157 lines
2.6 KiB
C
157 lines
2.6 KiB
C
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/* xms.h - main include file for dem
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*
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* Modification History
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*
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* Sudeepb 31-Mar-1991 Created
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*
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* williamh 25-Sept-1992 Added UMB support
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*/
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/*
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#define WIN
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#define FLAT_32
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#define _WINDOWS
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#include <windows.h>
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*/
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#ifdef DOS
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#define SIGNALS
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#endif
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#ifdef OS2_16
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#define OS2
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#define SIGNALS
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#endif
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#ifdef OS2_32
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#define OS2
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#define FLAT_32
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <malloc.h>
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#include <process.h>
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#ifdef WIN_16
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#define WIN
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#define API16
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#endif
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#ifdef WIN_32
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#define WIN
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#define FLAT_32
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#define TRUE_IF_WIN32 1
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#else
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#define TRUE_IF_WIN32 0
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#endif
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#ifdef FLAT_32
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#ifndef i386
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#define ALIGN_32
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#else
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#define NOALIGN_32
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#endif
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#endif
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#ifdef WIN
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#define _WINDOWS
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#include <windows.h>
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#endif
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#ifdef SIGNALS
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#include <conio.h>
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#include <signal.h>
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#endif
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#ifdef OS2_32
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#include <excpt.h>
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#define XCPT_SIGNAL 0xC0010003
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#endif
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#include <xmsexp.h>
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#include <suballoc.h>
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#define SIZE_PARAGRAPH 16
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#define XMSUMB_THRESHOLD 3 * SIZE_PARAGRAPH
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/** Basic Typedefs of XMS **/
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typedef VOID (*PFNSVC)(VOID);
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typedef struct _ExtMemMove {
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ULONG mm_len; // Move Length
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USHORT mm_hSource; // Source Handle
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ULONG mm_SourceOffset; // Source Offset
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USHORT mm_hDest; // Dest Handle
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ULONG mm_DestOffset; // Dest. offset
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} EXTMEMMOVE, *PEXTMEMMOVE;
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typedef struct _XMSUMB_ {
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WORD Segment;
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WORD Size;
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WORD Owner;
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struct _XMSUMB_ *Next;
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} XMSUMB, *PXMSUMB;
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/** Function Prototypes */
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VOID xmsA20 (VOID);
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VOID xmsAllocBlock (VOID);
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VOID xmsFreeBlock (VOID);
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VOID xmsReallocBlock (VOID);
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VOID xmsMoveBlock (VOID);
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VOID xmsSysPageSize (VOID);
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VOID xmsQueryExtMem (VOID);
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VOID xmsQueryFreeExtMem (VOID);
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ULONG xmsGetMemorySize (BOOL);
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ULONG xmsGetDefaultVDMSize (VOID);
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VOID xmsInitUMB (VOID);
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VOID xmsRequestUMB (VOID);
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VOID xmsReleaseUMB (VOID);
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VOID xmsReleaseUMBNotify (PVOID, ULONG);
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VOID xmsInsertUMB (PVOID, ULONG);
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VOID xmsNotifyHookI15 (VOID);
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VOID xmsDisableA20Wrapping (VOID);
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VOID xmsEnableA20Wrapping (VOID);
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NTSTATUS
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xmsCommitBlock(
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ULONG BaseAddress,
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ULONG Size
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);
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NTSTATUS
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xmsDecommitBlock(
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ULONG BaseAddress,
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ULONG Size
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);
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VOID
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xmsMoveMemory(
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ULONG Source,
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ULONG Destination,
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ULONG Count
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);
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#ifndef i386
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BOOL sas_manage_xms (VOID * start_addr, ULONG cb, INT a_or_f);
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#endif
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/** External Data */
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extern ULONG xmsMemorySize;
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extern BYTE * pHimemA20State;
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