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37 lines
624 B
Bash
37 lines
624 B
Bash
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. /lib/functions.sh
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get_magic_at() {
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local file="$1"
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local pos="$2"
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get_image "$file" | dd bs=1 count=2 skip="$pos" 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
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}
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mbl_do_platform_check() {
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local board="$1"
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local file="$2"
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local magic
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magic=$(get_magic_at "$file" 510)
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[ "$magic" != "55aa" ] && {
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echo "Failed to verify MBR boot signature."
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return 1
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}
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return 0;
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}
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mbl_do_upgrade() {
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sync
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get_image "$1" | dd of=/dev/sda bs=2M conv=fsync
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sleep 1
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}
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mbl_copy_config() {
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mkdir -p /boot
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[ -f /boot/uImage ] || mount -t ext4 -o rw,noatime /dev/sda1 /boot
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cp -af "$CONF_TAR" /boot/
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sync
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umount /boot
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}
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