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