141 lines
6.0 KiB
C
141 lines
6.0 KiB
C
/* $NetBSD: milieu.h,v 1.5 2020/09/02 03:43:22 thorpej Exp $ */
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/* This is a derivative work. */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Ross Harvey.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*============================================================================
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This C header file template is part of the Berkeley SoftFloat IEEE Floating-
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Point Arithmetic Package, Release 2c, by John R. Hauser.
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THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort has
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been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
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RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
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AND ORGANIZATIONS WHO CAN AND WILL TOLERATE ALL LOSSES, COSTS, OR OTHER
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PROBLEMS THEY INCUR DUE TO THE SOFTWARE WITHOUT RECOMPENSE FROM JOHN HAUSER OR
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THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE, AND WHO FURTHERMORE EFFECTIVELY
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INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE
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(possibly via similar legal notice) AGAINST ALL LOSSES, COSTS, OR OTHER
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PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE, OR
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INCURRED BY ANYONE DUE TO A DERIVATIVE WORK THEY CREATE USING ANY PART OF THE
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SOFTWARE.
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Derivative works require also that (1) the source code for the derivative work
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includes prominent notice that the work is derivative, and (2) the source code
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includes prominent notice of these three paragraphs for those parts of this
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code that are retained.
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=============================================================================*/
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#ifndef MILIEU_H
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#define MILIEU_H
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#if !defined(_KERNEL) && !defined(_STANDALONE)
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#include <inttypes.h>
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#else
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#include <sys/inttypes.h>
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#endif
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#include <sys/endian.h>
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/*----------------------------------------------------------------------------
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| One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
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*----------------------------------------------------------------------------*/
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#if _BYTE_ORDER == _LITTLE_ENDIAN
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#define LITTLEENDIAN
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#else
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#define BIGENDIAN
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#endif
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/*----------------------------------------------------------------------------
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| The macro `BITS64' can be defined to indicate that 64-bit integer types are
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| supported by the compiler.
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*----------------------------------------------------------------------------*/
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#define BITS64
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/*----------------------------------------------------------------------------
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| Each of the following `typedef's defines the most convenient type that holds
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| integers of at least as many bits as specified. For example, `uint8' should
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| be the most convenient type that can hold unsigned integers of as many as
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| 8 bits. The `flag' type must be able to hold either a 0 or 1. For most
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| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
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| to the same as `int'.
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*----------------------------------------------------------------------------*/
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typedef int flag;
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typedef unsigned int uint8;
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typedef signed int int8;
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typedef unsigned int uint16;
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typedef int int16;
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typedef unsigned int uint32;
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typedef signed int int32;
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#ifdef BITS64
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typedef uint64_t uint64;
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typedef int64_t int64;
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#endif
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/*----------------------------------------------------------------------------
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| Each of the following `typedef's defines a type that holds integers
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| of _exactly_ the number of bits specified. For instance, for most
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| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
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| `unsigned short int' and `signed short int' (or `short int'), respectively.
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*----------------------------------------------------------------------------*/
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typedef uint8_t bits8;
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typedef int8_t sbits8;
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typedef uint16_t bits16;
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typedef int16_t sbits16;
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typedef uint32_t bits32;
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typedef int32_t sbits32;
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#ifdef BITS64
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typedef uint64_t bits64;
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typedef int64_t sbits64;
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#endif
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#ifdef BITS64
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/*----------------------------------------------------------------------------
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| The `LIT64' macro takes as its argument a textual integer literal and
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| if necessary ``marks'' the literal as having a 64-bit integer type.
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| For example, the GNU C Compiler (`gcc') requires that 64-bit literals be
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| appended with the letters `LL' standing for `long long', which is `gcc's
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| name for the 64-bit integer type. Some compilers may allow `LIT64' to be
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| defined as the identity macro: `#define LIT64( a ) a'.
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*----------------------------------------------------------------------------*/
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#define LIT64( a ) a##LL
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#endif
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/*----------------------------------------------------------------------------
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| The macro `INLINE' can be used before functions that should be inlined. If
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| a compiler does not support explicit inlining, this macro should be defined
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| to be `static'.
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*----------------------------------------------------------------------------*/
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#define INLINE static __inline
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#endif /* MILIEU_H */
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