--- /dev/null
+# -*- mode:python -*-
+
+# Copyright (c) 2004 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.
+
+import os
+import sys
+
+# This file defines how to build a particular configuration of M5
+# based on variable settings in the 'env' build environment.
+
+# Import build environment variable from SConstruct.
+Import('env')
+
+###################################################
+#
+# Define needed sources.
+#
+###################################################
+
+# Base sources used by all configurations.
+base_sources = Split('''
+ arch/alpha/decoder.cc
+ arch/alpha/fast_cpu_exec.cc
+ arch/alpha/simple_cpu_exec.cc
+ arch/alpha/full_cpu_exec.cc
+ arch/alpha/faults.cc
+ arch/alpha/isa_traits.cc
+
+ base/circlebuf.cc
+ base/copyright.cc
+ base/cprintf.cc
+ base/fast_alloc.cc
+ base/fifo_buffer.cc
+ base/hostinfo.cc
+ base/hybrid_pred.cc
+ base/inifile.cc
+ base/intmath.cc
+ base/misc.cc
+ base/pollevent.cc
+ base/python.cc
+ base/range.cc
+ base/sat_counter.cc
+ base/socket.cc
+ base/statistics.cc
+ base/str.cc
+ base/time.cc
+ base/trace.cc
+ base/traceflags.cc
+ base/userinfo.cc
+ base/compression/lzss_compression.cc
+ base/loader/aout_object.cc
+ base/loader/ecoff_object.cc
+ base/loader/elf_object.cc
+ base/loader/object_file.cc
+ base/loader/symtab.cc
+ base/stats/events.cc
+ base/stats/python.cc
+ base/stats/statdb.cc
+ base/stats/visit.cc
+ base/stats/text.cc
+
+ cpu/base_cpu.cc
+ cpu/exec_context.cc
+ cpu/exetrace.cc
+ cpu/pc_event.cc
+ cpu/static_inst.cc
+ cpu/fast_cpu/fast_cpu.cc
+ cpu/full_cpu/bpred.cc
+ cpu/full_cpu/commit.cc
+ cpu/full_cpu/create_vector.cc
+ cpu/full_cpu/cv_spec_state.cc
+ cpu/full_cpu/dd_queue.cc
+ cpu/full_cpu/dep_link.cc
+ cpu/full_cpu/dispatch.cc
+ cpu/full_cpu/dyn_inst.cc
+ cpu/full_cpu/execute.cc
+ cpu/full_cpu/fetch.cc
+ cpu/full_cpu/floss_reasons.cc
+ cpu/full_cpu/fu_pool.cc
+ cpu/full_cpu/full_cpu.cc
+ cpu/full_cpu/inst_fifo.cc
+ cpu/full_cpu/instpipe.cc
+ cpu/full_cpu/issue.cc
+ cpu/full_cpu/ls_queue.cc
+ cpu/full_cpu/machine_queue.cc
+ cpu/full_cpu/pipetrace.cc
+ cpu/full_cpu/readyq.cc
+ cpu/full_cpu/reg_info.cc
+ cpu/full_cpu/rob_station.cc
+ cpu/full_cpu/spec_memory.cc
+ cpu/full_cpu/spec_state.cc
+ cpu/full_cpu/storebuffer.cc
+ cpu/full_cpu/writeback.cc
+ cpu/full_cpu/iq/iq_station.cc
+ cpu/full_cpu/iq/iqueue.cc
+ cpu/full_cpu/iq/segmented/chain_info.cc
+ cpu/full_cpu/iq/segmented/chain_wire.cc
+ cpu/full_cpu/iq/segmented/iq_seg.cc
+ cpu/full_cpu/iq/segmented/iq_segmented.cc
+ cpu/full_cpu/iq/segmented/seg_chain.cc
+ cpu/full_cpu/iq/seznec/iq_seznec.cc
+ cpu/full_cpu/iq/standard/iq_standard.cc
+ cpu/sampling_cpu/sampling_cpu.cc
+ cpu/simple_cpu/simple_cpu.cc
+ cpu/trace/reader/mem_trace_reader.cc
+ cpu/trace/reader/ibm_reader.cc
+ cpu/trace/reader/itx_reader.cc
+ cpu/trace/reader/m5_reader.cc
+
+ mem/base_hier.cc
+ mem/base_mem.cc
+ mem/hier_params.cc
+ mem/mem_cmd.cc
+ mem/mem_debug.cc
+ mem/mem_req.cc
+ mem/memory_interface.cc
+ mem/bus/base_interface.cc
+ mem/bus/bus.cc
+ mem/bus/bus_bridge.cc
+ mem/bus/bus_bridge_master.cc
+ mem/bus/bus_bridge_slave.cc
+ mem/bus/bus_interface.cc
+ mem/bus/dma_bus_interface.cc
+ mem/bus/dma_interface.cc
+ mem/bus/master_interface.cc
+ mem/bus/slave_interface.cc
+ mem/cache/base_cache.cc
+ mem/cache/cache.cc
+ mem/cache/cache_builder.cc
+ mem/cache/coherence/coherence_protocol.cc
+ mem/cache/coherence/uni_coherence.cc
+ mem/cache/miss/blocking_buffer.cc
+ mem/cache/miss/miss_queue.cc
+ mem/cache/miss/mshr.cc
+ mem/cache/miss/mshr_queue.cc
+ mem/cache/tags/base_tags.cc
+ mem/cache/tags/cache_tags.cc
+ mem/cache/tags/fa_lru.cc
+ mem/cache/tags/iic.cc
+ mem/cache/tags/lru.cc
+ mem/cache/tags/repl/gen.cc
+ mem/cache/tags/repl/repl.cc
+ mem/functional_mem/functional_memory.cc
+ mem/functional_mem/main_memory.cc
+ mem/timing_mem/base_memory.cc
+ mem/timing_mem/memory_builder.cc
+ mem/timing_mem/simple_mem_bank.cc
+ mem/trace/mem_trace_writer.cc
+ mem/trace/m5_writer.cc
+
+ sim/builder.cc
+ sim/configfile.cc
+ sim/debug.cc
+ sim/eventq.cc
+ sim/main.cc
+ sim/param.cc
+ sim/profile.cc
+ sim/serialize.cc
+ sim/sim_events.cc
+ sim/sim_exit.cc
+ sim/sim_init.cc
+ sim/sim_object.cc
+ sim/stat_context.cc
+ sim/stat_control.cc
+ sim/sw_context.cc
+ sim/trace_context.cc
+ sim/universe.cc
+ ''')
+
+# MySql sources
+mysql_sources = Split('''
+ base/mysql.cc
+ base/stats/mysql.cc
+ ''')
+
+# Full-system sources
+full_system_sources = Split('''
+ arch/alpha/alpha_memory.cc
+ arch/alpha/arguments.cc
+ arch/alpha/ev5.cc
+ arch/alpha/osfpal.cc
+ arch/alpha/pseudo_inst.cc
+ arch/alpha/vtophys.cc
+
+ base/inet.cc
+ base/remote_gdb.cc
+
+ cpu/intr_control.cc
+
+ dev/alpha_console.cc
+ dev/baddev.cc
+ dev/simconsole.cc
+ dev/disk_image.cc
+ dev/dma.cc
+ dev/etherdump.cc
+ dev/etherint.cc
+ dev/etherlink.cc
+ dev/etherpkt.cc
+ dev/ethertap.cc
+ dev/ide_ctrl.cc
+ dev/ide_disk.cc
+ dev/io_device.cc
+ dev/ns_gige.cc
+ dev/etherdev.cc
+ dev/pciconfigall.cc
+ dev/pcidev.cc
+ dev/scsi.cc
+ dev/scsi_ctrl.cc
+ dev/scsi_disk.cc
+ dev/scsi_none.cc
+ dev/simple_disk.cc
+ dev/tlaser_clock.cc
+ dev/tlaser_ipi.cc
+ dev/tlaser_mbox.cc
+ dev/tlaser_mc146818.cc
+ dev/tlaser_node.cc
+ dev/tlaser_pcia.cc
+ dev/tlaser_pcidev.cc
+ dev/tlaser_serial.cc
+ dev/turbolaser.cc
+ dev/tsunami.cc
+ dev/tsunami_cchip.cc
+ dev/tsunami_fake.cc
+ dev/tsunami_io.cc
+ dev/tsunami_pchip.cc
+ dev/uart.cc
+
+ kern/kernel_stats.cc
+ kern/system_events.cc
+ kern/linux/linux_events.cc
+ kern/linux/linux_syscalls.cc
+ kern/linux/linux_system.cc
+ kern/tru64/dump_mbuf.cc
+ kern/tru64/printf.cc
+ kern/tru64/tru64_events.cc
+ kern/tru64/tru64_syscalls.cc
+ kern/tru64/tru64_system.cc
+
+ mem/functional_mem/memory_control.cc
+ mem/functional_mem/physical_memory.cc
+ dev/platform.cc
+
+ sim/system.cc
+ ''')
+
+# Syscall emulation (non-full-system) sources
+syscall_emulation_sources = Split('''
+ arch/alpha/alpha_common_syscall_emul.cc
+ arch/alpha/alpha_linux_process.cc
+ arch/alpha/alpha_tru64_process.cc
+ cpu/memtest/memtest.cc
+ cpu/trace/trace_cpu.cc
+ eio/eio.cc
+ eio/exolex.cc
+ eio/libexo.cc
+ sim/process.cc
+ sim/syscall_emul.cc
+ ''')
+
+# Set up complete list of sources based on configuration.
+sources = base_sources
+
+if env['FULL_SYSTEM']:
+ sources += full_system_sources
+else:
+ sources += syscall_emulation_sources
+
+if env['USE_MYSQL']:
+ sources += mysql_sources
+
+###################################################
+#
+# Special build rules.
+#
+###################################################
+
+# base/traceflags.{cc,hh} are generated from base/traceflags.py.
+# $TARGET.base will expand to "<build-dir>/base/traceflags".
+env.Command(Split('base/traceflags.hh base/traceflags.cc'),
+ 'base/traceflags.py',
+ 'python $SOURCE $TARGET.base')
+
+# several files are generated from arch/$TARGET_ISA/isa_desc.
+env.Command(Split('''arch/alpha/decoder.cc
+ arch/alpha/decoder.hh
+ arch/alpha/fast_cpu_exec.cc
+ arch/alpha/simple_cpu_exec.cc
+ arch/alpha/full_cpu_exec.cc'''),
+ 'arch/alpha/isa_desc',
+ '$SRCDIR/arch/isa_parser.py $SOURCE $TARGET.dir arch/alpha')
+
+
+# 'targetarch' is a symlink to arch/$TARGET_ISA.
+def link_targetarch(target, source, env):
+ link_target = str(target[0])
+ link_source = env.subst('$SRCDIR/arch/$TARGET_ISA')
+ if not os.path.isdir(link_target):
+ print "symlinking", link_source, "to", link_target
+ try:
+ os.symlink(link_source, link_target)
+ except OSError, desc:
+ print "Error creating symlink %s: %s" % (link_target, desc)
+ sys.exit(-1)
+
+# Tell SCons to use the link_targetarch function to make 'targetarch'
+env.Command('targetarch', None, link_targetarch)
+
+
+# This function adds the specified sources to the given build
+# environment, and returns a list of all the corresponding SCons
+# Object nodes (including an extra one for date.cc). We explicitly
+# add the Object nodes so we can set up special dependencies for
+# targetarch and date.cc.
+def make_objs(sources, env):
+ objs = [env.Object(s) for s in sources]
+ # make all objects depend on the targetarch link so it gets made first.
+ env.Depends(objs, 'targetarch')
+ # make date.cc depend on all other objects so it always gets
+ # recompiled whenever anything else does
+ date_obj = env.Object('base/date.cc')
+ env.Depends(date_obj, objs)
+ objs.append(date_obj)
+ return objs
+
+###################################################
+#
+# Define binaries. Each different build type (debug, opt, etc.) gets
+# a slightly different build environment.
+#
+###################################################
+
+# Include file paths are rooted in this directory. SCons will
+# automatically expand '.' to refer to both the source directory and
+# the corresponding build directory to pick up generated include
+# files.
+env.Append(CPPPATH='.')
+
+# Debug binary
+debug = env.Copy(OBJSUFFIX='.do')
+debug.Append(CCFLAGS=Split('-g -gstabs+ -O0'))
+debug.Append(CPPDEFINES='DEBUG')
+debug.Program(target = 'm5.debug', source = make_objs(sources, debug))
+
+# Optimized binary
+opt = env.Copy()
+opt.Append(CCFLAGS=Split('-g -O5'))
+opt.Program(target = 'm5.opt', source = make_objs(sources, opt))
+
+# "Fast" binary
+fast = env.Copy(OBJSUFFIX='.fo')
+fast.Append(CCFLAGS=Split('-O5'))
+fast.Append(CPPDEFINES='NDEBUG')
+fast.Program(target = 'm5.fast.unstripped', source = make_objs(sources, fast))
+fast.Command(target = 'm5.fast', source = 'm5.fast.unstripped',
+ action = 'strip $SOURCE -o $TARGET')
+
+# Profiled binary
+prof = env.Copy(OBJSUFFIX='.po')
+prof.Append(CCFLAGS=Split('-O5 -g -pg'), LINKFLAGS='-pg')
+prof.Program(target = 'm5.prof', source = make_objs(sources, prof))
# This file generates the header and source files for the flags
# that control the tracing facility.
#
-hhfilename="traceflags.hh"
-ccfilename="traceflags.cc"
+
+import sys
+
+if len(sys.argv) != 2:
+ print "%s: Need argument (basename of cc/hh files)" % sys.argv[0]
+ sys.exit(1)
+
+hhfilename = sys.argv[1] + '.hh'
+ccfilename = sys.argv[1] + '.cc'
#
# The list of trace flags that can be used to condition DPRINTFs etc.
--- /dev/null
+# -*- mode:python -*-
+
+# Copyright (c) 2004 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.
+
+###################################################
+#
+# SCons top-level build description (SConstruct) file.
+#
+# To build M5, you need a directory with three things:
+# 1. A copy of this file (named SConstruct).
+# 2. A link named 'm5' to the top of the M5 simulator source tree.
+# 3. A link named 'ext' to the top of the M5 external source tree.
+#
+# Then type 'scons' to build the default configuration (see below), or
+# 'scons <CONFIG>/<binary>' to build some other configuration (e.g.,
+# 'KERNEL/m5.opt' for the optimized full-system version).
+#
+###################################################
+
+# Python library imports
+import sys
+import os
+
+# The absolute path to the current directory (where this file lives).
+ROOT = Dir('.').abspath
+
+# Paths to the M5 and external source trees (local symlinks).
+SRCDIR = os.path.join(ROOT, 'm5')
+EXT_SRCDIR = os.path.join(ROOT, 'ext')
+
+# Check for 'm5' and 'ext' links, die if they don't exist.
+if not os.path.isdir(SRCDIR):
+ print "Error: '%s' must be a link to the M5 source tree." % SRCDIR
+ sys.exit(1)
+
+if not os.path.isdir('ext'):
+ print "Error: '%s' must be a link to the M5 external source tree." \
+ % EXT_SRCDIR
+ sys.exit(1)
+
+
+###################################################
+#
+# Define Configurations
+#
+# The build system infers the build options from the subdirectory name
+# that the simulator is built under. The subdirectory name must be of
+# the form <CONFIG>[.<OPT>]*, where <CONFIG> is a base configuration
+# (e.g., ALPHA or KERNEL) and OPT is an option (e.g., MYSQL). The
+# following code defines the standard configurations and options.
+# Additional local configurations and options are read from the file
+# 'local_configs' if it exists.
+#
+# Each base configuration or option is defined in two steps: a
+# function that takes an SCons build environment and modifies it
+# appropriately for that config or option, and an entry in the
+# 'configs_map' or 'options_map' dictionary that maps the directory
+# name string to the function. (The directory names are all upper
+# case, by convention.)
+#
+###################################################
+
+# Base non-full-system Alpha ISA configuration.
+def AlphaConfig(env):
+ env.Replace(TARGET_ISA = 'alpha')
+ env.Append(CPPDEFINES = 'SS_COMPATIBLE_FP')
+
+# Base full-system configuration.
+def KernelConfig(env):
+ env.Replace(TARGET_ISA = 'alpha')
+ env.Replace(FULL_SYSTEM = True)
+ env.Append(CPPDEFINES = ['FULL_SYSTEM', 'SYSTEM_EV5'])
+
+# Base configurations map.
+configs_map = {
+ 'ALPHA' : AlphaConfig,
+ 'KERNEL' : KernelConfig
+ }
+
+# Enable detailed full-system binning.
+def MeasureOpt(env):
+ env.Replace(USE_MYSQL = True)
+ env.Append(CPPDEFINES = 'FS_MEASURE')
+
+# Enable MySql database output for stats.
+def MySqlOpt(env):
+ env.Replace(USE_MYSQL = True)
+
+# Disable FastAlloc object allocation.
+def NoFastAllocOpt(env):
+ env.Append(CPPDEFINES = 'NO_FAST_ALLOC')
+
+# Configuration options map.
+options_map = {
+ 'MEASURE' : MeasureOpt,
+ 'MYSQL' : MySqlOpt,
+ 'NO_FAST_ALLOC' : NoFastAllocOpt
+ }
+
+# The 'local_configs' file can be used to define additional base
+# configurations and/or options without changing this file.
+if os.path.isfile('local_configs'):
+ SConscript('local_configs', exports = ['configs_map', 'options_map'])
+
+# This function parses a directory name of the form <CONFIG>[.<OPT>]*
+# and sets up the build environment appropriately. Returns True if
+# successful, False if the base config or any of the options were not
+# defined.
+def set_dir_options(dir, env):
+ parts = dir.split('.')
+ config = parts[0]
+ opts = parts[1:]
+ try:
+ configs_map[config](env)
+ map(lambda opt: options_map[opt](env), opts)
+ return True
+ except KeyError, key:
+ print "Config/option '%s' not found." % key
+ return False
+
+# Set the default configuration and binary. The default target (if
+# scons is invoked at the top level with no command-line targets) is
+# 'ALPHA/m5.debug'. If scons is invoked in a subdirectory with no
+# command-line targets, the configuration
+
+###################################################
+#
+# Figure out which configurations to set up.
+#
+#
+# It's prohibitive to do all the combinations of base configurations
+# and options, so we have to infer which ones the user wants.
+#
+# 1. If there are command-line targets, the configuration(s) are inferred
+# from the directories of those targets. If scons was invoked from a
+# subdirectory (using 'scons -u'), those targets have to be
+# interpreted relative to that subdirectory.
+#
+# 2. If there are no command-line targets, and scons was invoked from a
+# subdirectory (using 'scons -u'), the configuration is inferred from
+# the name of the subdirectory.
+#
+# 3. If there are no command-line targets and scons was invoked from
+# the root build directory, a default configuration is used. The
+# built-in default is ALPHA, but this can be overridden by setting the
+# M5_DEFAULT_CONFIG shell environment veriable.
+#
+# In cases 2 & 3, the specific file target defaults to 'm5.debug', but
+# this can be overridden by setting the M5_DEFAULT_BINARY shell
+# environment veriable.
+#
+###################################################
+
+# Find default configuration & binary.
+default_config = os.environ.get('M5_DEFAULT_CONFIG', 'ALPHA')
+default_binary = os.environ.get('M5_DEFAULT_BINARY', 'm5.debug')
+
+# Ask SCons which directory it was invoked from. If you invoke SCons
+# from a subdirectory you must use the '-u' flag.
+launch_dir = GetLaunchDir()
+
+# Build a list 'my_targets' of all the targets relative to ROOT.
+if launch_dir == ROOT:
+ # invoked from root build dir
+ if len(COMMAND_LINE_TARGETS) != 0:
+ # easy: use specified targets as is
+ my_targets = COMMAND_LINE_TARGETS
+ else:
+ # default target (ALPHA/m5.debug, unless overridden)
+ target = os.path.join(default_config, default_binary)
+ my_targets = [target]
+ Default(target)
+else:
+ # invoked from subdirectory
+ if not launch_dir.startswith(ROOT):
+ print "Error: launch dir (%s) not a subdirectory of ROOT (%s)!" \
+ (launch_dir, ROOT)
+ sys.exit(1)
+ # make launch_dir relative to ROOT (strip ROOT plus slash off front)
+ launch_dir = launch_dir[len(ROOT)+1:]
+ if len(COMMAND_LINE_TARGETS) != 0:
+ # make specified targets relative to ROOT
+ my_targets = map(lambda x: os.path.join(launch_dir, x),
+ COMMAND_LINE_TARGETS)
+ else:
+ # build default binary (m5.debug, unless overridden) using the
+ # config inferred by the invocation directory (the first
+ # subdirectory after ROOT)
+ target = os.path.join(launch_dir.split('/')[0], default_binary)
+ my_targets = [target]
+ Default(target)
+
+# Normalize target paths (gets rid of '..' in the middle, etc.)
+my_targets = map(os.path.normpath, my_targets)
+
+# Generate a list of the unique configs that the collected targets reference.
+build_dirs = []
+for t in my_targets:
+ dir = t.split('/')[0]
+ if dir not in build_dirs:
+ build_dirs.append(dir)
+
+###################################################
+#
+# Set up the default build environment. This environment is copied
+# and modified according to each selected configuration.
+#
+###################################################
+
+default_env = Environment(ENV = os.environ, # inherit user's enviroment vars
+ ROOT = ROOT,
+ SRCDIR = SRCDIR,
+ EXT_SRCDIR = EXT_SRCDIR,
+ CPPDEFINES = [],
+ FULL_SYSTEM = False,
+ USE_MYSQL = False)
+
+# M5_EXT is used by isa_parser.py to find the PLY package.
+default_env.Append(ENV = { 'M5_EXT' : EXT_SRCDIR })
+
+default_env.Append(CCFLAGS='-pipe')
+default_env.Append(CCFLAGS='-fno-strict-aliasing')
+default_env.Append(CCFLAGS=Split('-Wall -Wno-sign-compare -Werror -Wundef'))
+
+# libelf build is described in its own SConscript file. Using a
+# dictionary for exports lets us export "default_env" so the
+# SConscript will see it as "env".
+default_env.SConscript('m5/libelf/SConscript', exports={'env' : default_env})
+
+
+###################################################
+#
+# Define build environments for selected configurations.
+#
+###################################################
+
+for build_dir in build_dirs:
+ # Make a copy of the default environment to use for this config.
+ env = default_env.Copy()
+ # Modify 'env' according to the build directory config.
+ print "Configuring options for directory '%s'." % build_dir
+ if not set_dir_options(build_dir, env):
+ print "Skipping directory '%s'." % build_dir
+ continue
+
+ # The m5/SConscript file sets up the build rules in 'env' according
+ # to the configured options.
+ SConscript('m5/SConscript', build_dir = build_dir, exports = 'env',
+ duplicate=0)
+
+
+###################################################
+#
+# Let SCons do its thing. At this point SCons will use the defined
+# build enviornments to build the requested targets.
+#
+###################################################
+
projects / gem5.git / commitdiff