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authorNathan Binkert <binkertn@umich.edu>2006-06-17 18:14:16 -0400
committerNathan Binkert <binkertn@umich.edu>2006-06-17 18:14:16 -0400
commit78ea17ea30bbc67ffafcb0e23462b0968ebe188e (patch)
tree936fed6af970c668241ea32cc30eeedf765567a2
parentcd6da4569e9c6ed86357cfcf4eed53535c713e02 (diff)
downloadgem5-78ea17ea30bbc67ffafcb0e23462b0968ebe188e.tar.xz
Make the system paths more configurable
configs/test/SysPaths.py: Make the paths more configurable --HG-- extra : convert_revision : c426b102dfe55e4b601a23e980e1b01140e0ee93
-rw-r--r--configs/test/SysPaths.py60
1 files changed, 35 insertions, 25 deletions
diff --git a/configs/test/SysPaths.py b/configs/test/SysPaths.py
index c7c7db4e7..9acfedc8b 100644
--- a/configs/test/SysPaths.py
+++ b/configs/test/SysPaths.py
@@ -1,32 +1,42 @@
-from m5 import *
-
-import os.path
-import sys
-
-# Edit the following list to include the possible paths to the binary
-# and disk image directories. The first directory on the list that
-# exists will be selected.
-SYSTEMDIR_PATH = ['/n/poolfs/z/dist/m5/system']
-
-SYSTEMDIR = None
-for d in SYSTEMDIR_PATH:
- if os.path.exists(d):
- SYSTEMDIR = d
- break
-
-if not SYSTEMDIR:
- print >>sys.stderr, "Can't find a path to system files."
- sys.exit(1)
-
-BINDIR = SYSTEMDIR + '/binaries'
-DISKDIR = SYSTEMDIR + '/disks'
+import os, sys
+from os.path import isdir, join as joinpath
+from os import environ as env
+
+systemdir = None
+bindir = None
+diskdir = None
+scriptdir = None
+
+def load_defaults():
+ global systemdir, bindir, diskdir, scriptdir
+ if not systemdir:
+ try:
+ path = env['M5_PATH'].split(':')
+ except KeyError:
+ path = [ '/dist/m5/system' ]
+
+ for systemdir in path:
+ if os.path.isdir(systemdir):
+ break
+ else:
+ raise ImportError, "Can't find a path to system files."
+
+ if not bindir:
+ bindir = joinpath(systemdir, 'binaries')
+ if not diskdir:
+ diskdir = joinpath(systemdir, 'disks')
+ if not scriptdir:
+ scriptdir = joinpath(systemdir, 'boot')
def disk(file):
- return os.path.join(DISKDIR, file)
+ load_defaults()
+ return joinpath(diskdir, file)
def binary(file):
- return os.path.join(BINDIR, file)
+ load_defaults()
+ return joinpath(bindir, file)
def script(file):
- return os.path.join(SYSTEMDIR, 'boot', file)
+ load_defaults()
+ return joinpath(scriptdir, file)