Merge branch 'master' into csb1725

[mv-sheeva.git] / arch / cris / include / arch-v10 / arch / irqflags.h

diff --git a/arch/cris/include/arch-v10/arch/irqflags.h b/arch/cris/include/arch-v10/arch/irqflags.h
new file mode 100644 (file)
index 0000000..75ef189
--- /dev/null
+++ b/arch/cris/include/arch-v10/arch/irqflags.h
@@ -0,0 +1,45 @@
+#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H
+#define __ASM_CRIS_ARCH_IRQFLAGS_H
+
+#include <linux/types.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+       unsigned long flags;
+       asm volatile("move $ccr,%0" : "=rm" (flags) : : "memory");
+       return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+       asm volatile("di" : : : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+       asm volatile("ei" : : : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+       unsigned long flags = arch_local_save_flags();
+       arch_local_irq_disable();
+       return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+       asm volatile("move %0,$ccr" : : "rm" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+       return !(flags & (1 << 5));
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+       return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */