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2006-09-06 18:38:56 +00:00
.cvsignore
asm.h
bio.c
bootasm.S
bootmain.c no /* */ comments 2006-09-06 17:50:20 +00:00
bootother.S
buf.h
cat.c
console.c no /* */ comments 2006-09-06 17:50:20 +00:00
defs.h struct fd -> struct file 2006-09-06 18:38:56 +00:00
dev.h
dot-bochsrc
echo.c
elf.h more tabs go away 2006-09-06 17:53:15 +00:00
fcntl.h
fd.c struct fd -> struct file 2006-09-06 18:38:56 +00:00
fd.h struct fd -> struct file 2006-09-06 18:38:56 +00:00
fs.c break single-line if statements 2006-09-06 17:57:47 +00:00
fs.h
fstests.c
fsvar.h
ide.c more named constants 2006-09-06 17:54:29 +00:00
init.c no /* */ comments 2006-09-06 17:50:20 +00:00
ioapic.c
ioapic.h no /* */ comments 2006-09-06 17:50:20 +00:00
kalloc.c writeable => writable 2006-09-06 18:06:04 +00:00
lapic.c more tabs go away 2006-09-06 17:53:15 +00:00
lgrind.sty
lgrindef
ls.c
main.c
Makefile rm rm 2006-09-06 18:18:43 +00:00
mkdir.c
mkfs.c
mmu.h no /* */ comments 2006-09-06 17:50:20 +00:00
mp.c break single-line if statements 2006-09-06 17:57:47 +00:00
mp.h no /* */ comments 2006-09-06 17:50:20 +00:00
Notes
param.h struct fd -> struct file 2006-09-06 18:38:56 +00:00
picirq.c no /* */ comments 2006-09-06 17:50:20 +00:00
pipe.c struct fd -> struct file 2006-09-06 18:38:56 +00:00
printf.c no /* */ comments 2006-09-06 17:50:20 +00:00
proc.c struct fd -> struct file 2006-09-06 18:38:56 +00:00
proc.h struct fd -> struct file 2006-09-06 18:38:56 +00:00
README
rm.c
runoff
runoff.list
setjmp.S
sh.c what is NULL? 2006-09-06 18:21:54 +00:00
sign.pl
spinlock.c
spinlock.h
stat.h
string.c
syscall.c split syscall.c into sysfile.c and sysproc.c 2006-09-06 18:19:11 +00:00
syscall.h struct fd -> struct file 2006-09-06 18:38:56 +00:00
sysfile.c struct fd -> struct file 2006-09-06 18:38:56 +00:00
sysproc.c split syscall.c into sysfile.c and sysproc.c 2006-09-06 18:19:11 +00:00
trap.c no /* */ comments 2006-09-06 17:50:20 +00:00
trapasm.S
traps.h no /* */ comments 2006-09-06 17:50:20 +00:00
types.h
ulib.c break single-line if statements 2006-09-06 17:57:47 +00:00
umalloc.c
user.h
user1.c
userfs.c
usertests.c
usys.S
vectors.pl no /* */ comments 2006-09-06 17:50:20 +00:00
x86.h no /* */ comments 2006-09-06 17:50:20 +00:00

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.

xv6 is inspired by John Lions' 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/6.828/2006/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 (bootother.S, mp.h, mp.c, ioapic.h, lapic.c)
    FreeBSD (ioapic.c)
    NetBSD (console.c)

The following people made contributions:
    Russ Cox (context switching, locking)
    Cliff Frey (MP)
    Xiao Yu (MP)

If you spot errors or have suggestions for improvement, please send
email to Frans Kaashoek and Robert Morris
({kaashoek,rtm}@csail.mit.edu).  This version is the very first one,
so don't be surprised if there are errors or the code is unclear.