Bricoles/xv6-riscv

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rsc d90113b638 tweak		2006-09-06 16:36:54 +00:00
.cvsignore	New formatting scripts.	2006-09-05 15:50:55 +00:00
asm.h
bio.c
bootasm.S
bootmain.c
bootother.S
buf.h
cat.c	some pipe support in sh	2006-09-06 15:32:21 +00:00
console.c	don't send keyboard interrupts to the second cpu, if we have only one cpu.	2006-09-03 17:34:09 +00:00
defs.h
dev.h
dot-bochsrc
echo.c
elf.h
fcntl.h
fd.c
fd.h
fs.c
fs.h
fstests.c
fsvar.h
ide.c
init.c
ioapic.c	nits	2006-09-03 18:32:58 +00:00
ioapic.h
kalloc.c	nits	2006-09-04 11:52:36 +00:00
lapic.c	a few nits	2006-09-04 12:41:27 +00:00
lgrind.sty
lgrindef
ls.c
main.c
Makefile	nits	2006-09-06 01:25:41 +00:00
mkdir.c
mkfs.c
mmu.h
mp.c
mp.h
Notes	don't send keyboard interrupts to the second cpu, if we have only one cpu.	2006-09-03 17:34:09 +00:00
param.h
picirq.c	a few nits	2006-09-04 12:41:27 +00:00
pipe.c
printf.c
proc.c	clear np->mem after freeing	2006-09-06 16:35:21 +00:00
proc.h
README	nits	2006-09-04 11:52:36 +00:00
rm.c
runoff	New formatting scripts.	2006-09-05 15:50:55 +00:00
runoff.list	tweak	2006-09-06 16:36:54 +00:00
setjmp.S
sh.c	some pipe support in sh	2006-09-06 15:32:21 +00:00
sign.pl
spinlock.c
spinlock.h
stat.h
string.c
syscall.c
syscall.h
trap.c	a few nits	2006-09-04 12:41:27 +00:00
trapasm.S
traps.h
types.h
ulib.c
umalloc.c
user.h	nits	2006-09-06 01:25:41 +00:00
user1.c
userfs.c	nits	2006-09-03 18:32:58 +00:00
usertests.c
usys.S
vectors.pl
x86.h

README

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.