/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_X86_ARCHEXT_H
#define	_SYS_X86_ARCHEXT_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#if !defined(_ASM)
#include <sys/regset.h>
#include <sys/processor.h>
#include <vm/seg_enum.h>
#include <vm/page.h>
#endif	/* _ASM */

#ifdef	__cplusplus
extern "C" {
#endif

/*
 * cpuid instruction feature flags in %edx (standard function 1)
 */

#define	CPUID_INTC_EDX_FPU	0x00000001	/* x87 fpu present */
#define	CPUID_INTC_EDX_VME	0x00000002	/* virtual-8086 extension */
#define	CPUID_INTC_EDX_DE	0x00000004	/* debugging extensions */
#define	CPUID_INTC_EDX_PSE	0x00000008	/* page size extension */
#define	CPUID_INTC_EDX_TSC	0x00000010	/* time stamp counter */
#define	CPUID_INTC_EDX_MSR	0x00000020	/* rdmsr and wrmsr */
#define	CPUID_INTC_EDX_PAE	0x00000040	/* physical addr extension */
#define	CPUID_INTC_EDX_MCE	0x00000080	/* machine check exception */
#define	CPUID_INTC_EDX_CX8	0x00000100	/* cmpxchg8b instruction */
#define	CPUID_INTC_EDX_APIC	0x00000200	/* local APIC */
						/* 0x400 - reserved */
#define	CPUID_INTC_EDX_SEP	0x00000800	/* sysenter and sysexit */
#define	CPUID_INTC_EDX_MTRR	0x00001000	/* memory type range reg */
#define	CPUID_INTC_EDX_PGE	0x00002000	/* page global enable */
#define	CPUID_INTC_EDX_MCA	0x00004000	/* machine check arch */
#define	CPUID_INTC_EDX_CMOV	0x00008000	/* conditional move insns */
#define	CPUID_INTC_EDX_PAT	0x00010000	/* page attribute table */
#define	CPUID_INTC_EDX_PSE36	0x00020000	/* 36-bit pagesize extension */
#define	CPUID_INTC_EDX_PSN	0x00040000	/* processor serial number */
#define	CPUID_INTC_EDX_CLFSH	0x00080000	/* clflush instruction */
						/* 0x100000 - reserved */
#define	CPUID_INTC_EDX_DS	0x00200000	/* debug store exists */
#define	CPUID_INTC_EDX_ACPI	0x00400000	/* monitoring + clock ctrl */
#define	CPUID_INTC_EDX_MMX	0x00800000	/* MMX instructions */
#define	CPUID_INTC_EDX_FXSR	0x01000000	/* fxsave and fxrstor */
#define	CPUID_INTC_EDX_SSE	0x02000000	/* streaming SIMD extensions */
#define	CPUID_INTC_EDX_SSE2	0x04000000	/* SSE extensions */
#define	CPUID_INTC_EDX_SS	0x08000000	/* self-snoop */
#define	CPUID_INTC_EDX_HTT	0x10000000	/* Hyper Thread Technology */
#define	CPUID_INTC_EDX_TM	0x20000000	/* thermal monitoring */
#define	CPUID_INTC_EDX_IA64	0x40000000	/* Itanium emulating IA32 */
#define	CPUID_INTC_EDX_PBE	0x80000000	/* Pending Break Enable */

#define	FMT_CPUID_INTC_EDX					\
	"\20"							\
	"\40pbe\37ia64\36tm\35htt\34ss\33sse2\32sse\31fxsr"	\
	"\30mmx\27acpi\26ds\24clfsh\23psn\22pse36\21pat"	\
	"\20cmov\17mca\16pge\15mtrr\14sep\12apic\11cx8"		\
	"\10mce\7pae\6msr\5tsc\4pse\3de\2vme\1fpu"

/*
 * cpuid instruction feature flags in %ecx (standard function 1)
 */

#define	CPUID_INTC_ECX_SSE3	0x00000001	/* Yet more SSE extensions */
						/* 0x00000002 - reserved */
						/* 0x00000004 - reserved */
#define	CPUID_INTC_ECX_MON	0x00000008	/* MONITOR/MWAIT */
#define	CPUID_INTC_ECX_DSCPL	0x00000010	/* CPL-qualified debug store */
#define	CPUID_INTC_ECX_VMX	0x00000020	/* Hardware VM extensions */
#define	CPUID_INTC_ECX_SMX	0x00000040	/* Secure mode extensions */
#define	CPUID_INTC_ECX_EST	0x00000080	/* enhanced SpeedStep */
#define	CPUID_INTC_ECX_TM2	0x00000100	/* thermal monitoring */
#define	CPUID_INTC_ECX_SSSE3	0x00000200	/* Supplemental SSE3 insns */
#define	CPUID_INTC_ECX_CID	0x00000400	/* L1 context ID */
						/* 0x00000800 - reserved */
						/* 0x00001000 - reserved */
#define	CPUID_INTC_ECX_CX16	0x00002000	/* cmpxchg16 */
#define	CPUID_INTC_ECX_ETPRD	0x00004000	/* extended task pri messages */
						/* 0x00008000 - reserved */
						/* 0x00010000 - reserved */
						/* 0x00020000 - reserved */
#define	CPUID_INTC_ECX_DCA	0x00040000	/* direct cache access */
#define	CPUID_INTC_ECX_SSE4_1	0x00080000	/* SSE4.1 insns */
#define	CPUID_INTC_ECX_SSE4_2	0x00100000	/* SSE4.2 insns */
#define	CPUID_INTC_ECX_POPCNT	0x00800000	/* POPCNT insn */

#define	FMT_CPUID_INTC_ECX					\
	"\20"							\
	"\30popcnt\25sse4.2\24sse4.1\23dca"			\
	"\20\17etprd\16cx16\13cid\12ssse3\11tm2"		\
	"\10est\7smx\6vmx\5dscpl\4mon\1sse3"

/*
 * cpuid instruction feature flags in %edx (extended function 0x80000001)
 */

#define	CPUID_AMD_EDX_FPU	0x00000001	/* x87 fpu present */
#define	CPUID_AMD_EDX_VME	0x00000002	/* virtual-8086 extension */
#define	CPUID_AMD_EDX_DE	0x00000004	/* debugging extensions */
#define	CPUID_AMD_EDX_PSE	0x00000008	/* page size extensions */
#define	CPUID_AMD_EDX_TSC	0x00000010	/* time stamp counter */
#define	CPUID_AMD_EDX_MSR	0x00000020	/* rdmsr and wrmsr */
#define	CPUID_AMD_EDX_PAE	0x00000040	/* physical addr extension */
#define	CPUID_AMD_EDX_MCE	0x00000080	/* machine check exception */
#define	CPUID_AMD_EDX_CX8	0x00000100	/* cmpxchg8b instruction */
#define	CPUID_AMD_EDX_APIC	0x00000200	/* local APIC */
						/* 0x00000400 - sysc on K6m6 */
#define	CPUID_AMD_EDX_SYSC	0x00000800	/* AMD: syscall and sysret */
#define	CPUID_AMD_EDX_MTRR	0x00001000	/* memory type and range reg */
#define	CPUID_AMD_EDX_PGE	0x00002000	/* page global enable */
#define	CPUID_AMD_EDX_MCA	0x00004000	/* machine check arch */
#define	CPUID_AMD_EDX_CMOV	0x00008000	/* conditional move insns */
#define	CPUID_AMD_EDX_PAT	0x00010000	/* K7: page attribute table */
#define	CPUID_AMD_EDX_FCMOV	0x00010000	/* FCMOVcc etc. */
#define	CPUID_AMD_EDX_PSE36	0x00020000	/* 36-bit pagesize extension */
				/* 0x00040000 - reserved */
				/* 0x00080000 - reserved */
#define	CPUID_AMD_EDX_NX	0x00100000	/* AMD: no-execute page prot */
				/* 0x00200000 - reserved */
#define	CPUID_AMD_EDX_MMXamd	0x00400000	/* AMD: MMX extensions */
#define	CPUID_AMD_EDX_MMX	0x00800000	/* MMX instructions */
#define	CPUID_AMD_EDX_FXSR	0x01000000	/* fxsave and fxrstor */
#define	CPUID_AMD_EDX_FFXSR	0x02000000	/* fast fxsave/fxrstor */
#define	CPUID_AMD_EDX_1GPG	0x04000000	/* 1GB page */
#define	CPUID_AMD_EDX_TSCP	0x08000000	/* rdtscp instruction */
				/* 0x10000000 - reserved */
#define	CPUID_AMD_EDX_LM	0x20000000	/* AMD: long mode */
#define	CPUID_AMD_EDX_3DNowx	0x40000000	/* AMD: extensions to 3DNow! */
#define	CPUID_AMD_EDX_3DNow	0x80000000	/* AMD: 3DNow! instructions */

#define	FMT_CPUID_AMD_EDX					\
	"\20"							\
	"\40a3d\37a3d+\36lm\34tscp\32ffxsr\31fxsr"		\
	"\30mmx\27mmxext\25nx\22pse\21pat"			\
	"\20cmov\17mca\16pge\15mtrr\14syscall\12apic\11cx8"	\
	"\10mce\7pae\6msr\5tsc\4pse\3de\2vme\1fpu"

#define	CPUID_AMD_ECX_AHF64	0x00000001	/* LAHF and SAHF in long mode */
#define	CPUID_AMD_ECX_CMP_LGCY	0x00000002	/* AMD: multicore chip */
#define	CPUID_AMD_ECX_SVM	0x00000004	/* AMD: secure VM */
#define	CPUID_AMD_ECX_EAS	0x00000008	/* extended apic space */
#define	CPUID_AMD_ECX_CR8D	0x00000010	/* AMD: 32-bit mov %cr8 */
#define	CPUID_AMD_ECX_LZCNT	0x00000020	/* AMD: LZCNT insn */
#define	CPUID_AMD_ECX_SSE4A	0x00000040	/* AMD: SSE4A insns */

#define	FMT_CPUID_AMD_ECX					\
	"\20"							\
	"\7sse4a\6lzcnt\5cr8d\3svm\2lcmplgcy\1ahf64"

/*
 * Intel now seems to have claimed part of the "extended" function
 * space that we previously for non-Intel implementors to use.
 * More excitingly still, they've claimed bit 20 to mean LAHF/SAHF
 * is available in long mode i.e. what AMD indicate using bit 0.
 * On the other hand, everything else is labelled as reserved.
 */
#define	CPUID_INTC_ECX_AHF64	0x00100000	/* LAHF and SAHF in long mode */


#define	P5_MCHADDR	0x0
#define	P5_CESR		0x11
#define	P5_CTR0		0x12
#define	P5_CTR1		0x13

#define	K5_MCHADDR	0x0
#define	K5_MCHTYPE	0x01
#define	K5_TSC		0x10
#define	K5_TR12		0x12

#define	REG_PAT		0x277

#define	REG_MC0_CTL		0x400
#define	REG_MC5_MISC		0x417
#define	REG_PERFCTR0		0xc1
#define	REG_PERFCTR1		0xc2

#define	REG_PERFEVNT0		0x186
#define	REG_PERFEVNT1		0x187

#define	REG_TSC			0x10	/* timestamp counter */
#define	REG_APIC_BASE_MSR	0x1b

#define	MSR_DEBUGCTL		0x1d9

#define	DEBUGCTL_LBR		0x01
#define	DEBUGCTL_BTF		0x02

/* Intel P6, AMD */
#define	MSR_LBR_FROM		0x1db
#define	MSR_LBR_TO		0x1dc
#define	MSR_LEX_FROM		0x1dd
#define	MSR_LEX_TO		0x1de

/* Intel P4 (pre-Prescott, non P4 M) */
#define	MSR_P4_LBSTK_TOS	0x1da
#define	MSR_P4_LBSTK_0		0x1db
#define	MSR_P4_LBSTK_1		0x1dc
#define	MSR_P4_LBSTK_2		0x1dd
#define	MSR_P4_LBSTK_3		0x1de

/* Intel Pentium M */
#define	MSR_P6M_LBSTK_TOS	0x1c9
#define	MSR_P6M_LBSTK_0		0x040
#define	MSR_P6M_LBSTK_1		0x041
#define	MSR_P6M_LBSTK_2		0x042
#define	MSR_P6M_LBSTK_3		0x043
#define	MSR_P6M_LBSTK_4		0x044
#define	MSR_P6M_LBSTK_5		0x045
#define	MSR_P6M_LBSTK_6		0x046
#define	MSR_P6M_LBSTK_7		0x047

/* Intel P4 (Prescott) */
#define	MSR_PRP4_LBSTK_TOS	0x1da
#define	MSR_PRP4_LBSTK_FROM_0	0x680
#define	MSR_PRP4_LBSTK_FROM_1	0x681
#define	MSR_PRP4_LBSTK_FROM_2	0x682
#define	MSR_PRP4_LBSTK_FROM_3	0x683
#define	MSR_PRP4_LBSTK_FROM_4	0x684
#define	MSR_PRP4_LBSTK_FROM_5	0x685
#define	MSR_PRP4_LBSTK_FROM_6	0x686
#define	MSR_PRP4_LBSTK_FROM_7	0x687
#define	MSR_PRP4_LBSTK_FROM_8 	0x688
#define	MSR_PRP4_LBSTK_FROM_9	0x689
#define	MSR_PRP4_LBSTK_FROM_10	0x68a
#define	MSR_PRP4_LBSTK_FROM_11 	0x68b
#define	MSR_PRP4_LBSTK_FROM_12	0x68c
#define	MSR_PRP4_LBSTK_FROM_13	0x68d
#define	MSR_PRP4_LBSTK_FROM_14	0x68e
#define	MSR_PRP4_LBSTK_FROM_15	0x68f
#define	MSR_PRP4_LBSTK_TO_0	0x6c0
#define	MSR_PRP4_LBSTK_TO_1	0x6c1
#define	MSR_PRP4_LBSTK_TO_2	0x6c2
#define	MSR_PRP4_LBSTK_TO_3	0x6c3
#define	MSR_PRP4_LBSTK_TO_4	0x6c4
#define	MSR_PRP4_LBSTK_TO_5	0x6c5
#define	MSR_PRP4_LBSTK_TO_6	0x6c6
#define	MSR_PRP4_LBSTK_TO_7	0x6c7
#define	MSR_PRP4_LBSTK_TO_8	0x6c8
#define	MSR_PRP4_LBSTK_TO_9 	0x6c9
#define	MSR_PRP4_LBSTK_TO_10	0x6ca
#define	MSR_PRP4_LBSTK_TO_11	0x6cb
#define	MSR_PRP4_LBSTK_TO_12	0x6cc
#define	MSR_PRP4_LBSTK_TO_13	0x6cd
#define	MSR_PRP4_LBSTK_TO_14	0x6ce
#define	MSR_PRP4_LBSTK_TO_15	0x6cf

#define	MCI_CTL_VALUE		0xffffffff

#define	MTRR_TYPE_UC		0
#define	MTRR_TYPE_WC		1
#define	MTRR_TYPE_WT		4
#define	MTRR_TYPE_WP		5
#define	MTRR_TYPE_WB		6
#define	MTRR_TYPE_UC_		7

/*
 * For Solaris we set up the page attritubute table in the following way:
 * PAT0	Write-Back
 * PAT1	Write-Through
 * PAT2	Unchacheable-
 * PAT3	Uncacheable
 * PAT4 Write-Back
 * PAT5	Write-Through
 * PAT6	Write-Combine
 * PAT7 Uncacheable
 * The only difference from h/w default is entry 6.
 */
#define	PAT_DEFAULT_ATTRIBUTE			\
	((uint64_t)MTRR_TYPE_WB |		\
	((uint64_t)MTRR_TYPE_WT << 8) |		\
	((uint64_t)MTRR_TYPE_UC_ << 16) |	\
	((uint64_t)MTRR_TYPE_UC << 24) |	\
	((uint64_t)MTRR_TYPE_WB << 32) |	\
	((uint64_t)MTRR_TYPE_WT << 40) |	\
	((uint64_t)MTRR_TYPE_WC << 48) |	\
	((uint64_t)MTRR_TYPE_UC << 56))

#define	X86_LARGEPAGE	0x00000001
#define	X86_TSC		0x00000002
#define	X86_MSR		0x00000004
#define	X86_MTRR	0x00000008
#define	X86_PGE		0x00000010
#define	X86_DE		0x00000020
#define	X86_CMOV	0x00000040
#define	X86_MMX 	0x00000080
#define	X86_MCA		0x00000100
#define	X86_PAE		0x00000200
#define	X86_CX8		0x00000400
#define	X86_PAT		0x00000800
#define	X86_SEP		0x00001000
#define	X86_SSE		0x00002000
#define	X86_SSE2	0x00004000
#define	X86_HTT		0x00008000
#define	X86_ASYSC	0x00010000
#define	X86_NX		0x00020000
#define	X86_SSE3	0x00040000
#define	X86_CX16	0x00080000
#define	X86_CMP		0x00100000
#define	X86_TSCP	0x00200000
#define	X86_MWAIT	0x00400000
#define	X86_SSE4A	0x00800000
#define	X86_CPUID	0x01000000
#define	X86_SSSE3	0x02000000
#define	X86_SSE4_1	0x04000000
#define	X86_SSE4_2	0x08000000
#define	X86_1GPG	0x10000000

/*
 * flags to patch tsc_read routine.
 */
#define	X86_NO_TSC		0x0
#define	X86_HAVE_TSCP		0x1
#define	X86_TSC_MFENCE		0x2

#define	FMT_X86_FEATURE						\
	"\20"							\
	"\34sse4_2\33sse4_1\32ssse3\31cpuid"			\
	"\30sse4a\27mwait\26tscp\25cmp\24cx16\23sse3\22nx\21asysc"\
	"\20htt\17sse2\16sse\15sep\14pat\13cx8\12pae\11mca"	\
	"\10mmx\7cmov\6de\5pge\4mtrr\3msr\2tsc\1lgpg"

/*
 * x86_type is a legacy concept; this is supplanted
 * for most purposes by x86_feature; modern CPUs
 * should be X86_TYPE_OTHER
 */
#define	X86_TYPE_OTHER		0
#define	X86_TYPE_486		1
#define	X86_TYPE_P5		2
#define	X86_TYPE_P6		3
#define	X86_TYPE_CYRIX_486	4
#define	X86_TYPE_CYRIX_6x86L	5
#define	X86_TYPE_CYRIX_6x86	6
#define	X86_TYPE_CYRIX_GXm	7
#define	X86_TYPE_CYRIX_6x86MX	8
#define	X86_TYPE_CYRIX_MediaGX	9
#define	X86_TYPE_CYRIX_MII	10
#define	X86_TYPE_VIA_CYRIX_III	11
#define	X86_TYPE_P4		12

/*
 * x86_vendor allows us to select between
 * implementation features and helps guide
 * the interpretation of the cpuid instruction.
 */
#define	X86_VENDOR_Intel	0	/* GenuineIntel */
#define	X86_VENDOR_IntelClone	1	/* (an Intel clone) */
#define	X86_VENDOR_AMD		2	/* AuthenticAMD */
#define	X86_VENDOR_Cyrix	3	/* CyrixInstead */
#define	X86_VENDOR_UMC		4	/* UMC UMC UMC  */
#define	X86_VENDOR_NexGen	5	/* NexGenDriven */
#define	X86_VENDOR_Centaur	6	/* CentaurHauls */
#define	X86_VENDOR_Rise		7	/* RiseRiseRise */
#define	X86_VENDOR_SiS		8	/* SiS SiS SiS  */
#define	X86_VENDOR_TM		9	/* GenuineTMx86 */
#define	X86_VENDOR_NSC		10	/* Geode by NSC */

#define	X86_VENDOR_STRLEN	13	/* vendor string max len + \0 */

/*
 * Some vendor/family/model/stepping ranges are commonly grouped under
 * a single identifying banner by the vendor.  The following encode
 * that "revision" in a uint32_t with the 8 most significant bits
 * identifying the vendor with X86_VENDOR_*, the next 8 identifying the
 * family, and the remaining 16 typically forming a bitmask of revisions
 * within that family with more significant bits indicating "later" revisions.
 */

#define	_X86_CHIPREV_VENDOR_MASK	0xff000000u
#define	_X86_CHIPREV_VENDOR_SHIFT	24
#define	_X86_CHIPREV_FAMILY_MASK	0x00ff0000u
#define	_X86_CHIPREV_FAMILY_SHIFT	16
#define	_X86_CHIPREV_REV_MASK		0x0000ffffu

#define	_X86_CHIPREV_VENDOR(x) \
	(((x) & _X86_CHIPREV_VENDOR_MASK) >> _X86_CHIPREV_VENDOR_SHIFT)
#define	_X86_CHIPREV_FAMILY(x) \
	(((x) & _X86_CHIPREV_FAMILY_MASK) >> _X86_CHIPREV_FAMILY_SHIFT)
#define	_X86_CHIPREV_REV(x) \
	((x) & _X86_CHIPREV_REV_MASK)

/* True if x matches in vendor and family and if x matches the given rev mask */
#define	X86_CHIPREV_MATCH(x, mask) \
	(_X86_CHIPREV_VENDOR(x) == _X86_CHIPREV_VENDOR(mask) && \
	_X86_CHIPREV_FAMILY(x) == _X86_CHIPREV_FAMILY(mask) && \
	((_X86_CHIPREV_REV(x) & _X86_CHIPREV_REV(mask)) != 0))

/* True if x matches in vendor and family and rev is at least minx */
#define	X86_CHIPREV_ATLEAST(x, minx) \
	(_X86_CHIPREV_VENDOR(x) == _X86_CHIPREV_VENDOR(minx) && \
	_X86_CHIPREV_FAMILY(x) == _X86_CHIPREV_FAMILY(minx) && \
	_X86_CHIPREV_REV(x) >= _X86_CHIPREV_REV(minx))

#define	_X86_CHIPREV_MKREV(vendor, family, rev) \
	((uint32_t)(vendor) << _X86_CHIPREV_VENDOR_SHIFT | \
	(family) << _X86_CHIPREV_FAMILY_SHIFT | (rev))

/* Revision default */
#define	X86_CHIPREV_UNKNOWN	0x0

/*
 * Definitions for AMD Family 0xf. Minor revisions C0 and CG are
 * sufficiently different that we will distinguish them; in all other
 * case we will identify the major revision.
 */
#define	X86_CHIPREV_AMD_F_REV_B _X86_CHIPREV_MKREV(X86_VENDOR_AMD, 0xf, 0x0001)
#define	X86_CHIPREV_AMD_F_REV_C0 _X86_CHIPREV_MKREV(X86_VENDOR_AMD, 0xf, 0x0002)
#define	X86_CHIPREV_AMD_F_REV_CG _X86_CHIPREV_MKREV(X86_VENDOR_AMD, 0xf, 0x0004)
#define	X86_CHIPREV_AMD_F_REV_D _X86_CHIPREV_MKREV(X86_VENDOR_AMD, 0xf, 0x0008)
#define	X86_CHIPREV_AMD_F_REV_E _X86_CHIPREV_MKREV(X86_VENDOR_AMD, 0xf, 0x0010)
#define	X86_CHIPREV_AMD_F_REV_F _X86_CHIPREV_MKREV(X86_VENDOR_AMD, 0xf, 0x0020)
#define	X86_CHIPREV_AMD_F_REV_G _X86_CHIPREV_MKREV(X86_VENDOR_AMD, 0xf, 0x0040)

/*
 * Definitions for AMD Family 0x10.  Rev A was Engineering Samples only.
 */
#define	X86_CHIPREV_AMD_10_REV_A \
	_X86_CHIPREV_MKREV(X86_VENDOR_AMD, 0x10, 0x0001)
#define	X86_CHIPREV_AMD_10_REV_B \
	_X86_CHIPREV_MKREV(X86_VENDOR_AMD, 0x10, 0x0002)

/*
 * Various socket/package types, extended as the need to distinguish
 * a new type arises.  The top 8 byte identfies the vendor and the
 * remaining 24 bits describe 24 socket types.
 */

#define	_X86_SOCKET_VENDOR_SHIFT	24
#define	_X86_SOCKET_VENDOR(x)	((x) >> _X86_SOCKET_VENDOR_SHIFT)
#define	_X86_SOCKET_TYPE_MASK	0x00ffffff
#define	_X86_SOCKET_TYPE(x)		((x) & _X86_SOCKET_TYPE_MASK)

#define	_X86_SOCKET_MKVAL(vendor, bitval) \
	((uint32_t)(vendor) << _X86_SOCKET_VENDOR_SHIFT | (bitval))

#define	X86_SOCKET_MATCH(s, mask) \
	(_X86_SOCKET_VENDOR(s) == _X86_SOCKET_VENDOR(mask) && \
	(_X86_SOCKET_TYPE(s) & _X86_SOCKET_TYPE(mask)) != 0)

#define	X86_SOCKET_UNKNOWN 0x0
	/*
	 * AMD socket types
	 */
#define	X86_SOCKET_754		_X86_SOCKET_MKVAL(X86_VENDOR_AMD, 0x000001)
#define	X86_SOCKET_939		_X86_SOCKET_MKVAL(X86_VENDOR_AMD, 0x000002)
#define	X86_SOCKET_940		_X86_SOCKET_MKVAL(X86_VENDOR_AMD, 0x000004)
#define	X86_SOCKET_S1g1		_X86_SOCKET_MKVAL(X86_VENDOR_AMD, 0x000008)
#define	X86_SOCKET_AM2		_X86_SOCKET_MKVAL(X86_VENDOR_AMD, 0x000010)
#define	X86_SOCKET_F1207	_X86_SOCKET_MKVAL(X86_VENDOR_AMD, 0x000020)

#if !defined(_ASM)

#if defined(_KERNEL) || defined(_KMEMUSER)

extern uint_t x86_feature;
extern uint_t x86_type;
extern uint_t x86_vendor;

extern uint_t pentiumpro_bug4046376;
extern uint_t pentiumpro_bug4064495;

extern uint_t enable486;

extern const char CyrixInstead[];

#endif

#if defined(_KERNEL)

/*
 * This structure is used to pass arguments and get return values back
 * from the CPUID instruction in __cpuid_insn() routine.
 */
struct cpuid_regs {
	uint32_t	cp_eax;
	uint32_t	cp_ebx;
	uint32_t	cp_ecx;
	uint32_t	cp_edx;
};

extern uint64_t rdmsr(uint_t);
extern void wrmsr(uint_t, const uint64_t);
extern uint64_t xrdmsr(uint_t);
extern void xwrmsr(uint_t, const uint64_t);
extern int checked_rdmsr(uint_t, uint64_t *);
extern int checked_wrmsr(uint_t, uint64_t);

extern void invalidate_cache(void);
extern ulong_t getcr4(void);
extern void setcr4(ulong_t);

extern void mtrr_sync(void);

extern void cpu_fast_syscall_enable(void *);
extern void cpu_fast_syscall_disable(void *);

struct cpu;

extern int cpuid_checkpass(struct cpu *, int);
extern uint32_t cpuid_insn(struct cpu *, struct cpuid_regs *);
extern uint32_t __cpuid_insn(struct cpuid_regs *);
extern int cpuid_getbrandstr(struct cpu *, char *, size_t);
extern int cpuid_getidstr(struct cpu *, char *, size_t);
extern const char *cpuid_getvendorstr(struct cpu *);
extern uint_t cpuid_getvendor(struct cpu *);
extern uint_t cpuid_getfamily(struct cpu *);
extern uint_t cpuid_getmodel(struct cpu *);
extern uint_t cpuid_getstep(struct cpu *);
extern uint_t cpuid_getsig(struct cpu *);
extern uint_t cpuid_get_ncpu_per_chip(struct cpu *);
extern uint_t cpuid_get_ncore_per_chip(struct cpu *);
extern uint_t cpuid_get_ncpu_sharing_last_cache(struct cpu *);
extern id_t cpuid_get_last_lvl_cacheid(struct cpu *);
extern int cpuid_get_chipid(struct cpu *);
extern id_t cpuid_get_coreid(struct cpu *);
extern int cpuid_get_clogid(struct cpu *);
extern int cpuid_is_cmt(struct cpu *);
extern int cpuid_syscall32_insn(struct cpu *);
extern int getl2cacheinfo(struct cpu *, int *, int *, int *);

extern uint32_t cpuid_getchiprev(struct cpu *);
extern const char *cpuid_getchiprevstr(struct cpu *);
extern uint32_t cpuid_getsockettype(struct cpu *);

extern int cpuid_opteron_erratum(struct cpu *, uint_t);

struct cpuid_info;

extern void setx86isalist(void);
extern void cpuid_alloc_space(struct cpu *);
extern void cpuid_free_space(struct cpu *);
extern uint_t cpuid_pass1(struct cpu *);
extern void cpuid_pass2(struct cpu *);
extern void cpuid_pass3(struct cpu *);
extern uint_t cpuid_pass4(struct cpu *);
extern void add_cpunode2devtree(processorid_t, struct cpuid_info *);

extern void cpuid_get_addrsize(struct cpu *, uint_t *, uint_t *);
extern uint_t cpuid_get_dtlb_nent(struct cpu *, size_t);

#if !defined(__xpv)
extern uint32_t *cpuid_mwait_alloc(struct cpu *);
extern void cpuid_mwait_free(struct cpu *);
#endif

struct cpu_ucode_info;

#if !defined(__xpv)
extern void ucode_alloc_space(struct cpu *);
extern void ucode_free_space(struct cpu *);
extern void ucode_check(struct cpu *);
extern void ucode_free();
#endif

#if !defined(__xpv)
extern	char _tsc_mfence_start;
extern	char _tsc_mfence_end;
extern	char _tscp_start;
extern	char _tscp_end;
extern	char _no_rdtsc_start;
extern	char _no_rdtsc_end;
#endif

extern uint_t workaround_errata(struct cpu *);

#if defined(OPTERON_ERRATUM_93)
extern int opteron_erratum_93;
#endif

#if defined(OPTERON_ERRATUM_91)
extern int opteron_erratum_91;
#endif

#if defined(OPTERON_ERRATUM_100)
extern int opteron_erratum_100;
#endif

#if defined(OPTERON_ERRATUM_121)
extern int opteron_erratum_121;
#endif

#if defined(OPTERON_WORKAROUND_6323525)
extern int opteron_workaround_6323525;
extern void patch_workaround_6323525(void);
#endif

#endif	/* _KERNEL */

#endif

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_X86_ARCHEXT_H */