17804dd52SRuslan Bukin /*- 2*44d4ee7fSRuslan Bukin * Copyright (c) 2016-2024 Ruslan Bukin <br@bsdpad.com> 37804dd52SRuslan Bukin * All rights reserved. 47804dd52SRuslan Bukin * 57804dd52SRuslan Bukin * This software was developed by SRI International and the University of 67804dd52SRuslan Bukin * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237 77804dd52SRuslan Bukin * ("CTSRD"), as part of the DARPA CRASH research programme. 87804dd52SRuslan Bukin * 97804dd52SRuslan Bukin * Redistribution and use in source and binary forms, with or without 107804dd52SRuslan Bukin * modification, are permitted provided that the following conditions 117804dd52SRuslan Bukin * are met: 127804dd52SRuslan Bukin * 1. Redistributions of source code must retain the above copyright 137804dd52SRuslan Bukin * notice, this list of conditions and the following disclaimer. 147804dd52SRuslan Bukin * 2. Redistributions in binary form must reproduce the above copyright 157804dd52SRuslan Bukin * notice, this list of conditions and the following disclaimer in the 167804dd52SRuslan Bukin * documentation and/or other materials provided with the distribution. 177804dd52SRuslan Bukin * 187804dd52SRuslan Bukin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 197804dd52SRuslan Bukin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 207804dd52SRuslan Bukin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 217804dd52SRuslan Bukin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 227804dd52SRuslan Bukin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 237804dd52SRuslan Bukin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 247804dd52SRuslan Bukin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 257804dd52SRuslan Bukin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 267804dd52SRuslan Bukin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 277804dd52SRuslan Bukin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 287804dd52SRuslan Bukin * SUCH DAMAGE. 297804dd52SRuslan Bukin */ 307804dd52SRuslan Bukin 317804dd52SRuslan Bukin #ifndef _MACHINE_FPE_H_ 327804dd52SRuslan Bukin #define _MACHINE_FPE_H_ 337804dd52SRuslan Bukin 347804dd52SRuslan Bukin void fpe_state_save(struct thread *td); 35232d0b87SJohn Baldwin void fpe_state_clear(void); 367804dd52SRuslan Bukin 37*44d4ee7fSRuslan Bukin struct fpreg *fpu_save_area_alloc(void); 38*44d4ee7fSRuslan Bukin void fpu_save_area_free(struct fpreg *fsa); 39*44d4ee7fSRuslan Bukin void fpu_save_area_reset(struct fpreg *fsa); 40*44d4ee7fSRuslan Bukin 41*44d4ee7fSRuslan Bukin void fpe_enable(void); 42*44d4ee7fSRuslan Bukin void fpe_disable(void); 43*44d4ee7fSRuslan Bukin 44*44d4ee7fSRuslan Bukin void fpe_store(struct fpreg *state); 45*44d4ee7fSRuslan Bukin void fpe_restore(struct fpreg *state); 46*44d4ee7fSRuslan Bukin 477804dd52SRuslan Bukin #endif /* !_MACHINE_FPE_H_ */ 48