patch-2.1.106 linux/arch/m68k/hp300/ints.c

• Lines: 49
• Date: Sat Jun 13 13:14:31 1998
• Orig file: v2.1.105/linux/arch/m68k/hp300/ints.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.105/linux/arch/m68k/hp300/ints.c linux/arch/m68k/hp300/ints.c
@@ -0,0 +1,48 @@
+/*
+ *  linux/arch/m68k/hp300/ints.c
+ *
+ *  Copyright (C) 1998 Philip Blundell <philb@gnu.org>
+ *
+ *  This file contains the HP300-specific interrupt handling.  There
+ *  isn't much here -- we only use the autovector interrupts and at the
+ *  moment everything difficult is handled by the generic code.
+ */
+
+#include <linux/config.h>
+#include <asm/ptrace.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/kernel_stat.h>
+#include <linux/interrupt.h>
+#include <asm/machdep.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/traps.h>
+#include "ints.h"
+
+static void hp300_nmi_handler(int irq, void *dev_id, struct pt_regs *fp)
+{
+  extern void hp300_reset(void);
+  printk("RESET pressed - self destruct sequence initiated.\n");
+  hp300_reset();
+}
+
+int hp300_request_irq(unsigned int irq,
+		void (*handler) (int, void *, struct pt_regs *),
+		unsigned long flags, const char *devname, void *dev_id)
+{
+  return sys_request_irq(irq, handler, flags, devname, dev_id);
+}
+
+void hp300_free_irq(unsigned int irq, void *dev_id)
+{
+  sys_free_irq(irq, dev_id);
+}
+
+__initfunc(void hp300_init_IRQ(void))
+{
+  /* IPL6 - NMI (keyboard reset) */
+  sys_request_irq(7, hp300_nmi_handler, IRQ_FLG_STD, "NMI", hp300_nmi_handler);
+}