?? dpmi.h
字號(hào):
/*
** This file is DPMI.H
** Copyright (c) Rainer Schnitker 1991-1994
*/
#ifndef _DPMI_H
#define _DPMI_H
#ifndef _DPMI_TYPES
#define _DPMI_TYPES
#ifndef __WINDOWS_H /* always defined in windows.h */
typedef unsigned char BYTE;
typedef unsigned short WORD;
typedef unsigned long DWORD;
typedef unsigned int UINT;
typedef unsigned long ULONG;
#endif
#endif /* _DPMI_TYPES */
#ifdef __GNUC__ /* disable far, near statements for 32bit */
#define far
#define near
#endif
typedef struct {
DWORD off ;
UINT sel ;
} POINTER16_32;
typedef struct {
WORD off ;
WORD sel ;
} POINTER16_16;
typedef struct {
WORD lim_lo,base_lo;
BYTE base_mi,access;
BYTE lim_hi,base_hi;
} DESCRIPTOR ;
typedef DESCRIPTOR near *NPDESCRIPTOR;
typedef DESCRIPTOR far *LPDESCRIPTOR;
typedef struct {
WORD limit,lo,hi ;
} GDTR ;
typedef GDTR far *LPGDTR;
typedef struct {
WORD off_lo;
WORD sel;
BYTE count;
BYTE type;
WORD off_hi;
} GATE;
typedef GATE far *LPGATE;
/* dpmi: GetFreeMemInfo */
typedef struct { DWORD LargestFree;
DWORD MaxUnlockedPages;
DWORD MaxLockedPages;
DWORD AddressSpacePages;
DWORD UnlockedPages;
DWORD UnusedPages;
DWORD PhysicalPages;
DWORD FreeAddressSpacePages;
DWORD PagingFilePages; /* or partition size */
DWORD reserved[3];
} FREEMEMINFO ;
typedef FREEMEMINFO near *NPFREEMEMINFO;
typedef FREEMEMINFO far *LPFREEMEMINFO;
/* dpmi: SimulateRMint,CallRMprocFar,CallRMprocIret */
typedef struct { DWORD edi,esi,ebp,reserved,ebx,edx,ecx,eax ;
WORD flags,es,ds,fs,gs,ip,cs,sp,ss ;
} TRANSLATION ;
typedef TRANSLATION near *NPTRANSLATION ;
typedef TRANSLATION far *LPTRANSLATION ;
typedef struct { WORD di,edi,
si,esi,
bp,ebp,
resl,resh,
bx,ebx,
dx,edx,
cx,ecx,
ax,eax,
flags,es,ds,fs,gs,ip,cs,sp,ss;
} TRANS286 ;
typedef TRANS286 far *LPTRANS286;
/* dpmi: 16bit stack frame for exceptions */
typedef struct {
unsigned int err,flags,ip,
ax,bx,cx,dx,bp,sp,
cs,ds,es,ss,di,si ;
} REG286;
/* dpmi: 32bit stack frame for exceptions */
typedef struct {
unsigned long gs,fs,es,ds,
edi,esi,ebp,esporg,ebx,edx,ecx,eax,
faultno,err,eip,cs,eflags,esp,ss;
} REG386;
/* dpmi: GetDPMIVersion */
typedef struct {
BYTE major,minor ;
WORD flags ;
BYTE cpu,master,slave ;
} DPMIVERSION ;
/* descriptor makros */
#define DESC_BASE(d) (((((DWORD)d.base_hi<<8)|(DWORD)d.base_mi)<<16)|(DWORD)d.base_lo)
#define DESC_LIMIT(d) ((((DWORD)(d.lim_hi&15))<<16)|(DWORD)d.lim_lo)
#define GATE_OFFSET(d) (((((DWORD)d.base_hi<<8)|(DWORD)d.lim_hi)<<16)|(DWORD)d.lim_lo)
/* descriptor fields */
#define ACCESS_BIT 1
#define READ_BIT 2
#define WRITE_BIT 2
#define CONFIRMING_BIT 4
#define EXPAND_BIT 4
#define CODE_BIT 8
#define SEGMENT_BIT 16
#define PRESENT_BIT 128
#define AVL_BIT 16
#define DEFAULT_BIT 64
#define BIG_BIT 64
#define GRANULAR_BIT 128
#define DPL_MASK 96
#define TYPE_MASK 15
#define LIMIT_HI_MASK 15
#define APP_CODE_SEL 250 /* dpl=3 , read */
#define APP_DATA_SEL 242 /* dpl=3 ,write */
#define TYPE_CODE 10
#define TYPE_CONFIRM_CODE 14
#define TYPE_DATA 2
#define TYPE_EXPAND_DATA 6
#define TYPE_286TSS 1
#define TYPE_LDT 2
#define TYPE_BUSY286TSS 3
#define TYPE_286CALLGATE 4
#define TYPE_TASKGATE 5
#define TYPE_286INTGATE 6
#define TYPE_286TRAPGATE 7
#define TYPE_386TSS 9
#define TYPE_BUSY386TSS 11
#define TYPE_386CALLGATE 12
#define TYPE_386INTGATE 14
#define TYPE_386TRAPGATE 15
/* breakpoints-types */
#define BREAK_CODE 0x0001
#define BREAK_DATA_W1 0x0101
#define BREAK_DATA_RW1 0x0201
#define BREAK_DATA_W2 0x0102
#define BREAK_DATA_RW2 0x0202
#define BREAK_DATA_W4 0x0104
#define BREAK_DATA_RW4 0x0204
/* memory strategy for extmalloc */
#define NOLIMIT 0
#define XMSLIMIT 1 /* only alloc memory <= mxslimit */
#define LOCKMEM 2 /* locked memory */
/* INTERFACE for DPMI SPECIFICATION 0.9 */
/* LDT Descriptor management services DPMI 0.9 */
int AllocLDT (UINT, UINT *);
int FreeLDT (UINT);
int SegToSel (UINT, UINT *);
UINT SelInc (void);
int LockSel (UINT);
int UnlockSel (UINT);
int GetBaseAddress (UINT, DWORD *);
int SetBaseAddress (UINT, DWORD);
int SetLimit (UINT, DWORD);
int SetAccess ( UINT, BYTE, BYTE);
int CreatAlias (UINT, UINT *);
int GetDescriptor (UINT, NPDESCRIPTOR);
int SetDescriptor (UINT, NPDESCRIPTOR);
int AllocSpecialLDT (UINT);
/* DOS Memory Services DPMI 0.9 */
int AllocDosMem (UINT, UINT *, UINT *);
int FreeDosMem (UINT);
int ResizeDosMem (UINT, UINT, UINT *);
/* Interrupt Services DPMI 0.9 */
int GetRealModeVector (BYTE, UINT *, UINT *);
int SetRealModeVector (BYTE, UINT, UINT);
int GetExceptionVector (BYTE, UINT *, UINT *);
int SetExceptionVector (BYTE, UINT, UINT);
int GetProtModeVector (BYTE, UINT *, UINT *);
int SetProtModeVector (BYTE, UINT, UINT);
/* 32 bit extentions */
int GetExceptionVector32 (BYTE, UINT *, DWORD *);
int SetExceptionVector32 (BYTE, UINT, DWORD);
int GetProtModeVector32 (BYTE, UINT *, DWORD *);
int SetProtModeVector32 (BYTE, UINT, DWORD);
/* Translation services DPMI 0.9 */
int SimulateRMint (BYTE, BYTE, UINT, NPTRANSLATION, ...);
int CallRMprocFar (BYTE, UINT, NPTRANSLATION, ...);
int CallRMprocIret (BYTE, UINT, NPTRANSLATION, ...);
int AllocRMcallAddress (UINT, UINT, NPTRANSLATION, UINT *, UINT *);
int FreeRMcallAddress (UINT, UINT);
int GetStateSaveAddress (UINT *, POINTER16_16 *, POINTER16_16 *);
int SaveState (UINT *, POINTER16_16);
int RestoreState (UINT *, POINTER16_16);
/* Get Version DPMI 0.9 */
void GetDPMIVersion (DPMIVERSION *);
/* Memory managment services DPMI 0.9 */
int GetFreeMemInfo (NPFREEMEMINFO);
int AllocMem (DWORD, DWORD *, DWORD *);
int FreeMem (DWORD);
int ResizeMem (DWORD, DWORD, DWORD *, DWORD *);
int GetFreeMemInfo32 (NPFREEMEMINFO);
/* Page locking services DPMI 0.9 */
int LockLinRegion(DWORD, DWORD);
int UnlockLinRegion(DWORD, DWORD);
int MarkRealModePageable(DWORD, DWORD);
int RelockRealModeRegion(DWORD, DWORD);
int GetPageSize(DWORD *);
/* Damand page performance tuning services */
int MarkPageDemand(DWORD, DWORD);
int DiscardPage(DWORD, DWORD);
/* Physical Address Mapping DPMI 0.9 */
int PhysicalMap(DWORD, DWORD, DWORD *);
/* Virtuel interrupt state functions DPMI 0.9 */
BYTE DisableVirtuelInterruptState (void);
BYTE EnableVirtuelInterruptState (void);
BYTE GetVirtuelInterruptState (void);
/* Get Vendor Specific Api Entry Point */
int GetVendorEntry (BYTE *, UINT *, UINT *);
/* Debug Register support DPMI 0.9 */
int SetDebugWatchpoint (DWORD, WORD, WORD *);
int ClearDebugWatchpoint (WORD);
int GetStateDebugWatchpoint (WORD, WORD *);
int ResetDebugWatchpoint (WORD);
/* UTILITIES for DPMI SPECIFICATION 0.9 */
UINT GetCS (void);
UINT GetDS (void);
UINT GetES (void);
void dos_exit(WORD);
int DpmiEnableFpu(WORD);
int DpmiDisableFpu(void);
int GetDpmiEntryPoint(DWORD *entry,WORD *para,WORD *flags,WORD *v,BYTE *cpu);
int GetDpmiHostParagraph(WORD paragr);
int DpmiEnterProtectedMode(DWORD entry,WORD mode,WORD hostsegm);
/* switching between real and protected mode */
int real_to_protected(WORD);
void protected_to_real(WORD);
/* c-functions using DPMI */
int FreeManyLDT(WORD,WORD);
void PrintFreeMemInfo(NPFREEMEMINFO);
void PrintDescriptor(LPDESCRIPTOR);
void far * IncFP(void far *);
void far * DecFP(void far *);
/* high level c-functions for DPMI */
void farcopy(void far *, void far *,DWORD);
int extmovedata(void far *,void far *,DWORD);
void far *extmalloc(DWORD);
void extfree(void far *);
void set_memory_type(WORD);
/* others */
int IsWindowsEnhanced(void);
int IsPM(void);
void yield(void);
/* INTERFACE FOR PROTECTED MODE 16/32 BIT */
DWORD lsl32(UINT);
WORD lsl16(UINT);
DWORD lar32(UINT);
WORD lar16(UINT);
WORD verr16(UINT);
WORD verw16(UINT);
void sgdt16(LPGDTR);
void sidt16(LPGDTR);
WORD sldt16(void);
WORD str16(void);
#ifdef __WATCOMC__
#include "externa.h"
#endif
#endif /* _DPMI_H */
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