| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * Copyright (C) 2023 SiFive |
| 4 | */ |
| 5 | |
| 6 | #ifndef _ASM_POWERPC_FPU_H |
| 7 | #define _ASM_POWERPC_FPU_H |
| 8 | |
| 9 | #include <linux/preempt.h> |
| 10 | |
| 11 | #include <asm/cpu_has_feature.h> |
| 12 | #include <asm/switch_to.h> |
| 13 | |
| 14 | #define kernel_fpu_available() (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) |
| 15 | |
| 16 | static inline void kernel_fpu_begin(void) |
| 17 | { |
| 18 | preempt_disable(); |
| 19 | enable_kernel_fp(); |
| 20 | } |
| 21 | |
| 22 | static inline void kernel_fpu_end(void) |
| 23 | { |
| 24 | disable_kernel_fp(); |
| 25 | preempt_enable(); |
| 26 | } |
| 27 | |
| 28 | #endif /* ! _ASM_POWERPC_FPU_H */ |