basic.isa revision 12616:4b463b4dc098
15081Sgblack@eecs.umich.edu// -*- mode:c++ -*- 25081Sgblack@eecs.umich.edu 35081Sgblack@eecs.umich.edu// -*- mode:c++ -*- 45081Sgblack@eecs.umich.edu 55081Sgblack@eecs.umich.edu// Copyright (c) 2003-2005 The Regents of The University of Michigan 65081Sgblack@eecs.umich.edu// All rights reserved. 75081Sgblack@eecs.umich.edu// 85081Sgblack@eecs.umich.edu// Redistribution and use in source and binary forms, with or without 95081Sgblack@eecs.umich.edu// modification, are permitted provided that the following conditions are 105081Sgblack@eecs.umich.edu// met: redistributions of source code must retain the above copyright 115081Sgblack@eecs.umich.edu// notice, this list of conditions and the following disclaimer; 125081Sgblack@eecs.umich.edu// redistributions in binary form must reproduce the above copyright 135081Sgblack@eecs.umich.edu// notice, this list of conditions and the following disclaimer in the 145081Sgblack@eecs.umich.edu// documentation and/or other materials provided with the distribution; 155081Sgblack@eecs.umich.edu// neither the name of the copyright holders nor the names of its 165081Sgblack@eecs.umich.edu// contributors may be used to endorse or promote products derived from 175081Sgblack@eecs.umich.edu// this software without specific prior written permission. 185081Sgblack@eecs.umich.edu// 195081Sgblack@eecs.umich.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 205081Sgblack@eecs.umich.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 215081Sgblack@eecs.umich.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 225081Sgblack@eecs.umich.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 235081Sgblack@eecs.umich.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 245081Sgblack@eecs.umich.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 255081Sgblack@eecs.umich.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 265081Sgblack@eecs.umich.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 275081Sgblack@eecs.umich.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 285081Sgblack@eecs.umich.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 295081Sgblack@eecs.umich.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 305081Sgblack@eecs.umich.edu// 315081Sgblack@eecs.umich.edu// Authors: Steve Reinhardt 325081Sgblack@eecs.umich.edu// Korey Sewell 335081Sgblack@eecs.umich.edu 345081Sgblack@eecs.umich.edu// Basic instruction class declaration template. 355081Sgblack@eecs.umich.edudef template BasicDeclare {{ 365081Sgblack@eecs.umich.edu /** 375081Sgblack@eecs.umich.edu * Static instruction class for "%(mnemonic)s". 385081Sgblack@eecs.umich.edu */ 395081Sgblack@eecs.umich.edu class %(class_name)s : public %(base_class)s 405081Sgblack@eecs.umich.edu { 415081Sgblack@eecs.umich.edu public: 425081Sgblack@eecs.umich.edu /// Constructor. 435081Sgblack@eecs.umich.edu %(class_name)s(MachInst machInst); 445081Sgblack@eecs.umich.edu Fault execute(ExecContext *, 455081Sgblack@eecs.umich.edu Trace::InstRecord *) const override; 465081Sgblack@eecs.umich.edu }; 475081Sgblack@eecs.umich.edu}}; 485081Sgblack@eecs.umich.edu 495081Sgblack@eecs.umich.edu// Basic instruction class constructor template. 505081Sgblack@eecs.umich.edudef template BasicConstructor {{ 515081Sgblack@eecs.umich.edu %(class_name)s::%(class_name)s(MachInst machInst) : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s) 525081Sgblack@eecs.umich.edu { 535081Sgblack@eecs.umich.edu %(constructor)s; 545081Sgblack@eecs.umich.edu } 555081Sgblack@eecs.umich.edu}}; 565081Sgblack@eecs.umich.edu 575081Sgblack@eecs.umich.edu 585081Sgblack@eecs.umich.edu// Basic instruction class execute method template. 595961Sgblack@eecs.umich.edudef template BasicExecute {{ 605081Sgblack@eecs.umich.edu Fault %(class_name)s::execute( 615081Sgblack@eecs.umich.edu ExecContext *xc, Trace::InstRecord *traceData) const 625081Sgblack@eecs.umich.edu { 635081Sgblack@eecs.umich.edu Fault fault = NoFault; 645119Sgblack@eecs.umich.edu 655961Sgblack@eecs.umich.edu %(fp_enable_check)s; 665081Sgblack@eecs.umich.edu %(op_decl)s; 675081Sgblack@eecs.umich.edu %(op_rd)s; 685081Sgblack@eecs.umich.edu if(fault == NoFault) 695081Sgblack@eecs.umich.edu { 705081Sgblack@eecs.umich.edu %(code)s; 715081Sgblack@eecs.umich.edu if(fault == NoFault){ 725119Sgblack@eecs.umich.edu %(op_wb)s; 735961Sgblack@eecs.umich.edu } 745081Sgblack@eecs.umich.edu } 755081Sgblack@eecs.umich.edu return fault; 765081Sgblack@eecs.umich.edu } 775081Sgblack@eecs.umich.edu}}; 785081Sgblack@eecs.umich.edu 795961Sgblack@eecs.umich.edu// Basic decode template. 805081Sgblack@eecs.umich.edudef template BasicDecode {{ 815081Sgblack@eecs.umich.edu return new %(class_name)s(machInst); 825081Sgblack@eecs.umich.edu}}; 835081Sgblack@eecs.umich.edu 845119Sgblack@eecs.umich.edu// Basic decode template, passing mnemonic in as string arg to constructor. 855961Sgblack@eecs.umich.edudef template BasicDecodeWithMnemonic {{ 865081Sgblack@eecs.umich.edu return new %(class_name)s("%(mnemonic)s", machInst); 875081Sgblack@eecs.umich.edu}}; 885081Sgblack@eecs.umich.edu 895081Sgblack@eecs.umich.edu// The most basic instruction format... 905081Sgblack@eecs.umich.edudef format BasicOp(code, *flags) {{ 915081Sgblack@eecs.umich.edu iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags) 925119Sgblack@eecs.umich.edu header_output = BasicDeclare.subst(iop) 935961Sgblack@eecs.umich.edu decoder_output = BasicConstructor.subst(iop) 945081Sgblack@eecs.umich.edu decode_block = BasicDecode.subst(iop) 955081Sgblack@eecs.umich.edu exec_output = BasicExecute.subst(iop) 965081Sgblack@eecs.umich.edu}}; 975081Sgblack@eecs.umich.edu