repositories / deb_xorg-server.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | } |