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 9# notice, this list of conditions and the following disclaimer; 10# redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution; 13# neither the name of the copyright holders nor the names of its 14# contributors may be used to endorse or promote products derived from 15# this software without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28# 29# Authors: Steve Reinhardt 30 31import os 32import os.path 33 34# Import build environment variable from SConstruct. 35Import('env') 36 37################################################################# 38# 39# Generate StaticInst execute() method signatures. 40# 41# There must be one signature for each CPU model compiled in. 42# Since the set of compiled-in models is flexible, we generate a 43# header containing the appropriate set of signatures on the fly. 44# 45################################################################# 46 47# CPU model-specific data is contained in cpu_models.py 48# Convert to SCons File node to get path handling 49models_db = File('cpu_models.py') 50# slurp in contents of file 51execfile(models_db.srcnode().abspath) 52 53# Template for execute() signature. 54exec_sig_template = ''' 55virtual Fault execute(%s *xc, Trace::InstRecord *traceData) const = 0; 56virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const 57{ panic("initiateAcc not defined!"); }; 58virtual Fault completeAcc(Packet *pkt, %s *xc, 59 Trace::InstRecord *traceData) const 60{ panic("completeAcc not defined!"); }; 61''' 62 63mem_ini_sig_template = ''' 64virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); }; 65''' 66 67mem_comp_sig_template = ''' 68virtual Fault completeAcc(uint8_t *data, %s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); return NoFault; }; 69''' 70 71# Generate a temporary CPU list, including the CheckerCPU if 72# it's enabled. This isn't used for anything else other than StaticInst 73# headers. 74temp_cpu_list = env['CPU_MODELS'][:] 75 76if env['USE_CHECKER']: 77 temp_cpu_list.append('CheckerCPU') 78 79# Generate header. 80def gen_cpu_exec_signatures(target, source, env): 81 f = open(str(target[0]), 'w') 82 print >> f, ''' 83#ifndef __CPU_STATIC_INST_EXEC_SIGS_HH__ 84#define __CPU_STATIC_INST_EXEC_SIGS_HH__ 85''' 86 for cpu in temp_cpu_list: 87 xc_type = CpuModel.dict[cpu].strings['CPU_exec_context'] 88 print >> f, exec_sig_template % (xc_type, xc_type, xc_type) 89 print >> f, ''' 90#endif // __CPU_STATIC_INST_EXEC_SIGS_HH__ 91''' 92 93# Generate string that gets printed when header is rebuilt 94def gen_sigs_string(target, source, env): 95 return "Generating static_inst_exec_sigs.hh: " \ 96 + ', '.join(temp_cpu_list) 97 98# Add command to generate header to environment. 99env.Command('static_inst_exec_sigs.hh', models_db, 100 Action(gen_cpu_exec_signatures, gen_sigs_string, 101 varlist = temp_cpu_list)) 102 103env.Depends('static_inst_exec_sigs.hh', Value(env['USE_CHECKER'])) 104env.Depends('static_inst_exec_sigs.hh', Value(env['CPU_MODELS'])) 105 106# List of suppported CPUs by the Checker. Errors out if USE_CHECKER=True 107# and one of these are not being used. 108CheckerSupportedCPUList = ['O3CPU', 'OzoneCPU'] 109 110################################################################# 111# 112# Include CPU-model-specific files based on set of models 113# specified in CPU_MODELS build option. 114# 115################################################################# 116
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