include/regionalloctracking.h

#include "dosbox.h"

#include <vector>
#include <string>

#ifndef DOSBOX_REGIONALLOCTRACKING_H
#define DOSBOX_REGIONALLOCTRACKING_H

/* rombios memory block */
class RegionAllocTracking {
public:
        class Block {
public:
                                                Block();
public:
                std::string                     who;
                Bitu                            start;          /* start-end of the block inclusive */
                Bitu                            end;
                bool                            free;
        };
public:
                                                RegionAllocTracking();
public:
        Bitu                                    getMemory(Bitu bytes,const char *who,Bitu alignment,Bitu must_be_at);
        void                                    initSetRange(Bitu start,Bitu end);
        Bitu                                    freeUnusedMinToLoc(Bitu phys);
        bool                                    freeMemory(Bitu offset);
        Bitu                                    getMinAddress();        
        void                                    compactFree();
        void                                    sanityCheck();
        void                                    logDump();
public:
        std::string                             name;
        std::vector<Block>                      alist;
        Bitu                                    _min,_max;
        bool                                    topDownAlloc;
public:
        static const Bitu                       alloc_failed = ~((Bitu)0);
};

#endif /* DOSBOX_REGIONALLOCTRACKING_H */