29 lines
509 B
C
29 lines
509 B
C
/* 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 */
|