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