mirror of
https://github.com/xiaolu/mkbootimg_tools.git
synced 2026-02-14 22:09:35 +01:00
Manipulate shebang
- This project will work on linux. Confirmed working on Ubuntu 15.04. I have added a wrapper script which manipulates the limited usage of a shebang that allows the real mkboot script to be executed by the bash binary from within the project directory. This eliminates the previous requirement of having to place bash at /system/xbin.
This commit is contained in:
ModdingMyMind
@@ -2,20 +2,14 @@
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2. All binaries are statically compiled using the arm-linux-androideabi and arm-linux-gnueabi toolchains.
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3. Move the bash binary to /system/xbin.
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3. Run the mkboot script and have fun (mkboot script is a shebang manipulator)
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4. The rest must remain in the project folder.
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NOTE: This project is designed to work on Android (ARM) devices, however, it will also work on Linux as well.
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- For it to work on Linux all you have to do is:
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1. Open the mkboot script.
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2. Change the shebang to /bin/bash.
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3. Save the file and have fun.
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NOTE: This project (ARM) is designed to work on Android (ARM) devices, however, it will also work on Linux as well. Tested and confirmed working on Ubuntu 15.04.
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### Unpack Boot.img or Recovery.img:
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root@android:/data/local/tmp/mkbootimg_tool/ARM # ./mkboot boot.img bootfolder
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Unpack & decompress boot.img to boot
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Unpack & decompress boot.img to bootfolder
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****** WARNING ******* WARNING ******* WARNING ******
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437
ARM/mkboot
Normal file → Executable file
437
ARM/mkboot
Normal file → Executable file
@@ -1,427 +1,16 @@
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#!/system/xbin/bash
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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#boot.img tool
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#original author: xiaolu
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#heavily modified by: Modding.MyMind
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# This is a wrapper script which basically manipulates the boundaries of an already limited shebang.
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# This allows the execution of the real mkboot (aka wrapper) script using bash from the project directory whether it be on Linux or an ARM device.
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#set -x # for debugging
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target=$(pwd)
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script="${target}/wrapper"
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shebang=$(head -1 "$script")
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buildit="$@"
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trap "clean" 2 3 4
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workdir=$(pwd)
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toolpath=$(readlink -f $0)
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tooldir=$(dirname $toolpath)
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mkbootimg=$tooldir/mkbootimg
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mkbootfs=$tooldir/mkbootfs
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busybox=$(command -v busybox)
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od=$tooldir/od
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gzip=$tooldir/gzip
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lz4=$tooldir/lz4
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lzop=$tooldir/lzop
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lzma=$tooldir/lzma
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xz=$tooldir/xz # Also used for lzma compression
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grep=$tooldir/grep
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cpio=$tooldir/cpio
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magic=$tooldir/magic.mgc
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file=$tooldir/file
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old_bootimg=true
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C_OUT="\033[0;1m"
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C_ERR="\033[31;1m"
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C_CAUT="\033[33;1m"
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C_CLEAR="\033[0;0m"
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# Use an array in case a argument is there too
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interp=( ${shebang#\#!} )
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pout() {
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$busybox printf "${C_OUT}${*}${C_CLEAR}\n"
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}
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perr() {
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$busybox printf "${C_ERR}${*}${C_CLEAR}\n"
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}
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pcaut() {
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$busybox printf "${C_CAUT}${*}${C_CLEAR}\n"
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}
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clean()
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{
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$busybox rm -rf /tmp/mkboot.*
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#pout "..."
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exit
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}
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# Check for busybox
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if [ -z $busybox ]; then
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clear; pcaut "Busybox is NOT installed!\nThis may cause issues with the script!\nUse at your own peril or install busybox!"; sleep 2
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fi
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usage() {
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pcaut "\n<Unpack and Repack Image Tool>"
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perr "Not enough parameters or parameter error!\n"
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pout "Unpack Image & Decompress Ramdisk <Usage>: \n $($busybox basename $0) [image] [output dir]"
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pout " $($busybox basename $0) boot.img project_folder\n"
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pout "Repack Image & Compress Ramdisk <Usage>: \n $($busybox basename $0) [unpacked dir] [new image]"
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pout " $($busybox basename $0) project_folder newboot.img\n"
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clean
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}
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print_info() {
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[[ $boot_magic_addr -gt 0 ]] && pout " boot magic : ANDROID!"
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[[ $boot_magic_addr -gt 0 ]] && pout " magic address : $boot_magic ($boot_magic_addr)"
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[ ! -z "$board" ] && pout " board : $board"
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pout " kernel : $kernel"
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pout " ramdisk : $ramdisk"
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pout " page size : $page_size"
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pout " kernel size : $kernel_size"
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pout " ramdisk size : $ramdisk_size"
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[ ! -z $second_size ] && [ $second_size -gt 0 ] && \
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pout " second size : $second_size"
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[ $dtb_size -gt 0 ] && pout " dtb size : $dtb_size"
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if [ ! -z $base_warning ]; then
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pcaut " base : $base_addr (Non Standard)"
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else
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pout " base : $base_addr"
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fi
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if [ ! -z $kernel_offset_warning ]; then
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pcaut " kernel offset : $kernel_offset (Non Standard)"
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else
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pout " kernel offset : $kernel_offset"
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fi
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if [ ! -z $ramdisk_offset_warning ]; then
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pcaut " ramdisk offset : $ramdisk_offset (Non Standard)"
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else
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pout " ramdisk offset : $ramdisk_offset"
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fi
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if [ ! -z $second_offset_warning ]; then
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[ -z $second_offset ] || pcaut " second offset : $second_offset (Non Standard)"
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else
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[ -z $second_offset ] || pout " second offset : $second_offset"
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fi
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if [ ! -z $tags_offset_warning ]; then
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pcaut " tags offset : $tags_offset (Non Standard)"
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else
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pout " tags offset : $tags_offset"
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fi
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[ $dtb_size -gt 0 ] && pout " dtb offset : $qcdt_offset"
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[ $dtb_size -gt 0 ] && pout " dtb img : $dt"
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[ $second_size -gt 0 ] && pout " second img : $second"
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pout " cmd line : $cmd_line"
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}
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mkboot_img() {
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error=0
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[ $second_size -gt 0 ] && second="--second ${second}"
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[ $dtb_size -gt 0 ] && dtb="--dt ${dt}"
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[ ! -z $second_offset ] && second_offset="--second_offset ${second_offset}"
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[ ! -z "$board" ] && board="--board $board"
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$mkbootimg --kernel $kernel --ramdisk $ramdisk $board \
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--base $base_addr --ramdisk_offset $ramdisk_offset \
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--kernel_offset $kernel_offset $second_offset \
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--tags_offset $tags_offset --cmdline "$cmd_line" \
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--pagesize $page_size $second $dtb -o $new_img 2>/dev/null || error=1
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[ $error -eq 1 ] && return $error
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ramdisk_size=$($busybox stat -c "%s" $ramdisk)
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boot_size=$($busybox stat -c "%s" $new_img)
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pout "\nKernel size: $kernel_size, new ramdisk size: $ramdisk_size, $($busybox basename $new_img): $boot_size."
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pout "\n$($busybox basename $new_img) has been created.\n"
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# Check if new build is larger than original
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# Give caution if it is to insure size is not larger than the partition
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# A courtesy warning
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if [[ "$image_size" -lt "$boot_size" ]]; then
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beefed_up=$(( $boot_size - $image_size ))
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pcaut "\n****** CAUTION ******* CAUTION ******* CAUTION ******"
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pout "\n$($busybox basename $new_img) is $beefed_up bytes larger than"
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pout "the original build! Make sure this new"
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pout "size is not larger than the actual partition!"
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pcaut "\n****** CAUTION ******* CAUTION ******* CAUTION ******\n"
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fi
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}
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#decide action
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[ $# -lt 2 ] || [ $# -gt 3 ] && usage
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if [ $# -eq 2 ] && [ -d $1 ]; then
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mkboot_from_dir=1
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elif [ $# -eq 2 ] && [ -s $1 ]; then
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split_boot_to_dir=1
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else
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usage
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fi
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#mkboot_from_dir, img_info
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if [ ! -z $mkboot_from_dir ]; then
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pout "\nmkbootimg from $1/img_info.\n"
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unpacked_dir=$1
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new_img=$2
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cd $unpacked_dir
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if [ ! -s img_info ]; then
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perr "Missing img_info file! Can't rebuild $2."
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clean
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fi
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eval $(cat img_info)
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if [ -z $kernel ] || [ -z $ramdisk ] || [ -z $base_addr ]; then
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perr "Lacking parameters in img_info."
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clean
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fi
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[ -z $second_size ] && second_size=0
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[ -z $dtb_size ] && dtb_size=0
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if [ -d $ramdisk ]; then
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compression_type=$($file -m $magic ./ramdisk.* | $busybox cut -d: -f2 | $busybox cut -d" " -f2)
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case $compression_type in
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gzip) compression_warning=$compression_type; compression_ext=gzip; compression_repack=$gzip;;
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XZ) compression_warning=$compression_type; compression_ext=xz; compression_repack="$xz -1 --check=crc32";;
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LZMA) compression_warning=$compression_type; compression_ext=lzma; compression_repack="$xz --format=lzma";;
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LZ4) compression_warning=$compression_type; compression_ext=lz4; compression_repack="$lz4 -l -9";;
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lzop) compression_warning=$compression_type; compression_ext=lzop; compression_repack="$lzop -f -9";;
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esac;
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if [ -z $compression_warning ]; then
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perr "\n****** HAZARD ******* HAZARD ******* HAZARD ******"
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pout "\nRamdisk is $compression_type format. Can't repack ramdisk."
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pout "This tool currently does not support $compression_type."
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perr "\n****** HAZARD ******* HAZARD ******* HAZARD ******\n"
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exit
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fi
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if [ $compression_type != "gzip" ] && [ $compression_type != "LZMA" ] && [ $compression_type != "LZ4" ] && [ $compression_type != "lzop" ] && [ $compression_type != "XZ" ]; then
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perr "\nRamdisk is unknown format. Can't repack ramdisk."
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exit 0
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else
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# XZ GZIP LZMA LZ4 LZOP
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$mkbootfs $ramdisk | $compression_repack > new_ramdisk.$compression_ext
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ramdisk=new_ramdisk.$compression_ext
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ramdisk_size=$($busybox stat -c "%s" $ramdisk)
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fi
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fi
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#cd $unpacked_dir
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print_info
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$busybox rm -f $new_img
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mkboot_img $new_img || perr "Make $new_img Error! pls check img_info file."
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#pout "Add SEANDROIDENFORCE tag."
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#printf SEANDROIDENFORCE >> $new_img
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$busybox rm -f new_ramdisk.gz
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clean
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fi
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#split boot.img to dir.
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if [ -e $2 ]; then
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read -p "$2 exists, delete?(N/y)" reply
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case $reply in
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y | Y)
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$busybox rm -rf $2
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;;
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*)
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exit
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;;
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esac
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fi
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tempdir=$2
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$busybox mkdir -p "$tempdir"
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pout "\nUnpack & decompress $1 to $2\n"
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#get boot.img info
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cp -f $1 $tempdir/
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cd $tempdir
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bootimg=$($busybox basename $1)
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# Find BOOT_MAGIC address in dec and hex
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boot_magic_addr=$($grep -abo ANDROID! $bootimg | $busybox cut -f 1 -d : | head -1)
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boot_magic=`printf 0x%08x $boot_magic_addr`
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# Find standard QCDT address in hex
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qcdt_addr=$($grep -abo QCDT $bootimg | $busybox cut -f 1 -d : | head -1)
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if [ ! -z $qcdt_addr ]; then
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qcdt_addr=`printf 0x%x $qcdt_addr`
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fi
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[ -z $boot_magic_addr ] && clean
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if [ $boot_magic_addr -gt 0 ]; then
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$busybox dd if=$bootimg of=bootimg bs=$boot_magic_addr skip=1 2>/dev/null
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bootimg=bootimg
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fi
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kernel_addr=0x$($od -A n -X -j 12 -N 4 $bootimg | $busybox sed 's/ //g' | $busybox sed 's/^0*//g')
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ramdisk_addr=0x$($od -A n -X -j 20 -N 4 $bootimg | $busybox sed 's/ //g' | $busybox sed 's/^0*//g')
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second_addr=0x$($od -A n -X -j 28 -N 4 $bootimg | $busybox sed 's/ //g' | $busybox sed 's/^0*//g')
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tags_addr=0x$($od -A n -X -j 32 -N 4 $bootimg | $busybox sed 's/ //g' | $busybox sed 's/^0*//g')
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kernel_size=$($od -A n -D -j 8 -N 4 $bootimg | $busybox sed 's/ //g')
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#base_addr=0x$($od -A n -x -j 14 -N 2 $bootimg | $busybox sed 's/ //g')0000
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ramdisk_size=$($od -A n -D -j 16 -N 4 $bootimg | $busybox sed 's/ //g')
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second_size=$($od -A n -D -j 24 -N 4 $bootimg | $busybox sed 's/ //g')
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page_size=$($od -A n -D -j 36 -N 4 $bootimg | $busybox sed 's/ //g')
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dtb_size=$($od -A n -D -j 40 -N 4 $bootimg | $busybox sed 's/ //g')
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#cmd_line=$($od -A n --strings -j 64 -N 512 $bootimg)
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#board=$($od -A n --strings -j 48 -N 16 $bootimg)
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cmd_line=$($od -A n -S1 -j 64 -N 512 $bootimg)
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board=$($od -A n -S1 -j 48 -N 16 $bootimg)
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base_addr=$((kernel_addr-0x00008000))
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kernel_offset=$((kernel_addr-base_addr))
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ramdisk_offset=$((ramdisk_addr-base_addr))
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second_offset=$((second_addr-base_addr))
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tags_offset=$((tags_addr-base_addr))
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qcdt_offset=$((qcdt_addr-base_addr))
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base_addr=$(printf "%08x" $base_addr)
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kernel_offset=$(printf "%08x" $kernel_offset)
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ramdisk_offset=$(printf "%08x" $ramdisk_offset)
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second_offset=$(printf "%08x" $second_offset)
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tags_offset=$(printf "%08x" $tags_offset)
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qcdt_offset=$(printf "%08x" $qcdt_offset)
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base_addr=0x${base_addr:0-8}
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kernel_offset=0x${kernel_offset:0-8}
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ramdisk_offset=0x${ramdisk_offset:0-8}
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second_offset=0x${second_offset:0-8}
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tags_offset=0x${tags_offset:0-8}
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qcdt_offset=0x${qcdt_offset:0-8}
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#########################################################
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# BELOW SECTION HANDLES NON STANDARD IMAGES
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if [ $base_addr != 0x10000000 ]; then
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base_warning=$base_addr
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fi
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if [ $kernel_offset != 0x00008000 ]; then
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kernel_offset_warning=$kernel_offset
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fi
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if [ $ramdisk_offset != 0x01000000 ]; then
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ramdisk_offset_warning=$ramdisk_offset
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fi
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if [ $second_offset != 0x00f00000 ]; then
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second_offset_warning=$second_offset
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fi
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if [ $tags_offset != 0x00000100 ]; then
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tags_offset_warning=$tags_offset
|
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fi
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# Below are the known offsets for non standard mkbootimg.c
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if [[ ! -z $base_warning ]] || [[ ! -z $kernel_offset_warning ]] || [[ ! -z $ramdisk_offset_warning ]] || [[ ! -z $second_offset_warning ]] || [[ ! -z $tags_offset_warning ]]; then
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perr "****** WARNING ******* WARNING ******* WARNING ******\n"
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pout "This image is built using NON-standard mkbootimg!\n"
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fi
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if [ ! -z $base_warning ]; then
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pout "BASE is $base_warning"
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fi
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if [ ! -z $kernel_offset_warning ]; then
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pout "KERNEL_OFFSET is $kernel_offset_warning"
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fi
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if [ ! -z $ramdisk_offset_warning ]; then
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pout "RAMDISK_OFFSET is $ramdisk_offset_warning"
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fi
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if [ ! -z $second_offset_warning ]; then
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pout "SECOND_OFFSET is $second_offset_warning"
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fi
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if [ ! -z $tags_offset_warning ]; then
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pout "TAGS_OFFSET is $tags_offset_warning"
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fi
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if [[ ! -z $base_warning ]] || [[ ! -z $kernel_offset_warning ]] || [[ ! -z $ramdisk_offset_warning ]] || [[ ! -z $second_offset_warning ]] || [[ ! -z $tags_offset_warning ]]; then
|
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pout "\nYou can modify mkbootimg.c with the above value(s)"
|
||||
perr "\n****** WARNING ******* WARNING ******* WARNING ******\n"
|
||||
fi
|
||||
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||||
# ABOVE SECTION HANDLES NON STANDARD IMAGES
|
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#########################################################
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k_count=$(((kernel_size+page_size-1)/page_size))
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r_count=$(((ramdisk_size+page_size-1)/page_size))
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s_count=$(((second_size+page_size-1)/page_size))
|
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d_count=$(((dtb_size+page_size-1)/page_size))
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k_offset=1
|
||||
r_offset=$((k_offset+k_count))
|
||||
s_offset=$((r_offset+r_count))
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d_offset=$((s_offset+s_count))
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||||
#zImage
|
||||
$busybox dd if=$bootimg of=zImage_tmp bs=$page_size skip=$k_offset count=$k_count 2>/dev/null
|
||||
$busybox dd if=zImage_tmp of=zImage bs=$kernel_size count=1 2>/dev/null
|
||||
|
||||
#ramdisk.gz
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$busybox dd if=$bootimg of=ramdisk_tmp bs=$page_size skip=$r_offset count=$r_count 2>/dev/null
|
||||
$busybox dd if=ramdisk_tmp of=ramdisk.gz bs=$ramdisk_size count=1 2>/dev/null
|
||||
|
||||
#second image
|
||||
if [ $second_size -gt 0 ]; then
|
||||
$busybox dd if=$bootimg of=second.img_tmp bs=$page_size skip=$s_offset count=$s_count 2>/dev/null
|
||||
$busybox dd if=second.img_tmp of=second.img bs=$second_size count=1 2>/dev/null
|
||||
second="$tempdir/second.img"
|
||||
second=$($busybox basename $second)
|
||||
secondb_name="second=$second"
|
||||
secondb_size="second_size=$second_size"
|
||||
fi
|
||||
|
||||
#dtb
|
||||
if [ $dtb_size -gt 0 ]; then
|
||||
$busybox dd if=$bootimg of=dt.img_tmp bs=$page_size skip=$d_offset count=$d_count 2>/dev/null
|
||||
$busybox dd if=dt.img_tmp of=dt.img bs=$dtb_size count=1 2>/dev/null
|
||||
dt="$tempdir/dt.img"
|
||||
dt=$($busybox basename $dt)
|
||||
dt_name="dt=$dt"
|
||||
dt_size="dtb_size=$dtb_size"
|
||||
fi
|
||||
$busybox rm -f *_tmp $($busybox basename $1) $bootimg
|
||||
|
||||
kernel=zImage
|
||||
ramdisk=ramdisk
|
||||
[ ! -s $kernel ] && clean
|
||||
#print boot.img info
|
||||
print_info
|
||||
|
||||
# Properly escape double quotes
|
||||
# Keep double quotes intact
|
||||
cmd_line=$(echo $cmd_line | sed -e "s/'/'\\\\''/g; 1s/^/'/; \$s/\$/'/")
|
||||
|
||||
#write info to img_info,decompression ramdisk.gz
|
||||
|
||||
[ ! -z "$board" ] && liveboard="board=\"$board\""
|
||||
|
||||
$busybox printf "kernel=zImage\nramdisk=ramdisk\n${secondb_name}\n${dt_name}\npage_size=$page_size\n\
|
||||
kernel_size=$kernel_size\nramdisk_size=$ramdisk_size\n${secondb_size}\n${dt_size}\nbase_addr=$base_addr\nkernel_offset=$kernel_offset\n\
|
||||
ramdisk_offset=$ramdisk_offset\nsecond_offset=$second_offset\ntags_offset=$tags_offset\nqcdt_offset=$qcdt_offset\ncmd_line=$cmd_line\n$liveboard\n" > img_info
|
||||
|
||||
# Include original image size in bytes to img_info
|
||||
image_size=$($busybox stat -c "%s" '../'$1)
|
||||
$busybox printf "image_size=$image_size" >> img_info
|
||||
|
||||
$busybox mkdir ramdisk
|
||||
cd ramdisk
|
||||
|
||||
compression_type=$($file -m $magic ../ramdisk.gz | $busybox cut -d: -f2 | $busybox cut -d" " -f2)
|
||||
compression_warning=$compression_type
|
||||
|
||||
case $compression_type in
|
||||
gzip) compression_type=$gzip; compression_ext=gz;;
|
||||
XZ) compression_type=$xz; compression_ext=xz;;
|
||||
LZMA) compression_type=$lzma; compression_ext=lzma;;
|
||||
LZ4) compression_type=$lz4; compression_ext=lz4;;
|
||||
lzop) compression_type=$lzop; compression_ext=lzop;;
|
||||
esac;
|
||||
|
||||
decomp_ramdisk="$compression_type -d -c"
|
||||
decomp_ramdisk2="$cpio -i -d -m --no-absolute-filenames"
|
||||
|
||||
if [ -z $compression_ext ]; then
|
||||
perr "\n****** HAZARD ******* HAZARD ******* HAZARD ******"
|
||||
pout "\nRamdisk is $compression_warning format. Can't unpack ramdisk."
|
||||
pout "This tool currently does not support $compression_warning."
|
||||
perr "\n****** HAZARD ******* HAZARD ******* HAZARD ******\n"
|
||||
exit
|
||||
fi
|
||||
$busybox mv ../ramdisk.gz ../ramdisk.$compression_ext # This is simply to remind the user if they view the folder afterwards
|
||||
pout "\nRamdisk is $compression_warning format."
|
||||
$decomp_ramdisk "../ramdisk.$compression_ext" | $decomp_ramdisk2 $extra
|
||||
|
||||
#Unpack Finish to exit.
|
||||
pout "Unpack completed.\n"
|
||||
exit
|
||||
# Now run it, passing in the remaining command line arguments
|
||||
# EXAMPLE 1: Unpacking: ./mkboot recovery.img recoveryfolder
|
||||
# EXAMPLE 2: Packing: ./mkboot recoveryfolder recovery.img
|
||||
shift 1
|
||||
exec "${target}/${interp[@]}" "$script" ${buildit}
|
||||
|
||||
427
ARM/wrapper
Executable file
427
ARM/wrapper
Executable file
@@ -0,0 +1,427 @@
|
||||
#!bash
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
#boot.img tool
|
||||
#original author: xiaolu
|
||||
#heavily modified by: Modding.MyMind
|
||||
|
||||
#set -x # for debugging
|
||||
|
||||
trap "clean" 2 3 4
|
||||
workdir=$(pwd)
|
||||
toolpath=$(readlink -f $0)
|
||||
tooldir=$(dirname $toolpath)
|
||||
mkbootimg=$tooldir/mkbootimg
|
||||
mkbootfs=$tooldir/mkbootfs
|
||||
busybox=$(command -v busybox)
|
||||
od=$tooldir/od
|
||||
gzip=$tooldir/gzip
|
||||
lz4=$tooldir/lz4
|
||||
lzop=$tooldir/lzop
|
||||
lzma=$tooldir/lzma
|
||||
xz=$tooldir/xz # Also used for lzma compression
|
||||
grep=$tooldir/grep
|
||||
cpio=$tooldir/cpio
|
||||
magic=$tooldir/magic.mgc
|
||||
file=$tooldir/file
|
||||
old_bootimg=true
|
||||
C_OUT="\033[0;1m"
|
||||
C_ERR="\033[31;1m"
|
||||
C_CAUT="\033[33;1m"
|
||||
C_CLEAR="\033[0;0m"
|
||||
|
||||
pout() {
|
||||
$busybox printf "${C_OUT}${*}${C_CLEAR}\n"
|
||||
}
|
||||
perr() {
|
||||
$busybox printf "${C_ERR}${*}${C_CLEAR}\n"
|
||||
}
|
||||
pcaut() {
|
||||
$busybox printf "${C_CAUT}${*}${C_CLEAR}\n"
|
||||
}
|
||||
clean()
|
||||
{
|
||||
$busybox rm -rf /tmp/mkboot.*
|
||||
#pout "..."
|
||||
exit
|
||||
}
|
||||
|
||||
# Check for busybox
|
||||
if [ -z $busybox ]; then
|
||||
clear; pcaut "Busybox is NOT installed!\nThis may cause issues with the script!\nUse at your own peril or install busybox!"; sleep 2
|
||||
fi
|
||||
|
||||
usage() {
|
||||
pcaut "\n<Unpack and Repack Image Tool>"
|
||||
perr "Not enough parameters or parameter error!\n"
|
||||
pout "Unpack Image & Decompress Ramdisk <Usage>: \n $($busybox basename $0) [image] [output dir]"
|
||||
pout " $($busybox basename $0) boot.img project_folder\n"
|
||||
pout "Repack Image & Compress Ramdisk <Usage>: \n $($busybox basename $0) [unpacked dir] [new image]"
|
||||
pout " $($busybox basename $0) project_folder newboot.img\n"
|
||||
clean
|
||||
}
|
||||
|
||||
print_info() {
|
||||
[[ $boot_magic_addr -gt 0 ]] && pout " boot magic : ANDROID!"
|
||||
[[ $boot_magic_addr -gt 0 ]] && pout " magic address : $boot_magic ($boot_magic_addr)"
|
||||
[ ! -z "$board" ] && pout " board : $board"
|
||||
pout " kernel : $kernel"
|
||||
pout " ramdisk : $ramdisk"
|
||||
pout " page size : $page_size"
|
||||
pout " kernel size : $kernel_size"
|
||||
pout " ramdisk size : $ramdisk_size"
|
||||
[ ! -z $second_size ] && [ $second_size -gt 0 ] && \
|
||||
pout " second size : $second_size"
|
||||
[ $dtb_size -gt 0 ] && pout " dtb size : $dtb_size"
|
||||
if [ ! -z $base_warning ]; then
|
||||
pcaut " base : $base_addr (Non Standard)"
|
||||
else
|
||||
pout " base : $base_addr"
|
||||
fi
|
||||
if [ ! -z $kernel_offset_warning ]; then
|
||||
pcaut " kernel offset : $kernel_offset (Non Standard)"
|
||||
else
|
||||
pout " kernel offset : $kernel_offset"
|
||||
fi
|
||||
if [ ! -z $ramdisk_offset_warning ]; then
|
||||
pcaut " ramdisk offset : $ramdisk_offset (Non Standard)"
|
||||
else
|
||||
pout " ramdisk offset : $ramdisk_offset"
|
||||
fi
|
||||
if [ ! -z $second_offset_warning ]; then
|
||||
[ -z $second_offset ] || pcaut " second offset : $second_offset (Non Standard)"
|
||||
else
|
||||
[ -z $second_offset ] || pout " second offset : $second_offset"
|
||||
fi
|
||||
if [ ! -z $tags_offset_warning ]; then
|
||||
pcaut " tags offset : $tags_offset (Non Standard)"
|
||||
else
|
||||
pout " tags offset : $tags_offset"
|
||||
fi
|
||||
[ $dtb_size -gt 0 ] && pout " dtb offset : $qcdt_offset"
|
||||
[ $dtb_size -gt 0 ] && pout " dtb img : $dt"
|
||||
[ $second_size -gt 0 ] && pout " second img : $second"
|
||||
pout " cmd line : $cmd_line"
|
||||
}
|
||||
|
||||
mkboot_img() {
|
||||
error=0
|
||||
[ $second_size -gt 0 ] && second="--second ${second}"
|
||||
[ $dtb_size -gt 0 ] && dtb="--dt ${dt}"
|
||||
[ ! -z $second_offset ] && second_offset="--second_offset ${second_offset}"
|
||||
[ ! -z "$board" ] && board="--board $board"
|
||||
|
||||
$mkbootimg --kernel $kernel --ramdisk $ramdisk $board \
|
||||
--base $base_addr --ramdisk_offset $ramdisk_offset \
|
||||
--kernel_offset $kernel_offset $second_offset \
|
||||
--tags_offset $tags_offset --cmdline "$cmd_line" \
|
||||
--pagesize $page_size $second $dtb -o $new_img 2>/dev/null || error=1
|
||||
|
||||
[ $error -eq 1 ] && return $error
|
||||
ramdisk_size=$($busybox stat -c "%s" $ramdisk)
|
||||
boot_size=$($busybox stat -c "%s" $new_img)
|
||||
pout "\nKernel size: $kernel_size, new ramdisk size: $ramdisk_size, $($busybox basename $new_img): $boot_size."
|
||||
pout "\n$($busybox basename $new_img) has been created.\n"
|
||||
|
||||
# Check if new build is larger than original
|
||||
# Give caution if it is to insure size is not larger than the partition
|
||||
# A courtesy warning
|
||||
if [[ "$image_size" -lt "$boot_size" ]]; then
|
||||
beefed_up=$(( $boot_size - $image_size ))
|
||||
pcaut "\n****** CAUTION ******* CAUTION ******* CAUTION ******"
|
||||
pout "\n$($busybox basename $new_img) is $beefed_up bytes larger than"
|
||||
pout "the original build! Make sure this new"
|
||||
pout "size is not larger than the actual partition!"
|
||||
pcaut "\n****** CAUTION ******* CAUTION ******* CAUTION ******\n"
|
||||
fi
|
||||
}
|
||||
|
||||
#decide action
|
||||
[ $# -lt 2 ] || [ $# -gt 3 ] && usage
|
||||
if [ $# -eq 2 ] && [ -d $1 ]; then
|
||||
mkboot_from_dir=1
|
||||
elif [ $# -eq 2 ] && [ -s $1 ]; then
|
||||
split_boot_to_dir=1
|
||||
else
|
||||
usage
|
||||
fi
|
||||
|
||||
#mkboot_from_dir, img_info
|
||||
if [ ! -z $mkboot_from_dir ]; then
|
||||
pout "\nmkbootimg from $1/img_info.\n"
|
||||
unpacked_dir=$1
|
||||
new_img=$2
|
||||
cd $unpacked_dir
|
||||
if [ ! -s img_info ]; then
|
||||
perr "Missing img_info file! Can't rebuild $2."
|
||||
clean
|
||||
fi
|
||||
eval $(cat img_info)
|
||||
|
||||
if [ -z $kernel ] || [ -z $ramdisk ] || [ -z $base_addr ]; then
|
||||
perr "Lacking parameters in img_info."
|
||||
clean
|
||||
fi
|
||||
[ -z $second_size ] && second_size=0
|
||||
[ -z $dtb_size ] && dtb_size=0
|
||||
|
||||
if [ -d $ramdisk ]; then
|
||||
compression_type=$($file -m $magic ./ramdisk.* | $busybox cut -d: -f2 | $busybox cut -d" " -f2)
|
||||
case $compression_type in
|
||||
gzip) compression_warning=$compression_type; compression_ext=gzip; compression_repack=$gzip;;
|
||||
XZ) compression_warning=$compression_type; compression_ext=xz; compression_repack="$xz -1 --check=crc32";;
|
||||
LZMA) compression_warning=$compression_type; compression_ext=lzma; compression_repack="$xz --format=lzma";;
|
||||
LZ4) compression_warning=$compression_type; compression_ext=lz4; compression_repack="$lz4 -l -9";;
|
||||
lzop) compression_warning=$compression_type; compression_ext=lzop; compression_repack="$lzop -f -9";;
|
||||
esac;
|
||||
if [ -z $compression_warning ]; then
|
||||
perr "\n****** HAZARD ******* HAZARD ******* HAZARD ******"
|
||||
pout "\nRamdisk is $compression_type format. Can't repack ramdisk."
|
||||
pout "This tool currently does not support $compression_type."
|
||||
perr "\n****** HAZARD ******* HAZARD ******* HAZARD ******\n"
|
||||
exit
|
||||
fi
|
||||
if [ $compression_type != "gzip" ] && [ $compression_type != "LZMA" ] && [ $compression_type != "LZ4" ] && [ $compression_type != "lzop" ] && [ $compression_type != "XZ" ]; then
|
||||
perr "\nRamdisk is unknown format. Can't repack ramdisk."
|
||||
exit 0
|
||||
else
|
||||
# XZ GZIP LZMA LZ4 LZOP
|
||||
$mkbootfs $ramdisk | $compression_repack > new_ramdisk.$compression_ext
|
||||
ramdisk=new_ramdisk.$compression_ext
|
||||
ramdisk_size=$($busybox stat -c "%s" $ramdisk)
|
||||
fi
|
||||
fi
|
||||
#cd $unpacked_dir
|
||||
print_info
|
||||
$busybox rm -f $new_img
|
||||
mkboot_img $new_img || perr "Make $new_img Error! pls check img_info file."
|
||||
#pout "Add SEANDROIDENFORCE tag."
|
||||
#printf SEANDROIDENFORCE >> $new_img
|
||||
$busybox rm -f new_ramdisk.gz
|
||||
clean
|
||||
fi
|
||||
|
||||
#split boot.img to dir.
|
||||
if [ -e $2 ]; then
|
||||
read -p "$2 exists, delete?(N/y)" reply
|
||||
case $reply in
|
||||
y | Y)
|
||||
$busybox rm -rf $2
|
||||
;;
|
||||
*)
|
||||
exit
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
tempdir=$2
|
||||
$busybox mkdir -p "$tempdir"
|
||||
pout "\nUnpack & decompress $1 to $2\n"
|
||||
|
||||
#get boot.img info
|
||||
cp -f $1 $tempdir/
|
||||
cd $tempdir
|
||||
bootimg=$($busybox basename $1)
|
||||
# Find BOOT_MAGIC address in dec and hex
|
||||
boot_magic_addr=$($grep -abo ANDROID! $bootimg | $busybox cut -f 1 -d : | head -1)
|
||||
boot_magic=`printf 0x%08x $boot_magic_addr`
|
||||
# Find standard QCDT address in hex
|
||||
qcdt_addr=$($grep -abo QCDT $bootimg | $busybox cut -f 1 -d : | head -1)
|
||||
if [ ! -z $qcdt_addr ]; then
|
||||
qcdt_addr=`printf 0x%x $qcdt_addr`
|
||||
fi
|
||||
[ -z $boot_magic_addr ] && clean
|
||||
if [ $boot_magic_addr -gt 0 ]; then
|
||||
$busybox dd if=$bootimg of=bootimg bs=$boot_magic_addr skip=1 2>/dev/null
|
||||
bootimg=bootimg
|
||||
fi
|
||||
|
||||
kernel_addr=0x$($od -A n -X -j 12 -N 4 $bootimg | $busybox sed 's/ //g' | $busybox sed 's/^0*//g')
|
||||
ramdisk_addr=0x$($od -A n -X -j 20 -N 4 $bootimg | $busybox sed 's/ //g' | $busybox sed 's/^0*//g')
|
||||
second_addr=0x$($od -A n -X -j 28 -N 4 $bootimg | $busybox sed 's/ //g' | $busybox sed 's/^0*//g')
|
||||
tags_addr=0x$($od -A n -X -j 32 -N 4 $bootimg | $busybox sed 's/ //g' | $busybox sed 's/^0*//g')
|
||||
|
||||
kernel_size=$($od -A n -D -j 8 -N 4 $bootimg | $busybox sed 's/ //g')
|
||||
#base_addr=0x$($od -A n -x -j 14 -N 2 $bootimg | $busybox sed 's/ //g')0000
|
||||
ramdisk_size=$($od -A n -D -j 16 -N 4 $bootimg | $busybox sed 's/ //g')
|
||||
second_size=$($od -A n -D -j 24 -N 4 $bootimg | $busybox sed 's/ //g')
|
||||
page_size=$($od -A n -D -j 36 -N 4 $bootimg | $busybox sed 's/ //g')
|
||||
dtb_size=$($od -A n -D -j 40 -N 4 $bootimg | $busybox sed 's/ //g')
|
||||
#cmd_line=$($od -A n --strings -j 64 -N 512 $bootimg)
|
||||
#board=$($od -A n --strings -j 48 -N 16 $bootimg)
|
||||
cmd_line=$($od -A n -S1 -j 64 -N 512 $bootimg)
|
||||
board=$($od -A n -S1 -j 48 -N 16 $bootimg)
|
||||
|
||||
base_addr=$((kernel_addr-0x00008000))
|
||||
kernel_offset=$((kernel_addr-base_addr))
|
||||
ramdisk_offset=$((ramdisk_addr-base_addr))
|
||||
second_offset=$((second_addr-base_addr))
|
||||
tags_offset=$((tags_addr-base_addr))
|
||||
qcdt_offset=$((qcdt_addr-base_addr))
|
||||
|
||||
base_addr=$(printf "%08x" $base_addr)
|
||||
kernel_offset=$(printf "%08x" $kernel_offset)
|
||||
ramdisk_offset=$(printf "%08x" $ramdisk_offset)
|
||||
second_offset=$(printf "%08x" $second_offset)
|
||||
tags_offset=$(printf "%08x" $tags_offset)
|
||||
qcdt_offset=$(printf "%08x" $qcdt_offset)
|
||||
|
||||
base_addr=0x${base_addr:0-8}
|
||||
kernel_offset=0x${kernel_offset:0-8}
|
||||
ramdisk_offset=0x${ramdisk_offset:0-8}
|
||||
second_offset=0x${second_offset:0-8}
|
||||
tags_offset=0x${tags_offset:0-8}
|
||||
qcdt_offset=0x${qcdt_offset:0-8}
|
||||
|
||||
#########################################################
|
||||
# BELOW SECTION HANDLES NON STANDARD IMAGES
|
||||
|
||||
if [ $base_addr != 0x10000000 ]; then
|
||||
base_warning=$base_addr
|
||||
fi
|
||||
|
||||
if [ $kernel_offset != 0x00008000 ]; then
|
||||
kernel_offset_warning=$kernel_offset
|
||||
fi
|
||||
|
||||
if [ $ramdisk_offset != 0x01000000 ]; then
|
||||
ramdisk_offset_warning=$ramdisk_offset
|
||||
fi
|
||||
|
||||
if [ $second_offset != 0x00f00000 ]; then
|
||||
second_offset_warning=$second_offset
|
||||
fi
|
||||
|
||||
if [ $tags_offset != 0x00000100 ]; then
|
||||
tags_offset_warning=$tags_offset
|
||||
fi
|
||||
|
||||
# Below are the known offsets for non standard mkbootimg.c
|
||||
if [[ ! -z $base_warning ]] || [[ ! -z $kernel_offset_warning ]] || [[ ! -z $ramdisk_offset_warning ]] || [[ ! -z $second_offset_warning ]] || [[ ! -z $tags_offset_warning ]]; then
|
||||
perr "****** WARNING ******* WARNING ******* WARNING ******\n"
|
||||
pout "This image is built using NON-standard mkbootimg!\n"
|
||||
fi
|
||||
if [ ! -z $base_warning ]; then
|
||||
pout "BASE is $base_warning"
|
||||
fi
|
||||
if [ ! -z $kernel_offset_warning ]; then
|
||||
pout "KERNEL_OFFSET is $kernel_offset_warning"
|
||||
fi
|
||||
if [ ! -z $ramdisk_offset_warning ]; then
|
||||
pout "RAMDISK_OFFSET is $ramdisk_offset_warning"
|
||||
fi
|
||||
if [ ! -z $second_offset_warning ]; then
|
||||
pout "SECOND_OFFSET is $second_offset_warning"
|
||||
fi
|
||||
if [ ! -z $tags_offset_warning ]; then
|
||||
pout "TAGS_OFFSET is $tags_offset_warning"
|
||||
fi
|
||||
if [[ ! -z $base_warning ]] || [[ ! -z $kernel_offset_warning ]] || [[ ! -z $ramdisk_offset_warning ]] || [[ ! -z $second_offset_warning ]] || [[ ! -z $tags_offset_warning ]]; then
|
||||
pout "\nYou can modify mkbootimg.c with the above value(s)"
|
||||
perr "\n****** WARNING ******* WARNING ******* WARNING ******\n"
|
||||
fi
|
||||
|
||||
# ABOVE SECTION HANDLES NON STANDARD IMAGES
|
||||
#########################################################
|
||||
|
||||
k_count=$(((kernel_size+page_size-1)/page_size))
|
||||
r_count=$(((ramdisk_size+page_size-1)/page_size))
|
||||
s_count=$(((second_size+page_size-1)/page_size))
|
||||
d_count=$(((dtb_size+page_size-1)/page_size))
|
||||
k_offset=1
|
||||
r_offset=$((k_offset+k_count))
|
||||
s_offset=$((r_offset+r_count))
|
||||
d_offset=$((s_offset+s_count))
|
||||
|
||||
#zImage
|
||||
$busybox dd if=$bootimg of=zImage_tmp bs=$page_size skip=$k_offset count=$k_count 2>/dev/null
|
||||
$busybox dd if=zImage_tmp of=zImage bs=$kernel_size count=1 2>/dev/null
|
||||
|
||||
#ramdisk.gz
|
||||
$busybox dd if=$bootimg of=ramdisk_tmp bs=$page_size skip=$r_offset count=$r_count 2>/dev/null
|
||||
$busybox dd if=ramdisk_tmp of=ramdisk.gz bs=$ramdisk_size count=1 2>/dev/null
|
||||
|
||||
#second image
|
||||
if [ $second_size -gt 0 ]; then
|
||||
$busybox dd if=$bootimg of=second.img_tmp bs=$page_size skip=$s_offset count=$s_count 2>/dev/null
|
||||
$busybox dd if=second.img_tmp of=second.img bs=$second_size count=1 2>/dev/null
|
||||
second="$tempdir/second.img"
|
||||
second=$($busybox basename $second)
|
||||
secondb_name="second=$second"
|
||||
secondb_size="second_size=$second_size"
|
||||
fi
|
||||
|
||||
#dtb
|
||||
if [ $dtb_size -gt 0 ]; then
|
||||
$busybox dd if=$bootimg of=dt.img_tmp bs=$page_size skip=$d_offset count=$d_count 2>/dev/null
|
||||
$busybox dd if=dt.img_tmp of=dt.img bs=$dtb_size count=1 2>/dev/null
|
||||
dt="$tempdir/dt.img"
|
||||
dt=$($busybox basename $dt)
|
||||
dt_name="dt=$dt"
|
||||
dt_size="dtb_size=$dtb_size"
|
||||
fi
|
||||
$busybox rm -f *_tmp $($busybox basename $1) $bootimg
|
||||
|
||||
kernel=zImage
|
||||
ramdisk=ramdisk
|
||||
[ ! -s $kernel ] && clean
|
||||
#print boot.img info
|
||||
print_info
|
||||
|
||||
# Properly escape double quotes
|
||||
# Keep double quotes intact
|
||||
cmd_line=$(echo $cmd_line | sed -e "s/'/'\\\\''/g; 1s/^/'/; \$s/\$/'/")
|
||||
|
||||
#write info to img_info,decompression ramdisk.gz
|
||||
|
||||
[ ! -z "$board" ] && liveboard="board=\"$board\""
|
||||
|
||||
$busybox printf "kernel=zImage\nramdisk=ramdisk\n${secondb_name}\n${dt_name}\npage_size=$page_size\n\
|
||||
kernel_size=$kernel_size\nramdisk_size=$ramdisk_size\n${secondb_size}\n${dt_size}\nbase_addr=$base_addr\nkernel_offset=$kernel_offset\n\
|
||||
ramdisk_offset=$ramdisk_offset\nsecond_offset=$second_offset\ntags_offset=$tags_offset\nqcdt_offset=$qcdt_offset\ncmd_line=$cmd_line\n$liveboard\n" > img_info
|
||||
|
||||
# Include original image size in bytes to img_info
|
||||
image_size=$($busybox stat -c "%s" '../'$1)
|
||||
$busybox printf "image_size=$image_size" >> img_info
|
||||
|
||||
$busybox mkdir ramdisk
|
||||
cd ramdisk
|
||||
|
||||
compression_type=$($file -m $magic ../ramdisk.gz | $busybox cut -d: -f2 | $busybox cut -d" " -f2)
|
||||
compression_warning=$compression_type
|
||||
|
||||
case $compression_type in
|
||||
gzip) compression_type=$gzip; compression_ext=gz;;
|
||||
XZ) compression_type=$xz; compression_ext=xz;;
|
||||
LZMA) compression_type=$lzma; compression_ext=lzma;;
|
||||
LZ4) compression_type=$lz4; compression_ext=lz4;;
|
||||
lzop) compression_type=$lzop; compression_ext=lzop;;
|
||||
esac;
|
||||
|
||||
decomp_ramdisk="$compression_type -d -c"
|
||||
decomp_ramdisk2="$cpio -i -d -m --no-absolute-filenames"
|
||||
|
||||
if [ -z $compression_ext ]; then
|
||||
perr "\n****** HAZARD ******* HAZARD ******* HAZARD ******"
|
||||
pout "\nRamdisk is $compression_warning format. Can't unpack ramdisk."
|
||||
pout "This tool currently does not support $compression_warning."
|
||||
perr "\n****** HAZARD ******* HAZARD ******* HAZARD ******\n"
|
||||
exit
|
||||
fi
|
||||
$busybox mv ../ramdisk.gz ../ramdisk.$compression_ext # This is simply to remind the user if they view the folder afterwards
|
||||
pout "\nRamdisk is $compression_warning format."
|
||||
$decomp_ramdisk "../ramdisk.$compression_ext" | $decomp_ramdisk2 $extra
|
||||
|
||||
#Unpack Finish to exit.
|
||||
pout "Unpack completed.\n"
|
||||
exit
|
||||
Reference in New Issue
Block a user