misc.hh

Go to the documentation of this file.

/*
 * Copyright (c) 2010, 2012-2013, 2017-2018 ARM Limited
 * All rights reserved
 *
 * The license below extends only to copyright in the software and shall
 * not be construed as granting a license to any other intellectual
 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
 * unmodified and in its entirety in all distributions of the software,
 * modified or unmodified, in source code or in binary form.
 *
 * 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.
 */
 
#ifndef __ARCH_ARM_INSTS_MISC_HH__
#define __ARCH_ARM_INSTS_MISC_HH__
 
#include "arch/arm/insts/pred_inst.hh"
 
class MrsOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
 
    MrsOp(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
            ArmISA::IntRegIndex _dest) :
        ArmISA::PredOp(mnem, _machInst, __opClass), dest(_dest)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class MsrBase : public ArmISA::PredOp
{
  protected:
    uint8_t byteMask;
 
    MsrBase(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
            uint8_t _byteMask) :
        ArmISA::PredOp(mnem, _machInst, __opClass), byteMask(_byteMask)
    {}
 
    void printMsrBase(std::ostream &os) const;
};
 
class MsrImmOp : public MsrBase
{
  protected:
    uint32_t imm;
 
    MsrImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
             OpClass __opClass, uint32_t _imm, uint8_t _byteMask) :
        MsrBase(mnem, _machInst, __opClass, _byteMask), imm(_imm)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class MsrRegOp : public MsrBase
{
  protected:
    ArmISA::IntRegIndex op1;
 
    MsrRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
             OpClass __opClass, ArmISA::IntRegIndex _op1, uint8_t _byteMask) :
        MsrBase(mnem, _machInst, __opClass, _byteMask), op1(_op1)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class MrrcOp : public ArmISA::PredOp
{
  protected:
    ArmISA::MiscRegIndex op1;
    ArmISA::IntRegIndex dest;
    ArmISA::IntRegIndex dest2;
    uint32_t imm;
 
    MrrcOp(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
           ArmISA::MiscRegIndex _op1, ArmISA::IntRegIndex _dest,
           ArmISA::IntRegIndex _dest2, uint32_t _imm) :
        ArmISA::PredOp(mnem, _machInst, __opClass), op1(_op1), dest(_dest),
        dest2(_dest2), imm(_imm)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class McrrOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex op1;
    ArmISA::IntRegIndex op2;
    ArmISA::MiscRegIndex dest;
    uint32_t    imm;
 
    McrrOp(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
           ArmISA::IntRegIndex _op1, ArmISA::IntRegIndex _op2,
           ArmISA::MiscRegIndex _dest, uint32_t _imm) :
        ArmISA::PredOp(mnem, _machInst, __opClass), op1(_op1), op2(_op2),
        dest(_dest), imm(_imm)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class ImmOp : public ArmISA::PredOp
{
  protected:
    uint64_t imm;
 
    ImmOp(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
             uint64_t _imm) :
        ArmISA::PredOp(mnem, _machInst, __opClass), imm(_imm)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegImmOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    uint64_t imm;
 
    RegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
             OpClass __opClass, ArmISA::IntRegIndex _dest, uint64_t _imm) :
        ArmISA::PredOp(mnem, _machInst, __opClass), dest(_dest), imm(_imm)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegRegOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    ArmISA::IntRegIndex op1;
 
    RegRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
             OpClass __opClass, ArmISA::IntRegIndex _dest,
             ArmISA::IntRegIndex _op1) :
        ArmISA::PredOp(mnem, _machInst, __opClass), dest(_dest), op1(_op1)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
 
    RegOp(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
             ArmISA::IntRegIndex _dest) :
        ArmISA::PredOp(mnem, _machInst, __opClass), dest(_dest)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegImmRegOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    uint64_t imm;
    ArmISA::IntRegIndex op1;
 
    RegImmRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                OpClass __opClass, ArmISA::IntRegIndex _dest, uint64_t _imm,
                ArmISA::IntRegIndex _op1) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), imm(_imm), op1(_op1)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegRegRegImmOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    ArmISA::IntRegIndex op1;
    ArmISA::IntRegIndex op2;
    uint64_t imm;
 
    RegRegRegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                   OpClass __opClass, ArmISA::IntRegIndex _dest,
                   ArmISA::IntRegIndex _op1, ArmISA::IntRegIndex _op2,
                   uint64_t _imm) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), op1(_op1), op2(_op2), imm(_imm)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegRegRegRegOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    ArmISA::IntRegIndex op1;
    ArmISA::IntRegIndex op2;
    ArmISA::IntRegIndex op3;
 
    RegRegRegRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                   OpClass __opClass, ArmISA::IntRegIndex _dest,
                   ArmISA::IntRegIndex _op1, ArmISA::IntRegIndex _op2,
                   ArmISA::IntRegIndex _op3) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), op1(_op1), op2(_op2), op3(_op3)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegRegRegOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    ArmISA::IntRegIndex op1;
    ArmISA::IntRegIndex op2;
 
    RegRegRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                OpClass __opClass, ArmISA::IntRegIndex _dest,
                ArmISA::IntRegIndex _op1, ArmISA::IntRegIndex _op2) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), op1(_op1), op2(_op2)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegRegImmOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    ArmISA::IntRegIndex op1;
    uint64_t imm;
 
    RegRegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                OpClass __opClass, ArmISA::IntRegIndex _dest,
                ArmISA::IntRegIndex _op1, uint64_t _imm) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), op1(_op1), imm(_imm)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class MiscRegRegImmOp : public ArmISA::PredOp
{
  protected:
    ArmISA::MiscRegIndex dest;
    ArmISA::IntRegIndex op1;
    uint64_t imm;
 
    MiscRegRegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                    OpClass __opClass, ArmISA::MiscRegIndex _dest,
                    ArmISA::IntRegIndex _op1, uint64_t _imm) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), op1(_op1), imm(_imm)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegMiscRegImmOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    ArmISA::MiscRegIndex op1;
    uint64_t imm;
 
    RegMiscRegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                    OpClass __opClass, ArmISA::IntRegIndex _dest,
                    ArmISA::MiscRegIndex _op1, uint64_t _imm) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), op1(_op1), imm(_imm)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegImmImmOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    uint64_t imm1;
    uint64_t imm2;
 
    RegImmImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                OpClass __opClass, ArmISA::IntRegIndex _dest,
                uint64_t _imm1, uint64_t _imm2) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), imm1(_imm1), imm2(_imm2)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegRegImmImmOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    ArmISA::IntRegIndex op1;
    uint64_t imm1;
    uint64_t imm2;
 
    RegRegImmImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                   OpClass __opClass, ArmISA::IntRegIndex _dest,
                   ArmISA::IntRegIndex _op1, uint64_t _imm1, uint64_t _imm2) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), op1(_op1), imm1(_imm1), imm2(_imm2)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class RegImmRegShiftOp : public ArmISA::PredOp
{
  protected:
    ArmISA::IntRegIndex dest;
    uint64_t imm;
    ArmISA::IntRegIndex op1;
    int32_t shiftAmt;
    ArmISA::ArmShiftType shiftType;
 
    RegImmRegShiftOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                     OpClass __opClass, ArmISA::IntRegIndex _dest,
                     uint64_t _imm, ArmISA::IntRegIndex _op1,
                     int32_t _shiftAmt, ArmISA::ArmShiftType _shiftType) :
        ArmISA::PredOp(mnem, _machInst, __opClass),
        dest(_dest), imm(_imm), op1(_op1),
        shiftAmt(_shiftAmt), shiftType(_shiftType)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class UnknownOp : public ArmISA::PredOp
{
  protected:
 
    UnknownOp(const char *mnem, ArmISA::ExtMachInst _machInst,
              OpClass __opClass) :
        ArmISA::PredOp(mnem, _machInst, __opClass)
    {}
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
};
 
class McrMrcMiscInst : public ArmISA::ArmStaticInst
{
  protected:
    uint64_t iss;
    ArmISA::MiscRegIndex miscReg;
 
  public:
    McrMrcMiscInst(const char *_mnemonic, ArmISA::ExtMachInst _machInst,
                   uint64_t _iss, ArmISA::MiscRegIndex _miscReg);
 
    Fault execute(ExecContext *xc,
                  Trace::InstRecord *traceData) const override;
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
 
};
 
class McrMrcImplDefined : public McrMrcMiscInst
{
  public:
    McrMrcImplDefined(const char *_mnemonic, ArmISA::ExtMachInst _machInst,
                      uint64_t _iss, ArmISA::MiscRegIndex _miscReg);
 
    Fault execute(ExecContext *xc,
                  Trace::InstRecord *traceData) const override;
 
    std::string generateDisassembly(
            Addr pc, const Loader::SymbolTable *symtab) const override;
 
};
 
#endif