1# -*- mode:python -*- 2 3# Copyright (c) 2006 The Regents of The University of Michigan 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are 8# met: redistributions of source code must retain the above copyright --- 76 unchanged lines hidden (view full) --- 85 86env.Append(SCANNERS = isa_scanner) 87 88# 89# Now create a Builder object that uses isa_parser.py to generate C++ 90# output from the ISA description (*.isa) files. 91# 92 |
93# 94# Grab the CPU Model information 95# 96 |
97# Convert to File node to fix path |
98cpu_models_file = File('../cpu/cpu_models.py') 99 100# This sucks in the defintions of the CpuModel objects. 101execfile(cpu_models_file.srcnode().abspath) 102 |
103# The emitter patches up the sources & targets to include the 104# autogenerated files as targets and isa parser itself as a source. 105def isa_desc_emitter(target, source, env): |
106 cpu_models = list(env['CPU_MODELS']) 107 if env['USE_CHECKER']: 108 cpu_models.append('CheckerCPU') |
109 |
110 # Several files are generated from the ISA description. 111 # We always get the basic decoder and header file. 112 target = [ 'decoder.cc', 'decoder.hh', 'max_inst_regs.hh' ] 113 # We also get an execute file for each selected CPU model. 114 target += [CpuModel.dict[cpu].filename for cpu in cpu_models] |
115 |
116 return target, source + [ Value(m) for m in cpu_models ] 117 118ARCH_DIR = Dir('.') 119 120def isa_desc_action(target, source, env): 121 # Add the current directory to the system path so we can import files 122 sys.path[0:0] = [ ARCH_DIR.srcnode().abspath ] 123 import isa_parser 124 125 models = [ s.get_contents() for s in source[1:] ] 126 cpu_models = [CpuModel.dict[cpu] for cpu in models] 127 parser = isa_parser.ISAParser(target[0].dir.abspath, cpu_models) 128 parser.parse_isa_desc(source[0].abspath) 129 |
130# Also include the CheckerCPU as one of the models if it is being 131# enabled via command line. |
132isa_desc_builder = Builder(action=isa_desc_action, emitter=isa_desc_emitter) |
133 134env.Append(BUILDERS = { 'ISADesc' : isa_desc_builder }) 135 136TraceFlag('IntRegs') 137TraceFlag('FloatRegs') 138TraceFlag('MiscRegs') 139CompoundFlag('Registers', [ 'IntRegs', 'FloatRegs', 'MiscRegs' ]) |