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- #!/bin/sh
- set -e -x
- if [ $# -ne 5 ]; then
- echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
- exit 1
- fi
- OUTPUT="$1"
- BOOTFS="$2"
- ROOTFS="$3"
- BOOTFSSIZE="$4"
- ROOTFSSIZE="$5"
- align=4096
- head=4
- kernel_type=c
- rootfs_type=83
- sect=63
- set $(ptgen -o $OUTPUT -h $head -s $sect -l $align -t $kernel_type -p ${BOOTFSSIZE}M -t $rootfs_type -p ${ROOTFSSIZE}M ${SIGNATURE:+-S 0x$SIGNATURE})
- BOOTOFFSET="$(($1 / 512))"
- ROOTFSOFFSET="$(($3 / 512))"
- dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
- dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
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