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