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-rw-r--r--src/python/m5/__init__.py108
1 files changed, 107 insertions, 1 deletions
diff --git a/src/python/m5/__init__.py b/src/python/m5/__init__.py
index 9bb68a090..06875d1f0 100644
--- a/src/python/m5/__init__.py
+++ b/src/python/m5/__init__.py
@@ -24,7 +24,53 @@
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-import sys, os
+import sys, os, time
+
+import __main__
+
+briefCopyright = '''
+Copyright (c) 2001-2006
+The Regents of The University of Michigan
+All Rights Reserved
+'''
+
+fullCopyright = '''
+Copyright (c) 2001-2006
+The Regents of The University of Michigan
+All Rights Reserved
+
+Permission is granted to use, copy, create derivative works and
+redistribute this software and such derivative works for any purpose,
+so long as the copyright notice above, this grant of permission, and
+the disclaimer below appear in all copies made; and so long as the
+name of The University of Michigan is not used in any advertising or
+publicity pertaining to the use or distribution of this software
+without specific, written prior authorization.
+
+THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE
+UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND WITHOUT
+WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER EXPRESS OR
+IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF
+THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE FOR ANY DAMAGES,
+INCLUDING DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION
+WITH THE USE OF THE SOFTWARE, EVEN IF IT HAS BEEN OR IS HEREAFTER
+ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+'''
+
+def sayHello(f):
+ print >> f, "M5 Simulator System"
+ print >> f, briefCopyright
+ print >> f, "M5 compiled on", __main__.compileDate
+ hostname = os.environ.get('HOSTNAME')
+ if not hostname:
+ hostname = os.environ.get('HOST')
+ if hostname:
+ print >> f, "M5 executing on", hostname
+ print >> f, "M5 simulation started", time.ctime()
+
+sayHello(sys.stderr)
# define this here so we can use it right away if necessary
def panic(string):
@@ -72,3 +118,63 @@ from config import *
# import the built-in object definitions
from objects import *
+
+args_left = sys.argv[1:]
+configfile_found = False
+
+while args_left:
+ arg = args_left.pop(0)
+ if arg.startswith('--'):
+ # if arg starts with '--', parse as a special python option
+ # of the format --<python var>=<string value>
+ try:
+ (var, val) = arg.split('=', 1)
+ except ValueError:
+ panic("Could not parse configuration argument '%s'\n"
+ "Expecting --<variable>=<value>\n" % arg);
+ eval("%s = %s" % (var, repr(val)))
+ elif arg.startswith('-'):
+ # if the arg starts with '-', it should be a simulator option
+ # with a format similar to getopt.
+ optchar = arg[1]
+ if len(arg) > 2:
+ args_left.insert(0, arg[2:])
+ if optchar == 'd':
+ outdir = args_left.pop(0)
+ elif optchar == 'h':
+ showBriefHelp(sys.stderr)
+ sys.exit(1)
+ elif optchar == 'E':
+ env_str = args_left.pop(0)
+ split_result = env_str.split('=', 1)
+ var = split_result[0]
+ if len(split_result == 2):
+ val = split_result[1]
+ else:
+ val = True
+ env[var] = val
+ elif optchar == 'I':
+ AddToPath(args_left.pop(0))
+ elif optchar == 'P':
+ eval(args_left.pop(0))
+ else:
+ showBriefHelp(sys.stderr)
+ panic("invalid argument '%s'\n" % arg_str)
+ else:
+ # In any other case, treat the option as a configuration file
+ # name and load it.
+ if not arg.endswith('.py'):
+ panic("Config file '%s' must end in '.py'\n" % arg)
+ configfile_found = True
+ m5execfile(arg, globals())
+
+
+if not configfile_found:
+ panic("no configuration file specified!")
+
+if globals().has_key('root') and isinstance(root, Root):
+ sys.stdout = file('config.ini', 'w')
+ instantiate(root)
+else:
+ print 'Instantiation skipped: no root object found.'
+