1/* 2 * linux/arch/sh/kernel/cpu/sh4/sh4_fpu.h 3 * 4 * Copyright (C) 2006 STMicroelectronics Limited 5 * Author: Carl Shaw <carl.shaw@st.com> 6 * 7 * May be copied or modified under the terms of the GNU General Public 8 * License Version 2. See linux/COPYING for more information. 9 * 10 * Definitions for SH4 FPU operations 11 */ 12 13#ifndef __CPU_SH4_FPU_H 14#define __CPU_SH4_FPU_H 15 16#define FPSCR_ENABLE_MASK 0x00000f80UL 17 18#define FPSCR_FMOV_DOUBLE (1<<1) 19 20#define FPSCR_CAUSE_INEXACT (1<<12) 21#define FPSCR_CAUSE_UNDERFLOW (1<<13) 22#define FPSCR_CAUSE_OVERFLOW (1<<14) 23#define FPSCR_CAUSE_DIVZERO (1<<15) 24#define FPSCR_CAUSE_INVALID (1<<16) 25#define FPSCR_CAUSE_ERROR (1<<17) 26 27#define FPSCR_DBL_PRECISION (1<<19) 28#define FPSCR_ROUNDING_MODE(x) ((x >> 20) & 3) 29#define FPSCR_RM_NEAREST (0) 30#define FPSCR_RM_ZERO (1) 31 32#endif 33