diff options
Diffstat (limited to 'include/os/freebsd/spl/sys/simd_aarch64.h')
| -rw-r--r-- | include/os/freebsd/spl/sys/simd_aarch64.h | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/include/os/freebsd/spl/sys/simd_aarch64.h b/include/os/freebsd/spl/sys/simd_aarch64.h deleted file mode 100644 index 9df0f6817433..000000000000 --- a/include/os/freebsd/spl/sys/simd_aarch64.h +++ /dev/null @@ -1,95 +0,0 @@ -// SPDX-License-Identifier: BSD-2-Clause -/* - * Copyright (C) 2022 Tino Reichardt <milky-zfs@mcmilk.de> - * 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 AUTHORS 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 AUTHORS 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 CONTRACT, STRICT - * 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 - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -/* - * SIMD support: - * - * Following functions should be called to determine whether CPU feature - * is supported. All functions are usable in kernel and user space. - * If a SIMD algorithm is using more than one instruction set - * all relevant feature test functions should be called. - * - * Supported features: - * zfs_neon_available() - * zfs_sha256_available() - * zfs_sha512_available() - */ - -#ifndef _FREEBSD_SIMD_AARCH64_H -#define _FREEBSD_SIMD_AARCH64_H - -#include <sys/types.h> -#include <sys/ucontext.h> -#include <machine/elf.h> -#include <machine/fpu.h> -#include <machine/md_var.h> -#include <machine/pcb.h> - -#define kfpu_allowed() 1 -#define kfpu_initialize(tsk) do {} while (0) -#define kfpu_begin() do { \ - if (__predict_false(!is_fpu_kern_thread(0))) \ - fpu_kern_enter(curthread, NULL, FPU_KERN_NOCTX); \ -} while (0) - -#define kfpu_end() do { \ - if (__predict_false(curthread->td_pcb->pcb_fpflags & PCB_FP_NOSAVE)) \ - fpu_kern_leave(curthread, NULL); \ -} while (0) -#define kfpu_init() (0) -#define kfpu_fini() do {} while (0) - -/* - * Check if NEON is available - */ -static inline boolean_t -zfs_neon_available(void) -{ - return (elf_hwcap & HWCAP_FP); -} - -/* - * Check if SHA256 is available - */ -static inline boolean_t -zfs_sha256_available(void) -{ - return (elf_hwcap & HWCAP_SHA2); -} - -/* - * Check if SHA512 is available - */ -static inline boolean_t -zfs_sha512_available(void) -{ - return (elf_hwcap & HWCAP_SHA512); -} - -#endif /* _FREEBSD_SIMD_AARCH64_H */ |