查看“MYZR-IMX8M-CB300 Android-9.1 编译手册”的源代码

=安装ubuntu16.04=
(如果使用下载明远智睿的虚拟机，请直接跳到 下载源码并解压 这一节)<br>
在这里建议用户使用64bit的ubuntu16.04的操作系统，已经真机编译验证过。<br>

=安装openjdk8=
===依赖包安装===
<pre>
=> 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
</pre>

===安装openjdk8===
<pre>
=> sudo add-apt-repository ppa:openjdk-r/ppa
=> sudo apt-get update
=> sudo apt-get install openjdk-8-jdk
</pre>
**编辑用户目录下的.profile文件中添加下面内容**
<pre>
=> 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
</pre>
**重新加载.profile文件**
<pre>
=> 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)
</pre>

=下载源码并解压源码=
==下载源码==
**到百度网盘MYZR-iMX8-201907/2.2_OS_Android9.1/02_Source目录下载<br>
imx8mq_android9.tar.bz2*的所有压缩包**

==解压源码==
<pre>
=> cat imx8mq_android9.tar.bz2* | tar zvxf
</pre>
==修改源码==
<pre>
vi ~/imx8mq-anroid9/imx8mq_android9/vendor/nxp-opensource/imx-mkimage/Makefile
- @echo -n '#define MKIMAGE_COMMIT 0x2020' > src/build_info.h
- @git rev-parse --short=8 HEAD >> src/build_info.h
+ @echo -n '#define MKIMAGE_COMMIT 0x2020' > src/build_info.h
+ #@git rev-parse --short=8 HEAD >> src/build_info.h
</pre>
=编译源码（Android系统）=
==设置环境变量==
<pre>
=> export ANDROID_HOME=~/imx8mq_android9
=> export ARCH=arm64
=> export CROSS_COMPILE=~/imx8mq_android9/prebuilts/gcc/linuxx86/aarch64/aarch64-linux-android-4.9/bin/aarch64-linux-android-
=> source build/envsetup.sh
=> lunch evk_8mq-userdebug
</pre>

==编译system==
**选择编译imx8mq-ek300**
<pre>
=> cd $ANDROID_HOME
=> vim device/fsl/imx8m/evk_8mq/BoardConfig.mk
#修改下面的内容
#TARGET_BOARD_DTS_CONFIG ?= imx8mq:myimx8mq-evk.dtb
TARGET_BOARD_DTS_CONFIG += imx8mq:myimx8mq-ek300.dtb
#TARGET_BOOTLOADER_CONFIG += imx8mq:myimx8mevk-8mq-android_defconfig
#TARGET_BOOTLOADER_CONFIG += imx8mq-evk-uuu:myimx8mevk-8mq-android-uuu_defconfig
#TARGET_BOOTLOADER_CONFIG += imx8mq:myimx8mevk-8mq-android-3G_defconfig
#TARGET_BOOTLOADER_CONFIG += imx8mq-evk-uuu:myimx8mevk-8mq-android-3Guuu_defconfig
#TARGET_BOOTLOADER_CONFIG += imx8mq:myimx8mevk-8mq-android-4G_defconfig
#TARGET_BOOTLOADER_CONFIG += imx8mq-evk-uuu:myimx8mevk-8mq-android-4Guuu_defconfig
TARGET_BOOTLOADER_CONFIG += imx8mq:myimx8mek300-8mq-android_defconfig
TARGET_BOOTLOADER_CONFIG += imx8mq-evk-uuu:myimx8mek300-8mq-androiduuu_defconfig
#TARGET_BOOTLOADER_CONFIG += imx8mq:myimx8mek300-8mq-android-3G_defconfig
#TARGET_BOOTLOADER_CONFIG += imx8mq-evk-uuu:myimx8mek300-8mq-android-3Guuu_defconfig
#TARGET_BOOTLOADER_CONFIG += imx8mq:myimx8mek300-8mq-android-4G_defconfig
#TARGET_BOOTLOADER_CONFIG += imx8mq-evk-uuu:myimx8mek300-8mq-android-4Guuu_defconfig
</pre>
**开始编译**
<pre>
=> cd $ANDROID_HOME
=> make 2>&1 -j8 | tee build-log.txt
</pre>

==编译uboot==
<pre>
=> cd $ANDROID_HOME
=> make bootloader -j8
</pre>

==编译kernel==
<pre>
=> cd $ANDROID_HOME
=> cd vendor/nxp-opensource/kernel_imx
=> make myzr_android_defconfig
=> make KCFLAGS=-mno-android -j8
</pre>

==编译bootimage==
<pre>
=> cd $ANDROID_HOME
=> make bootimage -j8
</pre>

==编译dtboimage==
**myimx8mq-ek300 hdmi输出**
<pre>
=> cd $ANDROID_HOME
=> cd vendor/nxp-opensource/kernel_imx/arch/arm64/boot/dts/myzr
=> vim myimx8mq-ek300.dts
/* touch */
/*#include "myimx8mq-ftxx.dtsi"*/
/*#include "myimx8mq-gt9xx.dtsi"*/
/* dsi */
#include "myimx8mq-hdmi.dtsi"
/*#include "myimx8mq-dcss-hj1010.dtsi"*/
/*#include "myimx8mq-dcss-khd156.dtsi"*/
/*#include "myimx8mq-dcss-bi3103s.dtsi"*/
</pre>
**myimx8mq-ek300 mipi输出**
<pre>
=> cd $ANDROID_HOME
=> cd vendor/nxp-opensource/kernel_imx/arch/arm64/boot/dts/myzr
=> vim myimx8mq-ek300.dts
/* touch */
#include "myimx8mq-ftxx.dtsi"
/*#include "myimx8mq-gt9xx.dtsi"*/
/* dsi */
/*#include "myimx8mq-hdmi.dtsi"*/
#include "myimx8mq-dcss-hj1010.dtsi"
/*#include "myimx8mq-dcss-khd156.dtsi"*/
/*#include "myimx8mq-dcss-bi3103s.dtsi"*/
</pre>  

**开始编译**
<pre>
=> cd $ANDROID_HOME
=> make dtboimage -j8
</pre>

==目标文件==
<pre>
=> cd $ANDROID_HOME
=> cd out/target/product/evk_8mq
# 下面是我们需要的文件
# boot.img
# dtbo-imx8mq.img
# system.img
# u-boot-imx8mq.imx
# u-boot-imx8mq-evk-uuu.imx
# vbmeta-imx8mq.img
# vendor.img
</pre>