SConscript (6329:5d8b91875859) SConscript (6993:a24d88e850e2)
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

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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
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
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' ])