MYZR-IMX8MM-EK240-8MM android9.0 编译参考手册

i.Mx8mm android9.0编译手册

编译环境搭建

• ubuntu16.04
• openjdk8

依赖包安装

<code class="shell">=> sudo apt-get install uuid uuid-dev
=> sudo apt-get install zlib1g-dev liblz-dev
=> sudo apt-get install liblzo2-2 liblzo2-dev
=> sudo apt-get install lzop
=> sudo apt-get install git-core curl
=> sudo apt-get install u-boot-tools
=> sudo apt-get install mtd-utils
=> sudo apt-get install android-tools-fsutils
=> sudo apt-get install openjdk-8-jdk
=> sudo apt-get install device-tree-compiler
=> sudo apt-get install gdisk
=> sudo apt-get install m4
=> sudo apt-get install libz-dev 
</code>

安装openjdk8

<code class="shell">=> sudo add-apt-repository ppa:openjdk-r/ppa
=> sudo apt-get update
=> sudo apt-get install openjdk-8-jdk
</code>

• 编辑用户目录下的.profile文件中添加下面内容

<code class="shell">=> vim ~/.profile
#在文件未尾添加下面内容
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$PATH:$JRE_HOME/bin
</code>

• 重新加载.profile文件

<code class="shell">=> source ~/.profile
# 查看jdk版本，验证安装
=> java -version
openjdk version "1.8.0_242"
OpenJDK Runtime Environment (build 1.8.0_242-8u242-b08-0ubuntu3~16.04-b08)
OpenJDK 64-Bit Server VM (build 25.242-b08, mixed mode)
</code>

准备源码包

下载源码包

• 到百度网盘MYZR-iMX8-201907/2.2_OS_Android9.1/02_Source目录下载imx8mm_android9.tar.bz2*的所有压缩包

解压源码

<code class="shell">=> cat imx8mm_android9.tar.bz2* | tar zvxf -
</code>

编译

设置环境变量

<code class="shell">=> export ANDROID_HOME=~/imx8mm_android
=> export ARCH=arm64
=> export CROSS_COMPILE=~/imx8mm_android/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin/aarch64-linux-android-
=> source build/envsetup.sh
=> lunch evk_8mm-userdebug
</code>

编译system

• 开始编译

<code class="shell">=> cd $ANDROID_HOME
=> make 2>&1 -j8 | tee build-log.txt
</code>

编译uboot

<code class="shell">=> cd $ANDROID_HOME
=> make bootloader -j8
</code>

编译内核

<code class="shell">=> cd $ANDROID_HOME
=> cd vendor/nxp-opensource/kernel_imx
=> make myzr_imx8mm_android_defconfig
=> make KCFLAGS=-mno-android -j8
</code>

编译bootimage

<code class="shell">=> cd $ANDROID_HOME
=> make bootimage -j8
</code>

编译dtboimage

<code class="shell">=> cd $ANDROID_HOME
=> make dtboimage -j8
</code>

目标文件

<code class="shell">=> cd $ANDROID_HOME
=> cd out/target/product/evk_8mm
# 下面是我们需要的文件
# boot.img
# dtbo-imx8mm.img
# system.img
# partition-table.img
# u-boot-imx8mm.imx
# u-boot-imx8mm-evk-uuu.imx
# vbmeta-imx8mm.img
# vendor.img
</code>