IntController.h

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/*
 * Copyright (C) 2015 Niek Linnenbank
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __LIBARCH_INTCONTROLLER_H
#define __LIBARCH_INTCONTROLLER_H
 
#include <Types.h>
#include <Macros.h>
 
class IntController
{
  public:
 
    enum Result
    {
        Success,
        InvalidIRQ,
        InvalidFrequency,
        IOError,
        NotFound
    };
 
    IntController();
 
    uint getBase() const;
 
    virtual Result enable(uint irq) = 0;
 
    virtual Result disable(uint irq) = 0;
 
    virtual Result clear(uint irq) = 0;
 
    virtual Result nextPending(uint & irq);
 
    virtual bool isTriggered(uint irq);
 
    virtual Result send(const uint targetCoreId, const uint irq);
 
  protected:
 
    uint m_base;
 
};
 
#endif /* __LIBARCH_INTCONTROLLER_H */