specialreg.h revision 215522
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/i386/include/specialreg.h 215522 2010-11-19 14:46:17Z avg $
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_PCLMULQDQ 0x00000002
114#define	CPUID2_DTES64	0x00000004
115#define	CPUID2_MON	0x00000008
116#define	CPUID2_DS_CPL	0x00000010
117#define	CPUID2_VMX	0x00000020
118#define	CPUID2_SMX	0x00000040
119#define	CPUID2_EST	0x00000080
120#define	CPUID2_TM2	0x00000100
121#define	CPUID2_SSSE3	0x00000200
122#define	CPUID2_CNXTID	0x00000400
123#define	CPUID2_CX16	0x00002000
124#define	CPUID2_XTPR	0x00004000
125#define	CPUID2_PDCM	0x00008000
126#define	CPUID2_PCID	0x00020000
127#define	CPUID2_DCA	0x00040000
128#define	CPUID2_SSE41	0x00080000
129#define	CPUID2_SSE42	0x00100000
130#define	CPUID2_X2APIC	0x00200000
131#define	CPUID2_MOVBE	0x00400000
132#define	CPUID2_POPCNT	0x00800000
133#define	CPUID2_AESNI	0x02000000
134
135/*
136 * Important bits in the AMD extended cpuid flags
137 */
138#define	AMDID_SYSCALL	0x00000800
139#define	AMDID_MP	0x00080000
140#define	AMDID_NX	0x00100000
141#define	AMDID_EXT_MMX	0x00400000
142#define	AMDID_FFXSR	0x01000000
143#define	AMDID_PAGE1GB	0x04000000
144#define	AMDID_RDTSCP	0x08000000
145#define	AMDID_LM	0x20000000
146#define	AMDID_EXT_3DNOW	0x40000000
147#define	AMDID_3DNOW	0x80000000
148
149#define	AMDID2_LAHF	0x00000001
150#define	AMDID2_CMP	0x00000002
151#define	AMDID2_SVM	0x00000004
152#define	AMDID2_EXT_APIC	0x00000008
153#define	AMDID2_CR8	0x00000010
154#define	AMDID2_ABM	0x00000020
155#define	AMDID2_SSE4A	0x00000040
156#define	AMDID2_MAS	0x00000080
157#define	AMDID2_PREFETCH	0x00000100
158#define	AMDID2_OSVW	0x00000200
159#define	AMDID2_IBS	0x00000400
160#define	AMDID2_SSE5	0x00000800
161#define	AMDID2_SKINIT	0x00001000
162#define	AMDID2_WDT	0x00002000
163
164/*
165 * CPUID instruction 1 eax info
166 */
167#define	CPUID_STEPPING		0x0000000f
168#define	CPUID_MODEL		0x000000f0
169#define	CPUID_FAMILY		0x00000f00
170#define	CPUID_EXT_MODEL		0x000f0000
171#define	CPUID_EXT_FAMILY	0x0ff00000
172#define	CPUID_TO_MODEL(id) \
173    ((((id) & CPUID_MODEL) >> 4) | \
174    ((((id) & CPUID_FAMILY) >= 0x600) ? \
175    (((id) & CPUID_EXT_MODEL) >> 12) : 0))
176#define	CPUID_TO_FAMILY(id) \
177    ((((id) & CPUID_FAMILY) >> 8) + \
178    ((((id) & CPUID_FAMILY) == 0xf00) ? \
179    (((id) & CPUID_EXT_FAMILY) >> 20) : 0))
180
181/*
182 * CPUID instruction 1 ebx info
183 */
184#define	CPUID_BRAND_INDEX	0x000000ff
185#define	CPUID_CLFUSH_SIZE	0x0000ff00
186#define	CPUID_HTT_CORES		0x00ff0000
187#define	CPUID_LOCAL_APIC_ID	0xff000000
188
189/*
190 * CPUID instruction 0xb ebx info.
191 */
192#define	CPUID_TYPE_INVAL	0
193#define	CPUID_TYPE_SMT		1
194#define	CPUID_TYPE_CORE		2
195
196/*
197 * AMD extended function 8000_0007h edx info
198 */
199#define	AMDPM_TS		0x00000001
200#define	AMDPM_FID		0x00000002
201#define	AMDPM_VID		0x00000004
202#define	AMDPM_TTP		0x00000008
203#define	AMDPM_TM		0x00000010
204#define	AMDPM_STC		0x00000020
205#define	AMDPM_100MHZ_STEPS	0x00000040
206#define	AMDPM_HW_PSTATE		0x00000080
207#define	AMDPM_TSC_INVARIANT	0x00000100
208#define	AMDPM_CPB		0x00000200
209
210/*
211 * AMD extended function 8000_0008h ecx info
212 */
213#define	AMDID_CMP_CORES		0x000000ff
214
215/*
216 * CPUID manufacturers identifiers
217 */
218#define	AMD_VENDOR_ID		"AuthenticAMD"
219#define	CENTAUR_VENDOR_ID	"CentaurHauls"
220#define	CYRIX_VENDOR_ID		"CyrixInstead"
221#define	INTEL_VENDOR_ID		"GenuineIntel"
222#define	NEXGEN_VENDOR_ID	"NexGenDriven"
223#define	NSC_VENDOR_ID		"Geode by NSC"
224#define	RISE_VENDOR_ID		"RiseRiseRise"
225#define	SIS_VENDOR_ID		"SiS SiS SiS "
226#define	TRANSMETA_VENDOR_ID	"GenuineTMx86"
227#define	UMC_VENDOR_ID		"UMC UMC UMC "
228
229/*
230 * Model-specific registers for the i386 family
231 */
232#define	MSR_P5_MC_ADDR		0x000
233#define	MSR_P5_MC_TYPE		0x001
234#define	MSR_TSC			0x010
235#define	MSR_P5_CESR		0x011
236#define	MSR_P5_CTR0		0x012
237#define	MSR_P5_CTR1		0x013
238#define	MSR_IA32_PLATFORM_ID	0x017
239#define	MSR_APICBASE		0x01b
240#define	MSR_EBL_CR_POWERON	0x02a
241#define	MSR_TEST_CTL		0x033
242#define	MSR_BIOS_UPDT_TRIG	0x079
243#define	MSR_BBL_CR_D0		0x088
244#define	MSR_BBL_CR_D1		0x089
245#define	MSR_BBL_CR_D2		0x08a
246#define	MSR_BIOS_SIGN		0x08b
247#define	MSR_PERFCTR0		0x0c1
248#define	MSR_PERFCTR1		0x0c2
249#define	MSR_IA32_EXT_CONFIG	0x0ee	/* Undocumented. Core Solo/Duo only */
250#define	MSR_MTRRcap		0x0fe
251#define	MSR_BBL_CR_ADDR		0x116
252#define	MSR_BBL_CR_DECC		0x118
253#define	MSR_BBL_CR_CTL		0x119
254#define	MSR_BBL_CR_TRIG		0x11a
255#define	MSR_BBL_CR_BUSY		0x11b
256#define	MSR_BBL_CR_CTL3		0x11e
257#define	MSR_SYSENTER_CS_MSR	0x174
258#define	MSR_SYSENTER_ESP_MSR	0x175
259#define	MSR_SYSENTER_EIP_MSR	0x176
260#define	MSR_MCG_CAP		0x179
261#define	MSR_MCG_STATUS		0x17a
262#define	MSR_MCG_CTL		0x17b
263#define	MSR_EVNTSEL0		0x186
264#define	MSR_EVNTSEL1		0x187
265#define	MSR_THERM_CONTROL	0x19a
266#define	MSR_THERM_INTERRUPT	0x19b
267#define	MSR_THERM_STATUS	0x19c
268#define	MSR_IA32_MISC_ENABLE	0x1a0
269#define	MSR_IA32_TEMPERATURE_TARGET	0x1a2
270#define	MSR_DEBUGCTLMSR		0x1d9
271#define	MSR_LASTBRANCHFROMIP	0x1db
272#define	MSR_LASTBRANCHTOIP	0x1dc
273#define	MSR_LASTINTFROMIP	0x1dd
274#define	MSR_LASTINTTOIP		0x1de
275#define	MSR_ROB_CR_BKUPTMPDR6	0x1e0
276#define	MSR_MTRRVarBase		0x200
277#define	MSR_MTRR64kBase		0x250
278#define	MSR_MTRR16kBase		0x258
279#define	MSR_MTRR4kBase		0x268
280#define	MSR_PAT			0x277
281#define	MSR_MC0_CTL2		0x280
282#define	MSR_MTRRdefType		0x2ff
283#define	MSR_MC0_CTL		0x400
284#define	MSR_MC0_STATUS		0x401
285#define	MSR_MC0_ADDR		0x402
286#define	MSR_MC0_MISC		0x403
287#define	MSR_MC1_CTL		0x404
288#define	MSR_MC1_STATUS		0x405
289#define	MSR_MC1_ADDR		0x406
290#define	MSR_MC1_MISC		0x407
291#define	MSR_MC2_CTL		0x408
292#define	MSR_MC2_STATUS		0x409
293#define	MSR_MC2_ADDR		0x40a
294#define	MSR_MC2_MISC		0x40b
295#define	MSR_MC3_CTL		0x40c
296#define	MSR_MC3_STATUS		0x40d
297#define	MSR_MC3_ADDR		0x40e
298#define	MSR_MC3_MISC		0x40f
299#define	MSR_MC4_CTL		0x410
300#define	MSR_MC4_STATUS		0x411
301#define	MSR_MC4_ADDR		0x412
302#define	MSR_MC4_MISC		0x413
303
304/*
305 * Constants related to MSR's.
306 */
307#define	APICBASE_RESERVED	0x000006ff
308#define	APICBASE_BSP		0x00000100
309#define	APICBASE_ENABLED	0x00000800
310#define	APICBASE_ADDRESS	0xfffff000
311
312/*
313 * PAT modes.
314 */
315#define	PAT_UNCACHEABLE		0x00
316#define	PAT_WRITE_COMBINING	0x01
317#define	PAT_WRITE_THROUGH	0x04
318#define	PAT_WRITE_PROTECTED	0x05
319#define	PAT_WRITE_BACK		0x06
320#define	PAT_UNCACHED		0x07
321#define	PAT_VALUE(i, m)		((long long)(m) << (8 * (i)))
322#define	PAT_MASK(i)		PAT_VALUE(i, 0xff)
323
324/*
325 * Constants related to MTRRs
326 */
327#define	MTRR_UNCACHEABLE	0x00
328#define	MTRR_WRITE_COMBINING	0x01
329#define	MTRR_WRITE_THROUGH	0x04
330#define	MTRR_WRITE_PROTECTED	0x05
331#define	MTRR_WRITE_BACK		0x06
332#define	MTRR_N64K		8	/* numbers of fixed-size entries */
333#define	MTRR_N16K		16
334#define	MTRR_N4K		64
335#define	MTRR_CAP_WC		0x0000000000000400
336#define	MTRR_CAP_FIXED		0x0000000000000100
337#define	MTRR_CAP_VCNT		0x00000000000000ff
338#define	MTRR_DEF_ENABLE		0x0000000000000800
339#define	MTRR_DEF_FIXED_ENABLE	0x0000000000000400
340#define	MTRR_DEF_TYPE		0x00000000000000ff
341#define	MTRR_PHYSBASE_PHYSBASE	0x000ffffffffff000
342#define	MTRR_PHYSBASE_TYPE	0x00000000000000ff
343#define	MTRR_PHYSMASK_PHYSMASK	0x000ffffffffff000
344#define	MTRR_PHYSMASK_VALID	0x0000000000000800
345
346/*
347 * Cyrix configuration registers, accessible as IO ports.
348 */
349#define	CCR0			0xc0	/* Configuration control register 0 */
350#define	CCR0_NC0		0x01	/* First 64K of each 1M memory region is
351								   non-cacheable */
352#define	CCR0_NC1		0x02	/* 640K-1M region is non-cacheable */
353#define	CCR0_A20M		0x04	/* Enables A20M# input pin */
354#define	CCR0_KEN		0x08	/* Enables KEN# input pin */
355#define	CCR0_FLUSH		0x10	/* Enables FLUSH# input pin */
356#define	CCR0_BARB		0x20	/* Flushes internal cache when entering hold
357								   state */
358#define	CCR0_CO			0x40	/* Cache org: 1=direct mapped, 0=2x set
359								   assoc */
360#define	CCR0_SUSPEND	0x80	/* Enables SUSP# and SUSPA# pins */
361
362#define	CCR1			0xc1	/* Configuration control register 1 */
363#define	CCR1_RPL		0x01	/* Enables RPLSET and RPLVAL# pins */
364#define	CCR1_SMI		0x02	/* Enables SMM pins */
365#define	CCR1_SMAC		0x04	/* System management memory access */
366#define	CCR1_MMAC		0x08	/* Main memory access */
367#define	CCR1_NO_LOCK	0x10	/* Negate LOCK# */
368#define	CCR1_SM3		0x80	/* SMM address space address region 3 */
369
370#define	CCR2			0xc2
371#define	CCR2_WB			0x02	/* Enables WB cache interface pins */
372#define	CCR2_SADS		0x02	/* Slow ADS */
373#define	CCR2_LOCK_NW	0x04	/* LOCK NW Bit */
374#define	CCR2_SUSP_HLT	0x08	/* Suspend on HALT */
375#define	CCR2_WT1		0x10	/* WT region 1 */
376#define	CCR2_WPR1		0x10	/* Write-protect region 1 */
377#define	CCR2_BARB		0x20	/* Flushes write-back cache when entering
378								   hold state. */
379#define	CCR2_BWRT		0x40	/* Enables burst write cycles */
380#define	CCR2_USE_SUSP	0x80	/* Enables suspend pins */
381
382#define	CCR3			0xc3
383#define	CCR3_SMILOCK	0x01	/* SMM register lock */
384#define	CCR3_NMI		0x02	/* Enables NMI during SMM */
385#define	CCR3_LINBRST	0x04	/* Linear address burst cycles */
386#define	CCR3_SMMMODE	0x08	/* SMM Mode */
387#define	CCR3_MAPEN0		0x10	/* Enables Map0 */
388#define	CCR3_MAPEN1		0x20	/* Enables Map1 */
389#define	CCR3_MAPEN2		0x40	/* Enables Map2 */
390#define	CCR3_MAPEN3		0x80	/* Enables Map3 */
391
392#define	CCR4			0xe8
393#define	CCR4_IOMASK		0x07
394#define	CCR4_MEM		0x08	/* Enables momory bypassing */
395#define	CCR4_DTE		0x10	/* Enables directory table entry cache */
396#define	CCR4_FASTFPE	0x20	/* Fast FPU exception */
397#define	CCR4_CPUID		0x80	/* Enables CPUID instruction */
398
399#define	CCR5			0xe9
400#define	CCR5_WT_ALLOC	0x01	/* Write-through allocate */
401#define	CCR5_SLOP		0x02	/* LOOP instruction slowed down */
402#define	CCR5_LBR1		0x10	/* Local bus region 1 */
403#define	CCR5_ARREN		0x20	/* Enables ARR region */
404
405#define	CCR6			0xea
406
407#define	CCR7			0xeb
408
409/* Performance Control Register (5x86 only). */
410#define	PCR0			0x20
411#define	PCR0_RSTK		0x01	/* Enables return stack */
412#define	PCR0_BTB		0x02	/* Enables branch target buffer */
413#define	PCR0_LOOP		0x04	/* Enables loop */
414#define	PCR0_AIS		0x08	/* Enables all instrcutions stalled to
415								   serialize pipe. */
416#define	PCR0_MLR		0x10	/* Enables reordering of misaligned loads */
417#define	PCR0_BTBRT		0x40	/* Enables BTB test register. */
418#define	PCR0_LSSER		0x80	/* Disable reorder */
419
420/* Device Identification Registers */
421#define	DIR0			0xfe
422#define	DIR1			0xff
423
424/*
425 * Machine Check register constants.
426 */
427#define	MCG_CAP_COUNT		0x000000ff
428#define	MCG_CAP_CTL_P		0x00000100
429#define	MCG_CAP_EXT_P		0x00000200
430#define	MCG_CAP_CMCI_P		0x00000400
431#define	MCG_CAP_TES_P		0x00000800
432#define	MCG_CAP_EXT_CNT		0x00ff0000
433#define	MCG_CAP_SER_P		0x01000000
434#define	MCG_STATUS_RIPV		0x00000001
435#define	MCG_STATUS_EIPV		0x00000002
436#define	MCG_STATUS_MCIP		0x00000004
437#define	MCG_CTL_ENABLE		0xffffffffffffffff
438#define	MCG_CTL_DISABLE		0x0000000000000000
439#define	MSR_MC_CTL(x)		(MSR_MC0_CTL + (x) * 4)
440#define	MSR_MC_STATUS(x)	(MSR_MC0_STATUS + (x) * 4)
441#define	MSR_MC_ADDR(x)		(MSR_MC0_ADDR + (x) * 4)
442#define	MSR_MC_MISC(x)		(MSR_MC0_MISC + (x) * 4)
443#define	MSR_MC_CTL2(x)		(MSR_MC0_CTL2 + (x))	/* If MCG_CAP_CMCI_P */
444#define	MC_STATUS_MCA_ERROR	0x000000000000ffff
445#define	MC_STATUS_MODEL_ERROR	0x00000000ffff0000
446#define	MC_STATUS_OTHER_INFO	0x01ffffff00000000
447#define	MC_STATUS_COR_COUNT	0x001fffc000000000	/* If MCG_CAP_CMCI_P */
448#define	MC_STATUS_TES_STATUS	0x0060000000000000	/* If MCG_CAP_TES_P */
449#define	MC_STATUS_AR		0x0080000000000000	/* If MCG_CAP_TES_P */
450#define	MC_STATUS_S		0x0100000000000000	/* If MCG_CAP_TES_P */
451#define	MC_STATUS_PCC		0x0200000000000000
452#define	MC_STATUS_ADDRV		0x0400000000000000
453#define	MC_STATUS_MISCV		0x0800000000000000
454#define	MC_STATUS_EN		0x1000000000000000
455#define	MC_STATUS_UC		0x2000000000000000
456#define	MC_STATUS_OVER		0x4000000000000000
457#define	MC_STATUS_VAL		0x8000000000000000
458#define	MC_MISC_RA_LSB		0x000000000000003f	/* If MCG_CAP_SER_P */
459#define	MC_MISC_ADDRESS_MODE	0x00000000000001c0	/* If MCG_CAP_SER_P */
460#define	MC_CTL2_THRESHOLD	0x0000000000007fff
461#define	MC_CTL2_CMCI_EN		0x0000000040000000
462
463/*
464 * The following four 3-byte registers control the non-cacheable regions.
465 * These registers must be written as three separate bytes.
466 *
467 * NCRx+0: A31-A24 of starting address
468 * NCRx+1: A23-A16 of starting address
469 * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
470 *
471 * The non-cacheable region's starting address must be aligned to the
472 * size indicated by the NCR_SIZE_xx field.
473 */
474#define	NCR1	0xc4
475#define	NCR2	0xc7
476#define	NCR3	0xca
477#define	NCR4	0xcd
478
479#define	NCR_SIZE_0K	0
480#define	NCR_SIZE_4K	1
481#define	NCR_SIZE_8K	2
482#define	NCR_SIZE_16K	3
483#define	NCR_SIZE_32K	4
484#define	NCR_SIZE_64K	5
485#define	NCR_SIZE_128K	6
486#define	NCR_SIZE_256K	7
487#define	NCR_SIZE_512K	8
488#define	NCR_SIZE_1M	9
489#define	NCR_SIZE_2M	10
490#define	NCR_SIZE_4M	11
491#define	NCR_SIZE_8M	12
492#define	NCR_SIZE_16M	13
493#define	NCR_SIZE_32M	14
494#define	NCR_SIZE_4G	15
495
496/*
497 * The address region registers are used to specify the location and
498 * size for the eight address regions.
499 *
500 * ARRx + 0: A31-A24 of start address
501 * ARRx + 1: A23-A16 of start address
502 * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx
503 */
504#define	ARR0	0xc4
505#define	ARR1	0xc7
506#define	ARR2	0xca
507#define	ARR3	0xcd
508#define	ARR4	0xd0
509#define	ARR5	0xd3
510#define	ARR6	0xd6
511#define	ARR7	0xd9
512
513#define	ARR_SIZE_0K		0
514#define	ARR_SIZE_4K		1
515#define	ARR_SIZE_8K		2
516#define	ARR_SIZE_16K	3
517#define	ARR_SIZE_32K	4
518#define	ARR_SIZE_64K	5
519#define	ARR_SIZE_128K	6
520#define	ARR_SIZE_256K	7
521#define	ARR_SIZE_512K	8
522#define	ARR_SIZE_1M		9
523#define	ARR_SIZE_2M		10
524#define	ARR_SIZE_4M		11
525#define	ARR_SIZE_8M		12
526#define	ARR_SIZE_16M	13
527#define	ARR_SIZE_32M	14
528#define	ARR_SIZE_4G		15
529
530/*
531 * The region control registers specify the attributes associated with
532 * the ARRx addres regions.
533 */
534#define	RCR0	0xdc
535#define	RCR1	0xdd
536#define	RCR2	0xde
537#define	RCR3	0xdf
538#define	RCR4	0xe0
539#define	RCR5	0xe1
540#define	RCR6	0xe2
541#define	RCR7	0xe3
542
543#define	RCR_RCD	0x01	/* Disables caching for ARRx (x = 0-6). */
544#define	RCR_RCE	0x01	/* Enables caching for ARR7. */
545#define	RCR_WWO	0x02	/* Weak write ordering. */
546#define	RCR_WL	0x04	/* Weak locking. */
547#define	RCR_WG	0x08	/* Write gathering. */
548#define	RCR_WT	0x10	/* Write-through. */
549#define	RCR_NLB	0x20	/* LBA# pin is not asserted. */
550
551/* AMD Write Allocate Top-Of-Memory and Control Register */
552#define	AMD_WT_ALLOC_TME	0x40000	/* top-of-memory enable */
553#define	AMD_WT_ALLOC_PRE	0x20000	/* programmable range enable */
554#define	AMD_WT_ALLOC_FRE	0x10000	/* fixed (A0000-FFFFF) range enable */
555
556/* AMD64 MSR's */
557#define	MSR_EFER	0xc0000080	/* extended features */
558#define	MSR_K8_UCODE_UPDATE	0xc0010020	/* update microcode */
559#define	MSR_MC0_CTL_MASK	0xc0010044
560
561/* VIA ACE crypto featureset: for via_feature_rng */
562#define	VIA_HAS_RNG		1	/* cpu has RNG */
563
564/* VIA ACE crypto featureset: for via_feature_xcrypt */
565#define	VIA_HAS_AES		1	/* cpu has AES */
566#define	VIA_HAS_SHA		2	/* cpu has SHA1 & SHA256 */
567#define	VIA_HAS_MM		4	/* cpu has RSA instructions */
568#define	VIA_HAS_AESCTR		8	/* cpu has AES-CTR instructions */
569
570/* Centaur Extended Feature flags */
571#define	VIA_CPUID_HAS_RNG	0x000004
572#define	VIA_CPUID_DO_RNG	0x000008
573#define	VIA_CPUID_HAS_ACE	0x000040
574#define	VIA_CPUID_DO_ACE	0x000080
575#define	VIA_CPUID_HAS_ACE2	0x000100
576#define	VIA_CPUID_DO_ACE2	0x000200
577#define	VIA_CPUID_HAS_PHE	0x000400
578#define	VIA_CPUID_DO_PHE	0x000800
579#define	VIA_CPUID_HAS_PMM	0x001000
580#define	VIA_CPUID_DO_PMM	0x002000
581
582/* VIA ACE xcrypt-* instruction context control options */
583#define	VIA_CRYPT_CWLO_ROUND_M		0x0000000f
584#define	VIA_CRYPT_CWLO_ALG_M		0x00000070
585#define	VIA_CRYPT_CWLO_ALG_AES		0x00000000
586#define	VIA_CRYPT_CWLO_KEYGEN_M		0x00000080
587#define	VIA_CRYPT_CWLO_KEYGEN_HW	0x00000000
588#define	VIA_CRYPT_CWLO_KEYGEN_SW	0x00000080
589#define	VIA_CRYPT_CWLO_NORMAL		0x00000000
590#define	VIA_CRYPT_CWLO_INTERMEDIATE	0x00000100
591#define	VIA_CRYPT_CWLO_ENCRYPT		0x00000000
592#define	VIA_CRYPT_CWLO_DECRYPT		0x00000200
593#define	VIA_CRYPT_CWLO_KEY128		0x0000000a	/* 128bit, 10 rds */
594#define	VIA_CRYPT_CWLO_KEY192		0x0000040c	/* 192bit, 12 rds */
595#define	VIA_CRYPT_CWLO_KEY256		0x0000080e	/* 256bit, 15 rds */
596
597#endif /* !_MACHINE_SPECIALREG_H_ */
598