diff options
author | marha <marha@users.sourceforge.net> | 2010-12-22 13:20:05 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2010-12-22 13:20:05 +0000 |
commit | 8fd06c45853cb2300105db84e4b722f0e2dad8d2 (patch) | |
tree | 7446470a4b0a1a4060bc880214bcaf22ccc2868f /xorg-server/hw/xfree86/os-support/sco | |
parent | fe2ccbf887ddf31f99d6f630830e3180ff259e40 (diff) | |
download | vcxsrv-8fd06c45853cb2300105db84e4b722f0e2dad8d2.tar.gz vcxsrv-8fd06c45853cb2300105db84e4b722f0e2dad8d2.tar.bz2 vcxsrv-8fd06c45853cb2300105db84e4b722f0e2dad8d2.zip |
xserver libX11 libXdmcp pixman git update 22-12-2010
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/sco')
-rw-r--r-- | xorg-server/hw/xfree86/os-support/sco/Makefile.am | 5 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/os-support/sco/VTsw_sco.c | 127 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/os-support/sco/sco_init.c | 294 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/os-support/sco/sco_iop.c | 90 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/os-support/sco/sco_video.c | 290 |
5 files changed, 0 insertions, 806 deletions
diff --git a/xorg-server/hw/xfree86/os-support/sco/Makefile.am b/xorg-server/hw/xfree86/os-support/sco/Makefile.am deleted file mode 100644 index b5d40f7a5..000000000 --- a/xorg-server/hw/xfree86/os-support/sco/Makefile.am +++ /dev/null @@ -1,5 +0,0 @@ -EXTRA_DIST = \ - VTsw_sco.c \ - sco_init.c \ - sco_iop.c \ - sco_video.c diff --git a/xorg-server/hw/xfree86/os-support/sco/VTsw_sco.c b/xorg-server/hw/xfree86/os-support/sco/VTsw_sco.c deleted file mode 100644 index c9ef7d5cd..000000000 --- a/xorg-server/hw/xfree86/os-support/sco/VTsw_sco.c +++ /dev/null @@ -1,127 +0,0 @@ -/*
- * Copyright 1993 by David Wexelblat <dwex@goblin.org>
- * Copyright 1993 by David McCullough <davidm@stallion.oz.au>
- *
- * 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 David Wexelblat not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. David Wexelblat makes no representations
- * about the suitability of this software for any purpose. It is provided
- * "as is" without express or implied warranty.
- *
- * DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL DAVID WEXELBLAT 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.
- *
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86_OSlib.h"
-
-/* For the event driver prototypes */
-#include <sys/event.h>
-#include <mouse.h>
-
-/*
- * Handle the VT-switching interface for SCO
- */
-
-/*
- * This function is the signal handler for the VT-switching signal. It
- * is only referenced inside the OS-support layer. NOTE: we do NOT need
- * to re-arm the signal here, since we used sigaction() to set the signal
- * disposition in sco_init.c. If we had used signal(), we would need to
- * re-arm the signal here. All we need to do now is record the fact that
- * we got the signal. XFree86 handles the rest.
- */
-void
-xf86VTRequest(int sig)
-{
- xf86Info.vtRequestsPending = TRUE;
- return;
-}
-
-Bool
-xf86VTSwitchPending(void)
-{
- return xf86Info.vtRequestsPending ? TRUE : FALSE;
-}
-
-/*
- * When we switch away, we need to flush and suspend the event driver
- * before the VT_RELDISP. We also need to get the current LED status
- * and preserve it, so that we can restore it when we come back.
- */
-static int sco_ledstatus = -1;
-static unsigned int sco_ledstate = 0;
-
-Bool
-xf86VTSwitchAway(void)
-{
- ev_flush();
- ev_suspend();
-
- sco_ledstatus = ioctl(xf86Info.consoleFd, KDGETLED, &sco_ledstate);
-
- xf86Info.vtRequestsPending = FALSE;
- if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_TRUE) < 0) {
- return FALSE;
- } else {
- return TRUE;
- }
-}
-
-/*
- * When we come back to the X server, we need to resume the event driver,
- * and we need to restore the LED settings to what they were when we
- * switched away.
- */
-Bool
-xf86VTSwitchTo(void)
-{
- ev_resume();
-
- xf86Info.vtRequestsPending = FALSE;
- if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0) {
- return FALSE;
- } else {
- if (sco_ledstatus >= 0) {
- ioctl (xf86Info.consoleFd, KDSETLED, sco_ledstate);
- }
- sco_ledstatus = -1;
-
- /*
- * Convince the console driver this screen is in graphics mode,
- * otherwise it assumes it can do more to the screen than it should.
- */
- if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) {
- ErrorF("Failed to set graphics mode (%s)\n", strerror(errno));
- }
-
- return TRUE;
- }
-}
-
-Bool
-xf86VTActivate(int vtno)
-{
- if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno - 1) < 0) {
- return FALSE;
- }
-
- return TRUE;
-}
diff --git a/xorg-server/hw/xfree86/os-support/sco/sco_init.c b/xorg-server/hw/xfree86/os-support/sco/sco_init.c deleted file mode 100644 index fd4c898dd..000000000 --- a/xorg-server/hw/xfree86/os-support/sco/sco_init.c +++ /dev/null @@ -1,294 +0,0 @@ -/*
- * Copyright 2001-2005 by J. Kean Johnston <jkj@sco.com>
- *
- * 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 J. Kean Johnston not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. J. Kean Johnston makes no
- * representations about the suitability of this software for any purpose.
- * It is provided "as is" without express or implied warranty.
- *
- * J. KEAN JOHNSTON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL J. KEAN JOHNSTON 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.
- */
-
-/* Re-written May 2001 to represent the current state of reality */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xmd.h>
-
-#include "compiler.h"
-
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86_OSlib.h"
-
-static Bool KeepTty = FALSE;
-static int VTnum = -1;
-static char vtdevice[48];
-static int sco_console_mode = -1;
-
-extern Bool mpxLock;
-
-void
-xf86OpenConsole(void)
-{
- int i, ioctl_ret;
- struct vt_mode VT;
- struct vid_info vidinf;
- struct sigaction sigvtsw;
- char *ttn;
-
- if (serverGeneration == 1) {
- /* check if we're run with euid==0 */
- if (geteuid() != 0) {
- FatalError("xf86OpenConsole: Server must be setuid root\n");
- }
-
- /* If we are run in the background we will get SIGTTOU. Ignore it. */
- OsSignal (SIGTTOU, SIG_IGN);
-
- /*
- * Set up the virtual terminal (multiscreen in SCO parlance).
- * For the actual console itself, screens are numbered from
- * 1 to (usually) 16. However, it is possible to have a nested
- * server, and it is also possible to be on a multi-console
- * system such as MaxSpeed or SunRiver. Therefore, we should
- * not make any assumptions about the TTY name we are on, and
- * instead we rely on ttyname() to give us the real TTY name.
- * Previously, we tried to determine the TTY name manually.
- * This is wrong. The only time we need to futz with the TTY name
- * is if we were given the name of a TTY to run on explicity on
- * the command line.
- */
-
- if (VTnum == -1) {
- /*
- * No device was specified. We need to query the kernel to see which
- * console device we are on (and in fact if we are on a console at all).
- */
- ttn = ttyname (1);
-
- if (ttn == (char *)0) {
- FatalError ("xf86OpenConsole: Could not determine TTY name: %s\n",
- strerror(errno));
- }
- strlcpy (vtdevice, ttn, sizeof(vtdevice));
- } else if (VTnum >= 0) {
- snprintf (vtdevice, sizeof(vtdevice), "/dev/tty%02d", VTnum);
- }
-
- /*
- * Now we can dispose of stdin/stdout
- */
- fclose (stdin);
- fclose (stdout);
-
- if ((xf86Info.consoleFd = open(vtdevice, O_RDWR | O_NDELAY, 0)) < 0) {
- FatalError("xf86OpenConsole: Cannot open %s: %s\n", vtdevice,
- strerror(errno));
- }
-
- /*
- * We make 100% sure we use the correct VT number. This can get ugly
- * where there are multi-consoles in use, so we make sure we query
- * the kernel for the correct VT number. It knows best, we don't.
- */
- vidinf.size = sizeof(vidinf);
- if (ioctl (xf86Info.consoleFd, CONS_GETINFO, &vidinf) < 0) {
- FatalError ("xf86OpenConsole: %s not a console device "
- "or error querying device: %s\n", vtdevice, strerror (errno));
- }
- xf86Info.vtno = vidinf.m_num;
- VTnum = vidinf.m_num + 1; /* 0-based */
-
- ErrorF("(using VT%02d device %s)\n\n", VTnum, vtdevice);
-
- /* We activate the console just in case its not the one we are on */
- if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) {
- ErrorF("xf86OpenConsole: VT_ACTIVATE failed (%s)\n", strerror(errno));
- }
-
- /* Disassociate from controling TTY */
- if (!KeepTty) {
- setpgrp();
- }
-
- /*
- * Now we get the current mode that the console device is in. We will
- * use this later when we close the console device to restore it to
- * that same mode.
- */
- if ((sco_console_mode = ioctl(xf86Info.consoleFd, CONS_GET, 0L)) < 0) {
- FatalError("xf86OpenConsole: CONS_GET failed on console (%s)\n",
- strerror(errno));
- }
-
- if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0) {
- FatalError("xf86OpenConsole: VT_GETMODE failed (%s)\n", strerror(errno));
- }
-
- sigvtsw.sa_handler = xf86VTRequest;
- sigfillset(&sigvtsw.sa_mask);
- sigvtsw.sa_flags = 0;
-
- /* NOTE: Using sigaction means we dont have to re-arm the signal */
- sigaction(SIGUSR1, &sigvtsw, NULL);
-
- VT.mode = VT_PROCESS;
- VT.relsig = SIGUSR1;
- VT.acqsig = SIGUSR1;
- VT.frsig = SIGINT; /* Not implemented */
- VT.waitv = 0;
-
- /*
- * The SCO X server tries the following call 5 times. Lets do the same
- * thing. It shouldn't really be required but sometimes things take a
- * while to settle down when switching screens. *helpless shrug* I know
- * its sucks but ...
- */
-
- ioctl_ret = 0;
- for (i = 0; i < 5; i++) {
- ioctl_ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT);
- if (ioctl_ret >= 0)
- break;
- usleep(999999); /* Dont use nap() - it forces linking with -lx */
- }
-
- if (ioctl_ret < 0) {
- FatalError("xf86OpenConsole: VT_SETMODE failed (%s)\n", strerror(errno));
- }
-
- /*
- * Convince the console driver we are in graphics mode.
- */
- if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) {
- ErrorF("Failed to set graphics mode (%s)\n", strerror(errno));
- }
- } else { /* serverGeneration != 1 */
- if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) {
- ErrorF("xf86OpenConsole: VT_ACTIVATE failed (%s)\n", strerror(errno));
- }
- }
-}
-
-/*
- * Restore the console to its previous state. This may cause flicker if
- * the screen was previous in a graphics mode, because we first set it
- * to text mode. This has the advantage of getting the console driver
- * to do a soft reset on the card, which really does help settle the
- * video card down again after coming out of Xfree86.
- */
-void
-xf86CloseConsole(void)
-{
- struct vt_mode VT;
- struct sigaction sigvtsw;
-
- /* Set text mode (possibly briefly) */
- ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT0);
-
- /* Restore the original mode */
- if (sco_console_mode != -1) {
- ioctl(xf86Info.consoleFd, MODESWITCH | sco_console_mode, 0L);
- }
-
- ioctl(xf86Info.consoleFd, VT_RELDISP, 1); /* Release the display */
-
- sigvtsw.sa_handler = SIG_DFL;
- sigfillset(&sigvtsw.sa_mask);
- sigvtsw.sa_flags = 0;
-
- sigaction(SIGUSR1, &sigvtsw, NULL);
-
- VT.mode = VT_AUTO;
- VT.waitv = 0;
- VT.relsig = SIGUSR1;
- VT.acqsig = SIGUSR1;
- VT.frsig = SIGINT;
- ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); /* Revert to auto handling */
-
- close(xf86Info.consoleFd); /* We're done with the device */
-}
-
-int
-xf86ProcessArgument(int argc, char *argv[], int i)
-{
- /*
- * Keep server from detaching from controlling tty. This is useful
- * when debugging (so the server can receive keyboard signals).
- */
- if (!strcmp(argv[i], "-keeptty")) {
- KeepTty = TRUE;
- return 1;
- }
-
- /*
- * By default, the X server wants to bind itself to CPU 0. This makes
- * sure that the server has full access to the I/O ports at IOPL 3.
- * Some SMP systems have trouble with I/O on CPU's other than 0. If,
- * however, you have a system that is well behaved, you can specify
- * this argument and let the scheduler decide which CPU the server
- * should run on.
- */
- if (!strcmp(argv[i], "-nompxlock")) {
- mpxLock = FALSE;
- return 1;
- }
-
- /*
- * Specify the VT number to run on (NOT the device).
- */
- if ((argv[i][0] == 'v') && (argv[i][1] == 't')) {
- if (sscanf(argv[i], "vt%2d", &VTnum) == 0) {
- UseMsg();
- VTnum = -1;
- return 0;
- }
- if (VTnum <= 0) {
- UseMsg();
- VTnum = -1;
- return 0;
- }
- return 1;
- }
-
- /*
- * Use a device the user specifies.
- */
- if (!strcmp(argv[i], "-crt")) {
- if (++i > argc) {
- UseMsg();
- VTnum = -1;
- return 0;
- } else {
- VTnum = -2;
- strlcpy (vtdevice, argv[i], sizeof(vtdevice));
- return 2;
- }
- }
- return 0;
-}
-
-void
-xf86UseMsg(void)
-{
- ErrorF("vtXX use the specified VT number\n");
- ErrorF("-crt DEVICE use the specified VT device\n");
- ErrorF("-nompxlock dont bind X server to CPU 0\n");
- ErrorF("-keeptty ");
- ErrorF("don't detach controlling tty (for debugging only)\n");
-}
diff --git a/xorg-server/hw/xfree86/os-support/sco/sco_iop.c b/xorg-server/hw/xfree86/os-support/sco/sco_iop.c deleted file mode 100644 index 3da4fcf3a..000000000 --- a/xorg-server/hw/xfree86/os-support/sco/sco_iop.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright 2001 by J. Kean Johnston <jkj@caldera.com> - * - * 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 J. Kean Johnston not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. J. Kean Johnston makes no - * representations about the suitability of this software for any purpose. - * It is provided "as is" without express or implied warranty. - * - * J. KEAN JOHNSTON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL J. KEAN JOHNSTON 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. - */ - - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <X11/X.h> - -#include "compiler.h" - -#define _NEED_SYSI86 -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86OSpriv.h" -#include "xf86_OSlib.h" - - -/***************************************************************************/ -/* I/O Permissions section */ -/***************************************************************************/ - -/* - * There is a right way and a wrong way of doing this. Unfortunately, we - * are forced to do it the wrong way. The right way is to be told the range - * or ranges of I/O ports the driver(s) need access to, in order to use the - * CONS_IOPERM ioctl() to grant access only to those ports we care about. - * This way we can guarantee some small level of stability because a driver - * does not have access to all ports (which would mean it could play with - * the PIT and thus affect scheduling times, or a whole slew of other - * nasty things). However, because XFree86 currently only enables or disables - * ALL port access, we need to run at IOPL 3, which basically means the - * X Server runs at the same level as the kernel. You can image why this is - * unsafe. Oh, and this is not a problem unique to OSR5, other OSes are - * affected by this as well. - * - * So, for the time being, we change our IOPL until such time as the XFree86 - * architecture is changed to allow for tighter control of I/O ports. If and - * when it is, then the CONS_ADDIOP/DELIOP ioctl() should be used to enable - * or disable access to the desired ports. - */ - -extern long sysi86 (int cmd, ...); - -static Bool IOEnabled = FALSE; - -Bool -xf86EnableIO(void) -{ - if (IOEnabled) - return TRUE; - - if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) < 0) { - xf86Msg(X_WARNING,"Failed to set IOPL for extended I/O\n"); - return FALSE; - } - - IOEnabled = TRUE; - return TRUE; -} - -void -xf86DisableIO(void) -{ - if (!IOEnabled) - return; - - sysi86(SI86V86, V86SC_IOPL, 0); - IOEnabled = FALSE; -} diff --git a/xorg-server/hw/xfree86/os-support/sco/sco_video.c b/xorg-server/hw/xfree86/os-support/sco/sco_video.c deleted file mode 100644 index f63b71df8..000000000 --- a/xorg-server/hw/xfree86/os-support/sco/sco_video.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * Copyright 2001 by J. Kean Johnston <jkj@sco.com> - * - * 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 J. Kean Johnston not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. J. Kean Johnston makes no - * representations about the suitability of this software for any purpose. - * It is provided "as is" without express or implied warranty. - * - * J. KEAN JOHNSTON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL J. KEAN JOHNSTON 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. - */ - -/* Re-written May 2001 to represent the current state of reality */ - -/* - * This file contains the completely re-written SCO OpenServer video - * routines for XFree86 4.x. Much of this is based on the SCO X server - * code (which is an X11R5 server) and will probably only work on - * OpenServer versions 5.0.5, 5.0.6 and later. Please send me (jkj@sco.com) - * email if you have any questions. - * - * Ideally, you should use OSR5.0.6A or later, with the updated console - * driver for 5.0.6A (its the default driver in 5.0.7 and later). - * However, if you are running on an older system, this code will detect - * that and adjust accordingly. - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <X11/X.h> -#include "input.h" -#include "scrnintstr.h" - -#define _NEED_SYSI86 -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86OSpriv.h" -#include "xf86_OSlib.h" - -#include <sys/ci/ciioctl.h> -#define MPXNAME "/dev/atp1" -#define BASECPU 1 - -Bool mpxLock = TRUE; - -#define USE_VASMETHOD 1 - -/***************************************************************************/ -/* Video Memory Mapping section */ -/***************************************************************************/ - -static int sco_mcdone = 0, sco_ismc = 0; - -/***************************************************************************/ -/* - * To map the video memory, we first need to see if we are on a multi-console - * system. If we are, we need to try to use an existing video class in the - * kernel. We do this by retrieving the list of currently defined classes - * (via the new CONS_GETCLASS ioctl()) to see if we have a class that will - * match the range of memory we desire. If we can't find one, we have an - * error and we abort. - * - * If we are not using a multi-console, we can simply use mmap() to map in - * the frame buffer, using the classs-access method as a fall-back only if - * the mmap() fails (it shouldn't). We always set the appropriate pointers - * in the config structure to point ot the right function to map and unmap - * the video memory. An alternative to using mmap() is to use the new - * CONS_ADDVAS call, which will use vasmalloc() and vasbind() in the kernel - * to map the physical address to a virtual one, which it then returns. - * I am not 100% sure if this is faster or not, but it may prove easier to - * debug things. Just to be on the safe side, I have included both methods - * here, and the mmap() method can be used by setting USE_VASMETHOD to 0 - * above. - */ - -#if !defined(CONS_ADDVAS) -# undef USE_VASMETHOD -# define USE_VASMETHOD 0 -#endif - -static int -scoIsMultiConsole (void) -{ - int x; - - if (sco_mcdone) - return sco_ismc; - x = access ("/usr/lib/vidconf/.multiconsole", F_OK); - if (x == 0) - sco_ismc = 1; - sco_mcdone = 1; - return sco_ismc; -} - -/* - * This maps memory using mmap() - */ -static pointer -mapVidMemMMAP(int ScreenNum, unsigned long Base, unsigned long Size, int flags) -{ - int fd; - unsigned long realBase, alignOff; - pointer base; - - fd = open (DEV_MEM, (flags & VIDMEM_READONLY) ? O_RDONLY : O_RDWR); - if (fd < 0) { - FatalError("xf86MapVidMem: failed to open %s (%s)\n", DEV_MEM, - strerror(errno)); - return 0; /* NOTREACHED */ - } - - realBase = Base & ~(getpagesize() - 1); - alignOff = Base - realBase; - - DebugF("base: %lx, realBase: %lx, alignOff: %lx\n", Base,realBase,alignOff); - - base = mmap((caddr_t)0, Size + alignOff, - (flags & VIDMEM_READONLY) ? PROT_READ : (PROT_READ | PROT_WRITE), - MAP_SHARED, fd, (off_t)realBase); - close(fd); - if (base == MAP_FAILED) { - FatalError("xf86MapVidMem: Could not mmap framebuffer (0x%08x,0x%x) (%s)\n", - Base, Size, strerror(errno)); - return 0; /* NOTREACHED */ - } - - DebugF("base: %lx aligned base: %lx\n",base, base + alignOff); - return (pointer)((char *)base + alignOff); -} - -#if (USE_VASMETHOD) -/* - * This maps memory using the virtual address space (VAS) console calls. - */ -static pointer -mapVidMemVAS(int ScreenNum, unsigned long Base, unsigned long Size, int flags) -{ - struct vidvasmem vas; - pointer base; - - vas.base = (long)Base; - vas.size = (long)Size; - - base = (pointer)ioctl (xf86Info.consoleFd, CONS_ADDVAS, &vas); - if (base == (pointer)-1) { - return mapVidMemMMAP(ScreenNum, Base, Size, flags); - } - return base; -} -#endif /* USE_VASMETHOD */ - -struct vidclass vidclasslist[] = { - { "VBE", "", 0xf0000000, 0x2000000, 0 }, - { "P9000", "", 0xc0000000, 0x400000, 0 }, - { "TULIP", "", 0x80000000, 0x400000, 0 }, - { "VIPER", "", 0xa0000000, 0x400000, 0 }, - { "S3T", "", 0xa0000000, 0x200000, 0 }, - { "S3DT", "", 0x4000000, 0x400000, 0 }, - { "MGA", "", 0x2200000, 0x4000, 0 }, - { "CLVGA", "", 0xa0000, 0x20000, 0 }, - { "OLIVE", "", 0xd8000000, 0x400000, 0 }, - { "S3C", "", 0xa0000, 0x10000, 0 }, - { "MGAVLB", "", 0xac000, 0x34000, 0 }, - { "ATI8514", "", 0xFF000, 0x1000, 0 }, - { "GXREGS", "", 0xb0000, 0x10000, 0 }, - { "GX", "", 0xa0000, 0x10000, 0 }, - { "CT64300", "", 0xa0000000, 0x400000, 0 }, - { "SVGA", "", 0xa0000, 0x20000, 0 }, - { "S3V", "", 0xa0000000, 0x400000, 0 }, - { "8514A", "", 0xFF000, 0x1000, 0 }, - { "VGA", "", 0xa0000, 0x10000, 0 }, - { 0 } -}; - -static pointer -mapVidMemVC(int ScreenNum, unsigned long Base, unsigned long Size, int flags) -{ - struct vidclass *vcp; - char *class = NULL; - pointer base; - - for (vcp = vidclasslist; vcp->name; vcp++) { - if ((vcp->base == Base) && (vcp->size == Size)) { - class = vcp->name; - break; - } - } - - if (class == NULL) { - /* - * As a fall-back, we will try and use the mmap() approach. This may - * prove to be the wrong thing to do, but time and testing will tell. - */ - ErrorF("xf86MapVidMem: No class map defined for (0x%08x,0x%08x)\n", Base, Size); -#if USE_VASMETHOD - return mapVidMemVAS(ScreenNum, Base, Size, flags); -#else /* !USE_VASMETHOD */ - return mapVidMemMMAP(ScreenNum, Base, Size, flags); -#endif - } - - /* - * We found a suitable class. Try and use it. - */ - base = (pointer)ioctl(xf86Info.consoleFd, MAP_CLASS, class); - if ((int)base == -1) { - FatalError("xf86MapVidMem: Failed to map video memory class `%s'\n", class); - return 0; /* NOTREACHED */ - } - - return base; -} - -/* - * Unmapping the video memory is easy. We always call munmap(), as it is - * safe to do so even if we haven't actually mapped in any pages via mmap(). - * In the case where we used the video class, we don't need to do anything - * as the kernel will clean up the TSS when we exit, and will undo the - * vasbind() that was done when the class was originally mapped. If we used - * vasmap, we simply undo the map. Again, it is benign to call vasunmap - * even if we got the frame buffer via some other mechanism (like mmap). - */ - -static void -unmapVidMem(int ScreenNum, pointer Base, unsigned long Size) -{ -#if USE_VASMETHOD - struct vidvasmem vas; - int x; - - vas.base = (long)Base; - vas.size = (long)Size; - - x = ioctl (xf86Info.consoleFd, CONS_DELVAS, &vas); - if (x == 0) - return; -#endif /* USE_VASMETHOD */ - - munmap(Base, Size); -} - -/* - * Set things up to point to our local functions. When the kernel gets - * MTRR support, we will need to add the required functions for that - * here too. MTRR support will most likely appear in 5.0.8 or 5.1.0. - * - * We also want to lock the X server process to the base CPU in an MPX - * system, since we will be going to IOPL 3. Most engine drivers can cope - * with I/O access on any CPU but there are a few (AST Manhattan I believe) - * that can't, so the server needs to be locked to CPU0. - */ -void -xf86OSInitVidMem(VidMemInfoPtr pVidMem) -{ - int mpx_fd; - - if (scoIsMultiConsole ()) { - pVidMem->mapMem = mapVidMemVC; - } else { -#if USE_VASMETHOD - pVidMem->mapMem = mapVidMemVAS; -#else - pVidMem->mapMem = mapVidMemMMAP; -#endif - } - - pVidMem->unmapMem = unmapVidMem; - pVidMem->linearSupported = TRUE; - pVidMem->initialised = TRUE; - - if (mpxLock && (mpx_fd = open (MPXNAME, O_RDONLY)) > 0) { - if (ioctl (mpx_fd, ACPU_XLOCK, BASECPU) < 0) - ErrorF ("xf86OSInitVidMem: Can not bind to CPU 0 (%s)\n", - strerror(errno)); - close (mpx_fd); - } -} - |