{"id":999,"date":"2012-11-01T11:55:08","date_gmt":"2012-11-01T03:55:08","guid":{"rendered":"http:\/\/kaoru.tech\/?p=999"},"modified":"2013-05-03T13:11:28","modified_gmt":"2013-05-03T05:11:28","slug":"ubi-filesystem","status":"publish","type":"post","link":"http:\/\/kaoru.tech:7000\/wordpress\/?p=999","title":{"rendered":"UBI Filesystem"},"content":{"rendered":"<p>\u5d4c\u5165\u5f0f\u7684\u6587\u4ef6\u7cfb\u7edf\u6709\u5f88\u591a\uff0c\u6bd4\u5982JFFS2\u3001YAFFS\u3001UBIFS\u3002\u4e0b\u9762\u6765\u4ecb\u7ecd\u4e0b\u4ed6\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff1a<\/p>\n<ul>\n<li>JFFS2\u4e00\u822c\u7528\u4e8eNOR FLASH\u3002\u5177\u6709\u5728\u7ebf\u538b\u7f29\/\u89e3\u538b\u7f29\u529f\u80fd\uff0c\u9002\u5408\u5c0f\u5bb9\u91cf\u7684FLASH\u3002<\/li>\n<li>YAFFS\u8981\u5feb\u4e8eJFFS2\u5e76\u4e14\u6d88\u8017\u66f4\u5c11\u7684RAM\u3002YAFFS\u4e5f\u53ef\u7528\u4e8eNAND FLASH<\/li>\n<li>UBIFS\u63d0\u4f9b\u7c7b\u4f3cJFFS2\u7684\u538b\u7f29\u529f\u80fd\uff0c\u4f46\u662f\u5b83\u901a\u5e38\u4f5c\u4e3a\u4e00\u79cd\u7528\u4e8e\u5927\u5bb9\u91cfNAND FLASH\u7684\u66f4\u597d\u9009\u62e9<\/li>\n<\/ul>\n<h1>UBI\u6587\u4ef6\u7cfb\u7edf\u4f7f\u7528<\/h1>\n<h2>\u4f7f\u80fdUBIFS<\/h2>\n<p>\u5728\u5185\u6838\u4e2d\u6253\u5f00UBI file system support\uff0c\u5efa\u8bae\u7f16\u5165\u5185\u6838\u3002<\/p>\n<h2>\u6302\u8f7dUBIFS<\/h2>\n<p>\u901a\u5e38\u6302\u8f7dUBIFS\u7684\u65b9\u5f0f\u662f\u6302\u8f7dUBI\u5b57\u7b26\u8bbe\u5907\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>$ mount -t ubifs \/dev\/ubi0_0 \/mnt<\/pre>\n<p>\u5c06\u4f1a\u6302\u8f7dUBIFS\u5230UBI\u8bbe\u59070\u7684UBI\u5377\u68070\u4e0a\u3002<\/p>\n<p>UBI\u5377\u6807\u8bed\u6cd5\u4e3aubiX_Y\u6216\u8005ubiX:NAME\uff0c\u5176\u4e2d<\/p>\n<ul>\n<li>X &#8211; UBI\u8bbe\u5907\u53f7<\/li>\n<li>Y &#8211; UBI\u5377\u6807\u53f7<\/li>\n<li>NAME &#8211; UBI\u5377\u6807\u540d\u5b57<\/li>\n<\/ul>\n<h2>\u6302\u8f7d\u7a7a\u7684UBI\u5377<\/h2>\n<p>\u6211\u4eec\u53ef\u4ee5\u6302\u8f7d\u7a7a\u7684UBI\u5377\uff0c\u6bd4\u5982\uff1a\u6b64\u5377\u53ea\u5305\u542b0xFF\u7684\u6570\u636e\u3002<\/p>\n<p>\u4f8b\u5982\u8fd9\u91cc\u6709\u4e00\u4e2amtd0\u7684MTD\u8bbe\u5907\uff0c\u6211\u4eec\u8fd9\u6837\u505a\uff08\u5047\u5982UBIFS\u5df2\u7ecf\u7f16\u5165\u5185\u6838\uff09\uff1a<\/p>\n<pre lang=\"bash\"># \u64e6\u9664MTD\u8bbe\u5907\r\nubiformat \/dev\/mtd0\r\n\r\n# \u7ed1\u5b9amtd0\u5230UBI\u3002\u8fd9\u6761\u547d\u4ee4\u4f1a\u521b\u5efaUBI\u8bbe\u59070\u5e76\u4e14mdev\u4f1a\u521b\u5efa\/dev\/ubi0\u8bbe\u5907\u6587\u4ef6\r\nubiattach \/dev\/ubi_ctrl -m 0\r\n\r\n# \u521b\u5efa\u4e00\u4e2aUBI\u5377\uff0c\u6b64\u5904\u4f7f\u7528\u6240\u6709\u53ef\u7528\u7a7a\u95f4\r\nubimkvol \/dev\/ubi0 -N volume_name -m\r\n\r\n# \u6302\u8f7dUBIFS\r\nmount -t ubifs ubi0:volume_name \/mnt\/\r\n\r\n# \u6211\u4eec\u4e5f\u53ef\u4ee5\u64e6\u9664\u4e00\u4e2a\u5df2\u7ecf\u5b58\u5728\u7684UBIFS\u5377\r\nubiupdatevol \/dev\/ubi0_0 -t<\/pre>\n<h1>\u4f7f\u7528UBIFS\u7684\u5206\u533a\u4f5c\u4e3a\u6839\u6587\u4ef6\u7cfb\u7edf<\/h1>\n<p>\u9996\u5148\u6211\u4eec\u9700\u8981\u5c06\u88c1\u526a\u597d\u7684rootfs\u62f7\u8d1d\u5230NANDFLASH\u6302\u8f7d\u7684\u76ee\u5f55\u3002\u7136\u540e\u8fdb\u5165u-boot\uff0c\u4fee\u6539\u542f\u52a8\u53c2\u6570\u548c\u547d\u4ee4\uff1a<\/p>\n<pre lang=\"bash\" line=\"1\">set bootargs mem=256m console=ttyS0,115200 ubi.mtd=0 root=ubi0:Data rootfstype=ubifs rw\r\nset bootcmd bootm fe100000 - fe0e0000\r\nsaveenv<\/pre>\n<p>\u7b2c\u4e00\u6761\u4fee\u6539\u6839\u6587\u4ef6\u7cfb\u7edf\u91c7\u7528mtdblock0\u7684Data\u5377<\/p>\n<p>\u7b2c\u4e8c\u6761\u4e3aPowerPC\u4e0b\u542f\u52a8\u547d\u4ee4\uff0c\u5176\u4e2d-\u4ee3\u8868\u542f\u52a8\u5185\u6838\u800c\u6ca1\u6709initrd image<\/p>\n<p>\u7b2c\u4e09\u6761\u4fdd\u5b58\u73af\u5883\u53d8\u91cf<\/p>\n<h1>\u53c2\u8003\uff1a<\/h1>\n<ul>\n<li><a href=\"http:\/\/www.yaffs.net\/\">http:\/\/www.yaffs.net\/<\/a><\/li>\n<li><a href=\"http:\/\/www.linux-mtd.infradead.org\/doc\/ubi.html\">http:\/\/www.linux-mtd.infradead.org\/doc\/ubi.html<\/a><\/li>\n<li><a href=\"http:\/\/www.linux-mtd.infradead.org\/faq\/ubi.html\">http:\/\/www.linux-mtd.infradead.org\/faq\/ubi.html<\/a><\/li>\n<li><a href=\"http:\/\/www.denx.de\/wiki\/U-Boot\/WebHome\">http:\/\/www.denx.de\/wiki\/U-Boot\/WebHome<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5d4c\u5165\u5f0f\u7684\u6587\u4ef6\u7cfb\u7edf\u6709\u5f88\u591a\uff0c\u6bd4\u5982JFFS2\u3001YAFFS\u3001UBIFS\u3002\u4e0b\u9762\u6765\u4ecb\u7ecd\u4e0b\u4ed6\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff1a JFFS2\u4e00\u822c\u7528\u4e8eNOR FLASH\u3002\u5177\u6709\u5728\u7ebf\u538b\u7f29\/\u89e3\u538b\u7f29\u529f\u80fd\uff0c\u9002\u5408\u5c0f\u5bb9\u91cf\u7684FLASH\u3002 YAFFS\u8981\u5feb\u4e8eJFFS2\u5e76\u4e14\u6d88\u8017\u66f4\u5c11\u7684RAM\u3002YAFFS\u4e5f\u53ef\u7528\u4e8eNAND FLASH UBIFS\u63d0\u4f9b\u7c7b\u4f3cJFFS2\u7684\u538b\u7f29\u529f\u80fd\uff0c\u4f46\u662f\u5b83\u901a\u5e38\u4f5c\u4e3a\u4e00\u79cd\u7528\u4e8e\u5927\u5bb9\u91cfNAND FLASH\u7684\u66f4\u597d\u9009\u62e9 UBI\u6587\u4ef6\u7cfb\u7edf\u4f7f\u7528 \u4f7f\u80fdUBIFS \u5728\u5185\u6838\u4e2d\u6253\u5f00UBI file system support\uff0c\u5efa\u8bae\u7f16\u5165\u5185\u6838\u3002 \u6302\u8f7dUBIFS \u901a\u5e38\u6302\u8f7dUBIFS\u7684\u65b9\u5f0f\u662f\u6302\u8f7dUBI\u5b57\u7b26\u8bbe\u5907\uff0c\u4f8b\u5982\uff1a $ mount -t ubifs \/dev\/ubi0_0 \/mnt \u5c06\u4f1a\u6302\u8f7dUBIFS\u5230UBI\u8bbe\u59070\u7684UBI\u5377\u68070\u4e0a\u3002 UBI\u5377\u6807\u8bed\u6cd5\u4e3aubiX_Y\u6216\u8005ubiX:NAME\uff0c\u5176\u4e2d X &#8211; UBI\u8bbe\u5907\u53f7 Y &#8211; UBI\u5377\u6807\u53f7 NAME&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[38],"tags":[156,136,137],"class_list":["post-999","post","type-post","status-publish","format-standard","hentry","category-38","tag-rootfs-2","tag-ubi","tag-ubi-fs"],"_links":{"self":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=999"}],"version-history":[{"count":6,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/999\/revisions"}],"predecessor-version":[{"id":1100,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/999\/revisions\/1100"}],"wp:attachment":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=999"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}