isa_device.hh

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/*
 * Copyright (c) 2014, 2017 ARM Limited
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#ifndef __ARCH_ARM_ISA_DEVICE_HH__
#define __ARCH_ARM_ISA_DEVICE_HH__
 
#include "base/compiler.hh"
#include "base/types.hh"
 
namespace gem5
{
 
class ThreadContext;
 
namespace ArmISA
{
 
class ISA;
 
class BaseISADevice
{
  public:
    BaseISADevice();
    virtual ~BaseISADevice() {}
 
    virtual void setISA(ISA *isa);
    virtual void setThreadContext(ThreadContext *tc) {}
 
    virtual void setMiscReg(int misc_reg, RegVal val) = 0;
 
    virtual RegVal readMiscReg(int misc_reg) = 0;
 
  protected:
    ISA *isa;
};
 
class DummyISADevice : public BaseISADevice
{
  public:
    DummyISADevice()
        : BaseISADevice() {}
    ~DummyISADevice() {}
 
    void setMiscReg(int misc_reg, RegVal val) override;
    RegVal readMiscReg(int misc_reg) override;
};
 
} // namespace ArmISA
} // namespace gem5
 
#endif // __ARCH_ARM_ISA_DEVICE_HH__