misc.hh

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#ifndef __ARCH_ARM_INSTS_MISC_HH__
#define __ARCH_ARM_INSTS_MISC_HH__
 
#include "arch/arm/insts/pred_inst.hh"
 
namespace gem5
{
 
class MrsOp : public ArmISA::PredOp
{
  protected:
    RegIndex dest;
 
    MrsOp(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
            RegIndex _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:
    RegIndex op1;
 
    MsrRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
             OpClass __opClass, RegIndex _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;
    RegIndex dest;
    RegIndex dest2;
    uint32_t imm;
 
    MrrcOp(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
           ArmISA::MiscRegIndex _op1, RegIndex _dest, RegIndex _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:
    RegIndex op1;
    RegIndex op2;
    ArmISA::MiscRegIndex dest;
    uint32_t    imm;
 
    McrrOp(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
           RegIndex _op1, RegIndex _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:
    RegIndex dest;
    uint64_t imm;
 
    RegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
             OpClass __opClass, RegIndex _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:
    RegIndex dest;
    RegIndex op1;
 
    RegRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
             OpClass __opClass, RegIndex _dest,
             RegIndex _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:
    RegIndex dest;
 
    RegOp(const char *mnem, ArmISA::ExtMachInst _machInst, OpClass __opClass,
             RegIndex _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:
    RegIndex dest;
    uint64_t imm;
    RegIndex op1;
 
    RegImmRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                OpClass __opClass, RegIndex _dest, uint64_t _imm,
                RegIndex _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:
    RegIndex dest;
    RegIndex op1;
    RegIndex op2;
    uint64_t imm;
 
    RegRegRegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                   OpClass __opClass, RegIndex _dest,
                   RegIndex _op1, RegIndex _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:
    RegIndex dest;
    RegIndex op1;
    RegIndex op2;
    RegIndex op3;
 
    RegRegRegRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                   OpClass __opClass, RegIndex _dest,
                   RegIndex _op1, RegIndex _op2,
                   RegIndex _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:
    RegIndex dest;
    RegIndex op1;
    RegIndex op2;
 
    RegRegRegOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                OpClass __opClass, RegIndex _dest,
                RegIndex _op1, RegIndex _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:
    RegIndex dest;
    RegIndex op1;
    uint64_t imm;
 
    RegRegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                OpClass __opClass, RegIndex _dest,
                RegIndex _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;
    RegIndex op1;
    uint64_t imm;
 
    MiscRegRegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                    OpClass __opClass, ArmISA::MiscRegIndex _dest,
                    RegIndex _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:
    RegIndex dest;
    ArmISA::MiscRegIndex op1;
    uint64_t imm;
 
    RegMiscRegImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                    OpClass __opClass, RegIndex _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:
    RegIndex dest;
    uint64_t imm1;
    uint64_t imm2;
 
    RegImmImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                OpClass __opClass, RegIndex _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:
    RegIndex dest;
    RegIndex op1;
    uint64_t imm1;
    uint64_t imm2;
 
    RegRegImmImmOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                   OpClass __opClass, RegIndex _dest,
                   RegIndex _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:
    RegIndex dest;
    uint64_t imm;
    RegIndex op1;
    int32_t shiftAmt;
    ArmISA::ArmShiftType shiftType;
 
    RegImmRegShiftOp(const char *mnem, ArmISA::ExtMachInst _machInst,
                     OpClass __opClass, RegIndex _dest,
                     uint64_t _imm, RegIndex _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;
 
};
 
class TlbiOp : public MiscRegRegImmOp
{
  protected:
    TlbiOp(const char *mnem, ArmISA::ExtMachInst _machInst,
           OpClass __opClass, ArmISA::MiscRegIndex _dest,
           RegIndex _op1, uint64_t _imm) :
        MiscRegRegImmOp(mnem, _machInst, __opClass, _dest, _op1, _imm)
    {}
 
    void performTlbi(ExecContext *xc,
                     ArmISA::MiscRegIndex dest_idx, RegVal value) const;
};
 
} // namespace gem5
 
#endif