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sys/compat/linuxkpi/common/include/asm/fpu/api.h
- This file was copied from stand/efi/loader/framebuffer.h.
/*- | /*- | ||||
* Copyright (c) 2013 The FreeBSD Foundation | * SPDX-License-Identifier: BSD-2-Clause-FreeBSD | ||||
* All rights reserved. | |||||
* | * | ||||
* This software was developed by Benno Rice under sponsorship from | * Copyright (c) 2020 Greg V <greg@unrelenting.technology> | ||||
* the FreeBSD Foundation. | * | ||||
* Redistribution and use in source and binary forms, with or without | * Redistribution and use in source and binary forms, with or without | ||||
* modification, are permitted provided that the following conditions | * modification, are permitted provided that the following conditions | ||||
* are met: | * are met: | ||||
* 1. Redistributions of source code must retain the above copyright | * 1. Redistributions of source code must retain the above copyright | ||||
* notice, this list of conditions and the following disclaimer. | * notice, this list of conditions and the following disclaimer. | ||||
* 2. Redistributions in binary form must reproduce the above copyright | * 2. Redistributions in binary form must reproduce the above copyright | ||||
* notice, this list of conditions and the following disclaimer in the | * notice, this list of conditions and the following disclaimer in the | ||||
* documentation and/or other materials provided with the distribution. | * documentation and/or other materials provided with the distribution. | ||||
* | * | ||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND | ||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE | ||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||||
* SUCH DAMAGE. | * SUCH DAMAGE. | ||||
* | |||||
* $FreeBSD$ | |||||
*/ | */ | ||||
#ifndef _EFIFB_H_ | #ifndef _FPU_API_H_ | ||||
#define _EFIFB_H_ | #define _FPU_API_H_ | ||||
int efi_find_framebuffer(struct efi_fb *efifb); | #if defined(__aarch64__) || defined(__amd64__) || defined(__i386__) | ||||
#endif /* _EFIFB_H_ */ | #include <machine/fpu.h> | ||||
extern struct fpu_kern_ctx *__lkpi_fpu_ctx; | |||||
extern unsigned int __lkpi_fpu_ctx_level; | |||||
static inline void | |||||
kernel_fpu_begin() | |||||
{ | |||||
if (__lkpi_fpu_ctx_level++ == 0) { | |||||
fpu_kern_enter(curthread, __lkpi_fpu_ctx, FPU_KERN_NORMAL); | |||||
} | |||||
} | |||||
static inline void | |||||
kernel_fpu_end() | |||||
{ | |||||
if (--__lkpi_fpu_ctx_level == 0) { | |||||
fpu_kern_leave(curthread, __lkpi_fpu_ctx); | |||||
} | |||||
} | |||||
#else | |||||
static inline void | |||||
kernel_fpu_begin() | |||||
{ | |||||
} | |||||
static inline void | |||||
kernel_fpu_end() | |||||
{ | |||||
} | |||||
#endif | |||||
#endif /* _FPU_API_H_ */ |