Openwrt/target/linux/realview/image/gen_realview_sdcard_img.sh
John Crispin f582a93a6a realview: create sd card image for qemu
enables a real rootfs with custom size

use qemu with:
qemu-system-arm -M realview-pbx-a9 \
-kernel openwrt-realview-vmlinux.elf \
-nographic -m 1024M \
-sd openwrt-realview-sdcard.img \
--append "console=ttyAMA0 root=/dev/mmcblk0p1"

modified script from brcm2708 target

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>

SVN-Revision: 46924
2015-09-14 20:10:04 +00:00

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#!/usr/bin/env bash
set -x
[ $# -eq 3 ] || {
echo "SYNTAX: $0 <file> <rootfs image> <rootfs size>"
exit 1
}
OUTPUT="$1"
ROOTFS="$2"
ROOTFSSIZE="$3"
head=4
sect=63
set `ptgen -o $OUTPUT -h $head -s $sect -l 4096 -t 83 -p ${ROOTFSSIZE}M`
ROOTFSOFFSET="$(($1 / 512))"
ROOTFSSIZE="$(($2 / 512))"
dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc