specop.isa revision 5163
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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 }; 804590Sgblack@eecs.umich.edu}}; 814590Sgblack@eecs.umich.edu 825163Sgblack@eecs.umich.edudef template MicroFaultDeclare {{ 835163Sgblack@eecs.umich.edu class %(class_name)s : public %(base_class)s 845163Sgblack@eecs.umich.edu { 855163Sgblack@eecs.umich.edu private: 865163Sgblack@eecs.umich.edu void buildMe(); 875163Sgblack@eecs.umich.edu public: 885163Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, const char * instMnem, 895163Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 905163Sgblack@eecs.umich.edu 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 1144590Sgblack@eecs.umich.eduoutput decoder {{ 1155163Sgblack@eecs.umich.edu inline MicroFaultBase::MicroFaultBase( 1165163Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1175163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1184590Sgblack@eecs.umich.edu X86MicroopBase(machInst, "fault", instMnem, 1195163Sgblack@eecs.umich.edu false, false, false, false, No_OpClass), 1205163Sgblack@eecs.umich.edu fault(_fault), cc(_cc) 1214519Sgblack@eecs.umich.edu { 1224519Sgblack@eecs.umich.edu } 1234519Sgblack@eecs.umich.edu 1245163Sgblack@eecs.umich.edu inline MicroFaultBase::MicroFaultBase( 1254519Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1264519Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 1275163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1284590Sgblack@eecs.umich.edu X86MicroopBase(machInst, "fault", instMnem, 1294590Sgblack@eecs.umich.edu isMicro, isDelayed, isFirst, isLast, No_OpClass), 1305163Sgblack@eecs.umich.edu fault(_fault), cc(_cc) 1314519Sgblack@eecs.umich.edu { 1324519Sgblack@eecs.umich.edu } 1334519Sgblack@eecs.umich.edu}}; 1344519Sgblack@eecs.umich.edu 1355163Sgblack@eecs.umich.edudef template MicroFaultConstructor {{ 1365163Sgblack@eecs.umich.edu 1375163Sgblack@eecs.umich.edu inline void %(class_name)s::buildMe() 1385163Sgblack@eecs.umich.edu { 1395163Sgblack@eecs.umich.edu %(constructor)s; 1405163Sgblack@eecs.umich.edu } 1415163Sgblack@eecs.umich.edu 1425163Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1435163Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1445163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1455163Sgblack@eecs.umich.edu %(base_class)s(machInst, instMnem, _fault, _cc) 1465163Sgblack@eecs.umich.edu { 1475163Sgblack@eecs.umich.edu buildMe(); 1485163Sgblack@eecs.umich.edu } 1495163Sgblack@eecs.umich.edu 1505163Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1515163Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1525163Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 1535163Sgblack@eecs.umich.edu Fault _fault, uint8_t _cc) : 1545163Sgblack@eecs.umich.edu %(base_class)s(machInst, instMnem, 1555163Sgblack@eecs.umich.edu isMicro, isDelayed, isFirst, isLast, _fault, _cc) 1565163Sgblack@eecs.umich.edu { 1575163Sgblack@eecs.umich.edu buildMe(); 1585163Sgblack@eecs.umich.edu } 1595163Sgblack@eecs.umich.edu}}; 1605163Sgblack@eecs.umich.edu 1614696Sgblack@eecs.umich.eduoutput decoder {{ 1625163Sgblack@eecs.umich.edu std::string MicroFaultBase::generateDisassembly(Addr pc, 1634696Sgblack@eecs.umich.edu const SymbolTable *symtab) const 1644696Sgblack@eecs.umich.edu { 1654696Sgblack@eecs.umich.edu std::stringstream response; 1664696Sgblack@eecs.umich.edu 1674696Sgblack@eecs.umich.edu printMnemonic(response, instMnem, mnemonic); 1684696Sgblack@eecs.umich.edu if(fault) 1694696Sgblack@eecs.umich.edu response << fault->name(); 1704696Sgblack@eecs.umich.edu else 1714696Sgblack@eecs.umich.edu response << "No Fault"; 1724696Sgblack@eecs.umich.edu 1734696Sgblack@eecs.umich.edu return response.str(); 1744696Sgblack@eecs.umich.edu } 1754696Sgblack@eecs.umich.edu}}; 1764696Sgblack@eecs.umich.edu 1774519Sgblack@eecs.umich.edulet {{ 1784590Sgblack@eecs.umich.edu class Fault(X86Microop): 1795163Sgblack@eecs.umich.edu className = "MicroFault" 1805163Sgblack@eecs.umich.edu def __init__(self, fault, flags=None): 1814590Sgblack@eecs.umich.edu self.fault = fault 1825163Sgblack@eecs.umich.edu if flags: 1835163Sgblack@eecs.umich.edu if not isinstance(flags, (list, tuple)): 1845163Sgblack@eecs.umich.edu raise Exception, "flags must be a list or tuple of flags" 1855163Sgblack@eecs.umich.edu self.cond = " | ".join(flags) 1865163Sgblack@eecs.umich.edu self.className += "Flags" 1875163Sgblack@eecs.umich.edu else: 1885163Sgblack@eecs.umich.edu self.cond = "0" 1894590Sgblack@eecs.umich.edu 1904590Sgblack@eecs.umich.edu def getAllocator(self, *microFlags): 1915163Sgblack@eecs.umich.edu allocator = '''new %(class_name)s(machInst, mnemonic 1925163Sgblack@eecs.umich.edu %(flags)s, %(fault)s, %(cc)s)''' % { 1935163Sgblack@eecs.umich.edu "class_name" : self.className, 1944590Sgblack@eecs.umich.edu "flags" : self.microFlagsText(microFlags), 1955163Sgblack@eecs.umich.edu "fault" : self.fault, 1965163Sgblack@eecs.umich.edu "cc" : self.cond} 1974590Sgblack@eecs.umich.edu return allocator 1985163Sgblack@eecs.umich.edu 1995163Sgblack@eecs.umich.edu iop = InstObjParams("fault", "MicroFault", "MicroFaultBase", 2005163Sgblack@eecs.umich.edu {"code": "", 2015163Sgblack@eecs.umich.edu "cond_test": "checkCondition(ccFlagBits, cc)"}) 2025163Sgblack@eecs.umich.edu exec_output = MicroFaultExecute.subst(iop) 2035163Sgblack@eecs.umich.edu header_output = MicroFaultDeclare.subst(iop) 2045163Sgblack@eecs.umich.edu decoder_output = MicroFaultConstructor.subst(iop) 2055163Sgblack@eecs.umich.edu iop = InstObjParams("fault", "MicroFaultFlags", "MicroFaultBase", 2065163Sgblack@eecs.umich.edu {"code": "", 2075163Sgblack@eecs.umich.edu "cond_test": "true"}) 2085163Sgblack@eecs.umich.edu exec_output += MicroFaultExecute.subst(iop) 2095163Sgblack@eecs.umich.edu header_output += MicroFaultDeclare.subst(iop) 2105163Sgblack@eecs.umich.edu decoder_output += MicroFaultConstructor.subst(iop) 2114590Sgblack@eecs.umich.edu microopClasses["fault"] = Fault 2124519Sgblack@eecs.umich.edu}}; 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