SCons: Support building without an ISA
[gem5.git] / src / cpu / SConscript
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 #
29 # Authors: Steve Reinhardt
30
31 Import('*')
32
33 if env['TARGET_ISA'] == 'no':
34 Return()
35
36 #################################################################
37 #
38 # Generate StaticInst execute() method signatures.
39 #
40 # There must be one signature for each CPU model compiled in.
41 # Since the set of compiled-in models is flexible, we generate a
42 # header containing the appropriate set of signatures on the fly.
43 #
44 #################################################################
45
46 # Template for execute() signature.
47 exec_sig_template = '''
48 virtual Fault execute(%(type)s *xc, Trace::InstRecord *traceData) const = 0;
49 virtual Fault eaComp(%(type)s *xc, Trace::InstRecord *traceData) const
50 { panic("eaComp not defined!"); M5_DUMMY_RETURN };
51 virtual Fault initiateAcc(%(type)s *xc, Trace::InstRecord *traceData) const
52 { panic("initiateAcc not defined!"); M5_DUMMY_RETURN };
53 virtual Fault completeAcc(Packet *pkt, %(type)s *xc,
54 Trace::InstRecord *traceData) const
55 { panic("completeAcc not defined!"); M5_DUMMY_RETURN };
56 '''
57
58 mem_ini_sig_template = '''
59 virtual Fault eaComp(%(type)s *xc, Trace::InstRecord *traceData) const
60 { panic("eaComp not defined!"); M5_DUMMY_RETURN };
61 virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); M5_DUMMY_RETURN };
62 '''
63
64 mem_comp_sig_template = '''
65 virtual Fault completeAcc(uint8_t *data, %s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); return NoFault; M5_DUMMY_RETURN };
66 '''
67
68 # Generate a temporary CPU list, including the CheckerCPU if
69 # it's enabled. This isn't used for anything else other than StaticInst
70 # headers.
71 temp_cpu_list = env['CPU_MODELS'][:]
72
73 if env['USE_CHECKER']:
74 temp_cpu_list.append('CheckerCPU')
75 SimObject('CheckerCPU.py')
76
77 # Generate header.
78 def gen_cpu_exec_signatures(target, source, env):
79 f = open(str(target[0]), 'w')
80 print >> f, '''
81 #ifndef __CPU_STATIC_INST_EXEC_SIGS_HH__
82 #define __CPU_STATIC_INST_EXEC_SIGS_HH__
83 '''
84 for cpu in temp_cpu_list:
85 xc_type = CpuModel.dict[cpu].strings['CPU_exec_context']
86 print >> f, exec_sig_template % { 'type' : xc_type }
87 print >> f, '''
88 #endif // __CPU_STATIC_INST_EXEC_SIGS_HH__
89 '''
90
91 # Generate string that gets printed when header is rebuilt
92 def gen_sigs_string(target, source, env):
93 return " [GENERATE] static_inst_exec_sigs.hh: " \
94 + ', '.join(temp_cpu_list)
95
96 # Add command to generate header to environment.
97 env.Command('static_inst_exec_sigs.hh', (),
98 Action(gen_cpu_exec_signatures, gen_sigs_string,
99 varlist = temp_cpu_list))
100
101 env.Depends('static_inst_exec_sigs.hh', Value(env['USE_CHECKER']))
102 env.Depends('static_inst_exec_sigs.hh', Value(env['CPU_MODELS']))
103
104 # List of suppported CPUs by the Checker. Errors out if USE_CHECKER=True
105 # and one of these are not being used.
106 CheckerSupportedCPUList = ['O3CPU', 'OzoneCPU']
107
108 SimObject('BaseCPU.py')
109 SimObject('FuncUnit.py')
110 SimObject('ExeTracer.py')
111 SimObject('IntelTrace.py')
112 SimObject('NativeTrace.py')
113
114 Source('activity.cc')
115 Source('base.cc')
116 Source('cpuevent.cc')
117 Source('exetrace.cc')
118 Source('func_unit.cc')
119 Source('inteltrace.cc')
120 Source('nativetrace.cc')
121 Source('pc_event.cc')
122 Source('quiesce_event.cc')
123 Source('static_inst.cc')
124 Source('simple_thread.cc')
125 Source('thread_context.cc')
126 Source('thread_state.cc')
127
128 if env['FULL_SYSTEM']:
129 SimObject('IntrControl.py')
130
131 Source('intr_control.cc')
132 Source('profile.cc')
133
134 if env['TARGET_ISA'] == 'sparc':
135 SimObject('LegionTrace.py')
136 Source('legiontrace.cc')
137
138 if env['USE_CHECKER']:
139 Source('checker/cpu.cc')
140 TraceFlag('Checker')
141 checker_supports = False
142 for i in CheckerSupportedCPUList:
143 if i in env['CPU_MODELS']:
144 checker_supports = True
145 if not checker_supports:
146 print "Checker only supports CPU models",
147 for i in CheckerSupportedCPUList:
148 print i,
149 print ", please set USE_CHECKER=False or use one of those CPU models"
150 Exit(1)
151
152 TraceFlag('Activity')
153 TraceFlag('Commit')
154 TraceFlag('Context')
155 TraceFlag('Decode')
156 TraceFlag('DynInst')
157 TraceFlag('ExecEnable')
158 TraceFlag('ExecCPSeq')
159 TraceFlag('ExecEffAddr')
160 TraceFlag('ExecFaulting', 'Trace faulting instructions')
161 TraceFlag('ExecFetchSeq')
162 TraceFlag('ExecOpClass')
163 TraceFlag('ExecRegDelta')
164 TraceFlag('ExecResult')
165 TraceFlag('ExecSpeculative')
166 TraceFlag('ExecSymbol')
167 TraceFlag('ExecThread')
168 TraceFlag('ExecTicks')
169 TraceFlag('ExecMicro')
170 TraceFlag('ExecMacro')
171 TraceFlag('Fetch')
172 TraceFlag('IntrControl')
173 TraceFlag('PCEvent')
174 TraceFlag('Quiesce')
175
176 CompoundFlag('Exec', [ 'ExecEnable', 'ExecTicks', 'ExecOpClass', 'ExecThread',
177 'ExecEffAddr', 'ExecResult', 'ExecSymbol', 'ExecMicro', 'ExecFaulting' ])
178 CompoundFlag('ExecNoTicks', [ 'ExecEnable', 'ExecOpClass', 'ExecThread',
179 'ExecEffAddr', 'ExecResult', 'ExecMicro', 'ExecFaulting' ])