tjh.dev
Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4 * All rights reserved.
5 *
6 * File: tmacro.h
7 *
8 * Purpose: define basic common types and macros
9 *
10 * Author: Tevin Chen
11 *
12 * Date: May 21, 1996
13 *
14 */
15
16#ifndef __TMACRO_H__
17#define __TMACRO_H__
18
19/****** Common helper macros ***********************************************/
20
21#if !defined(LOBYTE)
22#define LOBYTE(w) ((unsigned char)(w))
23#endif
24#if !defined(HIBYTE)
25#define HIBYTE(w) ((unsigned char)(((unsigned short)(w) >> 8) & 0xFF))
26#endif
27
28#if !defined(LOWORD)
29#define LOWORD(d) ((unsigned short)(d))
30#endif
31#if !defined(HIWORD)
32#define HIWORD(d) ((unsigned short)((((unsigned long)(d)) >> 16) & 0xFFFF))
33#endif
34
35#define LODWORD(q) ((q).u.dwLowDword)
36#define HIDWORD(q) ((q).u.dwHighDword)
37
38#if !defined(MAKEWORD)
39#define MAKEWORD(lb, hb) ((unsigned short)(((unsigned char)(lb)) | (((unsigned short)((unsigned char)(hb))) << 8)))
40#endif
41#if !defined(MAKEDWORD)
42#define MAKEDWORD(lw, hw) ((unsigned long)(((unsigned short)(lw)) | (((unsigned long)((unsigned short)(hw))) << 16)))
43#endif
44
45#endif /* __TMACRO_H__ */