6.828

[MIT6.828]LAB1输入输出TAB字符的若干问题及总结

LAB1给代码中的'\t'的处理很简陋，直接把'\t'替换为5个空格，这和我们平时习惯有很大不同，所以要改造一下。1、在kern/console.ccga_putc()函数中，可以看到'\t'case分支，把这个分支替换为如下代码:case'\t': do{ cons_putc(''); }while(crt_pos%TAB_SIZE!=0); break;其中的TAB_SIZE我将其定义
talin2010·2010-11-02 17:00

[MIT6.828] 调试虚拟机OS时断点设置问题和总结

MIT6.828的LAB1中的内核代码中，内核段基址为0x10000000(可由kern/entry.S中的mygdt标号下的数据计算得到)，这样如果一个虚拟地址是0xF010013A(kern/init.c
davelv·2010-10-31 00:00

[MIT6.828] 调试虚拟机OS时断点设置问题和总结

MIT6.828的LAB1中的内核代码中，内核段基址为0x10000000(可由kern/entry.S中的mygdt标号下的数据计算得到)，这样如果一个虚拟地址是0xF010013A(kern/init.c
talin2010·2010-10-31 00:00

[MIT6.828]ELF文件格式

1、整体ELF文件结构看起来如下：LinkingViewExecutionView==========================ELFheaderELFheaderProgramheadertable(optional)ProgramheadertableSection1Segment1...Segment2Sectionn...SectionheadertableSectionheader
davelv·2010-10-29 18:00

[MIT6.828]ELF文件格式

1、整体ELF文件结构看起来如下：LinkingViewExecutionView ========================== ELFheaderELFheader Programheadertable(optional)Programheadertable Section1Segment1 ...Segment2 Sectionn... Sectionheadertabl
talin2010·2010-10-29 18:00

6.828 Fall 2007 Lab1 Excercise7

Exercise7.Tracethroughthefirstfewinstructionsofthebootloaderagainandidentifythefirstinstructionthatwould"break"orotherwisedothewrongthingifyouweretogetthebootloader'slinkaddresswrong.Thenchangethelink
Hycz·2010-10-07 01:22

6.828 Fall 2007 Lab1 Excercise7

Exercise7.Tracethroughthefirstfewinstructionsofthebootloaderagainandidentifythefirstinstructionthatwould"break"orotherwisedothewrongthingifyouweretogetthebootloader'slinkaddresswrong.Thenchangethelink
Hycz·2010-10-07 01:22

6.828 Fall 2007 Lab1 Excercise6

Exercise6.Resetthemachine(exitbochsandstartitagain).Examinethe8wordsofmemoryat0x00100000atthepointtheBIOSentersthebootloader,andthenagainatthepointthebootloaderentersthekernel.Whyaretheydifferent?What
Hycz·2010-10-07 01:37

6.828 Fall 2007 Lab1 Excercise6

Exercise6.Resetthemachine(exitbochsandstartitagain).Examinethe8wordsofmemoryat0x00100000atthepointtheBIOSentersthebootloader,andthenagainatthepointthebootloaderentersthekernel.Whyaretheydifferent?What
Hycz·2010-10-07 01:37
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