specialreg.h revision 1.47 1 /* $NetBSD: specialreg.h,v 1.47 2010/08/25 05:07:43 jruoho Exp $ */
2
3 /*-
4 * Copyright (c) 1991 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)specialreg.h 7.1 (Berkeley) 5/9/91
32 */
33
34 /*
35 * Bits in 386 special registers:
36 */
37 #define CR0_PE 0x00000001 /* Protected mode Enable */
38 #define CR0_MP 0x00000002 /* "Math" Present (NPX or NPX emulator) */
39 #define CR0_EM 0x00000004 /* EMulate non-NPX coproc. (trap ESC only) */
40 #define CR0_TS 0x00000008 /* Task Switched (if MP, trap ESC and WAIT) */
41 #define CR0_ET 0x00000010 /* Extension Type (387 (if set) vs 287) */
42 #define CR0_PG 0x80000000 /* PaGing enable */
43
44 /*
45 * Bits in 486 special registers:
46 */
47 #define CR0_NE 0x00000020 /* Numeric Error enable (EX16 vs IRQ13) */
48 #define CR0_WP 0x00010000 /* Write Protect (honor PG_RW in all modes) */
49 #define CR0_AM 0x00040000 /* Alignment Mask (set to enable AC flag) */
50 #define CR0_NW 0x20000000 /* Not Write-through */
51 #define CR0_CD 0x40000000 /* Cache Disable */
52
53 /*
54 * Cyrix 486 DLC special registers, accessible as IO ports.
55 */
56 #define CCR0 0xc0 /* configuration control register 0 */
57 #define CCR0_NC0 0x01 /* first 64K of each 1M memory region is non-cacheable */
58 #define CCR0_NC1 0x02 /* 640K-1M region is non-cacheable */
59 #define CCR0_A20M 0x04 /* enables A20M# input pin */
60 #define CCR0_KEN 0x08 /* enables KEN# input pin */
61 #define CCR0_FLUSH 0x10 /* enables FLUSH# input pin */
62 #define CCR0_BARB 0x20 /* flushes internal cache when entering hold state */
63 #define CCR0_CO 0x40 /* cache org: 1=direct mapped, 0=2x set assoc */
64 #define CCR0_SUSPEND 0x80 /* enables SUSP# and SUSPA# pins */
65
66 #define CCR1 0xc1 /* configuration control register 1 */
67 #define CCR1_RPL 0x01 /* enables RPLSET and RPLVAL# pins */
68 /* the remaining 7 bits of this register are reserved */
69
70 /*
71 * bits in the pentiums %cr4 register:
72 */
73
74 #define CR4_VME 0x00000001 /* virtual 8086 mode extension enable */
75 #define CR4_PVI 0x00000002 /* protected mode virtual interrupt enable */
76 #define CR4_TSD 0x00000004 /* restrict RDTSC instruction to cpl 0 only */
77 #define CR4_DE 0x00000008 /* debugging extension */
78 #define CR4_PSE 0x00000010 /* large (4MB) page size enable */
79 #define CR4_PAE 0x00000020 /* physical address extension enable */
80 #define CR4_MCE 0x00000040 /* machine check enable */
81 #define CR4_PGE 0x00000080 /* page global enable */
82 #define CR4_PCE 0x00000100 /* enable RDPMC instruction for all cpls */
83 #define CR4_OSFXSR 0x00000200 /* enable fxsave/fxrestor and SSE */
84 #define CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */
85
86 /*
87 * CPUID "features" bits
88 */
89
90 /* Fn00000001 %edx features */
91 #define CPUID_FPU 0x00000001 /* processor has an FPU? */
92 #define CPUID_VME 0x00000002 /* has virtual mode (%cr4's VME/PVI) */
93 #define CPUID_DE 0x00000004 /* has debugging extension */
94 #define CPUID_PSE 0x00000008 /* has page 4MB page size extension */
95 #define CPUID_TSC 0x00000010 /* has time stamp counter */
96 #define CPUID_MSR 0x00000020 /* has mode specific registers */
97 #define CPUID_PAE 0x00000040 /* has phys address extension */
98 #define CPUID_MCE 0x00000080 /* has machine check exception */
99 #define CPUID_CX8 0x00000100 /* has CMPXCHG8B instruction */
100 #define CPUID_APIC 0x00000200 /* has enabled APIC */
101 #define CPUID_B10 0x00000400 /* reserved, MTRR */
102 #define CPUID_SEP 0x00000800 /* has SYSENTER/SYSEXIT extension */
103 #define CPUID_MTRR 0x00001000 /* has memory type range register */
104 #define CPUID_PGE 0x00002000 /* has page global extension */
105 #define CPUID_MCA 0x00004000 /* has machine check architecture */
106 #define CPUID_CMOV 0x00008000 /* has CMOVcc instruction */
107 #define CPUID_PAT 0x00010000 /* Page Attribute Table */
108 #define CPUID_PSE36 0x00020000 /* 36-bit PSE */
109 #define CPUID_PN 0x00040000 /* processor serial number */
110 #define CPUID_CFLUSH 0x00080000 /* CFLUSH insn supported */
111 #define CPUID_B20 0x00100000 /* reserved */
112 #define CPUID_DS 0x00200000 /* Debug Store */
113 #define CPUID_ACPI 0x00400000 /* ACPI performance modulation regs */
114 #define CPUID_MMX 0x00800000 /* MMX supported */
115 #define CPUID_FXSR 0x01000000 /* fast FP/MMX save/restore */
116 #define CPUID_SSE 0x02000000 /* streaming SIMD extensions */
117 #define CPUID_SSE2 0x04000000 /* streaming SIMD extensions #2 */
118 #define CPUID_SS 0x08000000 /* self-snoop */
119 #define CPUID_HTT 0x10000000 /* Hyper-Threading Technology */
120 #define CPUID_TM 0x20000000 /* thermal monitor (TCC) */
121 #define CPUID_IA64 0x40000000 /* IA-64 architecture */
122 #define CPUID_SBF 0x80000000 /* signal break on FERR */
123
124 #define CPUID_FLAGS1 "\20\1FPU\2VME\3DE\4PSE\5TSC\6MSR\7PAE\10MCE\11CX8" \
125 "\12APIC\13B10\14SEP\15MTRR\16PGE\17MCA\20CMOV" \
126 "\21PAT\22PSE36\23PN\24CFLUSH\25B20\26DS\27ACPI" \
127 "\30MMX\31FXSR\32SSE\33SSE2\34SS\35HTT\36TM" \
128 "\37IA64\40SBF"
129
130 /*
131 * Intel Digital Thermal Sensor and
132 * Power Management, Fn0000_0006 - %eax.
133 */
134 #define CPUID_DSPM_DTS 0x00000001 /* Digital Thermal Sensor */
135 #define CPUID_DSPM_IDA 0x00000002 /* Intel Dynamic Acceleration */
136 #define CPUID_DSPM_ARAT 0x00000004 /* Always Running APIC Timer */
137 #define CPUID_DSPM_PLN 0x00000010 /* Power Limit Notification */
138 #define CPUID_DSPM_CME 0x00000020 /* Clock Modulation Extension */
139 #define CPUID_DSPM_PLTM 0x00000040 /* Package Level Thermal Management */
140
141 #define CPUID_DSPM_FLAGS "\20\1DTS\2IDA\3ARAT\5PLN\6CME\7PLTM"
142
143 /*
144 * Intel Digital Thermal Sensor and
145 * Power Management, Fn0000_0006 - %ecx.
146 */
147 #define CPUID_DSPM_HWF 0x00000001 /* MSR_APERF/MSR_MPERF available */
148
149 #define CPUID_DSPM_FLAGS1 "\20\1HWF"
150
151 /* Intel Fn80000001 extended features - %edx */
152 #define CPUID_SYSCALL 0x00000800 /* SYSCALL/SYSRET */
153 #define CPUID_XD 0x00100000 /* Execute Disable (like CPUID_NOX) */
154 #define CPUID_EM64T 0x20000000 /* Intel EM64T */
155
156 #define CPUID_INTEL_EXT_FLAGS "\20\14SYSCALL/SYSRET\25XD\36EM64T"
157
158 /* Intel Fn80000001 extended features - %ecx */
159 #define CPUID_LAHF 0x00000001 /* LAHF/SAHF in IA-32e mode, 64bit sub*/
160
161 #define CPUID_INTEL_FLAGS4 "\20\1LAHF"
162
163
164 /* AMD/VIA Fn80000001 extended features - %edx */
165 /* CPUID_SYSCALL SYSCALL/SYSRET */
166 #define CPUID_MPC 0x00080000 /* Multiprocessing Capable */
167 #define CPUID_NOX 0x00100000 /* No Execute Page Protection */
168 #define CPUID_MMXX 0x00400000 /* AMD MMX Extensions */
169 #define CPUID_FFXSR 0x02000000 /* FXSAVE/FXSTOR Extensions */
170 #define CPUID_P1GB 0x04000000 /* 1GB Large Page Support */
171 #define CPUID_RDTSCP 0x08000000 /* Read TSC Pair Instruction */
172 /* CPUID_EM64T Long mode */
173 #define CPUID_3DNOW2 0x40000000 /* 3DNow! Instruction Extension */
174 #define CPUID_3DNOW 0x80000000 /* 3DNow! Instructions */
175
176 #define CPUID_EXT_FLAGS "\20\14SYSCALL/SYSRET\24MPC\25NOX\27MXX\32FFXSR" \
177 "\33P1GB\34RDTSCP\36LONG\0373DNOW2\0403DNOW"
178
179 /* AMD Fn80000001 extended features - %ecx */
180 #define CPUID_LAHF 0x00000001 /* LAHF/SAHF instruction */
181 #define CPUID_CMPLEGACY 0x00000002 /* Compare Legacy */
182 #define CPUID_SVM 0x00000004 /* Secure Virtual Machine */
183 #define CPUID_EAPIC 0x00000008 /* Extended APIC space */
184 #define CPUID_ALTMOVCR0 0x00000010 /* Lock Mov Cr0 */
185 #define CPUID_LZCNT 0x00000020 /* LZCNT instruction */
186 #define CPUID_SSE4A 0x00000040 /* SSE4A instruction set */
187 #define CPUID_MISALIGNSSE 0x00000080 /* Misaligned SSE */
188 #define CPUID_3DNOWPF 0x00000100 /* 3DNow Prefetch */
189 #define CPUID_OSVW 0x00000200 /* OS visible workarounds */
190 #define CPUID_IBS 0x00000400 /* Instruction Based Sampling */
191 #define CPUID_SSE5 0x00000800 /* SSE5 instruction set */
192 #define CPUID_SKINIT 0x00001000 /* SKINIT */
193 #define CPUID_WDT 0x00002000 /* watchdog timer support */
194
195 #define CPUID_AMD_FLAGS4 "\20\1LAHF\2CMPLEGACY\3SVM\4EAPIC\5ALTMOVCR0" \
196 "\6LZCNT\7SSE4A\10MISALIGNSSE" \
197 "\0113DNOWPREFETCH\12OSVW\13IBS" \
198 "\14SSE5\15SKINIT\16WDT"
199
200 /* AMD Fn8000000a %edx features (SVM features) */
201 #define CPUID_AMD_SVM_NP 0x00000001
202 #define CPUID_AMD_SVM_LbrVirt 0x00000002
203 #define CPUID_AMD_SVM_SVML 0x00000004
204 #define CPUID_AMD_SVM_NRIPS 0x00000008
205 #define CPUID_AMD_SVM_Ssse3Sse5Dis 0x00000200
206 #define CPUID_AMD_SVM_PauseFilter 0x00000400
207 #define CPUID_AMD_SVM_FLAGS "\20\1NP\2LbrVirt\3SVML\4NRIPS" \
208 "\12Ssse3Sse5Dis\13PauseFilter"
209
210 /*
211 * AMD Advanced Power Management
212 * CPUID Fn8000_0007 %edx
213 */
214 #define CPUID_APM_TS 0x00000001 /* Temperature Sensor */
215 #define CPUID_APM_FID 0x00000002 /* Frequency ID control */
216 #define CPUID_APM_VID 0x00000004 /* Voltage ID control */
217 #define CPUID_APM_TTP 0x00000008 /* THERMTRIP (PCI F3xE4 register) */
218 #define CPUID_APM_HTC 0x00000010 /* Hardware thermal control (HTC) */
219 #define CPUID_APM_STC 0x00000020 /* Software thermal control (STC) */
220 #define CPUID_APM_100 0x00000040 /* 100MHz multiplier control */
221 #define CPUID_APM_HWP 0x00000080 /* HW P-State control */
222 #define CPUID_APM_TSC 0x00000100 /* TSC invariant */
223 #define CPUID_APM_CPB 0x00000200 /* Core performance boost */
224
225 #define CPUID_APM_FLAGS "\20\1TS\2FID\3VID\4TTP\5HTC\6STC\007100" \
226 "\10HWP\11TSC\12CPB"
227
228 /*
229 * Centaur Extended Feature flags
230 */
231 #define CPUID_VIA_HAS_RNG 0x00000004 /* Random number generator */
232 #define CPUID_VIA_DO_RNG 0x00000008
233 #define CPUID_VIA_HAS_ACE 0x00000040 /* AES Encryption */
234 #define CPUID_VIA_DO_ACE 0x00000080
235 #define CPUID_VIA_HAS_ACE2 0x00000100 /* AES+CTR instructions */
236 #define CPUID_VIA_DO_ACE2 0x00000200
237 #define CPUID_VIA_HAS_PHE 0x00000400 /* SHA1+SHA256 HMAC */
238 #define CPUID_VIA_DO_PHE 0x00000800
239 #define CPUID_VIA_HAS_PMM 0x00001000 /* RSA Instructions */
240 #define CPUID_VIA_DO_PMM 0x00002000
241
242 #define CPUID_FLAGS_PADLOCK "\20\3RNG\7AES\11AES/CTR\13SHA1/SHA256\15RSA"
243
244 /*
245 * CPUID "features" bits in Fn00000001 %ecx
246 */
247
248 #define CPUID2_SSE3 0x00000001 /* Streaming SIMD Extensions 3 */
249 #define CPUID2_DTES64 0x00000004 /* 64-bit Debug Trace */
250 #define CPUID2_MONITOR 0x00000008 /* MONITOR/MWAIT instructions */
251 #define CPUID2_DS_CPL 0x00000010 /* CPL Qualified Debug Store */
252 #define CPUID2_VMX 0x00000020 /* Virtual Machine Extensions */
253 #define CPUID2_SMX 0x00000040 /* Safer Mode Extensions */
254 #define CPUID2_EST 0x00000080 /* Enhanced SpeedStep Technology */
255 #define CPUID2_TM2 0x00000100 /* Thermal Monitor 2 */
256 #define CPUID2_SSSE3 0x00000200 /* Supplemental SSE3 */
257 #define CPUID2_CID 0x00000400 /* Context ID */
258 #define CPUID2_CX16 0x00002000 /* has CMPXCHG16B instruction */
259 #define CPUID2_xTPR 0x00004000 /* Task Priority Messages disabled? */
260 #define CPUID2_PDCM 0x00008000 /* Perf/Debug Capability MSR */
261 #define CPUID2_DCA 0x00040000 /* Direct Cache Access */
262 #define CPUID2_SSE41 0x00080000 /* Streaming SIMD Extensions 4.1 */
263 #define CPUID2_SSE42 0x00100000 /* Streaming SIMD Extensions 4.2 */
264 #define CPUID2_X2APIC 0x00200000 /* xAPIC Extensions */
265 #define CPUID2_POPCNT 0x00800000 /* popcount instruction available */
266 #define CPUID2_RAZ 0x80000000 /* RAZ. Indicates guest state. */
267
268 #define CPUID2_FLAGS1 "\20\1SSE3\2B01\3DTES64\4MONITOR\5DS-CPL\6VMX\7SMX" \
269 "\10EST\11TM2\12SSSE3\13CID\14B11\15B12\16CX16" \
270 "\17xTPR\20PDCM\21B16\22B17\23DCA\24SSE41\25SSE42" \
271 "\26X2APIC\27MOVBE\30POPCNT\31B24\32B25\33XSAVE" \
272 "\34OSXSAVE\35B28\36B29\37B30\40RAZ"
273
274 #define CPUID2FAMILY(cpuid) (((cpuid) >> 8) & 0xf)
275 #define CPUID2MODEL(cpuid) (((cpuid) >> 4) & 0xf)
276 #define CPUID2STEPPING(cpuid) ((cpuid) & 0xf)
277
278 /* Extended family and model are defined on amd64 processors */
279 #define CPUID2EXTFAMILY(cpuid) (((cpuid) >> 20) & 0xff)
280 #define CPUID2EXTMODEL(cpuid) (((cpuid) >> 16) & 0xf)
281
282 /* Blacklists of CPUID flags - used to mask certain features */
283 #ifdef XEN
284 /* Not on Xen */
285 #define CPUID_FEAT_BLACKLIST (CPUID_PGE|CPUID_PSE|CPUID_MTRR|CPUID_FXSR)
286 #else
287 #define CPUID_FEAT_BLACKLIST 0
288 #endif /* XEN */
289
290 /*
291 * Model-specific registers for the i386 family
292 */
293 #define MSR_P5_MC_ADDR 0x000 /* P5 only */
294 #define MSR_P5_MC_TYPE 0x001 /* P5 only */
295 #define MSR_TSC 0x010
296 #define MSR_CESR 0x011 /* P5 only (trap on P6) */
297 #define MSR_CTR0 0x012 /* P5 only (trap on P6) */
298 #define MSR_CTR1 0x013 /* P5 only (trap on P6) */
299 #define MSR_APICBASE 0x01b
300 #define MSR_EBL_CR_POWERON 0x02a
301 #define MSR_EBC_FREQUENCY_ID 0x02c /* PIV only */
302 #define MSR_TEST_CTL 0x033
303 #define MSR_BIOS_UPDT_TRIG 0x079
304 #define MSR_BBL_CR_D0 0x088 /* PII+ only */
305 #define MSR_BBL_CR_D1 0x089 /* PII+ only */
306 #define MSR_BBL_CR_D2 0x08a /* PII+ only */
307 #define MSR_BIOS_SIGN 0x08b
308 #define MSR_PERFCTR0 0x0c1
309 #define MSR_PERFCTR1 0x0c2
310 #define MSR_FSB_FREQ 0x0cd /* Core Duo/Solo only */
311 #define MSR_MPERF 0x0e7
312 #define MSR_APERF 0x0e8
313 #define MSR_IA32_EXT_CONFIG 0x0ee /* Undocumented. Core Solo/Duo only */
314 #define MSR_MTRRcap 0x0fe
315 #define MSR_BBL_CR_ADDR 0x116 /* PII+ only */
316 #define MSR_BBL_CR_DECC 0x118 /* PII+ only */
317 #define MSR_BBL_CR_CTL 0x119 /* PII+ only */
318 #define MSR_BBL_CR_TRIG 0x11a /* PII+ only */
319 #define MSR_BBL_CR_BUSY 0x11b /* PII+ only */
320 #define MSR_BBL_CR_CTR3 0x11e /* PII+ only */
321 #define MSR_SYSENTER_CS 0x174 /* PII+ only */
322 #define MSR_SYSENTER_ESP 0x175 /* PII+ only */
323 #define MSR_SYSENTER_EIP 0x176 /* PII+ only */
324 #define MSR_MCG_CAP 0x179
325 #define MSR_MCG_STATUS 0x17a
326 #define MSR_MCG_CTL 0x17b
327 #define MSR_EVNTSEL0 0x186
328 #define MSR_EVNTSEL1 0x187
329 #define MSR_PERF_STATUS 0x198 /* Pentium M */
330 #define MSR_PERF_CTL 0x199 /* Pentium M */
331 #define MSR_THERM_CONTROL 0x19a
332 #define MSR_THERM_INTERRUPT 0x19b
333 #define MSR_THERM_STATUS 0x19c
334 #define MSR_THERM2_CTL 0x19d /* Pentium M */
335 #define MSR_MISC_ENABLE 0x1a0
336 #define MSR_DEBUGCTLMSR 0x1d9
337 #define MSR_LASTBRANCHFROMIP 0x1db
338 #define MSR_LASTBRANCHTOIP 0x1dc
339 #define MSR_LASTINTFROMIP 0x1dd
340 #define MSR_LASTINTTOIP 0x1de
341 #define MSR_ROB_CR_BKUPTMPDR6 0x1e0
342 #define MSR_MTRRphysBase0 0x200
343 #define MSR_MTRRphysMask0 0x201
344 #define MSR_MTRRphysBase1 0x202
345 #define MSR_MTRRphysMask1 0x203
346 #define MSR_MTRRphysBase2 0x204
347 #define MSR_MTRRphysMask2 0x205
348 #define MSR_MTRRphysBase3 0x206
349 #define MSR_MTRRphysMask3 0x207
350 #define MSR_MTRRphysBase4 0x208
351 #define MSR_MTRRphysMask4 0x209
352 #define MSR_MTRRphysBase5 0x20a
353 #define MSR_MTRRphysMask5 0x20b
354 #define MSR_MTRRphysBase6 0x20c
355 #define MSR_MTRRphysMask6 0x20d
356 #define MSR_MTRRphysBase7 0x20e
357 #define MSR_MTRRphysMask7 0x20f
358 #define MSR_MTRRfix64K_00000 0x250
359 #define MSR_MTRRfix16K_80000 0x258
360 #define MSR_MTRRfix16K_A0000 0x259
361 #define MSR_MTRRfix4K_C0000 0x268
362 #define MSR_MTRRfix4K_C8000 0x269
363 #define MSR_MTRRfix4K_D0000 0x26a
364 #define MSR_MTRRfix4K_D8000 0x26b
365 #define MSR_MTRRfix4K_E0000 0x26c
366 #define MSR_MTRRfix4K_E8000 0x26d
367 #define MSR_MTRRfix4K_F0000 0x26e
368 #define MSR_MTRRfix4K_F8000 0x26f
369 #define MSR_CR_PAT 0x277
370 #define MSR_MTRRdefType 0x2ff
371 #define MSR_MC0_CTL 0x400
372 #define MSR_MC0_STATUS 0x401
373 #define MSR_MC0_ADDR 0x402
374 #define MSR_MC0_MISC 0x403
375 #define MSR_MC1_CTL 0x404
376 #define MSR_MC1_STATUS 0x405
377 #define MSR_MC1_ADDR 0x406
378 #define MSR_MC1_MISC 0x407
379 #define MSR_MC2_CTL 0x408
380 #define MSR_MC2_STATUS 0x409
381 #define MSR_MC2_ADDR 0x40a
382 #define MSR_MC2_MISC 0x40b
383 #define MSR_MC4_CTL 0x40c
384 #define MSR_MC4_STATUS 0x40d
385 #define MSR_MC4_ADDR 0x40e
386 #define MSR_MC4_MISC 0x40f
387 #define MSR_MC3_CTL 0x410
388 #define MSR_MC3_STATUS 0x411
389 #define MSR_MC3_ADDR 0x412
390 #define MSR_MC3_MISC 0x413
391
392 /*
393 * VIA "Nehemiah" MSRs
394 */
395 #define MSR_VIA_RNG 0x0000110b
396 #define MSR_VIA_RNG_ENABLE 0x00000040
397 #define MSR_VIA_RNG_NOISE_MASK 0x00000300
398 #define MSR_VIA_RNG_NOISE_A 0x00000000
399 #define MSR_VIA_RNG_NOISE_B 0x00000100
400 #define MSR_VIA_RNG_2NOISE 0x00000300
401 #define MSR_VIA_ACE 0x00001107
402 #define MSR_VIA_ACE_ENABLE 0x10000000
403
404 /*
405 * AMD K6/K7 MSRs.
406 */
407 #define MSR_K6_UWCCR 0xc0000085
408 #define MSR_K7_EVNTSEL0 0xc0010000
409 #define MSR_K7_EVNTSEL1 0xc0010001
410 #define MSR_K7_EVNTSEL2 0xc0010002
411 #define MSR_K7_EVNTSEL3 0xc0010003
412 #define MSR_K7_PERFCTR0 0xc0010004
413 #define MSR_K7_PERFCTR1 0xc0010005
414 #define MSR_K7_PERFCTR2 0xc0010006
415 #define MSR_K7_PERFCTR3 0xc0010007
416
417 /*
418 * AMD K8 (Opteron) MSRs.
419 */
420 #define MSR_SYSCFG 0xc0000010
421
422 #define MSR_EFER 0xc0000080 /* Extended feature enable */
423 #define EFER_SCE 0x00000001 /* SYSCALL extension */
424 #define EFER_LME 0x00000100 /* Long Mode Active */
425 #define EFER_LMA 0x00000400 /* Long Mode Enabled */
426 #define EFER_NXE 0x00000800 /* No-Execute Enabled */
427
428 #define MSR_STAR 0xc0000081 /* 32 bit syscall gate addr */
429 #define MSR_LSTAR 0xc0000082 /* 64 bit syscall gate addr */
430 #define MSR_CSTAR 0xc0000083 /* compat syscall gate addr */
431 #define MSR_SFMASK 0xc0000084 /* flags to clear on syscall */
432
433 #define MSR_FSBASE 0xc0000100 /* 64bit offset for fs: */
434 #define MSR_GSBASE 0xc0000101 /* 64bit offset for gs: */
435 #define MSR_KERNELGSBASE 0xc0000102 /* storage for swapgs ins */
436
437 #define MSR_VMCR 0xc0010114 /* Virtual Machine Control Register */
438 #define VMCR_DPD 0x00000001 /* Debug port disable */
439 #define VMCR_RINIT 0x00000002 /* intercept init */
440 #define VMCR_DISA20 0x00000004 /* Disable A20 masking */
441 #define VMCR_LOCK 0x00000008 /* SVM Lock */
442 #define VMCR_SVMED 0x00000010 /* SVME Disable */
443 #define MSR_SVMLOCK 0xc0010118 /* SVM Lock key */
444
445 /*
446 * These require a 'passcode' for access. See cpufunc.h.
447 */
448 #define MSR_HWCR 0xc0010015
449 #define HWCR_TLBCACHEDIS 0x00000008
450 #define HWCR_FFDIS 0x00000040
451
452 #define MSR_NB_CFG 0xc001001f
453 #define NB_CFG_DISIOREQLOCK 0x0000000000000004ULL
454 #define NB_CFG_DISDATMSK 0x0000001000000000ULL
455 #define NB_CFG_INITAPICCPUIDLO (1ULL << 54)
456
457 #define MSR_LS_CFG 0xc0011020
458 #define LS_CFG_DIS_LS2_SQUISH 0x02000000
459
460 #define MSR_IC_CFG 0xc0011021
461 #define IC_CFG_DIS_SEQ_PREFETCH 0x00000800
462
463 #define MSR_DC_CFG 0xc0011022
464 #define DC_CFG_DIS_CNV_WC_SSO 0x00000004
465 #define DC_CFG_DIS_SMC_CHK_BUF 0x00000400
466 #define DC_CFG_ERRATA_261 0x01000000
467
468 #define MSR_BU_CFG 0xc0011023
469 #define BU_CFG_ERRATA_298 0x0000000000000002ULL
470 #define BU_CFG_ERRATA_254 0x0000000000200000ULL
471 #define BU_CFG_ERRATA_309 0x0000000000800000ULL
472 #define BU_CFG_THRL2IDXCMPDIS 0x0000080000000000ULL
473 #define BU_CFG_WBPFSMCCHKDIS 0x0000200000000000ULL
474 #define BU_CFG_WBENHWSBDIS 0x0001000000000000ULL
475
476 /* AMD Family10h MSRs */
477 #define MSR_OSVW_ID_LENGTH 0xc0010140
478 #define MSR_OSVW_STATUS 0xc0010141
479
480 /* X86 MSRs */
481 #define MSR_RDTSCP_AUX 0xc0000103
482
483 /*
484 * Constants related to MTRRs
485 */
486 #define MTRR_N64K 8 /* numbers of fixed-size entries */
487 #define MTRR_N16K 16
488 #define MTRR_N4K 64
489
490 /*
491 * the following four 3-byte registers control the non-cacheable regions.
492 * These registers must be written as three separate bytes.
493 *
494 * NCRx+0: A31-A24 of starting address
495 * NCRx+1: A23-A16 of starting address
496 * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
497 *
498 * The non-cacheable region's starting address must be aligned to the
499 * size indicated by the NCR_SIZE_xx field.
500 */
501 #define NCR1 0xc4
502 #define NCR2 0xc7
503 #define NCR3 0xca
504 #define NCR4 0xcd
505
506 #define NCR_SIZE_0K 0
507 #define NCR_SIZE_4K 1
508 #define NCR_SIZE_8K 2
509 #define NCR_SIZE_16K 3
510 #define NCR_SIZE_32K 4
511 #define NCR_SIZE_64K 5
512 #define NCR_SIZE_128K 6
513 #define NCR_SIZE_256K 7
514 #define NCR_SIZE_512K 8
515 #define NCR_SIZE_1M 9
516 #define NCR_SIZE_2M 10
517 #define NCR_SIZE_4M 11
518 #define NCR_SIZE_8M 12
519 #define NCR_SIZE_16M 13
520 #define NCR_SIZE_32M 14
521 #define NCR_SIZE_4G 15
522
523 /*
524 * Performance monitor events.
525 *
526 * Note that 586-class and 686-class CPUs have different performance
527 * monitors available, and they are accessed differently:
528 *
529 * 686-class: `rdpmc' instruction
530 * 586-class: `rdmsr' instruction, CESR MSR
531 *
532 * The descriptions of these events are too lenghy to include here.
533 * See Appendix A of "Intel Architecture Software Developer's
534 * Manual, Volume 3: System Programming" for more information.
535 */
536
537 /*
538 * 586-class CESR MSR format. Lower 16 bits is CTR0, upper 16 bits
539 * is CTR1.
540 */
541
542 #define PMC5_CESR_EVENT 0x003f
543 #define PMC5_CESR_OS 0x0040
544 #define PMC5_CESR_USR 0x0080
545 #define PMC5_CESR_E 0x0100
546 #define PMC5_CESR_P 0x0200
547
548 #define PMC5_DATA_READ 0x00
549 #define PMC5_DATA_WRITE 0x01
550 #define PMC5_DATA_TLB_MISS 0x02
551 #define PMC5_DATA_READ_MISS 0x03
552 #define PMC5_DATA_WRITE_MISS 0x04
553 #define PMC5_WRITE_M_E 0x05
554 #define PMC5_DATA_LINES_WBACK 0x06
555 #define PMC5_DATA_CACHE_SNOOP 0x07
556 #define PMC5_DATA_CACHE_SNOOP_HIT 0x08
557 #define PMC5_MEM_ACCESS_BOTH_PIPES 0x09
558 #define PMC5_BANK_CONFLICTS 0x0a
559 #define PMC5_MISALIGNED_DATA 0x0b
560 #define PMC5_INST_READ 0x0c
561 #define PMC5_INST_TLB_MISS 0x0d
562 #define PMC5_INST_CACHE_MISS 0x0e
563 #define PMC5_SEGMENT_REG_LOAD 0x0f
564 #define PMC5_BRANCHES 0x12
565 #define PMC5_BTB_HITS 0x13
566 #define PMC5_BRANCH_TAKEN 0x14
567 #define PMC5_PIPELINE_FLUSH 0x15
568 #define PMC5_INST_EXECUTED 0x16
569 #define PMC5_INST_EXECUTED_V_PIPE 0x17
570 #define PMC5_BUS_UTILIZATION 0x18
571 #define PMC5_WRITE_BACKUP_STALL 0x19
572 #define PMC5_DATA_READ_STALL 0x1a
573 #define PMC5_WRITE_E_M_STALL 0x1b
574 #define PMC5_LOCKED_BUS 0x1c
575 #define PMC5_IO_CYCLE 0x1d
576 #define PMC5_NONCACHE_MEM_READ 0x1e
577 #define PMC5_AGI_STALL 0x1f
578 #define PMC5_FLOPS 0x22
579 #define PMC5_BP0_MATCH 0x23
580 #define PMC5_BP1_MATCH 0x24
581 #define PMC5_BP2_MATCH 0x25
582 #define PMC5_BP3_MATCH 0x26
583 #define PMC5_HARDWARE_INTR 0x27
584 #define PMC5_DATA_RW 0x28
585 #define PMC5_DATA_RW_MISS 0x29
586
587 /*
588 * 686-class Event Selector MSR format.
589 */
590
591 #define PMC6_EVTSEL_EVENT 0x000000ff
592 #define PMC6_EVTSEL_UNIT 0x0000ff00
593 #define PMC6_EVTSEL_UNIT_SHIFT 8
594 #define PMC6_EVTSEL_USR (1 << 16)
595 #define PMC6_EVTSEL_OS (1 << 17)
596 #define PMC6_EVTSEL_E (1 << 18)
597 #define PMC6_EVTSEL_PC (1 << 19)
598 #define PMC6_EVTSEL_INT (1 << 20)
599 #define PMC6_EVTSEL_EN (1 << 22) /* PerfEvtSel0 only */
600 #define PMC6_EVTSEL_INV (1 << 23)
601 #define PMC6_EVTSEL_COUNTER_MASK 0xff000000
602 #define PMC6_EVTSEL_COUNTER_MASK_SHIFT 24
603
604 /* Data Cache Unit */
605 #define PMC6_DATA_MEM_REFS 0x43
606 #define PMC6_DCU_LINES_IN 0x45
607 #define PMC6_DCU_M_LINES_IN 0x46
608 #define PMC6_DCU_M_LINES_OUT 0x47
609 #define PMC6_DCU_MISS_OUTSTANDING 0x48
610
611 /* Instruction Fetch Unit */
612 #define PMC6_IFU_IFETCH 0x80
613 #define PMC6_IFU_IFETCH_MISS 0x81
614 #define PMC6_ITLB_MISS 0x85
615 #define PMC6_IFU_MEM_STALL 0x86
616 #define PMC6_ILD_STALL 0x87
617
618 /* L2 Cache */
619 #define PMC6_L2_IFETCH 0x28
620 #define PMC6_L2_LD 0x29
621 #define PMC6_L2_ST 0x2a
622 #define PMC6_L2_LINES_IN 0x24
623 #define PMC6_L2_LINES_OUT 0x26
624 #define PMC6_L2_M_LINES_INM 0x25
625 #define PMC6_L2_M_LINES_OUTM 0x27
626 #define PMC6_L2_RQSTS 0x2e
627 #define PMC6_L2_ADS 0x21
628 #define PMC6_L2_DBUS_BUSY 0x22
629 #define PMC6_L2_DBUS_BUSY_RD 0x23
630
631 /* External Bus Logic */
632 #define PMC6_BUS_DRDY_CLOCKS 0x62
633 #define PMC6_BUS_LOCK_CLOCKS 0x63
634 #define PMC6_BUS_REQ_OUTSTANDING 0x60
635 #define PMC6_BUS_TRAN_BRD 0x65
636 #define PMC6_BUS_TRAN_RFO 0x66
637 #define PMC6_BUS_TRANS_WB 0x67
638 #define PMC6_BUS_TRAN_IFETCH 0x68
639 #define PMC6_BUS_TRAN_INVAL 0x69
640 #define PMC6_BUS_TRAN_PWR 0x6a
641 #define PMC6_BUS_TRANS_P 0x6b
642 #define PMC6_BUS_TRANS_IO 0x6c
643 #define PMC6_BUS_TRAN_DEF 0x6d
644 #define PMC6_BUS_TRAN_BURST 0x6e
645 #define PMC6_BUS_TRAN_ANY 0x70
646 #define PMC6_BUS_TRAN_MEM 0x6f
647 #define PMC6_BUS_DATA_RCV 0x64
648 #define PMC6_BUS_BNR_DRV 0x61
649 #define PMC6_BUS_HIT_DRV 0x7a
650 #define PMC6_BUS_HITM_DRDV 0x7b
651 #define PMC6_BUS_SNOOP_STALL 0x7e
652
653 /* Floating Point Unit */
654 #define PMC6_FLOPS 0xc1
655 #define PMC6_FP_COMP_OPS_EXE 0x10
656 #define PMC6_FP_ASSIST 0x11
657 #define PMC6_MUL 0x12
658 #define PMC6_DIV 0x12
659 #define PMC6_CYCLES_DIV_BUSY 0x14
660
661 /* Memory Ordering */
662 #define PMC6_LD_BLOCKS 0x03
663 #define PMC6_SB_DRAINS 0x04
664 #define PMC6_MISALIGN_MEM_REF 0x05
665 #define PMC6_EMON_KNI_PREF_DISPATCHED 0x07 /* P-III only */
666 #define PMC6_EMON_KNI_PREF_MISS 0x4b /* P-III only */
667
668 /* Instruction Decoding and Retirement */
669 #define PMC6_INST_RETIRED 0xc0
670 #define PMC6_UOPS_RETIRED 0xc2
671 #define PMC6_INST_DECODED 0xd0
672 #define PMC6_EMON_KNI_INST_RETIRED 0xd8
673 #define PMC6_EMON_KNI_COMP_INST_RET 0xd9
674
675 /* Interrupts */
676 #define PMC6_HW_INT_RX 0xc8
677 #define PMC6_CYCLES_INT_MASKED 0xc6
678 #define PMC6_CYCLES_INT_PENDING_AND_MASKED 0xc7
679
680 /* Branches */
681 #define PMC6_BR_INST_RETIRED 0xc4
682 #define PMC6_BR_MISS_PRED_RETIRED 0xc5
683 #define PMC6_BR_TAKEN_RETIRED 0xc9
684 #define PMC6_BR_MISS_PRED_TAKEN_RET 0xca
685 #define PMC6_BR_INST_DECODED 0xe0
686 #define PMC6_BTB_MISSES 0xe2
687 #define PMC6_BR_BOGUS 0xe4
688 #define PMC6_BACLEARS 0xe6
689
690 /* Stalls */
691 #define PMC6_RESOURCE_STALLS 0xa2
692 #define PMC6_PARTIAL_RAT_STALLS 0xd2
693
694 /* Segment Register Loads */
695 #define PMC6_SEGMENT_REG_LOADS 0x06
696
697 /* Clocks */
698 #define PMC6_CPU_CLK_UNHALTED 0x79
699
700 /* MMX Unit */
701 #define PMC6_MMX_INSTR_EXEC 0xb0 /* Celeron, P-II, P-IIX only */
702 #define PMC6_MMX_SAT_INSTR_EXEC 0xb1 /* P-II and P-III only */
703 #define PMC6_MMX_UOPS_EXEC 0xb2 /* P-II and P-III only */
704 #define PMC6_MMX_INSTR_TYPE_EXEC 0xb3 /* P-II and P-III only */
705 #define PMC6_FP_MMX_TRANS 0xcc /* P-II and P-III only */
706 #define PMC6_MMX_ASSIST 0xcd /* P-II and P-III only */
707 #define PMC6_MMX_INSTR_RET 0xc3 /* P-II only */
708
709 /* Segment Register Renaming */
710 #define PMC6_SEG_RENAME_STALLS 0xd4 /* P-II and P-III only */
711 #define PMC6_SEG_REG_RENAMES 0xd5 /* P-II and P-III only */
712 #define PMC6_RET_SEG_RENAMES 0xd6 /* P-II and P-III only */
713
714 /*
715 * AMD K7 Event Selector MSR format.
716 */
717
718 #define K7_EVTSEL_EVENT 0x000000ff
719 #define K7_EVTSEL_UNIT 0x0000ff00
720 #define K7_EVTSEL_UNIT_SHIFT 8
721 #define K7_EVTSEL_USR (1 << 16)
722 #define K7_EVTSEL_OS (1 << 17)
723 #define K7_EVTSEL_E (1 << 18)
724 #define K7_EVTSEL_PC (1 << 19)
725 #define K7_EVTSEL_INT (1 << 20)
726 #define K7_EVTSEL_EN (1 << 22)
727 #define K7_EVTSEL_INV (1 << 23)
728 #define K7_EVTSEL_COUNTER_MASK 0xff000000
729 #define K7_EVTSEL_COUNTER_MASK_SHIFT 24
730
731 /* Segment Register Loads */
732 #define K7_SEGMENT_REG_LOADS 0x20
733
734 #define K7_STORES_TO_ACTIVE_INST_STREAM 0x21
735
736 /* Data Cache Unit */
737 #define K7_DATA_CACHE_ACCESS 0x40
738 #define K7_DATA_CACHE_MISS 0x41
739 #define K7_DATA_CACHE_REFILL 0x42
740 #define K7_DATA_CACHE_REFILL_SYSTEM 0x43
741 #define K7_DATA_CACHE_WBACK 0x44
742 #define K7_L2_DTLB_HIT 0x45
743 #define K7_L2_DTLB_MISS 0x46
744 #define K7_MISALIGNED_DATA_REF 0x47
745 #define K7_SYSTEM_REQUEST 0x64
746 #define K7_SYSTEM_REQUEST_TYPE 0x65
747
748 #define K7_SNOOP_HIT 0x73
749 #define K7_SINGLE_BIT_ECC_ERROR 0x74
750 #define K7_CACHE_LINE_INVAL 0x75
751 #define K7_CYCLES_PROCESSOR_IS_RUNNING 0x76
752 #define K7_L2_REQUEST 0x79
753 #define K7_L2_REQUEST_BUSY 0x7a
754
755 /* Instruction Fetch Unit */
756 #define K7_IFU_IFETCH 0x80
757 #define K7_IFU_IFETCH_MISS 0x81
758 #define K7_IFU_REFILL_FROM_L2 0x82
759 #define K7_IFU_REFILL_FROM_SYSTEM 0x83
760 #define K7_ITLB_L1_MISS 0x84
761 #define K7_ITLB_L2_MISS 0x85
762 #define K7_SNOOP_RESYNC 0x86
763 #define K7_IFU_STALL 0x87
764
765 #define K7_RETURN_STACK_HITS 0x88
766 #define K7_RETURN_STACK_OVERFLOW 0x89
767
768 /* Retired */
769 #define K7_RETIRED_INST 0xc0
770 #define K7_RETIRED_OPS 0xc1
771 #define K7_RETIRED_BRANCHES 0xc2
772 #define K7_RETIRED_BRANCH_MISPREDICTED 0xc3
773 #define K7_RETIRED_TAKEN_BRANCH 0xc4
774 #define K7_RETIRED_TAKEN_BRANCH_MISPREDICTED 0xc5
775 #define K7_RETIRED_FAR_CONTROL_TRANSFER 0xc6
776 #define K7_RETIRED_RESYNC_BRANCH 0xc7
777 #define K7_RETIRED_NEAR_RETURNS 0xc8
778 #define K7_RETIRED_NEAR_RETURNS_MISPREDICTED 0xc9
779 #define K7_RETIRED_INDIRECT_MISPREDICTED 0xca
780
781 /* Interrupts */
782 #define K7_CYCLES_INT_MASKED 0xcd
783 #define K7_CYCLES_INT_PENDING_AND_MASKED 0xce
784 #define K7_HW_INTR_RECV 0xcf
785
786 #define K7_INSTRUCTION_DECODER_EMPTY 0xd0
787 #define K7_DISPATCH_STALLS 0xd1
788 #define K7_BRANCH_ABORTS_TO_RETIRE 0xd2
789 #define K7_SERIALIZE 0xd3
790 #define K7_SEGMENT_LOAD_STALL 0xd4
791 #define K7_ICU_FULL 0xd5
792 #define K7_RESERVATION_STATIONS_FULL 0xd6
793 #define K7_FPU_FULL 0xd7
794 #define K7_LS_FULL 0xd8
795 #define K7_ALL_QUIET_STALL 0xd9
796 #define K7_FAR_TRANSFER_OR_RESYNC_BRANCH_PENDING 0xda
797
798 #define K7_BP0_MATCH 0xdc
799 #define K7_BP1_MATCH 0xdd
800 #define K7_BP2_MATCH 0xde
801 #define K7_BP3_MATCH 0xdf
802