• Android 解压boot.img


    其实解压、打包boot.img没什么难度一看就会咯!!
       1.先下附件:工具。 点击打开链接 6.0 KB, 下载次数: 60)      解压到bin文件夹里,方便以后使用。
       2.解压boot.img文件
         去到boot.img所在的文件夹,输入下面的命令:

    split.pl boot.img         

           Page size: 2048 (0x00000800)
            Kernel size: 2240184 (0x00222eb8)
            Ramdisk size: 221504 (0x00036140)
            Second size: 0 (0x00000000) 
            Board name:
            Command line:androidboot.hardware=blade console=null g_android.product_id=0x1354 g_android.serial_number=Blade-CM7
            Writing boot.img-kernel ... complete.
            Writing boot.img-ramdisk.gz ... complete.
            完了之后,你就会发现多了boot.img-kernel 和 boot.img-ramdisk.gz文件,这就是解压出来的boot.img,其中boot.img-kernel 就是内核,boot.img-ramdisk.gz就是ramdisk。
        
           3.打包boot.img文件

                 在替换和内核后,就要对boot.img打包了!!下是代码:

    mkbootimg --cmdline 'androidboot.hardware=blade console=null g_android.product_id=0x1354 g_android.serial_number=Blade-CM7'  --kernel boot.img-kernel --ramdisk boot.img-ramdisk.gz -o new.img

                 命令中-cmdline‘xxx’,xxx就是解压boot.img是Command line:xxx

    new.img文件就是你修改后的boot.img文件了。改个名字替换到ROM里面就可以了。!!

                 new.img文件就是你修改后的boot.img文件了。改个名字替换到ROM里面就可以了。!!

     

     

    # ./split_bootimg.pl boot.img  Page size: 2048 (0x00000800) Kernel size: 1388548 (0x00153004) Ramdisk size: 141518 (0x000228ce) Second size: 0 (0x00000000) Board name:  Command line: no_console_suspend=1 Writing boot.img-kernel ... complete. Writing boot.img-ramdisk.gz ... complete.
    Extract the ramdisk.
    # mkdir ramdisk # cd ramdisk # gzip -dc ../*-ramdisk.gz | cpio -i # cd ..
    Make any changes necessary (e.g., set ro.secure=0 in default.prop).
    Recreate the cpio archive using the mkbootfs binary produced from building the Android source code (The cpio utility in OS X does not recognize the newc format, therefore mkbootfs is the best option for OS X users).
    # mkbootfs ./ramdisk | gzip > ramdisk-new.gz
    Recreate the image file using the mkbootimg binary produced from building the Android source code.
    # mkbootimg --cmdline 'no_console_suspend=1 console=null' --kernel boot.img-kernel --ramdisk ramdisk-new.gz -o boot-new.img --base 0x20000000

     

    =======================================================================

    Make any changes necessary (e.g., set ro.secure=0 in default.prop).
    Recreate the cpio archive using the mkbootfs binary produced from building the Android source code (The cpio utility in OS X does not recognize the newc format, therefore mkbootfs is the best option for OS X users).
    # mkbootfs ./ramdisk | gzip > ramdisk-new.gz
    Recreate the image file using the mkbootimg binary produced from building the Android source code.
    # mkbootimg --cmdline 'no_console_suspend=1 console=null' --kernel boot.img-kernel --ramdisk ramdisk-new.gz -o boot-new.img --base 0x20000000

     

    打包ramdisk.img :  find . |cpio -ov -H newc |gzip > ../ramdisk.img

     

    http://blog.csdn.net/tody_guo/article/details/7515151

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  • 原文地址:https://www.cnblogs.com/hoys/p/3506452.html
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