1 files changed, 41 insertions, 0 deletions

diff --git a/include/asm-arm26/hardirq.h b/include/asm-arm26/hardirq.h
new file mode 100644
index 000000000000..791ee1da9bfa
--- /dev/null
+++ b/include/asm-arm26/hardirq.h
@@ -0,0 +1,41 @@
+#ifndef __ASM_HARDIRQ_H
+#define __ASM_HARDIRQ_H
+
+#include <linux/config.h>
+#include <linux/cache.h>
+#include <linux/threads.h>
+
+typedef struct {
+        unsigned int __softirq_pending;
+} ____cacheline_aligned irq_cpustat_t;
+
+#include <linux/irq_cpustat.h>  /* Standard mappings for irq_cpustat_t above */
+
+#define HARDIRQ_BITS    8
+
+/*
+ * The hardirq mask has to be large enough to have space
+ * for potentially all IRQ sources in the system nesting
+ * on a single CPU:
+ */
+#if (1 << HARDIRQ_BITS) < NR_IRQS
+# error HARDIRQ_BITS is too low!
+#endif
+
+#define irq_enter()             (preempt_count() += HARDIRQ_OFFSET)
+
+#ifndef CONFIG_SMP
+
+extern asmlinkage void __do_softirq(void);
+
+#define irq_exit()                                                      \
+        do {                                                            \
+                preempt_count() -= IRQ_EXIT_OFFSET;                     \
+                if (!in_interrupt() && local_softirq_pending())         \
+                        __do_softirq();                                 \
+                preempt_enable_no_resched();                            \
+        } while (0)
+#endif
+
+
+#endif /* __ASM_HARDIRQ_H */