{"id":1304,"date":"2010-09-09T10:10:16","date_gmt":"2010-09-09T02:10:16","guid":{"rendered":"http:\/\/edsionte.com\/techblog\/?p=1304"},"modified":"2010-09-24T13:51:28","modified_gmt":"2010-09-24T05:51:28","slug":"%e5%9c%a8%e5%86%85%e6%a0%b8%e4%b8%ad%e6%96%b0%e5%a2%9e%e9%a9%b1%e5%8a%a8%e4%bb%a3%e7%a0%81%e7%9b%ae%e5%bd%952","status":"publish","type":"post","link":"http:\/\/edsionte.com\/techblog\/archives\/1304","title":{"rendered":"\u5728\u5185\u6838\u4e2d\u65b0\u589e\u9a71\u52a8\u4ee3\u7801\u76ee\u5f55(2)"},"content":{"rendered":"<h1><strong><span style=\"color: #ff0000;\"><em>Step by Step<\/em><\/span><\/strong><\/h1>\n<p>\u4e0a\u6587\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u7406\u89e3\u4e86Makefile\u4e0eKconfig\u7684\u4f5c\u7528\uff0c\u90a3\u4e48\u6211\u4eec\u73b0\u5728\u8981\u5728\u5185\u6838\u4e2d\u589e\u52a0edsionteDriver\u9a71\u52a8\u4ee3\u7801\uff0c\u5e76\u544a\u8bc9\u5185\u6838\u201c\u8bf7\u60a8\u4e0b\u6b21\u7f16\u8bd1\u7684\u65f6\u5019\u634e\u5e26\u4e0a\u6211\u201d\u3002\u5177\u4f53\u5e94\u8be5\u5982\u4f55\u6765\u505a\uff1f\u9996\u5148\u5e94\u8be5\u5728Makefile\u4e2d\u6dfb\u52a0\u76f8\u5173\u9a71\u52a8\u6587\u4ef6\u7684\u7f16\u8bd1\u4fe1\u606f\uff0c\u7136\u540e\u8fd8\u5f97\u5728Kconfig\u4e2d\u6dfb\u52a0\u8fd9\u4e2a\u65b0\u9a71\u52a8\u5bf9\u5e94\u7684\u914d\u7f6e\u9009\u9879\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u5f00\u59cb\u5427\uff01<\/p>\n<p>\u6211\u4eec\u9996\u5148\u5728\u5185\u6838\u6839\u76ee\u5f55\u4e0b\u6dfb\u52a0edsioteDriver\u9a71\u52a8\u76ee\u5f55\u3002\u5982\u4f55\u5c06\u6b64\u9a71\u52a8\u76ee\u5f55\u4e0e\u4e0a\u4e00\u7ea7\u76ee\u5f55\u8fde\u63a5\u8d77\u6765\uff1f\u90a3\u4e48\u5c31\u9700\u8981\u6211\u4eec\u6765\u505a\u4e00\u4e9b\u4fee\u6539\u3002\u5728\u9a71\u52a8\u76ee\u5f55\u7684\u4e0a\u4e00\u7ea7\u76ee\u5f55\u4e2d\uff0c\u6211\u4eec\u627e\u5230Makefile\u6587\u4ef6\uff0c\u7136\u540e\u5728\u5728\u6b64\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4e0b\u9762\u4ee3\u7801(\u6700\u597d\u5728\u81ea\u5df1\u6dfb\u52a0\u7684\u4ee3\u7801\u524d\u540e\u52a0\u4e0a\u6ce8\u91ca\uff0c\u4ee5\u4fbf\u4e0e\u539f\u6709\u4ee3\u7801\u533a\u522b)\uff1a<\/p>\n<pre class=\"brush:c\">#edsionteDriver 's starting\r\nobj-y+=edsionteDriver\/\r\n#edsinteDriver's ending<\/pre>\n<p>\u8fd9\u53e5\u8bdd\u4f7f\u5f97kbulid\u4f1a\u5c06edsionteDriver\u76ee\u5f55\u5217\u5165\u5230\u5411\u4e0b\u8fed\u4ee3\u7684\u76ee\u6807\u5f53\u4e2d\uff0c\u901a\u4fd7\u4e00\u70b9\u8bf4\u5c31\u662f\u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u4f1a\u5c06\u6211\u4eec\u5199\u7684\u8fd9\u4e2a\u9a71\u52a8\u76ee\u5f55\u5217\u5165\u7f16\u8bd1\u7684\u8303\u56f4\u4e4b\u5185\u3002obj-y\u6587\u4ef6\u5217\u8868\u5c06\u4f1a\u88ab\u94fe\u63a5\u5230built-in.o\uff0c\u5e76\u6700\u7ec8\u7f16\u8bd1\u5230vmlinux\u7684\u76ee\u6807\u6587\u4ef6\u5217\u8868 \u3002\u8fd9\u4e2a\u89e3\u91ca\u5c5e\u4e8e\u5b98\u65b9\u8bf4\u6cd5\uff0c\u4e8b\u5b9e\u4e0a\u5f53\u524d\u6211\u4e5f\u4e0d\u662f\u5f88\u6e05\u9664\u8fd9\u662f\u795e\u9a6c\u610f\u601d\uff0c\u4e0d\u8fc7\u4f60\u53ea\u9700\u4e86\u89e3obj-y\u5f00\u59cb\u7684\u6587\u4ef6\u5217\u8868\u4f1a\u88ab\u7f16\u8bd1\u5e76\u8fde\u63a5\u81f3\u5185\u6838\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u6211\u4eec\u4e0a\u6587\u4e2d\u6240\u8bf4obj-$(CONFIG_xxx):=(\u6587\u4ef6\u5217\u8868)\u8fd9\u6837\u7684\u8bed\u53e5\u662f\u5b9a\u4e49\u53d8\u91cf\uff0c\u5176\u4e2d\u5177\u4f53\u89c4\u5219\u662f\uff1a\u53d8\u91cf\u540d \u53d8\u91cf\u7b26 \u53d8\u91cf\u503c\u3002\u53d8\u91cf\u7b26\u53ef\u4ee5\u662f=\uff0c+=\uff0c:=\uff0c?=\u4e2d\u7684\u4e00\u4e2a\uff0c\u5176\u4e2d+=\u662f\u8ffd\u52a0\u8d4b\u503c\u7b26\uff0c\u5b9e\u73b0\u5bf9\u53d8\u91cf\u7684\u8ffd\u52a0\u8d4b\u503c\u3002\u5176\u4e2d$(CONFIG_XXX)\u662f\u5bf9CONFIG_XXX\u7684\u5f15\u7528\uff0cCONFIG_XXX\u7684\u503c\u4f1a\u6839\u636e\u4f9d\u8d56\u5173\u7cfb\u4ee5\u53ca\u7528\u6237\u8f93\u5165\u6765\u51b3\u5b9a\u3002\u6bd4\u5982\u5982\u679c\u662fdepend on\u4f9d\u8d56\u7684\u8bdd\uff0c\u90a3\u4e48\u7528\u6237\u53ef\u9009\u62e9y\u6216n\uff1b\u5982\u679c\u662f\u4e0a\u6587\u4e2d\u7684tristate\u90a3\u4e48\u5c31\u662f\u4e09\u6001\u9009\u9879\uff0c\u5373y\u3001n\u6216m\u3002obj-m\u8868\u793a\u4f1a\u5c06\u6587\u4ef6\u5f53\u4f5c\u5185\u6838\u6a21\u5757\u6765\u7f16\u8bd1\uff0cobj-n\u5c31\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u6211\u4eec\u521a\u6dfb\u52a0\u7684\u8bed\u53e5\u53ea\u662f\u5bf9edsionteDriver\u76ee\u5f55\u8d77\u4f5c\u7528\uff0c\u81f3\u4e8e\u8fd9\u4e2a\u76ee\u5f55\u4e0b\u7684\u5404\u4e2a\u5b50\u6587\u4ef6\u662f\u8981\u6a21\u5757\u7f16\u8bd1\u8fd8\u662f\u94fe\u5165\u4f60\u548c\u8fd8\u8981\u5177\u4f53\u770b\u6211\u4eecedsionteDriver\u76ee\u5f55\u4e0b\u7684Makefile\u6587\u4ef6\u3002<\/p>\n<p>\u4e0b\u9762\u4fee\u6539\u9a71\u52a8\u76ee\u5f55\u5b50\u76ee\u5f55\u7684Kconfig\u6587\u4ef6\uff1a<\/p>\n<pre class=\"brush:c\">#edsionteDriver 's starting\r\nsource \"drivers\/edsionteDriver\/Kconfig\"\r\n#edsinteDriver's ending<\/pre>\n<p>\u8fd9\u6761\u811a\u672c\u662f\u5c06edsionteDriver\u76ee\u5f55\u4e2d\u7684Kconfig\u52a0\u5165\u5230\u4e0a\u7ea7\u76ee\u5f55\u4e2d\u7684Kconfig\u4e2d\u3002\u8fd9\u6837\u4e0a\u7ea7\u76ee\u5f55\u7684Kconfig\u4f1a\u5f15\u7528\u5230edsionteDriver\u76ee\u5f55\u4e2d\u7684Kconfig\u6587\u4ef6\u3002\u901a\u8fc7\u8fd9\u6761\u8bed\u53e5\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f53\u4f1aKconfig\u7684\u53e6\u4e00\u4e2a\u4f5c\u7528\uff1aKconfig\u6587\u4ef6\u5c06\u5206\u5e03\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u5404\u4e2a\u5b50\u76ee\u5f55\u7684Kconfig\u90fd\u96c6\u4e2d\u5728\u81ea\u5df1\u7684Kconfig\u5f53\u4e2d\u3002<\/p>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u4e24\u6b65\u4fee\u6539\u5c31\u4f1a\u8ba9\u7236\u76ee\u5f55\u611f\u77e5\u5230edsionteDriver\u7684\u5b58\u5728\u4e86\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u7f16\u5199edsionteDriver\u76ee\u5f55\u4ee5\u53ca\u5176\u5b50\u76ee\u5f55\u4e0b\u7684\u5404\u4e2aKconfig\u548cMakefile\u6587\u4ef6\u3002\u9996\u5148\u662fedsionteDriver\u76ee\u5f55\u4e0b\u7684\u4e24\u4e2a\u6587\u4ef6\u914d\u7f6e\uff1a<\/p>\n<p>Makefile\u6587\u4ef6\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush:c\"># drivers\/edsionteDriver\/Makefile\r\n# just a test\r\n\r\nobj-$(CONFIG_MYDRIVER) +=mydriver.o\r\nobj-$(CONFIG_MYDRIVER_USER) +=mydriver_user.o\r\nobj-$(CONFIG_KEY) +=key\/<\/pre>\n<p>\u6211\u4eec\u9700\u8981\u7528\u6237\u6765\u9009\u62e9\u662f\u5426\u7f16\u8bd1mydriver.c\uff0c\u6240\u4ee5\u9700\u8981\u7528CONFIG_MYDRIVER\u53d8\u91cf\u6765\u4fdd\u5b58\u9009\u9879\u503c\u3002\u4e0b\u9762\u4e24\u53e5\u7c7b\u4f3c\u6211\u4eec\u4e00\u5f00\u59cb\u5728\u7236\u76ee\u5f55\u4e0b\u589e\u52a0edsionteDriver\u76ee\u5f55\u3002<br \/>\nKconfig\u6587\u4ef6\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush:c\"># dirvers\/edsionteDriver\/Kconfig\r\n\r\nmenu \"Test edsionteDriver\"\r\n\r\nconfig MYDRIVER\r\n    tristate \"mydriver test!\"\r\nconfig MYDRIVER_USER\r\n    bool \"user-space test\"\r\n    depends on MYDRIVER\r\n\r\nsource \"drivers\/edsionteDriver\/key\/Kconfig\"\r\nendmenu<\/pre>\n<p>\u9996\u5148menu\u548cendmenu\u4e4b\u95f4\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u83dc\u5355Test edsionteDriver\uff0c\u7136\u540e\u7b2c\u4e00\u6761config\u8bed\u53e5\u4f1a\u5efa\u7acb\u4e00\u4e2a\u540d\u4e3a&#8221;mydriver test&#8221;\u7684\u914d\u7f6e\u83dc\u5355\uff0c\u7528\u6237\u5728\u5c3d\u4eab\u6b64\u9879\u76ee\u7684\u914d\u7f6e\u65f6\u8f93\u5165\u7684\u914d\u7f6e\u4fe1\u606f(Y,N\u6216M)\uff0c\u4f1a\u5b58\u50a8\u5728config\u540e\u9762\u7684MYDRIVER\u53d8\u91cf\u4e2d\u3002\u800c\u8fd9\u4e2a\u53d8\u91cf\u4f1a\u76f4\u63a5\u5173\u7cfb\u5230Makefile\u6587\u4ef6\u4e2d\u662f\u5426\u7f16\u8bd1\u76f8\u5e94\u7684\u6587\u4ef6\u3002\u7b2c\u4e8c\u4e2aconfig\u8bed\u53e5\u8fd8\u662f\u521b\u5efa\u4e00\u4e2a\u914d\u7f6e\u83dc\u5355\u7684\u6761\u76ee\uff0c\u53ea\u4e0d\u8fc7\u6bd4\u8f83\u7279\u6b8a\u7684\u662f\u8fd9\u4e2a\u83dc\u5355\u4f9d\u8d56\u4e8e\u4e0a\u9762\u6211\u4eec\u521b\u5efa\u7684\u83dc\u5355\u201cmydriver test\u201d\uff08\u8bed\u6cd5\u4e0a\u662fMYDRIVER_USER\u4f9d\u8d56\u4e8eMYDRIVER\uff09\u3002\u5177\u4f53\u542b\u4e49\u662f\uff0c\u53ea\u6709\u5f53\u7528\u6237\u9009\u62e9\u914d\u7f6e\u201cmydriver test\u201d\u65f6\uff0c\u624d\u4f1a\u51fa\u73b0\u4e0b\u7ea7\u83dc\u5355&#8221;user-sapce test&#8221;\uff1b\u5426\u5219\u8fd9\u4e2a\u4e0b\u7ea7\u83dc\u5355\u662f\u4e0d\u4f1a\u51fa\u73b0\u7684\u3002<\/p>\n<p>\u6700\u540e\u4e00\u6761source\u8bed\u53e5\u7684\u4f5c\u7528\u662f\u5c06edsionteDriver\u76ee\u5f55\u4e0b\u7684\u5b50\u76ee\u5f55key\/\u4e5f\u52a0\u5165\u5230\u5185\u6838\u7f16\u8bd1\u65f6\u626b\u63cf\u7684\u5bf9\u5e94\u5f53\u4e2d\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5c31\u5e94\u8be5\u4fee\u6539key\u76ee\u5f55\u4e0b\u7684\u76f8\u5e94\u6587\u4ef6\u4e86\uff0c\u8fd9\u91cc\u4e0d\u518d\u8be6\u7ec6\u8bf4\u660e\uff0c\u5982\u679c\u4f60\u6210\u529f\u4fee\u6539\u4e86\u4e0a\u8ff0\u6587\u4ef6\uff0c\u4fee\u6539key\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u5e94\u8be5\u4e0d\u56f0\u96be\u5427\uff1f<\/p>\n<p>\u8fd9\u6837\u7684step by step\u5e76\u4e0d\u662f\u4e3a\u4e86\u6559\u4f1a\u5404\u4f4d\u5982\u4f55\u4ea7\u751f\u90a3\u4e2a\u914d\u7f6e\u83dc\u5355\uff0c\u800c\u662f\u8ba9\u5404\u4f4d\u5728\u57fa\u672c\u7406\u89e3Kconfig\uff0cMakefile\u4ee5\u53ca.config\u4e09\u8005\u7684\u57fa\u7840\u4e0a\u66f4\u6df1\u5165\u7684\u53bb\u5b66\u4e60\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Step by Step \u4e0a\u6587\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u7406\u89e3\u4e86Makefile\u4e0eKconfig\u7684\u4f5c\u7528\uff0c\u90a3\u4e48\u6211\u4eec\u73b0\u5728\u8981\u5728\u5185\u6838\u4e2d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[146],"tags":[134,147,145,403],"class_list":["post-1304","post","type-post","status-publish","format-standard","hentry","category-146","tag-kernel","tag-147","tag-145","tag-403"],"views":13792,"_links":{"self":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/1304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/comments?post=1304"}],"version-history":[{"count":0,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/1304\/revisions"}],"wp:attachment":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/media?parent=1304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/categories?post=1304"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/tags?post=1304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}