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\u8fd9\u90e8\u5206\u5f00\u53d1\u8005\u5173\u5fc3\u4e0e\u67d0\u4e2a\u5904\u7406\u5668\u67b6\u6784\u7d27\u5bc6\u76f8\u5173\u7684\u4ee3\u7801\u90e8\u5206\uff0c\u6bd4\u5982PC\u4e0a\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684x86\uff0c\u4ee5\u53caIA64\uff0c\u8fd8\u6709ARM,Sparc,PowerPC,Alpha,s390,MIPS\u3002Linux\u652f\u6301\u51e0\u767e\u79cd\u5904\u7406\u5668\u67b6\u6784\u3002\u4ece\u5185\u68382.6.24\u5f00\u59cb\uff0ci386\u548cx86_64\u5408\u5e76\u4e3ax86\u3002 KBuild\u7684\u5f00\u53d1\u8005(KBuild Developers) KBuild\u7684\u5f00\u53d1\u8005\u5c31\u662f\u7ef4\u62a4\u5185\u6838\u6784\u5efa\u7cfb\u7edf\u7684\u5f00\u53d1\u8005\uff0c\u4ed6\u4eec\u9700\u8981\u77e5\u9053\u5185\u6838Makefile\u7684\u5404\u4e2a\u65b9\u9762\u3002 —— \u672c\u7bc7\u6559\u7a0b\u4e3b\u8981\u9762\u5411\u7b2c\u4e8c\u7c7b\u5f00\u53d1\u8005\u548c\u7b2c\u4e09\u7c7b\u5f00\u53d1\u8005\u3002\u5373\u4e00\u822c\u5f00\u53d1\u8005\u548c\u5904\u7406\u5668\u4f53\u7cfb\u67b6\u6784\u5f00\u53d1\u8005\u3002 3. kbuild\u6587\u4ef6 \u5927\u591a\u6570\u5185\u6838Makefile\u6587\u4ef6\u662fkbuild Makefile\u6587\u4ef6\uff0c\u5b83\u4eec\u4f7f\u7528\u4e0d\u540c\u4e8e\u4e00\u822cmake\u6587\u4ef6\u7684kbuild\u8bed\u6cd5\u3002\u4e0b\u9762\u4f1a\u4ecb\u7ecdkbuild makefile\u7684\u8bed\u6cd5\u3002Kbuild\u6587\u4ef6\u4e00\u822c\u88ab\u547d\u540d\u4e3aMafile\uff0c\u4f46\u662f\u4e5f\u53ef\u4ee5\u4f7f\u7528Kbuild\u540d\u5b57\u3002\u5982\u679c\u5df2\u7ecf\u5b58\u5728\u4e00\u4e2aMakefile\u6587\u4ef6\u4e86\uff0c\u90a3\u4e48\u5c31\u53ea\u597d\u7528Kbuild\u540d\u5b57\u4e86\u3002 3.1\u8282 "\u76ee\u6807\u5b9a\u4e49"\u662f\u4e00\u4e2a\u5feb\u901f\u7b80\u4ecb\uff0c\u66f4\u8be6\u7ec6\u7684\u4ecb\u7ecd\u4f1a\u5728\u4e0b\u9762\u7684\u7ae0\u8282\u9646\u7eed\u4ecb\u7ecd\u5e76\u6709\u771f\u5b9e\u7684\u4f8b\u5b50\u3002 3.1. \u76ee\u6807\u5b9a\u4e49(Goal Definitions) \u76ee\u6807\u5b9a\u4e49\u662fkbuild Makefile\u7684\u6700\u91cd\u8981\u7684\u90e8\u5206\u3002\u5b83\u4eec\u5b9a\u4e49\u4e86\u54ea\u4e9b\u6587\u4ef6\u4f1a\u88ab\u6784\u5efa\uff0c\u5e76\u6307\u5b9a\u4e00\u4e9b\u7279\u6b8a\u7684\u9009\u9879\u7ec4\u5408\u4ee5\u53ca\u5c06\u9012\u5f52\u8fdb\u5165\u5230\u54ea\u4e9b\u5b50\u76ee\u5f55\u3002 \u6700\u6700\u7b80\u5355\u7684makefile\u53ea\u6709\u4e00\u884c\u4ee3\u7801\uff0c\u5982\uff1a obj-y += foo.o \u8fd9\u884c\u4ee3\u7801\u544a\u8bc9kbuild\u7cfb\u7edf\u5f53\u524d\u76ee\u5f55\u4e0b\u6709\u4e00\u4e2a\u76ee\u6807\u8981\u6784\u5efa\uff0c\u5b83\u7684\u540d\u5b57\u662ffoo.o\u3002foo.o\u5c06\u4ecefoo.c\u6216\u8005foo.S\u751f\u6210\u3002 \u5982\u679cfoo.o\u9700\u8981\u88ab\u6784\u5efa\u6210\u4e00\u4e2a\u5185\u6838\u6a21\u5757\uff0c\u90a3\u4e48\u5e94\u8be5\u4f7f\u7528obj-m\u3002\u56e0\u6b64\u4e00\u822c\u4f7f\u7528\u4e0b\u9762\u7684\u6a21\u5f0f\uff1a obj-$(CONFIG_FOO) += foo.o $(CONFIG_FOO)\u662f\u4e00\u4e2amakefile\u53d8\u91cf\uff0c\u5728makefile\u6267\u884c\u65f6\u88ab\u66ff\u6362\u4e3ay\uff08\u5982\u679c\u5185\u5efa\u5230\u5185\u6838\uff09\u6216\u8005m\uff08\u5982\u679c\u6784\u5efa\u6210\u6a21\u5757\uff09\u3002\u5982\u679cCONFIG_FOO\u65e2\u4e0d\u662fy\u4e5f\u4e0d\u662fm\uff0c\u90a3\u4e2a\u8fd9\u4e00\u884c\u4ee3\u7801\u4f1a\u88ab\u5ffd\u7565\uff0c\u6307\u5b9a\u7684\u6587\u4ef6\u4e0d\u4f1a\u88ab\u7f16\u8bd1\u4e5f\u4e0d\u4f1a\u88ab\u94fe\u63a5\u3002 3.2 \u5185\u5efa\u7684\u5bf9\u8c61\u76ee\u6807(object goals) obj-y Kbuild Makefile\u901a\u8fc7obj-y\u5217\u8868\u4e3alinux\u5185\u6838\u6620\u8c61vmlinux\u6307\u5b9a\u76ee\u6807\u6587\u4ef6(.o)\u3002\u7a76\u7adf\u662f\u54ea\u4e9b\u76ee\u6807\u6587\u4ef6\u5219\u53d6\u51b3\u4e8e\u5185\u6838\u914d\u7f6e\u3002Kbuild\u7cfb\u7edf\u4f1a\u7f16\u8bd1\u6240\u6709obj-y\u5217\u8868\u4e2d\u7684\u6587\u4ef6\u3002\u7136\u540eKbuild\u7cfb\u7edf\u4f1a\u8c03\u7528$(LD) -r\u628a\u6240\u6709\u7684\u8fd9\u7cfb\u6587\u4ef6\u5408\u5e76\u5230\u4e00\u4e2abuilt-in.o\u6587\u4ef6\u3002\u8ddf\u4f4f\u5462\uff0cbuilt-in.o\u88ab\u6700\u4e0a\u7ea7Makefile\u94fe\u63a5\u5230linux\u5185\u6838\u6620\u8c61\u6587\u4ef6vmlinux\u3002 \u5728obj-y\u5217\u8868\u4e2d\u6307\u5b9a\u7684\u6587\u4ef6\u987a\u5e8f\u662f\u5f88\u91cd\u8981\u7684\u3002\u5217\u8868\u4e2d\u7684\u91cd\u590d\u9879\u4e5f\u662f\u88ab\u5145\u8bb8\u7684\u3002\u9996\u5148\u51fa\u73b0\u7684\u4f1a\u88ab\u9996\u5148\u94fe\u63a5\u5230built-in.o\uff0c\u540e\u9762\u7684\u91cd\u590d\u9879\u4f1a\u88ab\u5ffd\u7565\u3002 \u94fe\u63a5\u7684\u987a\u5e8f\u5f53\u7136\u4e5f\u662f\u6709\u91cd\u8981\u610f\u4e49\u7684\u3002\u56e0\u4e3a\u4e00\u4e9b\u51fd\u6570\u8c03\u7528\uff0c\u5982module_init()\uff0c_initcall\u4f1a\u5728\u7cfb\u7edf\u542f\u52a8\u9636\u6bb5\u6309\u7167\u4ed6\u4eec\u88ab\u94fe\u63a5\u7684\u5148\u540e\u987a\u5e8f\u88ab\u8c03\u7528\u3002\u6240\u4ee5\u6539\u53d8\u94fe\u63a5\u7684\u987a\u5e8f\u5f53\u7136\u4f1a\u9020\u6210\u610f\u4e49\u91cd\u5927\u7684\u5f71\u54cd\u3002\u6bd4\u5982\uff1a\u4f1a\u6539\u53d8SCSI\u63a7\u5236\u5668\u88ab\u5185\u6838\u53d1\u73b0\u7684\u5148\u540e\u987a\u5e8f\uff0c\u56e0\u6b64\u78c1\u76d8\u7684\u7f16\u53f7\u5219\u4f1a\u6539\u53d8\u3002 #drivers\/isdn\/i4l\/Makefile # Makefile for the kernel ISDN subsystem and device drivers. # Each configuration option enables a list of files. obj-$(CONFIG_ISDN) += isdn.o obj-$(CONFIG_ISDN_PPP_BSDCOMP) += isdn_bsdcomp.o (\u7b2c\u4e00\u7bc7\u5b8c) \u7b2c\u4e8c\u7bc7 … Continue reading 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