1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * linux/arch/sh/kernel/cpu/sh4/sh4_fpu.h 4 * 5 * Copyright (C) 2006 STMicroelectronics Limited 6 * Author: Carl Shaw <carl.shaw@st.com> 7 * 8 * Definitions for SH4 FPU operations 9 */ 10 11 #ifndef __CPU_SH4_FPU_H 12 #define __CPU_SH4_FPU_H 13 14 #define FPSCR_ENABLE_MASK 0x00000f80UL 15 16 #define FPSCR_FMOV_DOUBLE (1<<1) 17 18 #define FPSCR_CAUSE_INEXACT (1<<12) 19 #define FPSCR_CAUSE_UNDERFLOW (1<<13) 20 #define FPSCR_CAUSE_OVERFLOW (1<<14) 21 #define FPSCR_CAUSE_DIVZERO (1<<15) 22 #define FPSCR_CAUSE_INVALID (1<<16) 23 #define FPSCR_CAUSE_ERROR (1<<17) 24 25 #define FPSCR_DBL_PRECISION (1<<19) 26 #define FPSCR_ROUNDING_MODE(x) ((x >> 20) & 3) 27 #define FPSCR_RM_NEAREST (0) 28 #define FPSCR_RM_ZERO (1) 29 30 #endif 31
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