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authorDirk Hohndel <dirk.hohndel@intel.com>1999-11-19 13:54:06 +0000
committerDirk Hohndel <dirk.hohndel@intel.com>1999-11-19 13:54:06 +0000
commitf13b792a3a8d307a18cd6a41aa5a06622009e42f (patch)
tree5d7e7eb1dd3d69a9a408d0082c031c6121d625ea /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.c86
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
+}
+