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Diffstat (limited to 'src/cpu/SConscript')
-rw-r--r-- | src/cpu/SConscript | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/cpu/SConscript b/src/cpu/SConscript new file mode 100644 index 000000000..2bb9a2399 --- /dev/null +++ b/src/cpu/SConscript @@ -0,0 +1,212 @@ +# -*- 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. +# +# Authors: Steve Reinhardt + +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!"); }; +''' + +mem_ini_sig_template = ''' +virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); }; +''' + +mem_comp_sig_template = ''' +virtual Fault completeAcc(uint8_t *data, %s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); return NoFault; }; +''' + +# Generate a temporary CPU list, including the CheckerCPU if +# it's enabled. This isn't used for anything else other than StaticInst +# headers. +temp_cpu_list = env['CPU_MODELS'][:] + +if env['USE_CHECKER']: + temp_cpu_list.append('CheckerCPU') + +# 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 temp_cpu_list: + 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(temp_cpu_list) + +# 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 = temp_cpu_list)) + +env.Depends('static_inst_exec_sigs.hh', Value(env['USE_CHECKER'])) +env.Depends('static_inst_exec_sigs.hh', Value(env['CPU_MODELS'])) + +# List of suppported CPUs by the Checker. Errors out if USE_CHECKER=True +# and one of these are not being used. +CheckerSupportedCPUList = ['O3CPU', 'OzoneCPU'] + +################################################################# +# +# Include CPU-model-specific files based on set of models +# specified in CPU_MODELS build option. +# +################################################################# + +# Keep a list of CPU models that support SMT +env['SMT_CPU_MODELS'] = [] + +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') + +need_bp_unit = False +if 'O3CPU' in env['CPU_MODELS']: + need_bp_unit = True + sources += SConscript('o3/SConscript', exports = 'env') + sources += Split(''' + o3/base_dyn_inst.cc + o3/bpred_unit.cc + o3/commit.cc + o3/decode.cc + o3/fetch.cc + o3/free_list.cc + o3/fu_pool.cc + o3/cpu.cc + o3/iew.cc + o3/inst_queue.cc + o3/lsq_unit.cc + o3/lsq.cc + o3/mem_dep_unit.cc + o3/rename.cc + o3/rename_map.cc + o3/rob.cc + o3/scoreboard.cc + o3/store_set.cc + ''') + if env['USE_CHECKER']: + sources += Split('o3/checker_builder.cc') + else: + env['SMT_CPU_MODELS'].append('O3CPU') # Checker doesn't support SMT right now + +if 'OzoneCPU' in env['CPU_MODELS']: + need_bp_unit = True + sources += Split(''' + ozone/base_dyn_inst.cc + ozone/bpred_unit.cc + ozone/cpu.cc + ozone/cpu_builder.cc + ozone/dyn_inst.cc + ozone/front_end.cc + ozone/lw_back_end.cc + ozone/lw_lsq.cc + ozone/rename_table.cc + ''') + if env['USE_CHECKER']: + sources += Split('ozone/checker_builder.cc') + +if need_bp_unit: + sources += Split(''' + o3/2bit_local_pred.cc + o3/btb.cc + o3/ras.cc + o3/tournament_pred.cc + ''') + +if env['USE_CHECKER']: + sources += Split('checker/cpu.cc') + checker_supports = False + for i in CheckerSupportedCPUList: + if i in env['CPU_MODELS']: + checker_supports = True + if not checker_supports: + print "Checker only supports CPU models", + for i in CheckerSupportedCPUList: + print i, + print ", please set USE_CHECKER=False or use one of those CPU models" + Exit(1) + + +# FullCPU sources are included from src/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') + |