From 9c5aa7c528b45670a988a8c190acc06abe8a09c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 31 Mar 2015 21:16:19 +0000
Subject: brcm47xx: image: share function checking TRX in provided firmware
MIME-Version: 1.0
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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
---
.../brcm47xx/base-files/lib/upgrade/platform.sh | 24 ++++++++++++++++------
1 file changed, 18 insertions(+), 6 deletions(-)
(limited to 'target/linux/brcm47xx/base-files/lib/upgrade')
diff --git a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
index 8c09706ee8..f5b9bda690 100644
--- a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
@@ -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")
;;
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