globals.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_FPU_GLOBALS_H
#define _SYS_FPU_GLOBALS_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Sparc floating-point simulator PRIVATE include file.
*/
#ifdef __cplusplus
extern "C" {
#endif
/* PRIVATE CONSTANTS */
#define INTEGER_BIAS 31
#define LONGLONG_BIAS 63
#define SINGLE_BIAS 127
#define DOUBLE_BIAS 1023
#define EXTENDED_BIAS 16383
/* PRIVATE TYPES */
#if defined(_KERNEL)
typedef struct {
int sign;
enum fp_class_type fpclass;
int exponent; /* Unbiased exponent */
int rounded; /* rounded bit */
int sticky; /* stick bit */
} unpacked;
/*
* PRIVATE FUNCTIONS
* pfreg routines use "physical" FPU registers, in fpusystm.h.
* vfreg routines use "virtual" FPU registers at *_fp_current_pfregs.
*/
void *, kfpu_t *);
void *);
extern void fpu_normalize(unpacked *);
extern void fpu_rightshift(unpacked *, int);
/* extern void _fp_product(uint_t, uint_t, uint_t *); */
fp_simd_type *);
fp_simd_type *);
fp_simd_type *);
void *, uint64_t *);
void *, uint64_t *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_FPU_GLOBALS_H */