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 #include "arch_init.h" 144 145 146 ACPI_MODULE_NAME("Haiku ACPI Module") 147 148 #define _COMPONENT ACPI_OS_SERVICES 149 150 // verbosity level 0 = off, 1 = normal, 2 = all 151 #define DEBUG_OSHAIKU 0 152 153 #if DEBUG_OSHAIKU <= 0 154 // No debugging, do nothing 155 # define DEBUG_FUNCTION() 156 # define DEBUG_FUNCTION_F(x, y...) 157 # define DEBUG_FUNCTION_V() 158 # define DEBUG_FUNCTION_VF(x, y...) 159 #else 160 # define DEBUG_FUNCTION() \ 161 dprintf("acpi[%" B_PRId32 "]: %s\n", find_thread(NULL), __PRETTY_FUNCTION__); 162 # define DEBUG_FUNCTION_F(x, y...) \ 163 dprintf("acpi[%" B_PRId32 "]: %s(" x ")\n", find_thread(NULL), __PRETTY_FUNCTION__, y); 164 # if DEBUG_OSHAIKU == 1 165 // No verbose debugging, do nothing 166 # define DEBUG_FUNCTION_V() 167 # define DEBUG_FUNCTION_VF(x, y...) 168 # else 169 // Full debugging 170 # define DEBUG_FUNCTION_V() \ 171 dprintf("acpi[%" B_PRId32 "]: %s\n", find_thread(NULL), __PRETTY_FUNCTION__); 172 # define DEBUG_FUNCTION_VF(x, y...) \ 173 dprintf("acpi[%" B_PRId32 "]: %s(" x ")\n", find_thread(NULL), __PRETTY_FUNCTION__, y); 174 # endif 175 #endif 176 177 178 #ifdef _KERNEL_MODE 179 extern pci_module_info *gPCIManager; 180 extern dpc_module_info *gDPC; 181 extern void *gDPCHandle; 182 #endif 183 184 extern FILE *AcpiGbl_DebugFile; 185 FILE *AcpiGbl_OutputFile; 186 187 static ACPI_PHYSICAL_ADDRESS sACPIRoot = 0; 188 static void *sInterruptHandlerData[32]; 189 190 191 /****************************************************************************** 192 * 193 * FUNCTION: AcpiOsInitialize, AcpiOsTerminate 194 * 195 * PARAMETERS: None 196 * 197 * RETURN: Status 198 * 199 * DESCRIPTION: Init and terminate. Nothing to do. 200 * 201 *****************************************************************************/ 202 ACPI_STATUS 203 AcpiOsInitialize() 204 { 205 #ifndef _KERNEL_MODE 206 AcpiGbl_OutputFile = stdout; 207 #else 208 AcpiGbl_OutputFile = NULL; 209 #endif 210 DEBUG_FUNCTION(); 211 return AE_OK; 212 } 213 214 215 ACPI_STATUS 216 AcpiOsTerminate() 217 { 218 DEBUG_FUNCTION(); 219 return AE_OK; 220 } 221 222 223 /****************************************************************************** 224 * 225 * FUNCTION: AcpiOsGetRootPointer 226 * 227 * PARAMETERS: None 228 * 229 * RETURN: RSDP physical address 230 * 231 * DESCRIPTION: Gets the root pointer (RSDP) 232 * 233 *****************************************************************************/ 234 ACPI_PHYSICAL_ADDRESS 235 AcpiOsGetRootPointer() 236 { 237 #ifdef _KERNEL_MODE 238 DEBUG_FUNCTION(); 239 if (sACPIRoot == 0) { 240 phys_addr_t* acpiRootPointer = (phys_addr_t*)get_boot_item("ACPI_ROOT_POINTER", NULL); 241 if (acpiRootPointer != NULL) 242 sACPIRoot = *acpiRootPointer; 243 244 if (sACPIRoot == 0) 245 sACPIRoot = arch_init_find_root_pointer(); 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 // Buffer the output until we have a complete line to send to syslog, this avoids added 414 // "KERN:" entries in the middle of the line, and mixing up of the ACPI output with other 415 // messages from other CPUs 416 static char outputBuffer[1024]; 417 418 // Append the new text to the buffer 419 size_t len = strlen(outputBuffer); 420 size_t printed = vsnprintf(outputBuffer + len, 1024 - len, fmt, args); 421 if (printed >= 1024 - len) { 422 // There was no space to fit the printed string in the outputBuffer. Remove what we added 423 // there, fush the buffer, and print the long string directly 424 outputBuffer[len] = '\0'; 425 dprintf("%s\n", outputBuffer); 426 outputBuffer[0] = '\0'; 427 dvprintf(fmt, args); 428 return; 429 } 430 431 // See if we have a complete line 432 char* eol = strchr(outputBuffer + len, '\n'); 433 while (eol != nullptr) { 434 // Print the completed line, then remove it from the buffer 435 *eol = 0; 436 dprintf("%s\n", outputBuffer); 437 memmove(outputBuffer, eol + 1, strlen(eol + 1) + 1); 438 // See if there is another line to print still in the buffer (in case ACPICA would call 439 // this function with a single string containing multiple newlines) 440 eol = strchr(outputBuffer, '\n'); 441 } 442 #endif 443 } 444 445 446 /****************************************************************************** 447 * 448 * FUNCTION: AcpiOsGetLine 449 * 450 * PARAMETERS: fmt Standard printf format 451 * args Argument list 452 * 453 * RETURN: Actual bytes read 454 * 455 * DESCRIPTION: Formatted input with argument list pointer 456 * 457 *****************************************************************************/ 458 UINT32 459 AcpiOsGetLine(char *buffer) 460 { 461 uint32 i = 0; 462 463 #ifndef _KERNEL_MODE 464 uint8 temp; 465 466 for (i = 0; ; i++) { 467 scanf("%1c", &temp); 468 if (!temp || temp == '\n') 469 break; 470 471 buffer[i] = temp; 472 } 473 #endif 474 475 buffer[i] = 0; 476 DEBUG_FUNCTION_F("buffer: \"%s\"; result: %" B_PRIu32, buffer, i); 477 return i; 478 } 479 480 481 /****************************************************************************** 482 * 483 * FUNCTION: AcpiOsMapMemory 484 * 485 * PARAMETERS: where Physical address of memory to be mapped 486 * length How much memory to map 487 * 488 * RETURN: Pointer to mapped memory. Null on error. 489 * 490 * DESCRIPTION: Map physical memory into caller's address space 491 * 492 *****************************************************************************/ 493 void * 494 AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS where, ACPI_SIZE length) 495 { 496 #ifdef _KERNEL_MODE 497 // map_physical_memory() defaults to uncached memory if no type is specified. 498 // But ACPICA handles flushing caches itself, so we don't need it uncached, 499 // and on some architectures (e.g. ARM) uncached memory does not support 500 // unaligned accesses. Hence we specify "writeback" to avoid the default. 501 void *there; 502 area_id area = map_physical_memory("acpi_physical_mem_area", (phys_addr_t)where, length, 503 B_ANY_KERNEL_ADDRESS | B_MTR_WB, B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA, &there); 504 505 DEBUG_FUNCTION_F("addr: 0x%08lx; length: %lu; mapped: %p; area: %" B_PRId32, 506 (addr_t)where, (size_t)length, there, area); 507 if (area < 0) { 508 dprintf("ACPI: cannot map memory at 0x%" B_PRIu64 ", length %" 509 B_PRIu64 "\n", (uint64)where, (uint64)length); 510 return NULL; 511 } 512 return there; 513 #else 514 return NULL; 515 #endif 516 517 // return ACPI_TO_POINTER((ACPI_SIZE) where); 518 } 519 520 521 /****************************************************************************** 522 * 523 * FUNCTION: AcpiOsUnmapMemory 524 * 525 * PARAMETERS: where Logical address of memory to be unmapped 526 * length How much memory to unmap 527 * 528 * RETURN: None. 529 * 530 * DESCRIPTION: Delete a previously created mapping. Where and Length must 531 * correspond to a previous mapping exactly. 532 * 533 *****************************************************************************/ 534 void 535 AcpiOsUnmapMemory(void *where, ACPI_SIZE length) 536 { 537 DEBUG_FUNCTION_F("mapped: %p; length: %lu", where, (size_t)length); 538 delete_area(area_for(where)); 539 } 540 541 542 /****************************************************************************** 543 * 544 * FUNCTION: AcpiOsAllocate 545 * 546 * PARAMETERS: size Amount to allocate, in bytes 547 * 548 * RETURN: Pointer to the new allocation. Null on error. 549 * 550 * DESCRIPTION: Allocate memory. Algorithm is dependent on the OS. 551 * 552 *****************************************************************************/ 553 void * 554 AcpiOsAllocate(ACPI_SIZE size) 555 { 556 void *mem = (void *) malloc(size); 557 DEBUG_FUNCTION_VF("result: %p", mem); 558 return mem; 559 } 560 561 562 /****************************************************************************** 563 * 564 * FUNCTION: AcpiOsFree 565 * 566 * PARAMETERS: mem Pointer to previously allocated memory 567 * 568 * RETURN: None. 569 * 570 * DESCRIPTION: Free memory allocated via AcpiOsAllocate 571 * 572 *****************************************************************************/ 573 void 574 AcpiOsFree(void *mem) 575 { 576 DEBUG_FUNCTION_VF("mem: %p", mem); 577 free(mem); 578 } 579 580 581 /****************************************************************************** 582 * 583 * FUNCTION: AcpiOsCreateSemaphore 584 * 585 * PARAMETERS: initialUnits - Units to be assigned to the new semaphore 586 * outHandle - Where a handle will be returned 587 * 588 * RETURN: Status 589 * 590 * DESCRIPTION: Create an OS semaphore 591 * 592 *****************************************************************************/ 593 ACPI_STATUS 594 AcpiOsCreateSemaphore(UINT32 maxUnits, UINT32 initialUnits, 595 ACPI_SEMAPHORE *outHandle) 596 { 597 if (!outHandle) 598 return AE_BAD_PARAMETER; 599 600 *outHandle = create_sem(initialUnits, "acpi_sem"); 601 DEBUG_FUNCTION_F("max: %" B_PRIu32 "; count: %" B_PRIu32 "; result: %" PRId32, 602 (uint32)maxUnits, (uint32)initialUnits, *outHandle); 603 604 if (*outHandle >= B_OK) 605 return AE_OK; 606 607 return *outHandle == B_BAD_VALUE ? AE_BAD_PARAMETER : AE_NO_MEMORY; 608 } 609 610 611 /****************************************************************************** 612 * 613 * FUNCTION: AcpiOsDeleteSemaphore 614 * 615 * PARAMETERS: handle - Handle returned by AcpiOsCreateSemaphore 616 * 617 * RETURN: Status 618 * 619 * DESCRIPTION: Delete an OS semaphore 620 * 621 *****************************************************************************/ 622 ACPI_STATUS 623 AcpiOsDeleteSemaphore(ACPI_SEMAPHORE handle) 624 { 625 DEBUG_FUNCTION_F("sem: %" B_PRId32, handle); 626 return delete_sem(handle) == B_OK ? AE_OK : AE_BAD_PARAMETER; 627 } 628 629 630 /****************************************************************************** 631 * 632 * FUNCTION: AcpiOsWaitSemaphore 633 * 634 * PARAMETERS: handle - Handle returned by AcpiOsCreateSemaphore 635 * units - How many units to wait for 636 * timeout - How long to wait 637 * 638 * RETURN: Status 639 * 640 * DESCRIPTION: Wait for units 641 * 642 *****************************************************************************/ 643 ACPI_STATUS 644 AcpiOsWaitSemaphore(ACPI_SEMAPHORE handle, UINT32 units, UINT16 timeout) 645 { 646 ACPI_STATUS result = AE_OK; 647 DEBUG_FUNCTION_VF("sem: %ld; count: %lu; timeout: %u", 648 handle, (uint32)units, timeout); 649 650 if (timeout == ACPI_WAIT_FOREVER) { 651 result = acquire_sem_etc(handle, units, 0, 0) 652 == B_OK ? AE_OK : AE_BAD_PARAMETER; 653 } else { 654 switch (acquire_sem_etc(handle, units, B_RELATIVE_TIMEOUT, 655 (bigtime_t)timeout * 1000)) { 656 case B_OK: 657 result = AE_OK; 658 break; 659 case B_INTERRUPTED: 660 case B_TIMED_OUT: 661 case B_WOULD_BLOCK: 662 result = AE_TIME; 663 break; 664 case B_BAD_VALUE: 665 default: 666 result = AE_BAD_PARAMETER; 667 break; 668 } 669 } 670 DEBUG_FUNCTION_VF("sem: %ld; count: %lu; timeout: %u result: %lu", 671 handle, (uint32)units, timeout, (uint32)result); 672 return result; 673 } 674 675 676 /****************************************************************************** 677 * 678 * FUNCTION: AcpiOsSignalSemaphore 679 * 680 * PARAMETERS: handle - Handle returned by AcpiOsCreateSemaphore 681 * units - Number of units to send 682 * 683 * RETURN: Status 684 * 685 * DESCRIPTION: Send units 686 * 687 *****************************************************************************/ 688 ACPI_STATUS 689 AcpiOsSignalSemaphore(ACPI_SEMAPHORE handle, UINT32 units) 690 { 691 status_t result; 692 DEBUG_FUNCTION_VF("sem: %ld; count: %lu", handle, (uint32)units); 693 // We can be called from interrupt handler, so don't reschedule 694 result = release_sem_etc(handle, units, B_DO_NOT_RESCHEDULE); 695 return result == B_OK ? AE_OK : AE_BAD_PARAMETER; 696 } 697 698 699 /****************************************************************************** 700 * 701 * FUNCTION: Spinlock interfaces 702 * 703 * DESCRIPTION: Map these interfaces to semaphore interfaces 704 * 705 *****************************************************************************/ 706 ACPI_STATUS 707 AcpiOsCreateLock(ACPI_SPINLOCK *outHandle) 708 { 709 *outHandle = (ACPI_SPINLOCK) malloc(sizeof(spinlock)); 710 DEBUG_FUNCTION_F("result: %p", *outHandle); 711 if (*outHandle == NULL) 712 return AE_NO_MEMORY; 713 714 B_INITIALIZE_SPINLOCK(*outHandle); 715 return AE_OK; 716 } 717 718 719 void 720 AcpiOsDeleteLock(ACPI_SPINLOCK handle) 721 { 722 DEBUG_FUNCTION(); 723 free((void*)handle); 724 } 725 726 727 ACPI_CPU_FLAGS 728 AcpiOsAcquireLock(ACPI_SPINLOCK handle) 729 { 730 cpu_status cpu; 731 DEBUG_FUNCTION_F("spinlock: %p", handle); 732 cpu = disable_interrupts(); 733 acquire_spinlock(handle); 734 return cpu; 735 } 736 737 738 void 739 AcpiOsReleaseLock(ACPI_SPINLOCK handle, ACPI_CPU_FLAGS flags) 740 { 741 release_spinlock(handle); 742 restore_interrupts(flags); 743 DEBUG_FUNCTION_F("spinlock: %p", handle); 744 } 745 746 747 /****************************************************************************** 748 * 749 * FUNCTION: AcpiOsInstallInterruptHandler 750 * 751 * PARAMETERS: interruptNumber Level handler should respond to. 752 * Isr Address of the ACPI interrupt handler 753 * ExceptPtr Where status is returned 754 * 755 * RETURN: Handle to the newly installed handler. 756 * 757 * DESCRIPTION: Install an interrupt handler. Used to install the ACPI 758 * OS-independent handler. 759 * 760 *****************************************************************************/ 761 UINT32 762 AcpiOsInstallInterruptHandler(UINT32 interruptNumber, 763 ACPI_OSD_HANDLER serviceRoutine, void *context) 764 { 765 status_t result; 766 DEBUG_FUNCTION_F("vector: %" B_PRIu32 "; handler: %p context %p", 767 (uint32)interruptNumber, serviceRoutine, context); 768 769 #ifdef _KERNEL_MODE 770 // It so happens that the Haiku and ACPI-CA interrupt handler routines 771 // return the same values with the same meanings 772 sInterruptHandlerData[interruptNumber] = context; 773 result = install_io_interrupt_handler(interruptNumber, 774 (interrupt_handler)serviceRoutine, context, 0); 775 776 DEBUG_FUNCTION_F("vector: %" B_PRIu32 "; handler: %p context %p returned %" B_PRId32, 777 (uint32)interruptNumber, serviceRoutine, context, (uint32)result); 778 779 return result == B_OK ? AE_OK : AE_BAD_PARAMETER; 780 #else 781 return AE_BAD_PARAMETER; 782 #endif 783 } 784 785 786 /****************************************************************************** 787 * 788 * FUNCTION: AcpiOsRemoveInterruptHandler 789 * 790 * PARAMETERS: Handle Returned when handler was installed 791 * 792 * RETURN: Status 793 * 794 * DESCRIPTION: Uninstalls an interrupt handler. 795 * 796 *****************************************************************************/ 797 ACPI_STATUS 798 AcpiOsRemoveInterruptHandler(UINT32 interruptNumber, 799 ACPI_OSD_HANDLER serviceRoutine) 800 { 801 DEBUG_FUNCTION_F("vector: %" B_PRIu32 "; handler: %p", (uint32)interruptNumber, 802 serviceRoutine); 803 #ifdef _KERNEL_MODE 804 return remove_io_interrupt_handler(interruptNumber, 805 (interrupt_handler)serviceRoutine, 806 sInterruptHandlerData[interruptNumber]) == B_OK ? AE_OK : AE_ERROR; 807 #else 808 return AE_ERROR; 809 #endif 810 } 811 812 813 /****************************************************************************** 814 * 815 * FUNCTION: AcpiOsExecute 816 * 817 * PARAMETERS: type - Type of execution 818 * function - Address of the function to execute 819 * context - Passed as a parameter to the function 820 * 821 * RETURN: Status. 822 * 823 * DESCRIPTION: Execute a new thread 824 * 825 *****************************************************************************/ 826 ACPI_STATUS 827 AcpiOsExecute(ACPI_EXECUTE_TYPE type, ACPI_OSD_EXEC_CALLBACK function, 828 void *context) 829 { 830 DEBUG_FUNCTION(); 831 /* TODO: Prioritize urgent? 832 switch (type) { 833 case OSL_GLOBAL_LOCK_HANDLER: 834 case OSL_NOTIFY_HANDLER: 835 case OSL_GPE_HANDLER: 836 case OSL_DEBUGGER_THREAD: 837 case OSL_EC_POLL_HANDLER: 838 case OSL_EC_BURST_HANDLER: 839 break; 840 } 841 */ 842 843 if (gDPC->queue_dpc(gDPCHandle, function, context) != B_OK) { 844 DEBUG_FUNCTION_F("Serious failure in AcpiOsExecute! function: %p", 845 function); 846 return AE_BAD_PARAMETER; 847 } 848 return AE_OK; 849 } 850 851 852 /****************************************************************************** 853 * 854 * FUNCTION: AcpiOsStall 855 * 856 * PARAMETERS: microseconds To sleep 857 * 858 * RETURN: Blocks until sleep is completed. 859 * 860 * DESCRIPTION: Sleep at microsecond granularity 861 * 862 *****************************************************************************/ 863 void 864 AcpiOsStall(UINT32 microseconds) 865 { 866 DEBUG_FUNCTION_F("microseconds: %" B_PRIu32, (uint32)microseconds); 867 if (microseconds) 868 spin(microseconds); 869 } 870 871 872 /****************************************************************************** 873 * 874 * FUNCTION: AcpiOsSleep 875 * 876 * PARAMETERS: milliseconds To sleep 877 * 878 * RETURN: Blocks until sleep is completed. 879 * 880 * DESCRIPTION: Sleep at millisecond granularity 881 * 882 *****************************************************************************/ 883 void 884 AcpiOsSleep(ACPI_INTEGER milliseconds) 885 { 886 DEBUG_FUNCTION_F("milliseconds: %" B_PRIu32, (uint32)milliseconds); 887 if (gKernelStartup) 888 spin(milliseconds * 1000); 889 else 890 snooze(milliseconds * 1000); 891 } 892 893 894 /****************************************************************************** 895 * 896 * FUNCTION: AcpiOsGetTimer 897 * 898 * PARAMETERS: None 899 * 900 * RETURN: Current time in 100 nanosecond units 901 * 902 * DESCRIPTION: Get the current system time 903 * 904 *****************************************************************************/ 905 UINT64 906 AcpiOsGetTimer() 907 { 908 DEBUG_FUNCTION(); 909 return system_time() * 10; 910 } 911 912 913 /****************************************************************************** 914 * 915 * FUNCTION: AcpiOsReadPciConfiguration 916 * 917 * PARAMETERS: pciId Seg/Bus/Dev 918 * reg Device Register 919 * value Buffer where value is placed 920 * width Number of bits 921 * 922 * RETURN: Status 923 * 924 * DESCRIPTION: Read data from PCI configuration space 925 * 926 *****************************************************************************/ 927 ACPI_STATUS 928 AcpiOsReadPciConfiguration(ACPI_PCI_ID *pciId, UINT32 reg, UINT64 *value, 929 UINT32 width) 930 { 931 #ifdef _KERNEL_MODE 932 DEBUG_FUNCTION(); 933 934 switch (width) { 935 case 8: 936 case 16: 937 case 32: 938 *value = gPCIManager->read_pci_config( 939 pciId->Bus, pciId->Device, pciId->Function, reg, width / 8); 940 break; 941 default: 942 return AE_ERROR; 943 } 944 return AE_OK; 945 #else 946 return AE_ERROR; 947 #endif 948 } 949 950 951 /****************************************************************************** 952 * 953 * FUNCTION: AcpiOsWritePciConfiguration 954 * 955 * PARAMETERS: pciId Seg/Bus/Dev 956 * reg Device Register 957 * value Value to be written 958 * width Number of bits 959 * 960 * RETURN: Status. 961 * 962 * DESCRIPTION: Write data to PCI configuration space 963 * 964 *****************************************************************************/ 965 ACPI_STATUS 966 AcpiOsWritePciConfiguration(ACPI_PCI_ID *pciId, UINT32 reg, 967 ACPI_INTEGER value, UINT32 width) 968 { 969 #ifdef _KERNEL_MODE 970 DEBUG_FUNCTION(); 971 gPCIManager->write_pci_config( 972 pciId->Bus, pciId->Device, pciId->Function, reg, width / 8, value); 973 return AE_OK; 974 #else 975 return AE_ERROR; 976 #endif 977 } 978 979 980 /****************************************************************************** 981 * 982 * FUNCTION: AcpiOsReadPort 983 * 984 * PARAMETERS: address Address of I/O port/register to read 985 * Value Where value is placed 986 * width Number of bits 987 * 988 * RETURN: Value read from port 989 * 990 * DESCRIPTION: Read data from an I/O port or register 991 * 992 *****************************************************************************/ 993 ACPI_STATUS 994 AcpiOsReadPort(ACPI_IO_ADDRESS address, UINT32 *value, UINT32 width) 995 { 996 #ifdef _KERNEL_MODE 997 DEBUG_FUNCTION_F("addr: 0x%08lx; width: %" B_PRIu32, (addr_t)address, (uint32)width); 998 switch (width) { 999 case 8: 1000 *value = gPCIManager->read_io_8(address); 1001 break; 1002 1003 case 16: 1004 *value = gPCIManager->read_io_16(address); 1005 break; 1006 1007 case 32: 1008 *value = gPCIManager->read_io_32(address); 1009 break; 1010 1011 default: 1012 return AE_ERROR; 1013 } 1014 1015 return AE_OK; 1016 #else 1017 return AE_ERROR; 1018 #endif 1019 } 1020 1021 1022 /****************************************************************************** 1023 * 1024 * FUNCTION: AcpiOsWritePort 1025 * 1026 * PARAMETERS: address Address of I/O port/register to write 1027 * value Value to write 1028 * width Number of bits 1029 * 1030 * RETURN: None 1031 * 1032 * DESCRIPTION: Write data to an I/O port or register 1033 * 1034 *****************************************************************************/ 1035 ACPI_STATUS 1036 AcpiOsWritePort(ACPI_IO_ADDRESS address, UINT32 value, UINT32 width) 1037 { 1038 #ifdef _KERNEL_MODE 1039 DEBUG_FUNCTION_F("addr: 0x%08lx; value: %" B_PRIu32 "; width: %" B_PRIu32, 1040 (addr_t)address, (uint32)value, (uint32)width); 1041 switch (width) { 1042 case 8: 1043 gPCIManager->write_io_8(address, value); 1044 break; 1045 1046 case 16: 1047 gPCIManager->write_io_16(address,value); 1048 break; 1049 1050 case 32: 1051 gPCIManager->write_io_32(address,value); 1052 break; 1053 1054 default: 1055 return AE_ERROR; 1056 } 1057 1058 return AE_OK; 1059 #else 1060 return AE_ERROR; 1061 #endif 1062 } 1063 1064 1065 /****************************************************************************** 1066 * 1067 * FUNCTION: AcpiOsReadMemory 1068 * 1069 * PARAMETERS: address Physical Memory Address to read 1070 * value Where value is placed 1071 * width Number of bits 1072 * 1073 * RETURN: Value read from physical memory address 1074 * 1075 * DESCRIPTION: Read data from a physical memory address 1076 * 1077 *****************************************************************************/ 1078 ACPI_STATUS 1079 AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS address, UINT64 *value, UINT32 width) 1080 { 1081 #ifdef _KERNEL_MODE 1082 if (vm_memcpy_from_physical(value, (phys_addr_t)address, width / 8, false) 1083 != B_OK) { 1084 return AE_ERROR; 1085 } 1086 return AE_OK; 1087 #else 1088 return AE_ERROR; 1089 #endif 1090 } 1091 1092 1093 /****************************************************************************** 1094 * 1095 * FUNCTION: AcpiOsWriteMemory 1096 * 1097 * PARAMETERS: address Physical Memory Address to write 1098 * value Value to write 1099 * width Number of bits 1100 * 1101 * RETURN: None 1102 * 1103 * DESCRIPTION: Write data to a physical memory address 1104 * 1105 *****************************************************************************/ 1106 ACPI_STATUS 1107 AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS address, UINT64 value, UINT32 width) 1108 { 1109 #ifdef _KERNEL_MODE 1110 if (vm_memcpy_to_physical((phys_addr_t)address, &value, width / 8, false) 1111 != B_OK) { 1112 return AE_ERROR; 1113 } 1114 return AE_OK; 1115 #else 1116 return AE_ERROR; 1117 #endif 1118 } 1119 1120 1121 /****************************************************************************** 1122 * 1123 * FUNCTION: AcpiOsReadable 1124 * 1125 * PARAMETERS: pointer - Area to be verified 1126 * length - Size of area 1127 * 1128 * RETURN: TRUE if readable for entire length 1129 * 1130 * DESCRIPTION: Verify that a pointer is valid for reading 1131 * 1132 *****************************************************************************/ 1133 BOOLEAN 1134 AcpiOsReadable(void *pointer, ACPI_SIZE length) 1135 { 1136 #ifdef _KERNEL_MODE 1137 return true; 1138 #else 1139 area_id id; 1140 area_info info; 1141 1142 DEBUG_FUNCTION_F("addr: %p; length: %lu", pointer, (size_t)length); 1143 1144 id = area_for(pointer); 1145 if (id == B_ERROR) return false; 1146 if (get_area_info(id, &info) != B_OK) return false; 1147 return (info.protection & B_READ_AREA) != 0 && 1148 ((char *)pointer) + length <= info.address + info.ram_size; 1149 #endif 1150 } 1151 1152 1153 /****************************************************************************** 1154 * 1155 * FUNCTION: AcpiOsWritable 1156 * 1157 * PARAMETERS: pointer - Area to be verified 1158 * length - Size of area 1159 * 1160 * RETURN: TRUE if writable for entire length 1161 * 1162 * DESCRIPTION: Verify that a pointer is valid for writing 1163 * 1164 *****************************************************************************/ 1165 BOOLEAN 1166 AcpiOsWritable(void *pointer, ACPI_SIZE length) 1167 { 1168 #ifdef _KERNEL_MODE 1169 return true; 1170 #else 1171 area_id id; 1172 area_info info; 1173 1174 DEBUG_FUNCTION_F("addr: %p; length: %lu", pointer, (size_t)length); 1175 1176 id = area_for(pointer); 1177 if (id == B_ERROR) return false; 1178 if (get_area_info(id, &info) != B_OK) return false; 1179 return (info.protection & B_READ_AREA) != 0 && 1180 (info.protection & B_WRITE_AREA) != 0 && 1181 ((char *)pointer) + length <= info.address + info.ram_size; 1182 #endif 1183 } 1184 1185 1186 /****************************************************************************** 1187 * 1188 * FUNCTION: AcpiOsGetThreadId 1189 * 1190 * PARAMETERS: None 1191 * 1192 * RETURN: Id of the running thread 1193 * 1194 * DESCRIPTION: Get the Id of the current (running) thread 1195 * 1196 * NOTE: The environment header should contain this line: 1197 * #define ACPI_THREAD_ID pthread_t 1198 * 1199 *****************************************************************************/ 1200 ACPI_THREAD_ID 1201 AcpiOsGetThreadId() 1202 { 1203 thread_id thread = find_thread(NULL); 1204 // TODO: We arn't allowed threads with id 0, handle this case. 1205 // ACPI treats a 0 return as an error, 1206 // but we are thread 0 in early boot 1207 return thread; 1208 } 1209 1210 1211 /****************************************************************************** 1212 * 1213 * FUNCTION: AcpiOsSignal 1214 * 1215 * PARAMETERS: function ACPI CA signal function code 1216 * info Pointer to function-dependent structure 1217 * 1218 * RETURN: Status 1219 * 1220 * DESCRIPTION: Miscellaneous functions. Example implementation only. 1221 * 1222 *****************************************************************************/ 1223 ACPI_STATUS 1224 AcpiOsSignal(UINT32 function, void *info) 1225 { 1226 DEBUG_FUNCTION(); 1227 1228 switch (function) { 1229 case ACPI_SIGNAL_FATAL: 1230 #ifdef _KERNEL_MODE 1231 panic("%s", info == NULL ? "AcpiOsSignal: fatal" : (const char*)info); 1232 break; 1233 #endif 1234 case ACPI_SIGNAL_BREAKPOINT: 1235 if (info != NULL) 1236 AcpiOsPrintf("AcpiOsBreakpoint: %s ****\n", (const char*)info); 1237 else 1238 AcpiOsPrintf("At AcpiOsBreakpoint ****\n"); 1239 break; 1240 } 1241 1242 return AE_OK; 1243 } 1244 1245 1246 /* 1247 * Adapted from FreeBSD since the documentation of its intended impl 1248 * is lacking. 1249 * Section 5.2.10.1: global lock acquire/release functions */ 1250 1251 /* 1252 * Adapted from FreeBSD since the documentation of its intended impl 1253 * is lacking. 1254 * Acquire the global lock. If busy, set the pending bit. The caller 1255 * will wait for notification from the BIOS that the lock is available 1256 * and then attempt to acquire it again. 1257 */ 1258 int 1259 AcpiOsAcquireGlobalLock(volatile uint32_t *lock) 1260 { 1261 uint32_t newValue; 1262 uint32_t oldValue; 1263 1264 do { 1265 oldValue = *lock; 1266 newValue = ((oldValue & ~ACPI_GLOCK_PENDING) | ACPI_GLOCK_OWNED); 1267 if ((oldValue & ACPI_GLOCK_OWNED) != 0) 1268 newValue |= ACPI_GLOCK_PENDING; 1269 } while (atomic_test_and_set((int32*)lock, newValue, oldValue) != (int32)oldValue); 1270 1271 return (newValue & ACPI_GLOCK_PENDING) == 0; 1272 } 1273 1274 1275 /* 1276 * Adapted from FreeBSD since the documentation of its intended impl 1277 * is lacking. 1278 * Release the global lock, returning whether there is a waiter pending. 1279 * If the BIOS set the pending bit, OSPM must notify the BIOS when it 1280 * releases the lock. 1281 */ 1282 int 1283 AcpiOsReleaseGlobalLock(volatile uint32_t *lock) 1284 { 1285 uint32 newValue; 1286 uint32 oldValue; 1287 1288 do { 1289 oldValue = *lock; 1290 newValue = oldValue & ~(ACPI_GLOCK_PENDING | ACPI_GLOCK_OWNED); 1291 } while (atomic_test_and_set((int32*)lock, newValue, oldValue) != (int32)oldValue); 1292 1293 return (oldValue & ACPI_GLOCK_PENDING) != 0; 1294 } 1295 1296 1297 ACPI_STATUS 1298 AcpiOsCreateMutex(ACPI_MUTEX* outHandle) 1299 { 1300 *outHandle = (ACPI_MUTEX) malloc(sizeof(mutex)); 1301 DEBUG_FUNCTION_F("result: %p", *outHandle); 1302 if (*outHandle == NULL) 1303 return AE_NO_MEMORY; 1304 1305 mutex_init(*outHandle, "acpi mutex"); 1306 return AE_OK; 1307 } 1308 1309 1310 void 1311 AcpiOsDeleteMutex(ACPI_MUTEX handle) 1312 { 1313 DEBUG_FUNCTION_F("mutex: %ld", (addr_t)handle); 1314 mutex_destroy(handle); 1315 free((void*)handle); 1316 } 1317 1318 1319 ACPI_STATUS 1320 AcpiOsAcquireMutex(ACPI_MUTEX handle, UINT16 timeout) 1321 { 1322 ACPI_STATUS result = AE_OK; 1323 DEBUG_FUNCTION_VF("mutex: %p; timeout: %u", handle, timeout); 1324 1325 if (timeout == ACPI_WAIT_FOREVER) { 1326 result = (mutex_lock(handle) == B_OK) ? AE_OK : AE_BAD_PARAMETER; 1327 } else if (timeout == ACPI_DO_NOT_WAIT) { 1328 result = (mutex_trylock(handle) == B_OK) ? AE_OK : AE_TIME; 1329 } else { 1330 switch (mutex_lock_with_timeout(handle, B_RELATIVE_TIMEOUT, 1331 (bigtime_t)timeout * 1000)) { 1332 case B_OK: 1333 result = AE_OK; 1334 break; 1335 case B_INTERRUPTED: 1336 case B_TIMED_OUT: 1337 case B_WOULD_BLOCK: 1338 result = AE_TIME; 1339 break; 1340 case B_BAD_VALUE: 1341 default: 1342 result = AE_BAD_PARAMETER; 1343 break; 1344 } 1345 } 1346 DEBUG_FUNCTION_VF("mutex: %p; timeout: %u result: %lu", 1347 handle, timeout, (uint32)result); 1348 return result; 1349 } 1350 1351 1352 void 1353 AcpiOsReleaseMutex(ACPI_MUTEX handle) 1354 { 1355 DEBUG_FUNCTION_F("mutex: %p", handle); 1356 mutex_unlock(handle); 1357 } 1358 1359 1360 /****************************************************************************** 1361 * 1362 * FUNCTION: AcpiOsWaitEventsComplete 1363 * 1364 * PARAMETERS: None 1365 * 1366 * RETURN: None 1367 * 1368 * DESCRIPTION: Wait for all asynchronous events to complete. This 1369 * implementation does nothing. 1370 * 1371 *****************************************************************************/ 1372 void 1373 AcpiOsWaitEventsComplete() 1374 { 1375 //TODO: FreeBSD See description. 1376 return; 1377 } 1378 1379 1380 /****************************************************************************** 1381 * 1382 * FUNCTION: AcpiOsEnterSleep 1383 * 1384 * PARAMETERS: SleepState - Which sleep state to enter 1385 * RegaValue - Register A value 1386 * RegbValue - Register B value 1387 * 1388 * RETURN: Status 1389 * 1390 * DESCRIPTION: A hook before writing sleep registers to enter the sleep 1391 * state. Return AE_CTRL_TERMINATE to skip further sleep register 1392 * writes. 1393 * 1394 *****************************************************************************/ 1395 1396 ACPI_STATUS 1397 AcpiOsEnterSleep ( 1398 UINT8 SleepState, 1399 UINT32 RegaValue, 1400 UINT32 RegbValue) 1401 { 1402 return (AE_OK); 1403 } 1404