tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1/*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * File: tmacro.h
20 *
21 * Purpose: define basic common types and macros
22 *
23 * Author: Tevin Chen
24 *
25 * Date: May 21, 1996
26 *
27 */
28
29#ifndef __TMACRO_H__
30#define __TMACRO_H__
31
32/****** Common helper macros ***********************************************/
33
34#if !defined(LOBYTE)
35#define LOBYTE(w) ((u8)(w))
36#endif
37#if !defined(HIBYTE)
38#define HIBYTE(w) ((u8)(((u16)(w) >> 8) & 0xFF))
39#endif
40
41#if !defined(LOWORD)
42#define LOWORD(d) ((u16)(d))
43#endif
44#if !defined(HIWORD)
45#define HIWORD(d) ((u16)((((u32)(d)) >> 16) & 0xFFFF))
46#endif
47
48#if !defined(MAKEWORD)
49#define MAKEWORD(lb, hb) ((u16)(((u8)(lb)) | (((u16)((u8)(hb))) << 8)))
50#endif
51
52#endif /* __TMACRO_H__ */