fpusystm.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
* or http://www.opensolaris.org/os/licensing.
* 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_FPUSYSTM_H
#define _SYS_FPU_FPUSYSTM_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* ISA-dependent FPU interfaces
*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
struct fpu;
struct regs;
#if !defined(DEBUG) && !defined(NEED_FPU_EXISTS)
#define fpu_exists 1
#else
extern int fpu_exists;
#endif
extern int fpu_version;
extern int fpdispr;
extern void fpu_probe(void);
extern void fp_disable(void);
extern void fp_disabled(struct regs *);
extern void fp_clearregs(kfpu_t *);
extern void fp_enable(void);
extern void fp_fksave(kfpu_t *);
extern void fp_runq(struct regs *);
extern void fp_load(kfpu_t *);
extern void fp_save(kfpu_t *);
extern void fp_restore(kfpu_t *);
extern void run_fpq(klwp_t *, fpregset_t *);
extern void syncfpu(void);
extern void _fp_read_pfsr(uint64_t *fsr);
extern void _fp_write_pfsr(uint64_t *);
extern void _fp_read_pfreg(uint32_t *, uint_t);
extern void _fp_write_pfreg(uint32_t *, uint_t);
extern void fp_free(kfpu_t *, int);
extern void fp_fork(klwp_t *, klwp_t *);
extern void fp_v8_load(kfpu_t *);
extern void fp_v8p_load(kfpu_t *);
extern void fp_v8_fksave(kfpu_t *);
extern void fp_v8p_fksave(kfpu_t *);
extern uint32_t _fp_read_fprs(void);
extern void _fp_write_fprs(uint32_t);
extern void save_gsr(kfpu_t *);
extern void restore_gsr(kfpu_t *);
extern uint64_t get_gsr(kfpu_t *);
extern void set_gsr(uint64_t, kfpu_t *);
extern uint64_t get_phys_gsr(kfpu_t *);
extern void set_phys_gsr(uint64_t, kfpu_t *);
extern uint_t get_pstate();
extern uint_t get_ccr();
extern void set_ccr(uint_t);
extern void _fp_read_pdreg(uint64_t *, uint_t);
extern void _fp_write_pdreg(uint64_t *, uint_t);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_FPU_FPUSYSTM_H */