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brcm47xx: detect (and still reject for now) CyberTAN fw format

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 43714
This commit is contained in:
Rafał Miłecki 2014-12-15 09:59:44 +00:00
parent f310e02ab3
commit a5b6b7e419
1 changed files with 12 additions and 0 deletions
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12
target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
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@ -1,5 +1,11 @@
PART_NAME=firmware
# $(1): file to read magic from
# $(2): offset in bytes
get_magic_long_at() {
dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
}
brcm47xx_identify() {
local magic
@ -15,6 +21,12 @@ brcm47xx_identify() {
;;
esac
magic=$(get_magic_long_at "$1" 14)
[ "$magic" = "55324e44" ] && {
echo "cybertan"
return
}
echo "unknown"
}