specop.isa revision 7626
15449Sgblack@eecs.umich.edu// Copyright (c) 2007-2008 The Hewlett-Packard Development Company 24519Sgblack@eecs.umich.edu// All rights reserved. 34519Sgblack@eecs.umich.edu// 47087Snate@binkert.org// The license below extends only to copyright in the software and shall 57087Snate@binkert.org// not be construed as granting a license to any other intellectual 67087Snate@binkert.org// property including but not limited to intellectual property relating 77087Snate@binkert.org// to a hardware implementation of the functionality of the software 87087Snate@binkert.org// licensed hereunder. You may use the software subject to the license 97087Snate@binkert.org// terms below provided that you ensure that this notice is replicated 107087Snate@binkert.org// unmodified and in its entirety in all distributions of the software, 117087Snate@binkert.org// modified or unmodified, in source code or in binary form. 124519Sgblack@eecs.umich.edu// 137087Snate@binkert.org// Redistribution and use in source and binary forms, with or without 147087Snate@binkert.org// modification, are permitted provided that the following conditions are 157087Snate@binkert.org// met: redistributions of source code must retain the above copyright 167087Snate@binkert.org// notice, this list of conditions and the following disclaimer; 177087Snate@binkert.org// redistributions in binary form must reproduce the above copyright 187087Snate@binkert.org// notice, this list of conditions and the following disclaimer in the 197087Snate@binkert.org// documentation and/or other materials provided with the distribution; 207087Snate@binkert.org// neither the name of the copyright holders nor the names of its 214519Sgblack@eecs.umich.edu// contributors may be used to endorse or promote products derived from 227087Snate@binkert.org// this software without specific prior written permission. 234519Sgblack@eecs.umich.edu// 244519Sgblack@eecs.umich.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 254519Sgblack@eecs.umich.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 264519Sgblack@eecs.umich.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 274519Sgblack@eecs.umich.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 284519Sgblack@eecs.umich.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 294519Sgblack@eecs.umich.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 304519Sgblack@eecs.umich.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 314519Sgblack@eecs.umich.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 324519Sgblack@eecs.umich.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 334519Sgblack@eecs.umich.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 344519Sgblack@eecs.umich.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 354519Sgblack@eecs.umich.edu// 364519Sgblack@eecs.umich.edu// Authors: Gabe Black 374519Sgblack@eecs.umich.edu 384519Sgblack@eecs.umich.edu////////////////////////////////////////////////////////////////////////// 394519Sgblack@eecs.umich.edu// 404519Sgblack@eecs.umich.edu// Fault Microop 414519Sgblack@eecs.umich.edu// 424519Sgblack@eecs.umich.edu////////////////////////////////////////////////////////////////////////// 434519Sgblack@eecs.umich.edu 444590Sgblack@eecs.umich.eduoutput header {{ 455163Sgblack@eecs.umich.edu class MicroFaultBase : public X86ISA::X86MicroopBase 464590Sgblack@eecs.umich.edu { 474590Sgblack@eecs.umich.edu protected: 484590Sgblack@eecs.umich.edu Fault fault; 495163Sgblack@eecs.umich.edu uint8_t cc; 504590Sgblack@eecs.umich.edu 514590Sgblack@eecs.umich.edu public: 525163Sgblack@eecs.umich.edu MicroFaultBase(ExtMachInst _machInst, const char * instMnem, 537620Sgblack@eecs.umich.edu uint64_t setFlags, Fault _fault, uint8_t _cc); 544590Sgblack@eecs.umich.edu 554696Sgblack@eecs.umich.edu std::string generateDisassembly(Addr pc, 564696Sgblack@eecs.umich.edu const SymbolTable *symtab) const; 574590Sgblack@eecs.umich.edu }; 585172Sgblack@eecs.umich.edu 595172Sgblack@eecs.umich.edu class MicroHalt : public X86ISA::X86MicroopBase 605172Sgblack@eecs.umich.edu { 615172Sgblack@eecs.umich.edu public: 625172Sgblack@eecs.umich.edu MicroHalt(ExtMachInst _machInst, const char * instMnem, 637620Sgblack@eecs.umich.edu uint64_t setFlags) : 647620Sgblack@eecs.umich.edu X86MicroopBase(_machInst, "halt", instMnem, setFlags, No_OpClass) 655172Sgblack@eecs.umich.edu { 665172Sgblack@eecs.umich.edu } 675172Sgblack@eecs.umich.edu 685172Sgblack@eecs.umich.edu %(BasicExecDeclare)s 695449Sgblack@eecs.umich.edu 705449Sgblack@eecs.umich.edu std::string generateDisassembly(Addr pc, 715449Sgblack@eecs.umich.edu const SymbolTable *symtab) const; 725172Sgblack@eecs.umich.edu }; 734590Sgblack@eecs.umich.edu}}; 744590Sgblack@eecs.umich.edu 755163Sgblack@eecs.umich.edudef template MicroFaultDeclare {{ 765163Sgblack@eecs.umich.edu class %(class_name)s : public %(base_class)s 775163Sgblack@eecs.umich.edu { 785163Sgblack@eecs.umich.edu public: 795163Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, const char * instMnem, 807620Sgblack@eecs.umich.edu uint64_t setFlags, Fault _fault, uint8_t _cc); 815163Sgblack@eecs.umich.edu 825163Sgblack@eecs.umich.edu %(BasicExecDeclare)s 835163Sgblack@eecs.umich.edu }; 845163Sgblack@eecs.umich.edu}}; 855163Sgblack@eecs.umich.edu 865163Sgblack@eecs.umich.edudef template MicroFaultExecute {{ 875163Sgblack@eecs.umich.edu Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, 884519Sgblack@eecs.umich.edu Trace::InstRecord *traceData) const 894519Sgblack@eecs.umich.edu { 905163Sgblack@eecs.umich.edu %(op_decl)s; 915163Sgblack@eecs.umich.edu %(op_rd)s; 925163Sgblack@eecs.umich.edu if (%(cond_test)s) { 935163Sgblack@eecs.umich.edu //Return the fault we were constructed with 945163Sgblack@eecs.umich.edu return fault; 955163Sgblack@eecs.umich.edu } else { 965163Sgblack@eecs.umich.edu return NoFault; 975163Sgblack@eecs.umich.edu } 984519Sgblack@eecs.umich.edu } 994519Sgblack@eecs.umich.edu}}; 1004519Sgblack@eecs.umich.edu 1015172Sgblack@eecs.umich.eduoutput exec {{ 1025172Sgblack@eecs.umich.edu Fault 1035172Sgblack@eecs.umich.edu MicroHalt::execute(%(CPU_exec_context)s *xc, 1045172Sgblack@eecs.umich.edu Trace::InstRecord * traceData) const 1055172Sgblack@eecs.umich.edu { 1065173Sgblack@eecs.umich.edu xc->tcBase()->suspend(); 1075172Sgblack@eecs.umich.edu return NoFault; 1085172Sgblack@eecs.umich.edu } 1095172Sgblack@eecs.umich.edu}}; 1105172Sgblack@eecs.umich.edu 1114590Sgblack@eecs.umich.eduoutput decoder {{ 1125163Sgblack@eecs.umich.edu inline MicroFaultBase::MicroFaultBase( 1135163Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1147620Sgblack@eecs.umich.edu uint64_t setFlags, Fault _fault, uint8_t _cc) : 1157620Sgblack@eecs.umich.edu X86MicroopBase(machInst, "fault", instMnem, setFlags, No_OpClass), 1165163Sgblack@eecs.umich.edu fault(_fault), cc(_cc) 1174519Sgblack@eecs.umich.edu { 1184519Sgblack@eecs.umich.edu } 1194519Sgblack@eecs.umich.edu}}; 1204519Sgblack@eecs.umich.edu 1215163Sgblack@eecs.umich.edudef template MicroFaultConstructor {{ 1225163Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1237620Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, uint64_t setFlags, 1245163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1257620Sgblack@eecs.umich.edu %(base_class)s(machInst, instMnem, setFlags, _fault, _cc) 1265163Sgblack@eecs.umich.edu { 1277626Sgblack@eecs.umich.edu %(constructor)s; 1285163Sgblack@eecs.umich.edu } 1295163Sgblack@eecs.umich.edu}}; 1305163Sgblack@eecs.umich.edu 1314696Sgblack@eecs.umich.eduoutput decoder {{ 1325163Sgblack@eecs.umich.edu std::string MicroFaultBase::generateDisassembly(Addr pc, 1334696Sgblack@eecs.umich.edu const SymbolTable *symtab) const 1344696Sgblack@eecs.umich.edu { 1354696Sgblack@eecs.umich.edu std::stringstream response; 1364696Sgblack@eecs.umich.edu 1374696Sgblack@eecs.umich.edu printMnemonic(response, instMnem, mnemonic); 1384696Sgblack@eecs.umich.edu if(fault) 1394696Sgblack@eecs.umich.edu response << fault->name(); 1404696Sgblack@eecs.umich.edu else 1414696Sgblack@eecs.umich.edu response << "No Fault"; 1424696Sgblack@eecs.umich.edu 1434696Sgblack@eecs.umich.edu return response.str(); 1444696Sgblack@eecs.umich.edu } 1455449Sgblack@eecs.umich.edu 1465449Sgblack@eecs.umich.edu std::string MicroHalt::generateDisassembly(Addr pc, 1475449Sgblack@eecs.umich.edu const SymbolTable *symtab) const 1485449Sgblack@eecs.umich.edu { 1495449Sgblack@eecs.umich.edu std::stringstream response; 1505449Sgblack@eecs.umich.edu 1515449Sgblack@eecs.umich.edu printMnemonic(response, instMnem, mnemonic); 1525449Sgblack@eecs.umich.edu 1535449Sgblack@eecs.umich.edu return response.str(); 1545449Sgblack@eecs.umich.edu } 1554696Sgblack@eecs.umich.edu}}; 1564696Sgblack@eecs.umich.edu 1574519Sgblack@eecs.umich.edulet {{ 1584590Sgblack@eecs.umich.edu class Fault(X86Microop): 1595163Sgblack@eecs.umich.edu className = "MicroFault" 1605163Sgblack@eecs.umich.edu def __init__(self, fault, flags=None): 1614590Sgblack@eecs.umich.edu self.fault = fault 1625163Sgblack@eecs.umich.edu if flags: 1635163Sgblack@eecs.umich.edu if not isinstance(flags, (list, tuple)): 1645163Sgblack@eecs.umich.edu raise Exception, "flags must be a list or tuple of flags" 1655163Sgblack@eecs.umich.edu self.cond = " | ".join(flags) 1665163Sgblack@eecs.umich.edu self.className += "Flags" 1675163Sgblack@eecs.umich.edu else: 1685163Sgblack@eecs.umich.edu self.cond = "0" 1694590Sgblack@eecs.umich.edu 1707620Sgblack@eecs.umich.edu def getAllocator(self, microFlags): 1717620Sgblack@eecs.umich.edu allocator = '''new %(class_name)s(machInst, macrocodeBlock, 1725163Sgblack@eecs.umich.edu %(flags)s, %(fault)s, %(cc)s)''' % { 1735163Sgblack@eecs.umich.edu "class_name" : self.className, 1744590Sgblack@eecs.umich.edu "flags" : self.microFlagsText(microFlags), 1755163Sgblack@eecs.umich.edu "fault" : self.fault, 1765163Sgblack@eecs.umich.edu "cc" : self.cond} 1774590Sgblack@eecs.umich.edu return allocator 1785163Sgblack@eecs.umich.edu 1795293Sgblack@eecs.umich.edu iop = InstObjParams("fault", "MicroFaultFlags", "MicroFaultBase", 1805163Sgblack@eecs.umich.edu {"code": "", 1815163Sgblack@eecs.umich.edu "cond_test": "checkCondition(ccFlagBits, cc)"}) 1825163Sgblack@eecs.umich.edu exec_output = MicroFaultExecute.subst(iop) 1835163Sgblack@eecs.umich.edu header_output = MicroFaultDeclare.subst(iop) 1845163Sgblack@eecs.umich.edu decoder_output = MicroFaultConstructor.subst(iop) 1855293Sgblack@eecs.umich.edu iop = InstObjParams("fault", "MicroFault", "MicroFaultBase", 1865163Sgblack@eecs.umich.edu {"code": "", 1875163Sgblack@eecs.umich.edu "cond_test": "true"}) 1885163Sgblack@eecs.umich.edu exec_output += MicroFaultExecute.subst(iop) 1895163Sgblack@eecs.umich.edu header_output += MicroFaultDeclare.subst(iop) 1905163Sgblack@eecs.umich.edu decoder_output += MicroFaultConstructor.subst(iop) 1914590Sgblack@eecs.umich.edu microopClasses["fault"] = Fault 1925172Sgblack@eecs.umich.edu 1935172Sgblack@eecs.umich.edu class Halt(X86Microop): 1946047Sgblack@eecs.umich.edu className = "MicroHalt" 1955172Sgblack@eecs.umich.edu def __init__(self): 1965172Sgblack@eecs.umich.edu pass 1975172Sgblack@eecs.umich.edu 1987620Sgblack@eecs.umich.edu def getAllocator(self, microFlags): 1997620Sgblack@eecs.umich.edu return "new MicroHalt(machInst, macrocodeBlock, %s)" % \ 2005172Sgblack@eecs.umich.edu self.microFlagsText(microFlags) 2015172Sgblack@eecs.umich.edu 2025172Sgblack@eecs.umich.edu microopClasses["halt"] = Halt 2034519Sgblack@eecs.umich.edu}}; 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