base_gic.hh

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/*
 * Copyright (c) 2012-2013, 2017 ARM Limited
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 * this software without specific prior written permission.
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 * Authors: Andreas Sandberg
 */

#ifndef __DEV_ARM_BASE_GIC_H__
#define __DEV_ARM_BASE_GIC_H__

#include "dev/io_device.hh"

class Platform;

class BaseGic :  public PioDevice
{
  public:
    typedef struct BaseGicParams Params;

    BaseGic(const Params *p);
    virtual ~BaseGic();

    const Params * params() const;

    virtual void sendInt(uint32_t num) = 0;

    virtual void sendPPInt(uint32_t num, uint32_t cpu) = 0;
    virtual void clearPPInt(uint32_t num, uint32_t cpu) = 0;

    virtual void clearInt(uint32_t num) = 0;

  protected:
    Platform *platform;
};

class BaseGicRegisters
{
  public:
    virtual uint32_t readDistributor(ContextID ctx, Addr daddr) = 0;
    virtual uint32_t readCpu(ContextID ctx, Addr daddr) = 0;

    virtual void writeDistributor(ContextID ctx, Addr daddr,
                                  uint32_t data) = 0;
    virtual void writeCpu(ContextID ctx, Addr daddr, uint32_t data) = 0;
};

#endif