86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
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/*++ BUILD Version: 0001
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*
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* WOW v1.0
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*
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* Copyright (c) 1991, Microsoft Corporation
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*
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* ISVWOW.H
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* WOW32 ISV Support. Public Functions and Macros for Multi-Media extensions
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* to the WOW thunking mechanism.
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*
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* History:
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* Created 18-Feb-1992 by Stephen Estrop (StephenE)
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--*/
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/*
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** Public functions that allow for extensions to the WOW thunking
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** system. These two functions enable extension thunk dlls such as
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** Multi-Media video recording to callback into 16 bit code to simulate
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** a hardware interrupt callback and to use the same handle mapping that
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** WOW uses.
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*/
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LPVOID
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WOW32ResolveMemory(
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VPVOID vp
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);
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BOOL APIENTRY
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WOW32DriverCallback(
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DWORD dwCallback,
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DWORD dwFlags,
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WORD wID,
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WORD wMsg,
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DWORD dwUser,
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DWORD dw1,
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DWORD dw2
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);
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BOOL APIENTRY
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WOW32ResolveHandle(
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UINT uHandleType,
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UINT uMappingDirection,
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WORD wHandle16_In,
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LPWORD lpwHandle16_Out,
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DWORD dwHandle32_In,
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LPDWORD lpdwHandle32_Out
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);
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/*
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** Constants for use with WOW32ResolveHandle
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*/
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#define WOW32_DIR_16IN_32OUT 0x0001
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#define WOW32_DIR_32IN_16OUT 0x0002
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#define WOW32_USER_HANDLE 0x0001 // Generic user handle
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#define WOW32_GDI_HANDLE 0x0002 // Generic gdi handle
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// Kernel handles are not mapped
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#define WOW32_WAVEIN_HANDLE 0x0003
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#define WOW32_WAVEOUT_HANDLE 0x0004
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#define WOW32_MIDIOUT_HANDLE 0x0005
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#define WOW32_MIDIIN_HANDLE 0x0006
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/*
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** These MultiMedia messages expect dwParam1 to be a generic pointer and
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** dwParam2 to be a generic DWORD. auxOutMessage, waveInMessage,
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** waveOutMessage, midiInMessage and midiOutMessage all respect this
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** convention and are thunked accordingly on WOW.
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*/
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#define DRV_BUFFER_LOW (DRV_USER - 0x1000) // 0x3000
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#define DRV_BUFFER_USER (DRV_USER - 0x0800) // 0x3800
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#define DRV_BUFFER_HIGH (DRV_USER - 0x0001) // 0x3FFF
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/*
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** The flags are extensions to those normally used with GetWindowFlags,
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** they allow 16 bit applications to detect if they are running on NT
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** and if the Intel cpu is being emulated.
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*/
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#define WF1_WINNT 0x40 // You are running on NT WOW
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#define WF1_CPUEM 0x01 // NT WOW on MIPS or Alpha
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