1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * linux/arch/unicore32/include/asm/fpu-ucf64.h 4 * 5 * Code specific to PKUnity SoC and UniCore ISA 6 * 7 * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn> 8 * Copyright (C) 2001-2010 Guan Xuetao 9 */ 10 #define FPSCR s31 11 12 /* FPSCR bits */ 13 #define FPSCR_DEFAULT_NAN (1<<25) 14 15 #define FPSCR_CMPINSTR_BIT (1<<31) 16 17 #define FPSCR_CON (1<<29) 18 #define FPSCR_TRAP (1<<27) 19 20 /* RND mode */ 21 #define FPSCR_ROUND_NEAREST (0<<0) 22 #define FPSCR_ROUND_PLUSINF (2<<0) 23 #define FPSCR_ROUND_MINUSINF (3<<0) 24 #define FPSCR_ROUND_TOZERO (1<<0) 25 #define FPSCR_RMODE_BIT (0) 26 #define FPSCR_RMODE_MASK (7 << FPSCR_RMODE_BIT) 27 28 /* trap enable */ 29 #define FPSCR_IOE (1<<16) 30 #define FPSCR_OFE (1<<14) 31 #define FPSCR_UFE (1<<13) 32 #define FPSCR_IXE (1<<12) 33 #define FPSCR_HIE (1<<11) 34 #define FPSCR_NDE (1<<10) /* non denomal */ 35 36 /* flags */ 37 #define FPSCR_IDC (1<<24) 38 #define FPSCR_HIC (1<<23) 39 #define FPSCR_IXC (1<<22) 40 #define FPSCR_OFC (1<<21) 41 #define FPSCR_UFC (1<<20) 42 #define FPSCR_IOC (1<<19) 43 44 /* stick bits */ 45 #define FPSCR_IOS (1<<9) 46 #define FPSCR_OFS (1<<7) 47 #define FPSCR_UFS (1<<6) 48 #define FPSCR_IXS (1<<5) 49 #define FPSCR_HIS (1<<4) 50 #define FPSCR_NDS (1<<3) /*non denomal */ 51