__init__.py

来自「linux下基于c++的处理器仿真平台。具有处理器流水线」· Python 代码 · 共 78 行

# Copyright (c) 2005
# The Regents of The University of Michigan
# All Rights Reserved
#
# This code is part of the M5 simulator, developed by Nathan Binkert,
# Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions
# from Ron Dreslinski, Dave Greene, Lisa Hsu, Kevin Lim, Ali Saidi,
# and Andrew Schultz.
#
# 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.

import sys, os

# define this here so we can use it right away if necessary
def panic(string):
    print >>sys.stderr, 'panic:', string
    sys.exit(1)

def m5execfile(f, global_dict):
    # copy current sys.path
    oldpath = sys.path[:]
    # push file's directory onto front of path
    sys.path.insert(0, os.path.abspath(os.path.dirname(f)))
    execfile(f, global_dict)
    # restore original path
    sys.path = oldpath

# Prepend given directory to system module search path.
def AddToPath(path):
    # if it's a relative path and we know what directory the current
    # python script is in, make the path relative to that directory.
    if not os.path.isabs(path) and sys.path[0]:
        path = os.path.join(sys.path[0], path)
    path = os.path.realpath(path)
    # sys.path[0] should always refer to the current script's directory,
    # so place the new dir right after that.
    sys.path.insert(1, path)

# find the m5 compile options: must be specified as a dict in
# __main__.m5_build_env.
import __main__
if not hasattr(__main__, 'm5_build_env'):
    panic("__main__ must define m5_build_env")

# make a SmartDict out of the build options for our local use
import smartdict
build_env = smartdict.SmartDict()
build_env.update(__main__.m5_build_env)

# make a SmartDict out of the OS environment too
env = smartdict.SmartDict()
env.update(os.environ)

# import the main m5 config code
from config import *

# import the built-in object definitions
from objects import *