#ifndef __ASM_SH_FPU_H #define __ASM_SH_FPU_H #define SR_FD 0x00008000 #ifndef __ASSEMBLY__ #include <asm/ptrace.h> #ifdef CONFIG_SH_FPU static inline void release_fpu(struct pt_regs *regs) { regs->sr |= SR_FD; } static inline void grab_fpu(struct pt_regs *regs) { regs->sr &= ~SR_FD; } struct task_struct; extern void save_fpu(struct task_struct *__tsk, struct pt_regs *regs); #else #define release_fpu(regs) do { } while (0) #define grab_fpu(regs) do { } while (0) #define save_fpu(tsk, regs) do { } while (0) #endif extern int do_fpu_inst(unsigned short, struct pt_regs *); #define unlazy_fpu(tsk, regs) do { \ if (test_tsk_thread_flag(tsk, TIF_USEDFPU)) { \ save_fpu(tsk, regs); \ } \ } while (0) #define clear_fpu(tsk, regs) do { \ if (test_tsk_thread_flag(tsk, TIF_USEDFPU)) { \ clear_tsk_thread_flag(tsk, TIF_USEDFPU); \ release_fpu(regs); \ } \ } while (0) #endif /* __ASSEMBLY__ */ #endif /* __ASM_SH_FPU_H */