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1c79356b 1/*
0a7de745 2 * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
1c79356b 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
0a7de745 5 *
2d21ac55
A
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
0a7de745 14 *
2d21ac55
A
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
0a7de745 17 *
2d21ac55
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18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
0a7de745 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b
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27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31/* CMU_ENDHIST */
0a7de745 32/*
1c79356b
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33 * Mach Operating System
34 * Copyright (c) 1991,1990 Carnegie Mellon University
35 * All Rights Reserved.
0a7de745 36 *
1c79356b
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37 * Permission to use, copy, modify and distribute this software and its
38 * documentation is hereby granted, provided that both the copyright
39 * notice and this permission notice appear in all copies of the
40 * software, derivative works or modified versions, and any portions
41 * thereof, and that both notices appear in supporting documentation.
0a7de745 42 *
1c79356b
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43 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
44 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
45 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
0a7de745 46 *
1c79356b 47 * Carnegie Mellon requests users of this software to return to
0a7de745 48 *
1c79356b
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49 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
50 * School of Computer Science
51 * Carnegie Mellon University
52 * Pittsburgh PA 15213-3890
0a7de745 53 *
1c79356b
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54 * any improvements or extensions that they make and grant Carnegie Mellon
55 * the rights to redistribute these changes.
56 */
57
58/*
59 */
60
61/*
62 * Processor registers for i386 and i486.
63 */
0a7de745
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64#ifndef _I386_PROC_REG_H_
65#define _I386_PROC_REG_H_
1c79356b
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66
67/*
68 * Model Specific Registers
69 */
0a7de745
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70#define MSR_P5_TSC 0x10 /* Time Stamp Register */
71#define MSR_P5_CESR 0x11 /* Control and Event Select Register */
72#define MSR_P5_CTR0 0x12 /* Counter #0 */
73#define MSR_P5_CTR1 0x13 /* Counter #1 */
74
75#define MSR_P5_CESR_PC 0x0200 /* Pin Control */
76#define MSR_P5_CESR_CC 0x01C0 /* Counter Control mask */
77#define MSR_P5_CESR_ES 0x003F /* Event Control mask */
78
79#define MSR_P5_CESR_SHIFT 16 /* Shift to get Counter 1 */
80#define MSR_P5_CESR_MASK (MSR_P5_CESR_PC|\
81 MSR_P5_CESR_CC|\
82 MSR_P5_CESR_ES) /* Mask Counter */
83
84#define MSR_P5_CESR_CC_CLOCK 0x0100 /* Clock Counting (otherwise Event) */
85#define MSR_P5_CESR_CC_DISABLE 0x0000 /* Disable counter */
86#define MSR_P5_CESR_CC_CPL012 0x0040 /* Count if the CPL == 0, 1, 2 */
87#define MSR_P5_CESR_CC_CPL3 0x0080 /* Count if the CPL == 3 */
88#define MSR_P5_CESR_CC_CPL 0x00C0 /* Count regardless of the CPL */
89
90#define MSR_P5_CESR_ES_DATA_READ 0x000000 /* Data Read */
91#define MSR_P5_CESR_ES_DATA_WRITE 0x000001 /* Data Write */
92#define MSR_P5_CESR_ES_DATA_RW 0x101000 /* Data Read or Write */
93#define MSR_P5_CESR_ES_DATA_TLB_MISS 0x000010 /* Data TLB Miss */
94#define MSR_P5_CESR_ES_DATA_READ_MISS 0x000011 /* Data Read Miss */
95#define MSR_P5_CESR_ES_DATA_WRITE_MISS 0x000100 /* Data Write Miss */
96#define MSR_P5_CESR_ES_DATA_RW_MISS 0x101001 /* Data Read or Write Miss */
97#define MSR_P5_CESR_ES_HIT_EM 0x000101 /* Write (hit) to M|E state */
98#define MSR_P5_CESR_ES_DATA_CACHE_WB 0x000110 /* Cache lines written back */
99#define MSR_P5_CESR_ES_EXTERNAL_SNOOP 0x000111 /* External Snoop */
100#define MSR_P5_CESR_ES_CACHE_SNOOP_HIT 0x001000 /* Data cache snoop hits */
101#define MSR_P5_CESR_ES_MEM_ACCESS_PIPE 0x001001 /* Mem. access in both pipes */
102#define MSR_P5_CESR_ES_BANK_CONFLICTS 0x001010 /* Bank conflicts */
103#define MSR_P5_CESR_ES_MISALIGNED 0x001011 /* Misaligned Memory or I/O */
104#define MSR_P5_CESR_ES_CODE_READ 0x001100 /* Code Read */
105#define MSR_P5_CESR_ES_CODE_TLB_MISS 0x001101 /* Code TLB miss */
106#define MSR_P5_CESR_ES_CODE_CACHE_MISS 0x001110 /* Code Cache miss */
107#define MSR_P5_CESR_ES_SEGMENT_LOADED 0x001111 /* Any segment reg. loaded */
108#define MSR_P5_CESR_ES_BRANCHE 0x010010 /* Branches */
109#define MSR_P5_CESR_ES_BTB_HIT 0x010011 /* BTB Hits */
110#define MSR_P5_CESR_ES_BRANCHE_BTB 0x010100 /* Taken branch or BTB Hit */
111#define MSR_P5_CESR_ES_PIPELINE_FLUSH 0x010101 /* Pipeline Flushes */
112#define MSR_P5_CESR_ES_INSTRUCTION 0x010110 /* Instruction executed */
113#define MSR_P5_CESR_ES_INSTRUCTION_V 0x010111 /* Inst. executed (v-pipe) */
114#define MSR_P5_CESR_ES_BUS_CYCLE 0x011000 /* Clocks while bus cycle */
115#define MSR_P5_CESR_ES_FULL_WRITE_BUF 0x011001 /* Clocks while full wrt buf. */
116#define MSR_P5_CESR_ES_DATA_MEM_READ 0x011010 /* Pipeline waiting for read */
117#define MSR_P5_CESR_ES_WRITE_EM 0x011011 /* Stall on write E|M state */
118#define MSR_P5_CESR_ES_LOCKED_CYCLE 0x011100 /* Locked bus cycles */
119#define MSR_P5_CESR_ES_IO_CYCLE 0x011101 /* I/O Read or Write cycles */
120#define MSR_P5_CESR_ES_NON_CACHEABLE 0x011110 /* Non-cacheable Mem. read */
121#define MSR_P5_CESR_ES_AGI 0x011111 /* Stall because of AGI */
122#define MSR_P5_CESR_ES_FLOP 0x100010 /* Floating Point operations */
123#define MSR_P5_CESR_ES_BREAK_DR0 0x100011 /* Breakpoint matches on DR0 */
124#define MSR_P5_CESR_ES_BREAK_DR1 0x100100 /* Breakpoint matches on DR1 */
125#define MSR_P5_CESR_ES_BREAK_DR2 0x100101 /* Breakpoint matches on DR2 */
126#define MSR_P5_CESR_ES_BREAK_DR3 0x100110 /* Breakpoint matches on DR3 */
127#define MSR_P5_CESR_ES_HARDWARE_IT 0x100111 /* Hardware interrupts */
1c79356b
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128
129/*
130 * CR0
131 */
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132#define CR0_PG 0x80000000 /* Enable paging */
133#define CR0_CD 0x40000000 /* i486: Cache disable */
134#define CR0_NW 0x20000000 /* i486: No write-through */
135#define CR0_AM 0x00040000 /* i486: Alignment check mask */
136#define CR0_WP 0x00010000 /* i486: Write-protect kernel access */
137#define CR0_NE 0x00000020 /* i486: Handle numeric exceptions */
138#define CR0_ET 0x00000010 /* Extension type is 80387 */
139 /* (not official) */
140#define CR0_TS 0x00000008 /* Task switch */
141#define CR0_EM 0x00000004 /* Emulate coprocessor */
142#define CR0_MP 0x00000002 /* Monitor coprocessor */
143#define CR0_PE 0x00000001 /* Enable protected mode */
1c79356b
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144
145/*
146 * CR4
147 */
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148#define CR4_SEE 0x00008000 /* Secure Enclave Enable XXX */
149#define CR4_SMAP 0x00200000 /* Supervisor-Mode Access Protect */
150#define CR4_SMEP 0x00100000 /* Supervisor-Mode Execute Protect */
151#define CR4_OSXSAVE 0x00040000 /* OS supports XSAVE */
152#define CR4_PCIDE 0x00020000 /* PCID Enable */
153#define CR4_RDWRFSGS 0x00010000 /* RDWRFSGS Enable */
154#define CR4_SMXE 0x00004000 /* Enable SMX operation */
155#define CR4_VMXE 0x00002000 /* Enable VMX operation */
156#define CR4_OSXMM 0x00000400 /* SSE/SSE2 exception support in OS */
157#define CR4_OSFXS 0x00000200 /* SSE/SSE2 OS supports FXSave */
158#define CR4_PCE 0x00000100 /* Performance-Monitor Count Enable */
159#define CR4_PGE 0x00000080 /* Page Global Enable */
160#define CR4_MCE 0x00000040 /* Machine Check Exceptions */
161#define CR4_PAE 0x00000020 /* Physical Address Extensions */
162#define CR4_PSE 0x00000010 /* Page Size Extensions */
163#define CR4_DE 0x00000008 /* Debugging Extensions */
164#define CR4_TSD 0x00000004 /* Time Stamp Disable */
165#define CR4_PVI 0x00000002 /* Protected-mode Virtual Interrupts */
166#define CR4_VME 0x00000001 /* Virtual-8086 Mode Extensions */
1c79356b 167
060df5ea
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168/*
169 * XCR0 - XFEATURE_ENABLED_MASK (a.k.a. XFEM) register
170 */
0a7de745
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171#define XCR0_X87 (1ULL << 0) /* x87, FPU/MMX (always set) */
172#define XCR0_SSE (1ULL << 1) /* SSE supported by XSAVE/XRESTORE */
173#define XCR0_YMM (1ULL << 2) /* YMM state available */
174#define XCR0_BNDREGS (1ULL << 3) /* MPX Bounds register state */
175#define XCR0_BNDCSR (1ULL << 4) /* MPX Bounds configuration/state */
5ba3f43e 176#if !defined(RC_HIDE_XNU_J137)
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177#define XCR0_OPMASK (1ULL << 5) /* Opmask register state */
178#define XCR0_ZMM_HI256 (1ULL << 6) /* ZMM upper 256-bit state */
179#define XCR0_HI16_ZMM (1ULL << 7) /* ZMM16..ZMM31 512-bit state */
5ba3f43e 180#endif /* not RC_HIDE_XNU_J137 */
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181#define XFEM_X87 XCR0_X87
182#define XFEM_SSE XCR0_SSE
183#define XFEM_YMM XCR0_YMM
184#define XFEM_BNDREGS XCR0_BNDREGS
185#define XFEM_BNDCSR XCR0_BNDCSR
5ba3f43e 186#if !defined(XNU_HODE_J137)
0a7de745
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187#define XFEM_OPMASK XCR0_OPMASK
188#define XFEM_ZMM_HI256 XCR0_ZMM_HI256
189#define XFEM_HI16_ZMM XCR0_HI16_ZMM
190#define XFEM_ZMM (XFEM_ZMM_HI256 | XFEM_HI16_ZMM | XFEM_OPMASK)
5ba3f43e 191#endif /* not XNU_HODE_J137 */
060df5ea 192#define XCR0 (0)
6d2010ae 193
0a7de745
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194#define PMAP_PCID_PRESERVE (1ULL << 63)
195#define PMAP_PCID_MASK (0xFFF)
196
197#define EARLY_GSBASE_MAGIC 0xffffdeadbeefee00
316670eb 198
5ba3f43e
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199/*
200 * If thread groups are needed for x86, set this to 1
201 */
202#define CONFIG_THREAD_GROUPS 0
203
0a7de745 204#ifndef ASSEMBLER
91447636
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205
206#include <sys/cdefs.h>
b0d623f7
A
207#include <stdint.h>
208
91447636 209__BEGIN_DECLS
1c79356b 210
0a7de745 211#define set_ts() set_cr0(get_cr0() | CR0_TS)
1c79356b 212
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213static inline uint16_t
214get_es(void)
6d2010ae
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215{
216 uint16_t es;
0a7de745 217 __asm__ volatile ("mov %%es, %0" : "=r" (es));
6d2010ae
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218 return es;
219}
220
0a7de745
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221static inline void
222set_es(uint16_t es)
6d2010ae 223{
0a7de745 224 __asm__ volatile ("mov %0, %%es" : : "r" (es));
6d2010ae
A
225}
226
0a7de745
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227static inline uint16_t
228get_ds(void)
6d2010ae
A
229{
230 uint16_t ds;
0a7de745 231 __asm__ volatile ("mov %%ds, %0" : "=r" (ds));
6d2010ae
A
232 return ds;
233}
234
0a7de745
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235static inline void
236set_ds(uint16_t ds)
6d2010ae 237{
0a7de745 238 __asm__ volatile ("mov %0, %%ds" : : "r" (ds));
6d2010ae
A
239}
240
0a7de745
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241static inline uint16_t
242get_fs(void)
6d2010ae
A
243{
244 uint16_t fs;
0a7de745 245 __asm__ volatile ("mov %%fs, %0" : "=r" (fs));
6d2010ae
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246 return fs;
247}
248
0a7de745
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249static inline void
250set_fs(uint16_t fs)
6d2010ae 251{
0a7de745 252 __asm__ volatile ("mov %0, %%fs" : : "r" (fs));
6d2010ae
A
253}
254
0a7de745
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255static inline uint16_t
256get_gs(void)
6d2010ae
A
257{
258 uint16_t gs;
0a7de745 259 __asm__ volatile ("mov %%gs, %0" : "=r" (gs));
6d2010ae
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260 return gs;
261}
262
0a7de745
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263static inline void
264set_gs(uint16_t gs)
6d2010ae 265{
0a7de745 266 __asm__ volatile ("mov %0, %%gs" : : "r" (gs));
6d2010ae
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267}
268
0a7de745
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269static inline uint16_t
270get_ss(void)
6d2010ae
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271{
272 uint16_t ss;
0a7de745 273 __asm__ volatile ("mov %%ss, %0" : "=r" (ss));
6d2010ae
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274 return ss;
275}
276
0a7de745
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277static inline void
278set_ss(uint16_t ss)
6d2010ae 279{
0a7de745 280 __asm__ volatile ("mov %0, %%ss" : : "r" (ss));
6d2010ae
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281}
282
0a7de745
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283static inline uintptr_t
284get_cr0(void)
1c79356b 285{
0a7de745
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286 uintptr_t cr0;
287 __asm__ volatile ("mov %%cr0, %0" : "=r" (cr0));
288 return cr0;
1c79356b
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289}
290
0a7de745
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291static inline void
292set_cr0(uintptr_t value)
1c79356b 293{
0a7de745 294 __asm__ volatile ("mov %0, %%cr0" : : "r" (value));
1c79356b
A
295}
296
0a7de745
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297static inline uintptr_t
298get_cr2(void)
1c79356b 299{
b0d623f7 300 uintptr_t cr2;
0a7de745
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301 __asm__ volatile ("mov %%cr2, %0" : "=r" (cr2));
302 return cr2;
1c79356b
A
303}
304
0a7de745
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305static inline uintptr_t
306get_cr3_raw(void)
6d2010ae 307{
3e170ce0 308 uintptr_t cr3;
0a7de745
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309 __asm__ volatile ("mov %%cr3, %0" : "=r" (cr3));
310 return cr3;
6d2010ae
A
311}
312
0a7de745
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313static inline void
314set_cr3_raw(uintptr_t value)
6d2010ae 315{
0a7de745 316 __asm__ volatile ("mov %0, %%cr3" : : "r" (value));
6d2010ae
A
317}
318
0a7de745
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319static inline uintptr_t
320get_cr3_base(void)
6d2010ae 321{
3e170ce0 322 uintptr_t cr3;
0a7de745
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323 __asm__ volatile ("mov %%cr3, %0" : "=r" (cr3));
324 return cr3 & ~(0xFFFULL);
6d2010ae
A
325}
326
0a7de745
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327static inline void
328set_cr3_composed(uintptr_t base, uint16_t pcid, uint64_t preserve)
6d2010ae 329{
0a7de745 330 __asm__ volatile ("mov %0, %%cr3" : : "r" (base | pcid | ( (preserve) << 63) ));
6d2010ae 331}
1c79356b 332
0a7de745
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333static inline uintptr_t
334get_cr4(void)
0c530ab8 335{
b0d623f7 336 uintptr_t cr4;
0a7de745
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337 __asm__ volatile ("mov %%cr4, %0" : "=r" (cr4));
338 return cr4;
0c530ab8
A
339}
340
0a7de745
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341static inline void
342set_cr4(uintptr_t value)
0c530ab8 343{
0a7de745 344 __asm__ volatile ("mov %0, %%cr4" : : "r" (value));
0c530ab8 345}
91447636 346
0a7de745
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347static inline uintptr_t
348x86_get_flags(void)
6d2010ae
A
349{
350 uintptr_t erflags;
0a7de745 351 __asm__ volatile ("pushf; pop %0" : "=r" (erflags));
6d2010ae
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352 return erflags;
353}
354
0a7de745
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355static inline void
356clear_ts(void)
1c79356b 357{
0a7de745 358 __asm__ volatile ("clts");
1c79356b
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359}
360
0a7de745
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361static inline unsigned short
362get_tr(void)
1c79356b 363{
0a7de745
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364 unsigned short seg;
365 __asm__ volatile ("str %0" : "=rm" (seg));
366 return seg;
1c79356b
A
367}
368
0a7de745
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369static inline void
370set_tr(unsigned int seg)
1c79356b 371{
0a7de745 372 __asm__ volatile ("ltr %0" : : "rm" ((unsigned short)(seg)));
1c79356b
A
373}
374
0a7de745
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375static inline unsigned short
376sldt(void)
1c79356b
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377{
378 unsigned short seg;
0a7de745
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379 __asm__ volatile ("sldt %0" : "=rm" (seg));
380 return seg;
1c79356b
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381}
382
0a7de745
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383static inline void
384lldt(unsigned int seg)
1c79356b 385{
0a7de745 386 __asm__ volatile ("lldt %0" : : "rm" ((unsigned short)(seg)));
1c79356b
A
387}
388
0a7de745
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389static inline void
390lgdt(uintptr_t *desc)
b0d623f7 391{
0a7de745 392 __asm__ volatile ("lgdt %0" : : "m" (*desc));
b0d623f7
A
393}
394
0a7de745
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395static inline void
396lidt(uintptr_t *desc)
b0d623f7 397{
0a7de745 398 __asm__ volatile ("lidt %0" : : "m" (*desc));
b0d623f7
A
399}
400
0a7de745
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401static inline void
402swapgs(void)
b0d623f7 403{
0a7de745 404 __asm__ volatile ("swapgs");
b0d623f7
A
405}
406
0a7de745
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407static inline void
408hlt(void)
5ba3f43e 409{
0a7de745 410 __asm__ volatile ("hlt");
5ba3f43e
A
411}
412
0c530ab8 413#ifdef MACH_KERNEL_PRIVATE
b0d623f7 414
bd504ef0
A
415extern int rdmsr64_carefully(uint32_t msr, uint64_t *val);
416extern int wrmsr64_carefully(uint32_t msr, uint64_t val);
0a7de745 417#endif /* MACH_KERNEL_PRIVATE */
1c79356b 418
0a7de745
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419static inline void
420wbinvd(void)
91447636 421{
0a7de745 422 __asm__ volatile ("wbinvd");
91447636
A
423}
424
0a7de745
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425static inline void
426invlpg(uintptr_t addr)
1c79356b 427{
0a7de745 428 __asm__ volatile ("invlpg (%0)" :: "r" (addr) : "memory");
1c79356b 429}
55e303ae 430
0a7de745
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431static inline void
432clac(void)
04b8595b 433{
0a7de745 434 __asm__ volatile ("clac");
04b8595b
A
435}
436
0a7de745
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437static inline void
438stac(void)
04b8595b 439{
0a7de745 440 __asm__ volatile ("stac");
04b8595b
A
441}
442
55e303ae
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443/*
444 * Access to machine-specific registers (available on 586 and better only)
445 * Note: the rd* operations modify the parameters directly (without using
446 * pointer indirection), this allows gcc to optimize better
447 */
448
0a7de745 449#define rdmsr(msr, lo, hi) \
55e303ae
A
450 __asm__ volatile("rdmsr" : "=a" (lo), "=d" (hi) : "c" (msr))
451
0a7de745 452#define wrmsr(msr, lo, hi) \
55e303ae
A
453 __asm__ volatile("wrmsr" : : "c" (msr), "a" (lo), "d" (hi))
454
0a7de745
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455#define rdtsc(lo, hi) \
456 __asm__ volatile("lfence; rdtsc" : "=a" (lo), "=d" (hi))
55e303ae 457
0a7de745 458#define rdtsc_nofence(lo, hi) \
fe8ab488
A
459 __asm__ volatile("rdtsc" : "=a" (lo), "=d" (hi))
460
0a7de745 461#define write_tsc(lo, hi) wrmsr(0x10, lo, hi)
55e303ae 462
0a7de745 463#define rdpmc(counter, lo, hi) \
55e303ae
A
464 __asm__ volatile("rdpmc" : "=a" (lo), "=d" (hi) : "c" (counter))
465
39236c6e
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466#ifdef XNU_KERNEL_PRIVATE
467extern void do_mfence(void);
468#define mfence() do_mfence()
469#endif
55e303ae 470
5ba3f43e 471#ifdef __LP64__
0a7de745
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472static inline uint64_t
473rdpmc64(uint32_t pmc)
55e303ae 474{
0a7de745 475 uint32_t lo = 0, hi = 0;
39236c6e
A
476 rdpmc(pmc, lo, hi);
477 return (((uint64_t)hi) << 32) | ((uint64_t)lo);
55e303ae 478}
91447636 479
0a7de745
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480static inline uint64_t
481rdmsr64(uint32_t msr)
b0d623f7 482{
0a7de745 483 uint32_t lo = 0, hi = 0;
b0d623f7
A
484 rdmsr(msr, lo, hi);
485 return (((uint64_t)hi) << 32) | ((uint64_t)lo);
486}
487
0a7de745
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488static inline void
489wrmsr64(uint32_t msr, uint64_t val)
b0d623f7
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490{
491 wrmsr(msr, (val & 0xFFFFFFFFUL), ((val >> 32) & 0xFFFFFFFFUL));
492}
493
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494static inline uint64_t
495rdtsc64(void)
b0d623f7 496{
6d2010ae 497 uint64_t lo, hi;
b0d623f7 498 rdtsc(lo, hi);
6d2010ae 499 return ((hi) << 32) | (lo);
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500}
501
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502static inline uint64_t
503rdtscp64(uint32_t *aux)
b0d623f7 504{
6d2010ae 505 uint64_t lo, hi;
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506 __asm__ volatile ("rdtscp; mov %%ecx, %1"
507 : "=a" (lo), "=d" (hi), "=m" (*aux)
508 :
509 : "ecx");
6d2010ae 510 return ((hi) << 32) | (lo);
b0d623f7 511}
5ba3f43e 512#endif /* __LP64__ */
b0d623f7 513
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514/*
515 * rdmsr_carefully() returns 0 when the MSR has been read successfully,
516 * or non-zero (1) if the MSR does not exist.
517 * The implementation is in locore.s.
518 */
519extern int rdmsr_carefully(uint32_t msr, uint32_t *lo, uint32_t *hi);
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520__END_DECLS
521
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522#endif /* ASSEMBLER */
523
524#define MSR_IA32_P5_MC_ADDR 0
525#define MSR_IA32_P5_MC_TYPE 1
526#define MSR_IA32_PLATFORM_ID 0x17
527#define MSR_IA32_EBL_CR_POWERON 0x2a
528
529#define MSR_IA32_APIC_BASE 0x1b
530#define MSR_IA32_APIC_BASE_BSP (1<<8)
531#define MSR_IA32_APIC_BASE_EXTENDED (1<<10)
532#define MSR_IA32_APIC_BASE_ENABLE (1<<11)
533#define MSR_IA32_APIC_BASE_BASE (0xfffff<<12)
534
535#define MSR_CORE_THREAD_COUNT 0x35
536
537#define MSR_IA32_FEATURE_CONTROL 0x3a
538#define MSR_IA32_FEATCTL_LOCK (1<<0)
539#define MSR_IA32_FEATCTL_VMXON_SMX (1<<1)
540#define MSR_IA32_FEATCTL_VMXON (1<<2)
541#define MSR_IA32_FEATCTL_CSTATE_SMI (1<<16)
542
543#define MSR_IA32_UPDT_TRIG 0x79
544#define MSR_IA32_BIOS_SIGN_ID 0x8b
545#define MSR_IA32_UCODE_WRITE MSR_IA32_UPDT_TRIG
546#define MSR_IA32_UCODE_REV MSR_IA32_BIOS_SIGN_ID
547
548#define MSR_IA32_PERFCTR0 0xc1
549#define MSR_IA32_PERFCTR1 0xc2
550#define MSR_IA32_PERFCTR3 0xc3
551#define MSR_IA32_PERFCTR4 0xc4
552
553#define MSR_PLATFORM_INFO 0xce
554
555#define MSR_IA32_MPERF 0xE7
556#define MSR_IA32_APERF 0xE8
557
558#define MSR_IA32_ARCH_CAPABILITIES 0x10a
559#define MSR_IA32_ARCH_CAPABILITIES_RDCL_NO (1ULL << 0)
560#define MSR_IA32_ARCH_CAPABILITIES_IBRS_ALL (1ULL << 1)
561#define MSR_IA32_ARCH_CAPABILITIES_RSBA (1ULL << 2)
562#define MSR_IA32_ARCH_CAPABILITIES_L1DF_NO (1ULL << 3)
563#define MSR_IA32_ARCH_CAPABILITIES_SSB_NO (1ULL << 4)
564#define MSR_IA32_ARCH_CAPABILITIES_MDS_NO (1ULL << 5)
565
566#define MSR_IA32_TSX_FORCE_ABORT 0x10f
567#define MSR_IA32_TSXFA_RTM_FORCE_ABORT (1ULL << 0) /* Bit 0 */
568
569#define MSR_IA32_BBL_CR_CTL 0x119
570
94ff46dc 571
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572#define MSR_IA32_SYSENTER_CS 0x174
573#define MSR_IA32_SYSENTER_ESP 0x175
574#define MSR_IA32_SYSENTER_EIP 0x176
575
576#define MSR_IA32_MCG_CAP 0x179
577#define MSR_IA32_MCG_STATUS 0x17a
578#define MSR_IA32_MCG_CTL 0x17b
579
580#define MSR_IA32_EVNTSEL0 0x186
581#define MSR_IA32_EVNTSEL1 0x187
582#define MSR_IA32_EVNTSEL2 0x188
583#define MSR_IA32_EVNTSEL3 0x189
584
585#define MSR_FLEX_RATIO 0x194
586#define MSR_IA32_PERF_STS 0x198
587#define MSR_IA32_PERF_CTL 0x199
588#define MSR_IA32_CLOCK_MODULATION 0x19a
589
590#define MSR_IA32_MISC_ENABLE 0x1a0
591
592
593#define MSR_IA32_PACKAGE_THERM_STATUS 0x1b1
594#define MSR_IA32_PACKAGE_THERM_INTERRUPT 0x1b2
595
596#define MSR_IA32_DEBUGCTLMSR 0x1d9
597#define MSR_IA32_LASTBRANCHFROMIP 0x1db
598#define MSR_IA32_LASTBRANCHTOIP 0x1dc
599#define MSR_IA32_LASTINTFROMIP 0x1dd
600#define MSR_IA32_LASTINTTOIP 0x1de
601
602#define MSR_IA32_CR_PAT 0x277
603
604#define MSR_IA32_MTRRCAP 0xfe
605#define MSR_IA32_MTRR_DEF_TYPE 0x2ff
606#define MSR_IA32_MTRR_PHYSBASE(n) (0x200 + 2*(n))
607#define MSR_IA32_MTRR_PHYSMASK(n) (0x200 + 2*(n) + 1)
608#define MSR_IA32_MTRR_FIX64K_00000 0x250
609#define MSR_IA32_MTRR_FIX16K_80000 0x258
610#define MSR_IA32_MTRR_FIX16K_A0000 0x259
611#define MSR_IA32_MTRR_FIX4K_C0000 0x268
612#define MSR_IA32_MTRR_FIX4K_C8000 0x269
613#define MSR_IA32_MTRR_FIX4K_D0000 0x26a
614#define MSR_IA32_MTRR_FIX4K_D8000 0x26b
615#define MSR_IA32_MTRR_FIX4K_E0000 0x26c
616#define MSR_IA32_MTRR_FIX4K_E8000 0x26d
617#define MSR_IA32_MTRR_FIX4K_F0000 0x26e
618#define MSR_IA32_MTRR_FIX4K_F8000 0x26f
619
620#define MSR_IA32_PERF_FIXED_CTR0 0x309
621
622#define MSR_IA32_PERF_FIXED_CTR_CTRL 0x38D
623#define MSR_IA32_PERF_GLOBAL_STATUS 0x38E
624#define MSR_IA32_PERF_GLOBAL_CTRL 0x38F
625#define MSR_IA32_PERF_GLOBAL_OVF_CTRL 0x390
626
627#define MSR_IA32_PKG_C3_RESIDENCY 0x3F8
628#define MSR_IA32_PKG_C6_RESIDENCY 0x3F9
629#define MSR_IA32_PKG_C7_RESIDENCY 0x3FA
630
631#define MSR_IA32_CORE_C3_RESIDENCY 0x3FC
632#define MSR_IA32_CORE_C6_RESIDENCY 0x3FD
633#define MSR_IA32_CORE_C7_RESIDENCY 0x3FE
634
635#define MSR_IA32_MC0_CTL 0x400
636#define MSR_IA32_MC0_STATUS 0x401
637#define MSR_IA32_MC0_ADDR 0x402
638#define MSR_IA32_MC0_MISC 0x403
639
640#define MSR_IA32_VMX_BASE 0x480
641#define MSR_IA32_VMX_BASIC MSR_IA32_VMX_BASE
642#define MSR_IA32_VMX_PINBASED_CTLS MSR_IA32_VMX_BASE+1
643#define MSR_IA32_VMX_PROCBASED_CTLS MSR_IA32_VMX_BASE+2
644#define MSR_IA32_VMX_EXIT_CTLS MSR_IA32_VMX_BASE+3
645#define MSR_IA32_VMX_ENTRY_CTLS MSR_IA32_VMX_BASE+4
646#define MSR_IA32_VMX_MISC MSR_IA32_VMX_BASE+5
647#define MSR_IA32_VMX_CR0_FIXED0 MSR_IA32_VMX_BASE+6
648#define MSR_IA32_VMX_CR0_FIXED1 MSR_IA32_VMX_BASE+7
649#define MSR_IA32_VMX_CR4_FIXED0 MSR_IA32_VMX_BASE+8
650#define MSR_IA32_VMX_CR4_FIXED1 MSR_IA32_VMX_BASE+9
651#define MSR_IA32_VMX_VMCS_ENUM MSR_IA32_VMX_BASE+10
652#define MSR_IA32_VMX_PROCBASED_CTLS2 MSR_IA32_VMX_BASE+11
653#define MSR_IA32_VMX_EPT_VPID_CAP MSR_IA32_VMX_BASE+12
654#define MSR_IA32_VMX_EPT_VPID_CAP_AD_SHIFT 21
655#define MSR_IA32_VMX_TRUE_PINBASED_CTLS MSR_IA32_VMX_BASE+13
656#define MSR_IA32_VMX_TRUE_PROCBASED_CTLS MSR_IA32_VMX_BASE+14
657#define MSR_IA32_VMX_TRUE_VMEXIT_CTLS MSR_IA32_VMX_BASE+15
658#define MSR_IA32_VMX_TRUE_VMENTRY_CTLS MSR_IA32_VMX_BASE+16
659#define MSR_IA32_VMX_VMFUNC MSR_IA32_VMX_BASE+17
660
661#define MSR_IA32_DS_AREA 0x600
662
663#define MSR_IA32_PKG_POWER_SKU_UNIT 0x606
664#define MSR_IA32_PKG_C2_RESIDENCY 0x60D
665#define MSR_IA32_PKG_ENERGY_STATUS 0x611
666#define MSR_IA32_DDR_ENERGY_STATUS 0x619
667#define MSR_IA32_LLC_FLUSHED_RESIDENCY_TIMER 0x61D
668#define MSR_IA32_RING_PERF_STATUS 0x621
669
670#define MSR_IA32_PKG_C8_RESIDENCY 0x630
671#define MSR_IA32_PKG_C9_RESIDENCY 0x631
672#define MSR_IA32_PKG_C10_RESIDENCY 0x632
673
674#define MSR_IA32_PP0_ENERGY_STATUS 0x639
675#define MSR_IA32_PP1_ENERGY_STATUS 0x641
676#define MSR_IA32_IA_PERF_LIMIT_REASONS_SKL 0x64F
677
678#define MSR_IA32_IA_PERF_LIMIT_REASONS 0x690
679#define MSR_IA32_GT_PERF_LIMIT_REASONS 0x6B0
680
681#define MSR_IA32_TSC_DEADLINE 0x6e0
682
683#define MSR_IA32_EFER 0xC0000080
684#define MSR_IA32_EFER_SCE 0x00000001
685#define MSR_IA32_EFER_LME 0x00000100
686#define MSR_IA32_EFER_LMA 0x00000400
687#define MSR_IA32_EFER_NXE 0x00000800
688
689#define MSR_IA32_STAR 0xC0000081
690#define MSR_IA32_LSTAR 0xC0000082
691#define MSR_IA32_CSTAR 0xC0000083
692#define MSR_IA32_FMASK 0xC0000084
693
694#define MSR_IA32_FS_BASE 0xC0000100
695#define MSR_IA32_GS_BASE 0xC0000101
696#define MSR_IA32_KERNEL_GS_BASE 0xC0000102
697#define MSR_IA32_TSC_AUX 0xC0000103
698
699#define HV_VMX_EPTP_MEMORY_TYPE_UC 0x0
700#define HV_VMX_EPTP_MEMORY_TYPE_WB 0x6
701#define HV_VMX_EPTP_WALK_LENGTH(wl) (0ULL | ((((wl) - 1) & 0x7) << 3))
702#define HV_VMX_EPTP_ENABLE_AD_FLAGS (1ULL << 6)
703
704#endif /* _I386_PROC_REG_H_ */