72 lines
2.6 KiB
Python
72 lines
2.6 KiB
Python
# Copyright (c) 2006 The Regents of The University of Michigan
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are
|
|
# met: redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer;
|
|
# redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution;
|
|
# neither the name of the copyright holders nor the names of its
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
#
|
|
# Authors: Ali Saidi
|
|
|
|
import os, sys
|
|
from os.path import isdir, join as joinpath
|
|
from os import environ as env
|
|
|
|
config_path = os.path.dirname(os.path.abspath(__file__))
|
|
config_root = os.path.dirname(config_path)
|
|
|
|
def disk(file):
|
|
system()
|
|
return joinpath(disk.dir, file)
|
|
|
|
def binary(file):
|
|
system()
|
|
return joinpath(binary.dir, file)
|
|
|
|
def script(file):
|
|
system()
|
|
return joinpath(script.dir, file)
|
|
|
|
def system():
|
|
if not system.dir:
|
|
try:
|
|
path = env['M5_PATH'].split(':')
|
|
except KeyError:
|
|
path = [ '/dist/m5/system', '/n/poolfs/z/dist/m5/system' ]
|
|
|
|
for system.dir in path:
|
|
if os.path.isdir(system.dir):
|
|
break
|
|
else:
|
|
raise ImportError, "Can't find a path to system files."
|
|
|
|
if not binary.dir:
|
|
binary.dir = joinpath(system.dir, 'binaries')
|
|
if not disk.dir:
|
|
disk.dir = joinpath(system.dir, 'disks')
|
|
if not script.dir:
|
|
script.dir = joinpath(config_root, 'boot')
|
|
|
|
system.dir = None
|
|
binary.dir = None
|
|
disk.dir = None
|
|
script.dir = None
|