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/*
* linux/arch/unicore32/include/asm/fpu-ucf64.h
*
* Code specific to PKUnity SoC and UniCore ISA
*
* Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
* Copyright (C) 2001-2010 Guan Xuetao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#define FPSCR s31
/* FPSCR bits */
#define FPSCR_DEFAULT_NAN (1<<25)
#define FPSCR_CMPINSTR_BIT (1<<31)
#define FPSCR_CON (1<<29)
#define FPSCR_TRAP (1<<27)
/* RND mode */
#define FPSCR_ROUND_NEAREST (0<<0)
#define FPSCR_ROUND_PLUSINF (2<<0)
#define FPSCR_ROUND_MINUSINF (3<<0)
#define FPSCR_ROUND_TOZERO (1<<0)
#define FPSCR_RMODE_BIT (0)
#define FPSCR_RMODE_MASK (7 << FPSCR_RMODE_BIT)
/* trap enable */
#define FPSCR_IOE (1<<16)
#define FPSCR_OFE (1<<14)
#define FPSCR_UFE (1<<13)
#define FPSCR_IXE (1<<12)
#define FPSCR_HIE (1<<11)
#define FPSCR_NDE (1<<10) /* non denomal */
/* flags */
#define FPSCR_IDC (1<<24)
#define FPSCR_HIC (1<<23)
#define FPSCR_IXC (1<<22)
#define FPSCR_OFC (1<<21)
#define FPSCR_UFC (1<<20)
#define FPSCR_IOC (1<<19)
/* stick bits */
#define FPSCR_IOS (1<<9)
#define FPSCR_OFS (1<<7)
#define FPSCR_UFS (1<<6)
#define FPSCR_IXS (1<<5)
#define FPSCR_HIS (1<<4)
#define FPSCR_NDS (1<<3) /*non denomal */
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