xv6-65oo2/README

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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.
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ACKNOWLEDGMENTS
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xv6 is inspired by John Lions's Commentary on UNIX 6th Edition (Peer
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to Peer Communications; ISBN: 1-57398-013-7; 1st edition (June 14,
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2000)). See also http://pdos.csail.mit.edu/6.828/2012/v6.html, which
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provides pointers to on-line resources for v6.
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xv6 borrows code from the following sources:
JOS (asm.h, elf.h, mmu.h, bootasm.S, ide.c, console.c, and others)
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Plan 9 (entryother.S, mp.h, mp.c, lapic.c)
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FreeBSD (ioapic.c)
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NetBSD (console.c)
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The following people have made contributions:
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Russ Cox (context switching, locking)
Cliff Frey (MP)
Xiao Yu (MP)
Nickolai Zeldovich
Austin Clements
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In addition, we are grateful for the patches contributed by Greg
Price, Yandong Mao, and Hitoshi Mitake.
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The code in the files that constitute xv6 is
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Copyright 2006-2014 Frans Kaashoek, Robert Morris, and Russ Cox.
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ERROR REPORTS
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If you spot errors or have suggestions for improvement, please send
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email to Frans Kaashoek and Robert Morris (kaashoek,rtm@csail.mit.edu).
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BUILDING AND RUNNING XV6
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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
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binaries. See http://pdos.csail.mit.edu/6.828/2014/tools.html.
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Then run "make TOOLPREFIX=i386-jos-elf-".
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To run xv6, install the QEMU PC simulators. To run in QEMU, run "make qemu".
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To create a typeset version of the code, run "make xv6.pdf". This
requires the "mpage" utility. See http://www.mesa.nl/pub/mpage/.