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+/* $NetBSD: undefined.h,v 1.4 2001/12/20 01:20:23 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1995-1996 Mark Brinicombe.
+ * Copyright (c) 1995 Brini.
+ * All rights reserved.
+ *
+ * This code is derived from software written for Brini by Mark Brinicombe
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Brini.
+ * 4. The name of the company nor the name of the author may be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * RiscBSD kernel project
+ *
+ * undefined.h
+ *
+ * Undefined instruction types, symbols and prototypes
+ *
+ * Created : 08/02/95
+ *
+ * $FreeBSD$
+ */
+
+
+#ifndef _MACHINE_UNDEFINED_H_
+#define _MACHINE_UNDEFINED_H_
+#ifdef _KERNEL
+
+#include <sys/queue.h>
+
+typedef int (*undef_handler_t) __P((unsigned int, unsigned int, trapframe_t *, int));
+
+#define FP_COPROC 1
+#define FP_COPROC2 2
+#define MAX_COPROCS 16
+
+/* Prototypes for undefined.c */
+
+void *install_coproc_handler __P((int, undef_handler_t));
+void remove_coproc_handler __P((void *));
+void undefined_init __P((void));
+
+/*
+ * XXX Stuff below here is for use before malloc() is available. Most code
+ * shouldn't use it.
+ */
+
+struct undefined_handler {
+ LIST_ENTRY(undefined_handler) uh_link;
+ undef_handler_t uh_handler;
+};
+
+/*
+ * Handlers installed using install_coproc_handler_static shouldn't be
+ * removed.
+ */
+void install_coproc_handler_static __P((int, struct undefined_handler *));
+
+/* Calls up to undefined.c from trap handlers */
+void undefinedinstruction(struct trapframe *);
+
+#endif
+
+/* End of undefined.h */
+
+#endif /* _MACHINE_UNDEFINED_H_ */
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