xref: /titanic_50/usr/src/uts/intel/sys/x86_archext.h (revision cc4b03b52c062a284439a341c57a418bdfc32c70)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_X86_ARCHEXT_H
28 #define	_SYS_X86_ARCHEXT_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #if !defined(_ASM)
33 #include <sys/regset.h>
34 #include <sys/processor.h>
35 #include <vm/seg_enum.h>
36 #include <vm/page.h>
37 #endif	/* _ASM */
38 
39 #ifdef	__cplusplus
40 extern "C" {
41 #endif
42 
43 /*
44  * cpuid instruction feature flags in %edx (standard function 1)
45  */
46 
47 #define	CPUID_INTC_EDX_FPU	0x00000001	/* x87 fpu present */
48 #define	CPUID_INTC_EDX_VME	0x00000002	/* virtual-8086 extension */
49 #define	CPUID_INTC_EDX_DE	0x00000004	/* debugging extensions */
50 #define	CPUID_INTC_EDX_PSE	0x00000008	/* page size extension */
51 #define	CPUID_INTC_EDX_TSC	0x00000010	/* time stamp counter */
52 #define	CPUID_INTC_EDX_MSR	0x00000020	/* rdmsr and wrmsr */
53 #define	CPUID_INTC_EDX_PAE	0x00000040	/* physical addr extension */
54 #define	CPUID_INTC_EDX_MCE	0x00000080	/* machine check exception */
55 #define	CPUID_INTC_EDX_CX8	0x00000100	/* cmpxchg8b instruction */
56 #define	CPUID_INTC_EDX_APIC	0x00000200	/* local APIC */
57 						/* 0x400 - reserved */
58 #define	CPUID_INTC_EDX_SEP	0x00000800	/* sysenter and sysexit */
59 #define	CPUID_INTC_EDX_MTRR	0x00001000	/* memory type range reg */
60 #define	CPUID_INTC_EDX_PGE	0x00002000	/* page global enable */
61 #define	CPUID_INTC_EDX_MCA	0x00004000	/* machine check arch */
62 #define	CPUID_INTC_EDX_CMOV	0x00008000	/* conditional move insns */
63 #define	CPUID_INTC_EDX_PAT	0x00010000	/* page attribute table */
64 #define	CPUID_INTC_EDX_PSE36	0x00020000	/* 36-bit pagesize extension */
65 #define	CPUID_INTC_EDX_PSN	0x00040000	/* processor serial number */
66 #define	CPUID_INTC_EDX_CLFSH	0x00080000	/* clflush instruction */
67 						/* 0x100000 - reserved */
68 #define	CPUID_INTC_EDX_DS	0x00200000	/* debug store exists */
69 #define	CPUID_INTC_EDX_ACPI	0x00400000	/* monitoring + clock ctrl */
70 #define	CPUID_INTC_EDX_MMX	0x00800000	/* MMX instructions */
71 #define	CPUID_INTC_EDX_FXSR	0x01000000	/* fxsave and fxrstor */
72 #define	CPUID_INTC_EDX_SSE	0x02000000	/* streaming SIMD extensions */
73 #define	CPUID_INTC_EDX_SSE2	0x04000000	/* SSE extensions */
74 #define	CPUID_INTC_EDX_SS	0x08000000	/* self-snoop */
75 #define	CPUID_INTC_EDX_HTT	0x10000000	/* Hyper Thread Technology */
76 #define	CPUID_INTC_EDX_TM	0x20000000	/* thermal monitoring */
77 						/* 0x40000000 - reserved */
78 #define	CPUID_INTC_EDX_PBE	0x80000000	/* Pending Break Enable */
79 
80 #define	FMT_CPUID_INTC_EDX				\
81 	"\20"						\
82 	"\40pbe\36tm\35htt\34ss\33sse2\32sse\31fxsr"	\
83 	"\30mmx\27acpi\26ds\24clfsh\23psn\22pse36\21pat"\
84 	"\20cmov\17mca\16pge\15mtrr\14sep\12apic\11cx8"	\
85 	"\10mce\7pae\6msr\5tsc\4pse\3de\2vme\1fpu"
86 
87 /*
88  * cpuid instruction feature flags in %ecx (standard function 1)
89  */
90 
91 #define	CPUID_INTC_ECX_SSE3	0x00000001	/* Yet more SSE extensions */
92 						/* 0x00000002 - reserved */
93 						/* 0x00000004 - reserved */
94 #define	CPUID_INTC_ECX_MON	0x00000008	/* MONITOR/MWAIT */
95 #define	CPUID_INTC_ECX_DSCPL	0x00000010	/* CPL-qualified debug store */
96 						/* 0x00000020 - reserved */
97 						/* 0x00000040 - reserved */
98 #define	CPUID_INTC_ECX_EST	0x00000080	/* enhanced SpeedStep */
99 #define	CPUID_INTC_ECX_TM2	0x00000100	/* thermal monitoring */
100 						/* 0x00000200 - reserved */
101 #define	CPUID_INTC_ECX_CID	0x00000400	/* L1 context ID */
102 						/* 0x00000800 - reserved */
103 						/* 0x00001000 - reserved */
104 						/* 0x00002000 - reserved */
105 #define	CPUID_INTC_ECX_CX16	0x00002000	/* CMPXCHG16B */
106 #define	CPUID_INTC_ECX_XTPR	0x00004000	/* disable task pri messages */
107 
108 #define	FMT_CPUID_INTC_ECX			\
109 	"\20"					\
110 	"\20\17xtpr\16cx16\13cid\11tm2"		\
111 	"\10est\5dscpl\4monitor\1sse3"
112 
113 /*
114  * cpuid instruction feature flags in %edx (extended function 0x80000001)
115  */
116 
117 #define	CPUID_AMD_EDX_FPU	0x00000001	/* x87 fpu present */
118 #define	CPUID_AMD_EDX_VME	0x00000002	/* virtual-8086 extension */
119 #define	CPUID_AMD_EDX_DE	0x00000004	/* debugging extensions */
120 #define	CPUID_AMD_EDX_PSE	0x00000008	/* page size extensions */
121 #define	CPUID_AMD_EDX_TSC	0x00000010	/* time stamp counter */
122 #define	CPUID_AMD_EDX_MSR	0x00000020	/* rdmsr and wrmsr */
123 #define	CPUID_AMD_EDX_PAE	0x00000040	/* physical addr extension */
124 #define	CPUID_AMD_EDX_MCE	0x00000080	/* machine check exception */
125 #define	CPUID_AMD_EDX_CX8	0x00000100	/* cmpxchg8b instruction */
126 #define	CPUID_AMD_EDX_APIC	0x00000200	/* local APIC */
127 						/* 0x00000400 - sysc on K6m6 */
128 #define	CPUID_AMD_EDX_SYSC	0x00000800	/* AMD: syscall and sysret */
129 #define	CPUID_AMD_EDX_MTRR	0x00001000	/* memory type and range reg */
130 #define	CPUID_AMD_EDX_PGE	0x00002000	/* page global enable */
131 #define	CPUID_AMD_EDX_MCA	0x00004000	/* machine check arch */
132 #define	CPUID_AMD_EDX_CMOV	0x00008000	/* conditional move insns */
133 #define	CPUID_AMD_EDX_PAT	0x00010000	/* page attribute table */
134 #define	CPUID_AMD_EDX_PSE36	0x00020000	/* 36-bit pagesize extension */
135 				/* 0x00040000 - reserved */
136 				/* 0x00080000 - reserved */
137 #define	CPUID_AMD_EDX_NX	0x00100000	/* AMD: no-execute page prot */
138 				/* 0x00200000 - reserved */
139 #define	CPUID_AMD_EDX_MMXamd	0x00400000	/* AMD: MMX extensions */
140 #define	CPUID_AMD_EDX_MMX	0x00800000	/* MMX instructions */
141 #define	CPUID_AMD_EDX_FXSR	0x01000000	/* fxsave and fxrstor */
142 				/* 0x02000000 - reserved */
143 				/* 0x04000000 - reserved */
144 				/* 0x08000000 - reserved */
145 				/* 0x10000000 - reserved */
146 #define	CPUID_AMD_EDX_LM	0x20000000	/* AMD: long mode */
147 #define	CPUID_AMD_EDX_3DNowx	0x40000000	/* AMD: extensions to 3DNow! */
148 #define	CPUID_AMD_EDX_3DNow	0x80000000	/* AMD: 3DNow! instructions */
149 
150 #define	FMT_CPUID_AMD_EDX					\
151 	"\20"							\
152 	"\40a3d\37a3d+\36lm\31fxsr"				\
153 	"\30mmx\27mmxext\25nx\22pse\21pat"			\
154 	"\20cmov\17mca\16pge\15mtrr\14syscall\12apic\11cx8"	\
155 	"\10mce\7pae\6msr\5tsc\4pse\3de\2vme\1fpu"
156 
157 #define	CPUID_AMD_ECX_CMP_LEGACY 0x00000010	/* AMD: multi-core chip */
158 
159 #define	FMT_CPUID_AMD_ECX					\
160 	"\20"							\
161 	"\1htvalid"
162 
163 #define	P5_MCHADDR	0x0
164 #define	P5_CESR		0x11
165 #define	P5_CTR0		0x12
166 #define	P5_CTR1		0x13
167 
168 #define	K5_MCHADDR	0x0
169 #define	K5_MCHTYPE	0x01
170 #define	K5_TSC		0x10
171 #define	K5_TR12		0x12
172 
173 #define	REG_MTRRCAP		0xfe
174 #define	REG_MTRRDEF		0x2ff
175 #define	REG_MTRR64K		0x250
176 #define	REG_MTRR16K1		0x258
177 #define	REG_MTRR16K2		0x259
178 #define	REG_MTRR4K1		0x268
179 #define	REG_MTRR4K2		0x269
180 #define	REG_MTRR4K3		0x26a
181 #define	REG_MTRR4K4		0x26b
182 #define	REG_MTRR4K5		0x26c
183 #define	REG_MTRR4K6		0x26d
184 #define	REG_MTRR4K7		0x26e
185 #define	REG_MTRR4K8		0x26f
186 #define	REG_MTRRPAT		0x277
187 
188 #define	REG_MTRRPHYSBASE0	0x200
189 #define	REG_MTRRPHYSMASK7	0x20f
190 #define	REG_MC0_CTL		0x400
191 #define	REG_MC5_MISC		0x417
192 #define	REG_PERFCTR0		0xc1
193 #define	REG_PERFCTR1		0xc2
194 
195 #define	REG_PERFEVNT0		0x186
196 #define	REG_PERFEVNT1		0x187
197 
198 #define	REG_TSC			0x10	/* timestamp counter */
199 #define	REG_APIC_BASE_MSR	0x1b
200 
201 #define	MSR_DEBUGCTL		0x1d9
202 
203 #define	DEBUGCTL_LBR		0x01
204 #define	DEBUGCTL_BTF		0x02
205 
206 /* Intel P6, AMD */
207 #define	MSR_LBR_FROM		0x1db
208 #define	MSR_LBR_TO		0x1dc
209 #define	MSR_LEX_FROM		0x1dd
210 #define	MSR_LEX_TO		0x1de
211 
212 /* Intel P4 (pre-Prescott, non P4 M) */
213 #define	MSR_P4_LBSTK_TOS	0x1da
214 #define	MSR_P4_LBSTK_0		0x1db
215 #define	MSR_P4_LBSTK_1		0x1dc
216 #define	MSR_P4_LBSTK_2		0x1dd
217 #define	MSR_P4_LBSTK_3		0x1de
218 
219 /* Intel Pentium M */
220 #define	MSR_P6M_LBSTK_TOS	0x1c9
221 #define	MSR_P6M_LBSTK_0		0x040
222 #define	MSR_P6M_LBSTK_1		0x041
223 #define	MSR_P6M_LBSTK_2		0x042
224 #define	MSR_P6M_LBSTK_3		0x043
225 #define	MSR_P6M_LBSTK_4		0x044
226 #define	MSR_P6M_LBSTK_5		0x045
227 #define	MSR_P6M_LBSTK_6		0x046
228 #define	MSR_P6M_LBSTK_7		0x047
229 
230 /* Intel P4 (Prescott) */
231 #define	MSR_PRP4_LBSTK_TOS	0x1da
232 #define	MSR_PRP4_LBSTK_FROM_0	0x680
233 #define	MSR_PRP4_LBSTK_FROM_1	0x681
234 #define	MSR_PRP4_LBSTK_FROM_2	0x682
235 #define	MSR_PRP4_LBSTK_FROM_3	0x683
236 #define	MSR_PRP4_LBSTK_FROM_4	0x684
237 #define	MSR_PRP4_LBSTK_FROM_5	0x685
238 #define	MSR_PRP4_LBSTK_FROM_6	0x686
239 #define	MSR_PRP4_LBSTK_FROM_7	0x687
240 #define	MSR_PRP4_LBSTK_FROM_8 	0x688
241 #define	MSR_PRP4_LBSTK_FROM_9	0x689
242 #define	MSR_PRP4_LBSTK_FROM_10	0x68a
243 #define	MSR_PRP4_LBSTK_FROM_11 	0x68b
244 #define	MSR_PRP4_LBSTK_FROM_12	0x68c
245 #define	MSR_PRP4_LBSTK_FROM_13	0x68d
246 #define	MSR_PRP4_LBSTK_FROM_14	0x68e
247 #define	MSR_PRP4_LBSTK_FROM_15	0x68f
248 #define	MSR_PRP4_LBSTK_TO_0	0x6c0
249 #define	MSR_PRP4_LBSTK_TO_1	0x6c1
250 #define	MSR_PRP4_LBSTK_TO_2	0x6c2
251 #define	MSR_PRP4_LBSTK_TO_3	0x6c3
252 #define	MSR_PRP4_LBSTK_TO_4	0x6c4
253 #define	MSR_PRP4_LBSTK_TO_5	0x6c5
254 #define	MSR_PRP4_LBSTK_TO_6	0x6c6
255 #define	MSR_PRP4_LBSTK_TO_7	0x6c7
256 #define	MSR_PRP4_LBSTK_TO_8	0x6c8
257 #define	MSR_PRP4_LBSTK_TO_9 	0x6c9
258 #define	MSR_PRP4_LBSTK_TO_10	0x6ca
259 #define	MSR_PRP4_LBSTK_TO_11	0x6cb
260 #define	MSR_PRP4_LBSTK_TO_12	0x6cc
261 #define	MSR_PRP4_LBSTK_TO_13	0x6cd
262 #define	MSR_PRP4_LBSTK_TO_14	0x6ce
263 #define	MSR_PRP4_LBSTK_TO_15	0x6cf
264 
265 #define	REG_MCG_CAP		0x179
266 #define	REG_MCG_STATUS		0x17a
267 #define	REG_MCG_CTL		0x17b
268 
269 #define	REG_MC0_CTL		0x400
270 #define	REG_MC0_STATUS		0x401
271 #define	REG_MC0_ADDR		0x402
272 #define	REG_MC0_MISC		0x403
273 #define	REG_MC1_CTL		0x404
274 #define	REG_MC1_STATUS		0x405
275 #define	REG_MC1_ADDR		0x406
276 #define	REG_MC1_MISC		0x407
277 #define	REG_MC2_CTL		0x408
278 #define	REG_MC2_STATUS		0x409
279 #define	REG_MC2_ADDR		0x40a
280 #define	REG_MC2_MISC		0x40b
281 #define	REG_MC4_CTL		0x40c
282 #define	REG_MC4_STATUS		0x40d
283 #define	REG_MC4_ADDR		0x40e
284 #define	REG_MC4_MISC		0x40f
285 #define	REG_MC3_CTL		0x410
286 #define	REG_MC3_STATUS		0x411
287 #define	REG_MC3_ADDR		0x412
288 #define	REG_MC3_MISC		0x413
289 
290 #define	P6_MCG_CAP_COUNT	5
291 #define	MCG_CAP_COUNT_MASK	0xff
292 #define	MCG_CAP_CTL_P		0x100
293 
294 #define	MCG_STATUS_RIPV		0x01
295 #define	MCG_STATUS_EIPV		0x02
296 #define	MCG_STATUS_MCIP		0x04
297 
298 #define	MCG_CTL_VALUE		0xffffffff
299 
300 #define	MCI_CTL_VALUE		0xffffffff
301 #define	MCI_STATUS_ERRCODE	0xffff
302 #define	MCI_STATUS_MSERRCODE	0xffff0000
303 #define	MCI_STATUS_PCC		((long long)0x200000000000000)
304 #define	MCI_STATUS_ADDRV	((long long)0x400000000000000)
305 #define	MCI_STATUS_MISCV	((long long)0x800000000000000)
306 #define	MCI_STATUS_EN		((long long)0x1000000000000000)
307 #define	MCI_STATUS_UC		((long long)0x2000000000000000)
308 #define	MCI_STATUS_O		((long long)0x4000000000000000)
309 #define	MCI_STATUS_VAL		((long long)0x8000000000000000)
310 
311 #define	MSERRCODE_SHFT		16
312 
313 
314 #define	MTRRTYPE_MASK		0xff
315 
316 
317 #define	MTRRCAP_FIX		0x100
318 #define	MTRRCAP_VCNTMASK	0xff
319 #define	MTRRCAP_USWC		0x400
320 
321 #define	MTRRDEF_E		0x800
322 #define	MTRRDEF_FE		0x400
323 
324 #define	MTRRPHYSMASK_V		0x800
325 
326 #define	MTRR_TYPE_UC		0
327 #define	MTRR_TYPE_WC		1
328 #define	MTRR_TYPE_WT		4
329 #define	MTRR_TYPE_WP		5
330 #define	MTRR_TYPE_WB		6
331 
332 /*
333  * Page attribute table is setup in the following way
334  * PAT0	Write-BACK
335  * PAT1	Write-Through
336  * PAT2	Unchacheable
337  * PAT3	Uncacheable
338  * PAT4 Uncacheable
339  * PAT5	Write-Protect
340  * PAT6	Write-Combine
341  * PAT7 Uncacheable
342  */
343 #define	PAT_DEFAULT_ATTRIBUTE \
344 	((uint64_t)MTRR_TYPE_WC << 48)|((uint64_t)MTRR_TYPE_WP << 40)| \
345 	(MTRR_TYPE_WT << 8)|(MTRR_TYPE_WB)
346 
347 
348 #define	MTRR_SETTYPE(a, t)	((a &= (uint64_t)~0xff),\
349 				    (a |= ((t) & 0xff)))
350 #define	MTRR_SETVINVALID(a)	((a) &= ~MTRRPHYSMASK_V)
351 
352 
353 #define	MTRR_SETVBASE(a, b, t)	((a) =\
354 					((((uint64_t)(b)) & 0xffffff000)|\
355 					(((uint32_t)(t)) & 0xff)))
356 
357 #define	MTRR_SETVMASK(a, s, v) ((a) =\
358 				((~(((uint64_t)(s)) - 1) & 0xffffff000)|\
359 					(((uint32_t)(v)) << 11)))
360 
361 #define	MTRR_GETVBASE(a)	(((uint64_t)(a)) & 0xffffff000)
362 #define	MTRR_GETVTYPE(a)	(((uint64_t)(a)) & 0xff)
363 #define	MTRR_GETVSIZE(a)	((~((uint64_t)(a)) + 1) & 0xffffff000)
364 
365 
366 #define	MAX_MTRRVAR	8
367 
368 #if !defined(_ASM)
369 typedef	struct	mtrrvar {
370 	uint64_t	mtrrphys_base;
371 	uint64_t	mtrrphys_mask;
372 } mtrrvar_t;
373 #endif	/* _ASM */
374 
375 #define	X86_LARGEPAGE	0x00000001
376 #define	X86_TSC		0x00000002
377 #define	X86_MSR		0x00000004
378 #define	X86_MTRR	0x00000008
379 #define	X86_PGE		0x00000010
380 #define	X86_CMOV	0x00000040
381 #define	X86_MMX 	0x00000080
382 #define	X86_MCA		0x00000100
383 #define	X86_PAE		0x00000200
384 #define	X86_CX8		0x00000400
385 #define	X86_PAT		0x00000800
386 #define	X86_SEP		0x00001000
387 #define	X86_SSE		0x00002000
388 #define	X86_SSE2	0x00004000
389 #define	X86_HTT		0x00008000
390 #define	X86_ASYSC	0x00010000
391 #define	X86_NX		0x00020000
392 #define	X86_SSE3	0x00040000
393 #define	X86_CX16	0x00080000
394 #define	X86_CMP		0x00100000
395 #define	X86_CPUID	0x01000000
396 
397 #define	FMT_X86_FEATURE						\
398 	"\20"							\
399 	"\31cpuid"						\
400 	"\25cmp\24cx16\23sse3\22nx\21asysc"			\
401 	"\20htt\17sse2\16sse\15sep\14pat\13cx8\12pae\11mca"	\
402 	"\10mmx\7cmov\5pge\4mtrr\3msr\2tsc\1lgpg"
403 
404 /*
405  * x86_type is a legacy concept; this is supplanted
406  * for most purposes by x86_feature; modern CPUs
407  * should be X86_TYPE_OTHER
408  */
409 #define	X86_TYPE_OTHER		0
410 #define	X86_TYPE_486		1
411 #define	X86_TYPE_P5		2
412 #define	X86_TYPE_P6		3
413 #define	X86_TYPE_CYRIX_486	4
414 #define	X86_TYPE_CYRIX_6x86L	5
415 #define	X86_TYPE_CYRIX_6x86	6
416 #define	X86_TYPE_CYRIX_GXm	7
417 #define	X86_TYPE_CYRIX_6x86MX	8
418 #define	X86_TYPE_CYRIX_MediaGX	9
419 #define	X86_TYPE_CYRIX_MII	10
420 #define	X86_TYPE_VIA_CYRIX_III	11
421 #define	X86_TYPE_P4		12
422 
423 /*
424  * x86_vendor allows us to select between
425  * implementation features and helps guide
426  * the interpretation of the cpuid instruction.
427  */
428 #define	X86_VENDOR_Intel	0	/* GenuineIntel */
429 #define	X86_VENDOR_IntelClone	1	/* (an Intel clone) */
430 #define	X86_VENDOR_AMD		2	/* AuthenticAMD */
431 #define	X86_VENDOR_Cyrix	3	/* CyrixInstead */
432 #define	X86_VENDOR_UMC		4	/* UMC UMC UMC  */
433 #define	X86_VENDOR_NexGen	5	/* NexGenDriven */
434 #define	X86_VENDOR_Centaur	6	/* CentaurHauls */
435 #define	X86_VENDOR_Rise		7	/* RiseRiseRise */
436 #define	X86_VENDOR_SiS		8	/* SiS SiS SiS  */
437 #define	X86_VENDOR_TM		9	/* GenuineTMx86 */
438 #define	X86_VENDOR_NSC		10	/* Geode by NSC */
439 
440 #if !defined(_ASM)
441 
442 #if defined(_KERNEL) || defined(_KMEMUSER)
443 
444 extern uint_t x86_feature;
445 extern uint_t x86_type;
446 extern uint_t x86_vendor;
447 
448 extern ulong_t cr4_value;
449 extern uint_t pentiumpro_bug4046376;
450 extern uint_t pentiumpro_bug4064495;
451 
452 extern uint_t enable486;
453 
454 extern const char CyrixInstead[];
455 
456 #endif
457 
458 #if defined(_KERNEL)
459 
460 /*
461  * This structure is used to pass arguments and get return values back
462  * from the CPUID instruction in __cpuid_insn() routine.
463  */
464 struct cpuid_regs {
465 	uint32_t	cp_eax;
466 	uint32_t	cp_ebx;
467 	uint32_t	cp_ecx;
468 	uint32_t	cp_edx;
469 };
470 
471 extern uint64_t rdmsr(uint_t);
472 extern void wrmsr(uint_t, const uint64_t);
473 extern void invalidate_cache(void);
474 struct regs;
475 extern int mca_exception(struct regs *);
476 extern ulong_t getcr4(void);
477 extern void setcr4(ulong_t);
478 extern void mtrr_sync(void);
479 
480 extern void cpu_fast_syscall_enable(void *);
481 extern void cpu_fast_syscall_disable(void *);
482 
483 struct cpu;
484 
485 extern int cpuid_checkpass(struct cpu *, int);
486 extern uint32_t cpuid_insn(struct cpu *, struct cpuid_regs *);
487 extern uint32_t __cpuid_insn(struct cpuid_regs *);
488 extern int cpuid_getbrandstr(struct cpu *, char *, size_t);
489 extern int cpuid_getidstr(struct cpu *, char *, size_t);
490 extern const char *cpuid_getvendorstr(struct cpu *);
491 extern uint_t cpuid_getvendor(struct cpu *);
492 extern uint_t cpuid_getfamily(struct cpu *);
493 extern uint_t cpuid_getmodel(struct cpu *);
494 extern uint_t cpuid_getstep(struct cpu *);
495 extern uint_t cpuid_get_ncpu_per_chip(struct cpu *);
496 extern uint_t cpuid_get_ncore_per_chip(struct cpu *);
497 extern int cpuid_is_cmt(struct cpu *);
498 extern int cpuid_syscall32_insn(struct cpu *);
499 extern int getl2cacheinfo(struct cpu *, int *, int *, int *);
500 
501 extern int cpuid_opteron_erratum(struct cpu *, uint_t);
502 
503 struct cpuid_info;
504 
505 extern void setx86isalist(void);
506 extern uint_t cpuid_pass1(struct cpu *);
507 extern void cpuid_pass2(struct cpu *);
508 extern void cpuid_pass3(struct cpu *);
509 extern uint_t cpuid_pass4(struct cpu *);
510 extern void add_cpunode2devtree(processorid_t, struct cpuid_info *);
511 
512 extern void cpuid_get_addrsize(struct cpu *, uint_t *, uint_t *);
513 extern uint_t cpuid_get_dtlb_nent(struct cpu *, size_t);
514 
515 extern uint_t workaround_errata(struct cpu *);
516 
517 #if defined(OPTERON_ERRATUM_93)
518 extern int opteron_erratum_93;
519 #endif
520 
521 #if defined(OPTERON_ERRATUM_91)
522 extern int opteron_erratum_91;
523 #endif
524 
525 #if defined(OPTERON_ERRATUM_100)
526 extern int opteron_erratum_100;
527 #endif
528 
529 #if defined(OPTERON_ERRATUM_121)
530 extern int opteron_erratum_121;
531 #endif
532 
533 #endif	/* _KERNEL */
534 
535 #endif
536 
537 #ifdef	__cplusplus
538 }
539 #endif
540 
541 #endif	/* _SYS_X86_ARCHEXT_H */
542