109 lines
4.3 KiB
C
109 lines
4.3 KiB
C
/*-
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* Copyright 2001 by Thomas Moestl <tmm@FreeBSD.org>. All rights reserved.
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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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_FSR_H_
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#define _MACHINE_FSR_H_
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#define FPRS_DL (1 << 0)
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#define FPRS_DU (1 << 1)
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#define FPRS_FEF (1 << 2)
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#define FSR_EXC_BITS 5
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#define FSR_EXC_MASK ((1UL << FSR_EXC_BITS) - 1)
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#define FSR_CEXC_SHIFT 0
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#define FSR_CEXC_MASK (FSR_EXC_MASK << FSR_CEXC_SHIFT)
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#define FSR_CEXC(b) ((unsigned long)(b) << FSR_CEXC_SHIFT)
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#define FSR_GET_CEXC(x) (((x) & FSR_CEXC_MASK) >> FSR_CEXC_SHIFT)
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#define FSR_AEXC_SHIFT 5
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#define FSR_AEXC_MASK (FSR_EXC_MASK << FSR_AEXC_SHIFT)
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#define FSR_AEXC(b) ((unsigned long)(b) << FSR_AEXC_SHIFT)
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#define FSR_GET_AEXC(x) (((x) & FSR_AEXC_MASK) >> FSR_AEXC_SHIFT)
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#define FSR_QNE (1UL << 13)
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#define FSR_NS (1UL << 22)
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#define FSR_TEM_SHIFT 23
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#define FSR_TEM_MASK (FSR_EXC_MASK << FSR_TEM_SHIFT)
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#define FSR_TEM(b) ((unsigned long)(b) << FSR_TEM_SHIFT)
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#define FSR_GET_TEM(x) (((x) & FSR_TEM_MASK) >> FSR_TEM_SHIFT)
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#define FSR_FCC0_SHIFT 10
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#define FSR_FCC0_BITS 2
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#define FSR_FCC0_MASK (((1UL << FSR_FCC0_BITS) - 1) << FSR_FCC0_SHIFT)
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#define FSR_FCC0(x) ((unsigned long)(x) << FSR_FCC0_SHIFT)
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#define FSR_GET_FCC0(x) (((x) & FSR_FCC0_MASK) >> FSR_FCC0_SHIFT)
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#define FSR_FTT_SHIFT 14
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#define FSR_FTT_BITS 3
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#define FSR_FTT_MASK (((1UL << FSR_FTT_BITS) - 1) << FSR_FTT_SHIFT)
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#define FSR_FTT(x) ((unsigned long)(x) << FSR_FTT_SHIFT)
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#define FSR_GET_FTT(x) (((x) & FSR_FTT_MASK) >> FSR_FTT_SHIFT)
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#define FSR_VER_SHIFT 17
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#define FSR_GET_VER(x) (((x) >> FSR_VER_SHIFT) & 7)
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#define FSR_RD_SHIFT 30
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#define FSR_RD_BITS 2
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#define FSR_RD_MASK (((1UL << FSR_RD_BITS) - 1) << FSR_RD_SHIFT)
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#define FSR_RD(x) ((unsigned long)(x) << FSR_RD_SHIFT)
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#define FSR_GET_RD(x) (((x) & FSR_RD_MASK) >> FSR_RD_SHIFT)
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#define FSR_FCC1_SHIFT 32
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#define FSR_FCC1_BITS 2
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#define FSR_FCC1_MASK (((1UL << FSR_FCC1_BITS) - 1) << FSR_FCC1_SHIFT)
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#define FSR_FCC1(x) ((unsigned long)(x) << FSR_FCC1_SHIFT)
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#define FSR_GET_FCC1(x) (((x) & FSR_FCC1_MASK) >> FSR_FCC1_SHIFT)
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#define FSR_FCC2_SHIFT 34
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#define FSR_FCC2_BITS 2
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#define FSR_FCC2_MASK (((1UL << FSR_FCC2_BITS) - 1) << FSR_FCC2_SHIFT)
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#define FSR_FCC2(x) ((unsigned long)(x) << FSR_FCC2_SHIFT)
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#define FSR_GET_FCC2(x) (((x) & FSR_FCC2_MASK) >> FSR_FCC2_SHIFT)
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#define FSR_FCC3_SHIFT 36
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#define FSR_FCC3_BITS 2
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#define FSR_FCC3_MASK (((1UL << FSR_FCC3_BITS) - 1) << FSR_FCC3_SHIFT)
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#define FSR_FCC3(x) ((unsigned long)(x) << FSR_FCC3_SHIFT)
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#define FSR_GET_FCC3(x) (((x) & FSR_FCC3_MASK) >> FSR_FCC3_SHIFT)
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/* CEXC/AEXC/TEM exception values */
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#define FSR_NX (1 << 0)
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#define FSR_DZ (1 << 1)
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#define FSR_UF (1 << 2)
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#define FSR_OF (1 << 3)
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#define FSR_NV (1 << 4)
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/* FTT values. */
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#define FSR_FTT_NONE 0
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#define FSR_FTT_IEEE 1
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#define FSR_FTT_UNFIN 2
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#define FSR_FTT_UNIMP 3
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#define FSR_FTT_SEQERR 4
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#define FSR_FTT_HWERR 5
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#define FSR_FTT_INVREG 6
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/* RD values */
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#define FSR_RD_N 0 /* nearest */
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#define FSR_RD_Z 1 /* zero */
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#define FSR_RD_PINF 2 /* +infinity */
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#define FSR_RD_NINF 3 /* -infinity */
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/* condition codes */
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#define FSR_CC_EQ 0 /* a = b */
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#define FSR_CC_LT 1 /* a < b */
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#define FSR_CC_GT 2 /* a > b */
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#define FSR_CC_UO 3 /* unordered */
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#endif /* !_MACHINE_FSR_H_ */
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