From a7971771a8ab6f6f76a2a8e482dbb3a30901af1c Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 25 Feb 2011 07:31:13 +0000 Subject: xserver randrproto mesa xkeyboard-config git update 25 Feb 2011 --- xorg-server/hw/xfree86/os-support/bsd/bsd_init.c | 1516 +++++++++++----------- 1 file changed, 756 insertions(+), 760 deletions(-) (limited to 'xorg-server/hw/xfree86/os-support/bsd') diff --git a/xorg-server/hw/xfree86/os-support/bsd/bsd_init.c b/xorg-server/hw/xfree86/os-support/bsd/bsd_init.c index 62618afd8..123eb17d1 100644 --- a/xorg-server/hw/xfree86/os-support/bsd/bsd_init.c +++ b/xorg-server/hw/xfree86/os-support/bsd/bsd_init.c @@ -1,760 +1,756 @@ -/* - * Copyright 1992 by Rich Murphey - * Copyright 1993 by David Wexelblat - * - * 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 Rich Murphey and David Wexelblat - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. Rich Murphey and - * David Wexelblat make no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO - * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL RICH MURPHEY OR 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 -#endif - -#include - -#include "compiler.h" - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" - -#include -#include -#include -#include - -static Bool KeepTty = FALSE; -static int devConsoleFd = -1; -#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) -static int VTnum = -1; -static int initialVT = -1; -static Bool ShareVTs = FALSE; -#endif - -#ifdef PCCONS_SUPPORT -/* Stock 0.1 386bsd pccons console driver interface */ -#ifndef __OpenBSD__ -# define PCCONS_CONSOLE_DEV1 "/dev/ttyv0" -#else -# define PCCONS_CONSOLE_DEV1 "/dev/ttyC0" -#endif -#define PCCONS_CONSOLE_DEV2 "/dev/vga" -#define PCCONS_CONSOLE_MODE O_RDWR|O_NDELAY -#endif - -#ifdef SYSCONS_SUPPORT -/* The FreeBSD 1.1 version syscons driver uses /dev/ttyv0 */ -#define SYSCONS_CONSOLE_DEV1 "/dev/ttyv0" -#define SYSCONS_CONSOLE_DEV2 "/dev/vga" -#define SYSCONS_CONSOLE_MODE O_RDWR|O_NDELAY -#endif - -#ifdef PCVT_SUPPORT -/* Hellmuth Michaelis' pcvt driver */ -#ifndef __OpenBSD__ -# define PCVT_CONSOLE_DEV "/dev/ttyv0" -#else -# define PCVT_CONSOLE_DEV "/dev/ttyC0" -#endif -#define PCVT_CONSOLE_MODE O_RDWR|O_NDELAY -#endif - -#if defined(WSCONS_SUPPORT) && defined(__NetBSD__) -/* NetBSD's new console driver */ -#define WSCONS_PCVT_COMPAT_CONSOLE_DEV "/dev/ttyE0" -#endif - -#ifdef __GLIBC__ -#define setpgrp setpgid -#endif - -#define CHECK_DRIVER_MSG \ - "Check your kernel's console driver configuration and /dev entries" - -static char *supported_drivers[] = { -#ifdef PCCONS_SUPPORT - "pccons (with X support)", -#endif -#ifdef SYSCONS_SUPPORT - "syscons", -#endif -#ifdef PCVT_SUPPORT - "pcvt", -#endif -#ifdef WSCONS_SUPPORT - "wscons", -#endif -}; - - -/* - * Functions to probe for the existance of a supported console driver. - * Any function returns either a valid file descriptor (driver probed - * succesfully), -1 (driver not found), or uses FatalError() if the - * driver was found but proved to not support the required mode to run - * an X server. - */ - -typedef int (*xf86ConsOpen_t)(void); - -#ifdef PCCONS_SUPPORT -static int xf86OpenPccons(void); -#endif /* PCCONS_SUPPORT */ - -#ifdef SYSCONS_SUPPORT -static int xf86OpenSyscons(void); -#endif /* SYSCONS_SUPPORT */ - -#ifdef PCVT_SUPPORT -static int xf86OpenPcvt(void); -#endif /* PCVT_SUPPORT */ - -#ifdef WSCONS_SUPPORT -static int xf86OpenWScons(void); -#endif - -/* - * The sequence of the driver probes is important; start with the - * driver that is best distinguishable, and end with the most generic - * driver. (Otherwise, pcvt would also probe as syscons, and either - * pcvt or syscons might succesfully probe as pccons.) - */ -static xf86ConsOpen_t xf86ConsTab[] = { -#ifdef PCVT_SUPPORT - xf86OpenPcvt, -#endif -#ifdef SYSCONS_SUPPORT - xf86OpenSyscons, -#endif -#ifdef PCCONS_SUPPORT - xf86OpenPccons, -#endif -#ifdef WSCONS_SUPPORT - xf86OpenWScons, -#endif - (xf86ConsOpen_t)NULL -}; - - -void -xf86OpenConsole() -{ - int i, fd = -1; - xf86ConsOpen_t *driver; -#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) - int result; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - struct utsname uts; -#endif - vtmode_t vtmode; -#endif - - if (serverGeneration == 1) - { - /* check if we are run with euid==0 */ - if (geteuid() != 0) - { - FatalError("xf86OpenConsole: Server must be suid root"); - } - - if (!KeepTty) - { - /* - * detaching the controlling tty solves problems of kbd character - * loss. This is not interesting for CO driver, because it is - * exclusive. - */ - setpgrp(0, getpid()); - if ((i = open("/dev/tty",O_RDWR)) >= 0) - { - ioctl(i,TIOCNOTTY,(char *)0); - close(i); - } - } - - /* detect which driver we are running on */ - for (driver = xf86ConsTab; *driver; driver++) - { - if ((fd = (*driver)()) >= 0) - break; - } - - /* Check that a supported console driver was found */ - if (fd < 0) - { - char cons_drivers[80] = {0, }; - for (i = 0; i < sizeof(supported_drivers) / sizeof(char *); i++) - { - if (i) - { - strcat(cons_drivers, ", "); - } - strcat(cons_drivers, supported_drivers[i]); - } - FatalError( - "%s: No console driver found\n\tSupported drivers: %s\n\t%s", - "xf86OpenConsole", cons_drivers, CHECK_DRIVER_MSG); - } -#if 0 /* stdin is already closed in OsInit() */ - fclose(stdin); -#endif - xf86Info.consoleFd = fd; - xf86Info.screenFd = fd; - - switch (xf86Info.consType) - { -#ifdef PCCONS_SUPPORT - case PCCONS: - if (ioctl (xf86Info.consoleFd, CONSOLE_X_MODE_ON, 0) < 0) - { - FatalError("%s: CONSOLE_X_MODE_ON failed (%s)\n%s", - "xf86OpenConsole", strerror(errno), - CHECK_DRIVER_MSG); - } - /* - * Hack to prevent keyboard hanging when syslogd closes - * /dev/console - */ - if ((devConsoleFd = open("/dev/console", O_WRONLY,0)) < 0) - { - xf86Msg(X_WARNING, - "xf86OpenConsole: couldn't open /dev/console (%s)\n", - strerror(errno)); - } - break; -#endif -#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) - case SYSCONS: - /* as of FreeBSD 2.2.8, syscons driver does not need the #1 vt - * switching anymore. Here we check for FreeBSD 3.1 and up. - * Add cases for other *BSD that behave the same. - */ -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - uname (&uts); - i = atof(uts.release) * 100; - if (i >= 310) goto acquire_vt; -#endif - /* otherwise fall through */ - case PCVT: -#if !(defined(__NetBSD__) && (__NetBSD_Version__ >= 200000000)) - /* - * First activate the #1 VT. This is a hack to allow a server - * to be started while another one is active. There should be - * a better way. - */ - if (initialVT != 1) { - - if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 1) != 0) - { - xf86Msg(X_WARNING, - "xf86OpenConsole: VT_ACTIVATE failed\n"); - } - sleep(1); - } -#endif -acquire_vt: - if (!ShareVTs) { - /* - * now get the VT - */ - SYSCALL(result = - ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno)); - if (result != 0) - { - xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed\n"); - } - SYSCALL(result = - ioctl(xf86Info.consoleFd, VT_WAITACTIVE, xf86Info.vtno)); - if (result != 0) - { - xf86Msg(X_WARNING, "xf86OpenConsole: VT_WAITACTIVE failed\n"); - } - - signal(SIGUSR1, xf86VTRequest); - - vtmode.mode = VT_PROCESS; - vtmode.relsig = SIGUSR1; - vtmode.acqsig = SIGUSR1; - vtmode.frsig = SIGUSR1; - if (ioctl(xf86Info.consoleFd, VT_SETMODE, &vtmode) < 0) - { - FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed"); - } - #if !defined(USE_DEV_IO) && !defined(USE_I386_IOPL) - if (ioctl(xf86Info.consoleFd, KDENABIO, 0) < 0) - { - FatalError("xf86OpenConsole: KDENABIO failed (%s)", - strerror(errno)); - } - #endif - if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) - { - FatalError("xf86OpenConsole: KDSETMODE KD_GRAPHICS failed"); - } - } else { /* ShareVTs */ - close(xf86Info.consoleFd); - } - break; -#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ -#ifdef WSCONS_SUPPORT - case WSCONS: - /* Nothing to do */ - break; -#endif - } - } - else - { - /* serverGeneration != 1 */ -#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) - if (!ShareVTs) if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) - { - if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) - { - xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed\n"); - } - } -#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ - } - return; -} - - -#ifdef PCCONS_SUPPORT - -static int -xf86OpenPccons() -{ - int fd = -1; - - if ((fd = open(PCCONS_CONSOLE_DEV1, PCCONS_CONSOLE_MODE, 0)) - >= 0 || - (fd = open(PCCONS_CONSOLE_DEV2, PCCONS_CONSOLE_MODE, 0)) - >= 0) - { - if (ioctl(fd, CONSOLE_X_MODE_OFF, 0) < 0) - { - FatalError( - "%s: CONSOLE_X_MODE_OFF failed (%s)\n%s\n%s", - "xf86OpenPccons", - strerror(errno), - "Was expecting pccons driver with X support", - CHECK_DRIVER_MSG); - } - xf86Info.consType = PCCONS; - xf86Msg(X_PROBED, "Using pccons driver with X support\n"); - } - return fd; -} - -#endif /* PCCONS_SUPPORT */ - -#ifdef SYSCONS_SUPPORT - -static int -xf86OpenSyscons() -{ - int fd = -1; - vtmode_t vtmode; - char vtname[12]; - struct stat status; - long syscons_version; - MessageType from; - - /* Check for syscons */ - if ((fd = open(SYSCONS_CONSOLE_DEV1, SYSCONS_CONSOLE_MODE, 0)) >= 0 - || (fd = open(SYSCONS_CONSOLE_DEV2, SYSCONS_CONSOLE_MODE, 0)) >= 0) - { - if (ioctl(fd, VT_GETMODE, &vtmode) >= 0) - { - /* Get syscons version */ - if (ioctl(fd, CONS_GETVERS, &syscons_version) < 0) - { - syscons_version = 0; - } - - xf86Info.vtno = VTnum; - from = X_CMDLINE; - -#ifdef VT_GETACTIVE - if (ioctl(fd, VT_GETACTIVE, &initialVT) < 0) - initialVT = -1; -#endif - if (ShareVTs) - xf86Info.vtno = initialVT; - - if (xf86Info.vtno == -1) - { - /* - * For old syscons versions (<0x100), VT_OPENQRY returns - * the current VT rather than the next free VT. In this - * case, the server gets started on the current VT instead - * of the next free VT. - */ - -#if 0 - /* check for the fixed VT_OPENQRY */ - if (syscons_version >= 0x100) - { -#endif - if (ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) - { - /* No free VTs */ - xf86Info.vtno = -1; - } -#if 0 - } -#endif - - if (xf86Info.vtno == -1) - { - /* - * All VTs are in use. If initialVT was found, use it. - * Otherwise, if stdin is a VT, use that one. - * XXX stdin is already closed, so this won't work. - */ - if (initialVT != -1) - { - xf86Info.vtno = initialVT; - } - else if ((fstat(0, &status) >= 0) - && S_ISCHR(status.st_mode) - && (ioctl(0, VT_GETMODE, &vtmode) >= 0)) - { - /* stdin is a VT */ - xf86Info.vtno = minor(status.st_rdev) + 1; - } - else - { - if (syscons_version >= 0x100) - { - FatalError("%s: Cannot find a free VT", - "xf86OpenSyscons"); - } - /* Should no longer reach here */ - FatalError("%s: %s %s\n\t%s %s", - "xf86OpenSyscons", - "syscons versions prior to 1.0 require", - "either the", - "server's stdin be a VT", - "or the use of the vtxx server option"); - } - } - from = X_PROBED; - } - - close(fd); -#ifndef __OpenBSD__ - sprintf(vtname, "/dev/ttyv%01x", xf86Info.vtno - 1); -#else - sprintf(vtname, "/dev/ttyC%01x", xf86Info.vtno - 1); -#endif - if ((fd = open(vtname, SYSCONS_CONSOLE_MODE, 0)) < 0) - { - FatalError("xf86OpenSyscons: Cannot open %s (%s)", - vtname, strerror(errno)); - } - if (ioctl(fd, VT_GETMODE, &vtmode) < 0) - { - FatalError("xf86OpenSyscons: VT_GETMODE failed"); - } - xf86Info.consType = SYSCONS; - xf86Msg(X_PROBED, "Using syscons driver with X support"); - if (syscons_version >= 0x100) - { - xf86ErrorF(" (version %ld.%ld)\n", syscons_version >> 8, - syscons_version & 0xFF); - } - else - { - xf86ErrorF(" (version 0.x)\n"); - } - xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno); - } - else - { - /* VT_GETMODE failed, probably not syscons */ - close(fd); - fd = -1; - } - } - return fd; -} - -#endif /* SYSCONS_SUPPORT */ - - -#ifdef PCVT_SUPPORT - -static int -xf86OpenPcvt() -{ - /* This looks much like syscons, since pcvt is API compatible */ - int fd = -1; - vtmode_t vtmode; - char vtname[12], *vtprefix; - struct stat status; - struct pcvtid pcvt_version; - -#ifndef __OpenBSD__ - vtprefix = "/dev/ttyv"; -#else - vtprefix = "/dev/ttyC"; -#endif - - fd = open(PCVT_CONSOLE_DEV, PCVT_CONSOLE_MODE, 0); -#ifdef WSCONS_PCVT_COMPAT_CONSOLE_DEV - if (fd < 0) - { - fd = open(WSCONS_PCVT_COMPAT_CONSOLE_DEV, PCVT_CONSOLE_MODE, 0); - vtprefix = "/dev/ttyE"; - } -#endif - if (fd >= 0) - { - if (ioctl(fd, VGAPCVTID, &pcvt_version) >= 0) - { - if(ioctl(fd, VT_GETMODE, &vtmode) < 0) - { - FatalError("%s: VT_GETMODE failed\n%s%s\n%s", - "xf86OpenPcvt", - "Found pcvt driver but X11 seems to be", - " not supported.", CHECK_DRIVER_MSG); - } - - xf86Info.vtno = VTnum; - - if (ioctl(fd, VT_GETACTIVE, &initialVT) < 0) - initialVT = -1; - - if (xf86Info.vtno == -1) - { - if (ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) - { - /* No free VTs */ - xf86Info.vtno = -1; - } - - if (xf86Info.vtno == -1) - { - /* - * All VTs are in use. If initialVT was found, use it. - * Otherwise, if stdin is a VT, use that one. - * XXX stdin is already closed, so this won't work. - */ - if (initialVT != -1) - { - xf86Info.vtno = initialVT; - } - else if ((fstat(0, &status) >= 0) - && S_ISCHR(status.st_mode) - && (ioctl(0, VT_GETMODE, &vtmode) >= 0)) - { - /* stdin is a VT */ - xf86Info.vtno = minor(status.st_rdev) + 1; - } - else - { - FatalError("%s: Cannot find a free VT", - "xf86OpenPcvt"); - } - } - } - - close(fd); - sprintf(vtname, "%s%01x", vtprefix, xf86Info.vtno - 1); - if ((fd = open(vtname, PCVT_CONSOLE_MODE, 0)) < 0) - { - ErrorF("xf86OpenPcvt: Cannot open %s (%s)", - vtname, strerror(errno)); - xf86Info.vtno = initialVT; - sprintf(vtname, "%s%01x", vtprefix, xf86Info.vtno - 1); - if ((fd = open(vtname, PCVT_CONSOLE_MODE, 0)) < 0) { - FatalError("xf86OpenPcvt: Cannot open %s (%s)", - vtname, strerror(errno)); - } - } - if (ioctl(fd, VT_GETMODE, &vtmode) < 0) - { - FatalError("xf86OpenPcvt: VT_GETMODE failed"); - } - xf86Info.consType = PCVT; -#ifdef WSCONS_SUPPORT - xf86Msg(X_PROBED, - "Using wscons driver on %s in pcvt compatibility mode " - "(version %d.%d)\n", vtname, - pcvt_version.rmajor, pcvt_version.rminor); -#else - xf86Msg(X_PROBED, "Using pcvt driver (version %d.%d)\n", - pcvt_version.rmajor, pcvt_version.rminor); -#endif - } - else - { - /* Not pcvt */ - close(fd); - fd = -1; - } - } - return fd; -} - -#endif /* PCVT_SUPPORT */ - -#ifdef WSCONS_SUPPORT - -static int -xf86OpenWScons() -{ - int fd = -1; - int mode = WSDISPLAYIO_MODE_MAPPED; - int i; - char ttyname[16]; - - /* XXX Is this ok? */ - for (i = 0; i < 8; i++) { -#if defined(__NetBSD__) - sprintf(ttyname, "/dev/ttyE%d", i); -#elif defined(__OpenBSD__) - sprintf(ttyname, "/dev/ttyC%x", i); -#endif - if ((fd = open(ttyname, 2)) != -1) - break; - } - if (fd != -1) { - if (ioctl(fd, WSDISPLAYIO_SMODE, &mode) < 0) { - FatalError("%s: WSDISPLAYIO_MODE_MAPPED failed (%s)\n%s", - "xf86OpenConsole", strerror(errno), - CHECK_DRIVER_MSG); - } - xf86Info.consType = WSCONS; - xf86Msg(X_PROBED, "Using wscons driver\n"); - } - return fd; -} - -#endif /* WSCONS_SUPPORT */ - -void -xf86CloseConsole() -{ -#if defined(SYSCONS_SUPPORT) || defined(PCVT_SUPPORT) - struct vt_mode VT; -#endif - - if (ShareVTs) return; - - switch (xf86Info.consType) - { -#ifdef PCCONS_SUPPORT - case PCCONS: - ioctl (xf86Info.consoleFd, CONSOLE_X_MODE_OFF, 0); - break; -#endif /* PCCONS_SUPPORT */ -#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) - case SYSCONS: - case PCVT: - ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT); /* Back to text mode */ - if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) != -1) - { - VT.mode = VT_AUTO; - ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); /* dflt vt handling */ - } -#if !defined(OpenBSD) && !defined(USE_DEV_IO) && !defined(USE_I386_IOPL) - if (ioctl(xf86Info.consoleFd, KDDISABIO, 0) < 0) - { - xf86FatalError("xf86CloseConsole: KDDISABIO failed (%s)", - strerror(errno)); - } -#endif - if (initialVT != -1) - ioctl(xf86Info.consoleFd, VT_ACTIVATE, initialVT); - break; -#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ -#ifdef WSCONS_SUPPORT - case WSCONS: - { - int mode = WSDISPLAYIO_MODE_EMUL; - ioctl(xf86Info.screenFd, WSDISPLAYIO_SMODE, &mode); - break; - } -#endif - } - - if (xf86Info.screenFd != xf86Info.consoleFd) - { - close(xf86Info.screenFd); - close(xf86Info.consoleFd); - if ((xf86Info.consoleFd = open("/dev/console",O_RDONLY,0)) <0) - { - xf86FatalError("xf86CloseConsole: Cannot open /dev/console (%s)", - strerror(errno)); - } - } - close(xf86Info.consoleFd); - if (devConsoleFd >= 0) - close(devConsoleFd); - return; -} - -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; - } -#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) - if (!strcmp(argv[i], "-sharevts")) - { - ShareVTs = TRUE; - return 1; - } - if ((argv[i][0] == 'v') && (argv[i][1] == 't')) - { - if (sscanf(argv[i], "vt%2d", &VTnum) == 0 || - VTnum < 1 || VTnum > 12) - { - UseMsg(); - VTnum = -1; - return 0; - } - return 1; - } -#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ - return 0; -} - -void -xf86UseMsg() -{ -#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) - ErrorF("vtXX use the specified VT number (1-12)\n"); - ErrorF("-sharevts share VTs with another X server\n"); -#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ - ErrorF("-keeptty "); - ErrorF("don't detach controlling tty (for debugging only)\n"); - return; -} +/* + * Copyright 1992 by Rich Murphey + * Copyright 1993 by David Wexelblat + * + * 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 Rich Murphey and David Wexelblat + * not be used in advertising or publicity pertaining to distribution of + * the software without specific, written prior permission. Rich Murphey and + * David Wexelblat make no representations about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + * + * RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO + * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RICH MURPHEY OR 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 +#endif + +#include + +#include "compiler.h" + +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" + +#include +#include +#include +#include + +static Bool KeepTty = FALSE; +static int devConsoleFd = -1; +#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) +static int VTnum = -1; +static int initialVT = -1; +static Bool ShareVTs = FALSE; +#endif + +#ifdef PCCONS_SUPPORT +/* Stock 0.1 386bsd pccons console driver interface */ +#define PCCONS_CONSOLE_DEV1 "/dev/ttyv0" +#define PCCONS_CONSOLE_DEV2 "/dev/vga" +#define PCCONS_CONSOLE_MODE O_RDWR|O_NDELAY +#endif + +#ifdef SYSCONS_SUPPORT +/* The FreeBSD 1.1 version syscons driver uses /dev/ttyv0 */ +#define SYSCONS_CONSOLE_DEV1 "/dev/ttyv0" +#define SYSCONS_CONSOLE_DEV2 "/dev/vga" +#define SYSCONS_CONSOLE_MODE O_RDWR|O_NDELAY +#endif + +#ifdef PCVT_SUPPORT +/* Hellmuth Michaelis' pcvt driver */ +#ifndef __OpenBSD__ +# define PCVT_CONSOLE_DEV "/dev/ttyv0" +#else +# define PCVT_CONSOLE_DEV "/dev/ttyC0" +#endif +#define PCVT_CONSOLE_MODE O_RDWR|O_NDELAY +#endif + +#if defined(WSCONS_SUPPORT) && defined(__NetBSD__) +/* NetBSD's new console driver */ +#define WSCONS_PCVT_COMPAT_CONSOLE_DEV "/dev/ttyE0" +#endif + +#ifdef __GLIBC__ +#define setpgrp setpgid +#endif + +#define CHECK_DRIVER_MSG \ + "Check your kernel's console driver configuration and /dev entries" + +static char *supported_drivers[] = { +#ifdef PCCONS_SUPPORT + "pccons (with X support)", +#endif +#ifdef SYSCONS_SUPPORT + "syscons", +#endif +#ifdef PCVT_SUPPORT + "pcvt", +#endif +#ifdef WSCONS_SUPPORT + "wscons", +#endif +}; + + +/* + * Functions to probe for the existance of a supported console driver. + * Any function returns either a valid file descriptor (driver probed + * succesfully), -1 (driver not found), or uses FatalError() if the + * driver was found but proved to not support the required mode to run + * an X server. + */ + +typedef int (*xf86ConsOpen_t)(void); + +#ifdef PCCONS_SUPPORT +static int xf86OpenPccons(void); +#endif /* PCCONS_SUPPORT */ + +#ifdef SYSCONS_SUPPORT +static int xf86OpenSyscons(void); +#endif /* SYSCONS_SUPPORT */ + +#ifdef PCVT_SUPPORT +static int xf86OpenPcvt(void); +#endif /* PCVT_SUPPORT */ + +#ifdef WSCONS_SUPPORT +static int xf86OpenWScons(void); +#endif + +/* + * The sequence of the driver probes is important; start with the + * driver that is best distinguishable, and end with the most generic + * driver. (Otherwise, pcvt would also probe as syscons, and either + * pcvt or syscons might succesfully probe as pccons.) + */ +static xf86ConsOpen_t xf86ConsTab[] = { +#ifdef PCVT_SUPPORT + xf86OpenPcvt, +#endif +#ifdef SYSCONS_SUPPORT + xf86OpenSyscons, +#endif +#ifdef PCCONS_SUPPORT + xf86OpenPccons, +#endif +#ifdef WSCONS_SUPPORT + xf86OpenWScons, +#endif + (xf86ConsOpen_t)NULL +}; + + +void +xf86OpenConsole() +{ + int i, fd = -1; + xf86ConsOpen_t *driver; +#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) + int result; +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + struct utsname uts; +#endif + vtmode_t vtmode; +#endif + + if (serverGeneration == 1) + { + /* check if we are run with euid==0 */ + if (geteuid() != 0) + { + FatalError("xf86OpenConsole: Server must be suid root"); + } + + if (!KeepTty) + { + /* + * detaching the controlling tty solves problems of kbd character + * loss. This is not interesting for CO driver, because it is + * exclusive. + */ + setpgrp(0, getpid()); + if ((i = open("/dev/tty",O_RDWR)) >= 0) + { + ioctl(i,TIOCNOTTY,(char *)0); + close(i); + } + } + + /* detect which driver we are running on */ + for (driver = xf86ConsTab; *driver; driver++) + { + if ((fd = (*driver)()) >= 0) + break; + } + + /* Check that a supported console driver was found */ + if (fd < 0) + { + char cons_drivers[80] = {0, }; + for (i = 0; i < sizeof(supported_drivers) / sizeof(char *); i++) + { + if (i) + { + strcat(cons_drivers, ", "); + } + strcat(cons_drivers, supported_drivers[i]); + } + FatalError( + "%s: No console driver found\n\tSupported drivers: %s\n\t%s", + "xf86OpenConsole", cons_drivers, CHECK_DRIVER_MSG); + } +#if 0 /* stdin is already closed in OsInit() */ + fclose(stdin); +#endif + xf86Info.consoleFd = fd; + xf86Info.screenFd = fd; + + switch (xf86Info.consType) + { +#ifdef PCCONS_SUPPORT + case PCCONS: + if (ioctl (xf86Info.consoleFd, CONSOLE_X_MODE_ON, 0) < 0) + { + FatalError("%s: CONSOLE_X_MODE_ON failed (%s)\n%s", + "xf86OpenConsole", strerror(errno), + CHECK_DRIVER_MSG); + } + /* + * Hack to prevent keyboard hanging when syslogd closes + * /dev/console + */ + if ((devConsoleFd = open("/dev/console", O_WRONLY,0)) < 0) + { + xf86Msg(X_WARNING, + "xf86OpenConsole: couldn't open /dev/console (%s)\n", + strerror(errno)); + } + break; +#endif +#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) + case SYSCONS: + /* as of FreeBSD 2.2.8, syscons driver does not need the #1 vt + * switching anymore. Here we check for FreeBSD 3.1 and up. + * Add cases for other *BSD that behave the same. + */ +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + uname (&uts); + i = atof(uts.release) * 100; + if (i >= 310) goto acquire_vt; +#endif + /* otherwise fall through */ + case PCVT: +#if !(defined(__NetBSD__) && (__NetBSD_Version__ >= 200000000)) + /* + * First activate the #1 VT. This is a hack to allow a server + * to be started while another one is active. There should be + * a better way. + */ + if (initialVT != 1) { + + if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 1) != 0) + { + xf86Msg(X_WARNING, + "xf86OpenConsole: VT_ACTIVATE failed\n"); + } + sleep(1); + } +#endif +acquire_vt: + if (!ShareVTs) { + /* + * now get the VT + */ + SYSCALL(result = + ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno)); + if (result != 0) + { + xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed\n"); + } + SYSCALL(result = + ioctl(xf86Info.consoleFd, VT_WAITACTIVE, xf86Info.vtno)); + if (result != 0) + { + xf86Msg(X_WARNING, "xf86OpenConsole: VT_WAITACTIVE failed\n"); + } + + signal(SIGUSR1, xf86VTRequest); + + vtmode.mode = VT_PROCESS; + vtmode.relsig = SIGUSR1; + vtmode.acqsig = SIGUSR1; + vtmode.frsig = SIGUSR1; + if (ioctl(xf86Info.consoleFd, VT_SETMODE, &vtmode) < 0) + { + FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed"); + } + #if !defined(USE_DEV_IO) && !defined(USE_I386_IOPL) + if (ioctl(xf86Info.consoleFd, KDENABIO, 0) < 0) + { + FatalError("xf86OpenConsole: KDENABIO failed (%s)", + strerror(errno)); + } + #endif + if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) + { + FatalError("xf86OpenConsole: KDSETMODE KD_GRAPHICS failed"); + } + } else { /* ShareVTs */ + close(xf86Info.consoleFd); + } + break; +#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ +#ifdef WSCONS_SUPPORT + case WSCONS: + /* Nothing to do */ + break; +#endif + } + } + else + { + /* serverGeneration != 1 */ +#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) + if (!ShareVTs) if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) + { + if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) + { + xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed\n"); + } + } +#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ + } + return; +} + + +#ifdef PCCONS_SUPPORT + +static int +xf86OpenPccons() +{ + int fd = -1; + + if ((fd = open(PCCONS_CONSOLE_DEV1, PCCONS_CONSOLE_MODE, 0)) + >= 0 || + (fd = open(PCCONS_CONSOLE_DEV2, PCCONS_CONSOLE_MODE, 0)) + >= 0) + { + if (ioctl(fd, CONSOLE_X_MODE_OFF, 0) < 0) + { + FatalError( + "%s: CONSOLE_X_MODE_OFF failed (%s)\n%s\n%s", + "xf86OpenPccons", + strerror(errno), + "Was expecting pccons driver with X support", + CHECK_DRIVER_MSG); + } + xf86Info.consType = PCCONS; + xf86Msg(X_PROBED, "Using pccons driver with X support\n"); + } + return fd; +} + +#endif /* PCCONS_SUPPORT */ + +#ifdef SYSCONS_SUPPORT + +static int +xf86OpenSyscons() +{ + int fd = -1; + vtmode_t vtmode; + char vtname[12]; + struct stat status; + long syscons_version; + MessageType from; + + /* Check for syscons */ + if ((fd = open(SYSCONS_CONSOLE_DEV1, SYSCONS_CONSOLE_MODE, 0)) >= 0 + || (fd = open(SYSCONS_CONSOLE_DEV2, SYSCONS_CONSOLE_MODE, 0)) >= 0) + { + if (ioctl(fd, VT_GETMODE, &vtmode) >= 0) + { + /* Get syscons version */ + if (ioctl(fd, CONS_GETVERS, &syscons_version) < 0) + { + syscons_version = 0; + } + + xf86Info.vtno = VTnum; + from = X_CMDLINE; + +#ifdef VT_GETACTIVE + if (ioctl(fd, VT_GETACTIVE, &initialVT) < 0) + initialVT = -1; +#endif + if (ShareVTs) + xf86Info.vtno = initialVT; + + if (xf86Info.vtno == -1) + { + /* + * For old syscons versions (<0x100), VT_OPENQRY returns + * the current VT rather than the next free VT. In this + * case, the server gets started on the current VT instead + * of the next free VT. + */ + +#if 0 + /* check for the fixed VT_OPENQRY */ + if (syscons_version >= 0x100) + { +#endif + if (ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) + { + /* No free VTs */ + xf86Info.vtno = -1; + } +#if 0 + } +#endif + + if (xf86Info.vtno == -1) + { + /* + * All VTs are in use. If initialVT was found, use it. + * Otherwise, if stdin is a VT, use that one. + * XXX stdin is already closed, so this won't work. + */ + if (initialVT != -1) + { + xf86Info.vtno = initialVT; + } + else if ((fstat(0, &status) >= 0) + && S_ISCHR(status.st_mode) + && (ioctl(0, VT_GETMODE, &vtmode) >= 0)) + { + /* stdin is a VT */ + xf86Info.vtno = minor(status.st_rdev) + 1; + } + else + { + if (syscons_version >= 0x100) + { + FatalError("%s: Cannot find a free VT", + "xf86OpenSyscons"); + } + /* Should no longer reach here */ + FatalError("%s: %s %s\n\t%s %s", + "xf86OpenSyscons", + "syscons versions prior to 1.0 require", + "either the", + "server's stdin be a VT", + "or the use of the vtxx server option"); + } + } + from = X_PROBED; + } + + close(fd); +#ifndef __OpenBSD__ + sprintf(vtname, "/dev/ttyv%01x", xf86Info.vtno - 1); +#else + sprintf(vtname, "/dev/ttyC%01x", xf86Info.vtno - 1); +#endif + if ((fd = open(vtname, SYSCONS_CONSOLE_MODE, 0)) < 0) + { + FatalError("xf86OpenSyscons: Cannot open %s (%s)", + vtname, strerror(errno)); + } + if (ioctl(fd, VT_GETMODE, &vtmode) < 0) + { + FatalError("xf86OpenSyscons: VT_GETMODE failed"); + } + xf86Info.consType = SYSCONS; + xf86Msg(X_PROBED, "Using syscons driver with X support"); + if (syscons_version >= 0x100) + { + xf86ErrorF(" (version %ld.%ld)\n", syscons_version >> 8, + syscons_version & 0xFF); + } + else + { + xf86ErrorF(" (version 0.x)\n"); + } + xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno); + } + else + { + /* VT_GETMODE failed, probably not syscons */ + close(fd); + fd = -1; + } + } + return fd; +} + +#endif /* SYSCONS_SUPPORT */ + + +#ifdef PCVT_SUPPORT + +static int +xf86OpenPcvt() +{ + /* This looks much like syscons, since pcvt is API compatible */ + int fd = -1; + vtmode_t vtmode; + char vtname[12], *vtprefix; + struct stat status; + struct pcvtid pcvt_version; + +#ifndef __OpenBSD__ + vtprefix = "/dev/ttyv"; +#else + vtprefix = "/dev/ttyC"; +#endif + + fd = open(PCVT_CONSOLE_DEV, PCVT_CONSOLE_MODE, 0); +#ifdef WSCONS_PCVT_COMPAT_CONSOLE_DEV + if (fd < 0) + { + fd = open(WSCONS_PCVT_COMPAT_CONSOLE_DEV, PCVT_CONSOLE_MODE, 0); + vtprefix = "/dev/ttyE"; + } +#endif + if (fd >= 0) + { + if (ioctl(fd, VGAPCVTID, &pcvt_version) >= 0) + { + if(ioctl(fd, VT_GETMODE, &vtmode) < 0) + { + FatalError("%s: VT_GETMODE failed\n%s%s\n%s", + "xf86OpenPcvt", + "Found pcvt driver but X11 seems to be", + " not supported.", CHECK_DRIVER_MSG); + } + + xf86Info.vtno = VTnum; + + if (ioctl(fd, VT_GETACTIVE, &initialVT) < 0) + initialVT = -1; + + if (xf86Info.vtno == -1) + { + if (ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) + { + /* No free VTs */ + xf86Info.vtno = -1; + } + + if (xf86Info.vtno == -1) + { + /* + * All VTs are in use. If initialVT was found, use it. + * Otherwise, if stdin is a VT, use that one. + * XXX stdin is already closed, so this won't work. + */ + if (initialVT != -1) + { + xf86Info.vtno = initialVT; + } + else if ((fstat(0, &status) >= 0) + && S_ISCHR(status.st_mode) + && (ioctl(0, VT_GETMODE, &vtmode) >= 0)) + { + /* stdin is a VT */ + xf86Info.vtno = minor(status.st_rdev) + 1; + } + else + { + FatalError("%s: Cannot find a free VT", + "xf86OpenPcvt"); + } + } + } + + close(fd); + sprintf(vtname, "%s%01x", vtprefix, xf86Info.vtno - 1); + if ((fd = open(vtname, PCVT_CONSOLE_MODE, 0)) < 0) + { + ErrorF("xf86OpenPcvt: Cannot open %s (%s)", + vtname, strerror(errno)); + xf86Info.vtno = initialVT; + sprintf(vtname, "%s%01x", vtprefix, xf86Info.vtno - 1); + if ((fd = open(vtname, PCVT_CONSOLE_MODE, 0)) < 0) { + FatalError("xf86OpenPcvt: Cannot open %s (%s)", + vtname, strerror(errno)); + } + } + if (ioctl(fd, VT_GETMODE, &vtmode) < 0) + { + FatalError("xf86OpenPcvt: VT_GETMODE failed"); + } + xf86Info.consType = PCVT; +#ifdef WSCONS_SUPPORT + xf86Msg(X_PROBED, + "Using wscons driver on %s in pcvt compatibility mode " + "(version %d.%d)\n", vtname, + pcvt_version.rmajor, pcvt_version.rminor); +#else + xf86Msg(X_PROBED, "Using pcvt driver (version %d.%d)\n", + pcvt_version.rmajor, pcvt_version.rminor); +#endif + } + else + { + /* Not pcvt */ + close(fd); + fd = -1; + } + } + return fd; +} + +#endif /* PCVT_SUPPORT */ + +#ifdef WSCONS_SUPPORT + +static int +xf86OpenWScons() +{ + int fd = -1; + int mode = WSDISPLAYIO_MODE_MAPPED; + int i; + char ttyname[16]; + + /* XXX Is this ok? */ + for (i = 0; i < 8; i++) { +#if defined(__NetBSD__) + sprintf(ttyname, "/dev/ttyE%d", i); +#elif defined(__OpenBSD__) + sprintf(ttyname, "/dev/ttyC%x", i); +#endif + if ((fd = open(ttyname, 2)) != -1) + break; + } + if (fd != -1) { + if (ioctl(fd, WSDISPLAYIO_SMODE, &mode) < 0) { + FatalError("%s: WSDISPLAYIO_MODE_MAPPED failed (%s)\n%s", + "xf86OpenConsole", strerror(errno), + CHECK_DRIVER_MSG); + } + xf86Info.consType = WSCONS; + xf86Msg(X_PROBED, "Using wscons driver\n"); + } + return fd; +} + +#endif /* WSCONS_SUPPORT */ + +void +xf86CloseConsole() +{ +#if defined(SYSCONS_SUPPORT) || defined(PCVT_SUPPORT) + struct vt_mode VT; +#endif + + if (ShareVTs) return; + + switch (xf86Info.consType) + { +#ifdef PCCONS_SUPPORT + case PCCONS: + ioctl (xf86Info.consoleFd, CONSOLE_X_MODE_OFF, 0); + break; +#endif /* PCCONS_SUPPORT */ +#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) + case SYSCONS: + case PCVT: + ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT); /* Back to text mode */ + if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) != -1) + { + VT.mode = VT_AUTO; + ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); /* dflt vt handling */ + } +#if !defined(OpenBSD) && !defined(USE_DEV_IO) && !defined(USE_I386_IOPL) + if (ioctl(xf86Info.consoleFd, KDDISABIO, 0) < 0) + { + xf86FatalError("xf86CloseConsole: KDDISABIO failed (%s)", + strerror(errno)); + } +#endif + if (initialVT != -1) + ioctl(xf86Info.consoleFd, VT_ACTIVATE, initialVT); + break; +#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ +#ifdef WSCONS_SUPPORT + case WSCONS: + { + int mode = WSDISPLAYIO_MODE_EMUL; + ioctl(xf86Info.screenFd, WSDISPLAYIO_SMODE, &mode); + break; + } +#endif + } + + if (xf86Info.screenFd != xf86Info.consoleFd) + { + close(xf86Info.screenFd); + close(xf86Info.consoleFd); + if ((xf86Info.consoleFd = open("/dev/console",O_RDONLY,0)) <0) + { + xf86FatalError("xf86CloseConsole: Cannot open /dev/console (%s)", + strerror(errno)); + } + } + close(xf86Info.consoleFd); + if (devConsoleFd >= 0) + close(devConsoleFd); + return; +} + +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; + } +#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) + if (!strcmp(argv[i], "-sharevts")) + { + ShareVTs = TRUE; + return 1; + } + if ((argv[i][0] == 'v') && (argv[i][1] == 't')) + { + if (sscanf(argv[i], "vt%2d", &VTnum) == 0 || + VTnum < 1 || VTnum > 12) + { + UseMsg(); + VTnum = -1; + return 0; + } + return 1; + } +#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ + return 0; +} + +void +xf86UseMsg() +{ +#if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT) + ErrorF("vtXX use the specified VT number (1-12)\n"); + ErrorF("-sharevts share VTs with another X server\n"); +#endif /* SYSCONS_SUPPORT || PCVT_SUPPORT */ + ErrorF("-keeptty "); + ErrorF("don't detach controlling tty (for debugging only)\n"); + return; +} -- cgit v1.2.3