diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/SConscript | 49 |
1 files changed, 27 insertions, 22 deletions
diff --git a/src/arch/SConscript b/src/arch/SConscript index 6dfcba185..61b570313 100644 --- a/src/arch/SConscript +++ b/src/arch/SConscript @@ -90,41 +90,46 @@ env.Append(SCANNERS = isa_scanner) # output from the ISA description (*.isa) files. # +# +# Grab the CPU Model information +# + # Convert to File node to fix path -isa_parser = File('isa_parser.py') cpu_models_file = File('../cpu/cpu_models.py') # This sucks in the defintions of the CpuModel objects. execfile(cpu_models_file.srcnode().abspath) -# Several files are generated from the ISA description. -# We always get the basic decoder and header file. -isa_desc_gen_files = [ 'decoder.cc', 'decoder.hh', 'max_inst_regs.hh' ] -# We also get an execute file for each selected CPU model. -isa_desc_gen_files += [CpuModel.dict[cpu].filename - for cpu in env['CPU_MODELS']] - -# Also include the CheckerCPU as one of the models if it is being -# enabled via command line. -if env['USE_CHECKER']: - isa_desc_gen_files += [CpuModel.dict['CheckerCPU'].filename] - # The emitter patches up the sources & targets to include the # autogenerated files as targets and isa parser itself as a source. def isa_desc_emitter(target, source, env): - return (isa_desc_gen_files, [isa_parser, cpu_models_file] + source) + cpu_models = list(env['CPU_MODELS']) + if env['USE_CHECKER']: + cpu_models.append('CheckerCPU') + + # Several files are generated from the ISA description. + # We always get the basic decoder and header file. + target = [ 'decoder.cc', 'decoder.hh', 'max_inst_regs.hh' ] + # We also get an execute file for each selected CPU model. + target += [CpuModel.dict[cpu].filename for cpu in cpu_models] + + return target, source + [ Value(m) for m in cpu_models ] + +ARCH_DIR = Dir('.') + +def isa_desc_action(target, source, env): + # Add the current directory to the system path so we can import files + sys.path[0:0] = [ ARCH_DIR.srcnode().abspath ] + import isa_parser -# Pieces are in place, so create the builder. -python = sys.executable # use same Python binary used to run scons + models = [ s.get_contents() for s in source[1:] ] + cpu_models = [CpuModel.dict[cpu] for cpu in models] + parser = isa_parser.ISAParser(target[0].dir.abspath, cpu_models) + parser.parse_isa_desc(source[0].abspath) # Also include the CheckerCPU as one of the models if it is being # enabled via command line. -if env['USE_CHECKER']: - isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS CheckerCPU', - emitter = isa_desc_emitter) -else: - isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS', - emitter = isa_desc_emitter) +isa_desc_builder = Builder(action=isa_desc_action, emitter=isa_desc_emitter) env.Append(BUILDERS = { 'ISADesc' : isa_desc_builder }) |