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xserver/hw/xfree86/os-support/solaris/sun_init.c

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/* $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 1.3 2005/05/21 07:46:37 alanc 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");
}
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