{"id":10021310,"date":"2026-03-15T18:34:48","date_gmt":"2026-03-15T10:34:48","guid":{"rendered":"https:\/\/itmax.cn\/?p=10021310"},"modified":"2026-03-15T18:34:48","modified_gmt":"2026-03-15T10:34:48","slug":"%e5%b5%8c%e5%85%a5%e5%bc%8flinux%e7%b3%bb%e7%bb%9f%e7%9a%84%e5%ae%89%e8%a3%85%e5%92%8c%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10021310","title":{"rendered":"\u5d4c\u5165\u5f0fLinux\u7cfb\u7edf\u7684\u5b89\u88c5\u548c\u914d\u7f6e"},"content":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u826f\u8bb8\u3002<\/p>\n<p>\u6700\u8fd1\u6709\u4e0d\u5c11\u8bfb\u8005\u670b\u53cb\u95ee\u6211\u5173\u4e8e\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u5982\u4f55\u5b89\u88c5\u548c\u914d\u7f6e\u7684\u95ee\u9898\u3002<\/p>\n<p>\u4f5c\u4e3a\u4e00\u540d\u4ece\u4e8b\u5d4c\u5165\u5f0f\u5f00\u53d1\u591a\u5e74\u7684\u7a0b\u5e8f\u5458\uff0c\u6211\u6df1\u77e5\u8fd9\u4e2a\u8bdd\u9898\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\u53ef\u80fd\u6709\u4e9b\u590d\u6742\uff0c\u4f46\u53ea\u8981\u638c\u63e1\u4e86\u6b63\u786e\u7684\u65b9\u6cd5\u548c\u6b65\u9aa4\uff0c\u5176\u5b9e\u5e76\u6ca1\u6709\u60f3\u8c61\u4e2d\u90a3\u4e48\u56f0\u96be\u3002<\/p>\n<p>\u4eca\u5929\u6211\u5c31\u7ed3\u5408\u81ea\u5df1\u8fd9\u4e9b\u5e74\u7684\u5b9e\u6218\u7ecf\u9a8c\uff0c\u7ed9\u5927\u5bb6\u8be6\u7ec6\u8bb2\u89e3\u4e00\u4e0b\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u7684\u5b89\u88c5\u548c\u914d\u7f6e\u5168\u8fc7\u7a0b\u3002<\/p>\n<h2>1. \u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u6982\u8ff0<\/h2>\n<h3>1.1 \u4ec0\u4e48\u662f\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf<\/h3>\n<p>\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u662f\u6307\u8fd0\u884c\u5728\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e0a\u7684 Linux \u64cd\u4f5c\u7cfb\u7edf\u3002<\/p>\n<p>\u4e0e\u6211\u4eec\u5e73\u65f6\u5728 PC \u4e0a\u4f7f\u7528\u7684 Ubuntu\u3001CentOS \u7b49\u684c\u9762 Linux \u7cfb\u7edf\u4e0d\u540c\uff0c\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u901a\u5e38\u9488\u5bf9\u7279\u5b9a\u786c\u4ef6\u5e73\u53f0\u8fdb\u884c\u4e86\u88c1\u526a\u548c\u4f18\u5316\uff0c\u53bb\u6389\u4e86\u5f88\u591a\u4e0d\u5fc5\u8981\u7684\u529f\u80fd\u6a21\u5757\uff0c\u4f7f\u5176\u80fd\u591f\u5728\u8d44\u6e90\u53d7\u9650\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e0a\u9ad8\u6548\u8fd0\u884c\u3002<\/p>\n<p>\u5728\u6211\u4e4b\u524d\u505a\u6c7d\u8f66\u7535\u5b50\u9879\u76ee\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u5c31\u662f\u57fa\u4e8e ARM \u67b6\u6784\u7684\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u3002<\/p>\n<p>\u6574\u4e2a\u7cfb\u7edf\u7684\u6839\u6587\u4ef6\u7cfb\u7edf\u53ea\u6709\u51e0\u5341 MB \u5927\u5c0f\uff0c\u4f46\u5374\u80fd\u591f\u7a33\u5b9a\u8fd0\u884c\u5404\u79cd\u8f66\u8f7d\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u8fd9\u79cd\u7cbe\u7b80\u9ad8\u6548\u7684\u7279\u6027\uff0c\u6b63\u662f\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u7684\u6838\u5fc3\u4f18\u52bf\u3002<\/p>\n<h3>1.2 \u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u7684\u7ec4\u6210<\/h3>\n<p>\u4e00\u4e2a\u5b8c\u6574\u7684\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u901a\u5e38\u7531\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u90e8\u5206\u7ec4\u6210:<\/p>\n<p><strong>Bootloader(\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f)<\/strong>: \u8fd9\u662f\u7cfb\u7edf\u542f\u52a8\u65f6\u6700\u5148\u8fd0\u884c\u7684\u7a0b\u5e8f\uff0c\u8d1f\u8d23\u521d\u59cb\u5316\u786c\u4ef6\u3001\u52a0\u8f7d\u5185\u6838\u5230\u5185\u5b58\u5e76\u542f\u52a8\u5185\u6838\u3002<\/p>\n<p>\u5e38\u89c1\u7684 Bootloader \u6709 U-Boot\u3001Barebox \u7b49\u3002<\/p>\n<p>\u6211\u5728\u9879\u76ee\u4e2d\u6700\u5e38\u7528\u7684\u5c31\u662f U-Boot\uff0c\u5b83\u529f\u80fd\u5f3a\u5927\u4e14\u652f\u6301\u7684\u786c\u4ef6\u5e73\u53f0\u975e\u5e38\u5e7f\u6cdb\u3002<\/p>\n<p><strong>Linux \u5185\u6838<\/strong>: \u8fd9\u662f\u6574\u4e2a\u7cfb\u7edf\u7684\u6838\u5fc3\uff0c\u8d1f\u8d23\u7ba1\u7406\u786c\u4ef6\u8d44\u6e90\u3001\u63d0\u4f9b\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u3001\u8c03\u5ea6\u8fdb\u7a0b\u7b49\u3002<\/p>\n<p>\u5d4c\u5165\u5f0f Linux \u5185\u6838\u901a\u5e38\u4f1a\u6839\u636e\u5177\u4f53\u786c\u4ef6\u5e73\u53f0\u8fdb\u884c\u88c1\u526a\u548c\u914d\u7f6e\uff0c\u53ea\u4fdd\u7559\u5fc5\u8981\u7684\u529f\u80fd\u6a21\u5757\u3002<\/p>\n<p><strong>\u6839\u6587\u4ef6\u7cfb\u7edf(Root Filesystem)<\/strong>: \u5305\u542b\u4e86\u7cfb\u7edf\u8fd0\u884c\u6240\u9700\u7684\u5404\u79cd\u5e93\u6587\u4ef6\u3001\u914d\u7f6e\u6587\u4ef6\u3001\u5e94\u7528\u7a0b\u5e8f\u7b49\u3002<\/p>\n<p>\u6839\u6587\u4ef6\u7cfb\u7edf\u53ef\u4ee5\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u4ecb\u8d28\u4e0a\uff0c\u6bd4\u5982 NOR Flash\u3001NAND Flash\u3001SD \u5361\u3001eMMC \u7b49\u3002<\/p>\n<p><strong>\u5e94\u7528\u7a0b\u5e8f<\/strong>: \u8fd9\u662f\u8fd0\u884c\u5728\u7528\u6237\u7a7a\u95f4\u7684\u5404\u79cd\u5e94\u7528\u8f6f\u4ef6\uff0c\u5b9e\u73b0\u5177\u4f53\u7684\u4e1a\u52a1\u529f\u80fd\u3002<\/p>\n<h2>2. \u5f00\u53d1\u73af\u5883\u51c6\u5907<\/h2>\n<h3>2.1 \u5bbf\u4e3b\u673a\u73af\u5883\u642d\u5efa<\/h3>\n<p>\u5728\u5f00\u59cb\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u7684\u5b89\u88c5\u914d\u7f6e\u4e4b\u524d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u51c6\u5907\u4e00\u53f0\u8fd0\u884c Linux \u7cfb\u7edf\u7684\u5bbf\u4e3b\u673a\u4f5c\u4e3a\u5f00\u53d1\u73af\u5883\u3002<\/p>\n<p>\u6211\u4e2a\u4eba\u4e60\u60ef\u4f7f\u7528 Ubuntu \u4f5c\u4e3a\u5f00\u53d1\u4e3b\u673a\uff0c\u7248\u672c\u5efa\u8bae\u9009\u62e9 18.04 LTS \u6216 20.04 LTS\uff0c\u8fd9\u4e24\u4e2a\u7248\u672c\u7a33\u5b9a\u6027\u597d\u4e14\u793e\u533a\u652f\u6301\u5b8c\u5584\u3002<\/p>\n<p>\u5b89\u88c5\u5b8c Ubuntu \u7cfb\u7edf\u540e\uff0c\u9700\u8981\u5b89\u88c5\u4e00\u4e9b\u5fc5\u8981\u7684\u5f00\u53d1\u5de5\u5177\u548c\u4f9d\u8d56\u5e93:<\/p>\n<pre><code>sudo apt-get update\nsudo apt-get install build-essential git vim\nsudo apt-get install libncurses5-dev libssl-dev\nsudo apt-get install bison flex bc\nsudo apt-get install u-boot-tools device-tree-compiler\nsudo apt-get install nfs-kernel-server tftp-hpa tftpd-hpa<\/code><\/pre>\n<p>\u8fd9\u4e9b\u5de5\u5177\u5305\u62ec\u7f16\u8bd1\u5de5\u5177\u94fe\u3001\u7248\u672c\u63a7\u5236\u5de5\u5177\u3001\u5185\u6838\u914d\u7f6e\u5de5\u5177\u3001\u8bbe\u5907\u6811\u7f16\u8bd1\u5668\u4ee5\u53ca\u7f51\u7edc\u8c03\u8bd5\u5de5\u5177\u7b49\u3002<\/p>\n<p>\u5728\u6211\u7684\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u8fd9\u4e9b\u5de5\u5177\u51e0\u4e4e\u6bcf\u5929\u90fd\u4f1a\u7528\u5230\u3002<\/p>\n<h3>2.2 \u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe<\/h3>\n<p>\u7531\u4e8e\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u5904\u7406\u5668\u67b6\u6784(\u5982 ARM\u3001MIPS \u7b49)\u4e0e\u5f00\u53d1\u4e3b\u673a(\u901a\u5e38\u662f x86 \u67b6\u6784)\u4e0d\u540c\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\u6765\u7f16\u8bd1\u76ee\u6807\u5e73\u53f0\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe\u53ef\u4ee5\u4ece\u82af\u7247\u5382\u5546\u5b98\u7f51\u4e0b\u8f7d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5f00\u6e90\u7684\u5de5\u5177\u94fe\u5982 Linaro\u3001Buildroot \u7b49\u3002<\/p>\n<p>\u4ee5 ARM \u5e73\u53f0\u4e3a\u4f8b\uff0c\u4e0b\u8f7d\u5e76\u5b89\u88c5\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe:<\/p>\n<pre><code># \u4e0b\u8f7dLinaro\u5de5\u5177\u94fe\nwget https:\/\/releases.linaro.org\/components\/toolchain\/binaries\/latest-7\/arm-linux-gnueabihf\/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.xz\n\u200b\n# \u89e3\u538b\ntar -xvf gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.xz\n\u200b\n# \u914d\u7f6e\u73af\u5883\u53d8\u91cf\necho &quot;export PATH=$PATH:\/path\/to\/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf\/bin&quot; &gt;&gt; ~\/.bashrc\nsource ~\/.bashrc\n\u200b\n# \u9a8c\u8bc1\u5b89\u88c5\narm-linux-gnueabihf-gcc --version<\/code><\/pre>\n<p>\u914d\u7f6e\u597d\u73af\u5883\u53d8\u91cf\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528 <code>arm-linux-gnueabihf-gcc<\/code> \u7b49\u547d\u4ee4\u6765\u7f16\u8bd1 ARM \u5e73\u53f0\u7684\u7a0b\u5e8f\u4e86\u3002<\/p>\n<h2>3. Bootloader \u7684\u7f16\u8bd1\u4e0e\u70e7\u5199<\/h2>\n<h3>3.1 U-Boot \u6e90\u7801\u83b7\u53d6\u4e0e\u914d\u7f6e<\/h3>\n<p>U-Boot \u662f\u76ee\u524d\u6700\u6d41\u884c\u7684\u5f00\u6e90 Bootloader\uff0c\u652f\u6301\u4f17\u591a\u786c\u4ef6\u5e73\u53f0\u3002<\/p>\n<p>\u9996\u5148\u4ece\u5b98\u65b9\u4ed3\u5e93\u83b7\u53d6 U-Boot \u6e90\u7801:<\/p>\n<pre><code>git clone https:\/\/github.com\/u-boot\/u-boot.git\ncd u-boot\ngit checkout v2021.01  # \u9009\u62e9\u4e00\u4e2a\u7a33\u5b9a\u7248\u672c<\/code><\/pre>\n<p>\u83b7\u53d6\u6e90\u7801\u540e\uff0c\u9700\u8981\u6839\u636e\u76ee\u6807\u786c\u4ef6\u5e73\u53f0\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<p>U-Boot \u4e3a\u4e0d\u540c\u7684\u5f00\u53d1\u677f\u63d0\u4f9b\u4e86\u9ed8\u8ba4\u914d\u7f6e\u6587\u4ef6\uff0c\u5b58\u653e\u5728 <code>configs<\/code> \u76ee\u5f55\u4e0b\u3002\u4ee5 STM32MP157 \u5f00\u53d1\u677f\u4e3a\u4f8b:<\/p>\n<pre><code># \u67e5\u770b\u652f\u6301\u7684\u914d\u7f6e\nls configs\/ | grep stm32mp1\n\u200b\n# \u4f7f\u7528\u9ed8\u8ba4\u914d\u7f6e\nmake ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- stm32mp15_basic_defconfig\n\u200b\n# \u8fdb\u884c\u8be6\u7ec6\u914d\u7f6e(\u53ef\u9009)\nmake ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- menuconfig<\/code><\/pre>\n<p>\u5728 menuconfig \u754c\u9762\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u914d\u7f6e\u5404\u79cd\u529f\u80fd\u9009\u9879\uff0c\u6bd4\u5982\u7f51\u7edc\u652f\u6301\u3001\u5b58\u50a8\u8bbe\u5907\u652f\u6301\u3001\u73af\u5883\u53d8\u91cf\u5b58\u50a8\u4f4d\u7f6e\u7b49\u3002<\/p>\n<p>\u6211\u5728\u9879\u76ee\u4e2d\u901a\u5e38\u4f1a\u542f\u7528\u7f51\u7edc\u529f\u80fd\uff0c\u8fd9\u6837\u53ef\u4ee5\u901a\u8fc7 TFTP \u65b9\u5f0f\u5feb\u901f\u4e0b\u8f7d\u548c\u8c03\u8bd5\u5185\u6838\u955c\u50cf\u3002<\/p>\n<h3>3.2 \u7f16\u8bd1 U-Boot<\/h3>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u6267\u884c\u7f16\u8bd1\u547d\u4ee4:<\/p>\n<pre><code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -j8<\/code><\/pre>\n<p>\u5176\u4e2d <code>-j8<\/code> \u8868\u793a\u4f7f\u7528 8 \u4e2a\u7ebf\u7a0b\u5e76\u884c\u7f16\u8bd1\uff0c\u53ef\u4ee5\u6839\u636e\u4e3b\u673a CPU \u6838\u5fc3\u6570\u8c03\u6574\u3002<\/p>\n<p>\u7f16\u8bd1\u6210\u529f\u540e\uff0c\u4f1a\u5728\u5f53\u524d\u76ee\u5f55\u751f\u6210 <code>u-boot.bin<\/code> \u6216 <code>u-boot.img<\/code> \u7b49\u6587\u4ef6\uff0c\u8fd9\u5c31\u662f\u6211\u4eec\u9700\u8981\u7684 Bootloader \u955c\u50cf\u3002<\/p>\n<h3>3.3 \u70e7\u5199 U-Boot \u5230\u76ee\u6807\u677f<\/h3>\n<p>\u5c06\u7f16\u8bd1\u597d\u7684 U-Boot \u70e7\u5199\u5230\u76ee\u6807\u677f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5e38\u89c1\u7684\u6709:<\/p>\n<p><strong>\u901a\u8fc7 SD \u5361\u70e7\u5199<\/strong>: \u9002\u7528\u4e8e\u652f\u6301 SD \u5361\u542f\u52a8\u7684\u5f00\u53d1\u677f\u3002\u4f7f\u7528 <code>dd<\/code> \u547d\u4ee4\u5c06 U-Boot \u5199\u5165 SD \u5361\u7684\u7279\u5b9a\u4f4d\u7f6e:<\/p>\n<pre><code>sudo dd if=u-boot.bin of=\/dev\/sdb bs=1k seek=8 conv=fsync<\/code><\/pre>\n<p><strong>\u901a\u8fc7 USB\/\u4e32\u53e3\u70e7\u5199<\/strong>: \u4f7f\u7528\u82af\u7247\u5382\u5546\u63d0\u4f9b\u7684\u70e7\u5199\u5de5\u5177\uff0c\u901a\u8fc7 USB \u6216\u4e32\u53e3\u63a5\u53e3\u5c06 U-Boot \u70e7\u5199\u5230 Flash \u4e2d\u3002<\/p>\n<p><strong>\u901a\u8fc7 JTAG \u8c03\u8bd5\u5668\u70e7\u5199<\/strong>: \u4f7f\u7528 J-Link\u3001ST-Link \u7b49\u8c03\u8bd5\u5668\uff0c\u901a\u8fc7 JTAG \u63a5\u53e3\u70e7\u5199\u3002<\/p>\n<p>\u6211\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u901a\u5e38\u4f1a\u5148\u4f7f\u7528 SD \u5361\u65b9\u5f0f\u5feb\u901f\u9a8c\u8bc1 U-Boot \u529f\u80fd\uff0c\u786e\u8ba4\u65e0\u8bef\u540e\u518d\u70e7\u5199\u5230\u677f\u8f7d Flash \u4e2d\u3002<\/p>\n<h2>4. Linux \u5185\u6838\u7684\u7f16\u8bd1\u4e0e\u90e8\u7f72<\/h2>\n<h3>4.1 \u5185\u6838\u6e90\u7801\u83b7\u53d6<\/h3>\n<p>Linux \u5185\u6838\u6e90\u7801\u53ef\u4ee5\u4ece kernel.org \u5b98\u7f51\u4e0b\u8f7d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u82af\u7247\u5382\u5546\u63d0\u4f9b\u7684\u5b9a\u5236\u7248\u672c\u3002<\/p>\n<p>\u5bf9\u4e8e STM32MP1 \u7cfb\u5217\uff0cST \u5b98\u65b9\u63d0\u4f9b\u4e86\u4e13\u95e8\u4f18\u5316\u7684\u5185\u6838:<\/p>\n<pre><code>git clone https:\/\/github.com\/STMicroelectronics\/linux.git\ncd linux\ngit checkout v5.10-stm32mp  # \u9009\u62e9\u5bf9\u5e94\u7248\u672c<\/code><\/pre>\n<p>\u4f7f\u7528\u5382\u5546\u63d0\u4f9b\u7684\u5185\u6838\u7248\u672c\u7684\u597d\u5904\u662f\uff0c\u5f88\u591a\u786c\u4ef6\u9a71\u52a8\u5df2\u7ecf\u96c6\u6210\u597d\u4e86\uff0c\u53ef\u4ee5\u5927\u5927\u51cf\u5c11\u6211\u4eec\u7684\u5f00\u53d1\u5de5\u4f5c\u91cf\u3002<\/p>\n<h3>4.2 \u5185\u6838\u914d\u7f6e<\/h3>\n<p>\u5185\u6838\u914d\u7f6e\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6b65\u9aa4\uff0c\u76f4\u63a5\u5f71\u54cd\u5230\u7cfb\u7edf\u7684\u529f\u80fd\u548c\u6027\u80fd\u3002<\/p>\n<p>\u9996\u5148\u4f7f\u7528\u9ed8\u8ba4\u914d\u7f6e:<\/p>\n<pre><code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- multi_v7_defconfig<\/code><\/pre>\n<p>\u7136\u540e\u8fdb\u5165 menuconfig \u8fdb\u884c\u8be6\u7ec6\u914d\u7f6e:<\/p>\n<pre><code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- menuconfig<\/code><\/pre>\n<p>\u5728\u914d\u7f6e\u754c\u9762\u4e2d\uff0c\u6709\u51e0\u4e2a\u5173\u952e\u9009\u9879\u9700\u8981\u6ce8\u610f:<\/p>\n<p><strong>\u6587\u4ef6\u7cfb\u7edf\u652f\u6301<\/strong>: \u6839\u636e\u5b9e\u9645\u4f7f\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\uff0c\u542f\u7528\u76f8\u5e94\u7684\u652f\u6301\uff0c\u5982 ext4\u3001jffs2\u3001ubifs \u7b49\u3002<\/p>\n<p>\u6211\u5728\u9879\u76ee\u4e2d\u7ecf\u5e38\u4f7f\u7528 ext4 \u6587\u4ef6\u7cfb\u7edf\uff0c\u5b83\u7a33\u5b9a\u53ef\u9760\u4e14\u6027\u80fd\u826f\u597d\u3002<\/p>\n<p><strong>\u7f51\u7edc\u534f\u8bae\u6808<\/strong>: \u5982\u679c\u8bbe\u5907\u9700\u8981\u8054\u7f51\uff0c\u5fc5\u987b\u542f\u7528 TCP\/IP \u534f\u8bae\u6808\u4ee5\u53ca\u76f8\u5e94\u7684\u7f51\u7edc\u8bbe\u5907\u9a71\u52a8\u3002<\/p>\n<p><strong>\u8bbe\u5907\u9a71\u52a8<\/strong>: \u6839\u636e\u786c\u4ef6\u914d\u7f6e\uff0c\u542f\u7528\u5bf9\u5e94\u7684\u9a71\u52a8\u7a0b\u5e8f\uff0c\u5982 I2C\u3001SPI\u3001UART\u3001USB\u3001\u4ee5\u592a\u7f51\u7b49\u3002<\/p>\n<p>\u8fd9\u4e00\u6b65\u975e\u5e38\u5173\u952e\uff0c\u5982\u679c\u9a71\u52a8\u6ca1\u6709\u6b63\u786e\u914d\u7f6e\uff0c\u76f8\u5e94\u7684\u786c\u4ef6\u5c31\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p><strong>\u7535\u6e90\u7ba1\u7406<\/strong>: \u5bf9\u4e8e\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\uff0c\u9700\u8981\u914d\u7f6e\u597d\u7535\u6e90\u7ba1\u7406\u9009\u9879\uff0c\u4ee5\u964d\u4f4e\u529f\u8017\u3002<\/p>\n<h3>4.3 \u8bbe\u5907\u6811\u914d\u7f6e<\/h3>\n<p>\u8bbe\u5907\u6811(Device Tree)\u662f\u63cf\u8ff0\u786c\u4ef6\u914d\u7f6e\u7684\u6570\u636e\u7ed3\u6784\uff0cLinux \u5185\u6838\u901a\u8fc7\u89e3\u6790\u8bbe\u5907\u6811\u6765\u8bc6\u522b\u786c\u4ef6\u8d44\u6e90\u3002<\/p>\n<p>\u8bbe\u5907\u6811\u6e90\u6587\u4ef6(dts)\u4f4d\u4e8e <code>arch\/arm\/boot\/dts<\/code> \u76ee\u5f55\u4e0b\u3002<\/p>\n<p>\u4ee5 STM32MP157 \u4e3a\u4f8b\uff0c\u53ef\u80fd\u9700\u8981\u4fee\u6539\u6216\u521b\u5efa\u81ea\u5df1\u7684\u8bbe\u5907\u6811\u6587\u4ef6:<\/p>\n<pre><code>\/\/ stm32mp157c-myboard.dts\n\/dts-v1\/;\n#include &quot;stm32mp157.dtsi&quot;\n#include &quot;stm32mp15xc.dtsi&quot;\n#include &quot;stm32mp15-pinctrl.dtsi&quot;\n\n\/ {\n    model = &quot;My Custom Board&quot;;\n    compatible = &quot;st\uff0cstm32mp157c-myboard&quot;\uff0c &quot;st\uff0cstm32mp157&quot;;\n\n    chosen {\n        stdout-path = &quot;serial0:115200n8&quot;;\n    };\n\n    memory@c0000000 {\n        device_type = &quot;memory&quot;;\n        reg = &lt;0xc0000000 0x20000000&gt;; \/\/ 512MB DDR\n    };\n};\n\n&amp;uart4 {\n    pinctrl-names = &quot;default&quot;;\n    pinctrl-0 = &lt;&amp;uart4_pins_a&gt;;\n    status = &quot;okay&quot;;\n};\n\n&amp;ethernet0 {\n    status = &quot;okay&quot;;\n    pinctrl-0 = &lt;&amp;ethernet0_rgmii_pins_a&gt;;\n    pinctrl-names = &quot;default&quot;;\n    phy-mode = &quot;rgmii&quot;;\n};<\/code><\/pre>\n<p>\u8bbe\u5907\u6811\u7684\u914d\u7f6e\u9700\u8981\u6839\u636e\u5b9e\u9645\u786c\u4ef6\u7535\u8def\u6765\u7f16\u5199\uff0c\u5305\u62ec\u5185\u5b58\u5927\u5c0f\u3001\u5916\u8bbe\u63a5\u53e3\u3001\u5f15\u811a\u590d\u7528\u7b49\u4fe1\u606f\u3002<\/p>\n<p>\u5728\u6211\u505a\u6c7d\u8f66\u7535\u5b50\u9879\u76ee\u65f6\uff0c\u8bbe\u5907\u6811\u7684\u8c03\u8bd5\u5360\u636e\u4e86\u4e0d\u5c11\u65f6\u95f4\uff0c\u56e0\u4e3a\u4efb\u4f55\u4e00\u4e2a\u5c0f\u9519\u8bef\u90fd\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8\u6216\u5916\u8bbe\u65e0\u6cd5\u5de5\u4f5c\u3002<\/p>\n<h3>4.4 \u7f16\u8bd1\u5185\u6838\u548c\u8bbe\u5907\u6811<\/h3>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u5f00\u59cb\u7f16\u8bd1:<\/p>\n<pre><code># \u7f16\u8bd1\u5185\u6838\u955c\u50cf\nmake ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- zImage -j8\n\n# \u7f16\u8bd1\u8bbe\u5907\u6811\nmake ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- dtbs\n\n# \u7f16\u8bd1\u5185\u6838\u6a21\u5757\nmake ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- modules -j8<\/code><\/pre>\n<p>\u7f16\u8bd1\u6210\u529f\u540e\uff0c\u4f1a\u751f\u6210\u4ee5\u4e0b\u91cd\u8981\u6587\u4ef6:<\/p>\n<ul>\n<li><code>arch\/arm\/boot\/zImage<\/code>: \u538b\u7f29\u7684\u5185\u6838\u955c\u50cf<\/li>\n<li><code>arch\/arm\/boot\/dts\/*.dtb<\/code>: \u7f16\u8bd1\u540e\u7684\u8bbe\u5907\u6811\u4e8c\u8fdb\u5236\u6587\u4ef6<\/li>\n<li>\u5404\u4e2a\u76ee\u5f55\u4e0b\u7684 <code>*.ko<\/code> \u6587\u4ef6: \u5185\u6838\u6a21\u5757<\/li>\n<\/ul>\n<h2>5. \u6839\u6587\u4ef6\u7cfb\u7edf\u7684\u5236\u4f5c<\/h2>\n<h3>5.1 \u4f7f\u7528 Buildroot \u6784\u5efa\u6839\u6587\u4ef6\u7cfb\u7edf<\/h3>\n<p>Buildroot \u662f\u4e00\u4e2a\u81ea\u52a8\u5316\u6784\u5efa\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u751f\u6210\u5b9a\u5236\u7684\u6839\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n<p>\u9996\u5148\u83b7\u53d6 Buildroot \u6e90\u7801:<\/p>\n<pre><code>git clone https:\/\/github.com\/buildroot\/buildroot.git\ncd buildroot\ngit checkout 2021.02  # \u9009\u62e9\u7a33\u5b9a\u7248\u672c<\/code><\/pre>\n<p>\u914d\u7f6e Buildroot:<\/p>\n<pre><code>make menuconfig<\/code><\/pre>\n<p>\u5728\u914d\u7f6e\u754c\u9762\u4e2d\uff0c\u9700\u8981\u8bbe\u7f6e\u4ee5\u4e0b\u5173\u952e\u9009\u9879:<\/p>\n<p><strong>Target options<\/strong>: \u9009\u62e9\u76ee\u6807\u67b6\u6784(\u5982 ARM)\u3001CPU \u7c7b\u578b\u3001\u6d6e\u70b9\u8fd0\u7b97\u65b9\u5f0f\u7b49\u3002<\/p>\n<p><strong>Toolchain<\/strong>: \u9009\u62e9\u4f7f\u7528\u5916\u90e8\u5de5\u5177\u94fe\u8fd8\u662f\u8ba9 Buildroot \u81ea\u52a8\u6784\u5efa\u5de5\u5177\u94fe\u3002<\/p>\n<p>\u6211\u901a\u5e38\u9009\u62e9\u4f7f\u7528\u5916\u90e8\u5de5\u5177\u94fe\uff0c\u56e0\u4e3a\u8fd9\u6837\u7f16\u8bd1\u901f\u5ea6\u66f4\u5feb\u3002<\/p>\n<p><strong>System configuration<\/strong>: \u914d\u7f6e\u7cfb\u7edf\u4e3b\u673a\u540d\u3001root \u5bc6\u7801\u3001\u542f\u52a8\u811a\u672c\u7b49\u3002<\/p>\n<p><strong>Filesystem images<\/strong>: \u9009\u62e9\u751f\u6210\u7684\u6587\u4ef6\u7cfb\u7edf\u683c\u5f0f\uff0c\u5982 ext4\u3001tar\u3001cpio \u7b49\u3002<\/p>\n<p><strong>Package Selection<\/strong>: \u9009\u62e9\u9700\u8981\u5305\u542b\u7684\u8f6f\u4ef6\u5305\uff0c\u5982 busybox\u3001\u7f51\u7edc\u5de5\u5177\u3001\u5f00\u53d1\u5e93\u7b49\u3002<\/p>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\u6267\u884c\u7f16\u8bd1:<\/p>\n<pre><code>make -j8<\/code><\/pre>\n<p>\u7f16\u8bd1\u8fc7\u7a0b\u53ef\u80fd\u9700\u8981\u8f83\u957f\u65f6\u95f4\uff0c\u56e0\u4e3a Buildroot \u4f1a\u4e0b\u8f7d\u5e76\u7f16\u8bd1\u6240\u6709\u9009\u4e2d\u7684\u8f6f\u4ef6\u5305\u3002<\/p>\n<p>\u7f16\u8bd1\u5b8c\u6210\u540e\uff0c\u751f\u6210\u7684\u6839\u6587\u4ef6\u7cfb\u7edf\u4f4d\u4e8e <code>output\/images<\/code> \u76ee\u5f55\u4e0b\u3002<\/p>\n<h3>5.2 \u624b\u52a8\u6784\u5efa\u6839\u6587\u4ef6\u7cfb\u7edf<\/h3>\n<p>\u9664\u4e86\u4f7f\u7528 Buildroot\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u624b\u52a8\u6784\u5efa\u6839\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u66f4\u52a0\u7075\u6d3b\uff0c\u4f46\u9700\u8981\u66f4\u591a\u7684\u5de5\u4f5c\u91cf\u3002\u57fa\u672c\u6b65\u9aa4\u5982\u4e0b:<\/p>\n<pre><code># \u521b\u5efa\u6839\u6587\u4ef6\u7cfb\u7edf\u76ee\u5f55\u7ed3\u6784\nmkdir rootfs\ncd rootfs\nmkdir -p bin sbin lib usr\/bin usr\/sbin usr\/lib etc dev proc sys tmp var home root\n\n# \u5b89\u88c5busybox\ncd \/path\/to\/busybox\nmake ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- defconfig\nmake ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -j8\nmake ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- CONFIG_PREFIX=\/path\/to\/rootfs install\n\n# \u590d\u5236\u5fc5\u8981\u7684\u5e93\u6587\u4ef6\ncd \/path\/to\/toolchain\/arm-linux-gnueabihf\/libc\/lib\ncp -a *.so* \/path\/to\/rootfs\/lib\/\n\n# \u521b\u5efa\u8bbe\u5907\u8282\u70b9\ncd \/path\/to\/rootfs\/dev\nsudo mknod console c 5 1\nsudo mknod null c 1 3<\/code><\/pre>\n<h3>5.3 \u914d\u7f6e\u6839\u6587\u4ef6\u7cfb\u7edf<\/h3>\n<p>\u521b\u5efa\u57fa\u672c\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5982 <code>\/etc\/inittab<\/code>\u3001<code>\/etc\/fstab<\/code> \u7b49:<\/p>\n<pre><code># \/etc\/inittab\n::sysinit:\/etc\/init.d\/rcS\n::respawn:\/sbin\/getty -L ttySTM0 115200 vt100\n::shutdown:\/bin\/umount -a -r\n::restart:\/sbin\/init\n\n# \/etc\/fstab\nproc    \/proc   proc    defaults    0   0\nsysfs   \/sys    sysfs   defaults    0   0\ntmpfs   \/tmp    tmpfs   defaults    0   0\n\n# \/etc\/init.d\/rcS\n#!\/bin\/sh\nmount -a\necho &quot;System initialization complete&quot;<\/code><\/pre>\n<p>\u8fd9\u4e9b\u914d\u7f6e\u6587\u4ef6\u5b9a\u4e49\u4e86\u7cfb\u7edf\u542f\u52a8\u6d41\u7a0b\u3001\u6587\u4ef6\u7cfb\u7edf\u6302\u8f7d\u7b49\u57fa\u672c\u884c\u4e3a\u3002<\/p>\n<h2>6. \u7cfb\u7edf\u70e7\u5199\u4e0e\u542f\u52a8<\/h2>\n<h3>6.1 \u5236\u4f5c SD \u5361\u542f\u52a8\u76d8<\/h3>\n<p>\u5c06\u7f16\u8bd1\u597d\u7684\u5404\u4e2a\u7ec4\u4ef6\u70e7\u5199\u5230 SD \u5361\u4e2d:<\/p>\n<pre><code># \u5206\u533a(\u5047\u8bbeSD\u5361\u4e3a\/dev\/sdb)\nsudo fdisk \/dev\/sdb\n# \u521b\u5efa\u4e24\u4e2a\u5206\u533a:\n# \u7b2c\u4e00\u4e2a\u5206\u533a: 100MB\uff0c FAT32\uff0c \u7528\u4e8e\u5b58\u653e\u5185\u6838\u548c\u8bbe\u5907\u6811\n# \u7b2c\u4e8c\u4e2a\u5206\u533a: \u5269\u4f59\u7a7a\u95f4\uff0c ext4\uff0c \u7528\u4e8e\u6839\u6587\u4ef6\u7cfb\u7edf\n\n# \u683c\u5f0f\u5316\u5206\u533a\nsudo mkfs.vfat \/dev\/sdb1\nsudo mkfs.ext4 \/dev\/sdb2\n\n# \u6302\u8f7d\u5206\u533a\nsudo mount \/dev\/sdb1 \/mnt\/boot\nsudo mount \/dev\/sdb2 \/mnt\/rootfs\n\n# \u590d\u5236\u6587\u4ef6\nsudo cp zImage \/mnt\/boot\/\nsudo cp stm32mp157c-myboard.dtb \/mnt\/boot\/\nsudo cp -a rootfs\/* \/mnt\/rootfs\/\n\n# \u5378\u8f7d\nsudo umount \/mnt\/boot\nsudo umount \/mnt\/rootfs<\/code><\/pre>\n<h3>6.2 \u914d\u7f6e U-Boot \u542f\u52a8\u53c2\u6570<\/h3>\n<p>\u5c06 SD \u5361\u63d2\u5165\u5f00\u53d1\u677f\uff0c\u4e0a\u7535\u542f\u52a8\uff0c\u8fdb\u5165 U-Boot \u547d\u4ee4\u884c\uff0c\u914d\u7f6e\u542f\u52a8\u53c2\u6570:<\/p>\n<pre><code># \u8bbe\u7f6ebootargs\nsetenv bootargs 'console=ttySTM0\uff0c115200 root=\/dev\/mmcblk0p2 rootwait rw'\n\n# \u8bbe\u7f6ebootcmd\nsetenv bootcmd 'fatload mmc 0:1 0xc2000000 zImage; fatload mmc 0:1 0xc4000000 stm32mp157c-myboard.dtb; bootz 0xc2000000 - 0xc4000000'\n\n# \u4fdd\u5b58\u73af\u5883\u53d8\u91cf\nsaveenv\n\n# \u542f\u52a8\u7cfb\u7edf\nboot<\/code><\/pre>\n<p>\u5982\u679c\u4e00\u5207\u914d\u7f6e\u6b63\u786e\uff0c\u7cfb\u7edf\u5e94\u8be5\u80fd\u591f\u6b63\u5e38\u542f\u52a8\uff0c\u6700\u7ec8\u8fdb\u5165\u767b\u5f55\u754c\u9762\u3002<\/p>\n<h2>7. \u7cfb\u7edf\u4f18\u5316\u4e0e\u8c03\u8bd5<\/h2>\n<h3>7.1 \u542f\u52a8\u65f6\u95f4\u4f18\u5316<\/h3>\n<p>\u5728\u5f88\u591a\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5feb\u901f\u542f\u52a8\u662f\u4e00\u4e2a\u91cd\u8981\u9700\u6c42\u3002<\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u4f18\u5316\u542f\u52a8\u65f6\u95f4:<\/p>\n<p><strong>\u7cbe\u7b80\u5185\u6838<\/strong>: \u53bb\u6389\u4e0d\u5fc5\u8981\u7684\u9a71\u52a8\u548c\u529f\u80fd\u6a21\u5757\uff0c\u51cf\u5c0f\u5185\u6838\u4f53\u79ef\u3002<\/p>\n<p><strong>\u5e76\u884c\u542f\u52a8<\/strong>: \u4fee\u6539\u542f\u52a8\u811a\u672c\uff0c\u8ba9\u591a\u4e2a\u670d\u52a1\u5e76\u884c\u542f\u52a8\u800c\u4e0d\u662f\u4e32\u884c\u542f\u52a8\u3002<\/p>\n<p><strong>\u4f7f\u7528\u9759\u6001\u94fe\u63a5<\/strong>: \u51cf\u5c11\u52a8\u6001\u5e93\u52a0\u8f7d\u65f6\u95f4\u3002<\/p>\n<p><strong>\u5ef6\u8fdf\u52a0\u8f7d<\/strong>: \u5c06\u975e\u5173\u952e\u670d\u52a1\u5ef6\u8fdf\u5230\u7cfb\u7edf\u542f\u52a8\u540e\u518d\u52a0\u8f7d\u3002<\/p>\n<p>\u6211\u5728\u4e00\u4e2a\u8f66\u8f7d\u9879\u76ee\u4e2d\uff0c\u901a\u8fc7\u8fd9\u4e9b\u4f18\u5316\u624b\u6bb5\uff0c\u5c06\u7cfb\u7edf\u542f\u52a8\u65f6\u95f4\u4ece 15 \u79d2\u7f29\u77ed\u5230\u4e86 5 \u79d2\u4ee5\u5185\u3002<\/p>\n<h3>7.2 \u8c03\u8bd5\u6280\u5de7<\/h3>\n<p>\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u96be\u514d\u4f1a\u9047\u5230\u5404\u79cd\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u8c03\u8bd5\u6280\u5de7:<\/p>\n<p><strong>\u4e32\u53e3\u8c03\u8bd5<\/strong>: \u8fd9\u662f\u6700\u57fa\u672c\u4e5f\u662f\u6700\u91cd\u8981\u7684\u8c03\u8bd5\u624b\u6bb5\u3002<\/p>\n<p>\u901a\u8fc7\u4e32\u53e3\u53ef\u4ee5\u770b\u5230\u5185\u6838\u542f\u52a8\u65e5\u5fd7\u3001\u5e94\u7528\u7a0b\u5e8f\u8f93\u51fa\u7b49\u4fe1\u606f\u3002<\/p>\n<p><strong>\u7f51\u7edc\u8c03\u8bd5<\/strong>: \u914d\u7f6e\u597d\u7f51\u7edc\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7 SSH \u8fdc\u7a0b\u767b\u5f55\u7cfb\u7edf\uff0c\u4f7f\u7528 gdb \u8fdb\u884c\u8fdc\u7a0b\u8c03\u8bd5\u3002<\/p>\n<p><strong>\u5185\u6838\u65e5\u5fd7<\/strong>: \u4f7f\u7528 <code>dmesg<\/code> \u547d\u4ee4\u67e5\u770b\u5185\u6838\u65e5\u5fd7\uff0c\u5206\u6790\u9a71\u52a8\u52a0\u8f7d\u3001\u786c\u4ef6\u521d\u59cb\u5316\u7b49\u4fe1\u606f\u3002<\/p>\n<p><strong>procfs \u548c sysfs<\/strong>: \u901a\u8fc7 <code>\/proc<\/code> \u548c <code>\/sys<\/code> \u76ee\u5f55\u53ef\u4ee5\u67e5\u770b\u7cfb\u7edf\u8fd0\u884c\u72b6\u6001\u3001\u786c\u4ef6\u4fe1\u606f\u7b49\u3002<\/p>\n<pre><code># \u67e5\u770bCPU\u4fe1\u606f\ncat \/proc\/cpuinfo\n\n# \u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\ncat \/proc\/meminfo\n\n# \u67e5\u770b\u8bbe\u5907\u6811\u4fe1\u606f\nls \/proc\/device-tree\/\n\n# \u67e5\u770bGPIO\u72b6\u6001\ncat \/sys\/class\/gpio\/export<\/code><\/pre>\n<h3>7.3 \u6027\u80fd\u4f18\u5316<\/h3>\n<p>\u5bf9\u4e8e\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u4f18\u5316:<\/p>\n<p><strong>\u7f16\u8bd1\u5668\u4f18\u5316<\/strong>: \u4f7f\u7528 <code>-O2<\/code> \u6216 <code>-O3<\/code> \u4f18\u5316\u7ea7\u522b\u7f16\u8bd1\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p><strong>\u5b9e\u65f6\u6027\u4f18\u5316<\/strong>: \u5982\u679c\u9700\u8981\u5b9e\u65f6\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528 RT-Preempt \u8865\u4e01\uff0c\u6216\u8005\u914d\u7f6e\u5185\u6838\u4e3a\u4f4e\u5ef6\u8fdf\u6a21\u5f0f\u3002<\/p>\n<p><strong>\u5185\u5b58\u7ba1\u7406<\/strong>: \u5408\u7406\u914d\u7f6e\u5185\u5b58\u5206\u914d\u5668\uff0c\u4f7f\u7528\u5185\u5b58\u6c60\u7b49\u6280\u672f\u51cf\u5c11\u5185\u5b58\u788e\u7247\u3002<\/p>\n<p><strong>I\/O \u4f18\u5316<\/strong>: \u4f7f\u7528 DMA \u4f20\u8f93\u3001\u5f02\u6b65 I\/O \u7b49\u6280\u672f\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u6548\u7387\u3002<\/p>\n<p>\u5728\u6211\u4e4b\u524d\u7684\u9879\u76ee\u4e2d\uff0c\u901a\u8fc7\u8fd9\u4e9b\u4f18\u5316\uff0c\u5c06 CAN \u603b\u7ebf\u7684\u54cd\u5e94\u5ef6\u8fdf\u4ece 10ms \u964d\u4f4e\u5230\u4e86 2ms \u4ee5\u5185\uff0c\u5927\u5927\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u80fd\u3002<\/p>\n<h2>8. \u603b\u7ed3<\/h2>\n<p>\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u7684\u5b89\u88c5\u548c\u914d\u7f6e\u662f\u4e00\u4e2a\u7cfb\u7edf\u5de5\u7a0b\uff0c\u6d89\u53ca\u5230 Bootloader\u3001\u5185\u6838\u3001\u6839\u6587\u4ef6\u7cfb\u7edf\u7b49\u591a\u4e2a\u7ec4\u6210\u90e8\u5206\u3002<\/p>\n<p>\u867d\u7136\u8fc7\u7a0b\u770b\u8d77\u6765\u590d\u6742\uff0c\u4f46\u53ea\u8981\u6309\u7167\u6b63\u786e\u7684\u6b65\u9aa4\u4e00\u6b65\u6b65\u6765\uff0c\u5e76\u5728\u5b9e\u8df5\u4e2d\u4e0d\u65ad\u79ef\u7d2f\u7ecf\u9a8c\uff0c\u5c31\u80fd\u591f\u719f\u7ec3\u638c\u63e1\u3002<\/p>\n<p>\u6211\u4ece\u6700\u521d\u63a5\u89e6\u5d4c\u5165\u5f0f Linux \u5230\u73b0\u5728\uff0c\u4e5f\u662f\u7ecf\u5386\u4e86\u65e0\u6570\u6b21\u7684\u5931\u8d25\u548c\u8c03\u8bd5\uff0c\u624d\u9010\u6e10\u6478\u7d22\u51fa\u4e86\u4e00\u5957\u9ad8\u6548\u7684\u5f00\u53d1\u6d41\u7a0b\u3002<\/p>\n<p>\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u591f\u5e2e\u52a9\u5927\u5bb6\u5c11\u8d70\u4e00\u4e9b\u5f2f\u8def\uff0c\u66f4\u5feb\u5730\u638c\u63e1\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u7684\u5f00\u53d1\u6280\u80fd\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u786c\u4ef6\u5e73\u53f0\u548c\u5e94\u7528\u9700\u6c42\uff0c\u5bf9\u7cfb\u7edf\u8fdb\u884c\u6df1\u5ea6\u5b9a\u5236\u548c\u4f18\u5316\u3002<\/p>\n<p>\u8fd9\u9700\u8981\u6211\u4eec\u4e0d\u65ad\u5b66\u4e60\u65b0\u7684\u6280\u672f\uff0c\u79ef\u7d2f\u66f4\u591a\u7684\u5b9e\u6218\u7ecf\u9a8c\u3002<\/p>\n<p>\u5d4c\u5165\u5f0f Linux \u7684\u4e16\u754c\u535a\u5927\u7cbe\u6df1\uff0c\u503c\u5f97\u6211\u4eec\u6301\u7eed\u63a2\u7d22\u548c\u94bb\u7814\u3002<\/p>\n<p><strong>\u66f4\u591a\u7f16\u7a0b\u5b66\u4e60\u8d44\u6e90<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=Ko8F%2B6mWhZCvykBs56%2FAww%3D%3D.JTVeCmVJHGebB865K7S64OMvoJ0nuPndA9MyxR7XyfLPsNv4wqB10bn%2FyLez6uVzmkuvcTIb2DNVtE5ixYyL0A%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">C \u8bed\u8a00\u96f6\u57fa\u7840\u5165\u95e8\u7535\u5b50\u4e66-2026 \u6700\u65b0\u7248<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=kbd09%2Bykrh4bOuhhy7Eizw%3D%3D.Rh1EHUChjYvvx0dxZkqQyhZ1USHmnhneJb3B4SyGTd9zMZQ4OiVdpe6689sHqEKy%2Fu6733lfNWhVF0p46t4zUA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">STM32 \u96f6\u57fa\u7840\u5165\u95e8\u7535\u5b50\u4e66-2026 \u6700\u65b0\u7248<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=0UyNRcmhKoOyks%2BP54fE0g%3D%3D.uv3imAObJ0DcQVzYxTRaSJq%2Bk2ugQy9zyEfj3XkiHnxJOrM3KaxsJLzohqpT0s%2F1LGqvlewnneonBtTbRta%2FT%2BWLed2XkoXvhimGyqqQAew%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">FreeRTOS \u96f6\u57fa\u7840\u5165\u95e8\u7535\u5b50\u4e66-2026 \u6700\u65b0\u7248<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=p5eBYcoVxdVfywultjO2Sg%3D%3D.XlY%2FcWDv3fxwhRot%2BpJcZfKgCFF%2B9rKiUel8hq9Ma%2Bbex9nTcslzAsoYTq60v%2BEqZh1J0idfK4%2FMKIMlc4NVQw%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">C++ \u96f6\u57fa\u7840\u5165\u95e8\u7535\u5b50\u4e66-2026 \u6700\u65b0\u7248<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=v3xEfjJeyTY2RrH8cTvDmw%3D%3D.G2JaukQwQIhWSgAn3O6lbxiKuxXi56zSDfCNGBjCiBIG8ESqU2rTvSaCe3FLNPsGKhB5fgK9YDS3nr81LKNkRw%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">51 \u5355\u7247\u673a\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=aQWsRhhMNqVOqrC%2BKrqEMw%3D%3D.QrGJRwdgig%2FOdF3mrvTTnIeBXt3Uoqgj1sAazCpu7K05QFweE2G8kk7JPoc9GfWKy5tP2EQpb%2F2rHz0Q6PXQug%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">AD \u753b\u677f\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=pFNh%2F9yVIwr%2BuvrNXkX%2B6g%3D%3D.F2Ig%2F3Qnp63YMlxxVH%2FcC4fszVPL3KU6kWxKFmlRt36TEVwwJShpCQw2AN70NTEpdoraKs1idu4045jjkvto6w%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">C \u8bed\u8a00\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=KA6yStxC65MR6TbU2EUfaQ%3D%3D.yORy0oj6CW%2BqThafgFija8Qqjw%2F450oPjCV5E9XdaBKBhpVWFIKlVmt0oHfu7F4Hg3jWZe5%2FZSiTCewtSI8Txg%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">C++ \u8bed\u8a00\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=nGLCSUfDhMnWrDYdg1cfwA%3D%3D.zdxl9YvEaurKkxfXkw3Zh7Cin5QLYtLW8eol80Hs5bc0heFrHX8ke0wpt02eYhf2fkvAkqFuTLJMKzrXbbuenbnHbB1PUbPPZQCuXuPRUqg%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">ESP32 \u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=Vmu%2BxpD4FPNd96oBPr1AdQ%3D%3D.IUmCPc2WtHWTENCaotWGO%2BK2fNSISo8O5Cy2Qr1kajACBPF2KtnAweIxtXndVvRcLwA7H4lMDAFIaO%2F8fjlRD5uPSku2vs8eq%2FM99KywHdI%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">FreeRTOS \u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=GrDs1SGOj9s%2BjittMw0n8g%3D%3D.kuxGQT1fWHm8qD7V2GXB08pQ9jcSiawKD4kDXzcSm94dbaQeztBjf24w0IWT4aHrKZmQWAAHxVGdBPQZB1kzGb4g%2F%2FA9nUCd1Cj2gesKECo%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Linux \u5e94\u7528\u5f00\u53d1\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=Q8h397s1vJK3qoze7vCQsA%3D%3D.A9SkKtjHmSL%2FD5RChXlSDF91nG2%2BAJFqKrDo%2Bu%2B%2FJCoLsI73aqgb7JN1q%2Bn5FTFrsriGE6qfVnoCmscpsbIcUpH%2F27WGozf3NQerSRdz2jc%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Linux \u5e95\u5c42\u5f00\u53d1\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=zN%2Fh1o1umQ0yC6LJtaxs5A%3D%3D.zFqwzhkifNDWNUgNgYgRt6YeY6HftMDQG0m8FqSuci6DuVont9vy7jnEhFwkkarBru62s7U1DRrURMlJ9MkADQ%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">LVGL \u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=7%2Fj2Dg9Hu572vqiys%2FgrFQ%3D%3D.8RbqfyEej7LUJSJmK1sJyu%2FWO4BUmdqkUW4aa9iagUvPYx1wMbgwddJ8IaDNYLzyDWUxjYg26ANnqz67XQR8iA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">QT \u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=JQLYhRUOUpLl3hm5sj%2F4Fw%3D%3D.LLp4xbph%2Fee5D2Qd84yAJln8vyXjWSamd%2B%2BzzjMNN8X%2BisFiHhnd9ynGwzrHRgG1pjSamsIe%2FWMSdwuazvAfYF7JK06QY%2BhUTLh3WC1i3aw%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">STM32 \u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<\/ul>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000047653965\">https:\/\/segmentfault.com\/a\/1190000047653965<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u826f\u8bb8\u3002 \u6700\u8fd1\u6709\u4e0d\u5c11\u8bfb\u8005\u670b\u53cb\u95ee\u6211\u5173\u4e8e\u5d4c\u5165\u5f0f Linux \u7cfb\u7edf\u5982\u4f55\u5b89\u88c5\u548c\u914d\u7f6e\u7684\u95ee\u9898\u3002 \u4f5c\u4e3a\u4e00\u540d\u4ece\u4e8b\u5d4c\u5165 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10021310","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10021310"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021310\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10021310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10021310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10021310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}