diff options
Diffstat (limited to 'arch/powerpc/include/asm/fpu.h')
-rw-r--r-- | arch/powerpc/include/asm/fpu.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/fpu.h b/arch/powerpc/include/asm/fpu.h new file mode 100644 index 0000000000..ca584e4bc4 --- /dev/null +++ b/arch/powerpc/include/asm/fpu.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2023 SiFive + */ + +#ifndef _ASM_POWERPC_FPU_H +#define _ASM_POWERPC_FPU_H + +#include <linux/preempt.h> + +#include <asm/cpu_has_feature.h> +#include <asm/switch_to.h> + +#define kernel_fpu_available() (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) + +static inline void kernel_fpu_begin(void) +{ + preempt_disable(); + enable_kernel_fp(); +} + +static inline void kernel_fpu_end(void) +{ + disable_kernel_fp(); + preempt_enable(); +} + +#endif /* ! _ASM_POWERPC_FPU_H */ |