diff options
Diffstat (limited to 'src/SConscript')
| -rw-r--r-- | src/SConscript | 203 |
1 files changed, 182 insertions, 21 deletions
diff --git a/src/SConscript b/src/SConscript index 5efd2f794..34c5453b7 100644 --- a/src/SConscript +++ b/src/SConscript @@ -30,28 +30,71 @@ import os import sys +import zipfile +from os.path import basename from os.path import join as joinpath +import SCons + # This file defines how to build a particular configuration of M5 # based on variable settings in the 'env' build environment. Import('*') +# Children need to see the environment +Export('env') + +######################################################################## +# Code for adding source files +# sources = [] -def Source(*args): - for arg in args: - if isinstance(arg, (list, tuple)): - # Recurse to load a list - Source(*arg) - elif isinstance(arg, str): - sources.extend([ File(f) for f in Split(arg) ]) - else: - sources.append(File(arg)) +def Source(source): + if isinstance(source, SCons.Node.FS.File): + sources.append(source) + else: + sources.append(File(source)) -Export('env') +# Children should have access Export('Source') +######################################################################## +# Code for adding python objects +# +py_sources = [] +py_source_packages = {} +def PySource(package, source): + if not isinstance(source, SCons.Node.FS.File): + source = File(source) + py_source_packages[source] = package + py_sources.append(source) + +sim_objects = [] +def SimObject(source): + if not isinstance(source, SCons.Node.FS.File): + source = File(source) + PySource('m5.objects', source) + modname = basename(str(source)) + sim_objects.append(modname) + +swig_sources = [] +swig_source_packages = {} +def SwigSource(package, source): + if not isinstance(source, SCons.Node.FS.File): + source = File(source) + swig_source_packages[source] = package + swig_sources.append(source) + +# Children should have access +Export('PySource') +Export('SimObject') +Export('SwigSource') + +######################################################################## +# +# Set some compiler variables +# + # Include file paths are rooted in this directory. SCons will # automatically expand '.' to refer to both the source directory and # the corresponding build directory to pick up generated include @@ -61,7 +104,9 @@ env.Append(CPPPATH=Dir('.')) # Add a flag defining what THE_ISA should be for all compilation env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())]) +######################################################################## # Walk the tree and execute all SConscripts +# scripts = [] srcdir = env['SRCDIR'] for root, dirs, files in os.walk(srcdir, topdown=True): @@ -78,6 +123,132 @@ for root, dirs, files in os.walk(srcdir, topdown=True): for opt in env.ExportOptions: env.ConfigFile(opt) +######################################################################## +# +# Deal with python/swig, object code. Collect .py files and +# generating a zip archive that is appended to the m5 binary. +# + +# Generate Python file that contains a dict specifying the current +# build_env flags. +def MakeDefinesPyFile(target, source, env): + f = file(str(target[0]), 'w') + print >>f, "m5_build_env = ", source[0] + f.close() + +optionDict = dict([(opt, env[opt]) for opt in env.ExportOptions]) +env.Command('python/m5/defines.py', Value(optionDict), MakeDefinesPyFile) +PySource('m5', 'python/m5/defines.py') + +def MakeInfoPyFile(target, source, env): + f = file(str(target[0]), 'w') + for src in source: + data = ''.join(file(src.srcnode().abspath, 'r').xreadlines()) + print >>f, "%s = %s" % (src, repr(data)) + f.close() + +env.Command('python/m5/info.py', + [ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ], + MakeInfoPyFile) +PySource('m5', 'python/m5/info.py') + +def MakeObjectsInitFile(target, source, env): + f = file(str(target[0]), 'w') + print >>f, 'from m5.SimObject import *' + for src_path in source: + src_file = basename(src_path.get_contents()) + assert(src_file.endswith('.py')) + src_module = src_file[:-3] + print >>f, 'from %s import *' % src_module + f.close() + +env.Command('python/m5/objects/__init__.py', + [ Value(o) for o in sim_objects], + MakeObjectsInitFile) +PySource('m5.objects', 'python/m5/objects/__init__.py') + +swig_modules = [] +for source in swig_sources: + source.rfile() # Hack to cause the symlink to the .i file to be created + package = swig_source_packages[source] + filename = str(source) + module = basename(filename) + + assert(module.endswith('.i')) + module = module[:-2] + cc_file = 'swig/%s_wrap.cc' % module + py_file = 'm5/internal/%s.py' % module + + env.Command([cc_file, py_file], source, + '$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} ' + '-o ${TARGETS[0]} $SOURCES') + env.Depends(py_file, source) + env.Depends(cc_file, source) + + swig_modules.append(Value(module)) + Source(cc_file) + PySource(package, py_file) + +def MakeSwigInit(target, source, env): + f = file(str(target[0]), 'w') + print >>f, 'extern "C" {' + for module in source: + print >>f, ' void init_%s();' % module.get_contents() + print >>f, '}' + print >>f, 'void init_swig() {' + for module in source: + print >>f, ' init_%s();' % module.get_contents() + print >>f, '}' + f.close() +env.Command('python/swig/init.cc', swig_modules, MakeSwigInit) + +def CompilePyFile(target, source, env): + import py_compile + py_compile.compile(str(source[0]), str(target[0])) + +py_compiled = [] +py_arcname = {} +py_zip_depends = [] +for source in py_sources: + filename = str(source) + package = py_source_packages[source] + arc_path = package.split('.') + [ basename(filename) + 'c' ] + zip_path = [ 'zip' ] + arc_path + arcname = joinpath(*arc_path) + zipname = joinpath(*zip_path) + f = File(zipname) + + env.Command(f, source, CompilePyFile) + py_compiled.append(f) + py_arcname[f] = arcname + + # make the zipfile depend on the archive name so that the archive + # is rebuilt if the name changes + py_zip_depends.append(Value(arcname)) + +# Action function to build the zip archive. Uses the PyZipFile module +# included in the standard Python library. +def buildPyZip(target, source, env): + zf = zipfile.ZipFile(str(target[0]), 'w') + for s in source: + arcname = py_arcname[s] + zipname = str(s) + zf.write(zipname, arcname) + zf.close() + +# Add the zip file target to the environment. +env.Command('m5py.zip', py_compiled, buildPyZip) +env.Depends('m5py.zip', py_zip_depends) + +######################################################################## +# +# Define binaries. Each different build type (debug, opt, etc.) gets +# a slightly different build environment. +# + +# List of constructed environments to pass back to SConstruct +envList = [] + # This function adds the specified sources to the given build # environment, and returns a list of all the corresponding SCons # Object nodes (including an extra one for date.cc). We explicitly @@ -92,16 +263,6 @@ def make_objs(sources, env): objs.append(date_obj) return objs -################################################### -# -# Define binaries. Each different build type (debug, opt, etc.) gets -# a slightly different build environment. -# -################################################### - -# List of constructed environments to pass back to SConstruct -envList = [] - # Function to create a new build environment as clone of current # environment 'env' with modified object suffix and optional stripped # binary. Additional keyword arguments are appended to corresponding @@ -120,7 +281,7 @@ def makeEnv(label, objsfx, strip = False, **kwargs): else: newEnv.Command(stripped_bin, bin, 'strip $SOURCE -o $TARGET') bin = stripped_bin - targets = newEnv.Concat(exe, [bin, 'python/m5py.zip']) + targets = newEnv.Concat(exe, [bin, 'm5py.zip']) newEnv.M5Binary = targets[0] envList.append(newEnv) |