SConstruct revision 6654
1955SN/A# -*- mode:python -*- 2955SN/A 310841Sandreas.sandberg@arm.com# Copyright (c) 2009 The Hewlett-Packard Development Company 49812Sandreas.hansson@arm.com# Copyright (c) 2004-2005 The Regents of The University of Michigan 59812Sandreas.hansson@arm.com# All rights reserved. 69812Sandreas.hansson@arm.com# 79812Sandreas.hansson@arm.com# Redistribution and use in source and binary forms, with or without 89812Sandreas.hansson@arm.com# modification, are permitted provided that the following conditions are 99812Sandreas.hansson@arm.com# met: redistributions of source code must retain the above copyright 109812Sandreas.hansson@arm.com# notice, this list of conditions and the following disclaimer; 119812Sandreas.hansson@arm.com# redistributions in binary form must reproduce the above copyright 129812Sandreas.hansson@arm.com# notice, this list of conditions and the following disclaimer in the 139812Sandreas.hansson@arm.com# documentation and/or other materials provided with the distribution; 149812Sandreas.hansson@arm.com# neither the name of the copyright holders nor the names of its 157816Ssteve.reinhardt@amd.com# contributors may be used to endorse or promote products derived from 165871Snate@binkert.org# this software without specific prior written permission. 171762SN/A# 18955SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19955SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20955SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21955SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22955SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23955SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24955SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25955SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26955SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27955SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28955SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29955SN/A# 30955SN/A# Authors: Steve Reinhardt 31955SN/A# Nathan Binkert 32955SN/A 33955SN/A################################################### 34955SN/A# 35955SN/A# SCons top-level build description (SConstruct) file. 36955SN/A# 37955SN/A# While in this directory ('m5'), just type 'scons' to build the default 38955SN/A# configuration (see below), or type 'scons build/<CONFIG>/<binary>' 39955SN/A# to build some other configuration (e.g., 'build/ALPHA_FS/m5.opt' for 40955SN/A# the optimized full-system version). 41955SN/A# 422665Ssaidi@eecs.umich.edu# You can build M5 in a different directory as long as there is a 432665Ssaidi@eecs.umich.edu# 'build/<CONFIG>' somewhere along the target path. The build system 445863Snate@binkert.org# expects that all configs under the same build directory are being 45955SN/A# built for the same host system. 46955SN/A# 47955SN/A# Examples: 48955SN/A# 49955SN/A# The following two commands are equivalent. The '-u' option tells 508878Ssteve.reinhardt@amd.com# scons to search up the directory tree for this SConstruct file. 512632Sstever@eecs.umich.edu# % cd <path-to-src>/m5 ; scons build/ALPHA_FS/m5.debug 528878Ssteve.reinhardt@amd.com# % cd <path-to-src>/m5/build/ALPHA_FS; scons -u m5.debug 532632Sstever@eecs.umich.edu# 54955SN/A# The following two commands are equivalent and demonstrate building 558878Ssteve.reinhardt@amd.com# in a directory outside of the source tree. The '-C' option tells 562632Sstever@eecs.umich.edu# scons to chdir to the specified directory to find this SConstruct 572761Sstever@eecs.umich.edu# file. 582632Sstever@eecs.umich.edu# % cd <path-to-src>/m5 ; scons /local/foo/build/ALPHA_FS/m5.debug 592632Sstever@eecs.umich.edu# % cd /local/foo/build/ALPHA_FS; scons -C <path-to-src>/m5 m5.debug 602632Sstever@eecs.umich.edu# 612761Sstever@eecs.umich.edu# You can use 'scons -H' to print scons options. If you're in this 622761Sstever@eecs.umich.edu# 'm5' directory (or use -u or -C to tell scons where to find this 632761Sstever@eecs.umich.edu# file), you can use 'scons -h' to print all the M5-specific build 648878Ssteve.reinhardt@amd.com# options as well. 658878Ssteve.reinhardt@amd.com# 662761Sstever@eecs.umich.edu################################################### 672761Sstever@eecs.umich.edu 682761Sstever@eecs.umich.edu# Check for recent-enough Python and SCons versions. 692761Sstever@eecs.umich.edutry: 702761Sstever@eecs.umich.edu # Really old versions of scons only take two options for the 718878Ssteve.reinhardt@amd.com # function, so check once without the revision and once with the 728878Ssteve.reinhardt@amd.com # revision, the first instance will fail for stuff other than 732632Sstever@eecs.umich.edu # 0.98, and the second will fail for 0.98.0 742632Sstever@eecs.umich.edu EnsureSConsVersion(0, 98) 758878Ssteve.reinhardt@amd.com EnsureSConsVersion(0, 98, 1) 768878Ssteve.reinhardt@amd.comexcept SystemExit, e: 772632Sstever@eecs.umich.edu print """ 78955SN/AFor more details, see: 79955SN/A http://m5sim.org/wiki/index.php/Compiling_M5 80955SN/A""" 815863Snate@binkert.org raise 825863Snate@binkert.org 835863Snate@binkert.org# We ensure the python version early because we have stuff that 845863Snate@binkert.org# requires python 2.4 855863Snate@binkert.orgtry: 865863Snate@binkert.org EnsurePythonVersion(2, 4) 875863Snate@binkert.orgexcept SystemExit, e: 885863Snate@binkert.org print """ 895863Snate@binkert.orgYou can use a non-default installation of the Python interpreter by 905863Snate@binkert.orgeither (1) rearranging your PATH so that scons finds the non-default 915863Snate@binkert.org'python' first or (2) explicitly invoking an alternative interpreter 928878Ssteve.reinhardt@amd.comon the scons script. 935863Snate@binkert.org 945863Snate@binkert.orgFor more details, see: 955863Snate@binkert.org http://m5sim.org/wiki/index.php/Using_a_non-default_Python_installation 969812Sandreas.hansson@arm.com""" 979812Sandreas.hansson@arm.com raise 985863Snate@binkert.org 999812Sandreas.hansson@arm.com# Global Python includes 1005863Snate@binkert.orgimport os 1015863Snate@binkert.orgimport re 1025863Snate@binkert.orgimport subprocess 1039812Sandreas.hansson@arm.comimport sys 1049812Sandreas.hansson@arm.com 1055863Snate@binkert.orgfrom os import mkdir, environ 1065863Snate@binkert.orgfrom os.path import abspath, basename, dirname, expanduser, normpath 1078878Ssteve.reinhardt@amd.comfrom os.path import exists, isdir, isfile 1085863Snate@binkert.orgfrom os.path import join as joinpath, split as splitpath 1095863Snate@binkert.org 1105863Snate@binkert.org# SCons includes 1116654Snate@binkert.orgimport SCons 11210196SCurtis.Dunham@arm.comimport SCons.Node 113955SN/A 1145396Ssaidi@eecs.umich.edu# M5 includes 1155863Snate@binkert.orgsys.path[1:1] = [ Dir('src/python').srcnode().abspath ] 1165863Snate@binkert.org 1174202Sbinkertn@umich.edufrom m5.util import compareVersions, readCommand 1185863Snate@binkert.org 1195863Snate@binkert.org######################################################################## 1205863Snate@binkert.org# 1215863Snate@binkert.org# Set up the main build environment. 122955SN/A# 1236654Snate@binkert.org######################################################################## 1245273Sstever@gmail.comuse_vars = set([ 'AS', 'AR', 'CC', 'CXX', 'HOME', 'LD_LIBRARY_PATH', 'PATH', 1255871Snate@binkert.org 'RANLIB' ]) 1265273Sstever@gmail.com 1276655Snate@binkert.orguse_env = {} 1288878Ssteve.reinhardt@amd.comfor key,val in os.environ.iteritems(): 1296655Snate@binkert.org if key in use_vars or key.startswith("M5"): 1306655Snate@binkert.org use_env[key] = val 1319219Spower.jg@gmail.com 1326655Snate@binkert.orgmain = Environment(ENV=use_env) 1335871Snate@binkert.orgmain.root = Dir(".") # The current directory (where this file lives). 1346654Snate@binkert.orgmain.srcdir = Dir("src") # The source directory 1358947Sandreas.hansson@arm.com 1365396Ssaidi@eecs.umich.edu######################################################################## 1378120Sgblack@eecs.umich.edu# 1388120Sgblack@eecs.umich.edu# Mercurial Stuff. 1398120Sgblack@eecs.umich.edu# 1408120Sgblack@eecs.umich.edu# If the M5 directory is a mercurial repository, we should do some 1418120Sgblack@eecs.umich.edu# extra things. 1428120Sgblack@eecs.umich.edu# 1438120Sgblack@eecs.umich.edu######################################################################## 1448120Sgblack@eecs.umich.edu 1458879Ssteve.reinhardt@amd.comhgdir = main.root.Dir(".hg") 1468879Ssteve.reinhardt@amd.com 1478879Ssteve.reinhardt@amd.commercurial_style_message = """ 1488879Ssteve.reinhardt@amd.comYou're missing the M5 style hook. 1498879Ssteve.reinhardt@amd.comPlease install the hook so we can ensure that all code fits a common style. 1508879Ssteve.reinhardt@amd.com 1518879Ssteve.reinhardt@amd.comAll you'd need to do is add the following lines to your repository .hg/hgrc 1528879Ssteve.reinhardt@amd.comor your personal .hgrc 1538879Ssteve.reinhardt@amd.com---------------- 1548879Ssteve.reinhardt@amd.com 1558879Ssteve.reinhardt@amd.com[extensions] 1568879Ssteve.reinhardt@amd.comstyle = %s/util/style.py 1578879Ssteve.reinhardt@amd.com 1588120Sgblack@eecs.umich.edu[hooks] 1598120Sgblack@eecs.umich.edupretxncommit.style = python:style.check_whitespace 1608120Sgblack@eecs.umich.edu""" % (main.root) 1618120Sgblack@eecs.umich.edu 1628120Sgblack@eecs.umich.edumercurial_bin_not_found = """ 1638120Sgblack@eecs.umich.eduMercurial binary cannot be found, unfortunately this means that we 1648120Sgblack@eecs.umich.educannot easily determine the version of M5 that you are running and 1658120Sgblack@eecs.umich.eduthis makes error messages more difficult to collect. Please consider 1668120Sgblack@eecs.umich.eduinstalling mercurial if you choose to post an error message 1678120Sgblack@eecs.umich.edu""" 1688120Sgblack@eecs.umich.edu 1698120Sgblack@eecs.umich.edumercurial_lib_not_found = """ 1708120Sgblack@eecs.umich.eduMercurial libraries cannot be found, ignoring style hook 1718120Sgblack@eecs.umich.eduIf you are actually a M5 developer, please fix this and 1728879Ssteve.reinhardt@amd.comrun the style hook. It is important. 1738879Ssteve.reinhardt@amd.com""" 1748879Ssteve.reinhardt@amd.com 1758879Ssteve.reinhardt@amd.comhg_info = "Unknown" 17610458Sandreas.hansson@arm.comif hgdir.exists(): 17710458Sandreas.hansson@arm.com # 1) Grab repository revision if we know it. 17810458Sandreas.hansson@arm.com cmd = "hg id -n -i -t -b" 1798879Ssteve.reinhardt@amd.com try: 1808879Ssteve.reinhardt@amd.com hg_info = readCommand(cmd, cwd=main.root.abspath).strip() 1818879Ssteve.reinhardt@amd.com except OSError: 1828879Ssteve.reinhardt@amd.com print mercurial_bin_not_found 1839227Sandreas.hansson@arm.com 1849227Sandreas.hansson@arm.com # 2) Ensure that the style hook is in place. 1858879Ssteve.reinhardt@amd.com try: 1868879Ssteve.reinhardt@amd.com ui = None 1878879Ssteve.reinhardt@amd.com if ARGUMENTS.get('IGNORE_STYLE') != 'True': 1888879Ssteve.reinhardt@amd.com from mercurial import ui 18910453SAndrew.Bardsley@arm.com ui = ui.ui() 19010453SAndrew.Bardsley@arm.com except ImportError: 19110453SAndrew.Bardsley@arm.com print mercurial_lib_not_found 19210456SCurtis.Dunham@arm.com 19310456SCurtis.Dunham@arm.com if ui is not None: 19410456SCurtis.Dunham@arm.com ui.readconfig(hgdir.File('hgrc').abspath) 19510457Sandreas.hansson@arm.com style_hook = ui.config('hooks', 'pretxncommit.style', None) 19610457Sandreas.hansson@arm.com 1978120Sgblack@eecs.umich.edu if not style_hook: 1988947Sandreas.hansson@arm.com print mercurial_style_message 1997816Ssteve.reinhardt@amd.com sys.exit(1) 2005871Snate@binkert.orgelse: 2015871Snate@binkert.org print ".hg directory not found" 2026121Snate@binkert.org 2035871Snate@binkert.orgmain['HG_INFO'] = hg_info 2045871Snate@binkert.org 2059926Sstan.czerniawski@arm.com################################################### 2069926Sstan.czerniawski@arm.com# 2079119Sandreas.hansson@arm.com# Figure out which configurations to set up based on the path(s) of 20810068Sandreas.hansson@arm.com# the target(s). 20910068Sandreas.hansson@arm.com# 210955SN/A################################################### 2119416SAndreas.Sandberg@ARM.com 2129416SAndreas.Sandberg@ARM.com# Find default configuration & binary. 2139416SAndreas.Sandberg@ARM.comDefault(environ.get('M5_DEFAULT_BINARY', 'build/ALPHA_SE/m5.debug')) 2149416SAndreas.Sandberg@ARM.com 2159416SAndreas.Sandberg@ARM.com# helper function: find last occurrence of element in list 2169416SAndreas.Sandberg@ARM.comdef rfind(l, elt, offs = -1): 2179416SAndreas.Sandberg@ARM.com for i in range(len(l)+offs, 0, -1): 2185871Snate@binkert.org if l[i] == elt: 21910584Sandreas.hansson@arm.com return i 2209416SAndreas.Sandberg@ARM.com raise ValueError, "element not found" 2219416SAndreas.Sandberg@ARM.com 2225871Snate@binkert.org# Each target must have 'build' in the interior of the path; the 223955SN/A# directory below this will determine the build parameters. For 22410671Sandreas.hansson@arm.com# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we 22510671Sandreas.hansson@arm.com# recognize that ALPHA_SE specifies the configuration because it 22610671Sandreas.hansson@arm.com# follow 'build' in the bulid path. 22710671Sandreas.hansson@arm.com 2288881Smarc.orr@gmail.com# Generate absolute paths to targets so we can see where the build dir is 2296121Snate@binkert.orgif COMMAND_LINE_TARGETS: 2306121Snate@binkert.org # Ask SCons which directory it was invoked from 2311533SN/A launch_dir = GetLaunchDir() 2329239Sandreas.hansson@arm.com # Make targets relative to invocation directory 2339239Sandreas.hansson@arm.com abs_targets = [ normpath(joinpath(launch_dir, str(x))) for x in \ 2349239Sandreas.hansson@arm.com COMMAND_LINE_TARGETS] 2359239Sandreas.hansson@arm.comelse: 2369239Sandreas.hansson@arm.com # Default targets are relative to root of tree 2379239Sandreas.hansson@arm.com abs_targets = [ normpath(joinpath(main.root.abspath, str(x))) for x in \ 2389239Sandreas.hansson@arm.com DEFAULT_TARGETS] 2399239Sandreas.hansson@arm.com 2409239Sandreas.hansson@arm.com 2419239Sandreas.hansson@arm.com# Generate a list of the unique build roots and configs that the 2429239Sandreas.hansson@arm.com# collected targets reference. 2439239Sandreas.hansson@arm.comvariant_paths = [] 2446655Snate@binkert.orgbuild_root = None 2456655Snate@binkert.orgfor t in abs_targets: 2466655Snate@binkert.org path_dirs = t.split('/') 2476655Snate@binkert.org try: 2485871Snate@binkert.org build_top = rfind(path_dirs, 'build', -2) 2495871Snate@binkert.org except: 2505863Snate@binkert.org print "Error: no non-leaf 'build' dir found on target path", t 2515871Snate@binkert.org Exit(1) 2528878Ssteve.reinhardt@amd.com this_build_root = joinpath('/',*path_dirs[:build_top+1]) 2535871Snate@binkert.org if not build_root: 2545871Snate@binkert.org build_root = this_build_root 2555871Snate@binkert.org else: 2565863Snate@binkert.org if this_build_root != build_root: 2576121Snate@binkert.org print "Error: build targets not under same build root\n"\ 2585863Snate@binkert.org " %s\n %s" % (build_root, this_build_root) 2595871Snate@binkert.org Exit(1) 2608336Ssteve.reinhardt@amd.com variant_path = joinpath('/',*path_dirs[:build_top+2]) 2618336Ssteve.reinhardt@amd.com if variant_path not in variant_paths: 2628336Ssteve.reinhardt@amd.com variant_paths.append(variant_path) 2638336Ssteve.reinhardt@amd.com 2644678Snate@binkert.org# Make sure build_root exists (might not if this is the first build there) 2658336Ssteve.reinhardt@amd.comif not isdir(build_root): 2668336Ssteve.reinhardt@amd.com mkdir(build_root) 2678336Ssteve.reinhardt@amd.com 2684678Snate@binkert.orgExport('main') 2694678Snate@binkert.org 2704678Snate@binkert.orgmain.SConsignFile(joinpath(build_root, "sconsign")) 2714678Snate@binkert.org 2727827Snate@binkert.org# Default duplicate option is to use hard links, but this messes up 2737827Snate@binkert.org# when you use emacs to edit a file in the target dir, as emacs moves 2748336Ssteve.reinhardt@amd.com# file to file~ then copies to file, breaking the link. Symbolic 2754678Snate@binkert.org# (soft) links work better. 2768336Ssteve.reinhardt@amd.commain.SetOption('duplicate', 'soft-copy') 2778336Ssteve.reinhardt@amd.com 2788336Ssteve.reinhardt@amd.com# 2798336Ssteve.reinhardt@amd.com# Set up global sticky variables... these are common to an entire build 2808336Ssteve.reinhardt@amd.com# tree (not specific to a particular build like ALPHA_SE) 2818336Ssteve.reinhardt@amd.com# 2825871Snate@binkert.org 2835871Snate@binkert.org# Variable validators & converters for global sticky variables 2848336Ssteve.reinhardt@amd.comdef PathListMakeAbsolute(val): 2858336Ssteve.reinhardt@amd.com if not val: 2868336Ssteve.reinhardt@amd.com return val 2878336Ssteve.reinhardt@amd.com f = lambda p: abspath(expanduser(p)) 2888336Ssteve.reinhardt@amd.com return ':'.join(map(f, val.split(':'))) 2895871Snate@binkert.org 2908336Ssteve.reinhardt@amd.comdef PathListAllExist(key, val, env): 2918336Ssteve.reinhardt@amd.com if not val: 2928336Ssteve.reinhardt@amd.com return 2938336Ssteve.reinhardt@amd.com paths = val.split(':') 2948336Ssteve.reinhardt@amd.com for path in paths: 2954678Snate@binkert.org if not isdir(path): 2965871Snate@binkert.org raise SCons.Errors.UserError("Path does not exist: '%s'" % path) 2974678Snate@binkert.org 2988336Ssteve.reinhardt@amd.comglobal_sticky_vars_file = joinpath(build_root, 'variables.global') 2998336Ssteve.reinhardt@amd.com 3008336Ssteve.reinhardt@amd.comglobal_sticky_vars = Variables(global_sticky_vars_file, args=ARGUMENTS) 3018336Ssteve.reinhardt@amd.com 3028336Ssteve.reinhardt@amd.comglobal_sticky_vars.AddVariables( 3038336Ssteve.reinhardt@amd.com ('CC', 'C compiler', environ.get('CC', main['CC'])), 3048336Ssteve.reinhardt@amd.com ('CXX', 'C++ compiler', environ.get('CXX', main['CXX'])), 3058336Ssteve.reinhardt@amd.com ('BATCH', 'Use batch pool for build and tests', False), 3068336Ssteve.reinhardt@amd.com ('BATCH_CMD', 'Batch pool submission command name', 'qdo'), 3078336Ssteve.reinhardt@amd.com ('EXTRAS', 'Add Extra directories to the compilation', '', 3088336Ssteve.reinhardt@amd.com PathListAllExist, PathListMakeAbsolute), 3098336Ssteve.reinhardt@amd.com BoolVariable('RUBY', 'Build with Ruby', False), 3108336Ssteve.reinhardt@amd.com ) 3118336Ssteve.reinhardt@amd.com 3128336Ssteve.reinhardt@amd.com# base help text 3138336Ssteve.reinhardt@amd.comhelp_text = ''' 3148336Ssteve.reinhardt@amd.comUsage: scons [scons options] [build options] [target(s)] 3155871Snate@binkert.org 3166121Snate@binkert.orgGlobal sticky options: 317955SN/A''' 318955SN/A 3192632Sstever@eecs.umich.eduhelp_text += global_sticky_vars.GenerateHelpText(main) 3202632Sstever@eecs.umich.edu 321955SN/A# Update main environment with values from ARGUMENTS & global_sticky_vars_file 322955SN/Aglobal_sticky_vars.Update(main) 323955SN/A 324955SN/A# Save sticky variable settings back to current variables file 3258878Ssteve.reinhardt@amd.comglobal_sticky_vars.Save(global_sticky_vars_file, main) 326955SN/A 3272632Sstever@eecs.umich.edu# Parse EXTRAS variable to build list of all directories where we're 3282632Sstever@eecs.umich.edu# look for sources etc. This list is exported as base_dir_list. 3292632Sstever@eecs.umich.edubase_dir = main.srcdir.abspath 3302632Sstever@eecs.umich.eduif main['EXTRAS']: 3312632Sstever@eecs.umich.edu extras_dir_list = main['EXTRAS'].split(':') 3322632Sstever@eecs.umich.eduelse: 3332632Sstever@eecs.umich.edu extras_dir_list = [] 3348268Ssteve.reinhardt@amd.com 3358268Ssteve.reinhardt@amd.comExport('base_dir') 3368268Ssteve.reinhardt@amd.comExport('extras_dir_list') 3378268Ssteve.reinhardt@amd.com 3388268Ssteve.reinhardt@amd.com# the ext directory should be on the #includes path 3398268Ssteve.reinhardt@amd.commain.Append(CPPPATH=[Dir('ext')]) 3408268Ssteve.reinhardt@amd.com 3412632Sstever@eecs.umich.edu# M5_PLY is used by isa_parser.py to find the PLY package. 3422632Sstever@eecs.umich.edumain.Append(ENV = { 'M5_PLY' : Dir('ext/ply').abspath }) 3432632Sstever@eecs.umich.edu 3442632Sstever@eecs.umich.eduCXX_version = readCommand([main['CXX'],'--version'], exception=False) 3458268Ssteve.reinhardt@amd.comCXX_V = readCommand([main['CXX'],'-V'], exception=False) 3462632Sstever@eecs.umich.edu 3478268Ssteve.reinhardt@amd.commain['GCC'] = CXX_version and CXX_version.find('g++') >= 0 3488268Ssteve.reinhardt@amd.commain['SUNCC'] = CXX_V and CXX_V.find('Sun C++') >= 0 3498268Ssteve.reinhardt@amd.commain['ICC'] = CXX_V and CXX_V.find('Intel') >= 0 3508268Ssteve.reinhardt@amd.comif main['GCC'] + main['SUNCC'] + main['ICC'] > 1: 3513718Sstever@eecs.umich.edu print 'Error: How can we have two at the same time?' 3522634Sstever@eecs.umich.edu Exit(1) 3532634Sstever@eecs.umich.edu 3545863Snate@binkert.org# Set up default C++ compiler flags 3552638Sstever@eecs.umich.eduif main['GCC']: 3568268Ssteve.reinhardt@amd.com main.Append(CCFLAGS='-pipe') 3572632Sstever@eecs.umich.edu main.Append(CCFLAGS='-fno-strict-aliasing') 3582632Sstever@eecs.umich.edu main.Append(CCFLAGS=['-Wall', '-Wno-sign-compare', '-Wundef']) 3592632Sstever@eecs.umich.edu main.Append(CXXFLAGS='-Wno-deprecated') 3602632Sstever@eecs.umich.eduelif main['ICC']: 3612632Sstever@eecs.umich.edu pass #Fix me... add warning flags once we clean up icc warnings 3621858SN/Aelif main['SUNCC']: 3633716Sstever@eecs.umich.edu main.Append(CCFLAGS='-Qoption ccfe') 3642638Sstever@eecs.umich.edu main.Append(CCFLAGS='-features=gcc') 3652638Sstever@eecs.umich.edu main.Append(CCFLAGS='-features=extensions') 3662638Sstever@eecs.umich.edu main.Append(CCFLAGS='-library=stlport4') 3672638Sstever@eecs.umich.edu main.Append(CCFLAGS='-xar') 3682638Sstever@eecs.umich.edu #main.Append(CCFLAGS='-instances=semiexplicit') 3692638Sstever@eecs.umich.eduelse: 3702638Sstever@eecs.umich.edu print 'Error: Don\'t know what compiler options to use for your compiler.' 3715863Snate@binkert.org print ' Please fix SConstruct and src/SConscript and try again.' 3725863Snate@binkert.org Exit(1) 3735863Snate@binkert.org 374955SN/A# Set up common yacc/bison flags (needed for Ruby) 3755341Sstever@gmail.commain['YACCFLAGS'] = '-d' 3765341Sstever@gmail.commain['YACCHXXFILESUFFIX'] = '.hh' 3775863Snate@binkert.org 3787756SAli.Saidi@ARM.com# Do this after we save setting back, or else we'll tack on an 3795341Sstever@gmail.com# extra 'qdo' every time we run scons. 3806121Snate@binkert.orgif main['BATCH']: 3814494Ssaidi@eecs.umich.edu main['CC'] = main['BATCH_CMD'] + ' ' + main['CC'] 3826121Snate@binkert.org main['CXX'] = main['BATCH_CMD'] + ' ' + main['CXX'] 3831105SN/A main['AS'] = main['BATCH_CMD'] + ' ' + main['AS'] 3842667Sstever@eecs.umich.edu main['AR'] = main['BATCH_CMD'] + ' ' + main['AR'] 3852667Sstever@eecs.umich.edu main['RANLIB'] = main['BATCH_CMD'] + ' ' + main['RANLIB'] 3862667Sstever@eecs.umich.edu 3872667Sstever@eecs.umich.eduif sys.platform == 'cygwin': 3886121Snate@binkert.org # cygwin has some header file issues... 3892667Sstever@eecs.umich.edu main.Append(CCFLAGS=Split("-Wno-uninitialized")) 3905341Sstever@gmail.com 3915863Snate@binkert.org# Check for SWIG 3925341Sstever@gmail.comif not main.has_key('SWIG'): 3935341Sstever@gmail.com print 'Error: SWIG utility not found.' 3945341Sstever@gmail.com print ' Please install (see http://www.swig.org) and retry.' 3958120Sgblack@eecs.umich.edu Exit(1) 3965341Sstever@gmail.com 3978120Sgblack@eecs.umich.edu# Check for appropriate SWIG version 3985341Sstever@gmail.comswig_version = readCommand(('swig', '-version'), exception='').split() 3998120Sgblack@eecs.umich.edu# First 3 words should be "SWIG Version x.y.z" 4006121Snate@binkert.orgif len(swig_version) < 3 or \ 4016121Snate@binkert.org swig_version[0] != 'SWIG' or swig_version[1] != 'Version': 4028980Ssteve.reinhardt@amd.com print 'Error determining SWIG version.' 4039396Sandreas.hansson@arm.com Exit(1) 4045397Ssaidi@eecs.umich.edu 4055397Ssaidi@eecs.umich.edumin_swig_version = '1.3.28' 4067727SAli.Saidi@ARM.comif compareVersions(swig_version[2], min_swig_version) < 0: 4078268Ssteve.reinhardt@amd.com print 'Error: SWIG version', min_swig_version, 'or newer required.' 4086168Snate@binkert.org print ' Installed version:', swig_version[2] 4095341Sstever@gmail.com Exit(1) 4108120Sgblack@eecs.umich.edu 4118120Sgblack@eecs.umich.edu# Set up SWIG flags & scanner 4128120Sgblack@eecs.umich.eduswig_flags=Split('-c++ -python -modern -templatereduce $_CPPINCFLAGS') 4136814Sgblack@eecs.umich.edumain.Append(SWIGFLAGS=swig_flags) 4145863Snate@binkert.org 4158120Sgblack@eecs.umich.edu# filter out all existing swig scanners, they mess up the dependency 4165341Sstever@gmail.com# stuff for some reason 4175863Snate@binkert.orgscanners = [] 4188268Ssteve.reinhardt@amd.comfor scanner in main['SCANNERS']: 4196121Snate@binkert.org skeys = scanner.skeys 4206121Snate@binkert.org if skeys == '.i': 4218268Ssteve.reinhardt@amd.com continue 4225742Snate@binkert.org 4235742Snate@binkert.org if isinstance(skeys, (list, tuple)) and '.i' in skeys: 4245341Sstever@gmail.com continue 4255742Snate@binkert.org 4265742Snate@binkert.org scanners.append(scanner) 4275341Sstever@gmail.com 4286017Snate@binkert.org# add the new swig scanner that we like better 4296121Snate@binkert.orgfrom SCons.Scanner import ClassicCPP as CPPScanner 4306017Snate@binkert.orgswig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")' 4317816Ssteve.reinhardt@amd.comscanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re)) 4327756SAli.Saidi@ARM.com 4337756SAli.Saidi@ARM.com# replace the scanners list that has what we want 4347756SAli.Saidi@ARM.commain['SCANNERS'] = scanners 4357756SAli.Saidi@ARM.com 4367756SAli.Saidi@ARM.com# Add a custom Check function to the Configure context so that we can 4377756SAli.Saidi@ARM.com# figure out if the compiler adds leading underscores to global 4387756SAli.Saidi@ARM.com# variables. This is needed for the autogenerated asm files that we 4397756SAli.Saidi@ARM.com# use for embedding the python code. 4407816Ssteve.reinhardt@amd.comdef CheckLeading(context): 4417816Ssteve.reinhardt@amd.com context.Message("Checking for leading underscore in global variables...") 4427816Ssteve.reinhardt@amd.com # 1) Define a global variable called x from asm so the C compiler 4437816Ssteve.reinhardt@amd.com # won't change the symbol at all. 4447816Ssteve.reinhardt@amd.com # 2) Declare that variable. 4457816Ssteve.reinhardt@amd.com # 3) Use the variable 4467816Ssteve.reinhardt@amd.com # 4477816Ssteve.reinhardt@amd.com # If the compiler prepends an underscore, this will successfully 4487816Ssteve.reinhardt@amd.com # link because the external symbol 'x' will be called '_x' which 4497816Ssteve.reinhardt@amd.com # was defined by the asm statement. If the compiler does not 4507756SAli.Saidi@ARM.com # prepend an underscore, this will not successfully link because 4517816Ssteve.reinhardt@amd.com # '_x' will have been defined by assembly, while the C portion of 4527816Ssteve.reinhardt@amd.com # the code will be trying to use 'x' 4537816Ssteve.reinhardt@amd.com ret = context.TryLink(''' 4547816Ssteve.reinhardt@amd.com asm(".globl _x; _x: .byte 0"); 4557816Ssteve.reinhardt@amd.com extern int x; 4567816Ssteve.reinhardt@amd.com int main() { return x; } 4577816Ssteve.reinhardt@amd.com ''', extension=".c") 4587816Ssteve.reinhardt@amd.com context.env.Append(LEADING_UNDERSCORE=ret) 4597816Ssteve.reinhardt@amd.com context.Result(ret) 4607816Ssteve.reinhardt@amd.com return ret 4617816Ssteve.reinhardt@amd.com 4627816Ssteve.reinhardt@amd.com# Platform-specific configuration. Note again that we assume that all 4637816Ssteve.reinhardt@amd.com# builds under a given build root run on the same host platform. 4647816Ssteve.reinhardt@amd.comconf = Configure(main, 4657816Ssteve.reinhardt@amd.com conf_dir = joinpath(build_root, '.scons_config'), 4667816Ssteve.reinhardt@amd.com log_file = joinpath(build_root, 'scons_config.log'), 4677816Ssteve.reinhardt@amd.com custom_tests = { 'CheckLeading' : CheckLeading }) 4687816Ssteve.reinhardt@amd.com 4697816Ssteve.reinhardt@amd.com# Check for leading underscores. Don't really need to worry either 4707816Ssteve.reinhardt@amd.com# way so don't need to check the return code. 4717816Ssteve.reinhardt@amd.comconf.CheckLeading() 4727816Ssteve.reinhardt@amd.com 4737816Ssteve.reinhardt@amd.com# Check if we should compile a 64 bit binary on Mac OS X/Darwin 4747816Ssteve.reinhardt@amd.comtry: 4757816Ssteve.reinhardt@amd.com import platform 4767816Ssteve.reinhardt@amd.com uname = platform.uname() 4777816Ssteve.reinhardt@amd.com if uname[0] == 'Darwin' and compareVersions(uname[2], '9.0.0') >= 0: 4787816Ssteve.reinhardt@amd.com if int(readCommand('sysctl -n hw.cpu64bit_capable')[0]): 4797816Ssteve.reinhardt@amd.com main.Append(CCFLAGS='-arch x86_64') 4807816Ssteve.reinhardt@amd.com main.Append(CFLAGS='-arch x86_64') 4817816Ssteve.reinhardt@amd.com main.Append(LINKFLAGS='-arch x86_64') 4827816Ssteve.reinhardt@amd.com main.Append(ASFLAGS='-arch x86_64') 4837816Ssteve.reinhardt@amd.comexcept: 4847816Ssteve.reinhardt@amd.com pass 4857816Ssteve.reinhardt@amd.com 4867816Ssteve.reinhardt@amd.com# Recent versions of scons substitute a "Null" object for Configure() 4877816Ssteve.reinhardt@amd.com# when configuration isn't necessary, e.g., if the "--help" option is 4887816Ssteve.reinhardt@amd.com# present. Unfortuantely this Null object always returns false, 4897816Ssteve.reinhardt@amd.com# breaking all our configuration checks. We replace it with our own 4907816Ssteve.reinhardt@amd.com# more optimistic null object that returns True instead. 4917816Ssteve.reinhardt@amd.comif not conf: 4927816Ssteve.reinhardt@amd.com def NullCheck(*args, **kwargs): 4937816Ssteve.reinhardt@amd.com return True 4947816Ssteve.reinhardt@amd.com 4957816Ssteve.reinhardt@amd.com class NullConf: 4967816Ssteve.reinhardt@amd.com def __init__(self, env): 4977816Ssteve.reinhardt@amd.com self.env = env 4987816Ssteve.reinhardt@amd.com def Finish(self): 4997816Ssteve.reinhardt@amd.com return self.env 5007816Ssteve.reinhardt@amd.com def __getattr__(self, mname): 5017816Ssteve.reinhardt@amd.com return NullCheck 5027816Ssteve.reinhardt@amd.com 5037816Ssteve.reinhardt@amd.com conf = NullConf(main) 5047816Ssteve.reinhardt@amd.com 5057816Ssteve.reinhardt@amd.com# Find Python include and library directories for embedding the 5067816Ssteve.reinhardt@amd.com# interpreter. For consistency, we will use the same Python 5077816Ssteve.reinhardt@amd.com# installation used to run scons (and thus this script). If you want 5087816Ssteve.reinhardt@amd.com# to link in an alternate version, see above for instructions on how 5097816Ssteve.reinhardt@amd.com# to invoke scons with a different copy of the Python interpreter. 5107816Ssteve.reinhardt@amd.comfrom distutils import sysconfig 5117816Ssteve.reinhardt@amd.com 5128947Sandreas.hansson@arm.compy_getvar = sysconfig.get_config_var 5138947Sandreas.hansson@arm.com 5147756SAli.Saidi@ARM.compy_version = 'python' + py_getvar('VERSION') 5158120Sgblack@eecs.umich.edu 5167756SAli.Saidi@ARM.compy_general_include = sysconfig.get_python_inc() 5177756SAli.Saidi@ARM.compy_platform_include = sysconfig.get_python_inc(plat_specific=True) 5187756SAli.Saidi@ARM.compy_includes = [ py_general_include ] 5197756SAli.Saidi@ARM.comif py_platform_include != py_general_include: 5207816Ssteve.reinhardt@amd.com py_includes.append(py_platform_include) 5217816Ssteve.reinhardt@amd.com 5227816Ssteve.reinhardt@amd.compy_lib_path = [ py_getvar('LIBDIR') ] 5237816Ssteve.reinhardt@amd.com# add the prefix/lib/pythonX.Y/config dir, but only if there is no 5247816Ssteve.reinhardt@amd.com# shared library in prefix/lib/. 5257816Ssteve.reinhardt@amd.comif not py_getvar('Py_ENABLE_SHARED'): 5267816Ssteve.reinhardt@amd.com py_lib_path.append(py_getvar('LIBPL')) 5277816Ssteve.reinhardt@amd.com 5287816Ssteve.reinhardt@amd.compy_libs = [] 5297816Ssteve.reinhardt@amd.comfor lib in py_getvar('LIBS').split() + py_getvar('SYSLIBS').split(): 5307756SAli.Saidi@ARM.com assert lib.startswith('-l') 5317756SAli.Saidi@ARM.com lib = lib[2:] 5329227Sandreas.hansson@arm.com if lib not in py_libs: 5339227Sandreas.hansson@arm.com py_libs.append(lib) 5349227Sandreas.hansson@arm.compy_libs.append(py_version) 5359227Sandreas.hansson@arm.com 5369590Sandreas@sandberg.pp.semain.Append(CPPPATH=py_includes) 5379590Sandreas@sandberg.pp.semain.Append(LIBPATH=py_lib_path) 5389590Sandreas@sandberg.pp.se 5399590Sandreas@sandberg.pp.se# verify that this stuff works 5409590Sandreas@sandberg.pp.seif not conf.CheckHeader('Python.h', '<>'): 5419590Sandreas@sandberg.pp.se print "Error: can't find Python.h header in", py_includes 5426654Snate@binkert.org Exit(1) 5436654Snate@binkert.org 5445871Snate@binkert.orgfor lib in py_libs: 5456121Snate@binkert.org if not conf.CheckLib(lib): 5468946Sandreas.hansson@arm.com print "Error: can't find library %s required by python" % lib 5479419Sandreas.hansson@arm.com Exit(1) 5483940Ssaidi@eecs.umich.edu 5493918Ssaidi@eecs.umich.edu# On Solaris you need to use libsocket for socket ops 5503918Ssaidi@eecs.umich.eduif not conf.CheckLibWithHeader(None, 'sys/socket.h', 'C++', 'accept(0,0,0);'): 5511858SN/A if not conf.CheckLibWithHeader('socket', 'sys/socket.h', 'C++', 'accept(0,0,0);'): 5529556Sandreas.hansson@arm.com print "Can't find library with socket calls (e.g. accept())" 5539556Sandreas.hansson@arm.com Exit(1) 5549556Sandreas.hansson@arm.com 5559556Sandreas.hansson@arm.com# Check for zlib. If the check passes, libz will be automatically 5569556Sandreas.hansson@arm.com# added to the LIBS environment variable. 5579556Sandreas.hansson@arm.comif not conf.CheckLibWithHeader('z', 'zlib.h', 'C++','zlibVersion();'): 5589556Sandreas.hansson@arm.com print 'Error: did not find needed zlib compression library '\ 55910878Sandreas.hansson@arm.com 'and/or zlib.h header file.' 56010878Sandreas.hansson@arm.com print ' Please install zlib and try again.' 5619556Sandreas.hansson@arm.com Exit(1) 5629556Sandreas.hansson@arm.com 5639556Sandreas.hansson@arm.com# Check for <fenv.h> (C99 FP environment control) 5649556Sandreas.hansson@arm.comhave_fenv = conf.CheckHeader('fenv.h', '<>') 5659556Sandreas.hansson@arm.comif not have_fenv: 5669556Sandreas.hansson@arm.com print "Warning: Header file <fenv.h> not found." 5679556Sandreas.hansson@arm.com print " This host has no IEEE FP rounding mode control." 5689556Sandreas.hansson@arm.com 5699556Sandreas.hansson@arm.com###################################################################### 5709556Sandreas.hansson@arm.com# 5719556Sandreas.hansson@arm.com# Check for mysql. 5729556Sandreas.hansson@arm.com# 5739556Sandreas.hansson@arm.commysql_config = WhereIs('mysql_config') 5749556Sandreas.hansson@arm.comhave_mysql = bool(mysql_config) 5759556Sandreas.hansson@arm.com 5769556Sandreas.hansson@arm.com# Check MySQL version. 5779556Sandreas.hansson@arm.comif have_mysql: 5789556Sandreas.hansson@arm.com mysql_version = readCommand(mysql_config + ' --version') 5799556Sandreas.hansson@arm.com min_mysql_version = '4.1' 5809556Sandreas.hansson@arm.com if compareVersions(mysql_version, min_mysql_version) < 0: 5819556Sandreas.hansson@arm.com print 'Warning: MySQL', min_mysql_version, 'or newer required.' 5829556Sandreas.hansson@arm.com print ' Version', mysql_version, 'detected.' 5836121Snate@binkert.org have_mysql = False 58410878Sandreas.hansson@arm.com 58510238Sandreas.hansson@arm.com# Set up mysql_config commands. 58610878Sandreas.hansson@arm.comif have_mysql: 5879420Sandreas.hansson@arm.com mysql_config_include = mysql_config + ' --include' 58810878Sandreas.hansson@arm.com if os.system(mysql_config_include + ' > /dev/null') != 0: 58910878Sandreas.hansson@arm.com # older mysql_config versions don't support --include, use 5909420Sandreas.hansson@arm.com # --cflags instead 5919420Sandreas.hansson@arm.com mysql_config_include = mysql_config + ' --cflags | sed s/\\\'//g' 5929420Sandreas.hansson@arm.com # This seems to work in all versions 5939420Sandreas.hansson@arm.com mysql_config_libs = mysql_config + ' --libs' 5949420Sandreas.hansson@arm.com 59510264Sandreas.hansson@arm.com###################################################################### 59610264Sandreas.hansson@arm.com# 59710264Sandreas.hansson@arm.com# Finish the configuration 59810264Sandreas.hansson@arm.com# 59910264Sandreas.hansson@arm.commain = conf.Finish() 60010866Sandreas.hansson@arm.com 60110866Sandreas.hansson@arm.com###################################################################### 60210264Sandreas.hansson@arm.com# 60310866Sandreas.hansson@arm.com# Collect all non-global variables 60410866Sandreas.hansson@arm.com# 60510866Sandreas.hansson@arm.com 60610866Sandreas.hansson@arm.com# Define the universe of supported ISAs 60710866Sandreas.hansson@arm.comall_isa_list = [ ] 60810866Sandreas.hansson@arm.comExport('all_isa_list') 60910866Sandreas.hansson@arm.com 61010264Sandreas.hansson@arm.com# Define the universe of supported CPU models 61110264Sandreas.hansson@arm.comall_cpu_list = [ ] 61210264Sandreas.hansson@arm.comdefault_cpus = [ ] 61310264Sandreas.hansson@arm.comExport('all_cpu_list', 'default_cpus') 61410264Sandreas.hansson@arm.com 61510264Sandreas.hansson@arm.com# Sticky variables get saved in the variables file so they persist from 61610264Sandreas.hansson@arm.com# one invocation to the next (unless overridden, in which case the new 61710457Sandreas.hansson@arm.com# value becomes sticky). 61810457Sandreas.hansson@arm.comsticky_vars = Variables(args=ARGUMENTS) 61910457Sandreas.hansson@arm.comExport('sticky_vars') 62010457Sandreas.hansson@arm.com 62110457Sandreas.hansson@arm.com# Sticky variables that should be exported 62210457Sandreas.hansson@arm.comexport_vars = [] 62310457Sandreas.hansson@arm.comExport('export_vars') 62410457Sandreas.hansson@arm.com 62510457Sandreas.hansson@arm.com# Non-sticky variables only apply to the current build. 62610238Sandreas.hansson@arm.comnonsticky_vars = Variables(args=ARGUMENTS) 62710238Sandreas.hansson@arm.comExport('nonsticky_vars') 62810238Sandreas.hansson@arm.com 62910238Sandreas.hansson@arm.com# Walk the tree and execute all SConsopts scripts that wil add to the 63010238Sandreas.hansson@arm.com# above variables 63110238Sandreas.hansson@arm.comfor bdir in [ base_dir ] + extras_dir_list: 63210416Sandreas.hansson@arm.com for root, dirs, files in os.walk(bdir): 63310238Sandreas.hansson@arm.com if 'SConsopts' in files: 6349227Sandreas.hansson@arm.com print "Reading", joinpath(root, 'SConsopts') 63510238Sandreas.hansson@arm.com SConscript(joinpath(root, 'SConsopts')) 63610416Sandreas.hansson@arm.com 63710416Sandreas.hansson@arm.comall_isa_list.sort() 6389227Sandreas.hansson@arm.comall_cpu_list.sort() 6399590Sandreas@sandberg.pp.sedefault_cpus.sort() 6409590Sandreas@sandberg.pp.se 6419590Sandreas@sandberg.pp.sesticky_vars.AddVariables( 6428737Skoansin.tan@gmail.com EnumVariable('TARGET_ISA', 'Target ISA', 'alpha', all_isa_list), 64310878Sandreas.hansson@arm.com BoolVariable('FULL_SYSTEM', 'Full-system support', False), 64410878Sandreas.hansson@arm.com ListVariable('CPU_MODELS', 'CPU models', default_cpus, all_cpu_list), 6459420Sandreas.hansson@arm.com BoolVariable('NO_FAST_ALLOC', 'Disable fast object allocator', False), 6468737Skoansin.tan@gmail.com BoolVariable('FAST_ALLOC_DEBUG', 'Enable fast object allocator debugging', 64710106SMitch.Hayenga@arm.com False), 6488737Skoansin.tan@gmail.com BoolVariable('FAST_ALLOC_STATS', 'Enable fast object allocator statistics', 6498737Skoansin.tan@gmail.com False), 65010878Sandreas.hansson@arm.com BoolVariable('EFENCE', 'Link with Electric Fence malloc debugger', 65110878Sandreas.hansson@arm.com False), 6528737Skoansin.tan@gmail.com BoolVariable('SS_COMPATIBLE_FP', 6538737Skoansin.tan@gmail.com 'Make floating-point results compatible with SimpleScalar', 6548737Skoansin.tan@gmail.com False), 6558737Skoansin.tan@gmail.com BoolVariable('USE_SSE2', 6568737Skoansin.tan@gmail.com 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', 6578737Skoansin.tan@gmail.com False), 6589556Sandreas.hansson@arm.com BoolVariable('USE_MYSQL', 'Use MySQL for stats output', have_mysql), 6599556Sandreas.hansson@arm.com BoolVariable('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), 6609556Sandreas.hansson@arm.com BoolVariable('USE_CHECKER', 'Use checker for detailed CPU models', False), 6619556Sandreas.hansson@arm.com BoolVariable('CP_ANNOTATE', 'Enable critical path annotation capability', False), 6629556Sandreas.hansson@arm.com ) 6639556Sandreas.hansson@arm.com 6649556Sandreas.hansson@arm.comnonsticky_vars.AddVariables( 6659556Sandreas.hansson@arm.com BoolVariable('update_ref', 'Update test reference outputs', False) 66610278SAndreas.Sandberg@ARM.com ) 66710278SAndreas.Sandberg@ARM.com 66810278SAndreas.Sandberg@ARM.com# These variables get exported to #defines in config/*.hh (see src/SConscript). 66910278SAndreas.Sandberg@ARM.comexport_vars += ['FULL_SYSTEM', 'USE_FENV', 'USE_MYSQL', 67010278SAndreas.Sandberg@ARM.com 'NO_FAST_ALLOC', 'FAST_ALLOC_DEBUG', 'FAST_ALLOC_STATS', 67110278SAndreas.Sandberg@ARM.com 'SS_COMPATIBLE_FP', 'USE_CHECKER', 'TARGET_ISA', 'CP_ANNOTATE'] 6729556Sandreas.hansson@arm.com 6739590Sandreas@sandberg.pp.se################################################### 6749590Sandreas@sandberg.pp.se# 6759420Sandreas.hansson@arm.com# Define a SCons builder for configuration flag headers. 6769846Sandreas.hansson@arm.com# 6779846Sandreas.hansson@arm.com################################################### 6789846Sandreas.hansson@arm.com 6799846Sandreas.hansson@arm.com# This function generates a config header file that #defines the 6808946Sandreas.hansson@arm.com# variable symbol to the current variable setting (0 or 1). The source 6813918Ssaidi@eecs.umich.edu# operands are the name of the variable and a Value node containing the 6829068SAli.Saidi@ARM.com# value of the variable. 6839068SAli.Saidi@ARM.comdef build_config_file(target, source, env): 6849068SAli.Saidi@ARM.com (variable, value) = [s.get_contents() for s in source] 6859068SAli.Saidi@ARM.com f = file(str(target[0]), 'w') 6869068SAli.Saidi@ARM.com print >> f, '#define', variable, value 6879068SAli.Saidi@ARM.com f.close() 6889068SAli.Saidi@ARM.com return None 6899068SAli.Saidi@ARM.com 6909068SAli.Saidi@ARM.com# Generate the message to be printed when building the config file. 6919419Sandreas.hansson@arm.comdef build_config_file_string(target, source, env): 6929068SAli.Saidi@ARM.com (variable, value) = [s.get_contents() for s in source] 6939068SAli.Saidi@ARM.com return "Defining %s as %s in %s." % (variable, value, target[0]) 6949068SAli.Saidi@ARM.com 6959068SAli.Saidi@ARM.com# Combine the two functions into a scons Action object. 6969068SAli.Saidi@ARM.comconfig_action = Action(build_config_file, build_config_file_string) 6979068SAli.Saidi@ARM.com 6983918Ssaidi@eecs.umich.edu# The emitter munges the source & target node lists to reflect what 6993918Ssaidi@eecs.umich.edu# we're really doing. 7006157Snate@binkert.orgdef config_emitter(target, source, env): 7016157Snate@binkert.org # extract variable name from Builder arg 7026157Snate@binkert.org variable = str(target[0]) 7036157Snate@binkert.org # True target is config header file 7045397Ssaidi@eecs.umich.edu target = joinpath('config', variable.lower() + '.hh') 7055397Ssaidi@eecs.umich.edu val = env[variable] 7066121Snate@binkert.org if isinstance(val, bool): 7076121Snate@binkert.org # Force value to 0/1 7086121Snate@binkert.org val = int(val) 7096121Snate@binkert.org elif isinstance(val, str): 7106121Snate@binkert.org val = '"' + val + '"' 7116121Snate@binkert.org 7125397Ssaidi@eecs.umich.edu # Sources are variable name & value (packaged in SCons Value nodes) 7131851SN/A return ([target], [Value(variable), Value(val)]) 7141851SN/A 7157739Sgblack@eecs.umich.educonfig_builder = Builder(emitter = config_emitter, action = config_action) 716955SN/A 7179396Sandreas.hansson@arm.commain.Append(BUILDERS = { 'ConfigFile' : config_builder }) 7189396Sandreas.hansson@arm.com 7199396Sandreas.hansson@arm.com# libelf build is shared across all configs in the build root. 7209396Sandreas.hansson@arm.commain.SConscript('ext/libelf/SConscript', 7219396Sandreas.hansson@arm.com variant_dir = joinpath(build_root, 'libelf')) 7229396Sandreas.hansson@arm.com 7239396Sandreas.hansson@arm.com# gzstream build is shared across all configs in the build root. 7249396Sandreas.hansson@arm.commain.SConscript('ext/gzstream/SConscript', 7259396Sandreas.hansson@arm.com variant_dir = joinpath(build_root, 'gzstream')) 7269396Sandreas.hansson@arm.com 7279396Sandreas.hansson@arm.com################################################### 7289396Sandreas.hansson@arm.com# 7299396Sandreas.hansson@arm.com# This function is used to set up a directory with switching headers 7309396Sandreas.hansson@arm.com# 7319396Sandreas.hansson@arm.com################################################### 7329396Sandreas.hansson@arm.com 7339477Sandreas.hansson@arm.commain['ALL_ISA_LIST'] = all_isa_list 7349477Sandreas.hansson@arm.comdef make_switching_dir(dname, switch_headers, env): 7359477Sandreas.hansson@arm.com # Generate the header. target[0] is the full path of the output 7369477Sandreas.hansson@arm.com # header to generate. 'source' is a dummy variable, since we get the 7379477Sandreas.hansson@arm.com # list of ISAs from env['ALL_ISA_LIST']. 7389477Sandreas.hansson@arm.com def gen_switch_hdr(target, source, env): 7399477Sandreas.hansson@arm.com fname = str(target[0]) 7409477Sandreas.hansson@arm.com bname = basename(fname) 7419477Sandreas.hansson@arm.com f = open(fname, 'w') 7429477Sandreas.hansson@arm.com f.write('#include "arch/isa_specific.hh"\n') 7439477Sandreas.hansson@arm.com cond = '#if' 7449477Sandreas.hansson@arm.com for isa in all_isa_list: 7459477Sandreas.hansson@arm.com f.write('%s THE_ISA == %s_ISA\n#include "%s/%s/%s"\n' 7469477Sandreas.hansson@arm.com % (cond, isa.upper(), dname, isa, bname)) 7479477Sandreas.hansson@arm.com cond = '#elif' 7489477Sandreas.hansson@arm.com f.write('#else\n#error "THE_ISA not set"\n#endif\n') 7499477Sandreas.hansson@arm.com f.close() 7509477Sandreas.hansson@arm.com return 0 7519477Sandreas.hansson@arm.com 7529477Sandreas.hansson@arm.com # String to print when generating header 7539477Sandreas.hansson@arm.com def gen_switch_hdr_string(target, source, env): 7549477Sandreas.hansson@arm.com return "Generating switch header " + str(target[0]) 7559396Sandreas.hansson@arm.com 7563053Sstever@eecs.umich.edu # Build SCons Action object. 'varlist' specifies env vars that this 7576121Snate@binkert.org # action depends on; when env['ALL_ISA_LIST'] changes these actions 7583053Sstever@eecs.umich.edu # should get re-executed. 7593053Sstever@eecs.umich.edu switch_hdr_action = Action(gen_switch_hdr, gen_switch_hdr_string, 7603053Sstever@eecs.umich.edu varlist=['ALL_ISA_LIST']) 7613053Sstever@eecs.umich.edu 7623053Sstever@eecs.umich.edu # Instantiate actions for each header 7639072Sandreas.hansson@arm.com for hdr in switch_headers: 7643053Sstever@eecs.umich.edu env.Command(hdr, [], switch_hdr_action) 7654742Sstever@eecs.umich.eduExport('make_switching_dir') 7664742Sstever@eecs.umich.edu 7673053Sstever@eecs.umich.edu################################################### 7683053Sstever@eecs.umich.edu# 7693053Sstever@eecs.umich.edu# Define build environments for selected configurations. 77010181SCurtis.Dunham@arm.com# 7716654Snate@binkert.org################################################### 7723053Sstever@eecs.umich.edu 7733053Sstever@eecs.umich.edufor variant_path in variant_paths: 7743053Sstever@eecs.umich.edu print "Building in", variant_path 7753053Sstever@eecs.umich.edu 77610425Sandreas.hansson@arm.com # Make a copy of the build-root environment to use for this config. 77710425Sandreas.hansson@arm.com env = main.Clone() 77810425Sandreas.hansson@arm.com env['BUILDDIR'] = variant_path 77910425Sandreas.hansson@arm.com 78010425Sandreas.hansson@arm.com # variant_dir is the tail component of build path, and is used to 78110425Sandreas.hansson@arm.com # determine the build parameters (e.g., 'ALPHA_SE') 78210425Sandreas.hansson@arm.com (build_root, variant_dir) = splitpath(variant_path) 78310425Sandreas.hansson@arm.com 78410425Sandreas.hansson@arm.com # Set env variables according to the build directory config. 78510425Sandreas.hansson@arm.com sticky_vars.files = [] 78610425Sandreas.hansson@arm.com # Variables for $BUILD_ROOT/$VARIANT_DIR are stored in 7872667Sstever@eecs.umich.edu # $BUILD_ROOT/variables/$VARIANT_DIR so you can nuke 7884554Sbinkertn@umich.edu # $BUILD_ROOT/$VARIANT_DIR without losing your variables settings. 7896121Snate@binkert.org current_vars_file = joinpath(build_root, 'variables', variant_dir) 7902667Sstever@eecs.umich.edu if isfile(current_vars_file): 79110710Sandreas.hansson@arm.com sticky_vars.files.append(current_vars_file) 79210710Sandreas.hansson@arm.com print "Using saved variables file %s" % current_vars_file 79310710Sandreas.hansson@arm.com else: 79410710Sandreas.hansson@arm.com # Build dir-specific variables file doesn't exist. 79510710Sandreas.hansson@arm.com 79610710Sandreas.hansson@arm.com # Make sure the directory is there so we can create it later 79710710Sandreas.hansson@arm.com opt_dir = dirname(current_vars_file) 79810710Sandreas.hansson@arm.com if not isdir(opt_dir): 79910710Sandreas.hansson@arm.com mkdir(opt_dir) 80010384SCurtis.Dunham@arm.com 8014554Sbinkertn@umich.edu # Get default build variables from source tree. Variables are 8024554Sbinkertn@umich.edu # normally determined by name of $VARIANT_DIR, but can be 8034554Sbinkertn@umich.edu # overriden by 'default=' arg on command line. 8046121Snate@binkert.org default_vars_file = joinpath('build_opts', 8054554Sbinkertn@umich.edu ARGUMENTS.get('default', variant_dir)) 8064554Sbinkertn@umich.edu if isfile(default_vars_file): 8074554Sbinkertn@umich.edu sticky_vars.files.append(default_vars_file) 8084781Snate@binkert.org print "Variables file %s not found,\n using defaults in %s" \ 8094554Sbinkertn@umich.edu % (current_vars_file, default_vars_file) 8104554Sbinkertn@umich.edu else: 8112667Sstever@eecs.umich.edu print "Error: cannot find variables file %s or %s" \ 8124554Sbinkertn@umich.edu % (current_vars_file, default_vars_file) 8134554Sbinkertn@umich.edu Exit(1) 8144554Sbinkertn@umich.edu 8154554Sbinkertn@umich.edu # Apply current variable settings to env 8162667Sstever@eecs.umich.edu sticky_vars.Update(env) 8174554Sbinkertn@umich.edu nonsticky_vars.Update(env) 8182667Sstever@eecs.umich.edu 8194554Sbinkertn@umich.edu help_text += "\nSticky variables for %s:\n" % variant_dir \ 8206121Snate@binkert.org + sticky_vars.GenerateHelpText(env) \ 8212667Sstever@eecs.umich.edu + "\nNon-sticky variables for %s:\n" % variant_dir \ 8225522Snate@binkert.org + nonsticky_vars.GenerateHelpText(env) 8235522Snate@binkert.org 8245522Snate@binkert.org # Process variable settings. 8255522Snate@binkert.org 8265522Snate@binkert.org if not have_fenv and env['USE_FENV']: 8275522Snate@binkert.org print "Warning: <fenv.h> not available; " \ 8285522Snate@binkert.org "forcing USE_FENV to False in", variant_dir + "." 8295522Snate@binkert.org env['USE_FENV'] = False 8305522Snate@binkert.org 8315522Snate@binkert.org if not env['USE_FENV']: 8325522Snate@binkert.org print "Warning: No IEEE FP rounding mode control in", variant_dir + "." 8335522Snate@binkert.org print " FP results may deviate slightly from other platforms." 8345522Snate@binkert.org 8355522Snate@binkert.org if env['EFENCE']: 8365522Snate@binkert.org env.Append(LIBS=['efence']) 8375522Snate@binkert.org 8385522Snate@binkert.org if env['USE_MYSQL']: 8395522Snate@binkert.org if not have_mysql: 8405522Snate@binkert.org print "Warning: MySQL not available; " \ 8415522Snate@binkert.org "forcing USE_MYSQL to False in", variant_dir + "." 8425522Snate@binkert.org env['USE_MYSQL'] = False 8435522Snate@binkert.org else: 8445522Snate@binkert.org print "Compiling in", variant_dir, "with MySQL support." 8455522Snate@binkert.org env.ParseConfig(mysql_config_libs) 8465522Snate@binkert.org env.ParseConfig(mysql_config_include) 8475522Snate@binkert.org 8489986Sandreas@sandberg.pp.se # Save sticky variable settings back to current variables file 8499986Sandreas@sandberg.pp.se sticky_vars.Save(current_vars_file, env) 8509986Sandreas@sandberg.pp.se 8519986Sandreas@sandberg.pp.se if env['USE_SSE2']: 8529986Sandreas@sandberg.pp.se env.Append(CCFLAGS='-msse2') 8539986Sandreas@sandberg.pp.se 8549986Sandreas@sandberg.pp.se # The src/SConscript file sets up the build rules in 'env' according 8559986Sandreas@sandberg.pp.se # to the configured variables. It returns a list of environments, 8569986Sandreas@sandberg.pp.se # one for each variant build (debug, opt, etc.) 8579986Sandreas@sandberg.pp.se envList = SConscript('src/SConscript', variant_dir = variant_path, 8589986Sandreas@sandberg.pp.se exports = 'env') 8599986Sandreas@sandberg.pp.se 8609986Sandreas@sandberg.pp.se # Set up the regression tests for each build. 8619986Sandreas@sandberg.pp.se for e in envList: 8629986Sandreas@sandberg.pp.se SConscript('tests/SConscript', 8639986Sandreas@sandberg.pp.se variant_dir = joinpath(variant_path, 'tests', e.Label), 8649986Sandreas@sandberg.pp.se exports = { 'env' : e }, duplicate = False) 8659986Sandreas@sandberg.pp.se 8669986Sandreas@sandberg.pp.seHelp(help_text) 8679986Sandreas@sandberg.pp.se