编译手册
准备编译环境
安装依赖包
# =====> Input:
sudo apt install libssh-dev
安装 gcc-linaro 交叉编译工具
准备交叉编译工具文件
可以网盘下载或在线下载。
网盘下载方式：
在网盘下载“gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.tar.xz”后，把文件传输到 x86_64 Linux 主机中。
在线下载方式：
# =====> Input:
wget https://releases.linaro.org/components/toolchain/binaries/7.5-2019.12/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.tar.xz
执行安装
# =====> Input:
# 创建安装目录
mkdir ~/work/toolchain/gcc-linaro -p
# 安装指令
tar xf gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.tar.xz -C ~/work/toolchain/gcc-linaro
创建交叉编译工具配置文件
# =====> Input:
# 创建配置文件
cat << EOF > ~/work/toolchain/gcc-linaro/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.env
#!/bin/sh
export PATH=${HOME}/work/toolchain/gcc-linaro/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin:${PATH}
export ARCH=arm64
export CROSS_COMPILE=aarch64-linux-gnu-
EOF
# 配置可执行权限
chmod +x ~/work/toolchain/gcc-linaro/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.env
配置工具环境变量
# =====> Input:
source ~/work/toolchain/gcc-linaro/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.env
检查安装
# =====> Input:
${CROSS_COMPILE}gcc -v
工具信息
使用内建 specs。
COLLECT_GCC=aarch64-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/home/tangbin/work/toolchain/gcc-linaro/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/../libexec/gcc/aarch64-linux-gnu/7.5.0/lto-wrapper
目标：aarch64-linux-gnu
配置为：'/home/tcwg-buildslave/workspace/tcwg-make-release_0/snapshots/gcc.git~linaro-7.5-2019.12/configure' SHELL=/bin/bash --with-mpc=/home/tcwg-buildslave/workspace/tcwg-make-release_0/_build/builds/destdir/x86_64-unknown-linux-gnu --with-mpfr=/home/tcwg-buildslave/workspace/tcwg-make-release_0/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gmp=/home/tcwg-buildslave/workspace/tcwg-make-release_0/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gnu-as --with-gnu-ld --disable-libmudflap --enable-lto --enable-shared --without-included-gettext --enable-nls --with-system-zlib --disable-sjlj-exceptions --enable-gnu-unique-object --enable-linker-build-id --disable-libstdcxx-pch --enable-c99 --enable-clocale=gnu --enable-libstdcxx-debug --enable-long-long --with-cloog=no --with-ppl=no --with-isl=no --disable-multilib --enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --with-arch=armv8-a --enable-threads=posix --enable-multiarch --enable-libstdcxx-time=yes --enable-gnu-indirect-function --with-build-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release_0/_build/sysroots/aarch64-linux-gnu --with-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release_0/_build/builds/destdir/x86_64-unknown-linux-gnu/aarch64-linux-gnu/libc --enable-checking=release --disable-bootstrap --enable-languages=c,c++,fortran,lto --build=x86_64-unknown-linux-gnu --host=x86_64-unknown-linux-gnu --target=aarch64-linux-gnu --prefix=/home/tcwg-buildslave/workspace/tcwg-make-release_0/_build/builds/destdir/x86_64-unknown-linux-gnu
线程模型：posix
gcc 版本 7.5.0 (Linaro GCC 7.5-2019.12)
安装 QT5 SDK
准备交叉编译工具文件
在网盘下载 “fsl-imx-xwayland-glibc-x86_64-imx-image-full-cortexa53-crypto-imx8mp-ddr4-evk-toolchain-5.10-hardknott.sh” 后，把文件传输到 x86_64 Linux 主机中。
执行安装指令
# =====> Input:
./fsl-imx-xwayland-glibc-x86_64-imx-image-full-cortexa53-crypto-imx8mp-ddr4-evk-toolchain-5.10-hardknott.sh
选择安装路径
出现下面信息时按下 Enter 即可（保持默认安装路径）
NXP i.MX Release Distro SDK installer version 5.10-hardknott
============================================================
Enter target directory for SDK (default: /opt/fsl-imx-xwayland/5.10-hardknott):
确认安装路径
出现下面信息时按下 Enter 即可（保持默认选项）
You are about to install the SDK to "/opt/fsl-imx-xwayland/5.10-hardknott". Proceed [Y/n]
等待安装
安装过程可能需要数分钟，安装过程可以看到的信息类似如下：
Extracting SDK...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................done
Setting it up...done
SDK has been successfully set up and is ready to be used.
Each time you wish to use the SDK in a new shell session, you need to source the environment setup script e.g.
$ . /opt/fsl-imx-xwayland/5.10-hardknott/environment-setup-cortexa53-crypto-poky-linux
配置工具环境变量
# =====> Input:
. /opt/fsl-imx-xwayland/5.10-hardknott/environment-setup-cortexa53-crypto-poky-linux
检查安装
# =====> Input:
${CROSS_COMPILE}gcc -v
工具信息
Using built-in specs.
COLLECT_GCC=aarch64-poky-linux-gcc
COLLECT_LTO_WRAPPER=/opt/fsl-imx-xwayland/5.10-hardknott/sysroots/x86_64-pokysdk-linux/usr/libexec/aarch64-poky-linux/gcc/aarch64-poky-linux/10.2.0/lto-wrapper
Target: aarch64-poky-linux
Configured with: ../../../../../../work-shared/gcc-10.2.0-r0/gcc-10.2.0/configure --build=x86_64-linux --host=x86_64-pokysdk-linux --target=aarch64-poky-linux --prefix=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr --exec_prefix=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr --bindir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux --sbindir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux --libexecdir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr/libexec/aarch64-poky-linux --datadir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr/share --sysconfdir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/etc --sharedstatedir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/com --localstatedir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/var --libdir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr/lib/aarch64-poky-linux --includedir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr/include --oldincludedir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr/include --infodir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr/share/info --mandir=/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/usr/share/man --disable-silent-rules --disable-dependency-tracking --with-libtool-sysroot=/home/HDWD110/yocto/imx-5.10.72-2.2.2-20220712/build--fsl-imx-xwayland/tmp/work/x86_64-nativesdk-pokysdk-linux/gcc-cross-canadian-aarch64/10.2.0-r0/recipe-sysroot --with-gnu-ld --enable-shared --enable-languages=c,c++ --enable-threads=posix --enable-multilib --enable-default-pie --enable-c99 --enable-long-long --enable-symvers=gnu --enable-libstdcxx-pch --program-prefix=aarch64-poky-linux- --without-local-prefix --disable-install-libiberty --disable-libssp --enable-libitm --enable-lto --disable-bootstrap --with-system-zlib --with-linker-hash-style=gnu --enable-linker-build-id --with-ppl=no --with-cloog=no --enable-checking=release --enable-cheaders=c_global --without-isl --with-gxx-include-dir=/not/exist/usr/include/c++/10.2.0 --with-build-time-tools=/home/HDWD110/yocto/imx-5.10.72-2.2.2-20220712/build--fsl-imx-xwayland/tmp/work/x86_64-nativesdk-pokysdk-linux/gcc-cross-canadian-aarch64/10.2.0-r0/recipe-sysroot-native/usr/aarch64-poky-linux/bin --with-sysroot=/not/exist --with-build-sysroot=/home/HDWD110/yocto/imx-5.10.72-2.2.2-20220712/build--fsl-imx-xwayland/tmp/work/x86_64-nativesdk-pokysdk-linux/gcc-cross-canadian-aarch64/10.2.0-r0/recipe-sysroot --enable-poison-system-directories --disable-static --enable-nls --with-glibc-version=2.28 --enable-initfini-array --enable-__cxa_atexit
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 10.2.0 (GCC)
编译 Boot 文件
编译 U-Boot 文件
准备 U-Boot 源码包文件
① 打开网盘到 “3.2_OS_Linux-5.10.72 -> 02_source”，下载 “uboot-2021.04*.tar.bz2”。
② 把文件 “uboot-2021.04*.tar.bz2” 传输到 x86_64 Linux 主机中。
解压源码包
# =====> Input:
tar xf uboot-2021.04*.tar.bz2 -C ~/work/linux/imx-linux-5.10.72
配置编译工具环境变量
# =====> Input:
source ~/work/toolchain/gcc-linaro/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.env
目标文件编译
cd ~/work/linux/imx-linux-5.10.72/uboot-2021.04
make myimx8mpek314_defconfig O=build
cd build
make -j24
目标文件说明
u-boot-nodtb.bin, spl/u-boot-spl.bin, arch/arm/dts/myimx8mpek314.dtb 即目标文件，在下一步骤编译 Boot 文件时会依赖这些文件。
编译 Boot 文件
准备 Boot 编译工具
把文件 “mkimage-5.10.72*.tar.bz2” 传输到 x86_64 Linux 主机中。
解压 Boot 编译工具
# =====> Input:
tar xf mkimage-5.10.72*.tar.bz2 -C ~/work/linux/imx-linux-5.10.72
编译 Boot 文件
cd ~/work/linux/imx-linux-5.10.72/mkimage-5.10.72
make SOC=iMX8MP dtbs=myimx8mpek314.dtb flash_ddr4_evk OUTIMG=boot-myimx8mpek314.bin
目标文件说明
iMX8M/boot-myimx8mpek314.bin 即目标文件，可以用编译出来的目标文件替换烧录工具的同名文件。
编译 Linux 内核
准备 Linux 源码包文件
把文件 “imx-linux-5.10.72*.tar.bz2” 传输到 x86_64 Linux 主机中。
解压源码包
# =====> Input:
tar xf linux-5.10.72*.tar.bz2 -C ~/work/linux/imx-linux-5.10.72
配置编译工具环境变量
# =====> Input:
source ~/work/toolchain/gcc-linaro/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.env
Linux Image 文件编译
执行编译
# =====> Input:
cd ~/work/linux/imx-linux-5.10.72/linux-5.10.72
make imx_v8_defconfig
make Image -j24
Image 编译过程中输出信息类似如下：
WRAP arch/arm64/include/generated/uapi/asm/kvm_para.h
WRAP arch/arm64/include/generated/uapi/asm/errno.h
......
KSYMS .tmp_vmlinux.kallsyms2.S
AS .tmp_vmlinux.kallsyms2.S
LD vmlinux
SORTTAB vmlinux
SYSMAP System.map
OBJCOPY arch/arm64/boot/Image
Linux 设备树文件编译
执行编译
# =====> Input:
make myzr/myimx8mpek314.dtb myzr/myimx8mpek314-ov2775-ov5640.dtb
设备树首次编译成功时，输出信息类似如下：
DTC arch/arm64/boot/dts/myzr/myimx8mpek314.dtb
DTC arch/arm64/boot/dts/myzr/myimx8mpek314-ov2775-ov5640.dtb
Linux MIPI屏设备树文件编译
执行编译
# =====> Input:
make myzr/myimx8mpek314-mipi.dtb
设备树首次编译成功时，输出信息类似如下：
DTC arch/arm64/boot/dts/myzr/myimx8mpek314-mipi.dtb
在arm板上，将 mmcblk2p1 进行挂载，如下操作：
mount /dev/mmcblk2p1 /mnt/
将编译好的 myimx8mpek314-mipi.dtb 文件上传到arm板的 /mnt 下
重新启动arm板，在启动过程中，按 回车 进入 uboot
在 uboot 里输入如下命令：
# =====> Input:
setenv fdtfile myimx8mpek314-mipi.dtb
saveenv
boot
Linux 模块编译
执行编译
# =====> Input:
make modules -j24
模块编译成功输出信息类似如下：
......
LD [M] sound/usb/snd-usb-audio.ko
LD [M] sound/usb/snd-usbmidi-lib.ko
安装内核模块到指定目录
# =====> Input:
if [ -d modules ]; then rm -rf modules; fi; mkdir modules
make modules_install INSTALL_MOD_PATH=./modules
模块安装输出信息类似如下：
......
INSTALL sound/usb/snd-usbmidi-lib.ko
DEPMOD 5.10.72-g5a70c7927261
打包内核模块文件
# =====> Input:
tar cjf kernel-modules.tar.bz2 -C modules lib
目标文件说明
Image, myimx8mpek314.dtb, myimx8mpek314-ov2775-ov5640.dtb, kernel-modules.tar.bz2 即目标文件，可以用编译出来的目标文件替换烧录工具的同名文件。
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* 珠海明远智睿科技有限公司
* ZhuHai MYZR Technology CO.,LTD.
* Latest Update: 2023/7/26
* Supporter: Zhong JiaYi
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