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| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | /* |
| 3 | * Copyright (C) 2023 SiFive |
| 4 | */ |
| 5 | |
| 6 | #ifndef __ASM_FPU_H |
| 7 | #define __ASM_FPU_H |
| 8 | |
| 9 | #include <linux/preempt.h> |
| 10 | #include <asm/neon.h> |
| 11 | |
| 12 | #define kernel_fpu_available() cpu_has_neon() |
| 13 | |
| 14 | static inline void kernel_fpu_begin(void) |
| 15 | { |
| 16 | BUG_ON(!in_task()); |
| 17 | preempt_disable(); |
| 18 | kernel_neon_begin(NULL); |
| 19 | } |
| 20 | |
| 21 | static inline void kernel_fpu_end(void) |
| 22 | { |
| 23 | kernel_neon_end(NULL); |
| 24 | preempt_enable(); |
| 25 | } |
| 26 | |
| 27 | #endif /* ! __ASM_FPU_H */ |
| 28 |
Warning: This file is not a C or C++ file. It does not have highlighting.