Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / parisc / include / asm / irqflags.h

diff --git a/kernel/arch/parisc/include/asm/irqflags.h b/kernel/arch/parisc/include/asm/irqflags.h
new file mode 100644 (file)
index 0000000..34f9cb9
--- /dev/null
+++ b/kernel/arch/parisc/include/asm/irqflags.h
@@ -0,0 +1,46 @@
+#ifndef __PARISC_IRQFLAGS_H
+#define __PARISC_IRQFLAGS_H
+
+#include <linux/types.h>
+#include <asm/psw.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+       unsigned long flags;
+       asm volatile("ssm 0, %0" : "=r" (flags) : : "memory");
+       return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+       asm volatile("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+       asm volatile("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+       unsigned long flags;
+       asm volatile("rsm %1,%0" : "=r" (flags) : "i" (PSW_I) : "memory");
+       return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+       asm volatile("mtsm %0" : : "r" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+       return (flags & PSW_I) == 0;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+       return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* __PARISC_IRQFLAGS_H */