copyright: Add code for finding all copyright blocks and create a COP…

…YING file

The end of the COPYING file was generated with:
% python ./util/find_copyrights.py configs src system tests util

Update -C command line option to spit out COPYING file

COPYING

@@ -0,0 +1,47 @@
+Please see individual files for details of the license on each file.
+The preferred license can be found in LICENSE.
+
+All files in this distribution (other than in the ext directory) have
+licenses based on the BSD or MIT licenses.  Some files in the ext
+directory are GNU LGPL.  No other licenses are found in this
+distribution.
+
+Beyond the BSD license, some files include the following clarification
+of the license as required by the copyright holder:
+
+    The license below extends only to copyright in the software and
+    shall not be construed as granting a license to any other
+    intellectual property including but not limited to intellectual
+    property relating to a hardware implementation of the
+    functionality of the software licensed hereunder.  You may use the
+    software subject to the license terms below provided that you
+    ensure that this notice is replicated unmodified and in its
+    entirety in all distributions of the software, modified or
+    unmodified, in source code or in binary form.
+
+The copyright holders include (not counting the ext directory):
+
+Copyright (c) 2000-2011 The Regents of The University of Michigan
+Copyright (c) 1990,1993-1995,2007-2010 The Hewlett-Packard Development Company
+Copyright (c) 1999-2009,2011 Mark D. Hill and David A. Wood
+Copyright (c) 2009-2011 ARM Limited
+Copyright (c) 2008-2009 Princeton University
+Copyright (c) 2007 MIPS Technologies, Inc.
+Copyright (c) 2009-2011 Advanced Micro Devices, Inc.
+Copyright (c) 2009 The University of Edinburgh
+Copyright (c) 2007-2008 The Florida State University
+Copyright (c) 2010 Massachusetts Institute of Technology
+Copyright (c) 1990-1993 The Regents of the University of California
+Copyright (c) 2006-2009 Nathan Binkert
+Copyright (c) 2001 The NetBSD Foundation, Inc.
+Copyright (c) 2010-2011 Gabe Black
+Copyright (c) 1994 Adam Glass
+Copyright (c) 1990-1992 MIPS Computer Systems, Inc.
+Copyright (c) 2004 Richard J. Wagner
+Copyright (c) 2000 Computer Engineering and Communication Networks Lab
+Copyright (c) 2001 Eric Jackson
+Copyright (c) 1990 Hewlett-Packard Development Company
+Copyright (c) 1994-1996 Carnegie-Mellon University.
+Copyright (c) 1993-1994 Christopher G. Demetriou
+Copyright (c) 1997-2002 Makoto Matsumoto and Takuji Nishimura
+Copyright (c) 1998,2001 Manuel Bouyer.

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2000-2011 The Regents of The University of Michigan
+Copyright (c) <date> <copyright holder>
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

src/SConscript

@@ -516,7 +516,7 @@ def makeInfoPyFile(target, source, env):
 
 # Generate a file that wraps the basic top level files
 env.Command('python/m5/info.py',
-            [ '#/AUTHORS', '#/LICENSE', '#/README', ],
+            [ '#/COPYING', '#/LICENSE', '#/README', ],
             MakeAction(makeInfoPyFile, Transform("INFO")))
 PySource('m5', 'python/m5/info.py')
 

src/python/m5/main.py

@@ -36,11 +36,8 @@
 
 usage="%prog [gem5 options] script.py [script options]"
 version="%prog 2.0"
-brief_copyright='''
-Copyright (c) 2001-2011
-The Regents of The University of Michigan
-All Rights Reserved
-'''
+brief_copyright=\
+    "gem5 is copyrighted software; use the --copyright option for details."
 
 def parse_options():
     import config
@@ -52,8 +49,6 @@ def parse_options():
     group = options.set_group
 
     # Help options
-    option('-A', "--authors", action="store_true", default=False,
-        help="Show author information")
     option('-B', "--build-info", action="store_true", default=False,
         help="Show build information")
     option('-C', "--copyright", action="store_true", default=False,
@@ -211,14 +206,7 @@ def check_tracing():
 
     if options.copyright:
         done = True
-        print info.LICENSE
-        print
-
-    if options.authors:
-        done = True
-        print 'Author information:'
-        print
-        print info.AUTHORS
+        print info.COPYING
         print
 
     if options.readme:
@@ -263,7 +251,7 @@ def check_tracing():
 
     verbose = options.verbose - options.quiet
     if options.verbose >= 0:
-        print "gem5 Simulator System"
+        print "gem5 Simulator System.  http://gem5.org"
         print brief_copyright
         print