arch/powerpc/include/asm/fpu.h

   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 */