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xv6 with changes to the filesystem

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Name		Name	Last commit message	Last commit date
Latest commit History 1 Commit
BUGS		BUGS
LICENSE		LICENSE
Makefile		Makefile
Notes		Notes
README		README
TRICKS		TRICKS
asm.h		asm.h
big.c		big.c
bigg.c		bigg.c
bio.c		bio.c
bootasm.S		bootasm.S
bootmain.c		bootmain.c
buf.h		buf.h
cat.c		cat.c
console.c		console.c
cuth		cuth
date.c		date.c
date.h		date.h
defs.h		defs.h
dot-bochsrc		dot-bochsrc
echo.c		echo.c
elf.h		elf.h
entry.S		entry.S
entryother.S		entryother.S
exec.c		exec.c
fcntl.h		fcntl.h
file.c		file.c
file.h		file.h
forktest.c		forktest.c
fs.c		fs.c
fs.h		fs.h
gdbutil		gdbutil
grep.c		grep.c
ide.c		ide.c
init.c		init.c
initcode.S		initcode.S
ioapic.c		ioapic.c
kalloc.c		kalloc.c
kbd.c		kbd.c
kbd.h		kbd.h
kernel.ld		kernel.ld
kill.c		kill.c
lapic.c		lapic.c
ln.c		ln.c
log.c		log.c
ls.c		ls.c
main.c		main.c
memide.c		memide.c
memlayout.h		memlayout.h
mkdir.c		mkdir.c
mkfs.c		mkfs.c
mmu.h		mmu.h
mp.c		mp.c
mp.h		mp.h
param.h		param.h
picirq.c		picirq.c
pipe.c		pipe.c
pr.pl		pr.pl
printf.c		printf.c
printpcs		printpcs
proc.c		proc.c
proc.h		proc.h
rm.c		rm.c
runoff		runoff
runoff.list		runoff.list
runoff.spec		runoff.spec
runoff1		runoff1
sh.c		sh.c
show1		show1
sign.pl		sign.pl
sleep1.p		sleep1.p
spinlock.c		spinlock.c
spinlock.h		spinlock.h
spinp		spinp
stat.h		stat.h
stressfs.c		stressfs.c
string.c		string.c
swtch.S		swtch.S
symlink.patch		symlink.patch
syscall.c		syscall.c
syscall.h		syscall.h
sysfile.c		sysfile.c
sysproc.c		sysproc.c
tags		tags
timer.c		timer.c
toc.ftr		toc.ftr
toc.hdr		toc.hdr
trap.c		trap.c
trapasm.S		trapasm.S
traps.h		traps.h
types.h		types.h
uart.c		uart.c
ulib.c		ulib.c
umalloc.c		umalloc.c
user.h		user.h
usertests.c		usertests.c
usys.S		usys.S
vectors.pl		vectors.pl
vm.c		vm.c
wc.c		wc.c

Repository files navigation

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/6.828/2012/v6.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
    Austin Clements

In addition, we are grateful for the patches contributed by Greg
Price, Yandong Mao, and Hitoshi Mitake.

The code in the files that constitute xv6 is
Copyright 2006-2012 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/6.828/2012/tools.html.
Then run "make TOOLPREFIX=i386-jos-elf-".

To run xv6, you can use the Bochs or QEMU PC simulators. Bochs makes
debugging easier, but QEMU is much faster. To run in Bochs, run "make
bochs" and then type "c" at the bochs prompt. 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/.