diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_init.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_init.c | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_init.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_init.c new file mode 100644 index 000000000..b2fc3a41e --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/sunos/sun_init.c @@ -0,0 +1,393 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/sunos/sun_init.c,v 1.5 2001/11/25 13:51:24 tsi Exp $ */ +/* + * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany + * Copyright 1993 by David Wexelblat <dwex@goblin.org> + * Copyright 1999 by David Holland <davidh@iquest.net> + * + * 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 names of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, AND IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS 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. + */ +/* $XdotOrg: xc/programs/Xserver/hw/xfree86/os-support/sunos/sun_init.c,v 1.5 2005/07/03 07:01:36 daniels Exp $ */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" +#if defined(__i386) || defined(__x86) +# include <sys/kd.h> +#endif + +static Bool KeepTty = FALSE; +static Bool Protect0 = FALSE; +#ifdef HAS_USL_VTS +static int VTnum = -1; +static int xf86StartVT = -1; +#endif + +#if defined(__SOL8__) || !defined(__i386) +static char fb_dev[PATH_MAX] = "/dev/fb"; +#else +static char fb_dev[PATH_MAX] = "/dev/console"; +#endif + +void +xf86OpenConsole(void) +{ +#ifdef HAS_USL_VTS + int fd, i; + struct vt_mode VT; + struct vt_stat vtinfo; + int FreeVTslot; + MessageType from = X_PROBED; +#endif + + if (serverGeneration == 1) + { + /* Check if we're run with euid==0 */ + if (geteuid() != 0) + FatalError("xf86OpenConsole: Server must be suid root\n"); + + /* Protect page 0 to help find NULL dereferencing */ + /* mprotect() doesn't seem to work */ + if (Protect0) + { + int fd = -1; + + if ((fd = open("/dev/zero", O_RDONLY, 0)) < 0) + { + xf86Msg(X_WARNING, + "xf86OpenConsole: cannot open /dev/zero (%s)\n", + strerror(errno)); + } + else + { + if ((int)mmap(0, 0x1000, PROT_NONE, + MAP_FIXED | MAP_SHARED, fd, 0) == -1) + xf86Msg(X_WARNING, + "xf86OpenConsole: failed to protect page 0 (%s)\n", + strerror(errno)); + + close(fd); + } + } + +#ifdef HAS_USL_VTS + + /* + * Setup the virtual terminal manager + */ + if (VTnum != -1) + { + xf86Info.vtno = VTnum; + from = X_CMDLINE; + } + else + { + if ((fd = open("/dev/vt00",O_RDWR,0)) < 0) + FatalError("xf86OpenConsole: Cannot open /dev/vt00 (%s)\n", + strerror(errno)); + + if (ioctl(fd, VT_GETSTATE, &vtinfo) < 0) + FatalError("xf86OpenConsole: Cannot determine current VT\n"); + + xf86StartVT = vtinfo.v_active; + + /* + * There is a SEVERE problem with x86's VT's. The VT_OPENQRY + * ioctl() will panic the entire system if all 8 (7 VT's+Console) + * terminals are used. The only other way I've found to determine + * if there is a free VT is to try activating all the the available + * VT's and see if they all succeed - if they do, there there is no + * free VT, and the Xserver cannot continue without panic'ing the + * system. (It's ugly, but it seems to work.) Note there is a + * possible race condition here. + * + * David Holland 2/23/94 + */ + + FreeVTslot = 0; + for (i = 7; (i >= 0) && !FreeVTslot; i--) + if (ioctl(fd, VT_ACTIVATE, i) != 0) + FreeVTslot = 1; + + if (!FreeVTslot || + (ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) || + (xf86Info.vtno == -1)) + FatalError("xf86OpenConsole: Cannot find a free VT\n"); + + close(fd); + } + + xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno); + + sprintf(fb_dev, "/dev/vt%02d", xf86Info.vtno); /* Solaris 2.1 x86 */ + +#endif /* HAS_USL_VTS */ + + if (!KeepTty) + setpgrp(); + + if (((xf86Info.consoleFd = open(fb_dev, O_RDWR | O_NDELAY, 0)) < 0)) + FatalError("xf86OpenConsole: Cannot open %s (%s)\n", + fb_dev, strerror(errno)); + +#ifdef HAS_USL_VTS + + /* Change ownership of the vt */ + chown(fb_dev, getuid(), getgid()); + + /* + * Now get the VT + */ + if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) + xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed\n"); + + if (ioctl(xf86Info.consoleFd, VT_WAITACTIVE, xf86Info.vtno) != 0) + xf86Msg(X_WARNING, "xf86OpenConsole: VT_WAITACTIVE failed\n"); + + if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0) + FatalError("xf86OpenConsole: VT_GETMODE failed\n"); + + signal(SIGUSR1, xf86VTRequest); + + VT.mode = VT_PROCESS; + VT.relsig = SIGUSR1; + VT.acqsig = SIGUSR1; + + if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0) + FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed\n"); +#endif +#ifdef KDSETMODE + if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) + FatalError("xf86OpenConsole: KDSETMODE KD_GRAPHICS failed\n"); +#endif + } + else /* serverGeneration != 1 */ + { +#ifdef HAS_USL_VTS + /* + * Now re-get the VT + */ + if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) + xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed\n"); + + if (ioctl(xf86Info.consoleFd, VT_WAITACTIVE, xf86Info.vtno) != 0) + xf86Msg(X_WARNING, "xf86OpenConsole: VT_WAITACTIVE failed\n"); + + /* + * If the server doesn't have the VT when the reset occurs, + * this is to make sure we don't continue until the activate + * signal is received. + */ + if (!xf86Screens[0]->vtSema) + sleep(5); + +#endif /* HAS_USL_VTS */ + + } +} + +void +xf86CloseConsole(void) +{ +#ifdef HAS_USL_VTS + struct vt_mode VT; +#endif +#if defined(__SOL8__) || !defined(i386) + int tmp; +#endif + +#if !defined(i386) && !defined(__x86) + + if (!xf86DoProbe && !xf86DoConfigure) { + int fd; + + /* + * Wipe out framebuffer just like the non-SI Xsun server does. This + * could be improved by saving framebuffer contents in + * xf86OpenConsole() above and restoring them here. Also, it's unclear + * at this point whether this should be done for all framebuffers in + * the system, rather than only the console. + */ + if ((fd = open("/dev/fb", O_RDWR, 0)) < 0) { + xf86Msg(X_WARNING, + "xf86CloseConsole(): unable to open framebuffer (%s)\n", + strerror(errno)); + } else { + struct fbgattr fbattr; + + if ((ioctl(fd, FBIOGATTR, &fbattr) < 0) && + (ioctl(fd, FBIOGTYPE, &fbattr.fbtype) < 0)) { + xf86Msg(X_WARNING, + "xf86CloseConsole(): unable to retrieve framebuffer" + " attributes (%s)\n", strerror(errno)); + } else { + pointer fbdata; + + fbdata = mmap(NULL, fbattr.fbtype.fb_size, + PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + if (fbdata == MAP_FAILED) { + xf86Msg(X_WARNING, + "xf86CloseConsole(): unable to mmap framebuffer" + " (%s)\n", strerror(errno)); + } else { + (void)memset(fbdata, 0, fbattr.fbtype.fb_size); + (void)munmap(fbdata, fbattr.fbtype.fb_size); + } + } + + close(fd); + } + } + +#endif + +#ifdef KDSETMODE + /* Reset the display back to text mode */ + ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT); +#endif + +#ifdef HAS_USL_VTS + + /* + * Solaris 2.1 x86 doesn't seem to "switch" back to the console when the VT + * is relinquished and its mode is reset to auto. Also, Solaris 2.1 seems + * to associate vt00 with the console so I've opened the "console" back up + * and made it the active vt again in text mode and then closed it. There + * must be a better hack for this but I'm not aware of one at this time. + * + * Doug Anson 11/6/93 + * danson@lgc.com + * + * Fixed - 12/5/93 - David Holland - davidh@dorite.use.com + * Did the whole thing similarly to the way linux does it + */ + + if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) != -1) + { + VT.mode = VT_AUTO; /* Set default vt handling */ + ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); + } + + /* Activate the VT that X was started on */ + ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86StartVT); + +#endif /* HAS_USL_VTS */ + + close(xf86Info.consoleFd); + +#if defined(__SOL8__) || !defined(i386) + + /* + * This probably shouldn't be here. However, there is no corresponding + * xf86CloseKbd() routine - DWH + */ + + /* Set the keyboard into "indirect" mode and turn off even translation */ + tmp = 0; + (void) ioctl(xf86Info.kbdFd, KIOCSDIRECT, &tmp); + tmp = TR_ASCII; + (void) ioctl(xf86Info.kbdFd, KIOCTRANS, &tmp); + + close(xf86Info.kbdFd); + +#endif +} + +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; + } + + /* + * Undocumented flag to protect page 0 from read/write to help catch NULL + * pointer dereferences. This is purely a debugging flag. + */ + if (!strcmp(argv[i], "-protect0")) + { + Protect0 = TRUE; + return 1; + } + +#ifdef HAS_USL_VTS + + if ((argv[i][0] == 'v') && (argv[i][1] == 't')) + { + if (sscanf(argv[i], "vt%2d", &VTnum) == 0) + { + UseMsg(); + VTnum = -1; + return 0; + } + + return 1; + } + +#endif /* HAS_USL_VTS */ + +#if defined(__SOL8__) || !defined(i386) + + if ((i + 1) < argc) { + if (!strcmp(argv[i], "-dev")) { + strncpy(fb_dev, argv[i+1], PATH_MAX); + fb_dev[PATH_MAX - 1] = '\0'; + return 2; + } + + if (!strcmp(argv[i], "-ar1")) { + xf86Info.kbdDelay = atoi(argv[i + 1]) * 1000; + return 2; + } + + if (!strcmp(argv[i], "-ar2")) { + xf86Info.kbdRate = atoi(argv[i + 1]) * 1000; + return 2; + } + } + +#endif + + return 0; +} + +void xf86UseMsg() +{ +#ifdef HAS_USL_VTS + ErrorF("vtXX Use the specified VT number\n"); +#endif +#if defined(__SOL8__) || !defined(i386) + ErrorF("-dev <fb> Framebuffer device\n"); + ErrorF("-ar1 <float> Set autorepeat initiate time (sec)\n"); + ErrorF(" (if not using XKB)\n"); + ErrorF("-ar2 <float> Set autorepeat interval time (sec)\n"); + ErrorF(" (if not using XKB)\n"); +#endif + ErrorF("-keeptty Don't detach controlling tty\n"); + ErrorF(" (for debugging only)\n"); +} |