xref: /minix/sys/arch/x86/include/cputypes.h (revision 0a6a1f1d)
1 /*	$NetBSD: cputypes.h,v 1.4 2013/12/08 18:08:34 dsl Exp $	*/
2 
3 /*
4  * Copyright (c) 1993 Christopher G. Demetriou
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 /*
31  * Classes of Processor. CPU identification code depends on
32  * this starting at 0, and having an increment of one.
33  */
34 
35 #define	CPUCLASS_386	0
36 #define	CPUCLASS_486	1
37 #define	CPUCLASS_586	2
38 #define	CPUCLASS_686	3
39 
40 /*
41  * Kinds of Processor. Only the first 7 are used, as they are processors
42  * that might not have a cpuid instruction.
43  */
44 
45 #define	CPU_386SX	0	/* Intel 80386SX */
46 #define	CPU_386		1	/* Intel 80386DX */
47 #define	CPU_486SX	2	/* Intel 80486SX */
48 #define	CPU_486		3	/* Intel 80486DX */
49 #define	CPU_486DLC	4	/* Cyrix 486DLC */
50 #define CPU_6x86	5	/* Cyrix/IBM 6x86 */
51 #define CPU_NX586	6	/* NexGen 586 */
52 #define	CPU_586		7	/* Intel P.....m (I hate lawyers; it's TM) */
53 #define CPU_AM586	8	/* AMD Am486 and Am5x86 */
54 #define CPU_K5		9	/* AMD K5 */
55 #define CPU_K6		10	/* NexGen 686 aka AMD K6 */
56 #define CPU_686		11	/* Intel Pentium Pro */
57 #define CPU_C6		12	/* IDT WinChip C6 */
58 #define CPU_TMX86	13	/* Transmeta TMx86 */
59 
60 /*
61  * CPU vendors
62  */
63 
64 #define CPUVENDOR_UNKNOWN	0
65 #define CPUVENDOR_INTEL		1
66 #define CPUVENDOR_CYRIX		2
67 #define CPUVENDOR_NEXGEN	3
68 #define CPUVENDOR_AMD		4
69 #define CPUVENDOR_IDT		5
70 #define CPUVENDOR_TRANSMETA	6
71 #define CPUVENDOR_VORTEX86	7
72 
73 /*
74  * Some other defines, dealing with values returned by cpuid.
75  */
76 
77 #define CPU_MINFAMILY	 4	/* Lowest that cpuid can return (486) */
78 #define CPU_MAXFAMILY	 7	/* Highest consecutive # we know (fake P4) */
79 #define CPU_FAMILY_P4	15	/* Family number for Pentium 4 */
80