basic.isa revision 7087:fb8d5786ff30
110023Smatt.horsnell@ARM.com// Copyright (c) 2007 The Hewlett-Packard Development Company 210023Smatt.horsnell@ARM.com// All rights reserved. 310023Smatt.horsnell@ARM.com// 410023Smatt.horsnell@ARM.com// The license below extends only to copyright in the software and shall 510023Smatt.horsnell@ARM.com// not be construed as granting a license to any other intellectual 610023Smatt.horsnell@ARM.com// property including but not limited to intellectual property relating 710023Smatt.horsnell@ARM.com// to a hardware implementation of the functionality of the software 810023Smatt.horsnell@ARM.com// licensed hereunder. You may use the software subject to the license 910023Smatt.horsnell@ARM.com// terms below provided that you ensure that this notice is replicated 1010023Smatt.horsnell@ARM.com// unmodified and in its entirety in all distributions of the software, 1110023Smatt.horsnell@ARM.com// modified or unmodified, in source code or in binary form. 1210023Smatt.horsnell@ARM.com// 1310023Smatt.horsnell@ARM.com// Copyright (c) 2007 The Regents of The University of Michigan 1410023Smatt.horsnell@ARM.com// All rights reserved. 1510023Smatt.horsnell@ARM.com// 1610023Smatt.horsnell@ARM.com// Redistribution and use in source and binary forms, with or without 1710023Smatt.horsnell@ARM.com// modification, are permitted provided that the following conditions are 1810023Smatt.horsnell@ARM.com// met: redistributions of source code must retain the above copyright 1910023Smatt.horsnell@ARM.com// notice, this list of conditions and the following disclaimer; 2010023Smatt.horsnell@ARM.com// redistributions in binary form must reproduce the above copyright 2110023Smatt.horsnell@ARM.com// notice, this list of conditions and the following disclaimer in the 2210023Smatt.horsnell@ARM.com// documentation and/or other materials provided with the distribution; 2310023Smatt.horsnell@ARM.com// neither the name of the copyright holders nor the names of its 2410023Smatt.horsnell@ARM.com// contributors may be used to endorse or promote products derived from 2510023Smatt.horsnell@ARM.com// this software without specific prior written permission. 2610023Smatt.horsnell@ARM.com// 2710023Smatt.horsnell@ARM.com// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2810023Smatt.horsnell@ARM.com// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2910023Smatt.horsnell@ARM.com// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 3010023Smatt.horsnell@ARM.com// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 3110023Smatt.horsnell@ARM.com// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3210023Smatt.horsnell@ARM.com// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3310023Smatt.horsnell@ARM.com// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3410023Smatt.horsnell@ARM.com// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3510023Smatt.horsnell@ARM.com// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3610023Smatt.horsnell@ARM.com// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3710023Smatt.horsnell@ARM.com// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3810023Smatt.horsnell@ARM.com// 3910023Smatt.horsnell@ARM.com// Authors: Gabe Black 4010023Smatt.horsnell@ARM.com 4110023Smatt.horsnell@ARM.com// Declarations for execute() methods. 4210023Smatt.horsnell@ARM.comdef template BasicExecDeclare {{ 4310023Smatt.horsnell@ARM.com Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const; 4410023Smatt.horsnell@ARM.com}}; 45 46// Definitions of execute methods that panic. 47def template BasicExecPanic {{ 48 Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const 49 { 50 panic("Execute method called when it shouldn't!"); 51 M5_DUMMY_RETURN 52 } 53}}; 54 55// Basic instruction class declaration template. 56def template BasicDeclare {{ 57 /** 58 * Static instruction class for "%(mnemonic)s". 59 */ 60 class %(class_name)s : public %(base_class)s 61 { 62 public: 63 // Constructor. 64 %(class_name)s(ExtMachInst machInst); 65 %(BasicExecDeclare)s 66 }; 67}}; 68 69// Basic instruction class constructor template. 70def template BasicConstructor {{ 71 inline %(class_name)s::%(class_name)s(ExtMachInst machInst) 72 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s) 73 { 74 %(constructor)s; 75 } 76}}; 77 78// Basic instruction class execute method template. 79def template BasicExecute {{ 80 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, 81 Trace::InstRecord *traceData) const 82 { 83 Fault fault = NoFault; 84 85 %(fp_enable_check)s; 86 %(op_decl)s; 87 %(op_rd)s; 88 %(code)s; 89 90 if(fault == NoFault) 91 { 92 %(op_wb)s; 93 } 94 return fault; 95 } 96}}; 97 98// Basic decode template. 99def template BasicDecode {{ 100 return new %(class_name)s(machInst); 101}}; 102 103// Basic decode template, passing mnemonic in as string arg to constructor. 104def template BasicDecodeWithMnemonic {{ 105 return new %(class_name)s("%(mnemonic)s", machInst); 106}}; 107 108def format BasicOperate(code, *flags) {{ 109 iop = InstObjParams(name, Name, 'X86ISA::X86StaticInst', code, flags) 110 header_output = BasicDeclare.subst(iop) 111 decoder_output = BasicConstructor.subst(iop) 112 decode_block = BasicDecode.subst(iop) 113 exec_output = BasicExecute.subst(iop) 114}}; 115