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INTRODUCTION(2015)

ucore labs was used as OS Experiments in OS Course Of Dept. of Computer Science & Technology, Tsinghua University.

ucore is a teaching OS which is derived from xv6&jos in MIT, OS161 in Harvard and Linux. ucore was developed and used in Department of Computer Science & Technology, Institute for Interdisciplinary Information Sciences, Tsinghua University. The codes in the files that constitute xv6&jos are Copyright (2006-Current) Frans Kaashoek, Robert Morris, and Russ Cox and uses MIT License. The codes in the files that constitute OS/161 are written by David A. Holland. The codes in the files that constitute ucore are Copyright (2010-Current) Yu Chen, Naizheng Wang, Yong Xiang and uses GPL License. The documents in the files that constitute ucore are Copyright (2010-Current) Yu Chen, Yong Xiang and uses Creative Commons Attribution/Share-Alike (CC-BY-SA) License.

PEOPLES

OS course for Dept. CS. in Tsinghua Univ., and MOOC OS course

Lectures: Chen, Yu http://soft.cs.tsinghua.edu.cn/~chen TA: Qi, Xiao qixiao0113@gmail.com TA: Mao, Junjie eternal.n08@gmail.com

CONTENTS

os course info

labs info

lab0: preparing lab1: boot/protect mode/stack/interrupt lab2: physical memory management lab3: virtual memory management lab4: kernel thread management lab5: user process management lab6: scheduling lab7: mutex/sync lab8: filesystem

WORK IN MS WINDOWS

Working in Linux is encouraged. But If you like to work in MS Windows, we provide virtual machine environment (Runnint Ubuntu in VirtualBox) in Windows to help you to finish the labs. If you don't want to install ubuntu and other softs to finish these labs in Windows, you can use VirtualBox soft (https://www.virtualbox.org/) and a virtual disk image with all these softs. Below example is shown how to setup lab environment in Windows. You can download this virtual disk image -- oslabs_for_student_2012.zip (576.2MB,) from http://pan.baidu.com/share/link?shareid=69868&uk=2585194235, which is an VirtualBox disk image (contains ubuntu 12.04 and needed softs, and is zipped with zip and xz format), and can be unzipped by haozip software (http://www.haozip.com). After unzip oslabs_for_student_XXX.zip, you will get

C:\vms\ubuntu-14.04.vbox.xz C:\vms\ubuntu-14.04.vmdk.vmdk.xz C:\vms\ubuntu-14.04.vmdk-flat.vmdk.xz

then you will continue unzip all these files, and get

C:\vms\ubuntu-14.04.vbox C:\vms\ubuntu-14.04.vmdk.vmdk C:\vms\ubuntu-14.04.vmdk-flat.vmdk

If you installed VirtualBox soft, then the last step is: double clik file "ubuntu-12.04.vbox" and run ubuntu 12.04 in VirtualBox. In ubuntu 12.04 login Interface: username: chy password:

After you login, you will see the directory ucore_lab in HOME directory.

TESTED ENVIRONMENT

UBUNTU 14.04: GCC-4.8.2 CLANG-3.5 FEDORA 20: GCC-4.8.2

EXERCISE STEPS

0 Get the newest os lab src codes/docs.(Insure you can connect to github in ubuntu running on VrtualBox) 0.1 If you try to get all codes $rm -rf ucore_lab $git clone git://github.com/chyyuu/ucore_lab.git $cd ucore_lab 0.2 If you gloned ucore_lab and only try to get the updated codes $cd ucore_lab $git pull 1 $cd labX
2 read codes (specially the modified or added files) 3 add your code 4 compile your code $make 5 check your code $make qemu OR $make grade

6 debug your code $make debug

7 handin your code $make handin

OPTION

Now, ucore suuport LLVM/Clang-3.5 + in step4: $ USELLVM=1 make then you will use clang to compile ucore

GRADE/RANK

Superman: Finish all OS labs in one month by yourself Master: Finish all OS labs in two month by yourself Veteran: Finish all OS labs in three month by yourself Apprentice: Finish all OS labs in one semester with other guy's help

RESOURCE REPOSITORY

Basic OS labs (for students who learn OS course) The newest lab codes and docs is in https://github.com/chyyuu/ucore_lab

Advanced OS labs (for OS geeks or hackers or guys with Superman/Master Rank) The newest lab codes and docs is in https://github.com/chyyuu/ucore_plus

LEARNING DISSCUSS GROUPS

os learning group based on QQ

QQ id: 181873534

general discuss

If you have any questions about ucore basic os labs, you can subscribe to the Google Groups "os-course" group (http://groups.google.com/group/oscourse?hl=en.) To post to this group, send email to oscourse@googlegroups.com. To unsubscribe from this group, send email to oscourse+unsubscribe@googlegroups.com. For more options, visit this group at http://groups.google.com/group/oscourse?hl=en.

DEVELOPMENT DISCUSS GROUPS

If you have any questions about ucore advanced os labs, If you want to be a developer of ucore or pay attention to the development of ucore, you can subscribe to the Google Groups "ucore_dev" group (http://groups.google.com/group/ucore_dev?hl=en.) To post to this group, send email to ucore_dev@googlegroups.com. To unsubscribe from this group, send email to ucore_dev+unsubscribe@googlegroups.com. For more options, visit this group at http://groups.google.com/group/ucore_dev?hl=en.

UCORERS (Contributors)

Junjie Mao, Yuheng Chen, Cong Liu, Yang Yang, Zhun Qu, Shengwei Ren, Wenlei Zhu, Cao Zhang, Tong Sen, Xu Chen, Cang Nan, Yujian Fang, Wentao Han, Kaichen Zhang, Xiaolin Guo, Tianfan Xue, Gang Hu, Cao Liu, Yu Su,Xinhao Yuan, ...