CacheDriver.h

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/*
 *      $Id$
 *      Copyright (c) 2007, IRIT-UPS <casse@irit.fr>.
 *
 *      CacheDriver class interface.
 */
#ifndef OTAWA_SIM_CACHE_DRIVER_H
#define OTAWA_SIM_CACHE_DRIVER_H

#include <otawa/base.h>

namespace otawa {

namespace sim {

// External classes
class State;

// CacheDriver class
class CacheDriver {
public :
        typedef enum {
                MISS = 0,
                HIT = 1
        } result_t;
        
        typedef enum {
                READ,
                WRITE
        } action_t;
        
        virtual ~CacheDriver(void); 
        virtual result_t access(address_t address, size_t size, action_t action) = 0;
        
        static CacheDriver& ALWAYS_HIT;
        static CacheDriver& ALWAYS_MISS;
};

} } // otawa::sim

#endif  // OTAWA_SIM_CACHE_DRIVER_H