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[問題] 要進到保護模式前...set CR0[0] 會重開機

[ ASM ]33 留言, 推噓總分: +7

作者: stenler - 發表於 2008/10/04 18:56(17年前)

3^F→stenler:目前是不需要續跑只要能證明我有切換到保護模式即可10/04 21:50

4^F→stenler:問題是連切CR0都不行了...讓我很疑惑10/04 21:50

6^F→stenler:我後面接一個jmp就是要跳到mov ax,0這邊10/04 22:03

7^F→stenler:希望它可以從這裡執行讓我塞想要的程式碼10/04 22:03

8^F→stenler:不過到了mov CR0, eax...就一整個重開拉~連jmp都沒辦法執10/04 22:04

9^F→stenler:行10/04 22:04

11^F→stenler:jmp到Protect_mode proc裡面...難道重開機跟後面這個有關?10/04 22:12

15^F→stenler:恩恩...我目前只想開CR0...然後存取一個1MB置以上的data10/04 22:55

16^F→stenler:來驗證10/04 22:55

17^F→stenler:回g大　我不是用debug跑的　是弄成.exe後直接執行10/04 22:57

19^F→stenler:回G大~這我不確定　要禮拜一才能試試...而且我不確定10/05 10:13

20^F→stenler:是不是因為後面的指令下的不好才使的 mov CR0,eax這行重開10/05 10:14

21^F→stenler:不過目前我始終覺得是前面哪個環節出了問題..10/05 10:14

27^F→stenler:今天發現事情做後面要把CR0[0] disable掉不然電腦會瘋掉10/06 20:03

28^F→stenler:重開...然後 disable完CR0之後....中斷服務(int 系列)10/06 20:03

29^F→stenler:也很神奇的不能用了...Orz...這是我今天花了八個小時10/06 20:03

30^F→stenler:發現的事情...真的很浪費時間囧10/06 20:03

[問題] 如何在dos底下把.asm作成exe(或cmd)阿

[ ASM ]11 留言, 推噓總分: +4

作者: stenler - 發表於 2008/10/03 18:49(17年前)

2^F→stenler:剛剛突然想到要這麼證明自己有切到保護模式阿@@?10/03 22:20

3^F→stenler:GDT怎麼設定怎麼load...CR0怎麼都知道了就是不會證明= =10/03 22:20

8^F→stenler:報告一下~用masm611就可以直接在dos底下assemble了10/04 18:57

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