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Copy pathastlinux-makeimage
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executable file
·266 lines (208 loc) · 5.72 KB
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#!/bin/bash
#
# astlinux-makeimage [imagesize in MB] [dos partition size in MB] [ASTURW partition size in MB]
#
# astlinux-makeimage -z 256 256 0
#
PATH=$PATH:/sbin:/usr/sbin:/usr/local/sbin
HOST_BIN="./output/host/usr/sbin"
#
# If the RUNNIX package was built on a x86_64 system, ./syslinux is not executable on a 32-bit build system.
# In such a case, we need to locally build host-syslinux for 32-bit systems, host-fdisk is always needed.
#
if [ "$(uname -m)" != "x86_64" ]; then
REQUIRED_HOST_CMDS="fdisk syslinux"
else
REQUIRED_HOST_CMDS="fdisk"
fi
REQUIRED_CMDS="which sudo mkdosfs mkfs losetup gzip"
RUNNIX_VER="$(awk -F'=' '/^RUNNIX_VER/ { print $2; exit }' boot/runnix/runnix.mk)"
RUNNIX_DIR="output/build/runnix-${RUNNIX_VER// /}"
RUNFS_DIR="output/build/runfs"
#
# put whatever edits you need to make to the VFAT filesystem here.
#
# it will be run with that as the current working directory.
#
editConf()
{
# stuff here... example:
# sed -i -r -e '/^ append /{s/,19200n8/,38400n8/}' syslinux.cfg
return 0
}
ASTRW_FORMAT=
DUMP_PARTITIONS=
GZIP=
while [ $# -ge 1 ]; do
case "$1" in
-A)
ASTRW_FORMAT=1
;;
-p)
DUMP_PARTITIONS=1
;;
-z)
GZIP=1
;;
*)
break
;;
esac
shift
done
if [ $# -ne 3 ]; then
echo "Usage: astlinux-makeimage [imagesize in MB] [dos partition size in MB] [ASTURW partition size in MB]" >&2
exit 1
fi
for i in $REQUIRED_HOST_CMDS; do
if [ ! -x "$HOST_BIN/$i" ]; then
make host-$i
fi
done
error=0
for i in $REQUIRED_HOST_CMDS; do
if [ ! -x "$HOST_BIN/$i" ]; then
error=1
echo "astlinux-makeimage: Required HOST command \"$i\" is missing." >&2
fi
done
for i in $REQUIRED_CMDS; do
if ! which $i >/dev/null 2>&1; then
error=1
echo "astlinux-makeimage: Required command \"$i\" is missing in your build environment." >&2
if [ "$i" = "which" ]; then # no use proceeding
break
fi
fi
done
if [ $error -ne 0 ]; then
echo "Missing Required Command(s)." >&2
exit 1
fi
DISK_SIZE=$1
DOS_SIZE=$2
AST_SIZE=$3
if [ $(($DOS_SIZE + $AST_SIZE)) -gt $DISK_SIZE ]; then
echo "astlinux-makeimage: Partition sizes exceed disk size." >&2
exit 1
fi
if [ ! -f output/target/etc/rc ]; then
echo "It doesn't look like you have built AstLinux yet.
You need to run ./scripts/build first. For more help please visit
http://www.astlinux.org
" >&2
exit 1
fi
if [ ! -d $RUNNIX_DIR ] || [ ! -d $RUNFS_DIR ]; then
echo "astlinux-makeimage: This image wasn't built with RUNNIX enabled." >&2
exit 1
fi
ASTVER="$(cat ${RUNFS_DIR}/os/ver)"
if [ -z "$ASTVER" ]; then
echo "astlinux-makeimage: missing runfs version file." >&2
exit 1
fi
if ! sudo /bin/true; then
echo "astlinux-makeimage: You need to be a sudo group member to run this script" >&2
exit 1
fi
if [ -d /dev/loop ]; then
LOOPD=/dev/loop/
else
LOOPD=/dev/loop
fi
rm -f runnix.img bximage.out
# dd if=/dev/zero of=runnix.img bs=1024 count=$(($DISK_SIZE*1024))
./scripts/bximage -q -hd -mode=flat -size=$DISK_SIZE runnix.img > bximage.out
sudo losetup ${LOOPD}0 runnix.img
CYL=`awk -F\= '/^ cyl=/ {print $2}' bximage.out`
HEADS=`awk -F\= '/^ heads=/ {print $2}' bximage.out`
SECTORS=`awk -F\= '/^ sectors per track=/ {print $2}' bximage.out`
rm -f bximage.out
# bximage insists on H=16... but most CF is H=64/S=63
# Make sure CYL is a multiple of 4
if [ $HEADS -eq 16 ] && [ $(($CYL % 4)) -eq 0 ]; then
CYL=$(($CYL / 4))
HEADS=$(($HEADS * 4))
fi
if [ -z "$CYL" -o -z "$HEADS" -o -z "$SECTORS" ]; then
echo "Unable to parse geometry; automation failed."
sudo losetup -d ${LOOPD}0
exit 1
fi
echo "Disk Geometry: CYL=$CYL HEADS=$HEADS SECTORS=$SECTORS"
( if [ $AST_SIZE -gt 0 ]; then
echo -e "n\np\n1\n\n+${DOS_SIZE}M\nt\n6\na"
echo -e "n\np\n2\n\n+${AST_SIZE}M\nt\n2\n83"
elif [ $DOS_SIZE -lt $DISK_SIZE ]; then
echo -e "n\np\n1\n\n+${DOS_SIZE}M\nt\n6\na"
else
echo -e "n\np\n1\n\n\nt\n6\na"
fi
echo "w"
) | sudo $HOST_BIN/fdisk -c=dos -u=cylinders -C $CYL -H $HEADS -S $SECTORS ${LOOPD}0
temp="${LOOPD}0"
PREFIXLEN=${#temp}
PREFIX="^${temp//\//\\/}"
# need to filter out bootable marker ('*') so it doesn't show up as $2
eval $(sudo $HOST_BIN/fdisk -c=dos -u=sectors -l ${LOOPD}0 | tr '*' ' ' | awk "/${PREFIX}/ { printf \"%s=%s\\n\", substr(\$1, $PREFIXLEN+1), \$2; }")
if [ -z "$p1" -o \( $AST_SIZE -gt 0 -a -z "$p2" \) ]; then
echo "Couldn't extract partition offsets." >&2
sudo losetup -d ${LOOPD}0
exit 1
fi
sudo losetup -o $(($p1*512)) ${LOOPD}1 runnix.img
LABEL="RUNNIX"
sudo mkdosfs -F 16 -n $LABEL ${LOOPD}1
echo "
##
## AstLinux Image Release: Version = \"$ASTVER\"
##
"
if [ -x $HOST_BIN/syslinux ]; then
SYSLINUX="$(pwd)/$HOST_BIN/syslinux"
else
SYSLINUX="./syslinux"
fi
# run syslinux and copy the master boot record
(
cd ${RUNNIX_DIR}
sudo ${SYSLINUX} ${LOOPD}1
sudo bash -c "cat mbr.bin > ${LOOPD}0"
)
sudo mkdir -p /mnt/runnix
sudo mount -t vfat ${LOOPD}1 /mnt/runnix
sudo cp -r -P --preserve=mode,timestamps ${RUNFS_DIR}/. /mnt/runnix
# run this in a subshell, since we change subdirectory
(
cd /mnt/runnix
editConf
)
# Some systems take a second or two before /mnt/runnix is not busy
cnt=5
while [ $cnt -gt 0 ]; do
cnt=$((cnt - 1))
sleep 2
if sudo umount /mnt/runnix; then
echo "/mnt/runnix is un-mounted"
break
fi
done
sudo rmdir /mnt/runnix
sudo losetup -d ${LOOPD}1
# allow an argument of 0 to skip creating this partition.
if [ $AST_SIZE -gt 0 -a -n "$ASTRW_FORMAT" ]; then
sudo losetup -o $(($p2*512)) ${LOOPD}2 runnix.img
sudo mkfs -t ext2 -L ASTURW ${LOOPD}2
sudo losetup -d ${LOOPD}2
fi
if [ -n "$DUMP_PARTITIONS" ]; then
sudo $HOST_BIN/fdisk -c=dos -u=sectors -l ${LOOPD}0
fi
sudo losetup -d ${LOOPD}0
IMG_NAME="$ASTVER.img"
mv -f runnix.img $IMG_NAME
if [ -n "$GZIP" ]; then
gzip -f $IMG_NAME
fi
echo "Done."