brcm47xx: image: share function checking TRX in provided firmware

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

View File

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