Initial commit for OpenBSD/luna88k, based on OpenBSD/mvme88k, NetBSD/luna68k and CMU Mach.

1 files changed, 47 insertions, 0 deletions

diff --git a/sys/arch/luna88k/include/cpu_number.h b/sys/arch/luna88k/include/cpu_number.h
new file mode 100644
index 00000000000..c8d50b3ab6b
--- /dev/null
+++ b/sys/arch/luna88k/include/cpu_number.h
@@ -0,0 +1,47 @@
+/*	$OpenBSD: cpu_number.h,v 1.1 2004/04/21 15:23:57 aoyama Exp $	*/
+
+/*
+ * Mach Operating System
+ * Copyright (c) 1993-1992 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#ifndef	_M88K_CPU_NUMBER_
+#define _M88K_CPU_NUMBER_
+
+#ifdef	_KERNEL
+#ifndef _LOCORE
+#include <machine/param.h>
+
+static unsigned cpu_number(void);
+
+static __inline__ unsigned cpu_number(void)
+{
+	unsigned cpu;
+
+	__asm__ ("ldcr %0, cr18" : "=r" (cpu));
+	return (cpu & 3);
+}
+#endif /* _LOCORE */
+#endif /* _KERNEL */
+#endif /* _M88K_CPU_NUMBER_ */