diff options
author | Dirk Hohndel <dirk.hohndel@intel.com> | 1999-11-19 13:54:06 +0000 |
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committer | Dirk Hohndel <dirk.hohndel@intel.com> | 1999-11-19 13:54:06 +0000 |
commit | f13b792a3a8d307a18cd6a41aa5a06622009e42f (patch) | |
tree | 5d7e7eb1dd3d69a9a408d0082c031c6121d625ea /hw/kdrive/src/kmap.c |
3336. Fx up new MMIO macros (#3337, Matt Grossman).xf-3_9_16fxf-3_9_16exf-3_9_16dxf-3_9_16Z
3335. Clean up compiler warnings in lib/font/bitmap (#3411, Matt Grossman).
3334. TGA fixes, add sync on green (#3410, Matt Grossman).
3333. Fix NULL pointer dereference in libXaw (#3406, Christopher Sekiya).
3332. Add Rage128 support (#3405, Rik Faith, funded by ATI).
3331. Add MTRR support for NetBSD and OpenBSD. Add new NetBSD aperture
driver (#3404, Matthieu Herrb).
3330. Xterm patch #121 (#3402, Thomas Dickey).
3329. Rendition driver bugfixes and alpha related cleanups (#3400, Dejan
Ilic, Marc Langenbach, Egbert Eich).
3328. Add void input device (#3392, Frederic Lepied).
3327. Changed the Xon serial option to be able to select xon/xoff for
input, output or both. Add support for Graphire models. Change wacom
init phase to use new Xoff option (#3391, Frederic Lepied).
3326. Change the SwapAxes option to SwapXY in elographics/microtouch driver
to match an already existing option in the Dynapro driver. Add a Focus
class capability to the elographics driver (#3395, Patrick Lecoanet).
3325. Update mouse rate handling (#3388, Harald Koenig).
3324. Fix NULL pointer dereference in misprite.c (#3380, Edward Wang).
3323. Add FBDev and ShadowFB support to glint driver. Add new option
"NoWriteBitmap" (#3383, Michel Daenzer).
3322. Update SuperProbe to handle S3 Savage4, Savage200 and clean up
Trio3D/Savage3D detection (#3382,3384 Harald Koenig).
3321. Add new framebuffer code and tiny X DDX architecture (#3379, Keith
Packard).
3320. Add DGA2 documentation (#3378, Mark Vojkovich).
3319. Update XFree86 manpage wrt -bpp/-depth/-fbbpp (#3377, Andy Isaacson).
3318. Make SuperProbe check primary cards, only (#3374, Harald Koenig).
3317. Add SilkenMouse to *BSD (#3373, Matthieu Herrb).
3316. Allow SilkenMouse to work if not all drivers of an OS support SIGIO
(#3372, Keith Packard).
3315. Fix a few problems in TGA driver and add support for backing store
and SilkenMouse (#3371, Matt Grossman).
3314. Add smarter scheduler (#3370, Keith Packard).
3313. Xterm patch #120 (#3369, Thomas Dickey).
3312. Enable xf86SetKbdRate function on Solaris 8 (#3364, David Holland).
3311. Fix some bugs and add acceleration to Rendition server (#3360, Dejan
Ilic).
3310. Make raw DDC information available as properties in the root window
(#3357, Andrew Aitchison).
3309. Fix for xf86CreateRootWindow (#3355, Andrew Aitchison).
3308. Add manpage for the chips driver (#3353, David Bateman).
3307. Update contact info (#3352, Andrew van der Stock).
3306. Add kbd rate support for Linux (#3363, Harald Koenig).
3305. Update Portuguese XKB map (#3351, Joao Esteves, Francisco Colaco).
3304. Fix text clipping in 3dfx driver (#3349, Henrik Harmsen).
3303. Fix S3 ViRGE hw cursor (#3348, Harald Koenig).
3302. Fix clipping in 3dfx driver (#3342, Daryll Strauss).
3301. Enable SilkenMouse for 3dfx driver (#3341, Henrik Harmsen).
3300. Enable SIGIO support on LynxOS (#3339, Thomas Mueller).
3299. Get TRUE defined in sigio.c. Fix xterm compile problem on ISC (#3338,
Michael Rohleder).
3298. Correct DPMS suspend/standby modes for 3dfx driver (#3336, Henrik
Harmsen)
3297. Xterm patch #119 (#3335, Thomas Dickey).
Diffstat (limited to 'hw/kdrive/src/kmap.c')
-rw-r--r-- | hw/kdrive/src/kmap.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/hw/kdrive/src/kmap.c b/hw/kdrive/src/kmap.c new file mode 100644 index 000000000..fdd0f36d6 --- /dev/null +++ b/hw/kdrive/src/kmap.c @@ -0,0 +1,86 @@ +/* + * $Id$ + * + * Copyright © 1999 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ +/* $XFree86: $ */ + +#include "kdrive.h" + +#ifdef linux +#include <errno.h> +#include <unistd.h> +#include <sys/mman.h> +#endif + +void * +KdMapDevice (CARD32 addr, CARD32 size) +{ +#ifdef WINDOWS + void *a; + void *d; + + d = VirtualAlloc (NULL, size, MEM_RESERVE, PAGE_NOACCESS); + if (!d) + return NULL; + DRAW_DEBUG ((DEBUG_S3INIT, "Virtual address of 0x%x is 0x%x", addr, d)); + a = VirtualCopyAddr (addr); + DRAW_DEBUG ((DEBUG_S3INIT, "Translated address is 0x%x", a)); + if (!VirtualCopy (d, a, size, + PAGE_READWRITE|PAGE_NOCACHE|PAGE_PHYSICAL)) + { + DRAW_DEBUG ((DEBUG_FAILURE, "VirtualCopy failed %d", + GetLastError ())); + return NULL; + } + DRAW_DEBUG ((DEBUG_S3INIT, "Device mapped successfully")); + return d; +#endif +#ifdef linux + void *a; + int fd; + + fd = open ("/dev/mem", O_RDWR); + if (fd < 0) + FatalError ("KdMapDevice: failed to open /dev/mem (%s)\n", + strerror (errno)); + + a = mmap ((caddr_t) 0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, addr); + close (fd); + if ((long) a == -1) + FatalError ("KdMapDevice: failed to map frame buffer (%s)\n", + strerror (errno)); + return a; +#endif +} + +void +KdUnmapDevice (void *addr, CARD32 size) +{ +#ifdef WINDOWS + VirtualFree (addr, size, MEM_DECOMMIT); + VirtualFree (addr, 0, MEM_RELEASE); +#endif +#ifdef linux + munmap (addr, size); +#endif +} + |