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#!/bin/sh
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# my-mkimage
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# This will pad given files to 64k boundaries to make a single u-boot image.
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# we have to be fancy because u-boot mkimage is going to add 64 byte header, ...
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# and i only know basic arithmetic.. ;)
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#
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# Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
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[ $# -lt 2 ] && {
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echo usage: $0 loader.bin [rootfs.squashfs [fs_mark [...]]] output.bin
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}
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OLDSIZE=$(stat -c%s $1)
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NEWSIZE=$(((OLDSIZE / 65536 + 1) * 65536 - 64))
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dd if=$1 of=vmlinuz.tmp bs=$NEWSIZE conv=sync >/dev/null 2>&1
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shift
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appends=$(($# - 1))
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echo
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while [ $appends -gt 0 ]; do
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dd if=$1 of=temp bs=64k conv=sync >/dev/null 2>&1
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printf "### '%s' starts at 0x%x\n" "`basename $1`" "$((NEWSIZE+64))"
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cat temp >>vmlinuz.tmp
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shift
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appends=$((appends-1))
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NEWSIZE=$(stat -c%s vmlinuz.tmp)
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done
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echo
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../../../../staging_dir/host/bin/mkimage -A mips -O linux -T kernel \
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-C none -a 0x80400000 -e 0x80400000 -n "ADM8668 Linux Kernel(2.4.31)" \
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-d vmlinuz.tmp $1
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rm temp vmlinuz.tmp
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