Wed Sep 2 03:43:22 2020 UTC ()
Update to the SoftFloat-2c version of milieu.h.  This includes a
simplification of the license and updates the comments.  NFC.


(thorpej)
diff -r1.4 -r1.5 src/sys/lib/libkern/milieu.h
cvs diff -r1.4 -r1.5 src/sys/lib/libkern/milieu.h (expand / switch to unified diff)

--- src/sys/lib/libkern/milieu.h 2018/04/19 21:50:09 1.4
+++ src/sys/lib/libkern/milieu.h 2020/09/02 03:43:22 1.5
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1/* $NetBSD: milieu.h,v 1.4 2018/04/19 21:50:09 christos Exp $ */ 1/* $NetBSD: milieu.h,v 1.5 2020/09/02 03:43:22 thorpej Exp $ */
2 2
3/* This is a derivative work. */ 3/* This is a derivative work. */
4 4
5/*- 5/*-
6 * Copyright (c) 2001 The NetBSD Foundation, Inc. 6 * Copyright (c) 2001 The NetBSD Foundation, Inc.
7 * All rights reserved. 7 * All rights reserved.
8 * 8 *
9 * This code is derived from software contributed to The NetBSD Foundation 9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Ross Harvey. 10 * by Ross Harvey.
11 * 11 *
12 * Redistribution and use in source and binary forms, with or without 12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions 13 * modification, are permitted provided that the following conditions
14 * are met: 14 * are met:
@@ -21,127 +21,120 @@ @@ -21,127 +21,120 @@
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 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 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 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 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 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 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 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE. 31 * POSSIBILITY OF SUCH DAMAGE.
32 */ 32 */
33 33
34/* 34/*============================================================================
35=============================================================================== 
36 35
37This C header file is part of TestFloat, Release 2a, a package of programs 36This C header file template is part of the Berkeley SoftFloat IEEE Floating-
38for testing the correctness of floating-point arithmetic complying to the 37Point Arithmetic Package, Release 2c, by John R. Hauser.
39IEC/IEEE Standard for Floating-Point. 
40 
41Written by John R. Hauser. More information is available through the Web 
42page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'. 
43 
44THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort 
45has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT 
46TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO 
47PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY 
48AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE. 
49 
50Derivative works are acceptable, even for commercial purposes, so long as 
51(1) they include prominent notice that the work is derivative, and (2) they 
52include prominent notice akin to these four paragraphs for those parts of 
53this code that are retained. 
54 38
55=============================================================================== 39THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort has
56*/ 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 57
58#ifndef MILIEU_H 58#ifndef MILIEU_H
59#define MILIEU_H 59#define MILIEU_H
60 60
61#if !defined(_KERNEL) && !defined(_STANDALONE) 61#if !defined(_KERNEL) && !defined(_STANDALONE)
62#include <inttypes.h> 62#include <inttypes.h>
63#else 63#else
64#include <sys/inttypes.h> 64#include <sys/inttypes.h>
65#endif 65#endif
66 66
67#include <sys/endian.h> 67#include <sys/endian.h>
68 68
69/* 69/*----------------------------------------------------------------------------
70------------------------------------------------------------------------------- 70| One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
71One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 71*----------------------------------------------------------------------------*/
72------------------------------------------------------------------------------- 
73*/ 
74 
75#if _BYTE_ORDER == _LITTLE_ENDIAN 72#if _BYTE_ORDER == _LITTLE_ENDIAN
76#define LITTLEENDIAN 73#define LITTLEENDIAN
77#else 74#else
78#define BIGENDIAN 75#define BIGENDIAN
79#endif 76#endif
80 77
 78/*----------------------------------------------------------------------------
 79| The macro `BITS64' can be defined to indicate that 64-bit integer types are
 80| supported by the compiler.
 81*----------------------------------------------------------------------------*/
81#define BITS64 82#define BITS64
82 83
83/* 84/*----------------------------------------------------------------------------
84------------------------------------------------------------------------------- 85| Each of the following `typedef's defines the most convenient type that holds
85Each 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
86integers 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
87be 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
888 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
89implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 90| to the same as `int'.
90to the same as `int'. 91*----------------------------------------------------------------------------*/
91------------------------------------------------------------------------------- 
92*/ 
93typedef int flag; 92typedef int flag;
94typedef unsigned int uint8; 93typedef unsigned int uint8;
95typedef signed int int8; 94typedef signed int int8;
96typedef unsigned int uint16; 95typedef unsigned int uint16;
97typedef int int16; 96typedef int int16;
98typedef unsigned int uint32; 97typedef unsigned int uint32;
99typedef signed int int32; 98typedef signed int int32;
100#ifdef BITS64 99#ifdef BITS64
101typedef uint64_t uint64; 100typedef uint64_t uint64;
102typedef int64_t int64; 101typedef int64_t int64;
103#endif 102#endif
104 103
105/* 104/*----------------------------------------------------------------------------
106------------------------------------------------------------------------------- 105| Each of the following `typedef's defines a type that holds integers
107Each of the following `typedef's defines a type that holds integers 106| of _exactly_ the number of bits specified. For instance, for most
108of _exactly_ the number of bits specified. For instance, for most 107| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
109implementation of C, `bits16' and `sbits16' should be `typedef'ed to 108| `unsigned short int' and `signed short int' (or `short int'), respectively.
110`unsigned short int' and `signed short int' (or `short int'), respectively. 109*----------------------------------------------------------------------------*/
111------------------------------------------------------------------------------- 
112*/ 
113typedef uint8_t bits8; 110typedef uint8_t bits8;
114typedef int8_t sbits8; 111typedef int8_t sbits8;
115typedef uint16_t bits16; 112typedef uint16_t bits16;
116typedef int16_t sbits16; 113typedef int16_t sbits16;
117typedef uint32_t bits32; 114typedef uint32_t bits32;
118typedef int32_t sbits32; 115typedef int32_t sbits32;
119#ifdef BITS64 116#ifdef BITS64
120typedef uint64_t bits64; 117typedef uint64_t bits64;
121typedef int64_t sbits64; 118typedef int64_t sbits64;
122#endif 119#endif
123 120
124#ifdef BITS64 121#ifdef BITS64
125/* 122/*----------------------------------------------------------------------------
126------------------------------------------------------------------------------- 123| The `LIT64' macro takes as its argument a textual integer literal and
127The `LIT64' macro takes as its argument a textual integer literal and 124| if necessary ``marks'' the literal as having a 64-bit integer type.
128if 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
129For 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
130appended 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
131name for the 64-bit integer type. Some compilers may allow `LIT64' to be 128| defined as the identity macro: `#define LIT64( a ) a'.
132defined as the identity macro: `#define LIT64( a ) a'. 129*----------------------------------------------------------------------------*/
133------------------------------------------------------------------------------- 
134*/ 
135#define LIT64( a ) a##LL 130#define LIT64( a ) a##LL
136#endif 131#endif
137 132
138/* 133/*----------------------------------------------------------------------------
139------------------------------------------------------------------------------- 134| The macro `INLINE' can be used before functions that should be inlined. If
140The 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
141a compiler does not support explicit inlining, this macro should be defined 136| to be `static'.
142to be `static'. 137*----------------------------------------------------------------------------*/
143------------------------------------------------------------------------------- 
144*/ 
145#define INLINE static __inline 138#define INLINE static __inline
146 139
147#endif 140#endif /* MILIEU_H */