Import of Linux/MIPS 2.1.36

1 files changed, 53 insertions, 0 deletions

diff --git a/include/asm-sparc64/irq.h b/include/asm-sparc64/irq.h
new file mode 100644
index 000000000..1a23abb72
--- /dev/null
+++ b/include/asm-sparc64/irq.h
@@ -0,0 +1,53 @@
+/* $Id: irq.h,v 1.4 1997/04/04 00:50:20 davem Exp $
+ * irq.h: IRQ registers on the 64-bit Sparc.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#ifndef _SPARC64_IRQ_H
+#define _SPARC64_IRQ_H
+
+#include <linux/linkage.h>
+
+#include <asm/system.h>     /* For NCPUS */
+
+#define NR_IRQS    15
+
+extern void disable_irq(unsigned int);
+extern void enable_irq(unsigned int);
+extern void init_timers(void (*lvl10_irq)(int, void *, struct pt_regs *));
+
+#ifdef __SMP__
+extern void set_cpu_int(int, int);
+extern void clear_cpu_int(int, int);
+extern void set_irq_udt(int);
+#endif
+
+extern int request_fast_irq(unsigned int irq,
+			    void (*handler)(int, void *, struct pt_regs *),
+			    unsigned long flags, __const__ char *devname);
+
+extern __inline__ void set_softint(unsigned long bits)
+{
+	__asm__ __volatile__("wr	%0, 0x0, %%set_softint"
+			     : /* No outputs */
+			     : "r" (bits));
+}
+
+extern __inline__ void clear_softint(unsigned long bits)
+{
+	__asm__ __volatile__("wr	%0, 0x0, %%clear_softint"
+			     : /* No outputs */
+			     : "r" (bits));
+}
+
+extern __inline__ unsigned long get_softint(void)
+{
+	unsigned long retval;
+
+	__asm__ __volatile__("rd	%%softint, %0"
+			     : "=r" (retval));
+	return retval;
+}
+
+#endif