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Diffstat (limited to 'target/linux/apm821xx/base-files/lib/upgrade/wdbook.sh')
-rw-r--r--target/linux/apm821xx/base-files/lib/upgrade/wdbook.sh36
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/apm821xx/base-files/lib/upgrade/wdbook.sh b/target/linux/apm821xx/base-files/lib/upgrade/wdbook.sh
new file mode 100644
index 0000000..d734751
--- /dev/null
+++ b/target/linux/apm821xx/base-files/lib/upgrade/wdbook.sh
@@ -0,0 +1,36 @@
+. /lib/functions.sh
+
+get_magic_at() {
+ local file="$1"
+ local pos="$2"
+ get_image "$file" | dd bs=1 count=2 skip="$pos" 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
+}
+
+mbl_do_platform_check() {
+ local board="$1"
+ local file="$2"
+ local magic
+
+ magic=$(get_magic_at "$file" 510)
+
+ [ "$magic" != "55aa" ] && {
+ echo "Failed to verify MBR boot signature."
+ return 1
+ }
+
+ return 0;
+}
+
+mbl_do_upgrade() {
+ sync
+ get_image "$1" | dd of=/dev/sda bs=2M conv=fsync
+ sleep 1
+}
+
+mbl_copy_config() {
+ mkdir -p /boot
+ [ -f /boot/uImage ] || mount -t ext4 -o rw,noatime /dev/sda1 /boot
+ cp -af "$CONF_TAR" /boot/
+ sync
+ umount /boot
+}