1 /*
2 * i386 virtual CPU header
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #ifndef I386_CPU_H
21 #define I386_CPU_H
22
23 #include "sysemu/tcg.h"
24 #include "cpu-qom.h"
25 #include "kvm/hyperv-proto.h"
26 #include "exec/cpu-defs.h"
27 #include "hw/i386/topology.h"
28 #include "qapi/qapi-types-common.h"
29 #include "qemu/cpu-float.h"
30 #include "qemu/timer.h"
31
32 #define XEN_NR_VIRQS 24
33
34 #define KVM_HAVE_MCE_INJECTION 1
35
36 /* support for self modifying code even if the modified instruction is
37 close to the modifying instruction */
38 #define TARGET_HAS_PRECISE_SMC
39
40 #ifdef TARGET_X86_64
41 #define I386_ELF_MACHINE EM_X86_64
42 #define ELF_MACHINE_UNAME "x86_64"
43 #else
44 #define I386_ELF_MACHINE EM_386
45 #define ELF_MACHINE_UNAME "i686"
46 #endif
47
48 enum {
49 R_EAX = 0,
50 R_ECX = 1,
51 R_EDX = 2,
52 R_EBX = 3,
53 R_ESP = 4,
54 R_EBP = 5,
55 R_ESI = 6,
56 R_EDI = 7,
57 R_R8 = 8,
58 R_R9 = 9,
59 R_R10 = 10,
60 R_R11 = 11,
61 R_R12 = 12,
62 R_R13 = 13,
63 R_R14 = 14,
64 R_R15 = 15,
65
66 R_AL = 0,
67 R_CL = 1,
68 R_DL = 2,
69 R_BL = 3,
70 R_AH = 4,
71 R_CH = 5,
72 R_DH = 6,
73 R_BH = 7,
74 };
75
76 typedef enum X86Seg {
77 R_ES = 0,
78 R_CS = 1,
79 R_SS = 2,
80 R_DS = 3,
81 R_FS = 4,
82 R_GS = 5,
83 R_LDTR = 6,
84 R_TR = 7,
85 } X86Seg;
86
87 /* segment descriptor fields */
88 #define DESC_G_SHIFT 23
89 #define DESC_G_MASK (1 << DESC_G_SHIFT)
90 #define DESC_B_SHIFT 22
91 #define DESC_B_MASK (1 << DESC_B_SHIFT)
92 #define DESC_L_SHIFT 21 /* x86_64 only : 64 bit code segment */
93 #define DESC_L_MASK (1 << DESC_L_SHIFT)
94 #define DESC_AVL_SHIFT 20
95 #define DESC_AVL_MASK (1 << DESC_AVL_SHIFT)
96 #define DESC_P_SHIFT 15
97 #define DESC_P_MASK (1 << DESC_P_SHIFT)
98 #define DESC_DPL_SHIFT 13
99 #define DESC_DPL_MASK (3 << DESC_DPL_SHIFT)
100 #define DESC_S_SHIFT 12
101 #define DESC_S_MASK (1 << DESC_S_SHIFT)
102 #define DESC_TYPE_SHIFT 8
103 #define DESC_TYPE_MASK (15 << DESC_TYPE_SHIFT)
104 #define DESC_A_MASK (1 << 8)
105
106 #define DESC_CS_MASK (1 << 11) /* 1=code segment 0=data segment */
107 #define DESC_C_MASK (1 << 10) /* code: conforming */
108 #define DESC_R_MASK (1 << 9) /* code: readable */
109
110 #define DESC_E_MASK (1 << 10) /* data: expansion direction */
111 #define DESC_W_MASK (1 << 9) /* data: writable */
112
113 #define DESC_TSS_BUSY_MASK (1 << 9)
114
115 /* eflags masks */
116 #define CC_C 0x0001
117 #define CC_P 0x0004
118 #define CC_A 0x0010
119 #define CC_Z 0x0040
120 #define CC_S 0x0080
121 #define CC_O 0x0800
122
123 #define TF_SHIFT 8
124 #define IOPL_SHIFT 12
125 #define VM_SHIFT 17
126
127 #define TF_MASK 0x00000100
128 #define IF_MASK 0x00000200
129 #define DF_MASK 0x00000400
130 #define IOPL_MASK 0x00003000
131 #define NT_MASK 0x00004000
132 #define RF_MASK 0x00010000
133 #define VM_MASK 0x00020000
134 #define AC_MASK 0x00040000
135 #define VIF_MASK 0x00080000
136 #define VIP_MASK 0x00100000
137 #define ID_MASK 0x00200000
138
139 /* hidden flags - used internally by qemu to represent additional cpu
140 states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
141 avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
142 positions to ease oring with eflags. */
143 /* current cpl */
144 #define HF_CPL_SHIFT 0
145 /* true if hardware interrupts must be disabled for next instruction */
146 #define HF_INHIBIT_IRQ_SHIFT 3
147 /* 16 or 32 segments */
148 #define HF_CS32_SHIFT 4
149 #define HF_SS32_SHIFT 5
150 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
151 #define HF_ADDSEG_SHIFT 6
152 /* copy of CR0.PE (protected mode) */
153 #define HF_PE_SHIFT 7
154 #define HF_TF_SHIFT 8 /* must be same as eflags */
155 #define HF_MP_SHIFT 9 /* the order must be MP, EM, TS */
156 #define HF_EM_SHIFT 10
157 #define HF_TS_SHIFT 11
158 #define HF_IOPL_SHIFT 12 /* must be same as eflags */
159 #define HF_LMA_SHIFT 14 /* only used on x86_64: long mode active */
160 #define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */
161 #define HF_RF_SHIFT 16 /* must be same as eflags */
162 #define HF_VM_SHIFT 17 /* must be same as eflags */
163 #define HF_AC_SHIFT 18 /* must be same as eflags */
164 #define HF_SMM_SHIFT 19 /* CPU in SMM mode */
165 #define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */
166 #define HF_GUEST_SHIFT 21 /* SVM intercepts are active */
167 #define HF_OSFXSR_SHIFT 22 /* CR4.OSFXSR */
168 #define HF_SMAP_SHIFT 23 /* CR4.SMAP */
169 #define HF_IOBPT_SHIFT 24 /* an io breakpoint enabled */
170 #define HF_MPX_EN_SHIFT 25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
171 #define HF_MPX_IU_SHIFT 26 /* BND registers in-use */
172 #define HF_UMIP_SHIFT 27 /* CR4.UMIP */
173 #define HF_AVX_EN_SHIFT 28 /* AVX Enabled (CR4+XCR0) */
174
175 #define HF_CPL_MASK (3 << HF_CPL_SHIFT)
176 #define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT)
177 #define HF_CS32_MASK (1 << HF_CS32_SHIFT)
178 #define HF_SS32_MASK (1 << HF_SS32_SHIFT)
179 #define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT)
180 #define HF_PE_MASK (1 << HF_PE_SHIFT)
181 #define HF_TF_MASK (1 << HF_TF_SHIFT)
182 #define HF_MP_MASK (1 << HF_MP_SHIFT)
183 #define HF_EM_MASK (1 << HF_EM_SHIFT)
184 #define HF_TS_MASK (1 << HF_TS_SHIFT)
185 #define HF_IOPL_MASK (3 << HF_IOPL_SHIFT)
186 #define HF_LMA_MASK (1 << HF_LMA_SHIFT)
187 #define HF_CS64_MASK (1 << HF_CS64_SHIFT)
188 #define HF_RF_MASK (1 << HF_RF_SHIFT)
189 #define HF_VM_MASK (1 << HF_VM_SHIFT)
190 #define HF_AC_MASK (1 << HF_AC_SHIFT)
191 #define HF_SMM_MASK (1 << HF_SMM_SHIFT)
192 #define HF_SVME_MASK (1 << HF_SVME_SHIFT)
193 #define HF_GUEST_MASK (1 << HF_GUEST_SHIFT)
194 #define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT)
195 #define HF_SMAP_MASK (1 << HF_SMAP_SHIFT)
196 #define HF_IOBPT_MASK (1 << HF_IOBPT_SHIFT)
197 #define HF_MPX_EN_MASK (1 << HF_MPX_EN_SHIFT)
198 #define HF_MPX_IU_MASK (1 << HF_MPX_IU_SHIFT)
199 #define HF_UMIP_MASK (1 << HF_UMIP_SHIFT)
200 #define HF_AVX_EN_MASK (1 << HF_AVX_EN_SHIFT)
201
202 /* hflags2 */
203
204 #define HF2_GIF_SHIFT 0 /* if set CPU takes interrupts */
205 #define HF2_HIF_SHIFT 1 /* value of IF_MASK when entering SVM */
206 #define HF2_NMI_SHIFT 2 /* CPU serving NMI */
207 #define HF2_VINTR_SHIFT 3 /* value of V_INTR_MASKING bit */
208 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
209 #define HF2_MPX_PR_SHIFT 5 /* BNDCFGx.BNDPRESERVE */
210 #define HF2_NPT_SHIFT 6 /* Nested Paging enabled */
211 #define HF2_IGNNE_SHIFT 7 /* Ignore CR0.NE=0 */
212 #define HF2_VGIF_SHIFT 8 /* Can take VIRQ*/
213
214 #define HF2_GIF_MASK (1 << HF2_GIF_SHIFT)
215 #define HF2_HIF_MASK (1 << HF2_HIF_SHIFT)
216 #define HF2_NMI_MASK (1 << HF2_NMI_SHIFT)
217 #define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT)
218 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
219 #define HF2_MPX_PR_MASK (1 << HF2_MPX_PR_SHIFT)
220 #define HF2_NPT_MASK (1 << HF2_NPT_SHIFT)
221 #define HF2_IGNNE_MASK (1 << HF2_IGNNE_SHIFT)
222 #define HF2_VGIF_MASK (1 << HF2_VGIF_SHIFT)
223
224 #define CR0_PE_SHIFT 0
225 #define CR0_MP_SHIFT 1
226
227 #define CR0_PE_MASK (1U << 0)
228 #define CR0_MP_MASK (1U << 1)
229 #define CR0_EM_MASK (1U << 2)
230 #define CR0_TS_MASK (1U << 3)
231 #define CR0_ET_MASK (1U << 4)
232 #define CR0_NE_MASK (1U << 5)
233 #define CR0_WP_MASK (1U << 16)
234 #define CR0_AM_MASK (1U << 18)
235 #define CR0_NW_MASK (1U << 29)
236 #define CR0_CD_MASK (1U << 30)
237 #define CR0_PG_MASK (1U << 31)
238
239 #define CR4_VME_MASK (1U << 0)
240 #define CR4_PVI_MASK (1U << 1)
241 #define CR4_TSD_MASK (1U << 2)
242 #define CR4_DE_MASK (1U << 3)
243 #define CR4_PSE_MASK (1U << 4)
244 #define CR4_PAE_MASK (1U << 5)
245 #define CR4_MCE_MASK (1U << 6)
246 #define CR4_PGE_MASK (1U << 7)
247 #define CR4_PCE_MASK (1U << 8)
248 #define CR4_OSFXSR_SHIFT 9
249 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
250 #define CR4_OSXMMEXCPT_MASK (1U << 10)
251 #define CR4_UMIP_MASK (1U << 11)
252 #define CR4_LA57_MASK (1U << 12)
253 #define CR4_VMXE_MASK (1U << 13)
254 #define CR4_SMXE_MASK (1U << 14)
255 #define CR4_FSGSBASE_MASK (1U << 16)
256 #define CR4_PCIDE_MASK (1U << 17)
257 #define CR4_OSXSAVE_MASK (1U << 18)
258 #define CR4_SMEP_MASK (1U << 20)
259 #define CR4_SMAP_MASK (1U << 21)
260 #define CR4_PKE_MASK (1U << 22)
261 #define CR4_PKS_MASK (1U << 24)
262 #define CR4_LAM_SUP_MASK (1U << 28)
263
264 #ifdef TARGET_X86_64
265 #define CR4_FRED_MASK (1ULL << 32)
266 #else
267 #define CR4_FRED_MASK 0
268 #endif
269
270 #ifdef TARGET_X86_64
271 #define CR4_FRED_MASK (1ULL << 32)
272 #else
273 #define CR4_FRED_MASK 0
274 #endif
275
276 #define CR4_RESERVED_MASK \
277 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
278 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
279 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
280 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK | CR4_UMIP_MASK \
281 | CR4_LA57_MASK \
282 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
283 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK \
284 | CR4_LAM_SUP_MASK | CR4_FRED_MASK))
285
286 #define DR6_BD (1 << 13)
287 #define DR6_BS (1 << 14)
288 #define DR6_BT (1 << 15)
289 #define DR6_FIXED_1 0xffff0ff0
290
291 #define DR7_GD (1 << 13)
292 #define DR7_TYPE_SHIFT 16
293 #define DR7_LEN_SHIFT 18
294 #define DR7_FIXED_1 0x00000400
295 #define DR7_GLOBAL_BP_MASK 0xaa
296 #define DR7_LOCAL_BP_MASK 0x55
297 #define DR7_MAX_BP 4
298 #define DR7_TYPE_BP_INST 0x0
299 #define DR7_TYPE_DATA_WR 0x1
300 #define DR7_TYPE_IO_RW 0x2
301 #define DR7_TYPE_DATA_RW 0x3
302
303 #define DR_RESERVED_MASK 0xffffffff00000000ULL
304
305 #define PG_PRESENT_BIT 0
306 #define PG_RW_BIT 1
307 #define PG_USER_BIT 2
308 #define PG_PWT_BIT 3
309 #define PG_PCD_BIT 4
310 #define PG_ACCESSED_BIT 5
311 #define PG_DIRTY_BIT 6
312 #define PG_PSE_BIT 7
313 #define PG_GLOBAL_BIT 8
314 #define PG_PSE_PAT_BIT 12
315 #define PG_PKRU_BIT 59
316 #define PG_NX_BIT 63
317
318 #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT)
319 #define PG_RW_MASK (1 << PG_RW_BIT)
320 #define PG_USER_MASK (1 << PG_USER_BIT)
321 #define PG_PWT_MASK (1 << PG_PWT_BIT)
322 #define PG_PCD_MASK (1 << PG_PCD_BIT)
323 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
324 #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT)
325 #define PG_PSE_MASK (1 << PG_PSE_BIT)
326 #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT)
327 #define PG_PSE_PAT_MASK (1 << PG_PSE_PAT_BIT)
328 #define PG_ADDRESS_MASK 0x000ffffffffff000LL
329 #define PG_HI_USER_MASK 0x7ff0000000000000LL
330 #define PG_PKRU_MASK (15ULL << PG_PKRU_BIT)
331 #define PG_NX_MASK (1ULL << PG_NX_BIT)
332
333 #define PG_ERROR_W_BIT 1
334
335 #define PG_ERROR_P_MASK 0x01
336 #define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT)
337 #define PG_ERROR_U_MASK 0x04
338 #define PG_ERROR_RSVD_MASK 0x08
339 #define PG_ERROR_I_D_MASK 0x10
340 #define PG_ERROR_PK_MASK 0x20
341
342 #define PG_MODE_PAE (1 << 0)
343 #define PG_MODE_LMA (1 << 1)
344 #define PG_MODE_NXE (1 << 2)
345 #define PG_MODE_PSE (1 << 3)
346 #define PG_MODE_LA57 (1 << 4)
347 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15)
348
349 /* Bits of CR4 that do not affect the NPT page format. */
350 #define PG_MODE_WP (1 << 16)
351 #define PG_MODE_PKE (1 << 17)
352 #define PG_MODE_PKS (1 << 18)
353 #define PG_MODE_SMEP (1 << 19)
354 #define PG_MODE_PG (1 << 20)
355
356 #define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */
357 #define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */
358 #define MCG_LMCE_P (1ULL<<27) /* Local Machine Check Supported */
359
360 #define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P)
361 #define MCE_BANKS_DEF 10
362
363 #define MCG_CAP_BANKS_MASK 0xff
364
365 #define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */
366 #define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */
367 #define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */
368 #define MCG_STATUS_LMCE (1ULL<<3) /* Local MCE signaled */
369
370 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
371
372 #define MCI_STATUS_VAL (1ULL<<63) /* valid error */
373 #define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */
374 #define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */
375 #define MCI_STATUS_EN (1ULL<<60) /* error enabled */
376 #define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */
377 #define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */
378 #define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */
379 #define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */
380 #define MCI_STATUS_AR (1ULL<<55) /* Action required */
381 #define MCI_STATUS_DEFERRED (1ULL<<44) /* Deferred error */
382 #define MCI_STATUS_POISON (1ULL<<43) /* Poisoned data consumed */
383
384 /* MISC register defines */
385 #define MCM_ADDR_SEGOFF 0 /* segment offset */
386 #define MCM_ADDR_LINEAR 1 /* linear address */
387 #define MCM_ADDR_PHYS 2 /* physical address */
388 #define MCM_ADDR_MEM 3 /* memory address */
389 #define MCM_ADDR_GENERIC 7 /* generic */
390
391 #define MSR_IA32_TSC 0x10
392 #define MSR_IA32_APICBASE 0x1b
393 #define MSR_IA32_APICBASE_BSP (1<<8)
394 #define MSR_IA32_APICBASE_ENABLE (1<<11)
395 #define MSR_IA32_APICBASE_EXTD (1 << 10)
396 #define MSR_IA32_APICBASE_BASE (0xfffffU<<12)
397 #define MSR_IA32_APICBASE_RESERVED \
398 (~(uint64_t)(MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE \
399 | MSR_IA32_APICBASE_EXTD | MSR_IA32_APICBASE_BASE))
400
401 #define MSR_IA32_FEATURE_CONTROL 0x0000003a
402 #define MSR_TSC_ADJUST 0x0000003b
403 #define MSR_IA32_SPEC_CTRL 0x48
404 #define MSR_VIRT_SSBD 0xc001011f
405 #define MSR_IA32_PRED_CMD 0x49
406 #define MSR_IA32_UCODE_REV 0x8b
407 #define MSR_IA32_CORE_CAPABILITY 0xcf
408
409 #define MSR_IA32_ARCH_CAPABILITIES 0x10a
410 #define ARCH_CAP_TSX_CTRL_MSR (1<<7)
411
412 #define MSR_IA32_PERF_CAPABILITIES 0x345
413 #define PERF_CAP_LBR_FMT 0x3f
414
415 #define MSR_IA32_TSX_CTRL 0x122
416 #define MSR_IA32_TSCDEADLINE 0x6e0
417 #define MSR_IA32_PKRS 0x6e1
418 #define MSR_RAPL_POWER_UNIT 0x00000606
419 #define MSR_PKG_POWER_LIMIT 0x00000610
420 #define MSR_PKG_ENERGY_STATUS 0x00000611
421 #define MSR_PKG_POWER_INFO 0x00000614
422 #define MSR_ARCH_LBR_CTL 0x000014ce
423 #define MSR_ARCH_LBR_DEPTH 0x000014cf
424 #define MSR_ARCH_LBR_FROM_0 0x00001500
425 #define MSR_ARCH_LBR_TO_0 0x00001600
426 #define MSR_ARCH_LBR_INFO_0 0x00001200
427
428 #define FEATURE_CONTROL_LOCKED (1<<0)
429 #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX (1ULL << 1)
430 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
431 #define FEATURE_CONTROL_SGX_LC (1ULL << 17)
432 #define FEATURE_CONTROL_SGX (1ULL << 18)
433 #define FEATURE_CONTROL_LMCE (1<<20)
434
435 #define MSR_IA32_SGXLEPUBKEYHASH0 0x8c
436 #define MSR_IA32_SGXLEPUBKEYHASH1 0x8d
437 #define MSR_IA32_SGXLEPUBKEYHASH2 0x8e
438 #define MSR_IA32_SGXLEPUBKEYHASH3 0x8f
439
440 #define MSR_P6_PERFCTR0 0xc1
441
442 #define MSR_IA32_SMBASE 0x9e
443 #define MSR_SMI_COUNT 0x34
444 #define MSR_CORE_THREAD_COUNT 0x35
445 #define MSR_MTRRcap 0xfe
446 #define MSR_MTRRcap_VCNT 8
447 #define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8)
448 #define MSR_MTRRcap_WC_SUPPORTED (1 << 10)
449
450 #define MSR_IA32_SYSENTER_CS 0x174
451 #define MSR_IA32_SYSENTER_ESP 0x175
452 #define MSR_IA32_SYSENTER_EIP 0x176
453
454 #define MSR_MCG_CAP 0x179
455 #define MSR_MCG_STATUS 0x17a
456 #define MSR_MCG_CTL 0x17b
457 #define MSR_MCG_EXT_CTL 0x4d0
458
459 #define MSR_P6_EVNTSEL0 0x186
460
461 #define MSR_IA32_PERF_STATUS 0x198
462
463 #define MSR_IA32_MISC_ENABLE 0x1a0
464 /* Indicates good rep/movs microcode on some processors: */
465 #define MSR_IA32_MISC_ENABLE_DEFAULT 1
466 #define MSR_IA32_MISC_ENABLE_MWAIT (1ULL << 18)
467
468 #define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg))
469 #define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1)
470
471 #define MSR_MTRRphysIndex(addr) ((((addr) & ~1u) - 0x200) / 2)
472
473 #define MSR_MTRRfix64K_00000 0x250
474 #define MSR_MTRRfix16K_80000 0x258
475 #define MSR_MTRRfix16K_A0000 0x259
476 #define MSR_MTRRfix4K_C0000 0x268
477 #define MSR_MTRRfix4K_C8000 0x269
478 #define MSR_MTRRfix4K_D0000 0x26a
479 #define MSR_MTRRfix4K_D8000 0x26b
480 #define MSR_MTRRfix4K_E0000 0x26c
481 #define MSR_MTRRfix4K_E8000 0x26d
482 #define MSR_MTRRfix4K_F0000 0x26e
483 #define MSR_MTRRfix4K_F8000 0x26f
484
485 #define MSR_PAT 0x277
486
487 #define MSR_MTRRdefType 0x2ff
488
489 #define MSR_CORE_PERF_FIXED_CTR0 0x309
490 #define MSR_CORE_PERF_FIXED_CTR1 0x30a
491 #define MSR_CORE_PERF_FIXED_CTR2 0x30b
492 #define MSR_CORE_PERF_FIXED_CTR_CTRL 0x38d
493 #define MSR_CORE_PERF_GLOBAL_STATUS 0x38e
494 #define MSR_CORE_PERF_GLOBAL_CTRL 0x38f
495 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL 0x390
496
497 #define MSR_MC0_CTL 0x400
498 #define MSR_MC0_STATUS 0x401
499 #define MSR_MC0_ADDR 0x402
500 #define MSR_MC0_MISC 0x403
501
502 #define MSR_IA32_RTIT_OUTPUT_BASE 0x560
503 #define MSR_IA32_RTIT_OUTPUT_MASK 0x561
504 #define MSR_IA32_RTIT_CTL 0x570
505 #define MSR_IA32_RTIT_STATUS 0x571
506 #define MSR_IA32_RTIT_CR3_MATCH 0x572
507 #define MSR_IA32_RTIT_ADDR0_A 0x580
508 #define MSR_IA32_RTIT_ADDR0_B 0x581
509 #define MSR_IA32_RTIT_ADDR1_A 0x582
510 #define MSR_IA32_RTIT_ADDR1_B 0x583
511 #define MSR_IA32_RTIT_ADDR2_A 0x584
512 #define MSR_IA32_RTIT_ADDR2_B 0x585
513 #define MSR_IA32_RTIT_ADDR3_A 0x586
514 #define MSR_IA32_RTIT_ADDR3_B 0x587
515 #define MAX_RTIT_ADDRS 8
516
517 #define MSR_EFER 0xc0000080
518
519 #define MSR_EFER_SCE (1 << 0)
520 #define MSR_EFER_LME (1 << 8)
521 #define MSR_EFER_LMA (1 << 10)
522 #define MSR_EFER_NXE (1 << 11)
523 #define MSR_EFER_SVME (1 << 12)
524 #define MSR_EFER_FFXSR (1 << 14)
525
526 #define MSR_EFER_RESERVED\
527 (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\
528 | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\
529 | MSR_EFER_FFXSR))
530
531 #define MSR_STAR 0xc0000081
532 #define MSR_LSTAR 0xc0000082
533 #define MSR_CSTAR 0xc0000083
534 #define MSR_FMASK 0xc0000084
535 #define MSR_FSBASE 0xc0000100
536 #define MSR_GSBASE 0xc0000101
537 #define MSR_KERNELGSBASE 0xc0000102
538 #define MSR_TSC_AUX 0xc0000103
539 #define MSR_AMD64_TSC_RATIO 0xc0000104
540
541 #define MSR_AMD64_TSC_RATIO_DEFAULT 0x100000000ULL
542
543 #define MSR_VM_HSAVE_PA 0xc0010117
544
545 #define MSR_IA32_XFD 0x000001c4
546 #define MSR_IA32_XFD_ERR 0x000001c5
547
548 /* FRED MSRs */
549 #define MSR_IA32_FRED_RSP0 0x000001cc /* Stack level 0 regular stack pointer */
550 #define MSR_IA32_FRED_RSP1 0x000001cd /* Stack level 1 regular stack pointer */
551 #define MSR_IA32_FRED_RSP2 0x000001ce /* Stack level 2 regular stack pointer */
552 #define MSR_IA32_FRED_RSP3 0x000001cf /* Stack level 3 regular stack pointer */
553 #define MSR_IA32_FRED_STKLVLS 0x000001d0 /* FRED exception stack levels */
554 #define MSR_IA32_FRED_SSP1 0x000001d1 /* Stack level 1 shadow stack pointer in ring 0 */
555 #define MSR_IA32_FRED_SSP2 0x000001d2 /* Stack level 2 shadow stack pointer in ring 0 */
556 #define MSR_IA32_FRED_SSP3 0x000001d3 /* Stack level 3 shadow stack pointer in ring 0 */
557 #define MSR_IA32_FRED_CONFIG 0x000001d4 /* FRED Entrypoint and interrupt stack level */
558
559 #define MSR_IA32_BNDCFGS 0x00000d90
560 #define MSR_IA32_XSS 0x00000da0
561 #define MSR_IA32_UMWAIT_CONTROL 0xe1
562
563 #define MSR_IA32_VMX_BASIC 0x00000480
564 #define MSR_IA32_VMX_PINBASED_CTLS 0x00000481
565 #define MSR_IA32_VMX_PROCBASED_CTLS 0x00000482
566 #define MSR_IA32_VMX_EXIT_CTLS 0x00000483
567 #define MSR_IA32_VMX_ENTRY_CTLS 0x00000484
568 #define MSR_IA32_VMX_MISC 0x00000485
569 #define MSR_IA32_VMX_CR0_FIXED0 0x00000486
570 #define MSR_IA32_VMX_CR0_FIXED1 0x00000487
571 #define MSR_IA32_VMX_CR4_FIXED0 0x00000488
572 #define MSR_IA32_VMX_CR4_FIXED1 0x00000489
573 #define MSR_IA32_VMX_VMCS_ENUM 0x0000048a
574 #define MSR_IA32_VMX_PROCBASED_CTLS2 0x0000048b
575 #define MSR_IA32_VMX_EPT_VPID_CAP 0x0000048c
576 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS 0x0000048d
577 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
578 #define MSR_IA32_VMX_TRUE_EXIT_CTLS 0x0000048f
579 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS 0x00000490
580 #define MSR_IA32_VMX_VMFUNC 0x00000491
581
582 #define MSR_APIC_START 0x00000800
583 #define MSR_APIC_END 0x000008ff
584
585 #define XSTATE_FP_BIT 0
586 #define XSTATE_SSE_BIT 1
587 #define XSTATE_YMM_BIT 2
588 #define XSTATE_BNDREGS_BIT 3
589 #define XSTATE_BNDCSR_BIT 4
590 #define XSTATE_OPMASK_BIT 5
591 #define XSTATE_ZMM_Hi256_BIT 6
592 #define XSTATE_Hi16_ZMM_BIT 7
593 #define XSTATE_PKRU_BIT 9
594 #define XSTATE_ARCH_LBR_BIT 15
595 #define XSTATE_XTILE_CFG_BIT 17
596 #define XSTATE_XTILE_DATA_BIT 18
597
598 #define XSTATE_FP_MASK (1ULL << XSTATE_FP_BIT)
599 #define XSTATE_SSE_MASK (1ULL << XSTATE_SSE_BIT)
600 #define XSTATE_YMM_MASK (1ULL << XSTATE_YMM_BIT)
601 #define XSTATE_BNDREGS_MASK (1ULL << XSTATE_BNDREGS_BIT)
602 #define XSTATE_BNDCSR_MASK (1ULL << XSTATE_BNDCSR_BIT)
603 #define XSTATE_OPMASK_MASK (1ULL << XSTATE_OPMASK_BIT)
604 #define XSTATE_ZMM_Hi256_MASK (1ULL << XSTATE_ZMM_Hi256_BIT)
605 #define XSTATE_Hi16_ZMM_MASK (1ULL << XSTATE_Hi16_ZMM_BIT)
606 #define XSTATE_PKRU_MASK (1ULL << XSTATE_PKRU_BIT)
607 #define XSTATE_ARCH_LBR_MASK (1ULL << XSTATE_ARCH_LBR_BIT)
608 #define XSTATE_XTILE_CFG_MASK (1ULL << XSTATE_XTILE_CFG_BIT)
609 #define XSTATE_XTILE_DATA_MASK (1ULL << XSTATE_XTILE_DATA_BIT)
610
611 #define XSTATE_DYNAMIC_MASK (XSTATE_XTILE_DATA_MASK)
612
613 #define ESA_FEATURE_ALIGN64_BIT 1
614 #define ESA_FEATURE_XFD_BIT 2
615
616 #define ESA_FEATURE_ALIGN64_MASK (1U << ESA_FEATURE_ALIGN64_BIT)
617 #define ESA_FEATURE_XFD_MASK (1U << ESA_FEATURE_XFD_BIT)
618
619
620 /* CPUID feature bits available in XCR0 */
621 #define CPUID_XSTATE_XCR0_MASK (XSTATE_FP_MASK | XSTATE_SSE_MASK | \
622 XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | \
623 XSTATE_BNDCSR_MASK | XSTATE_OPMASK_MASK | \
624 XSTATE_ZMM_Hi256_MASK | \
625 XSTATE_Hi16_ZMM_MASK | XSTATE_PKRU_MASK | \
626 XSTATE_XTILE_CFG_MASK | XSTATE_XTILE_DATA_MASK)
627
628 /* CPUID feature words */
629 typedef enum FeatureWord {
630 FEAT_1_EDX, /* CPUID[1].EDX */
631 FEAT_1_ECX, /* CPUID[1].ECX */
632 FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */
633 FEAT_7_0_ECX, /* CPUID[EAX=7,ECX=0].ECX */
634 FEAT_7_0_EDX, /* CPUID[EAX=7,ECX=0].EDX */
635 FEAT_7_1_EAX, /* CPUID[EAX=7,ECX=1].EAX */
636 FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
637 FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
638 FEAT_8000_0007_EBX, /* CPUID[8000_0007].EBX */
639 FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
640 FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
641 FEAT_8000_0021_EAX, /* CPUID[8000_0021].EAX */
642 FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
643 FEAT_KVM, /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
644 FEAT_KVM_HINTS, /* CPUID[4000_0001].EDX */
645 FEAT_SVM, /* CPUID[8000_000A].EDX */
646 FEAT_XSAVE, /* CPUID[EAX=0xd,ECX=1].EAX */
647 FEAT_6_EAX, /* CPUID[6].EAX */
648 FEAT_XSAVE_XCR0_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
649 FEAT_XSAVE_XCR0_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
650 FEAT_ARCH_CAPABILITIES,
651 FEAT_CORE_CAPABILITY,
652 FEAT_PERF_CAPABILITIES,
653 FEAT_VMX_PROCBASED_CTLS,
654 FEAT_VMX_SECONDARY_CTLS,
655 FEAT_VMX_PINBASED_CTLS,
656 FEAT_VMX_EXIT_CTLS,
657 FEAT_VMX_ENTRY_CTLS,
658 FEAT_VMX_MISC,
659 FEAT_VMX_EPT_VPID_CAPS,
660 FEAT_VMX_BASIC,
661 FEAT_VMX_VMFUNC,
662 FEAT_14_0_ECX,
663 FEAT_SGX_12_0_EAX, /* CPUID[EAX=0x12,ECX=0].EAX (SGX) */
664 FEAT_SGX_12_0_EBX, /* CPUID[EAX=0x12,ECX=0].EBX (SGX MISCSELECT[31:0]) */
665 FEAT_SGX_12_1_EAX, /* CPUID[EAX=0x12,ECX=1].EAX (SGX ATTRIBUTES[31:0]) */
666 FEAT_XSAVE_XSS_LO, /* CPUID[EAX=0xd,ECX=1].ECX */
667 FEAT_XSAVE_XSS_HI, /* CPUID[EAX=0xd,ECX=1].EDX */
668 FEAT_7_1_EDX, /* CPUID[EAX=7,ECX=1].EDX */
669 FEAT_7_2_EDX, /* CPUID[EAX=7,ECX=2].EDX */
670 FEATURE_WORDS,
671 } FeatureWord;
672
673 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
674 uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w);
675
676 /* cpuid_features bits */
677 #define CPUID_FP87 (1U << 0)
678 #define CPUID_VME (1U << 1)
679 #define CPUID_DE (1U << 2)
680 #define CPUID_PSE (1U << 3)
681 #define CPUID_TSC (1U << 4)
682 #define CPUID_MSR (1U << 5)
683 #define CPUID_PAE (1U << 6)
684 #define CPUID_MCE (1U << 7)
685 #define CPUID_CX8 (1U << 8)
686 #define CPUID_APIC (1U << 9)
687 #define CPUID_SEP (1U << 11) /* sysenter/sysexit */
688 #define CPUID_MTRR (1U << 12)
689 #define CPUID_PGE (1U << 13)
690 #define CPUID_MCA (1U << 14)
691 #define CPUID_CMOV (1U << 15)
692 #define CPUID_PAT (1U << 16)
693 #define CPUID_PSE36 (1U << 17)
694 #define CPUID_PN (1U << 18)
695 #define CPUID_CLFLUSH (1U << 19)
696 #define CPUID_DTS (1U << 21)
697 #define CPUID_ACPI (1U << 22)
698 #define CPUID_MMX (1U << 23)
699 #define CPUID_FXSR (1U << 24)
700 #define CPUID_SSE (1U << 25)
701 #define CPUID_SSE2 (1U << 26)
702 #define CPUID_SS (1U << 27)
703 #define CPUID_HT (1U << 28)
704 #define CPUID_TM (1U << 29)
705 #define CPUID_IA64 (1U << 30)
706 #define CPUID_PBE (1U << 31)
707
708 #define CPUID_EXT_SSE3 (1U << 0)
709 #define CPUID_EXT_PCLMULQDQ (1U << 1)
710 #define CPUID_EXT_DTES64 (1U << 2)
711 #define CPUID_EXT_MONITOR (1U << 3)
712 #define CPUID_EXT_DSCPL (1U << 4)
713 #define CPUID_EXT_VMX (1U << 5)
714 #define CPUID_EXT_SMX (1U << 6)
715 #define CPUID_EXT_EST (1U << 7)
716 #define CPUID_EXT_TM2 (1U << 8)
717 #define CPUID_EXT_SSSE3 (1U << 9)
718 #define CPUID_EXT_CID (1U << 10)
719 #define CPUID_EXT_FMA (1U << 12)
720 #define CPUID_EXT_CX16 (1U << 13)
721 #define CPUID_EXT_XTPR (1U << 14)
722 #define CPUID_EXT_PDCM (1U << 15)
723 #define CPUID_EXT_PCID (1U << 17)
724 #define CPUID_EXT_DCA (1U << 18)
725 #define CPUID_EXT_SSE41 (1U << 19)
726 #define CPUID_EXT_SSE42 (1U << 20)
727 #define CPUID_EXT_X2APIC (1U << 21)
728 #define CPUID_EXT_MOVBE (1U << 22)
729 #define CPUID_EXT_POPCNT (1U << 23)
730 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
731 #define CPUID_EXT_AES (1U << 25)
732 #define CPUID_EXT_XSAVE (1U << 26)
733 #define CPUID_EXT_OSXSAVE (1U << 27)
734 #define CPUID_EXT_AVX (1U << 28)
735 #define CPUID_EXT_F16C (1U << 29)
736 #define CPUID_EXT_RDRAND (1U << 30)
737 #define CPUID_EXT_HYPERVISOR (1U << 31)
738
739 #define CPUID_EXT2_FPU (1U << 0)
740 #define CPUID_EXT2_VME (1U << 1)
741 #define CPUID_EXT2_DE (1U << 2)
742 #define CPUID_EXT2_PSE (1U << 3)
743 #define CPUID_EXT2_TSC (1U << 4)
744 #define CPUID_EXT2_MSR (1U << 5)
745 #define CPUID_EXT2_PAE (1U << 6)
746 #define CPUID_EXT2_MCE (1U << 7)
747 #define CPUID_EXT2_CX8 (1U << 8)
748 #define CPUID_EXT2_APIC (1U << 9)
749 #define CPUID_EXT2_SYSCALL (1U << 11)
750 #define CPUID_EXT2_MTRR (1U << 12)
751 #define CPUID_EXT2_PGE (1U << 13)
752 #define CPUID_EXT2_MCA (1U << 14)
753 #define CPUID_EXT2_CMOV (1U << 15)
754 #define CPUID_EXT2_PAT (1U << 16)
755 #define CPUID_EXT2_PSE36 (1U << 17)
756 #define CPUID_EXT2_MP (1U << 19)
757 #define CPUID_EXT2_NX (1U << 20)
758 #define CPUID_EXT2_MMXEXT (1U << 22)
759 #define CPUID_EXT2_MMX (1U << 23)
760 #define CPUID_EXT2_FXSR (1U << 24)
761 #define CPUID_EXT2_FFXSR (1U << 25)
762 #define CPUID_EXT2_PDPE1GB (1U << 26)
763 #define CPUID_EXT2_RDTSCP (1U << 27)
764 #define CPUID_EXT2_LM (1U << 29)
765 #define CPUID_EXT2_3DNOWEXT (1U << 30)
766 #define CPUID_EXT2_3DNOW (1U << 31)
767
768 /* CPUID[8000_0001].EDX bits that are aliases of CPUID[1].EDX bits on AMD CPUs */
769 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
770 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
771 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
772 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
773 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
774 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
775 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
776 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
777 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
778
779 #define CPUID_EXT3_LAHF_LM (1U << 0)
780 #define CPUID_EXT3_CMP_LEG (1U << 1)
781 #define CPUID_EXT3_SVM (1U << 2)
782 #define CPUID_EXT3_EXTAPIC (1U << 3)
783 #define CPUID_EXT3_CR8LEG (1U << 4)
784 #define CPUID_EXT3_ABM (1U << 5)
785 #define CPUID_EXT3_SSE4A (1U << 6)
786 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
787 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
788 #define CPUID_EXT3_OSVW (1U << 9)
789 #define CPUID_EXT3_IBS (1U << 10)
790 #define CPUID_EXT3_XOP (1U << 11)
791 #define CPUID_EXT3_SKINIT (1U << 12)
792 #define CPUID_EXT3_WDT (1U << 13)
793 #define CPUID_EXT3_LWP (1U << 15)
794 #define CPUID_EXT3_FMA4 (1U << 16)
795 #define CPUID_EXT3_TCE (1U << 17)
796 #define CPUID_EXT3_NODEID (1U << 19)
797 #define CPUID_EXT3_TBM (1U << 21)
798 #define CPUID_EXT3_TOPOEXT (1U << 22)
799 #define CPUID_EXT3_PERFCORE (1U << 23)
800 #define CPUID_EXT3_PERFNB (1U << 24)
801
802 #define CPUID_SVM_NPT (1U << 0)
803 #define CPUID_SVM_LBRV (1U << 1)
804 #define CPUID_SVM_SVMLOCK (1U << 2)
805 #define CPUID_SVM_NRIPSAVE (1U << 3)
806 #define CPUID_SVM_TSCSCALE (1U << 4)
807 #define CPUID_SVM_VMCBCLEAN (1U << 5)
808 #define CPUID_SVM_FLUSHASID (1U << 6)
809 #define CPUID_SVM_DECODEASSIST (1U << 7)
810 #define CPUID_SVM_PAUSEFILTER (1U << 10)
811 #define CPUID_SVM_PFTHRESHOLD (1U << 12)
812 #define CPUID_SVM_AVIC (1U << 13)
813 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
814 #define CPUID_SVM_VGIF (1U << 16)
815 #define CPUID_SVM_VNMI (1U << 25)
816 #define CPUID_SVM_SVME_ADDR_CHK (1U << 28)
817
818 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
819 #define CPUID_7_0_EBX_FSGSBASE (1U << 0)
820 /* Support TSC adjust MSR */
821 #define CPUID_7_0_EBX_TSC_ADJUST (1U << 1)
822 /* Support SGX */
823 #define CPUID_7_0_EBX_SGX (1U << 2)
824 /* 1st Group of Advanced Bit Manipulation Extensions */
825 #define CPUID_7_0_EBX_BMI1 (1U << 3)
826 /* Hardware Lock Elision */
827 #define CPUID_7_0_EBX_HLE (1U << 4)
828 /* Intel Advanced Vector Extensions 2 */
829 #define CPUID_7_0_EBX_AVX2 (1U << 5)
830 /* Supervisor-mode Execution Prevention */
831 #define CPUID_7_0_EBX_SMEP (1U << 7)
832 /* 2nd Group of Advanced Bit Manipulation Extensions */
833 #define CPUID_7_0_EBX_BMI2 (1U << 8)
834 /* Enhanced REP MOVSB/STOSB */
835 #define CPUID_7_0_EBX_ERMS (1U << 9)
836 /* Invalidate Process-Context Identifier */
837 #define CPUID_7_0_EBX_INVPCID (1U << 10)
838 /* Restricted Transactional Memory */
839 #define CPUID_7_0_EBX_RTM (1U << 11)
840 /* Memory Protection Extension */
841 #define CPUID_7_0_EBX_MPX (1U << 14)
842 /* AVX-512 Foundation */
843 #define CPUID_7_0_EBX_AVX512F (1U << 16)
844 /* AVX-512 Doubleword & Quadword Instruction */
845 #define CPUID_7_0_EBX_AVX512DQ (1U << 17)
846 /* Read Random SEED */
847 #define CPUID_7_0_EBX_RDSEED (1U << 18)
848 /* ADCX and ADOX instructions */
849 #define CPUID_7_0_EBX_ADX (1U << 19)
850 /* Supervisor Mode Access Prevention */
851 #define CPUID_7_0_EBX_SMAP (1U << 20)
852 /* AVX-512 Integer Fused Multiply Add */
853 #define CPUID_7_0_EBX_AVX512IFMA (1U << 21)
854 /* Flush a Cache Line Optimized */
855 #define CPUID_7_0_EBX_CLFLUSHOPT (1U << 23)
856 /* Cache Line Write Back */
857 #define CPUID_7_0_EBX_CLWB (1U << 24)
858 /* Intel Processor Trace */
859 #define CPUID_7_0_EBX_INTEL_PT (1U << 25)
860 /* AVX-512 Prefetch */
861 #define CPUID_7_0_EBX_AVX512PF (1U << 26)
862 /* AVX-512 Exponential and Reciprocal */
863 #define CPUID_7_0_EBX_AVX512ER (1U << 27)
864 /* AVX-512 Conflict Detection */
865 #define CPUID_7_0_EBX_AVX512CD (1U << 28)
866 /* SHA1/SHA256 Instruction Extensions */
867 #define CPUID_7_0_EBX_SHA_NI (1U << 29)
868 /* AVX-512 Byte and Word Instructions */
869 #define CPUID_7_0_EBX_AVX512BW (1U << 30)
870 /* AVX-512 Vector Length Extensions */
871 #define CPUID_7_0_EBX_AVX512VL (1U << 31)
872
873 /* AVX-512 Vector Byte Manipulation Instruction */
874 #define CPUID_7_0_ECX_AVX512_VBMI (1U << 1)
875 /* User-Mode Instruction Prevention */
876 #define CPUID_7_0_ECX_UMIP (1U << 2)
877 /* Protection Keys for User-mode Pages */
878 #define CPUID_7_0_ECX_PKU (1U << 3)
879 /* OS Enable Protection Keys */
880 #define CPUID_7_0_ECX_OSPKE (1U << 4)
881 /* UMONITOR/UMWAIT/TPAUSE Instructions */
882 #define CPUID_7_0_ECX_WAITPKG (1U << 5)
883 /* Additional AVX-512 Vector Byte Manipulation Instruction */
884 #define CPUID_7_0_ECX_AVX512_VBMI2 (1U << 6)
885 /* Galois Field New Instructions */
886 #define CPUID_7_0_ECX_GFNI (1U << 8)
887 /* Vector AES Instructions */
888 #define CPUID_7_0_ECX_VAES (1U << 9)
889 /* Carry-Less Multiplication Quadword */
890 #define CPUID_7_0_ECX_VPCLMULQDQ (1U << 10)
891 /* Vector Neural Network Instructions */
892 #define CPUID_7_0_ECX_AVX512VNNI (1U << 11)
893 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
894 #define CPUID_7_0_ECX_AVX512BITALG (1U << 12)
895 /* POPCNT for vectors of DW/QW */
896 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ (1U << 14)
897 /* 5-level Page Tables */
898 #define CPUID_7_0_ECX_LA57 (1U << 16)
899 /* Read Processor ID */
900 #define CPUID_7_0_ECX_RDPID (1U << 22)
901 /* Bus Lock Debug Exception */
902 #define CPUID_7_0_ECX_BUS_LOCK_DETECT (1U << 24)
903 /* Cache Line Demote Instruction */
904 #define CPUID_7_0_ECX_CLDEMOTE (1U << 25)
905 /* Move Doubleword as Direct Store Instruction */
906 #define CPUID_7_0_ECX_MOVDIRI (1U << 27)
907 /* Move 64 Bytes as Direct Store Instruction */
908 #define CPUID_7_0_ECX_MOVDIR64B (1U << 28)
909 /* Support SGX Launch Control */
910 #define CPUID_7_0_ECX_SGX_LC (1U << 30)
911 /* Protection Keys for Supervisor-mode Pages */
912 #define CPUID_7_0_ECX_PKS (1U << 31)
913
914 /* AVX512 Neural Network Instructions */
915 #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2)
916 /* AVX512 Multiply Accumulation Single Precision */
917 #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3)
918 /* Fast Short Rep Mov */
919 #define CPUID_7_0_EDX_FSRM (1U << 4)
920 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
921 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
922 /* SERIALIZE instruction */
923 #define CPUID_7_0_EDX_SERIALIZE (1U << 14)
924 /* TSX Suspend Load Address Tracking instruction */
925 #define CPUID_7_0_EDX_TSX_LDTRK (1U << 16)
926 /* Architectural LBRs */
927 #define CPUID_7_0_EDX_ARCH_LBR (1U << 19)
928 /* AMX_BF16 instruction */
929 #define CPUID_7_0_EDX_AMX_BF16 (1U << 22)
930 /* AVX512_FP16 instruction */
931 #define CPUID_7_0_EDX_AVX512_FP16 (1U << 23)
932 /* AMX tile (two-dimensional register) */
933 #define CPUID_7_0_EDX_AMX_TILE (1U << 24)
934 /* AMX_INT8 instruction */
935 #define CPUID_7_0_EDX_AMX_INT8 (1U << 25)
936 /* Speculation Control */
937 #define CPUID_7_0_EDX_SPEC_CTRL (1U << 26)
938 /* Single Thread Indirect Branch Predictors */
939 #define CPUID_7_0_EDX_STIBP (1U << 27)
940 /* Flush L1D cache */
941 #define CPUID_7_0_EDX_FLUSH_L1D (1U << 28)
942 /* Arch Capabilities */
943 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
944 /* Core Capability */
945 #define CPUID_7_0_EDX_CORE_CAPABILITY (1U << 30)
946 /* Speculative Store Bypass Disable */
947 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31)
948
949 /* AVX VNNI Instruction */
950 #define CPUID_7_1_EAX_AVX_VNNI (1U << 4)
951 /* AVX512 BFloat16 Instruction */
952 #define CPUID_7_1_EAX_AVX512_BF16 (1U << 5)
953 /* CMPCCXADD Instructions */
954 #define CPUID_7_1_EAX_CMPCCXADD (1U << 7)
955 /* Fast Zero REP MOVS */
956 #define CPUID_7_1_EAX_FZRM (1U << 10)
957 /* Fast Short REP STOS */
958 #define CPUID_7_1_EAX_FSRS (1U << 11)
959 /* Fast Short REP CMPS/SCAS */
960 #define CPUID_7_1_EAX_FSRC (1U << 12)
961 /* Support Tile Computational Operations on FP16 Numbers */
962 #define CPUID_7_1_EAX_AMX_FP16 (1U << 21)
963 /* Support for VPMADD52[H,L]UQ */
964 #define CPUID_7_1_EAX_AVX_IFMA (1U << 23)
965 /* Linear Address Masking */
966 #define CPUID_7_1_EAX_LAM (1U << 26)
967
968 /* Support for VPDPB[SU,UU,SS]D[,S] */
969 #define CPUID_7_1_EDX_AVX_VNNI_INT8 (1U << 4)
970 /* AVX NE CONVERT Instructions */
971 #define CPUID_7_1_EDX_AVX_NE_CONVERT (1U << 5)
972 /* AMX COMPLEX Instructions */
973 #define CPUID_7_1_EDX_AMX_COMPLEX (1U << 8)
974 /* PREFETCHIT0/1 Instructions */
975 #define CPUID_7_1_EDX_PREFETCHITI (1U << 14)
976 /* Flexible return and event delivery (FRED) */
977 #define CPUID_7_1_EAX_FRED (1U << 17)
978 /* Load into IA32_KERNEL_GS_BASE (LKGS) */
979 #define CPUID_7_1_EAX_LKGS (1U << 18)
980 /* Non-Serializing Write to Model Specific Register (WRMSRNS) */
981 #define CPUID_7_1_EAX_WRMSRNS (1U << 19)
982
983 /* Do not exhibit MXCSR Configuration Dependent Timing (MCDT) behavior */
984 #define CPUID_7_2_EDX_MCDT_NO (1U << 5)
985
986 /* XFD Extend Feature Disabled */
987 #define CPUID_D_1_EAX_XFD (1U << 4)
988
989 /* Packets which contain IP payload have LIP values */
990 #define CPUID_14_0_ECX_LIP (1U << 31)
991
992 /* RAS Features */
993 #define CPUID_8000_0007_EBX_OVERFLOW_RECOV (1U << 0)
994 #define CPUID_8000_0007_EBX_SUCCOR (1U << 1)
995
996 /* CLZERO instruction */
997 #define CPUID_8000_0008_EBX_CLZERO (1U << 0)
998 /* Always save/restore FP error pointers */
999 #define CPUID_8000_0008_EBX_XSAVEERPTR (1U << 2)
1000 /* Write back and do not invalidate cache */
1001 #define CPUID_8000_0008_EBX_WBNOINVD (1U << 9)
1002 /* Indirect Branch Prediction Barrier */
1003 #define CPUID_8000_0008_EBX_IBPB (1U << 12)
1004 /* Indirect Branch Restricted Speculation */
1005 #define CPUID_8000_0008_EBX_IBRS (1U << 14)
1006 /* Single Thread Indirect Branch Predictors */
1007 #define CPUID_8000_0008_EBX_STIBP (1U << 15)
1008 /* STIBP mode has enhanced performance and may be left always on */
1009 #define CPUID_8000_0008_EBX_STIBP_ALWAYS_ON (1U << 17)
1010 /* Speculative Store Bypass Disable */
1011 #define CPUID_8000_0008_EBX_AMD_SSBD (1U << 24)
1012 /* Paravirtualized Speculative Store Bypass Disable MSR */
1013 #define CPUID_8000_0008_EBX_VIRT_SSBD (1U << 25)
1014 /* Predictive Store Forwarding Disable */
1015 #define CPUID_8000_0008_EBX_AMD_PSFD (1U << 28)
1016
1017 /* Processor ignores nested data breakpoints */
1018 #define CPUID_8000_0021_EAX_No_NESTED_DATA_BP (1U << 0)
1019 /* LFENCE is always serializing */
1020 #define CPUID_8000_0021_EAX_LFENCE_ALWAYS_SERIALIZING (1U << 2)
1021 /* Null Selector Clears Base */
1022 #define CPUID_8000_0021_EAX_NULL_SEL_CLR_BASE (1U << 6)
1023 /* Automatic IBRS */
1024 #define CPUID_8000_0021_EAX_AUTO_IBRS (1U << 8)
1025
1026 #define CPUID_XSAVE_XSAVEOPT (1U << 0)
1027 #define CPUID_XSAVE_XSAVEC (1U << 1)
1028 #define CPUID_XSAVE_XGETBV1 (1U << 2)
1029 #define CPUID_XSAVE_XSAVES (1U << 3)
1030
1031 #define CPUID_6_EAX_ARAT (1U << 2)
1032
1033 /* CPUID[0x80000007].EDX flags: */
1034 #define CPUID_APM_INVTSC (1U << 8)
1035
1036 #define CPUID_VENDOR_SZ 12
1037
1038 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
1039 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
1040 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
1041 #define CPUID_VENDOR_INTEL "GenuineIntel"
1042
1043 #define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */
1044 #define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */
1045 #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */
1046 #define CPUID_VENDOR_AMD "AuthenticAMD"
1047
1048 #define CPUID_VENDOR_VIA "CentaurHauls"
1049
1050 #define CPUID_VENDOR_HYGON "HygonGenuine"
1051
1052 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
1053 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
1054 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
1055 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
1056 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
1057 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
1058
1059 #define CPUID_MWAIT_IBE (1U << 1) /* Interrupts can exit capability */
1060 #define CPUID_MWAIT_EMX (1U << 0) /* enumeration supported */
1061
1062 /* CPUID[0xB].ECX level types */
1063 #define CPUID_B_ECX_TOPO_LEVEL_INVALID 0
1064 #define CPUID_B_ECX_TOPO_LEVEL_SMT 1
1065 #define CPUID_B_ECX_TOPO_LEVEL_CORE 2
1066
1067 /* COUID[0x1F].ECX level types */
1068 #define CPUID_1F_ECX_TOPO_LEVEL_INVALID CPUID_B_ECX_TOPO_LEVEL_INVALID
1069 #define CPUID_1F_ECX_TOPO_LEVEL_SMT CPUID_B_ECX_TOPO_LEVEL_SMT
1070 #define CPUID_1F_ECX_TOPO_LEVEL_CORE CPUID_B_ECX_TOPO_LEVEL_CORE
1071 #define CPUID_1F_ECX_TOPO_LEVEL_MODULE 3
1072 #define CPUID_1F_ECX_TOPO_LEVEL_DIE 5
1073
1074 /* MSR Feature Bits */
1075 #define MSR_ARCH_CAP_RDCL_NO (1U << 0)
1076 #define MSR_ARCH_CAP_IBRS_ALL (1U << 1)
1077 #define MSR_ARCH_CAP_RSBA (1U << 2)
1078 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
1079 #define MSR_ARCH_CAP_SSB_NO (1U << 4)
1080 #define MSR_ARCH_CAP_MDS_NO (1U << 5)
1081 #define MSR_ARCH_CAP_PSCHANGE_MC_NO (1U << 6)
1082 #define MSR_ARCH_CAP_TSX_CTRL_MSR (1U << 7)
1083 #define MSR_ARCH_CAP_TAA_NO (1U << 8)
1084 #define MSR_ARCH_CAP_SBDR_SSDP_NO (1U << 13)
1085 #define MSR_ARCH_CAP_FBSDP_NO (1U << 14)
1086 #define MSR_ARCH_CAP_PSDP_NO (1U << 15)
1087 #define MSR_ARCH_CAP_FB_CLEAR (1U << 17)
1088 #define MSR_ARCH_CAP_PBRSB_NO (1U << 24)
1089
1090 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT (1U << 5)
1091
1092 /* VMX MSR features */
1093 #define MSR_VMX_BASIC_VMCS_REVISION_MASK 0x7FFFFFFFull
1094 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK (0x00001FFFull << 32)
1095 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK (0x003C0000ull << 32)
1096 #define MSR_VMX_BASIC_DUAL_MONITOR (1ULL << 49)
1097 #define MSR_VMX_BASIC_INS_OUTS (1ULL << 54)
1098 #define MSR_VMX_BASIC_TRUE_CTLS (1ULL << 55)
1099 #define MSR_VMX_BASIC_ANY_ERRCODE (1ULL << 56)
1100 #define MSR_VMX_BASIC_NESTED_EXCEPTION (1ULL << 58)
1101
1102 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK 0x1Full
1103 #define MSR_VMX_MISC_STORE_LMA (1ULL << 5)
1104 #define MSR_VMX_MISC_ACTIVITY_HLT (1ULL << 6)
1105 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN (1ULL << 7)
1106 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI (1ULL << 8)
1107 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK 0x0E000000ull
1108 #define MSR_VMX_MISC_VMWRITE_VMEXIT (1ULL << 29)
1109 #define MSR_VMX_MISC_ZERO_LEN_INJECT (1ULL << 30)
1110
1111 #define MSR_VMX_EPT_EXECONLY (1ULL << 0)
1112 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4 (1ULL << 6)
1113 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5 (1ULL << 7)
1114 #define MSR_VMX_EPT_UC (1ULL << 8)
1115 #define MSR_VMX_EPT_WB (1ULL << 14)
1116 #define MSR_VMX_EPT_2MB (1ULL << 16)
1117 #define MSR_VMX_EPT_1GB (1ULL << 17)
1118 #define MSR_VMX_EPT_INVEPT (1ULL << 20)
1119 #define MSR_VMX_EPT_AD_BITS (1ULL << 21)
1120 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO (1ULL << 22)
1121 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT (1ULL << 25)
1122 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT (1ULL << 26)
1123 #define MSR_VMX_EPT_INVVPID (1ULL << 32)
1124 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR (1ULL << 40)
1125 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT (1ULL << 41)
1126 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT (1ULL << 42)
1127 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
1128
1129 #define MSR_VMX_VMFUNC_EPT_SWITCHING (1ULL << 0)
1130
1131
1132 /* VMX controls */
1133 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING 0x00000004
1134 #define VMX_CPU_BASED_USE_TSC_OFFSETING 0x00000008
1135 #define VMX_CPU_BASED_HLT_EXITING 0x00000080
1136 #define VMX_CPU_BASED_INVLPG_EXITING 0x00000200
1137 #define VMX_CPU_BASED_MWAIT_EXITING 0x00000400
1138 #define VMX_CPU_BASED_RDPMC_EXITING 0x00000800
1139 #define VMX_CPU_BASED_RDTSC_EXITING 0x00001000
1140 #define VMX_CPU_BASED_CR3_LOAD_EXITING 0x00008000
1141 #define VMX_CPU_BASED_CR3_STORE_EXITING 0x00010000
1142 #define VMX_CPU_BASED_CR8_LOAD_EXITING 0x00080000
1143 #define VMX_CPU_BASED_CR8_STORE_EXITING 0x00100000
1144 #define VMX_CPU_BASED_TPR_SHADOW 0x00200000
1145 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING 0x00400000
1146 #define VMX_CPU_BASED_MOV_DR_EXITING 0x00800000
1147 #define VMX_CPU_BASED_UNCOND_IO_EXITING 0x01000000
1148 #define VMX_CPU_BASED_USE_IO_BITMAPS 0x02000000
1149 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG 0x08000000
1150 #define VMX_CPU_BASED_USE_MSR_BITMAPS 0x10000000
1151 #define VMX_CPU_BASED_MONITOR_EXITING 0x20000000
1152 #define VMX_CPU_BASED_PAUSE_EXITING 0x40000000
1153 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS 0x80000000
1154
1155 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
1156 #define VMX_SECONDARY_EXEC_ENABLE_EPT 0x00000002
1157 #define VMX_SECONDARY_EXEC_DESC 0x00000004
1158 #define VMX_SECONDARY_EXEC_RDTSCP 0x00000008
1159 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE 0x00000010
1160 #define VMX_SECONDARY_EXEC_ENABLE_VPID 0x00000020
1161 #define VMX_SECONDARY_EXEC_WBINVD_EXITING 0x00000040
1162 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST 0x00000080
1163 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT 0x00000100
1164 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY 0x00000200
1165 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING 0x00000400
1166 #define VMX_SECONDARY_EXEC_RDRAND_EXITING 0x00000800
1167 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID 0x00001000
1168 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC 0x00002000
1169 #define VMX_SECONDARY_EXEC_SHADOW_VMCS 0x00004000
1170 #define VMX_SECONDARY_EXEC_ENCLS_EXITING 0x00008000
1171 #define VMX_SECONDARY_EXEC_RDSEED_EXITING 0x00010000
1172 #define VMX_SECONDARY_EXEC_ENABLE_PML 0x00020000
1173 #define VMX_SECONDARY_EXEC_XSAVES 0x00100000
1174 #define VMX_SECONDARY_EXEC_TSC_SCALING 0x02000000
1175 #define VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE 0x04000000
1176
1177 #define VMX_PIN_BASED_EXT_INTR_MASK 0x00000001
1178 #define VMX_PIN_BASED_NMI_EXITING 0x00000008
1179 #define VMX_PIN_BASED_VIRTUAL_NMIS 0x00000020
1180 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER 0x00000040
1181 #define VMX_PIN_BASED_POSTED_INTR 0x00000080
1182
1183 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS 0x00000004
1184 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE 0x00000200
1185 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL 0x00001000
1186 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT 0x00008000
1187 #define VMX_VM_EXIT_SAVE_IA32_PAT 0x00040000
1188 #define VMX_VM_EXIT_LOAD_IA32_PAT 0x00080000
1189 #define VMX_VM_EXIT_SAVE_IA32_EFER 0x00100000
1190 #define VMX_VM_EXIT_LOAD_IA32_EFER 0x00200000
1191 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER 0x00400000
1192 #define VMX_VM_EXIT_CLEAR_BNDCFGS 0x00800000
1193 #define VMX_VM_EXIT_PT_CONCEAL_PIP 0x01000000
1194 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL 0x02000000
1195 #define VMX_VM_EXIT_LOAD_IA32_PKRS 0x20000000
1196
1197 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS 0x00000004
1198 #define VMX_VM_ENTRY_IA32E_MODE 0x00000200
1199 #define VMX_VM_ENTRY_SMM 0x00000400
1200 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR 0x00000800
1201 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL 0x00002000
1202 #define VMX_VM_ENTRY_LOAD_IA32_PAT 0x00004000
1203 #define VMX_VM_ENTRY_LOAD_IA32_EFER 0x00008000
1204 #define VMX_VM_ENTRY_LOAD_BNDCFGS 0x00010000
1205 #define VMX_VM_ENTRY_PT_CONCEAL_PIP 0x00020000
1206 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL 0x00040000
1207 #define VMX_VM_ENTRY_LOAD_IA32_PKRS 0x00400000
1208
1209 /* Supported Hyper-V Enlightenments */
1210 #define HYPERV_FEAT_RELAXED 0
1211 #define HYPERV_FEAT_VAPIC 1
1212 #define HYPERV_FEAT_TIME 2
1213 #define HYPERV_FEAT_CRASH 3
1214 #define HYPERV_FEAT_RESET 4
1215 #define HYPERV_FEAT_VPINDEX 5
1216 #define HYPERV_FEAT_RUNTIME 6
1217 #define HYPERV_FEAT_SYNIC 7
1218 #define HYPERV_FEAT_STIMER 8
1219 #define HYPERV_FEAT_FREQUENCIES 9
1220 #define HYPERV_FEAT_REENLIGHTENMENT 10
1221 #define HYPERV_FEAT_TLBFLUSH 11
1222 #define HYPERV_FEAT_EVMCS 12
1223 #define HYPERV_FEAT_IPI 13
1224 #define HYPERV_FEAT_STIMER_DIRECT 14
1225 #define HYPERV_FEAT_AVIC 15
1226 #define HYPERV_FEAT_SYNDBG 16
1227 #define HYPERV_FEAT_MSR_BITMAP 17
1228 #define HYPERV_FEAT_XMM_INPUT 18
1229 #define HYPERV_FEAT_TLBFLUSH_EXT 19
1230 #define HYPERV_FEAT_TLBFLUSH_DIRECT 20
1231
1232 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1233 #define HYPERV_SPINLOCK_NEVER_NOTIFY 0xFFFFFFFF
1234 #endif
1235
1236 #define EXCP00_DIVZ 0
1237 #define EXCP01_DB 1
1238 #define EXCP02_NMI 2
1239 #define EXCP03_INT3 3
1240 #define EXCP04_INTO 4
1241 #define EXCP05_BOUND 5
1242 #define EXCP06_ILLOP 6
1243 #define EXCP07_PREX 7
1244 #define EXCP08_DBLE 8
1245 #define EXCP09_XERR 9
1246 #define EXCP0A_TSS 10
1247 #define EXCP0B_NOSEG 11
1248 #define EXCP0C_STACK 12
1249 #define EXCP0D_GPF 13
1250 #define EXCP0E_PAGE 14
1251 #define EXCP10_COPR 16
1252 #define EXCP11_ALGN 17
1253 #define EXCP12_MCHK 18
1254
1255 #define EXCP_VMEXIT 0x100 /* only for system emulation */
1256 #define EXCP_SYSCALL 0x101 /* only for user emulation */
1257 #define EXCP_VSYSCALL 0x102 /* only for user emulation */
1258
1259 /* i386-specific interrupt pending bits. */
1260 #define CPU_INTERRUPT_POLL CPU_INTERRUPT_TGT_EXT_1
1261 #define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2
1262 #define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3
1263 #define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4
1264 #define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0
1265 #define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_1
1266 #define CPU_INTERRUPT_TPR CPU_INTERRUPT_TGT_INT_2
1267
1268 /* Use a clearer name for this. */
1269 #define CPU_INTERRUPT_INIT CPU_INTERRUPT_RESET
1270
1271 #define CC_OP_HAS_EFLAGS(op) ((op) >= CC_OP_EFLAGS && (op) <= CC_OP_ADCOX)
1272
1273 /* Instead of computing the condition codes after each x86 instruction,
1274 * QEMU just stores one operand (called CC_SRC), the result
1275 * (called CC_DST) and the type of operation (called CC_OP). When the
1276 * condition codes are needed, the condition codes can be calculated
1277 * using this information. Condition codes are not generated if they
1278 * are only needed for conditional branches.
1279 */
1280 typedef enum {
1281 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1282 CC_OP_EFLAGS, /* all cc are explicitly computed, CC_SRC = flags */
1283 CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest. */
1284 CC_OP_ADOX, /* CC_SRC2 = O, CC_SRC = rest. */
1285 CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest. */
1286 CC_OP_CLR, /* Z and P set, all other flags clear. */
1287
1288 CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1289 CC_OP_MULW,
1290 CC_OP_MULL,
1291 CC_OP_MULQ,
1292
1293 CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1294 CC_OP_ADDW,
1295 CC_OP_ADDL,
1296 CC_OP_ADDQ,
1297
1298 CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1299 CC_OP_ADCW,
1300 CC_OP_ADCL,
1301 CC_OP_ADCQ,
1302
1303 CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1304 CC_OP_SUBW,
1305 CC_OP_SUBL,
1306 CC_OP_SUBQ,
1307
1308 CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1309 CC_OP_SBBW,
1310 CC_OP_SBBL,
1311 CC_OP_SBBQ,
1312
1313 CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1314 CC_OP_LOGICW,
1315 CC_OP_LOGICL,
1316 CC_OP_LOGICQ,
1317
1318 CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1319 CC_OP_INCW,
1320 CC_OP_INCL,
1321 CC_OP_INCQ,
1322
1323 CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1324 CC_OP_DECW,
1325 CC_OP_DECL,
1326 CC_OP_DECQ,
1327
1328 CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1329 CC_OP_SHLW,
1330 CC_OP_SHLL,
1331 CC_OP_SHLQ,
1332
1333 CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1334 CC_OP_SARW,
1335 CC_OP_SARL,
1336 CC_OP_SARQ,
1337
1338 CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1339 CC_OP_BMILGW,
1340 CC_OP_BMILGL,
1341 CC_OP_BMILGQ,
1342
1343 CC_OP_BLSIB, /* Z,S via CC_DST, C = SRC!=0; O=0; P,A undefined */
1344 CC_OP_BLSIW,
1345 CC_OP_BLSIL,
1346 CC_OP_BLSIQ,
1347
1348 /*
1349 * Note that only CC_OP_POPCNT (i.e. the one with MO_TL size)
1350 * is used or implemented, because the translation needs
1351 * to zero-extend CC_DST anyway.
1352 */
1353 CC_OP_POPCNTB__, /* Z via CC_DST, all other flags clear. */
1354 CC_OP_POPCNTW__,
1355 CC_OP_POPCNTL__,
1356 CC_OP_POPCNTQ__,
1357 CC_OP_POPCNT = sizeof(target_ulong) == 8 ? CC_OP_POPCNTQ__ : CC_OP_POPCNTL__,
1358
1359 CC_OP_NB,
1360 } CCOp;
1361 QEMU_BUILD_BUG_ON(CC_OP_NB >= 128);
1362
1363 typedef struct SegmentCache {
1364 uint32_t selector;
1365 target_ulong base;
1366 uint32_t limit;
1367 uint32_t flags;
1368 } SegmentCache;
1369
1370 typedef union MMXReg {
1371 uint8_t _b_MMXReg[64 / 8];
1372 uint16_t _w_MMXReg[64 / 16];
1373 uint32_t _l_MMXReg[64 / 32];
1374 uint64_t _q_MMXReg[64 / 64];
1375 float32 _s_MMXReg[64 / 32];
1376 float64 _d_MMXReg[64 / 64];
1377 } MMXReg;
1378
1379 typedef union XMMReg {
1380 uint64_t _q_XMMReg[128 / 64];
1381 } XMMReg;
1382
1383 typedef union YMMReg {
1384 uint64_t _q_YMMReg[256 / 64];
1385 XMMReg _x_YMMReg[256 / 128];
1386 } YMMReg;
1387
1388 typedef union ZMMReg {
1389 uint8_t _b_ZMMReg[512 / 8];
1390 uint16_t _w_ZMMReg[512 / 16];
1391 uint32_t _l_ZMMReg[512 / 32];
1392 uint64_t _q_ZMMReg[512 / 64];
1393 float16 _h_ZMMReg[512 / 16];
1394 float32 _s_ZMMReg[512 / 32];
1395 float64 _d_ZMMReg[512 / 64];
1396 XMMReg _x_ZMMReg[512 / 128];
1397 YMMReg _y_ZMMReg[512 / 256];
1398 } ZMMReg;
1399
1400 typedef struct BNDReg {
1401 uint64_t lb;
1402 uint64_t ub;
1403 } BNDReg;
1404
1405 typedef struct BNDCSReg {
1406 uint64_t cfgu;
1407 uint64_t sts;
1408 } BNDCSReg;
1409
1410 #define BNDCFG_ENABLE 1ULL
1411 #define BNDCFG_BNDPRESERVE 2ULL
1412 #define BNDCFG_BDIR_MASK TARGET_PAGE_MASK
1413
1414 #if HOST_BIG_ENDIAN
1415 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1416 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1417 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1418 #define ZMM_H(n) _h_ZMMReg[31 - (n)]
1419 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1420 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1421 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1422 #define ZMM_X(n) _x_ZMMReg[3 - (n)]
1423 #define ZMM_Y(n) _y_ZMMReg[1 - (n)]
1424
1425 #define XMM_Q(n) _q_XMMReg[1 - (n)]
1426
1427 #define YMM_Q(n) _q_YMMReg[3 - (n)]
1428 #define YMM_X(n) _x_YMMReg[1 - (n)]
1429
1430 #define MMX_B(n) _b_MMXReg[7 - (n)]
1431 #define MMX_W(n) _w_MMXReg[3 - (n)]
1432 #define MMX_L(n) _l_MMXReg[1 - (n)]
1433 #define MMX_S(n) _s_MMXReg[1 - (n)]
1434 #else
1435 #define ZMM_B(n) _b_ZMMReg[n]
1436 #define ZMM_W(n) _w_ZMMReg[n]
1437 #define ZMM_L(n) _l_ZMMReg[n]
1438 #define ZMM_H(n) _h_ZMMReg[n]
1439 #define ZMM_S(n) _s_ZMMReg[n]
1440 #define ZMM_Q(n) _q_ZMMReg[n]
1441 #define ZMM_D(n) _d_ZMMReg[n]
1442 #define ZMM_X(n) _x_ZMMReg[n]
1443 #define ZMM_Y(n) _y_ZMMReg[n]
1444
1445 #define XMM_Q(n) _q_XMMReg[n]
1446
1447 #define YMM_Q(n) _q_YMMReg[n]
1448 #define YMM_X(n) _x_YMMReg[n]
1449
1450 #define MMX_B(n) _b_MMXReg[n]
1451 #define MMX_W(n) _w_MMXReg[n]
1452 #define MMX_L(n) _l_MMXReg[n]
1453 #define MMX_S(n) _s_MMXReg[n]
1454 #endif
1455 #define MMX_Q(n) _q_MMXReg[n]
1456
1457 typedef union {
1458 floatx80 d __attribute__((aligned(16)));
1459 MMXReg mmx;
1460 } FPReg;
1461
1462 typedef struct {
1463 uint64_t base;
1464 uint64_t mask;
1465 } MTRRVar;
1466
1467 #define CPU_NB_REGS64 16
1468 #define CPU_NB_REGS32 8
1469
1470 #ifdef TARGET_X86_64
1471 #define CPU_NB_REGS CPU_NB_REGS64
1472 #else
1473 #define CPU_NB_REGS CPU_NB_REGS32
1474 #endif
1475
1476 #define MAX_FIXED_COUNTERS 3
1477 #define MAX_GP_COUNTERS (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1478
1479 #define TARGET_INSN_START_EXTRA_WORDS 1
1480
1481 #define NB_OPMASK_REGS 8
1482
1483 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1484 * that APIC ID hasn't been set yet
1485 */
1486 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1487
1488 typedef struct X86LegacyXSaveArea {
1489 uint16_t fcw;
1490 uint16_t fsw;
1491 uint8_t ftw;
1492 uint8_t reserved;
1493 uint16_t fpop;
1494 union {
1495 struct {
1496 uint64_t fpip;
1497 uint64_t fpdp;
1498 };
1499 struct {
1500 uint32_t fip;
1501 uint32_t fcs;
1502 uint32_t foo;
1503 uint32_t fos;
1504 };
1505 };
1506 uint32_t mxcsr;
1507 uint32_t mxcsr_mask;
1508 FPReg fpregs[8];
1509 uint8_t xmm_regs[16][16];
1510 uint32_t hw_reserved[12];
1511 uint32_t sw_reserved[12];
1512 } X86LegacyXSaveArea;
1513
1514 QEMU_BUILD_BUG_ON(sizeof(X86LegacyXSaveArea) != 512);
1515
1516 typedef struct X86XSaveHeader {
1517 uint64_t xstate_bv;
1518 uint64_t xcomp_bv;
1519 uint64_t reserve0;
1520 uint8_t reserved[40];
1521 } X86XSaveHeader;
1522
1523 /* Ext. save area 2: AVX State */
1524 typedef struct XSaveAVX {
1525 uint8_t ymmh[16][16];
1526 } XSaveAVX;
1527
1528 /* Ext. save area 3: BNDREG */
1529 typedef struct XSaveBNDREG {
1530 BNDReg bnd_regs[4];
1531 } XSaveBNDREG;
1532
1533 /* Ext. save area 4: BNDCSR */
1534 typedef union XSaveBNDCSR {
1535 BNDCSReg bndcsr;
1536 uint8_t data[64];
1537 } XSaveBNDCSR;
1538
1539 /* Ext. save area 5: Opmask */
1540 typedef struct XSaveOpmask {
1541 uint64_t opmask_regs[NB_OPMASK_REGS];
1542 } XSaveOpmask;
1543
1544 /* Ext. save area 6: ZMM_Hi256 */
1545 typedef struct XSaveZMM_Hi256 {
1546 uint8_t zmm_hi256[16][32];
1547 } XSaveZMM_Hi256;
1548
1549 /* Ext. save area 7: Hi16_ZMM */
1550 typedef struct XSaveHi16_ZMM {
1551 uint8_t hi16_zmm[16][64];
1552 } XSaveHi16_ZMM;
1553
1554 /* Ext. save area 9: PKRU state */
1555 typedef struct XSavePKRU {
1556 uint32_t pkru;
1557 uint32_t padding;
1558 } XSavePKRU;
1559
1560 /* Ext. save area 17: AMX XTILECFG state */
1561 typedef struct XSaveXTILECFG {
1562 uint8_t xtilecfg[64];
1563 } XSaveXTILECFG;
1564
1565 /* Ext. save area 18: AMX XTILEDATA state */
1566 typedef struct XSaveXTILEDATA {
1567 uint8_t xtiledata[8][1024];
1568 } XSaveXTILEDATA;
1569
1570 typedef struct {
1571 uint64_t from;
1572 uint64_t to;
1573 uint64_t info;
1574 } LBREntry;
1575
1576 #define ARCH_LBR_NR_ENTRIES 32
1577
1578 /* Ext. save area 19: Supervisor mode Arch LBR state */
1579 typedef struct XSavesArchLBR {
1580 uint64_t lbr_ctl;
1581 uint64_t lbr_depth;
1582 uint64_t ler_from;
1583 uint64_t ler_to;
1584 uint64_t ler_info;
1585 LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1586 } XSavesArchLBR;
1587
1588 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1589 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1590 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1591 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1592 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1593 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1594 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1595 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILECFG) != 0x40);
1596 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILEDATA) != 0x2000);
1597 QEMU_BUILD_BUG_ON(sizeof(XSavesArchLBR) != 0x328);
1598
1599 typedef struct ExtSaveArea {
1600 uint32_t feature, bits;
1601 uint32_t offset, size;
1602 uint32_t ecx;
1603 } ExtSaveArea;
1604
1605 #define XSAVE_STATE_AREA_COUNT (XSTATE_XTILE_DATA_BIT + 1)
1606
1607 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
1608
1609 typedef enum TPRAccess {
1610 TPR_ACCESS_READ,
1611 TPR_ACCESS_WRITE,
1612 } TPRAccess;
1613
1614 /* Cache information data structures: */
1615
1616 enum CacheType {
1617 DATA_CACHE,
1618 INSTRUCTION_CACHE,
1619 UNIFIED_CACHE
1620 };
1621
1622 typedef struct CPUCacheInfo {
1623 enum CacheType type;
1624 uint8_t level;
1625 /* Size in bytes */
1626 uint32_t size;
1627 /* Line size, in bytes */
1628 uint16_t line_size;
1629 /*
1630 * Associativity.
1631 * Note: representation of fully-associative caches is not implemented
1632 */
1633 uint8_t associativity;
1634 /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1635 uint8_t partitions;
1636 /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1637 uint32_t sets;
1638 /*
1639 * Lines per tag.
1640 * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1641 * (Is this synonym to @partitions?)
1642 */
1643 uint8_t lines_per_tag;
1644
1645 /* Self-initializing cache */
1646 bool self_init;
1647 /*
1648 * WBINVD/INVD is not guaranteed to act upon lower level caches of
1649 * non-originating threads sharing this cache.
1650 * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1651 */
1652 bool no_invd_sharing;
1653 /*
1654 * Cache is inclusive of lower cache levels.
1655 * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1656 */
1657 bool inclusive;
1658 /*
1659 * A complex function is used to index the cache, potentially using all
1660 * address bits. CPUID[4].EDX[bit 2].
1661 */
1662 bool complex_indexing;
1663
1664 /*
1665 * Cache Topology. The level that cache is shared in.
1666 * Used to encode CPUID[4].EAX[bits 25:14] or
1667 * CPUID[0x8000001D].EAX[bits 25:14].
1668 */
1669 enum CPUTopoLevel share_level;
1670 } CPUCacheInfo;
1671
1672
1673 typedef struct CPUCaches {
1674 CPUCacheInfo *l1d_cache;
1675 CPUCacheInfo *l1i_cache;
1676 CPUCacheInfo *l2_cache;
1677 CPUCacheInfo *l3_cache;
1678 } CPUCaches;
1679
1680 typedef struct HVFX86LazyFlags {
1681 target_ulong result;
1682 target_ulong auxbits;
1683 } HVFX86LazyFlags;
1684
1685 typedef struct CPUArchState {
1686 /* standard registers */
1687 target_ulong regs[CPU_NB_REGS];
1688 target_ulong eip;
1689 target_ulong eflags; /* eflags register. During CPU emulation, CC
1690 flags and DF are set to zero because they are
1691 stored elsewhere */
1692
1693 /* emulator internal eflags handling */
1694 target_ulong cc_dst;
1695 target_ulong cc_src;
1696 target_ulong cc_src2;
1697 uint32_t cc_op;
1698 int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1699 uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1700 are known at translation time. */
1701 uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1702
1703 /* segments */
1704 SegmentCache segs[6]; /* selector values */
1705 SegmentCache ldt;
1706 SegmentCache tr;
1707 SegmentCache gdt; /* only base and limit are used */
1708 SegmentCache idt; /* only base and limit are used */
1709
1710 target_ulong cr[5]; /* NOTE: cr1 is unused */
1711
1712 bool pdptrs_valid;
1713 uint64_t pdptrs[4];
1714 int32_t a20_mask;
1715
1716 BNDReg bnd_regs[4];
1717 BNDCSReg bndcs_regs;
1718 uint64_t msr_bndcfgs;
1719 uint64_t efer;
1720
1721 /* Beginning of state preserved by INIT (dummy marker). */
1722 struct {} start_init_save;
1723
1724 /* FPU state */
1725 unsigned int fpstt; /* top of stack index */
1726 uint16_t fpus;
1727 uint16_t fpuc;
1728 uint8_t fptags[8]; /* 0 = valid, 1 = empty */
1729 FPReg fpregs[8];
1730 /* KVM-only so far */
1731 uint16_t fpop;
1732 uint16_t fpcs;
1733 uint16_t fpds;
1734 uint64_t fpip;
1735 uint64_t fpdp;
1736
1737 /* emulator internal variables */
1738 float_status fp_status;
1739 floatx80 ft0;
1740
1741 float_status mmx_status; /* for 3DNow! float ops */
1742 float_status sse_status;
1743 uint32_t mxcsr;
1744 ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32] QEMU_ALIGNED(16);
1745 ZMMReg xmm_t0 QEMU_ALIGNED(16);
1746 MMXReg mmx_t0;
1747
1748 uint64_t opmask_regs[NB_OPMASK_REGS];
1749 #ifdef TARGET_X86_64
1750 uint8_t xtilecfg[64];
1751 uint8_t xtiledata[8192];
1752 #endif
1753
1754 /* sysenter registers */
1755 uint32_t sysenter_cs;
1756 target_ulong sysenter_esp;
1757 target_ulong sysenter_eip;
1758 uint64_t star;
1759
1760 uint64_t vm_hsave;
1761
1762 #ifdef TARGET_X86_64
1763 target_ulong lstar;
1764 target_ulong cstar;
1765 target_ulong fmask;
1766 target_ulong kernelgsbase;
1767
1768 /* FRED MSRs */
1769 uint64_t fred_rsp0;
1770 uint64_t fred_rsp1;
1771 uint64_t fred_rsp2;
1772 uint64_t fred_rsp3;
1773 uint64_t fred_stklvls;
1774 uint64_t fred_ssp1;
1775 uint64_t fred_ssp2;
1776 uint64_t fred_ssp3;
1777 uint64_t fred_config;
1778 #endif
1779
1780 uint64_t tsc_adjust;
1781 uint64_t tsc_deadline;
1782 uint64_t tsc_aux;
1783
1784 uint64_t xcr0;
1785
1786 uint64_t mcg_status;
1787 uint64_t msr_ia32_misc_enable;
1788 uint64_t msr_ia32_feature_control;
1789 uint64_t msr_ia32_sgxlepubkeyhash[4];
1790
1791 uint64_t msr_fixed_ctr_ctrl;
1792 uint64_t msr_global_ctrl;
1793 uint64_t msr_global_status;
1794 uint64_t msr_global_ovf_ctrl;
1795 uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1796 uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1797 uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1798
1799 uint64_t pat;
1800 uint32_t smbase;
1801 uint64_t msr_smi_count;
1802
1803 uint32_t pkru;
1804 uint32_t pkrs;
1805 uint32_t tsx_ctrl;
1806
1807 uint64_t spec_ctrl;
1808 uint64_t amd_tsc_scale_msr;
1809 uint64_t virt_ssbd;
1810
1811 /* End of state preserved by INIT (dummy marker). */
1812 struct {} end_init_save;
1813
1814 uint64_t system_time_msr;
1815 uint64_t wall_clock_msr;
1816 uint64_t steal_time_msr;
1817 uint64_t async_pf_en_msr;
1818 uint64_t async_pf_int_msr;
1819 uint64_t pv_eoi_en_msr;
1820 uint64_t poll_control_msr;
1821
1822 /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1823 uint64_t msr_hv_hypercall;
1824 uint64_t msr_hv_guest_os_id;
1825 uint64_t msr_hv_tsc;
1826 uint64_t msr_hv_syndbg_control;
1827 uint64_t msr_hv_syndbg_status;
1828 uint64_t msr_hv_syndbg_send_page;
1829 uint64_t msr_hv_syndbg_recv_page;
1830 uint64_t msr_hv_syndbg_pending_page;
1831 uint64_t msr_hv_syndbg_options;
1832
1833 /* Per-VCPU HV MSRs */
1834 uint64_t msr_hv_vapic;
1835 uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1836 uint64_t msr_hv_runtime;
1837 uint64_t msr_hv_synic_control;
1838 uint64_t msr_hv_synic_evt_page;
1839 uint64_t msr_hv_synic_msg_page;
1840 uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1841 uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1842 uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1843 uint64_t msr_hv_reenlightenment_control;
1844 uint64_t msr_hv_tsc_emulation_control;
1845 uint64_t msr_hv_tsc_emulation_status;
1846
1847 uint64_t msr_rtit_ctrl;
1848 uint64_t msr_rtit_status;
1849 uint64_t msr_rtit_output_base;
1850 uint64_t msr_rtit_output_mask;
1851 uint64_t msr_rtit_cr3_match;
1852 uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1853
1854 /* Per-VCPU XFD MSRs */
1855 uint64_t msr_xfd;
1856 uint64_t msr_xfd_err;
1857
1858 /* Per-VCPU Arch LBR MSRs */
1859 uint64_t msr_lbr_ctl;
1860 uint64_t msr_lbr_depth;
1861 LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1862
1863 /* exception/interrupt handling */
1864 int error_code;
1865 int exception_is_int;
1866 target_ulong exception_next_eip;
1867 target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1868 union {
1869 struct CPUBreakpoint *cpu_breakpoint[4];
1870 struct CPUWatchpoint *cpu_watchpoint[4];
1871 }; /* break/watchpoints for dr[0..3] */
1872 int old_exception; /* exception in flight */
1873
1874 uint64_t vm_vmcb;
1875 uint64_t tsc_offset;
1876 uint64_t intercept;
1877 uint16_t intercept_cr_read;
1878 uint16_t intercept_cr_write;
1879 uint16_t intercept_dr_read;
1880 uint16_t intercept_dr_write;
1881 uint32_t intercept_exceptions;
1882 uint64_t nested_cr3;
1883 uint32_t nested_pg_mode;
1884 uint8_t v_tpr;
1885 uint32_t int_ctl;
1886
1887 /* KVM states, automatically cleared on reset */
1888 uint8_t nmi_injected;
1889 uint8_t nmi_pending;
1890
1891 uintptr_t retaddr;
1892
1893 /* RAPL MSR */
1894 uint64_t msr_rapl_power_unit;
1895 uint64_t msr_pkg_energy_status;
1896
1897 /* Fields up to this point are cleared by a CPU reset */
1898 struct {} end_reset_fields;
1899
1900 /* Fields after this point are preserved across CPU reset. */
1901
1902 /* processor features (e.g. for CPUID insn) */
1903 /* Minimum cpuid leaf 7 value */
1904 uint32_t cpuid_level_func7;
1905 /* Actual cpuid leaf 7 value */
1906 uint32_t cpuid_min_level_func7;
1907 /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1908 uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1909 /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1910 uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1911 /* Actual level/xlevel/xlevel2 value: */
1912 uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1913 uint32_t cpuid_vendor1;
1914 uint32_t cpuid_vendor2;
1915 uint32_t cpuid_vendor3;
1916 uint32_t cpuid_version;
1917 FeatureWordArray features;
1918 /* Features that were explicitly enabled/disabled */
1919 FeatureWordArray user_features;
1920 uint32_t cpuid_model[12];
1921 /* Cache information for CPUID. When legacy-cache=on, the cache data
1922 * on each CPUID leaf will be different, because we keep compatibility
1923 * with old QEMU versions.
1924 */
1925 CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1926
1927 /* MTRRs */
1928 uint64_t mtrr_fixed[11];
1929 uint64_t mtrr_deftype;
1930 MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1931
1932 /* For KVM */
1933 uint32_t mp_state;
1934 int32_t exception_nr;
1935 int32_t interrupt_injected;
1936 uint8_t soft_interrupt;
1937 uint8_t exception_pending;
1938 uint8_t exception_injected;
1939 uint8_t has_error_code;
1940 uint8_t exception_has_payload;
1941 uint64_t exception_payload;
1942 uint8_t triple_fault_pending;
1943 uint32_t ins_len;
1944 uint32_t sipi_vector;
1945 bool tsc_valid;
1946 int64_t tsc_khz;
1947 int64_t user_tsc_khz; /* for sanity check only */
1948 uint64_t apic_bus_freq;
1949 uint64_t tsc;
1950 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1951 void *xsave_buf;
1952 uint32_t xsave_buf_len;
1953 #endif
1954 #if defined(CONFIG_KVM)
1955 struct kvm_nested_state *nested_state;
1956 MemoryRegion *xen_vcpu_info_mr;
1957 void *xen_vcpu_info_hva;
1958 uint64_t xen_vcpu_info_gpa;
1959 uint64_t xen_vcpu_info_default_gpa;
1960 uint64_t xen_vcpu_time_info_gpa;
1961 uint64_t xen_vcpu_runstate_gpa;
1962 uint8_t xen_vcpu_callback_vector;
1963 bool xen_callback_asserted;
1964 uint16_t xen_virq[XEN_NR_VIRQS];
1965 uint64_t xen_singleshot_timer_ns;
1966 QEMUTimer *xen_singleshot_timer;
1967 uint64_t xen_periodic_timer_period;
1968 QEMUTimer *xen_periodic_timer;
1969 QemuMutex xen_timers_lock;
1970 #endif
1971 #if defined(CONFIG_HVF)
1972 HVFX86LazyFlags hvf_lflags;
1973 void *hvf_mmio_buf;
1974 #endif
1975
1976 uint64_t mcg_cap;
1977 uint64_t mcg_ctl;
1978 uint64_t mcg_ext_ctl;
1979 uint64_t mce_banks[MCE_BANKS_DEF*4];
1980 uint64_t xstate_bv;
1981
1982 /* vmstate */
1983 uint16_t fpus_vmstate;
1984 uint16_t fptag_vmstate;
1985 uint16_t fpregs_format_vmstate;
1986
1987 uint64_t xss;
1988 uint32_t umwait;
1989
1990 TPRAccess tpr_access_type;
1991
1992 /* Number of dies within this CPU package. */
1993 unsigned nr_dies;
1994
1995 /* Number of modules within one die. */
1996 unsigned nr_modules;
1997
1998 /* Bitmap of available CPU topology levels for this CPU. */
1999 DECLARE_BITMAP(avail_cpu_topo, CPU_TOPO_LEVEL_MAX);
2000 } CPUX86State;
2001
2002 struct kvm_msrs;
2003
2004 /**
2005 * X86CPU:
2006 * @env: #CPUX86State
2007 * @migratable: If set, only migratable flags will be accepted when "enforce"
2008 * mode is used, and only migratable flags will be included in the "host"
2009 * CPU model.
2010 *
2011 * An x86 CPU.
2012 */
2013 struct ArchCPU {
2014 CPUState parent_obj;
2015
2016 CPUX86State env;
2017 VMChangeStateEntry *vmsentry;
2018
2019 uint64_t ucode_rev;
2020
2021 uint32_t hyperv_spinlock_attempts;
2022 char *hyperv_vendor;
2023 bool hyperv_synic_kvm_only;
2024 uint64_t hyperv_features;
2025 bool hyperv_passthrough;
2026 OnOffAuto hyperv_no_nonarch_cs;
2027 uint32_t hyperv_vendor_id[3];
2028 uint32_t hyperv_interface_id[4];
2029 uint32_t hyperv_limits[3];
2030 bool hyperv_enforce_cpuid;
2031 uint32_t hyperv_ver_id_build;
2032 uint16_t hyperv_ver_id_major;
2033 uint16_t hyperv_ver_id_minor;
2034 uint32_t hyperv_ver_id_sp;
2035 uint8_t hyperv_ver_id_sb;
2036 uint32_t hyperv_ver_id_sn;
2037
2038 bool check_cpuid;
2039 bool enforce_cpuid;
2040 /*
2041 * Force features to be enabled even if the host doesn't support them.
2042 * This is dangerous and should be done only for testing CPUID
2043 * compatibility.
2044 */
2045 bool force_features;
2046 bool expose_kvm;
2047 bool expose_tcg;
2048 bool migratable;
2049 bool migrate_smi_count;
2050 bool max_features; /* Enable all supported features automatically */
2051 uint32_t apic_id;
2052
2053 /* Enables publishing of TSC increment and Local APIC bus frequencies to
2054 * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
2055 bool vmware_cpuid_freq;
2056
2057 /* if true the CPUID code directly forward host cache leaves to the guest */
2058 bool cache_info_passthrough;
2059
2060 /* if true the CPUID code directly forwards
2061 * host monitor/mwait leaves to the guest */
2062 struct {
2063 uint32_t eax;
2064 uint32_t ebx;
2065 uint32_t ecx;
2066 uint32_t edx;
2067 } mwait;
2068
2069 /* Features that were filtered out because of missing host capabilities */
2070 FeatureWordArray filtered_features;
2071
2072 /* Enable PMU CPUID bits. This can't be enabled by default yet because
2073 * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
2074 * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
2075 * capabilities) directly to the guest.
2076 */
2077 bool enable_pmu;
2078
2079 /*
2080 * Enable LBR_FMT bits of IA32_PERF_CAPABILITIES MSR.
2081 * This can't be initialized with a default because it doesn't have
2082 * stable ABI support yet. It is only allowed to pass all LBR_FMT bits
2083 * returned by kvm_arch_get_supported_msr_feature()(which depends on both
2084 * host CPU and kernel capabilities) to the guest.
2085 */
2086 uint64_t lbr_fmt;
2087
2088 /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
2089 * disabled by default to avoid breaking migration between QEMU with
2090 * different LMCE configurations.
2091 */
2092 bool enable_lmce;
2093
2094 /* Compatibility bits for old machine types.
2095 * If true present virtual l3 cache for VM, the vcpus in the same virtual
2096 * socket share an virtual l3 cache.
2097 */
2098 bool enable_l3_cache;
2099
2100 /* Compatibility bits for old machine types.
2101 * If true present L1 cache as per-thread, not per-core.
2102 */
2103 bool l1_cache_per_core;
2104
2105 /* Compatibility bits for old machine types.
2106 * If true present the old cache topology information
2107 */
2108 bool legacy_cache;
2109
2110 /* Compatibility bits for old machine types.
2111 * If true decode the CPUID Function 0x8000001E_ECX to support multiple
2112 * nodes per processor
2113 */
2114 bool legacy_multi_node;
2115
2116 /* Compatibility bits for old machine types: */
2117 bool enable_cpuid_0xb;
2118
2119 /* Enable auto level-increase for all CPUID leaves */
2120 bool full_cpuid_auto_level;
2121
2122 /* Only advertise CPUID leaves defined by the vendor */
2123 bool vendor_cpuid_only;
2124
2125 /* Only advertise TOPOEXT features that AMD defines */
2126 bool amd_topoext_features_only;
2127
2128 /* Enable auto level-increase for Intel Processor Trace leave */
2129 bool intel_pt_auto_level;
2130
2131 /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
2132 bool fill_mtrr_mask;
2133
2134 /* if true override the phys_bits value with a value read from the host */
2135 bool host_phys_bits;
2136
2137 /* if set, limit maximum value for phys_bits when host_phys_bits is true */
2138 uint8_t host_phys_bits_limit;
2139
2140 /* Forcefully disable KVM PV features not exposed in guest CPUIDs */
2141 bool kvm_pv_enforce_cpuid;
2142
2143 /* Number of physical address bits supported */
2144 uint32_t phys_bits;
2145
2146 /*
2147 * Number of guest physical address bits available. Usually this is
2148 * identical to host physical address bits. With NPT or EPT 4-level
2149 * paging, guest physical address space might be restricted to 48 bits
2150 * even if the host cpu supports more physical address bits.
2151 */
2152 uint32_t guest_phys_bits;
2153
2154 /* in order to simplify APIC support, we leave this pointer to the
2155 user */
2156 struct DeviceState *apic_state;
2157 struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
2158 Notifier machine_done;
2159
2160 struct kvm_msrs *kvm_msr_buf;
2161
2162 int32_t node_id; /* NUMA node this CPU belongs to */
2163 int32_t socket_id;
2164 int32_t die_id;
2165 int32_t module_id;
2166 int32_t core_id;
2167 int32_t thread_id;
2168
2169 int32_t hv_max_vps;
2170
2171 bool xen_vapic;
2172 };
2173
2174 typedef struct X86CPUModel X86CPUModel;
2175
2176 /**
2177 * X86CPUClass:
2178 * @cpu_def: CPU model definition
2179 * @host_cpuid_required: Whether CPU model requires cpuid from host.
2180 * @ordering: Ordering on the "-cpu help" CPU model list.
2181 * @migration_safe: See CpuDefinitionInfo::migration_safe
2182 * @static_model: See CpuDefinitionInfo::static
2183 * @parent_realize: The parent class' realize handler.
2184 * @parent_phases: The parent class' reset phase handlers.
2185 *
2186 * An x86 CPU model or family.
2187 */
2188 struct X86CPUClass {
2189 CPUClass parent_class;
2190
2191 /*
2192 * CPU definition, automatically loaded by instance_init if not NULL.
2193 * Should be eventually replaced by subclass-specific property defaults.
2194 */
2195 X86CPUModel *model;
2196
2197 bool host_cpuid_required;
2198 int ordering;
2199 bool migration_safe;
2200 bool static_model;
2201
2202 /*
2203 * Optional description of CPU model.
2204 * If unavailable, cpu_def->model_id is used.
2205 */
2206 const char *model_description;
2207
2208 DeviceRealize parent_realize;
2209 DeviceUnrealize parent_unrealize;
2210 ResettablePhases parent_phases;
2211 };
2212
2213 #ifndef CONFIG_USER_ONLY
2214 extern const VMStateDescription vmstate_x86_cpu;
2215 #endif
2216
2217 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
2218
2219 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
2220 int cpuid, DumpState *s);
2221 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
2222 int cpuid, DumpState *s);
2223 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2224 DumpState *s);
2225 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2226 DumpState *s);
2227
2228 bool x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
2229 Error **errp);
2230
2231 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
2232
2233 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
2234 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
2235
2236 void x86_cpu_list(void);
2237 int cpu_x86_support_mca_broadcast(CPUX86State *env);
2238
2239 #ifndef CONFIG_USER_ONLY
2240 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
2241 MemTxAttrs *attrs);
2242 int cpu_get_pic_interrupt(CPUX86State *s);
2243
2244 /* MS-DOS compatibility mode FPU exception support */
2245 void x86_register_ferr_irq(qemu_irq irq);
2246 void fpu_check_raise_ferr_irq(CPUX86State *s);
2247 void cpu_set_ignne(void);
2248 void cpu_clear_ignne(void);
2249 #endif
2250
2251 /* mpx_helper.c */
2252 void cpu_sync_bndcs_hflags(CPUX86State *env);
2253
2254 /* this function must always be used to load data in the segment
2255 cache: it synchronizes the hflags with the segment cache values */
cpu_x86_load_seg_cache(CPUX86State * env,X86Seg seg_reg,unsigned int selector,target_ulong base,unsigned int limit,unsigned int flags)2256 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
2257 X86Seg seg_reg, unsigned int selector,
2258 target_ulong base,
2259 unsigned int limit,
2260 unsigned int flags)
2261 {
2262 SegmentCache *sc;
2263 unsigned int new_hflags;
2264
2265 sc = &env->segs[seg_reg];
2266 sc->selector = selector;
2267 sc->base = base;
2268 sc->limit = limit;
2269 sc->flags = flags;
2270
2271 /* update the hidden flags */
2272 {
2273 if (seg_reg == R_CS) {
2274 #ifdef TARGET_X86_64
2275 if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
2276 /* long mode */
2277 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
2278 env->hflags &= ~(HF_ADDSEG_MASK);
2279 } else
2280 #endif
2281 {
2282 /* legacy / compatibility case */
2283 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
2284 >> (DESC_B_SHIFT - HF_CS32_SHIFT);
2285 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
2286 new_hflags;
2287 }
2288 }
2289 if (seg_reg == R_SS) {
2290 int cpl = (flags >> DESC_DPL_SHIFT) & 3;
2291 #if HF_CPL_MASK != 3
2292 #error HF_CPL_MASK is hardcoded
2293 #endif
2294 env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
2295 /* Possibly switch between BNDCFGS and BNDCFGU */
2296 cpu_sync_bndcs_hflags(env);
2297 }
2298 new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
2299 >> (DESC_B_SHIFT - HF_SS32_SHIFT);
2300 if (env->hflags & HF_CS64_MASK) {
2301 /* zero base assumed for DS, ES and SS in long mode */
2302 } else if (!(env->cr[0] & CR0_PE_MASK) ||
2303 (env->eflags & VM_MASK) ||
2304 !(env->hflags & HF_CS32_MASK)) {
2305 /* XXX: try to avoid this test. The problem comes from the
2306 fact that is real mode or vm86 mode we only modify the
2307 'base' and 'selector' fields of the segment cache to go
2308 faster. A solution may be to force addseg to one in
2309 translate-i386.c. */
2310 new_hflags |= HF_ADDSEG_MASK;
2311 } else {
2312 new_hflags |= ((env->segs[R_DS].base |
2313 env->segs[R_ES].base |
2314 env->segs[R_SS].base) != 0) <<
2315 HF_ADDSEG_SHIFT;
2316 }
2317 env->hflags = (env->hflags &
2318 ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
2319 }
2320 }
2321
cpu_x86_load_seg_cache_sipi(X86CPU * cpu,uint8_t sipi_vector)2322 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
2323 uint8_t sipi_vector)
2324 {
2325 CPUState *cs = CPU(cpu);
2326 CPUX86State *env = &cpu->env;
2327
2328 env->eip = 0;
2329 cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
2330 sipi_vector << 12,
2331 env->segs[R_CS].limit,
2332 env->segs[R_CS].flags);
2333 cs->halted = 0;
2334 }
2335
2336 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
2337 target_ulong *base, unsigned int *limit,
2338 unsigned int *flags);
2339
2340 /* op_helper.c */
2341 /* used for debug or cpu save/restore */
2342
2343 /* cpu-exec.c */
2344 /*
2345 * The following helpers are only usable in user mode simulation.
2346 * The host pointers should come from lock_user().
2347 */
2348 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
2349 void cpu_x86_fsave(CPUX86State *s, void *host, size_t len);
2350 void cpu_x86_frstor(CPUX86State *s, void *host, size_t len);
2351 void cpu_x86_fxsave(CPUX86State *s, void *host, size_t len);
2352 void cpu_x86_fxrstor(CPUX86State *s, void *host, size_t len);
2353 void cpu_x86_xsave(CPUX86State *s, void *host, size_t len, uint64_t rbfm);
2354 bool cpu_x86_xrstor(CPUX86State *s, void *host, size_t len, uint64_t rbfm);
2355
2356 /* cpu.c */
2357 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
2358 uint32_t vendor2, uint32_t vendor3);
2359 typedef struct PropValue {
2360 const char *prop, *value;
2361 } PropValue;
2362 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props);
2363
2364 void x86_cpu_after_reset(X86CPU *cpu);
2365
2366 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env);
2367
2368 /* cpu.c other functions (cpuid) */
2369 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2370 uint32_t *eax, uint32_t *ebx,
2371 uint32_t *ecx, uint32_t *edx);
2372 void cpu_clear_apic_feature(CPUX86State *env);
2373 void cpu_set_apic_feature(CPUX86State *env);
2374 void host_cpuid(uint32_t function, uint32_t count,
2375 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
2376 bool cpu_has_x2apic_feature(CPUX86State *env);
2377
2378 /* helper.c */
2379 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
2380 void cpu_sync_avx_hflag(CPUX86State *env);
2381
2382 #ifndef CONFIG_USER_ONLY
x86_asidx_from_attrs(CPUState * cs,MemTxAttrs attrs)2383 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
2384 {
2385 return !!attrs.secure;
2386 }
2387
cpu_addressspace(CPUState * cs,MemTxAttrs attrs)2388 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
2389 {
2390 return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
2391 }
2392
2393 /*
2394 * load efer and update the corresponding hflags. XXX: do consistency
2395 * checks with cpuid bits?
2396 */
2397 void cpu_load_efer(CPUX86State *env, uint64_t val);
2398 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
2399 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
2400 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
2401 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
2402 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
2403 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
2404 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
2405 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
2406 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
2407 #endif
2408
2409 /* will be suppressed */
2410 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
2411 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
2412 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
2413 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
2414
2415 /* hw/pc.c */
2416 uint64_t cpu_get_tsc(CPUX86State *env);
2417
2418 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
2419
2420 #ifdef TARGET_X86_64
2421 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
2422 #else
2423 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
2424 #endif
2425
2426 #define cpu_list x86_cpu_list
2427
2428 /* MMU modes definitions */
2429 #define MMU_KSMAP64_IDX 0
2430 #define MMU_KSMAP32_IDX 1
2431 #define MMU_USER64_IDX 2
2432 #define MMU_USER32_IDX 3
2433 #define MMU_KNOSMAP64_IDX 4
2434 #define MMU_KNOSMAP32_IDX 5
2435 #define MMU_PHYS_IDX 6
2436 #define MMU_NESTED_IDX 7
2437
2438 #ifdef CONFIG_USER_ONLY
2439 #ifdef TARGET_X86_64
2440 #define MMU_USER_IDX MMU_USER64_IDX
2441 #else
2442 #define MMU_USER_IDX MMU_USER32_IDX
2443 #endif
2444 #endif
2445
is_mmu_index_smap(int mmu_index)2446 static inline bool is_mmu_index_smap(int mmu_index)
2447 {
2448 return (mmu_index & ~1) == MMU_KSMAP64_IDX;
2449 }
2450
is_mmu_index_user(int mmu_index)2451 static inline bool is_mmu_index_user(int mmu_index)
2452 {
2453 return (mmu_index & ~1) == MMU_USER64_IDX;
2454 }
2455
is_mmu_index_32(int mmu_index)2456 static inline bool is_mmu_index_32(int mmu_index)
2457 {
2458 assert(mmu_index < MMU_PHYS_IDX);
2459 return mmu_index & 1;
2460 }
2461
2462 int x86_mmu_index_pl(CPUX86State *env, unsigned pl);
2463 int cpu_mmu_index_kernel(CPUX86State *env);
2464
2465 #define CC_DST (env->cc_dst)
2466 #define CC_SRC (env->cc_src)
2467 #define CC_SRC2 (env->cc_src2)
2468 #define CC_OP (env->cc_op)
2469
2470 #include "exec/cpu-all.h"
2471 #include "svm.h"
2472
2473 #if !defined(CONFIG_USER_ONLY)
2474 #include "hw/i386/apic.h"
2475 #endif
2476
cpu_get_tb_cpu_state(CPUX86State * env,vaddr * pc,uint64_t * cs_base,uint32_t * flags)2477 static inline void cpu_get_tb_cpu_state(CPUX86State *env, vaddr *pc,
2478 uint64_t *cs_base, uint32_t *flags)
2479 {
2480 *flags = env->hflags |
2481 (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2482 if (env->hflags & HF_CS64_MASK) {
2483 *cs_base = 0;
2484 *pc = env->eip;
2485 } else {
2486 *cs_base = env->segs[R_CS].base;
2487 *pc = (uint32_t)(*cs_base + env->eip);
2488 }
2489 }
2490
2491 void do_cpu_init(X86CPU *cpu);
2492
2493 #define MCE_INJECT_BROADCAST 1
2494 #define MCE_INJECT_UNCOND_AO 2
2495
2496 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2497 uint64_t status, uint64_t mcg_status, uint64_t addr,
2498 uint64_t misc, int flags);
2499
2500 uint32_t cpu_cc_compute_all(CPUX86State *env1);
2501
cpu_compute_eflags(CPUX86State * env)2502 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2503 {
2504 uint32_t eflags = env->eflags;
2505 if (tcg_enabled()) {
2506 eflags |= cpu_cc_compute_all(env) | (env->df & DF_MASK);
2507 }
2508 return eflags;
2509 }
2510
cpu_get_mem_attrs(CPUX86State * env)2511 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2512 {
2513 return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2514 }
2515
x86_get_a20_mask(CPUX86State * env)2516 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2517 {
2518 if (env->hflags & HF_SMM_MASK) {
2519 return -1;
2520 } else {
2521 return env->a20_mask;
2522 }
2523 }
2524
cpu_has_vmx(CPUX86State * env)2525 static inline bool cpu_has_vmx(CPUX86State *env)
2526 {
2527 return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2528 }
2529
cpu_has_svm(CPUX86State * env)2530 static inline bool cpu_has_svm(CPUX86State *env)
2531 {
2532 return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2533 }
2534
2535 /*
2536 * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2537 * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2538 * VMX operation. This is because CR4.VMXE is one of the bits set
2539 * in MSR_IA32_VMX_CR4_FIXED1.
2540 *
2541 * There is one exception to above statement when vCPU enters SMM mode.
2542 * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2543 * may also reset CR4.VMXE during execution in SMM mode.
2544 * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2545 * and CR4.VMXE is restored to it's original value of being set.
2546 *
2547 * Therefore, when vCPU is not in SMM mode, we can infer whether
2548 * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2549 * know for certain.
2550 */
cpu_vmx_maybe_enabled(CPUX86State * env)2551 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2552 {
2553 return cpu_has_vmx(env) &&
2554 ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2555 }
2556
2557 /* excp_helper.c */
2558 int get_pg_mode(CPUX86State *env);
2559
2560 /* fpu_helper.c */
2561 void update_fp_status(CPUX86State *env);
2562 void update_mxcsr_status(CPUX86State *env);
2563 void update_mxcsr_from_sse_status(CPUX86State *env);
2564
cpu_set_mxcsr(CPUX86State * env,uint32_t mxcsr)2565 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2566 {
2567 env->mxcsr = mxcsr;
2568 if (tcg_enabled()) {
2569 update_mxcsr_status(env);
2570 }
2571 }
2572
cpu_set_fpuc(CPUX86State * env,uint16_t fpuc)2573 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2574 {
2575 env->fpuc = fpuc;
2576 if (tcg_enabled()) {
2577 update_fp_status(env);
2578 }
2579 }
2580
2581 /* svm_helper.c */
2582 #ifdef CONFIG_USER_ONLY
2583 static inline void
cpu_svm_check_intercept_param(CPUX86State * env1,uint32_t type,uint64_t param,uintptr_t retaddr)2584 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2585 uint64_t param, uintptr_t retaddr)
2586 { /* no-op */ }
2587 static inline bool
cpu_svm_has_intercept(CPUX86State * env,uint32_t type)2588 cpu_svm_has_intercept(CPUX86State *env, uint32_t type)
2589 { return false; }
2590 #else
2591 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2592 uint64_t param, uintptr_t retaddr);
2593 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type);
2594 #endif
2595
2596 /* apic.c */
2597 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2598 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2599 TPRAccess access);
2600
2601 /* Special values for X86CPUVersion: */
2602
2603 /* Resolve to latest CPU version */
2604 #define CPU_VERSION_LATEST -1
2605
2606 /*
2607 * Resolve to version defined by current machine type.
2608 * See x86_cpu_set_default_version()
2609 */
2610 #define CPU_VERSION_AUTO -2
2611
2612 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2613 #define CPU_VERSION_LEGACY 0
2614
2615 typedef int X86CPUVersion;
2616
2617 /*
2618 * Set default CPU model version for CPU models having
2619 * version == CPU_VERSION_AUTO.
2620 */
2621 void x86_cpu_set_default_version(X86CPUVersion version);
2622
2623 #ifndef CONFIG_USER_ONLY
2624
2625 void do_cpu_sipi(X86CPU *cpu);
2626
2627 #define APIC_DEFAULT_ADDRESS 0xfee00000
2628 #define APIC_SPACE_SIZE 0x100000
2629
2630 /* cpu-dump.c */
2631 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2632
2633 #endif
2634
2635 /* cpu.c */
2636 bool cpu_is_bsp(X86CPU *cpu);
2637
2638 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen);
2639 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen);
2640 uint32_t xsave_area_size(uint64_t mask, bool compacted);
2641 void x86_update_hflags(CPUX86State* env);
2642
hyperv_feat_enabled(X86CPU * cpu,int feat)2643 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2644 {
2645 return !!(cpu->hyperv_features & BIT(feat));
2646 }
2647
cr4_reserved_bits(CPUX86State * env)2648 static inline uint64_t cr4_reserved_bits(CPUX86State *env)
2649 {
2650 uint64_t reserved_bits = CR4_RESERVED_MASK;
2651 if (!env->features[FEAT_XSAVE]) {
2652 reserved_bits |= CR4_OSXSAVE_MASK;
2653 }
2654 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) {
2655 reserved_bits |= CR4_SMEP_MASK;
2656 }
2657 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
2658 reserved_bits |= CR4_SMAP_MASK;
2659 }
2660 if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) {
2661 reserved_bits |= CR4_FSGSBASE_MASK;
2662 }
2663 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) {
2664 reserved_bits |= CR4_PKE_MASK;
2665 }
2666 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) {
2667 reserved_bits |= CR4_LA57_MASK;
2668 }
2669 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) {
2670 reserved_bits |= CR4_UMIP_MASK;
2671 }
2672 if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) {
2673 reserved_bits |= CR4_PKS_MASK;
2674 }
2675 if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_LAM)) {
2676 reserved_bits |= CR4_LAM_SUP_MASK;
2677 }
2678 if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_FRED)) {
2679 reserved_bits |= CR4_FRED_MASK;
2680 }
2681 return reserved_bits;
2682 }
2683
ctl_has_irq(CPUX86State * env)2684 static inline bool ctl_has_irq(CPUX86State *env)
2685 {
2686 uint32_t int_prio;
2687 uint32_t tpr;
2688
2689 int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT;
2690 tpr = env->int_ctl & V_TPR_MASK;
2691
2692 if (env->int_ctl & V_IGN_TPR_MASK) {
2693 return (env->int_ctl & V_IRQ_MASK);
2694 }
2695
2696 return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr);
2697 }
2698
2699 #if defined(TARGET_X86_64) && \
2700 defined(CONFIG_USER_ONLY) && \
2701 defined(CONFIG_LINUX)
2702 # define TARGET_VSYSCALL_PAGE (UINT64_C(-10) << 20)
2703 #endif
2704
2705 #endif /* I386_CPU_H */
2706