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- #!/bin/sh
- set -x
- [ $# -eq 5 ] || {
- echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
- exit 1
- }
- OUTPUT="$1"
- BOOTFS="$2"
- ROOTFS="$3"
- BOOTFSSIZE="$4"
- ROOTFSSIZE="$5"
- head=4
- sect=63
- # Create one empty partitions followed by the swap partition, then the
- # boot partition with the ./boot/zImage and then the rootfs partition.
- # The swap partition with type 82 is 128 MB since the DNS-313 has 64 MB of
- # memory so we assign twice of that as swap.
- # The boot partition must always be the third partition.
- # The user should use the first (blank) partition for user data storage,
- # this will typically be named /dev/sda1
- set $(ptgen -o $OUTPUT -h $head -s $sect -n -t 83 -p 0 -t 82 -p 128M -t 83 -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M)
- # Swapoffset and swapsize will be $1 and $2
- BOOTOFFSET="$(($3 / 512))"
- BOOTSIZE="$(($4 / 512))"
- ROOTFSOFFSET="$(($5 / 512))"
- ROOTFSSIZE="$(($6 / 512))"
- dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
- dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
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