osfmk/mach/machine.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * Mach Operating System
  30  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  31  * All Rights Reserved.
  32  *
  33  * Permission to use, copy, modify and distribute this software and its
  34  * documentation is hereby granted, provided that both the copyright
  35  * notice and this permission notice appear in all copies of the
  36  * software, derivative works or modified versions, and any portions
  37  * thereof, and that both notices appear in supporting documentation.
  38  *
  39  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  40  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  41  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  42  *
  43  * Carnegie Mellon requests users of this software to return to
  44  *
  45  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  46  *  School of Computer Science
  47  *  Carnegie Mellon University
  48  *  Pittsburgh PA 15213-3890
  49  *
  50  * any improvements or extensions that they make and grant Carnegie Mellon
  51  * the rights to redistribute these changes.
  52  */
  53 /*      File:   machine.h
  54  *      Author: Avadis Tevanian, Jr.
  55  *      Date:   1986
  56  *
  57  *      Machine independent machine abstraction.
  58  */
  59
  60 #ifndef _MACH_MACHINE_H_
  61 #define _MACH_MACHINE_H_
  62
  63 #include <stdint.h>
  64 #include <mach/machine/vm_types.h>
  65 #include <mach/boolean.h>
  66
  67 typedef integer_t       cpu_type_t;
  68 typedef integer_t       cpu_subtype_t;
  69 typedef integer_t       cpu_threadtype_t;
  70
  71 #define CPU_STATE_MAX           4
  72
  73 #define CPU_STATE_USER          0
  74 #define CPU_STATE_SYSTEM        1
  75 #define CPU_STATE_IDLE          2
  76 #define CPU_STATE_NICE          3
  77
  78 #ifdef  KERNEL_PRIVATE
  79
  80 #include <sys/cdefs.h>
  81
  82 __BEGIN_DECLS
  83 cpu_type_t                      cpu_type(void);
  84
  85 cpu_subtype_t           cpu_subtype(void);
  86
  87 cpu_threadtype_t        cpu_threadtype(void);
  88 __END_DECLS
  89
  90 #ifdef  MACH_KERNEL_PRIVATE
  91
  92 struct machine_info {
  93         integer_t       major_version;          /* kernel major version id */
  94         integer_t       minor_version;          /* kernel minor version id */
  95         integer_t       max_cpus;                       /* max number of CPUs possible */
  96         integer_t       avail_cpus;                     /* number of CPUs now available */
  97         uint32_t        memory_size;            /* size of memory in bytes, capped at 2 GB */
  98         uint64_t        max_mem;                        /* actual size of physical memory */
  99         integer_t       physical_cpu;           /* number of physical CPUs now available */
 100         integer_t       physical_cpu_max;       /* max number of physical CPUs possible */
 101         integer_t       logical_cpu;            /* number of logical cpu now available */
 102         integer_t       logical_cpu_max;        /* max number of physical CPUs possible */
 103 };
 104
 105 typedef struct machine_info     *machine_info_t;
 106 typedef struct machine_info     machine_info_data_t;
 107
 108 extern struct machine_info      machine_info;
 109
 110 __BEGIN_DECLS
 111 cpu_type_t                      slot_type(
 112                                                 int             slot_num);
 113
 114 cpu_subtype_t           slot_subtype(
 115                                                 int             slot_num);
 116
 117 cpu_threadtype_t        slot_threadtype(
 118                                                 int             slot_num);
 119 __END_DECLS
 120
 121 #endif  /* MACH_KERNEL_PRIVATE */
 122 #endif  /* KERNEL_PRIVATE */
 123
 124
 125 /*
 126  * Capability bits used in the definition of cpu_type.
 127  */
 128 #define CPU_ARCH_MASK   0xff000000              /* mask for architecture bits */
 129 #define CPU_ARCH_ABI64  0x01000000              /* 64 bit ABI */
 130
 131 /*
 132  *      Machine types known by all.
 133  */
 134
 135 #define CPU_TYPE_ANY            ((cpu_type_t) -1)
 136
 137 #define CPU_TYPE_VAX            ((cpu_type_t) 1)
 138 /* skip                         ((cpu_type_t) 2)        */
 139 /* skip                         ((cpu_type_t) 3)        */
 140 /* skip                         ((cpu_type_t) 4)        */
 141 /* skip                         ((cpu_type_t) 5)        */
 142 #define CPU_TYPE_MC680x0        ((cpu_type_t) 6)
 143 #define CPU_TYPE_X86            ((cpu_type_t) 7)
 144 #define CPU_TYPE_I386           CPU_TYPE_X86            /* compatibility */
 145 #define CPU_TYPE_X86_64         (CPU_TYPE_X86 | CPU_ARCH_ABI64)
 146
 147 /* skip CPU_TYPE_MIPS           ((cpu_type_t) 8)        */
 148 /* skip                         ((cpu_type_t) 9)        */
 149 #define CPU_TYPE_MC98000        ((cpu_type_t) 10)
 150 #define CPU_TYPE_HPPA           ((cpu_type_t) 11)
 151 /* skip CPU_TYPE_ARM            ((cpu_type_t) 12)       */
 152 #define CPU_TYPE_MC88000        ((cpu_type_t) 13)
 153 #define CPU_TYPE_SPARC          ((cpu_type_t) 14)
 154 #define CPU_TYPE_I860           ((cpu_type_t) 15)
 155 /* skip CPU_TYPE_ALPHA          ((cpu_type_t) 16)       */
 156 /* skip                         ((cpu_type_t) 17)       */
 157 #define CPU_TYPE_POWERPC                ((cpu_type_t) 18)
 158 #define CPU_TYPE_POWERPC64              (CPU_TYPE_POWERPC | CPU_ARCH_ABI64)
 159
 160 /*
 161  *      Machine subtypes (these are defined here, instead of in a machine
 162  *      dependent directory, so that any program can get all definitions
 163  *      regardless of where is it compiled).
 164  */
 165
 166 /*
 167  *      Object files that are hand-crafted to run on any
 168  *      implementation of an architecture are tagged with
 169  *      CPU_SUBTYPE_MULTIPLE.  This functions essentially the same as
 170  *      the "ALL" subtype of an architecture except that it allows us
 171  *      to easily find object files that may need to be modified
 172  *      whenever a new implementation of an architecture comes out.
 173  *
 174  *      It is the responsibility of the implementor to make sure the
 175  *      software handles unsupported implementations elegantly.
 176  */
 177 #define CPU_SUBTYPE_MULTIPLE            ((cpu_subtype_t) -1)
 178 #define CPU_SUBTYPE_LITTLE_ENDIAN       ((cpu_subtype_t) 0)
 179 #define CPU_SUBTYPE_BIG_ENDIAN          ((cpu_subtype_t) 1)
 180
 181 /*
 182  *     Machine threadtypes.
 183  *     This is none - not defined - for most machine types/subtypes.
 184  */
 185 #define CPU_THREADTYPE_NONE             ((cpu_threadtype_t) 0)
 186
 187 /*
 188  *      VAX subtypes (these do *not* necessary conform to the actual cpu
 189  *      ID assigned by DEC available via the SID register).
 190  */
 191
 192 #define CPU_SUBTYPE_VAX_ALL     ((cpu_subtype_t) 0)
 193 #define CPU_SUBTYPE_VAX780      ((cpu_subtype_t) 1)
 194 #define CPU_SUBTYPE_VAX785      ((cpu_subtype_t) 2)
 195 #define CPU_SUBTYPE_VAX750      ((cpu_subtype_t) 3)
 196 #define CPU_SUBTYPE_VAX730      ((cpu_subtype_t) 4)
 197 #define CPU_SUBTYPE_UVAXI       ((cpu_subtype_t) 5)
 198 #define CPU_SUBTYPE_UVAXII      ((cpu_subtype_t) 6)
 199 #define CPU_SUBTYPE_VAX8200     ((cpu_subtype_t) 7)
 200 #define CPU_SUBTYPE_VAX8500     ((cpu_subtype_t) 8)
 201 #define CPU_SUBTYPE_VAX8600     ((cpu_subtype_t) 9)
 202 #define CPU_SUBTYPE_VAX8650     ((cpu_subtype_t) 10)
 203 #define CPU_SUBTYPE_VAX8800     ((cpu_subtype_t) 11)
 204 #define CPU_SUBTYPE_UVAXIII     ((cpu_subtype_t) 12)
 205
 206 /*
 207  *      680x0 subtypes
 208  *
 209  * The subtype definitions here are unusual for historical reasons.
 210  * NeXT used to consider 68030 code as generic 68000 code.  For
 211  * backwards compatability:
 212  *
 213  *      CPU_SUBTYPE_MC68030 symbol has been preserved for source code
 214  *      compatability.
 215  *
 216  *      CPU_SUBTYPE_MC680x0_ALL has been defined to be the same
 217  *      subtype as CPU_SUBTYPE_MC68030 for binary comatability.
 218  *
 219  *      CPU_SUBTYPE_MC68030_ONLY has been added to allow new object
 220  *      files to be tagged as containing 68030-specific instructions.
 221  */
 222
 223 #define CPU_SUBTYPE_MC680x0_ALL         ((cpu_subtype_t) 1)
 224 #define CPU_SUBTYPE_MC68030             ((cpu_subtype_t) 1) /* compat */
 225 #define CPU_SUBTYPE_MC68040             ((cpu_subtype_t) 2)
 226 #define CPU_SUBTYPE_MC68030_ONLY        ((cpu_subtype_t) 3)
 227
 228 /*
 229  *      I386 subtypes
 230  */
 231
 232 #define CPU_SUBTYPE_INTEL(f, m) ((cpu_subtype_t) (f) + ((m) << 4))
 233
 234 #define CPU_SUBTYPE_I386_ALL                    CPU_SUBTYPE_INTEL(3, 0)
 235 #define CPU_SUBTYPE_386                                 CPU_SUBTYPE_INTEL(3, 0)
 236 #define CPU_SUBTYPE_486                                 CPU_SUBTYPE_INTEL(4, 0)
 237 #define CPU_SUBTYPE_486SX                               CPU_SUBTYPE_INTEL(4, 8) // 8 << 4 = 128
 238 #define CPU_SUBTYPE_586                                 CPU_SUBTYPE_INTEL(5, 0)
 239 #define CPU_SUBTYPE_PENT        CPU_SUBTYPE_INTEL(5, 0)
 240 #define CPU_SUBTYPE_PENTPRO     CPU_SUBTYPE_INTEL(6, 1)
 241 #define CPU_SUBTYPE_PENTII_M3   CPU_SUBTYPE_INTEL(6, 3)
 242 #define CPU_SUBTYPE_PENTII_M5   CPU_SUBTYPE_INTEL(6, 5)
 243 #define CPU_SUBTYPE_CELERON                             CPU_SUBTYPE_INTEL(7, 6)
 244 #define CPU_SUBTYPE_CELERON_MOBILE              CPU_SUBTYPE_INTEL(7, 7)
 245 #define CPU_SUBTYPE_PENTIUM_3                   CPU_SUBTYPE_INTEL(8, 0)
 246 #define CPU_SUBTYPE_PENTIUM_3_M                 CPU_SUBTYPE_INTEL(8, 1)
 247 #define CPU_SUBTYPE_PENTIUM_3_XEON              CPU_SUBTYPE_INTEL(8, 2)
 248 #define CPU_SUBTYPE_PENTIUM_M                   CPU_SUBTYPE_INTEL(9, 0)
 249 #define CPU_SUBTYPE_PENTIUM_4                   CPU_SUBTYPE_INTEL(10, 0)
 250 #define CPU_SUBTYPE_PENTIUM_4_M                 CPU_SUBTYPE_INTEL(10, 1)
 251 #define CPU_SUBTYPE_ITANIUM                             CPU_SUBTYPE_INTEL(11, 0)
 252 #define CPU_SUBTYPE_ITANIUM_2                   CPU_SUBTYPE_INTEL(11, 1)
 253 #define CPU_SUBTYPE_XEON                                CPU_SUBTYPE_INTEL(12, 0)
 254 #define CPU_SUBTYPE_XEON_MP                             CPU_SUBTYPE_INTEL(12, 1)
 255
 256 #define CPU_SUBTYPE_INTEL_FAMILY(x)     ((x) & 15)
 257 #define CPU_SUBTYPE_INTEL_FAMILY_MAX    15
 258
 259 #define CPU_SUBTYPE_INTEL_MODEL(x)      ((x) >> 4)
 260 #define CPU_SUBTYPE_INTEL_MODEL_ALL     0
 261
 262 /*
 263  *      X86 subtypes.
 264  */
 265
 266 #define CPU_SUBTYPE_X86_ALL             ((cpu_subtype_t)3)
 267 #define CPU_SUBTYPE_X86_64_ALL          ((cpu_subtype_t)3)
 268 #define CPU_SUBTYPE_X86_ARCH1           ((cpu_subtype_t)4)
 269
 270
 271 #define CPU_THREADTYPE_INTEL_HTT        ((cpu_threadtype_t) 1)
 272
 273 /*
 274  *      Mips subtypes.
 275  */
 276
 277 #define CPU_SUBTYPE_MIPS_ALL    ((cpu_subtype_t) 0)
 278 #define CPU_SUBTYPE_MIPS_R2300  ((cpu_subtype_t) 1)
 279 #define CPU_SUBTYPE_MIPS_R2600  ((cpu_subtype_t) 2)
 280 #define CPU_SUBTYPE_MIPS_R2800  ((cpu_subtype_t) 3)
 281 #define CPU_SUBTYPE_MIPS_R2000a ((cpu_subtype_t) 4)     /* pmax */
 282 #define CPU_SUBTYPE_MIPS_R2000  ((cpu_subtype_t) 5)
 283 #define CPU_SUBTYPE_MIPS_R3000a ((cpu_subtype_t) 6)     /* 3max */
 284 #define CPU_SUBTYPE_MIPS_R3000  ((cpu_subtype_t) 7)
 285
 286 /*
 287  *      MC98000 (PowerPC) subtypes
 288  */
 289 #define CPU_SUBTYPE_MC98000_ALL ((cpu_subtype_t) 0)
 290 #define CPU_SUBTYPE_MC98601     ((cpu_subtype_t) 1)
 291
 292 /*
 293  *      HPPA subtypes for Hewlett-Packard HP-PA family of
 294  *      risc processors. Port by NeXT to 700 series.
 295  */
 296
 297 #define CPU_SUBTYPE_HPPA_ALL            ((cpu_subtype_t) 0)
 298 #define CPU_SUBTYPE_HPPA_7100           ((cpu_subtype_t) 0) /* compat */
 299 #define CPU_SUBTYPE_HPPA_7100LC         ((cpu_subtype_t) 1)
 300
 301 /*
 302  *      MC88000 subtypes.
 303  */
 304 #define CPU_SUBTYPE_MC88000_ALL ((cpu_subtype_t) 0)
 305 #define CPU_SUBTYPE_MC88100     ((cpu_subtype_t) 1)
 306 #define CPU_SUBTYPE_MC88110     ((cpu_subtype_t) 2)
 307
 308 /*
 309  *      SPARC subtypes
 310  */
 311 #define CPU_SUBTYPE_SPARC_ALL           ((cpu_subtype_t) 0)
 312
 313 /*
 314  *      I860 subtypes
 315  */
 316 #define CPU_SUBTYPE_I860_ALL    ((cpu_subtype_t) 0)
 317 #define CPU_SUBTYPE_I860_860    ((cpu_subtype_t) 1)
 318
 319 /*
 320  *      PowerPC subtypes
 321  */
 322 #define CPU_SUBTYPE_POWERPC_ALL         ((cpu_subtype_t) 0)
 323 #define CPU_SUBTYPE_POWERPC_601         ((cpu_subtype_t) 1)
 324 #define CPU_SUBTYPE_POWERPC_602         ((cpu_subtype_t) 2)
 325 #define CPU_SUBTYPE_POWERPC_603         ((cpu_subtype_t) 3)
 326 #define CPU_SUBTYPE_POWERPC_603e        ((cpu_subtype_t) 4)
 327 #define CPU_SUBTYPE_POWERPC_603ev       ((cpu_subtype_t) 5)
 328 #define CPU_SUBTYPE_POWERPC_604         ((cpu_subtype_t) 6)
 329 #define CPU_SUBTYPE_POWERPC_604e        ((cpu_subtype_t) 7)
 330 #define CPU_SUBTYPE_POWERPC_620         ((cpu_subtype_t) 8)
 331 #define CPU_SUBTYPE_POWERPC_750         ((cpu_subtype_t) 9)
 332 #define CPU_SUBTYPE_POWERPC_7400        ((cpu_subtype_t) 10)
 333 #define CPU_SUBTYPE_POWERPC_7450        ((cpu_subtype_t) 11)
 334 #define CPU_SUBTYPE_POWERPC_970         ((cpu_subtype_t) 100)
 335
 336 /*
 337  *      CPU families (sysctl hw.cpufamily)
 338  *
 339  * NB: the encodings of the CPU families are intentionally arbitrary.
 340  * There is no ordering, and you should never try to deduce whether
 341  * or not some feature is available based on the family.
 342  * Use feature flags (eg, hw.optional.altivec) to test for optional
 343  * functionality.
 344  */
 345 #define CPUFAMILY_UNKNOWN    0
 346 #define CPUFAMILY_POWERPC_G3 0xcee41549
 347 #define CPUFAMILY_POWERPC_G4 0x77c184ae
 348 #define CPUFAMILY_POWERPC_G5 0xed76d8aa
 349 #define CPUFAMILY_INTEL_6_14 0x73d67300  /* Intel Core Solo and Intel Core Duo (32-bit Pentium-M with SSE3) */
 350 #define CPUFAMILY_INTEL_6_15 0x426f69ef  /* Intel Core 2 */
 351
 352 #endif  /* _MACH_MACHINE_H_ */