translate.h

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#ifndef TLB_H
#define TLB_H

#include "copyright.h"
#include "utility.h"


class TranslationEntry {
  public:
    unsigned int virtualPage;   // The page number in virtual memory.
    unsigned int physicalPage;  // The page number in real memory (relative to the
            //  start of "mainMemory"
    bool valid;         // If this bit is set, the translation is ignored.
            // (In other words, the entry hasn't been initialized.)
    bool readOnly;  // If this bit is set, the user program is not allowed
            // to modify the contents of the page.
    bool use;           // This bit is set by the hardware every time the
            // page is referenced or modified.
    bool dirty;         // This bit is set by the hardware every time the
            // page is modified.
};

#endif