sh: Have SH-5 provide an {en,dis}able_fpu() impl.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 13 insertions, 2 deletions

diff --git a/include/asm-sh/processor_64.h b/include/asm-sh/processor_64.h
index ecd6b403f7db..312fd73fb87e 100644
--- a/include/asm-sh/processor_64.h
+++ b/include/asm-sh/processor_64.h
@@ -18,6 +18,7 @@
 #include <asm/page.h>
 #include <asm/types.h>
 #include <asm/cache.h>
+#include <asm/ptrace.h>
 #include <asm/cpu/registers.h>
 
 /*
@@ -218,7 +219,7 @@ extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
  * FPU lazy state save handling.
  */
 
-static inline void release_fpu(void)
+static inline void disable_fpu(void)
 {
         unsigned long long __dummy;
 
@@ -230,7 +231,7 @@ static inline void release_fpu(void)
                              : "r" (SR_FD));
 }
 
-static inline void grab_fpu(void)
+static inline void enable_fpu(void)
 {
         unsigned long long __dummy;
 
@@ -242,6 +243,16 @@ static inline void grab_fpu(void)
                              : "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.  */