aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/rb532/image/gen_image.sh
blob: e46539fd851952b7e5673fc4f0a5907a48ce676e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
#!/bin/sh
OUTPUT="$1"
KERNELSIZE="$2"
KERNELIMAGE="$3"
ROOTFSSIZE="$4"
ROOTFSIMAGE="$5"
ALIGN="$6"

rm -f "$OUTPUT"

# create partition table
set $(ptgen -o "$OUTPUT" -h 16 -s 32 -l ${ALIGN} -t 0x27 -p ${KERNELSIZE}m -t 0x83 -p ${ROOTFSSIZE}m)

KERNELOFFSET="$(($1 / 512))"
ROOTFSOFFSET="$(($3 / 512))"

dd if="$KERNELIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$KERNELOFFSET"
dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$ROOTFSOFFSET"