{"id":126278,"date":"2022-07-07T03:52:18","date_gmt":"2022-07-06T19:52:18","guid":{"rendered":"http:\/\/www.idc.net\/help\/126278\/"},"modified":"2022-07-07T03:52:18","modified_gmt":"2022-07-06T19:52:18","slug":"ecos-linux%ef%bc%9a%e5%b5%8c%e5%85%a5%e5%bc%8f%e7%b3%bb%e7%bb%9f%e7%9a%84%e9%a6%96%e9%80%89%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f-ecos-linux","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/126278\/","title":{"rendered":"ECOS Linux\uff1a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u9996\u9009\u64cd\u4f5c\u7cfb\u7edf (ecos 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Linux\u5177\u6709\u826f\u597d\u7684\u5b9e\u65f6\u6027\u80fd\uff0c\u80fd\u591f\u5728\u5177\u6709\u4e25\u683c\u65f6\u5e8f\u8981\u6c42\u7684\u5b9e\u65f6\u5e94\u7528\u4e2d\u63d0\u4f9b\u66f4\u4f73\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>4. \u53ef\u79fb\u690d\uff1aECOS Linux\u53ef\u4ee5\u5728\u591a\u79cd\u5e73\u53f0\u4e0a\u4f7f\u7528\uff0c\u5305\u62ecARM\u3001MIPS\u3001PowerPC\u3001x86\u7b49\u3002<\/p>\n<p>\u4e8c\u3001ECOS Linux\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528<\/p>\n<p>ECOS Linux\u4f5c\u4e3a\u4e00\u6b3e\u4e13\u95e8\u4e3a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4f18\u5316\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5df2\u7ecf\u5728\u591a\u4e2a\u9886\u57df\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n<p>1. \u667a\u80fd\u5bb6\u5c45\uff1a\u667a\u80fd\u5bb6\u5c45\u662f\u73b0\u4ee3\u5bb6\u5ead\u7684\u4e00\u4e2a\u70ed\u70b9\u3002\u667a\u80fd\u5bb6\u5c45\u9700\u8981\u4f7f\u7528\u9ad8\u53ef\u9760\u6027\u3001\u9ad8\u7a33\u5b9a\u6027\u3001\u9ad8\u5b89\u5168\u6027\u7684\u8bbe\u5907\uff0c\u5982\u6e29\u5ea6\u4f20\u611f\u5668\u3001\u5bb6\u7535\u63a7\u5236\u5668\u7b49\u3002ECOS Linux\u4f5c\u4e3a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u9996\u9009\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u53ef\u4fe1\u8d56\u7684\u6280\u672f\u652f\u6301\u3002<\/p>\n<p>2. \u667a\u80fd\u4ea4\u901a\uff1a\u667a\u80fd\u4ea4\u901a\u662f\u6307\u5229\u7528\u73b0\u4ee3\u4fe1\u606f\u6280\u672f\u548c\u667a\u80fd\u63a7\u5236\u6280\u672f\u5bf9\u4ea4\u901a\u8fdb\u884c\u7ba1\u7406\u548c\u63a7\u5236\uff0c\u4ee5\u63d0\u9ad8\u4ea4\u901a\u6548\u7387\u548c\u5b89\u5168\u6027\u3002ECOS Linux\u53ef\u4ee5\u7528\u4e8e\u5d4c\u5165\u5f0f\u8bbe\u5907\uff0c\u5982\u4ea4\u901a\u4fe1\u53f7\u63a7\u5236\u5668\u3001\u8f66\u5185\u5a31\u4e50\u7cfb\u7edf\u7b49\u3002<\/p>\n<p>3. \u667a\u80fd\u533b\u7597\uff1a\u667a\u80fd\u533b\u7597\u662f\u5c06\u4e92\u8054\u7f51\u3001\u7269\u8054\u7f51\u3001\u4e91\u8ba1\u7b97\u7b49\u96c6\u6210\u5230\u533b\u7597\u7cfb\u7edf\u4e2d\uff0c\u4ee5\u63d0\u9ad8\u533b\u7597\u6548\u7387\u548c\u8d28\u91cf\u3002ECOS Linux\u53ef\u4ee5\u7528\u4e8e\u5d4c\u5165\u5f0f\u8bbe\u5907\uff0c\u5982\u533b\u7597\u76d1\u63a7\u8bbe\u5907\u3001\u751f\u547d\u652f\u6301\u7cfb\u7edf\u7b49\u3002<\/p>\n<p>\u4e09\u3001ECOS Linux\u4e0e\u5176\u4ed6\u5d4c\u5165\u5f0f\u64cd\u4f5c\u7cfb\u7edf\u7684\u5bf9\u6bd4<\/p>\n<p>ECOS Linux\u4e0e\u5176\u4ed6\u5d4c\u5165\u5f0f\u64cd\u4f5c\u7cfb\u7edf\u76f8\u6bd4\uff0c\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n<p>1. \u8f7b\u91cf\u7ea7\uff1aECOS Linux\u5360\u7528\u7cfb\u7edf\u8d44\u6e90\u66f4\u5c11\uff0c\u66f4\u9002\u7528\u4e8e\u5bf9\u8d44\u6e90\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<p>2. \u53ef\u88c1\u526a\uff1aECOS Linux\u5177\u6709\u4e30\u5bcc\u7684\u6a21\u5757\u548c\u529f\u80fd\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u8981\u8fdb\u884c\u88c1\u526a\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u5e94\u7528\u9700\u6c42\u3002<\/p>\n<p>3. \u5b9e\u65f6\u6027\uff1aECOS Linux\u5177\u6709\u4f18\u5f02\u7684\u5b9e\u65f6\u6027\u80fd\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e25\u683c\u7684\u65f6\u5e8f\u8981\u6c42\u3002<\/p>\n<p>4. \u6613\u79fb\u690d\uff1aECOS Linux\u53ef\u4ee5\u5728\u591a\u79cd\u5e73\u53f0\u4e0a\u4f7f\u7528\uff0c\u80fd\u591f\u5f88\u597d\u5730\u9002\u5e94\u4e0d\u540c\u7684\u5f00\u53d1\u9700\u6c42\u3002<\/p>\n<p>\u56db\u3001<\/p>\n<p>\u4f5c\u4e3a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5e94\u7528\u7684\u9996\u9009\u64cd\u4f5c\u7cfb\u7edf\uff0cECOS Linux\u4e0d\u4ec5\u5177\u6709\u8f7b\u91cf\u7ea7\u3001\u53ef\u88c1\u526a\u3001\u5b9e\u65f6\u6027\u548c\u53ef\u79fb\u690d\u6027\u7b49\u65b9\u9762\u7684\u4f18\u52bf\uff0c\u8fd8\u5177\u6709\u4e30\u5bcc\u7684\u7f51\u7edc\u534f\u8bae\u652f\u6301\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u9700\u6c42\u3002\u56e0\u6b64\uff0cECOS Linux\u5c06\u4f1a\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5e94\u7528\u7684\u9886\u57df\u4e2d\u5f97\u5230\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u7684\u5e94\u7528\u548c\u53d1\u5c55\u3002<\/p>\n<p><strong>\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li>\u4ec0\u4e48\u662f\u5d4c\u5165\u5f0f\u64cd\u4f5c\u7cfb\u7edf?<\/li>\n<li>\u4ec0\u4e48\u662f\u6839\u6587\u4ef6\u7cfb\u7edf?<\/li>\n<\/ul>\n<h3>\u4ec0\u4e48\u662f\u5d4c\u5165\u5f0f\u64cd\u4f5c\u7cfb\u7edf?<\/h3>\n<p>\u5d4c\u5165\u5f0f\u64cd\u4f5c\u7cfb\u7edfEOS\uff08Embedded 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Linux\u3001UNIX\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0cmount\uff08\u6302\u63a5\uff09\u5728 \/ \u76ee\u5f55\uff08\u4e5f\u5c31\u662f\u6839\u76ee\u5f55\uff09\u4e0a\u7684\u78c1\u76d8\u5206\u533a\uff0c\u53eb\u505a\u6839\u6587\u4ef6\u7cfb\u7edf\u3002\uff08\u4e5f\u6709\u4eba\u53eb\uff1aroot\u5206\u533a\u3001root\u6587\u4ef6\u7cfb\u7edf\uff09 <\/p>\n<p> \u95ee\u9898\u4e8c\uff1a\u4ec0\u4e48\u662f\u6839\u6587\u4ef6\u7cfb\u7edf \u6839\u6587\u4ef6\u7cfb\u7edf\u9996\u5148\u662f\u5185\u6838\u542f\u52a8\u65f6\u6240mount\u7684\u4e4b\u4e00\u4e2a\u6587\u4ef6\u7cfb\u7edf\uff0c\u5185\u6838\u4ee3\u7801\u6620\u50cf\u6587\u4ef6\u4fdd\u5b58\u5728\u6839\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u800c\u7cfb\u7edf\u5f15\u5bfc\u542f\u52a8\u7a0b\u5e8f\u4f1a\u5728\u6839\u6587\u4ef6\u7cfb\u7edf\u6302\u8f7d\u4e4b\u540e\u4ece\u4e2d\u628a\u4e00\u4e9b\u57fa\u672c\u7684\u521d\u59cb\u5316\u811a\u672c\u548c\u670d\u52a1\u7b49\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u53bb\u8fd0\u884c\u3002 <\/p>\n<p> 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Linux\u542f\u52a8\u65f6\uff0c\u4e4b\u4e00\u4e2a\u5fc5\u6bd5\u679d\u987b\u6302\u8f7d\u7684\u662f\u6839\u6587\u4ef6\u7cfb\u7edf\uff1b\u82e5\u7cfb\u7edf\u4e0d\u80fd\u4ece\u6307\u5b9a\u8bbe\u5907\u4e0a\u6302\u8f7d\u6839\u6587\u4ef6\u7cfb\u7edf\uff0c\u5219\u7cfb\u7edf\u4f1a\u51fa\u9519\u800c\u9000\u51fa\u542f\u52a8\u3002\u6210\u529f\u4e4b\u540e\u53ef\u624b\u5b59\u654f\u4ee5\u81ea\u52a8\u6216\u624b\u52a8\u6302\u8f7d\u5176\u4ed6\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u56e0\u6b64\uff0c\u4e00\u4e2a\u7cfb\u7edf\u4e2d\u53ef\u4ee5\u540c\u65f6\u5b58\u5728\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\u3002 <\/p>\n<p> \u5728Linux\u4e2d\uff0c\u5fc5\u987b\u8981\u6709\u4e00\u4e2a\u6839\u6587\u4ef6\u7cfb\u7edf\u7684\u6982\u5ff5\u3002\u6839\u6587\u4ef6\u7cfb\u7edf\u9996\u5148\u662f\u4e00\u79cd\u6587\u4ef6\u7cfb\u7edf\uff0c\u8be5\u6587\u4ef6\u7cfb\u7edf\u4e0d\u4ec5\u5177\u6709\u666e\u901a\u6587\u4ef6\u7cfb\u7edf\u7684\u5b58\u50a8\u6570\u636e\u6587\u4ef6\u7684\u529f\u80fd\uff0c\u4f46\u662f\u76f8\u5bf9\u4e8e\u666e\u901a\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b83\u7684\u7279\u6b8a\u4e4b\u5904\u5728\u4e8e\uff0c\u5b83\u662f\u5185\u6838\u542f\u52a8\u65f6\u6240\u6302\u8f7d\uff08mount\uff09\u7684\u4e4b\u4e00\u4e2a\u6587\u4ef6\u7cfb\u7edf\uff0c\u5185\u6838\u4ee3\u7801\u7684\u6620\u50cf\u6587\u4ef6\u4fdd\u5b58\u5728\u6839\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u7cfb\u7edf\u5f15\u5bfc\u542f\u52a8\u7a0b\u5e8f\u4f1a\u5728\u6839\u6587\u4ef6\u7cfb\u7edf\u6302\u8f7d\u4e4b\u540e\u4ece\u4e2d\u628a\u4e00\u4e9b\u521d\u59cb\u5316\u811a\u672c\uff08\u5982rcS,inittab\uff09\u548c\u670d\u52a1\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u53bb\u8fd0\u884c\u3002 <\/p>\n<p> mount\u662fLinux\u4e0b\u7684\u4e00\u4e2a\u547d\u4ee4\uff0c\u5b83\u53ef\u4ee5\u5c06\u5206\u533a\u6302\u63a5\u5230Linux\u7684\u4e00\u4e2a\u6587\u4ef6\u5939\u4e0b\uff0c\u4ece\u800c\u5c06\u5206\u533a\u548c\u8be5\u76ee\u5f55\u8054\u7cfb\u8d77\u6765\uff0c\u56e0\u6b64\u6211\u4eec\u53ea\u8981\u8bbf\u95ee\u8fd9\u4e2a\u6587\u4ef6\u5939\uff0c\u5c31\u76f8\u5f53\u4e8e\u8bbf\u95ee\u8be5\u5206\u533a\u4e86\u3002 \u76ee\u524dmount\u5df2\u7ecf\u4e0d\u4ec5\u4ec5\u5c40\u9650\u4e8eLinux\u4e86\u3002\u5728Windows\u7cfb\u7edf\u4e0b\u7684\u5e94\u7528\u4e5f\u8d8a\u6765\u8d8a\u5e7f\u4e86\uff0c\u591a\u7528\u5728\u865a\u62df\u5149\u9a71\u7c7b\u8f6f\u4ef6\u4e0a\uff0c\u6bd4\u5982Clone CD\uff0cDaemon tool\uff0cWinMount\u7b49\u3002 <\/p>\n<p> \u6839\u6587\u4ef6\u7cfb\u7edf\u5728\u7cfb\u7edf\u542f\u52a8\u4e2d\u5230\u5e95\u662f\u4ec0\u4e48\u65f6\u5019\u6302\u8f7d\u7684\u5462\uff1f\u5148\u5c06\/dev\/ram0\u6302\u8f7d\uff0c\u800c\u540e\u6267\u884c\/linuxrc.\u7b49\u5176\u6267\u884c\u5b8c\u540e\u3002\u5207\u6362\u6839\u76ee\u5f55\uff0c\u518d\u6302\u8f7d\u5177\u4f53\u7684\u6839\u6587\u4ef6\u7cfb\u7edf.\u6839\u6587\u4ef6\u7cfb\u7edf\u6267\u884c\u5b8c\u4e4b\u540e\uff0c\u4e5f\u5c31\u662f\u5230\u4e86Start_kernel()\u51fd\u6570\u7684\u6700\u540e\uff0c\u6267\u884cinit\u7684\u8fdb\u7a0b\uff0c\u4e5f\u5c31\u4e4b\u4e00\u4e2a\u7528\u6237\u8fdb\u7a0b\u3002\u5bf9\u7cfb\u7edf\u8fdb\u884c\u5404\u79cd\u521d\u59cb\u5316\u7684\u64cd\u4f5c\u3002 <\/p>\n<p> \u6839\u6587\u4ef6\u7cfb\u7edf\u4e4b\u6240\u4ee5\u5728\u524d\u9762\u52a0\u4e00\u4e2a\u201d\u6839\u201c\uff0c\u8bf4\u660e\u5b83\u662f\u52a0\u8f7d\u5176\u5b83\u6587\u4ef6\u7cfb\u7edf\u7684\u201d\u6839\u201c\uff0c\u65e2\u7136\u662f\u6839\u7684\u8bdd\uff0c\u90a3\u4e48\u5982\u679c\u6ca1\u6709\u8fd9\u4e2a\u6839\uff0c\u5176\u5b83\u7684\u6587\u4ef6\u7cfb\u7edf\u4e5f\u5c31\u6ca1\u6709\u529e\u6cd5\u8fdb\u884c\u52a0\u8f7d\u7684\u3002\u5b83\u5305\u542b\u7cfb\u7edf\u5f15\u5bfc\u548c\u4f7f\u5176\u4ed6\u6587\u4ef6\u7cfb\u7edf\u5f97\u4ee5\u6302\u8f7d\uff08mount\uff09\u6240\u5fc5\u8981\u7684\u6587\u4ef6\u3002 <\/p>\n<p> \u95ee\u9898\u56db\uff1a\u4ec0\u4e48\u662f\u6839\u6587\u4ef6\u7cfb\u7edf \u4e0b\u9762\u662f\u4eceUndertanding the linux kernel 3rd\u6458\u5f55\u7684 12.4. Filesystem Handling Like every traditional Unix system, Linux makes use of a system \u2018s root filesystem : it is the filesystem that is directly mounted by the kernel during the booting phase and that holds the system initialization scripts and the most essential system programs. Other filesystems can be mountedeither by the initialization scripts or directly by the userson directories of already mounted filesystems. Being a tree of directories, every filesystem has its own root directory. The directory on which a filesystem is mounted is called the mount point. A mounted filesystem is a child of the mounted filesystem to which the mount point directory belongs. For instance, the \/proc virtual filesystem is a child of the system \u2018s root filesystem (and the system \u2018s root filesystem is the parent of \/proc). The root directory of a mounted filesystem hides the content of the mount point directory of the parent filesystem, as well as the whole subtree of the parent filesystem below the mount point.\u7b80\u5355\u7684\u6765\u8bf4\uff0c\u6211\u8ba4\u4e3a\u6839\u6587\u4ef6\u7cfb\u7edf\u5c31\u662f\u4e00\u79cd\u76ee\u5f55\u7ed3\u6784,\u90a3\u4e48\u6839\u6587\u4ef6\u7cfb\u7edf\u548c\u666e\u901a\u7684\u6587\u4ef6\u7cfb\u7edf\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f\u6211\u8ba4\u4e3a\u6839\u6587\u4ef6\u7cfb\u7edf\u5c31\u662f\u8981\u5305\u62ecLinux\u542f\u52a8\u65f6\u6240 \u5fc5\u987b\u7684\u76ee\u5f55\u548c\u5173\u952e\u6027\u7684\u6587\u4ef6\uff0c\u4f8b\u5982Linux\u542f\u52a8\u65f6\u90fd\u9700\u8981\u6709init\u76ee\u5f55\u4e0b\u7684\u76f8\u5173\u6587\u4ef6\uff0c\u5728Linux\u6302\u8f7d\u5206\u533a\u65f6Linux\u4e00\u5b9a\u4f1a\u627e\/etc\/fstab\u8fd9\u4e2a \u6302\u8f7d\u6587\u4ef6\u7b49\uff0c\u6839\u6587\u4ef6\u7cfb\u7edf\u4e2d\u8fd8\u5305\u62ec\u4e86\u8bb8\u591a\u7684\u5e94\u7528\u7a0b\u5e8fbin\u76ee\u5f55\u7b49\uff0c\u4efb\u4f55\u5305\u62ec\u8fd9\u4e9bLinux\u7cfb\u7edf\u542f\u52a8\u6240\u5fc5\u987b\u7684\u6587\u4ef6\u90fd\u53ef\u4ee5\u6210\u4e3a\u6839\u6587\u4ef6\u7cfb\u7edf\u3002 Linux\u652f\u6301\u591a\u79cd\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\uff0c\u5728\u5d4c\u5165\u5f0f\u4e0a\u5e38\u7528\u7684\u6709\uff1aROMFS,JFFS2,NFS,CRAMFS,YAFFS\u7b49\u7b49\u3002\u5728Linux\u7cfb\u7edf\u4e2d\u662f\u901a\u8fc7mount\u547d\u4ee4\u6765\u6302\u8f7d\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u5728ARM Linux\u4e2d\u5e38\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u7684\u914d\u7f6e\uff1aRAM Disk Driver + EXT2;MTD Driver + JFFS2\/YAFFS;NFS;uclinux\u4e2d\u5e38\u89c1\u7684\u6587\u4ef6\u7cfb\u7edf\u914d\u7f6e\u4e3a\uff1aBlkmem Driver + ROMFS(\u652f\u6301 Nor \u2026\u2026&gt;&gt; <\/p>\n<p> \u95ee\u9898\u4e94\uff1a\u4ec0\u4e48\u662f\u6839\u6587\u4ef6\u7cfb\u7edf \u662f\u6587\u4ef6\u7cfb\u7edf\u6839\u76ee\u5f55\u4e48\uff1f\u5c31\u662f\u4f60\u5206\u533a\u4e4b\u540e\u7684\u76d8\u7b26\u7684\u9996\u5c42\u8def\u5f84\u3002\u5982\uff1aC\uff1a\/\u8fd9\u7c7b\u7684\u3002 <\/p>\n<p> \u95ee\u9898\u516d\uff1a\u6839\u6587\u4ef6\u7cfb\u7edf\u7684\u6587\u4ef6\u7cfb\u7edf (1)jffs2JFFS\u5d4c\u5165\u5f0f\u7cfb\u7edf\u6587\u4ef6\u7cfb\u7edf\u6700\u65e9\u662f\u7531\u745e\u5178 Axis munications\u516c\u53f8\u57fa\u4e8eLinux2.0\u7684\u5185\u6838\u4e3a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u7684\u6587\u4ef6\u7cfb\u7edf\u3002JFFS2\u662fRedHat\u516c\u53f8\u57fa\u4e8eJFFS\u5f00\u53d1\u7684\u95ea\u5b58\u6587\u4ef6\u7cfb\u7edf\uff0c\u6700\u521d\u662f\u9488\u5bf9RedHat\u516c\u53f8\u7684\u5d4c\u5165\u5f0f\u4ea7\u54c1eCos\u5f00\u53d1\u7684\u5d4c\u5165\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff0c\u6240\u4ee5JFFS2\u4e5f\u53ef\u4ee5\u7528\u5728Linux, uCLinux\u4e2d\u3002Jffs2: \u65e5\u5fd7\u95ea\u5b58\u5d4c\u5165\u5f0f\u7cfb\u7edf\u6587\u4ef6\u7cfb\u7edf\u7248\u672c2 (Journalling Flash FileSystem v2)\u4e3b\u8981\u7528\u4e8eNOR\u578b\u95ea\u5b58\uff0c\u57fa\u4e8eMTD\u9a71\u52a8\u5c42\uff0c\u7279\u70b9\u662f\uff1a\u53ef\u8bfb\u5199\u7684\u3001\u652f\u6301\u6570\u636e\u538b\u7f29\u7684\u3001\u57fa\u4e8e\u54c8\u5e0c\u8868\u7684\u65e5\u5fd7\u578b\u6587\u4ef6\u7cfb\u7edf\uff0c\u5e76\u63d0\u4f9b\u4e86\u5d29\u6e83\/\u6389\u7535\u5b89\u5168\u4fdd\u62a4\uff0c\u63d0\u4f9b\u201c\u5199\u5e73\u8861\u201d\u652f\u6301\u7b49\u3002\u7f3a\u70b9\u4e3b\u8981\u662f\u5f53\u6587\u4ef6\u7cfb\u7edf\u5df2\u6ee1\u6216\u63a5\u8fd1\u6ee1\u65f6\uff0c\u56e0\u4e3a\u5783\u573e\u6536\u96c6\u7684\u5173\u7cfb\u800c\u4f7fjffs2\u7684\u8fd0\u884c\u901f\u5ea6\u5927\u5927\u653e\u6162\u3002\u76ee\u524djffs3\u6b63\u5728\u5f00\u53d1\u4e2d\u3002\u5173\u4e8ejffs\u7cfb\u5217\u6587\u4ef6\u7cfb\u7edf\u7684\u4f7f\u7528\u8be6\u7ec6\u6587\u6863\uff0c\u53ef\u53c2\u8003MTD\u8865\u4e01\u5305\u4e2dmtd-jffs-HOWTO.txt\u3002jffsx\u4e0d\u9002\u5408\u7528\u4e8eNAND\u95ea\u5b58\u4e3b\u8981\u662f\u56e0\u4e3aNAND\u95ea\u5b58\u7684\u5bb9\u91cf\u4e00\u822c\u8f83\u5927\uff0c\u8fd9\u6837\u5bfc\u81f4jffs\u4e3a\u7ef4\u62a4\u65e5\u5fd7\u8282\u70b9\u6240\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u8fc5\u901f\u589e\u5927\uff0c\u53e6\u5916\uff0cjffsx\u6587\u4ef6\u7cfb\u7edf\u5728\u6302\u8f7d\u65f6\u9700\u8981\u626b\u63cf\u6574\u4e2aFLASH\u7684\u5185\u5bb9\uff0c\u4ee5\u627e\u51fa\u6240\u6709\u7684\u65e5\u5fd7\u8282\u70b9\uff0c\u5efa\u7acb\u6587\u4ef6\u7ed3\u6784\uff0c\u5bf9\u4e8e\u5927\u5bb9\u91cf\u7684NAND\u95ea\u5b58\u4f1a\u8017\u8d39\u5927\u91cf\u65f6\u95f4\u3002(2)yaffs\uff1aYet Another Flash File Systemyaffs\/yaffs2\u662f\u4e13\u4e3a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4f7f\u7528 NAND\u578b\u95ea\u5b58\u800c\u8bbe\u8ba1\u7684\u4e00\u79cd\u65e5\u5fd7\u578b\u6587\u4ef6\u7cfb\u7edf\u3002\u4e0ejffs2\u76f8\u6bd4\uff0c\u5b83\u51cf\u5c11\u4e86\u4e00\u4e9b\u529f\u80fd(\u4f8b\u5982\u4e0d\u652f\u6301\u6570\u636e\u538b\u7f29)\uff0c\u6240\u4ee5\u901f\u5ea6\u66f4\u5feb\uff0c\u6302\u8f7d\u65f6\u95f4\u5f88\u77ed\uff0c\u5bf9\u5185\u5b58\u7684\u5360\u7528\u8f83\u5c0f\u3002\u53e6\u5916\uff0c\u5b83\u8fd8\u662f\u8de8\u5e73\u53f0\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u9664\u4e86Linux\u548ceCos\uff0c\u8fd8\u652f\u6301WinCE, pSOS\u548cThreadX\u7b49\u3002yaffs\/yaffs2\u81ea\u5e26NAND\u82af\u7247\u7684\u9a71\u52a8\uff0c\u5e76\u4e14\u4e3a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u63d0\u4f9b\u4e86\u76f4\u63a5\u8bbf\u95ee\u6587\u4ef6\u7cfb\u7edf\u7684API\uff0c\u7528\u6237\u53ef\u4ee5\u4e0d\u4f7f\u7528Linux\u4e2d\u7684MTD\u4e0eVFS\uff0c\u76f4\u63a5\u5bf9\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\u3002\u5f53\u7136\uff0cyaffs\u4e5f\u53ef\u4e0eMTD\u9a71\u52a8\u7a0b\u5e8f\u914d\u5408\u4f7f\u7528\u3002yaffs\u4e0e yaffs2\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\uff0c\u524d\u8005\u4ec5\u652f\u6301\u5c0f\u9875(512 Bytes) NAND\u95ea\u5b58\uff0c\u540e\u8005\u5219\u53ef\u652f\u6301\u5927\u9875(2KB) NAND\u95ea\u5b58\u3002\u540c\u65f6\uff0cyaffs2\u5728\u5185\u5b58\u7a7a\u95f4\u5360\u7528\u3001\u5783\u573e\u56de\u6536\u901f\u5ea6\u3001\u8bfb\/\u5199\u901f\u5ea6\u7b49\u65b9\u9762\u5747\u6709\u5927\u5e45\u63d0\u5347\u3002(3) Cramfs\uff1apressed ROM File SystemCramfs\u662fLinux\u7684\u521b\u59cb\u4eba Linus 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Ramfs\u9700\u6c42\u7684RAM\u7a7a\u95f4\u8981\u5927\u4e00\u70b9\uff0c\u56e0\u4e3aCramfs\u662f\u91c7\u7528\u5206\u9875\u538b\u7f29\u7684\u65b9\u5f0f\u5b58\u653e\u6863\u6848\uff0c\u5728\u8bfb\u53d6\u6863\u6848\u65f6\uff0c\u4e0d\u4f1a\u4e00\u4e0b\u5b50\u5c31\u8017\u7528\u8fc7\u591a\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u53ea\u9488\u5bf9\u76ee\u524d\u5b9e\u9645\u8bfb\u53d6\u7684\u90e8\u5206\u5206\u914d\u5185\u5b58\uff0c\u5c1a\u6ca1\u6709\u8bfb\u53d6\u7684\u90e8\u5206\u4e0d\u5206\u914d\u5185\u5b58\u7a7a\u95f4\uff0c\u5f53\u6211\u4eec\u8bfb\u53d6\u7684\u6863\u6848\u4e0d\u5728\u5185\u5b58\u65f6\uff0cCramfs\u6587\u4ef6\u7cfb\u7edf\u81ea\u52a8\u8ba1\u7b97\u538b\u7f29\u540e\u7684\u8d44\u6599\u6240\u5b58\u7684\u4f4d\u7f6e\uff0c\u518d\u5373\u65f6\u89e3\u538b\u7f29\u5230 RAM\u4e2d\u3002\u53e6\u5916\uff0c\u5b83\u7684\u901f\u5ea6\u5feb\uff0c\u6548\u7387\u9ad8\uff0c\u5176\u53ea\u8bfb\u7684\u7279\u70b9\u6709\u5229\u4e8e\u4fdd\u62a4\u6587\u4ef6\u7cfb\u7edf\u514d\u53d7\u7834\u574f\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002\u7531\u4e8e\u4ee5\u4e0a\u7279\u6027\uff0cCramfs\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u5e94\u7528\u5e7f\u6cdb\u3002\u4f46\u662f\u5b83\u7684\u53ea\u8bfb\u5c5e\u6027\u540c\u65f6\u53c8\u662f\u5b83\u7684\u4e00\u5927\u7f3a\u9677\uff0c\u4f7f\u5f97\u7528\u6237\u65e0\u6cd5\u5bf9\u5176\u5185\u5bb9\u5bf9\u8fdb\u6269\u5145\u3002Cramfs\u6620\u50cf\u901a\u5e38\u662f\u653e\u5728Flash\u4e2d\u2026\u2026&gt;&gt; <\/p>\n<p> \u95ee\u9898\u4e03\uff1aLinux \u6839\u6587\u4ef6\u7cfb\u7edf \u4e3a\u4ec0\u4e48 \u91cd\u8981 \u6ca1\u6709\u6839\uff0c\u4e5f\u5c31\u6ca1\u6cd5\u5411\u4e0a\u957f\u6210\u6811\uff1b\u5f53\u7136\uff0cLinux\u91cc\u7684\u6587\u4ef6\u7cfb\u7edf\u4e00\u822c\u662f\u4e00\u68f5\u5012\u7740\u7684\u6811\u3002 <\/p>\n<p> \u65e2\u7136\u6839\u5bf9\u4e00\u68f5\u771f\u6811\u90a3\u4e48\u91cd\u8981\uff0c\u5728Linux\u91cc\u4e5f\u53ef\u4ee5\u7c7b\u63a8\u4e86\u3002 <\/p>\n<p> \u6839\u6587\u4ef6\u7cfb\u7edf\u662f\u5176\u4ed6\u6587\u4ef6\u7684\u6700\u7ec8\u6302\u8f7d\u70b9\uff0c\u6ca1\u6709\u6839\u6587\u4ef6\u7cfb\u7edf\uff0c\u5c31\u50cf\u4e00\u68f5\u88ab\u780d\u6210\u4e03\u96f6\u516b\u843d\u7684\u6811\uff0c\u4e71\u4e03\u516b\u7cdf\u4e86\u3002\u3002\u3002 <\/p>\n<p> \u95ee\u9898\u516b\uff1a\u4ec0\u4e48\u662flinux\u6839\u6587\u4ef6\u7cfb\u7edf\u79fb\u690d linux\u6587\u4ef6\u7cfb\u7edf\u683c\u5f0f\u633a\u590d\u6742\u591a\u6837\u7684\uff0c\u5982ext\u3001ext2\u3001ext3\u3001ext4\u3001jsf\u3001 \u3001xfs\u3001ReiserFS\u7b49\u3002 \u4e00\u822c\u60c5\u51b5\u4e0b\uff0clinux\u6839\u5206\u533a\u6587\u4ef6\u7cfb\u7edf\u591a\u6570\u7528ext3\u3001ext4\uff0c\u5b89\u88c5\u65f6\u4f60\u53ef\u4ee5\u9009\u62e9\u3002 <\/p>\n<p> \u95ee\u9898\u4e5d\uff1aLinux\u5185\u6838\u4e2d\u6709\u6587\u4ef6\u7cfb\u7edf\u6a21\u5757, 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