30 lines
462 B
Bash
Executable File
30 lines
462 B
Bash
Executable File
#!/bin/sh
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#
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# Simple script to replace boot0.bin in an existing image.
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#
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set -e
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out="$1"
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boot0="$2"
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if [ -z "$out" ]; then
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echo "Usage: $0 /dev/sdX [<boot0.bin>]"
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exit 1
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fi
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if [ -z "$boot0" ]; then
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boot0="../blobs/boot0.bin"
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fi
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boot0_position=8 # KiB
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boot0_size=$(wc -c $boot0)
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if [ ! -e "$out" ]; then
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echo "Error: $out not found"
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exit 1
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fi
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pv "$boot0" | dd conv=notrunc bs=1k seek=$boot0_position count=32 oflag=direct of="$out"
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sync
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