DIRNAME=$(dirname $0)
PATH=/sbin:/bin:/usr/sbin:/usr/bin
+# debugging flags
+# keep KERNEL_DEBUG_ARGS void for production
+KERNEL_DEBUG_ARGS=""
+# and uncomment these to augment verbosity of boot phase
+# not everything works or is helpful, but well
+#KERNEL_DEBUG_ARGS="$KERNEL_DEBUG_ARGS debuginitrd showerr"
+#KERNEL_DEBUG_ARGS="$KERNEL_DEBUG_ARGS earlyprintk=vga loglevel=6"
+# for systemd - might slow down boot
+#KERNEL_DEBUG_ARGS="$KERNEL_DEBUG_ARGS systemd.log_level=debug systemd.journald.forward_to_console=1"
+
+
# defaults
DEFAULT_TYPES="usb iso"
# Leave 4 MB of free space
SERIAL_CONSOLE="ttyS0:115200:n:8"
CONSOLE_INFO=$GRAPHIC_CONSOLE
MKISOFS_OPTS="-R -J -r -f -b isolinux.bin -c boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table"
+#isolinux-debug.bin is supposedly helpful as well if available,
+# when things don't work as expected
+#MKISOFS_OPTS="-R -J -r -f -b isolinux-debug.bin -c boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table"
FREE_SPACE=4096
# command-line settable args
BUILDTMP=$(mktemp -d ${BUILDTMP}/bootcd.XXXXXX)
push_cleanup rm -fr "${BUILDTMP}"
- mkdir "${BUILDTMP}/isofs"
+
+ # initialize ISOFS
+ ISOFS="${BUILDTMP}/isofs"
+ mkdir -p "$ISOFS"
for i in "$ISOREF"/isofs/{bootcd.img,kernel}; do
- ln -s "$i" "${BUILDTMP}/isofs"
+ ln -s "$i" "$ISOFS"
+ done
+ # use new location as of fedora 12
+ # used to be in /usr/lib/syslinux/isolinux.bin
+ # removed backward compat in jan. 2015
+ # as of syslinux 5.0 (fedora 21) ldlinux.c32 is required by isolinux.bin
+ # the debug version can come in handy at times, and is 40k as well
+ isolinuxdir="/usr/share/syslinux"
+ isolinuxfiles="isolinux.bin ldlinux.c32 isolinux-debug.bin memdisk"
+ for isolinuxfile in $isolinuxfiles; do
+ [ -f $isolinuxdir/$isolinuxfile ] && cp $isolinuxdir/$isolinuxfile "${BUILDTMP}/isofs"
done
- # the syslinux that comes with f12 has this file in a new location
- cp "/usr/lib/syslinux/isolinux.bin" "${BUILDTMP}/isofs" \
- || cp "/usr/share/syslinux/isolinux.bin" "${BUILDTMP}/isofs"
- ISOFS="${BUILDTMP}/isofs"
# Root of the ISO and USB images
echo "* Populating root filesystem..."
# # set default target for systemd
# KERNEL_ARGS="$KERNEL_ARGS systemd.unit=pl_boot.target"
# output more systemd-related messages on the console
- KERNEL_ARGS="$KERNEL_ARGS systemd.log_level=debug systemd.log_target=kmsg"
+ KERNEL_ARGS="$KERNEL_ARGS systemd.log_target=console"
+ # add any debug flag if any (defined in the header of this script)
+ KERNEL_ARGS="$KERNEL_ARGS $KERNEL_DEBUG_ARGS"
+ # propagate kernel args for later boot stages
[ -n "$KERNEL_ARGS" ] && echo "$KERNEL_ARGS" > $OVERLAY/kargs.txt
# Pack overlay files into a compressed archive
EOF
# Create ISO image
- echo "* Creating ISO image"
+ echo "* Creating ISO image in $(pwd)"
mkisofs -o "$iso" $MKISOFS_OPTS $ISOFS
}