12d367905a2e1b950f79b408141eea07c222b590bCalin Juravle/*- 22d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> 32d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * All rights reserved. 42d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * 52d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * Redistribution and use in source and binary forms, with or without 62d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * modification, are permitted provided that the following conditions 72d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * are met: 82d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * 1. Redistributions of source code must retain the above copyright 92d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * notice, this list of conditions and the following disclaimer. 102d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * 2. Redistributions in binary form must reproduce the above copyright 112d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * notice, this list of conditions and the following disclaimer in the 122d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * documentation and/or other materials provided with the distribution. 132d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * 142d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 152d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 162d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 172d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 182d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 192d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 202d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 212d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 222d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 232d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 242d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * SUCH DAMAGE. 252d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * 262d367905a2e1b950f79b408141eea07c222b590bCalin Juravle * $FreeBSD: src/lib/msun/arm/fenv.h,v 1.5 2005/03/16 19:03:45 das Exp $ 272d367905a2e1b950f79b408141eea07c222b590bCalin Juravle */ 282d367905a2e1b950f79b408141eea07c222b590bCalin Juravle 29d4ca231ae2891e5c9eccb6e9a2e6af7fabcfc2a5Elliott Hughes#ifndef _BITS_FENV_ARM_H_ 30d4ca231ae2891e5c9eccb6e9a2e6af7fabcfc2a5Elliott Hughes#define _BITS_FENV_ARM_H_ 312d367905a2e1b950f79b408141eea07c222b590bCalin Juravle 322d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#include <sys/types.h> 332d367905a2e1b950f79b408141eea07c222b590bCalin Juravle 342d367905a2e1b950f79b408141eea07c222b590bCalin Juravle__BEGIN_DECLS 352d367905a2e1b950f79b408141eea07c222b590bCalin Juravle 36b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes/* 37b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes * The ARM Cortex-A75 registers are described here: 38b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes * 39b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes * AArch64: 40b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes * FPCR: http://infocenter.arm.com/help/topic/com.arm.doc.100403_0200_00_en/lau1442502503726.html 41b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes * FPSR: http://infocenter.arm.com/help/topic/com.arm.doc.100403_0200_00_en/lau1442502526288.html 42b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes * AArch32: 43b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes * FPSCR: http://infocenter.arm.com/help/topic/com.arm.doc.100403_0200_00_en/lau1442504290459.html 44b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes */ 45b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes 46b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes#if defined(__LP64__) 47b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughestypedef struct { 48b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes /* FPCR, Floating-point Control Register. */ 49b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes __uint32_t __control; 50b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes /* FPSR, Floating-point Status Register. */ 51b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes __uint32_t __status; 52b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes} fenv_t; 53b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes 54b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes#else 552d367905a2e1b950f79b408141eea07c222b590bCalin Juravletypedef __uint32_t fenv_t; 56b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes#endif 57b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes 582d367905a2e1b950f79b408141eea07c222b590bCalin Juravletypedef __uint32_t fexcept_t; 592d367905a2e1b950f79b408141eea07c222b590bCalin Juravle 602d367905a2e1b950f79b408141eea07c222b590bCalin Juravle/* Exception flags. */ 612d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#define FE_INVALID 0x01 622d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#define FE_DIVBYZERO 0x02 632d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#define FE_OVERFLOW 0x04 642d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#define FE_UNDERFLOW 0x08 652d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#define FE_INEXACT 0x10 66b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes#define FE_DENORMAL 0x80 67b6c7f6e5950e609a2ede7990d2be0a1d1b55304fElliott Hughes#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW | FE_DENORMAL) 682d367905a2e1b950f79b408141eea07c222b590bCalin Juravle 692d367905a2e1b950f79b408141eea07c222b590bCalin Juravle/* Rounding modes. */ 702d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#define FE_TONEAREST 0x0 712d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#define FE_UPWARD 0x1 722d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#define FE_DOWNWARD 0x2 732d367905a2e1b950f79b408141eea07c222b590bCalin Juravle#define FE_TOWARDZERO 0x3 742d367905a2e1b950f79b408141eea07c222b590bCalin Juravle 752d367905a2e1b950f79b408141eea07c222b590bCalin Juravle__END_DECLS 762d367905a2e1b950f79b408141eea07c222b590bCalin Juravle 77d4ca231ae2891e5c9eccb6e9a2e6af7fabcfc2a5Elliott Hughes#endif 78