Initial commit

arch/m32r/kernel/irq.c

@@ -0,0 +1,43 @@
+/*
+ * linux/arch/m32r/kernel/irq.c
+ *
+ *  Copyright (c) 2003, 2004  Hitoshi Yamamoto
+ *  Copyright (c) 2004  Hirokazu Takata <takata at linux-m32r.org>
+ */
+
+/*
+ *	linux/arch/i386/kernel/irq.c
+ *
+ *	Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
+ *
+ * This file contains the lowest level m32r-specific interrupt
+ * entry and irq statistics code. All the remaining irq logic is
+ * done by the generic kernel/irq/ code and in the
+ * m32r-specific irq controller code.
+ */
+
+#include <linux/kernel_stat.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <asm/uaccess.h>
+
+/*
+ * do_IRQ handles all normal device IRQs (the special
+ * SMP cross-CPU interrupts have their own specific
+ * handlers).
+ */
+asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs)
+{
+	struct pt_regs *old_regs;
+	old_regs = set_irq_regs(regs);
+	irq_enter();
+
+#ifdef CONFIG_DEBUG_STACKOVERFLOW
+	/* FIXME M32R */
+#endif
+	generic_handle_irq(irq);
+	irq_exit();
+	set_irq_regs(old_regs);
+
+	return 1;
+}