2006-09-04 13:52:36 +02:00
|
|
|
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.
|
2006-08-28 20:31:33 +02:00
|
|
|
|
2006-09-04 13:52:36 +02:00
|
|
|
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.
|
2006-08-28 20:31:33 +02:00
|
|
|
|
2006-09-04 13:52:36 +02:00
|
|
|
xv6 borrows code from the following sources:
|
|
|
|
|
JOS (asm.h, elf.h, mmu.h, bootasm.S, ide.c, console.c, and others)
|
2006-09-03 17:10:33 +02:00
|
|
|
Plan 9 (bootother.S, mp.h, mp.c, ioapic.h, lapic.c)
|
|
|
|
|
FreeBSD (ioapic.c)
|
2006-09-04 13:52:36 +02:00
|
|
|
NetBSD (console.c)
|
2006-09-03 17:10:33 +02:00
|
|
|
|
|
|
|
|
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.
|
2006-09-07 21:37:16 +02:00
|
|
|
|
|
|
|
|
The code in the files that constitute xv6 are copyrighted, 2006, Frans
|
|
|
|
|
Kaashoek, Robert Morris, and Russ Cox.
|
