osunixxf.c revision 151944 
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 - 2005, 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 <contrib/dev/acpica/acpi.h>
129#include <contrib/dev/acpica/amlcode.h>
130#include <contrib/dev/acpica/acparser.h>
131#include <contrib/dev/acpica/acdebug.h>
132
133#include <contrib/dev/acpica/compiler/aslcompiler.h>
134
135#define _COMPONENT          ACPI_OS_SERVICES
136        ACPI_MODULE_NAME    ("osunixxf")
137
138
139extern FILE                    *AcpiGbl_DebugFile;
140FILE                           *AcpiGbl_OutputFile;
141
142
143/******************************************************************************
144 *
145 * FUNCTION:    AcpiOsInitialize, AcpiOsTerminate
146 *
147 * PARAMETERS:  None
148 *
149 * RETURN:      Status
150 *
151 * DESCRIPTION: Init and terminate.  Nothing to do.
152 *
153 *****************************************************************************/
154
155ACPI_STATUS
156AcpiOsInitialize (void)
157{
158    AcpiGbl_OutputFile = stdout;
159
160    return AE_OK;
161}
162
163
164ACPI_STATUS
165AcpiOsTerminate (void)
166{
167    return AE_OK;
168}
169
170
171/******************************************************************************
172 *
173 * FUNCTION:    AcpiOsGetRootPointer
174 *
175 * PARAMETERS:  Flags   - Logical or physical addressing mode
176 *              Address - Where the address is returned
177 *
178 * RETURN:      Status
179 *
180 * DESCRIPTION: Gets the root pointer (RSDP)
181 *
182 *****************************************************************************/
183
184ACPI_STATUS
185AcpiOsGetRootPointer (
186    UINT32                  Flags,
187    ACPI_POINTER           *Address)
188{
189
190    return (AeLocalGetRootPointer(Flags, (ACPI_PHYSICAL_ADDRESS *) Address));
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_STRNCMP (ExistingTable->Signature, DSDT_SIG, ACPI_NAME_SIZE))
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 *              there               Logical address of mapped memory
462 *
463 * RETURN:      Pointer to mapped memory.  Null on error.
464 *
465 * DESCRIPTION: Map physical memory into caller's address space
466 *
467 *****************************************************************************/
468
469ACPI_STATUS
470AcpiOsMapMemory (
471    ACPI_PHYSICAL_ADDRESS   where,
472    ACPI_SIZE               length,
473    void                    **there)
474{
475    *there = ACPI_TO_POINTER (where);
476
477    return AE_OK;
478}
479
480
481/******************************************************************************
482 *
483 * FUNCTION:    AcpiOsUnmapMemory
484 *
485 * PARAMETERS:  where               Logical address of memory to be unmapped
486 *              length              How much memory to unmap
487 *
488 * RETURN:      None.
489 *
490 * DESCRIPTION: Delete a previously created mapping.  Where and Length must
491 *              correspond to a previous mapping exactly.
492 *
493 *****************************************************************************/
494
495void
496AcpiOsUnmapMemory (
497    void                    *where,
498    ACPI_SIZE               length)
499{
500
501    return;
502}
503
504
505/******************************************************************************
506 *
507 * FUNCTION:    AcpiOsAllocate
508 *
509 * PARAMETERS:  Size                Amount to allocate, in bytes
510 *
511 * RETURN:      Pointer to the new allocation.  Null on error.
512 *
513 * DESCRIPTION: Allocate memory.  Algorithm is dependent on the OS.
514 *
515 *****************************************************************************/
516
517void *
518AcpiOsAllocate (
519    ACPI_SIZE               size)
520{
521    void                    *Mem;
522
523
524    Mem = (void *) malloc ((size_t) size);
525
526    return Mem;
527}
528
529
530/******************************************************************************
531 *
532 * FUNCTION:    AcpiOsFree
533 *
534 * PARAMETERS:  mem                 Pointer to previously allocated memory
535 *
536 * RETURN:      None.
537 *
538 * DESCRIPTION: Free memory allocated via AcpiOsAllocate
539 *
540 *****************************************************************************/
541
542void
543AcpiOsFree (
544    void                    *mem)
545{
546
547
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
565ACPI_STATUS
566AcpiOsCreateSemaphore (
567    UINT32              MaxUnits,
568    UINT32              InitialUnits,
569    ACPI_HANDLE         *OutHandle)
570{
571
572
573    *OutHandle = (ACPI_HANDLE) 1;
574    return AE_OK;
575}
576
577/******************************************************************************
578 *
579 * FUNCTION:    AcpiOsDeleteSemaphore
580 *
581 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
582 *
583 * RETURN:      Status
584 *
585 * DESCRIPTION: Delete an OS semaphore
586 *
587 *****************************************************************************/
588
589ACPI_STATUS
590AcpiOsDeleteSemaphore (
591    ACPI_HANDLE         Handle)
592{
593
594    if (!Handle)
595    {
596        return AE_BAD_PARAMETER;
597    }
598
599    return AE_OK;
600}
601
602
603/******************************************************************************
604 *
605 * FUNCTION:    AcpiOsWaitSemaphore
606 *
607 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
608 *              Units               - How many units to wait for
609 *              Timeout             - How long to wait
610 *
611 * RETURN:      Status
612 *
613 * DESCRIPTION: Wait for units
614 *
615 *****************************************************************************/
616
617ACPI_STATUS
618AcpiOsWaitSemaphore (
619    ACPI_HANDLE         Handle,
620    UINT32              Units,
621    UINT16              Timeout)
622{
623
624
625    return AE_OK;
626}
627
628
629/******************************************************************************
630 *
631 * FUNCTION:    AcpiOsSignalSemaphore
632 *
633 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
634 *              Units               - Number of units to send
635 *
636 * RETURN:      Status
637 *
638 * DESCRIPTION: Send units
639 *
640 *****************************************************************************/
641
642ACPI_STATUS
643AcpiOsSignalSemaphore (
644    ACPI_HANDLE         Handle,
645    UINT32              Units)
646{
647
648
649    return AE_OK;
650}
651
652
653ACPI_STATUS
654AcpiOsCreateLock (
655    ACPI_HANDLE             *OutHandle)
656{
657
658    return (AcpiOsCreateSemaphore (1, 1, OutHandle));
659}
660
661void
662AcpiOsDeleteLock (
663    ACPI_HANDLE             Handle)
664{
665    AcpiOsDeleteSemaphore (Handle);
666}
667
668
669ACPI_NATIVE_UINT
670AcpiOsAcquireLock (
671    ACPI_HANDLE             Handle)
672{
673    AcpiOsWaitSemaphore (Handle, 1, 0xFFFF);
674    return (0);
675}
676
677
678void
679AcpiOsReleaseLock (
680    ACPI_HANDLE             Handle,
681    ACPI_NATIVE_UINT        Flags)
682{
683    AcpiOsSignalSemaphore (Handle, 1);
684}
685
686
687/******************************************************************************
688 *
689 * FUNCTION:    AcpiOsInstallInterruptHandler
690 *
691 * PARAMETERS:  InterruptNumber     Level handler should respond to.
692 *              Isr                 Address of the ACPI interrupt handler
693 *              ExceptPtr           Where status is returned
694 *
695 * RETURN:      Handle to the newly installed handler.
696 *
697 * DESCRIPTION: Install an interrupt handler.  Used to install the ACPI
698 *              OS-independent handler.
699 *
700 *****************************************************************************/
701
702UINT32
703AcpiOsInstallInterruptHandler (
704    UINT32                  InterruptNumber,
705    ACPI_OSD_HANDLER        ServiceRoutine,
706    void                    *Context)
707{
708
709
710    return AE_OK;
711}
712
713
714/******************************************************************************
715 *
716 * FUNCTION:    AcpiOsRemoveInterruptHandler
717 *
718 * PARAMETERS:  Handle              Returned when handler was installed
719 *
720 * RETURN:      Status
721 *
722 * DESCRIPTION: Uninstalls an interrupt handler.
723 *
724 *****************************************************************************/
725
726ACPI_STATUS
727AcpiOsRemoveInterruptHandler (
728    UINT32                  InterruptNumber,
729    ACPI_OSD_HANDLER        ServiceRoutine)
730{
731
732    return AE_OK;
733}
734
735
736/******************************************************************************
737 *
738 * FUNCTION:    AcpiOsQueueForExecution
739 *
740 * PARAMETERS:  Priority        - Requested execution priority
741 *              Function        - Address of the function to execute
742 *              Context         - Passed as a parameter to the function
743 *
744 * RETURN:      Status.
745 *
746 * DESCRIPTION: Sleep at microsecond granularity
747 *
748 *****************************************************************************/
749
750ACPI_STATUS
751AcpiOsQueueForExecution (
752    UINT32                  Priority,
753    ACPI_OSD_EXEC_CALLBACK  Function,
754    void                    *Context)
755{
756
757//    _beginthread (Function, (unsigned) 0, Context);
758    return 0;
759}
760
761
762/******************************************************************************
763 *
764 * FUNCTION:    AcpiOsBreakpoint
765 *
766 * PARAMETERS:  Msg                 Message to print
767 *
768 * RETURN:      Status
769 *
770 * DESCRIPTION: Print a message and break to the debugger.
771 *
772 *****************************************************************************/
773
774ACPI_STATUS
775AcpiOsBreakpoint (
776    char                    *Msg)
777{
778
779    /* Print the message and do an INT 3 */
780
781    if (Msg)
782    {
783        AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Msg);
784    }
785    else
786    {
787        AcpiOsPrintf ("At AcpiOsBreakpoint ****\n");
788    }
789
790
791    return AE_OK;
792}
793
794
795/******************************************************************************
796 *
797 * FUNCTION:    AcpiOsStall
798 *
799 * PARAMETERS:  microseconds        To sleep
800 *
801 * RETURN:      Blocks until sleep is completed.
802 *
803 * DESCRIPTION: Sleep at microsecond granularity
804 *
805 *****************************************************************************/
806
807void
808AcpiOsStall (
809    UINT32                  microseconds)
810{
811
812    if (microseconds)
813    {
814        usleep (microseconds);
815    }
816    return;
817}
818
819
820/******************************************************************************
821 *
822 * FUNCTION:    AcpiOsSleep
823 *
824 * PARAMETERS:  milliseconds        To sleep
825 *
826 * RETURN:      Blocks until sleep is completed.
827 *
828 * DESCRIPTION: Sleep at millisecond granularity
829 *
830 *****************************************************************************/
831
832void
833AcpiOsSleep (
834    ACPI_INTEGER            milliseconds)
835{
836
837    sleep (milliseconds / 1000);    /* Sleep for whole seconds */
838
839    /*
840     * Arg to usleep() must be less than 1,000,000 (1 second)
841     */
842    usleep ((milliseconds % 1000) * 1000);      /* Sleep for remaining usecs */
843
844    return;
845}
846
847/******************************************************************************
848 *
849 * FUNCTION:    AcpiOsGetTimer
850 *
851 * PARAMETERS:  None
852 *
853 * RETURN:      Current time in 100 nanosecond units
854 *
855 * DESCRIPTION: Get the current system time
856 *
857 *****************************************************************************/
858
859UINT64
860AcpiOsGetTimer (void)
861{
862    struct timeval  time;
863
864    gettimeofday(&time, NULL);
865
866    /* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */
867
868    return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10));
869}
870
871
872/******************************************************************************
873 *
874 * FUNCTION:    AcpiOsReadPciConfiguration
875 *
876 * PARAMETERS:  PciId               Seg/Bus/Dev
877 *              Register            Device Register
878 *              Value               Buffer where value is placed
879 *              Width               Number of bits
880 *
881 * RETURN:      Status
882 *
883 * DESCRIPTION: Read data from PCI configuration space
884 *
885 *****************************************************************************/
886
887ACPI_STATUS
888AcpiOsReadPciConfiguration (
889    ACPI_PCI_ID             *PciId,
890    UINT32                  Register,
891    void                    *Value,
892    UINT32                  Width)
893{
894
895    return (AE_OK);
896}
897
898
899/******************************************************************************
900 *
901 * FUNCTION:    AcpiOsWritePciConfiguration
902 *
903 * PARAMETERS:  PciId               Seg/Bus/Dev
904 *              Register            Device Register
905 *              Value               Value to be written
906 *              Width               Number of bits
907 *
908 * RETURN:      Status.
909 *
910 * DESCRIPTION: Write data to PCI configuration space
911 *
912 *****************************************************************************/
913
914ACPI_STATUS
915AcpiOsWritePciConfiguration (
916    ACPI_PCI_ID             *PciId,
917    UINT32                  Register,
918    ACPI_INTEGER            Value,
919    UINT32                  Width)
920{
921
922    return (AE_OK);
923}
924
925/* TEMPORARY STUB FUNCTION */
926void
927AcpiOsDerivePciId(
928    ACPI_HANDLE             rhandle,
929    ACPI_HANDLE             chandle,
930    ACPI_PCI_ID             **PciId)
931{
932
933}
934
935
936/******************************************************************************
937 *
938 * FUNCTION:    AcpiOsReadPort
939 *
940 * PARAMETERS:  Address             Address of I/O port/register to read
941 *              Value               Where value is placed
942 *              Width               Number of bits
943 *
944 * RETURN:      Value read from port
945 *
946 * DESCRIPTION: Read data from an I/O port or register
947 *
948 *****************************************************************************/
949
950ACPI_STATUS
951AcpiOsReadPort (
952    ACPI_IO_ADDRESS         Address,
953    UINT32                  *Value,
954    UINT32                  Width)
955{
956
957    switch (Width)
958    {
959    case 8:
960        *Value = 0xFF;
961        break;
962
963    case 16:
964        *Value = 0xFFFF;
965        break;
966
967    case 32:
968        *Value = 0xFFFFFFFF;
969        break;
970    }
971
972    return (AE_OK);
973}
974
975
976/******************************************************************************
977 *
978 * FUNCTION:    AcpiOsWritePort
979 *
980 * PARAMETERS:  Address             Address of I/O port/register to write
981 *              Value               Value to write
982 *              Width               Number of bits
983 *
984 * RETURN:      None
985 *
986 * DESCRIPTION: Write data to an I/O port or register
987 *
988 *****************************************************************************/
989
990ACPI_STATUS
991AcpiOsWritePort (
992    ACPI_IO_ADDRESS         Address,
993    UINT32                  Value,
994    UINT32                  Width)
995{
996
997    return (AE_OK);
998}
999
1000
1001/******************************************************************************
1002 *
1003 * FUNCTION:    AcpiOsReadMemory
1004 *
1005 * PARAMETERS:  Address             Physical Memory Address to read
1006 *              Value               Where value is placed
1007 *              Width               Number of bits
1008 *
1009 * RETURN:      Value read from physical memory address
1010 *
1011 * DESCRIPTION: Read data from a physical memory address
1012 *
1013 *****************************************************************************/
1014
1015ACPI_STATUS
1016AcpiOsReadMemory (
1017    ACPI_PHYSICAL_ADDRESS   Address,
1018    UINT32                  *Value,
1019    UINT32                  Width)
1020{
1021
1022    switch (Width)
1023    {
1024    case 8:
1025    case 16:
1026    case 32:
1027        *Value = 0;
1028        break;
1029
1030    default:
1031        return (AE_BAD_PARAMETER);
1032        break;
1033    }
1034    return (AE_OK);
1035}
1036
1037
1038/******************************************************************************
1039 *
1040 * FUNCTION:    AcpiOsWriteMemory
1041 *
1042 * PARAMETERS:  Address             Physical Memory Address to write
1043 *              Value               Value to write
1044 *              Width               Number of bits
1045 *
1046 * RETURN:      None
1047 *
1048 * DESCRIPTION: Write data to a physical memory address
1049 *
1050 *****************************************************************************/
1051
1052ACPI_STATUS
1053AcpiOsWriteMemory (
1054    ACPI_PHYSICAL_ADDRESS   Address,
1055    UINT32                  Value,
1056    UINT32                  Width)
1057{
1058
1059    return (AE_OK);
1060}
1061
1062
1063UINT32
1064AcpiOsGetThreadId(void)
1065{
1066    return getpid();
1067}
1068
1069
1070/******************************************************************************
1071 *
1072 * FUNCTION:    AcpiOsSignal
1073 *
1074 * PARAMETERS:  Function            ACPI CA signal function code
1075 *              Info                Pointer to function-dependent structure
1076 *
1077 * RETURN:      Status
1078 *
1079 * DESCRIPTION: Miscellaneous functions
1080 *
1081 *****************************************************************************/
1082
1083ACPI_STATUS
1084AcpiOsSignal (
1085    UINT32                  Function,
1086    void                    *Info)
1087{
1088
1089    switch (Function)
1090    {
1091    case ACPI_SIGNAL_FATAL:
1092        break;
1093
1094    case ACPI_SIGNAL_BREAKPOINT:
1095
1096        if (Info)
1097        {
1098            AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Info);
1099        }
1100        else
1101        {
1102            AcpiOsPrintf ("At AcpiOsBreakpoint ****\n");
1103        }
1104
1105        break;
1106    }
1107
1108
1109    return (AE_OK);
1110}
1111
1112
1113