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