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作者 i386 在 PTT [ LinuxDev ] 看板的留言(推文), 共49則
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2F推: 要學kernel最方便的是qemu01/26 20:33
10F推: 用qemu模擬versatile會不會更簡單?08/21 14:26
6F→:印象中開機300秒就overflow了08/05 01:59
1F→:file open可以, http://i.imgur.com/9NAJlpy.png06/27 23:32
2F→:suspend/resume我沒試過, network的部份也可以debug.06/27 23:33
3F→:不過kernel file system的部份不是我的專長,不能給什麼06/27 23:34
4F→:建議..06/27 23:34
11F→:break point設在alloc_fd, 當然是在user space執行cat init06/28 00:36
12F→:往下用ioctl call到kernel裡面取得fd會執行到的地方.06/28 00:37
13F→:用cat 只是簡單可以去作fopen的動作而已.這部份你要寫06/28 00:38
14F→:user application去作fopen也可以..06/28 00:39
15F→:如果你是要了解kernel裡面的運作方式, file read/write用06/28 00:41
16F→:cat/echo這兩個命令就可以了..06/28 00:42
5F→:看SD的IP是否有支援, 不是看driver..06/24 21:24
7F→:Intellectual Property06/24 23:35
3F→:目前有問題的似乎都是ram不到128M的環境.05/06 10:07
4F→:可以先確定看看沒問題的環境下,到底會用到多少記憶體.05/06 10:07
5F→:對照每個環境用的memory allocator(slab/slob/slub)?05/06 10:09
4F→:應該是bit field這類的data structure影響最大..10/24 01:21
1F→:cat /proc/loadavg12/14 18:40
4F→:cpu發生exception的時候就會用到了...08/26 15:30
15F→:補充一下,cpu上電後第一條指令並不一定都在0x0,這是可以在08/28 22:30
16F→:ic設計時去決定的...08/28 22:30
1F→:原始碼這裡有 http://www.apcupsd.com/07/06 00:08