summaryrefslogtreecommitdiff
path: root/src/cpu/SConscript
blob: 34fb6df783b77e5b12b6783dc72b152a0e9a09e3 (plain)
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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
# -*- mode:python -*-

# Copyright (c) 2006 The Regents of The University of Michigan
# All rights reserved.
#
# 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.

import os
import os.path

# Import build environment variable from SConstruct.
Import('env')

#################################################################
#
# Generate StaticInst execute() method signatures.
#
# There must be one signature for each CPU model compiled in.
# Since the set of compiled-in models is flexible, we generate a
# header containing the appropriate set of signatures on the fly.
#
#################################################################

# CPU model-specific data is contained in cpu_models.py
# Convert to SCons File node to get path handling
models_db = File('cpu_models.py')
# slurp in contents of file
execfile(models_db.srcnode().abspath)

# Template for execute() signature.
exec_sig_template = '''
virtual Fault execute(%s *xc, Trace::InstRecord *traceData) const = 0;
virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const
{ panic("initiateAcc not defined!"); };
virtual Fault completeAcc(Packet *pkt, %s *xc,
                          Trace::InstRecord *traceData) const
{ panic("completeAcc not defined!"); };
'''

# Generate header.  
def gen_cpu_exec_signatures(target, source, env):
    f = open(str(target[0]), 'w')
    print >> f, '''
#ifndef __CPU_STATIC_INST_EXEC_SIGS_HH__
#define __CPU_STATIC_INST_EXEC_SIGS_HH__
'''
    for cpu in env['CPU_MODELS']:
        xc_type = CpuModel.dict[cpu].strings['CPU_exec_context']
        print >> f, exec_sig_template % (xc_type, xc_type, xc_type)
    print >> f, '''
#endif  // __CPU_STATIC_INST_EXEC_SIGS_HH__
'''

# Generate string that gets printed when header is rebuilt
def gen_sigs_string(target, source, env):
    return "Generating static_inst_exec_sigs.hh: " \
           + ', '.join(env['CPU_MODELS'])

# Add command to generate header to environment.
env.Command('static_inst_exec_sigs.hh', models_db,
            Action(gen_cpu_exec_signatures, gen_sigs_string,
                   varlist = ['CPU_MODELS']))

#################################################################
#
# Include CPU-model-specific files based on set of models
# specified in CPU_MODELS build option.
#
#################################################################

sources = []

need_simple_base = False
if 'AtomicSimpleCPU' in env['CPU_MODELS']:
    need_simple_base = True
    sources += Split('simple/atomic.cc')

if 'TimingSimpleCPU' in env['CPU_MODELS']:
    need_simple_base = True
    sources += Split('simple/timing.cc')

if need_simple_base:
    sources += Split('simple/base.cc')

if 'FastCPU' in env['CPU_MODELS']:
    sources += Split('fast/cpu.cc')

if 'AlphaFullCPU' in env['CPU_MODELS']:
    sources += Split('''
        o3/2bit_local_pred.cc
        o3/alpha_dyn_inst.cc
        o3/alpha_cpu.cc
        o3/alpha_cpu_builder.cc
        o3/bpred_unit.cc
        o3/btb.cc
        o3/commit.cc
        o3/decode.cc
        o3/fetch.cc
        o3/free_list.cc
        o3/cpu.cc
        o3/iew.cc
        o3/inst_queue.cc
        o3/ldstq.cc
        o3/mem_dep_unit.cc
        o3/ras.cc
        o3/rename.cc
        o3/rename_map.cc
        o3/rob.cc
        o3/sat_counter.cc
        o3/store_set.cc
        o3/tournament_pred.cc
        ''')

# FullCPU sources are included from m5/SConscript since they're not
# below this point in the file hierarchy.

# Convert file names to SCons File objects.  This takes care of the
# path relative to the top of the directory tree.
sources = [File(s) for s in sources]

Return('sources')