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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/m32r/kernel/irq.c
Initial import
Diffstat (limited to 'arch/m32r/kernel/irq.c')
-rw-r--r--arch/m32r/kernel/irq.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/m32r/kernel/irq.c b/arch/m32r/kernel/irq.c
new file mode 100644
index 000000000..c7272b894
--- /dev/null
+++ b/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;
+}