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2011-08-17 20:23:36 -04:00
web web: rev5 2011-02-19 21:21:49 -05:00
.cvsignore
.gdbinit.tmpl
.gitignore Russ's fix for panic remap 2011-04-28 08:01:36 -04:00
asm.h add some comments 2010-08-05 21:16:55 -04:00
bio.c a few nits 2010-07-23 12:52:50 -04:00
bootasm.S One definition of several macros and constants 2011-08-08 13:30:08 -04:00
bootmain.c Make elf proghdr fields match what objdump prints 2011-08-17 20:23:36 -04:00
buf.h
BUGS
cat.c
console.c Map kernel high 2011-07-29 07:31:27 -04:00
cuth
data.S Russ's fix for panic remap 2011-04-28 08:01:36 -04:00
defs.h Clean up memlayout.h 2011-08-16 15:47:22 -04:00
dot-bochsrc
echo.c
elf.h Make elf proghdr fields match what objdump prints 2011-08-17 20:23:36 -04:00
entry.S Avoid "boot" in xv6 2011-08-15 20:11:13 -04:00
entryother.S Avoid "boot" in xv6 2011-08-15 20:11:13 -04:00
exec.c Make elf proghdr fields match what objdump prints 2011-08-17 20:23:36 -04:00
fcntl.h
file.c avoid deadlock by calling begin_trans() before locking any inodes 2011-08-15 12:44:20 -04:00
file.h
forktest.c Initial version of single-cpu xv6 with page tables 2010-07-02 14:51:53 -04:00
fs.c avoid deadlock by calling begin_trans() before locking any inodes 2011-08-15 12:44:20 -04:00
fs.h Dirt simple logging 2011-07-27 20:35:46 -04:00
gdbutil
grep.c
ide.c Map kernel high 2011-07-29 07:31:27 -04:00
init.c
initcode.S Dirt simple logging 2011-07-27 20:35:46 -04:00
ioapic.c
kalloc.c Switch back to #define for PHYSTOP. Using the E820 to retrieve the memory map is too complicated (must be done in 16-bit real-mode, probably enlarged bootblock beyond 512 bytes, and a #define requires less explanation). 2011-08-16 20:23:17 -04:00
kbd.c
kbd.h
kernel.ld oops 2011-08-07 12:30:34 -04:00
kill.c
lapic.c Clean up memlayout.h 2011-08-16 15:47:22 -04:00
LICENSE
ln.c
log.c Only commit log to disk if something was written in to it. 2011-08-15 14:12:35 -04:00
ls.c
LucidaSans-Typewriter83
main.c Avoid "boot" in xv6 2011-08-15 20:11:13 -04:00
Makefile Update make clean 2011-08-15 20:32:04 -04:00
memide.c missing file memide.c 2011-01-11 13:54:23 -05:00
memlayout.h Switch back to #define for PHYSTOP. Using the E820 to retrieve the memory map is too complicated (must be done in 16-bit real-mode, probably enlarged bootblock beyond 512 bytes, and a #define requires less explanation). 2011-08-16 20:23:17 -04:00
mkdir.c
mkfs.c Dirt simple logging 2011-07-27 20:35:46 -04:00
mmu.h Clean up memlayout.h 2011-08-16 15:47:22 -04:00
mp.c Avoid "boot" in xv6 2011-08-15 20:11:13 -04:00
mp.h
Notes
param.h log write() data 2011-08-12 09:25:39 -04:00
picirq.c Get rid of the blank page in picirq.c. It misaligs things now. 2010-09-02 18:36:06 -04:00
pipe.c make new code like old code 2011-01-11 13:01:13 -05:00
pr.pl
printf.c
proc.c Use static page table for boot, mapping first 4Mbyte; no more segment trick 2011-08-09 21:37:35 -04:00
proc.h Avoid "boot" in xv6 2011-08-15 20:11:13 -04:00
README Make Austin happier 2011-08-15 20:21:14 -04:00
rm.c
runoff Remove unused nop_pause function. 2010-09-02 14:08:45 -04:00
runoff.list Update list of files to include in printout 2011-08-15 20:28:28 -04:00
runoff.spec xv6: formatting, cleanup, rev5 (take 2) 2011-02-19 21:17:55 -05:00
runoff1 xv6: formatting, cleanup, rev5 (take 2) 2011-02-19 21:17:55 -05:00
sh.c move jkstack to main.c 2010-08-05 14:15:03 -04:00
show1
sign.pl
sleep1.p
spinlock.c Map kernel high 2011-07-29 07:31:27 -04:00
spinlock.h
spinp
stat.h
stressfs.c make new code like old code 2011-01-11 13:01:13 -05:00
string.c
swtch.S move jkstack to main.c 2010-08-05 14:15:03 -04:00
symlink.patch
syscall.c log write() data 2011-08-12 09:25:39 -04:00
syscall.h Dirt simple logging 2011-07-27 20:35:46 -04:00
sysfile.c avoid deadlock by calling begin_trans() before locking any inodes 2011-08-15 12:44:20 -04:00
sysproc.c Avoid "boot" in xv6 2011-08-15 20:11:13 -04:00
timer.c
toc.ftr xv6: formatting, cleanup, rev5 (take 2) 2011-02-19 21:17:55 -05:00
toc.hdr
trap.c Map kernel high 2011-07-29 07:31:27 -04:00
trapasm.S One definition of several macros and constants 2011-08-08 13:30:08 -04:00
traps.h kill TLB shoot down code 2010-07-28 14:38:05 -04:00
TRICKS
types.h some cleanup 2010-07-25 20:30:21 -04:00
uart.c
ulib.c make new code like old code 2011-01-11 13:01:13 -05:00
umalloc.c make new code like old code 2011-01-11 13:01:13 -05:00
user.h make new code like old code 2011-01-11 13:01:13 -05:00
usertests.c avoid deadlock by calling begin_trans() before locking any inodes 2011-08-15 12:44:20 -04:00
usys.S uptime() sys call for benchmarking 2010-08-11 14:34:45 -04:00
vectors.pl
vm.c Switch back to #define for PHYSTOP. Using the E820 to retrieve the memory map is too complicated (must be done in 16-bit real-mode, probably enlarged bootblock beyond 512 bytes, and a #define requires less explanation). 2011-08-16 20:23:17 -04:00
wc.c
x86.h Map kernel high 2011-07-29 07:31:27 -04:00
xv6-rev0.tar.gz
xv6-rev1.tar.gz
xv6-rev2.tar.gz
xv6-rev3.tar.gz
xv6-rev4.tar.gz Rev 4 2010-09-03 15:47:28 -04:00
xv6-rev5.pdf xv6: formatting, cleanup, rev5 2011-02-19 21:16:54 -05:00
xv6-rev5.tar.gz rebuild xv6-rev5.tar.gz 2011-02-28 09:32:54 -05:00
zombie.c

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/6.828/2007/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, lapic.c)
    FreeBSD (ioapic.c)
    NetBSD (console.c)

The following people 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 2006-2011 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,rtm@csail.mit.edu). 

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/6.828/2007/tools.html.
Then run "make TOOLPREFIX=i386-jos-elf-".

To run xv6, you can use Bochs or QEMU, both 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/.