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1.1. SOME NOTES FOR INSTALLING SWEB CHAPTER 1. INSTALL # Path to the bochs executable to use (patched bochs at different location) SET (BOCHS_PATH "bochs") #SET (BOCHS_PATH "/opt/sweb-bochs/bin/bochs") #’true’ to enable verbose compile output set(CMAKE_VERBOSE_MAKEFILE false) The resulting binary directory is determined as follows: // If your sweb sources are located at /home/user/sweb the resulting binary directory (using the above MakeOptions file) would be: /home/user/sweb-bin Be sure, that the direcory immediately below your desired sweb binary direcory is writeable. Now it’s time to let cmake do its job. Navigate to your sweb (source) directory, type $ cmake . (don’t forget the dot) and check for errors in the command output. If no error occured the makefiles have been successfully generated. 1.1.2 building sweb Now you can type $ make to build sweb. You might have to install following libs (debian / gentoo package names in braces): • cmake >=2.4 (cmake / cmake) • libcom_err.so (comerr-dev / ??) • nasm (nasm / nasm) • g++ (g++ / ) • gdb (gdb / gdb) • emulator of your choice: bochs (bochs-wx, bochs-x, bochsbios, bochs, vgabios / bochs) qemu (qemu / qemu) VMWare (http://www.vmware.com) XEN 14 of 151
CHAPTER 1. INSTALL 1.2. RUNNING SWEB 1.1.3 Important notes Adding/removing source files When you are adding (or removing) source files to your sweb sources don’t forget to run cmake from your sweb (source) directory again $ cmake . Moving/renaming source directory When you are moving your sweb source directory (e.g. /home/user/sweb -> /home/user/foo/bar/sweb) run the relocation script from the sweb directory, then run cmake again. $ ./ relocate_project . sh $ cmake . 1.2 running SWEB 1.2.1 bochs This might be the best emulator for debugging although it might have some problems. We suggest using bochs version >= 2.2.1. Older versions seem to have no problems loading grub but executing the kernel image. We supply a redy to use config file (bochsrc) and a patched grub to start it. start with ”make bochs” This internally runs ”make bochsconfig” the first time you run ”make bochs”. ”make bochsconfig” generates a ready to use bochsrc file. Configuring bochs The bochs configuration file is located at ./utils/bochs. Threr are two interesting file bochsrc (which is generated by make config or make bochsconfig) and bochsrc.pattern which is the template for bochsrc. So when you need to edit the bochs configuration always edit the bochsrc.pattern and run make config from the sweb directory, and you can be sure that your changes don’t get lost. 1.2.2 bochsgdb Almost the same as bochs but with gdb support. start with ”make bochsgdb” 1.2.3 qemu Qemu 0.6.2 has been tested too. start with ”make qemu” 15 of 151
Page 1 and 2: The holy bible of SWEB SWEB-Crew Se
Page 3 and 4: Contents 1 Install 13 1.1 some note
Page 5 and 6: CONTENTS CONTENTS 6 System Calls 71
Page 7 and 8: CONTENTS CONTENTS 11.6.9Running Xen
Page 9 and 10: List of Figures 3.1 Protected Mode
Page 11 and 12: List of Tables 3.1 Segment Descript
Page 13: Chapter 1 Install Basic guidelines
Page 17 and 18: CHAPTER 1. INSTALL 1.3. DEVELOPERS
Page 19 and 20: Chapter 2 GDB 2.1 General The GNU P
Page 21 and 22: CHAPTER 2. GDB 2.5. USING DDD The d
Page 23 and 24: CHAPTER 2. GDB 2.5. USING DDD To ge
Page 25 and 26: Chapter 3 VM, Protection and Paging
Page 27 and 28: CHAPTER 3. VM, PROTECTION AND PAGIN
Page 55 and 56: Chapter 4 Kernelspace Memory Manage
Page 57 and 58: CHAPTER 4. KERNELSPACE MEMORY MANAG
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Page 61 and 62: Chapter 5 Threads and Processes 5.1
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CHAPTER 5. THREADS AND PROCESSES5.4
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CHAPTER 5. THREADS AND PROCESSES 5.
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CHAPTER 5. THREADS AND PROCESSES 5.
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Chapter 6 System Calls 6.1 Base Inf
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CHAPTER 6. SYSTEM 6.2. CALLS SYSTEM
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CHAPTER 6. SYSTEM CALLS 6.3. SYSTEM
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Chapter 7 Character Devices 7.1 Int
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CHAPTER 7. CHARACTER DEVICES 7.3. C
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CHAPTER 7. CHARACTER DEVICES 7.4. K
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CHAPTER 7.5. SERIAL 7. CHARACTER PO
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CHAPTER 7. CHARACTER DEVICES 7.7. T
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CHAPTER 7. CHARACTER DEVICES 7.7. T
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CHAPTER 7. CHARACTER DEVICES 7.8. C
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Chapter 8 Block Devices 8.1 Introdu
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CHAPTER 8. BLOCK DEVICES 8.2. IMPLE
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Chapter 9 VFS, FS 9.1 Introduction
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CHAPTER 9. VFS, FS 9.3. VFS DATA ST
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CHAPTER 9. VFS, FS 9.4. RAMFS - MEM
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Chapter 10 Locking 10.1 Introductio
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CHAPTER 10. LOCKING 10.2. LOCKS 10.
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CHAPTER 10. LOCKING 10.4. CRITICAL
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Chapter 11 Xen 11.1 Introduction Th
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CHAPTER 11. XEN 11.3. XEN Xen diffe
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CHAPTER 11. XEN 11.4. SWEB- XEN 11.
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CHAPTER 11. XEN 11.4. SWEB- XEN 21
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CHAPTER 11. XEN 11.4. SWEB- XEN Fig
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CHAPTER 11. XEN 11.4. SWEB- XEN 11.
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CHAPTER 11. XEN 11.4. SWEB- XEN Fig
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CHAPTER 11. XEN 11.6. APPENDIX: INS
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Chapter 12 Hacking Sweb This chapte
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Bibliography [1] Wikipedia:Binary_p
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