本文共 5994 字，大约阅读时间需要 19 分钟。

00. 目录

01. 编译内核

1.1 解压内核源码

[root@itcast tools]# tar -xjvf linux-3.5_analyse.tar.bz2

1.2 配置内核

[root@itcast linux-3.5_analyse]# make clean [root@itcast linux-3.5_analyse]# cp tiny4412_android_defconfig .config[root@itcast linux-3.5_analyse]#

1.3 关闭TtrustZone

[root@itcast linux-3.5_analyse]# vim .config +485注释485行485 #CONFIG_ARM_TRUSTZONE is not set #=y

1.4 编译源码

[root@itcast linux-3.5_analyse]# make -j4.....  CC      crypto/ansi_cprng.mod.o  CC      drivers/scsi/scsi_wait_scan.mod.o  CC      drivers/char/tiny4412_hello_module.mod.o  Kernel: arch/arm/boot/Image is ready  AS      arch/arm/boot/compressed/head.o  GZIP    arch/arm/boot/compressed/piggy.gzip  CC      arch/arm/boot/compressed/misc.o  LD [M]  drivers/char/tiny4412_hello_module.ko  LD [M]  crypto/ansi_cprng.ko  CC      arch/arm/boot/compressed/decompress.o  LD [M]  drivers/scsi/scsi_wait_scan.ko  CC      arch/arm/boot/compressed/string.o  SHIPPED arch/arm/boot/compressed/lib1funcs.S  SHIPPED arch/arm/boot/compressed/ashldi3.S  AS      arch/arm/boot/compressed/lib1funcs.o  AS      arch/arm/boot/compressed/ashldi3.o  AS      arch/arm/boot/compressed/piggy.gzip.o  LD      arch/arm/boot/compressed/vmlinux  OBJCOPY arch/arm/boot/zImage  Kernel: arch/arm/boot/zImage is ready

02. 安装dnw工具

2.1 解压dnw工具

[root@itcast tools]# tar -xzvf dnw-linux.tar.gz

2.2 编译

[root@itcast tools]# cd dnw-linux[root@itcast dnw-linux]# make

2.3 安装

[root@itcast dnw-linux]# make installmake -C /lib/modules/`uname -r`/build M=`pwd`/src/driver modulesmake[1]: Entering directory `/usr/src/kernels/2.6.32-431.el6.x86_64'  Building modules, stage 2.  MODPOST 1 modulesmake[1]: Leaving directory `/usr/src/kernels/2.6.32-431.el6.x86_64'make -C src/dnwmake[1]: Entering directory `/home/tools/dnw-linux/src/dnw'make[1]: “dnw”是最新的。make[1]: Leaving directory `/home/tools/dnw-linux/src/dnw'make -C src/dnw installmake[1]: Entering directory `/home/tools/dnw-linux/src/dnw'cp dnw /usr/binmake[1]: Leaving directory `/home/tools/dnw-linux/src/dnw'make -C /lib/modules/`uname -r`/build M=`pwd`/src/driver modules_installmake[1]: Entering directory `/usr/src/kernels/2.6.32-431.el6.x86_64'  INSTALL /home/tools/dnw-linux/src/driver/secbulk.ko  DEPMOD  2.6.32-431.el6.x86_64make[1]: Leaving directory `/usr/src/kernels/2.6.32-431.el6.x86_64'cp dnw.rules /etc/udev/rules.d/depmod[root@itcast dnw-linux]#

2.4 测试

[root@itcast dnw-linux]# dnwUsage: dwn [-a load_addr] 
   
    Default load address: 0x57e00000[root@itcast dnw-linux]#
   

03. 安装Android_tools

3.1 解压

[root@itcast tools]# tar -xzvf android_tools.tgz usr/local/bin/fastbootusr/local/bin/adbusr/local/bin/minigzipusr/local/bin/mkbootfsusr/local/bin/mkimage[root@itcast tools]#

3.2 将可执行文件拷贝到/usr/local/bin目录中

[root@itcast tools]# cd usr/local/bin/[root@itcast bin]# lsadb  fastboot  minigzip  mkbootfs  mkimage[root@itcast bin]# cp * /usr/local/bin/[root@itcast bin]#

04. 烧写Android系统

4.1 查看分区

# minicom端DengJin # fdisk -p 0partion #    size(MB)     block start #    block count    partition_Id DengJin #

4.2 分区

# minicomDengJin # fdisk -c 0 320 806 518fdisk is completedpartion #    size(MB)     block start #    block count    partition_Id    1          5788          3521760        11855580          0x0C    2           326           136620          667920          0x83    3           807           804540         1654620          0x83    4           518          2459160         1062600          0x83 DengJin #

4.3 格式化分区

# minicomDengJin # fatformat mmc 0:1Start format MMC&d partition&d ...Partition1: Start Address(0x35bce0), Size(0xb4e6dc)size checking ...Under 8Gwrite FAT info: 32Fat size : 0x2d39Erase FAT region................................................................................Partition1 format complete.DengJin #

4.4 烧写Android镜像

images\Superboot4412.bin        Bootloaderimages\Android\zImage           Android 内核images\Android\ramdisk-u.img    Android 根分区映象images\Android\system.img       Andorid 系统分区映象image\Android\userdata.img      Andorid Data 分区映象images\FriendlyARM.ini          系统烧写配置文件

# 在minicom中:DengJin #fastboot

烧写内核

[root@itcast boot]# pwd/home/tools/linux-3.5_analyse/arch/arm/boot[root@itcast boot]# lsbootp  compressed  dts  Image  install.sh  Makefile  zImage[root@itcast boot]# fastboot flash kernel zImage sending 'kernel' (4293 KB)...OKAY [  1.078s]writing 'kernel'...OKAY [  0.376s]finished. total time: 1.530s[root@itcast boot]#

格式化data分区和cache分区

[root@itcast boot]# fastboot -werasing 'userdata'...OKAY [  9.364s]formatting 'userdata' partition...Erase successful, but not automatically formatting.File system type  not supported.OKAY [  0.006s]erasing 'cache'...OKAY [  6.982s]formatting 'cache' partition...Erase successful, but not automatically formatting.File system type  not supported.OKAY [  0.006s]finished. total time: 16.357s[root@itcast boot]#

烧写根分区映像

[root@itcast Android]# fastboot flash ramdisk  ramdisk-u.img sending 'ramdisk' (703 KB)...OKAY [  0.185s]writing 'ramdisk'...OKAY [  0.055s]finished. total time: 0.239s[root@itcast Android]#

烧写系统分区

[root@itcast Android]# fastboot flash system system.img # 烧写时间比较长，大约需要几分钟。

设置启动参数

DengJin # set bootargs console=ttySAC0,115200n8 androidboot.console=ttySAC0 lcd=S70 ctp=2DengJin # saveSaving Environment to SMDK bootable device...doneDengJin # reset

uboot启动设置参数显示如下:

DengJin # printenvbaudrate=115200bootargs=console=ttySAC0,115200n8 androidboot.console=ttySAC0 lcd=S70 ctp=2bootcmd=movi read kernel 0 40008000;movi read rootfs 0 41000000 400000;bootm 40008000 41000000bootdelay=3ethaddr=00:40:5c:26:0a:5bgatewayip=192.168.0.1ipaddr=192.168.0.20netmask=255.255.255.0serverip=192.168.0.10Environment size: 705/16380 bytesDengJin #

等会Android系统就启动了。

05. 问题解决

6.1 问题一：fastboot执行失败，动态库找不到

[root@itcast bin]# fastbootfastboot: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory

解决办法

[root@itcast bin]# yum install libstdc++.i686

06. 附录

6.1 Linux内核

6.2 dnw工具

6.3 Android Tools

6.4 Android镜像

6.5 Android4.2.2.rar(镜像文件)

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