1/*
2 * linux/arch/unicore32/include/asm/fpu-ucf64.h
3 *
4 * Code specific to PKUnity SoC and UniCore ISA
5 *
6 *	Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
7 *	Copyright (C) 2001-2010 Guan Xuetao
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13#define FPSCR			s31
14
15/* FPSCR bits */
16#define FPSCR_DEFAULT_NAN	(1<<25)
17
18#define FPSCR_CMPINSTR_BIT	(1<<31)
19
20#define FPSCR_CON		(1<<29)
21#define FPSCR_TRAP		(1<<27)
22
23/* RND mode */
24#define FPSCR_ROUND_NEAREST	(0<<0)
25#define FPSCR_ROUND_PLUSINF	(2<<0)
26#define FPSCR_ROUND_MINUSINF	(3<<0)
27#define FPSCR_ROUND_TOZERO	(1<<0)
28#define FPSCR_RMODE_BIT		(0)
29#define FPSCR_RMODE_MASK	(7 << FPSCR_RMODE_BIT)
30
31/* trap enable */
32#define FPSCR_IOE		(1<<16)
33#define FPSCR_OFE		(1<<14)
34#define FPSCR_UFE		(1<<13)
35#define FPSCR_IXE		(1<<12)
36#define FPSCR_HIE		(1<<11)
37#define FPSCR_NDE		(1<<10)	/* non denomal */
38
39/* flags */
40#define FPSCR_IDC		(1<<24)
41#define FPSCR_HIC		(1<<23)
42#define FPSCR_IXC		(1<<22)
43#define FPSCR_OFC		(1<<21)
44#define FPSCR_UFC		(1<<20)
45#define FPSCR_IOC		(1<<19)
46
47/* stick bits */
48#define FPSCR_IOS		(1<<9)
49#define FPSCR_OFS		(1<<7)
50#define FPSCR_UFS		(1<<6)
51#define FPSCR_IXS		(1<<5)
52#define FPSCR_HIS		(1<<4)
53#define FPSCR_NDS		(1<<3)	/*non denomal */
54