Source code of Windows XP (NT5)
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41 lines
874 B

/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
xlathlp.h
Abstract:
This module contains helper macros for the api translation
Author:
Dave Hastings (daveh) 24-Nov-1992
Revision History:
--*/
#define DPMI_EXEC_INT(x) SWITCH_TO_DOSX_RMSTACK(); \
DpmiPushRmInt(x); \
host_simulate(); \
SWITCH_FROM_DOSX_RMSTACK();
//
// VOID
// DPMI_FLAT_TO_SEGMENTED(
// PUCHAR buffer,
// PUSHORT seg,
// PUSHORT off
// )
#define DPMI_FLAT_TO_SEGMENTED(buffer, seg, off) { \
*seg = (USHORT)(((ULONG)buffer-IntelBase) >> 4); \
*off = (USHORT)(((ULONG)buffer-IntelBase) & 0xf); \
}
#define SELECTOR_TO_INTEL_LINEAR_ADDRESS(sel) \
(FlatAddress[(sel & ~7) / sizeof(LDT_ENTRY)] - IntelBase)