diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/Makefile.am | 1 | ||||
| -rw-r--r-- | include/linux/simd_aarch64.h | 62 |
2 files changed, 63 insertions, 0 deletions
diff --git a/include/linux/Makefile.am b/include/linux/Makefile.am index 9da9c068c..9bb0b3493 100644 --- a/include/linux/Makefile.am +++ b/include/linux/Makefile.am @@ -8,6 +8,7 @@ KERNEL_H = \ $(top_srcdir)/include/linux/utsname_compat.h \ $(top_srcdir)/include/linux/kmap_compat.h \ $(top_srcdir)/include/linux/simd_x86.h \ + $(top_srcdir)/include/linux/simd_aarch64.h \ $(top_srcdir)/include/linux/mod_compat.h USER_H = diff --git a/include/linux/simd_aarch64.h b/include/linux/simd_aarch64.h new file mode 100644 index 000000000..155ef6205 --- /dev/null +++ b/include/linux/simd_aarch64.h @@ -0,0 +1,62 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (C) 2016 Romain Dolbeau <[email protected]>. + */ + +/* + * USER API: + * + * Kernel fpu methods: + * kfpu_begin() + * kfpu_end() + */ + +#ifndef _SIMD_AARCH64_H +#define _SIMD_AARCH64_H + +#include <sys/isa_defs.h> + +#if defined(__aarch64__) + +#include <sys/types.h> + +#if defined(_KERNEL) +#include <asm/neon.h> +#define kfpu_begin() \ +{ \ + kernel_neon_begin(); \ +} +#define kfpu_end() \ +{ \ + kernel_neon_end(); \ +} +#else +/* + * fpu dummy methods for userspace + */ +#define kfpu_begin() do {} while (0) +#define kfpu_end() do {} while (0) +#endif /* defined(_KERNEL) */ + +#endif /* __aarch64__ */ + +#endif /* _SIMD_AARCH64_H */ |