1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
# Copyright 2018 Google, Inc.
#
# 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: Gabe Black
from m5.SimObject import SimObject
# This class represents the systemc kernel. There should be exactly one in the
# simulation. It receives gem5 SimObject lifecycle callbacks (init, regStats,
# etc.) and manages the lifecycle of the systemc simulation accordingly.
# It also acts as a collecting point for systemc related control functionality.
class SystemC_Kernel(SimObject):
type = 'SystemC_Kernel'
cxx_class = 'sc_gem5::Kernel'
cxx_header = 'systemc/core/kernel.hh'
# The sc_time type won't exist until some setup code runs in gem5.
try:
from _m5.systemc import sc_time
except:
pass
class ScMainResult(object):
def __init__(self, code, message):
self.code = code
self.message = message
def sc_main(self, *args):
'''Call the systemc sc_main function with the given string args'''
from _m5.systemc import sc_main
sc_main(*args)
def sc_main_result(self):
'''Retrieve and return the results of running sc_main'''
from _m5.systemc import sc_main_result_code, sc_main_result_str
return SystemC_Kernel.ScMainResult(
sc_main_result_code(), sc_main_result_str());
def tlm_global_quantum_instance(self):
'''Retrieve the global tlm quantum instance'''
from _m5.systemc import tlm_global_quantum
return tlm_global_quantum.instance()
# This class represents systemc sc_object instances in python config files. It
# inherits from SimObject in python, but the c++ version, sc_core::sc_object,
# doesn't inherit from gem5's c++ SimObject class.
class SystemC_ScObject(SimObject):
type = 'SystemC_ScObject'
abstract = True
cxx_class = 'sc_core::sc_object'
cxx_header = 'systemc/ext/core/sc_object.hh'
# Clear cxx_base to stop the c++ binding code from assuming
# sc_core::sc_object inherits from SimObject, even though SystemC_ScObject
# does on the python side.
cxx_base = None
# Hide the cxx_exports from SimObject since we don't inherit from
# SimObject on the c++ side and so don't have those methods to call down
# into.
locals().update({
method.name: (lambda *a, **k: None) for method in SimObject.cxx_exports
})
class SystemC_ScModule(SystemC_ScObject):
type = 'SystemC_ScModule'
abstract = True
cxx_class = 'sc_core::sc_module'
cxx_header = 'systemc/ext/core/sc_module.hh'
try:
import _m5
except:
pass
else:
import _m5.systemc
_m5.systemc.python_ready()
|
