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authorSteve Reinhardt <stever@eecs.umich.edu>2006-05-30 13:11:34 -0400
committerSteve Reinhardt <stever@eecs.umich.edu>2006-05-30 13:11:34 -0400
commit0337db3388db335ea23f02f3aa00bca9d483ef1c (patch)
tree8293d1d4e9520acabde7e37bd0a065467147ba87
parentd308055afc1ace1f321b76e8a85a9a45165da2ce (diff)
downloadgem5-0337db3388db335ea23f02f3aa00bca9d483ef1c.tar.xz
Link in Python interpreter.
Use embedded zip archive to carry Python code instead of homegrown embedded string/file mechanism. Do argument parsing in Python instead of C++. SConstruct: Add Python interpreter include path & library. Define two new simple builders which copy & concatenate files, respectively, for use by the Python embedded zipfile code. src/SConscript: Encapsulate environment creation in a function. Add code to append Python zip archive to final executable. Eliminate references to obsolete files. src/python/SConscript: Rewrite to generate embedded zip archive of Python code (replacing old "embedded string" mechanism). src/python/m5/__init__.py: Move main arg-parsing loop here (out of C++ main()). src/python/m5/config.py: Minor fix (version incompatibility?). src/sim/main.cc: Invoke embedded Python interpreter to parse args and generate config.ini, replacing C++ arg parsing code. --HG-- extra : convert_revision : 72d21236b2bee139ff39ba4cf031a4a1f8560029
-rw-r--r--SConstruct34
-rw-r--r--src/SConscript69
-rw-r--r--src/python/SConscript226
-rw-r--r--src/python/m5/__init__.py108
-rw-r--r--src/python/m5/config.py2
-rw-r--r--src/sim/main.cc198
6 files changed, 261 insertions, 376 deletions
diff --git a/SConstruct b/SConstruct
index cbbcb07a6..2e4f48180 100644
--- a/SConstruct
+++ b/SConstruct
@@ -169,7 +169,13 @@ if sys.platform == 'cygwin':
env.Append(CCFLAGS=Split("-Wno-uninitialized"))
env.Append(CPPPATH=[Dir('ext/dnet')])
-# Default libraries
+# Environment args for linking in Python interpreter.
+# Should really have an option for setting the version instead of
+# having 2.4 hardwired in here...
+env.Append(CPPPATH='/usr/include/python2.4')
+env.Append(LIBS='python2.4')
+
+# Other default libraries
env.Append(LIBS=['z'])
# Platform-specific configuration. Note again that we assume that all
@@ -310,6 +316,32 @@ config_builder = Builder(emitter = config_emitter, action = config_action)
env.Append(BUILDERS = { 'ConfigFile' : config_builder })
+###################################################
+#
+# Define a SCons builder for copying files. This is used by the
+# Python zipfile code in src/python/SConscript, but is placed up here
+# since it's potentially more generally applicable.
+#
+###################################################
+
+copy_builder = Builder(action = Copy("$TARGET", "$SOURCE"))
+
+env.Append(BUILDERS = { 'CopyFile' : copy_builder })
+
+###################################################
+#
+# Define a simple SCons builder to concatenate files.
+#
+# Used to append the Python zip archive to the executable.
+#
+###################################################
+
+concat_builder = Builder(action = Action(['cat $SOURCES > $TARGET',
+ 'chmod +x $TARGET']))
+
+env.Append(BUILDERS = { 'Concat' : concat_builder })
+
+
# base help text
help_text = '''
Usage: scons [scons options] [build options] [target(s)]
diff --git a/src/SConscript b/src/SConscript
index 43bd5d102..097acfe13 100644
--- a/src/SConscript
+++ b/src/SConscript
@@ -46,9 +46,7 @@ Import('env')
base_sources = Split('''
base/circlebuf.cc
- base/copyright.cc
base/cprintf.cc
- base/embedfile.cc
base/fast_alloc.cc
base/fifo_buffer.cc
base/hostinfo.cc
@@ -99,9 +97,6 @@ base_sources = Split('''
mem/port.cc
mem/request.cc
- python/pyconfig.cc
- python/embedded_py.cc
-
sim/builder.cc
sim/configfile.cc
sim/debug.cc
@@ -356,43 +351,45 @@ def make_objs(sources, env):
# files.
env.Append(CPPPATH='.')
+# List of constructed environments to pass back to SConstruct
+envList = []
+
+# Function to create a new build environment as clone of current
+# environment 'env' with modified object suffix and optional stripped
+# binary. Additional keyword arguments are appended to corresponding
+# build environment vars.
+def makeEnv(label, objsfx, strip = False, **kwargs):
+ newEnv = env.Copy(OBJSUFFIX=objsfx)
+ newEnv.Label = label
+ newEnv.Append(**kwargs)
+ exe = 'm5.' + label # final executable
+ bin = exe + '.bin' # executable w/o appended Python zip archive
+ newEnv.Program(bin, make_objs(sources, newEnv))
+ if strip:
+ stripped_bin = bin + '.stripped'
+ newEnv.Command(stripped_bin, bin, 'strip $SOURCE -o $TARGET')
+ bin = stripped_bin
+ targets = newEnv.Concat(exe, [bin, 'python/m5py.zip'])
+ newEnv.M5Binary = targets[0]
+ envList.append(newEnv)
+
# Debug binary
-debugEnv = env.Copy(OBJSUFFIX='.do')
-debugEnv.Label = 'debug'
-debugEnv.Append(CCFLAGS=Split('-g3 -gdwarf-2 -O0'))
-debugEnv.Append(CPPDEFINES='DEBUG')
-tlist = debugEnv.Program(target = 'm5.debug',
- source = make_objs(sources, debugEnv))
-debugEnv.M5Binary = tlist[0]
+makeEnv('debug', '.do',
+ CCFLAGS = Split('-g3 -gdwarf-2 -O0'),
+ CPPDEFINES = 'DEBUG')
# Optimized binary
-optEnv = env.Copy()
-optEnv.Label = 'opt'
-optEnv.Append(CCFLAGS=Split('-g -O3'))
-tlist = optEnv.Program(target = 'm5.opt',
- source = make_objs(sources, optEnv))
-optEnv.M5Binary = tlist[0]
+makeEnv('opt', '.o',
+ CCFLAGS = Split('-g -O3'))
# "Fast" binary
-fastEnv = env.Copy(OBJSUFFIX='.fo')
-fastEnv.Label = 'fast'
-fastEnv.Append(CCFLAGS=Split('-O3'))
-fastEnv.Append(CPPDEFINES='NDEBUG')
-fastEnv.Program(target = 'm5.fast.unstripped',
- source = make_objs(sources, fastEnv))
-tlist = fastEnv.Command(target = 'm5.fast',
- source = 'm5.fast.unstripped',
- action = 'strip $SOURCE -o $TARGET')
-fastEnv.M5Binary = tlist[0]
+makeEnv('fast', '.fo', strip = True,
+ CCFLAGS = Split('-O3'),
+ CPPDEFINES = 'NDEBUG')
# Profiled binary
-profEnv = env.Copy(OBJSUFFIX='.po')
-profEnv.Label = 'prof'
-profEnv.Append(CCFLAGS=Split('-O3 -g -pg'), LINKFLAGS='-pg')
-tlist = profEnv.Program(target = 'm5.prof',
- source = make_objs(sources, profEnv))
-profEnv.M5Binary = tlist[0]
-
-envList = [debugEnv, optEnv, fastEnv, profEnv]
+makeEnv('prof', '.po',
+ CCFLAGS = Split('-O3 -g -pg'),
+ LINKFLAGS = '-pg')
Return('envList')
diff --git a/src/python/SConscript b/src/python/SConscript
index 4407e403d..1f2d7fe0e 100644
--- a/src/python/SConscript
+++ b/src/python/SConscript
@@ -27,126 +27,55 @@
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import os, os.path, re, sys
+from zipfile import PyZipFile
-Import('env')
+# handy function for path joins
+def join(*args):
+ return os.path.normpath(os.path.join(*args))
-import scons_helper
-
-def WriteEmbeddedPyFile(target, source, path, name, ext, filename):
- if isinstance(source, str):
- source = file(source, 'r')
-
- if isinstance(target, str):
- target = file(target, 'w')
-
- print >>target, "AddModule(%s, %s, %s, %s, '''\\" % \
- (`path`, `name`, `ext`, `filename`)
-
- for line in source:
- line = line
- # escape existing backslashes
- line = line.replace('\\', '\\\\')
- # escape existing triple quotes
- line = line.replace("'''", r"\'\'\'")
-
- print >>target, line,
-
- print >>target, "''')"
- print >>target
-
-def WriteCFile(target, source, name):
- if isinstance(source, str):
- source = file(source, 'r')
-
- if isinstance(target, str):
- target = file(target, 'w')
-
- print >>target, 'const char %s_string[] = {' % name
-
- count = 0
- from array import array
- try:
- while True:
- foo = array('B')
- foo.fromfile(source, 10000)
- l = [ str(i) for i in foo.tolist() ]
- count += len(l)
- for i in xrange(0,9999,20):
- print >>target, ','.join(l[i:i+20]) + ','
- except EOFError:
- l = [ str(i) for i in foo.tolist() ]
- count += len(l)
- for i in xrange(0,len(l),20):
- print >>target, ','.join(l[i:i+20]) + ','
- print >>target, ','.join(l[i:]) + ','
-
- print >>target, '};'
- print >>target, 'const int %s_length = %d;' % (name, count)
- print >>target
-
-def splitpath(path):
- dir,file = os.path.split(path)
- path = []
- assert(file)
- while dir:
- dir,base = os.path.split(dir)
- path.insert(0, base)
- return path, file
-
-def MakeEmbeddedPyFile(target, source, env):
- target = file(str(target[0]), 'w')
-
- tree = {}
- for src in source:
- src = str(src)
- path,pyfile = splitpath(src)
- node = tree
- for dir in path:
- if not node.has_key(dir):
- node[dir] = { }
- node = node[dir]
-
- name,ext = pyfile.split('.')
- if name == '__init__':
- node['.hasinit'] = True
- node[pyfile] = (src,name,ext,src)
-
- done = False
- while not done:
- done = True
- for name,entry in tree.items():
- if not isinstance(entry, dict): continue
- if entry.has_key('.hasinit'): continue
-
- done = False
- del tree[name]
- for key,val in entry.iteritems():
- if tree.has_key(key):
- raise NameError, \
- "dir already has %s can't add it again" % key
- tree[key] = val
-
- files = []
- def populate(node, path = []):
- names = node.keys()
- names.sort()
- for name in names:
- if name == '.hasinit':
- continue
-
- entry = node[name]
- if isinstance(entry, dict):
- if not entry.has_key('.hasinit'):
- raise NameError, 'package directory missing __init__.py'
- populate(entry, path + [ name ])
- else:
- pyfile,name,ext,filename = entry
- files.append((pyfile, path, name, ext, filename))
- populate(tree)
-
- for pyfile, path, name, ext, filename in files:
- WriteEmbeddedPyFile(target, pyfile, path, name, ext, filename)
+Import('env')
+# This SConscript is in charge of collecting .py files and generating a zip archive that is appended to the m5 binary.
+
+# Copy .py source files here (relative to src/python in the build
+# directory).
+pyzip_root = 'zip'
+
+# List of files & directories to include in the zip file. To include
+# a package, list only the root directory of the package, not any
+# internal .py files (else they will get the path stripped off when
+# they are imported into the zip file).
+pyzip_files = []
+
+# List of additional files on which the zip archive depends, but which
+# are not included in pyzip_files... i.e. individual .py files within
+# a package.
+pyzip_dep_files = []
+
+# Add the specified package to the zip archive. Adds the directory to
+# pyzip_files and all included .py files to pyzip_dep_files.
+def addPkg(pkgdir):
+ pyzip_files.append(join(pyzip_root, pkgdir))
+ origdir = os.getcwd()
+ srcdir = join(Dir('.').srcnode().abspath, pkgdir)
+ os.chdir(srcdir)
+ for path, dirs, files in os.walk('.'):
+ for i,dir in enumerate(dirs):
+ if dir == 'SCCS':
+ del dirs[i]
+ break
+
+ for f in files:
+ if f.endswith('.py'):
+ source = join(pkgdir, path, f)
+ target = join(pyzip_root, source)
+ pyzip_dep_files.append(target)
+ env.CopyFile(target, source)
+
+ os.chdir(origdir)
+
+# Generate Python file that contains a dict specifying the current
+# build_env flags.
def MakeDefinesPyFile(target, source, env):
f = file(str(target[0]), 'w')
print >>f, "import __main__"
@@ -154,54 +83,21 @@ def MakeDefinesPyFile(target, source, env):
print >>f, source[0]
f.close()
-CFileCounter = 0
-def MakePythonCFile(target, source, env):
- global CFileCounter
- target = file(str(target[0]), 'w')
-
- print >>target, '''\
-#include "base/embedfile.hh"
-
-namespace {
-'''
- for src in source:
- src = str(src)
- fname = os.path.basename(src)
- name = 'embedded_file%d' % CFileCounter
- CFileCounter += 1
- WriteCFile(target, src, name)
- print >>target, '''\
-EmbedMap %(name)s("%(fname)s",
- %(name)s_string, %(name)s_length);
-
-''' % locals()
- print >>target, '''\
-
-/* namespace */ }
-'''
-
-# base list of .py files to embed
-embedded_py_files = [ os.path.join(env['ROOT'], 'util/pbs/jobfile.py') ]
-# add all .py files in python/m5
-objpath = os.path.join(env['SRCDIR'], 'python', 'm5')
-for root, dirs, files in os.walk(objpath, topdown=True):
- for i,dir in enumerate(dirs):
- if dir == 'SCCS':
- del dirs[i]
- break
-
- assert(root.startswith(objpath))
- for f in files:
- if f.endswith('.py'):
- embedded_py_files.append(os.path.join(root, f))
-
-embedfile_hh = os.path.join(env['SRCDIR'], 'base/embedfile.hh')
-
optionDict = dict([(opt, env[opt]) for opt in env.ExportOptions])
env.Command('defines.py', Value(optionDict), MakeDefinesPyFile)
-env.Command('embedded_py.py', embedded_py_files, MakeEmbeddedPyFile)
-env.Depends('embedded_py.cc', embedfile_hh)
-env.Command('embedded_py.cc',
- ['string_importer.py', 'defines.py', 'embedded_py.py'],
- MakePythonCFile)
+# Now specify the packages & files for the zip archive.
+addPkg('m5')
+pyzip_files.append('defines.py')
+pyzip_files.append(join(env['ROOT'], 'util/pbs/jobfile.py'))
+
+# Action function to build the zip archive. Uses the PyZipFile module
+# included in the standard Python library.
+def buildPyZip(target, source, env):
+ pzf = PyZipFile(str(target[0]), 'w')
+ for s in source:
+ pzf.writepy(str(s))
+
+# Add the zip file target to the environment.
+env.Command('m5py.zip', pyzip_files, buildPyZip)
+env.Depends('m5py.zip', pyzip_dep_files)
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.'
+
diff --git a/src/python/m5/config.py b/src/python/m5/config.py
index 1e25e0d09..ce7e5a964 100644
--- a/src/python/m5/config.py
+++ b/src/python/m5/config.py
@@ -794,7 +794,7 @@ class ParamFactory(object):
# E.g., Param.Int(5, "number of widgets")
def __call__(self, *args, **kwargs):
- caller_frame = inspect.stack()[1][0]
+ caller_frame = inspect.currentframe().f_back
ptype = None
try:
ptype = eval(self.ptype_str,
diff --git a/src/sim/main.cc b/src/sim/main.cc
index aecc171ed..a4e8a1f77 100644
--- a/src/sim/main.cc
+++ b/src/sim/main.cc
@@ -29,6 +29,8 @@
///
/// @file sim/main.cc
///
+#include <Python.h> // must be before system headers... see Python docs
+
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
@@ -40,8 +42,6 @@
#include <string>
#include <vector>
-#include "base/copyright.hh"
-#include "base/embedfile.hh"
#include "base/inifile.hh"
#include "base/misc.hh"
#include "base/output.hh"
@@ -51,7 +51,6 @@
#include "base/time.hh"
#include "cpu/base.hh"
#include "cpu/smt.hh"
-#include "python/pyconfig.hh"
#include "sim/async.hh"
#include "sim/builder.hh"
#include "sim/configfile.hh"
@@ -111,50 +110,6 @@ abortHandler(int sigtype)
/// Simulator executable name
char *myProgName = "";
-/// Show brief help message.
-void
-showBriefHelp(ostream &out)
-{
- char *prog = basename(myProgName);
-
- ccprintf(out, "Usage:\n");
- ccprintf(out,
-"%s [-d <dir>] [-E <var>[=<val>]] [-I <dir>] [-P <python>]\n"
-" [--<var>=<val>] <config file>\n"
-"\n"
-" -d set the output directory to <dir>\n"
-" -E set the environment variable <var> to <val> (or 'True')\n"
-" -I add the directory <dir> to python's path\n"
-" -P execute <python> directly in the configuration\n"
-" --var=val set the python variable <var> to '<val>'\n"
-" <configfile> config file name (ends in .py)\n\n",
- prog);
-
- ccprintf(out, "%s -X\n -X extract embedded files\n\n", prog);
- ccprintf(out, "%s -h\n -h print short help\n\n", prog);
-}
-
-/// Print welcome message.
-void
-sayHello(ostream &out)
-{
- extern const char *compileDate; // from date.cc
-
- ccprintf(out, "M5 Simulator System\n");
- // display copyright
- ccprintf(out, "%s\n", briefCopyright);
- ccprintf(out, "M5 compiled on %d\n", compileDate);
-
- char *host = getenv("HOSTNAME");
- if (!host)
- host = getenv("HOST");
-
- if (host)
- ccprintf(out, "M5 executing on %s\n", host);
-
- ccprintf(out, "M5 simulation started %s\n", Time::start);
-}
-
///
/// Echo the command line for posterity in such a way that it can be
/// used to rerun the same simulation (given the same .ini files).
@@ -191,19 +146,7 @@ echoCommandLine(int argc, char **argv, ostream &out)
out << endl << endl;
}
-char *
-getOptionString(int &index, int argc, char **argv)
-{
- char *option = argv[index] + 2;
- if (*option != '\0')
- return option;
-
- // We didn't find an argument, it must be in the next variable.
- if (++index >= argc)
- panic("option string for option '%s' not found", argv[index - 1]);
-
- return argv[index];
-}
+#include "config/python_build_env.hh"
int
main(int argc, char **argv)
@@ -218,121 +161,37 @@ main(int argc, char **argv)
signal(SIGINT, exitNowHandler); // dump final stats and exit
signal(SIGABRT, abortHandler);
- bool configfile_found = false;
- PythonConfig pyconfig;
- string outdir;
-
- if (argc < 2) {
- showBriefHelp(cerr);
- exit(1);
- }
-
- sayHello(cerr);
-
- // Parse command-line options.
- // Since most of the complex options are handled through the
- // config database, we don't mess with getopts, and just parse
- // manually.
- for (int i = 1; i < argc; ++i) {
- char *arg_str = argv[i];
-
- // if arg starts with '--', parse as a special python option
- // of the format --<python var>=<string value>, if the arg
- // starts with '-', it should be a simulator option with a
- // format similar to getopt. In any other case, treat the
- // option as a configuration file name and load it.
- if (arg_str[0] == '-' && arg_str[1] == '-') {
- string str = &arg_str[2];
- string var, val;
-
- if (!split_first(str, var, val, '='))
- panic("Could not parse configuration argument '%s'\n"
- "Expecting --<variable>=<value>\n", arg_str);
-
- pyconfig.setVariable(var, val);
- } else if (arg_str[0] == '-') {
- char *option;
- string var, val;
-
- // switch on second char
- switch (arg_str[1]) {
- case 'd':
- outdir = getOptionString(i, argc, argv);
- break;
-
- case 'h':
- showBriefHelp(cerr);
- exit(1);
-
- case 'E':
- option = getOptionString(i, argc, argv);
- if (!split_first(option, var, val, '='))
- val = "True";
-
- if (setenv(var.c_str(), val.c_str(), true) == -1)
- panic("setenv: %s\n", strerror(errno));
- break;
-
- case 'I':
- option = getOptionString(i, argc, argv);
- pyconfig.addPath(option);
- break;
-
- case 'P':
- option = getOptionString(i, argc, argv);
- pyconfig.writeLine(option);
- break;
-
- case 'X': {
- list<EmbedFile> lst;
- EmbedMap::all(lst);
- list<EmbedFile>::iterator i = lst.begin();
- list<EmbedFile>::iterator end = lst.end();
-
- while (i != end) {
- cprintf("Embedded File: %s\n", i->name);
- cout.write(i->data, i->length);
- ++i;
- }
-
- return 0;
- }
-
- default:
- showBriefHelp(cerr);
- panic("invalid argument '%s'\n", arg_str);
- }
- } else {
- string file(arg_str);
- string base, ext;
+ // Python embedded interpreter invocation
+ Py_SetProgramName(argv[0]);
+ const char *fileName = Py_GetProgramFullPath();
+ Py_Initialize();
+ PySys_SetArgv(argc, argv);
- if (!split_last(file, base, ext, '.') || ext != "py")
- panic("Config file '%s' must end in '.py'\n", file);
+ // loadSwigModules();
- pyconfig.load(file);
- configfile_found = true;
- }
- }
+ // Set Python module path to include current file to find embedded
+ // zip archive
+ PyRun_SimpleString("import sys");
+ string pathCmd = csprintf("sys.path[1:1] = ['%s']", fileName);
+ PyRun_SimpleString(pathCmd.c_str());
- if (outdir.empty()) {
- char *env = getenv("OUTPUT_DIR");
- outdir = env ? env : ".";
- }
-
- simout.setDirectory(outdir);
+ // Pass compile timestamp string to Python
+ extern const char *compileDate; // from date.cc
+ string setCompileDate = csprintf("compileDate = '%s'", compileDate);
+ PyRun_SimpleString(setCompileDate.c_str());
- char *env = getenv("CONFIG_OUTPUT");
- if (!env)
- env = "config.out";
- configStream = simout.find(env);
+ // PyRun_InteractiveLoop(stdin, "stdin");
+ // m5/__init__.py currently contains main argv parsing loop etc.,
+ // and will write out config.ini file before returning.
+ PyImport_ImportModule("defines");
+ PyImport_ImportModule("m5");
+ Py_Finalize();
- if (!configfile_found)
- panic("no configuration file specified!");
+ configStream = simout.find("config.out");
// The configuration database is now complete; start processing it.
IniFile inifile;
- if (!pyconfig.output(inifile))
- panic("Error processing python code");
+ inifile.load("config.ini");
// Initialize statistics database
Stats::InitSimStats();
@@ -346,11 +205,6 @@ main(int argc, char **argv)
ParamContext::parseAllContexts(inifile);
ParamContext::checkAllContexts();
- // Print hello message to stats file if it's actually a file. If
- // it's not (i.e. it's cout or cerr) then we already did it above.
- if (simout.isFile(*outputStream))
- sayHello(*outputStream);
-
// Echo command line and all parameter settings to stats file as well.
echoCommandLine(argc, argv, *outputStream);
ParamContext::showAllContexts(*configStream);