I know you said there was some mercurial weirdness that happened, but
what's going on for x86 here? Is this a mistake and should it be
addressed somehow? I don't want to pull if something will get
erased/regressed/etc.

Gabe

Korey Sewell wrote:
> changeset 783bacbf839d in /z/repo/m5
> details: http://repo.m5sim.org/m5?cmd=changeset;node=783bacbf839d
> description:
>       merge code
>
> diffstat:
>
> 12 files changed, 711 insertions(+), 667 deletions(-)
> SConstruct                  |    2 
> src/SConscript              |  371 +++++++++++----------
> src/arch/x86/faults.cc      |   10 
> src/arch/x86/miscregfile.cc |  114 ++++--
> src/arch/x86/miscregfile.hh |    2 
> src/arch/x86/miscregs.hh    |    7 
> src/arch/x86/predecoder.cc  |   78 ----
> src/arch/x86/predecoder.hh  |    5 
> src/arch/x86/process.cc     |   36 +-
> src/arch/x86/tlb.cc         |  749 +++++++++++++++++++++----------------------
> src/arch/x86/tlb.hh         |    2 
> src/sim/SConscript          |    2 
>
> diffs (truncated from 1875 to 300 lines):
>
> diff -r 7e5c7412ac89 -r 783bacbf839d SConstruct
> --- a/SConstruct      Tue May 05 02:39:05 2009 -0400
> +++ b/SConstruct      Tue May 05 02:44:21 2009 -0400
> @@ -394,7 +394,7 @@
>  if main['GCC']:
>      main.Append(CCFLAGS='-pipe')
>      main.Append(CCFLAGS='-fno-strict-aliasing')
> -    main.Append(CCFLAGS=Split('-Wall -Wno-sign-compare -Werror -Wundef'))
> +    main.Append(CCFLAGS=['-Wall', '-Wno-sign-compare', '-Wundef'])
>      main.Append(CXXFLAGS='-Wno-deprecated')
>  elif main['ICC']:
>      pass #Fix me... add warning flags once we clean up icc warnings
> diff -r 7e5c7412ac89 -r 783bacbf839d src/SConscript
> --- a/src/SConscript  Tue May 05 02:39:05 2009 -0400
> +++ b/src/SConscript  Tue May 05 02:44:21 2009 -0400
> @@ -29,6 +29,7 @@
>  # Authors: Nathan Binkert
>  
>  import array
> +import bisect
>  import imp
>  import marshal
>  import os
> @@ -50,122 +51,144 @@
>  
>  build_env = dict([(opt, env[opt]) for opt in export_vars])
>  
> -def sort_list(_list):
> -    """return a sorted copy of '_list'"""
> -    if isinstance(_list, list):
> -        _list = _list[:]
> -    else:
> -        _list = list(_list)
> -    _list.sort()
> -    return _list
> +########################################################################
> +# Code for adding source files of various types
> +#
> +class SourceMeta(type):
> +    def __init__(cls, name, bases, dict):
> +        super(SourceMeta, cls).__init__(name, bases, dict)
> +        cls.all = []
> +        
> +    def get(cls, **kwargs):
> +        for src in cls.all:
> +            for attr,value in kwargs.iteritems():
> +                if getattr(src, attr) != value:
> +                    break
> +            else:
> +                yield src
>  
> -class PySourceFile(object):
> +class SourceFile(object):
> +    __metaclass__ = SourceMeta
> +    def __init__(self, source):
> +        tnode = source
> +        if not isinstance(source, SCons.Node.FS.File):
> +            tnode = File(source)
> +
> +        self.tnode = tnode
> +        self.snode = tnode.srcnode()
> +        self.filename = str(tnode)
> +        self.dirname = dirname(self.filename)
> +        self.basename = basename(self.filename)
> +        index = self.basename.rfind('.')
> +        if index <= 0:
> +            # dot files aren't extensions
> +            self.extname = self.basename, None
> +        else:
> +            self.extname = self.basename[:index], self.basename[index+1:]
> +
> +        for base in type(self).__mro__:
> +            if issubclass(base, SourceFile):
> +                bisect.insort_right(base.all, self)       
> +
> +    def __lt__(self, other): return self.filename < other.filename
> +    def __le__(self, other): return self.filename <= other.filename
> +    def __gt__(self, other): return self.filename > other.filename
> +    def __ge__(self, other): return self.filename >= other.filename
> +    def __eq__(self, other): return self.filename == other.filename
> +    def __ne__(self, other): return self.filename != other.filename
> +        
> +class Source(SourceFile):
> +    '''Add a c/c++ source file to the build'''
> +    def __init__(self, source, Werror=True, swig=False, bin_only=False,
> +                 skip_lib=False):
> +        super(Source, self).__init__(source)
> +
> +        self.Werror = Werror
> +        self.swig = swig
> +        self.bin_only = bin_only
> +        self.skip_lib = bin_only or skip_lib
> +
> +class PySource(SourceFile):
> +    '''Add a python source file to the named package'''
>      invalid_sym_char = re.compile('[^A-z0-9_]')
> -    def __init__(self, package, tnode):
> -        snode = tnode.srcnode()
> -        filename = str(tnode)
> -        pyname = basename(filename)
> -        assert pyname.endswith('.py')
> -        name = pyname[:-3]
> +    modules = {}
> +    tnodes = {}
> +    symnames = {}
> +    
> +    def __init__(self, package, source):
> +        super(PySource, self).__init__(source)
> +
> +        modname,ext = self.extname
> +        assert ext == 'py'
> +
>          if package:
>              path = package.split('.')
>          else:
>              path = []
>  
>          modpath = path[:]
> -        if name != '__init__':
> -            modpath += [name]
> +        if modname != '__init__':
> +            modpath += [ modname ]
>          modpath = '.'.join(modpath)
>  
> -        arcpath = path + [ pyname ]
> -        arcname = joinpath(*arcpath)
> +        arcpath = path + [ self.basename ]
> +        debugname = self.snode.abspath
> +        if not exists(debugname):
> +            debugname = self.tnode.abspath
>  
> -        debugname = snode.abspath
> -        if not exists(debugname):
> -            debugname = tnode.abspath
> +        self.package = package
> +        self.modname = modname
> +        self.modpath = modpath
> +        self.arcname = joinpath(*arcpath)
> +        self.debugname = debugname
> +        self.compiled = File(self.filename + 'c')
> +        self.assembly = File(self.filename + '.s')
> +        self.symname = "PyEMB_" + PySource.invalid_sym_char.sub('_', modpath)
>  
> -        self.tnode = tnode
> -        self.snode = snode
> -        self.pyname = pyname
> -        self.package = package
> -        self.modpath = modpath
> -        self.arcname = arcname
> -        self.debugname = debugname
> -        self.compiled = File(filename + 'c')
> -        self.assembly = File(filename + '.s')
> -        self.symname = "PyEMB_" + self.invalid_sym_char.sub('_', modpath)
> -        
> +        PySource.modules[modpath] = self
> +        PySource.tnodes[self.tnode] = self
> +        PySource.symnames[self.symname] = self
>  
> -########################################################################
> -# Code for adding source files of various types
> -#
> -cc_lib_sources = []
> -def Source(source):
> -    '''Add a source file to the libm5 build'''
> -    if not isinstance(source, SCons.Node.FS.File):
> -        source = File(source)
> -
> -    cc_lib_sources.append(source)
> -
> -cc_bin_sources = []
> -def BinSource(source):
> -    '''Add a source file to the m5 binary build'''
> -    if not isinstance(source, SCons.Node.FS.File):
> -        source = File(source)
> -
> -    cc_bin_sources.append(source)
> -
> -py_sources = []
> -def PySource(package, source):
> -    '''Add a python source file to the named package'''
> -    if not isinstance(source, SCons.Node.FS.File):
> -        source = File(source)
> -
> -    source = PySourceFile(package, source)
> -    py_sources.append(source)
> -
> -sim_objects_fixed = False
> -sim_object_modfiles = set()
> -def SimObject(source):
> +class SimObject(PySource):
>      '''Add a SimObject python file as a python source object and add
>      it to a list of sim object modules'''
>  
> -    if sim_objects_fixed:
> -        raise AttributeError, "Too late to call SimObject now."
> +    fixed = False
> +    modnames = []
>  
> -    if not isinstance(source, SCons.Node.FS.File):
> -        source = File(source)
> +    def __init__(self, source):
> +        super(SimObject, self).__init__('m5.objects', source)
> +        if self.fixed:
> +            raise AttributeError, "Too late to call SimObject now."
>  
> -    PySource('m5.objects', source)
> -    modfile = basename(str(source))
> -    assert modfile.endswith('.py')
> -    modname = modfile[:-3]
> -    sim_object_modfiles.add(modname)
> +        bisect.insort_right(SimObject.modnames, self.modname)
>  
> -swig_sources = []
> -def SwigSource(package, source):
> +class SwigSource(SourceFile):
>      '''Add a swig file to build'''
> -    if not isinstance(source, SCons.Node.FS.File):
> -        source = File(source)
> -    val = source,package
> -    swig_sources.append(val)
> +
> +    def __init__(self, package, source):
> +        super(SwigSource, self).__init__(source)
> +
> +        modname,ext = self.extname
> +        assert ext == 'i'
> +
> +        self.module = modname
> +        cc_file = joinpath(self.dirname, modname + '_wrap.cc')
> +        py_file = joinpath(self.dirname, modname + '.py')
> +
> +        self.cc_source = Source(cc_file, swig=True)
> +        self.py_source = PySource(package, py_file)
>  
>  unit_tests = []
>  def UnitTest(target, sources):
>      if not isinstance(sources, (list, tuple)):
>          sources = [ sources ]
> -    
> -    srcs = []
> -    for source in sources:
> -        if not isinstance(source, SCons.Node.FS.File):
> -            source = File(source)
> -        srcs.append(source)
> -            
> -    unit_tests.append((target, srcs))
> +
> +    sources = [ Source(src, skip_lib=True) for src in sources ]
> +    unit_tests.append((target, sources))
>  
>  # Children should have access
>  Export('Source')
> -Export('BinSource')
>  Export('PySource')
>  Export('SimObject')
>  Export('SwigSource')
> @@ -276,7 +299,8 @@
>          if fullname.startswith('m5.internal'):
>              return None
>  
> -        if fullname in self.modules and exists(self.modules[fullname]):
> +        source = self.modules.get(fullname, None)
> +        if source is not None and exists(source.snode.abspath):
>              return self
>  
>          return None
> @@ -295,34 +319,28 @@
>              mod.__dict__['buildEnv'] = build_env
>              return mod
>  
> -        srcfile = self.modules[fullname]
> -        if basename(srcfile) == '__init__.py':
> -            mod.__path__ = fullname.split('.')
> -        mod.__file__ = srcfile
> +        source = self.modules[fullname]
> +        if source.modname == '__init__':
> +            mod.__path__ = source.modpath
> +        mod.__file__ = source.snode.abspath
>  
> -        exec file(srcfile, 'r') in mod.__dict__
> +        exec file(source.snode.abspath, 'r') in mod.__dict__
>  
>          return mod
>  
> -py_modules = {}
> -for source in py_sources:
> -    py_modules[source.modpath] = source.snode.abspath
> -
>  # install the python importer so we can grab stuff from the source
>  # tree itself.  We can't have SimObjects added after this point or
>  # else we won't know about them for the rest of the stuff.
> -sim_objects_fixed = True
> -importer = DictImporter(py_modules)
> +SimObject.fixed = True
> +importer = DictImporter(PySource.modules)
>  sys.meta_path[0:0] = [ importer ]
>  
>  import m5
>  
>  # import all sim objects so we can populate the all_objects list
> _______________________________________________
> m5-dev mailing list
> [email protected]
> http://m5sim.org/mailman/listinfo/m5-dev
>   

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