xref: /freebsd/sys/amd64/include/specialreg.h (revision aa0a1e58)
1 /*-
2  * Copyright (c) 1991 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 4. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *	from: @(#)specialreg.h	7.1 (Berkeley) 5/9/91
30  * $FreeBSD$
31  */
32 
33 #ifndef _MACHINE_SPECIALREG_H_
34 #define	_MACHINE_SPECIALREG_H_
35 
36 /*
37  * Bits in 386 special registers:
38  */
39 #define	CR0_PE	0x00000001	/* Protected mode Enable */
40 #define	CR0_MP	0x00000002	/* "Math" (fpu) Present */
41 #define	CR0_EM	0x00000004	/* EMulate FPU instructions. (trap ESC only) */
42 #define	CR0_TS	0x00000008	/* Task Switched (if MP, trap ESC and WAIT) */
43 #define	CR0_PG	0x80000000	/* PaGing enable */
44 
45 /*
46  * Bits in 486 special registers:
47  */
48 #define	CR0_NE	0x00000020	/* Numeric Error enable (EX16 vs IRQ13) */
49 #define	CR0_WP	0x00010000	/* Write Protect (honor page protect in
50 							   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 PPro special registers
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 
70 /*
71  * Bits in AMD64 special registers.  EFER is 64 bits wide.
72  */
73 #define	EFER_SCE 0x000000001	/* System Call Extensions (R/W) */
74 #define	EFER_LME 0x000000100	/* Long mode enable (R/W) */
75 #define	EFER_LMA 0x000000400	/* Long mode active (R) */
76 #define	EFER_NXE 0x000000800	/* PTE No-Execute bit enable (R/W) */
77 
78 /*
79  * CPUID instruction features register
80  */
81 #define	CPUID_FPU	0x00000001
82 #define	CPUID_VME	0x00000002
83 #define	CPUID_DE	0x00000004
84 #define	CPUID_PSE	0x00000008
85 #define	CPUID_TSC	0x00000010
86 #define	CPUID_MSR	0x00000020
87 #define	CPUID_PAE	0x00000040
88 #define	CPUID_MCE	0x00000080
89 #define	CPUID_CX8	0x00000100
90 #define	CPUID_APIC	0x00000200
91 #define	CPUID_B10	0x00000400
92 #define	CPUID_SEP	0x00000800
93 #define	CPUID_MTRR	0x00001000
94 #define	CPUID_PGE	0x00002000
95 #define	CPUID_MCA	0x00004000
96 #define	CPUID_CMOV	0x00008000
97 #define	CPUID_PAT	0x00010000
98 #define	CPUID_PSE36	0x00020000
99 #define	CPUID_PSN	0x00040000
100 #define	CPUID_CLFSH	0x00080000
101 #define	CPUID_B20	0x00100000
102 #define	CPUID_DS	0x00200000
103 #define	CPUID_ACPI	0x00400000
104 #define	CPUID_MMX	0x00800000
105 #define	CPUID_FXSR	0x01000000
106 #define	CPUID_SSE	0x02000000
107 #define	CPUID_XMM	0x02000000
108 #define	CPUID_SSE2	0x04000000
109 #define	CPUID_SS	0x08000000
110 #define	CPUID_HTT	0x10000000
111 #define	CPUID_TM	0x20000000
112 #define	CPUID_IA64	0x40000000
113 #define	CPUID_PBE	0x80000000
114 
115 #define	CPUID2_SSE3	0x00000001
116 #define	CPUID2_PCLMULQDQ 0x00000002
117 #define	CPUID2_DTES64	0x00000004
118 #define	CPUID2_MON	0x00000008
119 #define	CPUID2_DS_CPL	0x00000010
120 #define	CPUID2_VMX	0x00000020
121 #define	CPUID2_SMX	0x00000040
122 #define	CPUID2_EST	0x00000080
123 #define	CPUID2_TM2	0x00000100
124 #define	CPUID2_SSSE3	0x00000200
125 #define	CPUID2_CNXTID	0x00000400
126 #define	CPUID2_CX16	0x00002000
127 #define	CPUID2_XTPR	0x00004000
128 #define	CPUID2_PDCM	0x00008000
129 #define	CPUID2_PCID	0x00020000
130 #define	CPUID2_DCA	0x00040000
131 #define	CPUID2_SSE41	0x00080000
132 #define	CPUID2_SSE42	0x00100000
133 #define	CPUID2_X2APIC	0x00200000
134 #define	CPUID2_MOVBE	0x00400000
135 #define	CPUID2_POPCNT	0x00800000
136 #define	CPUID2_AESNI	0x02000000
137 
138 /*
139  * Important bits in the Thermal and Power Management flags
140  * CPUID.6 EAX and ECX.
141  */
142 #define	CPUTPM1_SENSOR	0x00000001
143 #define	CPUTPM1_TURBO	0x00000002
144 #define	CPUTPM1_ARAT	0x00000004
145 #define	CPUTPM2_EFFREQ	0x00000001
146 
147 /*
148  * Important bits in the AMD extended cpuid flags
149  */
150 #define	AMDID_SYSCALL	0x00000800
151 #define	AMDID_MP	0x00080000
152 #define	AMDID_NX	0x00100000
153 #define	AMDID_EXT_MMX	0x00400000
154 #define	AMDID_FFXSR	0x01000000
155 #define	AMDID_PAGE1GB	0x04000000
156 #define	AMDID_RDTSCP	0x08000000
157 #define	AMDID_LM	0x20000000
158 #define	AMDID_EXT_3DNOW	0x40000000
159 #define	AMDID_3DNOW	0x80000000
160 
161 #define	AMDID2_LAHF	0x00000001
162 #define	AMDID2_CMP	0x00000002
163 #define	AMDID2_SVM	0x00000004
164 #define	AMDID2_EXT_APIC	0x00000008
165 #define	AMDID2_CR8	0x00000010
166 #define	AMDID2_ABM	0x00000020
167 #define	AMDID2_SSE4A	0x00000040
168 #define	AMDID2_MAS	0x00000080
169 #define	AMDID2_PREFETCH	0x00000100
170 #define	AMDID2_OSVW	0x00000200
171 #define	AMDID2_IBS	0x00000400
172 #define	AMDID2_SSE5	0x00000800
173 #define	AMDID2_SKINIT	0x00001000
174 #define	AMDID2_WDT	0x00002000
175 
176 /*
177  * CPUID instruction 1 eax info
178  */
179 #define	CPUID_STEPPING		0x0000000f
180 #define	CPUID_MODEL		0x000000f0
181 #define	CPUID_FAMILY		0x00000f00
182 #define	CPUID_EXT_MODEL		0x000f0000
183 #define	CPUID_EXT_FAMILY	0x0ff00000
184 #define	CPUID_TO_MODEL(id) \
185     ((((id) & CPUID_MODEL) >> 4) | \
186     (((id) & CPUID_EXT_MODEL) >> 12))
187 #define	CPUID_TO_FAMILY(id) \
188     ((((id) & CPUID_FAMILY) >> 8) + \
189     (((id) & CPUID_EXT_FAMILY) >> 20))
190 
191 /*
192  * CPUID instruction 1 ebx info
193  */
194 #define	CPUID_BRAND_INDEX	0x000000ff
195 #define	CPUID_CLFUSH_SIZE	0x0000ff00
196 #define	CPUID_HTT_CORES		0x00ff0000
197 #define	CPUID_LOCAL_APIC_ID	0xff000000
198 
199 /*
200  * CPUID instruction 0xb ebx info.
201  */
202 #define	CPUID_TYPE_INVAL	0
203 #define	CPUID_TYPE_SMT		1
204 #define	CPUID_TYPE_CORE		2
205 
206 /*
207  * AMD extended function 8000_0007h edx info
208  */
209 #define	AMDPM_TS		0x00000001
210 #define	AMDPM_FID		0x00000002
211 #define	AMDPM_VID		0x00000004
212 #define	AMDPM_TTP		0x00000008
213 #define	AMDPM_TM		0x00000010
214 #define	AMDPM_STC		0x00000020
215 #define	AMDPM_100MHZ_STEPS	0x00000040
216 #define	AMDPM_HW_PSTATE		0x00000080
217 #define	AMDPM_TSC_INVARIANT	0x00000100
218 #define	AMDPM_CPB		0x00000200
219 
220 /*
221  * AMD extended function 8000_0008h ecx info
222  */
223 #define	AMDID_CMP_CORES		0x000000ff
224 
225 /*
226  * CPUID manufacturers identifiers
227  */
228 #define	AMD_VENDOR_ID		"AuthenticAMD"
229 #define	CENTAUR_VENDOR_ID	"CentaurHauls"
230 #define	INTEL_VENDOR_ID		"GenuineIntel"
231 
232 /*
233  * Model-specific registers for the i386 family
234  */
235 #define	MSR_P5_MC_ADDR		0x000
236 #define	MSR_P5_MC_TYPE		0x001
237 #define	MSR_TSC			0x010
238 #define	MSR_P5_CESR		0x011
239 #define	MSR_P5_CTR0		0x012
240 #define	MSR_P5_CTR1		0x013
241 #define	MSR_IA32_PLATFORM_ID	0x017
242 #define	MSR_APICBASE		0x01b
243 #define	MSR_EBL_CR_POWERON	0x02a
244 #define	MSR_TEST_CTL		0x033
245 #define	MSR_BIOS_UPDT_TRIG	0x079
246 #define	MSR_BBL_CR_D0		0x088
247 #define	MSR_BBL_CR_D1		0x089
248 #define	MSR_BBL_CR_D2		0x08a
249 #define	MSR_BIOS_SIGN		0x08b
250 #define	MSR_PERFCTR0		0x0c1
251 #define	MSR_PERFCTR1		0x0c2
252 #define	MSR_MPERF		0x0e7
253 #define	MSR_APERF		0x0e8
254 #define	MSR_IA32_EXT_CONFIG	0x0ee	/* Undocumented. Core Solo/Duo only */
255 #define	MSR_MTRRcap		0x0fe
256 #define	MSR_BBL_CR_ADDR		0x116
257 #define	MSR_BBL_CR_DECC		0x118
258 #define	MSR_BBL_CR_CTL		0x119
259 #define	MSR_BBL_CR_TRIG		0x11a
260 #define	MSR_BBL_CR_BUSY		0x11b
261 #define	MSR_BBL_CR_CTL3		0x11e
262 #define	MSR_SYSENTER_CS_MSR	0x174
263 #define	MSR_SYSENTER_ESP_MSR	0x175
264 #define	MSR_SYSENTER_EIP_MSR	0x176
265 #define	MSR_MCG_CAP		0x179
266 #define	MSR_MCG_STATUS		0x17a
267 #define	MSR_MCG_CTL		0x17b
268 #define	MSR_EVNTSEL0		0x186
269 #define	MSR_EVNTSEL1		0x187
270 #define	MSR_THERM_CONTROL	0x19a
271 #define	MSR_THERM_INTERRUPT	0x19b
272 #define	MSR_THERM_STATUS	0x19c
273 #define	MSR_IA32_MISC_ENABLE	0x1a0
274 #define	MSR_IA32_TEMPERATURE_TARGET	0x1a2
275 #define	MSR_DEBUGCTLMSR		0x1d9
276 #define	MSR_LASTBRANCHFROMIP	0x1db
277 #define	MSR_LASTBRANCHTOIP	0x1dc
278 #define	MSR_LASTINTFROMIP	0x1dd
279 #define	MSR_LASTINTTOIP		0x1de
280 #define	MSR_ROB_CR_BKUPTMPDR6	0x1e0
281 #define	MSR_MTRRVarBase		0x200
282 #define	MSR_MTRR64kBase		0x250
283 #define	MSR_MTRR16kBase		0x258
284 #define	MSR_MTRR4kBase		0x268
285 #define	MSR_PAT			0x277
286 #define	MSR_MC0_CTL2		0x280
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		0x0000000000000400
341 #define	MTRR_CAP_FIXED		0x0000000000000100
342 #define	MTRR_CAP_VCNT		0x00000000000000ff
343 #define	MTRR_DEF_ENABLE		0x0000000000000800
344 #define	MTRR_DEF_FIXED_ENABLE	0x0000000000000400
345 #define	MTRR_DEF_TYPE		0x00000000000000ff
346 #define	MTRR_PHYSBASE_PHYSBASE	0x000ffffffffff000
347 #define	MTRR_PHYSBASE_TYPE	0x00000000000000ff
348 #define	MTRR_PHYSMASK_PHYSMASK	0x000ffffffffff000
349 #define	MTRR_PHYSMASK_VALID	0x0000000000000800
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_CMCI_P		0x00000400
373 #define	MCG_CAP_TES_P		0x00000800
374 #define	MCG_CAP_EXT_CNT		0x00ff0000
375 #define	MCG_CAP_SER_P		0x01000000
376 #define	MCG_STATUS_RIPV		0x00000001
377 #define	MCG_STATUS_EIPV		0x00000002
378 #define	MCG_STATUS_MCIP		0x00000004
379 #define	MCG_CTL_ENABLE		0xffffffffffffffff
380 #define	MCG_CTL_DISABLE		0x0000000000000000
381 #define	MSR_MC_CTL(x)		(MSR_MC0_CTL + (x) * 4)
382 #define	MSR_MC_STATUS(x)	(MSR_MC0_STATUS + (x) * 4)
383 #define	MSR_MC_ADDR(x)		(MSR_MC0_ADDR + (x) * 4)
384 #define	MSR_MC_MISC(x)		(MSR_MC0_MISC + (x) * 4)
385 #define	MSR_MC_CTL2(x)		(MSR_MC0_CTL2 + (x))	/* If MCG_CAP_CMCI_P */
386 #define	MC_STATUS_MCA_ERROR	0x000000000000ffff
387 #define	MC_STATUS_MODEL_ERROR	0x00000000ffff0000
388 #define	MC_STATUS_OTHER_INFO	0x01ffffff00000000
389 #define	MC_STATUS_COR_COUNT	0x001fffc000000000	/* If MCG_CAP_CMCI_P */
390 #define	MC_STATUS_TES_STATUS	0x0060000000000000	/* If MCG_CAP_TES_P */
391 #define	MC_STATUS_AR		0x0080000000000000	/* If MCG_CAP_TES_P */
392 #define	MC_STATUS_S		0x0100000000000000	/* If MCG_CAP_TES_P */
393 #define	MC_STATUS_PCC		0x0200000000000000
394 #define	MC_STATUS_ADDRV		0x0400000000000000
395 #define	MC_STATUS_MISCV		0x0800000000000000
396 #define	MC_STATUS_EN		0x1000000000000000
397 #define	MC_STATUS_UC		0x2000000000000000
398 #define	MC_STATUS_OVER		0x4000000000000000
399 #define	MC_STATUS_VAL		0x8000000000000000
400 #define	MC_MISC_RA_LSB		0x000000000000003f	/* If MCG_CAP_SER_P */
401 #define	MC_MISC_ADDRESS_MODE	0x00000000000001c0	/* If MCG_CAP_SER_P */
402 #define	MC_CTL2_THRESHOLD	0x0000000000007fff
403 #define	MC_CTL2_CMCI_EN		0x0000000040000000
404 
405 /*
406  * The following four 3-byte registers control the non-cacheable regions.
407  * These registers must be written as three separate bytes.
408  *
409  * NCRx+0: A31-A24 of starting address
410  * NCRx+1: A23-A16 of starting address
411  * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
412  *
413  * The non-cacheable region's starting address must be aligned to the
414  * size indicated by the NCR_SIZE_xx field.
415  */
416 #define	NCR1	0xc4
417 #define	NCR2	0xc7
418 #define	NCR3	0xca
419 #define	NCR4	0xcd
420 
421 #define	NCR_SIZE_0K	0
422 #define	NCR_SIZE_4K	1
423 #define	NCR_SIZE_8K	2
424 #define	NCR_SIZE_16K	3
425 #define	NCR_SIZE_32K	4
426 #define	NCR_SIZE_64K	5
427 #define	NCR_SIZE_128K	6
428 #define	NCR_SIZE_256K	7
429 #define	NCR_SIZE_512K	8
430 #define	NCR_SIZE_1M	9
431 #define	NCR_SIZE_2M	10
432 #define	NCR_SIZE_4M	11
433 #define	NCR_SIZE_8M	12
434 #define	NCR_SIZE_16M	13
435 #define	NCR_SIZE_32M	14
436 #define	NCR_SIZE_4G	15
437 
438 /*
439  * The address region registers are used to specify the location and
440  * size for the eight address regions.
441  *
442  * ARRx + 0: A31-A24 of start address
443  * ARRx + 1: A23-A16 of start address
444  * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx
445  */
446 #define	ARR0	0xc4
447 #define	ARR1	0xc7
448 #define	ARR2	0xca
449 #define	ARR3	0xcd
450 #define	ARR4	0xd0
451 #define	ARR5	0xd3
452 #define	ARR6	0xd6
453 #define	ARR7	0xd9
454 
455 #define	ARR_SIZE_0K		0
456 #define	ARR_SIZE_4K		1
457 #define	ARR_SIZE_8K		2
458 #define	ARR_SIZE_16K	3
459 #define	ARR_SIZE_32K	4
460 #define	ARR_SIZE_64K	5
461 #define	ARR_SIZE_128K	6
462 #define	ARR_SIZE_256K	7
463 #define	ARR_SIZE_512K	8
464 #define	ARR_SIZE_1M		9
465 #define	ARR_SIZE_2M		10
466 #define	ARR_SIZE_4M		11
467 #define	ARR_SIZE_8M		12
468 #define	ARR_SIZE_16M	13
469 #define	ARR_SIZE_32M	14
470 #define	ARR_SIZE_4G		15
471 
472 /*
473  * The region control registers specify the attributes associated with
474  * the ARRx addres regions.
475  */
476 #define	RCR0	0xdc
477 #define	RCR1	0xdd
478 #define	RCR2	0xde
479 #define	RCR3	0xdf
480 #define	RCR4	0xe0
481 #define	RCR5	0xe1
482 #define	RCR6	0xe2
483 #define	RCR7	0xe3
484 
485 #define	RCR_RCD	0x01	/* Disables caching for ARRx (x = 0-6). */
486 #define	RCR_RCE	0x01	/* Enables caching for ARR7. */
487 #define	RCR_WWO	0x02	/* Weak write ordering. */
488 #define	RCR_WL	0x04	/* Weak locking. */
489 #define	RCR_WG	0x08	/* Write gathering. */
490 #define	RCR_WT	0x10	/* Write-through. */
491 #define	RCR_NLB	0x20	/* LBA# pin is not asserted. */
492 
493 /* AMD Write Allocate Top-Of-Memory and Control Register */
494 #define	AMD_WT_ALLOC_TME	0x40000	/* top-of-memory enable */
495 #define	AMD_WT_ALLOC_PRE	0x20000	/* programmable range enable */
496 #define	AMD_WT_ALLOC_FRE	0x10000	/* fixed (A0000-FFFFF) range enable */
497 
498 /* AMD64 MSR's */
499 #define	MSR_EFER	0xc0000080	/* extended features */
500 #define	MSR_STAR	0xc0000081	/* legacy mode SYSCALL target/cs/ss */
501 #define	MSR_LSTAR	0xc0000082	/* long mode SYSCALL target rip */
502 #define	MSR_CSTAR	0xc0000083	/* compat mode SYSCALL target rip */
503 #define	MSR_SF_MASK	0xc0000084	/* syscall flags mask */
504 #define	MSR_FSBASE	0xc0000100	/* base address of the %fs "segment" */
505 #define	MSR_GSBASE	0xc0000101	/* base address of the %gs "segment" */
506 #define	MSR_KGSBASE	0xc0000102	/* base address of the kernel %gs */
507 #define	MSR_PERFEVSEL0	0xc0010000
508 #define	MSR_PERFEVSEL1	0xc0010001
509 #define	MSR_PERFEVSEL2	0xc0010002
510 #define	MSR_PERFEVSEL3	0xc0010003
511 #undef MSR_PERFCTR0
512 #undef MSR_PERFCTR1
513 #define	MSR_PERFCTR0	0xc0010004
514 #define	MSR_PERFCTR1	0xc0010005
515 #define	MSR_PERFCTR2	0xc0010006
516 #define	MSR_PERFCTR3	0xc0010007
517 #define	MSR_SYSCFG	0xc0010010
518 #define	MSR_HWCR	0xc0010015
519 #define	MSR_IORRBASE0	0xc0010016
520 #define	MSR_IORRMASK0	0xc0010017
521 #define	MSR_IORRBASE1	0xc0010018
522 #define	MSR_IORRMASK1	0xc0010019
523 #define	MSR_TOP_MEM	0xc001001a	/* boundary for ram below 4G */
524 #define	MSR_TOP_MEM2	0xc001001d	/* boundary for ram above 4G */
525 #define	MSR_K8_UCODE_UPDATE	0xc0010020	/* update microcode */
526 #define	MSR_MC0_CTL_MASK	0xc0010044
527 
528 /* VIA ACE crypto featureset: for via_feature_rng */
529 #define	VIA_HAS_RNG		1	/* cpu has RNG */
530 
531 /* VIA ACE crypto featureset: for via_feature_xcrypt */
532 #define	VIA_HAS_AES		1	/* cpu has AES */
533 #define	VIA_HAS_SHA		2	/* cpu has SHA1 & SHA256 */
534 #define	VIA_HAS_MM		4	/* cpu has RSA instructions */
535 #define	VIA_HAS_AESCTR		8	/* cpu has AES-CTR instructions */
536 
537 /* Centaur Extended Feature flags */
538 #define	VIA_CPUID_HAS_RNG	0x000004
539 #define	VIA_CPUID_DO_RNG	0x000008
540 #define	VIA_CPUID_HAS_ACE	0x000040
541 #define	VIA_CPUID_DO_ACE	0x000080
542 #define	VIA_CPUID_HAS_ACE2	0x000100
543 #define	VIA_CPUID_DO_ACE2	0x000200
544 #define	VIA_CPUID_HAS_PHE	0x000400
545 #define	VIA_CPUID_DO_PHE	0x000800
546 #define	VIA_CPUID_HAS_PMM	0x001000
547 #define	VIA_CPUID_DO_PMM	0x002000
548 
549 /* VIA ACE xcrypt-* instruction context control options */
550 #define	VIA_CRYPT_CWLO_ROUND_M		0x0000000f
551 #define	VIA_CRYPT_CWLO_ALG_M		0x00000070
552 #define	VIA_CRYPT_CWLO_ALG_AES		0x00000000
553 #define	VIA_CRYPT_CWLO_KEYGEN_M		0x00000080
554 #define	VIA_CRYPT_CWLO_KEYGEN_HW	0x00000000
555 #define	VIA_CRYPT_CWLO_KEYGEN_SW	0x00000080
556 #define	VIA_CRYPT_CWLO_NORMAL		0x00000000
557 #define	VIA_CRYPT_CWLO_INTERMEDIATE	0x00000100
558 #define	VIA_CRYPT_CWLO_ENCRYPT		0x00000000
559 #define	VIA_CRYPT_CWLO_DECRYPT		0x00000200
560 #define	VIA_CRYPT_CWLO_KEY128		0x0000000a	/* 128bit, 10 rds */
561 #define	VIA_CRYPT_CWLO_KEY192		0x0000040c	/* 192bit, 12 rds */
562 #define	VIA_CRYPT_CWLO_KEY256		0x0000080e	/* 256bit, 15 rds */
563 
564 #endif /* !_MACHINE_SPECIALREG_H_ */
565