40 lines
1006 B
Bash
40 lines
1006 B
Bash
#!/bin/bash
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set -euxo pipefail
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diskname=$1
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devname="$2"
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loopname="${devname%*p?}"
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loopdev=/dev/${loopname#/dev/mapper/*}
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#==========================================
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# The GPT spans the first 33 sectors, but we need to write our
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# at sector 16. Shrink the GPT to only span 5 sectors
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# (16 partitions) to give us some space.
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#------------------------------------------
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# echo -e 'x\ns\n16\nw\ny' > gdisk.tmp
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# Shrink GPT does not work anymore, so let's use legacy MBR for now
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cat > gdisk.tmp <<-'EOF'
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x
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r
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g
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t
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1
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c
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w
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y
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EOF
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dd if=$loopdev of=mbrid.bin bs=1 skip=440 count=4
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gdisk $loopdev < gdisk.tmp
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dd of=$loopdev if=mbrid.bin bs=1 seek=440 count=4
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rm -f mbrid.bin
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rm -f gdisk.tmp
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#==========================================
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# Installing All-in-one U-Boot/SPL
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#------------------------------------------
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echo "Installing All-in-one U-Boot/SPL..."
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if ! dd if=boot/u-boot-sunxi-with-spl.bin of=$diskname bs=1024 seek=8 conv=notrunc; then
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echo "Couldn't install SPL on $diskname"
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exit 1
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fi
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