diff options
Diffstat (limited to 'src/arch/mips/isa/formats/unimp.isa')
| -rw-r--r-- | src/arch/mips/isa/formats/unimp.isa | 195 |
1 files changed, 167 insertions, 28 deletions
diff --git a/src/arch/mips/isa/formats/unimp.isa b/src/arch/mips/isa/formats/unimp.isa index 03068fa74..bf91e1fae 100644 --- a/src/arch/mips/isa/formats/unimp.isa +++ b/src/arch/mips/isa/formats/unimp.isa @@ -1,33 +1,39 @@ // -*- mode:c++ -*- +// Copyright N) 2007 MIPS Technologies, Inc. All Rights Reserved + +// This software is part of the M5 simulator. + +// THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING +// DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING +// TO THESE TERMS AND CONDITIONS. + +// Permission is granted to use, copy, create derivative works and +// distribute this software and such derivative works for any purpose, +// so long as (1) the copyright notice above, this grant of permission, +// and the disclaimer below appear in all copies and derivative works +// made, (2) the copyright notice above is augmented as appropriate to +// reflect the addition of any new copyrightable work in a derivative +// work (e.g., Copyright N) <Publication Year> Copyright Owner), and (3) +// the name of MIPS Technologies, Inc. ($(B!H(BMIPS$(B!I(B) is not used in any +// advertising or publicity pertaining to the use or distribution of +// this software without specific, written prior authorization. + +// THIS SOFTWARE IS PROVIDED $(B!H(BAS IS.$(B!I(B MIPS MAKES NO WARRANTIES AND +// DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR +// OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND +// NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE. +// IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, +// INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF +// ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, +// THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY +// IS ASSERTED ON THE BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE OR +// STRICT LIABILITY), OR OTHERWISE, EVEN IF MIPS HAS BEEN WARNED OF THE +// POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE. + +//Authors: Korey L. Sewell -// Copyright (c) 2006 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: Korey Sewell //////////////////////////////////////////////////////////////////// // @@ -59,6 +65,57 @@ output header {{ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; }; + class CP0Unimplemented : public MipsStaticInst + { + public: + /// Constructor + CP0Unimplemented(const char *_mnemonic, MachInst _machInst) + : MipsStaticInst(_mnemonic, _machInst, No_OpClass) + { + // don't call execute() (which panics) if we're on a + // speculative path + flags[IsNonSpeculative] = true; + } + + %(BasicExecDeclare)s + + std::string + generateDisassembly(Addr pc, const SymbolTable *symtab) const; + }; + class CP1Unimplemented : public MipsStaticInst + { + public: + /// Constructor + CP1Unimplemented(const char *_mnemonic, MachInst _machInst) + : MipsStaticInst(_mnemonic, _machInst, No_OpClass) + { + // don't call execute() (which panics) if we're on a + // speculative path + flags[IsNonSpeculative] = true; + } + + %(BasicExecDeclare)s + + std::string + generateDisassembly(Addr pc, const SymbolTable *symtab) const; + }; + class CP2Unimplemented : public MipsStaticInst + { + public: + /// Constructor + CP2Unimplemented(const char *_mnemonic, MachInst _machInst) + : MipsStaticInst(_mnemonic, _machInst, No_OpClass) + { + // don't call execute() (which panics) if we're on a + // speculative path + flags[IsNonSpeculative] = true; + } + + %(BasicExecDeclare)s + + std::string + generateDisassembly(Addr pc, const SymbolTable *symtab) const; + }; /** * Base class for unimplemented instructions that cause a warning @@ -101,6 +158,26 @@ output decoder {{ } std::string + CP0Unimplemented::generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + return csprintf("%-10s (unimplemented)", mnemonic); + } + + std::string + CP1Unimplemented::generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + return csprintf("%-10s (unimplemented)", mnemonic); + } + std::string + CP2Unimplemented::generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + return csprintf("%-10s (unimplemented)", mnemonic); + } + + std::string WarnUnimplemented::generateDisassembly(Addr pc, const SymbolTable *symtab) const { @@ -120,6 +197,56 @@ output exec {{ } Fault + CP0Unimplemented::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { +#if FULL_SYSTEM + if (!isCoprocessorEnabled(xc, 0)) { + return new CoprocessorUnusableFault(0); + } + return new ReservedInstructionFault; +#else + panic("attempt to execute unimplemented instruction '%s' " + "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE, + inst2string(machInst)); + return new UnimplementedOpcodeFault; +#endif + } + + Fault + CP1Unimplemented::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { +#if FULL_SYSTEM + if (!isCoprocessorEnabled(xc, 1)) { + return new CoprocessorUnusableFault(1); + } + return new ReservedInstructionFault; +#else + panic("attempt to execute unimplemented instruction '%s' " + "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE, + inst2string(machInst)); + return new UnimplementedOpcodeFault; +#endif + } + Fault + CP2Unimplemented::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { +#if FULL_SYSTEM + if (!isCoprocessorEnabled(xc, 2)) { + return new CoprocessorUnusableFault(2); + } + return new ReservedInstructionFault; +#else + panic("attempt to execute unimplemented instruction '%s' " + "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE, + inst2string(machInst)); + return new UnimplementedOpcodeFault; +#endif + } + + Fault WarnUnimplemented::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const { @@ -136,8 +263,20 @@ output exec {{ def format FailUnimpl() {{ iop = InstObjParams(name, 'FailUnimplemented') decode_block = BasicDecodeWithMnemonic.subst(iop) -}}; +}}; +def format CP0Unimpl() {{ + iop = InstObjParams(name, 'CP0Unimplemented') + decode_block = BasicDecodeWithMnemonic.subst(iop) +}}; +def format CP1Unimpl() {{ + iop = InstObjParams(name, 'CP1Unimplemented') + decode_block = BasicDecodeWithMnemonic.subst(iop) +}}; +def format CP2Unimpl() {{ + iop = InstObjParams(name, 'CP2Unimplemented') + decode_block = BasicDecodeWithMnemonic.subst(iop) +}}; def format WarnUnimpl() {{ iop = InstObjParams(name, 'WarnUnimplemented') decode_block = BasicDecodeWithMnemonic.subst(iop) |