Return to kgen CVS log

Up to [MW Coherent from dump] / coherent / b / kernel / tools

coherent

# kgen version 1.0.2
#
# Copyright 1992, Mark Williams Company
#
# Link and patch a kernel with configuration used when COHERENT was installed.
#
# Usage:  kgen [new-kernel-name [lib-directory]]
#
#   new-kernel-name defaults to "/testcoh"
#   lib-directory defaults to "/conf"

#-------------------------------------
#
# Initialization.
#
TARGET=${1-/testcoh}
KDIR=${2-/conf}

#
# The following files describe the installed configuration.
#
PATCHFILE=/conf/gen/patches
LDKERFILE=/conf/gen/ldker
KBDFILE=/conf/gen/kbd

#
# If no slash in TARGET, prepend one
#
if echo $TARGET | grep -v "/" > /dev/null
then
	TARGET="/"$TARGET
fi

#
# If TARGET not at root level, abort.
#
if echo $TARGET | grep -v "^/.*" > /dev/null
then
	echo "New kernel must be in root directory in order to boot."
	echo "$0 aborted."
	exit 1
fi

#
# Ask before overwiting a kernel file.
#
if [ -f $TARGET ]
then
	echo -n "File $TARGET already exists.  Overwrite? "
	read ANS
	if [ x${ANS} != xy ]
	then
		echo "$0 aborted."
		exit 1
	fi
fi

set -e

#-------------------------------------
echo "Fetching configuration files..."

# Fetch patch file created during installation.
sed -e 's/\/mnt\/coherent/$TARGET/' < $PATCHFILE > /tmp/patches
chmog 555 bin bin /tmp/patches

PATCH=
PATCH="${PATCH} drvl+60=lpcon"
PATCH="${PATCH} drvl+100=asycon"
PATCH="${PATCH} drvl+180=ptycon"
PATCH="${PATCH} drvl+460=semcon"
#PATCH="${PATCH} drvl+480=shmcon"
#PATCH="${PATCH} drvl+500=msgcon"

UNDEF=
UNDEF="$UNDEF -u lpcon"
UNDEF="$UNDEF -u flcon"
UNDEF="$UNDEF -u asycon"
UNDEF="$UNDEF -u ptycon"
UNDEF="$UNDEF -u semcon"
#UNDEF="$UNDEF -u shmcon"
#UNDEF="$UNDEF -u msgcon"

. $LDKERFILE

KB=`cat $KBDFILE`

#-------------------------------------
echo "Linking Target File..."

cd $KDIR
/bin/ld $UNDEF $HDUNDEF -K -o $TARGET -e stext ker386.o $KB kl386.a

#-------------------------------------
echo "Patching Target File..."

/conf/patch $TARGET $PATCH $HDPATCH				   
/conf/asypatch -v $TARGET < /etc/default/async

export TARGET
/tmp/patches
rm /tmp/patches

/bin/chmog 400 sys sys $TARGET

echo "\nNew kernel is $TARGET.\n"
echo "To test this kernel:"
echo "  /etc/shutdown to single-user mode"
echo "  sync"
echo "  Press reset."
echo "  During reboot, press SPACE at the prompt to abort default boot."
echo "  Type `basename $TARGET` at the question mark and press ENTER.\n"
echo "To make the new kernel the default start-up kernel:"
echo "  ln -f $TARGET /autoboot\n"
echo -n "Press ENTER to continue."
read JUNK

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.