| // Copyright (c) 2006-2007 The Regents of The University of Michigan |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer; |
| // redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in the |
| // documentation and/or other materials provided with the distribution; |
| // neither the name of the copyright holders nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| // |
| // Authors: Gabe Black |
| |
| // This delcares the initiateAcc function in memory operations |
| def template MacroInitiateAcc {{ |
| Fault |
| initiateAcc(%(CPU_exec_context)s *, Trace::InstRecord *) const |
| { |
| panic("Tried to execute a macroop directly!\n"); |
| return NoFault; |
| } |
| }}; |
| |
| def template MacroCompleteAcc {{ |
| Fault |
| completeAcc(PacketPtr, %(CPU_exec_context)s *, Trace::InstRecord *) const |
| { |
| panic("Tried to execute a macroop directly!\n"); |
| return NoFault; |
| } |
| }}; |
| |
| // This template provides the execute functions for a store |
| def template MacroExecute {{ |
| Fault |
| execute(%(CPU_exec_context)s *, Trace::InstRecord *) const |
| { |
| panic("Tried to execute a macroop directly!\n"); |
| return NoFault; |
| } |
| }}; |
| |
| output header {{ |
| |
| class SparcMacroInst : public SparcStaticInst |
| { |
| protected: |
| const uint32_t numMicroops; |
| |
| // Constructor. |
| SparcMacroInst(const char *mnem, ExtMachInst _machInst, |
| OpClass __opClass, uint32_t _numMicroops) |
| : SparcStaticInst(mnem, _machInst, __opClass), |
| numMicroops(_numMicroops) |
| { |
| assert(numMicroops); |
| microops = new StaticInstPtr[numMicroops]; |
| flags[IsMacroop] = true; |
| } |
| |
| ~SparcMacroInst() |
| { |
| delete [] microops; |
| } |
| |
| std::string generateDisassembly(Addr pc, |
| const SymbolTable *symtab) const; |
| |
| StaticInstPtr * microops; |
| |
| StaticInstPtr |
| fetchMicroop(MicroPC upc) const |
| { |
| assert(upc < numMicroops); |
| return microops[upc]; |
| } |
| |
| %(MacroExecute)s |
| %(MacroInitiateAcc)s |
| %(MacroCompleteAcc)s |
| }; |
| |
| class SparcMicroInst : public SparcStaticInst |
| { |
| protected: |
| // Constructor. |
| SparcMicroInst(const char *mnem, |
| ExtMachInst _machInst, OpClass __opClass) |
| : SparcStaticInst(mnem, _machInst, __opClass) |
| { |
| flags[IsMicroop] = true; |
| } |
| |
| void |
| advancePC(SparcISA::PCState &pcState) const |
| { |
| if (flags[IsLastMicroop]) |
| pcState.uEnd(); |
| else |
| pcState.uAdvance(); |
| } |
| }; |
| |
| class SparcDelayedMicroInst : public SparcMicroInst |
| { |
| protected: |
| // Constructor. |
| SparcDelayedMicroInst(const char *mnem, |
| ExtMachInst _machInst, OpClass __opClass) |
| : SparcMicroInst(mnem, _machInst, __opClass) |
| { |
| flags[IsDelayedCommit] = true; |
| } |
| }; |
| }}; |
| |
| output decoder {{ |
| |
| std::string |
| SparcMacroInst::generateDisassembly(Addr pc, |
| const SymbolTable *symtab) const |
| { |
| std::stringstream response; |
| |
| printMnemonic(response, mnemonic); |
| |
| return response.str(); |
| } |
| |
| }}; |