specop.isa revision 7620
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 555163Sgblack@eecs.umich.edu MicroFaultBase(ExtMachInst _machInst, const char * instMnem, 565163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc); 574696Sgblack@eecs.umich.edu 584696Sgblack@eecs.umich.edu std::string generateDisassembly(Addr pc, 594696Sgblack@eecs.umich.edu const SymbolTable *symtab) const; 604590Sgblack@eecs.umich.edu }; 615172Sgblack@eecs.umich.edu 625172Sgblack@eecs.umich.edu class MicroHalt : public X86ISA::X86MicroopBase 635172Sgblack@eecs.umich.edu { 645172Sgblack@eecs.umich.edu public: 655172Sgblack@eecs.umich.edu MicroHalt(ExtMachInst _machInst, const char * instMnem, 667620Sgblack@eecs.umich.edu uint64_t setFlags) : 677620Sgblack@eecs.umich.edu X86MicroopBase(_machInst, "halt", instMnem, setFlags, No_OpClass) 685172Sgblack@eecs.umich.edu { 695172Sgblack@eecs.umich.edu } 705172Sgblack@eecs.umich.edu 715172Sgblack@eecs.umich.edu MicroHalt(ExtMachInst _machInst, const char * instMnem) : 727620Sgblack@eecs.umich.edu X86MicroopBase(_machInst, "halt", instMnem, 0, No_OpClass) 735172Sgblack@eecs.umich.edu { 745172Sgblack@eecs.umich.edu } 755172Sgblack@eecs.umich.edu 765172Sgblack@eecs.umich.edu %(BasicExecDeclare)s 775449Sgblack@eecs.umich.edu 785449Sgblack@eecs.umich.edu std::string generateDisassembly(Addr pc, 795449Sgblack@eecs.umich.edu const SymbolTable *symtab) const; 805172Sgblack@eecs.umich.edu }; 814590Sgblack@eecs.umich.edu}}; 824590Sgblack@eecs.umich.edu 835163Sgblack@eecs.umich.edudef template MicroFaultDeclare {{ 845163Sgblack@eecs.umich.edu class %(class_name)s : public %(base_class)s 855163Sgblack@eecs.umich.edu { 865163Sgblack@eecs.umich.edu private: 875163Sgblack@eecs.umich.edu void buildMe(); 885163Sgblack@eecs.umich.edu public: 895163Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, const char * instMnem, 907620Sgblack@eecs.umich.edu uint64_t setFlags, Fault _fault, uint8_t _cc); 915163Sgblack@eecs.umich.edu 925163Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, const char * instMnem, 935163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc); 945163Sgblack@eecs.umich.edu 955163Sgblack@eecs.umich.edu %(BasicExecDeclare)s 965163Sgblack@eecs.umich.edu }; 975163Sgblack@eecs.umich.edu}}; 985163Sgblack@eecs.umich.edu 995163Sgblack@eecs.umich.edudef template MicroFaultExecute {{ 1005163Sgblack@eecs.umich.edu Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, 1014519Sgblack@eecs.umich.edu Trace::InstRecord *traceData) const 1024519Sgblack@eecs.umich.edu { 1035163Sgblack@eecs.umich.edu %(op_decl)s; 1045163Sgblack@eecs.umich.edu %(op_rd)s; 1055163Sgblack@eecs.umich.edu if (%(cond_test)s) { 1065163Sgblack@eecs.umich.edu //Return the fault we were constructed with 1075163Sgblack@eecs.umich.edu return fault; 1085163Sgblack@eecs.umich.edu } else { 1095163Sgblack@eecs.umich.edu return NoFault; 1105163Sgblack@eecs.umich.edu } 1114519Sgblack@eecs.umich.edu } 1124519Sgblack@eecs.umich.edu}}; 1134519Sgblack@eecs.umich.edu 1145172Sgblack@eecs.umich.eduoutput exec {{ 1155172Sgblack@eecs.umich.edu Fault 1165172Sgblack@eecs.umich.edu MicroHalt::execute(%(CPU_exec_context)s *xc, 1175172Sgblack@eecs.umich.edu Trace::InstRecord * traceData) const 1185172Sgblack@eecs.umich.edu { 1195173Sgblack@eecs.umich.edu xc->tcBase()->suspend(); 1205172Sgblack@eecs.umich.edu return NoFault; 1215172Sgblack@eecs.umich.edu } 1225172Sgblack@eecs.umich.edu}}; 1235172Sgblack@eecs.umich.edu 1244590Sgblack@eecs.umich.eduoutput decoder {{ 1255163Sgblack@eecs.umich.edu inline MicroFaultBase::MicroFaultBase( 1265163Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1275163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1287620Sgblack@eecs.umich.edu X86MicroopBase(machInst, "fault", instMnem, 0, No_OpClass), 1295163Sgblack@eecs.umich.edu fault(_fault), cc(_cc) 1304519Sgblack@eecs.umich.edu { 1314519Sgblack@eecs.umich.edu } 1324519Sgblack@eecs.umich.edu 1335163Sgblack@eecs.umich.edu inline MicroFaultBase::MicroFaultBase( 1344519Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1357620Sgblack@eecs.umich.edu uint64_t setFlags, Fault _fault, uint8_t _cc) : 1367620Sgblack@eecs.umich.edu X86MicroopBase(machInst, "fault", instMnem, setFlags, No_OpClass), 1375163Sgblack@eecs.umich.edu fault(_fault), cc(_cc) 1384519Sgblack@eecs.umich.edu { 1394519Sgblack@eecs.umich.edu } 1404519Sgblack@eecs.umich.edu}}; 1414519Sgblack@eecs.umich.edu 1425163Sgblack@eecs.umich.edudef template MicroFaultConstructor {{ 1435163Sgblack@eecs.umich.edu 1445163Sgblack@eecs.umich.edu inline void %(class_name)s::buildMe() 1455163Sgblack@eecs.umich.edu { 1465163Sgblack@eecs.umich.edu %(constructor)s; 1475163Sgblack@eecs.umich.edu } 1485163Sgblack@eecs.umich.edu 1495163Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1505163Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1515163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1525163Sgblack@eecs.umich.edu %(base_class)s(machInst, instMnem, _fault, _cc) 1535163Sgblack@eecs.umich.edu { 1545163Sgblack@eecs.umich.edu buildMe(); 1555163Sgblack@eecs.umich.edu } 1565163Sgblack@eecs.umich.edu 1575163Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1587620Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, uint64_t setFlags, 1595163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1607620Sgblack@eecs.umich.edu %(base_class)s(machInst, instMnem, setFlags, _fault, _cc) 1615163Sgblack@eecs.umich.edu { 1625163Sgblack@eecs.umich.edu buildMe(); 1635163Sgblack@eecs.umich.edu } 1645163Sgblack@eecs.umich.edu}}; 1655163Sgblack@eecs.umich.edu 1664696Sgblack@eecs.umich.eduoutput decoder {{ 1675163Sgblack@eecs.umich.edu std::string MicroFaultBase::generateDisassembly(Addr pc, 1684696Sgblack@eecs.umich.edu const SymbolTable *symtab) const 1694696Sgblack@eecs.umich.edu { 1704696Sgblack@eecs.umich.edu std::stringstream response; 1714696Sgblack@eecs.umich.edu 1724696Sgblack@eecs.umich.edu printMnemonic(response, instMnem, mnemonic); 1734696Sgblack@eecs.umich.edu if(fault) 1744696Sgblack@eecs.umich.edu response << fault->name(); 1754696Sgblack@eecs.umich.edu else 1764696Sgblack@eecs.umich.edu response << "No Fault"; 1774696Sgblack@eecs.umich.edu 1784696Sgblack@eecs.umich.edu return response.str(); 1794696Sgblack@eecs.umich.edu } 1805449Sgblack@eecs.umich.edu 1815449Sgblack@eecs.umich.edu std::string MicroHalt::generateDisassembly(Addr pc, 1825449Sgblack@eecs.umich.edu const SymbolTable *symtab) const 1835449Sgblack@eecs.umich.edu { 1845449Sgblack@eecs.umich.edu std::stringstream response; 1855449Sgblack@eecs.umich.edu 1865449Sgblack@eecs.umich.edu printMnemonic(response, instMnem, mnemonic); 1875449Sgblack@eecs.umich.edu 1885449Sgblack@eecs.umich.edu return response.str(); 1895449Sgblack@eecs.umich.edu } 1904696Sgblack@eecs.umich.edu}}; 1914696Sgblack@eecs.umich.edu 1924519Sgblack@eecs.umich.edulet {{ 1934590Sgblack@eecs.umich.edu class Fault(X86Microop): 1945163Sgblack@eecs.umich.edu className = "MicroFault" 1955163Sgblack@eecs.umich.edu def __init__(self, fault, flags=None): 1964590Sgblack@eecs.umich.edu self.fault = fault 1975163Sgblack@eecs.umich.edu if flags: 1985163Sgblack@eecs.umich.edu if not isinstance(flags, (list, tuple)): 1995163Sgblack@eecs.umich.edu raise Exception, "flags must be a list or tuple of flags" 2005163Sgblack@eecs.umich.edu self.cond = " | ".join(flags) 2015163Sgblack@eecs.umich.edu self.className += "Flags" 2025163Sgblack@eecs.umich.edu else: 2035163Sgblack@eecs.umich.edu self.cond = "0" 2044590Sgblack@eecs.umich.edu 2057620Sgblack@eecs.umich.edu def getAllocator(self, microFlags): 2067620Sgblack@eecs.umich.edu allocator = '''new %(class_name)s(machInst, macrocodeBlock, 2075163Sgblack@eecs.umich.edu %(flags)s, %(fault)s, %(cc)s)''' % { 2085163Sgblack@eecs.umich.edu "class_name" : self.className, 2094590Sgblack@eecs.umich.edu "flags" : self.microFlagsText(microFlags), 2105163Sgblack@eecs.umich.edu "fault" : self.fault, 2115163Sgblack@eecs.umich.edu "cc" : self.cond} 2124590Sgblack@eecs.umich.edu return allocator 2135163Sgblack@eecs.umich.edu 2145293Sgblack@eecs.umich.edu iop = InstObjParams("fault", "MicroFaultFlags", "MicroFaultBase", 2155163Sgblack@eecs.umich.edu {"code": "", 2165163Sgblack@eecs.umich.edu "cond_test": "checkCondition(ccFlagBits, cc)"}) 2175163Sgblack@eecs.umich.edu exec_output = MicroFaultExecute.subst(iop) 2185163Sgblack@eecs.umich.edu header_output = MicroFaultDeclare.subst(iop) 2195163Sgblack@eecs.umich.edu decoder_output = MicroFaultConstructor.subst(iop) 2205293Sgblack@eecs.umich.edu iop = InstObjParams("fault", "MicroFault", "MicroFaultBase", 2215163Sgblack@eecs.umich.edu {"code": "", 2225163Sgblack@eecs.umich.edu "cond_test": "true"}) 2235163Sgblack@eecs.umich.edu exec_output += MicroFaultExecute.subst(iop) 2245163Sgblack@eecs.umich.edu header_output += MicroFaultDeclare.subst(iop) 2255163Sgblack@eecs.umich.edu decoder_output += MicroFaultConstructor.subst(iop) 2264590Sgblack@eecs.umich.edu microopClasses["fault"] = Fault 2275172Sgblack@eecs.umich.edu 2285172Sgblack@eecs.umich.edu class Halt(X86Microop): 2296047Sgblack@eecs.umich.edu className = "MicroHalt" 2305172Sgblack@eecs.umich.edu def __init__(self): 2315172Sgblack@eecs.umich.edu pass 2325172Sgblack@eecs.umich.edu 2337620Sgblack@eecs.umich.edu def getAllocator(self, microFlags): 2347620Sgblack@eecs.umich.edu return "new MicroHalt(machInst, macrocodeBlock, %s)" % \ 2355172Sgblack@eecs.umich.edu self.microFlagsText(microFlags) 2365172Sgblack@eecs.umich.edu 2375172Sgblack@eecs.umich.edu microopClasses["halt"] = Halt 2384519Sgblack@eecs.umich.edu}}; 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