[mvdm] Fix missing pointer dereference
[reactos.git] / 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_ */