mirror of https://gitee.com/openkylin/linux.git
33 lines
809 B
C
33 lines
809 B
C
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/*
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* linux/arch/sh/kernel/cpu/sh4/sh4_fpu.h
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*
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* Copyright (C) 2006 STMicroelectronics Limited
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* Author: Carl Shaw <carl.shaw@st.com>
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*
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* May be copied or modified under the terms of the GNU General Public
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* License Version 2. See linux/COPYING for more information.
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*
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* Definitions for SH4 FPU operations
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*/
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#ifndef __CPU_SH4_FPU_H
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#define __CPU_SH4_FPU_H
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#define FPSCR_ENABLE_MASK 0x00000f80UL
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#define FPSCR_FMOV_DOUBLE (1<<1)
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#define FPSCR_CAUSE_INEXACT (1<<12)
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#define FPSCR_CAUSE_UNDERFLOW (1<<13)
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#define FPSCR_CAUSE_OVERFLOW (1<<14)
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#define FPSCR_CAUSE_DIVZERO (1<<15)
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#define FPSCR_CAUSE_INVALID (1<<16)
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#define FPSCR_CAUSE_ERROR (1<<17)
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#define FPSCR_DBL_PRECISION (1<<19)
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#define FPSCR_ROUNDING_MODE(x) ((x >> 20) & 3)
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#define FPSCR_RM_NEAREST (0)
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#define FPSCR_RM_ZERO (1)
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#endif
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