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brcm47xx: image: share function checking TRX in provided firmware

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This will allow us to calculate crc32 in a shared code.

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

SVN-Revision: 45202
This commit is contained in:
Rafał Miłecki 2015-03-31 21:16:19 +00:00
parent f7ff532239
commit 9c5aa7c528
1 changed files with 18 additions and 6 deletions
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24
target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
View File

@ -77,6 +77,20 @@ brcm47xx_identify() {
echo "unknown"
}
# $(1): image that should contain trx
# $(2): trx offset in image
platform_check_image_trx() {
local magic=$(get_magic_long_at "$1" $2)
[ "$magic" != "48445230" ] && {
return 1
}
# TODO: Check crc32
return 0
}
platform_check_image() {
[ "$#" -gt 1 ] && return 1
@ -97,11 +111,10 @@ platform_check_image() {
error=1
}
magic=$(get_magic_long_at "$1" "$header_len")
[ "$magic" != "48445230" ] && {
if ! platform_check_image_trx "$1" "$header_len"; then
echo "No valid TRX firmware in the CHK image"
error=1
}
fi
;;
"cybertan")
local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
@ -113,11 +126,10 @@ platform_check_image() {
error=1
}
magic=$(get_magic_long_at "$1" 32)
[ "$magic" != "48445230" ] && {
if ! platform_check_image_trx "$1" 32; then
echo "No valid TRX firmware in the CyberTAN image"
error=1
}
fi
;;
"trx")
;;