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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * Mach Operating System
24 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
25 * All Rights Reserved.
26 *
27 * Permission to use, copy, modify and distribute this software and its
28 * documentation is hereby granted, provided that both the copyright
29 * notice and this permission notice appear in all copies of the
30 * software, derivative works or modified versions, and any portions
31 * thereof, and that both notices appear in supporting documentation.
32 *
33 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
34 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
35 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
36 *
37 * Carnegie Mellon requests users of this software to return to
38 *
39 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
40 * School of Computer Science
41 * Carnegie Mellon University
42 * Pittsburgh PA 15213-3890
43 *
44 * any improvements or extensions that they make and grant Carnegie Mellon
45 * the rights to redistribute these changes.
46 */
47/* File: machine.h
48 * Author: Avadis Tevanian, Jr.
49 * Date: 1986
50 *
51 * Machine independent machine abstraction.
52 */
53
54#ifndef _MACH_MACHINE_H_
55#define _MACH_MACHINE_H_
56
57#ifdef MACH_KERNEL_PRIVATE
58#include <cpus.h>
59#endif /* MACH_KERNEL_PRIVATE */
60
61#include <mach/machine/vm_types.h>
62#include <mach/boolean.h>
63
64/*
65 * For each host, there is a maximum possible number of
66 * cpus that may be available in the system. This is the
67 * compile-time constant NCPUS, which is defined in cpus.h.
68 *
69 * In addition, there is a machine_slot specifier for each
70 * possible cpu in the system.
71 */
72
73struct machine_info {
74 integer_t major_version; /* kernel major version id */
75 integer_t minor_version; /* kernel minor version id */
76 integer_t max_cpus; /* max number of cpus compiled */
77 integer_t avail_cpus; /* number actually available */
78 vm_size_t memory_size; /* size of memory in bytes */
79};
80
81typedef struct machine_info *machine_info_t;
82typedef struct machine_info machine_info_data_t; /* bogus */
83
84typedef integer_t cpu_type_t;
85typedef integer_t cpu_subtype_t;
86
87#define CPU_STATE_MAX 4
88
89#define CPU_STATE_USER 0
90#define CPU_STATE_SYSTEM 1
91#define CPU_STATE_IDLE 2
92#define CPU_STATE_NICE 3
93
94struct machine_slot {
95/*boolean_t*/integer_t is_cpu; /* is there a cpu in this slot? */
96 cpu_type_t cpu_type; /* type of cpu */
97 cpu_subtype_t cpu_subtype; /* subtype of cpu */
98/*boolean_t*/integer_t running; /* is cpu running */
99 integer_t cpu_ticks[CPU_STATE_MAX];
100 integer_t clock_freq; /* clock interrupt frequency */
101};
102
103typedef struct machine_slot *machine_slot_t;
104typedef struct machine_slot machine_slot_data_t; /* bogus */
105
106#ifdef KERNEL_PRIVATE
107extern struct machine_info machine_info;
108extern struct machine_slot machine_slot[];
109#endif
110
111/*
112 * Machine types known by all.
113 */
114
115#define CPU_TYPE_ANY ((cpu_type_t) -1)
116
117#define CPU_TYPE_VAX ((cpu_type_t) 1)
118/* skip ((cpu_type_t) 2) */
119/* skip ((cpu_type_t) 3) */
120/* skip ((cpu_type_t) 4) */
121/* skip ((cpu_type_t) 5) */
122#define CPU_TYPE_MC680x0 ((cpu_type_t) 6)
123#define CPU_TYPE_I386 ((cpu_type_t) 7)
124/* skip CPU_TYPE_MIPS ((cpu_type_t) 8) */
125/* skip ((cpu_type_t) 9) */
126#define CPU_TYPE_MC98000 ((cpu_type_t) 10)
127#define CPU_TYPE_HPPA ((cpu_type_t) 11)
128/* skip CPU_TYPE_ARM ((cpu_type_t) 12) */
129#define CPU_TYPE_MC88000 ((cpu_type_t) 13)
130#define CPU_TYPE_SPARC ((cpu_type_t) 14)
131#define CPU_TYPE_I860 ((cpu_type_t) 15)
132/* skip CPU_TYPE_ALPHA ((cpu_type_t) 16) */
133/* skip ((cpu_type_t) 17) */
134#define CPU_TYPE_POWERPC ((cpu_type_t) 18)
135
136
137/*
138 * Machine subtypes (these are defined here, instead of in a machine
139 * dependent directory, so that any program can get all definitions
140 * regardless of where is it compiled).
141 */
142
143/*
144 * Object files that are hand-crafted to run on any
145 * implementation of an architecture are tagged with
146 * CPU_SUBTYPE_MULTIPLE. This functions essentially the same as
147 * the "ALL" subtype of an architecture except that it allows us
148 * to easily find object files that may need to be modified
149 * whenever a new implementation of an architecture comes out.
150 *
151 * It is the responsibility of the implementor to make sure the
152 * software handles unsupported implementations elegantly.
153 */
154#define CPU_SUBTYPE_MULTIPLE ((cpu_subtype_t) -1)
155#define CPU_SUBTYPE_LITTLE_ENDIAN ((cpu_subtype_t) 0)
156#define CPU_SUBTYPE_BIG_ENDIAN ((cpu_subtype_t) 1)
157
158/*
159 * VAX subtypes (these do *not* necessary conform to the actual cpu
160 * ID assigned by DEC available via the SID register).
161 */
162
163#define CPU_SUBTYPE_VAX_ALL ((cpu_subtype_t) 0)
164#define CPU_SUBTYPE_VAX780 ((cpu_subtype_t) 1)
165#define CPU_SUBTYPE_VAX785 ((cpu_subtype_t) 2)
166#define CPU_SUBTYPE_VAX750 ((cpu_subtype_t) 3)
167#define CPU_SUBTYPE_VAX730 ((cpu_subtype_t) 4)
168#define CPU_SUBTYPE_UVAXI ((cpu_subtype_t) 5)
169#define CPU_SUBTYPE_UVAXII ((cpu_subtype_t) 6)
170#define CPU_SUBTYPE_VAX8200 ((cpu_subtype_t) 7)
171#define CPU_SUBTYPE_VAX8500 ((cpu_subtype_t) 8)
172#define CPU_SUBTYPE_VAX8600 ((cpu_subtype_t) 9)
173#define CPU_SUBTYPE_VAX8650 ((cpu_subtype_t) 10)
174#define CPU_SUBTYPE_VAX8800 ((cpu_subtype_t) 11)
175#define CPU_SUBTYPE_UVAXIII ((cpu_subtype_t) 12)
176
177/*
178 * 680x0 subtypes
179 *
180 * The subtype definitions here are unusual for historical reasons.
181 * NeXT used to consider 68030 code as generic 68000 code. For
182 * backwards compatability:
183 *
184 * CPU_SUBTYPE_MC68030 symbol has been preserved for source code
185 * compatability.
186 *
187 * CPU_SUBTYPE_MC680x0_ALL has been defined to be the same
188 * subtype as CPU_SUBTYPE_MC68030 for binary comatability.
189 *
190 * CPU_SUBTYPE_MC68030_ONLY has been added to allow new object
191 * files to be tagged as containing 68030-specific instructions.
192 */
193
194#define CPU_SUBTYPE_MC680x0_ALL ((cpu_subtype_t) 1)
195#define CPU_SUBTYPE_MC68030 ((cpu_subtype_t) 1) /* compat */
196#define CPU_SUBTYPE_MC68040 ((cpu_subtype_t) 2)
197#define CPU_SUBTYPE_MC68030_ONLY ((cpu_subtype_t) 3)
198
199/*
200 * I386 subtypes.
201 */
202
203#define CPU_SUBTYPE_I386_ALL ((cpu_subtype_t) 3)
204#define CPU_SUBTYPE_386 ((cpu_subtype_t) 3)
205#define CPU_SUBTYPE_486 ((cpu_subtype_t) 4)
206#define CPU_SUBTYPE_486SX ((cpu_subtype_t) 4 + 128)
207#define CPU_SUBTYPE_586 ((cpu_subtype_t) 5)
208#define CPU_SUBTYPE_INTEL(f, m) ((cpu_subtype_t) (f) + ((m) << 4))
209#define CPU_SUBTYPE_PENT CPU_SUBTYPE_INTEL(5, 0)
210#define CPU_SUBTYPE_PENTPRO CPU_SUBTYPE_INTEL(6, 1)
211#define CPU_SUBTYPE_PENTII_M3 CPU_SUBTYPE_INTEL(6, 3)
212#define CPU_SUBTYPE_PENTII_M5 CPU_SUBTYPE_INTEL(6, 5)
213
214#define CPU_SUBTYPE_INTEL_FAMILY(x) ((x) & 15)
215#define CPU_SUBTYPE_INTEL_FAMILY_MAX 15
216
217#define CPU_SUBTYPE_INTEL_MODEL(x) ((x) >> 4)
218#define CPU_SUBTYPE_INTEL_MODEL_ALL 0
219
220/*
221 * Mips subtypes.
222 */
223
224#define CPU_SUBTYPE_MIPS_ALL ((cpu_subtype_t) 0)
225#define CPU_SUBTYPE_MIPS_R2300 ((cpu_subtype_t) 1)
226#define CPU_SUBTYPE_MIPS_R2600 ((cpu_subtype_t) 2)
227#define CPU_SUBTYPE_MIPS_R2800 ((cpu_subtype_t) 3)
228#define CPU_SUBTYPE_MIPS_R2000a ((cpu_subtype_t) 4) /* pmax */
229#define CPU_SUBTYPE_MIPS_R2000 ((cpu_subtype_t) 5)
230#define CPU_SUBTYPE_MIPS_R3000a ((cpu_subtype_t) 6) /* 3max */
231#define CPU_SUBTYPE_MIPS_R3000 ((cpu_subtype_t) 7)
232
233/*
234 * MC98000 (PowerPC) subtypes
235 */
236#define CPU_SUBTYPE_MC98000_ALL ((cpu_subtype_t) 0)
237#define CPU_SUBTYPE_MC98601 ((cpu_subtype_t) 1)
238
239/*
240 * HPPA subtypes for Hewlett-Packard HP-PA family of
241 * risc processors. Port by NeXT to 700 series.
242 */
243
244#define CPU_SUBTYPE_HPPA_ALL ((cpu_subtype_t) 0)
245#define CPU_SUBTYPE_HPPA_7100 ((cpu_subtype_t) 0) /* compat */
246#define CPU_SUBTYPE_HPPA_7100LC ((cpu_subtype_t) 1)
247
248/*
249 * MC88000 subtypes.
250 */
251#define CPU_SUBTYPE_MC88000_ALL ((cpu_subtype_t) 0)
252#define CPU_SUBTYPE_MC88100 ((cpu_subtype_t) 1)
253#define CPU_SUBTYPE_MC88110 ((cpu_subtype_t) 2)
254
255/*
256 * SPARC subtypes
257 */
258#define CPU_SUBTYPE_SPARC_ALL ((cpu_subtype_t) 0)
259
260/*
261 * I860 subtypes
262 */
263#define CPU_SUBTYPE_I860_ALL ((cpu_subtype_t) 0)
264#define CPU_SUBTYPE_I860_860 ((cpu_subtype_t) 1)
265
266/*
267 * PowerPC subtypes
268 */
269#define CPU_SUBTYPE_POWERPC_ALL ((cpu_subtype_t) 0)
270#define CPU_SUBTYPE_POWERPC_601 ((cpu_subtype_t) 1)
271#define CPU_SUBTYPE_POWERPC_602 ((cpu_subtype_t) 2)
272#define CPU_SUBTYPE_POWERPC_603 ((cpu_subtype_t) 3)
273#define CPU_SUBTYPE_POWERPC_603e ((cpu_subtype_t) 4)
274#define CPU_SUBTYPE_POWERPC_603ev ((cpu_subtype_t) 5)
275#define CPU_SUBTYPE_POWERPC_604 ((cpu_subtype_t) 6)
276#define CPU_SUBTYPE_POWERPC_604e ((cpu_subtype_t) 7)
277#define CPU_SUBTYPE_POWERPC_620 ((cpu_subtype_t) 8)
278#define CPU_SUBTYPE_POWERPC_750 ((cpu_subtype_t) 9)
279#define CPU_SUBTYPE_POWERPC_7400 ((cpu_subtype_t) 10)
280#define CPU_SUBTYPE_POWERPC_7450 ((cpu_subtype_t) 11)
281
282#endif /* _MACH_MACHINE_H_ */