specialreg.h revision 234364
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: head/sys/x86/include/specialreg.h 234364 2012-04-17 00:54:38Z grehan $
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#define	CR4_XSAVE 0x00040000	/* XSETBV/XGETBV */
70
71/*
72 * Bits in AMD64 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 * Intel Extended Features registers
81 */
82#define	XCR0	0		/* XFEATURE_ENABLED_MASK register */
83
84#define	XFEATURE_ENABLED_X87	0x00000001
85#define	XFEATURE_ENABLED_SSE	0x00000002
86#define	XFEATURE_ENABLED_AVX	0x00000004
87
88#define	XFEATURE_AVX					\
89    (XFEATURE_ENABLED_X87 | XFEATURE_ENABLED_SSE | XFEATURE_ENABLED_AVX)
90
91/*
92 * CPUID instruction features register
93 */
94#define	CPUID_FPU	0x00000001
95#define	CPUID_VME	0x00000002
96#define	CPUID_DE	0x00000004
97#define	CPUID_PSE	0x00000008
98#define	CPUID_TSC	0x00000010
99#define	CPUID_MSR	0x00000020
100#define	CPUID_PAE	0x00000040
101#define	CPUID_MCE	0x00000080
102#define	CPUID_CX8	0x00000100
103#define	CPUID_APIC	0x00000200
104#define	CPUID_B10	0x00000400
105#define	CPUID_SEP	0x00000800
106#define	CPUID_MTRR	0x00001000
107#define	CPUID_PGE	0x00002000
108#define	CPUID_MCA	0x00004000
109#define	CPUID_CMOV	0x00008000
110#define	CPUID_PAT	0x00010000
111#define	CPUID_PSE36	0x00020000
112#define	CPUID_PSN	0x00040000
113#define	CPUID_CLFSH	0x00080000
114#define	CPUID_B20	0x00100000
115#define	CPUID_DS	0x00200000
116#define	CPUID_ACPI	0x00400000
117#define	CPUID_MMX	0x00800000
118#define	CPUID_FXSR	0x01000000
119#define	CPUID_SSE	0x02000000
120#define	CPUID_XMM	0x02000000
121#define	CPUID_SSE2	0x04000000
122#define	CPUID_SS	0x08000000
123#define	CPUID_HTT	0x10000000
124#define	CPUID_TM	0x20000000
125#define	CPUID_IA64	0x40000000
126#define	CPUID_PBE	0x80000000
127
128#define	CPUID2_SSE3	0x00000001
129#define	CPUID2_PCLMULQDQ 0x00000002
130#define	CPUID2_DTES64	0x00000004
131#define	CPUID2_MON	0x00000008
132#define	CPUID2_DS_CPL	0x00000010
133#define	CPUID2_VMX	0x00000020
134#define	CPUID2_SMX	0x00000040
135#define	CPUID2_EST	0x00000080
136#define	CPUID2_TM2	0x00000100
137#define	CPUID2_SSSE3	0x00000200
138#define	CPUID2_CNXTID	0x00000400
139#define	CPUID2_FMA	0x00001000
140#define	CPUID2_CX16	0x00002000
141#define	CPUID2_XTPR	0x00004000
142#define	CPUID2_PDCM	0x00008000
143#define	CPUID2_PCID	0x00020000
144#define	CPUID2_DCA	0x00040000
145#define	CPUID2_SSE41	0x00080000
146#define	CPUID2_SSE42	0x00100000
147#define	CPUID2_X2APIC	0x00200000
148#define	CPUID2_MOVBE	0x00400000
149#define	CPUID2_POPCNT	0x00800000
150#define	CPUID2_TSCDLT	0x01000000
151#define	CPUID2_AESNI	0x02000000
152#define	CPUID2_XSAVE	0x04000000
153#define	CPUID2_OSXSAVE	0x08000000
154#define	CPUID2_AVX	0x10000000
155#define	CPUID2_F16C	0x20000000
156#define	CPUID2_RDRAND	0x40000000
157#define	CPUID2_HV	0x80000000
158
159/*
160 * Important bits in the Thermal and Power Management flags
161 * CPUID.6 EAX and ECX.
162 */
163#define	CPUTPM1_SENSOR	0x00000001
164#define	CPUTPM1_TURBO	0x00000002
165#define	CPUTPM1_ARAT	0x00000004
166#define	CPUTPM2_EFFREQ	0x00000001
167
168/*
169 * Important bits in the AMD extended cpuid flags
170 */
171#define	AMDID_SYSCALL	0x00000800
172#define	AMDID_MP	0x00080000
173#define	AMDID_NX	0x00100000
174#define	AMDID_EXT_MMX	0x00400000
175#define	AMDID_FFXSR	0x01000000
176#define	AMDID_PAGE1GB	0x04000000
177#define	AMDID_RDTSCP	0x08000000
178#define	AMDID_LM	0x20000000
179#define	AMDID_EXT_3DNOW	0x40000000
180#define	AMDID_3DNOW	0x80000000
181
182#define	AMDID2_LAHF	0x00000001
183#define	AMDID2_CMP	0x00000002
184#define	AMDID2_SVM	0x00000004
185#define	AMDID2_EXT_APIC	0x00000008
186#define	AMDID2_CR8	0x00000010
187#define	AMDID2_ABM	0x00000020
188#define	AMDID2_SSE4A	0x00000040
189#define	AMDID2_MAS	0x00000080
190#define	AMDID2_PREFETCH	0x00000100
191#define	AMDID2_OSVW	0x00000200
192#define	AMDID2_IBS	0x00000400
193#define	AMDID2_XOP	0x00000800
194#define	AMDID2_SKINIT	0x00001000
195#define	AMDID2_WDT	0x00002000
196#define	AMDID2_LWP	0x00008000
197#define	AMDID2_FMA4	0x00010000
198#define	AMDID2_NODE_ID	0x00080000
199#define	AMDID2_TBM	0x00200000
200#define	AMDID2_TOPOLOGY	0x00400000
201
202/*
203 * CPUID instruction 1 eax info
204 */
205#define	CPUID_STEPPING		0x0000000f
206#define	CPUID_MODEL		0x000000f0
207#define	CPUID_FAMILY		0x00000f00
208#define	CPUID_EXT_MODEL		0x000f0000
209#define	CPUID_EXT_FAMILY	0x0ff00000
210#ifdef __i386__
211#define	CPUID_TO_MODEL(id) \
212    ((((id) & CPUID_MODEL) >> 4) | \
213    ((((id) & CPUID_FAMILY) >= 0x600) ? \
214    (((id) & CPUID_EXT_MODEL) >> 12) : 0))
215#define	CPUID_TO_FAMILY(id) \
216    ((((id) & CPUID_FAMILY) >> 8) + \
217    ((((id) & CPUID_FAMILY) == 0xf00) ? \
218    (((id) & CPUID_EXT_FAMILY) >> 20) : 0))
219#else
220#define	CPUID_TO_MODEL(id) \
221    ((((id) & CPUID_MODEL) >> 4) | \
222    (((id) & CPUID_EXT_MODEL) >> 12))
223#define	CPUID_TO_FAMILY(id) \
224    ((((id) & CPUID_FAMILY) >> 8) + \
225    (((id) & CPUID_EXT_FAMILY) >> 20))
226#endif
227
228/*
229 * CPUID instruction 1 ebx info
230 */
231#define	CPUID_BRAND_INDEX	0x000000ff
232#define	CPUID_CLFUSH_SIZE	0x0000ff00
233#define	CPUID_HTT_CORES		0x00ff0000
234#define	CPUID_LOCAL_APIC_ID	0xff000000
235
236/*
237 * CPUID instruction 6 ecx info
238 */
239#define	CPUID_PERF_STAT		0x00000001
240#define	CPUID_PERF_BIAS		0x00000008
241
242/*
243 * CPUID instruction 0xb ebx info.
244 */
245#define	CPUID_TYPE_INVAL	0
246#define	CPUID_TYPE_SMT		1
247#define	CPUID_TYPE_CORE		2
248
249/*
250 * AMD extended function 8000_0007h edx info
251 */
252#define	AMDPM_TS		0x00000001
253#define	AMDPM_FID		0x00000002
254#define	AMDPM_VID		0x00000004
255#define	AMDPM_TTP		0x00000008
256#define	AMDPM_TM		0x00000010
257#define	AMDPM_STC		0x00000020
258#define	AMDPM_100MHZ_STEPS	0x00000040
259#define	AMDPM_HW_PSTATE		0x00000080
260#define	AMDPM_TSC_INVARIANT	0x00000100
261#define	AMDPM_CPB		0x00000200
262
263/*
264 * AMD extended function 8000_0008h ecx info
265 */
266#define	AMDID_CMP_CORES		0x000000ff
267#define	AMDID_COREID_SIZE	0x0000f000
268#define	AMDID_COREID_SIZE_SHIFT	12
269
270/*
271 * CPUID manufacturers identifiers
272 */
273#define	AMD_VENDOR_ID		"AuthenticAMD"
274#define	CENTAUR_VENDOR_ID	"CentaurHauls"
275#define	CYRIX_VENDOR_ID		"CyrixInstead"
276#define	INTEL_VENDOR_ID		"GenuineIntel"
277#define	NEXGEN_VENDOR_ID	"NexGenDriven"
278#define	NSC_VENDOR_ID		"Geode by NSC"
279#define	RISE_VENDOR_ID		"RiseRiseRise"
280#define	SIS_VENDOR_ID		"SiS SiS SiS "
281#define	TRANSMETA_VENDOR_ID	"GenuineTMx86"
282#define	UMC_VENDOR_ID		"UMC UMC UMC "
283
284/*
285 * Model-specific registers for the i386 family
286 */
287#define	MSR_P5_MC_ADDR		0x000
288#define	MSR_P5_MC_TYPE		0x001
289#define	MSR_TSC			0x010
290#define	MSR_P5_CESR		0x011
291#define	MSR_P5_CTR0		0x012
292#define	MSR_P5_CTR1		0x013
293#define	MSR_IA32_PLATFORM_ID	0x017
294#define	MSR_APICBASE		0x01b
295#define	MSR_EBL_CR_POWERON	0x02a
296#define	MSR_TEST_CTL		0x033
297#define	MSR_BIOS_UPDT_TRIG	0x079
298#define	MSR_BBL_CR_D0		0x088
299#define	MSR_BBL_CR_D1		0x089
300#define	MSR_BBL_CR_D2		0x08a
301#define	MSR_BIOS_SIGN		0x08b
302#define	MSR_PERFCTR0		0x0c1
303#define	MSR_PERFCTR1		0x0c2
304#define	MSR_MPERF		0x0e7
305#define	MSR_APERF		0x0e8
306#define	MSR_IA32_EXT_CONFIG	0x0ee	/* Undocumented. Core Solo/Duo only */
307#define	MSR_MTRRcap		0x0fe
308#define	MSR_BBL_CR_ADDR		0x116
309#define	MSR_BBL_CR_DECC		0x118
310#define	MSR_BBL_CR_CTL		0x119
311#define	MSR_BBL_CR_TRIG		0x11a
312#define	MSR_BBL_CR_BUSY		0x11b
313#define	MSR_BBL_CR_CTL3		0x11e
314#define	MSR_SYSENTER_CS_MSR	0x174
315#define	MSR_SYSENTER_ESP_MSR	0x175
316#define	MSR_SYSENTER_EIP_MSR	0x176
317#define	MSR_MCG_CAP		0x179
318#define	MSR_MCG_STATUS		0x17a
319#define	MSR_MCG_CTL		0x17b
320#define	MSR_EVNTSEL0		0x186
321#define	MSR_EVNTSEL1		0x187
322#define	MSR_THERM_CONTROL	0x19a
323#define	MSR_THERM_INTERRUPT	0x19b
324#define	MSR_THERM_STATUS	0x19c
325#define	MSR_IA32_MISC_ENABLE	0x1a0
326#define	MSR_IA32_TEMPERATURE_TARGET	0x1a2
327#define	MSR_DEBUGCTLMSR		0x1d9
328#define	MSR_LASTBRANCHFROMIP	0x1db
329#define	MSR_LASTBRANCHTOIP	0x1dc
330#define	MSR_LASTINTFROMIP	0x1dd
331#define	MSR_LASTINTTOIP		0x1de
332#define	MSR_ROB_CR_BKUPTMPDR6	0x1e0
333#define	MSR_MTRRVarBase		0x200
334#define	MSR_MTRR64kBase		0x250
335#define	MSR_MTRR16kBase		0x258
336#define	MSR_MTRR4kBase		0x268
337#define	MSR_PAT			0x277
338#define	MSR_MC0_CTL2		0x280
339#define	MSR_MTRRdefType		0x2ff
340#define	MSR_MC0_CTL		0x400
341#define	MSR_MC0_STATUS		0x401
342#define	MSR_MC0_ADDR		0x402
343#define	MSR_MC0_MISC		0x403
344#define	MSR_MC1_CTL		0x404
345#define	MSR_MC1_STATUS		0x405
346#define	MSR_MC1_ADDR		0x406
347#define	MSR_MC1_MISC		0x407
348#define	MSR_MC2_CTL		0x408
349#define	MSR_MC2_STATUS		0x409
350#define	MSR_MC2_ADDR		0x40a
351#define	MSR_MC2_MISC		0x40b
352#define	MSR_MC3_CTL		0x40c
353#define	MSR_MC3_STATUS		0x40d
354#define	MSR_MC3_ADDR		0x40e
355#define	MSR_MC3_MISC		0x40f
356#define	MSR_MC4_CTL		0x410
357#define	MSR_MC4_STATUS		0x411
358#define	MSR_MC4_ADDR		0x412
359#define	MSR_MC4_MISC		0x413
360
361/*
362 * X2APIC MSRs
363 */
364#define	MSR_APIC_ID		0x802
365#define	MSR_APIC_VERSION	0x803
366#define	MSR_APIC_TPR		0x808
367#define	MSR_APIC_EOI		0x80b
368#define	MSR_APIC_LDR		0x80d
369#define	MSR_APIC_SVR		0x80f
370#define	MSR_APIC_ISR0		0x810
371#define	MSR_APIC_ISR1		0x811
372#define	MSR_APIC_ISR2		0x812
373#define	MSR_APIC_ISR3		0x813
374#define	MSR_APIC_ISR4		0x814
375#define	MSR_APIC_ISR5		0x815
376#define	MSR_APIC_ISR6		0x816
377#define	MSR_APIC_ISR7		0x817
378#define	MSR_APIC_TMR0		0x818
379#define	MSR_APIC_IRR0		0x820
380#define	MSR_APIC_ESR		0x828
381#define	MSR_APIC_LVT_CMCI	0x82F
382#define	MSR_APIC_ICR		0x830
383#define	MSR_APIC_LVT_TIMER	0x832
384#define	MSR_APIC_LVT_THERMAL	0x833
385#define	MSR_APIC_LVT_PCINT	0x834
386#define	MSR_APIC_LVT_LINT0	0x835
387#define	MSR_APIC_LVT_LINT1	0x836
388#define	MSR_APIC_LVT_ERROR	0x837
389#define	MSR_APIC_ICR_TIMER	0x838
390#define	MSR_APIC_CCR_TIMER	0x839
391#define	MSR_APIC_DCR_TIMER	0x83e
392#define	MSR_APIC_SELF_IPI	0x83f
393
394/*
395 * Constants related to MSR's.
396 */
397#define	APICBASE_RESERVED	0x000002ff
398#define	APICBASE_BSP		0x00000100
399#define	APICBASE_X2APIC		0x00000400
400#define	APICBASE_ENABLED	0x00000800
401#define	APICBASE_ADDRESS	0xfffff000
402
403/*
404 * PAT modes.
405 */
406#define	PAT_UNCACHEABLE		0x00
407#define	PAT_WRITE_COMBINING	0x01
408#define	PAT_WRITE_THROUGH	0x04
409#define	PAT_WRITE_PROTECTED	0x05
410#define	PAT_WRITE_BACK		0x06
411#define	PAT_UNCACHED		0x07
412#define	PAT_VALUE(i, m)		((long long)(m) << (8 * (i)))
413#define	PAT_MASK(i)		PAT_VALUE(i, 0xff)
414
415/*
416 * Constants related to MTRRs
417 */
418#define	MTRR_UNCACHEABLE	0x00
419#define	MTRR_WRITE_COMBINING	0x01
420#define	MTRR_WRITE_THROUGH	0x04
421#define	MTRR_WRITE_PROTECTED	0x05
422#define	MTRR_WRITE_BACK		0x06
423#define	MTRR_N64K		8	/* numbers of fixed-size entries */
424#define	MTRR_N16K		16
425#define	MTRR_N4K		64
426#define	MTRR_CAP_WC		0x0000000000000400
427#define	MTRR_CAP_FIXED		0x0000000000000100
428#define	MTRR_CAP_VCNT		0x00000000000000ff
429#define	MTRR_DEF_ENABLE		0x0000000000000800
430#define	MTRR_DEF_FIXED_ENABLE	0x0000000000000400
431#define	MTRR_DEF_TYPE		0x00000000000000ff
432#define	MTRR_PHYSBASE_PHYSBASE	0x000ffffffffff000
433#define	MTRR_PHYSBASE_TYPE	0x00000000000000ff
434#define	MTRR_PHYSMASK_PHYSMASK	0x000ffffffffff000
435#define	MTRR_PHYSMASK_VALID	0x0000000000000800
436
437/*
438 * Cyrix configuration registers, accessible as IO ports.
439 */
440#define	CCR0			0xc0	/* Configuration control register 0 */
441#define	CCR0_NC0		0x01	/* First 64K of each 1M memory region is
442								   non-cacheable */
443#define	CCR0_NC1		0x02	/* 640K-1M region is non-cacheable */
444#define	CCR0_A20M		0x04	/* Enables A20M# input pin */
445#define	CCR0_KEN		0x08	/* Enables KEN# input pin */
446#define	CCR0_FLUSH		0x10	/* Enables FLUSH# input pin */
447#define	CCR0_BARB		0x20	/* Flushes internal cache when entering hold
448								   state */
449#define	CCR0_CO			0x40	/* Cache org: 1=direct mapped, 0=2x set
450								   assoc */
451#define	CCR0_SUSPEND	0x80	/* Enables SUSP# and SUSPA# pins */
452
453#define	CCR1			0xc1	/* Configuration control register 1 */
454#define	CCR1_RPL		0x01	/* Enables RPLSET and RPLVAL# pins */
455#define	CCR1_SMI		0x02	/* Enables SMM pins */
456#define	CCR1_SMAC		0x04	/* System management memory access */
457#define	CCR1_MMAC		0x08	/* Main memory access */
458#define	CCR1_NO_LOCK	0x10	/* Negate LOCK# */
459#define	CCR1_SM3		0x80	/* SMM address space address region 3 */
460
461#define	CCR2			0xc2
462#define	CCR2_WB			0x02	/* Enables WB cache interface pins */
463#define	CCR2_SADS		0x02	/* Slow ADS */
464#define	CCR2_LOCK_NW	0x04	/* LOCK NW Bit */
465#define	CCR2_SUSP_HLT	0x08	/* Suspend on HALT */
466#define	CCR2_WT1		0x10	/* WT region 1 */
467#define	CCR2_WPR1		0x10	/* Write-protect region 1 */
468#define	CCR2_BARB		0x20	/* Flushes write-back cache when entering
469								   hold state. */
470#define	CCR2_BWRT		0x40	/* Enables burst write cycles */
471#define	CCR2_USE_SUSP	0x80	/* Enables suspend pins */
472
473#define	CCR3			0xc3
474#define	CCR3_SMILOCK	0x01	/* SMM register lock */
475#define	CCR3_NMI		0x02	/* Enables NMI during SMM */
476#define	CCR3_LINBRST	0x04	/* Linear address burst cycles */
477#define	CCR3_SMMMODE	0x08	/* SMM Mode */
478#define	CCR3_MAPEN0		0x10	/* Enables Map0 */
479#define	CCR3_MAPEN1		0x20	/* Enables Map1 */
480#define	CCR3_MAPEN2		0x40	/* Enables Map2 */
481#define	CCR3_MAPEN3		0x80	/* Enables Map3 */
482
483#define	CCR4			0xe8
484#define	CCR4_IOMASK		0x07
485#define	CCR4_MEM		0x08	/* Enables momory bypassing */
486#define	CCR4_DTE		0x10	/* Enables directory table entry cache */
487#define	CCR4_FASTFPE	0x20	/* Fast FPU exception */
488#define	CCR4_CPUID		0x80	/* Enables CPUID instruction */
489
490#define	CCR5			0xe9
491#define	CCR5_WT_ALLOC	0x01	/* Write-through allocate */
492#define	CCR5_SLOP		0x02	/* LOOP instruction slowed down */
493#define	CCR5_LBR1		0x10	/* Local bus region 1 */
494#define	CCR5_ARREN		0x20	/* Enables ARR region */
495
496#define	CCR6			0xea
497
498#define	CCR7			0xeb
499
500/* Performance Control Register (5x86 only). */
501#define	PCR0			0x20
502#define	PCR0_RSTK		0x01	/* Enables return stack */
503#define	PCR0_BTB		0x02	/* Enables branch target buffer */
504#define	PCR0_LOOP		0x04	/* Enables loop */
505#define	PCR0_AIS		0x08	/* Enables all instrcutions stalled to
506								   serialize pipe. */
507#define	PCR0_MLR		0x10	/* Enables reordering of misaligned loads */
508#define	PCR0_BTBRT		0x40	/* Enables BTB test register. */
509#define	PCR0_LSSER		0x80	/* Disable reorder */
510
511/* Device Identification Registers */
512#define	DIR0			0xfe
513#define	DIR1			0xff
514
515/*
516 * Machine Check register constants.
517 */
518#define	MCG_CAP_COUNT		0x000000ff
519#define	MCG_CAP_CTL_P		0x00000100
520#define	MCG_CAP_EXT_P		0x00000200
521#define	MCG_CAP_CMCI_P		0x00000400
522#define	MCG_CAP_TES_P		0x00000800
523#define	MCG_CAP_EXT_CNT		0x00ff0000
524#define	MCG_CAP_SER_P		0x01000000
525#define	MCG_STATUS_RIPV		0x00000001
526#define	MCG_STATUS_EIPV		0x00000002
527#define	MCG_STATUS_MCIP		0x00000004
528#define	MCG_CTL_ENABLE		0xffffffffffffffff
529#define	MCG_CTL_DISABLE		0x0000000000000000
530#define	MSR_MC_CTL(x)		(MSR_MC0_CTL + (x) * 4)
531#define	MSR_MC_STATUS(x)	(MSR_MC0_STATUS + (x) * 4)
532#define	MSR_MC_ADDR(x)		(MSR_MC0_ADDR + (x) * 4)
533#define	MSR_MC_MISC(x)		(MSR_MC0_MISC + (x) * 4)
534#define	MSR_MC_CTL2(x)		(MSR_MC0_CTL2 + (x))	/* If MCG_CAP_CMCI_P */
535#define	MC_STATUS_MCA_ERROR	0x000000000000ffff
536#define	MC_STATUS_MODEL_ERROR	0x00000000ffff0000
537#define	MC_STATUS_OTHER_INFO	0x01ffffff00000000
538#define	MC_STATUS_COR_COUNT	0x001fffc000000000	/* If MCG_CAP_CMCI_P */
539#define	MC_STATUS_TES_STATUS	0x0060000000000000	/* If MCG_CAP_TES_P */
540#define	MC_STATUS_AR		0x0080000000000000	/* If MCG_CAP_TES_P */
541#define	MC_STATUS_S		0x0100000000000000	/* If MCG_CAP_TES_P */
542#define	MC_STATUS_PCC		0x0200000000000000
543#define	MC_STATUS_ADDRV		0x0400000000000000
544#define	MC_STATUS_MISCV		0x0800000000000000
545#define	MC_STATUS_EN		0x1000000000000000
546#define	MC_STATUS_UC		0x2000000000000000
547#define	MC_STATUS_OVER		0x4000000000000000
548#define	MC_STATUS_VAL		0x8000000000000000
549#define	MC_MISC_RA_LSB		0x000000000000003f	/* If MCG_CAP_SER_P */
550#define	MC_MISC_ADDRESS_MODE	0x00000000000001c0	/* If MCG_CAP_SER_P */
551#define	MC_CTL2_THRESHOLD	0x0000000000007fff
552#define	MC_CTL2_CMCI_EN		0x0000000040000000
553
554/*
555 * The following four 3-byte registers control the non-cacheable regions.
556 * These registers must be written as three separate bytes.
557 *
558 * NCRx+0: A31-A24 of starting address
559 * NCRx+1: A23-A16 of starting address
560 * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
561 *
562 * The non-cacheable region's starting address must be aligned to the
563 * size indicated by the NCR_SIZE_xx field.
564 */
565#define	NCR1	0xc4
566#define	NCR2	0xc7
567#define	NCR3	0xca
568#define	NCR4	0xcd
569
570#define	NCR_SIZE_0K	0
571#define	NCR_SIZE_4K	1
572#define	NCR_SIZE_8K	2
573#define	NCR_SIZE_16K	3
574#define	NCR_SIZE_32K	4
575#define	NCR_SIZE_64K	5
576#define	NCR_SIZE_128K	6
577#define	NCR_SIZE_256K	7
578#define	NCR_SIZE_512K	8
579#define	NCR_SIZE_1M	9
580#define	NCR_SIZE_2M	10
581#define	NCR_SIZE_4M	11
582#define	NCR_SIZE_8M	12
583#define	NCR_SIZE_16M	13
584#define	NCR_SIZE_32M	14
585#define	NCR_SIZE_4G	15
586
587/*
588 * The address region registers are used to specify the location and
589 * size for the eight address regions.
590 *
591 * ARRx + 0: A31-A24 of start address
592 * ARRx + 1: A23-A16 of start address
593 * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx
594 */
595#define	ARR0	0xc4
596#define	ARR1	0xc7
597#define	ARR2	0xca
598#define	ARR3	0xcd
599#define	ARR4	0xd0
600#define	ARR5	0xd3
601#define	ARR6	0xd6
602#define	ARR7	0xd9
603
604#define	ARR_SIZE_0K		0
605#define	ARR_SIZE_4K		1
606#define	ARR_SIZE_8K		2
607#define	ARR_SIZE_16K	3
608#define	ARR_SIZE_32K	4
609#define	ARR_SIZE_64K	5
610#define	ARR_SIZE_128K	6
611#define	ARR_SIZE_256K	7
612#define	ARR_SIZE_512K	8
613#define	ARR_SIZE_1M		9
614#define	ARR_SIZE_2M		10
615#define	ARR_SIZE_4M		11
616#define	ARR_SIZE_8M		12
617#define	ARR_SIZE_16M	13
618#define	ARR_SIZE_32M	14
619#define	ARR_SIZE_4G		15
620
621/*
622 * The region control registers specify the attributes associated with
623 * the ARRx addres regions.
624 */
625#define	RCR0	0xdc
626#define	RCR1	0xdd
627#define	RCR2	0xde
628#define	RCR3	0xdf
629#define	RCR4	0xe0
630#define	RCR5	0xe1
631#define	RCR6	0xe2
632#define	RCR7	0xe3
633
634#define	RCR_RCD	0x01	/* Disables caching for ARRx (x = 0-6). */
635#define	RCR_RCE	0x01	/* Enables caching for ARR7. */
636#define	RCR_WWO	0x02	/* Weak write ordering. */
637#define	RCR_WL	0x04	/* Weak locking. */
638#define	RCR_WG	0x08	/* Write gathering. */
639#define	RCR_WT	0x10	/* Write-through. */
640#define	RCR_NLB	0x20	/* LBA# pin is not asserted. */
641
642/* AMD Write Allocate Top-Of-Memory and Control Register */
643#define	AMD_WT_ALLOC_TME	0x40000	/* top-of-memory enable */
644#define	AMD_WT_ALLOC_PRE	0x20000	/* programmable range enable */
645#define	AMD_WT_ALLOC_FRE	0x10000	/* fixed (A0000-FFFFF) range enable */
646
647/* AMD64 MSR's */
648#define	MSR_EFER	0xc0000080	/* extended features */
649#define	MSR_STAR	0xc0000081	/* legacy mode SYSCALL target/cs/ss */
650#define	MSR_LSTAR	0xc0000082	/* long mode SYSCALL target rip */
651#define	MSR_CSTAR	0xc0000083	/* compat mode SYSCALL target rip */
652#define	MSR_SF_MASK	0xc0000084	/* syscall flags mask */
653#define	MSR_FSBASE	0xc0000100	/* base address of the %fs "segment" */
654#define	MSR_GSBASE	0xc0000101	/* base address of the %gs "segment" */
655#define	MSR_KGSBASE	0xc0000102	/* base address of the kernel %gs */
656#define	MSR_PERFEVSEL0	0xc0010000
657#define	MSR_PERFEVSEL1	0xc0010001
658#define	MSR_PERFEVSEL2	0xc0010002
659#define	MSR_PERFEVSEL3	0xc0010003
660#undef MSR_PERFCTR0
661#undef MSR_PERFCTR1
662#define	MSR_PERFCTR0	0xc0010004
663#define	MSR_PERFCTR1	0xc0010005
664#define	MSR_PERFCTR2	0xc0010006
665#define	MSR_PERFCTR3	0xc0010007
666#define	MSR_SYSCFG	0xc0010010
667#define	MSR_HWCR	0xc0010015
668#define	MSR_IORRBASE0	0xc0010016
669#define	MSR_IORRMASK0	0xc0010017
670#define	MSR_IORRBASE1	0xc0010018
671#define	MSR_IORRMASK1	0xc0010019
672#define	MSR_TOP_MEM	0xc001001a	/* boundary for ram below 4G */
673#define	MSR_TOP_MEM2	0xc001001d	/* boundary for ram above 4G */
674#define	MSR_K8_UCODE_UPDATE	0xc0010020	/* update microcode */
675#define	MSR_MC0_CTL_MASK	0xc0010044
676
677/* VIA ACE crypto featureset: for via_feature_rng */
678#define	VIA_HAS_RNG		1	/* cpu has RNG */
679
680/* VIA ACE crypto featureset: for via_feature_xcrypt */
681#define	VIA_HAS_AES		1	/* cpu has AES */
682#define	VIA_HAS_SHA		2	/* cpu has SHA1 & SHA256 */
683#define	VIA_HAS_MM		4	/* cpu has RSA instructions */
684#define	VIA_HAS_AESCTR		8	/* cpu has AES-CTR instructions */
685
686/* Centaur Extended Feature flags */
687#define	VIA_CPUID_HAS_RNG	0x000004
688#define	VIA_CPUID_DO_RNG	0x000008
689#define	VIA_CPUID_HAS_ACE	0x000040
690#define	VIA_CPUID_DO_ACE	0x000080
691#define	VIA_CPUID_HAS_ACE2	0x000100
692#define	VIA_CPUID_DO_ACE2	0x000200
693#define	VIA_CPUID_HAS_PHE	0x000400
694#define	VIA_CPUID_DO_PHE	0x000800
695#define	VIA_CPUID_HAS_PMM	0x001000
696#define	VIA_CPUID_DO_PMM	0x002000
697
698/* VIA ACE xcrypt-* instruction context control options */
699#define	VIA_CRYPT_CWLO_ROUND_M		0x0000000f
700#define	VIA_CRYPT_CWLO_ALG_M		0x00000070
701#define	VIA_CRYPT_CWLO_ALG_AES		0x00000000
702#define	VIA_CRYPT_CWLO_KEYGEN_M		0x00000080
703#define	VIA_CRYPT_CWLO_KEYGEN_HW	0x00000000
704#define	VIA_CRYPT_CWLO_KEYGEN_SW	0x00000080
705#define	VIA_CRYPT_CWLO_NORMAL		0x00000000
706#define	VIA_CRYPT_CWLO_INTERMEDIATE	0x00000100
707#define	VIA_CRYPT_CWLO_ENCRYPT		0x00000000
708#define	VIA_CRYPT_CWLO_DECRYPT		0x00000200
709#define	VIA_CRYPT_CWLO_KEY128		0x0000000a	/* 128bit, 10 rds */
710#define	VIA_CRYPT_CWLO_KEY192		0x0000040c	/* 192bit, 12 rds */
711#define	VIA_CRYPT_CWLO_KEY256		0x0000080e	/* 256bit, 15 rds */
712
713#endif /* !_MACHINE_SPECIALREG_H_ */
714