112 lines
1.3 KiB
C
112 lines
1.3 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1992 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
dpmimscr.c
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
This module contains misc dpmi functions for risc.
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Dave Hart (davehart) creation-date 11-Apr-1993
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#include "precomp.h"
|
||
|
|
#pragma hdrstop
|
||
|
|
#include "softpc.h"
|
||
|
|
|
||
|
|
VOID
|
||
|
|
DpmiGetFastBopEntry(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine is the front end for the routine that gets the address. It
|
||
|
|
is necessary to get the address in asm, because the CS value is not
|
||
|
|
available in c
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
#ifdef _X86_
|
||
|
|
GetFastBopEntryAddress(&((PVDM_TIB)NtCurrentTeb()->Vdm)->VdmContext);
|
||
|
|
#else
|
||
|
|
//
|
||
|
|
// krnl286 does a DPMIBOP GetFastBopAddress even on
|
||
|
|
// risc, so just fail the call since fast-bopping
|
||
|
|
// will only ever work on x86.
|
||
|
|
//
|
||
|
|
|
||
|
|
setBX(0);
|
||
|
|
setDX(0);
|
||
|
|
setES(0);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
DpmiDpmiInUse(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine currently does nothing.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
DpmiDpmiNoLongerInUse(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine notifies the CPU that the NT dpmi server is no longer in use.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
|
||
|
|
DpmiFreeAllXmem();
|
||
|
|
|
||
|
|
}
|