xref: /freebsd/sys/i386/include/specialreg.h (revision eb6d21b4ca6d668cf89afd99eef7baeafa712197)
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_NXE 0x000000800	/* PTE No-Execute bit enable (R/W) */
74 
75 /*
76  * CPUID instruction features register
77  */
78 #define	CPUID_FPU	0x00000001
79 #define	CPUID_VME	0x00000002
80 #define	CPUID_DE	0x00000004
81 #define	CPUID_PSE	0x00000008
82 #define	CPUID_TSC	0x00000010
83 #define	CPUID_MSR	0x00000020
84 #define	CPUID_PAE	0x00000040
85 #define	CPUID_MCE	0x00000080
86 #define	CPUID_CX8	0x00000100
87 #define	CPUID_APIC	0x00000200
88 #define	CPUID_B10	0x00000400
89 #define	CPUID_SEP	0x00000800
90 #define	CPUID_MTRR	0x00001000
91 #define	CPUID_PGE	0x00002000
92 #define	CPUID_MCA	0x00004000
93 #define	CPUID_CMOV	0x00008000
94 #define	CPUID_PAT	0x00010000
95 #define	CPUID_PSE36	0x00020000
96 #define	CPUID_PSN	0x00040000
97 #define	CPUID_CLFSH	0x00080000
98 #define	CPUID_B20	0x00100000
99 #define	CPUID_DS	0x00200000
100 #define	CPUID_ACPI	0x00400000
101 #define	CPUID_MMX	0x00800000
102 #define	CPUID_FXSR	0x01000000
103 #define	CPUID_SSE	0x02000000
104 #define	CPUID_XMM	0x02000000
105 #define	CPUID_SSE2	0x04000000
106 #define	CPUID_SS	0x08000000
107 #define	CPUID_HTT	0x10000000
108 #define	CPUID_TM	0x20000000
109 #define	CPUID_IA64	0x40000000
110 #define	CPUID_PBE	0x80000000
111 
112 #define	CPUID2_SSE3	0x00000001
113 #define	CPUID2_DTES64	0x00000004
114 #define	CPUID2_MON	0x00000008
115 #define	CPUID2_DS_CPL	0x00000010
116 #define	CPUID2_VMX	0x00000020
117 #define	CPUID2_SMX	0x00000040
118 #define	CPUID2_EST	0x00000080
119 #define	CPUID2_TM2	0x00000100
120 #define	CPUID2_SSSE3	0x00000200
121 #define	CPUID2_CNXTID	0x00000400
122 #define	CPUID2_CX16	0x00002000
123 #define	CPUID2_XTPR	0x00004000
124 #define	CPUID2_PDCM	0x00008000
125 #define	CPUID2_DCA	0x00040000
126 #define	CPUID2_SSE41	0x00080000
127 #define	CPUID2_SSE42	0x00100000
128 #define	CPUID2_X2APIC	0x00200000
129 #define	CPUID2_MOVBE	0x00400000
130 #define	CPUID2_POPCNT	0x00800000
131 
132 /*
133  * Important bits in the AMD extended cpuid flags
134  */
135 #define	AMDID_SYSCALL	0x00000800
136 #define	AMDID_MP	0x00080000
137 #define	AMDID_NX	0x00100000
138 #define	AMDID_EXT_MMX	0x00400000
139 #define	AMDID_FFXSR	0x01000000
140 #define	AMDID_PAGE1GB	0x04000000
141 #define	AMDID_RDTSCP	0x08000000
142 #define	AMDID_LM	0x20000000
143 #define	AMDID_EXT_3DNOW	0x40000000
144 #define	AMDID_3DNOW	0x80000000
145 
146 #define	AMDID2_LAHF	0x00000001
147 #define	AMDID2_CMP	0x00000002
148 #define	AMDID2_SVM	0x00000004
149 #define	AMDID2_EXT_APIC	0x00000008
150 #define	AMDID2_CR8	0x00000010
151 #define	AMDID2_ABM	0x00000020
152 #define	AMDID2_SSE4A	0x00000040
153 #define	AMDID2_MAS	0x00000080
154 #define	AMDID2_PREFETCH	0x00000100
155 #define	AMDID2_OSVW	0x00000200
156 #define	AMDID2_IBS	0x00000400
157 #define	AMDID2_SSE5	0x00000800
158 #define	AMDID2_SKINIT	0x00001000
159 #define	AMDID2_WDT	0x00002000
160 
161 /*
162  * CPUID instruction 1 eax info
163  */
164 #define	CPUID_STEPPING		0x0000000f
165 #define	CPUID_MODEL		0x000000f0
166 #define	CPUID_FAMILY		0x00000f00
167 #define	CPUID_EXT_MODEL		0x000f0000
168 #define	CPUID_EXT_FAMILY	0x0ff00000
169 #define	CPUID_TO_MODEL(id) \
170     ((((id) & CPUID_MODEL) >> 4) | \
171     ((((id) & CPUID_FAMILY) >= 0x600) ? \
172     (((id) & CPUID_EXT_MODEL) >> 12) : 0))
173 #define	CPUID_TO_FAMILY(id) \
174     ((((id) & CPUID_FAMILY) >> 8) + \
175     ((((id) & CPUID_FAMILY) == 0xf00) ? \
176     (((id) & CPUID_EXT_FAMILY) >> 20) : 0))
177 
178 /*
179  * CPUID instruction 1 ebx info
180  */
181 #define	CPUID_BRAND_INDEX	0x000000ff
182 #define	CPUID_CLFUSH_SIZE	0x0000ff00
183 #define	CPUID_HTT_CORES		0x00ff0000
184 #define	CPUID_LOCAL_APIC_ID	0xff000000
185 
186 /*
187  * CPUID instruction 0xb ebx info.
188  */
189 #define	CPUID_TYPE_INVAL	0
190 #define	CPUID_TYPE_SMT		1
191 #define	CPUID_TYPE_CORE		2
192 
193 /*
194  * AMD extended function 8000_0007h edx info
195  */
196 #define	AMDPM_TS		0x00000001
197 #define	AMDPM_FID		0x00000002
198 #define	AMDPM_VID		0x00000004
199 #define	AMDPM_TTP		0x00000008
200 #define	AMDPM_TM		0x00000010
201 #define	AMDPM_STC		0x00000020
202 #define	AMDPM_100MHZ_STEPS	0x00000040
203 #define	AMDPM_HW_PSTATE		0x00000080
204 #define	AMDPM_TSC_INVARIANT	0x00000100
205 
206 /*
207  * AMD extended function 8000_0008h ecx info
208  */
209 #define	AMDID_CMP_CORES		0x000000ff
210 
211 /*
212  * CPUID manufacturers identifiers
213  */
214 #define	AMD_VENDOR_ID		"AuthenticAMD"
215 #define	CENTAUR_VENDOR_ID	"CentaurHauls"
216 #define	CYRIX_VENDOR_ID		"CyrixInstead"
217 #define	INTEL_VENDOR_ID		"GenuineIntel"
218 #define	NEXGEN_VENDOR_ID	"NexGenDriven"
219 #define	NSC_VENDOR_ID		"Geode by NSC"
220 #define	RISE_VENDOR_ID		"RiseRiseRise"
221 #define	SIS_VENDOR_ID		"SiS SiS SiS "
222 #define	TRANSMETA_VENDOR_ID	"GenuineTMx86"
223 #define	UMC_VENDOR_ID		"UMC UMC UMC "
224 
225 /*
226  * Model-specific registers for the i386 family
227  */
228 #define	MSR_P5_MC_ADDR		0x000
229 #define	MSR_P5_MC_TYPE		0x001
230 #define	MSR_TSC			0x010
231 #define	MSR_P5_CESR		0x011
232 #define	MSR_P5_CTR0		0x012
233 #define	MSR_P5_CTR1		0x013
234 #define	MSR_IA32_PLATFORM_ID	0x017
235 #define	MSR_APICBASE		0x01b
236 #define	MSR_EBL_CR_POWERON	0x02a
237 #define	MSR_TEST_CTL		0x033
238 #define	MSR_BIOS_UPDT_TRIG	0x079
239 #define	MSR_BBL_CR_D0		0x088
240 #define	MSR_BBL_CR_D1		0x089
241 #define	MSR_BBL_CR_D2		0x08a
242 #define	MSR_BIOS_SIGN		0x08b
243 #define	MSR_PERFCTR0		0x0c1
244 #define	MSR_PERFCTR1		0x0c2
245 #define	MSR_IA32_EXT_CONFIG	0x0ee	/* Undocumented. Core Solo/Duo only */
246 #define	MSR_MTRRcap		0x0fe
247 #define	MSR_BBL_CR_ADDR		0x116
248 #define	MSR_BBL_CR_DECC		0x118
249 #define	MSR_BBL_CR_CTL		0x119
250 #define	MSR_BBL_CR_TRIG		0x11a
251 #define	MSR_BBL_CR_BUSY		0x11b
252 #define	MSR_BBL_CR_CTL3		0x11e
253 #define	MSR_SYSENTER_CS_MSR	0x174
254 #define	MSR_SYSENTER_ESP_MSR	0x175
255 #define	MSR_SYSENTER_EIP_MSR	0x176
256 #define	MSR_MCG_CAP		0x179
257 #define	MSR_MCG_STATUS		0x17a
258 #define	MSR_MCG_CTL		0x17b
259 #define	MSR_EVNTSEL0		0x186
260 #define	MSR_EVNTSEL1		0x187
261 #define	MSR_THERM_CONTROL	0x19a
262 #define	MSR_THERM_INTERRUPT	0x19b
263 #define	MSR_THERM_STATUS	0x19c
264 #define	MSR_IA32_MISC_ENABLE	0x1a0
265 #define	MSR_DEBUGCTLMSR		0x1d9
266 #define	MSR_LASTBRANCHFROMIP	0x1db
267 #define	MSR_LASTBRANCHTOIP	0x1dc
268 #define	MSR_LASTINTFROMIP	0x1dd
269 #define	MSR_LASTINTTOIP		0x1de
270 #define	MSR_ROB_CR_BKUPTMPDR6	0x1e0
271 #define	MSR_MTRRVarBase		0x200
272 #define	MSR_MTRR64kBase		0x250
273 #define	MSR_MTRR16kBase		0x258
274 #define	MSR_MTRR4kBase		0x268
275 #define	MSR_PAT			0x277
276 #define	MSR_MTRRdefType		0x2ff
277 #define	MSR_MC0_CTL		0x400
278 #define	MSR_MC0_STATUS		0x401
279 #define	MSR_MC0_ADDR		0x402
280 #define	MSR_MC0_MISC		0x403
281 #define	MSR_MC1_CTL		0x404
282 #define	MSR_MC1_STATUS		0x405
283 #define	MSR_MC1_ADDR		0x406
284 #define	MSR_MC1_MISC		0x407
285 #define	MSR_MC2_CTL		0x408
286 #define	MSR_MC2_STATUS		0x409
287 #define	MSR_MC2_ADDR		0x40a
288 #define	MSR_MC2_MISC		0x40b
289 #define	MSR_MC3_CTL		0x40c
290 #define	MSR_MC3_STATUS		0x40d
291 #define	MSR_MC3_ADDR		0x40e
292 #define	MSR_MC3_MISC		0x40f
293 #define	MSR_MC4_CTL		0x410
294 #define	MSR_MC4_STATUS		0x411
295 #define	MSR_MC4_ADDR		0x412
296 #define	MSR_MC4_MISC		0x413
297 
298 /*
299  * Constants related to MSR's.
300  */
301 #define	APICBASE_RESERVED	0x000006ff
302 #define	APICBASE_BSP		0x00000100
303 #define	APICBASE_ENABLED	0x00000800
304 #define	APICBASE_ADDRESS	0xfffff000
305 
306 /*
307  * PAT modes.
308  */
309 #define	PAT_UNCACHEABLE		0x00
310 #define	PAT_WRITE_COMBINING	0x01
311 #define	PAT_WRITE_THROUGH	0x04
312 #define	PAT_WRITE_PROTECTED	0x05
313 #define	PAT_WRITE_BACK		0x06
314 #define	PAT_UNCACHED		0x07
315 #define	PAT_VALUE(i, m)		((long long)(m) << (8 * (i)))
316 #define	PAT_MASK(i)		PAT_VALUE(i, 0xff)
317 
318 /*
319  * Constants related to MTRRs
320  */
321 #define	MTRR_UNCACHEABLE	0x00
322 #define	MTRR_WRITE_COMBINING	0x01
323 #define	MTRR_WRITE_THROUGH	0x04
324 #define	MTRR_WRITE_PROTECTED	0x05
325 #define	MTRR_WRITE_BACK		0x06
326 #define	MTRR_N64K		8	/* numbers of fixed-size entries */
327 #define	MTRR_N16K		16
328 #define	MTRR_N4K		64
329 #define	MTRR_CAP_WC		0x0000000000000400ULL
330 #define	MTRR_CAP_FIXED		0x0000000000000100ULL
331 #define	MTRR_CAP_VCNT		0x00000000000000ffULL
332 #define	MTRR_DEF_ENABLE		0x0000000000000800ULL
333 #define	MTRR_DEF_FIXED_ENABLE	0x0000000000000400ULL
334 #define	MTRR_DEF_TYPE		0x00000000000000ffULL
335 #define	MTRR_PHYSBASE_PHYSBASE	0x000ffffffffff000ULL
336 #define	MTRR_PHYSBASE_TYPE	0x00000000000000ffULL
337 #define	MTRR_PHYSMASK_PHYSMASK	0x000ffffffffff000ULL
338 #define	MTRR_PHYSMASK_VALID	0x0000000000000800ULL
339 
340 /*
341  * Cyrix configuration registers, accessible as IO ports.
342  */
343 #define	CCR0			0xc0	/* Configuration control register 0 */
344 #define	CCR0_NC0		0x01	/* First 64K of each 1M memory region is
345 								   non-cacheable */
346 #define	CCR0_NC1		0x02	/* 640K-1M region is non-cacheable */
347 #define	CCR0_A20M		0x04	/* Enables A20M# input pin */
348 #define	CCR0_KEN		0x08	/* Enables KEN# input pin */
349 #define	CCR0_FLUSH		0x10	/* Enables FLUSH# input pin */
350 #define	CCR0_BARB		0x20	/* Flushes internal cache when entering hold
351 								   state */
352 #define	CCR0_CO			0x40	/* Cache org: 1=direct mapped, 0=2x set
353 								   assoc */
354 #define	CCR0_SUSPEND	0x80	/* Enables SUSP# and SUSPA# pins */
355 
356 #define	CCR1			0xc1	/* Configuration control register 1 */
357 #define	CCR1_RPL		0x01	/* Enables RPLSET and RPLVAL# pins */
358 #define	CCR1_SMI		0x02	/* Enables SMM pins */
359 #define	CCR1_SMAC		0x04	/* System management memory access */
360 #define	CCR1_MMAC		0x08	/* Main memory access */
361 #define	CCR1_NO_LOCK	0x10	/* Negate LOCK# */
362 #define	CCR1_SM3		0x80	/* SMM address space address region 3 */
363 
364 #define	CCR2			0xc2
365 #define	CCR2_WB			0x02	/* Enables WB cache interface pins */
366 #define	CCR2_SADS		0x02	/* Slow ADS */
367 #define	CCR2_LOCK_NW	0x04	/* LOCK NW Bit */
368 #define	CCR2_SUSP_HLT	0x08	/* Suspend on HALT */
369 #define	CCR2_WT1		0x10	/* WT region 1 */
370 #define	CCR2_WPR1		0x10	/* Write-protect region 1 */
371 #define	CCR2_BARB		0x20	/* Flushes write-back cache when entering
372 								   hold state. */
373 #define	CCR2_BWRT		0x40	/* Enables burst write cycles */
374 #define	CCR2_USE_SUSP	0x80	/* Enables suspend pins */
375 
376 #define	CCR3			0xc3
377 #define	CCR3_SMILOCK	0x01	/* SMM register lock */
378 #define	CCR3_NMI		0x02	/* Enables NMI during SMM */
379 #define	CCR3_LINBRST	0x04	/* Linear address burst cycles */
380 #define	CCR3_SMMMODE	0x08	/* SMM Mode */
381 #define	CCR3_MAPEN0		0x10	/* Enables Map0 */
382 #define	CCR3_MAPEN1		0x20	/* Enables Map1 */
383 #define	CCR3_MAPEN2		0x40	/* Enables Map2 */
384 #define	CCR3_MAPEN3		0x80	/* Enables Map3 */
385 
386 #define	CCR4			0xe8
387 #define	CCR4_IOMASK		0x07
388 #define	CCR4_MEM		0x08	/* Enables momory bypassing */
389 #define	CCR4_DTE		0x10	/* Enables directory table entry cache */
390 #define	CCR4_FASTFPE	0x20	/* Fast FPU exception */
391 #define	CCR4_CPUID		0x80	/* Enables CPUID instruction */
392 
393 #define	CCR5			0xe9
394 #define	CCR5_WT_ALLOC	0x01	/* Write-through allocate */
395 #define	CCR5_SLOP		0x02	/* LOOP instruction slowed down */
396 #define	CCR5_LBR1		0x10	/* Local bus region 1 */
397 #define	CCR5_ARREN		0x20	/* Enables ARR region */
398 
399 #define	CCR6			0xea
400 
401 #define	CCR7			0xeb
402 
403 /* Performance Control Register (5x86 only). */
404 #define	PCR0			0x20
405 #define	PCR0_RSTK		0x01	/* Enables return stack */
406 #define	PCR0_BTB		0x02	/* Enables branch target buffer */
407 #define	PCR0_LOOP		0x04	/* Enables loop */
408 #define	PCR0_AIS		0x08	/* Enables all instrcutions stalled to
409 								   serialize pipe. */
410 #define	PCR0_MLR		0x10	/* Enables reordering of misaligned loads */
411 #define	PCR0_BTBRT		0x40	/* Enables BTB test register. */
412 #define	PCR0_LSSER		0x80	/* Disable reorder */
413 
414 /* Device Identification Registers */
415 #define	DIR0			0xfe
416 #define	DIR1			0xff
417 
418 /*
419  * Machine Check register constants.
420  */
421 #define	MCG_CAP_COUNT		0x000000ff
422 #define	MCG_CAP_CTL_P		0x00000100
423 #define	MCG_CAP_EXT_P		0x00000200
424 #define	MCG_CAP_TES_P		0x00000800
425 #define	MCG_CAP_EXT_CNT		0x00ff0000
426 #define	MCG_STATUS_RIPV		0x00000001
427 #define	MCG_STATUS_EIPV		0x00000002
428 #define	MCG_STATUS_MCIP		0x00000004
429 #define	MCG_CTL_ENABLE		0xffffffffffffffffUL
430 #define	MCG_CTL_DISABLE		0x0000000000000000UL
431 #define	MSR_MC_CTL(x)		(MSR_MC0_CTL + (x) * 4)
432 #define	MSR_MC_STATUS(x)	(MSR_MC0_STATUS + (x) * 4)
433 #define	MSR_MC_ADDR(x)		(MSR_MC0_ADDR + (x) * 4)
434 #define	MSR_MC_MISC(x)		(MSR_MC0_MISC + (x) * 4)
435 #define	MC_STATUS_MCA_ERROR	0x000000000000ffffUL
436 #define	MC_STATUS_MODEL_ERROR	0x00000000ffff0000UL
437 #define	MC_STATUS_OTHER_INFO	0x01ffffff00000000UL
438 #define	MC_STATUS_PCC		0x0200000000000000UL
439 #define	MC_STATUS_ADDRV		0x0400000000000000UL
440 #define	MC_STATUS_MISCV		0x0800000000000000UL
441 #define	MC_STATUS_EN		0x1000000000000000UL
442 #define	MC_STATUS_UC		0x2000000000000000UL
443 #define	MC_STATUS_OVER		0x4000000000000000UL
444 #define	MC_STATUS_VAL		0x8000000000000000UL
445 
446 /*
447  * The following four 3-byte registers control the non-cacheable regions.
448  * These registers must be written as three separate bytes.
449  *
450  * NCRx+0: A31-A24 of starting address
451  * NCRx+1: A23-A16 of starting address
452  * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
453  *
454  * The non-cacheable region's starting address must be aligned to the
455  * size indicated by the NCR_SIZE_xx field.
456  */
457 #define	NCR1	0xc4
458 #define	NCR2	0xc7
459 #define	NCR3	0xca
460 #define	NCR4	0xcd
461 
462 #define	NCR_SIZE_0K	0
463 #define	NCR_SIZE_4K	1
464 #define	NCR_SIZE_8K	2
465 #define	NCR_SIZE_16K	3
466 #define	NCR_SIZE_32K	4
467 #define	NCR_SIZE_64K	5
468 #define	NCR_SIZE_128K	6
469 #define	NCR_SIZE_256K	7
470 #define	NCR_SIZE_512K	8
471 #define	NCR_SIZE_1M	9
472 #define	NCR_SIZE_2M	10
473 #define	NCR_SIZE_4M	11
474 #define	NCR_SIZE_8M	12
475 #define	NCR_SIZE_16M	13
476 #define	NCR_SIZE_32M	14
477 #define	NCR_SIZE_4G	15
478 
479 /*
480  * The address region registers are used to specify the location and
481  * size for the eight address regions.
482  *
483  * ARRx + 0: A31-A24 of start address
484  * ARRx + 1: A23-A16 of start address
485  * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx
486  */
487 #define	ARR0	0xc4
488 #define	ARR1	0xc7
489 #define	ARR2	0xca
490 #define	ARR3	0xcd
491 #define	ARR4	0xd0
492 #define	ARR5	0xd3
493 #define	ARR6	0xd6
494 #define	ARR7	0xd9
495 
496 #define	ARR_SIZE_0K		0
497 #define	ARR_SIZE_4K		1
498 #define	ARR_SIZE_8K		2
499 #define	ARR_SIZE_16K	3
500 #define	ARR_SIZE_32K	4
501 #define	ARR_SIZE_64K	5
502 #define	ARR_SIZE_128K	6
503 #define	ARR_SIZE_256K	7
504 #define	ARR_SIZE_512K	8
505 #define	ARR_SIZE_1M		9
506 #define	ARR_SIZE_2M		10
507 #define	ARR_SIZE_4M		11
508 #define	ARR_SIZE_8M		12
509 #define	ARR_SIZE_16M	13
510 #define	ARR_SIZE_32M	14
511 #define	ARR_SIZE_4G		15
512 
513 /*
514  * The region control registers specify the attributes associated with
515  * the ARRx addres regions.
516  */
517 #define	RCR0	0xdc
518 #define	RCR1	0xdd
519 #define	RCR2	0xde
520 #define	RCR3	0xdf
521 #define	RCR4	0xe0
522 #define	RCR5	0xe1
523 #define	RCR6	0xe2
524 #define	RCR7	0xe3
525 
526 #define	RCR_RCD	0x01	/* Disables caching for ARRx (x = 0-6). */
527 #define	RCR_RCE	0x01	/* Enables caching for ARR7. */
528 #define	RCR_WWO	0x02	/* Weak write ordering. */
529 #define	RCR_WL	0x04	/* Weak locking. */
530 #define	RCR_WG	0x08	/* Write gathering. */
531 #define	RCR_WT	0x10	/* Write-through. */
532 #define	RCR_NLB	0x20	/* LBA# pin is not asserted. */
533 
534 /* AMD Write Allocate Top-Of-Memory and Control Register */
535 #define	AMD_WT_ALLOC_TME	0x40000	/* top-of-memory enable */
536 #define	AMD_WT_ALLOC_PRE	0x20000	/* programmable range enable */
537 #define	AMD_WT_ALLOC_FRE	0x10000	/* fixed (A0000-FFFFF) range enable */
538 
539 /* AMD64 MSR's */
540 #define	MSR_EFER	0xc0000080	/* extended features */
541 #define	MSR_K8_UCODE_UPDATE	0xc0010020	/* update microcode */
542 
543 /* VIA ACE crypto featureset: for via_feature_rng */
544 #define	VIA_HAS_RNG		1	/* cpu has RNG */
545 
546 /* VIA ACE crypto featureset: for via_feature_xcrypt */
547 #define	VIA_HAS_AES		1	/* cpu has AES */
548 #define	VIA_HAS_SHA		2	/* cpu has SHA1 & SHA256 */
549 #define	VIA_HAS_MM		4	/* cpu has RSA instructions */
550 #define	VIA_HAS_AESCTR		8	/* cpu has AES-CTR instructions */
551 
552 /* Centaur Extended Feature flags */
553 #define	VIA_CPUID_HAS_RNG	0x000004
554 #define	VIA_CPUID_DO_RNG	0x000008
555 #define	VIA_CPUID_HAS_ACE	0x000040
556 #define	VIA_CPUID_DO_ACE	0x000080
557 #define	VIA_CPUID_HAS_ACE2	0x000100
558 #define	VIA_CPUID_DO_ACE2	0x000200
559 #define	VIA_CPUID_HAS_PHE	0x000400
560 #define	VIA_CPUID_DO_PHE	0x000800
561 #define	VIA_CPUID_HAS_PMM	0x001000
562 #define	VIA_CPUID_DO_PMM	0x002000
563 
564 /* VIA ACE xcrypt-* instruction context control options */
565 #define	VIA_CRYPT_CWLO_ROUND_M		0x0000000f
566 #define	VIA_CRYPT_CWLO_ALG_M		0x00000070
567 #define	VIA_CRYPT_CWLO_ALG_AES		0x00000000
568 #define	VIA_CRYPT_CWLO_KEYGEN_M		0x00000080
569 #define	VIA_CRYPT_CWLO_KEYGEN_HW	0x00000000
570 #define	VIA_CRYPT_CWLO_KEYGEN_SW	0x00000080
571 #define	VIA_CRYPT_CWLO_NORMAL		0x00000000
572 #define	VIA_CRYPT_CWLO_INTERMEDIATE	0x00000100
573 #define	VIA_CRYPT_CWLO_ENCRYPT		0x00000000
574 #define	VIA_CRYPT_CWLO_DECRYPT		0x00000200
575 #define	VIA_CRYPT_CWLO_KEY128		0x0000000a	/* 128bit, 10 rds */
576 #define	VIA_CRYPT_CWLO_KEY192		0x0000040c	/* 192bit, 12 rds */
577 #define	VIA_CRYPT_CWLO_KEY256		0x0000080e	/* 256bit, 15 rds */
578 
579 #endif /* !_MACHINE_SPECIALREG_H_ */
580