SConscript revision 2669 
1# -*- mode:python -*-
2
3# Copyright (c) 2006 The Regents of The University of Michigan
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright
9# notice, this list of conditions and the following disclaimer;
10# redistributions in binary form must reproduce the above copyright
11# notice, this list of conditions and the following disclaimer in the
12# documentation and/or other materials provided with the distribution;
13# neither the name of the copyright holders nor the names of its
14# contributors may be used to endorse or promote products derived from
15# this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29import os
30import os.path
31
32# Import build environment variable from SConstruct.
33Import('env')
34
35#################################################################
36#
37# Generate StaticInst execute() method signatures.
38#
39# There must be one signature for each CPU model compiled in.
40# Since the set of compiled-in models is flexible, we generate a
41# header containing the appropriate set of signatures on the fly.
42#
43#################################################################
44
45# CPU model-specific data is contained in cpu_models.py
46# Convert to SCons File node to get path handling
47models_db = File('cpu_models.py')
48# slurp in contents of file
49execfile(models_db.srcnode().abspath)
50
51# Template for execute() signature.
52exec_sig_template = '''
53virtual Fault execute(%s *xc, Trace::InstRecord *traceData) const = 0;
54virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const
55{ panic("initiateAcc not defined!"); };
56virtual Fault completeAcc(Packet *pkt, %s *xc,
57                          Trace::InstRecord *traceData) const
58{ panic("completeAcc not defined!"); };
59'''
60
61mem_ini_sig_template = '''
62virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); };
63'''
64
65mem_comp_sig_template = '''
66virtual Fault completeAcc(uint8_t *data, %s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); return NoFault; };
67'''
68
69# Generate header.  
70def gen_cpu_exec_signatures(target, source, env):
71    f = open(str(target[0]), 'w')
72    print >> f, '''
73#ifndef __CPU_STATIC_INST_EXEC_SIGS_HH__
74#define __CPU_STATIC_INST_EXEC_SIGS_HH__
75'''
76    for cpu in env['CPU_MODELS']:
77        xc_type = CpuModel.dict[cpu].strings['CPU_exec_context']
78        print >> f, exec_sig_template % (xc_type, xc_type, xc_type)
79    print >> f, '''
80#endif  // __CPU_STATIC_INST_EXEC_SIGS_HH__
81'''
82
83# Generate string that gets printed when header is rebuilt
84def gen_sigs_string(target, source, env):
85    return "Generating static_inst_exec_sigs.hh: " \
86           + ', '.join(env['CPU_MODELS'])
87
88# Add command to generate header to environment.
89env.Command('static_inst_exec_sigs.hh', models_db,
90            Action(gen_cpu_exec_signatures, gen_sigs_string,
91                   varlist = ['CPU_MODELS']))
92
93#################################################################
94#
95# Include CPU-model-specific files based on set of models
96# specified in CPU_MODELS build option.
97#
98#################################################################
99
100sources = []
101
102need_simple_base = False
103if 'AtomicSimpleCPU' in env['CPU_MODELS']:
104    need_simple_base = True
105    sources += Split('simple/atomic.cc')
106
107if 'TimingSimpleCPU' in env['CPU_MODELS']:
108    need_simple_base = True
109    sources += Split('simple/timing.cc')
110
111if need_simple_base:
112    sources += Split('simple/base.cc')
113
114if 'FastCPU' in env['CPU_MODELS']:
115    sources += Split('fast/cpu.cc')
116
117if 'AlphaFullCPU' in env['CPU_MODELS']:
118    sources += Split('''
119        base_dyn_inst.cc
120        o3/2bit_local_pred.cc
121        o3/alpha_dyn_inst.cc
122        o3/alpha_cpu.cc
123        o3/alpha_cpu_builder.cc
124        o3/bpred_unit.cc
125        o3/btb.cc
126        o3/commit.cc
127        o3/decode.cc
128        o3/fetch.cc
129        o3/free_list.cc
130        o3/fu_pool.cc
131        o3/cpu.cc
132        o3/iew.cc
133        o3/inst_queue.cc
134        o3/lsq_unit.cc
135        o3/lsq.cc
136        o3/mem_dep_unit.cc
137        o3/ras.cc
138        o3/rename.cc
139        o3/rename_map.cc
140        o3/rob.cc
141        o3/scoreboard.cc
142        o3/store_set.cc
143        o3/tournament_pred.cc
144        ''')
145
146if 'OzoneSimpleCPU' in env['CPU_MODELS']:
147    sources += Split('''
148        ozone/cpu.cc
149        ozone/cpu_builder.cc
150        ozone/dyn_inst.cc
151        ozone/front_end.cc
152        ozone/inorder_back_end.cc
153        ozone/inst_queue.cc
154        ozone/rename_table.cc
155        ''')
156
157if 'OzoneCPU' in env['CPU_MODELS']:
158    sources += Split('''
159        ozone/lsq_unit.cc
160        ozone/lw_back_end.cc
161        ozone/lw_lsq.cc
162        ''')
163
164if 'CheckerCPU' in env['CPU_MODELS']:
165    sources += Split('''
166        checker/cpu.cc
167        checker/o3_cpu_builder.cc
168        ''')
169
170# FullCPU sources are included from m5/SConscript since they're not
171# below this point in the file hierarchy.
172
173# Convert file names to SCons File objects.  This takes care of the
174# path relative to the top of the directory tree.
175sources = [File(s) for s in sources]
176
177Return('sources')
178
179