OS開発ゼミの最先端OS談義の成果発表資料です。 Crhomeが嫌いなわけではないです。

1. sec-write
sec-read
Y-I OS
http://t-takeda.work
1

2. 2

3. 3
fwrite

4. ~/Library/Application Support/Google/Chrome/Default
$ cat History
4

5. 5
Hello! Hello! Hello!

6. 6
Hello! Hello! Hello!

7. 7
I/O hook
App
GPU

8. 8
I/O hook
App
GPU

9. 9
fwrite
9
Hello!
fread

10. 10
fwrite
10

11. 11
fread
11

12. 12
I/O hook
App
GPU

13. 13
fwrite
(AES, XOR…)

14. 14
I/O hook
App
GPU

15. 15
fwrite
GPU
GPU Client
GPU
GPU
PC
Intel,AMD…

16. GPU Mediator
16
Christopher J. Rossbach, Jon Currey, Mark Silberstein,
Baishakhi Ray, Emmett Witchel, PTask: Operating
System Abstractions To Manage GPUs as
Compute Devices, SOSP 2011.
Kato, Shinpei, et al. "Gdev: First-Class {GPU}
Resource Management in the Operating
System." USENIX. 2012.

17. 17
fwrite
Mediator
GPU Client
GPU
Mediator

18. 18
Mediator
GPU Client
GPU
Mediator

19. 19
fwrite
Mediator
GPU Client
GPU
Mediator

20. 20
Mediator
GPU Client
GPU
Mediator

21. 21
fwrite
Mediator
GPU Client
GPU
Mediator

22. 22
Mediator
GPU Client
GPU
Mediator

23. 23
Mediator
GPU Client
GPU
Mediator

24. 24
Mediator
GPU Client
GPU
Mediator

25. 25
Mediator
GPU Client
GPU
Mediator

26. 26

27. 27
$cat encrypted.txt