??xml version="1.0" encoding="utf-8" standalone="yes"?>国产精品午夜久久,久久精品二区,2019久久久高清456 http://www.shnenglu.com/jinglexy/archive/2009/01/06/71371.html#71376?/dc:creator>?/author>Tue, 06 Jan 2009 12:52:00 GMT http://www.shnenglu.com/jinglexy/archive/2009/01/06/71371.html#71376 ]]>re: 自己动手写内核(pdfQchmQsource下蝲Q(20070711修订版,原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2008/12/21/26021.html#69988rain rain Sun, 21 Dec 2008 06:57:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/12/21/26021.html#69988 ]]> re: 自己动手写内核(W?课:文gpȝQ(原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2008/07/24/24377.html#57052庞帆 庞帆 Thu, 24 Jul 2008 06:21:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/07/24/24377.html#57052 ]]> re: 自己动手写内核(pdfQchmQsource下蝲Q(20070711修订版,原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2008/06/28/26021.html#54872bbb bbb Sat, 28 Jun 2008 04:57:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/06/28/26021.html#54872 ]]> re: Debian 安装记录Q原创) http://www.shnenglu.com/jinglexy/archive/2008/06/21/23557.html#54241Star Liu Star Liu Sat, 21 Jun 2008 10:44:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/06/21/23557.html#54241 谢了Q?img src ="http://www.shnenglu.com/jinglexy/aggbug/54241.html" width = "1" height = "1" /> ]]> re: 程囄制Y件dia介绍Q原创) http://www.shnenglu.com/jinglexy/archive/2008/06/19/28186.html#54025diavisio diavisio Thu, 19 Jun 2008 07:59:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/06/19/28186.html#54025 可能Q在适用性上QDIAq需要更多的努力!希望CDIA 1.0的时候,能够有一个质的飞跃!Q?img src ="http://www.shnenglu.com/jinglexy/aggbug/54025.html" width = "1" height = "1" /> ]]>re: 程囄制Y件dia介绍Q原创) http://www.shnenglu.com/jinglexy/archive/2008/06/19/28186.html#54024diavisio diavisio Thu, 19 Jun 2008 07:57:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/06/19/28186.html#54024 草稿已经完成。正式版本还要等待一下?br> 发表在:http://hi.baidu.com/diavisio ]]> re: 一Ƒ֥用的pim工具QessentialpimQ原创) http://www.shnenglu.com/jinglexy/archive/2008/05/10/49132.html#49429EchoTiro EchoTiro Sat, 10 May 2008 07:20:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/05/10/49132.html#49429 xplanner其实是用于极限编E的理工具Q对于团队开发意义可能更大,不过个h用来l织自己的项目的话也是很不错的?img src ="http://www.shnenglu.com/jinglexy/aggbug/49429.html" width = "1" height = "1" /> ]]> re: 一Ƒ֥用的pim工具QessentialpimQ原创) http://www.shnenglu.com/jinglexy/archive/2008/05/09/49132.html#49325天衣有缝 天有缝 Fri, 09 May 2008 09:06:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/05/09/49132.html#49325 个h使用暂时qessential pim吧,呵呵 ]]> re: 一Ƒ֥用的pim工具QessentialpimQ原创) http://www.shnenglu.com/jinglexy/archive/2008/05/08/49132.html#49179EchoTiro EchoTiro Thu, 08 May 2008 01:48:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/05/08/49132.html#49179 ]]>re: fpu, mmx及sse的一?介绍Q原创)[未登录] http://www.shnenglu.com/jinglexy/archive/2008/03/19/22218.html#44830补考少q?/dc:creator>补考少q?/author>Wed, 19 Mar 2008 02:44:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/03/19/22218.html#44830 http://bbs.chinaunix.net/pm.php?action=view&folder=inbox&pmid=757158]你好Q[/url] [quote]我在你的博客中有留言Q! 想问你个问题Q?br>期待你的回复Q![/quote] 很抱歉,才看C的短?br>FPUQSEE和MMX是不是有重叠的部分呢Q?br>你是说寄存器重叠吗?fpu和mmx使用相同的寄存器Q名字不同,使用L一个之前最好保存相关上下文寄存器?br>sse和sse2只有比较新的cpuQpII以上Q才支持Qؓ了保证兼Ҏ,默认~译器不会用它?br>gcc帮助中有Q?br> i386 and x86-64 Options -mtune=cpu-type -march=cpu-type -mfp- math=unit -masm=dialect -mno-fancy-math-387 -mno-fp-ret-in-387 -msoft-float -msvr3-shlib -mno-wide-multiply -mrtd -malign-dou- ble -mpreferred-stack-boundary=num -mmmx -msse -msse2 -msse3 -m3dnow -mthreads -mno-align-stringops -minline-all-stringops -mpush-args -maccumulate-outgoing-args -m128bit-long-double -m96bit-long-double -mregparm=num -momit-leaf-frame-pointer -mno-red-zone -mno-tls-direct-seg-refs -mcmodel=code-model -m32 -m64 像没有fpu的时候用libc中Y点一P默认gcc对一些复杂算法用fpu指o和Y件算法来解决 可以比较一下: gcc -c double.c -o double -msse2 objdump -d double gcc -c double.c -o double -m3dnow objdump -d double 对优化的一些猜:针对各个q_~译一套dll?soQ不同的~译优化选项Q,然后启动时判断^収ͼ加蝲不同的dll 具体的我也没深入研究q,都是一知半解,希望对你有帮?img src ="http://www.shnenglu.com/jinglexy/aggbug/44830.html" width = "1" height = "1" /> ]]> re: fpu, mmx及sse的一?介绍Q原创) http://www.shnenglu.com/jinglexy/archive/2008/02/19/22218.html#42942h h Tue, 19 Feb 2008 06:47:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/02/19/22218.html#42942 惛_你请教一下: FPUQSEE和MMX是不是有重叠的部分呢Q?br> 在Intel CPU下的GCC对于点计算部分代码是不是{换上只用FPU的指令呢Q?br>下面是我在Linux下跑的一个例子,前一部分代码是C源代码,后一部分代码是GCC处理后的相应汇编代码Q我发现里面只有涉及FPU的东西,而没有MMX和SEE?br> ylin@ylin:~/program/c$ cat double.c double sum(double s1, double s2) { int i = 1; double c = 3.0; c += s1; c += s2; c += i; return c; } void test() { sum(1.0, 2.0); } ylin@ylin:~/program/c$ cat double.s .file "double.c" .section .rodata .align 8 .LC0: .long 0 .long 1074266112 .text .globl sum .type sum, @function sum: pushl %ebp movl %esp, %ebp subl $32, %esp movl 8(%ebp), %eax movl %eax, -24(%ebp) movl 12(%ebp), %eax movl %eax, -20(%ebp) movl 16(%ebp), %eax movl %eax, -32(%ebp) movl 20(%ebp), %eax movl %eax, -28(%ebp) movl $1, -4(%ebp) fldl .LC0 fstpl -16(%ebp) fldl -16(%ebp) faddl -24(%ebp) fstpl -16(%ebp) fldl -16(%ebp) faddl -32(%ebp) fstpl -16(%ebp) fildl -4(%ebp) fldl -16(%ebp) faddp %st, %st(1) fstpl -16(%ebp) fldl -16(%ebp) leave ret .size sum, .-sum .section .rodata .align 8 .LC2: .long 0 .long 1073741824 .text .globl test .type test, @function test: pushl %ebp movl %esp, %ebp subl $16, %esp fldl .LC2 fstpl 8(%esp) fld1 fstpl (%esp) call sum fstp %st(0) leave ret .size test, .-test .ident "GCC: (GNU) 4.1.2 (Ubuntu 4.1.2-0ubuntu4)" .section .note.GNU-stack,"",@progbits ]]>re: 程囄制Y件dia介绍Q原创) http://www.shnenglu.com/jinglexy/archive/2008/02/01/28186.html#42355dong dong Fri, 01 Feb 2008 09:06:00 GMT http://www.shnenglu.com/jinglexy/archive/2008/02/01/28186.html#42355 ]]>re: 自己动手写内核(W?课:文gpȝQ(原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/12/25/24377.html#39594ytmf xa ypm ytmf xa ypm Tue, 25 Dec 2007 08:24:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/12/25/24377.html#39594
别听上边那个SZ瞎说...走自q?..
支持你的原创.... ]]> re: C++写内栔R要注意的一些事情(原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/12/22/26940.html#39256Nubix Nubix Sat, 22 Dec 2007 01:30:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/12/22/26940.html#39256 ]]> re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/12/21/28723.html#39191ldljlzw ldljlzw Fri, 21 Dec 2007 02:24:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/12/21/28723.html#39191 http://jinix.sourceforge.net/上也没有下蝲?/a>?img src ="http://www.shnenglu.com/jinglexy/aggbug/39191.html" width = "1" height = "1" /> ]]> re: 自己动手写内核(W?课:引导E序Q(原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/12/19/23597.html#38999上v大众搬场 上v大众搬场 Wed, 19 Dec 2007 02:35:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/12/19/23597.html#38999 ]]> re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/12/17/28723.html#38702pitt pitt Mon, 17 Dec 2007 01:48:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/12/17/28723.html#38702 ]]>re: 自己动手写内核(W?课:文gpȝQ(原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/10/30/24377.html#35533补考少q?/dc:creator>补考少q?/author>Tue, 30 Oct 2007 10:25:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/10/30/24377.html#35533 一开始也没有打算译这些文章,至于排版Q等你读完整个系列,׃明白我ؓ什么不用图片了。如果你q坚持我是在转脓Q可以用google和baidu搜一?搜文章内容即可)Q好像没有哪个站Ҏ完整的“原创”吧Q?img src ="http://www.shnenglu.com/jinglexy/aggbug/35533.html" width = "1" height = "1" /> ]]> re: 自己动手写内核(W?课:文gpȝQ(原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/10/26/24377.html#35268Minidx全文?/dc:creator>Minidx全文?/author>Fri, 26 Oct 2007 13:27:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/10/26/24377.html#35268 ]]> re: 自己动手写内核(W?课:文gpȝQ(原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/10/26/24377.html#35248fggh gqx wq fggh gqx wq Fri, 26 Oct 2007 08:57:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/10/26/24377.html#35248 以后转脓的时候。别那么大脸写原创。。。。不怕撞歅R。? q有。。。{帖也要有责Q心。。拜托大哥排一下版。。?img src ="http://www.shnenglu.com/jinglexy/aggbug/35248.html" width = "1" height = "1" /> ]]> re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/10/20/28723.html#34706恰到好处 恰到好处 Sat, 20 Oct 2007 11:49:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/10/20/28723.html#34706 ]]>re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/10/20/28723.html#34700恰到好处 恰到好处 Sat, 20 Oct 2007 11:05:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/10/20/28723.html#34700
q个也不知道是什么意思啊
]]> re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/10/20/28723.html#34699恰到好处 恰到好处 Sat, 20 Oct 2007 10:56:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/10/20/28723.html#34699 LD=ld
.s.o:
${AS} -a $< -o $*.o >$*.map
all: final.img
final.img: bootsect
mv bootsect final.img
bootsect: bootsect.o
${LD} --oformat binary -N -e start -Ttext 0x7c00 -o bootsect $<
q个里面?
.s.o: ///q个是不是写错了啊,应该是bootsect.o: bootsect.s? ${AS} -a $< -o $*.o >$*.map
]]> re: 自己动手写内核(W?课:保护模式Q(原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/09/30/23598.html#33258way way Sun, 30 Sep 2007 07:32:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/09/30/23598.html#33258 然后你ƈ没有用dataD?q两个段完全重P又没有paging 所以进入保护模式这里将“ljmp $CODE_SEL, $0x0?br>改ؓ“ljmp $DATA_SEL, $0x0”是不是效果完全一样呢Q?br>q样q会正常q作吗?我看很多资料都没提到Z要重q?br>q问题也困扰我很久了 谢谢解答 ]]> re: 自己动手写内核(pdfQchmQsource下蝲Q(20070711修订版,原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/09/20/26021.html#32522?/dc:creator>?/author>Thu, 20 Sep 2007 01:45:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/09/20/26021.html#32522 ]]> re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/09/18/28723.html#32414marvels marvels Tue, 18 Sep 2007 05:15:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/09/18/28723.html#32414 现在要做一个分늳l?感到很难.原理懂了,但是代码不会?
]]> re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/09/15/28723.html#32249cnduly cnduly Fri, 14 Sep 2007 22:57:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/09/15/28723.html#32249 ]]>re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/09/05/28723.html#31576S I L S I L Tue, 04 Sep 2007 16:16:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/09/05/28723.html#31576 本h工作pȝ部分Q驱动程序等? 希望可以QQ联系Q交感惻I因ؓ国内做KERNEL研究的不多。水q也大不相同Q给人学习带来更多的困难Q因此认识更多共同爱好的人具有非一般的意义?img src ="http://www.shnenglu.com/jinglexy/aggbug/31576.html" width = "1" height = "1" /> ]]> re: 自己动手写内核(pdfQchmQsource下蝲Q(20070711修订版,原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/08/27/26021.html#30959wew wew Mon, 27 Aug 2007 11:13:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/08/27/26021.html#30959 ]]> re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/08/22/28723.html#30591kenya kenya Wed, 22 Aug 2007 07:29:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/08/22/28723.html#30591 ]]>re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28785补考少q?/dc:creator>补考少q?/author>Wed, 25 Jul 2007 15:38:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28785 可以啊,不过qq不常用,左上公告处有msnQ周一到周四的晚上都在Q,也可以邮件交:Q?br> @梦在天 我也q是学习中,边学边用了,Ƣ迎加入linux阵营 @天下无双 3xQ我q是菜鸟Q超菜,有机会一起交交?br> @pass86 3x @江水?br>3x @I明{ q样的项目其实也挺多的,计划之前曄C很多的osQ从目标受众和系l设计及具体~码Q其中也有较多搁项目)上看Q多多少有些不满意Q所以就另v炉灶了,重新发明轮子Q也许还是个方的Q) 手涂鸦Q见W见W?br> ]]> re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28777I明{ I明{ Wed, 25 Jul 2007 10:32:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28777 ]]>re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28755江水?/dc:creator>江水?/author>Wed, 25 Jul 2007 05:17:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28755 ]]> re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28750pass86 pass86 Wed, 25 Jul 2007 03:42:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28750 ]]>re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28747天下无双 天下无双 Wed, 25 Jul 2007 03:29:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28747 ]]>re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28739梦在天 梦在天 Wed, 25 Jul 2007 01:16:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/07/25/28723.html#28739 ]]>re: jinix内核目Qhttp://jinix.sourceforge.netQ原创) http://www.shnenglu.com/jinglexy/archive/2007/07/24/28723.html#28730cpper cpper Tue, 24 Jul 2007 15:33:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/07/24/28723.html#28730 可不可以交个朋友Q~
qq:102832962 ]]> re: 自己动手写内核(pdfQchmQsource下蝲Q(20070711修订版,原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/07/24/26021.html#28722补考少q?/dc:creator>补考少q?/author>Tue, 24 Jul 2007 12:34:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/07/24/26021.html#28722 ]]> re: 自己动手写内核(pdfQchmQsource下蝲Q(20070711修订版,原创Q?/title> http://www.shnenglu.com/jinglexy/archive/2007/07/24/26021.html#28680zql zql Tue, 24 Jul 2007 01:57:00 GMT http://www.shnenglu.com/jinglexy/archive/2007/07/24/26021.html#28680 ]]>
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