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_ */ 33