33 lines
		
	
	
	
		
			809 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			33 lines
		
	
	
	
		
			809 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * linux/arch/sh/kernel/cpu/sh4/sh4_fpu.h | ||
|  |  * | ||
|  |  * Copyright (C) 2006 STMicroelectronics Limited | ||
|  |  * Author: Carl Shaw <carl.shaw@st.com> | ||
|  |  * | ||
|  |  * May be copied or modified under the terms of the GNU General Public | ||
|  |  * License Version 2.  See linux/COPYING for more information. | ||
|  |  * | ||
|  |  * Definitions for SH4 FPU operations | ||
|  |  */ | ||
|  | 
 | ||
|  | #ifndef __CPU_SH4_FPU_H
 | ||
|  | #define __CPU_SH4_FPU_H
 | ||
|  | 
 | ||
|  | #define FPSCR_ENABLE_MASK	0x00000f80UL
 | ||
|  | 
 | ||
|  | #define FPSCR_FMOV_DOUBLE	(1<<1)
 | ||
|  | 
 | ||
|  | #define FPSCR_CAUSE_INEXACT	(1<<12)
 | ||
|  | #define FPSCR_CAUSE_UNDERFLOW	(1<<13)
 | ||
|  | #define FPSCR_CAUSE_OVERFLOW	(1<<14)
 | ||
|  | #define FPSCR_CAUSE_DIVZERO	(1<<15)
 | ||
|  | #define FPSCR_CAUSE_INVALID	(1<<16)
 | ||
|  | #define FPSCR_CAUSE_ERROR 	(1<<17)
 | ||
|  | 
 | ||
|  | #define FPSCR_DBL_PRECISION	(1<<19)
 | ||
|  | #define FPSCR_ROUNDING_MODE(x)	((x >> 20) & 3)
 | ||
|  | #define FPSCR_RM_NEAREST	(0)
 | ||
|  | #define FPSCR_RM_ZERO		(1)
 | ||
|  | 
 | ||
|  | #endif
 |