mvebu: rename clearfog sysupgrade script and functions

[openwrt/openwrt.git] / target / linux / mvebu / base-files / lib / upgrade / sdcard.sh

diff --git a/target/linux/mvebu/base-files/lib/upgrade/sdcard.sh b/target/linux/mvebu/base-files/lib/upgrade/sdcard.sh
new file mode 100644 (file)
index 0000000..de6e1a9
--- /dev/null
+++ b/target/linux/mvebu/base-files/lib/upgrade/sdcard.sh
@@ -0,0 +1,32 @@
+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"'
+}
+
+platform_check_image_sdcard() {
+       local file="$1"
+       local magic
+
+       magic=$(get_magic_at "$file" 510)
+       [ "$magic" != "55aa" ] && {
+               echo "Failed to verify MBR boot signature."
+               return 1
+       }
+
+       return 0;
+}
+
+platform_do_upgrade_sdcard() {
+       sync
+       get_image "$1" | dd of=/dev/mmcblk0 bs=2M conv=fsync
+       sleep 1
+}
+
+platform_copy_config_sdcard() {
+       mkdir -p /boot
+       [ -f /boot/kernel.img ] || mount -o rw,noatime /dev/mmcblk0p1 /boot
+       cp -af "$CONF_TAR" /boot/
+       sync
+       umount /boot
+}