SConscript (13709:dd6b7ac5801f) SConscript (13730:2c34d4c9089b)
1# -*- mode:python -*-
2
3# Copyright (c) 2018 ARM Limited
4#
5# The license below extends only to copyright in the software and shall
6# not be construed as granting a license to any other intellectual
7# property including but not limited to intellectual property relating
8# to a hardware implementation of the functionality of the software

--- 31 unchanged lines hidden (view full) ---

40# Authors: Nathan Binkert
41
42from __future__ import print_function
43
44import array
45import bisect
46import functools
47import imp
1# -*- mode:python -*-
2
3# Copyright (c) 2018 ARM Limited
4#
5# The license below extends only to copyright in the software and shall
6# not be construed as granting a license to any other intellectual
7# property including but not limited to intellectual property relating
8# to a hardware implementation of the functionality of the software

--- 31 unchanged lines hidden (view full) ---

40# Authors: Nathan Binkert
41
42from __future__ import print_function
43
44import array
45import bisect
46import functools
47import imp
48import marshal
49import os
50import re
48import os
49import re
51import subprocess
52import sys
53import zlib
54
55from os.path import basename, dirname, exists, isdir, isfile, join as joinpath
56
57import SCons
58
59from gem5_scons import Transform

--- 1065 unchanged lines hidden (view full) ---

1125
1126# version tags
1127tags = \
1128env.Command('sim/tags.cc', None,
1129 MakeAction('util/cpt_upgrader.py --get-cc-file > $TARGET',
1130 Transform("VER TAGS")))
1131env.AlwaysBuild(tags)
1132
50import sys
51import zlib
52
53from os.path import basename, dirname, exists, isdir, isfile, join as joinpath
54
55import SCons
56
57from gem5_scons import Transform

--- 1065 unchanged lines hidden (view full) ---

1123
1124# version tags
1125tags = \
1126env.Command('sim/tags.cc', None,
1127 MakeAction('util/cpt_upgrader.py --get-cc-file > $TARGET',
1128 Transform("VER TAGS")))
1129env.AlwaysBuild(tags)
1130
1131# Build a small helper that marshals the Python code using the same
1132# version of Python as gem5. This is in an unorthodox location to
1133# avoid building it for every variant.
1134py_marshal = env.Program('python/marshal.cc')[0]
1135
1133# Embed python files. All .py files that have been indicated by a
1134# PySource() call in a SConscript need to be embedded into the M5
1135# library. To do that, we compile the file to byte code, marshal the
1136# byte code, compress it, and then generate a c++ file that
1137# inserts the result into an array.
1138def embedPyFile(target, source, env):
1139 def c_str(string):
1140 if string is None:
1141 return "0"
1142 return '"%s"' % string
1143
1136# Embed python files. All .py files that have been indicated by a
1137# PySource() call in a SConscript need to be embedded into the M5
1138# library. To do that, we compile the file to byte code, marshal the
1139# byte code, compress it, and then generate a c++ file that
1140# inserts the result into an array.
1141def embedPyFile(target, source, env):
1142 def c_str(string):
1143 if string is None:
1144 return "0"
1145 return '"%s"' % string
1146
1144 '''Action function to compile a .py into a code object, marshal
1145 it, compress it, and stick it into an asm file so the code appears
1146 as just bytes with a label in the data section'''
1147 '''Action function to compile a .py into a code object, marshal it,
1148 compress it, and stick it into an asm file so the code appears as
1149 just bytes with a label in the data section. The action takes two
1150 sources:
1147
1151
1148 src = file(str(source[0]), 'r').read()
1152 source[0]: Binary used to marshal Python sources
1153 source[1]: Python script to marshal
1154 '''
1149
1155
1150 pysource = PySource.tnodes[source[0]]
1151 compiled = compile(src, pysource.abspath, 'exec')
1152 marshalled = marshal.dumps(compiled)
1156 import subprocess
1157
1158 marshalled = subprocess.check_output([source[0].abspath, str(source[1])])
1159
1153 compressed = zlib.compress(marshalled)
1154 data = compressed
1160 compressed = zlib.compress(marshalled)
1161 data = compressed
1162 pysource = PySource.tnodes[source[1]]
1155 sym = pysource.symname
1156
1157 code = code_formatter()
1158 code('''\
1159#include "sim/init.hh"
1160
1161namespace {
1162

--- 10 unchanged lines hidden (view full) ---

1173 ${{len(data)}},
1174 ${{len(marshalled)}});
1175
1176} // anonymous namespace
1177''')
1178 code.write(str(target[0]))
1179
1180for source in PySource.all:
1163 sym = pysource.symname
1164
1165 code = code_formatter()
1166 code('''\
1167#include "sim/init.hh"
1168
1169namespace {
1170

--- 10 unchanged lines hidden (view full) ---

1181 ${{len(data)}},
1182 ${{len(marshalled)}});
1183
1184} // anonymous namespace
1185''')
1186 code.write(str(target[0]))
1187
1188for source in PySource.all:
1181 env.Command(source.cpp, source.tnode,
1189 env.Command(source.cpp, [ py_marshal, source.tnode ],
1182 MakeAction(embedPyFile, Transform("EMBED PY")))
1183 Source(source.cpp, tags=source.tags, add_tags='python')
1184
1185########################################################################
1186#
1187# Define binaries. Each different build type (debug, opt, etc.) gets
1188# a slightly different build environment.
1189#

--- 217 unchanged lines hidden --- 		1190 MakeAction(embedPyFile, Transform("EMBED PY")))
1191 Source(source.cpp, tags=source.tags, add_tags='python')
1192
1193########################################################################
1194#
1195# Define binaries. Each different build type (debug, opt, etc.) gets
1196# a slightly different build environment.
1197#

--- 217 unchanged lines hidden ---