLE_HEADER **newTable) 296 { 297 DEBUG_FUNCTION(); 298 if (!existingTable || !newTable) 299 return AE_BAD_PARAMETER; 300 301 *newTable = NULL; 302 303 #ifdef ACPI_EXEC_APP 304 AeTableOverride(existingTable, newTable); 305 return AE_OK; 306 #else 307 return AE_NO_ACPI_TABLES; 308 #endif 309 } 310 311 312 /****************************************************************************** 313 * 314 * FUNCTION: AcpiOsPhysicalTableOverride 315 * 316 * PARAMETERS: existingTable - Header of current table (probably firmware) 317 * newAddress - Where new table address is returned 318 * (Physical address) 319 * newTableLength - Where new table length is returned 320 * 321 * RETURN: Status, address/length of new table. Null pointer returned 322 * if no table is available to override. 323 * 324 * DESCRIPTION: Returns AE_SUPPORT, function not used in user space. 325 * 326 *****************************************************************************/ 327 328 ACPI_STATUS 329 AcpiOsPhysicalTableOverride(ACPI_TABLE_HEADER *existingTable, 330 ACPI_PHYSICAL_ADDRESS *newAddress, UINT32 *newTableLength) 331 { 332 DEBUG_FUNCTION(); 333 return (AE_SUPPORT); 334 } 335 336 337 /****************************************************************************** 338 * 339 * FUNCTION: AcpiOsRedirectOutput 340 * 341 * PARAMETERS: destination - An open file handle/pointer 342 * 343 * RETURN: None 344 * 345 * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf 346 * 347 *****************************************************************************/ 348 void 349 AcpiOsRedirectOutput(void *destination) 350 { 351 DEBUG_FUNCTION(); 352 AcpiGbl_OutputFile = (FILE*)destination; 353 } 354 355 356 /****************************************************************************** 357 * 358 * FUNCTION: AcpiOsPrintf 359 * 360 * PARAMETERS: fmt, ... Standard printf format 361 * 362 * RETURN: None 363 * 364 * DESCRIPTION: Formatted output 365 * 366 *****************************************************************************/ 367 void ACPI_INTERNAL_VAR_XFACE 368 AcpiOsPrintf(const char *fmt, ...) 369 { 370 va_list args; 371 372 DEBUG_FUNCTION(); 373 va_start(args, fmt); 374 AcpiOsVprintf(fmt, args); 375 va_end(args); 376 } 377 378 379 /****************************************************************************** 380 * 381 * FUNCTION: AcpiOsVprintf 382 * 383 * PARAMETERS: fmt Standard printf format 384 * args Argument list 385 * 386 * RETURN: None 387 * 388 * DESCRIPTION: Formatted output with argument list pointer 389 * 390 *****************************************************************************/ 391 void 392 AcpiOsVprintf(const char *fmt, va_list args) 393 { 394 #ifndef _KERNEL_MODE 395 UINT8 flags; 396 397 flags = AcpiGbl_DbOutputFlags; 398 if (flags & ACPI_DB_REDIRECTABLE_OUTPUT) { 399 // Output is directable to either a file (if open) or the console 400 if (AcpiGbl_DebugFile) { 401 // Output file is open, send the output there 402 vfprintf(AcpiGbl_DebugFile, fmt, args); 403 } else { 404 // No redirection, send output to console (once only!) 405 flags |= ACPI_DB_CONSOLE_OUTPUT; 406 } 407 } 408 409 if (flags & ACPI_DB_CONSOLE_OUTPUT) { 410 vfprintf(AcpiGbl_OutputFile, fmt, args); 411 } 412 #else 413 static char outputBuffer[1024]; 414 vsnprintf(outputBuffer, 1024, fmt, args); 415 dprintf("%s", outputBuffer); 416 #endif 417 } 418 419 420 /****************************************************************************** 421 * 422 * FUNCTION: AcpiOsGetLine 423 * 424 * PARAMETERS: fmt Standard printf format 425 * args Argument list 426 * 427 * RETURN: Actual bytes read 428 * 429 * DESCRIPTION: Formatted input with argument list pointer 430 * 431 *****************************************************************************/ 432 UINT32 433 AcpiOsGetLine(char *buffer) 434 { 435 uint32 i = 0; 436 437 #ifndef _KERNEL_MODE 438 uint8 temp; 439 440 for (i = 0; ; i++) { 441 scanf("%1c", &temp); 442 if (!temp || temp == '\n') 443 break; 444 445 buffer[i] = temp; 446 } 447 #endif 448 449 buffer[i] = 0; 450 DEBUG_FUNCTION_F("buffer: \"%s\"; result: %lu", buffer, i); 451 return i; 452 } 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 void * 468 AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS where, ACPI_SIZE length) 469 { 470 #ifdef _KERNEL_MODE 471 void *there; 472 area_id area = map_physical_memory("acpi_physical_mem_area", 473 (phys_addr_t)where, length, B_ANY_KERNEL_ADDRESS, 474 B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA, &there); 475 476 DEBUG_FUNCTION_F("addr: 0x%08lx; length: %lu; mapped: %p; area: %ld", 477 (addr_t)where, (size_t)length, there, area); 478 if (area < 0) { 479 dprintf("ACPI: cannot map memory at 0x%" B_PRIu64 ", length %" 480 B_PRIu64 "\n", (uint64)where, (uint64)length); 481 return NULL; 482 } 483 return there; 484 #else 485 return NULL; 486 #endif 487 488 // return ACPI_TO_POINTER((ACPI_SIZE) where); 489 } 490 491 492 /****************************************************************************** 493 * 494 * FUNCTION: AcpiOsUnmapMemory 495 * 496 * PARAMETERS: where Logical address of memory to be unmapped 497 * length How much memory to unmap 498 * 499 * RETURN: None. 500 * 501 * DESCRIPTION: Delete a previously created mapping. Where and Length must 502 * correspond to a previous mapping exactly. 503 * 504 *****************************************************************************/ 505 void 506 AcpiOsUnmapMemory(void *where, ACPI_SIZE length) 507 { 508 DEBUG_FUNCTION_F("mapped: %p; length: %lu", where, (size_t)length); 509 delete_area(area_for(where)); 510 } 511 512 513 /****************************************************************************** 514 * 515 * FUNCTION: AcpiOsAllocate 516 * 517 * PARAMETERS: size Amount to allocate, in bytes 518 * 519 * RETURN: Pointer to the new allocation. Null on error. 520 * 521 * DESCRIPTION: Allocate memory. Algorithm is dependent on the OS. 522 * 523 *****************************************************************************/ 524 void * 525 AcpiOsAllocate(ACPI_SIZE size) 526 { 527 void *mem = (void *) malloc(size); 528 DEBUG_FUNCTION_VF("result: %p", mem); 529 return mem; 530 } 531 532 533 /****************************************************************************** 534 * 535 * FUNCTION: AcpiOsFree 536 * 537 * PARAMETERS: mem Pointer to previously allocated memory 538 * 539 * RETURN: None. 540 * 541 * DESCRIPTION: Free memory allocated via AcpiOsAllocate 542 * 543 *****************************************************************************/ 544 void 545 AcpiOsFree(void *mem) 546 { 547 DEBUG_FUNCTION_VF("mem: %p", mem); 548 free(mem); 549 } 550 551 552 /****************************************************************************** 553 * 554 * FUNCTION: AcpiOsCreateSemaphore 555 * 556 * PARAMETERS: initialUnits - Units to be assigned to the new semaphore 557 * outHandle - Where a handle will be returned 558 * 559 * RETURN: Status 560 * 561 * DESCRIPTION: Create an OS semaphore 562 * 563 *****************************************************************************/ 564 ACPI_STATUS 565 AcpiOsCreateSemaphore(UINT32 maxUnits, UINT32 initialUnits, 566 ACPI_SEMAPHORE *outHandle) 567 { 568 if (!outHandle) 569 return AE_BAD_PARAMETER; 570 571 *outHandle = create_sem(initialUnits, "acpi_sem"); 572 DEBUG_FUNCTION_F("max: %lu; count: %lu; result: %ld", 573 (uint32)maxUnits, (uint32)initialUnits, *outHandle); 574 575 if (*outHandle >= B_OK) 576 return AE_OK; 577 578 return *outHandle == B_BAD_VALUE ? AE_BAD_PARAMETER : AE_NO_MEMORY; 579 } 580 581 582 /****************************************************************************** 583 * 584 * FUNCTION: AcpiOsDeleteSemaphore 585 * 586 * PARAMETERS: handle - Handle returned by AcpiOsCreateSemaphore 587 * 588 * RETURN: Status 589 * 590 * DESCRIPTION: Delete an OS semaphore 591 * 592 *****************************************************************************/ 593 ACPI_STATUS 594 AcpiOsDeleteSemaphore(ACPI_SEMAPHORE handle) 595 { 596 DEBUG_FUNCTION_F("sem: %ld", handle); 597 return delete_sem(handle) == B_OK ? AE_OK : AE_BAD_PARAMETER; 598 } 599 600 601 /****************************************************************************** 602 * 603 * FUNCTION: AcpiOsWaitSemaphore 604 * 605 * PARAMETERS: handle - Handle returned by AcpiOsCreateSemaphore 606 * units - How many units to wait for 607 * timeout - How long to wait 608 * 609 * RETURN: Status 610 * 611 * DESCRIPTION: Wait for units 612 * 613 *****************************************************************************/ 614 ACPI_STATUS 615 AcpiOsWaitSemaphore(ACPI_SEMAPHORE handle, UINT32 units, UINT16 timeout) 616 { 617 ACPI_STATUS result = AE_OK; 618 DEBUG_FUNCTION_VF("sem: %ld; count: %lu; timeout: %u", 619 handle, (uint32)units, timeout); 620 621 if (timeout == ACPI_WAIT_FOREVER) { 622 result = acquire_sem_etc(handle, units, 0, 0) 623 == B_OK ? AE_OK : AE_BAD_PARAMETER; 624 } else { 625 switch (acquire_sem_etc(handle, units, B_RELATIVE_TIMEOUT, 626 (bigtime_t)timeout * 1000)) { 627 case B_OK: 628 result = AE_OK; 629 break; 630 case B_INTERRUPTED: 631 case B_TIMED_OUT: 632 case B_WOULD_BLOCK: 633 result = AE_TIME; 634 break; 635 case B_BAD_VALUE: 636 default: 637 result = AE_BAD_PARAMETER; 638 break; 639 } 640 } 641 DEBUG_FUNCTION_VF("sem: %ld; count: %lu; timeout: %u result: %lu", 642 handle, (uint32)units, timeout, (uint32)result); 643 return result; 644 } 645 646 647 /****************************************************************************** 648 * 649 * FUNCTION: AcpiOsSignalSemaphore 650 * 651 * PARAMETERS: handle - Handle returned by AcpiOsCreateSemaphore 652 * units - Number of units to send 653 * 654 * RETURN: Status 655 * 656 * DESCRIPTION: Send units 657 * 658 *****************************************************************************/ 659 ACPI_STATUS 660 AcpiOsSignalSemaphore(ACPI_SEMAPHORE handle, UINT32 units) 661 { 662 status_t result; 663 DEBUG_FUNCTION_VF("sem: %ld; count: %lu", handle, (uint32)units); 664 // We can be called from interrupt handler, so don't reschedule 665 result = release_sem_etc(handle, units, B_DO_NOT_RESCHEDULE); 666 return result == B_OK ? AE_OK : AE_BAD_PARAMETER; 667 } 668 669 670 /****************************************************************************** 671 * 672 * FUNCTION: Spinlock interfaces 673 * 674 * DESCRIPTION: Map these interfaces to semaphore interfaces 675 * 676 *****************************************************************************/ 677 ACPI_STATUS 678 AcpiOsCreateLock(ACPI_SPINLOCK *outHandle) 679 { 680 *outHandle = (ACPI_SPINLOCK) malloc(sizeof(spinlock)); 681 DEBUG_FUNCTION_F("result: %p", *outHandle); 682 if (*outHandle == NULL) 683 return AE_NO_MEMORY; 684 685 B_INITIALIZE_SPINLOCK(*outHandle); 686 return AE_OK; 687 } 688 689 690 void 691 AcpiOsDeleteLock(ACPI_SPINLOCK handle) 692 { 693 DEBUG_FUNCTION(); 694 free((void*)handle); 695 } 696 697 698 ACPI_CPU_FLAGS 699 AcpiOsAcquireLock(ACPI_SPINLOCK handle) 700 { 701 cpu_status cpu; 702 DEBUG_FUNCTION_F("spinlock: %p", handle); 703 cpu = disable_interrupts(); 704 acquire_spinlock(handle); 705 return cpu; 706 } 707 708 709 void 710 AcpiOsReleaseLock(ACPI_SPINLOCK handle, ACPI_CPU_FLAGS flags) 711 { 712 release_spinlock(handle); 713 restore_interrupts(flags); 714 DEBUG_FUNCTION_F("spinlock: %p", handle); 715 } 716 717 718 /****************************************************************************** 719 * 720 * FUNCTION: AcpiOsInstallInterruptHandler 721 * 722 * PARAMETERS: interruptNumber Level handler should respond to. 723 * Isr Address of the ACPI interrupt handler 724 * ExceptPtr Where status is returned 725 * 726 * RETURN: Handle to the newly installed handler. 727 * 728 * DESCRIPTION: Install an interrupt handler. Used to install the ACPI 729 * OS-independent handler. 730 * 731 *****************************************************************************/ 732 UINT32 733 AcpiOsInstallInterruptHandler(UINT32 interruptNumber, 734 ACPI_OSD_HANDLER serviceRoutine, void *context) 735 { 736 status_t result; 737 DEBUG_FUNCTION_F("vector: %lu; handler: %p context %p", 738 (uint32)interruptNumber, serviceRoutine, context); 739 740 #ifdef _KERNEL_MODE 741 // It so happens that the Haiku and ACPI-CA interrupt handler routines 742 // return the same values with the same meanings 743 sInterruptHandlerData[interruptNumber] = context; 744 result = install_io_interrupt_handler(interruptNumber, 745 (interrupt_handler)serviceRoutine, context, 0); 746 747 DEBUG_FUNCTION_F("vector: %lu; handler: %p context %p returned %lu", 748 (uint32)interruptNumber, serviceRoutine, context, (uint32)result); 749 750 return result == B_OK ? AE_OK : AE_BAD_PARAMETER; 751 #else 752 return AE_BAD_PARAMETER; 753 #endif 754 } 755 756 757 /****************************************************************************** 758 * 759 * FUNCTION: AcpiOsRemoveInterruptHandler 760 * 761 * PARAMETERS: Handle Returned when handler was installed 762 * 763 * RETURN: Status 764 * 765 * DESCRIPTION: Uninstalls an interrupt handler. 766 * 767 *****************************************************************************/ 768 ACPI_STATUS 769 AcpiOsRemoveInterruptHandler(UINT32 interruptNumber, 770 ACPI_OSD_HANDLER serviceRoutine) 771 { 772 DEBUG_FUNCTION_F("vector: %lu; handler: %p", (uint32)interruptNumber, 773 serviceRoutine); 774 #ifdef _KERNEL_MODE 775 return remove_io_interrupt_handler(interruptNumber, 776 (interrupt_handler)serviceRoutine, 777 sInterruptHandlerData[interruptNumber]) == B_OK ? AE_OK : AE_ERROR; 778 #else 779 return AE_ERROR; 780 #endif 781 } 782 783 784 /****************************************************************************** 785 * 786 * FUNCTION: AcpiOsExecute 787 * 788 * PARAMETERS: type - Type of execution 789 * function - Address of the function to execute 790 * context - Passed as a parameter to the function 791 * 792 * RETURN: Status. 793 * 794 * DESCRIPTION: Execute a new thread 795 * 796 *****************************************************************************/ 797 ACPI_STATUS 798 AcpiOsExecute(ACPI_EXECUTE_TYPE type, ACPI_OSD_EXEC_CALLBACK function, 799 void *context) 800 { 801 DEBUG_FUNCTION(); 802 /* TODO: Prioritize urgent? 803 switch (type) { 804 case OSL_GLOBAL_LOCK_HANDLER: 805 case OSL_NOTIFY_HANDLER: 806 case OSL_GPE_HANDLER: 807 case OSL_DEBUGGER_THREAD: 808 case OSL_EC_POLL_HANDLER: 809 case OSL_EC_BURST_HANDLER: 810 break; 811 } 812 */ 813 814 if (gDPC->queue_dpc(gDPCHandle, function, context) != B_OK) { 815 DEBUG_FUNCTION_F("Serious failure in AcpiOsExecute! function: %p", 816 function); 817 return AE_BAD_PARAMETER; 818 } 819 return AE_OK; 820 } 821 822 823 /****************************************************************************** 824 * 825 * FUNCTION: AcpiOsStall 826 * 827 * PARAMETERS: microseconds To sleep 828 * 829 * RETURN: Blocks until sleep is completed. 830 * 831 * DESCRIPTION: Sleep at microsecond granularity 832 * 833 *****************************************************************************/ 834 void 835 AcpiOsStall(UINT32 microseconds) 836 { 837 DEBUG_FUNCTION_F("microseconds: %lu", (uint32)microseconds); 838 if (microseconds) 839 spin(microseconds); 840 } 841 842 843 /****************************************************************************** 844 * 845 * FUNCTION: AcpiOsSleep 846 * 847 * PARAMETERS: milliseconds To sleep 848 * 849 * RETURN: Blocks until sleep is completed. 850 * 851 * DESCRIPTION: Sleep at millisecond granularity 852 * 853 *****************************************************************************/ 854 void 855 AcpiOsSleep(ACPI_INTEGER milliseconds) 856 { 857 DEBUG_FUNCTION_F("milliseconds: %lu", (uint32)milliseconds); 858 if (gKernelStartup) 859 spin(milliseconds * 1000); 860 else 861 snooze(milliseconds * 1000); 862 } 863 864 865 /****************************************************************************** 866 * 867 * FUNCTION: AcpiOsGetTimer 868 * 869 * PARAMETERS: None 870 * 871 * RETURN: Current time in 100 nanosecond units 872 * 873 * DESCRIPTION: Get the current system time 874 * 875 *****************************************************************************/ 876 UINT64 877 AcpiOsGetTimer() 878 { 879 DEBUG_FUNCTION(); 880 return system_time() * 10; 881 } 882 883 884 /****************************************************************************** 885 * 886 * FUNCTION: AcpiOsReadPciConfiguration 887 * 888 * PARAMETERS: pciId Seg/Bus/Dev 889 * reg Device Register 890 * value Buffer where value is placed 891 * width Number of bits 892 * 893 * RETURN: Status 894 * 895 * DESCRIPTION: Read data from PCI configuration space 896 * 897 *****************************************************************************/ 898 ACPI_STATUS 899 AcpiOsReadPciConfiguration(ACPI_PCI_ID *pciId, UINT32 reg, UINT64 *value, 900 UINT32 width) 901 { 902 #ifdef _KERNEL_MODE 903 DEBUG_FUNCTION(); 904 905 switch (width) { 906 case 8: 907 case 16: 908 case 32: 909 *value = gPCIManager->read_pci_config( 910 pciId->Bus, pciId->Device, pciId->Function, reg, width / 8); 911 break; 912 default: 913 return AE_ERROR; 914 } 915 return AE_OK; 916 #else 917 return AE_ERROR; 918 #endif 919 } 920 921 922 /****************************************************************************** 923 * 924 * FUNCTION: AcpiOsWritePciConfiguration 925 * 926 * PARAMETERS: pciId Seg/Bus/Dev 927 * reg Device Register 928 * value Value to be written 929 * width Number of bits 930 * 931 * RETURN: Status. 932 * 933 * DESCRIPTION: Write data to PCI configuration space 934 * 935 *****************************************************************************/ 936 ACPI_STATUS 937 AcpiOsWritePciConfiguration(ACPI_PCI_ID *pciId, UINT32 reg, 938 ACPI_INTEGER value, UINT32 width) 939 { 940 #ifdef _KERNEL_MODE 941 DEBUG_FUNCTION(); 942 gPCIManager->write_pci_config( 943 pciId->Bus, pciId->Device, pciId->Function, reg, width / 8, value); 944 return AE_OK; 945 #else 946 return AE_ERROR; 947 #endif 948 } 949 950 951 /****************************************************************************** 952 * 953 * FUNCTION: AcpiOsReadPort 954 * 955 * PARAMETERS: address Address of I/O port/register to read 956 * Value Where value is placed 957 * width Number of bits 958 * 959 * RETURN: Value read from port 960 * 961 * DESCRIPTION: Read data from an I/O port or register 962 * 963 *****************************************************************************/ 964 ACPI_STATUS 965 AcpiOsReadPort(ACPI_IO_ADDRESS address, UINT32 *value, UINT32 width) 966 { 967 #ifdef _KERNEL_MODE 968 DEBUG_FUNCTION_F("addr: 0x%08lx; width: %lu", (addr_t)address, (uint32)width); 969 switch (width) { 970 case 8: 971 *value = gPCIManager->read_io_8(address); 972 break; 973 974 case 16: 975 *value = gPCIManager->read_io_16(address); 976 break; 977 978 case 32: 979 *value = gPCIManager->read_io_32(address); 980 break; 981 982 default: 983 return AE_ERROR; 984 } 985 986 return AE_OK; 987 #else 988 return AE_ERROR; 989 #endif 990 } 991 992 993 /****************************************************************************** 994 * 995 * FUNCTION: AcpiOsWritePort 996 * 997 * PARAMETERS: address Address of I/O port/register to write 998 * value Value to write 999 * width Number of bits 1000 * 1001 * RETURN: None 1002 * 1003 * DESCRIPTION: Write data to an I/O port or register 1004 * 1005 *****************************************************************************/ 1006 ACPI_STATUS 1007 AcpiOsWritePort(ACPI_IO_ADDRESS address, UINT32 value, UINT32 width) 1008 { 1009 #ifdef _KERNEL_MODE 1010 DEBUG_FUNCTION_F("addr: 0x%08lx; value: %lu; width: %lu", 1011 (addr_t)address, (uint32)value, (uint32)width); 1012 switch (width) { 1013 case 8: 1014 gPCIManager->write_io_8(address, value); 1015 break; 1016 1017 case 16: 1018 gPCIManager->write_io_16(address,value); 1019 break; 1020 1021 case 32: 1022 gPCIManager->write_io_32(address,value); 1023 break; 1024 1025 default: 1026 return AE_ERROR; 1027 } 1028 1029 return AE_OK; 1030 #else 1031 return AE_ERROR; 1032 #endif 1033 } 1034 1035 1036 /****************************************************************************** 1037 * 1038 * FUNCTION: AcpiOsReadMemory 1039 * 1040 * PARAMETERS: address Physical Memory Address to read 1041 * value Where value is placed 1042 * width Number of bits 1043 * 1044 * RETURN: Value read from physical memory address 1045 * 1046 * DESCRIPTION: Read data from a physical memory address 1047 * 1048 *****************************************************************************/ 1049 ACPI_STATUS 1050 AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS address, UINT64 *value, UINT32 width) 1051 { 1052 #ifdef _KERNEL_MODE 1053 if (vm_memcpy_from_physical(value, (phys_addr_t)address, width / 8, false) 1054 != B_OK) { 1055 return AE_ERROR; 1056 } 1057 return AE_OK; 1058 #else 1059 return AE_ERROR; 1060 #endif 1061 } 1062 1063 1064 /****************************************************************************** 1065 * 1066 * FUNCTION: AcpiOsWriteMemory 1067 * 1068 * PARAMETERS: address Physical Memory Address to write 1069 * value Value to write 1070 * width Number of bits 1071 * 1072 * RETURN: None 1073 * 1074 * DESCRIPTION: Write data to a physical memory address 1075 * 1076 *****************************************************************************/ 1077 ACPI_STATUS 1078 AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS address, UINT64 value, UINT32 width) 1079 { 1080 #ifdef _KERNEL_MODE 1081 if (vm_memcpy_to_physical((phys_addr_t)address, &value, width / 8, false) 1082 != B_OK) { 1083 return AE_ERROR; 1084 } 1085 return AE_OK; 1086 #else 1087 return AE_ERROR; 1088 #endif 1089 } 1090 1091 1092 /****************************************************************************** 1093 * 1094 * FUNCTION: AcpiOsReadable 1095 * 1096 * PARAMETERS: pointer - Area to be verified 1097 * length - Size of area 1098 * 1099 * RETURN: TRUE if readable for entire length 1100 * 1101 * DESCRIPTION: Verify that a pointer is valid for reading 1102 * 1103 *****************************************************************************/ 1104 BOOLEAN 1105 AcpiOsReadable(void *pointer, ACPI_SIZE length) 1106 { 1107 #ifdef _KERNEL_MODE 1108 return true; 1109 #else 1110 area_id id; 1111 area_info info; 1112 1113 DEBUG_FUNCTION_F("addr: %p; length: %lu", pointer, (size_t)length); 1114 1115 id = area_for(pointer); 1116 if (id == B_ERROR) return false; 1117 if (get_area_info(id, &info) != B_OK) return false; 1118 return (info.protection & B_READ_AREA) != 0 && 1119 ((char *)pointer) + length <= info.address + info.ram_size; 1120 #endif 1121 } 1122 1123 1124 /****************************************************************************** 1125 * 1126 * FUNCTION: AcpiOsWritable 1127 * 1128 * PARAMETERS: pointer - Area to be verified 1129 * length - Size of area 1130 * 1131 * RETURN: TRUE if writable for entire length 1132 * 1133 * DESCRIPTION: Verify that a pointer is valid for writing 1134 * 1135 *****************************************************************************/ 1136 BOOLEAN 1137 AcpiOsWritable(void *pointer, ACPI_SIZE length) 1138 { 1139 #ifdef _KERNEL_MODE 1140 return true; 1141 #else 1142 area_id id; 1143 area_info info; 1144 1145 DEBUG_FUNCTION_F("addr: %p; length: %lu", pointer, (size_t)length); 1146 1147 id = area_for(pointer); 1148 if (id == B_ERROR) return false; 1149 if (get_area_info(id, &info) != B_OK) return false; 1150 return (info.protection & B_READ_AREA) != 0 && 1151 (info.protection & B_WRITE_AREA) != 0 && 1152 ((char *)pointer) + length <= info.address + info.ram_size; 1153 #endif 1154 } 1155 1156 1157 /****************************************************************************** 1158 * 1159 * FUNCTION: AcpiOsGetThreadId 1160 * 1161 * PARAMETERS: None 1162 * 1163 * RETURN: Id of the running thread 1164 * 1165 * DESCRIPTION: Get the Id of the current (running) thread 1166 * 1167 * NOTE: The environment header should contain this line: 1168 * #define ACPI_THREAD_ID pthread_t 1169 * 1170 *****************************************************************************/ 1171 ACPI_THREAD_ID 1172 AcpiOsGetThreadId() 1173 { 1174 thread_id thread = find_thread(NULL); 1175 // TODO: We arn't allowed threads with id 0, handle this case. 1176 // ACPI treats a 0 return as an error, 1177 // but we are thread 0 in early boot 1178 return thread; 1179 } 1180 1181 1182 /****************************************************************************** 1183 * 1184 * FUNCTION: AcpiOsSignal 1185 * 1186 * PARAMETERS: function ACPI CA signal function code 1187 * info Pointer to function-dependent structure 1188 * 1189 * RETURN: Status 1190 * 1191 * DESCRIPTION: Miscellaneous functions. Example implementation only. 1192 * 1193 *****************************************************************************/ 1194 ACPI_STATUS 1195 AcpiOsSignal(UINT32 function, void *info) 1196 { 1197 DEBUG_FUNCTION(); 1198 1199 switch (function) { 1200 case ACPI_SIGNAL_FATAL: 1201 #ifdef _KERNEL_MODE 1202 panic("%s", info == NULL ? "AcpiOsSignal: fatal" : (const char*)info); 1203 break; 1204 #endif 1205 case ACPI_SIGNAL_BREAKPOINT: 1206 if (info != NULL) 1207 AcpiOsPrintf("AcpiOsBreakpoint: %s ****\n", (const char*)info); 1208 else 1209 AcpiOsPrintf("At AcpiOsBreakpoint ****\n"); 1210 break; 1211 } 1212 1213 return AE_OK; 1214 } 1215 1216 1217 /* 1218 * Adapted from FreeBSD since the documentation of its intended impl 1219 * is lacking. 1220 * Section 5.2.10.1: global lock acquire/release functions */ 1221 #define GL_ACQUIRED (-1) 1222 #define GL_BUSY 0 1223 #define GL_BIT_PENDING 0x01 1224 #define GL_BIT_OWNED 0x02 1225 #define GL_BIT_MASK (GL_BIT_PENDING | GL_BIT_OWNED) 1226 1227 1228 /* 1229 * Adapted from FreeBSD since the documentation of its intended impl 1230 * is lacking. 1231 * Acquire the global lock. If busy, set the pending bit. The caller 1232 * will wait for notification from the BIOS that the lock is available 1233 * and then attempt to acquire it again. 1234 */ 1235 int 1236 AcpiOsAcquireGlobalLock(uint32 *lock) 1237 { 1238 uint32 newValue; 1239 uint32 oldValue; 1240 1241 do { 1242 oldValue = *lock; 1243 newValue = ((oldValue & ~GL_BIT_MASK) | GL_BIT_OWNED) | 1244 ((oldValue >> 1) & GL_BIT_PENDING); 1245 atomic_test_and_set((int32*)lock, newValue, oldValue); 1246 } while (*lock == oldValue); 1247 return ((newValue < GL_BIT_MASK) ? GL_ACQUIRED : GL_BUSY); 1248 } 1249 1250 1251 /* 1252 * Adapted from FreeBSD since the documentation of its intended impl 1253 * is lacking. 1254 * Release the global lock, returning whether there is a waiter pending. 1255 * If the BIOS set the pending bit, OSPM must notify the BIOS when it 1256 * releases the lock. 1257 */ 1258 int 1259 AcpiOsReleaseGlobalLock(uint32 *lock) 1260 { 1261 uint32 newValue; 1262 uint32 oldValue; 1263 1264 do { 1265 oldValue = *lock; 1266 newValue = oldValue & ~GL_BIT_MASK; 1267 atomic_test_and_set((int32*)lock, newValue, oldValue); 1268 } while (*lock == oldValue); 1269 return (oldValue & GL_BIT_PENDING); 1270 } 1271 1272 1273 ACPI_STATUS 1274 AcpiOsCreateMutex(ACPI_MUTEX* outHandle) 1275 { 1276 *outHandle = (ACPI_MUTEX) malloc(sizeof(mutex)); 1277 DEBUG_FUNCTION_F("result: %p", *outHandle); 1278 if (*outHandle == NULL) 1279 return AE_NO_MEMORY; 1280 1281 mutex_init(*outHandle, "acpi mutex"); 1282 return AE_OK; 1283 } 1284 1285 1286 void 1287 AcpiOsDeleteMutex(ACPI_MUTEX handle) 1288 { 1289 DEBUG_FUNCTION_F("mutex: %ld", (addr_t)handle); 1290 mutex_destroy(handle); 1291 free((void*)handle); 1292 } 1293 1294 1295 ACPI_STATUS 1296 AcpiOsAcquireMutex(ACPI_MUTEX handle, UINT16 timeout) 1297 { 1298 ACPI_STATUS result = AE_OK; 1299 DEBUG_FUNCTION_VF("mutex: %p; timeout: %u", handle, timeout); 1300 1301 if (timeout == ACPI_WAIT_FOREVER) { 1302 result = (mutex_lock(handle) == B_OK) ? AE_OK : AE_BAD_PARAMETER; 1303 } else if (timeout == ACPI_DO_NOT_WAIT) { 1304 result = (mutex_trylock(handle) == B_OK) ? AE_OK : AE_TIME; 1305 } else { 1306 switch (mutex_lock_with_timeout(handle, B_RELATIVE_TIMEOUT, 1307 (bigtime_t)timeout * 1000)) { 1308 case B_OK: 1309 result = AE_OK; 1310 break; 1311 case B_INTERRUPTED: 1312 case B_TIMED_OUT: 1313 case B_WOULD_BLOCK: 1314 result = AE_TIME; 1315 break; 1316 case B_BAD_VALUE: 1317 default: 1318 result = AE_BAD_PARAMETER; 1319 break; 1320 } 1321 } 1322 DEBUG_FUNCTION_VF("mutex: %p; timeout: %u result: %lu", 1323 handle, timeout, (uint32)result); 1324 return result; 1325 } 1326 1327 1328 void 1329 AcpiOsReleaseMutex(ACPI_MUTEX handle) 1330 { 1331 DEBUG_FUNCTION_F("mutex: %p", handle); 1332 mutex_unlock(handle); 1333 } 1334 1335 1336 /****************************************************************************** 1337 * 1338 * FUNCTION: AcpiOsWaitEventsComplete 1339 * 1340 * PARAMETERS: None 1341 * 1342 * RETURN: None 1343 * 1344 * DESCRIPTION: Wait for all asynchronous events to complete. This 1345 * implementation does nothing. 1346 * 1347 *****************************************************************************/ 1348 void 1349 AcpiOsWaitEventsComplete() 1350 { 1351 //TODO: FreeBSD See description. 1352 return; 1353 } 1354 1355 1356 /****************************************************************************** 1357 * 1358 * FUNCTION: AcpiOsEnterSleep 1359 * 1360 * PARAMETERS: SleepState - Which sleep state to enter 1361 * RegaValue - Register A value 1362 * RegbValue - Register B value 1363 * 1364 * RETURN: Status 1365 * 1366 * DESCRIPTION: A hook before writing sleep registers to enter the sleep 1367 * state. Return AE_CTRL_TERMINATE to skip further sleep register 1368 * writes. 1369 * 1370 *****************************************************************************/ 1371 1372 ACPI_STATUS 1373 AcpiOsEnterSleep ( 1374 UINT8 SleepState, 1375 UINT32 RegaValue, 1376 UINT32 RegbValue) 1377 { 1378 return (AE_OK); 1379 } 1380