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include/regionalloctracking.h
00001 
00002 #include "dosbox.h"
00003 
00004 #include <vector>
00005 #include <string>
00006 
00007 #ifndef DOSBOX_REGIONALLOCTRACKING_H
00008 #define DOSBOX_REGIONALLOCTRACKING_H
00009 
00010 /* rombios memory block */
00011 class RegionAllocTracking {
00012 public:
00013         class Block {
00014 public:
00015                                                 Block();
00016 public:
00017                 std::string                     who;
00018                 Bitu                            start;          /* start-end of the block inclusive */
00019                 Bitu                            end;
00020                 bool                            free;
00021         };
00022 public:
00023                                                 RegionAllocTracking();
00024 public:
00025         Bitu                                    getMemory(Bitu bytes,const char *who,Bitu alignment,Bitu must_be_at);
00026         void                                    initSetRange(Bitu start,Bitu end);
00027         Bitu                                    freeUnusedMinToLoc(Bitu phys);
00028         bool                                    freeMemory(Bitu offset);
00029         Bitu                                    getMinAddress();        
00030         void                                    compactFree();
00031         void                                    sanityCheck();
00032         void                                    logDump();
00033 public:
00034         std::string                             name;
00035         std::vector<Block>                      alist;
00036         Bitu                                    _min,_max;
00037         bool                                    topDownAlloc;
00038 public:
00039         static const Bitu                       alloc_failed = ~((Bitu)0);
00040 };
00041 
00042 #endif /* DOSBOX_REGIONALLOCTRACKING_H */
00043