tlbi_op.hh

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/*
 * Copyright (c) 2018-2019 ARM Limited
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 *
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 * 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
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 * modified or unmodified, in source code or in binary form.
 *
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 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 *
 * Authors: Giacomo Travaglini
 */

#ifndef __ARCH_ARM_TLBI_HH__
#define __ARCH_ARM_TLBI_HH__

#include "arch/arm/system.hh"
#include "arch/arm/tlb.hh"
#include "cpu/thread_context.hh"

namespace ArmISA {

class TLBIOp
{
  public:
    TLBIOp(ExceptionLevel _targetEL, bool _secure)
      : secureLookup(_secure), targetEL(_targetEL)
    {}

    virtual ~TLBIOp() {}
    virtual void operator()(ThreadContext* tc) {}

    void
    broadcast(ThreadContext *tc)
    {
        System *sys = tc->getSystemPtr();
        for (int x = 0; x < sys->numContexts(); x++) {
            ThreadContext *oc = sys->getThreadContext(x);
            (*this)(oc);
        }
    }

  protected:
    bool secureLookup;
    ExceptionLevel targetEL;
};

class TLBIALL : public TLBIOp
{
  public:
    TLBIALL(ExceptionLevel _targetEL, bool _secure)
      : TLBIOp(_targetEL, _secure)
    {}

    void operator()(ThreadContext* tc) override;
};

class ITLBIALL : public TLBIOp
{
  public:
    ITLBIALL(ExceptionLevel _targetEL, bool _secure)
      : TLBIOp(_targetEL, _secure)
    {}

    void broadcast(ThreadContext *tc) = delete;

    void operator()(ThreadContext* tc) override;
};

class DTLBIALL : public TLBIOp
{
  public:
    DTLBIALL(ExceptionLevel _targetEL, bool _secure)
      : TLBIOp(_targetEL, _secure)
    {}

    void broadcast(ThreadContext *tc) = delete;

    void operator()(ThreadContext* tc) override;
};

class TLBIASID : public TLBIOp
{
  public:
    TLBIASID(ExceptionLevel _targetEL, bool _secure, uint16_t _asid)
      : TLBIOp(_targetEL, _secure), asid(_asid)
    {}

    void operator()(ThreadContext* tc) override;

  protected:
    uint16_t asid;
};

class ITLBIASID : public TLBIOp
{
  public:
    ITLBIASID(ExceptionLevel _targetEL, bool _secure, uint16_t _asid)
      : TLBIOp(_targetEL, _secure), asid(_asid)
    {}

    void broadcast(ThreadContext *tc) = delete;

    void operator()(ThreadContext* tc) override;

  protected:
    uint16_t asid;
};

class DTLBIASID : public TLBIOp
{
  public:
    DTLBIASID(ExceptionLevel _targetEL, bool _secure, uint16_t _asid)
      : TLBIOp(_targetEL, _secure), asid(_asid)
    {}

    void broadcast(ThreadContext *tc) = delete;

    void operator()(ThreadContext* tc) override;

  protected:
    uint16_t asid;
};

class TLBIALLN : public TLBIOp
{
  public:
    TLBIALLN(ExceptionLevel _targetEL)
      : TLBIOp(_targetEL, false)
    {}

    void operator()(ThreadContext* tc) override;
};

class TLBIMVAA : public TLBIOp
{
  public:
    TLBIMVAA(ExceptionLevel _targetEL, bool _secure,
             Addr _addr)
      : TLBIOp(_targetEL, _secure), addr(_addr)
    {}

    void operator()(ThreadContext* tc) override;

  protected:
    Addr addr;
};

class TLBIMVA : public TLBIOp
{
  public:
    TLBIMVA(ExceptionLevel _targetEL, bool _secure,
            Addr _addr, uint16_t _asid)
      : TLBIOp(_targetEL, _secure), addr(_addr), asid(_asid)
    {}

    void operator()(ThreadContext* tc) override;

  protected:
    Addr addr;
    uint16_t asid;
};

class ITLBIMVA : public TLBIOp
{
  public:
    ITLBIMVA(ExceptionLevel _targetEL, bool _secure,
             Addr _addr, uint16_t _asid)
      : TLBIOp(_targetEL, _secure), addr(_addr), asid(_asid)
    {}

    void broadcast(ThreadContext *tc) = delete;

    void operator()(ThreadContext* tc) override;

  protected:
    Addr addr;
    uint16_t asid;
};

class DTLBIMVA : public TLBIOp
{
  public:
    DTLBIMVA(ExceptionLevel _targetEL, bool _secure,
             Addr _addr, uint16_t _asid)
      : TLBIOp(_targetEL, _secure), addr(_addr), asid(_asid)
    {}

    void broadcast(ThreadContext *tc) = delete;

    void operator()(ThreadContext* tc) override;

  protected:
    Addr addr;
    uint16_t asid;
};

class TLBIIPA : public TLBIOp
{
  public:
    TLBIIPA(ExceptionLevel _targetEL, bool _secure, Addr _addr)
      : TLBIOp(_targetEL, _secure), addr(_addr)
    {}

    void operator()(ThreadContext* tc) override;

  protected:
    Addr addr;
};

} // namespace ArmISA

#endif //__ARCH_ARM_TLBI_HH__