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      1 /*	$NetBSD: sig_fpu.h,v 1.1 2026/07/09 02:05:45 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2026 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef	TESTS_KERNEL_ARCH_X86_64_SIG_FPU_H
     30 #define	TESTS_KERNEL_ARCH_X86_64_SIG_FPU_H
     31 
     32 #include <stdbool.h>
     33 
     34 bool x87_supported(void);
     35 bool xmm_supported(void);
     36 bool ymm_supported(void);
     37 bool zmm_supported(void);
     38 
     39 void trash_x87(void);
     40 void trash_xmm(void);
     41 void trash_ymm(void);
     42 void trash_zmm(void);
     43 
     44 int test_x87(volatile bool *, const volatile bool *);
     45 int test_xmm(volatile bool *, const volatile bool *);
     46 int test_ymm(volatile bool *, const volatile bool *);
     47 int test_zmm(volatile bool *, const volatile bool *);
     48 
     49 #endif	/* TESTS_KERNEL_ARCH_X86_64_SIG_FPU_H */
     50