diff options
Diffstat (limited to 'target/linux/mvebu/image/gen_mvebu_sdcard_img.sh')
| -rwxr-xr-x | target/linux/mvebu/image/gen_mvebu_sdcard_img.sh | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/target/linux/mvebu/image/gen_mvebu_sdcard_img.sh b/target/linux/mvebu/image/gen_mvebu_sdcard_img.sh index 1d874df95d..86499eea57 100755 --- a/target/linux/mvebu/image/gen_mvebu_sdcard_img.sh +++ b/target/linux/mvebu/image/gen_mvebu_sdcard_img.sh @@ -18,12 +18,12 @@ # usage() { - echo "$0 <sectors> <outfile> <bootloader> [<type_partitionN> <sectors_partitionN> <img_partitionN>]?" + echo "$0 <outfile> <bootloader> [<type_partitionN> <sectors_partitionN> <img_partitionN>]?" } # always require first 3 arguments # then in pairs up to 8 more for a total of up to 4 partitions -if [ $# -lt 3 ] || [ $# -gt 15 ] || [ $(($#%3)) -ne 0 ]; then +if [ $# -lt 2 ] || [ $# -gt 15 ] || [ $((($# - 2) % 3)) -ne 0 ]; then usage exit 1 fi @@ -31,7 +31,6 @@ fi set -e # parameters -IMGSIZE=$1; shift OUTFILE="$1"; shift BOOTLOADER="$1"; shift @@ -41,7 +40,7 @@ dd if=/dev/zero of="$OUTFILE" bs=512 count=1 >/dev/null printf "Done\n" while [ "$#" -ge 3 ]; do - ptgen_args="$ptgen_args -p $(($2 / 2)) -S 0x$1" + ptgen_args="$ptgen_args -p $(($2 / 2 + 256)) -S 0x$1" parts="$parts$3 " shift; shift; shift done @@ -65,7 +64,11 @@ while [ "$#" -ge 2 ]; do parts="${parts#* }" printf "Writing %s to partition %i: " "$img" $i - dd if="$img" of="$OUTFILE" bs=512 seek=$(($1 / 512)) conv=notrunc 2>/dev/null + ( + cat "$img" + # add padding to avoid leaving behind old overlay fs data + dd if=/dev/zero bs=128k count=1 2>/dev/null + ) | dd of="$OUTFILE" bs=512 seek=$(($1 / 512)) conv=notrunc 2>/dev/null printf "Done\n" let i=i+1 |