subsystems/mvdm/ntvdm/bios/umamgr.h

   1 /*
   2  * COPYRIGHT:       GPLv2+ - See COPYING in the top level directory
   3  * PROJECT:         ReactOS Virtual DOS Machine
   4  * FILE:            subsystems/mvdm/ntvdm/bios/umamgr.h
   5  * PURPOSE:         Upper Memory Area Manager
   6  * PROGRAMMERS:     Hermes Belusca-Maito (hermes.belusca@sfr.fr)
   7  */
   8
   9 #ifndef _UMAMGR_H_
  10 #define _UMAMGR_H_
  11
  12 /* DEFINITIONS ****************************************************************/
  13
  14 typedef enum
  15 {
  16     UMA_FREE = 0,   // Free RAM block
  17     UMA_SYSTEM,     // System memory (eg. VGA memory, etc...)
  18     UMA_ROM,        // ROM block
  19     UMA_UMB,        // Upper memory block
  20     UMA_VDD         // VDD-reserved block
  21 } UMA_DESC_TYPE;
  22
  23 /* FUNCTIONS ******************************************************************/
  24
  25 BOOLEAN UmaDescReserve(IN OUT PUSHORT UmbSegment, IN OUT PUSHORT Size);
  26 BOOLEAN UmaDescRelease(IN USHORT UmbSegment);
  27 BOOLEAN UmaDescReallocate(IN USHORT UmbSegment, IN OUT PUSHORT Size);
  28
  29 BOOLEAN UmaMgrInitialize(VOID);
  30 VOID UmaMgrCleanup(VOID);
  31
  32 #endif /* _UMAMGR_H_ */