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[apple/xnu.git] / osfmk / mach / machine.h

/*
 * Copyright (c) 2000-2007 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
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 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/* 
 * 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.
 */
/*	File:	machine.h
 *	Author:	Avadis Tevanian, Jr.
 *	Date:	1986
 *
 *	Machine independent machine abstraction.
 */

#ifndef	_MACH_MACHINE_H_
#define _MACH_MACHINE_H_

#include <stdint.h>
#include <mach/machine/vm_types.h>
#include <mach/boolean.h>

typedef integer_t	cpu_type_t;
typedef integer_t	cpu_subtype_t;
typedef integer_t	cpu_threadtype_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

#ifdef	KERNEL_PRIVATE

#include <sys/cdefs.h>

__BEGIN_DECLS
cpu_type_t			cpu_type(void);

cpu_subtype_t		cpu_subtype(void);

cpu_threadtype_t	cpu_threadtype(void);
__END_DECLS

#ifdef	MACH_KERNEL_PRIVATE

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 possible */
	uint32_t	memory_size;		/* size of memory in bytes, capped at 2 GB */
	uint64_t	max_mem;			/* actual size of physical memory */
	uint32_t	physical_cpu;		/* number of physical CPUs now available */
	integer_t	physical_cpu_max;	/* max number of physical CPUs possible */
	uint32_t	logical_cpu;		/* number of logical cpu now available */
	integer_t	logical_cpu_max;	/* max number of physical CPUs possible */
};

typedef struct machine_info	*machine_info_t;
typedef struct machine_info	machine_info_data_t;

extern struct machine_info	machine_info;

__BEGIN_DECLS
cpu_type_t			slot_type(
						int		slot_num);

cpu_subtype_t		slot_subtype(
						int		slot_num);

cpu_threadtype_t	slot_threadtype(
						int		slot_num);
__END_DECLS

#endif	/* MACH_KERNEL_PRIVATE */
#endif	/* KERNEL_PRIVATE */


/*
 * Capability bits used in the definition of cpu_type.
 */
#define	CPU_ARCH_MASK	0xff000000		/* mask for architecture bits */
#define CPU_ARCH_ABI64	0x01000000		/* 64 bit ABI */

/*
 *	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_X86		((cpu_type_t) 7)
#define CPU_TYPE_I386		CPU_TYPE_X86		/* compatibility */
#define	CPU_TYPE_X86_64		(CPU_TYPE_X86 | CPU_ARCH_ABI64)

/* 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)
#define 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)
#define CPU_TYPE_POWERPC64		(CPU_TYPE_POWERPC | CPU_ARCH_ABI64)

/*
 *	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).
 */

/*
 * Capability bits used in the definition of cpu_subtype.
 */
#define CPU_SUBTYPE_MASK	0xff000000	/* mask for feature flags */
#define CPU_SUBTYPE_LIB64	0x80000000	/* 64 bit libraries */


/*
 *	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)

/*
 *     Machine threadtypes.
 *     This is none - not defined - for most machine types/subtypes.
 */
#define CPU_THREADTYPE_NONE		((cpu_threadtype_t) 0)

/*
 *	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_INTEL(f, m)	((cpu_subtype_t) (f) + ((m) << 4))

#define	CPU_SUBTYPE_I386_ALL			CPU_SUBTYPE_INTEL(3, 0)
#define CPU_SUBTYPE_386					CPU_SUBTYPE_INTEL(3, 0)
#define CPU_SUBTYPE_486					CPU_SUBTYPE_INTEL(4, 0)
#define CPU_SUBTYPE_486SX				CPU_SUBTYPE_INTEL(4, 8)	// 8 << 4 = 128
#define CPU_SUBTYPE_586					CPU_SUBTYPE_INTEL(5, 0)
#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_CELERON				CPU_SUBTYPE_INTEL(7, 6)
#define CPU_SUBTYPE_CELERON_MOBILE		CPU_SUBTYPE_INTEL(7, 7)
#define CPU_SUBTYPE_PENTIUM_3			CPU_SUBTYPE_INTEL(8, 0)
#define CPU_SUBTYPE_PENTIUM_3_M			CPU_SUBTYPE_INTEL(8, 1)
#define CPU_SUBTYPE_PENTIUM_3_XEON		CPU_SUBTYPE_INTEL(8, 2)
#define CPU_SUBTYPE_PENTIUM_M			CPU_SUBTYPE_INTEL(9, 0)
#define CPU_SUBTYPE_PENTIUM_4			CPU_SUBTYPE_INTEL(10, 0)
#define CPU_SUBTYPE_PENTIUM_4_M			CPU_SUBTYPE_INTEL(10, 1)
#define CPU_SUBTYPE_ITANIUM				CPU_SUBTYPE_INTEL(11, 0)
#define CPU_SUBTYPE_ITANIUM_2			CPU_SUBTYPE_INTEL(11, 1)
#define CPU_SUBTYPE_XEON				CPU_SUBTYPE_INTEL(12, 0)
#define CPU_SUBTYPE_XEON_MP				CPU_SUBTYPE_INTEL(12, 1)

#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

/*
 *	X86 subtypes.
 */

#define CPU_SUBTYPE_X86_ALL		((cpu_subtype_t)3)
#define CPU_SUBTYPE_X86_64_ALL		((cpu_subtype_t)3)
#define CPU_SUBTYPE_X86_ARCH1		((cpu_subtype_t)4)


#define CPU_THREADTYPE_INTEL_HTT	((cpu_threadtype_t) 1)

/*
 *	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_7400	((cpu_subtype_t) 10)
#define CPU_SUBTYPE_POWERPC_7450	((cpu_subtype_t) 11)
#define CPU_SUBTYPE_POWERPC_970		((cpu_subtype_t) 100)

/*
 *	ARM subtypes
 */
#define CPU_SUBTYPE_ARM_ALL             ((cpu_subtype_t) 0)
#define CPU_SUBTYPE_ARM_V4T             ((cpu_subtype_t) 5)
#define CPU_SUBTYPE_ARM_V6              ((cpu_subtype_t) 6)
#define CPU_SUBTYPE_ARM_V5TEJ           ((cpu_subtype_t) 7)
#define CPU_SUBTYPE_ARM_XSCALE		((cpu_subtype_t) 8)

/*
 *	CPU families (sysctl hw.cpufamily)
 *
 * These are meant to identify the CPU's marketing name - an
 * application can map these to (possibly) localized strings.
 * NB: the encodings of the CPU families are intentionally arbitrary.
 * There is no ordering, and you should never try to deduce whether
 * or not some feature is available based on the family.
 * Use feature flags (eg, hw.optional.altivec) to test for optional
 * functionality.
 */
#define CPUFAMILY_UNKNOWN    0
#define CPUFAMILY_POWERPC_G3 0xcee41549
#define CPUFAMILY_POWERPC_G4 0x77c184ae
#define CPUFAMILY_POWERPC_G5 0xed76d8aa
#define CPUFAMILY_INTEL_6_13 0xaa33392b
#define CPUFAMILY_INTEL_6_14 0x73d67300  /* "Intel Core Solo" and "Intel Core Duo" (32-bit Pentium-M with SSE3) */
#define CPUFAMILY_INTEL_6_15 0x426f69ef  /* "Intel Core 2 Duo" */
#define CPUFAMILY_INTEL_6_23 0x78ea4fbc  /* Penryn */
#define CPUFAMILY_INTEL_6_26 0x6b5a4cd2  /* Nehalem */
#define CPUFAMILY_ARM_9      0xe73283ae
#define CPUFAMILY_ARM_11     0x8ff620d8
#define CPUFAMILY_ARM_XSCALE 0x53b005f5

#define CPUFAMILY_INTEL_YONAH	CPUFAMILY_INTEL_6_14
#define CPUFAMILY_INTEL_MEROM	CPUFAMILY_INTEL_6_15
#define CPUFAMILY_INTEL_PENRYN	CPUFAMILY_INTEL_6_23
#define CPUFAMILY_INTEL_NEHALEM	CPUFAMILY_INTEL_6_26

#define CPUFAMILY_INTEL_CORE	CPUFAMILY_INTEL_6_14
#define CPUFAMILY_INTEL_CORE2	CPUFAMILY_INTEL_6_15

#endif	/* _MACH_MACHINE_H_ */