* Single step bit
*
*/
-#define SR_FD 0x00008000
-
#if defined(CONFIG_SH64_SR_WATCH)
#define SR_MMU 0x84000000
#else
: "r" (~SR_FD));
}
-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;
-}
-
/* Round to nearest, no exceptions on inexact, overflow, underflow,
zero-divide, invalid. Configure option for whether to flush denorms to
zero, or except if a denorm is encountered. */
#define FPSCR_INIT 0x00000000
#endif
-/* Save the current FP regs */
-void fpsave(struct sh_fpu_hard_struct *fpregs);
-
+#ifdef CONFIG_SH_FPU
/* Initialise the FP state of a task */
void fpinit(struct sh_fpu_hard_struct *fpregs);
+#else
+#define fpinit(fpregs) do { } while (0)
+#endif
extern struct task_struct *last_task_used_math;