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gem5/src/arch/arm/SConscript
Gabe Black db3a6e8e84 scons: Use Kconfig to configure gem5. 
These are not yet consumed by anything, but convert all the settings
from SCons variables to Kconfig variables.

If you have existing SConsopts files which need to be converted, you
should take a look at KCONFIG.md to learn about how kconfig is used in
gem5. You should decide if any variables need to be available to C++ or
kconfig itself, and whether those are options which should be detected
automatically, or should be up to the user. Options which should be
measured automatically should still be in SConsopts files, while user
facing options should be added to new or existing Kconfig files.

Generally, make sure you're storing c++/kconfig visible options in
env['CONF'][...]. Also remove references to sticky_vars since persistent
options should now be handled with kconfig, and export_vars since
everything in env['CONF'] is now exported automatically.

Switch SCons/gem5 to use Kconfig for configuration, except EXTRAS which
is still a sticky SCons variable. This is necessary because EXTRAS also
controls what config options exist. If it came from Kconfig itself, then
there would be a circular dependency. This dependency could
theoretically be handled by reparsing the Kconfig when EXTRAS
directories were added or removed, but that would be complicated, and
isn't supported by kconfiglib. It wouldn't be worth the significant
effort it would take to add it, just to use Kconfig more purely.

Change-Id: I29ab1940b2d7b0e6635a490452d05befe5b4a2c9
2023-11-23 08:26:10 +08:00

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# -*- mode:python -*-
# Copyright (c) 2009, 2012-2013, 2017-2018, 2020 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Copyright (c) 2007-2008 The Florida State University
# 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.
Import('*')
if env['CONF']['USE_ARM_ISA']:
env.TagImplies('arm isa', 'gem5 lib')
# The GTest function does not have a 'tags' parameter. We therefore apply this
# guard to ensure this test is only built when ARM is compiled.
#
# Note: This will need reconfigured for multi-isa. E.g., if this is
# incorporated: https://gem5-review.googlesource.com/c/public/gem5/+/52491
if env['CONF']['USE_ARM_ISA']:
GTest('aapcs64.test', 'aapcs64.test.cc',
'../../base/debug.cc',
'../../cpu/reg_class.cc',
'../../sim/bufval.cc', '../../sim/cur_tick.cc',
'regs/int.cc')
GTest('matrix.test', 'matrix.test.cc')
Source('decoder.cc', tags='arm isa')
Source('faults.cc', tags='arm isa')
Source('htm.cc', tags='arm isa')
Source('insts/branch.cc', tags='arm isa')
Source('insts/branch64.cc', tags='arm isa')
Source('insts/data64.cc', tags='arm isa')
Source('insts/macromem.cc', tags='arm isa')
Source('insts/mem.cc', tags='arm isa')
Source('insts/mem64.cc', tags='arm isa')
Source('insts/misc.cc', tags='arm isa')
Source('insts/misc64.cc', tags='arm isa')
Source('insts/pred_inst.cc', tags='arm isa')
Source('insts/pseudo.cc', tags='arm isa')
Source('insts/sme.cc', tags='arm isa')
Source('insts/static_inst.cc', tags='arm isa')
Source('insts/sve.cc', tags='arm isa')
Source('insts/sve_mem.cc', tags='arm isa')
Source('insts/vfp.cc', tags='arm isa')
Source('insts/fplib.cc', tags='arm isa')
Source('insts/crypto.cc', tags='arm isa')
Source('insts/tme64.cc', tags='arm isa')
if env['CONF']['PROTOCOL'] == 'MESI_Three_Level_HTM':
Source('insts/tme64ruby.cc', tags='arm isa')
else:
Source('insts/tme64classic.cc', tags='arm isa')
Source('interrupts.cc', tags='arm isa')
Source('isa.cc', tags='arm isa')
Source('isa_device.cc', tags='arm isa')
Source('linux/process.cc', tags='arm isa')
Source('linux/se_workload.cc', tags='arm isa')
Source('linux/fs_workload.cc', tags='arm isa')
Source('freebsd/fs_workload.cc', tags='arm isa')
Source('freebsd/se_workload.cc', tags='arm isa')
Source('fs_workload.cc', tags='arm isa')
Source('regs/int.cc', tags='arm isa')
Source('regs/misc.cc', tags='arm isa')
Source('mmu.cc', tags='arm isa')
Source('nativetrace.cc', tags='arm isa')
Source('pagetable.cc', tags='arm isa')
Source('pauth_helpers.cc', tags='arm isa')
Source('pmu.cc', tags='arm isa')
Source('process.cc', tags='arm isa')
Source('qarma.cc', tags='arm isa')
Source('remote_gdb.cc', tags='arm isa')
Source('reg_abi.cc', tags='arm isa')
Source('semihosting.cc', tags='arm isa')
Source('system.cc', tags='arm isa')
Source('table_walker.cc', tags='arm isa')
Source('self_debug.cc', tags='arm isa')
Source('stage2_lookup.cc', tags='arm isa')
Source('tlb.cc', tags='arm isa')
Source('tlbi_op.cc', tags='arm isa')
Source('utility.cc', tags='arm isa')
SimObject('ArmDecoder.py', sim_objects=['ArmDecoder'], tags='arm isa')
SimObject('ArmFsWorkload.py', sim_objects=[
'ArmFsWorkload', 'ArmFsLinux', 'ArmFsFreebsd'],
enums=['ArmMachineType'], tags='arm isa')
SimObject('ArmInterrupts.py', sim_objects=['ArmInterrupts'], tags='arm isa')
SimObject('ArmISA.py', sim_objects=['ArmISA'], enums=['DecoderFlavor'],
tags='arm isa')
SimObject('ArmMMU.py', sim_objects=['ArmTableWalker', 'ArmMMU'],
tags='arm isa')
SimObject('ArmNativeTrace.py', sim_objects=['ArmNativeTrace'], tags='arm isa')
SimObject('ArmSemihosting.py', sim_objects=['ArmSemihosting'], tags='arm isa')
SimObject('ArmSeWorkload.py', sim_objects=[
'ArmSEWorkload', 'ArmEmuLinux', 'ArmEmuFreebsd'], tags='arm isa')
SimObject('ArmSystem.py', sim_objects=['ArmSystem', 'ArmRelease'],
enums=['ArmExtension'], tags='arm isa')
SimObject('ArmTLB.py', sim_objects=['ArmTLB'], enums=['ArmLookupLevel'],
tags='arm isa')
SimObject('ArmPMU.py', sim_objects=['ArmPMU'], tags='arm isa')
SimObject('ArmCPU.py', sim_objects=[], tags='arm isa')
DebugFlag('Arm', tags='arm isa')
DebugFlag('ArmTme', 'Transactional Memory Extension', tags='arm isa')
DebugFlag('Semihosting', tags='arm isa')
DebugFlag('PMUVerbose', "Performance Monitor", tags='arm isa')
# Add files generated by the ISA description.
ISADesc('isa/main.isa', decoder_splits=3, exec_splits=6, tags='arm isa')
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