arch/openrisc/include/asm/fpu.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_OPENRISC_FPU_H
   3 #define __ASM_OPENRISC_FPU_H
   4
   5 struct task_struct;
   6
   7 #ifdef CONFIG_FPU
   8 static inline void save_fpu(struct task_struct *task)
   9 {
  10         task->thread.fpcsr = mfspr(SPR_FPCSR);
  11 }
  12
  13 static inline void restore_fpu(struct task_struct *task)
  14 {
  15         mtspr(SPR_FPCSR, task->thread.fpcsr);
  16 }
  17 #else
  18 #define save_fpu(tsk)                   do { } while (0)
  19 #define restore_fpu(tsk)                do { } while (0)
  20 #endif
  21
  22 #endif /* __ASM_OPENRISC_FPU_H */