SConscript revision 6179
12139SN/A# -*- mode:python -*-
22139SN/A
32139SN/A# Copyright (c) 2006 The Regents of The University of Michigan
42139SN/A# All rights reserved.
52139SN/A#
62139SN/A# Redistribution and use in source and binary forms, with or without
72139SN/A# modification, are permitted provided that the following conditions are
82139SN/A# met: redistributions of source code must retain the above copyright
92139SN/A# notice, this list of conditions and the following disclaimer;
102139SN/A# redistributions in binary form must reproduce the above copyright
112139SN/A# notice, this list of conditions and the following disclaimer in the
122139SN/A# documentation and/or other materials provided with the distribution;
132139SN/A# neither the name of the copyright holders nor the names of its
142139SN/A# contributors may be used to endorse or promote products derived from
152139SN/A# this software without specific prior written permission.
162139SN/A#
172139SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
182139SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
192139SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
202139SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
212139SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
222139SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
232139SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
242139SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
252139SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
262139SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
272139SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
282665Ssaidi@eecs.umich.edu#
292665Ssaidi@eecs.umich.edu# Authors: Steve Reinhardt
302139SN/A
314202Sbinkertn@umich.eduimport sys
322139SN/A
334202Sbinkertn@umich.eduImport('*')
342152SN/A
352152SN/A#################################################################
362139SN/A#
372139SN/A# ISA "switch header" generation.
382139SN/A#
392139SN/A# Auto-generate arch headers that include the right ISA-specific
402139SN/A# header based on the setting of THE_ISA preprocessor variable.
412152SN/A#
422152SN/A#################################################################
432139SN/A
442139SN/A# List of headers to generate
452139SN/Aisa_switch_hdrs = Split('''
464781Snate@binkert.org        arguments.hh
474781Snate@binkert.org        faults.hh
484781Snate@binkert.org        interrupts.hh
494781Snate@binkert.org        isa_traits.hh
504781Snate@binkert.org        kernel_stats.hh
513170Sstever@eecs.umich.edu        locked_mem.hh
525664Sgblack@eecs.umich.edu        microcode_rom.hh
533806Ssaidi@eecs.umich.edu        mmaped_ipr.hh
546179Sksewell@umich.edu        mt.hh
554781Snate@binkert.org        process.hh
564781Snate@binkert.org        predecoder.hh
574781Snate@binkert.org        regfile.hh
584781Snate@binkert.org        remote_gdb.hh
594781Snate@binkert.org        stacktrace.hh
604781Snate@binkert.org        tlb.hh
614781Snate@binkert.org        types.hh
624781Snate@binkert.org        utility.hh
634781Snate@binkert.org        vtophys.hh
642139SN/A        ''')
652139SN/A
663546Sgblack@eecs.umich.edu# Set up this directory to support switching headers
674202Sbinkertn@umich.edumake_switching_dir('arch', isa_switch_hdrs, env)
682152SN/A
692152SN/A#################################################################
702152SN/A#
712152SN/A# Include architecture-specific files.
722152SN/A#
732152SN/A#################################################################
742152SN/A
752152SN/A#
762152SN/A# Build a SCons scanner for ISA files
772152SN/A#
782152SN/Aimport SCons.Scanner
792152SN/A
802504SN/Aisa_scanner = SCons.Scanner.Classic("ISAScan",
812504SN/A                                    [".isa", ".ISA"],
822504SN/A                                    "SRCDIR",
832504SN/A                                    r'^\s*##include\s+"([\w/.-]*)"')
842152SN/A
852504SN/Aenv.Append(SCANNERS = isa_scanner)
862152SN/A
872152SN/A#
882152SN/A# Now create a Builder object that uses isa_parser.py to generate C++
892152SN/A# output from the ISA description (*.isa) files.
902152SN/A#
912152SN/A
922152SN/A# Convert to File node to fix path
932152SN/Aisa_parser = File('isa_parser.py')
942632Sstever@eecs.umich.educpu_models_file = File('../cpu/cpu_models.py')
952155SN/A
962155SN/A# This sucks in the defintions of the CpuModel objects.
972155SN/Aexecfile(cpu_models_file.srcnode().abspath)
982155SN/A
992155SN/A# Several files are generated from the ISA description.
1002155SN/A# We always get the basic decoder and header file.
1015228Sgblack@eecs.umich.eduisa_desc_gen_files = [ 'decoder.cc', 'decoder.hh', 'max_inst_regs.hh' ]
1022155SN/A# We also get an execute file for each selected CPU model.
1032155SN/Aisa_desc_gen_files += [CpuModel.dict[cpu].filename
1042155SN/A                       for cpu in env['CPU_MODELS']]
1052152SN/A
1062766Sktlim@umich.edu# Also include the CheckerCPU as one of the models if it is being
1072766Sktlim@umich.edu# enabled via command line.
1082766Sktlim@umich.eduif env['USE_CHECKER']:
1092766Sktlim@umich.edu    isa_desc_gen_files += [CpuModel.dict['CheckerCPU'].filename]
1102766Sktlim@umich.edu
1112152SN/A# The emitter patches up the sources & targets to include the
1122152SN/A# autogenerated files as targets and isa parser itself as a source.
1132152SN/Adef isa_desc_emitter(target, source, env):
1142155SN/A    return (isa_desc_gen_files, [isa_parser, cpu_models_file] + source)
1152152SN/A
1162152SN/A# Pieces are in place, so create the builder.
1172718Sstever@eecs.umich.edupython = sys.executable  # use same Python binary used to run scons
1182921Sktlim@umich.edu
1192921Sktlim@umich.edu# Also include the CheckerCPU as one of the models if it is being
1202921Sktlim@umich.edu# enabled via command line.
1212921Sktlim@umich.eduif env['USE_CHECKER']:
1222921Sktlim@umich.edu    isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS CheckerCPU',
1232921Sktlim@umich.edu                               emitter = isa_desc_emitter)
1242921Sktlim@umich.eduelse:
1252921Sktlim@umich.edu    isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS',
1262921Sktlim@umich.edu                               emitter = isa_desc_emitter)
1272152SN/A
1282152SN/Aenv.Append(BUILDERS = { 'ISADesc' : isa_desc_builder })
1295944Sgblack@eecs.umich.edu
1305944Sgblack@eecs.umich.eduTraceFlag('IntRegs')
1315944Sgblack@eecs.umich.eduTraceFlag('FloatRegs')
1325944Sgblack@eecs.umich.eduTraceFlag('MiscRegs')
1335944Sgblack@eecs.umich.eduCompoundFlag('Registers', [ 'IntRegs', 'FloatRegs', 'MiscRegs' ])
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