syscall.isa revision 7087
14712Sgblack@eecs.umich.edu// -*- mode:c++ -*- 24712Sgblack@eecs.umich.edu 34712Sgblack@eecs.umich.edu// Copyright (c) 2007 The Hewlett-Packard Development Company 44712Sgblack@eecs.umich.edu// All rights reserved. 54712Sgblack@eecs.umich.edu// 67087Snate@binkert.org// The license below extends only to copyright in the software and shall 77087Snate@binkert.org// not be construed as granting a license to any other intellectual 87087Snate@binkert.org// property including but not limited to intellectual property relating 97087Snate@binkert.org// to a hardware implementation of the functionality of the software 107087Snate@binkert.org// licensed hereunder. You may use the software subject to the license 117087Snate@binkert.org// terms below provided that you ensure that this notice is replicated 127087Snate@binkert.org// unmodified and in its entirety in all distributions of the software, 137087Snate@binkert.org// modified or unmodified, in source code or in binary form. 144712Sgblack@eecs.umich.edu// 157087Snate@binkert.org// Redistribution and use in source and binary forms, with or without 167087Snate@binkert.org// modification, are permitted provided that the following conditions are 177087Snate@binkert.org// met: redistributions of source code must retain the above copyright 187087Snate@binkert.org// notice, this list of conditions and the following disclaimer; 197087Snate@binkert.org// redistributions in binary form must reproduce the above copyright 207087Snate@binkert.org// notice, this list of conditions and the following disclaimer in the 217087Snate@binkert.org// documentation and/or other materials provided with the distribution; 227087Snate@binkert.org// neither the name of the copyright holders nor the names of its 234712Sgblack@eecs.umich.edu// contributors may be used to endorse or promote products derived from 247087Snate@binkert.org// this software without specific prior written permission. 254712Sgblack@eecs.umich.edu// 264712Sgblack@eecs.umich.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 274712Sgblack@eecs.umich.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 284712Sgblack@eecs.umich.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 294712Sgblack@eecs.umich.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 304712Sgblack@eecs.umich.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 314712Sgblack@eecs.umich.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 324712Sgblack@eecs.umich.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 334712Sgblack@eecs.umich.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 344712Sgblack@eecs.umich.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 354712Sgblack@eecs.umich.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 364712Sgblack@eecs.umich.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 374712Sgblack@eecs.umich.edu// 384712Sgblack@eecs.umich.edu// Authors: Gabe Black 394712Sgblack@eecs.umich.edu 404712Sgblack@eecs.umich.edu//////////////////////////////////////////////////////////////////// 414712Sgblack@eecs.umich.edu// 424712Sgblack@eecs.umich.edu// "Format" which describes an instruction whose only purpose is to 434712Sgblack@eecs.umich.edu// call a syscall in SE mode. 444712Sgblack@eecs.umich.edu// 454712Sgblack@eecs.umich.edu 464712Sgblack@eecs.umich.eduoutput header {{ 474712Sgblack@eecs.umich.edu class SyscallInst : public X86ISA::X86StaticInst 484712Sgblack@eecs.umich.edu { 494712Sgblack@eecs.umich.edu public: 504806Sgblack@eecs.umich.edu static const RegIndex foldOBit = 0; 514712Sgblack@eecs.umich.edu /// Constructor 524712Sgblack@eecs.umich.edu SyscallInst(const char *_mnemonic, ExtMachInst _machInst, 534712Sgblack@eecs.umich.edu OpClass __opClass) : 544712Sgblack@eecs.umich.edu X86ISA::X86StaticInst(_mnemonic, _machInst, __opClass) 554712Sgblack@eecs.umich.edu { 564712Sgblack@eecs.umich.edu } 574712Sgblack@eecs.umich.edu 584712Sgblack@eecs.umich.edu std::string generateDisassembly(Addr pc, 594712Sgblack@eecs.umich.edu const SymbolTable *symtab) const; 604712Sgblack@eecs.umich.edu }; 614712Sgblack@eecs.umich.edu}}; 624712Sgblack@eecs.umich.edu 634712Sgblack@eecs.umich.eduoutput decoder {{ 644712Sgblack@eecs.umich.edu std::string SyscallInst::generateDisassembly(Addr PC, 654712Sgblack@eecs.umich.edu const SymbolTable *symtab) const 664712Sgblack@eecs.umich.edu { 674712Sgblack@eecs.umich.edu std::stringstream response; 684712Sgblack@eecs.umich.edu 694712Sgblack@eecs.umich.edu printMnemonic(response, mnemonic); 704712Sgblack@eecs.umich.edu ccprintf(response, " "); 714712Sgblack@eecs.umich.edu printReg(response, _srcRegIdx[0], machInst.opSize); 724712Sgblack@eecs.umich.edu return response.str(); 734712Sgblack@eecs.umich.edu } 744712Sgblack@eecs.umich.edu}}; 754712Sgblack@eecs.umich.edu 764712Sgblack@eecs.umich.edudef template SyscallExecute {{ 774712Sgblack@eecs.umich.edu Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, 784712Sgblack@eecs.umich.edu Trace::InstRecord *traceData) const 794712Sgblack@eecs.umich.edu { 804712Sgblack@eecs.umich.edu Fault fault = NoFault; 814712Sgblack@eecs.umich.edu %(op_decl)s; 824712Sgblack@eecs.umich.edu %(op_rd)s; 834712Sgblack@eecs.umich.edu %(code)s; 844712Sgblack@eecs.umich.edu return fault; 854712Sgblack@eecs.umich.edu } 864712Sgblack@eecs.umich.edu}}; 874712Sgblack@eecs.umich.edu 884712Sgblack@eecs.umich.edudef format SyscallInst(code, *opt_flags) {{ 894712Sgblack@eecs.umich.edu iop = InstObjParams(name, Name, 'SyscallInst', code, opt_flags) 904712Sgblack@eecs.umich.edu header_output = BasicDeclare.subst(iop) 914712Sgblack@eecs.umich.edu decoder_output = BasicConstructor.subst(iop) 924712Sgblack@eecs.umich.edu decode_block = BasicDecode.subst(iop) 934712Sgblack@eecs.umich.edu exec_output = SyscallExecute.subst(iop) 944712Sgblack@eecs.umich.edu}}; 954712Sgblack@eecs.umich.edu 96