17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bdstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bdstevel@tonic-gate * (the "License").  You may not use this file except in compliance
77c478bdstevel@tonic-gate * with the License.
87c478bdstevel@tonic-gate *
97c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bdstevel@tonic-gate * See the License for the specific language governing permissions
127c478bdstevel@tonic-gate * and limitations under the License.
137c478bdstevel@tonic-gate *
147c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bdstevel@tonic-gate *
207c478bdstevel@tonic-gate * CDDL HEADER END
217c478bdstevel@tonic-gate */
227c478bdstevel@tonic-gate/*
237c478bdstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
247c478bdstevel@tonic-gate * Use is subject to license terms.
257c478bdstevel@tonic-gate */
267c478bdstevel@tonic-gate
277c478bdstevel@tonic-gate#ifndef _SYS_FPU_FPUSYSTM_H
287c478bdstevel@tonic-gate#define	_SYS_FPU_FPUSYSTM_H
297c478bdstevel@tonic-gate
307c478bdstevel@tonic-gate/*
317c478bdstevel@tonic-gate * ISA-dependent FPU interfaces
327c478bdstevel@tonic-gate */
337c478bdstevel@tonic-gate
347c478bdstevel@tonic-gate#ifdef __cplusplus
357c478bdstevel@tonic-gateextern "C" {
367c478bdstevel@tonic-gate#endif
377c478bdstevel@tonic-gate
387c478bdstevel@tonic-gate#ifdef _KERNEL
397c478bdstevel@tonic-gate
40bc0e913Gordon Rossstruct _fpu;
417c478bdstevel@tonic-gatestruct regs;
427c478bdstevel@tonic-gate
437c478bdstevel@tonic-gate#if !defined(DEBUG) && !defined(NEED_FPU_EXISTS)
447c478bdstevel@tonic-gate#define	fpu_exists 1
457c478bdstevel@tonic-gate#else
467c478bdstevel@tonic-gateextern int fpu_exists;
477c478bdstevel@tonic-gate#endif
487c478bdstevel@tonic-gate
497c478bdstevel@tonic-gateextern int fpu_version;
507c478bdstevel@tonic-gateextern int fpdispr;
517c478bdstevel@tonic-gate
527c478bdstevel@tonic-gateextern void fpu_probe(void);
537c478bdstevel@tonic-gateextern void fp_disable(void);
547c478bdstevel@tonic-gateextern void fp_disabled(struct regs *);
557c478bdstevel@tonic-gateextern void fp_clearregs(kfpu_t *);
567c478bdstevel@tonic-gateextern void fp_enable(void);
577c478bdstevel@tonic-gateextern void fp_fksave(kfpu_t *);
587c478bdstevel@tonic-gateextern void fp_runq(struct regs *);
597c478bdstevel@tonic-gateextern void fp_load(kfpu_t *);
607c478bdstevel@tonic-gateextern void fp_save(kfpu_t *);
617c478bdstevel@tonic-gateextern void fp_restore(kfpu_t *);
627c478bdstevel@tonic-gateextern void run_fpq(klwp_t *, fpregset_t *);
637c478bdstevel@tonic-gateextern void syncfpu(void);
647c478bdstevel@tonic-gateextern void _fp_read_pfsr(uint64_t *fsr);
657c478bdstevel@tonic-gateextern void _fp_write_pfsr(uint64_t *);
667c478bdstevel@tonic-gateextern void _fp_read_pfreg(uint32_t *, uint_t);
677c478bdstevel@tonic-gateextern void _fp_write_pfreg(uint32_t *, uint_t);
687c478bdstevel@tonic-gateextern void fp_free(kfpu_t *, int);
697c478bdstevel@tonic-gateextern void fp_fork(klwp_t *, klwp_t *);
707c478bdstevel@tonic-gateextern void fp_v8_load(kfpu_t *);
717c478bdstevel@tonic-gateextern void fp_v8p_load(kfpu_t *);
727c478bdstevel@tonic-gateextern void fp_v8_fksave(kfpu_t *);
737c478bdstevel@tonic-gateextern void fp_v8p_fksave(kfpu_t *);
747c478bdstevel@tonic-gateextern uint32_t _fp_read_fprs(void);
757c478bdstevel@tonic-gateextern void _fp_write_fprs(uint32_t);
767c478bdstevel@tonic-gateextern void save_gsr(kfpu_t *);
777c478bdstevel@tonic-gateextern void restore_gsr(kfpu_t *);
787c478bdstevel@tonic-gateextern uint64_t get_gsr(kfpu_t *);
797c478bdstevel@tonic-gateextern void set_gsr(uint64_t, kfpu_t *);
805892374dfextern uint64_t _fp_read_pgsr(kfpu_t *);
815892374dfextern void _fp_write_pgsr(uint64_t, kfpu_t *);
827c478bdstevel@tonic-gateextern void _fp_read_pdreg(uint64_t *, uint_t);
837c478bdstevel@tonic-gateextern void _fp_write_pdreg(uint64_t *, uint_t);
847c478bdstevel@tonic-gate
857c478bdstevel@tonic-gate#endif	/* _KERNEL */
867c478bdstevel@tonic-gate
877c478bdstevel@tonic-gate#ifdef __cplusplus
887c478bdstevel@tonic-gate}
897c478bdstevel@tonic-gate#endif
907c478bdstevel@tonic-gate
917c478bdstevel@tonic-gate#endif	/* _SYS_FPU_FPUSYSTM_H */
92