diff options
Diffstat (limited to 'configure.py')
| -rwxr-xr-x | configure.py | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/configure.py b/configure.py index 800af6cf1..97fd44816 100755 --- a/configure.py +++ b/configure.py @@ -115,6 +115,15 @@ def process_command_line(args): target_group.add_option('--with-endian', metavar='ORDER', default=None, help='override guess of CPU byte order') + target_group.add_option('--with-unaligned-mem', + dest='unaligned_mem', action='store_true', + default=None, + help='enable unaligned memory accesses') + + target_group.add_option('--without-unaligned-mem', + dest='unaligned_mem', action='store_false', + help=SUPPRESS_HELP) + build_group = OptionGroup(parser, 'Build options') build_group.add_option('--enable-shared', dest='build_shared_lib', @@ -404,7 +413,7 @@ class ArchInfo(object): self.submodel_aliases.items(), key = lambda k: len(k[0]), reverse = True) - def defines(self, target_submodel, with_endian): + def defines(self, target_submodel, with_endian, unaligned_ok): macros = ['TARGET_ARCH_IS_%s' % (self.basename.upper())] def form_cpu_macro(cpu_name): @@ -419,7 +428,12 @@ class ArchInfo(object): elif self.endian != None: macros.append('TARGET_CPU_IS_%s_ENDIAN' % (self.endian.upper())) - macros.append('TARGET_UNALIGNED_LOADSTORE_OK %d' % (self.unaligned_ok)) + if unaligned_ok is None: + unaligned_ok = self.unaligned_ok + + if unaligned_ok: + logging.info('Assuming unaligned memory access works on this CPU') + macros.append('TARGET_UNALIGNED_LOADSTORE_OK %d' % (unaligned_ok)) return macros @@ -725,7 +739,8 @@ def create_template_vars(build_config, options, modules, cc, arch, osinfo): cc.defines(options.with_tr1)), 'target_cpu_defines': make_cpp_macros( - arch.defines(options.cpu, options.with_endian)), + arch.defines(options.cpu, options.with_endian, + options.unaligned_mem)), 'include_files': makefile_list(build_config.headers), @@ -861,7 +876,7 @@ def choose_modules_to_use(options, modules): logging.info('Skipping mod because %s - %s' % ( reason, ' '.join(disabled_mods))) - logging.info('Loading modules %s', ' '.join(sorted(to_load))) + logging.debug('Loading modules %s', ' '.join(sorted(to_load))) return [modules[mod] for mod in to_load] |