osunixxf.c revision 123315
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 - 2003, 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    return (AE_OK);
189}
190
191
192/******************************************************************************
193 *
194 * FUNCTION:    AcpiOsPredefinedOverride
195 *
196 * PARAMETERS:  InitVal     - Initial value of the predefined object
197 *              NewVal      - The new value for the object
198 *
199 * RETURN:      Status, pointer to value.  Null pointer returned if not
200 *              overriding.
201 *
202 * DESCRIPTION: Allow the OS to override predefined names
203 *
204 *****************************************************************************/
205
206ACPI_STATUS
207AcpiOsPredefinedOverride (
208    const ACPI_PREDEFINED_NAMES *InitVal,
209    ACPI_STRING                 *NewVal)
210{
211
212    if (!InitVal || !NewVal)
213    {
214        return (AE_BAD_PARAMETER);
215    }
216
217    *NewVal = NULL;
218    return (AE_OK);
219}
220
221
222/******************************************************************************
223 *
224 * FUNCTION:    AcpiOsTableOverride
225 *
226 * PARAMETERS:  ExistingTable   - Header of current table (probably firmware)
227 *              NewTable        - Where an entire new table is returned.
228 *
229 * RETURN:      Status, pointer to new table.  Null pointer returned if no
230 *              table is available to override
231 *
232 * DESCRIPTION: Return a different version of a table if one is available
233 *
234 *****************************************************************************/
235
236ACPI_STATUS
237AcpiOsTableOverride (
238    ACPI_TABLE_HEADER       *ExistingTable,
239    ACPI_TABLE_HEADER       **NewTable)
240{
241    if (!ExistingTable || !NewTable)
242    {
243        return (AE_BAD_PARAMETER);
244    }
245
246    /* TODO: Add table-getting code here */
247    *NewTable = NULL;
248    return (AE_NO_ACPI_TABLES);
249}
250
251
252/******************************************************************************
253 *
254 * FUNCTION:    AcpiOsReadable
255 *
256 * PARAMETERS:  Pointer             - Area to be verified
257 *              Length              - Size of area
258 *
259 * RETURN:      TRUE if readable for entire length
260 *
261 * DESCRIPTION: Verify that a pointer is valid for reading
262 *
263 *****************************************************************************/
264
265BOOLEAN
266AcpiOsReadable (
267    void                    *Pointer,
268    ACPI_SIZE               Length)
269{
270
271    return (TRUE);
272}
273
274
275/******************************************************************************
276 *
277 * FUNCTION:    AcpiOsWritable
278 *
279 * PARAMETERS:  Pointer             - Area to be verified
280 *              Length              - Size of area
281 *
282 * RETURN:      TRUE if writable for entire length
283 *
284 * DESCRIPTION: Verify that a pointer is valid for writing
285 *
286 *****************************************************************************/
287
288BOOLEAN
289AcpiOsWritable (
290    void                    *Pointer,
291    ACPI_SIZE               Length)
292{
293
294    return (TRUE);
295}
296
297
298/******************************************************************************
299 *
300 * FUNCTION:    AcpiOsRedirectOutput
301 *
302 * PARAMETERS:  Destination         - An open file handle/pointer
303 *
304 * RETURN:      None
305 *
306 * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
307 *
308 *****************************************************************************/
309
310void
311AcpiOsRedirectOutput (
312    void                    *Destination)
313{
314
315    AcpiGbl_OutputFile = Destination;
316}
317
318
319/******************************************************************************
320 *
321 * FUNCTION:    AcpiOsPrintf
322 *
323 * PARAMETERS:  fmt, ...            Standard printf format
324 *
325 * RETURN:      None
326 *
327 * DESCRIPTION: Formatted output
328 *
329 *****************************************************************************/
330
331void ACPI_INTERNAL_VAR_XFACE
332AcpiOsPrintf (
333    const char              *Fmt,
334    ...)
335{
336    va_list                 Args;
337
338
339    va_start (Args, Fmt);
340
341    AcpiOsVprintf (Fmt, Args);
342
343    va_end (Args);
344    return;
345}
346
347
348/******************************************************************************
349 *
350 * FUNCTION:    AcpiOsVprintf
351 *
352 * PARAMETERS:  fmt                 Standard printf format
353 *              args                Argument list
354 *
355 * RETURN:      None
356 *
357 * DESCRIPTION: Formatted output with argument list pointer
358 *
359 *****************************************************************************/
360
361void
362AcpiOsVprintf (
363    const char              *Fmt,
364    va_list                 Args)
365{
366    INT32                   Count = 0;
367    UINT8                   Flags;
368
369
370    Flags = AcpiGbl_DbOutputFlags;
371    if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT)
372    {
373        /* Output is directable to either a file (if open) or the console */
374
375        if (AcpiGbl_DebugFile)
376        {
377            /* Output file is open, send the output there */
378
379            Count = vfprintf (AcpiGbl_DebugFile, Fmt, Args);
380        }
381        else
382        {
383            /* No redirection, send output to console (once only!) */
384
385            Flags |= ACPI_DB_CONSOLE_OUTPUT;
386        }
387    }
388
389    if (Flags & ACPI_DB_CONSOLE_OUTPUT)
390    {
391        Count = vfprintf (AcpiGbl_OutputFile, Fmt, Args);
392    }
393
394    return;
395}
396
397
398/******************************************************************************
399 *
400 * FUNCTION:    AcpiOsGetLine
401 *
402 * PARAMETERS:  fmt                 Standard printf format
403 *              args                Argument list
404 *
405 * RETURN:      Actual bytes read
406 *
407 * DESCRIPTION: Formatted input with argument list pointer
408 *
409 *****************************************************************************/
410
411UINT32
412AcpiOsGetLine (
413    char                    *Buffer)
414{
415    UINT8                   Temp;
416    UINT32                  i;
417
418
419    for (i = 0; ; i++)
420    {
421        scanf ("%1c", &Temp);
422        if (!Temp || Temp == '\n')
423        {
424            break;
425        }
426
427        Buffer [i] = Temp;
428    }
429
430    /* Null terminate the buffer */
431
432    Buffer [i] = 0;
433
434    /* Return the number of bytes in the string */
435
436    return (i);
437}
438
439/******************************************************************************
440 *
441 * FUNCTION:    AcpiOsMapMemory
442 *
443 * PARAMETERS:  where               Physical address of memory to be mapped
444 *              length              How much memory to map
445 *              there               Logical address of mapped memory
446 *
447 * RETURN:      Pointer to mapped memory.  Null on error.
448 *
449 * DESCRIPTION: Map physical memory into caller's address space
450 *
451 *****************************************************************************/
452
453ACPI_STATUS
454AcpiOsMapMemory (
455    ACPI_PHYSICAL_ADDRESS   where,
456    ACPI_SIZE               length,
457    void                    **there)
458{
459    *there = ACPI_TO_POINTER (where);
460
461    return AE_OK;
462}
463
464
465/******************************************************************************
466 *
467 * FUNCTION:    AcpiOsUnmapMemory
468 *
469 * PARAMETERS:  where               Logical address of memory to be unmapped
470 *              length              How much memory to unmap
471 *
472 * RETURN:      None.
473 *
474 * DESCRIPTION: Delete a previously created mapping.  Where and Length must
475 *              correspond to a previous mapping exactly.
476 *
477 *****************************************************************************/
478
479void
480AcpiOsUnmapMemory (
481    void                    *where,
482    ACPI_SIZE               length)
483{
484
485    return;
486}
487
488
489/******************************************************************************
490 *
491 * FUNCTION:    AcpiOsAllocate
492 *
493 * PARAMETERS:  Size                Amount to allocate, in bytes
494 *
495 * RETURN:      Pointer to the new allocation.  Null on error.
496 *
497 * DESCRIPTION: Allocate memory.  Algorithm is dependent on the OS.
498 *
499 *****************************************************************************/
500
501void *
502AcpiOsAllocate (
503    ACPI_SIZE               size)
504{
505    void                    *Mem;
506
507
508    Mem = (void *) malloc ((size_t) size);
509
510    return Mem;
511}
512
513
514/******************************************************************************
515 *
516 * FUNCTION:    AcpiOsFree
517 *
518 * PARAMETERS:  mem                 Pointer to previously allocated memory
519 *
520 * RETURN:      None.
521 *
522 * DESCRIPTION: Free memory allocated via AcpiOsAllocate
523 *
524 *****************************************************************************/
525
526void
527AcpiOsFree (
528    void                    *mem)
529{
530
531
532    free (mem);
533}
534
535
536/******************************************************************************
537 *
538 * FUNCTION:    AcpiOsCreateSemaphore
539 *
540 * PARAMETERS:  InitialUnits        - Units to be assigned to the new semaphore
541 *              OutHandle           - Where a handle will be returned
542 *
543 * RETURN:      Status
544 *
545 * DESCRIPTION: Create an OS semaphore
546 *
547 *****************************************************************************/
548
549ACPI_STATUS
550AcpiOsCreateSemaphore (
551    UINT32              MaxUnits,
552    UINT32              InitialUnits,
553    ACPI_HANDLE         *OutHandle)
554{
555
556
557    *OutHandle = (ACPI_HANDLE) 1;
558    return AE_OK;
559}
560
561/******************************************************************************
562 *
563 * FUNCTION:    AcpiOsDeleteSemaphore
564 *
565 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
566 *
567 * RETURN:      Status
568 *
569 * DESCRIPTION: Delete an OS semaphore
570 *
571 *****************************************************************************/
572
573ACPI_STATUS
574AcpiOsDeleteSemaphore (
575    ACPI_HANDLE         Handle)
576{
577
578    if (!Handle)
579    {
580        return AE_BAD_PARAMETER;
581    }
582
583    return AE_OK;
584}
585
586
587/******************************************************************************
588 *
589 * FUNCTION:    AcpiOsWaitSemaphore
590 *
591 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
592 *              Units               - How many units to wait for
593 *              Timeout             - How long to wait
594 *
595 * RETURN:      Status
596 *
597 * DESCRIPTION: Wait for units
598 *
599 *****************************************************************************/
600
601ACPI_STATUS
602AcpiOsWaitSemaphore (
603    ACPI_HANDLE         Handle,
604    UINT32              Units,
605    UINT16              Timeout)
606{
607
608
609    return AE_OK;
610}
611
612
613/******************************************************************************
614 *
615 * FUNCTION:    AcpiOsSignalSemaphore
616 *
617 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
618 *              Units               - Number of units to send
619 *
620 * RETURN:      Status
621 *
622 * DESCRIPTION: Send units
623 *
624 *****************************************************************************/
625
626ACPI_STATUS
627AcpiOsSignalSemaphore (
628    ACPI_HANDLE         Handle,
629    UINT32              Units)
630{
631
632
633    return AE_OK;
634}
635
636
637ACPI_STATUS
638AcpiOsCreateLock (
639    ACPI_HANDLE             *OutHandle)
640{
641
642    return (AcpiOsCreateSemaphore (1, 1, OutHandle));
643}
644
645void
646AcpiOsDeleteLock (
647    ACPI_HANDLE             Handle)
648{
649    AcpiOsDeleteSemaphore (Handle);
650}
651
652
653void
654AcpiOsAcquireLock (
655    ACPI_HANDLE             Handle,
656    UINT32                  Flags)
657{
658    AcpiOsWaitSemaphore (Handle, 1, 0xFFFF);
659}
660
661
662void
663AcpiOsReleaseLock (
664    ACPI_HANDLE             Handle,
665    UINT32                  Flags)
666{
667    AcpiOsSignalSemaphore (Handle, 1);
668}
669
670
671/******************************************************************************
672 *
673 * FUNCTION:    AcpiOsInstallInterruptHandler
674 *
675 * PARAMETERS:  InterruptNumber     Level handler should respond to.
676 *              Isr                 Address of the ACPI interrupt handler
677 *              ExceptPtr           Where status is returned
678 *
679 * RETURN:      Handle to the newly installed handler.
680 *
681 * DESCRIPTION: Install an interrupt handler.  Used to install the ACPI
682 *              OS-independent handler.
683 *
684 *****************************************************************************/
685
686UINT32
687AcpiOsInstallInterruptHandler (
688    UINT32                  InterruptNumber,
689    OSD_HANDLER             ServiceRoutine,
690    void                    *Context)
691{
692
693
694    return AE_OK;
695}
696
697
698/******************************************************************************
699 *
700 * FUNCTION:    AcpiOsRemoveInterruptHandler
701 *
702 * PARAMETERS:  Handle              Returned when handler was installed
703 *
704 * RETURN:      Status
705 *
706 * DESCRIPTION: Uninstalls an interrupt handler.
707 *
708 *****************************************************************************/
709
710ACPI_STATUS
711AcpiOsRemoveInterruptHandler (
712    UINT32                  InterruptNumber,
713    OSD_HANDLER             ServiceRoutine)
714{
715
716    return AE_OK;
717}
718
719
720/******************************************************************************
721 *
722 * FUNCTION:    AcpiOsQueueForExecution
723 *
724 * PARAMETERS:  Priority        - Requested execution priority
725 *              Function        - Address of the function to execute
726 *              Context         - Passed as a parameter to the function
727 *
728 * RETURN:      Status.
729 *
730 * DESCRIPTION: Sleep at microsecond granularity
731 *
732 *****************************************************************************/
733
734ACPI_STATUS
735AcpiOsQueueForExecution (
736    UINT32                  Priority,
737    OSD_EXECUTION_CALLBACK  Function,
738    void                    *Context)
739{
740
741//    _beginthread (Function, (unsigned) 0, Context);
742    return 0;
743}
744
745
746/******************************************************************************
747 *
748 * FUNCTION:    AcpiOsBreakpoint
749 *
750 * PARAMETERS:  Msg                 Message to print
751 *
752 * RETURN:      Status
753 *
754 * DESCRIPTION: Print a message and break to the debugger.
755 *
756 *****************************************************************************/
757
758ACPI_STATUS
759AcpiOsBreakpoint (
760    char                    *Msg)
761{
762
763    /* Print the message and do an INT 3 */
764
765    if (Msg)
766    {
767        AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Msg);
768    }
769    else
770    {
771        AcpiOsPrintf ("At AcpiOsBreakpoint ****\n");
772    }
773
774
775    return AE_OK;
776}
777
778
779/******************************************************************************
780 *
781 * FUNCTION:    AcpiOsSleepUsec
782 *
783 * PARAMETERS:  microseconds        To sleep
784 *
785 * RETURN:      Blocks until sleep is completed.
786 *
787 * DESCRIPTION: Sleep at microsecond granularity
788 *
789 *****************************************************************************/
790
791void
792AcpiOsStall (
793    UINT32                  microseconds)
794{
795
796    if (microseconds)
797    {
798        usleep (microseconds);
799    }
800    return;
801}
802
803
804/******************************************************************************
805 *
806 * FUNCTION:    AcpiOsSleep
807 *
808 * PARAMETERS:  seconds             To sleep
809 *              milliseconds        To sleep
810 *
811 * RETURN:      Blocks until sleep is completed.
812 *
813 * DESCRIPTION: Sleep at second/millisecond granularity
814 *
815 *****************************************************************************/
816
817void
818AcpiOsSleep (
819    UINT32                  seconds,
820    UINT32                  milliseconds)
821{
822
823    sleep (seconds + (milliseconds / 1000));    /* Sleep for whole seconds */
824
825    /*
826     * Arg to usleep() must be less than 1,000,000 (1 second)
827     */
828    usleep ((milliseconds % 1000) * 1000);      /* Sleep for remaining usecs */
829
830    return;
831}
832
833/******************************************************************************
834 *
835 * FUNCTION:    AcpiOsGetTimer
836 *
837 * PARAMETERS:  None
838 *
839 * RETURN:      Current time in milliseconds
840 *
841 * DESCRIPTION: Get the current system time (in milliseconds).
842 *
843 *****************************************************************************/
844
845UINT32
846AcpiOsGetTimer (void)
847{
848    struct timeval  time;
849
850    gettimeofday(&time, NULL);
851
852    return ((time.tv_sec/1000) + (time.tv_usec*1000));
853}
854
855
856/******************************************************************************
857 *
858 * FUNCTION:    AcpiOsReadPciConfiguration
859 *
860 * PARAMETERS:  PciId               Seg/Bus/Dev
861 *              Register            Device Register
862 *              Value               Buffer where value is placed
863 *              Width               Number of bits
864 *
865 * RETURN:      Status
866 *
867 * DESCRIPTION: Read data from PCI configuration space
868 *
869 *****************************************************************************/
870
871ACPI_STATUS
872AcpiOsReadPciConfiguration (
873    ACPI_PCI_ID             *PciId,
874    UINT32                  Register,
875    void                    *Value,
876    UINT32                  Width)
877{
878
879    return (AE_OK);
880}
881
882
883/******************************************************************************
884 *
885 * FUNCTION:    AcpiOsWritePciConfiguration
886 *
887 * PARAMETERS:  PciId               Seg/Bus/Dev
888 *              Register            Device Register
889 *              Value               Value to be written
890 *              Width               Number of bits
891 *
892 * RETURN:      Status.
893 *
894 * DESCRIPTION: Write data to PCI configuration space
895 *
896 *****************************************************************************/
897
898ACPI_STATUS
899AcpiOsWritePciConfiguration (
900    ACPI_PCI_ID             *PciId,
901    UINT32                  Register,
902    ACPI_INTEGER            Value,
903    UINT32                  Width)
904{
905
906    return (AE_OK);
907}
908
909/* TEMPORARY STUB FUNCTION */
910void
911AcpiOsDerivePciId(
912    ACPI_HANDLE             rhandle,
913    ACPI_HANDLE             chandle,
914    ACPI_PCI_ID             **PciId)
915{
916
917}
918
919
920/******************************************************************************
921 *
922 * FUNCTION:    AcpiOsReadPort
923 *
924 * PARAMETERS:  Address             Address of I/O port/register to read
925 *              Value               Where value is placed
926 *              Width               Number of bits
927 *
928 * RETURN:      Value read from port
929 *
930 * DESCRIPTION: Read data from an I/O port or register
931 *
932 *****************************************************************************/
933
934ACPI_STATUS
935AcpiOsReadPort (
936    ACPI_IO_ADDRESS         Address,
937    UINT32                  *Value,
938    UINT32                  Width)
939{
940
941    switch (Width)
942    {
943    case 8:
944        *Value = 0xFF;
945        break;
946
947    case 16:
948        *Value = 0xFFFF;
949        break;
950
951    case 32:
952        *Value = 0xFFFFFFFF;
953        break;
954    }
955
956    return (AE_OK);
957}
958
959
960/******************************************************************************
961 *
962 * FUNCTION:    AcpiOsWritePort
963 *
964 * PARAMETERS:  Address             Address of I/O port/register to write
965 *              Value               Value to write
966 *              Width               Number of bits
967 *
968 * RETURN:      None
969 *
970 * DESCRIPTION: Write data to an I/O port or register
971 *
972 *****************************************************************************/
973
974ACPI_STATUS
975AcpiOsWritePort (
976    ACPI_IO_ADDRESS         Address,
977    UINT32                  Value,
978    UINT32                  Width)
979{
980
981    return (AE_OK);
982}
983
984
985/******************************************************************************
986 *
987 * FUNCTION:    AcpiOsReadMemory
988 *
989 * PARAMETERS:  Address             Physical Memory Address to read
990 *              Value               Where value is placed
991 *              Width               Number of bits
992 *
993 * RETURN:      Value read from physical memory address
994 *
995 * DESCRIPTION: Read data from a physical memory address
996 *
997 *****************************************************************************/
998
999ACPI_STATUS
1000AcpiOsReadMemory (
1001    ACPI_PHYSICAL_ADDRESS   Address,
1002    UINT32                  *Value,
1003    UINT32                  Width)
1004{
1005
1006    switch (Width)
1007    {
1008    case 8:
1009    case 16:
1010    case 32:
1011        *Value = 0;
1012        break;
1013
1014    default:
1015        return (AE_BAD_PARAMETER);
1016        break;
1017    }
1018    return (AE_OK);
1019}
1020
1021
1022/******************************************************************************
1023 *
1024 * FUNCTION:    AcpiOsWriteMemory
1025 *
1026 * PARAMETERS:  Address             Physical Memory Address to write
1027 *              Value               Value to write
1028 *              Width               Number of bits
1029 *
1030 * RETURN:      None
1031 *
1032 * DESCRIPTION: Write data to a physical memory address
1033 *
1034 *****************************************************************************/
1035
1036ACPI_STATUS
1037AcpiOsWriteMemory (
1038    ACPI_PHYSICAL_ADDRESS   Address,
1039    UINT32                  Value,
1040    UINT32                  Width)
1041{
1042
1043    return (AE_OK);
1044}
1045
1046
1047UINT32
1048AcpiOsGetThreadId(void)
1049{
1050    return getpid();
1051}
1052
1053
1054/******************************************************************************
1055 *
1056 * FUNCTION:    AcpiOsSignal
1057 *
1058 * PARAMETERS:  Function            ACPI CA signal function code
1059 *              Info                Pointer to function-dependent structure
1060 *
1061 * RETURN:      Status
1062 *
1063 * DESCRIPTION: Miscellaneous functions
1064 *
1065 *****************************************************************************/
1066
1067ACPI_STATUS
1068AcpiOsSignal (
1069    UINT32                  Function,
1070    void                    *Info)
1071{
1072
1073    switch (Function)
1074    {
1075    case ACPI_SIGNAL_FATAL:
1076        break;
1077
1078    case ACPI_SIGNAL_BREAKPOINT:
1079
1080        if (Info)
1081        {
1082            AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Info);
1083        }
1084        else
1085        {
1086            AcpiOsPrintf ("At AcpiOsBreakpoint ****\n");
1087        }
1088
1089        break;
1090    }
1091
1092
1093    return (AE_OK);
1094}
1095
1096
1097