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|
#!/bin/sh
#
# X configuration script based on ltsp4 startx screen session.
. /usr/share/lessdisks/ltsp_functions
# TODO take commandline arguments for various settings.
vidlist=${vidlist:-"/usr/share/lessdisks/ltsp_vidlist"}
alt_vidlist=${alt_vidlist:-"/usr/share/discover/pci.lst"}
probe_order=${probe_order:-"ltsp discover"}
X_LINK=${X_LINK:-"$rw/etc/X"}
DEFAULT_SERVER=${SERVER:-"xapp"}
XDM_SERVER=${XDM_SERVER:-${DEFAULT_SERVER}}
XFCFG=${xf86config:-"/var/state/lessdisks/etc/XF86Config"}
if [ $# -lt 1 ]; then
XF_ARGS=""
else
XF_ARGS=$*
fi
get_ltsp_xserver(){
# full id of the pci card
pci_id=$1
# manufactuer id number
man_id=$(echo $pci_id | sed s/....$//g)
# model id number
card_id=$(echo $pci_id | sed s/^....//g)
xdriver=$(egrep "^$man_id:$card_id" $vidlist | awk '{print $2}')
echo $xdriver
}
get_discover_xserver(){
# use discover-data
pci_id=$(echo $1 | tr A-Z a-z)
xdriver=$(egrep $pci_id $alt_vidlist | awk '/video/{print $3}' | sed s/Server://g | sed s/XFree86\(//g | tr ")" " ")
echo $xdriver
}
get_xserver(){
# TODO put probe_order somewhere else...
for p in $probe_order; do
case $p in
ltsp) xdriver=$(get_ltsp_xserver $1) ;;
discover) xdriver=$(get_discover_xserver $1) ;;
esac
if [ -n "$xdriver" ]; then
break
fi
done
echo $xdriver
}
check_cards(){
# TODO make use of this function
number_xservers=$(echo $xservers | wc -w)
if [ "$number_xservers" = "0" ]; then
echo "ERROR: couldn't find any video cards"
exit 1
elif [ "$number_xservers" -gt "1" ]; then
# TODO real handling for multiple video cards...
echo "WARNING: $number_xservers servers found, this script is prone to fail..."
fi
}
make_x_link(){
if [ -z "$1" ]; then
return 1
fi
if [ -x "$1" ] && [ ! -d "$1" ]; then
X_BINARY_PATH="$1"
elif [ -x "/usr/bin/X11/$1" ] && [ ! -d "/usr/bin/X11/$1" ]; then
X_BINARY_PATH=/usr/bin/X11/$1
elif [ -d /usr/bin/X11/ ]; then
X_BINARY_PATH=/usr/bin/X11/$1
echo "NOTE: setting X server to $X_BINARY_PATH, but"
echo " the appropriate X server is not installed."
echo " you will need an X server installed..."
sleep 5
fi
if [ -L "$2" ] || [ -e "$2" ]; then
mv -vf $2 $2.old
fi
ln -s $X_BINARY_PATH $2
}
################################################################################
#
# Setup the XF86Config file
#
XSERVER=${XSERVER:-"auto"}
if [ "${XSERVER}" = "auto" ]; then
XSERVER=""
echo "Scanning for video card"
pci_ids=$(cut -f 2 /proc/bus/pci/devices)
for x in $test_pci_ids $pci_ids ; do
XSERVER=$(get_xserver $x)
# TODO handle multple video cards
if [ -n "$XSERVER" ]; then
echo "found X server: $XSERVER"
break
fi
done
if [ -z "${XSERVER}" ]; then
XSERVER=${DEFAULT_XSERVER:-"vesa"}
echo
echo " WARNING: Auto probe of the video card failed"
echo
echo "assuming default of $XSERVER"
sleep 5
fi
fi
if [ "${XSERVER}" = "i810" ]; then
if [ ! -f /tmp/i810_loaded ]; then
modprobe agpgart
touch /tmp/i810_loaded
fi
fi
#
# Build the XF86Config file from entries in the lts.conf file
# If it starts with 'XF86_', then we use XFree86 3.3.6. Otherwise,
# we use XFree86 4.x
#
if [ -e "${XFCFG}" ]; then
cp -a ${XFCFG} ${XFCFG}.old
fi
case ${XSERVER} in
XF86_*) build_x3_cfg ${XSERVER} >${XFCFG}
;;
*) build_x4_cfg ${XSERVER} >${XFCFG}
;;
esac
################################################################################
#
# Figure out how to run the X server
#
if [ -e "$X_LINK" ]; then
mv -f $X_LINK $X_LINK.old
fi
case ${XSERVER} in
XF86_*|Xvnc) XBINARY="${XSERVER}"
XOPTS=""
make_x_link $XSERVER $X_LINK
;;
Xvesa) XBINARY="Xvesa"
make_x_link $XSERVER $X_LINK
case "${X_MODE_0}" in
1280x1024) XOPTS="-shadow -mode 0x011A"
;;
1024x768) XOPTS="-shadow -mode 0x0117"
;;
800x600) XOPTS="-shadow -mode 0x0114"
;;
640x480) XOPTS="-shadow -mode 0x0111"
;;
*) XOPTS="-shadow -mode 0x0117"
;;
esac
;;
*) XBINARY="XFree86"
XOPTS=""
make_x_link XFree86 $X_LINK
;;
esac
|
