unknownarkish/myxv6-szu-

此仓库是本人在课程《操作系统》（深圳大学）中对xv6进行学习/修改的作业

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该xv6副本用以我在操作系统中的作业 我使用git工具来为后面的作业做版本控制

由于本人水平有限，而且这个副本只是作业的性质，因此可能修改的比较糟糕。因此欢迎大家一起讨论！

This repository is a copy of xv6 for my homework in cource(Operating System). I use Git for version control to prevent screwing up

Because of bad ability, and only the nature of the job, it may be badly modyfied. But welcome to discuss it together!

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以下是xv6的原README文档：

The following is the original README documenet for the xv6:

xv6 is a re-implementation of Dennis Ritchie's and Ken Thompson's Unix Version 6 (v6). xv6 loosely follows the structure and style of v6, but is implemented for a modern x86-based multiprocessor using ANSI C.

ACKNOWLEDGMENTS

xv6 is inspired by John Lions's Commentary on UNIX 6th Edition (Peer to Peer Communications; ISBN: 1-57398-013-7; 1st edition (June 14, 2000)). See also http://pdos.csail.mit.edu/6.828/2016/xv6.html, which provides pointers to on-line resources for v6.

xv6 borrows code from the following sources: JOS (asm.h, elf.h, mmu.h, bootasm.S, ide.c, console.c, and others) Plan 9 (entryother.S, mp.h, mp.c, lapic.c) FreeBSD (ioapic.c) NetBSD (console.c)

The following people have made contributions: Russ Cox (context switching, locking), Cliff Frey (MP), Xiao Yu (MP), Nickolai Zeldovich, and Austin Clements.

We are also grateful for the bug reports and patches contributed by Silas Boyd-Wickizer, Mike CAT, Nelson Elhage, Nathaniel Filardo, Peter Froehlich, Yakir Goaran, Shivam Handa, Bryan Henry, Jim Huang, Anders Kaseorg, kehao95, Eddie Kohler, Imbar Marinescu, Yandong Mao, Hitoshi Mitake, Carmi Merimovich, Joel Nider, Greg Price, Ayan Shafqat, Eldar Sehayek, Yongming Shen, Cam Tenny, Rafael Ubal, Warren Toomey, Stephen Tu, Pablo Ventura, Xi Wang, Keiichi Watanabe, Nicolas Wolovick, Jindong Zhang, and Zou Chang Wei.

The code in the files that constitute xv6 is Copyright 2006-2016 Frans Kaashoek, Robert Morris, and Russ Cox.

ERROR REPORTS

If you spot errors or have suggestions for improvement, please send email to Frans Kaashoek and Robert Morris (kaashoek,[email protected]).

BUILDING AND RUNNING XV6

To build xv6 on an x86 ELF machine (like Linux or FreeBSD), run "make". On non-x86 or non-ELF machines (like OS X, even on x86), you will need to install a cross-compiler gcc suite capable of producing x86 ELF binaries. See http://pdos.csail.mit.edu/6.828/2016/tools.html. Then run "make TOOLPREFIX=i386-jos-elf-".

To run xv6, install the QEMU PC simulators. To run in QEMU, run "make qemu".

To create a typeset version of the code, run "make xv6.pdf". This requires the "mpage" utility. See http://www.mesa.nl/pub/mpage/.