xref: /dragonfly/sys/cpu/x86_64/include/specialreg.h (revision e8c03636)
1 /*-
2  * Copyright (c) 1991 The Regents of the University of California.
3  * Copyright (c) 2008 The DragonFly Project.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 4. Neither the name of the University nor the names of its contributors
15  *    may be used to endorse or promote products derived from this software
16  *    without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  *	from: @(#)specialreg.h	7.1 (Berkeley) 5/9/91
31  * $FreeBSD: src/sys/amd64/include/specialreg.h,v 1.39 2007/05/31 11:26:44 des Exp $
32  */
33 
34 #ifndef _CPU_SPECIALREG_H_
35 #define	_CPU_SPECIALREG_H_
36 
37 /*
38  * Bits in 386 special registers:
39  */
40 #define	CR0_PE	0x00000001	/* Protected mode Enable */
41 #define	CR0_MP	0x00000002	/* "Math" (fpu) Present */
42 #define	CR0_EM	0x00000004	/* EMulate FPU instructions. (trap ESC only) */
43 #define	CR0_TS	0x00000008	/* Task Switched (if MP, trap ESC and WAIT) */
44 #define	CR0_PG	0x80000000	/* Paging enable */
45 
46 /*
47  * Bits in 486 special registers:
48  */
49 #define	CR0_NE	0x00000020	/* Numeric Error enable (EX16 vs IRQ13) */
50 #define	CR0_WP	0x00010000	/* Write Protect (honor page protect in	all modes) */
51 #define	CR0_AM	0x00040000	/* Alignment Mask (set to enable AC flag) */
52 #define	CR0_NW  0x20000000	/* Not Write-through */
53 #define	CR0_CD  0x40000000	/* Cache Disable */
54 
55 /*
56  * Bits in CR4 special register
57  */
58 #define	CR4_VME		0x00000001	/* Virtual 8086 mode extensions */
59 #define	CR4_PVI		0x00000002	/* Protected-mode virtual interrupts */
60 #define	CR4_TSD		0x00000004	/* Time stamp disable */
61 #define	CR4_DE		0x00000008	/* Debugging extensions */
62 #define	CR4_PSE		0x00000010	/* Page size extensions */
63 #define	CR4_PAE		0x00000020	/* Physical address extension */
64 #define	CR4_MCE		0x00000040	/* Machine check enable */
65 #define	CR4_PGE		0x00000080	/* Page global enable */
66 #define	CR4_PCE		0x00000100	/* Performance monitoring counter enable */
67 #define	CR4_FXSR	0x00000200	/* Fast FPU save/restore used by OS */
68 #define	CR4_XMM		0x00000400	/* Enable SIMD/MMX2 to use except 16 */
69 #define	CR4_XSAVE	0x00040000	/* Enable XSave (for AVX Instructions)*/
70 
71 /*
72  * Bits in x86_64 special registers.  EFER is 64 bits wide.
73  */
74 #define	EFER_SCE	0x000000001	/* System Call Extensions (R/W) */
75 #define	EFER_LME	0x000000100	/* Long mode enable (R/W) */
76 #define	EFER_LMA	0x000000400	/* Long mode active (R) */
77 #define	EFER_NXE	0x000000800	/* PTE No-Execute bit enable (R/W) */
78 
79 /*
80  * CPUID instruction features register
81  */
82 #define	CPUID_FPU	0x00000001
83 #define	CPUID_VME	0x00000002
84 #define	CPUID_DE	0x00000004
85 #define	CPUID_PSE	0x00000008
86 #define	CPUID_TSC	0x00000010
87 #define	CPUID_MSR	0x00000020
88 #define	CPUID_PAE	0x00000040
89 #define	CPUID_MCE	0x00000080
90 #define	CPUID_CX8	0x00000100
91 #define	CPUID_APIC	0x00000200
92 #define	CPUID_B10	0x00000400
93 #define	CPUID_SEP	0x00000800
94 #define	CPUID_MTRR	0x00001000
95 #define	CPUID_PGE	0x00002000
96 #define	CPUID_MCA	0x00004000
97 #define	CPUID_CMOV	0x00008000
98 #define	CPUID_PAT	0x00010000
99 #define	CPUID_PSE36	0x00020000
100 #define	CPUID_PSN	0x00040000
101 #define	CPUID_CLFSH	0x00080000
102 #define	CPUID_B20	0x00100000
103 #define	CPUID_DS	0x00200000
104 #define	CPUID_ACPI	0x00400000
105 #define	CPUID_MMX	0x00800000
106 #define	CPUID_FXSR	0x01000000
107 #define	CPUID_SSE	0x02000000
108 #define	CPUID_XMM	0x02000000
109 #define	CPUID_SSE2	0x04000000
110 #define	CPUID_SS	0x08000000
111 #define	CPUID_HTT	0x10000000
112 #define	CPUID_TM	0x20000000
113 #define	CPUID_IA64	0x40000000
114 #define	CPUID_PBE	0x80000000
115 
116 #define	CPUID2_SSE3	0x00000001
117 #define	CPUID2_PCLMULQDQ 0x00000002
118 #define	CPUID2_DTES64	0x00000004
119 #define	CPUID2_MON	0x00000008
120 #define	CPUID2_DS_CPL	0x00000010
121 #define	CPUID2_VMX	0x00000020
122 #define	CPUID2_SMX	0x00000040
123 #define	CPUID2_EST	0x00000080
124 #define	CPUID2_TM2	0x00000100
125 #define	CPUID2_SSSE3	0x00000200
126 #define	CPUID2_CNXTID	0x00000400
127 #define	CPUID2_CX16	0x00002000
128 #define	CPUID2_XTPR	0x00004000
129 #define	CPUID2_PDCM	0x00008000
130 #define	CPUID2_DCA	0x00040000
131 #define	CPUID2_SSE41	0x00080000
132 #define	CPUID2_SSE42	0x00100000
133 #define	CPUID2_X2APIC	0x00200000
134 #define	CPUID2_POPCNT	0x00800000
135 #define	CPUID2_AESNI	0x02000000	/* AES Instruction Set */
136 #define	CPUID2_XSAVE    0x04000000	/* XSave supported by CPU */
137 #define	CPUID2_OSXSAVE  0x08000000      /* XSave and AVX supported by OS */
138 #define	CPUID2_AVX	0x10000000      /* AVX instruction set support */
139 #define	CPUID2_F16C	0x20000000	/* CVT16 instruction set support */
140 #define	CPUID2_RDRAND	0x40000000	/* RdRand. On chip random numbers */
141 #define	CPUID2_VMM	0x80000000	/* AMD 25481 2.34 page 11 */
142 
143 /*Bits related to the XFEATURE_ENABLED_MASK control register*/
144 #define	CPU_XFEATURE_X87	0x00000001
145 #define	CPU_XFEATURE_SSE	0x00000002
146 #define	CPU_XFEATURE_YMM	0x00000004
147 
148 /*
149  * Important bits in the AMD extended cpuid flags
150  */
151 #define	AMDID_SYSCALL	0x00000800
152 #define	AMDID_MP	0x00080000
153 #define	AMDID_NX	0x00100000
154 #define	AMDID_EXT_MMX	0x00400000
155 #define	AMDID_FFXSR	0x01000000
156 #define	AMDID_PAGE1GB	0x04000000
157 #define	AMDID_RDTSCP	0x08000000
158 #define	AMDID_LM	0x20000000
159 #define	AMDID_EXT_3DNOW	0x40000000
160 #define	AMDID_3DNOW	0x80000000
161 
162 #define	AMDID2_LAHF	0x00000001
163 #define	AMDID2_CMP	0x00000002
164 #define	AMDID2_SVM	0x00000004
165 #define	AMDID2_EXT_APIC	0x00000008
166 #define	AMDID2_CR8	0x00000010
167 #define	AMDID2_ABM	0x00000020
168 #define	AMDID2_SSE4A	0x00000040
169 #define	AMDID2_MAS	0x00000080
170 #define	AMDID2_PREFETCH	0x00000100
171 #define	AMDID2_OSVW	0x00000200
172 #define	AMDID2_IBS	0x00000400
173 #define	AMDID2_SSE5	0x00000800
174 #define	AMDID2_SKINIT	0x00001000
175 #define	AMDID2_WDT	0x00002000
176 
177 /*
178  * CPUID instruction 1 eax info
179  */
180 #define	CPUID_STEPPING		0x0000000f
181 #define	CPUID_MODEL		0x000000f0
182 #define	CPUID_FAMILY		0x00000f00
183 #define	CPUID_EXT_MODEL		0x000f0000
184 #define	CPUID_EXT_FAMILY	0x0ff00000
185 #define	CPUID_TO_MODEL(id) \
186     ((((id) & CPUID_MODEL) >> 4) | \
187     (((id) & CPUID_EXT_MODEL) >> 12))
188 #define	CPUID_TO_FAMILY(id) \
189     ((((id) & CPUID_FAMILY) >> 8) + \
190     (((id) & CPUID_EXT_FAMILY) >> 20))
191 
192 /*
193  * CPUID instruction 1 ebx info
194  */
195 #define	CPUID_BRAND_INDEX	0x000000ff
196 #define	CPUID_CLFUSH_SIZE	0x0000ff00
197 #define	CPUID_HTT_CORES		0x00ff0000
198 #define	CPUID_HTT_CORE_SHIFT	16
199 #define	CPUID_LOCAL_APIC_ID	0xff000000
200 
201 /*
202  * AMD extended function 8000_0008h ecx info
203  */
204 #define	AMDID_CMP_CORES		0x000000ff
205 #define	AMDID_COREID_SIZE	0x0000f000
206 #define	AMDID_COREID_SIZE_SHIFT	12
207 
208 /*
209  * INTEL Deterministic Cache Parameters
210  * (Function 04h)
211  */
212 #define	FUNC_4_MAX_CORE_NO(eax)	((((eax) >> 26) & 0x3f))
213 
214 /*
215  * INTEL x2APIC Features / Processor topology
216  * (Function 0Bh)
217  */
218 #define	FUNC_B_THREAD_LEVEL	0
219 
220 #define	FUNC_B_INVALID_TYPE	0
221 #define	FUNC_B_THREAD_TYPE	1
222 #define	FUNC_B_CORE_TYPE	2
223 
224 #define	FUNC_B_TYPE(ecx)	(((ecx) >> 8) & 0xff)
225 #define	FUNC_B_BITS_SHIFT_NEXT_LEVEL(eax)	((eax) & 0x1f)
226 #define	FUNC_B_LEVEL_MAX_SIBLINGS(ebx)	((ebx) & 0xffff)
227 
228 /*
229  * CPUID manufacturers identifiers
230  */
231 #define	AMD_VENDOR_ID		"AuthenticAMD"
232 #define	CENTAUR_VENDOR_ID	"CentaurHauls"
233 #define	INTEL_VENDOR_ID		"GenuineIntel"
234 
235 /*
236  * Model-specific registers for the i386 family
237  */
238 #define	MSR_P5_MC_ADDR		0x000
239 #define	MSR_P5_MC_TYPE		0x001
240 #define	MSR_TSC			0x010
241 #define	MSR_P5_CESR		0x011
242 #define	MSR_P5_CTR0		0x012
243 #define	MSR_P5_CTR1		0x013
244 #define	MSR_IA32_PLATFORM_ID	0x017
245 #define	MSR_APICBASE		0x01b
246 #define	MSR_EBL_CR_POWERON	0x02a
247 #define	MSR_TEST_CTL		0x033
248 #define	MSR_BIOS_UPDT_TRIG	0x079
249 #define	MSR_BBL_CR_D0		0x088
250 #define	MSR_BBL_CR_D1		0x089
251 #define	MSR_BBL_CR_D2		0x08a
252 #define	MSR_BIOS_SIGN		0x08b
253 #define	MSR_PERFCTR0		0x0c1
254 #define	MSR_PERFCTR1		0x0c2
255 #define	MSR_IA32_EXT_CONFIG	0x0ee	/* Undocumented. Core Solo/Duo only */
256 #define	MSR_MTRRcap		0x0fe
257 #define	MSR_BBL_CR_ADDR		0x116
258 #define	MSR_BBL_CR_DECC		0x118
259 #define	MSR_BBL_CR_CTL		0x119
260 #define	MSR_BBL_CR_TRIG		0x11a
261 #define	MSR_BBL_CR_BUSY		0x11b
262 #define	MSR_BBL_CR_CTL3		0x11e
263 #define	MSR_SYSENTER_CS_MSR	0x174
264 #define	MSR_SYSENTER_ESP_MSR	0x175
265 #define	MSR_SYSENTER_EIP_MSR	0x176
266 #define	MSR_MCG_CAP		0x179
267 #define	MSR_MCG_STATUS		0x17a
268 #define	MSR_MCG_CTL		0x17b
269 #define	MSR_EVNTSEL0		0x186
270 #define	MSR_EVNTSEL1		0x187
271 #define	MSR_THERM_CONTROL	0x19a
272 #define	MSR_THERM_INTERRUPT	0x19b
273 #define	MSR_THERM_STATUS	0x19c
274 #define	MSR_IA32_MISC_ENABLE	0x1a0
275 #define	MSR_IA32_TEMPERATURE_TARGET	0x1a2
276 #define	MSR_DEBUGCTLMSR		0x1d9
277 #define	MSR_LASTBRANCHFROMIP	0x1db
278 #define	MSR_LASTBRANCHTOIP	0x1dc
279 #define	MSR_LASTINTFROMIP	0x1dd
280 #define	MSR_LASTINTTOIP		0x1de
281 #define	MSR_ROB_CR_BKUPTMPDR6	0x1e0
282 #define	MSR_MTRRVarBase		0x200
283 #define	MSR_MTRR64kBase		0x250
284 #define	MSR_MTRR16kBase		0x258
285 #define	MSR_MTRR4kBase		0x268
286 #define	MSR_PAT			0x277
287 #define	MSR_MTRRdefType		0x2ff
288 #define	MSR_MC0_CTL		0x400
289 #define	MSR_MC0_STATUS		0x401
290 #define	MSR_MC0_ADDR		0x402
291 #define	MSR_MC0_MISC		0x403
292 #define	MSR_MC1_CTL		0x404
293 #define	MSR_MC1_STATUS		0x405
294 #define	MSR_MC1_ADDR		0x406
295 #define	MSR_MC1_MISC		0x407
296 #define	MSR_MC2_CTL		0x408
297 #define	MSR_MC2_STATUS		0x409
298 #define	MSR_MC2_ADDR		0x40a
299 #define	MSR_MC2_MISC		0x40b
300 #define	MSR_MC3_CTL		0x40c
301 #define	MSR_MC3_STATUS		0x40d
302 #define	MSR_MC3_ADDR		0x40e
303 #define	MSR_MC3_MISC		0x40f
304 #define	MSR_MC4_CTL		0x410
305 #define	MSR_MC4_STATUS		0x411
306 #define	MSR_MC4_ADDR		0x412
307 #define	MSR_MC4_MISC		0x413
308 
309 /*
310  * Constants related to MSR's.
311  */
312 #define	APICBASE_RESERVED	0x000006ff
313 #define	APICBASE_BSP		0x00000100
314 #define	APICBASE_ENABLED	0x00000800
315 #define	APICBASE_ADDRESS	0xfffff000
316 
317 /*
318  * PAT modes.
319  */
320 #define	PAT_UNCACHEABLE		0x00
321 #define	PAT_WRITE_COMBINING	0x01
322 #define	PAT_WRITE_THROUGH	0x04
323 #define	PAT_WRITE_PROTECTED	0x05
324 #define	PAT_WRITE_BACK		0x06
325 #define	PAT_UNCACHED		0x07
326 #define	PAT_VALUE(i, m)		((long)(m) << (8 * (i)))
327 #define	PAT_MASK(i)		PAT_VALUE(i, 0xff)
328 
329 /*
330  * Constants related to MTRRs
331  */
332 #define	MTRR_UNCACHEABLE	0x00
333 #define	MTRR_WRITE_COMBINING	0x01
334 #define	MTRR_WRITE_THROUGH	0x04
335 #define	MTRR_WRITE_PROTECTED	0x05
336 #define	MTRR_WRITE_BACK		0x06
337 #define	MTRR_N64K		8	/* numbers of fixed-size entries */
338 #define	MTRR_N16K		16
339 #define	MTRR_N4K		64
340 #define	MTRR_CAP_WC		0x0000000000000400UL
341 #define	MTRR_CAP_FIXED		0x0000000000000100UL
342 #define	MTRR_CAP_VCNT		0x00000000000000ffUL
343 #define	MTRR_DEF_ENABLE		0x0000000000000800UL
344 #define	MTRR_DEF_FIXED_ENABLE	0x0000000000000400UL
345 #define	MTRR_DEF_TYPE		0x00000000000000ffUL
346 #define	MTRR_PHYSBASE_PHYSBASE	0x000ffffffffff000UL
347 #define	MTRR_PHYSBASE_TYPE	0x00000000000000ffUL
348 #define	MTRR_PHYSMASK_PHYSMASK	0x000ffffffffff000UL
349 #define	MTRR_PHYSMASK_VALID	0x0000000000000800UL
350 
351 /* Performance Control Register (5x86 only). */
352 #define	PCR0			0x20
353 #define	PCR0_RSTK		0x01	/* Enables return stack */
354 #define	PCR0_BTB		0x02	/* Enables branch target buffer */
355 #define	PCR0_LOOP		0x04	/* Enables loop */
356 #define	PCR0_AIS		0x08	/* Enables all instrcutions stalled to
357 								   serialize pipe. */
358 #define	PCR0_MLR		0x10	/* Enables reordering of misaligned loads */
359 #define	PCR0_BTBRT		0x40	/* Enables BTB test register. */
360 #define	PCR0_LSSER		0x80	/* Disable reorder */
361 
362 /* Device Identification Registers */
363 #define	DIR0			0xfe
364 #define	DIR1			0xff
365 
366 /*
367  * Machine Check register constants.
368  */
369 #define	MCG_CAP_COUNT		0x000000ff
370 #define	MCG_CAP_CTL_P		0x00000100
371 #define	MCG_CAP_EXT_P		0x00000200
372 #define	MCG_CAP_TES_P		0x00000800
373 #define	MCG_CAP_EXT_CNT		0x00ff0000
374 #define	MCG_STATUS_RIPV		0x00000001
375 #define	MCG_STATUS_EIPV		0x00000002
376 #define	MCG_STATUS_MCIP		0x00000004
377 #define	MCG_CTL_ENABLE		0xffffffffffffffffUL
378 #define	MCG_CTL_DISABLE		0x0000000000000000UL
379 #define	MSR_MC_CTL(x)		(MSR_MC0_CTL + (x) * 4)
380 #define	MSR_MC_STATUS(x)	(MSR_MC0_STATUS + (x) * 4)
381 #define	MSR_MC_ADDR(x)		(MSR_MC0_ADDR + (x) * 4)
382 #define	MSR_MC_MISC(x)		(MSR_MC0_MISC + (x) * 4)
383 #define	MC_STATUS_MCA_ERROR	0x000000000000ffffUL
384 #define	MC_STATUS_MODEL_ERROR	0x00000000ffff0000UL
385 #define	MC_STATUS_OTHER_INFO	0x01ffffff00000000UL
386 #define	MC_STATUS_PCC		0x0200000000000000UL
387 #define	MC_STATUS_ADDRV		0x0400000000000000UL
388 #define	MC_STATUS_MISCV		0x0800000000000000UL
389 #define	MC_STATUS_EN		0x1000000000000000UL
390 #define	MC_STATUS_UC		0x2000000000000000UL
391 #define	MC_STATUS_OVER		0x4000000000000000UL
392 #define	MC_STATUS_VAL		0x8000000000000000UL
393 
394 /*
395  * The following four 3-byte registers control the non-cacheable regions.
396  * These registers must be written as three separate bytes.
397  *
398  * NCRx+0: A31-A24 of starting address
399  * NCRx+1: A23-A16 of starting address
400  * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
401  *
402  * The non-cacheable region's starting address must be aligned to the
403  * size indicated by the NCR_SIZE_xx field.
404  */
405 #define	NCR1	0xc4
406 #define	NCR2	0xc7
407 #define	NCR3	0xca
408 #define	NCR4	0xcd
409 
410 #define	NCR_SIZE_0K	0
411 #define	NCR_SIZE_4K	1
412 #define	NCR_SIZE_8K	2
413 #define	NCR_SIZE_16K	3
414 #define	NCR_SIZE_32K	4
415 #define	NCR_SIZE_64K	5
416 #define	NCR_SIZE_128K	6
417 #define	NCR_SIZE_256K	7
418 #define	NCR_SIZE_512K	8
419 #define	NCR_SIZE_1M	9
420 #define	NCR_SIZE_2M	10
421 #define	NCR_SIZE_4M	11
422 #define	NCR_SIZE_8M	12
423 #define	NCR_SIZE_16M	13
424 #define	NCR_SIZE_32M	14
425 #define	NCR_SIZE_4G	15
426 
427 /*
428  * The address region registers are used to specify the location and
429  * size for the eight address regions.
430  *
431  * ARRx + 0: A31-A24 of start address
432  * ARRx + 1: A23-A16 of start address
433  * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx
434  */
435 #define	ARR0	0xc4
436 #define	ARR1	0xc7
437 #define	ARR2	0xca
438 #define	ARR3	0xcd
439 #define	ARR4	0xd0
440 #define	ARR5	0xd3
441 #define	ARR6	0xd6
442 #define	ARR7	0xd9
443 
444 #define	ARR_SIZE_0K		0
445 #define	ARR_SIZE_4K		1
446 #define	ARR_SIZE_8K		2
447 #define	ARR_SIZE_16K	3
448 #define	ARR_SIZE_32K	4
449 #define	ARR_SIZE_64K	5
450 #define	ARR_SIZE_128K	6
451 #define	ARR_SIZE_256K	7
452 #define	ARR_SIZE_512K	8
453 #define	ARR_SIZE_1M		9
454 #define	ARR_SIZE_2M		10
455 #define	ARR_SIZE_4M		11
456 #define	ARR_SIZE_8M		12
457 #define	ARR_SIZE_16M	13
458 #define	ARR_SIZE_32M	14
459 #define	ARR_SIZE_4G		15
460 
461 /*
462  * The region control registers specify the attributes associated with
463  * the ARRx addres regions.
464  */
465 #define	RCR0	0xdc
466 #define	RCR1	0xdd
467 #define	RCR2	0xde
468 #define	RCR3	0xdf
469 #define	RCR4	0xe0
470 #define	RCR5	0xe1
471 #define	RCR6	0xe2
472 #define	RCR7	0xe3
473 
474 #define	RCR_RCD	0x01	/* Disables caching for ARRx (x = 0-6). */
475 #define	RCR_RCE	0x01	/* Enables caching for ARR7. */
476 #define	RCR_WWO	0x02	/* Weak write ordering. */
477 #define	RCR_WL	0x04	/* Weak locking. */
478 #define	RCR_WG	0x08	/* Write gathering. */
479 #define	RCR_WT	0x10	/* Write-through. */
480 #define	RCR_NLB	0x20	/* LBA# pin is not asserted. */
481 
482 /* AMD Write Allocate Top-Of-Memory and Control Register */
483 #define	AMD_WT_ALLOC_TME	0x40000	/* top-of-memory enable */
484 #define	AMD_WT_ALLOC_PRE	0x20000	/* programmable range enable */
485 #define	AMD_WT_ALLOC_FRE	0x10000	/* fixed (A0000-FFFFF) range enable */
486 
487 /* x86_64 MSR's */
488 #define	MSR_EFER	0xc0000080	/* extended features */
489 #define	MSR_STAR	0xc0000081	/* legacy mode SYSCALL target/cs/ss */
490 #define	MSR_LSTAR	0xc0000082	/* long mode SYSCALL target rip */
491 #define	MSR_CSTAR	0xc0000083	/* compat mode SYSCALL target rip */
492 #define	MSR_SF_MASK	0xc0000084	/* syscall flags mask */
493 #define	MSR_FSBASE	0xc0000100	/* base address of the %fs "segment" */
494 #define	MSR_GSBASE	0xc0000101	/* base address of the %gs "segment" */
495 #define	MSR_KGSBASE	0xc0000102	/* base address of the kernel %gs */
496 #define	MSR_PERFEVSEL0	0xc0010000
497 #define	MSR_PERFEVSEL1	0xc0010001
498 #define	MSR_PERFEVSEL2	0xc0010002
499 #define	MSR_PERFEVSEL3	0xc0010003
500 #undef MSR_PERFCTR0
501 #undef MSR_PERFCTR1
502 #define	MSR_PERFCTR0	0xc0010004
503 #define	MSR_PERFCTR1	0xc0010005
504 #define	MSR_PERFCTR2	0xc0010006
505 #define	MSR_PERFCTR3	0xc0010007
506 #define	MSR_SYSCFG	0xc0010010
507 #define	MSR_IORRBASE0	0xc0010016
508 #define	MSR_IORRMASK0	0xc0010017
509 #define	MSR_IORRBASE1	0xc0010018
510 #define	MSR_IORRMASK1	0xc0010019
511 #define	MSR_TOP_MEM	0xc001001a	/* boundary for ram below 4G */
512 #define	MSR_TOP_MEM2	0xc001001d	/* boundary for ram above 4G */
513 #define	MSR_K8_UCODE_UPDATE	0xc0010020	/* update microcode */
514 
515 /* VIA ACE crypto featureset: for via_feature_rng */
516 #define	VIA_HAS_RNG		1	/* cpu has RNG */
517 
518 /* VIA ACE crypto featureset: for via_feature_xcrypt */
519 #define	VIA_HAS_AES		1	/* cpu has AES */
520 #define	VIA_HAS_SHA		2	/* cpu has SHA1 & SHA256 */
521 #define	VIA_HAS_MM		4	/* cpu has RSA instructions */
522 #define	VIA_HAS_AESCTR		8	/* cpu has AES-CTR instructions */
523 
524 /* Centaur Extended Feature flags */
525 #define	VIA_CPUID_HAS_RNG	0x000004
526 #define	VIA_CPUID_DO_RNG	0x000008
527 #define	VIA_CPUID_HAS_ACE	0x000040
528 #define	VIA_CPUID_DO_ACE	0x000080
529 #define	VIA_CPUID_HAS_ACE2	0x000100
530 #define	VIA_CPUID_DO_ACE2	0x000200
531 #define	VIA_CPUID_HAS_PHE	0x000400
532 #define	VIA_CPUID_DO_PHE	0x000800
533 #define	VIA_CPUID_HAS_PMM	0x001000
534 #define	VIA_CPUID_DO_PMM	0x002000
535 
536 #endif /* !_CPU_SPECIALREG_H_ */
537