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38 lines
877 B
Bash
38 lines
877 B
Bash
#!/bin/sh
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#
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# Copyright (C) 2015 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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set -x
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[ $# -eq 6 ] || {
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echo "SYNTAX: $0 <file> <u-boot.sb image> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
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exit 1
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}
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OUTPUT="$1"
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UBOOT="$2"
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BOOTFS="$3"
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ROOTFS="$4"
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BOOTFSSIZE="$5"
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ROOTFSSIZE="$6"
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head=4
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sect=63
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# Set the u-boot storage to 2M
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set $(ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t 53 -p 2M -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M)
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UBOOTOFFSET="$(($1 / 512))"
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UBOOTSIZE="$(($2 / 512))"
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BOOTOFFSET="$(($3 / 512))"
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BOOTSIZE="$(($4 / 512))"
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ROOTFSOFFSET="$(($5 / 512))"
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ROOTFSSIZE="$(($6 / 512))"
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dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
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dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
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sdimage -d "$OUTPUT" -f "$UBOOT"
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