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2010-08-31 15:01:26 -04:00
web another rev2 -> rev3 2010-02-06 16:08:06 -05:00
.cvsignore
.gdbinit.tmpl Use the symbol file 2009-09-20 23:08:36 -04:00
.gitignore ignore .gitignore 2009-09-15 17:21:02 -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 add some comments 2010-08-05 21:16:55 -04:00
bootmain.c
bootother.S add some comments 2010-08-05 21:16:55 -04:00
buf.h
BUGS
cat.c
console.c Handle backspace on serial input and output better. Better solutions are welcome. 2009-09-30 22:32:50 -04:00
cuth
defs.h kalloc/kfree now only a page at a time 2010-08-31 12:54:47 -04:00
dot-bochsrc
echo.c
elf.h shuffle and tweak for formatting. 2009-08-08 01:07:30 -07:00
exec.c fix corner cases in exec of ELF 2010-08-06 11:12:18 -04:00
fcntl.h
file.c Initial version of single-cpu xv6 with page tables 2010-07-02 14:51:53 -04:00
file.h shuffle and tweak for formatting. 2009-08-08 01:07:30 -07:00
forktest.c Initial version of single-cpu xv6 with page tables 2010-07-02 14:51:53 -04:00
fs.c Comment typo 2009-10-24 21:31:01 -04:00
fs.h drop NADDRS and INDIRECT; too many names 2009-05-31 00:59:37 +00:00
gdbutil GDB utilities 2009-11-23 17:47:57 -05:00
grep.c
ide.c Initial version of single-cpu xv6 with page tables 2010-07-02 14:51:53 -04:00
init.c group locks into structs they protect. 2009-05-31 05:12:21 +00:00
initcode.S rearrangements and cleanup for text 2009-07-11 19:26:01 -07:00
ioapic.c trap cleanup 2009-07-11 19:24:56 -07:00
kalloc.c kalloc/kfree now only a page at a time 2010-08-31 12:54:47 -04:00
kbd.c
kbd.h
kill.c tab police 2009-05-31 00:39:17 +00:00
lapic.c kill TLB shoot down code 2010-07-28 14:38:05 -04:00
LICENSE
ln.c
ls.c
LucidaSans-Typewriter83
main.c kalloc/kfree now only a page at a time 2010-08-31 12:54:47 -04:00
Makefile Infer TOOLPREFIX, just like in JOS 2010-08-31 15:01:26 -04:00
mkdir.c
mkfs.c drop NADDRS and INDIRECT; too many names 2009-05-31 00:59:37 +00:00
mmu.h kalloc/kfree now only a page at a time 2010-08-31 12:54:47 -04:00
mp.c Initial version of single-cpu xv6 with page tables 2010-07-02 14:51:53 -04:00
mp.h
Notes
param.h kalloc/kfree now only a page at a time 2010-08-31 12:54:47 -04:00
picirq.c shuffle and tweak for formatting. 2009-08-08 01:07:30 -07:00
pipe.c kalloc/kfree now only a page at a time 2010-08-31 12:54:47 -04:00
pr.pl remove //DOC in the right place 2009-07-12 19:07:30 -07:00
printf.c
proc.c kalloc/kfree now only a page at a time 2010-08-31 12:54:47 -04:00
proc.h fix corner cases in exec of ELF 2010-08-06 11:12:18 -04:00
README
rm.c
runoff shuffle and tweak for formatting. 2009-08-08 01:07:30 -07:00
runoff.list oops ended up with 2x vm.c 2010-08-30 11:17:54 -04:00
runoff.spec add vm.c 2010-08-26 07:51:08 -04:00
runoff1 remove //DOC in the right place 2009-07-12 19:07:30 -07:00
sh.c move jkstack to main.c 2010-08-05 14:15:03 -04:00
show1
sign.pl
sleep1.p
spinlock.c nits 2010-07-02 17:45:37 -04:00
spinlock.h assorted fixes: 2009-08-30 23:02:08 -07:00
spinp
stat.h move T_DIR etc into stat.h; move type up 2009-05-31 00:26:10 +00:00
stressfs.c Add the test we used in lecture to creash the IDE system when the 2009-11-23 17:27:26 -05:00
string.c Remove memcpy prototypes at Russ' request to prevent code from calling 2009-10-07 13:06:55 -04:00
swtch.S move jkstack to main.c 2010-08-05 14:15:03 -04:00
symlink.patch
syscall.c uptime() sys call for benchmarking 2010-08-11 14:34:45 -04:00
syscall.h uptime() sys call for benchmarking 2010-08-11 14:34:45 -04:00
sysfile.c Initial version of single-cpu xv6 with page tables 2010-07-02 14:51:53 -04:00
sysproc.c uptime() sys call for benchmarking 2010-08-11 14:34:45 -04:00
timer.c shuffle and tweak for formatting. 2009-08-08 01:07:30 -07:00
toc.ftr assorted fixes: 2009-08-30 23:02:08 -07:00
toc.hdr
trap.c uptime() sys call for benchmarking 2010-08-11 14:34:45 -04:00
trapasm.S initproc, usegment, swtch tweaks 2009-07-11 19:28:29 -07:00
traps.h kill TLB shoot down code 2010-07-28 14:38:05 -04:00
TRICKS more doc tweaks 2009-07-12 18:33:37 -07:00
types.h some cleanup 2010-07-25 20:30:21 -04:00
uart.c shuffle and tweak for formatting. 2009-08-08 01:07:30 -07:00
ulib.c
umalloc.c kalloc/kfree now only a page at a time 2010-08-31 12:54:47 -04:00
user.h set only PG and WP in vminit; the rest don't seem to be needed and are confusing 2010-08-30 06:38:58 -04:00
usertests.c uptime() sys call for benchmarking 2010-08-11 14:34:45 -04:00
usys.S uptime() sys call for benchmarking 2010-08-11 14:34:45 -04:00
vectors.pl sync with c; .text is implied 2009-05-31 01:00:38 +00:00
vm.c kalloc/kfree now only a page at a time 2010-08-31 12:54:47 -04:00
wc.c
x86.h Checkpoint page-table version for SMP 2010-07-23 07:41:13 -04:00
xv6-rev0.tar.gz
xv6-rev1.tar.gz
xv6-rev2.tar.gz
xv6-rev3.tar.gz add .gdbinit.tmpl to dist 2009-09-15 19:15:59 -04:00
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)

The code in the files that constitute xv6 is
Copyright 2006-2007 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".  Both log the xv6 screen output to 
standard output.

To create a typeset version of the code, run "make xv6.pdf".
This requires the "mpage" text formatting utility.
See http://www.mesa.nl/pub/mpage/.