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sys/compat/linuxkpi/common/src/linux_fpu.c
- 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_ | #include <sys/types.h> | ||||
| #define _EFIFB_H_ | #include <sys/param.h> | ||||
| #include <sys/proc.h> | |||||
| #include <sys/kernel.h> | |||||
| int efi_find_framebuffer(struct efi_fb *efifb); | #include <machine/fpu.h> | ||||
| #endif /* _EFIFB_H_ */ | struct fpu_kern_ctx *__lkpi_fpu_ctx; | ||||
| unsigned int __lkpi_fpu_ctx_level = 0; | |||||
| static void | |||||
| linux_fpu_init(void *arg __unused) | |||||
| { | |||||
| __lkpi_fpu_ctx = fpu_kern_alloc_ctx(0); | |||||
| } | |||||
| SYSINIT(linux_fpu, SI_SUB_EVENTHANDLER, SI_ORDER_SECOND, linux_fpu_init, NULL); | |||||
| static void | |||||
| linux_fpu_uninit(void *arg __unused) | |||||
| { | |||||
| fpu_kern_free_ctx(__lkpi_fpu_ctx); | |||||
| } | |||||
| SYSUNINIT(linux_fpu, SI_SUB_EVENTHANDLER, SI_ORDER_SECOND, linux_fpu_uninit, NULL); | |||||