10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 70Sstevel@tonic-gate * with the License. 80Sstevel@tonic-gate * 90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 110Sstevel@tonic-gate * See the License for the specific language governing permissions 120Sstevel@tonic-gate * and limitations under the License. 130Sstevel@tonic-gate * 140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 190Sstevel@tonic-gate * 200Sstevel@tonic-gate * CDDL HEADER END 210Sstevel@tonic-gate */ 220Sstevel@tonic-gate /* 230Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate #ifndef _SYS_FPU_FPUSYSTM_H 280Sstevel@tonic-gate #define _SYS_FPU_FPUSYSTM_H 290Sstevel@tonic-gate 300Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 310Sstevel@tonic-gate 320Sstevel@tonic-gate /* 330Sstevel@tonic-gate * ISA-dependent FPU interfaces 340Sstevel@tonic-gate */ 350Sstevel@tonic-gate 360Sstevel@tonic-gate #ifdef __cplusplus 370Sstevel@tonic-gate extern "C" { 380Sstevel@tonic-gate #endif 390Sstevel@tonic-gate 400Sstevel@tonic-gate #ifdef _KERNEL 410Sstevel@tonic-gate 420Sstevel@tonic-gate struct fpu; 430Sstevel@tonic-gate struct regs; 440Sstevel@tonic-gate 450Sstevel@tonic-gate #if !defined(DEBUG) && !defined(NEED_FPU_EXISTS) 460Sstevel@tonic-gate #define fpu_exists 1 470Sstevel@tonic-gate #else 480Sstevel@tonic-gate extern int fpu_exists; 490Sstevel@tonic-gate #endif 500Sstevel@tonic-gate 510Sstevel@tonic-gate extern int fpu_version; 520Sstevel@tonic-gate extern int fpdispr; 530Sstevel@tonic-gate 540Sstevel@tonic-gate extern void fpu_probe(void); 550Sstevel@tonic-gate extern void fp_disable(void); 560Sstevel@tonic-gate extern void fp_disabled(struct regs *); 570Sstevel@tonic-gate extern void fp_clearregs(kfpu_t *); 580Sstevel@tonic-gate extern void fp_enable(void); 590Sstevel@tonic-gate extern void fp_fksave(kfpu_t *); 600Sstevel@tonic-gate extern void fp_runq(struct regs *); 610Sstevel@tonic-gate extern void fp_load(kfpu_t *); 620Sstevel@tonic-gate extern void fp_save(kfpu_t *); 630Sstevel@tonic-gate extern void fp_restore(kfpu_t *); 640Sstevel@tonic-gate extern void run_fpq(klwp_t *, fpregset_t *); 650Sstevel@tonic-gate extern void syncfpu(void); 660Sstevel@tonic-gate extern void _fp_read_pfsr(uint64_t *fsr); 670Sstevel@tonic-gate extern void _fp_write_pfsr(uint64_t *); 680Sstevel@tonic-gate extern void _fp_read_pfreg(uint32_t *, uint_t); 690Sstevel@tonic-gate extern void _fp_write_pfreg(uint32_t *, uint_t); 700Sstevel@tonic-gate extern void fp_free(kfpu_t *, int); 710Sstevel@tonic-gate extern void fp_fork(klwp_t *, klwp_t *); 720Sstevel@tonic-gate extern void fp_v8_load(kfpu_t *); 730Sstevel@tonic-gate extern void fp_v8p_load(kfpu_t *); 740Sstevel@tonic-gate extern void fp_v8_fksave(kfpu_t *); 750Sstevel@tonic-gate extern void fp_v8p_fksave(kfpu_t *); 760Sstevel@tonic-gate extern uint32_t _fp_read_fprs(void); 770Sstevel@tonic-gate extern void _fp_write_fprs(uint32_t); 780Sstevel@tonic-gate extern void save_gsr(kfpu_t *); 790Sstevel@tonic-gate extern void restore_gsr(kfpu_t *); 800Sstevel@tonic-gate extern uint64_t get_gsr(kfpu_t *); 810Sstevel@tonic-gate extern void set_gsr(uint64_t, kfpu_t *); 82*7Sdf157793 extern uint64_t _fp_read_pgsr(kfpu_t *); 83*7Sdf157793 extern void _fp_write_pgsr(uint64_t, kfpu_t *); 840Sstevel@tonic-gate extern void _fp_read_pdreg(uint64_t *, uint_t); 850Sstevel@tonic-gate extern void _fp_write_pdreg(uint64_t *, uint_t); 860Sstevel@tonic-gate 870Sstevel@tonic-gate #endif /* _KERNEL */ 880Sstevel@tonic-gate 890Sstevel@tonic-gate #ifdef __cplusplus 900Sstevel@tonic-gate } 910Sstevel@tonic-gate #endif 920Sstevel@tonic-gate 930Sstevel@tonic-gate #endif /* _SYS_FPU_FPUSYSTM_H */ 94