xref: /netbsd-src/sys/arch/m68k/include/fcode.h (revision 5971e316fdea024efff6be8f03536623db06833e)
1 /*	$NetBSD: fcode.h,v 1.1 2023/12/27 17:35:35 thorpej Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1982, 1990, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * from: Utah $Hdr: cpu.h 1.16 91/03/25$
37  *
38  *	@(#)cpu.h	8.4 (Berkeley) 1/5/94
39  */
40 
41 #ifndef _M68K_FCODE_H_
42 #define	_M68K_FCODE_H_
43 
44 /*
45  * 680x0 Function Codes.
46  *
47  * Section 4.2 of the 68030 User's Manual describes the address spaces
48  * selected by the Function Code:
49  *
50  *	FC2	FC1	FC0	Address space
51  *	-----------------------------------------------------------
52  *	 0	 0	 0	(Undefined, reserved for Motorola)
53  *	 0	 0	 1	User Data space
54  *	 0	 1	 0	User Program space
55  *	 0	 1	 1	(Undefined, reserved for user)
56  *	 1	 0	 0	(Undefined, reserved for Motorola)
57  *	 1	 0	 1	Supervisor Data space
58  *	 1	 1	 0	Supervisor Program space
59  *	 1	 1	 1	CPU space
60  */
61 #define	FC_UNDEF0	0
62 #define	FC_USERD	1	/* user data space */
63 #define	FC_USERP	2	/* user program space */
64 #define	FC_UNDEF3	3
65 #define	FC_UNDEF4	4
66 #define	FC_SUPERD	5	/* supervisor data space */
67 #define	FC_SUPERP	6	/* supervisor program space */
68 #define	FC_CPU		7	/* CPU space */
69 
70 #endif /* _M68K_FCODE_H_ */
71