#!/bin/sh
YOUR_UBOOT_FILE=u-boot/u-boot-sunxi-with-spl.bin
YOUR_DTB_FILE=linux/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dtb
YOUR_KERNEL_FILE=linux/arch/arm/boot/zImage
YOUR_ROOTFS_FILE=buildroot-2017.08/output/images/rootfs.tar
YOUR_IMG_FILE=flashimg.bin

dd if=/dev/zero of=flashimg.bin bs=1M count=16 &&\
dd if=$YOUR_UBOOT_FILE of=flashimg.bin bs=1K conv=notrunc &&\
dd if=$YOUR_DTB_FILE of=flashimg.bin bs=1K seek=1024  conv=notrunc &&\
dd if=$YOUR_KERNEL_FILE of=flashimg.bin bs=1K seek=1088  conv=notrunc &&\
mkdir rootfs
tar -xvf $YOUR_ROOTFS_FILE -C ./rootfs &&\
#cp -r $YOUR_MOD_FILE  rootfs/lib/modules/ &&\
# 为根文件系统制作jffs2镜像包
# --pad参数指定 jffs2大小
# 由此计算得到 0x1000000(16M)-0x10000(64K)-0x100000(1M)-0x400000(4M)=0xAF0000
mkfs.jffs2 -s 0x100 -e 0x10000 --pad=0xAF0000 -d rootfs/ -o jffs2.img &&\
dd if=jffs2.img of=$YOUR_IMG_FILE  bs=1K seek=5184  conv=notrunc