xref: /freebsd/sys/x86/include/specialreg.h (revision 4c9e27bd0a5f7fda85b0c0bf750575aee300a172)
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 #define	CR3_PCID_SAVE 0x8000000000000000
56 
57 /*
58  * Bits in PPro special registers
59  */
60 #define	CR4_VME	0x00000001	/* Virtual 8086 mode extensions */
61 #define	CR4_PVI	0x00000002	/* Protected-mode virtual interrupts */
62 #define	CR4_TSD	0x00000004	/* Time stamp disable */
63 #define	CR4_DE	0x00000008	/* Debugging extensions */
64 #define	CR4_PSE	0x00000010	/* Page size extensions */
65 #define	CR4_PAE	0x00000020	/* Physical address extension */
66 #define	CR4_MCE	0x00000040	/* Machine check enable */
67 #define	CR4_PGE	0x00000080	/* Page global enable */
68 #define	CR4_PCE	0x00000100	/* Performance monitoring counter enable */
69 #define	CR4_FXSR 0x00000200	/* Fast FPU save/restore used by OS */
70 #define	CR4_XMM	0x00000400	/* enable SIMD/MMX2 to use except 16 */
71 #define	CR4_VMXE 0x00002000	/* enable VMX operation (Intel-specific) */
72 #define	CR4_FSGSBASE 0x00010000	/* Enable FS/GS BASE accessing instructions */
73 #define	CR4_PCIDE 0x00020000	/* Enable Context ID */
74 #define	CR4_XSAVE 0x00040000	/* XSETBV/XGETBV */
75 #define	CR4_SMEP 0x00100000	/* Supervisor-Mode Execution Prevention */
76 
77 /*
78  * Bits in AMD64 special registers.  EFER is 64 bits wide.
79  */
80 #define	EFER_SCE 0x000000001	/* System Call Extensions (R/W) */
81 #define	EFER_LME 0x000000100	/* Long mode enable (R/W) */
82 #define	EFER_LMA 0x000000400	/* Long mode active (R) */
83 #define	EFER_NXE 0x000000800	/* PTE No-Execute bit enable (R/W) */
84 
85 /*
86  * Intel Extended Features registers
87  */
88 #define	XCR0	0		/* XFEATURE_ENABLED_MASK register */
89 
90 #define	XFEATURE_ENABLED_X87	0x00000001
91 #define	XFEATURE_ENABLED_SSE	0x00000002
92 #define	XFEATURE_ENABLED_AVX	0x00000004
93 
94 #define	XFEATURE_AVX					\
95     (XFEATURE_ENABLED_X87 | XFEATURE_ENABLED_SSE | XFEATURE_ENABLED_AVX)
96 
97 /*
98  * CPUID instruction features register
99  */
100 #define	CPUID_FPU	0x00000001
101 #define	CPUID_VME	0x00000002
102 #define	CPUID_DE	0x00000004
103 #define	CPUID_PSE	0x00000008
104 #define	CPUID_TSC	0x00000010
105 #define	CPUID_MSR	0x00000020
106 #define	CPUID_PAE	0x00000040
107 #define	CPUID_MCE	0x00000080
108 #define	CPUID_CX8	0x00000100
109 #define	CPUID_APIC	0x00000200
110 #define	CPUID_B10	0x00000400
111 #define	CPUID_SEP	0x00000800
112 #define	CPUID_MTRR	0x00001000
113 #define	CPUID_PGE	0x00002000
114 #define	CPUID_MCA	0x00004000
115 #define	CPUID_CMOV	0x00008000
116 #define	CPUID_PAT	0x00010000
117 #define	CPUID_PSE36	0x00020000
118 #define	CPUID_PSN	0x00040000
119 #define	CPUID_CLFSH	0x00080000
120 #define	CPUID_B20	0x00100000
121 #define	CPUID_DS	0x00200000
122 #define	CPUID_ACPI	0x00400000
123 #define	CPUID_MMX	0x00800000
124 #define	CPUID_FXSR	0x01000000
125 #define	CPUID_SSE	0x02000000
126 #define	CPUID_XMM	0x02000000
127 #define	CPUID_SSE2	0x04000000
128 #define	CPUID_SS	0x08000000
129 #define	CPUID_HTT	0x10000000
130 #define	CPUID_TM	0x20000000
131 #define	CPUID_IA64	0x40000000
132 #define	CPUID_PBE	0x80000000
133 
134 #define	CPUID2_SSE3	0x00000001
135 #define	CPUID2_PCLMULQDQ 0x00000002
136 #define	CPUID2_DTES64	0x00000004
137 #define	CPUID2_MON	0x00000008
138 #define	CPUID2_DS_CPL	0x00000010
139 #define	CPUID2_VMX	0x00000020
140 #define	CPUID2_SMX	0x00000040
141 #define	CPUID2_EST	0x00000080
142 #define	CPUID2_TM2	0x00000100
143 #define	CPUID2_SSSE3	0x00000200
144 #define	CPUID2_CNXTID	0x00000400
145 #define	CPUID2_FMA	0x00001000
146 #define	CPUID2_CX16	0x00002000
147 #define	CPUID2_XTPR	0x00004000
148 #define	CPUID2_PDCM	0x00008000
149 #define	CPUID2_PCID	0x00020000
150 #define	CPUID2_DCA	0x00040000
151 #define	CPUID2_SSE41	0x00080000
152 #define	CPUID2_SSE42	0x00100000
153 #define	CPUID2_X2APIC	0x00200000
154 #define	CPUID2_MOVBE	0x00400000
155 #define	CPUID2_POPCNT	0x00800000
156 #define	CPUID2_TSCDLT	0x01000000
157 #define	CPUID2_AESNI	0x02000000
158 #define	CPUID2_XSAVE	0x04000000
159 #define	CPUID2_OSXSAVE	0x08000000
160 #define	CPUID2_AVX	0x10000000
161 #define	CPUID2_F16C	0x20000000
162 #define	CPUID2_RDRAND	0x40000000
163 #define	CPUID2_HV	0x80000000
164 
165 /*
166  * Important bits in the Thermal and Power Management flags
167  * CPUID.6 EAX and ECX.
168  */
169 #define	CPUTPM1_SENSOR	0x00000001
170 #define	CPUTPM1_TURBO	0x00000002
171 #define	CPUTPM1_ARAT	0x00000004
172 #define	CPUTPM2_EFFREQ	0x00000001
173 
174 /*
175  * Important bits in the AMD extended cpuid flags
176  */
177 #define	AMDID_SYSCALL	0x00000800
178 #define	AMDID_MP	0x00080000
179 #define	AMDID_NX	0x00100000
180 #define	AMDID_EXT_MMX	0x00400000
181 #define	AMDID_FFXSR	0x01000000
182 #define	AMDID_PAGE1GB	0x04000000
183 #define	AMDID_RDTSCP	0x08000000
184 #define	AMDID_LM	0x20000000
185 #define	AMDID_EXT_3DNOW	0x40000000
186 #define	AMDID_3DNOW	0x80000000
187 
188 #define	AMDID2_LAHF	0x00000001
189 #define	AMDID2_CMP	0x00000002
190 #define	AMDID2_SVM	0x00000004
191 #define	AMDID2_EXT_APIC	0x00000008
192 #define	AMDID2_CR8	0x00000010
193 #define	AMDID2_ABM	0x00000020
194 #define	AMDID2_SSE4A	0x00000040
195 #define	AMDID2_MAS	0x00000080
196 #define	AMDID2_PREFETCH	0x00000100
197 #define	AMDID2_OSVW	0x00000200
198 #define	AMDID2_IBS	0x00000400
199 #define	AMDID2_XOP	0x00000800
200 #define	AMDID2_SKINIT	0x00001000
201 #define	AMDID2_WDT	0x00002000
202 #define	AMDID2_LWP	0x00008000
203 #define	AMDID2_FMA4	0x00010000
204 #define	AMDID2_TCE	0x00020000
205 #define	AMDID2_NODE_ID	0x00080000
206 #define	AMDID2_TBM	0x00200000
207 #define	AMDID2_TOPOLOGY	0x00400000
208 #define	AMDID2_PCXC	0x00800000
209 #define	AMDID2_PNXC	0x01000000
210 #define	AMDID2_DBE	0x04000000
211 #define	AMDID2_PTSC	0x08000000
212 #define	AMDID2_PTSCEL2I	0x10000000
213 
214 /*
215  * CPUID instruction 1 eax info
216  */
217 #define	CPUID_STEPPING		0x0000000f
218 #define	CPUID_MODEL		0x000000f0
219 #define	CPUID_FAMILY		0x00000f00
220 #define	CPUID_EXT_MODEL		0x000f0000
221 #define	CPUID_EXT_FAMILY	0x0ff00000
222 #ifdef __i386__
223 #define	CPUID_TO_MODEL(id) \
224     ((((id) & CPUID_MODEL) >> 4) | \
225     ((((id) & CPUID_FAMILY) >= 0x600) ? \
226     (((id) & CPUID_EXT_MODEL) >> 12) : 0))
227 #define	CPUID_TO_FAMILY(id) \
228     ((((id) & CPUID_FAMILY) >> 8) + \
229     ((((id) & CPUID_FAMILY) == 0xf00) ? \
230     (((id) & CPUID_EXT_FAMILY) >> 20) : 0))
231 #else
232 #define	CPUID_TO_MODEL(id) \
233     ((((id) & CPUID_MODEL) >> 4) | \
234     (((id) & CPUID_EXT_MODEL) >> 12))
235 #define	CPUID_TO_FAMILY(id) \
236     ((((id) & CPUID_FAMILY) >> 8) + \
237     (((id) & CPUID_EXT_FAMILY) >> 20))
238 #endif
239 
240 /*
241  * CPUID instruction 1 ebx info
242  */
243 #define	CPUID_BRAND_INDEX	0x000000ff
244 #define	CPUID_CLFUSH_SIZE	0x0000ff00
245 #define	CPUID_HTT_CORES		0x00ff0000
246 #define	CPUID_LOCAL_APIC_ID	0xff000000
247 
248 /*
249  * CPUID instruction 5 info
250  */
251 #define	CPUID5_MON_MIN_SIZE	0x0000ffff	/* eax */
252 #define	CPUID5_MON_MAX_SIZE	0x0000ffff	/* ebx */
253 #define	CPUID5_MON_MWAIT_EXT	0x00000001	/* ecx */
254 #define	CPUID5_MWAIT_INTRBREAK	0x00000002	/* ecx */
255 
256 /*
257  * MWAIT cpu power states.  Lower 4 bits are sub-states.
258  */
259 #define	MWAIT_C0	0xf0
260 #define	MWAIT_C1	0x00
261 #define	MWAIT_C2	0x10
262 #define	MWAIT_C3	0x20
263 #define	MWAIT_C4	0x30
264 
265 /*
266  * MWAIT extensions.
267  */
268 /* Interrupt breaks MWAIT even when masked. */
269 #define	MWAIT_INTRBREAK		0x00000001
270 
271 /*
272  * CPUID instruction 6 ecx info
273  */
274 #define	CPUID_PERF_STAT		0x00000001
275 #define	CPUID_PERF_BIAS		0x00000008
276 
277 /*
278  * CPUID instruction 0xb ebx info.
279  */
280 #define	CPUID_TYPE_INVAL	0
281 #define	CPUID_TYPE_SMT		1
282 #define	CPUID_TYPE_CORE		2
283 
284 /*
285  * CPUID instruction 0xd Processor Extended State Enumeration Sub-leaf 1
286  */
287 #define	CPUID_EXTSTATE_XSAVEOPT	0x00000001
288 
289 /*
290  * AMD extended function 8000_0007h edx info
291  */
292 #define	AMDPM_TS		0x00000001
293 #define	AMDPM_FID		0x00000002
294 #define	AMDPM_VID		0x00000004
295 #define	AMDPM_TTP		0x00000008
296 #define	AMDPM_TM		0x00000010
297 #define	AMDPM_STC		0x00000020
298 #define	AMDPM_100MHZ_STEPS	0x00000040
299 #define	AMDPM_HW_PSTATE		0x00000080
300 #define	AMDPM_TSC_INVARIANT	0x00000100
301 #define	AMDPM_CPB		0x00000200
302 
303 /*
304  * AMD extended function 8000_0008h ecx info
305  */
306 #define	AMDID_CMP_CORES		0x000000ff
307 #define	AMDID_COREID_SIZE	0x0000f000
308 #define	AMDID_COREID_SIZE_SHIFT	12
309 
310 /*
311  * Structured Extended Features
312  */
313 #define	CPUID_STDEXT_FSGSBASE	0x00000001
314 #define	CPUID_STDEXT_TSC_ADJUST	0x00000002
315 #define	CPUID_STDEXT_BMI1	0x00000008
316 #define	CPUID_STDEXT_HLE	0x00000010
317 #define	CPUID_STDEXT_AVX2	0x00000020
318 #define	CPUID_STDEXT_SMEP	0x00000080
319 #define	CPUID_STDEXT_BMI2	0x00000100
320 #define	CPUID_STDEXT_ENH_MOVSB	0x00000200
321 #define	CPUID_STDEXT_RTM	0x00000800
322 #define	CPUID_STDEXT_INVPCID	0x00000400
323 #define	CPUID_STDEXT_RDSEED	0x00040000
324 #define	CPUID_STDEXT_ADX	0x00080000
325 #define	CPUID_STDEXT_SMAP	0x00100000
326 
327 /*
328  * CPUID manufacturers identifiers
329  */
330 #define	AMD_VENDOR_ID		"AuthenticAMD"
331 #define	CENTAUR_VENDOR_ID	"CentaurHauls"
332 #define	CYRIX_VENDOR_ID		"CyrixInstead"
333 #define	INTEL_VENDOR_ID		"GenuineIntel"
334 #define	NEXGEN_VENDOR_ID	"NexGenDriven"
335 #define	NSC_VENDOR_ID		"Geode by NSC"
336 #define	RISE_VENDOR_ID		"RiseRiseRise"
337 #define	SIS_VENDOR_ID		"SiS SiS SiS "
338 #define	TRANSMETA_VENDOR_ID	"GenuineTMx86"
339 #define	UMC_VENDOR_ID		"UMC UMC UMC "
340 
341 /*
342  * Model-specific registers for the i386 family
343  */
344 #define	MSR_P5_MC_ADDR		0x000
345 #define	MSR_P5_MC_TYPE		0x001
346 #define	MSR_TSC			0x010
347 #define	MSR_P5_CESR		0x011
348 #define	MSR_P5_CTR0		0x012
349 #define	MSR_P5_CTR1		0x013
350 #define	MSR_IA32_PLATFORM_ID	0x017
351 #define	MSR_APICBASE		0x01b
352 #define	MSR_EBL_CR_POWERON	0x02a
353 #define	MSR_TEST_CTL		0x033
354 #define	MSR_IA32_FEATURE_CONTROL 0x03a
355 #define	MSR_BIOS_UPDT_TRIG	0x079
356 #define	MSR_BBL_CR_D0		0x088
357 #define	MSR_BBL_CR_D1		0x089
358 #define	MSR_BBL_CR_D2		0x08a
359 #define	MSR_BIOS_SIGN		0x08b
360 #define	MSR_PERFCTR0		0x0c1
361 #define	MSR_PERFCTR1		0x0c2
362 #define	MSR_MPERF		0x0e7
363 #define	MSR_APERF		0x0e8
364 #define	MSR_IA32_EXT_CONFIG	0x0ee	/* Undocumented. Core Solo/Duo only */
365 #define	MSR_MTRRcap		0x0fe
366 #define	MSR_BBL_CR_ADDR		0x116
367 #define	MSR_BBL_CR_DECC		0x118
368 #define	MSR_BBL_CR_CTL		0x119
369 #define	MSR_BBL_CR_TRIG		0x11a
370 #define	MSR_BBL_CR_BUSY		0x11b
371 #define	MSR_BBL_CR_CTL3		0x11e
372 #define	MSR_SYSENTER_CS_MSR	0x174
373 #define	MSR_SYSENTER_ESP_MSR	0x175
374 #define	MSR_SYSENTER_EIP_MSR	0x176
375 #define	MSR_MCG_CAP		0x179
376 #define	MSR_MCG_STATUS		0x17a
377 #define	MSR_MCG_CTL		0x17b
378 #define	MSR_EVNTSEL0		0x186
379 #define	MSR_EVNTSEL1		0x187
380 #define	MSR_THERM_CONTROL	0x19a
381 #define	MSR_THERM_INTERRUPT	0x19b
382 #define	MSR_THERM_STATUS	0x19c
383 #define	MSR_IA32_MISC_ENABLE	0x1a0
384 #define	MSR_IA32_TEMPERATURE_TARGET	0x1a2
385 #define	MSR_DEBUGCTLMSR		0x1d9
386 #define	MSR_LASTBRANCHFROMIP	0x1db
387 #define	MSR_LASTBRANCHTOIP	0x1dc
388 #define	MSR_LASTINTFROMIP	0x1dd
389 #define	MSR_LASTINTTOIP		0x1de
390 #define	MSR_ROB_CR_BKUPTMPDR6	0x1e0
391 #define	MSR_MTRRVarBase		0x200
392 #define	MSR_MTRR64kBase		0x250
393 #define	MSR_MTRR16kBase		0x258
394 #define	MSR_MTRR4kBase		0x268
395 #define	MSR_PAT			0x277
396 #define	MSR_MC0_CTL2		0x280
397 #define	MSR_MTRRdefType		0x2ff
398 #define	MSR_MC0_CTL		0x400
399 #define	MSR_MC0_STATUS		0x401
400 #define	MSR_MC0_ADDR		0x402
401 #define	MSR_MC0_MISC		0x403
402 #define	MSR_MC1_CTL		0x404
403 #define	MSR_MC1_STATUS		0x405
404 #define	MSR_MC1_ADDR		0x406
405 #define	MSR_MC1_MISC		0x407
406 #define	MSR_MC2_CTL		0x408
407 #define	MSR_MC2_STATUS		0x409
408 #define	MSR_MC2_ADDR		0x40a
409 #define	MSR_MC2_MISC		0x40b
410 #define	MSR_MC3_CTL		0x40c
411 #define	MSR_MC3_STATUS		0x40d
412 #define	MSR_MC3_ADDR		0x40e
413 #define	MSR_MC3_MISC		0x40f
414 #define	MSR_MC4_CTL		0x410
415 #define	MSR_MC4_STATUS		0x411
416 #define	MSR_MC4_ADDR		0x412
417 #define	MSR_MC4_MISC		0x413
418 
419 /*
420  * X2APIC MSRs
421  */
422 #define	MSR_APIC_ID		0x802
423 #define	MSR_APIC_VERSION	0x803
424 #define	MSR_APIC_TPR		0x808
425 #define	MSR_APIC_EOI		0x80b
426 #define	MSR_APIC_LDR		0x80d
427 #define	MSR_APIC_SVR		0x80f
428 #define	MSR_APIC_ISR0		0x810
429 #define	MSR_APIC_ISR1		0x811
430 #define	MSR_APIC_ISR2		0x812
431 #define	MSR_APIC_ISR3		0x813
432 #define	MSR_APIC_ISR4		0x814
433 #define	MSR_APIC_ISR5		0x815
434 #define	MSR_APIC_ISR6		0x816
435 #define	MSR_APIC_ISR7		0x817
436 #define	MSR_APIC_TMR0		0x818
437 #define	MSR_APIC_IRR0		0x820
438 #define	MSR_APIC_ESR		0x828
439 #define	MSR_APIC_LVT_CMCI	0x82F
440 #define	MSR_APIC_ICR		0x830
441 #define	MSR_APIC_LVT_TIMER	0x832
442 #define	MSR_APIC_LVT_THERMAL	0x833
443 #define	MSR_APIC_LVT_PCINT	0x834
444 #define	MSR_APIC_LVT_LINT0	0x835
445 #define	MSR_APIC_LVT_LINT1	0x836
446 #define	MSR_APIC_LVT_ERROR	0x837
447 #define	MSR_APIC_ICR_TIMER	0x838
448 #define	MSR_APIC_CCR_TIMER	0x839
449 #define	MSR_APIC_DCR_TIMER	0x83e
450 #define	MSR_APIC_SELF_IPI	0x83f
451 
452 /*
453  * Constants related to MSR's.
454  */
455 #define	APICBASE_RESERVED	0x000002ff
456 #define	APICBASE_BSP		0x00000100
457 #define	APICBASE_X2APIC		0x00000400
458 #define	APICBASE_ENABLED	0x00000800
459 #define	APICBASE_ADDRESS	0xfffff000
460 
461 /* MSR_IA32_FEATURE_CONTROL related */
462 #define	IA32_FEATURE_CONTROL_LOCK	0x01	/* lock bit */
463 #define	IA32_FEATURE_CONTROL_SMX_EN	0x02	/* enable VMX inside SMX */
464 #define	IA32_FEATURE_CONTROL_VMX_EN	0x04	/* enable VMX outside SMX */
465 
466 /*
467  * PAT modes.
468  */
469 #define	PAT_UNCACHEABLE		0x00
470 #define	PAT_WRITE_COMBINING	0x01
471 #define	PAT_WRITE_THROUGH	0x04
472 #define	PAT_WRITE_PROTECTED	0x05
473 #define	PAT_WRITE_BACK		0x06
474 #define	PAT_UNCACHED		0x07
475 #define	PAT_VALUE(i, m)		((long long)(m) << (8 * (i)))
476 #define	PAT_MASK(i)		PAT_VALUE(i, 0xff)
477 
478 /*
479  * Constants related to MTRRs
480  */
481 #define	MTRR_UNCACHEABLE	0x00
482 #define	MTRR_WRITE_COMBINING	0x01
483 #define	MTRR_WRITE_THROUGH	0x04
484 #define	MTRR_WRITE_PROTECTED	0x05
485 #define	MTRR_WRITE_BACK		0x06
486 #define	MTRR_N64K		8	/* numbers of fixed-size entries */
487 #define	MTRR_N16K		16
488 #define	MTRR_N4K		64
489 #define	MTRR_CAP_WC		0x0000000000000400
490 #define	MTRR_CAP_FIXED		0x0000000000000100
491 #define	MTRR_CAP_VCNT		0x00000000000000ff
492 #define	MTRR_DEF_ENABLE		0x0000000000000800
493 #define	MTRR_DEF_FIXED_ENABLE	0x0000000000000400
494 #define	MTRR_DEF_TYPE		0x00000000000000ff
495 #define	MTRR_PHYSBASE_PHYSBASE	0x000ffffffffff000
496 #define	MTRR_PHYSBASE_TYPE	0x00000000000000ff
497 #define	MTRR_PHYSMASK_PHYSMASK	0x000ffffffffff000
498 #define	MTRR_PHYSMASK_VALID	0x0000000000000800
499 
500 /*
501  * Cyrix configuration registers, accessible as IO ports.
502  */
503 #define	CCR0			0xc0	/* Configuration control register 0 */
504 #define	CCR0_NC0		0x01	/* First 64K of each 1M memory region is
505 								   non-cacheable */
506 #define	CCR0_NC1		0x02	/* 640K-1M region is non-cacheable */
507 #define	CCR0_A20M		0x04	/* Enables A20M# input pin */
508 #define	CCR0_KEN		0x08	/* Enables KEN# input pin */
509 #define	CCR0_FLUSH		0x10	/* Enables FLUSH# input pin */
510 #define	CCR0_BARB		0x20	/* Flushes internal cache when entering hold
511 								   state */
512 #define	CCR0_CO			0x40	/* Cache org: 1=direct mapped, 0=2x set
513 								   assoc */
514 #define	CCR0_SUSPEND	0x80	/* Enables SUSP# and SUSPA# pins */
515 
516 #define	CCR1			0xc1	/* Configuration control register 1 */
517 #define	CCR1_RPL		0x01	/* Enables RPLSET and RPLVAL# pins */
518 #define	CCR1_SMI		0x02	/* Enables SMM pins */
519 #define	CCR1_SMAC		0x04	/* System management memory access */
520 #define	CCR1_MMAC		0x08	/* Main memory access */
521 #define	CCR1_NO_LOCK	0x10	/* Negate LOCK# */
522 #define	CCR1_SM3		0x80	/* SMM address space address region 3 */
523 
524 #define	CCR2			0xc2
525 #define	CCR2_WB			0x02	/* Enables WB cache interface pins */
526 #define	CCR2_SADS		0x02	/* Slow ADS */
527 #define	CCR2_LOCK_NW	0x04	/* LOCK NW Bit */
528 #define	CCR2_SUSP_HLT	0x08	/* Suspend on HALT */
529 #define	CCR2_WT1		0x10	/* WT region 1 */
530 #define	CCR2_WPR1		0x10	/* Write-protect region 1 */
531 #define	CCR2_BARB		0x20	/* Flushes write-back cache when entering
532 								   hold state. */
533 #define	CCR2_BWRT		0x40	/* Enables burst write cycles */
534 #define	CCR2_USE_SUSP	0x80	/* Enables suspend pins */
535 
536 #define	CCR3			0xc3
537 #define	CCR3_SMILOCK	0x01	/* SMM register lock */
538 #define	CCR3_NMI		0x02	/* Enables NMI during SMM */
539 #define	CCR3_LINBRST	0x04	/* Linear address burst cycles */
540 #define	CCR3_SMMMODE	0x08	/* SMM Mode */
541 #define	CCR3_MAPEN0		0x10	/* Enables Map0 */
542 #define	CCR3_MAPEN1		0x20	/* Enables Map1 */
543 #define	CCR3_MAPEN2		0x40	/* Enables Map2 */
544 #define	CCR3_MAPEN3		0x80	/* Enables Map3 */
545 
546 #define	CCR4			0xe8
547 #define	CCR4_IOMASK		0x07
548 #define	CCR4_MEM		0x08	/* Enables momory bypassing */
549 #define	CCR4_DTE		0x10	/* Enables directory table entry cache */
550 #define	CCR4_FASTFPE	0x20	/* Fast FPU exception */
551 #define	CCR4_CPUID		0x80	/* Enables CPUID instruction */
552 
553 #define	CCR5			0xe9
554 #define	CCR5_WT_ALLOC	0x01	/* Write-through allocate */
555 #define	CCR5_SLOP		0x02	/* LOOP instruction slowed down */
556 #define	CCR5_LBR1		0x10	/* Local bus region 1 */
557 #define	CCR5_ARREN		0x20	/* Enables ARR region */
558 
559 #define	CCR6			0xea
560 
561 #define	CCR7			0xeb
562 
563 /* Performance Control Register (5x86 only). */
564 #define	PCR0			0x20
565 #define	PCR0_RSTK		0x01	/* Enables return stack */
566 #define	PCR0_BTB		0x02	/* Enables branch target buffer */
567 #define	PCR0_LOOP		0x04	/* Enables loop */
568 #define	PCR0_AIS		0x08	/* Enables all instrcutions stalled to
569 								   serialize pipe. */
570 #define	PCR0_MLR		0x10	/* Enables reordering of misaligned loads */
571 #define	PCR0_BTBRT		0x40	/* Enables BTB test register. */
572 #define	PCR0_LSSER		0x80	/* Disable reorder */
573 
574 /* Device Identification Registers */
575 #define	DIR0			0xfe
576 #define	DIR1			0xff
577 
578 /*
579  * Machine Check register constants.
580  */
581 #define	MCG_CAP_COUNT		0x000000ff
582 #define	MCG_CAP_CTL_P		0x00000100
583 #define	MCG_CAP_EXT_P		0x00000200
584 #define	MCG_CAP_CMCI_P		0x00000400
585 #define	MCG_CAP_TES_P		0x00000800
586 #define	MCG_CAP_EXT_CNT		0x00ff0000
587 #define	MCG_CAP_SER_P		0x01000000
588 #define	MCG_STATUS_RIPV		0x00000001
589 #define	MCG_STATUS_EIPV		0x00000002
590 #define	MCG_STATUS_MCIP		0x00000004
591 #define	MCG_CTL_ENABLE		0xffffffffffffffff
592 #define	MCG_CTL_DISABLE		0x0000000000000000
593 #define	MSR_MC_CTL(x)		(MSR_MC0_CTL + (x) * 4)
594 #define	MSR_MC_STATUS(x)	(MSR_MC0_STATUS + (x) * 4)
595 #define	MSR_MC_ADDR(x)		(MSR_MC0_ADDR + (x) * 4)
596 #define	MSR_MC_MISC(x)		(MSR_MC0_MISC + (x) * 4)
597 #define	MSR_MC_CTL2(x)		(MSR_MC0_CTL2 + (x))	/* If MCG_CAP_CMCI_P */
598 #define	MC_STATUS_MCA_ERROR	0x000000000000ffff
599 #define	MC_STATUS_MODEL_ERROR	0x00000000ffff0000
600 #define	MC_STATUS_OTHER_INFO	0x01ffffff00000000
601 #define	MC_STATUS_COR_COUNT	0x001fffc000000000	/* If MCG_CAP_CMCI_P */
602 #define	MC_STATUS_TES_STATUS	0x0060000000000000	/* If MCG_CAP_TES_P */
603 #define	MC_STATUS_AR		0x0080000000000000	/* If MCG_CAP_TES_P */
604 #define	MC_STATUS_S		0x0100000000000000	/* If MCG_CAP_TES_P */
605 #define	MC_STATUS_PCC		0x0200000000000000
606 #define	MC_STATUS_ADDRV		0x0400000000000000
607 #define	MC_STATUS_MISCV		0x0800000000000000
608 #define	MC_STATUS_EN		0x1000000000000000
609 #define	MC_STATUS_UC		0x2000000000000000
610 #define	MC_STATUS_OVER		0x4000000000000000
611 #define	MC_STATUS_VAL		0x8000000000000000
612 #define	MC_MISC_RA_LSB		0x000000000000003f	/* If MCG_CAP_SER_P */
613 #define	MC_MISC_ADDRESS_MODE	0x00000000000001c0	/* If MCG_CAP_SER_P */
614 #define	MC_CTL2_THRESHOLD	0x0000000000007fff
615 #define	MC_CTL2_CMCI_EN		0x0000000040000000
616 
617 /*
618  * The following four 3-byte registers control the non-cacheable regions.
619  * These registers must be written as three separate bytes.
620  *
621  * NCRx+0: A31-A24 of starting address
622  * NCRx+1: A23-A16 of starting address
623  * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
624  *
625  * The non-cacheable region's starting address must be aligned to the
626  * size indicated by the NCR_SIZE_xx field.
627  */
628 #define	NCR1	0xc4
629 #define	NCR2	0xc7
630 #define	NCR3	0xca
631 #define	NCR4	0xcd
632 
633 #define	NCR_SIZE_0K	0
634 #define	NCR_SIZE_4K	1
635 #define	NCR_SIZE_8K	2
636 #define	NCR_SIZE_16K	3
637 #define	NCR_SIZE_32K	4
638 #define	NCR_SIZE_64K	5
639 #define	NCR_SIZE_128K	6
640 #define	NCR_SIZE_256K	7
641 #define	NCR_SIZE_512K	8
642 #define	NCR_SIZE_1M	9
643 #define	NCR_SIZE_2M	10
644 #define	NCR_SIZE_4M	11
645 #define	NCR_SIZE_8M	12
646 #define	NCR_SIZE_16M	13
647 #define	NCR_SIZE_32M	14
648 #define	NCR_SIZE_4G	15
649 
650 /*
651  * The address region registers are used to specify the location and
652  * size for the eight address regions.
653  *
654  * ARRx + 0: A31-A24 of start address
655  * ARRx + 1: A23-A16 of start address
656  * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx
657  */
658 #define	ARR0	0xc4
659 #define	ARR1	0xc7
660 #define	ARR2	0xca
661 #define	ARR3	0xcd
662 #define	ARR4	0xd0
663 #define	ARR5	0xd3
664 #define	ARR6	0xd6
665 #define	ARR7	0xd9
666 
667 #define	ARR_SIZE_0K		0
668 #define	ARR_SIZE_4K		1
669 #define	ARR_SIZE_8K		2
670 #define	ARR_SIZE_16K	3
671 #define	ARR_SIZE_32K	4
672 #define	ARR_SIZE_64K	5
673 #define	ARR_SIZE_128K	6
674 #define	ARR_SIZE_256K	7
675 #define	ARR_SIZE_512K	8
676 #define	ARR_SIZE_1M		9
677 #define	ARR_SIZE_2M		10
678 #define	ARR_SIZE_4M		11
679 #define	ARR_SIZE_8M		12
680 #define	ARR_SIZE_16M	13
681 #define	ARR_SIZE_32M	14
682 #define	ARR_SIZE_4G		15
683 
684 /*
685  * The region control registers specify the attributes associated with
686  * the ARRx addres regions.
687  */
688 #define	RCR0	0xdc
689 #define	RCR1	0xdd
690 #define	RCR2	0xde
691 #define	RCR3	0xdf
692 #define	RCR4	0xe0
693 #define	RCR5	0xe1
694 #define	RCR6	0xe2
695 #define	RCR7	0xe3
696 
697 #define	RCR_RCD	0x01	/* Disables caching for ARRx (x = 0-6). */
698 #define	RCR_RCE	0x01	/* Enables caching for ARR7. */
699 #define	RCR_WWO	0x02	/* Weak write ordering. */
700 #define	RCR_WL	0x04	/* Weak locking. */
701 #define	RCR_WG	0x08	/* Write gathering. */
702 #define	RCR_WT	0x10	/* Write-through. */
703 #define	RCR_NLB	0x20	/* LBA# pin is not asserted. */
704 
705 /* AMD Write Allocate Top-Of-Memory and Control Register */
706 #define	AMD_WT_ALLOC_TME	0x40000	/* top-of-memory enable */
707 #define	AMD_WT_ALLOC_PRE	0x20000	/* programmable range enable */
708 #define	AMD_WT_ALLOC_FRE	0x10000	/* fixed (A0000-FFFFF) range enable */
709 
710 /* AMD64 MSR's */
711 #define	MSR_EFER	0xc0000080	/* extended features */
712 #define	MSR_STAR	0xc0000081	/* legacy mode SYSCALL target/cs/ss */
713 #define	MSR_LSTAR	0xc0000082	/* long mode SYSCALL target rip */
714 #define	MSR_CSTAR	0xc0000083	/* compat mode SYSCALL target rip */
715 #define	MSR_SF_MASK	0xc0000084	/* syscall flags mask */
716 #define	MSR_FSBASE	0xc0000100	/* base address of the %fs "segment" */
717 #define	MSR_GSBASE	0xc0000101	/* base address of the %gs "segment" */
718 #define	MSR_KGSBASE	0xc0000102	/* base address of the kernel %gs */
719 #define	MSR_PERFEVSEL0	0xc0010000
720 #define	MSR_PERFEVSEL1	0xc0010001
721 #define	MSR_PERFEVSEL2	0xc0010002
722 #define	MSR_PERFEVSEL3	0xc0010003
723 #undef MSR_PERFCTR0
724 #undef MSR_PERFCTR1
725 #define	MSR_PERFCTR0	0xc0010004
726 #define	MSR_PERFCTR1	0xc0010005
727 #define	MSR_PERFCTR2	0xc0010006
728 #define	MSR_PERFCTR3	0xc0010007
729 #define	MSR_SYSCFG	0xc0010010
730 #define	MSR_HWCR	0xc0010015
731 #define	MSR_IORRBASE0	0xc0010016
732 #define	MSR_IORRMASK0	0xc0010017
733 #define	MSR_IORRBASE1	0xc0010018
734 #define	MSR_IORRMASK1	0xc0010019
735 #define	MSR_TOP_MEM	0xc001001a	/* boundary for ram below 4G */
736 #define	MSR_TOP_MEM2	0xc001001d	/* boundary for ram above 4G */
737 #define	MSR_K8_UCODE_UPDATE	0xc0010020	/* update microcode */
738 #define	MSR_MC0_CTL_MASK	0xc0010044
739 
740 /* VIA ACE crypto featureset: for via_feature_rng */
741 #define	VIA_HAS_RNG		1	/* cpu has RNG */
742 
743 /* VIA ACE crypto featureset: for via_feature_xcrypt */
744 #define	VIA_HAS_AES		1	/* cpu has AES */
745 #define	VIA_HAS_SHA		2	/* cpu has SHA1 & SHA256 */
746 #define	VIA_HAS_MM		4	/* cpu has RSA instructions */
747 #define	VIA_HAS_AESCTR		8	/* cpu has AES-CTR instructions */
748 
749 /* Centaur Extended Feature flags */
750 #define	VIA_CPUID_HAS_RNG	0x000004
751 #define	VIA_CPUID_DO_RNG	0x000008
752 #define	VIA_CPUID_HAS_ACE	0x000040
753 #define	VIA_CPUID_DO_ACE	0x000080
754 #define	VIA_CPUID_HAS_ACE2	0x000100
755 #define	VIA_CPUID_DO_ACE2	0x000200
756 #define	VIA_CPUID_HAS_PHE	0x000400
757 #define	VIA_CPUID_DO_PHE	0x000800
758 #define	VIA_CPUID_HAS_PMM	0x001000
759 #define	VIA_CPUID_DO_PMM	0x002000
760 
761 /* VIA ACE xcrypt-* instruction context control options */
762 #define	VIA_CRYPT_CWLO_ROUND_M		0x0000000f
763 #define	VIA_CRYPT_CWLO_ALG_M		0x00000070
764 #define	VIA_CRYPT_CWLO_ALG_AES		0x00000000
765 #define	VIA_CRYPT_CWLO_KEYGEN_M		0x00000080
766 #define	VIA_CRYPT_CWLO_KEYGEN_HW	0x00000000
767 #define	VIA_CRYPT_CWLO_KEYGEN_SW	0x00000080
768 #define	VIA_CRYPT_CWLO_NORMAL		0x00000000
769 #define	VIA_CRYPT_CWLO_INTERMEDIATE	0x00000100
770 #define	VIA_CRYPT_CWLO_ENCRYPT		0x00000000
771 #define	VIA_CRYPT_CWLO_DECRYPT		0x00000200
772 #define	VIA_CRYPT_CWLO_KEY128		0x0000000a	/* 128bit, 10 rds */
773 #define	VIA_CRYPT_CWLO_KEY192		0x0000040c	/* 192bit, 12 rds */
774 #define	VIA_CRYPT_CWLO_KEY256		0x0000080e	/* 256bit, 15 rds */
775 
776 #endif /* !_MACHINE_SPECIALREG_H_ */
777