sh: Convert to asm-generic/irqflags.h.

This simplifies the irqflags support by switching over to the asm-generic
version. The necessary support functions are brought out-of-line for both
SHcompact and SHmedia instruction sets.

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

1 files changed, 26 insertions, 0 deletions

diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h
index 8e4a03e7966c..ab1dd917ea87 100644
--- a/arch/sh/include/asm/system_64.h
+++ b/arch/sh/include/asm/system_64.h
@@ -12,6 +12,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
+#include <cpu/registers.h>
 #include <asm/processor.h>
 
 /*
@@ -47,4 +48,29 @@ static inline reg_size_t register_align(void *val)
         return (unsigned long long)(signed long long)(signed long)val;
 }
 
+#define SR_BL_LL        0x0000000010000000LL
+
+static inline void set_bl_bit(void)
+{
+        unsigned long long __dummy0, __dummy1 = SR_BL_LL;
+
+        __asm__ __volatile__("getcon    " __SR ", %0\n\t"
+                             "or        %0, %1, %0\n\t"
+                             "putcon    %0, " __SR "\n\t"
+                             : "=&r" (__dummy0)
+                             : "r" (__dummy1));
+
+}
+
+static inline void clear_bl_bit(void)
+{
+        unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
+
+        __asm__ __volatile__("getcon    " __SR ", %0\n\t"
+                             "and       %0, %1, %0\n\t"
+                             "putcon    %0, " __SR "\n\t"
+                             : "=&r" (__dummy0)
+                             : "r" (__dummy1));
+}
+
 #endif /* __ASM_SH_SYSTEM_64_H */