几种解包/打包启动镜像boot.img的方法(bootimg.exe,unpackbootimg, unmkbootimg,split |
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几种解包/打包启动镜像boot.img的方法(bootimg.exe,unpackbootimg, unmkbootimg,split
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这几种方法都适用于android的boot.img解/打包 几个重要的打包时用到的参数： basecmdlinepage_sizepadding_size 一、bootimg.exe（推荐）用法说明： C:\tmp\mstar-bin-tool-master\unpacked\ee\ramdisk2>bootimg.exe -h bootimg: Modified:[email protected] supported arguments: --add-head --cml --cpio-list --czlib --dml --dzlib --remove-head --repack-565 --repack-bootimg --repack-ramdisk --repack-rle --repack-zte-bin --rml --to-ext4 --to-img --uml --unpack-565 --unpack-bootimg --unpack-qsb --unpack-ramdisk --unpack-rle --unpack-updata --unpack-yafffs --unpack-yaffs --unpack-yaffs2 --unpack-zte-bin解包： 命令: bootimg.exe --unpack-bootimg 将boot.img与bootimg.exe置于同一目录下 如果要解包recovery.img，则先将recovery.img更名为boot.img C:\tmp\mstar-bin-tool-master\unpacked\ee\ramdisk2>bootimg.exe --unpack-bootimg arguments: [bootimg file] bootimg file: boot.img output: kernel[.gz] ramdisk[.gz] second[.gz] base: 0x10000000 ramdisk_addr: 0x11000000 second_addr: 0x10f00000 tags_addr: 0x10000100 page_size: 2048 name: "27" cmdline: "product.version=PD1304BT_A_1.10.0" padding_size=2048 arguments: [ramdisk file] [directory] ramdisk file: ramdisk directory: initrd output: cpiolist.txt Found mtk magic, skip header. Found header name ROOTFS compress: True共生产了4个新的文件或文件夹： bootinfo.txt, kernel, initrd, cpiolist.txt, ramdisk 其中initrd和cpiolist.txt是ramdisk解包/解压后得到的 （把initrd和cpiolist.txt先用cpio备份，然后gzip压缩得到ramdisk） 结果： 先在github或gitee上下载源码，然后linux下编译（make） 用法说明 ： usage: unpackbootimg -i|--input boot.img [ -o|--output output_directory] [ -p|--pagesize ]解包： 命令：…/unpackbootimg -i ./boot-andr.img biren@ubuntu:~/Downloads/android-unpackbootimg/jwj$ ../unpackbootimg -i ./boot-andr.img BOARD_KERNEL_CMDLINE product.version=PD1304BT_A_1.10.0 BOARD_KERNEL_BASE 10000000 BOARD_NAME 27 BOARD_PAGE_SIZE 2048 BOARD_HASH_TYPE sha1 BOARD_KERNEL_OFFSET 00008000 BOARD_RAMDISK_OFFSET 01000000 BOARD_SECOND_OFFSET 00f00000 BOARD_TAGS_OFFSET 00000100解包后的文件： $ ls boot-andr.img boot-andr.img-kerneloff boot-andr.img-tagsoff boot-andr.img-base boot-andr.img-pagesize boot-andr.img-zImage boot-andr.img-board boot-andr.img-ramdisk.gz boot-andr.img-cmdline boot-andr.img-ramdiskoff boot-andr.img-hash boot-andr.img-secondoff打包： 用mkbootimg,与下同。 三、unmkbootimg先在github或gitee上下载源码，然后linux下编译（make） 用法说明： Usage: ./bin/unmkbootimg [OPTIONS] Extracts the kernel, ramdisk, and second-stage bootloader from the provided Android boot image, and outputs them to the same directory. Furthermore, this also creates a remake script that recombines these extracted images into newboot.img, by running mkbootimg with the parameters extracted from the original image header of src. OPTIONS: : The source Android boot image file to extract from. -d : Output extracted images here instead. -v: Verbose. -i: Print header information only, then exit. -r : Save the remake script using this filename instead. -m : Use this command in the remake script for mkbootimg instead. -n : Direct the remake script to output the remade boot image using this filename instead, rather than newboot.img.解包： 命令：unmkbootimg ./boot-andr.img android-unmkbootimg-master/jwj$ ../bin/unmkbootimg ./boot-andr.img注意：被解包的boot-andr.img前一定要有**./（点和斜杠）** 否则会出现如下错误 ： android-unmkbootimg-master/jwj$ ../bin/unmkbootimg boot-andr.img Error in changeDir(): Failed to create directory "". No such file or directory解包后文件： biren@ubuntu:~/Downloads/android-unmkbootimg-master/jwj$ ls -l total 14436 -rwxrw-rw- 1 biren biren 6291456 Dec 3 2014 boot-andr.img -rw-rw-r-- 1 biren biren 4113352 May 18 20:26 kernel.img -rw-rw-r-- 1 biren biren 682322 May 18 20:26 ramdisk.img -rwxr-x--- 1 biren biren 370 May 18 20:26 remkbootimg.shremkbootimg.sh内容： #!/bin/sh mkbootimg \ --kernel "kernel.img" \ --ramdisk "ramdisk.img" \ --cmdline "product.version=PD1304BT_A_1.10.0"\ --base 0 \ --kernel_offset 0x10008000 \ --ramdisk_offset 0x11000000 \ --second_offset 0x10f00000 \ --os_version "0.0.0" \ --os_patch_level "2000-00-01" \ --tags_offset 0x10000100 \ --board "27" \ --pagesize 0x800 \ --output "newboot.img"其中的base地址与上面的不一样，据说不指定base好像也没问题。 四、解包split_bootimg.pl, 打包mkbootimg解包： 命令：./split_bootimg.pl boot.img $ ls boot.img mkbootfs mkbootimg split_bootimg.pl $ ./split_bootimg.pl boot.img Page size: 2048 (0x00000800) Kernel size: 4113352 (0x003ec3c8) Ramdisk size: 682322 (0x000a6952) Second size: 0 (0x00000000) Board name: 27 Command line: product.version=PD1304BT_A_1.10.0 Writing boot.img-kernel ... complete. Writing boot.img-ramdisk.gz ... complete.多了2个文件：boot.img-kernel ， boot.img-ramdisk.gz 打包： mkbootimg用法说明 ： biren@ubuntu:~/downloads$ ./mkbootimg --help usage: mkbootimg --kernel --ramdisk [ --second ] [ --cmdline ] [ --board ] [ --base ] [ --pagesize ] [ --ramdisk_offset ] [ --dt ] -o|--output命令：mkbootimg --kernel boot.img-kernel --ramdisk newramdisk.gz -o boot-new.img $ ./mkbootimg --kernel boot.img-kernel --ramdisk boot.img-ramdisk.gz --cmdline "product.version=PD1304BT_A_1.10.0" --base 0x10000000 --pagesize 2048 -o boot-new.img 五、abootimg（推荐）先安装2个包：build-essential abootimg $ sudo apt-get install build-essential abootimg用法说明： $ abootimg -h abootimg - manipulate Android Boot Images. (c) 2010-2011 Gilles Grandou 0.6 abootimg [-h] print usage abootimg -i print boot image information abootimg -x [ [ [ []]]] extract objects from boot image: - config file (default name bootimg.cfg) - kernel image (default name zImage) - ramdisk image (default name initrd.img) - second stage image (default name stage2.img) abootimg -u [-c "param=value"] [-f ] [-k ] [-r ] [-s ] update a current boot image with objects given in command line - header informations given in arguments (several can be provided) - header informations given in config file - kernel image - ramdisk image - second stage image bootimg has to be valid Android Boot Image, or the update will abort. abootimg --create [-c "param=value"] [-f ] -k -r [-s ] create a new image from scratch. if the boot image file is a block device, sanity check will be performed to avoid overwriting a existing filesystem. argurments are the same than for -u. kernel and ramdisk are mandatory.查boot.img配置信息： $ abootimg -i boot-andr.img Android Boot Image Info: * file name = boot-andr.img * image size = 6291456 bytes (6.00 MB) page size = 2048 bytes * Boot Name = "27" * kernel size = 4113352 bytes (3.92 MB) ramdisk size = 682322 bytes (0.65 MB) * load addresses: kernel: 0x10008000 ramdisk: 0x11000000 tags: 0x10000100 * cmdline = product.version=PD1304BT_A_1.10.0 * id = 0xac3936a1 0xba4262b4 0x71b59f89 0xdee58c3a 0x2ce40488 0x00000000 0x00000000 0x00000000当然这些信息在解包后的bootimg.cfg文件中也有 解包： 命令：abootimg -x boot-andr.img $ abootimg -x boot-andr.img writing boot image config in bootimg.cfg extracting kernel in zImage extracting ramdisk in initrd.img这里的zlmage是kernel initrd.img是ramdisk 打包： 命令：abootimg --create … $ abootimg --create newboot.img -f bootimg.cfg -k zImage -r initrd.img |
修改： 通常修改权限时修改default.prop 、init.rc即可 （ro.secure=0 ，ro.debuggable=1 ） 我们在initrd目录下增加一个测试文件jwjtest.txt 
修改cpiolist.txt: 在最后加入一行：file jwjtest.txt initrd/jwjtest.txt 0750 
打包： 命令格式 bootimg --repack-bootimg base cmdline page_size padding_size 命令： bootimg --repack-bootimg 0x10000000 “product.version=PD1304BT_A_1.10.0” 2048 2048
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