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/* $NetBSD: fp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $ */
/*-
* Copyright (c) 1995 Mark Brinicombe.
* Copyright (c) 1995 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RiscBSD kernel project
*
* fp.h
*
* FP info
*
* Created : 10/10/95
*
* $FreeBSD: release/9.1.0/sys/arm/include/fp.h 139735 2005-01-05 21:58:49Z imp $
*/
#ifndef _MACHINE_FP_H
#define _MACHINE_FP_H
/*
* An extended precision floating point number
*/
typedef struct fp_extended_precision {
u_int32_t fp_exponent;
u_int32_t fp_mantissa_hi;
u_int32_t fp_mantissa_lo;
} fp_extended_precision_t;
typedef struct fp_extended_precision fp_reg_t;
/*
* Information about the FPE-SP state that is stored in the pcb
*
* This needs to move and be hidden from userland.
*/
struct fpe_sp_state {
unsigned int fp_flags;
unsigned int fp_sr;
unsigned int fp_cr;
fp_reg_t fp_registers[16];
};
/*
* Type for a saved FP context, if we want to translate the context to a
* user-readable form
*/
typedef struct {
u_int32_t fpsr;
fp_extended_precision_t regs[8];
} fp_state_t;
#endif /* _MACHINE_FP_H_ */
/* End of fp.h */