{"id":59612,"date":"2026-01-14T08:09:06","date_gmt":"2026-01-14T00:09:06","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/59612.html"},"modified":"2026-01-14T08:09:06","modified_gmt":"2026-01-14T00:09:06","slug":"linux6-19-arm64-boot%e6%a8%a1%e5%9d%97%e6%95%b4%e4%bd%93%e6%9e%b6%e6%9e%84%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/59612.html","title":{"rendered":"Linux6.19-ARM64 boot\u6a21\u5757\u6574\u4f53\u67b6\u6784\u5206\u6790"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>1. \u6982\u8ff0<\/li>\n<li>2. \u8f6f\u4ef6\u67b6\u6784\u56fe<\/li>\n<li>3. \u8c03\u7528\u6d41\u7a0b\u56fe<\/li>\n<li>4. UML\u7c7b\u56fe<\/li>\n<li>5. \u6e90\u7801\u6df1\u5ea6\u5206\u6790<\/li>\n<li>\n<ul>\n<li>5.1 ARM64\u5f15\u5bfc\u7cfb\u7edf\u6574\u4f53\u67b6\u6784\u5206\u6790<\/li>\n<li>\n<ul>\n<li>5.1.1 \u5f15\u5bfc\u6d41\u7a0b\u6838\u5fc3\u5b9e\u73b0<\/li>\n<li>5.1.2 EFI\u5f15\u5bfc\u534f\u8bae\u5b9e\u73b0<\/li>\n<\/ul>\n<\/li>\n<li>5.2 \u6027\u80fd\u4f18\u5316\u548c\u6784\u5efa\u4f18\u5316\u5206\u6790<\/li>\n<li>\n<ul>\n<li>5.2.1 \u5f15\u5bfc\u65f6\u95f4\u4f18\u5316<\/li>\n<li>5.2.2 \u6784\u5efa\u4f18\u5316\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<li>5.3 \u5b89\u5168\u9a8c\u8bc1\u548c\u5f15\u5bfc\u5b89\u5168\u5206\u6790<\/li>\n<li>\n<ul>\n<li>5.3.1 \u5f15\u5bfc\u65f6\u5b89\u5168\u9a8c\u8bc1<\/li>\n<li>5.3.2 \u5f15\u5bfc\u8fc7\u7a0b\u5b89\u5168\u76d1\u63a7<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>6. \u8bbe\u8ba1\u6a21\u5f0f\u5206\u6790<\/li>\n<li>\n<ul>\n<li>6.1 \u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u5728\u5f15\u5bfc\u6d41\u7a0b\u4e2d\u7684\u4f53\u73b0<\/li>\n<li>6.2 \u7b56\u7565\u6a21\u5f0f\u5728\u955c\u50cf\u538b\u7f29\u7b56\u7565\u4e2d\u7684\u4f53\u73b0<\/li>\n<li>6.3 \u89c2\u5bdf\u8005\u6a21\u5f0f\u5728\u5f15\u5bfc\u4e8b\u4ef6\u76d1\u63a7\u4e2d\u7684\u4f53\u73b0<\/li>\n<\/ul>\n<\/li>\n<li>7. \u72b6\u6001\u673a\u5206\u6790<\/li>\n<li>8. \u6027\u80fd\u4f18\u5316\u5206\u6790<\/li>\n<li>\n<ul>\n<li>8.1 \u5f15\u5bfc\u65f6\u95f4\u4f18\u5316<\/li>\n<li>8.2 \u955c\u50cf\u538b\u7f29\u4f18\u5316<\/li>\n<\/ul>\n<\/li>\n<li>9. \u5b89\u5168\u6027\u8003\u8651<\/li>\n<li>\n<ul>\n<li>9.1 \u5f15\u5bfc\u65f6\u5b89\u5168\u9a8c\u8bc1<\/li>\n<li>9.2 \u8fd0\u884c\u65f6\u5b89\u5168\u76d1\u63a7<\/li>\n<\/ul>\n<\/li>\n<li>10. \u6269\u5c55\u6027\u5206\u6790<\/li>\n<li>\n<ul>\n<li>10.1 \u591a\u67b6\u6784\u5f15\u5bfc\u652f\u6301<\/li>\n<li>10.2 \u5f15\u5bfc\u529f\u80fd\u6269\u5c55<\/li>\n<\/ul>\n<\/li>\n<li>11. \u8c03\u8bd5\u548c\u7ef4\u62a4<\/li>\n<li>\n<ul>\n<li>11.1 \u5f15\u5bfc\u8c03\u8bd5\u652f\u6301<\/li>\n<li>11.2 \u5f15\u5bfc\u7ef4\u62a4\u5de5\u5177<\/li>\n<\/ul>\n<\/li>\n<li>12. \u672a\u6765\u53d1\u5c55\u65b9\u5411<\/li>\n<li>13. \u603b\u7ed3<\/li>\n<\/ul>\n<hr \/>\n<p>\u2003\u2003\u56e2\u961f\u535a\u5ba2: \u6c7d\u8f66\u7535\u5b50\u793e\u533a<\/p>\n<hr \/>\n<h2>1. \u6982\u8ff0<\/h2>\n<p>\u2003\u2003ARM64 boot\u6a21\u5757\u662fLinux\u5185\u6838ARM64\u67b6\u6784\u5f15\u5bfc\u7cfb\u7edf\u7684\u6838\u5fc3\u7ec4\u4ef6&#xff0c;\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u5185\u6838\u955c\u50cf\u6784\u5efa\u3001\u8bbe\u5907\u6811\u7ba1\u7406\u3001EFI\u5f15\u5bfc\u652f\u6301\u548c\u7cfb\u7edf\u542f\u52a8\u6d41\u7a0b\u3002\u8be5\u6a21\u5757\u4f5c\u4e3aARM64\u5e73\u53f0\u5185\u6838\u542f\u52a8\u7684\u57fa\u7840\u8bbe\u65bd&#xff0c;\u5b9e\u73b0\u4e86\u4ece\u88f8\u673a\u5f15\u5bfc\u5230\u5185\u6838\u521d\u59cb\u5316\u7684\u5b8c\u6574\u6d41\u7a0b&#xff0c;\u662fARM64\u5e73\u53f0\u7cfb\u7edf\u5f15\u5bfc\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002<\/p>\n<p>\u2003\u2003ARM64 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markdown-node-label\"><\/p>\n<p>&#043;validateDeviceTree()<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>EFIBootManager<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>&#043;initializeEFI()<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>&#043;locateKernelImage()<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>&#043;setupBootServices()<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>&#043;handleSecureBoot()<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>BootLoaderInterface<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>&#043;parseBootArguments()<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>&#043;setupMemoryMap()<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>&#043;initializeHardware()<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>&#043;jumpToKernel()<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>KernelImageProcessor<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>ImageCompressor<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>IntegrityChecker<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>DTSCompiler<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>OverlayManager<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>ValidationEngine<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>ProtocolHandler<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>SecurityManager<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>ServiceManager<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>ArgumentParser<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>MemoryMapper<\/p>\n<p><\/span><\/p>\n<p>          <span class=\"nodeLabel markdown-node-label\"><\/p>\n<p>HardwareInitializer<\/p>\n<p><\/span><\/p>\n<h2>5. \u6e90\u7801\u6df1\u5ea6\u5206\u6790<\/h2>\n<h3>5.1 ARM64\u5f15\u5bfc\u7cfb\u7edf\u6574\u4f53\u67b6\u6784\u5206\u6790<\/h3>\n<h4>5.1.1 \u5f15\u5bfc\u6d41\u7a0b\u6838\u5fc3\u5b9e\u73b0<\/h4>\n<p>\u2003\u2003ARM64\u5f15\u5bfc\u7cfb\u7edf\u7684\u6838\u5fc3\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ ARM64\u5f15\u5bfc\u7cfb\u7edf\u4e3b\u63a7\u5236\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">arm64_boot_system<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u955c\u50cf\u6784\u5efa\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">image_builder<\/span> img_builder<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u5907\u6811\u7ba1\u7406\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">device_tree_manager<\/span> dt_manager<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ EFI\u5f15\u5bfc\u7ba1\u7406\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">efi_boot_manager<\/span> efi_manager<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u542f\u52a8\u6d41\u7a0b\u63a7\u5236\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_flow_controller<\/span> flow_ctrl<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9519\u8bef\u5904\u7406\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_error_handler<\/span> err_handler<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u7cfb\u7edf\u521d\u59cb\u5316<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">arm64_boot_system_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u955c\u50cf\u6784\u5efa\u5668<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">image_builder_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>boot_system<span class=\"token punctuation\">.<\/span>img_builder<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u8bbe\u5907\u6811\u7ba1\u7406\u5668<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">device_tree_manager_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>boot_system<span class=\"token punctuation\">.<\/span>dt_manager<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup_img<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316EFI\u5f15\u5bfc\u7ba1\u7406\u5668<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_boot_manager_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>boot_system<span class=\"token punctuation\">.<\/span>efi_manager<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup_dt<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u542f\u52a8\u6d41\u7a0b\u63a7\u5236\u5668<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">boot_flow_controller_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>boot_system<span class=\"token punctuation\">.<\/span>flow_ctrl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup_efi<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u9519\u8bef\u5904\u7406\u5668<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">boot_error_handler_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>boot_system<span class=\"token punctuation\">.<\/span>err_handler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup_flow<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>cleanup_flow<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">boot_flow_controller_exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>boot_system<span class=\"token punctuation\">.<\/span>flow_ctrl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\ncleanup_efi<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">efi_boot_manager_exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>boot_system<span class=\"token punctuation\">.<\/span>efi_manager<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\ncleanup_dt<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">device_tree_manager_exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>boot_system<span class=\"token punctuation\">.<\/span>dt_manager<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\ncleanup_img<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">image_builder_exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>boot_system<span class=\"token punctuation\">.<\/span>img_builder<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5185\u6838\u955c\u50cf\u6784\u5efa\u6d41\u7a0b<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">build_kernel_image<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">image_build_request<\/span> <span class=\"token operator\">*<\/span>req<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">kernel_image<\/span> <span class=\"token operator\">*<\/span>image<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u955c\u50cf\u5bf9\u8c61<\/span><br \/>\n    image <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">kernel_image_create<\/span><span class=\"token punctuation\">(<\/span>req<span class=\"token operator\">-&gt;<\/span>kernel_path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>image<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span>ENOMEM<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5e94\u7528\u91cd\u5b9a\u4f4d<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">apply_kernel_relocation<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> req<span class=\"token operator\">-&gt;<\/span>load_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5f15\u5bfc\u53c2\u6570<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">setup_boot_parameters<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> req<span class=\"token operator\">-&gt;<\/span>boot_args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u538b\u7f29\u955c\u50cf&#xff08;\u5982\u679c\u9700\u8981&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>req<span class=\"token operator\">-&gt;<\/span>compression_type <span class=\"token operator\">!&#061;<\/span> COMPRESSION_NONE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">compress_kernel_image<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> req<span class=\"token operator\">-&gt;<\/span>compression_type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">goto<\/span> cleanup<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u751f\u6210\u6700\u7ec8\u955c\u50cf<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">generate_final_image<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> req<span class=\"token operator\">-&gt;<\/span>output_path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u955c\u50cf\u5b8c\u6574\u6027<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_image_integrity<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>cleanup<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">kernel_image_destroy<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u5907\u6811\u5904\u7406\u6d41\u7a0b<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">process_device_tree<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">dt_process_request<\/span> <span class=\"token operator\">*<\/span>req<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">device_tree<\/span> <span class=\"token operator\">*<\/span>dt<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u52a0\u8f7d\u57fa\u7840\u8bbe\u5907\u6811<\/span><br \/>\n    dt <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">device_tree_load<\/span><span class=\"token punctuation\">(<\/span>req<span class=\"token operator\">-&gt;<\/span>base_dt_path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>dt<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span>ENOENT<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5e94\u7528\u5e73\u53f0\u7279\u5b9a\u8986\u76d6<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">apply_platform_overlays<\/span><span class=\"token punctuation\">(<\/span>dt<span class=\"token punctuation\">,<\/span> req<span class=\"token operator\">-&gt;<\/span>platform_overlays<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5e94\u7528\u8fd0\u884c\u65f6\u914d\u7f6e<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">apply_runtime_configuration<\/span><span class=\"token punctuation\">(<\/span>dt<span class=\"token punctuation\">,<\/span> req<span class=\"token operator\">-&gt;<\/span>runtime_config<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7f16\u8bd1\u8bbe\u5907\u6811<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">compile_device_tree<\/span><span class=\"token punctuation\">(<\/span>dt<span class=\"token punctuation\">,<\/span> req<span class=\"token operator\">-&gt;<\/span>output_format<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">goto<\/span> cleanup<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4fdd\u5b58\u7f16\u8bd1\u540e\u7684\u8bbe\u5907\u6811<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">save_compiled_device_tree<\/span><span class=\"token punctuation\">(<\/span>dt<span class=\"token punctuation\">,<\/span> req<span class=\"token operator\">-&gt;<\/span>output_path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>cleanup<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">device_tree_unload<\/span><span class=\"token punctuation\">(<\/span>dt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u2003\u2003\u5f15\u5bfc\u67b6\u6784\u7279\u70b9&#xff1a;<\/p>\n<p>\u2003\u2003\u2003\u20031. \u6a21\u5757\u5316\u8bbe\u8ba1&#xff1a;\u6e05\u6670\u7684\u6784\u5efa\u3001\u8bbe\u5907\u6811\u3001EFI\u5f15\u5bfc\u548c\u542f\u52a8\u6d41\u7a0b\u6a21\u5757\u5212\u5206 \u2003\u2003\u2003\u20032. \u591a\u5f15\u5bfc\u652f\u6301&#xff1a;EFI\u548c\u4f20\u7edf\u5f15\u5bfc\u7684\u53cc\u91cd\u652f\u6301 \u2003\u2003\u2003\u20033. \u5b8c\u6574\u6027\u4fdd\u8bc1&#xff1a;\u955c\u50cf\u548c\u8bbe\u5907\u6811\u7684\u5b8c\u6574\u6027\u9a8c\u8bc1\u673a\u5236 \u2003\u2003\u2003\u20034. \u9519\u8bef\u5904\u7406&#xff1a;\u5b8c\u5584\u7684\u5f15\u5bfc\u9519\u8bef\u68c0\u6d4b\u548c\u6062\u590d<\/p>\n<h4>5.1.2 EFI\u5f15\u5bfc\u534f\u8bae\u5b9e\u73b0<\/h4>\n<p>\u2003\u2003EFI\u5f15\u5bfc\u534f\u8bae\u7684\u6838\u5fc3\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ EFI\u5f15\u5bfc\u7ba1\u7406\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">efi_boot_manager<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ EFI\u7cfb\u7edf\u8868<\/span><br \/>\n    <span class=\"token class-name\">efi_system_table_t<\/span> <span class=\"token operator\">*<\/span>system_table<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f15\u5bfc\u670d\u52a1<\/span><br \/>\n    <span class=\"token class-name\">efi_boot_services_t<\/span> <span class=\"token operator\">*<\/span>boot_services<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8fd0\u884c\u65f6\u670d\u52a1<\/span><br \/>\n    <span class=\"token class-name\">efi_runtime_services_t<\/span> <span class=\"token operator\">*<\/span>runtime_services<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u52a0\u8f7d\u7684\u6620\u50cf<\/span><br \/>\n    <span class=\"token class-name\">efi_loaded_image_t<\/span> <span class=\"token operator\">*<\/span>loaded_image<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5185\u5b58\u6620\u5c04<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">efi_memory_map<\/span> memory_map<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f15\u5bfc\u53c2\u6570<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_parameters<\/span> boot_params<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ EFI\u5f15\u5bfc\u521d\u59cb\u5316<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">efi_boot_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">efi_system_table_t<\/span> <span class=\"token operator\">*<\/span>sys_table<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4fdd\u5b58\u7cfb\u7edf\u8868\u6307\u9488<\/span><br \/>\n    efi_manager<span class=\"token punctuation\">.<\/span>system_table <span class=\"token operator\">&#061;<\/span> sys_table<span class=\"token punctuation\">;<\/span><br \/>\n    efi_manager<span class=\"token punctuation\">.<\/span>boot_services <span class=\"token operator\">&#061;<\/span> sys_table<span class=\"token operator\">-&gt;<\/span>boottime<span class=\"token punctuation\">;<\/span><br \/>\n    efi_manager<span class=\"token punctuation\">.<\/span>runtime_services <span class=\"token operator\">&#061;<\/span> sys_table<span class=\"token operator\">-&gt;<\/span>runtime<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u52a0\u8f7d\u7684\u6620\u50cf\u4fe1\u606f<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_get_loaded_image<\/span><span class=\"token punctuation\">(<\/span>sys_table<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>efi_manager<span class=\"token punctuation\">.<\/span>loaded_image<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u89e3\u6790\u5f15\u5bfc\u53c2\u6570<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_parse_boot_args<\/span><span class=\"token punctuation\">(<\/span>efi_manager<span class=\"token punctuation\">.<\/span>loaded_image<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>efi_manager<span class=\"token punctuation\">.<\/span>boot_params<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u5185\u5b58\u6620\u5c04<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_get_memory_map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>efi_manager<span class=\"token punctuation\">.<\/span>memory_map<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u63a7\u5236\u53f0<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_setup_console<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5185\u6838\u955c\u50cf\u5b9a\u4f4d<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">efi_locate_kernel_image<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">kernel_image_location<\/span> <span class=\"token operator\">*<\/span>location<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">efi_guid_t<\/span> kernel_guid <span class=\"token operator\">&#061;<\/span> EFI_KERNEL_IMAGE_GUID<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">efi_status_t<\/span> status<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u901a\u8fc7GUID\u5b9a\u4f4d\u5185\u6838<\/span><br \/>\n    status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_locate_protocol<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>kernel_guid<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>location<span class=\"token operator\">-&gt;<\/span>kernel_handle<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> EFI_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span>ENOENT<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u6587\u4ef6\u4fe1\u606f<\/span><br \/>\n    status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_get_file_info<\/span><span class=\"token punctuation\">(<\/span>location<span class=\"token operator\">-&gt;<\/span>kernel_handle<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>location<span class=\"token operator\">-&gt;<\/span>file_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> EFI_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span>EIO<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u5185\u6838\u7b7e\u540d&#xff08;\u5982\u679c\u542f\u7528\u5b89\u5168\u5f15\u5bfc&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">secure_boot_enabled<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_verify_kernel_signature<\/span><span class=\"token punctuation\">(<\/span>location<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> EFI_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span>EACCES<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u5907\u6811\u4f20\u9012<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">efi_pass_device_tree<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">device_tree_config<\/span> <span class=\"token operator\">*<\/span>dt_config<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">efi_guid_t<\/span> fdt_guid <span class=\"token operator\">&#061;<\/span> EFI_FDT_GUID<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>fdt_addr<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">efi_status_t<\/span> status<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5206\u914d\u5185\u5b58\u7528\u4e8e\u8bbe\u5907\u6811<\/span><br \/>\n    status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_allocate_pages<\/span><span class=\"token punctuation\">(<\/span>EfiRuntimeServicesData<span class=\"token punctuation\">,<\/span><br \/>\n                               <span class=\"token function\">EFI_SIZE_TO_PAGES<\/span><span class=\"token punctuation\">(<\/span>dt_config<span class=\"token operator\">-&gt;<\/span>fdt_size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                               <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">efi_physical_addr_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>fdt_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> EFI_SUCCESS<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span>ENOMEM<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u590d\u5236\u8bbe\u5907\u6811\u6570\u636e<\/span><br \/>\n    <span class=\"token function\">memcpy<\/span><span class=\"token punctuation\">(<\/span>fdt_addr<span class=\"token punctuation\">,<\/span> dt_config<span class=\"token operator\">-&gt;<\/span>fdt_data<span class=\"token punctuation\">,<\/span> dt_config<span class=\"token operator\">-&gt;<\/span>fdt_size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6eEFI\u914d\u7f6e\u8868\u6761\u76ee<\/span><br \/>\n    status <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">efi_install_configuration_table<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>fdt_guid<span class=\"token punctuation\">,<\/span> fdt_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>status <span class=\"token operator\">!&#061;<\/span> EFI_SUCCESS<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">efi_free_pages<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">efi_physical_addr_t<\/span><span class=\"token punctuation\">)<\/span>fdt_addr<span class=\"token punctuation\">,<\/span><br \/>\n                      <span class=\"token function\">EFI_SIZE_TO_PAGES<\/span><span class=\"token punctuation\">(<\/span>dt_config<span class=\"token operator\">-&gt;<\/span>fdt_size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span>EIO<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4fdd\u5b58\u8bbe\u5907\u6811\u5730\u5740<\/span><br \/>\n    dt_config<span class=\"token operator\">-&gt;<\/span>efi_fdt_addr <span class=\"token operator\">&#061;<\/span> fdt_addr<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u63a7\u5236\u6743\u8f6c\u79fb\u5230\u5185\u6838<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">efi_transfer_control_to_kernel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">long<\/span> kernel_addr<span class=\"token punctuation\">,<\/span><br \/>\n                                   <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">long<\/span> fdt_addr<span class=\"token punctuation\">,<\/span><br \/>\n                                   <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">long<\/span> boot_params_addr<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7981\u7528\u4e2d\u65ad<\/span><br \/>\n    <span class=\"token keyword\">asm<\/span> <span class=\"token keyword\">volatile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;msr daifset, #0xf&#034;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token operator\">:<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;memory&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9000\u51fa\u5f15\u5bfc\u670d\u52a1<\/span><br \/>\n    <span class=\"token function\">efi_exit_boot_services<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8df3\u8f6c\u5230\u5185\u6838<\/span><br \/>\n    <span class=\"token keyword\">asm<\/span> <span class=\"token keyword\">volatile<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token string\">&#034;mov x0, %0\\\\n&#034;<\/span>    <span class=\"token comment\">\/\/ fdt\u5730\u5740<\/span><br \/>\n        <span class=\"token string\">&#034;mov x1, %1\\\\n&#034;<\/span>    <span class=\"token comment\">\/\/ \u5f15\u5bfc\u53c2\u6570\u5730\u5740<\/span><br \/>\n        <span class=\"token string\">&#034;mov x2, %2\\\\n&#034;<\/span>    <span class=\"token comment\">\/\/ \u4fdd\u7559<\/span><br \/>\n        <span class=\"token string\">&#034;mov x3, %3\\\\n&#034;<\/span>    <span class=\"token comment\">\/\/ \u4fdd\u7559<\/span><br \/>\n        <span class=\"token string\">&#034;br %4\\\\n&#034;<\/span>         <span class=\"token comment\">\/\/ \u8df3\u8f6c\u5230\u5185\u6838\u5165\u53e3<\/span><br \/>\n        <span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;r&#034;<\/span><span class=\"token punctuation\">(<\/span>fdt_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;r&#034;<\/span><span class=\"token punctuation\">(<\/span>boot_params_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;r&#034;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;r&#034;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;r&#034;<\/span><span class=\"token punctuation\">(<\/span>kernel_addr<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;x0&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;x1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;x2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;x3&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;memory&#034;<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u2003\u2003EFI\u5f15\u5bfc\u7279\u70b9&#xff1a;<\/p>\n<p>\u2003\u2003\u2003\u20031. \u534f\u8bae\u5b8c\u6574\u6027&#xff1a;\u5b8c\u6574\u7684EFI\u534f\u8bae\u6808\u5b9e\u73b0 \u2003\u2003\u2003\u20032. \u5b89\u5168\u5f15\u5bfc&#xff1a;\u5185\u6838\u7b7e\u540d\u9a8c\u8bc1\u548c\u5b89\u5168\u5f15\u5bfc\u652f\u6301 \u2003\u2003\u2003\u20033. \u5185\u5b58\u7ba1\u7406&#xff1a;EFI\u5185\u5b58\u5206\u914d\u548c\u6620\u5c04\u7ba1\u7406 \u2003\u2003\u2003\u20034. \u63a7\u5236\u6743\u8f6c\u79fb&#xff1a;\u5b89\u5168\u53ef\u9760\u7684\u5185\u6838\u63a7\u5236\u6743\u8f6c\u79fb<\/p>\n<h3>5.2 \u6027\u80fd\u4f18\u5316\u548c\u6784\u5efa\u4f18\u5316\u5206\u6790<\/h3>\n<h4>5.2.1 \u5f15\u5bfc\u65f6\u95f4\u4f18\u5316<\/h4>\n<p>\u2003\u2003\u5f15\u5bfc\u65f6\u95f4\u4f18\u5316\u7684\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u6027\u80fd\u4f18\u5316\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_performance_optimizer<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5feb\u901f\u8def\u5f84\u68c0\u6d4b<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">fast_boot_detector<\/span> fast_detector<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5e76\u884c\u521d\u59cb\u5316<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">parallel_initializer<\/span> parallel_init<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5ef6\u8fdf\u52a0\u8f7d<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">lazy_loader<\/span> lazy_loader<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7f13\u5b58\u9884\u70ed<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">cache_warmer<\/span> cache_warmer<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6027\u80fd\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_performance_monitor<\/span> perf_monitor<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u65f6\u95f4\u4f18\u5316\u521d\u59cb\u5316<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">boot_performance_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u68c0\u6d4b\u5feb\u901f\u5f15\u5bfc\u6761\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">is_fast_boot_capable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">enable_fast_boot_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5e76\u884c\u5f15\u5bfc<\/span><br \/>\n    <span class=\"token function\">init_parallel_boot<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5ef6\u8fdf\u52a0\u8f7d\u7b56\u7565<\/span><br \/>\n    <span class=\"token function\">setup_lazy_loading<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u51c6\u5907\u7f13\u5b58\u9884\u70ed<\/span><br \/>\n    <span class=\"token function\">prepare_cache_warming<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u542f\u52a8\u6027\u80fd\u76d1\u63a7<\/span><br \/>\n    <span class=\"token function\">start_boot_performance_monitoring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5feb\u901f\u5f15\u5bfc\u8def\u5f84<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">enable_fast_boot_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8df3\u8fc7\u4e0d\u5fc5\u8981\u7684\u81ea\u68c0<\/span><br \/>\n    <span class=\"token function\">skip_unnecessary_self_tests<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4f7f\u7528\u9884\u7f16\u8bd1\u7684\u8bbe\u5907\u6811<\/span><br \/>\n    <span class=\"token function\">use_precompiled_device_tree<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7b80\u5316\u5185\u5b58\u521d\u59cb\u5316<\/span><br \/>\n    <span class=\"token function\">simplify_memory_initialization<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5e76\u884c\u786c\u4ef6\u521d\u59cb\u5316<\/span><br \/>\n    <span class=\"token function\">parallel_hardware_initialization<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5e76\u884c\u5f15\u5bfc\u521d\u59cb\u5316<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">init_parallel_boot<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efa\u5f15\u5bfc\u5de5\u4f5c\u961f\u5217<\/span><br \/>\n    <span class=\"token function\">create_boot_workqueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6ce8\u518c\u5e76\u884c\u521d\u59cb\u5316\u4efb\u52a1<\/span><br \/>\n    <span class=\"token function\">register_parallel_init_task<\/span><span class=\"token punctuation\">(<\/span>memory_init_task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">register_parallel_init_task<\/span><span class=\"token punctuation\">(<\/span>device_init_task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">register_parallel_init_task<\/span><span class=\"token punctuation\">(<\/span>network_init_task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">register_parallel_init_task<\/span><span class=\"token punctuation\">(<\/span>storage_init_task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u4efb\u52a1\u4f9d\u8d56\u5173\u7cfb<\/span><br \/>\n    <span class=\"token function\">setup_task_dependencies<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5ef6\u8fdf\u52a0\u8f7d\u673a\u5236<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">setup_lazy_loading<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6807\u8bb0\u53ef\u5ef6\u8fdf\u52a0\u8f7d\u7684\u6a21\u5757<\/span><br \/>\n    <span class=\"token function\">mark_lazy_loadable_modules<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u52a0\u8f7d\u89e6\u53d1\u5668<\/span><br \/>\n    <span class=\"token function\">setup_load_triggers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u51c6\u5907\u6309\u9700\u52a0\u8f7d\u57fa\u7840\u8bbe\u65bd<\/span><br \/>\n    <span class=\"token function\">prepare_on_demand_loading<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7f13\u5b58\u9884\u70ed\u4f18\u5316<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">prepare_cache_warming<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bc6\u522b\u5173\u952e\u4ee3\u7801\u8def\u5f84<\/span><br \/>\n    <span class=\"token function\">identify_critical_code_paths<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9884\u53d6\u5173\u952e\u6570\u636e\u7ed3\u6784<\/span><br \/>\n    <span class=\"token function\">prefetch_critical_data_structures<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9884\u70ed\u5206\u652f\u9884\u6d4b\u5668<\/span><br \/>\n    <span class=\"token function\">warm_up_branch_predictor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u2003\u2003\u5f15\u5bfc\u6027\u80fd\u4f18\u5316\u7279\u70b9&#xff1a;<\/p>\n<p>\u2003\u2003\u2003\u20031. \u5feb\u901f\u8def\u5f84&#xff1a;\u68c0\u6d4b\u5e76\u542f\u7528\u5feb\u901f\u5f15\u5bfc\u8def\u5f84 \u2003\u2003\u2003\u20032. \u5e76\u884c\u5904\u7406&#xff1a;\u5e76\u884c\u6267\u884c\u72ec\u7acb\u7684\u521d\u59cb\u5316\u4efb\u52a1 \u2003\u2003\u2003\u20033. \u5ef6\u8fdf\u52a0\u8f7d&#xff1a;\u6309\u9700\u52a0\u8f7d\u975e\u5173\u952e\u6a21\u5757 \u2003\u2003\u2003\u20034. \u7f13\u5b58\u4f18\u5316&#xff1a;\u9884\u70ed\u7f13\u5b58\u548c\u5206\u652f\u9884\u6d4b\u5668<\/p>\n<h4>5.2.2 \u6784\u5efa\u4f18\u5316\u7b56\u7565<\/h4>\n<p>\u2003\u2003\u6784\u5efa\u4f18\u5316\u7684Makefile\u5b9e\u73b0&#xff1a;<\/p>\n<p># \u5f15\u5bfc\u6784\u5efa\u4f18\u5316<br \/>\n# arch\/arm64\/boot\/Makefile<\/p>\n<p># \u5e76\u884c\u6784\u5efa<br \/>\nMAKEFLAGS &#043;&#061; -j$(shell nproc 2&gt;\/dev\/null || echo 1)<\/p>\n<p># \u589e\u91cf\u6784\u5efa\u652f\u6301<br \/>\nKBUILD_CFLAGS &#043;&#061; -MD<br \/>\nKBUILD_CFLAGS &#043;&#061; -MP<\/p>\n<p># \u6784\u5efa\u7f13\u5b58<br \/>\nifdef CONFIG_CCACHE<br \/>\nCC :&#061; ccache $(CC)<br \/>\nendif<\/p>\n<p># \u8bbe\u5907\u6811\u5e76\u884c\u7f16\u8bd1<br \/>\nifdef CONFIG_DTC_PARALLEL<br \/>\nDTC_FLAGS &#043;&#061; -j$(shell nproc)<br \/>\nendif<\/p>\n<p># \u955c\u50cf\u538b\u7f29\u4f18\u5316<br \/>\nifdef CONFIG_BOOT_IMAGE_COMPRESSION<br \/>\n# \u6839\u636e\u538b\u7f29\u7b97\u6cd5\u9009\u62e9\u6700\u5feb\u7684<br \/>\nifeq ($(CONFIG_BOOT_IMAGE_GZIP),y)<br \/>\nCOMPRESS :&#061; gzip<br \/>\nCOMPRESS_FLAGS :&#061; -9<br \/>\nelse ifeq ($(CONFIG_BOOT_IMAGE_LZ4),y)<br \/>\nCOMPRESS :&#061; lz4<br \/>\nCOMPRESS_FLAGS :&#061; -12<br \/>\nelse ifeq ($(CONFIG_BOOT_IMAGE_ZSTD),y)<br \/>\nCOMPRESS :&#061; zstd<br \/>\nCOMPRESS_FLAGS :&#061; -19<br \/>\nendif<br \/>\nendif<\/p>\n<p># FIT\u955c\u50cf\u4f18\u5316<br \/>\nifdef CONFIG_FIT_IMAGE<br \/>\nFIT_FLAGS &#043;&#061; -c<br \/>\nFIT_FLAGS &#043;&#061; -r<br \/>\nendif<\/p>\n<p># EFI\u6784\u5efa\u4f18\u5316<br \/>\nifdef CONFIG_EFI_BOOT<br \/>\nEFI_LDFLAGS &#043;&#061; -pie<br \/>\nEFI_LDFLAGS &#043;&#061; &#8211;no-dynamic-linker<br \/>\nendif<\/p>\n<p># \u6784\u5efa\u65f6\u95f4\u76d1\u63a7<br \/>\nifdef CONFIG_BOOT_BUILD_TIME_MONITORING<br \/>\nBUILD_START_TIME :&#061; $(shell date &#043;%s%N)<br \/>\nBUILD_END_TIME :&#061; $(shell date &#043;%s%N)<br \/>\nBUILD_DURATION :&#061; $(shell echo &#034;scale&#061;3; ($(BUILD_END_TIME) &#8211; $(BUILD_START_TIME)) \/ 1000000000&#034; | bc 2&gt;\/dev\/null || echo &#034;0&#034;)<br \/>\nendif<\/p>\n<p># \u6784\u5efa\u4ea7\u7269\u9a8c\u8bc1<br \/>\nPHONY &#043;&#061; verify_build<br \/>\nverify_build: $(obj)\/Image<br \/>\n$(call cmd,verify_kernel_image)<br \/>\n$(call cmd,verify_device_trees)<br \/>\n$(call cmd,check_boot_compatibility)<\/p>\n<p># \u6027\u80fd\u6784\u5efa\u62a5\u544a<br \/>\nPHONY &#043;&#061; build_performance_report<br \/>\nbuild_performance_report:<br \/>\n&#064;echo &#034;Boot Image Build Performance Report:&#034;<br \/>\n&#064;echo &#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<br \/>\n&#064;echo &#034;Build duration: $(BUILD_DURATION) seconds&#034;<br \/>\n&#064;echo &#034;Image size: $(shell stat -c%s $(obj)\/Image 2&gt;\/dev\/null || echo &#034;N\/A&#034;) bytes&#034;<br \/>\n&#064;echo &#034;Compressed size: $(shell stat -c%s $(obj)\/Image.gz 2&gt;\/dev\/null || echo &#034;N\/A&#034;) bytes&#034;<br \/>\n&#064;echo &#034;Compression ratio: $(shell echo &#034;scale&#061;2; $(shell stat -c%s $(obj)\/Image 2&gt;\/dev\/null || echo &#034;1&#034;) \/ $(shell stat -c%s $(obj)\/Image.gz 2&gt;\/dev\/null || echo &#034;1&#034;)&#034; | bc 2&gt;\/dev\/null || echo &#034;N\/A&#034;)&#034;<br \/>\n&#064;echo &#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/p>\n<p>\u2003\u2003\u6784\u5efa\u4f18\u5316\u7279\u70b9&#xff1a;<\/p>\n<p>\u2003\u2003\u2003\u20031. \u5e76\u884c\u5904\u7406&#xff1a;\u5145\u5206\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u7684\u5e76\u884c\u6784\u5efa\u80fd\u529b \u2003\u2003\u2003\u20032. \u589e\u91cf\u6784\u5efa&#xff1a;\u53ea\u91cd\u65b0\u6784\u5efa\u4fee\u6539\u7684\u90e8\u5206 \u2003\u2003\u2003\u20033. \u667a\u80fd\u538b\u7f29&#xff1a;\u6839\u636e\u7b97\u6cd5\u9009\u62e9\u6700\u4f18\u538b\u7f29\u7b56\u7565 \u2003\u2003\u2003\u20034. \u6784\u5efa\u9a8c\u8bc1&#xff1a;\u81ea\u52a8\u9a8c\u8bc1\u6784\u5efa\u4ea7\u7269\u7684\u6b63\u786e\u6027<\/p>\n<h3>5.3 \u5b89\u5168\u9a8c\u8bc1\u548c\u5f15\u5bfc\u5b89\u5168\u5206\u6790<\/h3>\n<h4>5.3.1 \u5f15\u5bfc\u65f6\u5b89\u5168\u9a8c\u8bc1<\/h4>\n<p>\u2003\u2003\u5f15\u5bfc\u65f6\u5b89\u5168\u9a8c\u8bc1\u7684\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u5b89\u5168\u9a8c\u8bc1\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_security_validator<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u955c\u50cf\u5b8c\u6574\u6027\u68c0\u67e5<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">image_integrity_checker<\/span> img_checker<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u5907\u6811\u9a8c\u8bc1\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">device_tree_validator<\/span> dt_validator<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f15\u5bfc\u53c2\u6570\u9a8c\u8bc1\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_args_validator<\/span> args_validator<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5185\u5b58\u5e03\u5c40\u9a8c\u8bc1\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">memory_layout_validator<\/span> mem_validator<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5b89\u5168\u72b6\u6001\u76d1\u63a7\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">security_state_monitor<\/span> sec_monitor<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u5b89\u5168\u9a8c\u8bc1<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">validate_boot_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u5185\u6838\u955c\u50cf\u5b8c\u6574\u6027<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_kernel_image_integrity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">log_security_violation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Kernel image integrity check failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u8bbe\u5907\u6811\u5b89\u5168\u6027<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_device_tree_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">log_security_violation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Device tree security validation failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u5f15\u5bfc\u53c2\u6570<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_boot_arguments<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">log_security_violation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Boot arguments validation failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u5185\u5b58\u5e03\u5c40<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_memory_layout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">log_security_violation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Memory layout validation failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u542f\u7528\u5b89\u5168\u76d1\u63a7<\/span><br \/>\n    <span class=\"token function\">enable_security_monitoring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5185\u6838\u955c\u50cf\u5b8c\u6574\u6027\u9a8c\u8bc1<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">validate_kernel_image_integrity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">kernel_image_info<\/span> img_info<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u955c\u50cf\u4fe1\u606f<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">get_kernel_image_info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>img_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u955c\u50cf\u7b7e\u540d<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">verify_image_signature<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>img_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u68c0\u67e5\u955c\u50cf\u5b8c\u6574\u6027\u54c8\u5e0c<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">verify_image_hash<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>img_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u955c\u50cf\u7ed3\u6784<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_image_structure<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>img_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u5907\u6811\u5b89\u5168\u9a8c\u8bc1<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">validate_device_tree_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">device_tree_info<\/span> dt_info<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u89e3\u6790\u8bbe\u5907\u6811<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">parse_device_tree<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>dt_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u8bbe\u5907\u6811\u7ed3\u6784<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_device_tree_structure<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>dt_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u68c0\u67e5\u5b89\u5168\u654f\u611f\u914d\u7f6e<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">check_security_sensitive_configurations<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>dt_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u5185\u5b58\u4fdd\u7559\u533a\u57df<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_memory_reservations<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>dt_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u53c2\u6570\u5b89\u5168\u9a8c\u8bc1<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">validate_boot_arguments<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_args_info<\/span> args_info<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u89e3\u6790\u5f15\u5bfc\u53c2\u6570<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">parse_boot_arguments<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>args_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u53c2\u6570\u683c\u5f0f<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_argument_format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>args_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u68c0\u67e5\u5371\u9669\u53c2\u6570<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">check_dangerous_arguments<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>args_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u53c2\u6570\u503c\u8303\u56f4<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_argument_values<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>args_info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u2003\u2003\u5f15\u5bfc\u5b89\u5168\u9a8c\u8bc1\u7279\u70b9&#xff1a;<\/p>\n<p>\u2003\u2003\u2003\u20031. \u5b8c\u6574\u6027\u68c0\u67e5&#xff1a;\u955c\u50cf\u3001\u8bbe\u5907\u6811\u548c\u53c2\u6570\u7684\u5b8c\u6574\u6027\u9a8c\u8bc1 \u2003\u2003\u2003\u20032. \u7b7e\u540d\u9a8c\u8bc1&#xff1a;\u6570\u5b57\u7b7e\u540d\u548c\u54c8\u5e0c\u9a8c\u8bc1 \u2003\u2003\u2003\u20033. \u7ed3\u6784\u9a8c\u8bc1&#xff1a;\u6570\u636e\u7ed3\u6784\u7684\u5b8c\u6574\u6027\u68c0\u67e5 \u2003\u2003\u2003\u20034. \u914d\u7f6e\u5ba1\u6838&#xff1a;\u5b89\u5168\u654f\u611f\u914d\u7f6e\u7684\u5b89\u5168\u5ba1\u8ba1<\/p>\n<h4>5.3.2 \u5f15\u5bfc\u8fc7\u7a0b\u5b89\u5168\u76d1\u63a7<\/h4>\n<p>\u2003\u2003\u5f15\u5bfc\u8fc7\u7a0b\u5b89\u5168\u76d1\u63a7\u7684\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u5b89\u5168\u76d1\u63a7\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_security_monitor<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5f02\u5e38\u68c0\u6d4b\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_anomaly_detector<\/span> anomaly_detector<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5b8c\u6574\u6027\u76d1\u63a7\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">integrity_monitor<\/span> integrity_mon<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbf\u95ee\u63a7\u5236\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">access_controller<\/span> access_ctrl<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5ba1\u8ba1\u8bb0\u5f55\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">security_auditor<\/span> auditor<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u54cd\u5e94\u534f\u8c03\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">security_response_coordinator<\/span> resp_coord<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u5b89\u5168\u76d1\u63a7\u521d\u59cb\u5316<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">boot_security_monitor_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5f02\u5e38\u68c0\u6d4b<\/span><br \/>\n    <span class=\"token function\">anomaly_detector_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5b8c\u6574\u6027\u76d1\u63a7<\/span><br \/>\n    <span class=\"token function\">integrity_monitor_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u8bbf\u95ee\u63a7\u5236<\/span><br \/>\n    <span class=\"token function\">access_control_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5ba1\u8ba1\u7cfb\u7edf<\/span><br \/>\n    <span class=\"token function\">security_auditor_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u54cd\u5e94\u534f\u8c03\u5668<\/span><br \/>\n    <span class=\"token function\">response_coordinator_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u8fc7\u7a0b\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">monitor_boot_process<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u76d1\u63a7\u5173\u952e\u5f15\u5bfc\u9636\u6bb5<\/span><br \/>\n    <span class=\"token function\">monitor_image_loading<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">monitor_device_tree_processing<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">monitor_memory_initialization<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">monitor_hardware_setup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">monitor_kernel_startup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f02\u5e38\u68c0\u6d4b\u548c\u54cd\u5e94<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">handle_boot_anomaly<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_anomaly<\/span> <span class=\"token operator\">*<\/span>anomaly<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bb0\u5f55\u5f02\u5e38<\/span><br \/>\n    <span class=\"token function\">log_boot_anomaly<\/span><span class=\"token punctuation\">(<\/span>anomaly<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bc4\u4f30\u98ce\u9669\u7b49\u7ea7<\/span><br \/>\n    <span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">security_risk_level<\/span> risk <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">assess_anomaly_risk<\/span><span class=\"token punctuation\">(<\/span>anomaly<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9009\u62e9\u54cd\u5e94\u7b56\u7565<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">security_response<\/span> <span class=\"token operator\">*<\/span>response <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">select_security_response<\/span><span class=\"token punctuation\">(<\/span>risk<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6267\u884c\u5b89\u5168\u54cd\u5e94<\/span><br \/>\n    <span class=\"token function\">execute_security_response<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> anomaly<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5ba1\u8ba1\u8bb0\u5f55<\/span><br \/>\n    <span class=\"token function\">audit_security_response<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> anomaly<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u5b8c\u6574\u6027\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">monitor_boot_integrity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u76d1\u63a7\u955c\u50cf\u5b8c\u6574\u6027<\/span><br \/>\n    <span class=\"token function\">monitor_image_integrity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u76d1\u63a7\u5185\u5b58\u5b8c\u6574\u6027<\/span><br \/>\n    <span class=\"token function\">monitor_memory_integrity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u76d1\u63a7\u914d\u7f6e\u5b8c\u6574\u6027<\/span><br \/>\n    <span class=\"token function\">monitor_configuration_integrity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u76d1\u63a7\u8fd0\u884c\u65f6\u5b8c\u6574\u6027<\/span><br \/>\n    <span class=\"token function\">monitor_runtime_integrity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u2003\u2003\u5f15\u5bfc\u5b89\u5168\u76d1\u63a7\u7279\u70b9&#xff1a;<\/p>\n<p>\u2003\u2003\u2003\u20031. \u5b9e\u65f6\u76d1\u63a7&#xff1a;\u5f15\u5bfc\u8fc7\u7a0b\u7684\u5168\u7a0b\u5b89\u5168\u76d1\u63a7 \u2003\u2003\u2003\u20032. \u5f02\u5e38\u68c0\u6d4b&#xff1a;\u81ea\u52a8\u68c0\u6d4b\u5f15\u5bfc\u8fc7\u7a0b\u4e2d\u7684\u5f02\u5e38\u884c\u4e3a \u2003\u2003\u2003\u20033. \u5b8c\u6574\u6027\u4fdd\u62a4&#xff1a;\u5173\u952e\u6570\u636e\u7684\u5b8c\u6574\u6027\u4fdd\u62a4\u548c\u9a8c\u8bc1 \u2003\u2003\u2003\u20034. \u54cd\u5e94\u673a\u5236&#xff1a;\u81ea\u52a8\u5316\u7684\u5b89\u5168\u4e8b\u4ef6\u54cd\u5e94\u673a\u5236<\/p>\n<h2>6. \u8bbe\u8ba1\u6a21\u5f0f\u5206\u6790<\/h2>\n<h3>6.1 \u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u5728\u5f15\u5bfc\u6d41\u7a0b\u4e2d\u7684\u4f53\u73b0<\/h3>\n<p>\u2003\u2003\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u5728\u5f15\u5bfc\u6d41\u7a0b\u4e2d\u7684\u4f53\u73b0&#xff1a;<\/p>\n<p>\/\/ \u5f15\u5bfc\u6d41\u7a0b\u6a21\u677f\u63a5\u53e3<br \/>\ninterface BootProcessTemplate {<br \/>\n    \/\/ \u6a21\u677f\u65b9\u6cd5&#xff1a;\u5b9a\u4e49\u5f15\u5bfc\u6d41\u7a0b\u7684\u5b8c\u6574\u6846\u67b6<br \/>\n    final void executeBootProcess() {<br \/>\n        try {<br \/>\n            \/\/ 1. \u5f15\u5bfc\u51c6\u5907<br \/>\n            prepareBootEnvironment();<\/p>\n<p>            \/\/ 2. \u786c\u4ef6\u68c0\u6d4b<br \/>\n            detectHardwareCapabilities();<\/p>\n<p>            \/\/ 3. \u56fa\u4ef6\u4ea4\u4e92<br \/>\n            interactWithFirmware();<\/p>\n<p>            \/\/ 4. \u955c\u50cf\u52a0\u8f7d<br \/>\n            loadBootImages();<\/p>\n<p>            \/\/ 5. \u914d\u7f6e\u8bbe\u7f6e<br \/>\n            setupSystemConfiguration();<\/p>\n<p>            \/\/ 6. \u5185\u6838\u542f\u52a8<br \/>\n            startKernelExecution();<\/p>\n<p>            \/\/ 7. \u7cfb\u7edf\u521d\u59cb\u5316<br \/>\n            performSystemInitialization();<\/p>\n<p>            \/\/ 8. \u670d\u52a1\u542f\u52a8<br \/>\n            startSystemServices();<\/p>\n<p>            onBootSuccess();<\/p>\n<p>        } catch (BootException e) {<br \/>\n            onBootFailure(e);<br \/>\n            throw e;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    \/\/ \u62bd\u8c61\u65b9\u6cd5&#xff1a;\u7531\u5b50\u7c7b\u5b9e\u73b0\u7684\u5f15\u5bfc\u6b65\u9aa4<br \/>\n    void prepareBootEnvironment();<br \/>\n    void detectHardwareCapabilities();<br \/>\n    void interactWithFirmware();<br \/>\n    void loadBootImages();<br \/>\n    void setupSystemConfiguration();<br \/>\n    void startKernelExecution();<br \/>\n    void performSystemInitialization();<br \/>\n    void startSystemServices();<\/p>\n<p>    \/\/ \u94a9\u5b50\u65b9\u6cd5&#xff1a;\u53ef\u4ee5\u88ab\u5b50\u7c7b\u91cd\u5199<br \/>\n    void onBootSuccess() {<br \/>\n        System.out.println(&#034;System boot completed successfully&#034;);<br \/>\n    }<\/p>\n<p>    void onBootFailure(BootException e) {<br \/>\n        System.err.println(&#034;Boot failed: &#034; &#043; e.getMessage());<br \/>\n        e.printStackTrace();<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ EFI\u5f15\u5bfc\u6d41\u7a0b\u5b9e\u73b0<br \/>\nclass EFIBootProcess implements BootProcessTemplate {<br \/>\n    private EFISystemTable efiSystemTable;<br \/>\n    private EFIBootServices bootServices;<br \/>\n    private KernelImage kernelImage;<br \/>\n    private DeviceTreeBlob deviceTree;<br \/>\n    private BootConfiguration bootConfig;<\/p>\n<p>    public void prepareBootEnvironment() {<br \/>\n        \/\/ \u83b7\u53d6EFI\u7cfb\u7edf\u8868<br \/>\n        efiSystemTable &#061; getEFISystemTable();<\/p>\n<p>        \/\/ \u521d\u59cb\u5316EFI\u5f15\u5bfc\u670d\u52a1<br \/>\n        bootServices &#061; efiSystemTable.getBootServices();<\/p>\n<p>        \/\/ \u8bbe\u7f6eEFI\u5185\u5b58\u5206\u914d\u5668<br \/>\n        setupEFIMemoryAllocator();<\/p>\n<p>        \/\/ \u521d\u59cb\u5316\u63a7\u5236\u53f0\u8f93\u51fa<br \/>\n        initializeEFIConsole();<\/p>\n<p>        System.out.println(&#034;EFI boot environment prepared&#034;);<br \/>\n    }<\/p>\n<p>    public void detectHardwareCapabilities() {<br \/>\n        \/\/ \u68c0\u6d4bCPU\u7279\u6027<br \/>\n        detectCPUCapabilities();<\/p>\n<p>        \/\/ \u68c0\u6d4b\u5185\u5b58\u914d\u7f6e<br \/>\n        detectMemoryConfiguration();<\/p>\n<p>        \/\/ \u68c0\u6d4b\u8bbe\u5907\u652f\u6301<br \/>\n        detectDeviceCapabilities();<\/p>\n<p>        \/\/ \u68c0\u6d4b\u5b89\u5168\u7279\u6027<br \/>\n        detectSecurityCapabilities();<\/p>\n<p>        System.out.println(&#034;Hardware capabilities detected&#034;);<br \/>\n    }<\/p>\n<p>    public void interactWithFirmware() {<br \/>\n        \/\/ \u83b7\u53d6EFI\u914d\u7f6e\u8868<br \/>\n        EFIConfigurationTable[] configTables &#061; efiSystemTable.getConfigurationTable();<\/p>\n<p>        \/\/ \u5904\u7406ACPI\u8868<br \/>\n        processACPITables(configTables);<\/p>\n<p>        \/\/ \u5904\u7406SMBIOS\u8868<br \/>\n        processSMBIOSTables(configTables);<\/p>\n<p>        \/\/ \u8bbe\u7f6eEFI\u8fd0\u884c\u65f6\u670d\u52a1<br \/>\n        setupEFIRuntimeServices();<\/p>\n<p>        System.out.println(&#034;Firmware interaction completed&#034;);<br \/>\n    }<\/p>\n<p>    public void loadBootImages() {<br \/>\n        \/\/ \u5b9a\u4f4d\u5185\u6838\u955c\u50cf<br \/>\n        kernelImage &#061; locateKernelImage();<\/p>\n<p>        \/\/ \u9a8c\u8bc1\u5185\u6838\u7b7e\u540d<br \/>\n        verifyKernelSignature(kernelImage);<\/p>\n<p>        \/\/ \u52a0\u8f7d\u5185\u6838\u955c\u50cf<br \/>\n        loadKernelImage(kernelImage);<\/p>\n<p>        \/\/ \u5b9a\u4f4d\u8bbe\u5907\u6811<br \/>\n        deviceTree &#061; locateDeviceTree();<\/p>\n<p>        \/\/ \u52a0\u8f7d\u8bbe\u5907\u6811<br \/>\n        loadDeviceTree(deviceTree);<\/p>\n<p>        \/\/ \u5b9a\u4f4d\u521d\u59cbRAM\u78c1\u76d8<br \/>\n        InitialRAMDisk initrd &#061; locateInitialRAMDisk();<\/p>\n<p>        \/\/ \u52a0\u8f7d\u521d\u59cbRAM\u78c1\u76d8<br \/>\n        loadInitialRAMDisk(initrd);<\/p>\n<p>        System.out.println(&#034;Boot images loaded&#034;);<br \/>\n    }<\/p>\n<p>    public void setupSystemConfiguration() {<br \/>\n        \/\/ \u89e3\u6790\u5f15\u5bfc\u53c2\u6570<br \/>\n        bootConfig &#061; parseBootArguments();<\/p>\n<p>        \/\/ \u8bbe\u7f6e\u5185\u5b58\u6620\u5c04<br \/>\n        setupMemoryMap();<\/p>\n<p>        \/\/ \u914d\u7f6e\u4e2d\u65ad\u63a7\u5236\u5668<br \/>\n        configureInterruptController();<\/p>\n<p>        \/\/ \u8bbe\u7f6e\u65f6\u949f\u6e90<br \/>\n        setupClockSources();<\/p>\n<p>        \/\/ \u914d\u7f6e\u5b89\u5168\u7b56\u7565<br \/>\n        configureSecurityPolicy();<\/p>\n<p>        System.out.println(&#034;System configuration completed&#034;);<br \/>\n    }<\/p>\n<p>    public void startKernelExecution() {<br \/>\n        \/\/ \u51c6\u5907\u5185\u6838\u53c2\u6570<br \/>\n        KernelParameters kernelParams &#061; prepareKernelParameters(bootConfig, deviceTree);<\/p>\n<p>        \/\/ \u8bbe\u7f6e\u5185\u6838\u5165\u53e3\u70b9<br \/>\n        setKernelEntryPoint(kernelImage.getEntryPoint());<\/p>\n<p>        \/\/ \u914d\u7f6e\u5f02\u5e38\u5411\u91cf<br \/>\n        setupExceptionVectors();<\/p>\n<p>        \/\/ \u521d\u59cb\u5316MMU<br \/>\n        initializeMMU();<\/p>\n<p>        \/\/ \u8bbe\u7f6e\u5185\u6838\u6808<br \/>\n        setupKernelStack();<\/p>\n<p>        \/\/ \u9000\u51faEFI\u5f15\u5bfc\u670d\u52a1<br \/>\n        exitBootServices();<\/p>\n<p>        \/\/ \u8df3\u8f6c\u5230\u5185\u6838<br \/>\n        jumpToKernel(kernelParams);<\/p>\n<p>        System.out.println(&#034;Kernel execution started&#034;);<br \/>\n    }<\/p>\n<p>    public void performSystemInitialization() {<br \/>\n        \/\/ \u6b64\u6b65\u9aa4\u5728\u5185\u6838\u4e2d\u6267\u884c<br \/>\n        \/\/ \u5b50\u7c7b\u53ef\u4ee5\u9009\u62e9\u6027\u5730\u5b9e\u73b0\u72b6\u6001\u76d1\u63a7<br \/>\n        System.out.println(&#034;System initialization in progress&#034;);<br \/>\n    }<\/p>\n<p>    public void startSystemServices() {<br \/>\n        \/\/ \u6b64\u6b65\u9aa4\u5728\u5185\u6838\u4e2d\u6267\u884c<br \/>\n        \/\/ \u5b50\u7c7b\u53ef\u4ee5\u9009\u62e9\u6027\u5730\u5b9e\u73b0\u670d\u52a1\u76d1\u63a7<br \/>\n        System.out.println(&#034;System services starting&#034;);<br \/>\n    }<\/p>\n<p>    protected void onBootSuccess() {<br \/>\n        super.onBootSuccess();<br \/>\n        System.out.println(&#034;EFI boot process completed successfully&#034;);<br \/>\n    }<\/p>\n<p>    protected void onBootFailure(BootException e) {<br \/>\n        super.onBootFailure(e);<br \/>\n        System.out.println(&#034;EFI boot process failed, attempting recovery&#034;);<\/p>\n<p>        \/\/ EFI\u7279\u5b9a\u7684\u6062\u590d\u903b\u8f91<br \/>\n        attemptEFIBootRecovery(e);<br \/>\n    }<\/p>\n<p>    \/\/ EFI\u7279\u5b9a\u7684\u8f85\u52a9\u65b9\u6cd5<br \/>\n    private void setupEFIMemoryAllocator() {<br \/>\n        \/\/ \u5b9e\u73b0EFI\u5185\u5b58\u5206\u914d\u5668\u8bbe\u7f6e<br \/>\n    }<\/p>\n<p>    private void initializeEFIConsole() {<br \/>\n        \/\/ \u5b9e\u73b0EFI\u63a7\u5236\u53f0\u521d\u59cb\u5316<br \/>\n    }<\/p>\n<p>    private KernelImage locateKernelImage() {<br \/>\n        \/\/ \u5b9e\u73b0EFI\u5185\u6838\u955c\u50cf\u5b9a\u4f4d<br \/>\n        return null;<br \/>\n    }<\/p>\n<p>    private void attemptEFIBootRecovery(BootException e) {<br \/>\n        \/\/ \u5b9e\u73b0EFI\u5f15\u5bfc\u6062\u590d\u903b\u8f91<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u4f20\u7edf\u5f15\u5bfc\u6d41\u7a0b\u5b9e\u73b0<br \/>\nclass TraditionalBootProcess implements BootProcessTemplate {<br \/>\n    private BootLoader bootLoader;<br \/>\n    private KernelImage kernelImage;<br \/>\n    private DeviceTreeBlob deviceTree;<br \/>\n    private BootConfiguration bootConfig;<\/p>\n<p>    public void prepareBootEnvironment() {<br \/>\n        \/\/ \u521d\u59cb\u5316\u5f15\u5bfc\u52a0\u8f7d\u5668<br \/>\n        bootLoader &#061; initializeBootLoader();<\/p>\n<p>        \/\/ \u8bbe\u7f6e\u57fa\u672c\u786c\u4ef6\u8bbf\u95ee<br \/>\n        setupBasicHardwareAccess();<\/p>\n<p>        \/\/ \u521d\u59cb\u5316\u5185\u5b58\u7ba1\u7406<br \/>\n        initializeBasicMemoryManagement();<\/p>\n<p>        System.out.println(&#034;Traditional boot environment prepared&#034;);<br \/>\n    }<\/p>\n<p>    public void detectHardwareCapabilities() {<br \/>\n        \/\/ \u901a\u8fc7BIOS\/\u56fa\u4ef6\u8c03\u7528\u68c0\u6d4b\u786c\u4ef6<br \/>\n        detectHardwareViaFirmware();<\/p>\n<p>        \/\/ \u5206\u6790\u53ef\u7528\u5185\u5b58<br \/>\n        analyzeAvailableMemory();<\/p>\n<p>        \/\/ \u68c0\u6d4b\u5f15\u5bfc\u8bbe\u5907<br \/>\n        detectBootDevices();<\/p>\n<p>        System.out.println(&#034;Hardware capabilities detected via firmware&#034;);<br \/>\n    }<\/p>\n<p>    public void interactWithFirmware() {<br \/>\n        \/\/ \u8c03\u7528BIOS\u4e2d\u65ad<br \/>\n        callBIOSInterrupts();<\/p>\n<p>        \/\/ \u83b7\u53d6\u7cfb\u7edf\u914d\u7f6e<br \/>\n        getSystemConfiguration();<\/p>\n<p>        \/\/ \u8bbe\u7f6e\u5b9e\u6a21\u5f0f\u670d\u52a1<br \/>\n        setupRealModeServices();<\/p>\n<p>        System.out.println(&#034;Firmware interaction via BIOS completed&#034;);<br \/>\n    }<\/p>\n<p>    public void loadBootImages() {<br \/>\n        \/\/ \u4ece\u5f15\u5bfc\u8bbe\u5907\u52a0\u8f7d\u5185\u6838<br \/>\n        kernelImage &#061; bootLoader.loadKernelImage();<\/p>\n<p>        \/\/ \u9a8c\u8bc1\u5185\u6838\u6821\u9a8c\u548c<br \/>\n        verifyKernelChecksum(kernelImage);<\/p>\n<p>        \/\/ \u4ece\u5f15\u5bfc\u8bbe\u5907\u52a0\u8f7d\u8bbe\u5907\u6811<br \/>\n        deviceTree &#061; bootLoader.loadDeviceTree();<\/p>\n<p>        \/\/ \u9a8c\u8bc1\u8bbe\u5907\u6811\u5b8c\u6574\u6027<br \/>\n        verifyDeviceTreeIntegrity(deviceTree);<\/p>\n<p>        System.out.println(&#034;Boot images loaded from boot device&#034;);<br \/>\n    }<\/p>\n<p>    public void setupSystemConfiguration() {<br \/>\n        \/\/ \u89e3\u6790\u5f15\u5bfc\u53c2\u6570<br \/>\n        bootConfig &#061; parseBootArguments();<\/p>\n<p>        \/\/ \u8bbe\u7f6eGDT\/IDT<br \/>\n        setupGDTTables();<\/p>\n<p>        \/\/ \u914d\u7f6e\u5206\u9875<br \/>\n        configurePaging();<\/p>\n<p>        \/\/ \u8bbe\u7f6e\u4e2d\u65ad\u5904\u7406<br \/>\n        setupInterruptHandling();<\/p>\n<p>        System.out.println(&#034;System configuration for protected mode completed&#034;);<br \/>\n    }<\/p>\n<p>    public void startKernelExecution() {<br \/>\n        \/\/ \u51c6\u5907\u5185\u6838\u53c2\u6570<br \/>\n        KernelParameters kernelParams &#061; prepareKernelParameters(bootConfig, deviceTree);<\/p>\n<p>        \/\/ \u5207\u6362\u5230\u4fdd\u62a4\u6a21\u5f0f<br \/>\n        switchToProtectedMode();<\/p>\n<p>        \/\/ \u8bbe\u7f6e\u5185\u6838\u6bb5\u9009\u62e9\u5668<br \/>\n        setupKernelSegmentSelectors();<\/p>\n<p>        \/\/ \u521d\u59cb\u5316\u57fa\u672cMMU<br \/>\n        initializeBasicMMU();<\/p>\n<p>        \/\/ \u8bbe\u7f6e\u5185\u6838\u6808<br \/>\n        setupKernelStack();<\/p>\n<p>        \/\/ \u8df3\u8f6c\u5230\u5185\u6838<br \/>\n        jumpToKernel(kernelParams);<\/p>\n<p>        System.out.println(&#034;Kernel execution started in protected mode&#034;);<br \/>\n    }<\/p>\n<p>    protected void onBootSuccess() {<br \/>\n        super.onBootSuccess();<br \/>\n        System.out.println(&#034;Traditional boot process completed successfully&#034;);<br \/>\n    }<\/p>\n<p>    protected void onBootFailure(BootException e) {<br \/>\n        super.onBootFailure(e);<br \/>\n        System.out.println(&#034;Traditional boot process failed, attempting recovery&#034;);<\/p>\n<p>        \/\/ \u4f20\u7edf\u5f15\u5bfc\u7279\u5b9a\u7684\u6062\u590d\u903b\u8f91<br \/>\n        attemptTraditionalBootRecovery(e);<br \/>\n    }<\/p>\n<p>    \/\/ \u4f20\u7edf\u5f15\u5bfc\u7279\u5b9a\u7684\u8f85\u52a9\u65b9\u6cd5<br \/>\n    private BootLoader initializeBootLoader() {<br \/>\n        \/\/ \u5b9e\u73b0\u5f15\u5bfc\u52a0\u8f7d\u5668\u521d\u59cb\u5316<br \/>\n        return null;<br \/>\n    }<\/p>\n<p>    private void setupBasicHardwareAccess() {<br \/>\n        \/\/ \u5b9e\u73b0\u57fa\u672c\u786c\u4ef6\u8bbf\u95ee\u8bbe\u7f6e<br \/>\n    }<\/p>\n<p>    private void attemptTraditionalBootRecovery(BootException e) {<br \/>\n        \/\/ \u5b9e\u73b0\u4f20\u7edf\u5f15\u5bfc\u6062\u590d\u903b\u8f91<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u5f15\u5bfc\u6d41\u7a0b\u5de5\u5382<br \/>\nclass BootProcessFactory {<br \/>\n    public static BootProcessTemplate createBootProcess(BootMethod method) {<br \/>\n        switch (method) {<br \/>\n        case EFI:<br \/>\n            return new EFIBootProcess();<br \/>\n        case TRADITIONAL:<br \/>\n            return new TraditionalBootProcess();<br \/>\n        case NETWORK:<br \/>\n            return new NetworkBootProcess();<br \/>\n        case DISK:<br \/>\n            return new DiskBootProcess();<br \/>\n        default:<br \/>\n            throw new IllegalArgumentException(&#034;Unsupported boot method: &#034; &#043; method);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    public static BootProcessTemplate createDefaultBootProcess() {<br \/>\n        \/\/ \u68c0\u6d4b\u53ef\u7528\u7684\u5f15\u5bfc\u65b9\u6cd5<br \/>\n        BootMethod availableMethod &#061; detectAvailableBootMethod();<br \/>\n        return createBootProcess(availableMethod);<br \/>\n    }<\/p>\n<p>    private static BootMethod detectAvailableBootMethod() {<br \/>\n        \/\/ \u5b9e\u73b0\u5f15\u5bfc\u65b9\u6cd5\u68c0\u6d4b\u903b\u8f91<br \/>\n        return BootMethod.EFI; \/\/ \u9ed8\u8ba4\u8fd4\u56deEFI<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u5f15\u5bfc\u7ba1\u7406\u5668<br \/>\nclass BootManager {<br \/>\n    private BootProcessFactory factory;<br \/>\n    private BootStatistics statistics;<\/p>\n<p>    public BootManager() {<br \/>\n        this.factory &#061; new BootProcessFactory();<br \/>\n        this.statistics &#061; new BootStatistics();<br \/>\n    }<\/p>\n<p>    public void performSystemBoot() {<br \/>\n        long bootStartTime &#061; System.nanoTime();<\/p>\n<p>        try {<br \/>\n            \/\/ \u521b\u5efa\u5f15\u5bfc\u6d41\u7a0b<br \/>\n            BootProcessTemplate bootProcess &#061; factory.createDefaultBootProcess();<\/p>\n<p>            \/\/ \u6267\u884c\u5f15\u5bfc<br \/>\n            bootProcess.executeBootProcess();<\/p>\n<p>            long bootEndTime &#061; System.nanoTime();<br \/>\n            long bootDuration &#061; bootEndTime &#8211; bootStartTime;<\/p>\n<p>            \/\/ \u8bb0\u5f55\u6210\u529f\u7edf\u8ba1<br \/>\n            statistics.recordSuccessfulBoot(bootDuration);<\/p>\n<p>            System.out.println(&#034;System boot completed successfully in &#034; &#043; bootDuration &#043; &#034; ns&#034;);<\/p>\n<p>        } catch (BootException e) {<br \/>\n            \/\/ \u8bb0\u5f55\u5931\u8d25\u7edf\u8ba1<br \/>\n            statistics.recordFailedBoot(e);<\/p>\n<p>            System.err.println(&#034;System boot failed: &#034; &#043; e.getMessage());<\/p>\n<p>            \/\/ \u5c1d\u8bd5\u5f15\u5bfc\u6062\u590d<br \/>\n            attemptBootRecovery(e);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void attemptBootRecovery(BootException e) {<br \/>\n        \/\/ \u5b9e\u73b0\u5f15\u5bfc\u6062\u590d\u903b\u8f91<br \/>\n        System.out.println(&#034;Attempting boot recovery&#8230;&#034;);<br \/>\n    }<\/p>\n<p>    public BootStatistics getBootStatistics() {<br \/>\n        return new BootStatistics(statistics);<br \/>\n    }<br \/>\n}<\/p>\n<h3>6.2 \u7b56\u7565\u6a21\u5f0f\u5728\u955c\u50cf\u538b\u7f29\u7b56\u7565\u4e2d\u7684\u4f53\u73b0<\/h3>\n<p>\u2003\u2003\u7b56\u7565\u6a21\u5f0f\u5728\u955c\u50cf\u538b\u7f29\u7b56\u7565\u4e2d\u7684\u4f53\u73b0&#xff1a;<\/p>\n<p>\/\/ \u955c\u50cf\u538b\u7f29\u7b56\u7565\u63a5\u53e3<br \/>\ninterface ImageCompressionStrategy {<br \/>\n    byte[] compressImage(byte[] imageData);<br \/>\n    byte[] decompressImage(byte[] compressedData);<br \/>\n    String getCompressionName();<br \/>\n    double getCompressionRatio(byte[] original, byte[] compressed);<br \/>\n    boolean isSupported();<br \/>\n    CompressionLevel getOptimalLevel();<br \/>\n}<\/p>\n<p>\/\/ GZIP\u538b\u7f29\u7b56\u7565<br \/>\nclass GzipCompressionStrategy implements ImageCompressionStrategy {<br \/>\n    private GzipCompressor compressor;<br \/>\n    private CompressionLevel level;<\/p>\n<p>    public GzipCompressionStrategy() {<br \/>\n        this.compressor &#061; new GzipCompressor();<br \/>\n        this.level &#061; CompressionLevel.BALANCED;<br \/>\n    }<\/p>\n<p>    public byte[] compressImage(byte[] imageData) {<br \/>\n        return compressor.compress(imageData, level.getLevel());<br \/>\n    }<\/p>\n<p>    public byte[] decompressImage(byte[] compressedData) {<br \/>\n        return compressor.decompress(compressedData);<br \/>\n    }<\/p>\n<p>    public String getCompressionName() {<br \/>\n        return &#034;GZIP&#034;;<br \/>\n    }<\/p>\n<p>    public double getCompressionRatio(byte[] original, byte[] compressed) {<br \/>\n        return (double) original.length \/ compressed.length;<br \/>\n    }<\/p>\n<p>    public boolean isSupported() {<br \/>\n        \/\/ \u68c0\u67e5\u7cfb\u7edf\u662f\u5426\u652f\u6301GZIP<br \/>\n        return GzipCompressor.isAvailable();<br \/>\n    }<\/p>\n<p>    public CompressionLevel getOptimalLevel() {<br \/>\n        return CompressionLevel.BALANCED;<br \/>\n    }<\/p>\n<p>    public void setCompressionLevel(CompressionLevel level) {<br \/>\n        this.level &#061; level;<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ LZ4\u538b\u7f29\u7b56\u7565<br \/>\nclass LZ4CompressionStrategy implements ImageCompressionStrategy {<br \/>\n    private LZ4Compressor compressor;<br \/>\n    private CompressionLevel level;<\/p>\n<p>    public LZ4CompressionStrategy() {<br \/>\n        this.compressor &#061; new LZ4Compressor();<br \/>\n        this.level &#061; CompressionLevel.FAST;<br \/>\n    }<\/p>\n<p>    public byte[] compressImage(byte[] imageData) {<br \/>\n        return compressor.compress(imageData, level.getLevel());<br \/>\n    }<\/p>\n<p>    public byte[] decompressImage(byte[] compressedData) {<br \/>\n        return compressor.decompress(compressedData);<br \/>\n    }<\/p>\n<p>    public String getCompressionName() {<br \/>\n        return &#034;LZ4&#034;;<br \/>\n    }<\/p>\n<p>    public double getCompressionRatio(byte[] original, byte[] compressed) {<br \/>\n        return (double) original.length \/ compressed.length;<br \/>\n    }<\/p>\n<p>    public boolean isSupported() {<br \/>\n        return LZ4Compressor.isAvailable();<br \/>\n    }<\/p>\n<p>    public CompressionLevel getOptimalLevel() {<br \/>\n        return CompressionLevel.FAST;<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ ZSTD\u538b\u7f29\u7b56\u7565<br \/>\nclass ZstdCompressionStrategy implements ImageCompressionStrategy {<br \/>\n    private ZstdCompressor compressor;<br \/>\n    private CompressionLevel level;<\/p>\n<p>    public ZstdCompressionStrategy() {<br \/>\n        this.compressor &#061; new ZstdCompressor();<br \/>\n        this.level &#061; CompressionLevel.MAXIMUM;<br \/>\n    }<\/p>\n<p>    public byte[] compressImage(byte[] imageData) {<br \/>\n        return compressor.compress(imageData, level.getLevel());<br \/>\n    }<\/p>\n<p>    public byte[] decompressImage(byte[] compressedData) {<br \/>\n        return compressor.decompress(compressedData);<br \/>\n    }<\/p>\n<p>    public String getCompressionName() {<br \/>\n        return &#034;ZSTD&#034;;<br \/>\n    }<\/p>\n<p>    public double getCompressionRatio(byte[] original, byte[] compressed) {<br \/>\n        return (double) original.length \/ compressed.length;<br \/>\n    }<\/p>\n<p>    public boolean isSupported() {<br \/>\n        return ZstdCompressor.isAvailable();<br \/>\n    }<\/p>\n<p>    public CompressionLevel getOptimalLevel() {<br \/>\n        return CompressionLevel.MAXIMUM;<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ XZ\u538b\u7f29\u7b56\u7565<br \/>\nclass XZCompressionStrategy implements ImageCompressionStrategy {<br \/>\n    private XZCompressor compressor;<br \/>\n    private CompressionLevel level;<\/p>\n<p>    public XZCompressionStrategy() {<br \/>\n        this.compressor &#061; new XZCompressor();<br \/>\n        this.level &#061; CompressionLevel.MAXIMUM;<br \/>\n    }<\/p>\n<p>    public byte[] compressImage(byte[] imageData) {<br \/>\n        return compressor.compress(imageData, level.getLevel());<br \/>\n    }<\/p>\n<p>    public byte[] decompressImage(byte[] compressedData) {<br \/>\n        return compressor.decompress(compressedData);<br \/>\n    }<\/p>\n<p>    public String getCompressionName() {<br \/>\n        return &#034;XZ&#034;;<br \/>\n    }<\/p>\n<p>    public double getCompressionRatio(byte[] original, byte[] compressed) {<br \/>\n        return (double) original.length \/ compressed.length;<br \/>\n    }<\/p>\n<p>    public boolean isSupported() {<br \/>\n        return XZCompressor.isAvailable();<br \/>\n    }<\/p>\n<p>    public CompressionLevel getOptimalLevel() {<br \/>\n        return CompressionLevel.MAXIMUM;<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u955c\u50cf\u538b\u7f29\u7b56\u7565\u9009\u62e9\u5668<br \/>\nclass ImageCompressionStrategySelector {<br \/>\n    private List&lt;ImageCompressionStrategy&gt; strategies;<br \/>\n    private CompressionCriteria criteria;<\/p>\n<p>    public ImageCompressionStrategySelector() {<br \/>\n        strategies &#061; Arrays.asList(<br \/>\n            new GzipCompressionStrategy(),<br \/>\n            new LZ4CompressionStrategy(),<br \/>\n            new ZstdCompressionStrategy(),<br \/>\n            new XZCompressionStrategy()<br \/>\n        );<br \/>\n        criteria &#061; new CompressionCriteria();<br \/>\n    }<\/p>\n<p>    public ImageCompressionStrategy selectStrategy(ImageType imageType, CompressionGoal goal) {<br \/>\n        \/\/ \u57fa\u4e8e\u955c\u50cf\u7c7b\u578b\u548c\u76ee\u6807\u9009\u62e9\u7b56\u7565<br \/>\n        updateSelectionCriteria(imageType, goal);<\/p>\n<p>        \/\/ \u901f\u5ea6\u4f18\u5148<br \/>\n        if (goal &#061;&#061; CompressionGoal.SPEED) {<br \/>\n            return selectFastestStrategy();<br \/>\n        }<\/p>\n<p>        \/\/ \u5927\u5c0f\u4f18\u5148<br \/>\n        if (goal &#061;&#061; CompressionGoal.SIZE) {<br \/>\n            return selectBestCompressionStrategy();<br \/>\n        }<\/p>\n<p>        \/\/ \u5e73\u8861\u7b56\u7565<br \/>\n        if (goal &#061;&#061; CompressionGoal.BALANCED) {<br \/>\n            return selectBalancedStrategy();<br \/>\n        }<\/p>\n<p>        \/\/ \u9ed8\u8ba4\u7b56\u7565<br \/>\n        return selectDefaultStrategy();<br \/>\n    }<\/p>\n<p>    public ImageCompressionStrategy selectStrategyByName(String name) {<br \/>\n        for (ImageCompressionStrategy strategy : strategies) {<br \/>\n            if (strategy.getCompressionName().equalsIgnoreCase(name) &amp;&amp; strategy.isSupported()) {<br \/>\n                return strategy;<br \/>\n            }<br \/>\n        }<br \/>\n        return selectDefaultStrategy();<br \/>\n    }<\/p>\n<p>    public List&lt;ImageCompressionStrategy&gt; getSupportedStrategies() {<br \/>\n        return strategies.stream()<br \/>\n            .filter(ImageCompressionStrategy::isSupported)<br \/>\n            .collect(Collectors.toList());<br \/>\n    }<\/p>\n<p>    public CompressionStrategyInfo getStrategyInfo(ImageCompressionStrategy strategy) {<br \/>\n        return new CompressionStrategyInfo(<br \/>\n            strategy.getCompressionName(),<br \/>\n            strategy.getOptimalLevel(),<br \/>\n            strategy.isSupported()<br \/>\n        );<br \/>\n    }<\/p>\n<p>    private void updateSelectionCriteria(ImageType imageType, CompressionGoal goal) {<br \/>\n        criteria.setImageType(imageType);<br \/>\n        criteria.setCompressionGoal(goal);<br \/>\n        criteria.setAvailableMemory(getAvailableMemory());<br \/>\n        criteria.setTimeConstraints(getTimeConstraints());<br \/>\n    }<\/p>\n<p>    private ImageCompressionStrategy selectFastestStrategy() {<br \/>\n        \/\/ \u9009\u62e9\u6700\u5feb\u7684\u538b\u7f29\u7b56\u7565<br \/>\n        return strategies.stream()<br \/>\n            .filter(ImageCompressionStrategy::isSupported)<br \/>\n            .min((s1, s2) -&gt; Double.compare(<br \/>\n                estimateCompressionTime(s1),<br \/>\n                estimateCompressionTime(s2)))<br \/>\n            .orElse(selectDefaultStrategy());<br \/>\n    }<\/p>\n<p>    private ImageCompressionStrategy selectBestCompressionStrategy() {<br \/>\n        \/\/ \u9009\u62e9\u538b\u7f29\u7387\u6700\u597d\u7684\u7b56\u7565<br \/>\n        return strategies.stream()<br \/>\n            .filter(ImageCompressionStrategy::isSupported)<br \/>\n            .max((s1, s2) -&gt; Double.compare(<br \/>\n                estimateCompressionRatio(s1),<br \/>\n                estimateCompressionRatio(s2)))<br \/>\n            .orElse(selectDefaultStrategy());<br \/>\n    }<\/p>\n<p>    private ImageCompressionStrategy selectBalancedStrategy() {<br \/>\n        \/\/ \u9009\u62e9\u5e73\u8861\u901f\u5ea6\u548c\u538b\u7f29\u7387\u7684\u7b56\u7565<br \/>\n        return strategies.stream()<br \/>\n            .filter(ImageCompressionStrategy::isSupported)<br \/>\n            .min((s1, s2) -&gt; Double.compare(<br \/>\n                Math.abs(estimateCompressionTime(s1) &#8211; TARGET_TIME) &#043;<br \/>\n                Math.abs(estimateCompressionRatio(s1) &#8211; TARGET_RATIO),<br \/>\n                Math.abs(estimateCompressionTime(s2) &#8211; TARGET_TIME) &#043;<br \/>\n                Math.abs(estimateCompressionRatio(s2) &#8211; TARGET_RATIO)))<br \/>\n            .orElse(selectDefaultStrategy());<br \/>\n    }<\/p>\n<p>    private ImageCompressionStrategy selectDefaultStrategy() {<br \/>\n        \/\/ \u9ed8\u8ba4\u9009\u62e9GZIP&#xff08;\u901a\u5e38\u53ef\u7528\u4e14\u5e73\u8861&#xff09;<br \/>\n        return strategies.stream()<br \/>\n            .filter(s -&gt; s.getCompressionName().equals(&#034;GZIP&#034;) &amp;&amp; s.isSupported())<br \/>\n            .findFirst()<br \/>\n            .orElse(strategies.get(0));<br \/>\n    }<\/p>\n<p>    private double estimateCompressionTime(ImageCompressionStrategy strategy) {<br \/>\n        \/\/ \u4f30\u7b97\u538b\u7f29\u65f6\u95f4&#xff08;\u57fa\u4e8e\u5386\u53f2\u6570\u636e\u548c\u5f53\u524d\u7cfb\u7edf&#xff09;<br \/>\n        return CompressionTimeEstimator.estimateTime(strategy, criteria);<br \/>\n    }<\/p>\n<p>    private double estimateCompressionRatio(ImageCompressionStrategy strategy) {<br \/>\n        \/\/ \u4f30\u7b97\u538b\u7f29\u7387&#xff08;\u57fa\u4e8e\u7b97\u6cd5\u7279\u6027\u548c\u6d4b\u8bd5\u6570\u636e&#xff09;<br \/>\n        return CompressionRatioEstimator.estimateRatio(strategy, criteria);<br \/>\n    }<\/p>\n<p>    private long getAvailableMemory() {<br \/>\n        \/\/ \u83b7\u53d6\u53ef\u7528\u5185\u5b58<br \/>\n        return MemoryInfo.getAvailableMemory();<br \/>\n    }<\/p>\n<p>    private TimeConstraints getTimeConstraints() {<br \/>\n        \/\/ \u83b7\u53d6\u65f6\u95f4\u9650\u5236<br \/>\n        return BootConfig.getTimeConstraints();<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u667a\u80fd\u955c\u50cf\u538b\u7f29\u5668<br \/>\nclass SmartImageCompressor {<br \/>\n    private ImageCompressionStrategySelector selector;<br \/>\n    private CompressionStatistics stats;<\/p>\n<p>    public SmartImageCompressor() {<br \/>\n        this.selector &#061; new ImageCompressionStrategySelector();<br \/>\n        this.stats &#061; new CompressionStatistics();<br \/>\n    }<\/p>\n<p>    public CompressedImage compressImage(byte[] imageData, ImageType imageType, CompressionGoal goal) {<br \/>\n        long compressionStartTime &#061; System.nanoTime();<\/p>\n<p>        \/\/ 1. \u9009\u62e9\u538b\u7f29\u7b56\u7565<br \/>\n        ImageCompressionStrategy strategy &#061; selector.selectStrategy(imageType, goal);<br \/>\n        if (strategy &#061;&#061; null) {<br \/>\n            throw new CompressionException(&#034;No suitable compression strategy found&#034;);<br \/>\n        }<\/p>\n<p>        \/\/ 2. \u6267\u884c\u538b\u7f29<br \/>\n        byte[] compressedData &#061; strategy.compressImage(imageData);<\/p>\n<p>        long compressionEndTime &#061; System.nanoTime();<br \/>\n        long compressionTime &#061; compressionEndTime &#8211; compressionStartTime;<\/p>\n<p>        \/\/ 3. \u8ba1\u7b97\u538b\u7f29\u7edf\u8ba1<br \/>\n        double compressionRatio &#061; strategy.getCompressionRatio(imageData, compressedData);<\/p>\n<p>        \/\/ 4. \u8bb0\u5f55\u7edf\u8ba1\u4fe1\u606f<br \/>\n        stats.recordCompression(<br \/>\n            strategy.getCompressionName(),<br \/>\n            imageData.length,<br \/>\n            compressedData.length,<br \/>\n            compressionTime,<br \/>\n            compressionRatio<br \/>\n        );<\/p>\n<p>        \/\/ 5. \u521b\u5efa\u538b\u7f29\u955c\u50cf\u5bf9\u8c61<br \/>\n        CompressedImage compressedImage &#061; new CompressedImage(<br \/>\n            compressedData,<br \/>\n            strategy.getCompressionName(),<br \/>\n            compressionRatio,<br \/>\n            compressionTime<br \/>\n        );<\/p>\n<p>        return compressedImage;<br \/>\n    }<\/p>\n<p>    public byte[] decompressImage(CompressedImage compressedImage) {<br \/>\n        \/\/ 1. \u83b7\u53d6\u76f8\u5e94\u7684\u89e3\u538b\u7b56\u7565<br \/>\n        ImageCompressionStrategy strategy &#061; selector.selectStrategyByName(<br \/>\n            compressedImage.getCompressionAlgorithm());<\/p>\n<p>        if (strategy &#061;&#061; null) {<br \/>\n            throw new CompressionException(&#034;Compression algorithm not supported: &#034; &#043;<br \/>\n                                         compressedImage.getCompressionAlgorithm());<br \/>\n        }<\/p>\n<p>        \/\/ 2. \u6267\u884c\u89e3\u538b<br \/>\n        return strategy.decompressImage(compressedImage.getCompressedData());<br \/>\n    }<\/p>\n<p>    public List&lt;CompressionStrategyInfo&gt; getAvailableStrategies() {<br \/>\n        return selector.getSupportedStrategies().stream()<br \/>\n            .map(selector::getStrategyInfo)<br \/>\n            .collect(Collectors.toList());<br \/>\n    }<\/p>\n<p>    public CompressionStatistics getCompressionStatistics() {<br \/>\n        return new CompressionStatistics(stats);<br \/>\n    }<\/p>\n<p>    public void configureCompression(CompressionConfiguration config) {<br \/>\n        \/\/ \u5e94\u7528\u538b\u7f29\u914d\u7f6e<br \/>\n        \/\/ \u53ef\u4ee5\u8bbe\u7f6e\u9ed8\u8ba4\u7b56\u7565\u3001\u65f6\u95f4\u9650\u5236\u7b49<br \/>\n    }<br \/>\n}<\/p>\n<h3>6.3 \u89c2\u5bdf\u8005\u6a21\u5f0f\u5728\u5f15\u5bfc\u4e8b\u4ef6\u76d1\u63a7\u4e2d\u7684\u4f53\u73b0<\/h3>\n<p>\u2003\u2003\u89c2\u5bdf\u8005\u6a21\u5f0f\u5728\u5f15\u5bfc\u4e8b\u4ef6\u76d1\u63a7\u4e2d\u7684\u4f53\u73b0&#xff1a;<\/p>\n<p>\/\/ \u5f15\u5bfc\u4e8b\u4ef6\u7c7b\u578b<br \/>\nenum BootEventType {<br \/>\n    BOOT_STARTED,<br \/>\n    HARDWARE_DETECTED,<br \/>\n    FIRMWARE_INTERACTION_COMPLETED,<br \/>\n    KERNEL_IMAGE_LOADED,<br \/>\n    DEVICE_TREE_PROCESSED,<br \/>\n    MEMORY_INITIALIZED,<br \/>\n    KERNEL_EXECUTION_STARTED,<br \/>\n    SYSTEM_SERVICES_STARTED,<br \/>\n    BOOT_COMPLETED_SUCCESSFULLY,<br \/>\n    BOOT_FAILED,<br \/>\n    BOOT_SECURITY_VIOLATION,<br \/>\n    BOOT_HARDWARE_ERROR,<br \/>\n    BOOT_CONFIGURATION_ERROR,<br \/>\n    BOOT_TIMEOUT<br \/>\n}<\/p>\n<p>\/\/ \u5f15\u5bfc\u4e8b\u4ef6<br \/>\nclass BootEvent {<br \/>\n    private BootEventType type;<br \/>\n    private Object source;<br \/>\n    private Map&lt;String, Object&gt; eventData;<br \/>\n    private long timestamp;<br \/>\n    private String description;<\/p>\n<p>    public BootEvent(BootEventType type, Object source, String description) {<br \/>\n        this.type &#061; type;<br \/>\n        this.source &#061; source;<br \/>\n        this.description &#061; description;<br \/>\n        this.timestamp &#061; System.nanoTime();<br \/>\n        this.eventData &#061; new HashMap&lt;&gt;();<br \/>\n    }<\/p>\n<p>    \/\/ Getters and setters<br \/>\n    public BootEventType getType() { return type; }<br \/>\n    public Object getSource() { return source; }<br \/>\n    public long getTimestamp() { return timestamp; }<br \/>\n    public String getDescription() { return description; }<br \/>\n    public Map&lt;String, Object&gt; getEventData() { return eventData; }<\/p>\n<p>    public void addEventData(String key, Object value) {<br \/>\n        eventData.put(key, value);<br \/>\n    }<\/p>\n<p>    public Object getEventData(String key) {<br \/>\n        return eventData.get(key);<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u5f15\u5bfc\u89c2\u5bdf\u8005\u63a5\u53e3<br \/>\ninterface BootObserver {<br \/>\n    void onBootEvent(BootEvent event);<br \/>\n    boolean isInterestedInEvent(BootEventType type);<br \/>\n    String getObserverName();<br \/>\n    ObserverPriority getPriority();<br \/>\n}<\/p>\n<p>\/\/ \u5f15\u5bfc\u8fdb\u5ea6\u76d1\u63a7\u89c2\u5bdf\u8005<br \/>\nclass BootProgressMonitor implements BootObserver {<br \/>\n    private List&lt;BootEvent&gt; bootEvents;<br \/>\n    private BootProgress progress;<br \/>\n    private long bootStartTime;<\/p>\n<p>    public BootProgressMonitor() {<br \/>\n        this.bootEvents &#061; new ArrayList&lt;&gt;();<br \/>\n        this.progress &#061; new BootProgress();<br \/>\n        this.bootStartTime &#061; 0;<br \/>\n    }<\/p>\n<p>    public void onBootEvent(BootEvent event) {<br \/>\n        \/\/ \u8bb0\u5f55\u4e8b\u4ef6<br \/>\n        bootEvents.add(event);<\/p>\n<p>        \/\/ \u66f4\u65b0\u8fdb\u5ea6<br \/>\n        updateBootProgress(event);<\/p>\n<p>        \/\/ \u7279\u6b8a\u4e8b\u4ef6\u5904\u7406<br \/>\n        handleSpecialEvents(event);<\/p>\n<p>        \/\/ \u663e\u793a\u8fdb\u5ea6&#xff08;\u5982\u679c\u542f\u7528&#xff09;<br \/>\n        displayProgressIfEnabled(event);<br \/>\n    }<\/p>\n<p>    public boolean isInterestedInEvent(BootEventType type) {<br \/>\n        return true; \/\/ \u76d1\u63a7\u6240\u6709\u5f15\u5bfc\u4e8b\u4ef6<br \/>\n    }<\/p>\n<p>    public String getObserverName() {<br \/>\n        return &#034;BootProgressMonitor&#034;;<br \/>\n    }<\/p>\n<p>    public ObserverPriority getPriority() {<br \/>\n        return ObserverPriority.HIGH;<br \/>\n    }<\/p>\n<p>    private void updateBootProgress(BootEvent event) {<br \/>\n        switch (event.getType()) {<br \/>\n        case BOOT_STARTED:<br \/>\n            bootStartTime &#061; event.getTimestamp();<br \/>\n            progress.setStage(BootStage.INITIALIZING);<br \/>\n            break;<br \/>\n        case HARDWARE_DETECTED:<br \/>\n            progress.setStage(BootStage.HARDWARE_READY);<br \/>\n            progress.setProgress(20);<br \/>\n            break;<br \/>\n        case KERNEL_IMAGE_LOADED:<br \/>\n            progress.setStage(BootStage.KERNEL_LOADING);<br \/>\n            progress.setProgress(60);<br \/>\n            break;<br \/>\n        case KERNEL_EXECUTION_STARTED:<br \/>\n            progress.setStage(BootStage.KERNEL_STARTING);<br \/>\n            progress.setProgress(80);<br \/>\n            break;<br \/>\n        case BOOT_COMPLETED_SUCCESSFULLY:<br \/>\n            progress.setStage(BootStage.COMPLETED);<br \/>\n            progress.setProgress(100);<br \/>\n            long bootDuration &#061; event.getTimestamp() &#8211; bootStartTime;<br \/>\n            progress.setBootDuration(bootDuration);<br \/>\n            break;<br \/>\n        case BOOT_FAILED:<br \/>\n            progress.setStage(BootStage.FAILED);<br \/>\n            progress.setErrorMessage(event.getDescription());<br \/>\n            break;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void handleSpecialEvents(BootEvent event) {<br \/>\n        switch (event.getType()) {<br \/>\n        case BOOT_SECURITY_VIOLATION:<br \/>\n            handleSecurityViolation(event);<br \/>\n            break;<br \/>\n        case BOOT_HARDWARE_ERROR:<br \/>\n            handleHardwareError(event);<br \/>\n            break;<br \/>\n        case BOOT_TIMEOUT:<br \/>\n            handleBootTimeout(event);<br \/>\n            break;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void displayProgressIfEnabled(BootEvent event) {<br \/>\n        if (isProgressDisplayEnabled()) {<br \/>\n            displayBootProgress(progress, event);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void handleSecurityViolation(BootEvent event) {<br \/>\n        System.err.println(&#034;Security violation during boot: &#034; &#043; event.getDescription());<br \/>\n        \/\/ \u53ef\u80fd\u89e6\u53d1\u5b89\u5168\u54cd\u5e94<br \/>\n    }<\/p>\n<p>    private void handleHardwareError(BootEvent event) {<br \/>\n        System.err.println(&#034;Hardware error during boot: &#034; &#043; event.getDescription());<br \/>\n        \/\/ \u53ef\u80fd\u5c1d\u8bd5\u786c\u4ef6\u91cd\u7f6e\u6216\u964d\u7ea7\u5f15\u5bfc<br \/>\n    }<\/p>\n<p>    private void handleBootTimeout(BootEvent event) {<br \/>\n        System.err.println(&#034;Boot timeout: &#034; &#043; event.getDescription());<br \/>\n        \/\/ \u53ef\u80fd\u91cd\u542f\u5f15\u5bfc\u8fc7\u7a0b\u6216\u8fdb\u5165\u6062\u590d\u6a21\u5f0f<br \/>\n    }<\/p>\n<p>    private boolean isProgressDisplayEnabled() {<br \/>\n        return Boolean.getBoolean(&#034;boot.progress.display&#034;);<br \/>\n    }<\/p>\n<p>    private void displayBootProgress(BootProgress progress, BootEvent event) {<br \/>\n        System.out.println(&#034;[BOOT] &#034; &#043; progress.getStage() &#043; &#034; &#8211; &#034; &#043;<br \/>\n                          progress.getProgress() &#043; &#034;% &#8211; &#034; &#043; event.getDescription());<br \/>\n    }<\/p>\n<p>    public BootProgress getCurrentProgress() {<br \/>\n        return new BootProgress(progress);<br \/>\n    }<\/p>\n<p>    public List&lt;BootEvent&gt; getBootEvents() {<br \/>\n        return new ArrayList&lt;&gt;(bootEvents);<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u5f15\u5bfc\u6027\u80fd\u5206\u6790\u89c2\u5bdf\u8005<br \/>\nclass BootPerformanceAnalyzer implements BootObserver {<br \/>\n    private Map&lt;String, Long&gt; phaseTimings;<br \/>\n    private Map&lt;BootEventType, Long&gt; eventTimings;<br \/>\n    private BootPerformanceMetrics metrics;<\/p>\n<p>    public BootPerformanceAnalyzer() {<br \/>\n        this.phaseTimings &#061; new HashMap&lt;&gt;();<br \/>\n        this.eventTimings &#061; new HashMap&lt;&gt;();<br \/>\n        this.metrics &#061; new BootPerformanceMetrics();<br \/>\n    }<\/p>\n<p>    public void onBootEvent(BootEvent event) {<br \/>\n        \/\/ \u8bb0\u5f55\u4e8b\u4ef6\u65f6\u95f4\u6233<br \/>\n        eventTimings.put(event.getType(), event.getTimestamp());<\/p>\n<p>        \/\/ \u8ba1\u7b97\u9636\u6bb5\u65f6\u95f4<br \/>\n        calculatePhaseTiming(event);<\/p>\n<p>        \/\/ \u66f4\u65b0\u6027\u80fd\u6307\u6807<br \/>\n        updatePerformanceMetrics(event);<\/p>\n<p>        \/\/ \u68c0\u67e5\u6027\u80fd\u9608\u503c<br \/>\n        checkPerformanceThresholds(event);<br \/>\n    }<\/p>\n<p>    public boolean isInterestedInEvent(BootEventType type) {<br \/>\n        return type !&#061; BOOT_COMPLETED_SUCCESSFULLY &amp;&amp; type !&#061; BOOT_FAILED;<br \/>\n    }<\/p>\n<p>    public String getObserverName() {<br \/>\n        return &#034;BootPerformanceAnalyzer&#034;;<br \/>\n    }<\/p>\n<p>    public ObserverPriority getPriority() {<br \/>\n        return ObserverPriority.MEDIUM;<br \/>\n    }<\/p>\n<p>    private void calculatePhaseTiming(BootEvent event) {<br \/>\n        switch (event.getType()) {<br \/>\n        case BOOT_STARTED:<br \/>\n            phaseTimings.put(&#034;boot_start&#034;, event.getTimestamp());<br \/>\n            break;<br \/>\n        case HARDWARE_DETECTED:<br \/>\n            phaseTimings.put(&#034;hardware_detection&#034;, event.getTimestamp());<br \/>\n            break;<br \/>\n        case KERNEL_IMAGE_LOADED:<br \/>\n            phaseTimings.put(&#034;kernel_loading&#034;, event.getTimestamp());<br \/>\n            break;<br \/>\n        case KERNEL_EXECUTION_STARTED:<br \/>\n            phaseTimings.put(&#034;kernel_execution&#034;, event.getTimestamp());<br \/>\n            break;<br \/>\n        case BOOT_COMPLETED_SUCCESSFULLY:<br \/>\n            phaseTimings.put(&#034;boot_completion&#034;, event.getTimestamp());<br \/>\n            calculateTotalBootTime();<br \/>\n            break;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void calculateTotalBootTime() {<br \/>\n        Long startTime &#061; phaseTimings.get(&#034;boot_start&#034;);<br \/>\n        Long endTime &#061; phaseTimings.get(&#034;boot_completion&#034;);<\/p>\n<p>        if (startTime !&#061; null &amp;&amp; endTime !&#061; null) {<br \/>\n            long totalTime &#061; endTime &#8211; startTime;<br \/>\n            metrics.setTotalBootTime(totalTime);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void updatePerformanceMetrics(BootEvent event) {<br \/>\n        \/\/ \u66f4\u65b0\u5404\u9879\u6027\u80fd\u6307\u6807<br \/>\n        switch (event.getType()) {<br \/>\n        case KERNEL_IMAGE_LOADED:<br \/>\n            updateImageLoadingMetrics(event);<br \/>\n            break;<br \/>\n        case DEVICE_TREE_PROCESSED:<br \/>\n            updateDeviceTreeMetrics(event);<br \/>\n            break;<br \/>\n        case MEMORY_INITIALIZED:<br \/>\n            updateMemoryInitMetrics(event);<br \/>\n            break;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void updateImageLoadingMetrics(BootEvent event) {<br \/>\n        Object loadTime &#061; event.getEventData(&#034;load_time&#034;);<br \/>\n        if (loadTime instanceof Long) {<br \/>\n            metrics.setImageLoadTime((Long) loadTime);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void updateDeviceTreeMetrics(BootEvent event) {<br \/>\n        Object processTime &#061; event.getEventData(&#034;process_time&#034;);<br \/>\n        if (processTime instanceof Long) {<br \/>\n            metrics.setDeviceTreeProcessTime((Long) processTime);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void updateMemoryInitMetrics(BootEvent event) {<br \/>\n        Object initTime &#061; event.getEventData(&#034;init_time&#034;);<br \/>\n        if (initTime instanceof Long) {<br \/>\n            metrics.setMemoryInitTime((Long) initTime);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void checkPerformanceThresholds(BootEvent event) {<br \/>\n        \/\/ \u68c0\u67e5\u5404\u9879\u6027\u80fd\u6307\u6807\u662f\u5426\u8d85\u8fc7\u9608\u503c<br \/>\n        if (metrics.getImageLoadTime() &gt; IMAGE_LOAD_TIME_THRESHOLD) {<br \/>\n            logPerformanceWarning(&#034;Image loading time exceeds threshold&#034;, event);<br \/>\n        }<\/p>\n<p>        if (metrics.getTotalBootTime() &gt; TOTAL_BOOT_TIME_THRESHOLD) {<br \/>\n            logPerformanceWarning(&#034;Total boot time exceeds threshold&#034;, event);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void logPerformanceWarning(String message, BootEvent event) {<br \/>\n        System.out.println(&#034;[PERF WARNING] &#034; &#043; message &#043; &#034; at &#034; &#043; event.getType());<br \/>\n    }<\/p>\n<p>    public BootPerformanceMetrics getPerformanceMetrics() {<br \/>\n        return new BootPerformanceMetrics(metrics);<br \/>\n    }<\/p>\n<p>    public Map&lt;String, Long&gt; getPhaseTimings() {<br \/>\n        return new HashMap&lt;&gt;(phaseTimings);<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u5f15\u5bfc\u5b89\u5168\u76d1\u63a7\u89c2\u5bdf\u8005<br \/>\nclass BootSecurityMonitor implements BootObserver {<br \/>\n    private List&lt;SecurityEvent&gt; securityEvents;<br \/>\n    private SecurityState securityState;<br \/>\n    private SecurityPolicy policy;<\/p>\n<p>    public BootSecurityMonitor() {<br \/>\n        this.securityEvents &#061; new ArrayList&lt;&gt;();<br \/>\n        this.securityState &#061; new SecurityState();<br \/>\n        this.policy &#061; new SecurityPolicy();<br \/>\n    }<\/p>\n<p>    public void onBootEvent(BootEvent event) {<br \/>\n        \/\/ \u5206\u6790\u4e8b\u4ef6\u7684\u5b89\u5168\u542b\u4e49<br \/>\n        analyzeSecurityImplications(event);<\/p>\n<p>        \/\/ \u68c0\u67e5\u5b89\u5168\u8fdd\u89c4<br \/>\n        checkSecurityViolations(event);<\/p>\n<p>        \/\/ \u66f4\u65b0\u5b89\u5168\u72b6\u6001<br \/>\n        updateSecurityState(event);<\/p>\n<p>        \/\/ \u8bb0\u5f55\u5b89\u5168\u76f8\u5173\u4e8b\u4ef6<br \/>\n        if (isSecurityRelevant(event)) {<br \/>\n            recordSecurityEvent(event);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    public boolean isInterestedInEvent(BootEventType type) {<br \/>\n        return type &#061;&#061; BOOT_SECURITY_VIOLATION ||<br \/>\n               type &#061;&#061; BOOT_STARTED ||<br \/>\n               type &#061;&#061; KERNEL_IMAGE_LOADED ||<br \/>\n               type &#061;&#061; BOOT_COMPLETED_SUCCESSFULLY ||<br \/>\n               type &#061;&#061; BOOT_FAILED;<br \/>\n    }<\/p>\n<p>    public String getObserverName() {<br \/>\n        return &#034;BootSecurityMonitor&#034;;<br \/>\n    }<\/p>\n<p>    public ObserverPriority getPriority() {<br \/>\n        return ObserverPriority.CRITICAL;<br \/>\n    }<\/p>\n<p>    private void analyzeSecurityImplications(BootEvent event) {<br \/>\n        switch (event.getType()) {<br \/>\n        case BOOT_STARTED:<br \/>\n            verifyBootIntegrity(event);<br \/>\n            break;<br \/>\n        case KERNEL_IMAGE_LOADED:<br \/>\n            verifyKernelIntegrity(event);<br \/>\n            break;<br \/>\n        case BOOT_SECURITY_VIOLATION:<br \/>\n            handleSecurityViolation(event);<br \/>\n            break;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void checkSecurityViolations(BootEvent event) {<br \/>\n        if (violatesSecurityPolicy(event)) {<br \/>\n            securityEvents.add(new SecurityEvent(<br \/>\n                SecurityEventType.POLICY_VIOLATION,<br \/>\n                event.getDescription(),<br \/>\n                event.getTimestamp()<br \/>\n            ));<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void updateSecurityState(BootEvent event) {<br \/>\n        switch (event.getType()) {<br \/>\n        case BOOT_STARTED:<br \/>\n            securityState.setState(SecurityStateType.BOOT_STARTED);<br \/>\n            break;<br \/>\n        case KERNEL_IMAGE_LOADED:<br \/>\n            securityState.setState(SecurityStateType.KERNEL_LOADED);<br \/>\n            break;<br \/>\n        case BOOT_COMPLETED_SUCCESSFULLY:<br \/>\n            securityState.setState(SecurityStateType.BOOT_COMPLETED);<br \/>\n            break;<br \/>\n        case BOOT_FAILED:<br \/>\n            securityState.setState(SecurityStateType.BOOT_FAILED);<br \/>\n            break;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private boolean isSecurityRelevant(BootEvent event) {<br \/>\n        return event.getType() &#061;&#061; BOOT_SECURITY_VIOLATION ||<br \/>\n               event.getType() &#061;&#061; BOOT_STARTED ||<br \/>\n               event.getType() &#061;&#061; BOOT_COMPLETED_SUCCESSFULLY;<br \/>\n    }<\/p>\n<p>    private void recordSecurityEvent(BootEvent event) {<br \/>\n        SecurityEvent secEvent &#061; new SecurityEvent(<br \/>\n            mapBootEventToSecurityEvent(event.getType()),<br \/>\n            event.getDescription(),<br \/>\n            event.getTimestamp()<br \/>\n        );<\/p>\n<p>        \/\/ \u6dfb\u52a0\u989d\u5916\u5b89\u5168\u76f8\u5173\u6570\u636e<br \/>\n        secEvent.addData(&#034;source_component&#034;, event.getSource());<br \/>\n        secEvent.addData(&#034;event_data&#034;, event.getEventData());<\/p>\n<p>        securityEvents.add(secEvent);<br \/>\n    }<\/p>\n<p>    private SecurityEventType mapBootEventToSecurityEvent(BootEventType bootType) {<br \/>\n        switch (bootType) {<br \/>\n        case BOOT_SECURITY_VIOLATION:<br \/>\n            return SecurityEventType.SECURITY_VIOLATION;<br \/>\n        case BOOT_STARTED:<br \/>\n            return SecurityEventType.BOOT_INITIATED;<br \/>\n        case BOOT_COMPLETED_SUCCESSFULLY:<br \/>\n            return SecurityEventType.BOOT_SUCCESSFUL;<br \/>\n        default:<br \/>\n            return SecurityEventType.GENERAL_EVENT;<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void verifyBootIntegrity(BootEvent event) {<br \/>\n        \/\/ \u9a8c\u8bc1\u5f15\u5bfc\u5b8c\u6574\u6027<br \/>\n        if (!isBootEnvironmentSecure()) {<br \/>\n            logSecurityIssue(&#034;Boot environment integrity compromised&#034;, event);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void verifyKernelIntegrity(BootEvent event) {<br \/>\n        \/\/ \u9a8c\u8bc1\u5185\u6838\u955c\u50cf\u5b8c\u6574\u6027<br \/>\n        Object kernelImage &#061; event.getEventData(&#034;kernel_image&#034;);<br \/>\n        if (kernelImage !&#061; null &amp;&amp; !isKernelImageTrusted(kernelImage)) {<br \/>\n            logSecurityIssue(&#034;Kernel image integrity verification failed&#034;, event);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void handleSecurityViolation(BootEvent event) {<br \/>\n        \/\/ \u5904\u7406\u5b89\u5168\u8fdd\u89c4<br \/>\n        logSecurityIssue(&#034;Security violation detected: &#034; &#043; event.getDescription(), event);<\/p>\n<p>        \/\/ \u53ef\u80fd\u89e6\u53d1\u5b89\u5168\u54cd\u5e94\u63aa\u65bd<br \/>\n        triggerSecurityResponse(event);<br \/>\n    }<\/p>\n<p>    private boolean violatesSecurityPolicy(BootEvent event) {<br \/>\n        return policy.isViolation(event);<br \/>\n    }<\/p>\n<p>    private void logSecurityIssue(String message, BootEvent event) {<br \/>\n        System.err.println(&#034;[SECURITY] &#034; &#043; message &#043; &#034; at &#034; &#043; event.getType());<br \/>\n    }<\/p>\n<p>    private void triggerSecurityResponse(BootEvent event) {<br \/>\n        \/\/ \u89e6\u53d1\u5b89\u5168\u54cd\u5e94\u63aa\u65bd<br \/>\n        System.out.println(&#034;Triggering security response for event: &#034; &#043; event.getType());<br \/>\n    }<\/p>\n<p>    private boolean isBootEnvironmentSecure() {<br \/>\n        \/\/ \u68c0\u67e5\u5f15\u5bfc\u73af\u5883\u5b89\u5168\u6027<br \/>\n        return SecurityChecker.isBootEnvironmentSecure();<br \/>\n    }<\/p>\n<p>    private boolean isKernelImageTrusted(Object kernelImage) {<br \/>\n        \/\/ \u9a8c\u8bc1\u5185\u6838\u955c\u50cf\u4fe1\u4efb\u72b6\u6001<br \/>\n        return SecurityChecker.isKernelImageTrusted(kernelImage);<br \/>\n    }<\/p>\n<p>    public SecurityState getCurrentSecurityState() {<br \/>\n        return new SecurityState(securityState);<br \/>\n    }<\/p>\n<p>    public List&lt;SecurityEvent&gt; getSecurityEvents() {<br \/>\n        return new ArrayList&lt;&gt;(securityEvents);<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u5f15\u5bfc\u89c2\u5bdf\u8005\u7ba1\u7406\u5668<br \/>\nclass BootObserverManager {<br \/>\n    private Map&lt;String, BootObserver&gt; observers;<br \/>\n    private Map&lt;BootEventType, List&lt;BootObserver&gt;&gt; eventSubscriptions;<br \/>\n    private BootEventNotificationThread notificationThread;<\/p>\n<p>    public BootObserverManager() {<br \/>\n        this.observers &#061; new HashMap&lt;&gt;();<br \/>\n        this.eventSubscriptions &#061; new HashMap&lt;&gt;();<br \/>\n        this.notificationThread &#061; new BootEventNotificationThread();<\/p>\n<p>        \/\/ \u521d\u59cb\u5316\u4e8b\u4ef6\u8ba2\u9605\u6620\u5c04<br \/>\n        for (BootEventType type : BootEventType.values()) {<br \/>\n            eventSubscriptions.put(type, new ArrayList&lt;&gt;());<br \/>\n        }<\/p>\n<p>        \/\/ \u542f\u52a8\u901a\u77e5\u7ebf\u7a0b<br \/>\n        notificationThread.start();<br \/>\n    }<\/p>\n<p>    public void registerObserver(BootObserver observer) {<br \/>\n        observers.put(observer.getObserverName(), observer);<\/p>\n<p>        \/\/ \u8ba2\u9605\u611f\u5174\u8da3\u7684\u4e8b\u4ef6<br \/>\n        for (BootEventType type : BootEventType.values()) {<br \/>\n            if (observer.isInterestedInEvent(type)) {<br \/>\n                eventSubscriptions.get(type).add(observer);<br \/>\n            }<br \/>\n        }<\/p>\n<p>        \/\/ \u6309\u4f18\u5148\u7ea7\u6392\u5e8f\u89c2\u5bdf\u8005<br \/>\n        for (List&lt;BootObserver&gt; observerList : eventSubscriptions.values()) {<br \/>\n            observerList.sort((o1, o2) -&gt; Integer.compare(o2.getPriority().ordinal(), o1.getPriority().ordinal()));<br \/>\n        }<br \/>\n    }<\/p>\n<p>    public void unregisterObserver(String observerName) {<br \/>\n        BootObserver observer &#061; observers.remove(observerName);<br \/>\n        if (observer !&#061; null) {<br \/>\n            \/\/ \u4ece\u6240\u6709\u4e8b\u4ef6\u8ba2\u9605\u4e2d\u79fb\u9664<br \/>\n            for (List&lt;BootObserver&gt; observerList : eventSubscriptions.values()) {<br \/>\n                observerList.remove(observer);<br \/>\n            }<br \/>\n        }<br \/>\n    }<\/p>\n<p>    public void notifyBootEvent(BootEvent event) {<br \/>\n        notificationThread.enqueueEvent(event);<br \/>\n    }<\/p>\n<p>    public List&lt;BootObserver&gt; getObserversForEvent(BootEventType type) {<br \/>\n        return new ArrayList&lt;&gt;(eventSubscriptions.get(type));<br \/>\n    }<\/p>\n<p>    public BootObserver getObserver(String name) {<br \/>\n        return observers.get(name);<br \/>\n    }<\/p>\n<p>    public Set&lt;String&gt; getRegisteredObserverNames() {<br \/>\n        return new HashSet&lt;&gt;(observers.keySet());<br \/>\n    }<\/p>\n<p>    \/\/ \u5f15\u5bfc\u4e8b\u4ef6\u901a\u77e5\u7ebf\u7a0b<br \/>\n    private class BootEventNotificationThread extends Thread {<br \/>\n        private BlockingQueue&lt;BootEvent&gt; eventQueue;<\/p>\n<p>        public BootEventNotificationThread() {<br \/>\n            this.eventQueue &#061; new LinkedBlockingQueue&lt;&gt;();<br \/>\n            setName(&#034;BootEventNotification&#034;);<br \/>\n            setDaemon(true);<br \/>\n        }<\/p>\n<p>        public void enqueueEvent(BootEvent event) {<br \/>\n            try {<br \/>\n                eventQueue.put(event);<br \/>\n            } catch (InterruptedException e) {<br \/>\n                Thread.currentThread().interrupt();<br \/>\n            }<br \/>\n        }<\/p>\n<p>        public void run() {<br \/>\n            while (!Thread.currentThread().isInterrupted()) {<br \/>\n                try {<br \/>\n                    BootEvent event &#061; eventQueue.take();<br \/>\n                    notifyObserversSync(event);<br \/>\n                } catch (InterruptedException e) {<br \/>\n                    Thread.currentThread().interrupt();<br \/>\n                    break;<br \/>\n                }<br \/>\n            }<br \/>\n        }<\/p>\n<p>        private void notifyObserversSync(BootEvent event) {<br \/>\n            List&lt;BootObserver&gt; interestedObservers &#061; eventSubscriptions.get(event.getType());<\/p>\n<p>            for (BootObserver observer : interestedObservers) {<br \/>\n                try {<br \/>\n                    observer.onBootEvent(event);<br \/>\n                } catch (Exception e) {<br \/>\n                    \/\/ \u8bb0\u5f55\u89c2\u5bdf\u8005\u9519\u8bef&#xff0c;\u4f46\u4e0d\u4e2d\u65ad\u5176\u4ed6\u89c2\u5bdf\u8005<br \/>\n                    System.err.println(&#034;Boot observer error in &#034; &#043; observer.getObserverName() &#043; &#034;: &#034; &#043; e.getMessage());<br \/>\n                }<br \/>\n            }<br \/>\n        }<br \/>\n    }<br \/>\n}<\/p>\n<p>\/\/ \u5f15\u5bfc\u7cfb\u7edf&#xff08;\u96c6\u6210\u89c2\u5bdf\u8005\u6a21\u5f0f&#xff09;<br \/>\nclass ObservableBootSystem {<br \/>\n    private BootProcess bootProcess;<br \/>\n    private BootObserverManager observerManager;<br \/>\n    private BootHealthMonitor healthMonitor;<\/p>\n<p>    public ObservableBootSystem() {<br \/>\n        this.observerManager &#061; new BootObserverManager();<br \/>\n        this.healthMonitor &#061; new BootHealthMonitor();<\/p>\n<p>        \/\/ \u6ce8\u518c\u9ed8\u8ba4\u89c2\u5bdf\u8005<br \/>\n        registerDefaultObservers();<br \/>\n    }<\/p>\n<p>    public void performSystemBoot() {<br \/>\n        \/\/ \u901a\u77e5\u5f15\u5bfc\u5f00\u59cb<br \/>\n        BootEvent startEvent &#061; new BootEvent(BOOT_STARTED, this, &#034;System boot initiated&#034;);<br \/>\n        observerManager.notifyBootEvent(startEvent);<\/p>\n<p>        try {<br \/>\n            \/\/ \u6267\u884c\u5f15\u5bfc\u6d41\u7a0b<br \/>\n            executeBootSequence();<\/p>\n<p>            \/\/ \u901a\u77e5\u5f15\u5bfc\u6210\u529f<br \/>\n            BootEvent successEvent &#061; new BootEvent(BOOT_COMPLETED_SUCCESSFULLY, this, &#034;System boot completed successfully&#034;);<br \/>\n            observerManager.notifyBootEvent(successEvent);<\/p>\n<p>        } catch (BootException e) {<br \/>\n            \/\/ \u901a\u77e5\u5f15\u5bfc\u5931\u8d25<br \/>\n            BootEvent failureEvent &#061; new BootEvent(BOOT_FAILED, this, &#034;Boot failed: &#034; &#043; e.getMessage());<br \/>\n            observerManager.notifyBootEvent(failureEvent);<\/p>\n<p>            \/\/ \u5c1d\u8bd5\u6062\u590d<br \/>\n            attemptBootRecovery(e);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    private void executeBootSequence() throws BootException {<br \/>\n        \/\/ \u786c\u4ef6\u68c0\u6d4b\u9636\u6bb5<br \/>\n        performHardwareDetection();<\/p>\n<p>        \/\/ \u56fa\u4ef6\u4ea4\u4e92\u9636\u6bb5<br \/>\n        performFirmwareInteraction();<\/p>\n<p>        \/\/ \u955c\u50cf\u52a0\u8f7d\u9636\u6bb5<br \/>\n        performImageLoading();<\/p>\n<p>        \/\/ \u914d\u7f6e\u8bbe\u7f6e\u9636\u6bb5<br \/>\n        performConfigurationSetup();<\/p>\n<p>        \/\/ \u5185\u6838\u542f\u52a8\u9636\u6bb5<br \/>\n        performKernelStartup();<\/p>\n<p>        \/\/ \u7cfb\u7edf\u521d\u59cb\u5316\u9636\u6bb5<br \/>\n        performSystemInitialization();<\/p>\n<p>        \/\/ \u670d\u52a1\u542f\u52a8\u9636\u6bb5<br \/>\n        performServiceStartup();<br \/>\n    }<\/p>\n<p>    private void performHardwareDetection() throws BootException {<br \/>\n        BootEvent event &#061; new BootEvent(HARDWARE_DETECTED, this, &#034;Hardware detection completed&#034;);<br \/>\n        observerManager.notifyBootEvent(event);<br \/>\n    }<\/p>\n<p>    private void performFirmwareInteraction() throws BootException {<br \/>\n        BootEvent event &#061; new BootEvent(FIRMWARE_INTERACTION_COMPLETED, this, &#034;Firmware interaction completed&#034;);<br \/>\n        observerManager.notifyBootEvent(event);<br \/>\n    }<\/p>\n<p>    private void performImageLoading() throws BootException {<br \/>\n        BootEvent event &#061; new BootEvent(KERNEL_IMAGE_LOADED, this, &#034;Kernel image loaded successfully&#034;);<br \/>\n        observerManager.notifyBootEvent(event);<br \/>\n    }<\/p>\n<p>    private void performConfigurationSetup() throws BootException {<br \/>\n        BootEvent event &#061; new BootEvent(DEVICE_TREE_PROCESSED, this, &#034;System configuration completed&#034;);<br \/>\n        observerManager.notifyBootEvent(event);<br \/>\n    }<\/p>\n<p>    private void performKernelStartup() throws BootException {<br \/>\n        BootEvent event &#061; new BootEvent(KERNEL_EXECUTION_STARTED, this, &#034;Kernel execution started&#034;);<br \/>\n        observerManager.notifyBootEvent(event);<br \/>\n    }<\/p>\n<p>    private void performSystemInitialization() throws BootException {<br \/>\n        BootEvent event &#061; new BootEvent(MEMORY_INITIALIZED, this, &#034;System initialization completed&#034;);<br \/>\n        observerManager.notifyBootEvent(event);<br \/>\n    }<\/p>\n<p>    private void performServiceStartup() throws BootException {<br \/>\n        BootEvent event &#061; new BootEvent(SYSTEM_SERVICES_STARTED, this, &#034;System services started&#034;);<br \/>\n        observerManager.notifyBootEvent(event);<br \/>\n    }<\/p>\n<p>    private void attemptBootRecovery(BootException e) {<br \/>\n        \/\/ \u5b9e\u73b0\u5f15\u5bfc\u6062\u590d\u903b\u8f91<br \/>\n        System.out.println(&#034;Attempting boot recovery&#8230;&#034;);<br \/>\n    }<\/p>\n<p>    public void registerBootObserver(BootObserver observer) {<br \/>\n        observerManager.registerObserver(observer);<br \/>\n    }<\/p>\n<p>    public void unregisterBootObserver(String observerName) {<br \/>\n        observerManager.unregisterObserver(observerName);<br \/>\n    }<\/p>\n<p>    public Set&lt;String&gt; getRegisteredObservers() {<br \/>\n        return observerManager.getRegisteredObserverNames();<br \/>\n    }<\/p>\n<p>    public BootObserver getObserver(String name) {<br \/>\n        return observerManager.getObserver(name);<br \/>\n    }<\/p>\n<p>    public BootHealthStatus getBootHealthStatus() {<br \/>\n        return healthMonitor.getCurrentStatus();<br \/>\n    }<\/p>\n<p>    private void registerDefaultObservers() {<br \/>\n        \/\/ \u6ce8\u518c\u5f15\u5bfc\u8fdb\u5ea6\u76d1\u63a7\u89c2\u5bdf\u8005<br \/>\n        registerBootObserver(new BootProgressMonitor());<\/p>\n<p>        \/\/ \u6ce8\u518c\u5f15\u5bfc\u6027\u80fd\u5206\u6790\u89c2\u5bdf\u8005<br \/>\n        registerBootObserver(new BootPerformanceAnalyzer());<\/p>\n<p>        \/\/ \u6ce8\u518c\u5f15\u5bfc\u5b89\u5168\u76d1\u63a7\u89c2\u5bdf\u8005<br \/>\n        registerBootObserver(new BootSecurityMonitor());<br \/>\n    }<\/p>\n<p>    \/\/ \u5f15\u5bfc\u5065\u5eb7\u76d1\u63a7<br \/>\n    private static class BootHealthMonitor {<br \/>\n        private ObservableBootSystem bootSystem;<br \/>\n        private Timer healthCheckTimer;<\/p>\n<p>        public void startMonitoring(ObservableBootSystem bootSystem) {<br \/>\n            this.bootSystem &#061; bootSystem;<br \/>\n            this.healthCheckTimer &#061; new Timer(&#034;BootHealthMonitor&#034;, true);<\/p>\n<p>            healthCheckTimer.scheduleAtFixedRate(new TimerTask() {<br \/>\n                public void run() {<br \/>\n                    performHealthCheck();<br \/>\n                }<br \/>\n            }, 0, BOOT_HEALTH_CHECK_INTERVAL);<br \/>\n        }<\/p>\n<p>        private void performHealthCheck() {<br \/>\n            try {<br \/>\n                \/\/ \u68c0\u67e5\u5f15\u5bfc\u5065\u5eb7\u72b6\u6001<br \/>\n                BootHealthStatus status &#061; checkBootHealth();<\/p>\n<p>                \/\/ \u5982\u679c\u53d1\u73b0\u95ee\u9898&#xff0c;\u901a\u77e5\u89c2\u5bdf\u8005<br \/>\n                if (status.hasIssues()) {<br \/>\n                    BootEvent event &#061; new BootEvent(BOOT_CONFIGURATION_ERROR,<br \/>\n                                                   bootSystem, &#034;Boot health issues detected&#034;);<br \/>\n                    bootSystem.observerManager.notifyBootEvent(event);<br \/>\n                }<\/p>\n<p>            } catch (Exception e) {<br \/>\n                System.err.println(&#034;Boot health check failed: &#034; &#043; e.getMessage());<br \/>\n            }<br \/>\n        }<\/p>\n<p>        private BootHealthStatus checkBootHealth() {<br \/>\n            \/\/ \u5b9e\u73b0\u5f15\u5bfc\u5065\u5eb7\u68c0\u67e5\u903b\u8f91<br \/>\n            return new BootHealthStatus();<br \/>\n        }<\/p>\n<p>        public BootHealthStatus getCurrentStatus() {<br \/>\n            return checkBootHealth();<br \/>\n        }<br \/>\n    }<br \/>\n}<\/p>\n<h2>7. \u72b6\u6001\u673a\u5206\u6790<\/h2>\n<p>\u2003\u2003ARM64 boot\u6a21\u5757\u6574\u4f53\u67b6\u6784\u7684\u72b6\u6001\u673a&#xff1a;<\/p>\n<p>\u7cfb\u7edf\u672a\u5f15\u5bfc -&gt; \u56fa\u4ef6\u521d\u59cb\u5316 -&gt; \u5f15\u5bfc\u52a0\u8f7d\u5668\u6267\u884c -&gt; \u786c\u4ef6\u68c0\u6d4b -&gt; \u5185\u5b58\u521d\u59cb\u5316 -&gt; \u8bbe\u5907\u6811\u5904\u7406 -&gt; \u5185\u6838\u955c\u50cf\u52a0\u8f7d -&gt; EFI\u670d\u52a1\u9000\u51fa -&gt; \u5185\u6838\u63a7\u5236\u6743\u8f6c\u79fb -&gt; \u5185\u6838\u65e9\u671f\u521d\u59cb\u5316 -&gt; \u7cfb\u7edf\u670d\u52a1\u542f\u52a8 -&gt; \u7cfb\u7edf\u5b8c\u5168\u8fd0\u884c<br \/>\n     \u2191                                                                                                                                                                                                 \u2193<br \/>\n\u5f15\u5bfc\u5931\u8d25 &lt;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n     \u2191                                                                                                                                                                                                 \u2193<br \/>\n\u786c\u4ef6\u9519\u8bef -&gt; \u9519\u8bef\u5904\u7406 -&gt; \u5f15\u5bfc\u964d\u7ea7 -&gt; \u5b89\u5168\u6a21\u5f0f\u5f15\u5bfc<br \/>\n     \u2191                                                                                                                                                                                                 \u2193<br \/>\n\u8d85\u65f6\u9519\u8bef -&gt; \u5f15\u5bfc\u91cd\u8bd5 -&gt; \u6700\u5927\u91cd\u8bd5\u6b21\u6570 -&gt; \u5f15\u5bfc\u653e\u5f03 -&gt; \u9519\u8bef\u72b6\u6001<br \/>\n     \u2191                                                                                                                                                                                                 \u2193<br \/>\n\u5b89\u5168\u8fdd\u89c4 -&gt; \u5b89\u5168\u54cd\u5e94 -&gt; \u5f15\u5bfc\u9694\u79bb -&gt; \u5ba1\u8ba1\u8bb0\u5f55 -&gt; \u5f15\u5bfc\u7ec8\u6b62<\/p>\n<h2>8. \u6027\u80fd\u4f18\u5316\u5206\u6790<\/h2>\n<h3>8.1 \u5f15\u5bfc\u65f6\u95f4\u4f18\u5316<\/h3>\n<p>\u2003\u2003\u5f15\u5bfc\u65f6\u95f4\u4f18\u5316\u7684\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u65f6\u95f4\u4f18\u5316\u63a7\u5236\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_time_optimizer<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5feb\u901f\u5f15\u5bfc\u68c0\u6d4b<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">fast_boot_detector<\/span> fast_det<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5e76\u884c\u521d\u59cb\u5316<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">parallel_boot_init<\/span> parallel_init<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5ef6\u8fdf\u52a0\u8f7d<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">lazy_module_loader<\/span> lazy_load<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7f13\u5b58\u9884\u70ed<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_cache_warmer<\/span> cache_warm<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6027\u80fd\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_performance_monitor<\/span> perf_mon<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u65f6\u95f4\u4f18\u5316\u521d\u59cb\u5316<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">boot_time_optimization_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u68c0\u6d4b\u5feb\u901f\u5f15\u5bfc\u80fd\u529b<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">is_fast_boot_capable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">enable_fast_boot_mode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5e76\u884c\u5f15\u5bfc<\/span><br \/>\n    <span class=\"token function\">parallel_boot_initialization<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5ef6\u8fdf\u52a0\u8f7d\u7b56\u7565<\/span><br \/>\n    <span class=\"token function\">lazy_loading_strategy_setup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u51c6\u5907\u7f13\u5b58\u9884\u70ed<\/span><br \/>\n    <span class=\"token function\">cache_warming_preparation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5feb\u901f\u5f15\u5bfc\u6a21\u5f0f\u542f\u7528<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">enable_fast_boot_mode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8df3\u8fc7\u4e0d\u5fc5\u8981\u7684\u81ea\u68c0<\/span><br \/>\n    <span class=\"token function\">skip_unnecessary_self_checks<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4f7f\u7528\u9884\u7f16\u8bd1\u8bbe\u5907\u6811<\/span><br \/>\n    <span class=\"token function\">use_precompiled_device_tree<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7b80\u5316\u5185\u5b58\u6d4b\u8bd5<\/span><br \/>\n    <span class=\"token function\">simplified_memory_testing<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5e76\u884c\u8bbe\u5907\u521d\u59cb\u5316<\/span><br \/>\n    <span class=\"token function\">parallel_device_initialization<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>8.2 \u955c\u50cf\u538b\u7f29\u4f18\u5316<\/h3>\n<p>\u2003\u2003\u955c\u50cf\u538b\u7f29\u4f18\u5316\u7684\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u955c\u50cf\u538b\u7f29\u4f18\u5316\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">image_compression_optimizer<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u538b\u7f29\u7b97\u6cd5\u9009\u62e9<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">compression_algorithm_selector<\/span> alg_sel<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u538b\u7f29\u7ea7\u522b\u8c03\u6574<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">compression_level_adjuster<\/span> level_adj<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5e76\u884c\u538b\u7f29<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">parallel_compression<\/span> parallel_comp<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u538b\u7f29\u6548\u679c\u8bc4\u4f30<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">compression_effectiveness_evaluator<\/span> eff_eval<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u667a\u80fd\u955c\u50cf\u538b\u7f29<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">smart_image_compression<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">kernel_image<\/span> <span class=\"token operator\">*<\/span>image<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5206\u6790\u955c\u50cf\u7279\u5f81<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">image_characteristics<\/span> <span class=\"token operator\">*<\/span>chars <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">analyze_image_characteristics<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9009\u62e9\u6700\u4f18\u538b\u7f29\u7b97\u6cd5<\/span><br \/>\n    <span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">compression_algorithm<\/span> best_alg <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">select_best_compression_algorithm<\/span><span class=\"token punctuation\">(<\/span>chars<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u786e\u5b9a\u538b\u7f29\u7ea7\u522b<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> optimal_level <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">determine_optimal_compression_level<\/span><span class=\"token punctuation\">(<\/span>chars<span class=\"token punctuation\">,<\/span> best_alg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6267\u884c\u538b\u7f29<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">perform_image_compression<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> best_alg<span class=\"token punctuation\">,<\/span> optimal_level<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u538b\u7f29\u7b97\u6cd5\u9009\u62e9<\/span><br \/>\n<span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">compression_algorithm<\/span> <span class=\"token function\">select_best_compression_algorithm<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">image_characteristics<\/span> <span class=\"token operator\">*<\/span>chars<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u57fa\u4e8e\u955c\u50cf\u7279\u5f81\u9009\u62e9\u7b97\u6cd5<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>chars<span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">&gt;<\/span> LARGE_IMAGE_THRESHOLD<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5927\u955c\u50cf\u4f18\u5148\u9009\u62e9\u9ad8\u538b\u7f29\u7387\u7b97\u6cd5<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">is_algorithm_available<\/span><span class=\"token punctuation\">(<\/span>ZSTD<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> ZSTD<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">is_algorithm_available<\/span><span class=\"token punctuation\">(<\/span>XZ<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> XZ<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5c0f\u955c\u50cf\u4f18\u5148\u9009\u62e9\u901f\u5ea6<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">is_algorithm_available<\/span><span class=\"token punctuation\">(<\/span>LZ4<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> LZ4<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">is_algorithm_available<\/span><span class=\"token punctuation\">(<\/span>GZIP<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> GZIP<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9ed8\u8ba4\u7b97\u6cd5<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> GZIP<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>9. \u5b89\u5168\u6027\u8003\u8651<\/h2>\n<h3>9.1 \u5f15\u5bfc\u65f6\u5b89\u5168\u9a8c\u8bc1<\/h3>\n<p>\u2003\u2003\u5f15\u5bfc\u65f6\u5b89\u5168\u9a8c\u8bc1&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u5b89\u5168\u9a8c\u8bc1\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_security_validator<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u955c\u50cf\u7b7e\u540d\u9a8c\u8bc1<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">image_signature_verifier<\/span> sig_ver<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f15\u5bfc\u53c2\u6570\u9a8c\u8bc1<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_parameter_validator<\/span> param_val<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u5907\u6811\u5b89\u5168\u68c0\u67e5<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">device_tree_security_checker<\/span> dt_checker<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5185\u5b58\u5e03\u5c40\u9a8c\u8bc1<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">memory_layout_validator<\/span> mem_val<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5168\u9762\u5f15\u5bfc\u5b89\u5168\u68c0\u67e5<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">comprehensive_boot_security_check<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u5185\u6838\u955c\u50cf\u7b7e\u540d<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">verify_kernel_image_signature<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u5f15\u5bfc\u53c2\u6570\u5b89\u5168\u6027<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_boot_parameters_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u68c0\u67e5\u8bbe\u5907\u6811\u5b89\u5168\u6027<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">check_device_tree_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u5185\u5b58\u5e03\u5c40\u5b89\u5168\u6027<\/span><br \/>\n    ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">validate_memory_layout_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> ret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>9.2 \u8fd0\u884c\u65f6\u5b89\u5168\u76d1\u63a7<\/h3>\n<p>\u2003\u2003\u8fd0\u884c\u65f6\u5b89\u5168\u76d1\u63a7&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u5b89\u5168\u76d1\u63a7\u5668<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_security_monitor<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5f02\u5e38\u68c0\u6d4b<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_anomaly_detector<\/span> anomaly_det<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5b8c\u6574\u6027\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_integrity_monitor<\/span> int_mon<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbf\u95ee\u63a7\u5236<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_access_controller<\/span> acc_ctrl<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5ba1\u8ba1\u7cfb\u7edf<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_audit_system<\/span> audit_sys<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u8fc7\u7a0b\u5b89\u5168\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">monitor_boot_process_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u76d1\u63a7\u5173\u952e\u5f15\u5bfc\u9636\u6bb5<\/span><br \/>\n    <span class=\"token function\">monitor_image_loading_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">monitor_device_tree_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">monitor_memory_initialization_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">monitor_kernel_startup_security<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>10. \u6269\u5c55\u6027\u5206\u6790<\/h2>\n<h3>10.1 \u591a\u67b6\u6784\u5f15\u5bfc\u652f\u6301<\/h3>\n<p>\u2003\u2003\u591a\u67b6\u6784\u5f15\u5bfc\u6269\u5c55&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u67b6\u6784\u62bd\u8c61\u5c42<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_architecture_abstraction<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u67b6\u6784\u7279\u5b9a\u5f15\u5bfc\u64cd\u4f5c<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">arch_specific_boot_operations<\/span> asbo<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u786c\u4ef6\u62bd\u8c61\u5c42<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">hardware_abstraction_layer<\/span> hal<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u56fa\u4ef6\u63a5\u53e3\u5c42<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">firmware_interface_layer<\/span> fil<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u517c\u5bb9\u6027\u652f\u6301\u5c42<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">compatibility_support_layer<\/span> csl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>10.2 \u5f15\u5bfc\u529f\u80fd\u6269\u5c55<\/h3>\n<p>\u2003\u2003\u5f15\u5bfc\u529f\u80fd\u6269\u5c55&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u6269\u5c55\u7ba1\u7406\u7cfb\u7edf<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_extension_system<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6269\u5c55\u6a21\u5757\u6ce8\u518c\u8868<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">extension_module_registry<\/span> emr<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6269\u5c55\u52a0\u8f7d\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">extension_loader<\/span> el<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6269\u5c55\u914d\u7f6e\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">extension_configurator<\/span> ec<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6269\u5c55\u9a8c\u8bc1\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">extension_validator<\/span> ev<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u52a8\u6001\u5f15\u5bfc\u6269\u5c55\u52a0\u8f7d<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">load_boot_extension<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>extension_name<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u68c0\u67e5\u6269\u5c55\u517c\u5bb9\u6027<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">check_extension_compatibility<\/span><span class=\"token punctuation\">(<\/span>extension_name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span>EINVAL<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u89e3\u6790\u6269\u5c55\u4f9d\u8d56<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">extension_dependencies<\/span> <span class=\"token operator\">*<\/span>deps <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">resolve_extension_dependencies<\/span><span class=\"token punctuation\">(<\/span>extension_name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u52a0\u8f7d\u4f9d\u8d56\u6269\u5c55<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> deps<span class=\"token operator\">-&gt;<\/span>count<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">load_dependency_extension<\/span><span class=\"token punctuation\">(<\/span>deps<span class=\"token operator\">-&gt;<\/span>extensions<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span>EDEPFAILED<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u52a0\u8f7d\u4e3b\u6269\u5c55<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">load_primary_extension<\/span><span class=\"token punctuation\">(<\/span>extension_name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>11. \u8c03\u8bd5\u548c\u7ef4\u62a4<\/h2>\n<h3>11.1 \u5f15\u5bfc\u8c03\u8bd5\u652f\u6301<\/h3>\n<p>\u2003\u2003\u5f15\u5bfc\u8c03\u8bd5\u652f\u6301&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u8c03\u8bd5\u6846\u67b6<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_debug_framework<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8c03\u8bd5\u8f93\u51fa\u7cfb\u7edf<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">debug_output_system<\/span> dos<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f15\u5bfc\u8ddf\u8e2a\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_tracer<\/span> bt<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9519\u8bef\u8bca\u65ad\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">error_diagnostician<\/span> ed<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6027\u80fd\u5206\u6790\u5668<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">performance_analyzer<\/span> pa<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u8c03\u8bd5\u521d\u59cb\u5316<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">boot_debug_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u8c03\u8bd5\u8f93\u51fa<\/span><br \/>\n    <span class=\"token function\">debug_output_system_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5f15\u5bfc\u8ddf\u8e2a<\/span><br \/>\n    <span class=\"token function\">boot_tracer_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u9519\u8bef\u8bca\u65ad<\/span><br \/>\n    <span class=\"token function\">error_diagnostician_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u6027\u80fd\u5206\u6790<\/span><br \/>\n    <span class=\"token function\">performance_analyzer_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u8fc7\u7a0b\u8ddf\u8e2a<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">trace_boot_process<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8ddf\u8e2a\u5f15\u5bfc\u9636\u6bb5<\/span><br \/>\n    <span class=\"token function\">trace_boot_phase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Power On&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">trace_boot_phase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Firmware Init&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">trace_boot_phase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Bootloader Exec&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">trace_boot_phase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Hardware Detect&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">trace_boot_phase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Kernel Load&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">trace_boot_phase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Kernel Start&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">trace_boot_phase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;System Init&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>11.2 \u5f15\u5bfc\u7ef4\u62a4\u5de5\u5177<\/h3>\n<p>\u2003\u2003\u5f15\u5bfc\u7ef4\u62a4\u5de5\u5177&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u7ef4\u62a4\u7cfb\u7edf<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_maintenance_system<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5065\u5eb7\u68c0\u67e5<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_health_checker<\/span> bhc<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6027\u80fd\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_performance_monitor<\/span> bpm<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u914d\u7f6e\u9a8c\u8bc1<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_configuration_validator<\/span> bcv<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u66f4\u65b0\u7ba1\u7406<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">boot_update_manager<\/span> bum<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u5bfc\u7cfb\u7edf\u7ef4\u62a4<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">perform_boot_system_maintenance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6267\u884c\u5065\u5eb7\u68c0\u67e5<\/span><br \/>\n    <span class=\"token function\">run_boot_health_checks<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u76d1\u63a7\u6027\u80fd\u6307\u6807<\/span><br \/>\n    <span class=\"token function\">monitor_boot_performance_metrics<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9a8c\u8bc1\u914d\u7f6e\u6b63\u786e\u6027<\/span><br \/>\n    <span class=\"token function\">validate_boot_configuration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u68c0\u67e5\u53ef\u7528\u66f4\u65b0<\/span><br \/>\n    <span class=\"token function\">check_for_boot_updates<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u751f\u6210\u7ef4\u62a4\u62a5\u544a<\/span><br \/>\n    <span class=\"token function\">generate_boot_maintenance_report<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>12. \u672a\u6765\u53d1\u5c55\u65b9\u5411<\/h2>\n<p>\u2003\u2003\u968f\u7740\u8ba1\u7b97\u673a\u6280\u672f\u548c\u5f15\u5bfc\u6280\u672f\u7684\u53d1\u5c55&#xff0c;ARM64 boot\u6a21\u5757\u5c06&#xff1a;<\/p>\n<p>\u2003\u2003\u2003\u20031. \u652f\u6301\u66f4\u5148\u8fdb\u7684\u56fa\u4ef6\u63a5\u53e3&#xff1a;UEFI 3.0\u3001SMBIOS 3.0\u7b49\u65b0\u6807\u51c6 \u2003\u2003\u2003\u20032. \u589e\u5f3a\u5b89\u5168\u5f15\u5bfc\u673a\u5236&#xff1a;TPM 2.0\u3001Secure Boot\u7b49\u5b89\u5168\u7279\u6027 \u2003\u2003\u2003\u20033. \u4f18\u5316\u5f15\u5bfc\u6027\u80fd&#xff1a;\u5feb\u901f\u5f15\u5bfc\u3001\u5e76\u884c\u52a0\u8f7d\u3001\u9884\u52a0\u8f7d\u6280\u672f \u2003\u2003\u2003\u20034. \u6269\u5c55\u865a\u62df\u5316\u652f\u6301&#xff1a;UEFI\u865a\u62df\u5316\u3001\u5d4c\u5957\u5f15\u5bfc\u652f\u6301 \u2003\u2003\u2003\u20035. \u667a\u80fd\u5316\u5f15\u5bfc\u7ba1\u7406&#xff1a;\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u7684\u5f15\u5bfc\u4f18\u5316\u51b3\u7b56<\/p>\n<h2>13. \u603b\u7ed3<\/h2>\n<p>\u2003\u2003ARM64 boot\u6a21\u5757\u4f5c\u4e3aARM64\u5e73\u53f0\u7cfb\u7edf\u5f15\u5bfc\u7684\u6838\u5fc3&#xff0c;\u8be5\u6a21\u5757\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u5185\u6838\u955c\u50cf\u6784\u5efa\u3001\u8bbe\u5907\u6811\u7ba1\u7406\u3001EFI\u5f15\u5bfc\u652f\u6301\u548c\u7cfb\u7edf\u542f\u52a8\u6d41\u7a0b&#xff0c;\u662fARM64\u5e73\u53f0\u4ece\u4e0a\u7535\u5230\u5185\u6838\u8fd0\u884c\u7684\u5173\u952e\u6865\u6881\u3002<\/p>\n<p>\u2003\u2003\u8be5\u6a21\u5757\u5b9e\u73b0\u4e86\u955c\u50cf\u6784\u5efa\u6d41\u7a0b\u3001\u8bbe\u5907\u6811\u5904\u7406\u3001EFI\u534f\u8bae\u652f\u6301\u548c\u5f15\u5bfc\u63a7\u5236\u6743\u8f6c\u79fb&#xff0c;\u5728\u4fdd\u8bc1\u5f15\u5bfc\u6210\u529f\u7387\u7684\u540c\u65f6\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u914d\u7f6e\u9009\u9879\u548c\u8c03\u8bd5\u80fd\u529b&#xff0c;\u662fARM64\u5e73\u53f0\u5f15\u5bfc\u7cfb\u7edf\u7684\u6807\u51c6\u5b9e\u73b0\u3002<\/p>\n<p>\u2003\u2003\u6e90\u7801\u5206\u6790\u663e\u793a&#xff0c;\u6a21\u5757\u91c7\u7528\u4e86\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u3001\u7b56\u7565\u6a21\u5f0f\u548c\u89c2\u5bdf\u8005\u6a21\u5f0f\u7b49\u591a\u79cd\u8bbe\u8ba1\u6a21\u5f0f&#xff0c;\u4e3a\u590d\u6742\u7684\u5f15\u5bfc\u7cfb\u7edf\u63d0\u4f9b\u4e86\u6e05\u6670\u7684\u7ed3\u6784\u548c\u7075\u6d3b\u7684\u6269\u5c55\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f551. 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UML\u7c7b\u56fe5. \u6e90\u7801\u6df1\u5ea6\u5206\u67905.1 ARM64\u5f15\u5bfc\u7cfb\u7edf\u6574\u4f53\u67b6\u6784\u5206\u67905.1.1 \u5f15\u5bfc\u6d41\u7a0b\u6838\u5fc3\u5b9e\u73b05.1.2 EFI\u5f15\u5bfc\u534f\u8bae\u5b9e\u73b05.2 \u6027\u80fd\u4f18\u5316\u548c\u6784\u5efa\u4f18\u5316\u5206\u67905.2.1 \u5f15\u5bfc\u65f6\u95f4\u4f18\u53165.2.2 \u6784\u5efa\u4f18\u5316\u7b56\u75655.3 \u5b89\u5168\u9a8c\u8bc1\u548c\u5f15\u5bfc\u5b89\u5168\u5206\u67905.3.1 \u5f15\u5bfc\u65f6\u5b89\u5168\u9a8c\u8bc15.3.2 \u5f15\u5bfc\u8fc7\u7a0b\u5b89\u5168\u76d1\u63a76. \u8bbe\u8ba1\u6a21\u5f0f\u5206\u67906.1 \u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u5728\u5f15\u5bfc\u6d41\u7a0b\u4e2d\u7684\u4f53\u73b06.2 \u7b56\u7565\u6a21\u5f0f\u5728\u955c\u50cf\u538b\u7f29\u7b56\u7565\u4e2d\u7684\u4f53\u73b06.3 \u89c2\u5bdf\u8005\u6a21\u5f0f\u5728\u5f15\u5bfc\u4e8b\u4ef6\u76d1\u63a7\u4e2d\u7684\u4f53\u73b07.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,188,472,442,2399,492],"topic":[],"class_list":["post-59612","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-188","tag-472","tag-442","tag-2399","tag-492"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux6.19-ARM64 boot\u6a21\u5757\u6574\u4f53\u67b6\u6784\u5206\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/59612.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux6.19-ARM64 boot\u6a21\u5757\u6574\u4f53\u67b6\u6784\u5206\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u76ee\u5f551. \u6982\u8ff02. \u8f6f\u4ef6\u67b6\u6784\u56fe3. \u8c03\u7528\u6d41\u7a0b\u56fe4. 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