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- #!/usr/bin/env bash
- set -x
- [ $# -eq 3 ] || {
- echo "SYNTAX: $0 <file> <bootfs image> <rootfs image>"
- exit 1
- }
- OUTPUT="$1"
- BOOTFS="$2"
- ROOTFS="$3"
- let "BOOTFSSIZE=(`stat -c%s "$2"` + 1048575) / 1048576"
- let "ROOTFSSIZE=(`stat -c%s "$3"` + 1048575) / 1048576"
- head=4
- sect=63
- set `ptgen -o $OUTPUT -h $head -s $sect -l 4096 -t 83 -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
- BOOTOFFSET="$(($1 / 512))"
- BOOTSIZE="$(($2 / 512))"
- ROOTFSOFFSET="$(($3 / 512))"
- ROOTFSSIZE="$(($4 / 512))"
- dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
- dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
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