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Diffstat (limited to 'kernel/arch/um/include/asm/irqflags.h')
-rw-r--r--kernel/arch/um/include/asm/irqflags.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/kernel/arch/um/include/asm/irqflags.h b/kernel/arch/um/include/asm/irqflags.h
new file mode 100644
index 000000000..c780d8a16
--- /dev/null
+++ b/kernel/arch/um/include/asm/irqflags.h
@@ -0,0 +1,42 @@
+#ifndef __UM_IRQFLAGS_H
+#define __UM_IRQFLAGS_H
+
+extern int get_signals(void);
+extern int set_signals(int enable);
+extern void block_signals(void);
+extern void unblock_signals(void);
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ return get_signals();
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ set_signals(flags);
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ unblock_signals();
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ block_signals();
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ flags = arch_local_save_flags();
+ arch_local_irq_disable();
+ return flags;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_local_save_flags() == 0;
+}
+
+#endif