SConscript revision 5192
14825Sgblack@eecs.umich.edu# -*- mode:python -*- 24825Sgblack@eecs.umich.edu 34825Sgblack@eecs.umich.edu# Copyright (c) 2006 The Regents of The University of Michigan 44825Sgblack@eecs.umich.edu# All rights reserved. 54825Sgblack@eecs.umich.edu# 64825Sgblack@eecs.umich.edu# Redistribution and use in source and binary forms, with or without 74825Sgblack@eecs.umich.edu# modification, are permitted provided that the following conditions are 84825Sgblack@eecs.umich.edu# met: redistributions of source code must retain the above copyright 94825Sgblack@eecs.umich.edu# notice, this list of conditions and the following disclaimer; 104825Sgblack@eecs.umich.edu# redistributions in binary form must reproduce the above copyright 114825Sgblack@eecs.umich.edu# notice, this list of conditions and the following disclaimer in the 124825Sgblack@eecs.umich.edu# documentation and/or other materials provided with the distribution; 134825Sgblack@eecs.umich.edu# neither the name of the copyright holders nor the names of its 144825Sgblack@eecs.umich.edu# contributors may be used to endorse or promote products derived from 154825Sgblack@eecs.umich.edu# this software without specific prior written permission. 164825Sgblack@eecs.umich.edu# 174825Sgblack@eecs.umich.edu# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 184825Sgblack@eecs.umich.edu# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 194825Sgblack@eecs.umich.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 204825Sgblack@eecs.umich.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 214825Sgblack@eecs.umich.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 224825Sgblack@eecs.umich.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 234825Sgblack@eecs.umich.edu# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 244825Sgblack@eecs.umich.edu# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 254825Sgblack@eecs.umich.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 264825Sgblack@eecs.umich.edu# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 274825Sgblack@eecs.umich.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 284825Sgblack@eecs.umich.edu# 294825Sgblack@eecs.umich.edu# Authors: Steve Reinhardt 304825Sgblack@eecs.umich.edu 314825Sgblack@eecs.umich.eduimport sys 324825Sgblack@eecs.umich.edu 334825Sgblack@eecs.umich.eduImport('*') 344825Sgblack@eecs.umich.edu 354825Sgblack@eecs.umich.edu################################################################# 364825Sgblack@eecs.umich.edu# 374825Sgblack@eecs.umich.edu# ISA "switch header" generation. 384825Sgblack@eecs.umich.edu# 394825Sgblack@eecs.umich.edu# Auto-generate arch headers that include the right ISA-specific 404825Sgblack@eecs.umich.edu# header based on the setting of THE_ISA preprocessor variable. 414825Sgblack@eecs.umich.edu# 424825Sgblack@eecs.umich.edu################################################################# 434825Sgblack@eecs.umich.edu 444825Sgblack@eecs.umich.edu# List of headers to generate 454825Sgblack@eecs.umich.eduisa_switch_hdrs = Split(''' 464825Sgblack@eecs.umich.edu arguments.hh 474825Sgblack@eecs.umich.edu faults.hh 484825Sgblack@eecs.umich.edu interrupts.hh 494825Sgblack@eecs.umich.edu isa_traits.hh 504825Sgblack@eecs.umich.edu kernel_stats.hh 514825Sgblack@eecs.umich.edu locked_mem.hh 524825Sgblack@eecs.umich.edu mmaped_ipr.hh 534825Sgblack@eecs.umich.edu process.hh 544825Sgblack@eecs.umich.edu predecoder.hh 554825Sgblack@eecs.umich.edu regfile.hh 565162Sgblack@eecs.umich.edu remote_gdb.hh 575162Sgblack@eecs.umich.edu stacktrace.hh 585162Sgblack@eecs.umich.edu syscallreturn.hh 595162Sgblack@eecs.umich.edu tlb.hh 605162Sgblack@eecs.umich.edu types.hh 615162Sgblack@eecs.umich.edu utility.hh 625162Sgblack@eecs.umich.edu vtophys.hh 635162Sgblack@eecs.umich.edu ''') 645162Sgblack@eecs.umich.edu 655162Sgblack@eecs.umich.edu# Set up this directory to support switching headers 665162Sgblack@eecs.umich.edumake_switching_dir('arch', isa_switch_hdrs, env) 675162Sgblack@eecs.umich.edu 684825Sgblack@eecs.umich.edu################################################################# 695162Sgblack@eecs.umich.edu# 705162Sgblack@eecs.umich.edu# Include architecture-specific files. 715162Sgblack@eecs.umich.edu# 725162Sgblack@eecs.umich.edu################################################################# 735162Sgblack@eecs.umich.edu 744825Sgblack@eecs.umich.edu# 754825Sgblack@eecs.umich.edu# Build a SCons scanner for ISA files 765162Sgblack@eecs.umich.edu# 775162Sgblack@eecs.umich.eduimport SCons.Scanner 785162Sgblack@eecs.umich.edu 795162Sgblack@eecs.umich.eduisa_scanner = SCons.Scanner.Classic("ISAScan", 805162Sgblack@eecs.umich.edu [".isa", ".ISA"], 815162Sgblack@eecs.umich.edu "SRCDIR", 825162Sgblack@eecs.umich.edu r'^\s*##include\s+"([\w/.-]*)"') 835162Sgblack@eecs.umich.edu 845162Sgblack@eecs.umich.eduenv.Append(SCANNERS = isa_scanner) 855162Sgblack@eecs.umich.edu 865162Sgblack@eecs.umich.edu# 875162Sgblack@eecs.umich.edu# Now create a Builder object that uses isa_parser.py to generate C++ 885162Sgblack@eecs.umich.edu# output from the ISA description (*.isa) files. 895162Sgblack@eecs.umich.edu# 905162Sgblack@eecs.umich.edu 915162Sgblack@eecs.umich.edu# Convert to File node to fix path 925162Sgblack@eecs.umich.eduisa_parser = File('isa_parser.py') 935162Sgblack@eecs.umich.educpu_models_file = File('../cpu/cpu_models.py') 945162Sgblack@eecs.umich.edu 955162Sgblack@eecs.umich.edu# This sucks in the defintions of the CpuModel objects. 965162Sgblack@eecs.umich.eduexecfile(cpu_models_file.srcnode().abspath) 975162Sgblack@eecs.umich.edu 985162Sgblack@eecs.umich.edu# Several files are generated from the ISA description. 995162Sgblack@eecs.umich.edu# We always get the basic decoder and header file. 1005162Sgblack@eecs.umich.eduisa_desc_gen_files = [ 'decoder.cc', 'decoder.hh' ] 1015162Sgblack@eecs.umich.edu# We also get an execute file for each selected CPU model. 1025162Sgblack@eecs.umich.eduisa_desc_gen_files += [CpuModel.dict[cpu].filename 1035162Sgblack@eecs.umich.edu for cpu in env['CPU_MODELS']] 1045162Sgblack@eecs.umich.edu 1055162Sgblack@eecs.umich.edu# Also include the CheckerCPU as one of the models if it is being 1065162Sgblack@eecs.umich.edu# enabled via command line. 1075162Sgblack@eecs.umich.eduif env['USE_CHECKER']: 1085162Sgblack@eecs.umich.edu isa_desc_gen_files += [CpuModel.dict['CheckerCPU'].filename] 1095162Sgblack@eecs.umich.edu 1105162Sgblack@eecs.umich.edu# The emitter patches up the sources & targets to include the 1115162Sgblack@eecs.umich.edu# autogenerated files as targets and isa parser itself as a source. 1125162Sgblack@eecs.umich.edudef isa_desc_emitter(target, source, env): 1135162Sgblack@eecs.umich.edu return (isa_desc_gen_files, [isa_parser, cpu_models_file] + source) 1145162Sgblack@eecs.umich.edu 1155162Sgblack@eecs.umich.edu# Pieces are in place, so create the builder. 1165162Sgblack@eecs.umich.edupython = sys.executable # use same Python binary used to run scons 1175162Sgblack@eecs.umich.edu 1185162Sgblack@eecs.umich.edu# Also include the CheckerCPU as one of the models if it is being 1195162Sgblack@eecs.umich.edu# enabled via command line. 1205162Sgblack@eecs.umich.eduif env['USE_CHECKER']: 1215162Sgblack@eecs.umich.edu isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS CheckerCPU', 1225162Sgblack@eecs.umich.edu emitter = isa_desc_emitter) 1235162Sgblack@eecs.umich.eduelse: 1245162Sgblack@eecs.umich.edu isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS', 1255162Sgblack@eecs.umich.edu emitter = isa_desc_emitter) 1265162Sgblack@eecs.umich.edu 1275162Sgblack@eecs.umich.eduenv.Append(BUILDERS = { 'ISADesc' : isa_desc_builder }) 1285162Sgblack@eecs.umich.edu