osunixxf.c revision 138296 
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 - 2004, Intel Corp.
12 * All rights reserved.
13 *
14 * 2. License
15 *
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights.  You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
19 * property rights.
20 *
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
27 *
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code.  No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
36 *
37 * The above copyright and patent license is granted only if the following
38 * conditions are met:
39 *
40 * 3. Conditions
41 *
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision.  In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change.  Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee.  Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
53 *
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution.  In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
64 * make.
65 *
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3.4. Intel retains all right, title, and interest in and to the Original
73 * Intel Code.
74 *
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
79 *
80 * 4. Disclaimer and Export Compliance
81 *
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88 * PARTICULAR PURPOSE.
89 *
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97 * LIMITED REMEDY.
98 *
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government.  In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
113 *
114 *****************************************************************************/
115
116
117/*
118 * These interfaces are required in order to compile the ASL compiler under
119 * Linux.
120 */
121
122#include <stdio.h>
123#include <stdlib.h>
124#include <stdarg.h>
125#include <unistd.h>
126#include <sys/time.h>
127
128#include "acpi.h"
129#include "amlcode.h"
130#include "acparser.h"
131#include "acdebug.h"
132
133#define _COMPONENT          ACPI_OS_SERVICES
134        ACPI_MODULE_NAME    ("osunixxf")
135
136
137extern FILE                    *AcpiGbl_DebugFile;
138FILE                           *AcpiGbl_OutputFile;
139
140
141/******************************************************************************
142 *
143 * FUNCTION:    AcpiOsInitialize, AcpiOsTerminate
144 *
145 * PARAMETERS:  None
146 *
147 * RETURN:      Status
148 *
149 * DESCRIPTION: Init and terminate.  Nothing to do.
150 *
151 *****************************************************************************/
152
153ACPI_STATUS
154AcpiOsInitialize (void)
155{
156    AcpiGbl_OutputFile = stdout;
157
158    return AE_OK;
159}
160
161
162ACPI_STATUS
163AcpiOsTerminate (void)
164{
165    return AE_OK;
166}
167
168
169/******************************************************************************
170 *
171 * FUNCTION:    AcpiOsGetRootPointer
172 *
173 * PARAMETERS:  Flags   - Logical or physical addressing mode
174 *              Address - Where the address is returned
175 *
176 * RETURN:      Status
177 *
178 * DESCRIPTION: Gets the root pointer (RSDP)
179 *
180 *****************************************************************************/
181
182ACPI_STATUS
183AcpiOsGetRootPointer (
184    UINT32                  Flags,
185    ACPI_POINTER           *Address)
186{
187
188#if 0
189    /* The supporting code for this is not yet available.
190     * Return to the old situation for now.
191     */
192    return (AeLocalGetRootPointer(Flags, (ACPI_PHYSICAL_ADDRESS *)Address));
193#else
194    return (AE_OK);
195#endif
196
197}
198
199
200/******************************************************************************
201 *
202 * FUNCTION:    AcpiOsPredefinedOverride
203 *
204 * PARAMETERS:  InitVal     - Initial value of the predefined object
205 *              NewVal      - The new value for the object
206 *
207 * RETURN:      Status, pointer to value.  Null pointer returned if not
208 *              overriding.
209 *
210 * DESCRIPTION: Allow the OS to override predefined names
211 *
212 *****************************************************************************/
213
214ACPI_STATUS
215AcpiOsPredefinedOverride (
216    const ACPI_PREDEFINED_NAMES *InitVal,
217    ACPI_STRING                 *NewVal)
218{
219
220    if (!InitVal || !NewVal)
221    {
222        return (AE_BAD_PARAMETER);
223    }
224
225    *NewVal = NULL;
226    return (AE_OK);
227}
228
229
230/******************************************************************************
231 *
232 * FUNCTION:    AcpiOsTableOverride
233 *
234 * PARAMETERS:  ExistingTable   - Header of current table (probably firmware)
235 *              NewTable        - Where an entire new table is returned.
236 *
237 * RETURN:      Status, pointer to new table.  Null pointer returned if no
238 *              table is available to override
239 *
240 * DESCRIPTION: Return a different version of a table if one is available
241 *
242 *****************************************************************************/
243
244ACPI_STATUS
245AcpiOsTableOverride (
246    ACPI_TABLE_HEADER       *ExistingTable,
247    ACPI_TABLE_HEADER       **NewTable)
248{
249
250    if (!ExistingTable || !NewTable)
251    {
252        return (AE_BAD_PARAMETER);
253    }
254
255    *NewTable = NULL;
256
257#ifdef _ACPI_EXEC_APP
258
259    /* This code exercises the table override mechanism in the core */
260
261    if (!ACPI_STRNCMP (ExistingTable->Signature, DSDT_SIG, ACPI_NAME_SIZE))
262    {
263        /* override DSDT with itself */
264
265        *NewTable = AcpiGbl_DbTablePtr;
266    }
267    return (AE_OK);
268#else
269    return AE_NO_ACPI_TABLES;
270#endif
271}
272
273
274/******************************************************************************
275 *
276 * FUNCTION:    AcpiOsReadable
277 *
278 * PARAMETERS:  Pointer             - Area to be verified
279 *              Length              - Size of area
280 *
281 * RETURN:      TRUE if readable for entire length
282 *
283 * DESCRIPTION: Verify that a pointer is valid for reading
284 *
285 *****************************************************************************/
286
287BOOLEAN
288AcpiOsReadable (
289    void                    *Pointer,
290    ACPI_SIZE               Length)
291{
292
293    return (TRUE);
294}
295
296
297/******************************************************************************
298 *
299 * FUNCTION:    AcpiOsWritable
300 *
301 * PARAMETERS:  Pointer             - Area to be verified
302 *              Length              - Size of area
303 *
304 * RETURN:      TRUE if writable for entire length
305 *
306 * DESCRIPTION: Verify that a pointer is valid for writing
307 *
308 *****************************************************************************/
309
310BOOLEAN
311AcpiOsWritable (
312    void                    *Pointer,
313    ACPI_SIZE               Length)
314{
315
316    return (TRUE);
317}
318
319
320/******************************************************************************
321 *
322 * FUNCTION:    AcpiOsRedirectOutput
323 *
324 * PARAMETERS:  Destination         - An open file handle/pointer
325 *
326 * RETURN:      None
327 *
328 * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
329 *
330 *****************************************************************************/
331
332void
333AcpiOsRedirectOutput (
334    void                    *Destination)
335{
336
337    AcpiGbl_OutputFile = Destination;
338}
339
340
341/******************************************************************************
342 *
343 * FUNCTION:    AcpiOsPrintf
344 *
345 * PARAMETERS:  fmt, ...            Standard printf format
346 *
347 * RETURN:      None
348 *
349 * DESCRIPTION: Formatted output
350 *
351 *****************************************************************************/
352
353void ACPI_INTERNAL_VAR_XFACE
354AcpiOsPrintf (
355    const char              *Fmt,
356    ...)
357{
358    va_list                 Args;
359
360
361    va_start (Args, Fmt);
362
363    AcpiOsVprintf (Fmt, Args);
364
365    va_end (Args);
366    return;
367}
368
369
370/******************************************************************************
371 *
372 * FUNCTION:    AcpiOsVprintf
373 *
374 * PARAMETERS:  fmt                 Standard printf format
375 *              args                Argument list
376 *
377 * RETURN:      None
378 *
379 * DESCRIPTION: Formatted output with argument list pointer
380 *
381 *****************************************************************************/
382
383void
384AcpiOsVprintf (
385    const char              *Fmt,
386    va_list                 Args)
387{
388    INT32                   Count = 0;
389    UINT8                   Flags;
390
391
392    Flags = AcpiGbl_DbOutputFlags;
393    if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT)
394    {
395        /* Output is directable to either a file (if open) or the console */
396
397        if (AcpiGbl_DebugFile)
398        {
399            /* Output file is open, send the output there */
400
401            Count = vfprintf (AcpiGbl_DebugFile, Fmt, Args);
402        }
403        else
404        {
405            /* No redirection, send output to console (once only!) */
406
407            Flags |= ACPI_DB_CONSOLE_OUTPUT;
408        }
409    }
410
411    if (Flags & ACPI_DB_CONSOLE_OUTPUT)
412    {
413        Count = vfprintf (AcpiGbl_OutputFile, Fmt, Args);
414    }
415
416    return;
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
433UINT32
434AcpiOsGetLine (
435    char                    *Buffer)
436{
437    UINT8                   Temp;
438    UINT32                  i;
439
440
441    for (i = 0; ; i++)
442    {
443        scanf ("%1c", &Temp);
444        if (!Temp || Temp == '\n')
445        {
446            break;
447        }
448
449        Buffer [i] = Temp;
450    }
451
452    /* Null terminate the buffer */
453
454    Buffer [i] = 0;
455
456    /* Return the number of bytes in the string */
457
458    return (i);
459}
460
461/******************************************************************************
462 *
463 * FUNCTION:    AcpiOsMapMemory
464 *
465 * PARAMETERS:  where               Physical address of memory to be mapped
466 *              length              How much memory to map
467 *              there               Logical address of mapped memory
468 *
469 * RETURN:      Pointer to mapped memory.  Null on error.
470 *
471 * DESCRIPTION: Map physical memory into caller's address space
472 *
473 *****************************************************************************/
474
475ACPI_STATUS
476AcpiOsMapMemory (
477    ACPI_PHYSICAL_ADDRESS   where,
478    ACPI_SIZE               length,
479    void                    **there)
480{
481    *there = ACPI_TO_POINTER (where);
482
483    return AE_OK;
484}
485
486
487/******************************************************************************
488 *
489 * FUNCTION:    AcpiOsUnmapMemory
490 *
491 * PARAMETERS:  where               Logical address of memory to be unmapped
492 *              length              How much memory to unmap
493 *
494 * RETURN:      None.
495 *
496 * DESCRIPTION: Delete a previously created mapping.  Where and Length must
497 *              correspond to a previous mapping exactly.
498 *
499 *****************************************************************************/
500
501void
502AcpiOsUnmapMemory (
503    void                    *where,
504    ACPI_SIZE               length)
505{
506
507    return;
508}
509
510
511/******************************************************************************
512 *
513 * FUNCTION:    AcpiOsAllocate
514 *
515 * PARAMETERS:  Size                Amount to allocate, in bytes
516 *
517 * RETURN:      Pointer to the new allocation.  Null on error.
518 *
519 * DESCRIPTION: Allocate memory.  Algorithm is dependent on the OS.
520 *
521 *****************************************************************************/
522
523void *
524AcpiOsAllocate (
525    ACPI_SIZE               size)
526{
527    void                    *Mem;
528
529
530    Mem = (void *) malloc ((size_t) size);
531
532    return Mem;
533}
534
535
536/******************************************************************************
537 *
538 * FUNCTION:    AcpiOsFree
539 *
540 * PARAMETERS:  mem                 Pointer to previously allocated memory
541 *
542 * RETURN:      None.
543 *
544 * DESCRIPTION: Free memory allocated via AcpiOsAllocate
545 *
546 *****************************************************************************/
547
548void
549AcpiOsFree (
550    void                    *mem)
551{
552
553
554    free (mem);
555}
556
557
558/******************************************************************************
559 *
560 * FUNCTION:    AcpiOsCreateSemaphore
561 *
562 * PARAMETERS:  InitialUnits        - Units to be assigned to the new semaphore
563 *              OutHandle           - Where a handle will be returned
564 *
565 * RETURN:      Status
566 *
567 * DESCRIPTION: Create an OS semaphore
568 *
569 *****************************************************************************/
570
571ACPI_STATUS
572AcpiOsCreateSemaphore (
573    UINT32              MaxUnits,
574    UINT32              InitialUnits,
575    ACPI_HANDLE         *OutHandle)
576{
577
578
579    *OutHandle = (ACPI_HANDLE) 1;
580    return AE_OK;
581}
582
583/******************************************************************************
584 *
585 * FUNCTION:    AcpiOsDeleteSemaphore
586 *
587 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
588 *
589 * RETURN:      Status
590 *
591 * DESCRIPTION: Delete an OS semaphore
592 *
593 *****************************************************************************/
594
595ACPI_STATUS
596AcpiOsDeleteSemaphore (
597    ACPI_HANDLE         Handle)
598{
599
600    if (!Handle)
601    {
602        return AE_BAD_PARAMETER;
603    }
604
605    return AE_OK;
606}
607
608
609/******************************************************************************
610 *
611 * FUNCTION:    AcpiOsWaitSemaphore
612 *
613 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
614 *              Units               - How many units to wait for
615 *              Timeout             - How long to wait
616 *
617 * RETURN:      Status
618 *
619 * DESCRIPTION: Wait for units
620 *
621 *****************************************************************************/
622
623ACPI_STATUS
624AcpiOsWaitSemaphore (
625    ACPI_HANDLE         Handle,
626    UINT32              Units,
627    UINT16              Timeout)
628{
629
630
631    return AE_OK;
632}
633
634
635/******************************************************************************
636 *
637 * FUNCTION:    AcpiOsSignalSemaphore
638 *
639 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
640 *              Units               - Number of units to send
641 *
642 * RETURN:      Status
643 *
644 * DESCRIPTION: Send units
645 *
646 *****************************************************************************/
647
648ACPI_STATUS
649AcpiOsSignalSemaphore (
650    ACPI_HANDLE         Handle,
651    UINT32              Units)
652{
653
654
655    return AE_OK;
656}
657
658
659ACPI_STATUS
660AcpiOsCreateLock (
661    ACPI_HANDLE             *OutHandle)
662{
663
664    return (AcpiOsCreateSemaphore (1, 1, OutHandle));
665}
666
667void
668AcpiOsDeleteLock (
669    ACPI_HANDLE             Handle)
670{
671    AcpiOsDeleteSemaphore (Handle);
672}
673
674
675void
676AcpiOsAcquireLock (
677    ACPI_HANDLE             Handle,
678    UINT32                  Flags)
679{
680    AcpiOsWaitSemaphore (Handle, 1, 0xFFFF);
681}
682
683
684void
685AcpiOsReleaseLock (
686    ACPI_HANDLE             Handle,
687    UINT32                  Flags)
688{
689    AcpiOsSignalSemaphore (Handle, 1);
690}
691
692
693/******************************************************************************
694 *
695 * FUNCTION:    AcpiOsInstallInterruptHandler
696 *
697 * PARAMETERS:  InterruptNumber     Level handler should respond to.
698 *              Isr                 Address of the ACPI interrupt handler
699 *              ExceptPtr           Where status is returned
700 *
701 * RETURN:      Handle to the newly installed handler.
702 *
703 * DESCRIPTION: Install an interrupt handler.  Used to install the ACPI
704 *              OS-independent handler.
705 *
706 *****************************************************************************/
707
708UINT32
709AcpiOsInstallInterruptHandler (
710    UINT32                  InterruptNumber,
711    ACPI_OSD_HANDLER        ServiceRoutine,
712    void                    *Context)
713{
714
715
716    return AE_OK;
717}
718
719
720/******************************************************************************
721 *
722 * FUNCTION:    AcpiOsRemoveInterruptHandler
723 *
724 * PARAMETERS:  Handle              Returned when handler was installed
725 *
726 * RETURN:      Status
727 *
728 * DESCRIPTION: Uninstalls an interrupt handler.
729 *
730 *****************************************************************************/
731
732ACPI_STATUS
733AcpiOsRemoveInterruptHandler (
734    UINT32                  InterruptNumber,
735    ACPI_OSD_HANDLER        ServiceRoutine)
736{
737
738    return AE_OK;
739}
740
741
742/******************************************************************************
743 *
744 * FUNCTION:    AcpiOsQueueForExecution
745 *
746 * PARAMETERS:  Priority        - Requested execution priority
747 *              Function        - Address of the function to execute
748 *              Context         - Passed as a parameter to the function
749 *
750 * RETURN:      Status.
751 *
752 * DESCRIPTION: Sleep at microsecond granularity
753 *
754 *****************************************************************************/
755
756ACPI_STATUS
757AcpiOsQueueForExecution (
758    UINT32                  Priority,
759    ACPI_OSD_EXEC_CALLBACK  Function,
760    void                    *Context)
761{
762
763//    _beginthread (Function, (unsigned) 0, Context);
764    return 0;
765}
766
767
768/******************************************************************************
769 *
770 * FUNCTION:    AcpiOsBreakpoint
771 *
772 * PARAMETERS:  Msg                 Message to print
773 *
774 * RETURN:      Status
775 *
776 * DESCRIPTION: Print a message and break to the debugger.
777 *
778 *****************************************************************************/
779
780ACPI_STATUS
781AcpiOsBreakpoint (
782    char                    *Msg)
783{
784
785    /* Print the message and do an INT 3 */
786
787    if (Msg)
788    {
789        AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Msg);
790    }
791    else
792    {
793        AcpiOsPrintf ("At AcpiOsBreakpoint ****\n");
794    }
795
796
797    return AE_OK;
798}
799
800
801/******************************************************************************
802 *
803 * FUNCTION:    AcpiOsStall
804 *
805 * PARAMETERS:  microseconds        To sleep
806 *
807 * RETURN:      Blocks until sleep is completed.
808 *
809 * DESCRIPTION: Sleep at microsecond granularity
810 *
811 *****************************************************************************/
812
813void
814AcpiOsStall (
815    UINT32                  microseconds)
816{
817
818    if (microseconds)
819    {
820        usleep (microseconds);
821    }
822    return;
823}
824
825
826/******************************************************************************
827 *
828 * FUNCTION:    AcpiOsSleep
829 *
830 * PARAMETERS:  milliseconds        To sleep
831 *
832 * RETURN:      Blocks until sleep is completed.
833 *
834 * DESCRIPTION: Sleep at millisecond granularity
835 *
836 *****************************************************************************/
837
838void
839AcpiOsSleep (
840    ACPI_INTEGER            milliseconds)
841{
842
843    sleep (milliseconds / 1000);    /* Sleep for whole seconds */
844
845    /*
846     * Arg to usleep() must be less than 1,000,000 (1 second)
847     */
848    usleep ((milliseconds % 1000) * 1000);      /* Sleep for remaining usecs */
849
850    return;
851}
852
853/******************************************************************************
854 *
855 * FUNCTION:    AcpiOsGetTimer
856 *
857 * PARAMETERS:  None
858 *
859 * RETURN:      Current time in 100 nanosecond units
860 *
861 * DESCRIPTION: Get the current system time
862 *
863 *****************************************************************************/
864
865UINT64
866AcpiOsGetTimer (void)
867{
868    struct timeval  time;
869
870    gettimeofday(&time, NULL);
871
872    /* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */
873
874    return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10));
875}
876
877
878/******************************************************************************
879 *
880 * FUNCTION:    AcpiOsReadPciConfiguration
881 *
882 * PARAMETERS:  PciId               Seg/Bus/Dev
883 *              Register            Device Register
884 *              Value               Buffer where value is placed
885 *              Width               Number of bits
886 *
887 * RETURN:      Status
888 *
889 * DESCRIPTION: Read data from PCI configuration space
890 *
891 *****************************************************************************/
892
893ACPI_STATUS
894AcpiOsReadPciConfiguration (
895    ACPI_PCI_ID             *PciId,
896    UINT32                  Register,
897    void                    *Value,
898    UINT32                  Width)
899{
900
901    return (AE_OK);
902}
903
904
905/******************************************************************************
906 *
907 * FUNCTION:    AcpiOsWritePciConfiguration
908 *
909 * PARAMETERS:  PciId               Seg/Bus/Dev
910 *              Register            Device Register
911 *              Value               Value to be written
912 *              Width               Number of bits
913 *
914 * RETURN:      Status.
915 *
916 * DESCRIPTION: Write data to PCI configuration space
917 *
918 *****************************************************************************/
919
920ACPI_STATUS
921AcpiOsWritePciConfiguration (
922    ACPI_PCI_ID             *PciId,
923    UINT32                  Register,
924    ACPI_INTEGER            Value,
925    UINT32                  Width)
926{
927
928    return (AE_OK);
929}
930
931/* TEMPORARY STUB FUNCTION */
932void
933AcpiOsDerivePciId(
934    ACPI_HANDLE             rhandle,
935    ACPI_HANDLE             chandle,
936    ACPI_PCI_ID             **PciId)
937{
938
939}
940
941
942/******************************************************************************
943 *
944 * FUNCTION:    AcpiOsReadPort
945 *
946 * PARAMETERS:  Address             Address of I/O port/register to read
947 *              Value               Where value is placed
948 *              Width               Number of bits
949 *
950 * RETURN:      Value read from port
951 *
952 * DESCRIPTION: Read data from an I/O port or register
953 *
954 *****************************************************************************/
955
956ACPI_STATUS
957AcpiOsReadPort (
958    ACPI_IO_ADDRESS         Address,
959    UINT32                  *Value,
960    UINT32                  Width)
961{
962
963    switch (Width)
964    {
965    case 8:
966        *Value = 0xFF;
967        break;
968
969    case 16:
970        *Value = 0xFFFF;
971        break;
972
973    case 32:
974        *Value = 0xFFFFFFFF;
975        break;
976    }
977
978    return (AE_OK);
979}
980
981
982/******************************************************************************
983 *
984 * FUNCTION:    AcpiOsWritePort
985 *
986 * PARAMETERS:  Address             Address of I/O port/register to write
987 *              Value               Value to write
988 *              Width               Number of bits
989 *
990 * RETURN:      None
991 *
992 * DESCRIPTION: Write data to an I/O port or register
993 *
994 *****************************************************************************/
995
996ACPI_STATUS
997AcpiOsWritePort (
998    ACPI_IO_ADDRESS         Address,
999    UINT32                  Value,
1000    UINT32                  Width)
1001{
1002
1003    return (AE_OK);
1004}
1005
1006
1007/******************************************************************************
1008 *
1009 * FUNCTION:    AcpiOsReadMemory
1010 *
1011 * PARAMETERS:  Address             Physical Memory Address to read
1012 *              Value               Where value is placed
1013 *              Width               Number of bits
1014 *
1015 * RETURN:      Value read from physical memory address
1016 *
1017 * DESCRIPTION: Read data from a physical memory address
1018 *
1019 *****************************************************************************/
1020
1021ACPI_STATUS
1022AcpiOsReadMemory (
1023    ACPI_PHYSICAL_ADDRESS   Address,
1024    UINT32                  *Value,
1025    UINT32                  Width)
1026{
1027
1028    switch (Width)
1029    {
1030    case 8:
1031    case 16:
1032    case 32:
1033        *Value = 0;
1034        break;
1035
1036    default:
1037        return (AE_BAD_PARAMETER);
1038        break;
1039    }
1040    return (AE_OK);
1041}
1042
1043
1044/******************************************************************************
1045 *
1046 * FUNCTION:    AcpiOsWriteMemory
1047 *
1048 * PARAMETERS:  Address             Physical Memory Address to write
1049 *              Value               Value to write
1050 *              Width               Number of bits
1051 *
1052 * RETURN:      None
1053 *
1054 * DESCRIPTION: Write data to a physical memory address
1055 *
1056 *****************************************************************************/
1057
1058ACPI_STATUS
1059AcpiOsWriteMemory (
1060    ACPI_PHYSICAL_ADDRESS   Address,
1061    UINT32                  Value,
1062    UINT32                  Width)
1063{
1064
1065    return (AE_OK);
1066}
1067
1068
1069UINT32
1070AcpiOsGetThreadId(void)
1071{
1072    return getpid();
1073}
1074
1075
1076/******************************************************************************
1077 *
1078 * FUNCTION:    AcpiOsSignal
1079 *
1080 * PARAMETERS:  Function            ACPI CA signal function code
1081 *              Info                Pointer to function-dependent structure
1082 *
1083 * RETURN:      Status
1084 *
1085 * DESCRIPTION: Miscellaneous functions
1086 *
1087 *****************************************************************************/
1088
1089ACPI_STATUS
1090AcpiOsSignal (
1091    UINT32                  Function,
1092    void                    *Info)
1093{
1094
1095    switch (Function)
1096    {
1097    case ACPI_SIGNAL_FATAL:
1098        break;
1099
1100    case ACPI_SIGNAL_BREAKPOINT:
1101
1102        if (Info)
1103        {
1104            AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Info);
1105        }
1106        else
1107        {
1108            AcpiOsPrintf ("At AcpiOsBreakpoint ****\n");
1109        }
1110
1111        break;
1112    }
1113
1114
1115    return (AE_OK);
1116}
1117
1118
1119