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a09e091a JB |
1 | /* |
2 | * Copyright 1992 by Rich Murphey <Rich@Rice.edu> | |
3 | * Copyright 1993 by David Wexelblat <dwex@goblin.org> | |
4 | * | |
5 | * Permission to use, copy, modify, distribute, and sell this software and its | |
6 | * documentation for any purpose is hereby granted without fee, provided that | |
7 | * the above copyright notice appear in all copies and that both that | |
8 | * copyright notice and this permission notice appear in supporting | |
9 | * documentation, and that the names of Rich Murphey and David Wexelblat | |
10 | * not be used in advertising or publicity pertaining to distribution of | |
11 | * the software without specific, written prior permission. Rich Murphey and | |
12 | * David Wexelblat make no representations about the suitability of this | |
13 | * software for any purpose. It is provided "as is" without express or | |
14 | * implied warranty. | |
15 | * | |
16 | * RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO | |
17 | * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
18 | * FITNESS, IN NO EVENT SHALL RICH MURPHEY OR DAVID WEXELBLAT BE LIABLE FOR | |
19 | * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER | |
20 | * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF | |
21 | * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
22 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
23 | * | |
24 | */ | |
25 | ||
26 | #ifdef HAVE_XORG_CONFIG_H | |
27 | #include <xorg-config.h> | |
28 | #endif | |
29 | ||
30 | #include <X11/X.h> | |
31 | #include "xf86.h" | |
32 | #include "xf86Priv.h" | |
33 | ||
34 | #include "xf86_OSlib.h" | |
35 | #include "xf86OSpriv.h" | |
36 | ||
37 | /***************************************************************************/ | |
38 | /* Video Memory Mapping section */ | |
39 | /***************************************************************************/ | |
40 | ||
41 | static pointer sparc64MapVidMem(int, unsigned long, unsigned long, int); | |
42 | static void sparc64UnmapVidMem(int, pointer, unsigned long); | |
43 | ||
44 | void | |
45 | xf86OSInitVidMem(VidMemInfoPtr pVidMem) | |
46 | { | |
47 | pVidMem->linearSupported = TRUE; | |
48 | pVidMem->mapMem = sparc64MapVidMem; | |
49 | pVidMem->unmapMem = sparc64UnmapVidMem; | |
50 | pVidMem->initialised = TRUE; | |
51 | } | |
52 | ||
53 | static pointer | |
54 | sparc64MapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, | |
55 | int flags) | |
56 | { | |
57 | int fd = xf86Info.consoleFd; | |
58 | pointer base; | |
59 | ||
60 | #ifdef DEBUG | |
61 | xf86MsgVerb(X_INFO, 3, "mapVidMem %lx, %lx, fd = %d", Base, Size, fd); | |
62 | #endif | |
63 | ||
64 | base = mmap(0, Size, | |
65 | (flags & VIDMEM_READONLY) ? | |
66 | PROT_READ : (PROT_READ | PROT_WRITE), MAP_SHARED, fd, Base); | |
67 | if (base == MAP_FAILED) | |
68 | FatalError("%s: could not mmap screen [s=%x,a=%x] (%s)", | |
69 | "xf86MapVidMem", Size, Base, strerror(errno)); | |
70 | return base; | |
71 | } | |
72 | ||
73 | static void | |
74 | sparc64UnmapVidMem(int ScreenNum, pointer Base, unsigned long Size) | |
75 | { | |
76 | munmap(Base, Size); | |
77 | } | |
78 | ||
79 | int | |
80 | xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf, | |
81 | int Len) | |
82 | { | |
83 | ||
84 | return 0; | |
85 | } |