SysPaths.py revision 2931
112855Sgabeblack@google.com# Copyright (c) 2006 The Regents of The University of Michigan 212855Sgabeblack@google.com# All rights reserved. 312855Sgabeblack@google.com# 412855Sgabeblack@google.com# Redistribution and use in source and binary forms, with or without 512855Sgabeblack@google.com# modification, are permitted provided that the following conditions are 612855Sgabeblack@google.com# met: redistributions of source code must retain the above copyright 712855Sgabeblack@google.com# notice, this list of conditions and the following disclaimer; 812855Sgabeblack@google.com# redistributions in binary form must reproduce the above copyright 912855Sgabeblack@google.com# notice, this list of conditions and the following disclaimer in the 1012855Sgabeblack@google.com# documentation and/or other materials provided with the distribution; 1112855Sgabeblack@google.com# neither the name of the copyright holders nor the names of its 1212855Sgabeblack@google.com# contributors may be used to endorse or promote products derived from 1312855Sgabeblack@google.com# this software without specific prior written permission. 1412855Sgabeblack@google.com# 1512855Sgabeblack@google.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612855Sgabeblack@google.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712855Sgabeblack@google.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812855Sgabeblack@google.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912855Sgabeblack@google.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012855Sgabeblack@google.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112855Sgabeblack@google.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212855Sgabeblack@google.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312855Sgabeblack@google.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412855Sgabeblack@google.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512855Sgabeblack@google.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612855Sgabeblack@google.com# 2712855Sgabeblack@google.com# Authors: Ali Saidi 2812855Sgabeblack@google.com 2912855Sgabeblack@google.comimport os, sys 3012855Sgabeblack@google.comfrom os.path import isdir, join as joinpath 3112855Sgabeblack@google.comfrom os import environ as env 3212855Sgabeblack@google.com 3312855Sgabeblack@google.comdef disk(file): 3412855Sgabeblack@google.com system() 3512855Sgabeblack@google.com return joinpath(disk.dir, file) 3612855Sgabeblack@google.com 3712855Sgabeblack@google.comdef binary(file): 3812855Sgabeblack@google.com system() 3912855Sgabeblack@google.com return joinpath(binary.dir, file) 4012855Sgabeblack@google.com 4112855Sgabeblack@google.comdef script(file): 4212855Sgabeblack@google.com system() 4312855Sgabeblack@google.com return joinpath(script.dir, file) 4412855Sgabeblack@google.com 4512855Sgabeblack@google.comdef system(): 4612855Sgabeblack@google.com if not system.dir: 4712855Sgabeblack@google.com try: 4812855Sgabeblack@google.com path = env['M5_PATH'].split(':') 4912855Sgabeblack@google.com except KeyError: 5012855Sgabeblack@google.com path = [ '/dist/m5/system', '/n/poolfs/z/dist/m5/system' ] 5112855Sgabeblack@google.com 5212855Sgabeblack@google.com for system.dir in path: 5312855Sgabeblack@google.com if os.path.isdir(system.dir): 5412855Sgabeblack@google.com break 5512855Sgabeblack@google.com else: 5612855Sgabeblack@google.com raise ImportError, "Can't find a path to system files." 5712855Sgabeblack@google.com 5812855Sgabeblack@google.com if not binary.dir: 5912855Sgabeblack@google.com binary.dir = joinpath(system.dir, 'binaries') 6012855Sgabeblack@google.com if not disk.dir: 6112855Sgabeblack@google.com disk.dir = joinpath(system.dir, 'disks') 6212855Sgabeblack@google.com if not script.dir: 6312855Sgabeblack@google.com script.dir = joinpath(system.dir, 'boot') 6412855Sgabeblack@google.com 6512855Sgabeblack@google.comsystem.dir = None 6612855Sgabeblack@google.combinary.dir = None 6712855Sgabeblack@google.comdisk.dir = None 6812855Sgabeblack@google.comscript.dir = None 6912855Sgabeblack@google.com