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mach
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machine.h
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1997-04-27
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/*
* Mach Operating System
* Copyright (c) 1991,1990,1989,1988,1987 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.
*/
/*
* HISTORY
* $Log: machine.h,v $
* Revision 2.17 93/02/04 07:49:46 danner
* PS2 support.
* [93/01/18 prithvi]
*
* Revision 2.16 93/01/14 17:44:40 danner
* Cleanup.
* [92/06/10 pds]
* Added Alpha architecture, and some initial machine types.
* [92/06/06 af]
*
* Revision 2.15 92/08/03 17:18:04 jfriedl
* Added pc532.
* [92/05/15 jvh]
*
* Revision 2.14 92/02/19 15:08:38 elf
* Added more Sparc subtypes.
* [92/02/19 rpd]
*
* Revision 2.13 91/12/10 16:32:50 jsb
* Fixes from Intel
* [91/12/10 15:51:57 jsb]
*
* Revision 2.12 91/07/31 17:53:56 dbg
* Remove declaration of interrupt_stack - it is machine-dependent.
* Changed CPU_SUBTYPE_LUNA88K - there's already a (potential)
* mc88000 port.
* [91/07/26 dbg]
*
* Revision 2.11 91/07/09 23:22:06 danner
* Added CPU_SUBTYPE_LUNA88K
* [91/05/06 danner]
*
* Revision 2.10 91/05/14 16:55:24 mrt
* Correcting copyright
*
* Revision 2.9 91/05/08 12:49:54 dbg
* Add CPU_SUBTYPE_SYMMETRY.
* [91/04/26 14:44:44 dbg]
*
* Revision 2.8 91/02/05 17:33:48 mrt
* Changed to new Mach copyright
* [91/02/01 17:18:51 mrt]
*
* Revision 2.7 90/12/04 14:51:27 jsb
* Renamed CPU_SUBTYPE_iPSC2 as CPU_SUBTYPE_iPSC386.
* [90/12/03 22:22:25 jsb]
*
* Revision 2.6 90/11/25 17:48:28 jsb
* Added CPU_TYPE_I860 and CPU_SUBTYPE_iPSC860.
* [90/11/25 16:51:44 jsb]
*
* Revision 2.5 90/09/23 17:45:42 jsb
* Added CPU_SUBTYPE_iPSC2.
* [90/09/21 16:43:01 jsb]
*
* Revision 2.4 90/08/07 22:23:05 rpd
* Added new MIPS subtypes for R3000, fix old defs.
* [90/08/07 15:54:40 af]
*
* Revision 2.2.4.1 90/06/11 10:59:52 af
* Added new MIPS subtypes for R3000, fix old defs.
*
* Revision 2.3 90/06/02 14:58:47 rpd
* Picked up new cpu types.
* [90/03/26 22:34:38 rpd]
*
* Revision 2.2 89/11/29 14:09:32 af
* Changes for MACH_KERNEL:
* . Removed should_exit.
*
* 17-May-1989 Randall W. Dean (rwd)
* changed machine/vm_types.h to mach/vm_param.h
* [89/05/23 dbg]
*
* Revision 2.1 89/08/03 16:02:33 rwd
* Created.
*
* Revision 2.11 89/04/18 16:43:32 mwyoung
* Use <machine/vm_types.h> rather than <vm/vm_param.h> to get
* VM types. Remove old history... none of it was insightful.
*
* The variable declarations should be moved elsewhere.
* [89/01/24 mwyoung]
*
*/
/* File: machine.h
* Author: Avadis Tevanian, Jr.
* Date: 1986
*
* Machine independent machine abstraction.
*/
#ifndef _MACH_MACHINE_H_
#define _MACH_MACHINE_H_
#import <mach/machine/vm_types.h>
#import <mach/boolean.h>
/*
* For each host, there is a maximum possible number of
* cpus that may be available in the system. This is the
* compile-time constant NCPUS, which is defined in cpus.h.
*
* In addition, there is a machine_slot specifier for each
* possible cpu in the system.
*/
struct machine_info {
integer_t major_version; /* kernel major version id */
integer_t minor_version; /* kernel minor version id */
integer_t max_cpus; /* max number of cpus compiled */
integer_t avail_cpus; /* number actually available */
vm_size_t memory_size; /* size of memory in bytes */
};
typedef struct machine_info *machine_info_t;
typedef struct machine_info machine_info_data_t; /* bogus */
typedef integer_t cpu_type_t;
typedef integer_t cpu_subtype_t;
#define CPU_STATE_MAX 3
#define CPU_STATE_USER 0
#define CPU_STATE_SYSTEM 1
#define CPU_STATE_IDLE 2
struct machine_slot {
/*boolean_t*/integer_t is_cpu; /* is there a cpu in this slot? */
cpu_type_t cpu_type; /* type of cpu */
cpu_subtype_t cpu_subtype; /* subtype of cpu */
/*boolean_t*/integer_t running; /* is cpu running */
integer_t cpu_ticks[CPU_STATE_MAX];
integer_t clock_freq; /* clock interrupt frequency */
};
typedef struct machine_slot *machine_slot_t;
typedef struct machine_slot machine_slot_data_t; /* bogus */
#ifdef KERNEL
extern struct machine_info machine_info;
extern struct machine_slot machine_slot[];
extern vm_offset_t interrupt_stack[];
#endif KERNEL
/*
* Machine types known by all.
*/
#define CPU_TYPE_ANY ((cpu_type_t) -1)
#define CPU_TYPE_VAX ((cpu_type_t) 1)
/* skip ((cpu_type_t) 2) */
/* skip ((cpu_type_t) 3) */
/* skip ((cpu_type_t) 4) */
/* skip ((cpu_type_t) 5) */
#define CPU_TYPE_MC680x0 ((cpu_type_t) 6)
#define CPU_TYPE_I386 ((cpu_type_t) 7)
/* skip CPU_TYPE_MIPS ((cpu_type_t) 8) */
/* skip ((cpu_type_t) 9) */
#define CPU_TYPE_MC98000 ((cpu_type_t) 10)
#define CPU_TYPE_HPPA ((cpu_type_t) 11)
/* skip CPU_TYPE_ARM ((cpu_type_t) 12) */
#define CPU_TYPE_MC88000 ((cpu_type_t) 13)
#define CPU_TYPE_SPARC ((cpu_type_t) 14)
#define CPU_TYPE_I860 ((cpu_type_t) 15)
/* skip CPU_TYPE_ALPHA ((cpu_type_t) 16) */
/*
* Machine subtypes (these are defined here, instead of in a machine
* dependent directory, so that any program can get all definitions
* regardless of where is it compiled).
*/
/*
* Object files that are hand-crafted to run on any
* implementation of an architecture are tagged with
* CPU_SUBTYPE_MULTIPLE. This functions essentially the same as
* the "ALL" subtype of an architecture except that it allows us
* to easily find object files that may need to be modified
* whenever a new implementation of an architecture comes out.
*
* It is the responsibility of the implementor to make sure the
* software handles unsupported implementations elegantly.
*/
#define CPU_SUBTYPE_MULTIPLE ((cpu_subtype_t) -1)
#define CPU_SUBTYPE_LITTLE_ENDIAN ((cpu_subtype_t) 0)
#define CPU_SUBTYPE_BIG_ENDIAN ((cpu_subtype_t) 1)
/*
* VAX subtypes (these do *not* necessary conform to the actual cpu
* ID assigned by DEC available via the SID register).
*/
#define CPU_SUBTYPE_VAX_ALL ((cpu_subtype_t) 0)
#define CPU_SUBTYPE_VAX780 ((cpu_subtype_t) 1)
#define CPU_SUBTYPE_VAX785 ((cpu_subtype_t) 2)
#define CPU_SUBTYPE_VAX750 ((cpu_subtype_t) 3)
#define CPU_SUBTYPE_VAX730 ((cpu_subtype_t) 4)
#define CPU_SUBTYPE_UVAXI ((cpu_subtype_t) 5)
#define CPU_SUBTYPE_UVAXII ((cpu_subtype_t) 6)
#define CPU_SUBTYPE_VAX8200 ((cpu_subtype_t) 7)
#define CPU_SUBTYPE_VAX8500 ((cpu_subtype_t) 8)
#define CPU_SUBTYPE_VAX8600 ((cpu_subtype_t) 9)
#define CPU_SUBTYPE_VAX8650 ((cpu_subtype_t) 10)
#define CPU_SUBTYPE_VAX8800 ((cpu_subtype_t) 11)
#define CPU_SUBTYPE_UVAXIII ((cpu_subtype_t) 12)
/*
* 680x0 subtypes
*
* The subtype definitions here are unusual for historical reasons.
* NeXT used to consider 68030 code as generic 68000 code. For
* backwards compatability:
*
* CPU_SUBTYPE_MC68030 symbol has been preserved for source code
* compatability.
*
* CPU_SUBTYPE_MC680x0_ALL has been defined to be the same
* subtype as CPU_SUBTYPE_MC68030 for binary comatability.
*
* CPU_SUBTYPE_MC68030_ONLY has been added to allow new object
* files to be tagged as containing 68030-specific instructions.
*/
#define CPU_SUBTYPE_MC680x0_ALL ((cpu_subtype_t) 1)
#define CPU_SUBTYPE_MC68030 ((cpu_subtype_t) 1) /* compat */
#define CPU_SUBTYPE_MC68040 ((cpu_subtype_t) 2)
#define CPU_SUBTYPE_MC68030_ONLY ((cpu_subtype_t) 3)
/*
* I386 subtypes.
*/
#define CPU_SUBTYPE_I386_ALL ((cpu_subtype_t) 3)
#define CPU_SUBTYPE_386 ((cpu_subtype_t) 3)
#define CPU_SUBTYPE_486 ((cpu_subtype_t) 4)
#define CPU_SUBTYPE_486SX ((cpu_subtype_t) 4 + 128)
#define CPU_SUBTYPE_586 ((cpu_subtype_t) 5)
#define CPU_SUBTYPE_586SX ((cpu_subtype_t) 5 + 128)
/*
* Mips subtypes.
*/
#define CPU_SUBTYPE_MIPS_ALL ((cpu_subtype_t) 0)
#define CPU_SUBTYPE_MIPS_R2300 ((cpu_subtype_t) 1)
#define CPU_SUBTYPE_MIPS_R2600 ((cpu_subtype_t) 2)
#define CPU_SUBTYPE_MIPS_R2800 ((cpu_subtype_t) 3)
#define CPU_SUBTYPE_MIPS_R2000a ((cpu_subtype_t) 4) /* pmax */
#define CPU_SUBTYPE_MIPS_R2000 ((cpu_subtype_t) 5)
#define CPU_SUBTYPE_MIPS_R3000a ((cpu_subtype_t) 6) /* 3max */
#define CPU_SUBTYPE_MIPS_R3000 ((cpu_subtype_t) 7)
/*
* MC98000 (PowerPC) subtypes
*/
#define CPU_SUBTYPE_MC98000_ALL ((cpu_subtype_t) 0)
#define CPU_SUBTYPE_MC98601 ((cpu_subtype_t) 1)
/*
* HPPA subtypes for Hewlett-Packard HP-PA family of
* risc processors. Port by NeXT to 700 series.
*/
#define CPU_SUBTYPE_HPPA_ALL ((cpu_subtype_t) 0)
#define CPU_SUBTYPE_HPPA_7100 ((cpu_subtype_t) 0) /* compat */
#define CPU_SUBTYPE_HPPA_7100LC ((cpu_subtype_t) 1)
/*
* MC88000 subtypes.
*/
#define CPU_SUBTYPE_MC88000_ALL ((cpu_subtype_t) 0)
#define CPU_SUBTYPE_MC88100 ((cpu_subtype_t) 1)
#define CPU_SUBTYPE_MC88110 ((cpu_subtype_t) 2)
/*
* SPARC subtypes
*/
#define CPU_SUBTYPE_SPARC_ALL ((cpu_subtype_t) 0)
/*
* I860 subtypes
*/
#define CPU_SUBTYPE_I860_ALL ((cpu_subtype_t) 0)
#define CPU_SUBTYPE_I860_860 ((cpu_subtype_t) 1)
#endif _MACH_MACHINE_H_