specop.isa revision 5173
14519Sgblack@eecs.umich.edu// Copyright (c) 2007 The Hewlett-Packard Development Company 24519Sgblack@eecs.umich.edu// All rights reserved. 34519Sgblack@eecs.umich.edu// 44519Sgblack@eecs.umich.edu// Redistribution and use of this software in source and binary forms, 54519Sgblack@eecs.umich.edu// with or without modification, are permitted provided that the 64519Sgblack@eecs.umich.edu// following conditions are met: 74519Sgblack@eecs.umich.edu// 84519Sgblack@eecs.umich.edu// The software must be used only for Non-Commercial Use which means any 94519Sgblack@eecs.umich.edu// use which is NOT directed to receiving any direct monetary 104519Sgblack@eecs.umich.edu// compensation for, or commercial advantage from such use. Illustrative 114519Sgblack@eecs.umich.edu// examples of non-commercial use are academic research, personal study, 124519Sgblack@eecs.umich.edu// teaching, education and corporate research & development. 134519Sgblack@eecs.umich.edu// Illustrative examples of commercial use are distributing products for 144519Sgblack@eecs.umich.edu// commercial advantage and providing services using the software for 154519Sgblack@eecs.umich.edu// commercial advantage. 164519Sgblack@eecs.umich.edu// 174519Sgblack@eecs.umich.edu// If you wish to use this software or functionality therein that may be 184519Sgblack@eecs.umich.edu// covered by patents for commercial use, please contact: 194519Sgblack@eecs.umich.edu// Director of Intellectual Property Licensing 204519Sgblack@eecs.umich.edu// Office of Strategy and Technology 214519Sgblack@eecs.umich.edu// Hewlett-Packard Company 224519Sgblack@eecs.umich.edu// 1501 Page Mill Road 234519Sgblack@eecs.umich.edu// Palo Alto, California 94304 244519Sgblack@eecs.umich.edu// 254519Sgblack@eecs.umich.edu// Redistributions of source code must retain the above copyright notice, 264519Sgblack@eecs.umich.edu// this list of conditions and the following disclaimer. Redistributions 274519Sgblack@eecs.umich.edu// in binary form must reproduce the above copyright notice, this list of 284519Sgblack@eecs.umich.edu// conditions and the following disclaimer in the documentation and/or 294519Sgblack@eecs.umich.edu// other materials provided with the distribution. Neither the name of 304519Sgblack@eecs.umich.edu// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 314519Sgblack@eecs.umich.edu// contributors may be used to endorse or promote products derived from 324519Sgblack@eecs.umich.edu// this software without specific prior written permission. No right of 334519Sgblack@eecs.umich.edu// sublicense is granted herewith. Derivatives of the software and 344519Sgblack@eecs.umich.edu// output created using the software may be prepared, but only for 354519Sgblack@eecs.umich.edu// Non-Commercial Uses. Derivatives of the software may be shared with 364519Sgblack@eecs.umich.edu// others provided: (i) the others agree to abide by the list of 374519Sgblack@eecs.umich.edu// conditions herein which includes the Non-Commercial Use restrictions; 384519Sgblack@eecs.umich.edu// and (ii) such Derivatives of the software include the above copyright 394519Sgblack@eecs.umich.edu// notice to acknowledge the contribution from this software where 404519Sgblack@eecs.umich.edu// applicable, this list of conditions and the disclaimer below. 414519Sgblack@eecs.umich.edu// 424519Sgblack@eecs.umich.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 434519Sgblack@eecs.umich.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 444519Sgblack@eecs.umich.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 454519Sgblack@eecs.umich.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 464519Sgblack@eecs.umich.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 474519Sgblack@eecs.umich.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 484519Sgblack@eecs.umich.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 494519Sgblack@eecs.umich.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 504519Sgblack@eecs.umich.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 514519Sgblack@eecs.umich.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 524519Sgblack@eecs.umich.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 534519Sgblack@eecs.umich.edu// 544519Sgblack@eecs.umich.edu// Authors: Gabe Black 554519Sgblack@eecs.umich.edu 564519Sgblack@eecs.umich.edu////////////////////////////////////////////////////////////////////////// 574519Sgblack@eecs.umich.edu// 584519Sgblack@eecs.umich.edu// Fault Microop 594519Sgblack@eecs.umich.edu// 604519Sgblack@eecs.umich.edu////////////////////////////////////////////////////////////////////////// 614519Sgblack@eecs.umich.edu 624590Sgblack@eecs.umich.eduoutput header {{ 635163Sgblack@eecs.umich.edu class MicroFaultBase : public X86ISA::X86MicroopBase 644590Sgblack@eecs.umich.edu { 654590Sgblack@eecs.umich.edu protected: 664590Sgblack@eecs.umich.edu Fault fault; 675163Sgblack@eecs.umich.edu uint8_t cc; 684590Sgblack@eecs.umich.edu 694590Sgblack@eecs.umich.edu public: 705163Sgblack@eecs.umich.edu MicroFaultBase(ExtMachInst _machInst, const char * instMnem, 714590Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 725163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc); 734590Sgblack@eecs.umich.edu 745163Sgblack@eecs.umich.edu MicroFaultBase(ExtMachInst _machInst, const char * instMnem, 755163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc); 764696Sgblack@eecs.umich.edu 774696Sgblack@eecs.umich.edu std::string generateDisassembly(Addr pc, 784696Sgblack@eecs.umich.edu const SymbolTable *symtab) const; 794590Sgblack@eecs.umich.edu }; 805172Sgblack@eecs.umich.edu 815172Sgblack@eecs.umich.edu class MicroHalt : public X86ISA::X86MicroopBase 825172Sgblack@eecs.umich.edu { 835172Sgblack@eecs.umich.edu public: 845172Sgblack@eecs.umich.edu MicroHalt(ExtMachInst _machInst, const char * instMnem, 855172Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast) : 865172Sgblack@eecs.umich.edu X86MicroopBase(_machInst, "halt", instMnem, 875172Sgblack@eecs.umich.edu isMicro, isDelayed, isFirst, isLast, No_OpClass) 885172Sgblack@eecs.umich.edu { 895172Sgblack@eecs.umich.edu } 905172Sgblack@eecs.umich.edu 915172Sgblack@eecs.umich.edu MicroHalt(ExtMachInst _machInst, const char * instMnem) : 925172Sgblack@eecs.umich.edu X86MicroopBase(_machInst, "halt", instMnem, 935172Sgblack@eecs.umich.edu false, false, false, false, No_OpClass) 945172Sgblack@eecs.umich.edu { 955172Sgblack@eecs.umich.edu } 965172Sgblack@eecs.umich.edu 975172Sgblack@eecs.umich.edu %(BasicExecDeclare)s 985172Sgblack@eecs.umich.edu }; 994590Sgblack@eecs.umich.edu}}; 1004590Sgblack@eecs.umich.edu 1015163Sgblack@eecs.umich.edudef template MicroFaultDeclare {{ 1025163Sgblack@eecs.umich.edu class %(class_name)s : public %(base_class)s 1035163Sgblack@eecs.umich.edu { 1045163Sgblack@eecs.umich.edu private: 1055163Sgblack@eecs.umich.edu void buildMe(); 1065163Sgblack@eecs.umich.edu public: 1075163Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, const char * instMnem, 1085163Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 1095163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc); 1105163Sgblack@eecs.umich.edu 1115163Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, const char * instMnem, 1125163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc); 1135163Sgblack@eecs.umich.edu 1145163Sgblack@eecs.umich.edu %(BasicExecDeclare)s 1155163Sgblack@eecs.umich.edu }; 1165163Sgblack@eecs.umich.edu}}; 1175163Sgblack@eecs.umich.edu 1185163Sgblack@eecs.umich.edudef template MicroFaultExecute {{ 1195163Sgblack@eecs.umich.edu Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, 1204519Sgblack@eecs.umich.edu Trace::InstRecord *traceData) const 1214519Sgblack@eecs.umich.edu { 1225163Sgblack@eecs.umich.edu %(op_decl)s; 1235163Sgblack@eecs.umich.edu %(op_rd)s; 1245163Sgblack@eecs.umich.edu if (%(cond_test)s) { 1255163Sgblack@eecs.umich.edu //Return the fault we were constructed with 1265163Sgblack@eecs.umich.edu return fault; 1275163Sgblack@eecs.umich.edu } else { 1285163Sgblack@eecs.umich.edu return NoFault; 1295163Sgblack@eecs.umich.edu } 1304519Sgblack@eecs.umich.edu } 1314519Sgblack@eecs.umich.edu}}; 1324519Sgblack@eecs.umich.edu 1335172Sgblack@eecs.umich.eduoutput exec {{ 1345172Sgblack@eecs.umich.edu Fault 1355172Sgblack@eecs.umich.edu MicroHalt::execute(%(CPU_exec_context)s *xc, 1365172Sgblack@eecs.umich.edu Trace::InstRecord * traceData) const 1375172Sgblack@eecs.umich.edu { 1385173Sgblack@eecs.umich.edu xc->tcBase()->suspend(); 1395172Sgblack@eecs.umich.edu return NoFault; 1405172Sgblack@eecs.umich.edu } 1415172Sgblack@eecs.umich.edu}}; 1425172Sgblack@eecs.umich.edu 1434590Sgblack@eecs.umich.eduoutput decoder {{ 1445163Sgblack@eecs.umich.edu inline MicroFaultBase::MicroFaultBase( 1455163Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1465163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1474590Sgblack@eecs.umich.edu X86MicroopBase(machInst, "fault", instMnem, 1485163Sgblack@eecs.umich.edu false, false, false, false, No_OpClass), 1495163Sgblack@eecs.umich.edu fault(_fault), cc(_cc) 1504519Sgblack@eecs.umich.edu { 1514519Sgblack@eecs.umich.edu } 1524519Sgblack@eecs.umich.edu 1535163Sgblack@eecs.umich.edu inline MicroFaultBase::MicroFaultBase( 1544519Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1554519Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 1565163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1574590Sgblack@eecs.umich.edu X86MicroopBase(machInst, "fault", instMnem, 1584590Sgblack@eecs.umich.edu isMicro, isDelayed, isFirst, isLast, No_OpClass), 1595163Sgblack@eecs.umich.edu fault(_fault), cc(_cc) 1604519Sgblack@eecs.umich.edu { 1614519Sgblack@eecs.umich.edu } 1624519Sgblack@eecs.umich.edu}}; 1634519Sgblack@eecs.umich.edu 1645163Sgblack@eecs.umich.edudef template MicroFaultConstructor {{ 1655163Sgblack@eecs.umich.edu 1665163Sgblack@eecs.umich.edu inline void %(class_name)s::buildMe() 1675163Sgblack@eecs.umich.edu { 1685163Sgblack@eecs.umich.edu %(constructor)s; 1695163Sgblack@eecs.umich.edu } 1705163Sgblack@eecs.umich.edu 1715163Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1725163Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1735163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1745163Sgblack@eecs.umich.edu %(base_class)s(machInst, instMnem, _fault, _cc) 1755163Sgblack@eecs.umich.edu { 1765163Sgblack@eecs.umich.edu buildMe(); 1775163Sgblack@eecs.umich.edu } 1785163Sgblack@eecs.umich.edu 1795163Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1805163Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1815163Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 1825163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1835163Sgblack@eecs.umich.edu %(base_class)s(machInst, instMnem, 1845163Sgblack@eecs.umich.edu isMicro, isDelayed, isFirst, isLast, _fault, _cc) 1855163Sgblack@eecs.umich.edu { 1865163Sgblack@eecs.umich.edu buildMe(); 1875163Sgblack@eecs.umich.edu } 1885163Sgblack@eecs.umich.edu}}; 1895163Sgblack@eecs.umich.edu 1904696Sgblack@eecs.umich.eduoutput decoder {{ 1915163Sgblack@eecs.umich.edu std::string MicroFaultBase::generateDisassembly(Addr pc, 1924696Sgblack@eecs.umich.edu const SymbolTable *symtab) const 1934696Sgblack@eecs.umich.edu { 1944696Sgblack@eecs.umich.edu std::stringstream response; 1954696Sgblack@eecs.umich.edu 1964696Sgblack@eecs.umich.edu printMnemonic(response, instMnem, mnemonic); 1974696Sgblack@eecs.umich.edu if(fault) 1984696Sgblack@eecs.umich.edu response << fault->name(); 1994696Sgblack@eecs.umich.edu else 2004696Sgblack@eecs.umich.edu response << "No Fault"; 2014696Sgblack@eecs.umich.edu 2024696Sgblack@eecs.umich.edu return response.str(); 2034696Sgblack@eecs.umich.edu } 2044696Sgblack@eecs.umich.edu}}; 2054696Sgblack@eecs.umich.edu 2064519Sgblack@eecs.umich.edulet {{ 2074590Sgblack@eecs.umich.edu class Fault(X86Microop): 2085163Sgblack@eecs.umich.edu className = "MicroFault" 2095163Sgblack@eecs.umich.edu def __init__(self, fault, flags=None): 2104590Sgblack@eecs.umich.edu self.fault = fault 2115163Sgblack@eecs.umich.edu if flags: 2125163Sgblack@eecs.umich.edu if not isinstance(flags, (list, tuple)): 2135163Sgblack@eecs.umich.edu raise Exception, "flags must be a list or tuple of flags" 2145163Sgblack@eecs.umich.edu self.cond = " | ".join(flags) 2155163Sgblack@eecs.umich.edu self.className += "Flags" 2165163Sgblack@eecs.umich.edu else: 2175163Sgblack@eecs.umich.edu self.cond = "0" 2184590Sgblack@eecs.umich.edu 2194590Sgblack@eecs.umich.edu def getAllocator(self, *microFlags): 2205163Sgblack@eecs.umich.edu allocator = '''new %(class_name)s(machInst, mnemonic 2215163Sgblack@eecs.umich.edu %(flags)s, %(fault)s, %(cc)s)''' % { 2225163Sgblack@eecs.umich.edu "class_name" : self.className, 2234590Sgblack@eecs.umich.edu "flags" : self.microFlagsText(microFlags), 2245163Sgblack@eecs.umich.edu "fault" : self.fault, 2255163Sgblack@eecs.umich.edu "cc" : self.cond} 2264590Sgblack@eecs.umich.edu return allocator 2275163Sgblack@eecs.umich.edu 2285163Sgblack@eecs.umich.edu iop = InstObjParams("fault", "MicroFault", "MicroFaultBase", 2295163Sgblack@eecs.umich.edu {"code": "", 2305163Sgblack@eecs.umich.edu "cond_test": "checkCondition(ccFlagBits, cc)"}) 2315163Sgblack@eecs.umich.edu exec_output = MicroFaultExecute.subst(iop) 2325163Sgblack@eecs.umich.edu header_output = MicroFaultDeclare.subst(iop) 2335163Sgblack@eecs.umich.edu decoder_output = MicroFaultConstructor.subst(iop) 2345163Sgblack@eecs.umich.edu iop = InstObjParams("fault", "MicroFaultFlags", "MicroFaultBase", 2355163Sgblack@eecs.umich.edu {"code": "", 2365163Sgblack@eecs.umich.edu "cond_test": "true"}) 2375163Sgblack@eecs.umich.edu exec_output += MicroFaultExecute.subst(iop) 2385163Sgblack@eecs.umich.edu header_output += MicroFaultDeclare.subst(iop) 2395163Sgblack@eecs.umich.edu decoder_output += MicroFaultConstructor.subst(iop) 2404590Sgblack@eecs.umich.edu microopClasses["fault"] = Fault 2415172Sgblack@eecs.umich.edu 2425172Sgblack@eecs.umich.edu class Halt(X86Microop): 2435172Sgblack@eecs.umich.edu def __init__(self): 2445172Sgblack@eecs.umich.edu pass 2455172Sgblack@eecs.umich.edu 2465172Sgblack@eecs.umich.edu def getAllocator(self, *microFlags): 2475173Sgblack@eecs.umich.edu return "new MicroHalt(machInst, mnemonic %s)" % \ 2485172Sgblack@eecs.umich.edu self.microFlagsText(microFlags) 2495172Sgblack@eecs.umich.edu 2505172Sgblack@eecs.umich.edu microopClasses["halt"] = Halt 2514519Sgblack@eecs.umich.edu}}; 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