| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| /* | |
| * Copyright (C) 2023 SiFive | |
| */ | |
| #ifndef __ASM_FPU_H | |
| #define __ASM_FPU_H | |
| #include <linux/preempt.h> | |
| #include <asm/neon.h> | |
| #define kernel_fpu_available() cpu_has_neon() | |
| static inline void kernel_fpu_begin(void) | |
| { | |
| BUG_ON(!in_task()); | |
| preempt_disable(); | |
| kernel_neon_begin(NULL); | |
| } | |
| static inline void kernel_fpu_end(void) | |
| { | |
| kernel_neon_end(NULL); | |
| preempt_enable(); | |
| } | |
| #endif /* ! __ASM_FPU_H */ |