1 files changed, 77 insertions, 0 deletions

diff --git a/arch/mn10300/include/asm/irqflags.h b/arch/mn10300/include/asm/irqflags.h
index 5e529a117cb2..f1b64b256060 100644
--- a/arch/mn10300/include/asm/irqflags.h
+++ b/arch/mn10300/include/asm/irqflags.h
@@ -119,5 +119,82 @@ static inline void arch_safe_halt(void)
                 : "cc");
 }
 
+static inline void arch_local_cli(void)
+{
+        asm volatile(
+                "       and     %0,epsw         \n"
+                "       nop                     \n"
+                "       nop                     \n"
+                "       nop                     \n"
+                :
+                : "i"(~EPSW_IE)
+                : "memory"
+                );
+}
+
+static inline unsigned long arch_local_cli_save(void)
+{
+        unsigned long flags = arch_local_save_flags();
+        arch_local_cli();
+        return flags;
+}
+
+static inline void arch_local_sti(void)
+{
+        asm volatile(
+                "       or      %0,epsw         \n"
+                :
+                : "i"(EPSW_IE)
+                : "memory");
+}
+
+static inline void arch_local_change_intr_mask_level(unsigned long level)
+{
+        asm volatile(
+                "       and     %0,epsw         \n"
+                "       or      %1,epsw         \n"
+                :
+                : "i"(~EPSW_IM), "i"(EPSW_IE | level)
+                : "cc", "memory");
+}
+
+#else /* !__ASSEMBLY__ */
+
+#define LOCAL_SAVE_FLAGS(reg)                   \
+        mov     epsw,reg
+
+#define LOCAL_IRQ_DISABLE                               \
+        and     ~EPSW_IM,epsw;                          \
+        or      EPSW_IE|MN10300_CLI_LEVEL,epsw;         \
+        nop;                                            \
+        nop;                                            \
+        nop
+
+#define LOCAL_IRQ_ENABLE                \
+        or      EPSW_IE|EPSW_IM_7,epsw
+
+#define LOCAL_IRQ_RESTORE(reg)  \
+        mov     reg,epsw
+
+#define LOCAL_CLI_SAVE(reg)     \
+        mov     epsw,reg;       \
+        and     ~EPSW_IE,epsw;  \
+        nop;                    \
+        nop;                    \
+        nop
+
+#define LOCAL_CLI               \
+        and     ~EPSW_IE,epsw;  \
+        nop;                    \
+        nop;                    \
+        nop
+
+#define LOCAL_STI               \
+        or      EPSW_IE,epsw
+
+#define LOCAL_CHANGE_INTR_MASK_LEVEL(level)     \
+        and     ~EPSW_IM,epsw;                  \
+        or      EPSW_IE|(level),epsw
+
 #endif /* __ASSEMBLY__ */
 #endif /* _ASM_IRQFLAGS_H */