SConscript (6329:5d8b91875859) | SConscript (6993:a24d88e850e2) |
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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 | 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 |
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93# Convert to File node to fix path | 97# Convert to File node to fix path |
94isa_parser = File('isa_parser.py') | |
95cpu_models_file = File('../cpu/cpu_models.py') 96 97# This sucks in the defintions of the CpuModel objects. 98execfile(cpu_models_file.srcnode().abspath) 99 | 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 |
100# Several files are generated from the ISA description. 101# We always get the basic decoder and header file. 102isa_desc_gen_files = [ 'decoder.cc', 'decoder.hh', 'max_inst_regs.hh' ] 103# We also get an execute file for each selected CPU model. 104isa_desc_gen_files += [CpuModel.dict[cpu].filename 105 for cpu in env['CPU_MODELS']] 106 107# Also include the CheckerCPU as one of the models if it is being 108# enabled via command line. 109if env['USE_CHECKER']: 110 isa_desc_gen_files += [CpuModel.dict['CheckerCPU'].filename] 111 | |
112# The emitter patches up the sources & targets to include the 113# autogenerated files as targets and isa parser itself as a source. 114def isa_desc_emitter(target, source, env): | 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): |
115 return (isa_desc_gen_files, [isa_parser, cpu_models_file] + source) | 106 cpu_models = list(env['CPU_MODELS']) 107 if env['USE_CHECKER']: 108 cpu_models.append('CheckerCPU') |
116 | 109 |
117# Pieces are in place, so create the builder. 118python = sys.executable # use same Python binary used to run scons | 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] |
119 | 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 |
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120# Also include the CheckerCPU as one of the models if it is being 121# enabled via command line. | 130# Also include the CheckerCPU as one of the models if it is being 131# enabled via command line. |
122if env['USE_CHECKER']: 123 isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS CheckerCPU', 124 emitter = isa_desc_emitter) 125else: 126 isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS', 127 emitter = isa_desc_emitter) | 132isa_desc_builder = Builder(action=isa_desc_action, emitter=isa_desc_emitter) |
128 129env.Append(BUILDERS = { 'ISADesc' : isa_desc_builder }) 130 131TraceFlag('IntRegs') 132TraceFlag('FloatRegs') 133TraceFlag('MiscRegs') 134CompoundFlag('Registers', [ 'IntRegs', 'FloatRegs', 'MiscRegs' ]) | 133 134env.Append(BUILDERS = { 'ISADesc' : isa_desc_builder }) 135 136TraceFlag('IntRegs') 137TraceFlag('FloatRegs') 138TraceFlag('MiscRegs') 139CompoundFlag('Registers', [ 'IntRegs', 'FloatRegs', 'MiscRegs' ]) |