1/* $NetBSD: milieu.h,v 1.5 2020/09/02 03:43:22 thorpej Exp $ */
2
3/* This is a derivative work. */
4
5/*-
6 * Copyright (c) 2001 The NetBSD Foundation, Inc.
7 * All rights reserved.
8 *
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Ross Harvey.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/*============================================================================
35
36This C header file template is part of the Berkeley SoftFloat IEEE Floating-
37Point Arithmetic Package, Release 2c, by John R. Hauser.
38
39THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort has
40been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
41RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
42AND ORGANIZATIONS WHO CAN AND WILL TOLERATE ALL LOSSES, COSTS, OR OTHER
43PROBLEMS THEY INCUR DUE TO THE SOFTWARE WITHOUT RECOMPENSE FROM JOHN HAUSER OR
44THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE, AND WHO FURTHERMORE EFFECTIVELY
45INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE
46(possibly via similar legal notice) AGAINST ALL LOSSES, COSTS, OR OTHER
47PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE, OR
48INCURRED BY ANYONE DUE TO A DERIVATIVE WORK THEY CREATE USING ANY PART OF THE
49SOFTWARE.
50
51Derivative works require also that (1) the source code for the derivative work
52includes prominent notice that the work is derivative, and (2) the source code
53includes prominent notice of these three paragraphs for those parts of this
54code that are retained.
55
56=============================================================================*/
57
58#ifndef MILIEU_H
59#define MILIEU_H
60
61#if !defined(_KERNEL) && !defined(_STANDALONE)
62#include <inttypes.h>
63#else
64#include <sys/inttypes.h>
65#endif
66
67#include <sys/endian.h>
68
69/*----------------------------------------------------------------------------
70| One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
71*----------------------------------------------------------------------------*/
72#if _BYTE_ORDER == _LITTLE_ENDIAN
73#define LITTLEENDIAN
74#else
75#define BIGENDIAN
76#endif
77
78/*----------------------------------------------------------------------------
79| The macro `BITS64' can be defined to indicate that 64-bit integer types are
80| supported by the compiler.
81*----------------------------------------------------------------------------*/
82#define BITS64
83
84/*----------------------------------------------------------------------------
85| Each of the following `typedef's defines the most convenient type that holds
86| integers of at least as many bits as specified.  For example, `uint8' should
87| be the most convenient type that can hold unsigned integers of as many as
88| 8 bits.  The `flag' type must be able to hold either a 0 or 1.  For most
89| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
90| to the same as `int'.
91*----------------------------------------------------------------------------*/
92typedef int flag;
93typedef unsigned int uint8;
94typedef signed int int8;
95typedef unsigned int uint16;
96typedef int int16;
97typedef unsigned int uint32;
98typedef signed int int32;
99#ifdef BITS64
100typedef uint64_t uint64;
101typedef int64_t int64;
102#endif
103
104/*----------------------------------------------------------------------------
105| Each of the following `typedef's defines a type that holds integers
106| of _exactly_ the number of bits specified.  For instance, for most
107| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
108| `unsigned short int' and `signed short int' (or `short int'), respectively.
109*----------------------------------------------------------------------------*/
110typedef uint8_t bits8;
111typedef int8_t sbits8;
112typedef uint16_t bits16;
113typedef int16_t sbits16;
114typedef uint32_t bits32;
115typedef int32_t sbits32;
116#ifdef BITS64
117typedef uint64_t bits64;
118typedef int64_t sbits64;
119#endif
120
121#ifdef BITS64
122/*----------------------------------------------------------------------------
123| The `LIT64' macro takes as its argument a textual integer literal and
124| if necessary ``marks'' the literal as having a 64-bit integer type.
125| For example, the GNU C Compiler (`gcc') requires that 64-bit literals be
126| appended with the letters `LL' standing for `long long', which is `gcc's
127| name for the 64-bit integer type.  Some compilers may allow `LIT64' to be
128| defined as the identity macro:  `#define LIT64( a ) a'.
129*----------------------------------------------------------------------------*/
130#define LIT64( a ) a##LL
131#endif
132
133/*----------------------------------------------------------------------------
134| The macro `INLINE' can be used before functions that should be inlined.  If
135| a compiler does not support explicit inlining, this macro should be defined
136| to be `static'.
137*----------------------------------------------------------------------------*/
138#define INLINE static __inline
139
140#endif /* MILIEU_H */
141