SConscript revision 4486 
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
31Import('*')
32
33#################################################################
34#
35# Generate StaticInst execute() method signatures.
36#
37# There must be one signature for each CPU model compiled in.
38# Since the set of compiled-in models is flexible, we generate a
39# header containing the appropriate set of signatures on the fly.
40#
41#################################################################
42
43# CPU model-specific data is contained in cpu_models.py
44# Convert to SCons File node to get path handling
45models_db = File('cpu_models.py')
46# slurp in contents of file
47execfile(models_db.srcnode().abspath)
48
49# Template for execute() signature.
50exec_sig_template = '''
51virtual Fault execute(%s *xc, Trace::InstRecord *traceData) const = 0;
52virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const
53{ panic("initiateAcc not defined!"); M5_DUMMY_RETURN };
54virtual Fault completeAcc(Packet *pkt, %s *xc,
55                          Trace::InstRecord *traceData) const
56{ panic("completeAcc not defined!"); M5_DUMMY_RETURN };
57'''
58
59mem_ini_sig_template = '''
60virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); M5_DUMMY_RETURN };
61'''
62
63mem_comp_sig_template = '''
64virtual Fault completeAcc(uint8_t *data, %s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); return NoFault; M5_DUMMY_RETURN };
65'''
66
67# Generate a temporary CPU list, including the CheckerCPU if
68# it's enabled.  This isn't used for anything else other than StaticInst
69# headers.
70temp_cpu_list = env['CPU_MODELS'][:]
71
72if env['USE_CHECKER']:
73    temp_cpu_list.append('CheckerCPU')
74
75# Generate header.  
76def gen_cpu_exec_signatures(target, source, env):
77    f = open(str(target[0]), 'w')
78    print >> f, '''
79#ifndef __CPU_STATIC_INST_EXEC_SIGS_HH__
80#define __CPU_STATIC_INST_EXEC_SIGS_HH__
81'''
82    for cpu in temp_cpu_list:
83        xc_type = CpuModel.dict[cpu].strings['CPU_exec_context']
84        print >> f, exec_sig_template % (xc_type, xc_type, xc_type)
85    print >> f, '''
86#endif  // __CPU_STATIC_INST_EXEC_SIGS_HH__
87'''
88
89# Generate string that gets printed when header is rebuilt
90def gen_sigs_string(target, source, env):
91    return "Generating static_inst_exec_sigs.hh: " \
92           + ', '.join(temp_cpu_list)
93
94# Add command to generate header to environment.
95env.Command('static_inst_exec_sigs.hh', models_db,
96            Action(gen_cpu_exec_signatures, gen_sigs_string,
97                   varlist = temp_cpu_list))
98
99env.Depends('static_inst_exec_sigs.hh', Value(env['USE_CHECKER']))
100env.Depends('static_inst_exec_sigs.hh', Value(env['CPU_MODELS']))
101
102# List of suppported CPUs by the Checker.  Errors out if USE_CHECKER=True
103# and one of these are not being used.
104CheckerSupportedCPUList = ['O3CPU', 'OzoneCPU']
105
106SimObject('BaseCPU.py')
107SimObject('FuncUnit.py')
108
109Source('activity.cc')
110Source('base.cc')
111Source('cpuevent.cc')
112Source('exetrace.cc')
113Source('func_unit.cc')
114Source('op_class.cc')
115Source('pc_event.cc')
116Source('quiesce_event.cc')
117Source('static_inst.cc')
118Source('simple_thread.cc')
119Source('thread_state.cc')
120
121if env['FULL_SYSTEM']:
122    SimObject('IntrControl.py')
123
124    Source('intr_control.cc')
125    Source('profile.cc')
126
127if env['USE_CHECKER']:
128    Source('checker/cpu.cc')
129    checker_supports = False
130    for i in CheckerSupportedCPUList:
131        if i in env['CPU_MODELS']:
132            checker_supports = True
133    if not checker_supports:
134        print "Checker only supports CPU models",
135        for i in CheckerSupportedCPUList:
136            print i,
137        print ", please set USE_CHECKER=False or use one of those CPU models"
138        Exit(1)
139