basic.isa revision 12234
14120SN/A// -*- mode:c++ -*- 24120SN/A 34120SN/A// -*- mode:c++ -*- 44120SN/A 57087Snate@binkert.org// Copyright (c) 2003-2005 The Regents of The University of Michigan 67087Snate@binkert.org// All rights reserved. 77087Snate@binkert.org// 87087Snate@binkert.org// Redistribution and use in source and binary forms, with or without 97087Snate@binkert.org// modification, are permitted provided that the following conditions are 107087Snate@binkert.org// met: redistributions of source code must retain the above copyright 117087Snate@binkert.org// notice, this list of conditions and the following disclaimer; 127087Snate@binkert.org// redistributions in binary form must reproduce the above copyright 134120SN/A// notice, this list of conditions and the following disclaimer in the 147087Snate@binkert.org// documentation and/or other materials provided with the distribution; 157087Snate@binkert.org// neither the name of the copyright holders nor the names of its 167087Snate@binkert.org// contributors may be used to endorse or promote products derived from 177087Snate@binkert.org// this software without specific prior written permission. 187087Snate@binkert.org// 197087Snate@binkert.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 207087Snate@binkert.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 217087Snate@binkert.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 224120SN/A// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 237087Snate@binkert.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 244120SN/A// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 254120SN/A// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 264120SN/A// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 274120SN/A// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 284120SN/A// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 294120SN/A// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 304120SN/A// 314120SN/A// Authors: Steve Reinhardt 324120SN/A// Korey Sewell 334120SN/A 344120SN/A// Declarations for execute() methods. 354120SN/Adef template BasicExecDeclare {{ 364120SN/A Fault execute(ExecContext *, Trace::InstRecord *) const; 374120SN/A}}; 384120SN/A 394120SN/A// Basic instruction class declaration template. 406329Sgblack@eecs.umich.edudef template BasicDeclare {{ 416329Sgblack@eecs.umich.edu /** 426216SN/A * Static instruction class for "%(mnemonic)s". 436329Sgblack@eecs.umich.edu */ 447629Sgblack@eecs.umich.edu class %(class_name)s : public %(base_class)s 457629Sgblack@eecs.umich.edu { 466315SN/A public: 474137SN/A /// Constructor. 484120SN/A %(class_name)s(MachInst machInst); 494120SN/A %(BasicExecDeclare)s 506329Sgblack@eecs.umich.edu }; 516329Sgblack@eecs.umich.edu}}; 526329Sgblack@eecs.umich.edu 536329Sgblack@eecs.umich.edu// Basic instruction class constructor template. 546313SN/Adef template BasicConstructor {{ 556329Sgblack@eecs.umich.edu %(class_name)s::%(class_name)s(MachInst machInst) : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s) 566329Sgblack@eecs.umich.edu { 576329Sgblack@eecs.umich.edu %(constructor)s; 586329Sgblack@eecs.umich.edu } 596319SN/A}}; 606329Sgblack@eecs.umich.edu 616329Sgblack@eecs.umich.edu 626329Sgblack@eecs.umich.edu// Basic instruction class execute method template. 636329Sgblack@eecs.umich.edudef template BasicExecute {{ 646315SN/A Fault %(class_name)s::execute( 656329Sgblack@eecs.umich.edu ExecContext *xc, Trace::InstRecord *traceData) const 666329Sgblack@eecs.umich.edu { 676329Sgblack@eecs.umich.edu Fault fault = NoFault; 686329Sgblack@eecs.umich.edu 696329Sgblack@eecs.umich.edu %(fp_enable_check)s; 706329Sgblack@eecs.umich.edu %(op_decl)s; 716329Sgblack@eecs.umich.edu %(op_rd)s; 726329Sgblack@eecs.umich.edu if(fault == NoFault) 736329Sgblack@eecs.umich.edu { 746329Sgblack@eecs.umich.edu %(code)s; 756329Sgblack@eecs.umich.edu if(fault == NoFault){ 766329Sgblack@eecs.umich.edu %(op_wb)s; 776329Sgblack@eecs.umich.edu } 786329Sgblack@eecs.umich.edu } 796329Sgblack@eecs.umich.edu return fault; 806329Sgblack@eecs.umich.edu } 814137SN/A}}; 826329Sgblack@eecs.umich.edu 836329Sgblack@eecs.umich.edu// Basic decode template. 846329Sgblack@eecs.umich.edudef template BasicDecode {{ 856329Sgblack@eecs.umich.edu return new %(class_name)s(machInst); 866329Sgblack@eecs.umich.edu}}; 876329Sgblack@eecs.umich.edu 886329Sgblack@eecs.umich.edu// Basic decode template, passing mnemonic in as string arg to constructor. 896329Sgblack@eecs.umich.edudef template BasicDecodeWithMnemonic {{ 904137SN/A return new %(class_name)s("%(mnemonic)s", machInst); 916329Sgblack@eecs.umich.edu}}; 926329Sgblack@eecs.umich.edu 936329Sgblack@eecs.umich.edu// The most basic instruction format... 946329Sgblack@eecs.umich.edudef format BasicOp(code, *flags) {{ 956329Sgblack@eecs.umich.edu iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags) 966329Sgblack@eecs.umich.edu header_output = BasicDeclare.subst(iop) 976329Sgblack@eecs.umich.edu decoder_output = BasicConstructor.subst(iop) 986329Sgblack@eecs.umich.edu decode_block = BasicDecode.subst(iop) 996329Sgblack@eecs.umich.edu exec_output = BasicExecute.subst(iop) 1006329Sgblack@eecs.umich.edu}}; 1016329Sgblack@eecs.umich.edu