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freifunkist-firmware/target/linux/mxs/image/gen_sdcard_vfat_ext4.sh

38 lines
886 B

#!/usr/bin/env bash
#
# Copyright (C) 2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
set -x
[ $# -eq 6 ] || {
echo "SYNTAX: $0 <file> <u-boot.sb image> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
exit 1
}
OUTPUT="$1"
UBOOT="$2"
BOOTFS="$3"
ROOTFS="$4"
BOOTFSSIZE="$5"
ROOTFSSIZE="$6"
head=4
sect=63
# Set the u-boot storage to 2M
set `ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t 53 -p 2M -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
UBOOTOFFSET="$(($1 / 512))"
UBOOTSIZE="$(($2 / 512))"
BOOTOFFSET="$(($3 / 512))"
BOOTSIZE="$(($4 / 512))"
ROOTFSOFFSET="$(($5 / 512))"
ROOTFSSIZE="$(($6 / 512))"
dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
sdimage -d "$OUTPUT" -f "$UBOOT"