mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 09:12:39 +00:00
53 lines
1.5 KiB
Bash
53 lines
1.5 KiB
Bash
#/bin/sh
|
|
#
|
|
# Copyright (C) 2011 OpenWrt.org
|
|
#
|
|
# This is free software, licensed under the GNU General Public License v2.
|
|
# See /LICENSE for more information.
|
|
#
|
|
|
|
usage() {
|
|
echo "Usage: $0 <out file path> <kernel path> <rootfs path>"
|
|
rm -f $CFG_OUT
|
|
exit 1
|
|
}
|
|
|
|
[ "$#" -lt 3 ] && usage
|
|
|
|
FLASH_BS=262144
|
|
CHECK_BS=65536
|
|
MAX_PART_SIZE=7168
|
|
CFG_OUT=$1
|
|
|
|
KERNEL_PATH=$2
|
|
KERNEL_FLASH_ADDR=0x1c0000
|
|
KERNEL_SIZE=$(stat -c%s "$KERNEL_PATH")
|
|
KERNEL_MD5=$(md5=$(md5sum $KERNEL_PATH); echo ${md5%% *})
|
|
KERNEL_PART_SIZE=$(size=$(($KERNEL_SIZE / $FLASH_BS)); [ $(($size * $FLASH_BS)) -lt $KERNEL_SIZE ] && size=$(($size + 1)); echo $(($size * $FLASH_BS / 1024)))
|
|
|
|
ROOTFS_PATH=$3
|
|
ROOTFS_FLASH_ADDR=$(addr=$(($KERNEL_FLASH_ADDR + ($KERNEL_PART_SIZE * 1024))); printf "0x%x" $addr)
|
|
ROOTFS_SIZE=$(stat -c%s "$ROOTFS_PATH")
|
|
ROOTFS_CHECK_BLOCKS=$((($ROOTFS_SIZE / $CHECK_BS) - 1))
|
|
ROOTFS_MD5=$(md5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | md5sum); echo ${md5%% *})
|
|
ROOTFS_CHECK_SIZE=$(printf '0x%x' $(($ROOTFS_CHECK_BLOCKS * $CHECK_BS)))
|
|
ROOTFS_PART_SIZE=$(($MAX_PART_SIZE - $KERNEL_PART_SIZE))
|
|
|
|
cat << EOF > $CFG_OUT
|
|
[vmlinux]
|
|
filename=kernel
|
|
md5sum=$KERNEL_MD5
|
|
flashaddr=$KERNEL_FLASH_ADDR
|
|
checksize=0x0
|
|
cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; saveenv
|
|
cmd_fail=reset
|
|
|
|
[rootfs]
|
|
filename=rootfs
|
|
md5sum=$ROOTFS_MD5
|
|
flashaddr=$ROOTFS_FLASH_ADDR
|
|
checksize=$ROOTFS_CHECK_SIZE
|
|
cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; setenv rootfs_size_1 $ROOTFS_PART_SIZE; saveenv
|
|
cmd_fail=reset
|
|
EOF
|