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IMX6 Linux-4.1.15编译参考手册

MY-IMX6 Linux-4.1.15 编译参考手册[size=0.87em]

目录 [隐藏]

  • 1下载相关文件
    • 1.1A7系列交叉编译工具链
    • 1.2A9系列交叉编译工具链
    • 1.3u-boot 源码
    • 1.4Kernel 源码

  • 2安装交叉编译工具链
    • 2.1MY-IMX6-A7 系列交叉编译工具链安装
    • 2.2MY-IMX6-A9 系列交叉编译工具链安装

  • 3u-boot编译
    • 3.1编译前的准备
    • 3.2编译u-boot目标文件
    • 3.3编译u-boot环境变量脚本
    • 3.4目标文件

  • 4内核编译
    • 4.1编译前的准备
    • 4.2编译内核目标文件
    • 4.3编译设备树目标文件
    • 4.4编译内核模块包
    • 4.5目标文件

  • 5Linux C程序编译
    • 5.1准备源码
    • 5.2MY-IMX6-A9 Linux C程序编译
    • 5.3运行Linux C目标程序

  • 6Linux QT5程序编译
    • 6.1准备源码
    • 6.2MY-IMX6-A9 QT程序编译
    • 6.3运行Linux QT5目标程序

  • 7


下载相关文件A7系列交叉编译工具链
A7系列包括：MY-IMX6-EK140、MY-IMX6-EK140P
网盘位置: 2.1_OS_Linux-4.1.15 -> 03_Toolchain
安装文件: fsl-imx-fb-glibc-x86_64-meta-toolchain-cortexa7hf-neon-toolchain-4.1.15-2.1.0.sh
描述文件一: fsl-imx-fb-glibc-x86_64-meta-toolchain-cortexa7hf-neon-toolchain-4.1.15-2.1.0.target.manifest
描述文件二: fsl-imx-fb-glibc-x86_64-meta-toolchain-cortexa7hf-neon-toolchain-4.1.15-2.1.0.host.manifest
A9系列交叉编译工具链
A9系列包括：MY-IMX6-EK200、MY-IMX6-EK314、MY-IMX6-EK336
网盘位置: 2.1_OS_Linux-4.1.15 -> 03_Toolchain
安装文件: fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0.sh
描述文件一: fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0.target.manifest
描述文件二: fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0.host.manifest
u-boot 源码
网盘位置: 2.1_OS_Linux-4.1.15 -> 02_Source
文件名: u-boot-2016.03-*.tar.bz2 (源码包版本号需svn315及以上)
Kernel 源码
网盘位置: 2.1_OS_Linux-4.1.15 -> 02_Source
文件名: linux-4.1.15-*.tar.bz2 (源码包版本号需svn368及以上)

安装交叉编译工具链MY-IMX6-A7 系列交叉编译工具链安装
  • 执行安装

=====> Input:./fsl-imx-fb-glibc-x86_64-meta-toolchain-cortexa7hf-neon-toolchain-4.1.15-2.1.0.sh =====> Output: Freescale i.MX Release Distro SDK installer version 4.1.15-2.1.0================================================================Enter target directory for SDK (default: /opt/fsl-imx-fb/4.1.15-2.1.0): =====> Input:/opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-cortexa7hf-neon-toolchain-4.1.15-2.1.0=====> Output: You are about to install the SDK to "/opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-cortexa7hf-neon-toolchain-4.1.15-2.1.0". Proceed[Y/n]? =====> Input:y=====> Output: Extracting SDK..................doneSetting it up...doneSDK 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-fb-glibc-x86_64-meta-toolchain-cortexa7hf-neon-toolchain-4.1.15-2.1.0/environment-setup-cortexa7hf-neon-poky-linux-gnueabi
  • source 工具链配置文件

=====> Input:source /opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-cortexa7hf-neon-toolchain-4.1.15-2.1.0/environment-setup-cortexa7hf-neon-poky-linux-gnueabi
  • 检验交叉编译工具安装

=====> Input:$CC -v=====> Output: Using built-in specs.COLLECT_GCC=arm-poky-linux-gnueabi-gccCOLLECT_LTO_WRAPPER=/opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-cortexa7hf-neon-toolchain-4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/5.3.0/lto-wrapperTarget: arm-poky-linux-gnueabiConfigured with: ../../../../../../work-shared/gcc-5.3.0-r0/gcc-5.3.0/configure --build=x86_64-linux --host=x86_64-pokysdk-linux --target=arm-poky-linux-gnueabi --prefix=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr --exec_prefix=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr --bindir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi --***indir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi --libexecdir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi --datadir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/share --sysconfdir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/etc --sharedstatedir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/com --localstatedir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/var --libdir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/lib/arm-poky-linux-gnueabi --includedir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/include --oldincludedir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/include --infodir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/share/info --mandir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/share/man --disable-silent-rules --disable-dependency-tracking --with-libtool-sysroot=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6ull14x14evk__fsl-imx-fb/tmp/sysroots/x86_64-nativesdk-pokysdk-linux --with-gnu-ld --enable-shared --enable-languages=c,c++ --enable-threads=posix --enable-multilib --enable-c99 --enable-long-long --enable-symvers=gnu --enable-libstdcxx-pch --program-prefix=arm-poky-linux-gnueabi- --without-local-prefix --enable-lto --enable-libssp --enable-libitm --disable-bootstrap --disable-libmudflap --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++/5.3.0 --with-build-time-tools=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6ull14x14evk__fsl-imx-fb/tmp/sysroots/x86_64-linux/usr/arm-poky-linux-gnueabi/bin --with-sysroot=/not/exist --with-build-sysroot=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6ull14x14evk__fsl-imx-fb/tmp/sysroots/imx6ull14x14evk --enable-poison-system-directories --with-mpfr=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6ull14x14evk__fsl-imx-fb/tmp/sysroots/x86_64-nativesdk-pokysdk-linux --with-mpc=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6ull14x14evk__fsl-imx-fb/tmp/sysroots/x86_64-nativesdk-pokysdk-linux --enable-nls --with-arch=armv7-aThread model: posixgcc version 5.3.0 (GCC)MY-IMX6-A9 系列交叉编译工具链安装
  • 执行安装

=====> Input:./fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0.sh=====> Output: Freescale i.MX Release Distro SDK installer version 4.1.15-2.1.0================================================================Enter target directory for SDK (default: /opt/fsl-imx-fb/4.1.15-2.1.0)=====> Input:/opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0=====> Output: You are about to install the SDK to "/opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0". Proceed[Y/n]?=====> Input:y=====> Output: Extracting SDK..............................................................................................................................................................doneSetting it up...doneSDK 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-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0/environment-setup-cortexa9hf-neon-poky-linux-gnueabi
  • source 工具链配置文件

=====> Input:source /opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0/environment-setup-cortexa9hf-neon-poky-linux-gnueabi
  • 检验交叉编译工具安装

=====> Input:$CC -v=====> Output: Using built-in specs.COLLECT_GCC=arm-poky-linux-gnueabi-gccCOLLECT_LTO_WRAPPER=/opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/5.3.0/lto-wrapperTarget: arm-poky-linux-gnueabiConfigured with: ../../../../../../work-shared/gcc-5.3.0-r0/gcc-5.3.0/configure --build=x86_64-linux --host=x86_64-pokysdk-linux --target=arm-poky-linux-gnueabi --prefix=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr --exec_prefix=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr --bindir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi --***indir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi --libexecdir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi --datadir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/share --sysconfdir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/etc --sharedstatedir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/com --localstatedir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/var --libdir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/lib/arm-poky-linux-gnueabi --includedir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/include --oldincludedir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/include --infodir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/share/info --mandir=/opt/fsl-imx-fb/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/share/man --disable-silent-rules --disable-dependency-tracking --with-libtool-sysroot=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6qdlsolo__fsl-imx-fb/tmp/sysroots/x86_64-nativesdk-pokysdk-linux --with-gnu-ld --enable-shared --enable-languages=c,c++ --enable-threads=posix --enable-multilib --enable-c99 --enable-long-long --enable-symvers=gnu --enable-libstdcxx-pch --program-prefix=arm-poky-linux-gnueabi- --without-local-prefix --enable-lto --enable-libssp --enable-libitm --disable-bootstrap --disable-libmudflap --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++/5.3.0 --with-build-time-tools=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6qdlsolo__fsl-imx-fb/tmp/sysroots/x86_64-linux/usr/arm-poky-linux-gnueabi/bin --with-sysroot=/not/exist --with-build-sysroot=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6qdlsolo__fsl-imx-fb/tmp/sysroots/imx6qdlsolo --enable-poison-system-directories --with-mpfr=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6qdlsolo__fsl-imx-fb/tmp/sysroots/x86_64-nativesdk-pokysdk-linux --with-mpc=/home/myzr/my-yocto/imx-4.1.15-2.1.0/imx6qdlsolo__fsl-imx-fb/tmp/sysroots/x86_64-nativesdk-pokysdk-linux --enable-nls --with-arch=armv7-aThread model: posixgcc version 5.3.0 (GCC)
u-boot编译编译前的准备
  • 创建编译工作目录

=====> Input:mkdir ~/my-work/02_source/ -p
  • 解压源码包到工作目录

=====> Input:tar xf u-boot-2016.03-svn*.tar.bz2 -C ~/my-work/02_source/编译u-boot目标文件
  • 进入源码目录

=====> Input:cd ~/my-work/02_source/u-boot-2016.03=====> Input:make myimx6ek200-6q-1g_defconfig=====> Output:   HOSTCC  scripts/basic/fixdep  HOSTCC  scripts/kconfig/conf.o  SHIPPED scripts/kconfig/zconf.tab.c  SHIPPED scripts/kconfig/zconf.lex.c  SHIPPED scripts/kconfig/zconf.hash.c  HOSTCC  scripts/kconfig/zconf.tab.o  HOSTLD  scripts/kconfig/conf## configuration written to .config#
  • 执行编译

=====> Input:make =====> Output: scripts/kconfig/conf  --silentoldconfig Kconfig  CHK     include/config.h  UPD     include/config.h  GEN     include/autoconf.mk  GEN     include/autoconf.mk.dep  CHK     include/config/uboot.release  UPD     include/config/uboot.release  CHK     include/generated/version_autogenerated.h  ......  LD      u-boot  OBJCOPY u-boot-nodtb.bin  OBJCOPY u-boot.srec  SYM     u-boot.sym  COPY    u-boot.bin  CFGS    board/myzr/myimx6/myimx6a9-6q-ddr3.cfg.cfgtmp  MKIMAGE u-boot.imx
Note: 如果有提示 “cc1: error”，通常是交叉编译工具的配置没生效，可以按前面 “交叉编译工具链安装” 中的 “source 工具链配置文件” 操作一次后再执行此步骤。
  • 目标文件改名

=====> Input:cp u-boot.imx uboot-myimx6ek200-6q-1g.imx编译u-boot环境变量脚本=====> Input:./tools/mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n "MYZR script" -d my_env_src/myimx6a9_4115_script.cmd my_env_script.scr=====> Output: Image Name:   MYZR scriptCreated:      Thu Nov  8 11:05:19 2018Image Type:   ARM Linux Script (uncompressed)Data Size:    2101 Bytes = 2.05 kB = 0.00 MBLoad Address: 00000000Entry Point:  00000000Contents:   Image 0: 2093 Bytes = 2.04 kB = 0.00 MB目标文件
uboot-myimx6ek200-6q-1g.imx 和 my_env_script.scr 即编译得到的目标文件，保存这两个文件

内核编译编译前的准备
  • 创建编译工作目录

=====> Input:mkdir ~/my-work/02_source/ -p
  • 解压源码包到工作目录

=====> Input:tar xf linux-4.1.15-svn*.tar.bz2 -C ~/my-work/02_source/编译内核目标文件
  • 进入内核源码目录

=====> Input:cd ~/my-work/02_source/linux-4.1.15
  • 生成目标平台的 .config 文件

=====> Input:make myimx6a9_defconfig=====> Output:   HOSTCC  scripts/basic/fixdep  HOSTCC  scripts/kconfig/conf.o  SHIPPED scripts/kconfig/zconf.tab.c  SHIPPED scripts/kconfig/zconf.lex.c  SHIPPED scripts/kconfig/zconf.hash.c  HOSTCC  scripts/kconfig/zconf.tab.o  HOSTLD  scripts/kconfig/conf## configuration written to .config#
Note: 如果有“Can't find default configuration "arch/x86/configs” 的错误，是因为交叉编译工具链的配置没有生效，可以按前面 “交叉编译工具链安装” 中的 “source 工具链配置文件” 操作一次后再执行此步骤
  • 编译内核目标文件

=====> Input:make zImage=====> Output: scripts/kconfig/conf --silentoldconfig Kconfig  CHK     include/config/kernel.release  UPD     include/config/kernel.release  WRAP    arch/arm/include/generated/asm/auxvec.h  ......  AS      arch/arm/boot/compressed/piggy.lzo.o  LD      arch/arm/boot/compressed/vmlinux  OBJCOPY arch/arm/boot/zImage  Kernel: arch/arm/boot/zImage is ready
  • 内核目标文件改名

=====> Input:cp arch/arm/boot/zImage zImage-myimx6a9编译设备树目标文件
  • 执行编译命令

=====> Input:make myimx6ek200-6q-1g.dtb=====> Output:   DTC     arch/arm/boot/dts/myimx6ek200-6q-1g.dtb
  • 复制设备树目标文件

=====> Input:cp arch/arm/boot/dts/myimx6ek200-6q-1g.dtb ./编译内核模块包
  • 执行编译

=====> Input:make modules=====> Output: scripts/kconfig/conf  --silentoldconfig Kconfig  CHK     include/config/kernel.release  WRAP    arch/arm/include/generated/asm/bitsperlong.h  WRAP    arch/arm/include/generated/asm/current.h  ......  LD [M]  sound/u***/snd-u***-audio.ko  LD [M]  sound/u***/snd-u***midi-lib.ko  LD [M]  sound/core/snd-rawmidi.ko
  • 创建内核模块的保存目录

=====> Input:mkdir modules
  • 安装内核模块到指定目录

=====> Input:make modules_install INSTALL_MOD_PATH=./modules=====> Output:   INSTALL crypto/tcrypt.ko  INSTALL drivers/dma/dmatest.ko  INSTALL drivers/i2c/algos/i2c-algo-pca.ko  ......  INSTALL sound/u***/snd-u***-audio.ko  INSTALL sound/u***/snd-u***midi-lib.ko  DEPMOD  4.1.15-myimx6-svn368
  • 打包内核模块文件

=====> Input:tar cjf kernel-modules-myimx6a9.tar.bz2 -C modules lib目标文件
zImage-myimx6a9、myimx6ek200-6q-1g.dtb 和 kernel-modules-myimx6a9.tar.bz2 即编译得到的目标文件，保存这三个文件
Linux C程序编译准备源码
  • 下载Demo源码
    位置：2.3_OS_Linux-4.1.15 -> 04_MY-Demo -> MY-Linux-C-Demo
    文件名：hello.c
  • 复制源码到开发主机中

MY-IMX6-A9 Linux C程序编译
  • 编译目标文件

=====> Input:$CC hello.c -o hello.out
Note: 如果有“未找到命令”的信息，是因为交叉编译工具链的配置没有生效，可以按前面 “交叉编译工具链安装” 中的 “source 工具链配置文件” 操作一次后再执行此步骤
运行Linux C目标程序
  • 把编译得到的 hello.out 复制到开发板上
  • 在开发板上运行Linux C目标程序

=====> Input:./hello.out=====> Output:MYZR Technology Co.,Ltd.Web:  http://www.myzr.com.cn/Wiki: http://wiki.myzr.com.cn/BBS:  http://bbs.myzr.com.cn/Tel: 0756-3628023/3628021E-mail: service@myzr.com.cn
Note: 如果有“Permission denied”的信息，通常是目标程序没有可执行权限，可以参照下面指令增加目标文件的可执行权限后再运行程序
=====> Input:chmod +x ./hello.out
Linux QT5程序编译准备源码
  • 下载Demo源码
    位置：2.3_OS_Linux-4.1.15 -> 04_MY-Demo
    文件名：MY-Linux-QT5-Demo-AboutUs-svn*.tar.bz2
  • 解压源码包到工作目录

=====> Input:tar xf MY-Linux-QT5-Demo-AboutUs-svn*.tar.bz2 -C ~/my-work/02_source/MY-IMX6-A9 QT程序编译
  • 进入源码目录

=====> Input:cd ~/my-work/02_source/AboutUs/
  • 生成Makefile文件

=====> Input:qmake
Note1: 如果有“未找到 'qamke' 命令”的信息，是因为交叉编译工具链的配置没有生效，可以按前面 “交叉编译工具链安装” 中的 “source 工具链配置文件” 操作一次后再执行此步骤
Note2: 如果有“oe-device-extra.pri: No such file or directory”的信息，执行下面命令后再执行qmake：
=====> Input:touch /opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0/sysroots/cortexa9hf-neon-poky-linux-gnueabi/usr/lib/qt5/mkspecs/oe-device-extra.pri
  • 编译目标文件

=====> Input:make=====> Output: /opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/bin/qt5/uic widget.ui -o ui_widget.h......arm-poky-linux-gnueabi-g++  -march=armv7-a -mfpu=neon  -mfloat-abi=hard -mcpu=cortex-a9 --sysroot=/opt/fsl-imx-fb-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-neon-toolchain-4.1.15-2.1.0/sysroots/cortexa9hf-neon-poky-linux-gnueabi -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-O1 -o AboutUs main.o widget.o qrc_source.o moc_widget.o   -lQt5Widgets -lQt5Gui -lQt5Core -lGLESv2 -lEGL -lpthread运行Linux QT5目标程序
  • 把编译得到的 AboutUs 复制到开发板上
  • 在开发板上运行QT5目标程序

=====> Input:./AboutUs -platform eglfs
Note: 如果有“Permission denied”的信息，通常是目标程序没有可执行权限，可以参照下面指令增加目标文件的可执行权限后再运行程序
=====> Input:chmod +x ./AboutUs
  • 运行结果
    可以看到开发板显示屏上输出了 MYZR 的 Logo 和一些信息。



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lee_st

2018-11-29 22:03:54
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lee_st

2018-11-29 22:04:03
不错
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