xref: /src/tests/kernel/arch/x86/sig_fpu.h

/*	$NetBSD: sig_fpu.h,v 1.1 2026/07/09 02:05:45 riastradh Exp $	*/

/*-
 * Copyright (c) 2026 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 */

#ifndef	TESTS_KERNEL_ARCH_X86_64_SIG_FPU_H
#define	TESTS_KERNEL_ARCH_X86_64_SIG_FPU_H

#include <stdbool.h>

bool x87_supported(void);
bool xmm_supported(void);
bool ymm_supported(void);
bool zmm_supported(void);

void trash_x87(void);
void trash_xmm(void);
void trash_ymm(void);
void trash_zmm(void);

int test_x87(volatile bool *, const volatile bool *);
int test_xmm(volatile bool *, const volatile bool *);
int test_ymm(volatile bool *, const volatile bool *);
int test_zmm(volatile bool *, const volatile bool *);

#endif	/* TESTS_KERNEL_ARCH_X86_64_SIG_FPU_H */