mirror of https://github.com/hak5/openwrt.git
28 lines
630 B
Bash
28 lines
630 B
Bash
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#!/usr/bin/env bash
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set -x
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[ $# -eq 3 ] || {
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echo "SYNTAX: $0 <file> <bootfs image> <rootfs image>"
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exit 1
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}
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OUTPUT="$1"
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BOOTFS="$2"
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ROOTFS="$3"
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let "BOOTFSSIZE=(`stat -c%s "$2"` + 1048575) / 1048576"
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let "ROOTFSSIZE=(`stat -c%s "$3"` + 1048575) / 1048576"
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head=4
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sect=63
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set `ptgen -o $OUTPUT -h $head -s $sect -l 4096 -t 83 -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
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BOOTOFFSET="$(($1 / 512))"
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BOOTSIZE="$(($2 / 512))"
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ROOTFSOFFSET="$(($3 / 512))"
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ROOTFSSIZE="$(($4 / 512))"
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dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
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dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
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