{"id":63160,"date":"2025-04-29T08:23:41","date_gmt":"2025-04-29T00:23:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/63160\/"},"modified":"2025-04-29T08:23:41","modified_gmt":"2025-04-29T00:23:41","slug":"linux%e5%86%85%e6%a0%b8%e4%b8%bb%e5%87%bd%e6%95%b0%e8%a7%a3%e6%9e%90%e4%b8%8e%e5%88%86%e6%9e%90-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/63160\/","title":{"rendered":"Linux\u5185\u6838\u4e3b\u51fd\u6570\u89e3\u6790\u4e0e\u5206\u6790"},"content":{"rendered":"

\"Linux\u5185\u6838\u4e3b\u51fd\u6570\u89e3\u6790\u4e0e\u5206\u6790\u63d2\u56fe\"<\/p>\n

Linux\u5185\u6838\u4e3b\u51fd\u6570\u89e3\u6790\u4e0e\u5206\u6790<\/p>\n

Linux\u5185\u6838\u662f\u4e00\u4e2a\u5e9e\u5927\u800c\u590d\u6742\u7684\u7cfb\u7edf\uff0c\u5176\u4e2d\u7684\u4e3b\u51fd\u6570\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u5b83\u662f\u6574\u4e2a\u7cfb\u7edf\u7684\u5165\u53e3\u70b9\uff0c\u8d1f\u8d23\u521d\u59cb\u5316\u5404\u79cd\u5b50\u7cfb\u7edf\u3001\u9a71\u52a8\u7a0b\u5e8f\u548c\u5185\u6838\u6a21\u5757\uff0c\u6700\u7ec8\u542f\u52a8\u6574\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u3002\u672c\u6587\u5c06\u9488\u5bf9Linux\u5185\u6838\u4e3b\u51fd\u6570\u8fdb\u884c\u89e3\u6790\u4e0e\u5206\u6790\uff0c\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5176\u5173\u952e\u529f\u80fd\u548c\u6267\u884c\u6d41\u7a0b\u3002<\/p>\n

\u5728Linux\u5185\u6838\u4e2d\uff0c\u4e3b\u51fd\u6570\u7684\u5165\u53e3\u70b9\u4f4d\u4e8einit\/main.c\u6587\u4ef6\u4e2d\u7684start_kernel()\u51fd\u6570\u4e2d\u3002\u8fd9\u4e2a\u51fd\u6570\u662f\u6574\u4e2a\u5185\u6838\u7684\u8d77\u70b9\uff0c\u5b83\u5c06\u8d1f\u8d23\u8c03\u5ea6\u548c\u6267\u884c\u5404\u79cd\u521d\u59cb\u5316\u5de5\u4f5c\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u80fd\u591f\u6b63\u5e38\u542f\u52a8\u3002\u4e0b\u9762\u662fstart_kernel()\u51fd\u6570\u7684\u7b80\u5316\u7248\u672c\uff1a<\/p>\n

asmlinkage void __init start_kernel(void)\n{\n    \/\/ \u521d\u59cb\u5316\u5185\u6838\u8c03\u5ea6\u5668\n    sched_init();\n    \n    \/\/ \u521d\u59cb\u5316\u5185\u5b58\u7ba1\u7406\u5b50\u7cfb\u7edf\n    mm_init();\n    \n    \/\/ \u521d\u59cb\u5316\u6587\u4ef6\u7cfb\u7edf\n    fs_init();\n    \n    \/\/ \u542f\u52a8\u6838\u5fc3\u5b50\u7cfb\u7edf\n    kernel_init();\n    \n    \/\/ \u8fdb\u5165\u7cfb\u7edf\u7684\u4e3b\u5faa\u73af\n    kernel_loop();\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230start_kernel()\u51fd\u6570\u4f9d\u6b21\u8c03\u7528\u4e86\u51e0\u4e2a\u91cd\u8981\u7684\u521d\u59cb\u5316\u51fd\u6570\uff0c\u5305\u62ecsched_init()\u3001mm_init()\u3001fs_init()\u548ckernel_init()\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u7b80\u8981\u4ecb\u7ecd\u8fd9\u4e9b\u51fd\u6570\u7684\u4f5c\u7528\uff1a<\/p>\n
    \n
  1. sched_init(): \u521d\u59cb\u5316\u5185\u6838\u8c03\u5ea6\u5668\uff0c\u5305\u62ec\u8bbe\u7f6e\u8fdb\u7a0b\u8c03\u5ea6\u7b56\u7565\u3001\u521b\u5efaidle\u8fdb\u7a0b\u7b49\u3002<\/li>\n
  2. mm_init(): \u521d\u59cb\u5316\u5185\u5b58\u7ba1\u7406\u5b50\u7cfb\u7edf\uff0c\u5305\u62ec\u5efa\u7acb\u9875\u8868\u3001\u9875\u8868\u6620\u5c04\u7b49\u3002<\/li>\n
  3. fs_init(): \u521d\u59cb\u5316\u6587\u4ef6\u7cfb\u7edf\uff0c\u5305\u62ec\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3001\u5efa\u7acb\u521d\u59cb\u5316\u8fdb\u7a0b\u7b49\u3002<\/li>\n
  4. kernel_init(): \u542f\u52a8\u6838\u5fc3\u5b50\u7cfb\u7edf\uff0c\u5305\u62ec\u521d\u59cb\u5316\u8bbe\u5907\u9a71\u52a8\u3001\u6ce8\u518c\u7cfb\u7edf\u8c03\u7528\u7b49\u3002<\/li>\n<\/ol>\n
    \u5728\u8c03\u7528\u5b8c\u4e0a\u8ff0\u51fd\u6570\u540e\uff0cstart_kernel()\u51fd\u6570\u5c06\u8fdb\u5165kernel_loop()\u51fd\u6570\uff0c\u5f00\u59cb\u7cfb\u7edf\u7684\u4e3b\u5faa\u73af\u3002\u5728\u4e3b\u5faa\u73af\u4e2d\uff0c\u5185\u6838\u5c06\u4e0d\u65ad\u68c0\u6d4b\u5e76\u5904\u7406\u5404\u79cd\u4e2d\u65ad\u3001\u7cfb\u7edf\u8c03\u7528\u548c\u5916\u90e8\u4e8b\u4ef6\uff0c\u4ee5\u7ef4\u6301\u7cfb\u7edf\u7684\u8fd0\u884c\u3002<\/p>\n
    \u4e0b\u9762\u6211\u4eec\u7ed9\u51fa\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u6765\u5c55\u793astart_kernel()\u51fd\u6570\u7684\u6267\u884c\u6d41\u7a0b\uff1a<\/p>\n
    #include <linux>\n\nasmlinkage void __init start_kernel(void)\n{\n    \/\/ \u8f93\u51fa\u5185\u6838\u542f\u52a8\u4fe1\u606f\n    printk(\"Starting kernel...\n\");\n    \n    \/\/ \u521d\u59cb\u5316\u5185\u6838\u8c03\u5ea6\u5668\n    printk(\"Initializing scheduler...\n\");\n    sched_init();\n    \n    \/\/ \u521d\u59cb\u5316\u5185\u5b58\u7ba1\u7406\u5b50\u7cfb\u7edf\n    printk(\"Initializing memory management...\n\");\n    mm_init();\n    \n    \/\/ \u521d\u59cb\u5316\u6587\u4ef6\u7cfb\u7edf\n    printk(\"Initializing file system...\n\");\n    fs_init();\n    \n    \/\/ \u542f\u52a8\u6838\u5fc3\u5b50\u7cfb\u7edf\n    printk(\"Starting core subsystem...\n\");\n    kernel_init();\n    \n    \/\/ \u8fdb\u5165\u7cfb\u7edf\u7684\u4e3b\u5faa\u73af\n    printk(\"Entering kernel loop...\n\");\n    kernel_loop();\n}<\/linux><\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230start_kernel()\u51fd\u6570\u7684\u57fa\u672c\u6267\u884c\u6d41\u7a0b\uff0c\u4ee5\u53ca\u5404\u4e2a\u5b50\u7cfb\u7edf\u7684\u521d\u59cb\u5316\u8fc7\u7a0b\u3002\u6df1\u5165\u4e86\u89e3\u548c\u7406\u89e3Linux\u5185\u6838\u4e3b\u51fd\u6570\u7684\u529f\u80fd\u548c\u6267\u884c\u6d41\u7a0b\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u6574\u4e2a\u7cfb\u7edf\u7684\u8fd0\u884c\u673a\u5236\uff0c\u4ece\u800c\u6709\u52a9\u4e8e\u8fdb\u884c\u5185\u6838\u8c03\u8bd5\u548c\u5f00\u53d1\u5de5\u4f5c\u3002<\/p>\n
    \u603b\u7684\u6765\u8bf4\uff0cLinux\u5185\u6838\u4e3b\u51fd\u6570\u662f\u6574\u4e2a\u7cfb\u7edf\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u5b83\u627f\u62c5\u7740\u542f\u52a8\u548c\u7ba1\u7406\u7cfb\u7edf\u7684\u91cd\u8981\u4efb\u52a1\u3002\u901a\u8fc7\u6df1\u5165\u5206\u6790\u548c\u7406\u89e3\u4e3b\u51fd\u6570\u7684\u529f\u80fd\u548c\u6267\u884c\u6d41\u7a0b\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u638c\u63e1\u5185\u6838\u7684\u8fd0\u884c\u673a\u5236\uff0c\u4e3a\u7cfb\u7edf\u7684\u4f18\u5316\u548c\u6269\u5c55\u63d0\u4f9b\u91cd\u8981\u7684\u53c2\u8003\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662fLinux\u5185\u6838\u4e3b\u51fd\u6570\u89e3\u6790\u4e0e\u5206\u6790\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    Linux\u5185\u6838\u4e3b\u51fd\u6570\u89e3\u6790\u4e0e\u5206\u6790 Linux\u5185\u6838\u662f\u4e00\u4e2a\u5e9e\u5927\u800c\u590d\u6742\u7684\u7cfb\u7edf\uff0c\u5176\u4e2d\u7684\u4e3b\u51fd\u6570\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u5b83\u662f\u6574\u4e2a\u7cfb\u7edf\u7684\u5165\u53e3\u70b9\uff0c\u8d1f\u8d23\u521d\u59cb\u5316\u5404\u79cd\u5b50\u7cfb\u7edf\u3001\u9a71\u52a8\u7a0b\u5e8f\u548c\u5185\u6838\u6a21\u5757\uff0c\u6700\u7ec8\u542f\u52a8\u6574\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u3002\u672c\u6587\u5c06\u9488\u5bf9Linux\u5185\u6838\u4e3b\u51fd\u6570\u8fdb\u884c\u89e3\u6790\u4e0e\u5206\u6790\uff0c\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5176\u5173\u952e\u529f\u80fd\u548c\u6267\u884c\u6d41\u7a0b\u3002 \u5728Linux\u5185\u6838\u4e2d\uff0c\u4e3b\u51fd\u6570\u7684\u5165\u53e3\u70b9\u4f4d\u4e8einit\/main.c\u6587\u4ef6\u4e2d\u7684start_kernel()\u51fd\u6570\u4e2d\u3002\u8fd9\u4e2a\u51fd\u6570\u662f\u6574\u4e2a\u5185\u6838\u7684\u8d77\u70b9\uff0c\u5b83\u5c06\u8d1f\u8d23\u8c03\u5ea6\u548c\u6267\u884c\u5404\u79cd\u521d\u59cb\u5316\u5de5\u4f5c\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u80fd\u591f\u6b63\u5e38\u542f\u52a8\u3002\u4e0b\u9762\u662fstart_kernel()\u51fd\u6570\u7684\u7b80\u5316\u7248\u672c\uff1a asmlinkage void __init start_kernel(void) { \/\/ \u521d\u59cb\u5316\u5185\u6838\u8c03\u5ea6\u5668 sched_init(); \/\/ \u521d\u59cb\u5316\u5185\u5b58\u7ba1\u7406\u5b50\u7cfb\u7edf mm_init(); \/\/ \u521d\u59cb\u5316\u6587\u4ef6\u7cfb\u7edf fs_init(); \/\/ \u542f\u52a8\u6838\u5fc3\u5b50\u7cfb\u7edf kernel_init(); \/\/ \u8fdb\u5165\u7cfb\u7edf\u7684\u4e3b\u5faa\u73af kernel_loop(); } \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230start_kernel()\u51fd\u6570\u4f9d\u6b21\u8c03\u7528\u4e86\u51e0\u4e2a\u91cd\u8981\u7684\u521d\u59cb\u5316\u51fd\u6570\uff0c\u5305\u62ecsched_init()\u3001mm_init()\u3001fs_init()\u548ckernel_init()\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u7b80\u8981\u4ecb\u7ecd\u8fd9\u4e9b\u51fd\u6570\u7684\u4f5c\u7528\uff1a sched_init(): \u521d\u59cb\u5316\u5185\u6838\u8c03\u5ea6\u5668\uff0c\u5305\u62ec\u8bbe\u7f6e\u8fdb\u7a0b\u8c03\u5ea6\u7b56\u7565\u3001\u521b\u5efaidle\u8fdb\u7a0b\u7b49\u3002 mm_init(): \u521d\u59cb\u5316\u5185\u5b58\u7ba1\u7406\u5b50\u7cfb\u7edf\uff0c\u5305\u62ec\u5efa\u7acb\u9875\u8868\u3001\u9875\u8868\u6620\u5c04\u7b49\u3002 fs_init(): \u521d\u59cb\u5316\u6587\u4ef6\u7cfb\u7edf\uff0c\u5305\u62ec\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3001\u5efa\u7acb\u521d\u59cb\u5316\u8fdb\u7a0b\u7b49\u3002 kernel_init(): \u542f\u52a8\u6838\u5fc3\u5b50\u7cfb\u7edf\uff0c\u5305\u62ec\u521d\u59cb\u5316\u8bbe\u5907\u9a71\u52a8\u3001\u6ce8\u518c\u7cfb\u7edf\u8c03\u7528\u7b49\u3002 \u5728\u8c03\u7528\u5b8c\u4e0a\u8ff0\u51fd\u6570\u540e\uff0cstart_kernel()\u51fd\u6570\u5c06\u8fdb\u5165kernel_loop()\u51fd\u6570\uff0c\u5f00\u59cb\u7cfb\u7edf\u7684\u4e3b\u5faa\u73af\u3002\u5728\u4e3b\u5faa\u73af\u4e2d\uff0c\u5185\u6838\u5c06\u4e0d\u65ad\u68c0\u6d4b\u5e76\u5904\u7406\u5404\u79cd\u4e2d\u65ad\u3001\u7cfb\u7edf\u8c03\u7528\u548c\u5916\u90e8\u4e8b\u4ef6\uff0c\u4ee5\u7ef4\u6301\u7cfb\u7edf\u7684\u8fd0\u884c\u3002 \u4e0b\u9762\u6211\u4eec\u7ed9\u51fa\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u6765\u5c55\u793astart_kernel()\u51fd\u6570\u7684\u6267\u884c\u6d41\u7a0b\uff1a #include <linux> asmlinkage void __init start_kernel(void) { \/\/ \u8f93\u51fa\u5185\u6838\u542f\u52a8\u4fe1\u606f printk(“Starting kernel… “); \/\/ \u521d\u59cb\u5316\u5185\u6838\u8c03\u5ea6\u5668 printk(“Initializing scheduler… “); sched_init(); \/\/ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-63160","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/63160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=63160"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/63160\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=63160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=63160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=63160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}