1 files changed, 43 insertions, 0 deletions

diff --git a/arch/h8300/include/asm/irqflags.h b/arch/h8300/include/asm/irqflags.h
new file mode 100644
index 00000000000..9617cd57aeb
--- /dev/null
+++ b/arch/h8300/include/asm/irqflags.h
@@ -0,0 +1,43 @@
+#ifndef _H8300_IRQFLAGS_H
+#define _H8300_IRQFLAGS_H
+
+static inline unsigned long arch_local_save_flags(void)
+{
+        unsigned long flags;
+        asm volatile ("stc ccr,%w0" : "=r" (flags));
+        return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+        asm volatile ("orc  #0x80,ccr" : : : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+        asm volatile ("andc #0x7f,ccr" : : : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+        unsigned long flags = arch_local_save_flags();
+        arch_local_irq_disable();
+        return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+        asm volatile ("ldc %w0,ccr" : : "r" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+        return (flags & 0x80) == 0x80;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+        return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* _H8300_IRQFLAGS_H */