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Annotation of sys/arch/sh/include/fpu.h, Revision 1.1

1.1     ! nbrk        1: #ifndef _SH_FPU_H_
        !             2: /*     $OpenBSD: fpu.h,v 1.1 2006/11/05 18:57:20 miod Exp $    */
        !             3: /*
        !             4:  * Copyright (c) 2006, Miodrag Vallat
        !             5:  *
        !             6:  * Redistribution and use in source and binary forms, with or without
        !             7:  * modification, are permitted provided that the following conditions
        !             8:  * are met:
        !             9:  * 1. Redistributions of source code must retain the above copyright
        !            10:  *    notice, this list of conditions and the following disclaimer.
        !            11:  * 2. Redistributions in binary form must reproduce the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer in the
        !            13:  *    documentation and/or other materials provided with the distribution.
        !            14:  *
        !            15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            18:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            19:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            20:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            21:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            23:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            24:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            25:  * POSSIBILITY OF SUCH DAMAGE.
        !            26:  */
        !            27:
        !            28: #define        _SH_FPU_H_
        !            29:
        !            30: /*
        !            31:  * SH4{,a} FPU definitions
        !            32:  */
        !            33:
        !            34: /* FPSCR bits */
        !            35:
        !            36: #define        FPSCR_RB                0x00200000      /* register bank */
        !            37: #define        FPSCR_SZ                0x00100000      /* transfer size mode */
        !            38: #define        FPSCR_PR                0x00080000      /* precision mode */
        !            39: #define        FPSCR_DN                0x00040000      /* denormalization mode */
        !            40: #define        FPSCR_CAUSE_MASK        0x0003f000      /* exception cause mask */
        !            41: #define        FPSCR_CAUSE_SHIFT       12
        !            42: #define        FPSCR_ENABLE_MASK       0x00000f80      /* exception enable mask */
        !            43: #define        FPSCR_ENABLE_SHIFT      7
        !            44: #define        FPSCR_FLAG_MASK         0x0000007c      /* exception sticky mask */
        !            45: #define        FPSCR_FLAG_SHIFT        2
        !            46: #define        FPSCR_ROUNDING_MASK     0x00000003      /* rounding mask */
        !            47:
        !            48: /* FPSCR exception bits */
        !            49:
        !            50: #define        FPEXC_E                 0x20    /* FPU Error */
        !            51: #define        FPEXC_V                 0x10    /* invalid operation */
        !            52: #define        FPEXC_Z                 0x08    /* divide by zero */
        !            53: #define        FPEXC_O                 0x04    /* overflow */
        !            54: #define        FPEXC_U                 0x02    /* underflow */
        !            55: #define        FPEXC_I                 0x01    /* inexact */
        !            56:
        !            57: #endif /* _SH_FPU_H_ */