Source to osfmk/mach/machine.h


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/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @[email protected]
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @[email protected]
 */
/* 
 * 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  [email protected]
 *  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.
 */
/*	File:	machine.h
 *	Author:	Avadis Tevanian, Jr.
 *	Date:	1986
 *
 *	Machine independent machine abstraction.
 */

#ifndef	_MACH_MACHINE_H_
#define _MACH_MACHINE_H_

#ifdef  MACH_KERNEL_PRIVATE
#include <cpus.h> 
#endif  /* MACH_KERNEL_PRIVATE */
 
#include <mach/machine/vm_types.h>
#include <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		4

#define CPU_STATE_USER		0
#define CPU_STATE_SYSTEM	1
#define CPU_STATE_IDLE		2
#define CPU_STATE_NICE		3

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_PRIVATE
extern struct machine_info	machine_info;
extern struct machine_slot	machine_slot[];
#endif

/*
 *	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)	*/
/* skip				((cpu_type_t) 17)	*/
#define CPU_TYPE_POWERPC		((cpu_type_t) 18)


/*
 *	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_INTEL(f, m)	((cpu_subtype_t) (f) + ((m) << 4))
#define CPU_SUBTYPE_PENT	CPU_SUBTYPE_INTEL(5, 0)
#define CPU_SUBTYPE_PENTPRO	CPU_SUBTYPE_INTEL(6, 1)
#define CPU_SUBTYPE_PENTII_M3	CPU_SUBTYPE_INTEL(6, 3)
#define CPU_SUBTYPE_PENTII_M5	CPU_SUBTYPE_INTEL(6, 5)

#define CPU_SUBTYPE_INTEL_FAMILY(x)	((x) & 15)
#define CPU_SUBTYPE_INTEL_FAMILY_MAX	15

#define CPU_SUBTYPE_INTEL_MODEL(x)	((x) >> 4)
#define CPU_SUBTYPE_INTEL_MODEL_ALL	0

/*
 *	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)

/*
 *	PowerPC subtypes
 */
#define CPU_SUBTYPE_POWERPC_ALL		((cpu_subtype_t) 0)
#define CPU_SUBTYPE_POWERPC_601		((cpu_subtype_t) 1)
#define CPU_SUBTYPE_POWERPC_602		((cpu_subtype_t) 2)
#define CPU_SUBTYPE_POWERPC_603		((cpu_subtype_t) 3)
#define CPU_SUBTYPE_POWERPC_603e	((cpu_subtype_t) 4)
#define CPU_SUBTYPE_POWERPC_603ev	((cpu_subtype_t) 5)
#define CPU_SUBTYPE_POWERPC_604		((cpu_subtype_t) 6)
#define CPU_SUBTYPE_POWERPC_604e	((cpu_subtype_t) 7)
#define CPU_SUBTYPE_POWERPC_620		((cpu_subtype_t) 8)
#define CPU_SUBTYPE_POWERPC_750		((cpu_subtype_t) 9)
#define CPU_SUBTYPE_POWERPC_Max		((cpu_subtype_t) 10)

#endif	/* _MACH_MACHINE_H_ */