This will explain what is actually occuring on dd invocations.
Signed-off-by: Tomasz Maciej Nowak <[email protected]>
---
target/linux/mvebu/base-files/lib/upgrade/sdcard.sh | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/target/linux/mvebu/base-files/lib/upgrade/sdcard.sh
b/target/linux/mvebu/base-files/lib/upgrade/sdcard.sh
index 14d6b9144e9e..d353ec092cc9 100644
--- a/target/linux/mvebu/base-files/lib/upgrade/sdcard.sh
+++ b/target/linux/mvebu/base-files/lib/upgrade/sdcard.sh
@@ -9,7 +9,7 @@ platform_check_image_sdcard() {
get_partitions "/dev/$diskdev" bootdisk
- #extract the boot sector from the image
+ v "Extract boot sector from the image"
get_image_dd "$1" of=/tmp/image.bs count=1 bs=512b
get_partitions /tmp/image.bs image
@@ -40,7 +40,7 @@ platform_do_upgrade_sdcard() {
if [ "$UPGRADE_OPT_SAVE_PARTITIONS" = "1" ]; then
get_partitions "/dev/$diskdev" bootdisk
- #extract the boot sector from the image
+ v "Extract boot sector from the image"
get_image_dd "$1" of=/tmp/image.bs count=1 bs=512b
get_partitions /tmp/image.bs image
@@ -59,7 +59,7 @@ platform_do_upgrade_sdcard() {
partx -d - "/dev/$diskdev"
partx -a - "/dev/$diskdev"
else
- #write uboot image
+ v "Writing bootloader to /dev/$diskdev"
get_image_dd "$1" of="$diskdev" bs=512 skip=1 seek=1 count=2048
conv=fsync
#iterate over each partition from the image and write it to the
boot disk
while read part start size; do
@@ -71,7 +71,6 @@ platform_do_upgrade_sdcard() {
fi
done < /tmp/partmap.image
- #copy partition uuid
v "Writing new UUID to /dev/$diskdev..."
get_image_dd "$1" of="/dev/$diskdev" bs=1 skip=440 count=4
seek=440 conv=fsync
fi
--
2.29.2
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