]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/i386/cpuid.h
xnu-2422.115.4.tar.gz
[apple/xnu.git] / osfmk / i386 / cpuid.h
index a500c8d0214880e0ef23ffc4e97197fe734db760..c114c6bce32cdb6463d27131e91ce4ab7cfef636 100644 (file)
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * 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 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
 /*
  * x86 CPU identification
  *
- * TODO : Add TI/Thomson processors
  */
 
 #ifndef _MACHINE_CPUID_H_
 #define _MACHINE_CPUID_H_
 
-#define        CPUID_VID_SIZE          12
+#include <sys/appleapiopts.h>
+
+#ifdef __APPLE_API_PRIVATE
+
 #define        CPUID_VID_INTEL         "GenuineIntel"
-#define        CPUID_VID_UMC           "UMC UMC UMC "
 #define        CPUID_VID_AMD           "AuthenticAMD"
-#define        CPUID_VID_CYRIX         "CyrixInstead"
-#define        CPUID_VID_NEXTGEN       "NexGenDriven"
-
-#define        CPUID_FEATURE_FPU    0x00000001 /* Floating point unit on-chip */
-#define        CPUID_FEATURE_VME    0x00000002 /* Virtual Mode Extension */
-#define        CPUID_FEATURE_IOB    0x00000004 /* I/O Breakpoints */
-#define        CPUID_FEATURE_PSE    0x00000008 /* Page Size Extension */
-#define        CPUID_FEATURE_TSC    0x00000010 /* Time Stamp Counter */
-#define        CPUID_FEATURE_MSR    0x00000020 /* Model Specific Registers */
-#define        CPUID_FEATURE_MCE    0x00000080 /* Machine Check Exception */
-#define        CPUID_FEATURE_CX8    0x00000100 /* CMPXCHG8B */
-#define        CPUID_FEATURE_APIC   0x00000200 /* On-chip APIC */
-#define        CPUID_FEATURE_MTRR   0x00001000 /* Memory Type Range Register */
-#define        CPUID_FEATURE_PGE    0x00002000 /* Page Global Enable */
-#define        CPUID_FEATURE_MCA    0x00004000 /* Machine Check Architecture */
-#define        CPUID_FEATURE_CMOV   0x00008000 /* Conditional Move Instruction */
-
-#define        CPUID_TYPE_OEM              0x0 /* Original processor */
-#define        CPUID_TYPE_OVERDRIVE        0x1 /* Overdrive processor */
-#define        CPUID_TYPE_DUAL             0x2 /* Can be used as dual processor */
-#define        CPUID_TYPE_RESERVED         0x3 /* Reserved */
-
-#define        CPUID_FAMILY_386            0x3 /* Intel 386 (not part of CPUID) */
-#define        CPUID_FAMILY_486            0x4 /* Intel 486 */
-#define        CPUID_FAMILY_P5             0x5 /* Intel Pentium */
-#define        CPUID_FAMILY_PPRO           0x6 /* Intel Pentium Pro */
-
-#define        CPUID_MODEL_I386_DX         0x0 /* Intel 386 (not part of CPUID) */
-
-#define        CPUID_MODEL_I486_DX         0x0 /* Intel 486DX */
-#define        CPUID_MODEL_I486_DX_S       0x1 /* Intel 486DX-S */
-#define        CPUID_MODEL_I486_SX         0x2 /* Intel 486SX */
-#define        CPUID_MODEL_I486_DX2        0x3 /* Intel 486DX2 */
-#define        CPUID_MODEL_I486_SL         0x4 /* Intel 486SL */
-#define        CPUID_MODEL_I486_SX2        0x5 /* Intel 486SX2 */
-#define        CPUID_MODEL_I486_DX2WB      0x7 /* Intel 486DX2WB */
-#define        CPUID_MODEL_I486_DX4        0x8 /* Intel 486DX4 */
-#define        CPUID_MODEL_I486_DX4WB      0x9 /* Intel 486DX4WB */
-
-#define        CPUID_MODEL_AM486_DX        0x1 /* AMD 486DX */
-#define        CPUID_MODEL_AM486_DX2       0x3 /* AMD 486DX2 */
-#define        CPUID_MODEL_AM486_DX2WB     0x7 /* AMD 486DX2WB */
-#define        CPUID_MODEL_AM486_DX4       0x8 /* AMD 486DX4 */
-#define        CPUID_MODEL_AM486_DX4WB     0x9 /* AMD 486DX4WB */
-#define        CPUID_MODEL_AM486_5X86      0xE /* AMD 5x86 */
-#define        CPUID_MODEL_AM486_5X86WB    0xF /* AMD 5x86WB */
-
-#define        CPUID_MODEL_CYRIX5X86       0x9 /* CYRIX 5X86 */
-
-#define        CPUID_MODEL_UMC5SD          0x1 /* UMC U5SD */
-#define        CPUID_MODEL_UMC5S           0x2 /* UMC U5S */
-#define        CPUID_MODEL_UMC486_DX2      0x3 /* UMC U486_DX2 */
-#define        CPUID_MODEL_UMC486_SX2      0x5 /* UMC U486_SX2 */
-
-#define        CPUID_MODEL_P5A             0x0 /* Intel P5 60/66 Step A */
-#define        CPUID_MODEL_P5              0x1 /* Intel P5 60/66 */
-#define        CPUID_MODEL_P54             0x2 /* Intel P5 75/80/100/120/133/166 */
-#define        CPUID_MODEL_P24T            0x3 /* Intel P5 Overdrive 63/83 */
-
-#define        CPUID_MODEL_P6              0x1 /* Intel P6 */
-#define        CPUID_MODEL_PII             0x3 /* Intel PII */
-
-#define        CPUID_CACHE_SIZE        16      /* Number of descriptor vales */
-#define        CPUID_CACHE_VALID        4      /* Index of descriptor validity */
-
-#define        CPUID_CACHE_NULL           0x00 /* NULL */
-#define        CPUID_CACHE_ITLB_4K        0x01 /* Instruction TLB, 4K pages */
-#define        CPUID_CACHE_ITLB_4M        0x02 /* Instruction TLB, 4M pages */
-#define        CPUID_CACHE_DTLB_4K        0x03 /* Data TLB, 4K pages */
-#define        CPUID_CACHE_DTLB_4M        0x04 /* Data TLB, 4M pages */
-#define        CPUID_CACHE_ICACHE_8K      0x06 /* Instruction cache, 8K */
-#define        CPUID_CACHE_DCACHE_8K      0x0A /* Data cache, 8K */
-#define        CPUID_CACHE_UCACHE_128K    0x41 /* Unified cache, 128K */
-#define        CPUID_CACHE_UCACHE_256K    0x42 /* Unified cache, 256K */
-#define        CPUID_CACHE_UCACHE_512K    0x43 /* Unified cache, 512K */
 
-#ifndef ASSEMBLER
-#include <mach/machine.h>
+#define CPUID_VMM_ID_VMWARE    "VMwareVMware"
+
+#define CPUID_STRING_UNKNOWN    "Unknown CPU Typ"
 
-extern unsigned int    cpuid_value;
-extern unsigned char   cpuid_type;
-extern unsigned char   cpuid_family;
-extern unsigned char   cpuid_model;
-extern unsigned char   cpuid_stepping;
-extern unsigned int    cpuid_feature;
-extern char            cpuid_vid[];
-extern unsigned char   cpuid_cache[];
+#define _Bit(n)                        (1ULL << n)
+#define _HBit(n)               (1ULL << ((n)+32))
 
 /*
- * Product ID arrays per vendor
+ * The CPUID_FEATURE_XXX values define 64-bit values
+ * returned in %ecx:%edx to a CPUID request with %eax of 1: 
  */
-struct cpuid_product {
-    unsigned char              type;           /* CPU type */
-    unsigned char              family;         /* CPU family */
-    unsigned char              model;          /* CPU model */
-    unsigned int               delay;          /* 1MHz Delay (scale 1000) */
-    unsigned int               *frequency;     /* Frequency array */
-    char                       *name;          /* Model name */
-};
+#define CPUID_FEATURE_FPU       _Bit(0)   /* Floating point unit on-chip */
+#define CPUID_FEATURE_VME       _Bit(1)   /* Virtual Mode Extension */
+#define CPUID_FEATURE_DE        _Bit(2)   /* Debugging Extension */
+#define CPUID_FEATURE_PSE       _Bit(3)   /* Page Size Extension */
+#define CPUID_FEATURE_TSC       _Bit(4)   /* Time Stamp Counter */
+#define CPUID_FEATURE_MSR       _Bit(5)   /* Model Specific Registers */
+#define CPUID_FEATURE_PAE       _Bit(6)   /* Physical Address Extension */
+#define CPUID_FEATURE_MCE       _Bit(7)   /* Machine Check Exception */
+#define CPUID_FEATURE_CX8       _Bit(8)   /* CMPXCHG8B */
+#define CPUID_FEATURE_APIC      _Bit(9)   /* On-chip APIC */
+#define CPUID_FEATURE_SEP       _Bit(11)  /* Fast System Call */
+#define CPUID_FEATURE_MTRR      _Bit(12)  /* Memory Type Range Register */
+#define CPUID_FEATURE_PGE       _Bit(13)  /* Page Global Enable */
+#define CPUID_FEATURE_MCA       _Bit(14)  /* Machine Check Architecture */
+#define CPUID_FEATURE_CMOV      _Bit(15)  /* Conditional Move Instruction */
+#define CPUID_FEATURE_PAT       _Bit(16)  /* Page Attribute Table */
+#define CPUID_FEATURE_PSE36     _Bit(17)  /* 36-bit Page Size Extension */
+#define CPUID_FEATURE_PSN       _Bit(18)  /* Processor Serial Number */
+#define CPUID_FEATURE_CLFSH     _Bit(19)  /* CLFLUSH Instruction supported */
+#define CPUID_FEATURE_DS        _Bit(21)  /* Debug Store */
+#define CPUID_FEATURE_ACPI      _Bit(22)  /* Thermal monitor and Clock Ctrl */
+#define CPUID_FEATURE_MMX       _Bit(23)  /* MMX supported */
+#define CPUID_FEATURE_FXSR      _Bit(24)  /* Fast floating pt save/restore */
+#define CPUID_FEATURE_SSE       _Bit(25)  /* Streaming SIMD extensions */
+#define CPUID_FEATURE_SSE2      _Bit(26)  /* Streaming SIMD extensions 2 */
+#define CPUID_FEATURE_SS        _Bit(27)  /* Self-Snoop */
+#define CPUID_FEATURE_HTT       _Bit(28)  /* Hyper-Threading Technology */
+#define CPUID_FEATURE_TM        _Bit(29)  /* Thermal Monitor (TM1) */
+#define CPUID_FEATURE_PBE       _Bit(31)  /* Pend Break Enable */
+#define CPUID_FEATURE_SSE3      _HBit(0)  /* Streaming SIMD extensions 3 */
+#define CPUID_FEATURE_PCLMULQDQ _HBit(1)  /* PCLMULQDQ instruction */
+#define CPUID_FEATURE_DTES64    _HBit(2)  /* 64-bit DS layout */
+#define CPUID_FEATURE_MONITOR   _HBit(3)  /* Monitor/mwait */
+#define CPUID_FEATURE_DSCPL     _HBit(4)  /* Debug Store CPL */
+#define CPUID_FEATURE_VMX       _HBit(5)  /* VMX */
+#define CPUID_FEATURE_SMX       _HBit(6)  /* SMX */
+#define CPUID_FEATURE_EST       _HBit(7)  /* Enhanced SpeedsTep (GV3) */
+#define CPUID_FEATURE_TM2       _HBit(8)  /* Thermal Monitor 2 */
+#define CPUID_FEATURE_SSSE3     _HBit(9)  /* Supplemental SSE3 instructions */
+#define CPUID_FEATURE_CID       _HBit(10) /* L1 Context ID */
+#define CPUID_FEATURE_SEGLIM64  _HBit(11) /* 64-bit segment limit checking */
+#define CPUID_FEATURE_FMA       _HBit(12) /* Fused-Multiply-Add support */
+#define CPUID_FEATURE_CX16      _HBit(13) /* CmpXchg16b instruction */
+#define CPUID_FEATURE_xTPR      _HBit(14) /* Send Task PRiority msgs */
+#define CPUID_FEATURE_PDCM      _HBit(15) /* Perf/Debug Capability MSR */
+
+#define CPUID_FEATURE_PCID      _HBit(17) /* ASID-PCID support */
+#define CPUID_FEATURE_DCA       _HBit(18) /* Direct Cache Access */
+#define CPUID_FEATURE_SSE4_1    _HBit(19) /* Streaming SIMD extensions 4.1 */
+#define CPUID_FEATURE_SSE4_2    _HBit(20) /* Streaming SIMD extensions 4.2 */
+#define CPUID_FEATURE_x2APIC    _HBit(21) /* Extended APIC Mode */
+#define CPUID_FEATURE_MOVBE     _HBit(22) /* MOVBE instruction */
+#define CPUID_FEATURE_POPCNT    _HBit(23) /* POPCNT instruction */
+#define CPUID_FEATURE_TSCTMR    _HBit(24) /* TSC deadline timer */
+#define CPUID_FEATURE_AES       _HBit(25) /* AES instructions */
+#define CPUID_FEATURE_XSAVE     _HBit(26) /* XSAVE instructions */
+#define CPUID_FEATURE_OSXSAVE   _HBit(27) /* XGETBV/XSETBV instructions */
+#define CPUID_FEATURE_AVX1_0   _HBit(28) /* AVX 1.0 instructions */
+#define CPUID_FEATURE_VMM       _HBit(31) /* VMM (Hypervisor) present */
+#define CPUID_FEATURE_SEGLIM64  _HBit(11) /* 64-bit segment limit checking */
+#define CPUID_FEATURE_PCID      _HBit(17) /* ASID-PCID support */
+#define CPUID_FEATURE_TSCTMR    _HBit(24) /* TSC deadline timer */
+#define CPUID_FEATURE_AVX1_0   _HBit(28) /* AVX 1.0 instructions */
+#define CPUID_FEATURE_F16C     _HBit(29) /* Float16 convert instructions */
+#define CPUID_FEATURE_RDRAND   _HBit(30) /* RDRAND instruction */
 
 /*
- * Vendor ID structure
+ * Leaf 7, subleaf 0 additional features.
+ * Bits returned in %ebx to a CPUID request with {%eax,%ecx} of (0x7,0x0}:
  */
-struct cpuid_name {
-    char                       *name;          /* Vendor ID name */
-    struct cpuid_product       *product;       /* product array */
-    unsigned int               size;           /* #elements in product array */
-};
+#define CPUID_LEAF7_FEATURE_RDWRFSGS _Bit(0)   /* FS/GS base read/write */
+#define CPUID_LEAF7_FEATURE_SMEP     _Bit(7)   /* Supervisor Mode Execute Protect */
+#define CPUID_LEAF7_FEATURE_ENFSTRG  _Bit(9)   /* ENhanced Fast STRinG copy */
+#define CPUID_LEAF7_FEATURE_TSCOFF   _Bit(1)   /* TSC thread offset */
+#define CPUID_LEAF7_FEATURE_BMI1     _Bit(3)   /* Bit Manipulation Instrs, set 1 */
+#define CPUID_LEAF7_FEATURE_HLE      _Bit(4)   /* Hardware Lock Elision*/
+#define CPUID_LEAF7_FEATURE_AVX2     _Bit(5)   /* AVX2 Instructions */
+#define CPUID_LEAF7_FEATURE_BMI2     _Bit(8)   /* Bit Manipulation Instrs, set 2 */
+#define CPUID_LEAF7_FEATURE_INVPCID  _Bit(10)  /* INVPCID intruction, TDB */
+#define CPUID_LEAF7_FEATURE_RTM      _Bit(11)  /* TBD */
 
 /*
- * Cache ID description structure
+ * The CPUID_EXTFEATURE_XXX values define 64-bit values
+ * returned in %ecx:%edx to a CPUID request with %eax of 0x80000001: 
  */
-struct cpuid_cache_desc {
-    unsigned char              value;          /* Descriptor value */
-    char                       *description;   /* Cache description */
-};
+#define CPUID_EXTFEATURE_SYSCALL   _Bit(11)    /* SYSCALL/sysret */
+#define CPUID_EXTFEATURE_XD       _Bit(20)     /* eXecute Disable */
+
+#define CPUID_EXTFEATURE_1GBPAGE   _Bit(26)    /* 1GB pages */
+#define CPUID_EXTFEATURE_RDTSCP           _Bit(27)     /* RDTSCP */
+#define CPUID_EXTFEATURE_EM64T    _Bit(29)     /* Extended Mem 64 Technology */
+
+#define CPUID_EXTFEATURE_LAHF     _HBit(0)     /* LAFH/SAHF instructions */
+
+/*
+ * The CPUID_EXTFEATURE_XXX values define 64-bit values
+ * returned in %ecx:%edx to a CPUID request with %eax of 0x80000007: 
+ */
+#define CPUID_EXTFEATURE_TSCI      _Bit(8)     /* TSC Invariant */
+
+#define        CPUID_CACHE_SIZE        16      /* Number of descriptor values */
+
+#define CPUID_MWAIT_EXTENSION  _Bit(0) /* enumeration of WMAIT extensions */
+#define CPUID_MWAIT_BREAK      _Bit(1) /* interrupts are break events     */
+
+#define CPUID_MODEL_YONAH              0x0E
+#define CPUID_MODEL_MEROM              0x0F
+#define CPUID_MODEL_PENRYN             0x17
+#define CPUID_MODEL_NEHALEM            0x1A
+#define CPUID_MODEL_FIELDS             0x1E    /* Lynnfield, Clarksfield */
+#define CPUID_MODEL_DALES              0x1F    /* Havendale, Auburndale */
+#define CPUID_MODEL_NEHALEM_EX         0x2E
+#define CPUID_MODEL_DALES_32NM         0x25    /* Clarkdale, Arrandale */
+#define CPUID_MODEL_WESTMERE           0x2C    /* Gulftown, Westmere-EP/-WS */
+#define CPUID_MODEL_WESTMERE_EX                0x2F
+#define CPUID_MODEL_SANDYBRIDGE                0x2A
+#define CPUID_MODEL_JAKETOWN           0x2D
+#define CPUID_MODEL_IVYBRIDGE          0x3A
+#ifdef PRIVATE
+#define CPUID_MODEL_IVYBRIDGE_EP       0x3E
+#define CPUID_MODEL_CRYSTALWELL                0x46
+#endif
+#define CPUID_MODEL_HASWELL            0x3C
+#define CPUID_MODEL_HASWELL_SVR                0x3F
+#define CPUID_MODEL_HASWELL_ULT                0x45
+
+#define CPUID_VMM_FAMILY_UNKNOWN       0x0
+#define CPUID_VMM_FAMILY_VMWARE                0x1
+
+#ifndef ASSEMBLER
+#include <stdint.h>
+#include <mach/mach_types.h>
+#include <kern/kern_types.h>
+#include <mach/machine.h>
+
+
+typedef enum { eax, ebx, ecx, edx } cpuid_register_t;
+static inline void
+cpuid(uint32_t *data)
+{
+       asm("cpuid"
+               : "=a" (data[eax]),
+                 "=b" (data[ebx]),
+                 "=c" (data[ecx]),
+                 "=d" (data[edx])
+               : "a"  (data[eax]),
+                 "b"  (data[ebx]),
+                 "c"  (data[ecx]),
+                 "d"  (data[edx]));
+}
+
+static inline void
+do_cpuid(uint32_t selector, uint32_t *data)
+{
+       asm("cpuid"
+               : "=a" (data[0]),
+                 "=b" (data[1]),
+                 "=c" (data[2]),
+                 "=d" (data[3])
+               : "a"(selector),
+                 "b" (0),
+                 "c" (0),
+                 "d" (0));
+}
+
+/*
+ * Cache ID descriptor structure, used to parse CPUID leaf 2.
+ * Note: not used in kernel.
+ */
+typedef enum { Lnone, L1I, L1D, L2U, L3U, LCACHE_MAX } cache_type_t ; 
+typedef struct {
+       unsigned char   value;          /* Descriptor value */
+       cache_type_t    type;           /* Cache type */
+       unsigned int    size;           /* Cache size */
+       unsigned int    linesize;       /* Cache line size */
+#ifdef KERNEL
+       const char      *description;   /* Cache description */
+#endif /* KERNEL */
+} cpuid_cache_desc_t;  
+
+#ifdef KERNEL
+#define CACHE_DESC(value,type,size,linesize,text) \
+       { value, type, size, linesize, text }
+#else
+#define CACHE_DESC(value,type,size,linesize,text) \
+       { value, type, size, linesize }
+#endif /* KERNEL */
+
+/* Monitor/mwait Leaf: */
+typedef struct {
+       uint32_t        linesize_min;
+       uint32_t        linesize_max;
+       uint32_t        extensions;
+       uint32_t        sub_Cstates;
+} cpuid_mwait_leaf_t;
+
+/* Thermal and Power Management Leaf: */
+typedef struct {
+       boolean_t       sensor;
+       boolean_t       dynamic_acceleration;
+       boolean_t       invariant_APIC_timer;
+       boolean_t       core_power_limits;
+       boolean_t       fine_grain_clock_mod;
+       boolean_t       package_thermal_intr;
+       uint32_t        thresholds;
+       boolean_t       ACNT_MCNT;
+       boolean_t       hardware_feedback;
+       boolean_t       energy_policy;
+} cpuid_thermal_leaf_t;
+
+
+/* XSAVE Feature Leaf: */
+typedef struct {
+       uint32_t        extended_state[4];      /* eax .. edx */
+} cpuid_xsave_leaf_t;
+
+
+/* Architectural Performance Monitoring Leaf: */
+typedef struct {
+       uint8_t         version;
+       uint8_t         number;
+       uint8_t         width;
+       uint8_t         events_number;
+       uint32_t        events;
+       uint8_t         fixed_number;
+       uint8_t         fixed_width;
+} cpuid_arch_perf_leaf_t;
+
+/* Physical CPU info - this is exported out of the kernel (kexts), so be wary of changes */
+typedef struct {
+       char            cpuid_vendor[16];
+       char            cpuid_brand_string[48];
+       const char      *cpuid_model_string;
+
+       cpu_type_t      cpuid_type;     /* this is *not* a cpu_type_t in our <mach/machine.h> */
+       uint8_t         cpuid_family;
+       uint8_t         cpuid_model;
+       uint8_t         cpuid_extmodel;
+       uint8_t         cpuid_extfamily;
+       uint8_t         cpuid_stepping;
+       uint64_t        cpuid_features;
+       uint64_t        cpuid_extfeatures;
+       uint32_t        cpuid_signature;
+       uint8_t         cpuid_brand; 
+       uint8_t         cpuid_processor_flag;
+       
+       uint32_t        cache_size[LCACHE_MAX];
+       uint32_t        cache_linesize;
+
+       uint8_t         cache_info[64];    /* list of cache descriptors */
+
+       uint32_t        cpuid_cores_per_package;
+       uint32_t        cpuid_logical_per_package;
+       uint32_t        cache_sharing[LCACHE_MAX];
+       uint32_t        cache_partitions[LCACHE_MAX];
+
+       cpu_type_t      cpuid_cpu_type;                 /* <mach/machine.h> */
+       cpu_subtype_t   cpuid_cpu_subtype;              /* <mach/machine.h> */  
+
+       /* Per-vendor info */
+       cpuid_mwait_leaf_t      cpuid_mwait_leaf;       
+#define cpuid_mwait_linesize_max       cpuid_mwait_leaf.linesize_max
+#define cpuid_mwait_linesize_min       cpuid_mwait_leaf.linesize_min
+#define cpuid_mwait_extensions         cpuid_mwait_leaf.extensions
+#define cpuid_mwait_sub_Cstates                cpuid_mwait_leaf.sub_Cstates
+       cpuid_thermal_leaf_t    cpuid_thermal_leaf;
+       cpuid_arch_perf_leaf_t  cpuid_arch_perf_leaf;
+       cpuid_xsave_leaf_t      cpuid_xsave_leaf;
+
+       /* Cache details: */
+       uint32_t        cpuid_cache_linesize;
+       uint32_t        cpuid_cache_L2_associativity;
+       uint32_t        cpuid_cache_size;
+
+       /* Virtual and physical address aize: */
+       uint32_t        cpuid_address_bits_physical;
+       uint32_t        cpuid_address_bits_virtual;
+
+       uint32_t        cpuid_microcode_version;
+
+       /* Numbers of tlbs per processor [i|d, small|large, level0|level1] */
+       uint32_t        cpuid_tlb[2][2][2];
+                       #define TLB_INST        0
+                       #define TLB_DATA        1
+                       #define TLB_SMALL       0
+                       #define TLB_LARGE       1
+       uint32_t        cpuid_stlb;
+
+       uint32_t        core_count;
+       uint32_t        thread_count;
+
+       /* Max leaf ids available from CPUID */
+       uint32_t        cpuid_max_basic;
+       uint32_t        cpuid_max_ext;
+
+       /* Family-specific info links */
+       uint32_t                cpuid_cpufamily;
+       cpuid_mwait_leaf_t      *cpuid_mwait_leafp;     
+       cpuid_thermal_leaf_t    *cpuid_thermal_leafp;
+       cpuid_arch_perf_leaf_t  *cpuid_arch_perf_leafp;
+       cpuid_xsave_leaf_t      *cpuid_xsave_leafp;
+       uint32_t                cpuid_leaf7_features;
+} i386_cpu_info_t;
+
+#ifdef MACH_KERNEL_PRIVATE
+typedef struct {
+       char            cpuid_vmm_vendor[16];
+       uint32_t        cpuid_vmm_family;
+       uint32_t        cpuid_vmm_bus_frequency;
+       uint32_t        cpuid_vmm_tsc_frequency;
+} i386_vmm_info_t;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 /*
  * External declarations
  */
-extern cpu_type_t      cpuid_cputype(int);
-extern void            cpuid_cpu_display(char *, int);
-extern void            cpuid_cache_display(char *, int);
+extern cpu_type_t      cpuid_cputype(void);
+extern cpu_subtype_t   cpuid_cpusubtype(void);
+extern void            cpuid_cpu_display(const char *);
+extern void            cpuid_feature_display(const char *);
+extern void            cpuid_extfeature_display(const char *);
+extern char *          cpuid_get_feature_names(uint64_t, char *, unsigned);
+extern char *          cpuid_get_extfeature_names(uint64_t, char *, unsigned);
+extern char *          cpuid_get_leaf7_feature_names(uint64_t, char *, unsigned);
+
+extern uint64_t                cpuid_features(void);
+extern uint64_t                cpuid_extfeatures(void);
+extern uint64_t                cpuid_leaf7_features(void);
+extern uint32_t                cpuid_family(void);
+extern uint32_t                cpuid_cpufamily(void);
+       
+extern i386_cpu_info_t *cpuid_info(void);
+extern void            cpuid_set_info(void);
+
+#ifdef MACH_KERNEL_PRIVATE
+extern boolean_t       cpuid_vmm_present(void);
+extern i386_vmm_info_t *cpuid_vmm_info(void);
+extern uint32_t                cpuid_vmm_family(void);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* ASSEMBLER */
+
+#endif /* __APPLE_API_PRIVATE */
 #endif /* _MACHINE_CPUID_H_ */