SConstruct revision 7756
1955SN/A# -*- mode:python -*- 2955SN/A 35871Snate@binkert.org# Copyright (c) 2009 The Hewlett-Packard Development Company 41762SN/A# Copyright (c) 2004-2005 The Regents of The University of Michigan 5955SN/A# All rights reserved. 6955SN/A# 7955SN/A# Redistribution and use in source and binary forms, with or without 8955SN/A# modification, are permitted provided that the following conditions are 9955SN/A# met: redistributions of source code must retain the above copyright 10955SN/A# notice, this list of conditions and the following disclaimer; 11955SN/A# redistributions in binary form must reproduce the above copyright 12955SN/A# notice, this list of conditions and the following disclaimer in the 13955SN/A# documentation and/or other materials provided with the distribution; 14955SN/A# neither the name of the copyright holders nor the names of its 15955SN/A# contributors may be used to endorse or promote products derived from 16955SN/A# this software without specific prior written permission. 17955SN/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. 292665Ssaidi@eecs.umich.edu# 302665Ssaidi@eecs.umich.edu# Authors: Steve Reinhardt 315863Snate@binkert.org# Nathan Binkert 32955SN/A 33955SN/A################################################### 34955SN/A# 35955SN/A# SCons top-level build description (SConstruct) file. 36955SN/A# 372632Sstever@eecs.umich.edu# While in this directory ('m5'), just type 'scons' to build the default 382632Sstever@eecs.umich.edu# configuration (see below), or type 'scons build/<CONFIG>/<binary>' 392632Sstever@eecs.umich.edu# to build some other configuration (e.g., 'build/ALPHA_FS/m5.opt' for 402632Sstever@eecs.umich.edu# the optimized full-system version). 41955SN/A# 422632Sstever@eecs.umich.edu# You can build M5 in a different directory as long as there is a 432632Sstever@eecs.umich.edu# 'build/<CONFIG>' somewhere along the target path. The build system 442761Sstever@eecs.umich.edu# expects that all configs under the same build directory are being 452632Sstever@eecs.umich.edu# built for the same host system. 462632Sstever@eecs.umich.edu# 472632Sstever@eecs.umich.edu# Examples: 482761Sstever@eecs.umich.edu# 492761Sstever@eecs.umich.edu# The following two commands are equivalent. The '-u' option tells 502761Sstever@eecs.umich.edu# 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 522632Sstever@eecs.umich.edu# % cd <path-to-src>/m5/build/ALPHA_FS; scons -u m5.debug 532761Sstever@eecs.umich.edu# 542761Sstever@eecs.umich.edu# The following two commands are equivalent and demonstrate building 552761Sstever@eecs.umich.edu# in a directory outside of the source tree. The '-C' option tells 562761Sstever@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# 612632Sstever@eecs.umich.edu# You can use 'scons -H' to print scons options. If you're in this 622632Sstever@eecs.umich.edu# 'm5' directory (or use -u or -C to tell scons where to find this 632632Sstever@eecs.umich.edu# file), you can use 'scons -h' to print all the M5-specific build 642632Sstever@eecs.umich.edu# options as well. 65955SN/A# 66955SN/A################################################### 67955SN/A 685863Snate@binkert.org# Check for recent-enough Python and SCons versions. 695863Snate@binkert.orgtry: 705863Snate@binkert.org # Really old versions of scons only take two options for the 715863Snate@binkert.org # function, so check once without the revision and once with the 725863Snate@binkert.org # revision, the first instance will fail for stuff other than 735863Snate@binkert.org # 0.98, and the second will fail for 0.98.0 745863Snate@binkert.org EnsureSConsVersion(0, 98) 755863Snate@binkert.org EnsureSConsVersion(0, 98, 1) 765863Snate@binkert.orgexcept SystemExit, e: 775863Snate@binkert.org print """ 785863Snate@binkert.orgFor more details, see: 795863Snate@binkert.org http://m5sim.org/wiki/index.php/Compiling_M5 805863Snate@binkert.org""" 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 925863Snate@binkert.orgon 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 965863Snate@binkert.org""" 975863Snate@binkert.org raise 985863Snate@binkert.org 996654Snate@binkert.org# Global Python includes 100955SN/Aimport os 1015396Ssaidi@eecs.umich.eduimport re 1025863Snate@binkert.orgimport subprocess 1035863Snate@binkert.orgimport sys 1044202Sbinkertn@umich.edu 1055863Snate@binkert.orgfrom os import mkdir, environ 1065863Snate@binkert.orgfrom os.path import abspath, basename, dirname, expanduser, normpath 1075863Snate@binkert.orgfrom os.path import exists, isdir, isfile 1085863Snate@binkert.orgfrom os.path import join as joinpath, split as splitpath 109955SN/A 1106654Snate@binkert.org# SCons includes 1115273Sstever@gmail.comimport SCons 1125871Snate@binkert.orgimport SCons.Node 1135273Sstever@gmail.com 1146655Snate@binkert.orgextra_python_paths = [ 1156655Snate@binkert.org Dir('src/python').srcnode().abspath, # M5 includes 1166655Snate@binkert.org Dir('ext/ply').srcnode().abspath, # ply is used by several files 1176655Snate@binkert.org ] 1186655Snate@binkert.org 1196655Snate@binkert.orgsys.path[1:1] = extra_python_paths 1205871Snate@binkert.org 1216654Snate@binkert.orgfrom m5.util import compareVersions, readCommand 1225396Ssaidi@eecs.umich.edu 1235871Snate@binkert.org######################################################################## 1245871Snate@binkert.org# 1256121Snate@binkert.org# Set up the main build environment. 1265871Snate@binkert.org# 1275871Snate@binkert.org######################################################################## 1286003Snate@binkert.orguse_vars = set([ 'AS', 'AR', 'CC', 'CXX', 'HOME', 'LD_LIBRARY_PATH', 'PATH', 1296655Snate@binkert.org 'PYTHONPATH', 'RANLIB' ]) 130955SN/A 1315871Snate@binkert.orguse_env = {} 1325871Snate@binkert.orgfor key,val in os.environ.iteritems(): 1335871Snate@binkert.org if key in use_vars or key.startswith("M5"): 1345871Snate@binkert.org use_env[key] = val 135955SN/A 1366121Snate@binkert.orgmain = Environment(ENV=use_env) 1376121Snate@binkert.orgmain.root = Dir(".") # The current directory (where this file lives). 1386121Snate@binkert.orgmain.srcdir = Dir("src") # The source directory 1391533SN/A 1406655Snate@binkert.org# add useful python code PYTHONPATH so it can be used by subprocesses 1416655Snate@binkert.org# as well 1426655Snate@binkert.orgmain.AppendENVPath('PYTHONPATH', extra_python_paths) 1436655Snate@binkert.org 1445871Snate@binkert.org######################################################################## 1455871Snate@binkert.org# 1465863Snate@binkert.org# Mercurial Stuff. 1475871Snate@binkert.org# 1485871Snate@binkert.org# If the M5 directory is a mercurial repository, we should do some 1495871Snate@binkert.org# extra things. 1505871Snate@binkert.org# 1515871Snate@binkert.org######################################################################## 1525863Snate@binkert.org 1536121Snate@binkert.orghgdir = main.root.Dir(".hg") 1545863Snate@binkert.org 1555871Snate@binkert.orgmercurial_style_message = """ 1564678Snate@binkert.orgYou're missing the M5 style hook. 1574678Snate@binkert.orgPlease install the hook so we can ensure that all code fits a common style. 1584678Snate@binkert.org 1594678Snate@binkert.orgAll you'd need to do is add the following lines to your repository .hg/hgrc 1604678Snate@binkert.orgor your personal .hgrc 1614678Snate@binkert.org---------------- 1624678Snate@binkert.org 1634678Snate@binkert.org[extensions] 1644678Snate@binkert.orgstyle = %s/util/style.py 1654678Snate@binkert.org 1664678Snate@binkert.org[hooks] 1674678Snate@binkert.orgpretxncommit.style = python:style.check_whitespace 1686121Snate@binkert.org""" % (main.root) 1694678Snate@binkert.org 1705871Snate@binkert.orgmercurial_bin_not_found = """ 1715871Snate@binkert.orgMercurial binary cannot be found, unfortunately this means that we 1725871Snate@binkert.orgcannot easily determine the version of M5 that you are running and 1735871Snate@binkert.orgthis makes error messages more difficult to collect. Please consider 1745871Snate@binkert.orginstalling mercurial if you choose to post an error message 1755871Snate@binkert.org""" 1765871Snate@binkert.org 1775871Snate@binkert.orgmercurial_lib_not_found = """ 1785871Snate@binkert.orgMercurial libraries cannot be found, ignoring style hook 1795871Snate@binkert.orgIf you are actually a M5 developer, please fix this and 1805871Snate@binkert.orgrun the style hook. It is important. 1815871Snate@binkert.org""" 1825871Snate@binkert.org 1835990Ssaidi@eecs.umich.eduhg_info = "Unknown" 1845871Snate@binkert.orgif hgdir.exists(): 1855871Snate@binkert.org # 1) Grab repository revision if we know it. 1865871Snate@binkert.org cmd = "hg id -n -i -t -b" 1874678Snate@binkert.org try: 1886654Snate@binkert.org hg_info = readCommand(cmd, cwd=main.root.abspath).strip() 1895871Snate@binkert.org except OSError: 1905871Snate@binkert.org print mercurial_bin_not_found 1915871Snate@binkert.org 1925871Snate@binkert.org # 2) Ensure that the style hook is in place. 1935871Snate@binkert.org try: 1945871Snate@binkert.org ui = None 1955871Snate@binkert.org if ARGUMENTS.get('IGNORE_STYLE') != 'True': 1965871Snate@binkert.org from mercurial import ui 1975871Snate@binkert.org ui = ui.ui() 1984678Snate@binkert.org except ImportError: 1995871Snate@binkert.org print mercurial_lib_not_found 2004678Snate@binkert.org 2015871Snate@binkert.org if ui is not None: 2025871Snate@binkert.org ui.readconfig(hgdir.File('hgrc').abspath) 2035871Snate@binkert.org style_hook = ui.config('hooks', 'pretxncommit.style', None) 2045871Snate@binkert.org 2055871Snate@binkert.org if not style_hook: 2065871Snate@binkert.org print mercurial_style_message 2075871Snate@binkert.org sys.exit(1) 2085871Snate@binkert.orgelse: 2095871Snate@binkert.org print ".hg directory not found" 2106121Snate@binkert.org 2116121Snate@binkert.orgmain['HG_INFO'] = hg_info 2125863Snate@binkert.org 213955SN/A################################################### 214955SN/A# 2152632Sstever@eecs.umich.edu# Figure out which configurations to set up based on the path(s) of 2162632Sstever@eecs.umich.edu# the target(s). 217955SN/A# 218955SN/A################################################### 219955SN/A 220955SN/A# Find default configuration & binary. 2215863Snate@binkert.orgDefault(environ.get('M5_DEFAULT_BINARY', 'build/ALPHA_SE/m5.debug')) 222955SN/A 2232632Sstever@eecs.umich.edu# helper function: find last occurrence of element in list 2242632Sstever@eecs.umich.edudef rfind(l, elt, offs = -1): 2252632Sstever@eecs.umich.edu for i in range(len(l)+offs, 0, -1): 2262632Sstever@eecs.umich.edu if l[i] == elt: 2272632Sstever@eecs.umich.edu return i 2282632Sstever@eecs.umich.edu raise ValueError, "element not found" 2292632Sstever@eecs.umich.edu 2302632Sstever@eecs.umich.edu# Each target must have 'build' in the interior of the path; the 2312632Sstever@eecs.umich.edu# directory below this will determine the build parameters. For 2322632Sstever@eecs.umich.edu# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we 2332632Sstever@eecs.umich.edu# recognize that ALPHA_SE specifies the configuration because it 2342632Sstever@eecs.umich.edu# follow 'build' in the bulid path. 2352632Sstever@eecs.umich.edu 2363718Sstever@eecs.umich.edu# Generate absolute paths to targets so we can see where the build dir is 2373718Sstever@eecs.umich.eduif COMMAND_LINE_TARGETS: 2383718Sstever@eecs.umich.edu # Ask SCons which directory it was invoked from 2393718Sstever@eecs.umich.edu launch_dir = GetLaunchDir() 2403718Sstever@eecs.umich.edu # Make targets relative to invocation directory 2415863Snate@binkert.org abs_targets = [ normpath(joinpath(launch_dir, str(x))) for x in \ 2425863Snate@binkert.org COMMAND_LINE_TARGETS] 2433718Sstever@eecs.umich.eduelse: 2443718Sstever@eecs.umich.edu # Default targets are relative to root of tree 2456121Snate@binkert.org abs_targets = [ normpath(joinpath(main.root.abspath, str(x))) for x in \ 2465863Snate@binkert.org DEFAULT_TARGETS] 2473718Sstever@eecs.umich.edu 2483718Sstever@eecs.umich.edu 2492634Sstever@eecs.umich.edu# Generate a list of the unique build roots and configs that the 2502634Sstever@eecs.umich.edu# collected targets reference. 2515863Snate@binkert.orgvariant_paths = [] 2522638Sstever@eecs.umich.edubuild_root = None 2532632Sstever@eecs.umich.edufor t in abs_targets: 2542632Sstever@eecs.umich.edu path_dirs = t.split('/') 2552632Sstever@eecs.umich.edu try: 2562632Sstever@eecs.umich.edu build_top = rfind(path_dirs, 'build', -2) 2572632Sstever@eecs.umich.edu except: 2582632Sstever@eecs.umich.edu print "Error: no non-leaf 'build' dir found on target path", t 2591858SN/A Exit(1) 2603716Sstever@eecs.umich.edu this_build_root = joinpath('/',*path_dirs[:build_top+1]) 2612638Sstever@eecs.umich.edu if not build_root: 2622638Sstever@eecs.umich.edu build_root = this_build_root 2632638Sstever@eecs.umich.edu else: 2642638Sstever@eecs.umich.edu if this_build_root != build_root: 2652638Sstever@eecs.umich.edu print "Error: build targets not under same build root\n"\ 2662638Sstever@eecs.umich.edu " %s\n %s" % (build_root, this_build_root) 2672638Sstever@eecs.umich.edu Exit(1) 2685863Snate@binkert.org variant_path = joinpath('/',*path_dirs[:build_top+2]) 2695863Snate@binkert.org if variant_path not in variant_paths: 2705863Snate@binkert.org variant_paths.append(variant_path) 271955SN/A 2725341Sstever@gmail.com# Make sure build_root exists (might not if this is the first build there) 2735341Sstever@gmail.comif not isdir(build_root): 2745863Snate@binkert.org mkdir(build_root) 2757756SAli.Saidi@ARM.commain['BUILDROOT'] = build_root 2765341Sstever@gmail.com 2776121Snate@binkert.orgExport('main') 2784494Ssaidi@eecs.umich.edu 2796121Snate@binkert.orgmain.SConsignFile(joinpath(build_root, "sconsign")) 2801105SN/A 2812667Sstever@eecs.umich.edu# Default duplicate option is to use hard links, but this messes up 2822667Sstever@eecs.umich.edu# when you use emacs to edit a file in the target dir, as emacs moves 2832667Sstever@eecs.umich.edu# file to file~ then copies to file, breaking the link. Symbolic 2842667Sstever@eecs.umich.edu# (soft) links work better. 2856121Snate@binkert.orgmain.SetOption('duplicate', 'soft-copy') 2862667Sstever@eecs.umich.edu 2875341Sstever@gmail.com# 2885863Snate@binkert.org# Set up global sticky variables... these are common to an entire build 2895341Sstever@gmail.com# tree (not specific to a particular build like ALPHA_SE) 2905341Sstever@gmail.com# 2915341Sstever@gmail.com 2925863Snate@binkert.org# Variable validators & converters for global sticky variables 2935341Sstever@gmail.comdef PathListMakeAbsolute(val): 2945341Sstever@gmail.com if not val: 2955341Sstever@gmail.com return val 2965863Snate@binkert.org f = lambda p: abspath(expanduser(p)) 2975341Sstever@gmail.com return ':'.join(map(f, val.split(':'))) 2985341Sstever@gmail.com 2995341Sstever@gmail.comdef PathListAllExist(key, val, env): 3005341Sstever@gmail.com if not val: 3015341Sstever@gmail.com return 3025341Sstever@gmail.com paths = val.split(':') 3035341Sstever@gmail.com for path in paths: 3045341Sstever@gmail.com if not isdir(path): 3055341Sstever@gmail.com raise SCons.Errors.UserError("Path does not exist: '%s'" % path) 3065341Sstever@gmail.com 3075863Snate@binkert.orgglobal_sticky_vars_file = joinpath(build_root, 'variables.global') 3085341Sstever@gmail.com 3095863Snate@binkert.orgglobal_sticky_vars = Variables(global_sticky_vars_file, args=ARGUMENTS) 3107756SAli.Saidi@ARM.comglobal_nonsticky_vars = Variables(args=ARGUMENTS) 3115341Sstever@gmail.com 3125863Snate@binkert.orgglobal_sticky_vars.AddVariables( 3136121Snate@binkert.org ('CC', 'C compiler', environ.get('CC', main['CC'])), 3146121Snate@binkert.org ('CXX', 'C++ compiler', environ.get('CXX', main['CXX'])), 3155397Ssaidi@eecs.umich.edu ('BATCH', 'Use batch pool for build and tests', False), 3165397Ssaidi@eecs.umich.edu ('BATCH_CMD', 'Batch pool submission command name', 'qdo'), 3177727SAli.Saidi@ARM.com ('M5_BUILD_CACHE', 'Cache built objects in this directory', False), 3185341Sstever@gmail.com ('EXTRAS', 'Add Extra directories to the compilation', '', 3196168Snate@binkert.org PathListAllExist, PathListMakeAbsolute), 3206168Snate@binkert.org ) 3215341Sstever@gmail.com 3227756SAli.Saidi@ARM.comglobal_nonsticky_vars.AddVariables( 3237756SAli.Saidi@ARM.com ('VERBOSE', 'Print full tool command lines', False), 3247756SAli.Saidi@ARM.com ('update_ref', 'Update test reference outputs', False) 3257756SAli.Saidi@ARM.com ) 3267756SAli.Saidi@ARM.com 3277756SAli.Saidi@ARM.com 3285341Sstever@gmail.com# base help text 3295341Sstever@gmail.comhelp_text = ''' 3305341Sstever@gmail.comUsage: scons [scons options] [build options] [target(s)] 3315341Sstever@gmail.com 3325863Snate@binkert.orgGlobal sticky options: 3335341Sstever@gmail.com''' 3345341Sstever@gmail.com 3356121Snate@binkert.org# Update main environment with values from ARGUMENTS & global_sticky_vars_file 3366121Snate@binkert.orgglobal_sticky_vars.Update(main) 3377756SAli.Saidi@ARM.comglobal_nonsticky_vars.Update(main) 3385341Sstever@gmail.com 3396814Sgblack@eecs.umich.eduhelp_text += global_sticky_vars.GenerateHelpText(main) 3407756SAli.Saidi@ARM.comhelp_text += global_nonsticky_vars.GenerateHelpText(main) 3416814Sgblack@eecs.umich.edu 3425863Snate@binkert.org# Save sticky variable settings back to current variables file 3436121Snate@binkert.orgglobal_sticky_vars.Save(global_sticky_vars_file, main) 3445341Sstever@gmail.com 3455863Snate@binkert.org# Parse EXTRAS variable to build list of all directories where we're 3465341Sstever@gmail.com# look for sources etc. This list is exported as base_dir_list. 3476121Snate@binkert.orgbase_dir = main.srcdir.abspath 3486121Snate@binkert.orgif main['EXTRAS']: 3496121Snate@binkert.org extras_dir_list = main['EXTRAS'].split(':') 3505742Snate@binkert.orgelse: 3515742Snate@binkert.org extras_dir_list = [] 3525341Sstever@gmail.com 3535742Snate@binkert.orgExport('base_dir') 3545742Snate@binkert.orgExport('extras_dir_list') 3555341Sstever@gmail.com 3566017Snate@binkert.org# the ext directory should be on the #includes path 3576121Snate@binkert.orgmain.Append(CPPPATH=[Dir('ext')]) 3586017Snate@binkert.org 3597756SAli.Saidi@ARM.comdef _STRIP(path, env): 3607756SAli.Saidi@ARM.com path = str(path) 3617756SAli.Saidi@ARM.com variant_base = env['BUILDROOT'] + os.path.sep 3627756SAli.Saidi@ARM.com if path.startswith(variant_base): 3637756SAli.Saidi@ARM.com path = path[len(variant_base):] 3647756SAli.Saidi@ARM.com elif path.startswith('build/'): 3657756SAli.Saidi@ARM.com path = path[6:] 3667756SAli.Saidi@ARM.com return path 3677756SAli.Saidi@ARM.com 3687756SAli.Saidi@ARM.comdef _STRIP_SOURCE(target, source, env, for_signature): 3697756SAli.Saidi@ARM.com return _STRIP(source[0], env) 3707756SAli.Saidi@ARM.commain['STRIP_SOURCE'] = _STRIP_SOURCE 3717756SAli.Saidi@ARM.com 3727756SAli.Saidi@ARM.comdef _STRIP_TARGET(target, source, env, for_signature): 3737756SAli.Saidi@ARM.com return _STRIP(target[0], env) 3747756SAli.Saidi@ARM.commain['STRIP_TARGET'] = _STRIP_TARGET 3757756SAli.Saidi@ARM.com 3767756SAli.Saidi@ARM.comif main['VERBOSE']: 3777756SAli.Saidi@ARM.com def MakeAction(action, string, *args, **kwargs): 3787756SAli.Saidi@ARM.com return Action(action, *args, **kwargs) 3797756SAli.Saidi@ARM.comelse: 3807756SAli.Saidi@ARM.com MakeAction = Action 3817756SAli.Saidi@ARM.com main['CCCOMSTR'] = ' [ CC] $STRIP_SOURCE' 3827756SAli.Saidi@ARM.com main['CXXCOMSTR'] = ' [ CXX] $STRIP_SOURCE' 3837756SAli.Saidi@ARM.com main['ASCOMSTR'] = ' [ AS] $STRIP_SOURCE' 3847756SAli.Saidi@ARM.com main['SWIGCOMSTR'] = ' [ SWIG] $STRIP_SOURCE' 3857756SAli.Saidi@ARM.com main['ARCOMSTR'] = ' [ AR] $STRIP_TARGET' 3867756SAli.Saidi@ARM.com main['LINKCOMSTR'] = ' [ LINK] $STRIP_TARGET' 3877756SAli.Saidi@ARM.com main['RANLIBCOMSTR'] = ' [ RANLIB] $STRIP_TARGET' 3887756SAli.Saidi@ARM.com main['M4COMSTR'] = ' [ M4] $STRIP_TARGET' 3897756SAli.Saidi@ARM.com main['SHCCCOMSTR'] = ' [ SHCC] $STRIP_TARGET' 3907756SAli.Saidi@ARM.com main['SHCXXCOMSTR'] = ' [ SHCXX] $STRIP_TARGET' 3917756SAli.Saidi@ARM.comExport('MakeAction') 3927756SAli.Saidi@ARM.com 3936654Snate@binkert.orgCXX_version = readCommand([main['CXX'],'--version'], exception=False) 3946654Snate@binkert.orgCXX_V = readCommand([main['CXX'],'-V'], exception=False) 3955871Snate@binkert.org 3966121Snate@binkert.orgmain['GCC'] = CXX_version and CXX_version.find('g++') >= 0 3976121Snate@binkert.orgmain['SUNCC'] = CXX_V and CXX_V.find('Sun C++') >= 0 3986121Snate@binkert.orgmain['ICC'] = CXX_V and CXX_V.find('Intel') >= 0 3996121Snate@binkert.orgif main['GCC'] + main['SUNCC'] + main['ICC'] > 1: 4003940Ssaidi@eecs.umich.edu print 'Error: How can we have two at the same time?' 4013918Ssaidi@eecs.umich.edu Exit(1) 4023918Ssaidi@eecs.umich.edu 4031858SN/A# Set up default C++ compiler flags 4046121Snate@binkert.orgif main['GCC']: 4057739Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-pipe']) 4067739Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-fno-strict-aliasing']) 4076143Snate@binkert.org main.Append(CCFLAGS=['-Wall', '-Wno-sign-compare', '-Wundef']) 4087739Sgblack@eecs.umich.edu main.Append(CXXFLAGS=['-Wno-deprecated']) 4097618SAli.Saidi@arm.com # Read the GCC version to check for versions with bugs 4107618SAli.Saidi@arm.com # Note CCVERSION doesn't work here because it is run with the CC 4117618SAli.Saidi@arm.com # before we override it from the command line 4127618SAli.Saidi@arm.com gcc_version = readCommand([main['CXX'], '-dumpversion'], exception=False) 4137618SAli.Saidi@arm.com if not compareVersions(gcc_version, '4.4.1') or \ 4147618SAli.Saidi@arm.com not compareVersions(gcc_version, '4.4.2'): 4157618SAli.Saidi@arm.com print 'Info: Tree vectorizer in GCC 4.4.1 & 4.4.2 is buggy, disabling.' 4167739Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-fno-tree-vectorize']) 4176121Snate@binkert.orgelif main['ICC']: 4183940Ssaidi@eecs.umich.edu pass #Fix me... add warning flags once we clean up icc warnings 4196121Snate@binkert.orgelif main['SUNCC']: 4207739Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-Qoption ccfe']) 4217739Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-features=gcc']) 4227739Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-features=extensions']) 4237739Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-library=stlport4']) 4247739Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-xar']) 4257739Sgblack@eecs.umich.edu #main.Append(CCFLAGS=['-instances=semiexplicit']) 4263918Ssaidi@eecs.umich.eduelse: 4273918Ssaidi@eecs.umich.edu print 'Error: Don\'t know what compiler options to use for your compiler.' 4283940Ssaidi@eecs.umich.edu print ' Please fix SConstruct and src/SConscript and try again.' 4293918Ssaidi@eecs.umich.edu Exit(1) 4303918Ssaidi@eecs.umich.edu 4316157Snate@binkert.org# Set up common yacc/bison flags (needed for Ruby) 4326157Snate@binkert.orgmain['YACCFLAGS'] = '-d' 4336157Snate@binkert.orgmain['YACCHXXFILESUFFIX'] = '.hh' 4346157Snate@binkert.org 4355397Ssaidi@eecs.umich.edu# Do this after we save setting back, or else we'll tack on an 4365397Ssaidi@eecs.umich.edu# extra 'qdo' every time we run scons. 4376121Snate@binkert.orgif main['BATCH']: 4386121Snate@binkert.org main['CC'] = main['BATCH_CMD'] + ' ' + main['CC'] 4396121Snate@binkert.org main['CXX'] = main['BATCH_CMD'] + ' ' + main['CXX'] 4406121Snate@binkert.org main['AS'] = main['BATCH_CMD'] + ' ' + main['AS'] 4416121Snate@binkert.org main['AR'] = main['BATCH_CMD'] + ' ' + main['AR'] 4426121Snate@binkert.org main['RANLIB'] = main['BATCH_CMD'] + ' ' + main['RANLIB'] 4435397Ssaidi@eecs.umich.edu 4441851SN/Aif sys.platform == 'cygwin': 4451851SN/A # cygwin has some header file issues... 4467739Sgblack@eecs.umich.edu main.Append(CCFLAGS=["-Wno-uninitialized"]) 447955SN/A 4483053Sstever@eecs.umich.edu# Check for SWIG 4496121Snate@binkert.orgif not main.has_key('SWIG'): 4503053Sstever@eecs.umich.edu print 'Error: SWIG utility not found.' 4513053Sstever@eecs.umich.edu print ' Please install (see http://www.swig.org) and retry.' 4523053Sstever@eecs.umich.edu Exit(1) 4533053Sstever@eecs.umich.edu 4543053Sstever@eecs.umich.edu# Check for appropriate SWIG version 4556654Snate@binkert.orgswig_version = readCommand(('swig', '-version'), exception='').split() 4563053Sstever@eecs.umich.edu# First 3 words should be "SWIG Version x.y.z" 4574742Sstever@eecs.umich.eduif len(swig_version) < 3 or \ 4584742Sstever@eecs.umich.edu swig_version[0] != 'SWIG' or swig_version[1] != 'Version': 4593053Sstever@eecs.umich.edu print 'Error determining SWIG version.' 4603053Sstever@eecs.umich.edu Exit(1) 4613053Sstever@eecs.umich.edu 4623053Sstever@eecs.umich.edumin_swig_version = '1.3.28' 4636654Snate@binkert.orgif compareVersions(swig_version[2], min_swig_version) < 0: 4643053Sstever@eecs.umich.edu print 'Error: SWIG version', min_swig_version, 'or newer required.' 4653053Sstever@eecs.umich.edu print ' Installed version:', swig_version[2] 4663053Sstever@eecs.umich.edu Exit(1) 4673053Sstever@eecs.umich.edu 4682667Sstever@eecs.umich.edu# Set up SWIG flags & scanner 4694554Sbinkertn@umich.eduswig_flags=Split('-c++ -python -modern -templatereduce $_CPPINCFLAGS') 4706121Snate@binkert.orgmain.Append(SWIGFLAGS=swig_flags) 4712667Sstever@eecs.umich.edu 4724554Sbinkertn@umich.edu# filter out all existing swig scanners, they mess up the dependency 4734554Sbinkertn@umich.edu# stuff for some reason 4744554Sbinkertn@umich.eduscanners = [] 4756121Snate@binkert.orgfor scanner in main['SCANNERS']: 4764554Sbinkertn@umich.edu skeys = scanner.skeys 4774554Sbinkertn@umich.edu if skeys == '.i': 4784554Sbinkertn@umich.edu continue 4794781Snate@binkert.org 4804554Sbinkertn@umich.edu if isinstance(skeys, (list, tuple)) and '.i' in skeys: 4814554Sbinkertn@umich.edu continue 4822667Sstever@eecs.umich.edu 4834554Sbinkertn@umich.edu scanners.append(scanner) 4844554Sbinkertn@umich.edu 4854554Sbinkertn@umich.edu# add the new swig scanner that we like better 4864554Sbinkertn@umich.edufrom SCons.Scanner import ClassicCPP as CPPScanner 4872667Sstever@eecs.umich.eduswig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")' 4884554Sbinkertn@umich.eduscanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re)) 4892667Sstever@eecs.umich.edu 4904554Sbinkertn@umich.edu# replace the scanners list that has what we want 4916121Snate@binkert.orgmain['SCANNERS'] = scanners 4922667Sstever@eecs.umich.edu 4935522Snate@binkert.org# Add a custom Check function to the Configure context so that we can 4945522Snate@binkert.org# figure out if the compiler adds leading underscores to global 4955522Snate@binkert.org# variables. This is needed for the autogenerated asm files that we 4965522Snate@binkert.org# use for embedding the python code. 4975522Snate@binkert.orgdef CheckLeading(context): 4985522Snate@binkert.org context.Message("Checking for leading underscore in global variables...") 4995522Snate@binkert.org # 1) Define a global variable called x from asm so the C compiler 5005522Snate@binkert.org # won't change the symbol at all. 5015522Snate@binkert.org # 2) Declare that variable. 5025522Snate@binkert.org # 3) Use the variable 5035522Snate@binkert.org # 5045522Snate@binkert.org # If the compiler prepends an underscore, this will successfully 5055522Snate@binkert.org # link because the external symbol 'x' will be called '_x' which 5065522Snate@binkert.org # was defined by the asm statement. If the compiler does not 5075522Snate@binkert.org # prepend an underscore, this will not successfully link because 5085522Snate@binkert.org # '_x' will have been defined by assembly, while the C portion of 5095522Snate@binkert.org # the code will be trying to use 'x' 5105522Snate@binkert.org ret = context.TryLink(''' 5115522Snate@binkert.org asm(".globl _x; _x: .byte 0"); 5125522Snate@binkert.org extern int x; 5135522Snate@binkert.org int main() { return x; } 5145522Snate@binkert.org ''', extension=".c") 5155522Snate@binkert.org context.env.Append(LEADING_UNDERSCORE=ret) 5165522Snate@binkert.org context.Result(ret) 5175522Snate@binkert.org return ret 5185522Snate@binkert.org 5192638Sstever@eecs.umich.edu# Platform-specific configuration. Note again that we assume that all 5202638Sstever@eecs.umich.edu# builds under a given build root run on the same host platform. 5216121Snate@binkert.orgconf = Configure(main, 5223716Sstever@eecs.umich.edu conf_dir = joinpath(build_root, '.scons_config'), 5235522Snate@binkert.org log_file = joinpath(build_root, 'scons_config.log'), 5245522Snate@binkert.org custom_tests = { 'CheckLeading' : CheckLeading }) 5255522Snate@binkert.org 5265522Snate@binkert.org# Check for leading underscores. Don't really need to worry either 5275522Snate@binkert.org# way so don't need to check the return code. 5285522Snate@binkert.orgconf.CheckLeading() 5291858SN/A 5305227Ssaidi@eecs.umich.edu# Check if we should compile a 64 bit binary on Mac OS X/Darwin 5315227Ssaidi@eecs.umich.edutry: 5325227Ssaidi@eecs.umich.edu import platform 5335227Ssaidi@eecs.umich.edu uname = platform.uname() 5346654Snate@binkert.org if uname[0] == 'Darwin' and compareVersions(uname[2], '9.0.0') >= 0: 5356654Snate@binkert.org if int(readCommand('sysctl -n hw.cpu64bit_capable')[0]): 5367739Sgblack@eecs.umich.edu main.Append(CCFLAGS=['-arch x86_64']) 5377739Sgblack@eecs.umich.edu main.Append(CFLAGS=['-arch x86_64']) 5387739Sgblack@eecs.umich.edu main.Append(LINKFLAGS=['-arch x86_64']) 5397739Sgblack@eecs.umich.edu main.Append(ASFLAGS=['-arch x86_64']) 5405227Ssaidi@eecs.umich.eduexcept: 5415227Ssaidi@eecs.umich.edu pass 5425227Ssaidi@eecs.umich.edu 5435204Sstever@gmail.com# Recent versions of scons substitute a "Null" object for Configure() 5445204Sstever@gmail.com# when configuration isn't necessary, e.g., if the "--help" option is 5455204Sstever@gmail.com# present. Unfortuantely this Null object always returns false, 5465204Sstever@gmail.com# breaking all our configuration checks. We replace it with our own 5475204Sstever@gmail.com# more optimistic null object that returns True instead. 5485204Sstever@gmail.comif not conf: 5495204Sstever@gmail.com def NullCheck(*args, **kwargs): 5505204Sstever@gmail.com return True 5515204Sstever@gmail.com 5525204Sstever@gmail.com class NullConf: 5535204Sstever@gmail.com def __init__(self, env): 5545204Sstever@gmail.com self.env = env 5555204Sstever@gmail.com def Finish(self): 5565204Sstever@gmail.com return self.env 5575204Sstever@gmail.com def __getattr__(self, mname): 5585204Sstever@gmail.com return NullCheck 5595204Sstever@gmail.com 5606121Snate@binkert.org conf = NullConf(main) 5615204Sstever@gmail.com 5623118Sstever@eecs.umich.edu# Find Python include and library directories for embedding the 5633118Sstever@eecs.umich.edu# interpreter. For consistency, we will use the same Python 5643118Sstever@eecs.umich.edu# installation used to run scons (and thus this script). If you want 5653118Sstever@eecs.umich.edu# to link in an alternate version, see above for instructions on how 5663118Sstever@eecs.umich.edu# to invoke scons with a different copy of the Python interpreter. 5675863Snate@binkert.orgfrom distutils import sysconfig 5683118Sstever@eecs.umich.edu 5695863Snate@binkert.orgpy_getvar = sysconfig.get_config_var 5703118Sstever@eecs.umich.edu 5717457Snate@binkert.orgpy_debug = getattr(sys, 'pydebug', False) 5727457Snate@binkert.orgpy_version = 'python' + py_getvar('VERSION') + (py_debug and "_d" or "") 5735863Snate@binkert.org 5745863Snate@binkert.orgpy_general_include = sysconfig.get_python_inc() 5755863Snate@binkert.orgpy_platform_include = sysconfig.get_python_inc(plat_specific=True) 5765863Snate@binkert.orgpy_includes = [ py_general_include ] 5775863Snate@binkert.orgif py_platform_include != py_general_include: 5785863Snate@binkert.org py_includes.append(py_platform_include) 5795863Snate@binkert.org 5806003Snate@binkert.orgpy_lib_path = [ py_getvar('LIBDIR') ] 5815863Snate@binkert.org# add the prefix/lib/pythonX.Y/config dir, but only if there is no 5825863Snate@binkert.org# shared library in prefix/lib/. 5835863Snate@binkert.orgif not py_getvar('Py_ENABLE_SHARED'): 5846120Snate@binkert.org py_lib_path.append(py_getvar('LIBPL')) 5855863Snate@binkert.org 5865863Snate@binkert.orgpy_libs = [] 5875863Snate@binkert.orgfor lib in py_getvar('LIBS').split() + py_getvar('SYSLIBS').split(): 5886120Snate@binkert.org assert lib.startswith('-l') 5896120Snate@binkert.org lib = lib[2:] 5905863Snate@binkert.org if lib not in py_libs: 5915863Snate@binkert.org py_libs.append(lib) 5926120Snate@binkert.orgpy_libs.append(py_version) 5935863Snate@binkert.org 5946121Snate@binkert.orgmain.Append(CPPPATH=py_includes) 5956121Snate@binkert.orgmain.Append(LIBPATH=py_lib_path) 5965863Snate@binkert.org 5977727SAli.Saidi@ARM.com# Cache build files in the supplied directory. 5987727SAli.Saidi@ARM.comif main['M5_BUILD_CACHE']: 5997727SAli.Saidi@ARM.com print 'Using build cache located at', main['M5_BUILD_CACHE'] 6007727SAli.Saidi@ARM.com CacheDir(main['M5_BUILD_CACHE']) 6017727SAli.Saidi@ARM.com 6027727SAli.Saidi@ARM.com 6035863Snate@binkert.org# verify that this stuff works 6043118Sstever@eecs.umich.eduif not conf.CheckHeader('Python.h', '<>'): 6055863Snate@binkert.org print "Error: can't find Python.h header in", py_includes 6063118Sstever@eecs.umich.edu Exit(1) 6073118Sstever@eecs.umich.edu 6085863Snate@binkert.orgfor lib in py_libs: 6095863Snate@binkert.org if not conf.CheckLib(lib): 6105863Snate@binkert.org print "Error: can't find library %s required by python" % lib 6115863Snate@binkert.org Exit(1) 6123118Sstever@eecs.umich.edu 6133483Ssaidi@eecs.umich.edu# On Solaris you need to use libsocket for socket ops 6143494Ssaidi@eecs.umich.eduif not conf.CheckLibWithHeader(None, 'sys/socket.h', 'C++', 'accept(0,0,0);'): 6153494Ssaidi@eecs.umich.edu if not conf.CheckLibWithHeader('socket', 'sys/socket.h', 'C++', 'accept(0,0,0);'): 6163483Ssaidi@eecs.umich.edu print "Can't find library with socket calls (e.g. accept())" 6173483Ssaidi@eecs.umich.edu Exit(1) 6183483Ssaidi@eecs.umich.edu 6193053Sstever@eecs.umich.edu# Check for zlib. If the check passes, libz will be automatically 6203053Sstever@eecs.umich.edu# added to the LIBS environment variable. 6213918Ssaidi@eecs.umich.eduif not conf.CheckLibWithHeader('z', 'zlib.h', 'C++','zlibVersion();'): 6223053Sstever@eecs.umich.edu print 'Error: did not find needed zlib compression library '\ 6233053Sstever@eecs.umich.edu 'and/or zlib.h header file.' 6243053Sstever@eecs.umich.edu print ' Please install zlib and try again.' 6253053Sstever@eecs.umich.edu Exit(1) 6263053Sstever@eecs.umich.edu 6271858SN/A# Check for <fenv.h> (C99 FP environment control) 6281858SN/Ahave_fenv = conf.CheckHeader('fenv.h', '<>') 6291858SN/Aif not have_fenv: 6301858SN/A print "Warning: Header file <fenv.h> not found." 6311858SN/A print " This host has no IEEE FP rounding mode control." 6321858SN/A 6335863Snate@binkert.org###################################################################### 6345863Snate@binkert.org# 6351859SN/A# Check for mysql. 6365863Snate@binkert.org# 6371858SN/Amysql_config = WhereIs('mysql_config') 6385863Snate@binkert.orghave_mysql = bool(mysql_config) 6391858SN/A 6401859SN/A# Check MySQL version. 6411859SN/Aif have_mysql: 6426654Snate@binkert.org mysql_version = readCommand(mysql_config + ' --version') 6433053Sstever@eecs.umich.edu min_mysql_version = '4.1' 6446654Snate@binkert.org if compareVersions(mysql_version, min_mysql_version) < 0: 6453053Sstever@eecs.umich.edu print 'Warning: MySQL', min_mysql_version, 'or newer required.' 6463053Sstever@eecs.umich.edu print ' Version', mysql_version, 'detected.' 6471859SN/A have_mysql = False 6481859SN/A 6491859SN/A# Set up mysql_config commands. 6501859SN/Aif have_mysql: 6511859SN/A mysql_config_include = mysql_config + ' --include' 6521859SN/A if os.system(mysql_config_include + ' > /dev/null') != 0: 6531859SN/A # older mysql_config versions don't support --include, use 6541859SN/A # --cflags instead 6551862SN/A mysql_config_include = mysql_config + ' --cflags | sed s/\\\'//g' 6561859SN/A # This seems to work in all versions 6571859SN/A mysql_config_libs = mysql_config + ' --libs' 6581859SN/A 6595863Snate@binkert.org###################################################################### 6605863Snate@binkert.org# 6615863Snate@binkert.org# Finish the configuration 6625863Snate@binkert.org# 6636121Snate@binkert.orgmain = conf.Finish() 6641858SN/A 6655863Snate@binkert.org###################################################################### 6665863Snate@binkert.org# 6675863Snate@binkert.org# Collect all non-global variables 6685863Snate@binkert.org# 6695863Snate@binkert.org 6702139SN/A# Define the universe of supported ISAs 6714202Sbinkertn@umich.eduall_isa_list = [ ] 6724202Sbinkertn@umich.eduExport('all_isa_list') 6732139SN/A 6746994Snate@binkert.orgclass CpuModel(object): 6756994Snate@binkert.org '''The CpuModel class encapsulates everything the ISA parser needs to 6766994Snate@binkert.org know about a particular CPU model.''' 6776994Snate@binkert.org 6786994Snate@binkert.org # Dict of available CPU model objects. Accessible as CpuModel.dict. 6796994Snate@binkert.org dict = {} 6806994Snate@binkert.org list = [] 6816994Snate@binkert.org defaults = [] 6826994Snate@binkert.org 6836994Snate@binkert.org # Constructor. Automatically adds models to CpuModel.dict. 6846994Snate@binkert.org def __init__(self, name, filename, includes, strings, default=False): 6856994Snate@binkert.org self.name = name # name of model 6866994Snate@binkert.org self.filename = filename # filename for output exec code 6876994Snate@binkert.org self.includes = includes # include files needed in exec file 6886994Snate@binkert.org # The 'strings' dict holds all the per-CPU symbols we can 6896994Snate@binkert.org # substitute into templates etc. 6906994Snate@binkert.org self.strings = strings 6916994Snate@binkert.org 6926994Snate@binkert.org # This cpu is enabled by default 6936994Snate@binkert.org self.default = default 6946994Snate@binkert.org 6956994Snate@binkert.org # Add self to dict 6966994Snate@binkert.org if name in CpuModel.dict: 6976994Snate@binkert.org raise AttributeError, "CpuModel '%s' already registered" % name 6986994Snate@binkert.org CpuModel.dict[name] = self 6996994Snate@binkert.org CpuModel.list.append(name) 7006994Snate@binkert.org 7016994Snate@binkert.orgExport('CpuModel') 7022155SN/A 7035863Snate@binkert.org# Sticky variables get saved in the variables file so they persist from 7041869SN/A# one invocation to the next (unless overridden, in which case the new 7051869SN/A# value becomes sticky). 7065863Snate@binkert.orgsticky_vars = Variables(args=ARGUMENTS) 7075863Snate@binkert.orgExport('sticky_vars') 7084202Sbinkertn@umich.edu 7096108Snate@binkert.org# Sticky variables that should be exported 7106108Snate@binkert.orgexport_vars = [] 7116108Snate@binkert.orgExport('export_vars') 7126108Snate@binkert.org 7134202Sbinkertn@umich.edu# Walk the tree and execute all SConsopts scripts that wil add to the 7145863Snate@binkert.org# above variables 7155742Snate@binkert.orgfor bdir in [ base_dir ] + extras_dir_list: 7165742Snate@binkert.org for root, dirs, files in os.walk(bdir): 7175341Sstever@gmail.com if 'SConsopts' in files: 7185342Sstever@gmail.com print "Reading", joinpath(root, 'SConsopts') 7195342Sstever@gmail.com SConscript(joinpath(root, 'SConsopts')) 7204202Sbinkertn@umich.edu 7214202Sbinkertn@umich.eduall_isa_list.sort() 7224202Sbinkertn@umich.edu 7235863Snate@binkert.orgsticky_vars.AddVariables( 7245863Snate@binkert.org EnumVariable('TARGET_ISA', 'Target ISA', 'alpha', all_isa_list), 7255863Snate@binkert.org BoolVariable('FULL_SYSTEM', 'Full-system support', False), 7266994Snate@binkert.org ListVariable('CPU_MODELS', 'CPU models', 7276994Snate@binkert.org sorted(n for n,m in CpuModel.dict.iteritems() if m.default), 7286994Snate@binkert.org sorted(CpuModel.list)), 7295863Snate@binkert.org BoolVariable('NO_FAST_ALLOC', 'Disable fast object allocator', False), 7305863Snate@binkert.org BoolVariable('FAST_ALLOC_DEBUG', 'Enable fast object allocator debugging', 7315863Snate@binkert.org False), 7325863Snate@binkert.org BoolVariable('FAST_ALLOC_STATS', 'Enable fast object allocator statistics', 7335863Snate@binkert.org False), 7345863Snate@binkert.org BoolVariable('EFENCE', 'Link with Electric Fence malloc debugger', 7355863Snate@binkert.org False), 7365863Snate@binkert.org BoolVariable('SS_COMPATIBLE_FP', 7375863Snate@binkert.org 'Make floating-point results compatible with SimpleScalar', 7385863Snate@binkert.org False), 7395863Snate@binkert.org BoolVariable('USE_SSE2', 7405863Snate@binkert.org 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts', 7415863Snate@binkert.org False), 7425863Snate@binkert.org BoolVariable('USE_MYSQL', 'Use MySQL for stats output', have_mysql), 7435863Snate@binkert.org BoolVariable('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), 7445863Snate@binkert.org BoolVariable('USE_CHECKER', 'Use checker for detailed CPU models', False), 7455952Ssaidi@eecs.umich.edu BoolVariable('CP_ANNOTATE', 'Enable critical path annotation capability', False), 7467450Sstever@gmail.com BoolVariable('RUBY', 'Build with Ruby', False), 7471869SN/A ) 7481858SN/A 7495863Snate@binkert.org# These variables get exported to #defines in config/*.hh (see src/SConscript). 7506108Snate@binkert.orgexport_vars += ['FULL_SYSTEM', 'USE_FENV', 'USE_MYSQL', 7516108Snate@binkert.org 'NO_FAST_ALLOC', 'FAST_ALLOC_DEBUG', 'FAST_ALLOC_STATS', 7526108Snate@binkert.org 'SS_COMPATIBLE_FP', 'USE_CHECKER', 'TARGET_ISA', 'CP_ANNOTATE'] 7531858SN/A 754955SN/A################################################### 755955SN/A# 7561869SN/A# Define a SCons builder for configuration flag headers. 7571869SN/A# 7581869SN/A################################################### 7591869SN/A 7601869SN/A# This function generates a config header file that #defines the 7615863Snate@binkert.org# variable symbol to the current variable setting (0 or 1). The source 7625863Snate@binkert.org# operands are the name of the variable and a Value node containing the 7635863Snate@binkert.org# value of the variable. 7641869SN/Adef build_config_file(target, source, env): 7655863Snate@binkert.org (variable, value) = [s.get_contents() for s in source] 7661869SN/A f = file(str(target[0]), 'w') 7675863Snate@binkert.org print >> f, '#define', variable, value 7681869SN/A f.close() 7691869SN/A return None 7701869SN/A 7711869SN/A# Generate the message to be printed when building the config file. 7721869SN/Adef build_config_file_string(target, source, env): 7735863Snate@binkert.org (variable, value) = [s.get_contents() for s in source] 7745863Snate@binkert.org return "Defining %s as %s in %s." % (variable, value, target[0]) 7751869SN/A 7761869SN/A# Combine the two functions into a scons Action object. 7771869SN/Aconfig_action = Action(build_config_file, build_config_file_string) 7781869SN/A 7791869SN/A# The emitter munges the source & target node lists to reflect what 7801869SN/A# we're really doing. 7811869SN/Adef config_emitter(target, source, env): 7825863Snate@binkert.org # extract variable name from Builder arg 7835863Snate@binkert.org variable = str(target[0]) 7841869SN/A # True target is config header file 7855863Snate@binkert.org target = joinpath('config', variable.lower() + '.hh') 7865863Snate@binkert.org val = env[variable] 7873356Sbinkertn@umich.edu if isinstance(val, bool): 7883356Sbinkertn@umich.edu # Force value to 0/1 7893356Sbinkertn@umich.edu val = int(val) 7903356Sbinkertn@umich.edu elif isinstance(val, str): 7913356Sbinkertn@umich.edu val = '"' + val + '"' 7924781Snate@binkert.org 7935863Snate@binkert.org # Sources are variable name & value (packaged in SCons Value nodes) 7945863Snate@binkert.org return ([target], [Value(variable), Value(val)]) 7951869SN/A 7961869SN/Aconfig_builder = Builder(emitter = config_emitter, action = config_action) 7971869SN/A 7986121Snate@binkert.orgmain.Append(BUILDERS = { 'ConfigFile' : config_builder }) 7991869SN/A 8002638Sstever@eecs.umich.edu# libelf build is shared across all configs in the build root. 8016121Snate@binkert.orgmain.SConscript('ext/libelf/SConscript', 8026121Snate@binkert.org variant_dir = joinpath(build_root, 'libelf')) 8032638Sstever@eecs.umich.edu 8045749Scws3k@cs.virginia.edu# gzstream build is shared across all configs in the build root. 8056121Snate@binkert.orgmain.SConscript('ext/gzstream/SConscript', 8066121Snate@binkert.org variant_dir = joinpath(build_root, 'gzstream')) 8075749Scws3k@cs.virginia.edu 8081869SN/A################################################### 8091869SN/A# 8103546Sgblack@eecs.umich.edu# This function is used to set up a directory with switching headers 8113546Sgblack@eecs.umich.edu# 8123546Sgblack@eecs.umich.edu################################################### 8133546Sgblack@eecs.umich.edu 8146121Snate@binkert.orgmain['ALL_ISA_LIST'] = all_isa_list 8155863Snate@binkert.orgdef make_switching_dir(dname, switch_headers, env): 8163546Sgblack@eecs.umich.edu # Generate the header. target[0] is the full path of the output 8173546Sgblack@eecs.umich.edu # header to generate. 'source' is a dummy variable, since we get the 8183546Sgblack@eecs.umich.edu # list of ISAs from env['ALL_ISA_LIST']. 8193546Sgblack@eecs.umich.edu def gen_switch_hdr(target, source, env): 8204781Snate@binkert.org fname = str(target[0]) 8214781Snate@binkert.org f = open(fname, 'w') 8226658Snate@binkert.org isa = env['TARGET_ISA'].lower() 8236658Snate@binkert.org print >>f, '#include "%s/%s/%s"' % (dname, isa, basename(fname)) 8244781Snate@binkert.org f.close() 8253546Sgblack@eecs.umich.edu 8263546Sgblack@eecs.umich.edu # Build SCons Action object. 'varlist' specifies env vars that this 8273546Sgblack@eecs.umich.edu # action depends on; when env['ALL_ISA_LIST'] changes these actions 8283546Sgblack@eecs.umich.edu # should get re-executed. 8297756SAli.Saidi@ARM.com switch_hdr_action = MakeAction(gen_switch_hdr, 8307756SAli.Saidi@ARM.com " [GENERATE] $STRIP_TARGET", varlist=['ALL_ISA_LIST']) 8313546Sgblack@eecs.umich.edu 8323546Sgblack@eecs.umich.edu # Instantiate actions for each header 8333546Sgblack@eecs.umich.edu for hdr in switch_headers: 8343546Sgblack@eecs.umich.edu env.Command(hdr, [], switch_hdr_action) 8354202Sbinkertn@umich.eduExport('make_switching_dir') 8363546Sgblack@eecs.umich.edu 8373546Sgblack@eecs.umich.edu################################################### 8383546Sgblack@eecs.umich.edu# 839955SN/A# Define build environments for selected configurations. 840955SN/A# 841955SN/A################################################### 842955SN/A 8435863Snate@binkert.orgfor variant_path in variant_paths: 8445863Snate@binkert.org print "Building in", variant_path 8455343Sstever@gmail.com 8465343Sstever@gmail.com # Make a copy of the build-root environment to use for this config. 8476121Snate@binkert.org env = main.Clone() 8485863Snate@binkert.org env['BUILDDIR'] = variant_path 8494773Snate@binkert.org 8505863Snate@binkert.org # variant_dir is the tail component of build path, and is used to 8512632Sstever@eecs.umich.edu # determine the build parameters (e.g., 'ALPHA_SE') 8525863Snate@binkert.org (build_root, variant_dir) = splitpath(variant_path) 8532023SN/A 8545863Snate@binkert.org # Set env variables according to the build directory config. 8555863Snate@binkert.org sticky_vars.files = [] 8565863Snate@binkert.org # Variables for $BUILD_ROOT/$VARIANT_DIR are stored in 8575863Snate@binkert.org # $BUILD_ROOT/variables/$VARIANT_DIR so you can nuke 8585863Snate@binkert.org # $BUILD_ROOT/$VARIANT_DIR without losing your variables settings. 8595863Snate@binkert.org current_vars_file = joinpath(build_root, 'variables', variant_dir) 8605863Snate@binkert.org if isfile(current_vars_file): 8615863Snate@binkert.org sticky_vars.files.append(current_vars_file) 8625863Snate@binkert.org print "Using saved variables file %s" % current_vars_file 8632632Sstever@eecs.umich.edu else: 8645863Snate@binkert.org # Build dir-specific variables file doesn't exist. 8652023SN/A 8662632Sstever@eecs.umich.edu # Make sure the directory is there so we can create it later 8675863Snate@binkert.org opt_dir = dirname(current_vars_file) 8685342Sstever@gmail.com if not isdir(opt_dir): 8695863Snate@binkert.org mkdir(opt_dir) 8702632Sstever@eecs.umich.edu 8715863Snate@binkert.org # Get default build variables from source tree. Variables are 8725863Snate@binkert.org # normally determined by name of $VARIANT_DIR, but can be 8732632Sstever@eecs.umich.edu # overriden by 'default=' arg on command line. 8745863Snate@binkert.org default_vars_file = joinpath('build_opts', 8755863Snate@binkert.org ARGUMENTS.get('default', variant_dir)) 8765863Snate@binkert.org if isfile(default_vars_file): 8775863Snate@binkert.org sticky_vars.files.append(default_vars_file) 8785863Snate@binkert.org print "Variables file %s not found,\n using defaults in %s" \ 8795863Snate@binkert.org % (current_vars_file, default_vars_file) 8802632Sstever@eecs.umich.edu else: 8815863Snate@binkert.org print "Error: cannot find variables file %s or %s" \ 8825863Snate@binkert.org % (current_vars_file, default_vars_file) 8832632Sstever@eecs.umich.edu Exit(1) 8841888SN/A 8855863Snate@binkert.org # Apply current variable settings to env 8865863Snate@binkert.org sticky_vars.Update(env) 8871858SN/A 8885863Snate@binkert.org help_text += "\nSticky variables for %s:\n" % variant_dir \ 8897756SAli.Saidi@ARM.com + sticky_vars.GenerateHelpText(env) 8902598SN/A 8915863Snate@binkert.org # Process variable settings. 8921858SN/A 8931858SN/A if not have_fenv and env['USE_FENV']: 8941858SN/A print "Warning: <fenv.h> not available; " \ 8955863Snate@binkert.org "forcing USE_FENV to False in", variant_dir + "." 8961858SN/A env['USE_FENV'] = False 8971858SN/A 8981858SN/A if not env['USE_FENV']: 8995863Snate@binkert.org print "Warning: No IEEE FP rounding mode control in", variant_dir + "." 9001871SN/A print " FP results may deviate slightly from other platforms." 9011858SN/A 9021858SN/A if env['EFENCE']: 9031858SN/A env.Append(LIBS=['efence']) 9041858SN/A 9051858SN/A if env['USE_MYSQL']: 9061858SN/A if not have_mysql: 9071858SN/A print "Warning: MySQL not available; " \ 9085863Snate@binkert.org "forcing USE_MYSQL to False in", variant_dir + "." 9091858SN/A env['USE_MYSQL'] = False 9101858SN/A else: 9115863Snate@binkert.org print "Compiling in", variant_dir, "with MySQL support." 9121859SN/A env.ParseConfig(mysql_config_libs) 9131859SN/A env.ParseConfig(mysql_config_include) 9141869SN/A 9155863Snate@binkert.org # Save sticky variable settings back to current variables file 9165863Snate@binkert.org sticky_vars.Save(current_vars_file, env) 9171869SN/A 9181965SN/A if env['USE_SSE2']: 9197739Sgblack@eecs.umich.edu env.Append(CCFLAGS=['-msse2']) 9201965SN/A 9212761Sstever@eecs.umich.edu # The src/SConscript file sets up the build rules in 'env' according 9225863Snate@binkert.org # to the configured variables. It returns a list of environments, 9231869SN/A # one for each variant build (debug, opt, etc.) 9245863Snate@binkert.org envList = SConscript('src/SConscript', variant_dir = variant_path, 9252667Sstever@eecs.umich.edu exports = 'env') 9261869SN/A 9271869SN/A # Set up the regression tests for each build. 9282929Sktlim@umich.edu for e in envList: 9292929Sktlim@umich.edu SConscript('tests/SConscript', 9305863Snate@binkert.org variant_dir = joinpath(variant_path, 'tests', e.Label), 9312929Sktlim@umich.edu exports = { 'env' : e }, duplicate = False) 932955SN/A 9332598SN/AHelp(help_text) 934