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