xref: /openbmc/qemu/target/i386/cpu.h (revision 932a8d1f)
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 "qapi/qapi-types-common.h"
28 
29 /* The x86 has a strong memory model with some store-after-load re-ordering */
30 #define TCG_GUEST_DEFAULT_MO      (TCG_MO_ALL & ~TCG_MO_ST_LD)
31 
32 #define KVM_HAVE_MCE_INJECTION 1
33 
34 /* support for self modifying code even if the modified instruction is
35    close to the modifying instruction */
36 #define TARGET_HAS_PRECISE_SMC
37 
38 #ifdef TARGET_X86_64
39 #define I386_ELF_MACHINE  EM_X86_64
40 #define ELF_MACHINE_UNAME "x86_64"
41 #else
42 #define I386_ELF_MACHINE  EM_386
43 #define ELF_MACHINE_UNAME "i686"
44 #endif
45 
46 enum {
47     R_EAX = 0,
48     R_ECX = 1,
49     R_EDX = 2,
50     R_EBX = 3,
51     R_ESP = 4,
52     R_EBP = 5,
53     R_ESI = 6,
54     R_EDI = 7,
55     R_R8 = 8,
56     R_R9 = 9,
57     R_R10 = 10,
58     R_R11 = 11,
59     R_R12 = 12,
60     R_R13 = 13,
61     R_R14 = 14,
62     R_R15 = 15,
63 
64     R_AL = 0,
65     R_CL = 1,
66     R_DL = 2,
67     R_BL = 3,
68     R_AH = 4,
69     R_CH = 5,
70     R_DH = 6,
71     R_BH = 7,
72 };
73 
74 typedef enum X86Seg {
75     R_ES = 0,
76     R_CS = 1,
77     R_SS = 2,
78     R_DS = 3,
79     R_FS = 4,
80     R_GS = 5,
81     R_LDTR = 6,
82     R_TR = 7,
83 } X86Seg;
84 
85 /* segment descriptor fields */
86 #define DESC_G_SHIFT    23
87 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
88 #define DESC_B_SHIFT    22
89 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
90 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
91 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
92 #define DESC_AVL_SHIFT  20
93 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
94 #define DESC_P_SHIFT    15
95 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
96 #define DESC_DPL_SHIFT  13
97 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
98 #define DESC_S_SHIFT    12
99 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
100 #define DESC_TYPE_SHIFT 8
101 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
102 #define DESC_A_MASK     (1 << 8)
103 
104 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
105 #define DESC_C_MASK     (1 << 10) /* code: conforming */
106 #define DESC_R_MASK     (1 << 9)  /* code: readable */
107 
108 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
109 #define DESC_W_MASK     (1 << 9)  /* data: writable */
110 
111 #define DESC_TSS_BUSY_MASK (1 << 9)
112 
113 /* eflags masks */
114 #define CC_C    0x0001
115 #define CC_P    0x0004
116 #define CC_A    0x0010
117 #define CC_Z    0x0040
118 #define CC_S    0x0080
119 #define CC_O    0x0800
120 
121 #define TF_SHIFT   8
122 #define IOPL_SHIFT 12
123 #define VM_SHIFT   17
124 
125 #define TF_MASK                 0x00000100
126 #define IF_MASK                 0x00000200
127 #define DF_MASK                 0x00000400
128 #define IOPL_MASK               0x00003000
129 #define NT_MASK                 0x00004000
130 #define RF_MASK                 0x00010000
131 #define VM_MASK                 0x00020000
132 #define AC_MASK                 0x00040000
133 #define VIF_MASK                0x00080000
134 #define VIP_MASK                0x00100000
135 #define ID_MASK                 0x00200000
136 
137 /* hidden flags - used internally by qemu to represent additional cpu
138    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
139    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
140    positions to ease oring with eflags. */
141 /* current cpl */
142 #define HF_CPL_SHIFT         0
143 /* true if hardware interrupts must be disabled for next instruction */
144 #define HF_INHIBIT_IRQ_SHIFT 3
145 /* 16 or 32 segments */
146 #define HF_CS32_SHIFT        4
147 #define HF_SS32_SHIFT        5
148 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
149 #define HF_ADDSEG_SHIFT      6
150 /* copy of CR0.PE (protected mode) */
151 #define HF_PE_SHIFT          7
152 #define HF_TF_SHIFT          8 /* must be same as eflags */
153 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
154 #define HF_EM_SHIFT         10
155 #define HF_TS_SHIFT         11
156 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
157 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
158 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
159 #define HF_RF_SHIFT         16 /* must be same as eflags */
160 #define HF_VM_SHIFT         17 /* must be same as eflags */
161 #define HF_AC_SHIFT         18 /* must be same as eflags */
162 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
163 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
164 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
165 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
166 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
167 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
168 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
169 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
170 
171 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
172 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
173 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
174 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
175 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
176 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
177 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
178 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
179 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
180 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
181 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
182 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
183 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
184 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
185 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
186 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
187 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
188 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
189 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
190 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
191 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
192 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
193 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
194 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
195 
196 /* hflags2 */
197 
198 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
199 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
200 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
201 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
202 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
203 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
204 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
205 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
206 
207 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
208 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
209 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
210 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
211 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
212 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
213 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
214 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
215 
216 #define CR0_PE_SHIFT 0
217 #define CR0_MP_SHIFT 1
218 
219 #define CR0_PE_MASK  (1U << 0)
220 #define CR0_MP_MASK  (1U << 1)
221 #define CR0_EM_MASK  (1U << 2)
222 #define CR0_TS_MASK  (1U << 3)
223 #define CR0_ET_MASK  (1U << 4)
224 #define CR0_NE_MASK  (1U << 5)
225 #define CR0_WP_MASK  (1U << 16)
226 #define CR0_AM_MASK  (1U << 18)
227 #define CR0_PG_MASK  (1U << 31)
228 
229 #define CR4_VME_MASK  (1U << 0)
230 #define CR4_PVI_MASK  (1U << 1)
231 #define CR4_TSD_MASK  (1U << 2)
232 #define CR4_DE_MASK   (1U << 3)
233 #define CR4_PSE_MASK  (1U << 4)
234 #define CR4_PAE_MASK  (1U << 5)
235 #define CR4_MCE_MASK  (1U << 6)
236 #define CR4_PGE_MASK  (1U << 7)
237 #define CR4_PCE_MASK  (1U << 8)
238 #define CR4_OSFXSR_SHIFT 9
239 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
240 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
241 #define CR4_LA57_MASK   (1U << 12)
242 #define CR4_VMXE_MASK   (1U << 13)
243 #define CR4_SMXE_MASK   (1U << 14)
244 #define CR4_FSGSBASE_MASK (1U << 16)
245 #define CR4_PCIDE_MASK  (1U << 17)
246 #define CR4_OSXSAVE_MASK (1U << 18)
247 #define CR4_SMEP_MASK   (1U << 20)
248 #define CR4_SMAP_MASK   (1U << 21)
249 #define CR4_PKE_MASK   (1U << 22)
250 #define CR4_PKS_MASK   (1U << 24)
251 
252 #define DR6_BD          (1 << 13)
253 #define DR6_BS          (1 << 14)
254 #define DR6_BT          (1 << 15)
255 #define DR6_FIXED_1     0xffff0ff0
256 
257 #define DR7_GD          (1 << 13)
258 #define DR7_TYPE_SHIFT  16
259 #define DR7_LEN_SHIFT   18
260 #define DR7_FIXED_1     0x00000400
261 #define DR7_GLOBAL_BP_MASK   0xaa
262 #define DR7_LOCAL_BP_MASK    0x55
263 #define DR7_MAX_BP           4
264 #define DR7_TYPE_BP_INST     0x0
265 #define DR7_TYPE_DATA_WR     0x1
266 #define DR7_TYPE_IO_RW       0x2
267 #define DR7_TYPE_DATA_RW     0x3
268 
269 #define PG_PRESENT_BIT  0
270 #define PG_RW_BIT       1
271 #define PG_USER_BIT     2
272 #define PG_PWT_BIT      3
273 #define PG_PCD_BIT      4
274 #define PG_ACCESSED_BIT 5
275 #define PG_DIRTY_BIT    6
276 #define PG_PSE_BIT      7
277 #define PG_GLOBAL_BIT   8
278 #define PG_PSE_PAT_BIT  12
279 #define PG_PKRU_BIT     59
280 #define PG_NX_BIT       63
281 
282 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
283 #define PG_RW_MASK       (1 << PG_RW_BIT)
284 #define PG_USER_MASK     (1 << PG_USER_BIT)
285 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
286 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
287 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
288 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
289 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
290 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
291 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
292 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
293 #define PG_HI_RSVD_MASK  (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK)
294 #define PG_HI_USER_MASK  0x7ff0000000000000LL
295 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
296 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
297 
298 #define PG_ERROR_W_BIT     1
299 
300 #define PG_ERROR_P_MASK    0x01
301 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
302 #define PG_ERROR_U_MASK    0x04
303 #define PG_ERROR_RSVD_MASK 0x08
304 #define PG_ERROR_I_D_MASK  0x10
305 #define PG_ERROR_PK_MASK   0x20
306 
307 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
308 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
309 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
310 
311 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
312 #define MCE_BANKS_DEF   10
313 
314 #define MCG_CAP_BANKS_MASK 0xff
315 
316 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
317 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
318 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
319 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
320 
321 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
322 
323 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
324 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
325 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
326 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
327 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
328 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
329 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
330 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
331 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
332 
333 /* MISC register defines */
334 #define MCM_ADDR_SEGOFF  0      /* segment offset */
335 #define MCM_ADDR_LINEAR  1      /* linear address */
336 #define MCM_ADDR_PHYS    2      /* physical address */
337 #define MCM_ADDR_MEM     3      /* memory address */
338 #define MCM_ADDR_GENERIC 7      /* generic */
339 
340 #define MSR_IA32_TSC                    0x10
341 #define MSR_IA32_APICBASE               0x1b
342 #define MSR_IA32_APICBASE_BSP           (1<<8)
343 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
344 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
345 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
346 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
347 #define MSR_TSC_ADJUST                  0x0000003b
348 #define MSR_IA32_SPEC_CTRL              0x48
349 #define MSR_VIRT_SSBD                   0xc001011f
350 #define MSR_IA32_PRED_CMD               0x49
351 #define MSR_IA32_UCODE_REV              0x8b
352 #define MSR_IA32_CORE_CAPABILITY        0xcf
353 
354 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
355 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
356 
357 #define MSR_IA32_PERF_CAPABILITIES      0x345
358 
359 #define MSR_IA32_TSX_CTRL		0x122
360 #define MSR_IA32_TSCDEADLINE            0x6e0
361 #define MSR_IA32_PKRS                   0x6e1
362 
363 #define FEATURE_CONTROL_LOCKED                    (1<<0)
364 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
365 #define FEATURE_CONTROL_LMCE                      (1<<20)
366 
367 #define MSR_P6_PERFCTR0                 0xc1
368 
369 #define MSR_IA32_SMBASE                 0x9e
370 #define MSR_SMI_COUNT                   0x34
371 #define MSR_MTRRcap                     0xfe
372 #define MSR_MTRRcap_VCNT                8
373 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
374 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
375 
376 #define MSR_IA32_SYSENTER_CS            0x174
377 #define MSR_IA32_SYSENTER_ESP           0x175
378 #define MSR_IA32_SYSENTER_EIP           0x176
379 
380 #define MSR_MCG_CAP                     0x179
381 #define MSR_MCG_STATUS                  0x17a
382 #define MSR_MCG_CTL                     0x17b
383 #define MSR_MCG_EXT_CTL                 0x4d0
384 
385 #define MSR_P6_EVNTSEL0                 0x186
386 
387 #define MSR_IA32_PERF_STATUS            0x198
388 
389 #define MSR_IA32_MISC_ENABLE            0x1a0
390 /* Indicates good rep/movs microcode on some processors: */
391 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
392 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
393 
394 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
395 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
396 
397 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
398 
399 #define MSR_MTRRfix64K_00000            0x250
400 #define MSR_MTRRfix16K_80000            0x258
401 #define MSR_MTRRfix16K_A0000            0x259
402 #define MSR_MTRRfix4K_C0000             0x268
403 #define MSR_MTRRfix4K_C8000             0x269
404 #define MSR_MTRRfix4K_D0000             0x26a
405 #define MSR_MTRRfix4K_D8000             0x26b
406 #define MSR_MTRRfix4K_E0000             0x26c
407 #define MSR_MTRRfix4K_E8000             0x26d
408 #define MSR_MTRRfix4K_F0000             0x26e
409 #define MSR_MTRRfix4K_F8000             0x26f
410 
411 #define MSR_PAT                         0x277
412 
413 #define MSR_MTRRdefType                 0x2ff
414 
415 #define MSR_CORE_PERF_FIXED_CTR0        0x309
416 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
417 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
418 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
419 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
420 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
421 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
422 
423 #define MSR_MC0_CTL                     0x400
424 #define MSR_MC0_STATUS                  0x401
425 #define MSR_MC0_ADDR                    0x402
426 #define MSR_MC0_MISC                    0x403
427 
428 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
429 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
430 #define MSR_IA32_RTIT_CTL               0x570
431 #define MSR_IA32_RTIT_STATUS            0x571
432 #define MSR_IA32_RTIT_CR3_MATCH         0x572
433 #define MSR_IA32_RTIT_ADDR0_A           0x580
434 #define MSR_IA32_RTIT_ADDR0_B           0x581
435 #define MSR_IA32_RTIT_ADDR1_A           0x582
436 #define MSR_IA32_RTIT_ADDR1_B           0x583
437 #define MSR_IA32_RTIT_ADDR2_A           0x584
438 #define MSR_IA32_RTIT_ADDR2_B           0x585
439 #define MSR_IA32_RTIT_ADDR3_A           0x586
440 #define MSR_IA32_RTIT_ADDR3_B           0x587
441 #define MAX_RTIT_ADDRS                  8
442 
443 #define MSR_EFER                        0xc0000080
444 
445 #define MSR_EFER_SCE   (1 << 0)
446 #define MSR_EFER_LME   (1 << 8)
447 #define MSR_EFER_LMA   (1 << 10)
448 #define MSR_EFER_NXE   (1 << 11)
449 #define MSR_EFER_SVME  (1 << 12)
450 #define MSR_EFER_FFXSR (1 << 14)
451 
452 #define MSR_STAR                        0xc0000081
453 #define MSR_LSTAR                       0xc0000082
454 #define MSR_CSTAR                       0xc0000083
455 #define MSR_FMASK                       0xc0000084
456 #define MSR_FSBASE                      0xc0000100
457 #define MSR_GSBASE                      0xc0000101
458 #define MSR_KERNELGSBASE                0xc0000102
459 #define MSR_TSC_AUX                     0xc0000103
460 
461 #define MSR_VM_HSAVE_PA                 0xc0010117
462 
463 #define MSR_IA32_BNDCFGS                0x00000d90
464 #define MSR_IA32_XSS                    0x00000da0
465 #define MSR_IA32_UMWAIT_CONTROL         0xe1
466 
467 #define MSR_IA32_VMX_BASIC              0x00000480
468 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
469 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
470 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
471 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
472 #define MSR_IA32_VMX_MISC               0x00000485
473 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
474 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
475 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
476 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
477 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
478 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
479 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
480 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
481 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
482 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
483 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
484 #define MSR_IA32_VMX_VMFUNC             0x00000491
485 
486 #define XSTATE_FP_BIT                   0
487 #define XSTATE_SSE_BIT                  1
488 #define XSTATE_YMM_BIT                  2
489 #define XSTATE_BNDREGS_BIT              3
490 #define XSTATE_BNDCSR_BIT               4
491 #define XSTATE_OPMASK_BIT               5
492 #define XSTATE_ZMM_Hi256_BIT            6
493 #define XSTATE_Hi16_ZMM_BIT             7
494 #define XSTATE_PKRU_BIT                 9
495 
496 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
497 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
498 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
499 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
500 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
501 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
502 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
503 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
504 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
505 
506 /* CPUID feature words */
507 typedef enum FeatureWord {
508     FEAT_1_EDX,         /* CPUID[1].EDX */
509     FEAT_1_ECX,         /* CPUID[1].ECX */
510     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
511     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
512     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
513     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
514     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
515     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
516     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
517     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
518     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
519     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
520     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
521     FEAT_HYPERV_EAX,    /* CPUID[4000_0003].EAX */
522     FEAT_HYPERV_EBX,    /* CPUID[4000_0003].EBX */
523     FEAT_HYPERV_EDX,    /* CPUID[4000_0003].EDX */
524     FEAT_HV_RECOMM_EAX, /* CPUID[4000_0004].EAX */
525     FEAT_HV_NESTED_EAX, /* CPUID[4000_000A].EAX */
526     FEAT_SVM,           /* CPUID[8000_000A].EDX */
527     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
528     FEAT_6_EAX,         /* CPUID[6].EAX */
529     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
530     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
531     FEAT_ARCH_CAPABILITIES,
532     FEAT_CORE_CAPABILITY,
533     FEAT_PERF_CAPABILITIES,
534     FEAT_VMX_PROCBASED_CTLS,
535     FEAT_VMX_SECONDARY_CTLS,
536     FEAT_VMX_PINBASED_CTLS,
537     FEAT_VMX_EXIT_CTLS,
538     FEAT_VMX_ENTRY_CTLS,
539     FEAT_VMX_MISC,
540     FEAT_VMX_EPT_VPID_CAPS,
541     FEAT_VMX_BASIC,
542     FEAT_VMX_VMFUNC,
543     FEAT_14_0_ECX,
544     FEATURE_WORDS,
545 } FeatureWord;
546 
547 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
548 
549 /* cpuid_features bits */
550 #define CPUID_FP87 (1U << 0)
551 #define CPUID_VME  (1U << 1)
552 #define CPUID_DE   (1U << 2)
553 #define CPUID_PSE  (1U << 3)
554 #define CPUID_TSC  (1U << 4)
555 #define CPUID_MSR  (1U << 5)
556 #define CPUID_PAE  (1U << 6)
557 #define CPUID_MCE  (1U << 7)
558 #define CPUID_CX8  (1U << 8)
559 #define CPUID_APIC (1U << 9)
560 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
561 #define CPUID_MTRR (1U << 12)
562 #define CPUID_PGE  (1U << 13)
563 #define CPUID_MCA  (1U << 14)
564 #define CPUID_CMOV (1U << 15)
565 #define CPUID_PAT  (1U << 16)
566 #define CPUID_PSE36   (1U << 17)
567 #define CPUID_PN   (1U << 18)
568 #define CPUID_CLFLUSH (1U << 19)
569 #define CPUID_DTS (1U << 21)
570 #define CPUID_ACPI (1U << 22)
571 #define CPUID_MMX  (1U << 23)
572 #define CPUID_FXSR (1U << 24)
573 #define CPUID_SSE  (1U << 25)
574 #define CPUID_SSE2 (1U << 26)
575 #define CPUID_SS (1U << 27)
576 #define CPUID_HT (1U << 28)
577 #define CPUID_TM (1U << 29)
578 #define CPUID_IA64 (1U << 30)
579 #define CPUID_PBE (1U << 31)
580 
581 #define CPUID_EXT_SSE3     (1U << 0)
582 #define CPUID_EXT_PCLMULQDQ (1U << 1)
583 #define CPUID_EXT_DTES64   (1U << 2)
584 #define CPUID_EXT_MONITOR  (1U << 3)
585 #define CPUID_EXT_DSCPL    (1U << 4)
586 #define CPUID_EXT_VMX      (1U << 5)
587 #define CPUID_EXT_SMX      (1U << 6)
588 #define CPUID_EXT_EST      (1U << 7)
589 #define CPUID_EXT_TM2      (1U << 8)
590 #define CPUID_EXT_SSSE3    (1U << 9)
591 #define CPUID_EXT_CID      (1U << 10)
592 #define CPUID_EXT_FMA      (1U << 12)
593 #define CPUID_EXT_CX16     (1U << 13)
594 #define CPUID_EXT_XTPR     (1U << 14)
595 #define CPUID_EXT_PDCM     (1U << 15)
596 #define CPUID_EXT_PCID     (1U << 17)
597 #define CPUID_EXT_DCA      (1U << 18)
598 #define CPUID_EXT_SSE41    (1U << 19)
599 #define CPUID_EXT_SSE42    (1U << 20)
600 #define CPUID_EXT_X2APIC   (1U << 21)
601 #define CPUID_EXT_MOVBE    (1U << 22)
602 #define CPUID_EXT_POPCNT   (1U << 23)
603 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
604 #define CPUID_EXT_AES      (1U << 25)
605 #define CPUID_EXT_XSAVE    (1U << 26)
606 #define CPUID_EXT_OSXSAVE  (1U << 27)
607 #define CPUID_EXT_AVX      (1U << 28)
608 #define CPUID_EXT_F16C     (1U << 29)
609 #define CPUID_EXT_RDRAND   (1U << 30)
610 #define CPUID_EXT_HYPERVISOR  (1U << 31)
611 
612 #define CPUID_EXT2_FPU     (1U << 0)
613 #define CPUID_EXT2_VME     (1U << 1)
614 #define CPUID_EXT2_DE      (1U << 2)
615 #define CPUID_EXT2_PSE     (1U << 3)
616 #define CPUID_EXT2_TSC     (1U << 4)
617 #define CPUID_EXT2_MSR     (1U << 5)
618 #define CPUID_EXT2_PAE     (1U << 6)
619 #define CPUID_EXT2_MCE     (1U << 7)
620 #define CPUID_EXT2_CX8     (1U << 8)
621 #define CPUID_EXT2_APIC    (1U << 9)
622 #define CPUID_EXT2_SYSCALL (1U << 11)
623 #define CPUID_EXT2_MTRR    (1U << 12)
624 #define CPUID_EXT2_PGE     (1U << 13)
625 #define CPUID_EXT2_MCA     (1U << 14)
626 #define CPUID_EXT2_CMOV    (1U << 15)
627 #define CPUID_EXT2_PAT     (1U << 16)
628 #define CPUID_EXT2_PSE36   (1U << 17)
629 #define CPUID_EXT2_MP      (1U << 19)
630 #define CPUID_EXT2_NX      (1U << 20)
631 #define CPUID_EXT2_MMXEXT  (1U << 22)
632 #define CPUID_EXT2_MMX     (1U << 23)
633 #define CPUID_EXT2_FXSR    (1U << 24)
634 #define CPUID_EXT2_FFXSR   (1U << 25)
635 #define CPUID_EXT2_PDPE1GB (1U << 26)
636 #define CPUID_EXT2_RDTSCP  (1U << 27)
637 #define CPUID_EXT2_LM      (1U << 29)
638 #define CPUID_EXT2_3DNOWEXT (1U << 30)
639 #define CPUID_EXT2_3DNOW   (1U << 31)
640 
641 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
642 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
643                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
644                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
645                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
646                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
647                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
648                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
649                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
650                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
651 
652 #define CPUID_EXT3_LAHF_LM (1U << 0)
653 #define CPUID_EXT3_CMP_LEG (1U << 1)
654 #define CPUID_EXT3_SVM     (1U << 2)
655 #define CPUID_EXT3_EXTAPIC (1U << 3)
656 #define CPUID_EXT3_CR8LEG  (1U << 4)
657 #define CPUID_EXT3_ABM     (1U << 5)
658 #define CPUID_EXT3_SSE4A   (1U << 6)
659 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
660 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
661 #define CPUID_EXT3_OSVW    (1U << 9)
662 #define CPUID_EXT3_IBS     (1U << 10)
663 #define CPUID_EXT3_XOP     (1U << 11)
664 #define CPUID_EXT3_SKINIT  (1U << 12)
665 #define CPUID_EXT3_WDT     (1U << 13)
666 #define CPUID_EXT3_LWP     (1U << 15)
667 #define CPUID_EXT3_FMA4    (1U << 16)
668 #define CPUID_EXT3_TCE     (1U << 17)
669 #define CPUID_EXT3_NODEID  (1U << 19)
670 #define CPUID_EXT3_TBM     (1U << 21)
671 #define CPUID_EXT3_TOPOEXT (1U << 22)
672 #define CPUID_EXT3_PERFCORE (1U << 23)
673 #define CPUID_EXT3_PERFNB  (1U << 24)
674 
675 #define CPUID_SVM_NPT             (1U << 0)
676 #define CPUID_SVM_LBRV            (1U << 1)
677 #define CPUID_SVM_SVMLOCK         (1U << 2)
678 #define CPUID_SVM_NRIPSAVE        (1U << 3)
679 #define CPUID_SVM_TSCSCALE        (1U << 4)
680 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
681 #define CPUID_SVM_FLUSHASID       (1U << 6)
682 #define CPUID_SVM_DECODEASSIST    (1U << 7)
683 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
684 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
685 #define CPUID_SVM_AVIC            (1U << 13)
686 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
687 #define CPUID_SVM_VGIF            (1U << 16)
688 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
689 
690 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
691 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
692 /* 1st Group of Advanced Bit Manipulation Extensions */
693 #define CPUID_7_0_EBX_BMI1              (1U << 3)
694 /* Hardware Lock Elision */
695 #define CPUID_7_0_EBX_HLE               (1U << 4)
696 /* Intel Advanced Vector Extensions 2 */
697 #define CPUID_7_0_EBX_AVX2              (1U << 5)
698 /* Supervisor-mode Execution Prevention */
699 #define CPUID_7_0_EBX_SMEP              (1U << 7)
700 /* 2nd Group of Advanced Bit Manipulation Extensions */
701 #define CPUID_7_0_EBX_BMI2              (1U << 8)
702 /* Enhanced REP MOVSB/STOSB */
703 #define CPUID_7_0_EBX_ERMS              (1U << 9)
704 /* Invalidate Process-Context Identifier */
705 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
706 /* Restricted Transactional Memory */
707 #define CPUID_7_0_EBX_RTM               (1U << 11)
708 /* Memory Protection Extension */
709 #define CPUID_7_0_EBX_MPX               (1U << 14)
710 /* AVX-512 Foundation */
711 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
712 /* AVX-512 Doubleword & Quadword Instruction */
713 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
714 /* Read Random SEED */
715 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
716 /* ADCX and ADOX instructions */
717 #define CPUID_7_0_EBX_ADX               (1U << 19)
718 /* Supervisor Mode Access Prevention */
719 #define CPUID_7_0_EBX_SMAP              (1U << 20)
720 /* AVX-512 Integer Fused Multiply Add */
721 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
722 /* Persistent Commit */
723 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
724 /* Flush a Cache Line Optimized */
725 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
726 /* Cache Line Write Back */
727 #define CPUID_7_0_EBX_CLWB              (1U << 24)
728 /* Intel Processor Trace */
729 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
730 /* AVX-512 Prefetch */
731 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
732 /* AVX-512 Exponential and Reciprocal */
733 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
734 /* AVX-512 Conflict Detection */
735 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
736 /* SHA1/SHA256 Instruction Extensions */
737 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
738 /* AVX-512 Byte and Word Instructions */
739 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
740 /* AVX-512 Vector Length Extensions */
741 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
742 
743 /* AVX-512 Vector Byte Manipulation Instruction */
744 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
745 /* User-Mode Instruction Prevention */
746 #define CPUID_7_0_ECX_UMIP              (1U << 2)
747 /* Protection Keys for User-mode Pages */
748 #define CPUID_7_0_ECX_PKU               (1U << 3)
749 /* OS Enable Protection Keys */
750 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
751 /* UMONITOR/UMWAIT/TPAUSE Instructions */
752 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
753 /* Additional AVX-512 Vector Byte Manipulation Instruction */
754 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
755 /* Galois Field New Instructions */
756 #define CPUID_7_0_ECX_GFNI              (1U << 8)
757 /* Vector AES Instructions */
758 #define CPUID_7_0_ECX_VAES              (1U << 9)
759 /* Carry-Less Multiplication Quadword */
760 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
761 /* Vector Neural Network Instructions */
762 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
763 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
764 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
765 /* POPCNT for vectors of DW/QW */
766 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
767 /* 5-level Page Tables */
768 #define CPUID_7_0_ECX_LA57              (1U << 16)
769 /* Read Processor ID */
770 #define CPUID_7_0_ECX_RDPID             (1U << 22)
771 /* Cache Line Demote Instruction */
772 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
773 /* Move Doubleword as Direct Store Instruction */
774 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
775 /* Move 64 Bytes as Direct Store Instruction */
776 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
777 /* Protection Keys for Supervisor-mode Pages */
778 #define CPUID_7_0_ECX_PKS               (1U << 31)
779 
780 /* AVX512 Neural Network Instructions */
781 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
782 /* AVX512 Multiply Accumulation Single Precision */
783 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
784 /* Fast Short Rep Mov */
785 #define CPUID_7_0_EDX_FSRM              (1U << 4)
786 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
787 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
788 /* SERIALIZE instruction */
789 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
790 /* TSX Suspend Load Address Tracking instruction */
791 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
792 /* AVX512_FP16 instruction */
793 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
794 /* Speculation Control */
795 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
796 /* Single Thread Indirect Branch Predictors */
797 #define CPUID_7_0_EDX_STIBP             (1U << 27)
798 /* Arch Capabilities */
799 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
800 /* Core Capability */
801 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
802 /* Speculative Store Bypass Disable */
803 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
804 
805 /* AVX512 BFloat16 Instruction */
806 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
807 
808 /* Packets which contain IP payload have LIP values */
809 #define CPUID_14_0_ECX_LIP              (1U << 31)
810 
811 /* CLZERO instruction */
812 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
813 /* Always save/restore FP error pointers */
814 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
815 /* Write back and do not invalidate cache */
816 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
817 /* Indirect Branch Prediction Barrier */
818 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
819 /* Single Thread Indirect Branch Predictors */
820 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
821 
822 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
823 #define CPUID_XSAVE_XSAVEC     (1U << 1)
824 #define CPUID_XSAVE_XGETBV1    (1U << 2)
825 #define CPUID_XSAVE_XSAVES     (1U << 3)
826 
827 #define CPUID_6_EAX_ARAT       (1U << 2)
828 
829 /* CPUID[0x80000007].EDX flags: */
830 #define CPUID_APM_INVTSC       (1U << 8)
831 
832 #define CPUID_VENDOR_SZ      12
833 
834 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
835 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
836 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
837 #define CPUID_VENDOR_INTEL "GenuineIntel"
838 
839 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
840 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
841 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
842 #define CPUID_VENDOR_AMD   "AuthenticAMD"
843 
844 #define CPUID_VENDOR_VIA   "CentaurHauls"
845 
846 #define CPUID_VENDOR_HYGON    "HygonGenuine"
847 
848 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
849                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
850                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
851 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
852                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
853                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
854 
855 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
856 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
857 
858 /* CPUID[0xB].ECX level types */
859 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
860 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
861 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
862 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
863 
864 /* MSR Feature Bits */
865 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
866 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
867 #define MSR_ARCH_CAP_RSBA               (1U << 2)
868 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
869 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
870 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
871 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
872 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
873 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
874 
875 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
876 
877 /* VMX MSR features */
878 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
879 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
880 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
881 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
882 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
883 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
884 
885 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
886 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
887 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
888 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
889 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
890 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
891 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
892 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
893 
894 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
895 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
896 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
897 #define MSR_VMX_EPT_UC                               (1ULL << 8)
898 #define MSR_VMX_EPT_WB                               (1ULL << 14)
899 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
900 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
901 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
902 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
903 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
904 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
905 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
906 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
907 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
908 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
909 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
910 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
911 
912 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
913 
914 
915 /* VMX controls */
916 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
917 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
918 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
919 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
920 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
921 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
922 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
923 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
924 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
925 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
926 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
927 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
928 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
929 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
930 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
931 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
932 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
933 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
934 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
935 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
936 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
937 
938 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
939 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
940 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
941 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
942 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
943 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
944 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
945 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
946 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
947 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
948 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
949 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
950 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
951 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
952 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
953 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
954 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
955 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
956 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
957 
958 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
959 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
960 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
961 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
962 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
963 
964 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
965 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
966 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
967 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
968 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
969 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
970 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
971 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
972 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
973 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
974 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
975 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
976 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
977 
978 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
979 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
980 #define VMX_VM_ENTRY_SMM                            0x00000400
981 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
982 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
983 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
984 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
985 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
986 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
987 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
988 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
989 
990 /* Supported Hyper-V Enlightenments */
991 #define HYPERV_FEAT_RELAXED             0
992 #define HYPERV_FEAT_VAPIC               1
993 #define HYPERV_FEAT_TIME                2
994 #define HYPERV_FEAT_CRASH               3
995 #define HYPERV_FEAT_RESET               4
996 #define HYPERV_FEAT_VPINDEX             5
997 #define HYPERV_FEAT_RUNTIME             6
998 #define HYPERV_FEAT_SYNIC               7
999 #define HYPERV_FEAT_STIMER              8
1000 #define HYPERV_FEAT_FREQUENCIES         9
1001 #define HYPERV_FEAT_REENLIGHTENMENT     10
1002 #define HYPERV_FEAT_TLBFLUSH            11
1003 #define HYPERV_FEAT_EVMCS               12
1004 #define HYPERV_FEAT_IPI                 13
1005 #define HYPERV_FEAT_STIMER_DIRECT       14
1006 
1007 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1008 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1009 #endif
1010 
1011 #define EXCP00_DIVZ	0
1012 #define EXCP01_DB	1
1013 #define EXCP02_NMI	2
1014 #define EXCP03_INT3	3
1015 #define EXCP04_INTO	4
1016 #define EXCP05_BOUND	5
1017 #define EXCP06_ILLOP	6
1018 #define EXCP07_PREX	7
1019 #define EXCP08_DBLE	8
1020 #define EXCP09_XERR	9
1021 #define EXCP0A_TSS	10
1022 #define EXCP0B_NOSEG	11
1023 #define EXCP0C_STACK	12
1024 #define EXCP0D_GPF	13
1025 #define EXCP0E_PAGE	14
1026 #define EXCP10_COPR	16
1027 #define EXCP11_ALGN	17
1028 #define EXCP12_MCHK	18
1029 
1030 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1031 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1032 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1033 
1034 /* i386-specific interrupt pending bits.  */
1035 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1036 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1037 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1038 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1039 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1040 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1041 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1042 
1043 /* Use a clearer name for this.  */
1044 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1045 
1046 /* Instead of computing the condition codes after each x86 instruction,
1047  * QEMU just stores one operand (called CC_SRC), the result
1048  * (called CC_DST) and the type of operation (called CC_OP). When the
1049  * condition codes are needed, the condition codes can be calculated
1050  * using this information. Condition codes are not generated if they
1051  * are only needed for conditional branches.
1052  */
1053 typedef enum {
1054     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1055     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1056 
1057     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1058     CC_OP_MULW,
1059     CC_OP_MULL,
1060     CC_OP_MULQ,
1061 
1062     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1063     CC_OP_ADDW,
1064     CC_OP_ADDL,
1065     CC_OP_ADDQ,
1066 
1067     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1068     CC_OP_ADCW,
1069     CC_OP_ADCL,
1070     CC_OP_ADCQ,
1071 
1072     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1073     CC_OP_SUBW,
1074     CC_OP_SUBL,
1075     CC_OP_SUBQ,
1076 
1077     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1078     CC_OP_SBBW,
1079     CC_OP_SBBL,
1080     CC_OP_SBBQ,
1081 
1082     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1083     CC_OP_LOGICW,
1084     CC_OP_LOGICL,
1085     CC_OP_LOGICQ,
1086 
1087     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1088     CC_OP_INCW,
1089     CC_OP_INCL,
1090     CC_OP_INCQ,
1091 
1092     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1093     CC_OP_DECW,
1094     CC_OP_DECL,
1095     CC_OP_DECQ,
1096 
1097     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1098     CC_OP_SHLW,
1099     CC_OP_SHLL,
1100     CC_OP_SHLQ,
1101 
1102     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1103     CC_OP_SARW,
1104     CC_OP_SARL,
1105     CC_OP_SARQ,
1106 
1107     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1108     CC_OP_BMILGW,
1109     CC_OP_BMILGL,
1110     CC_OP_BMILGQ,
1111 
1112     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1113     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1114     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1115 
1116     CC_OP_CLR, /* Z set, all other flags clear.  */
1117     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1118 
1119     CC_OP_NB,
1120 } CCOp;
1121 
1122 typedef struct SegmentCache {
1123     uint32_t selector;
1124     target_ulong base;
1125     uint32_t limit;
1126     uint32_t flags;
1127 } SegmentCache;
1128 
1129 #define MMREG_UNION(n, bits)        \
1130     union n {                       \
1131         uint8_t  _b_##n[(bits)/8];  \
1132         uint16_t _w_##n[(bits)/16]; \
1133         uint32_t _l_##n[(bits)/32]; \
1134         uint64_t _q_##n[(bits)/64]; \
1135         float32  _s_##n[(bits)/32]; \
1136         float64  _d_##n[(bits)/64]; \
1137     }
1138 
1139 typedef union {
1140     uint8_t _b[16];
1141     uint16_t _w[8];
1142     uint32_t _l[4];
1143     uint64_t _q[2];
1144 } XMMReg;
1145 
1146 typedef union {
1147     uint8_t _b[32];
1148     uint16_t _w[16];
1149     uint32_t _l[8];
1150     uint64_t _q[4];
1151 } YMMReg;
1152 
1153 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1154 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1155 
1156 typedef struct BNDReg {
1157     uint64_t lb;
1158     uint64_t ub;
1159 } BNDReg;
1160 
1161 typedef struct BNDCSReg {
1162     uint64_t cfgu;
1163     uint64_t sts;
1164 } BNDCSReg;
1165 
1166 #define BNDCFG_ENABLE       1ULL
1167 #define BNDCFG_BNDPRESERVE  2ULL
1168 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1169 
1170 #ifdef HOST_WORDS_BIGENDIAN
1171 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1172 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1173 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1174 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1175 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1176 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1177 
1178 #define MMX_B(n) _b_MMXReg[7 - (n)]
1179 #define MMX_W(n) _w_MMXReg[3 - (n)]
1180 #define MMX_L(n) _l_MMXReg[1 - (n)]
1181 #define MMX_S(n) _s_MMXReg[1 - (n)]
1182 #else
1183 #define ZMM_B(n) _b_ZMMReg[n]
1184 #define ZMM_W(n) _w_ZMMReg[n]
1185 #define ZMM_L(n) _l_ZMMReg[n]
1186 #define ZMM_S(n) _s_ZMMReg[n]
1187 #define ZMM_Q(n) _q_ZMMReg[n]
1188 #define ZMM_D(n) _d_ZMMReg[n]
1189 
1190 #define MMX_B(n) _b_MMXReg[n]
1191 #define MMX_W(n) _w_MMXReg[n]
1192 #define MMX_L(n) _l_MMXReg[n]
1193 #define MMX_S(n) _s_MMXReg[n]
1194 #endif
1195 #define MMX_Q(n) _q_MMXReg[n]
1196 
1197 typedef union {
1198     floatx80 d __attribute__((aligned(16)));
1199     MMXReg mmx;
1200 } FPReg;
1201 
1202 typedef struct {
1203     uint64_t base;
1204     uint64_t mask;
1205 } MTRRVar;
1206 
1207 #define CPU_NB_REGS64 16
1208 #define CPU_NB_REGS32 8
1209 
1210 #ifdef TARGET_X86_64
1211 #define CPU_NB_REGS CPU_NB_REGS64
1212 #else
1213 #define CPU_NB_REGS CPU_NB_REGS32
1214 #endif
1215 
1216 #define MAX_FIXED_COUNTERS 3
1217 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1218 
1219 #define TARGET_INSN_START_EXTRA_WORDS 1
1220 
1221 #define NB_OPMASK_REGS 8
1222 
1223 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1224  * that APIC ID hasn't been set yet
1225  */
1226 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1227 
1228 typedef union X86LegacyXSaveArea {
1229     struct {
1230         uint16_t fcw;
1231         uint16_t fsw;
1232         uint8_t ftw;
1233         uint8_t reserved;
1234         uint16_t fpop;
1235         uint64_t fpip;
1236         uint64_t fpdp;
1237         uint32_t mxcsr;
1238         uint32_t mxcsr_mask;
1239         FPReg fpregs[8];
1240         uint8_t xmm_regs[16][16];
1241     };
1242     uint8_t data[512];
1243 } X86LegacyXSaveArea;
1244 
1245 typedef struct X86XSaveHeader {
1246     uint64_t xstate_bv;
1247     uint64_t xcomp_bv;
1248     uint64_t reserve0;
1249     uint8_t reserved[40];
1250 } X86XSaveHeader;
1251 
1252 /* Ext. save area 2: AVX State */
1253 typedef struct XSaveAVX {
1254     uint8_t ymmh[16][16];
1255 } XSaveAVX;
1256 
1257 /* Ext. save area 3: BNDREG */
1258 typedef struct XSaveBNDREG {
1259     BNDReg bnd_regs[4];
1260 } XSaveBNDREG;
1261 
1262 /* Ext. save area 4: BNDCSR */
1263 typedef union XSaveBNDCSR {
1264     BNDCSReg bndcsr;
1265     uint8_t data[64];
1266 } XSaveBNDCSR;
1267 
1268 /* Ext. save area 5: Opmask */
1269 typedef struct XSaveOpmask {
1270     uint64_t opmask_regs[NB_OPMASK_REGS];
1271 } XSaveOpmask;
1272 
1273 /* Ext. save area 6: ZMM_Hi256 */
1274 typedef struct XSaveZMM_Hi256 {
1275     uint8_t zmm_hi256[16][32];
1276 } XSaveZMM_Hi256;
1277 
1278 /* Ext. save area 7: Hi16_ZMM */
1279 typedef struct XSaveHi16_ZMM {
1280     uint8_t hi16_zmm[16][64];
1281 } XSaveHi16_ZMM;
1282 
1283 /* Ext. save area 9: PKRU state */
1284 typedef struct XSavePKRU {
1285     uint32_t pkru;
1286     uint32_t padding;
1287 } XSavePKRU;
1288 
1289 typedef struct X86XSaveArea {
1290     X86LegacyXSaveArea legacy;
1291     X86XSaveHeader header;
1292 
1293     /* Extended save areas: */
1294 
1295     /* AVX State: */
1296     XSaveAVX avx_state;
1297     uint8_t padding[960 - 576 - sizeof(XSaveAVX)];
1298     /* MPX State: */
1299     XSaveBNDREG bndreg_state;
1300     XSaveBNDCSR bndcsr_state;
1301     /* AVX-512 State: */
1302     XSaveOpmask opmask_state;
1303     XSaveZMM_Hi256 zmm_hi256_state;
1304     XSaveHi16_ZMM hi16_zmm_state;
1305     /* PKRU State: */
1306     XSavePKRU pkru_state;
1307 } X86XSaveArea;
1308 
1309 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240);
1310 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1311 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0);
1312 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1313 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400);
1314 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1315 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440);
1316 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1317 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480);
1318 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1319 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680);
1320 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1321 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80);
1322 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1323 
1324 typedef enum TPRAccess {
1325     TPR_ACCESS_READ,
1326     TPR_ACCESS_WRITE,
1327 } TPRAccess;
1328 
1329 /* Cache information data structures: */
1330 
1331 enum CacheType {
1332     DATA_CACHE,
1333     INSTRUCTION_CACHE,
1334     UNIFIED_CACHE
1335 };
1336 
1337 typedef struct CPUCacheInfo {
1338     enum CacheType type;
1339     uint8_t level;
1340     /* Size in bytes */
1341     uint32_t size;
1342     /* Line size, in bytes */
1343     uint16_t line_size;
1344     /*
1345      * Associativity.
1346      * Note: representation of fully-associative caches is not implemented
1347      */
1348     uint8_t associativity;
1349     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1350     uint8_t partitions;
1351     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1352     uint32_t sets;
1353     /*
1354      * Lines per tag.
1355      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1356      * (Is this synonym to @partitions?)
1357      */
1358     uint8_t lines_per_tag;
1359 
1360     /* Self-initializing cache */
1361     bool self_init;
1362     /*
1363      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1364      * non-originating threads sharing this cache.
1365      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1366      */
1367     bool no_invd_sharing;
1368     /*
1369      * Cache is inclusive of lower cache levels.
1370      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1371      */
1372     bool inclusive;
1373     /*
1374      * A complex function is used to index the cache, potentially using all
1375      * address bits.  CPUID[4].EDX[bit 2].
1376      */
1377     bool complex_indexing;
1378 } CPUCacheInfo;
1379 
1380 
1381 typedef struct CPUCaches {
1382         CPUCacheInfo *l1d_cache;
1383         CPUCacheInfo *l1i_cache;
1384         CPUCacheInfo *l2_cache;
1385         CPUCacheInfo *l3_cache;
1386 } CPUCaches;
1387 
1388 typedef struct HVFX86LazyFlags {
1389     target_ulong result;
1390     target_ulong auxbits;
1391 } HVFX86LazyFlags;
1392 
1393 typedef struct CPUX86State {
1394     /* standard registers */
1395     target_ulong regs[CPU_NB_REGS];
1396     target_ulong eip;
1397     target_ulong eflags; /* eflags register. During CPU emulation, CC
1398                         flags and DF are set to zero because they are
1399                         stored elsewhere */
1400 
1401     /* emulator internal eflags handling */
1402     target_ulong cc_dst;
1403     target_ulong cc_src;
1404     target_ulong cc_src2;
1405     uint32_t cc_op;
1406     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1407     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1408                         are known at translation time. */
1409     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1410 
1411     /* segments */
1412     SegmentCache segs[6]; /* selector values */
1413     SegmentCache ldt;
1414     SegmentCache tr;
1415     SegmentCache gdt; /* only base and limit are used */
1416     SegmentCache idt; /* only base and limit are used */
1417 
1418     target_ulong cr[5]; /* NOTE: cr1 is unused */
1419     int32_t a20_mask;
1420 
1421     BNDReg bnd_regs[4];
1422     BNDCSReg bndcs_regs;
1423     uint64_t msr_bndcfgs;
1424     uint64_t efer;
1425 
1426     /* Beginning of state preserved by INIT (dummy marker).  */
1427     struct {} start_init_save;
1428 
1429     /* FPU state */
1430     unsigned int fpstt; /* top of stack index */
1431     uint16_t fpus;
1432     uint16_t fpuc;
1433     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1434     FPReg fpregs[8];
1435     /* KVM-only so far */
1436     uint16_t fpop;
1437     uint64_t fpip;
1438     uint64_t fpdp;
1439 
1440     /* emulator internal variables */
1441     float_status fp_status;
1442     floatx80 ft0;
1443 
1444     float_status mmx_status; /* for 3DNow! float ops */
1445     float_status sse_status;
1446     uint32_t mxcsr;
1447     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1448     ZMMReg xmm_t0;
1449     MMXReg mmx_t0;
1450 
1451     XMMReg ymmh_regs[CPU_NB_REGS];
1452 
1453     uint64_t opmask_regs[NB_OPMASK_REGS];
1454     YMMReg zmmh_regs[CPU_NB_REGS];
1455     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1456 
1457     /* sysenter registers */
1458     uint32_t sysenter_cs;
1459     target_ulong sysenter_esp;
1460     target_ulong sysenter_eip;
1461     uint64_t star;
1462 
1463     uint64_t vm_hsave;
1464 
1465 #ifdef TARGET_X86_64
1466     target_ulong lstar;
1467     target_ulong cstar;
1468     target_ulong fmask;
1469     target_ulong kernelgsbase;
1470 #endif
1471 
1472     uint64_t tsc;
1473     uint64_t tsc_adjust;
1474     uint64_t tsc_deadline;
1475     uint64_t tsc_aux;
1476 
1477     uint64_t xcr0;
1478 
1479     uint64_t mcg_status;
1480     uint64_t msr_ia32_misc_enable;
1481     uint64_t msr_ia32_feature_control;
1482 
1483     uint64_t msr_fixed_ctr_ctrl;
1484     uint64_t msr_global_ctrl;
1485     uint64_t msr_global_status;
1486     uint64_t msr_global_ovf_ctrl;
1487     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1488     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1489     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1490 
1491     uint64_t pat;
1492     uint32_t smbase;
1493     uint64_t msr_smi_count;
1494 
1495     uint32_t pkru;
1496     uint32_t pkrs;
1497     uint32_t tsx_ctrl;
1498 
1499     uint64_t spec_ctrl;
1500     uint64_t virt_ssbd;
1501 
1502     /* End of state preserved by INIT (dummy marker).  */
1503     struct {} end_init_save;
1504 
1505     uint64_t system_time_msr;
1506     uint64_t wall_clock_msr;
1507     uint64_t steal_time_msr;
1508     uint64_t async_pf_en_msr;
1509     uint64_t async_pf_int_msr;
1510     uint64_t pv_eoi_en_msr;
1511     uint64_t poll_control_msr;
1512 
1513     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1514     uint64_t msr_hv_hypercall;
1515     uint64_t msr_hv_guest_os_id;
1516     uint64_t msr_hv_tsc;
1517 
1518     /* Per-VCPU HV MSRs */
1519     uint64_t msr_hv_vapic;
1520     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1521     uint64_t msr_hv_runtime;
1522     uint64_t msr_hv_synic_control;
1523     uint64_t msr_hv_synic_evt_page;
1524     uint64_t msr_hv_synic_msg_page;
1525     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1526     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1527     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1528     uint64_t msr_hv_reenlightenment_control;
1529     uint64_t msr_hv_tsc_emulation_control;
1530     uint64_t msr_hv_tsc_emulation_status;
1531 
1532     uint64_t msr_rtit_ctrl;
1533     uint64_t msr_rtit_status;
1534     uint64_t msr_rtit_output_base;
1535     uint64_t msr_rtit_output_mask;
1536     uint64_t msr_rtit_cr3_match;
1537     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1538 
1539     /* exception/interrupt handling */
1540     int error_code;
1541     int exception_is_int;
1542     target_ulong exception_next_eip;
1543     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1544     union {
1545         struct CPUBreakpoint *cpu_breakpoint[4];
1546         struct CPUWatchpoint *cpu_watchpoint[4];
1547     }; /* break/watchpoints for dr[0..3] */
1548     int old_exception;  /* exception in flight */
1549 
1550     uint64_t vm_vmcb;
1551     uint64_t tsc_offset;
1552     uint64_t intercept;
1553     uint16_t intercept_cr_read;
1554     uint16_t intercept_cr_write;
1555     uint16_t intercept_dr_read;
1556     uint16_t intercept_dr_write;
1557     uint32_t intercept_exceptions;
1558     uint64_t nested_cr3;
1559     uint32_t nested_pg_mode;
1560     uint8_t v_tpr;
1561 
1562     /* KVM states, automatically cleared on reset */
1563     uint8_t nmi_injected;
1564     uint8_t nmi_pending;
1565 
1566     uintptr_t retaddr;
1567 
1568     /* Fields up to this point are cleared by a CPU reset */
1569     struct {} end_reset_fields;
1570 
1571     /* Fields after this point are preserved across CPU reset. */
1572 
1573     /* processor features (e.g. for CPUID insn) */
1574     /* Minimum cpuid leaf 7 value */
1575     uint32_t cpuid_level_func7;
1576     /* Actual cpuid leaf 7 value */
1577     uint32_t cpuid_min_level_func7;
1578     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1579     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1580     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1581     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1582     /* Actual level/xlevel/xlevel2 value: */
1583     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1584     uint32_t cpuid_vendor1;
1585     uint32_t cpuid_vendor2;
1586     uint32_t cpuid_vendor3;
1587     uint32_t cpuid_version;
1588     FeatureWordArray features;
1589     /* Features that were explicitly enabled/disabled */
1590     FeatureWordArray user_features;
1591     uint32_t cpuid_model[12];
1592     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1593      * on each CPUID leaf will be different, because we keep compatibility
1594      * with old QEMU versions.
1595      */
1596     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1597 
1598     /* MTRRs */
1599     uint64_t mtrr_fixed[11];
1600     uint64_t mtrr_deftype;
1601     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1602 
1603     /* For KVM */
1604     uint32_t mp_state;
1605     int32_t exception_nr;
1606     int32_t interrupt_injected;
1607     uint8_t soft_interrupt;
1608     uint8_t exception_pending;
1609     uint8_t exception_injected;
1610     uint8_t has_error_code;
1611     uint8_t exception_has_payload;
1612     uint64_t exception_payload;
1613     uint32_t ins_len;
1614     uint32_t sipi_vector;
1615     bool tsc_valid;
1616     int64_t tsc_khz;
1617     int64_t user_tsc_khz; /* for sanity check only */
1618     uint64_t apic_bus_freq;
1619 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1620     void *xsave_buf;
1621 #endif
1622 #if defined(CONFIG_KVM)
1623     struct kvm_nested_state *nested_state;
1624 #endif
1625 #if defined(CONFIG_HVF)
1626     HVFX86LazyFlags hvf_lflags;
1627     void *hvf_mmio_buf;
1628 #endif
1629 
1630     uint64_t mcg_cap;
1631     uint64_t mcg_ctl;
1632     uint64_t mcg_ext_ctl;
1633     uint64_t mce_banks[MCE_BANKS_DEF*4];
1634     uint64_t xstate_bv;
1635 
1636     /* vmstate */
1637     uint16_t fpus_vmstate;
1638     uint16_t fptag_vmstate;
1639     uint16_t fpregs_format_vmstate;
1640 
1641     uint64_t xss;
1642     uint32_t umwait;
1643 
1644     TPRAccess tpr_access_type;
1645 
1646     unsigned nr_dies;
1647 } CPUX86State;
1648 
1649 struct kvm_msrs;
1650 
1651 /**
1652  * X86CPU:
1653  * @env: #CPUX86State
1654  * @migratable: If set, only migratable flags will be accepted when "enforce"
1655  * mode is used, and only migratable flags will be included in the "host"
1656  * CPU model.
1657  *
1658  * An x86 CPU.
1659  */
1660 struct X86CPU {
1661     /*< private >*/
1662     CPUState parent_obj;
1663     /*< public >*/
1664 
1665     CPUNegativeOffsetState neg;
1666     CPUX86State env;
1667     VMChangeStateEntry *vmsentry;
1668 
1669     uint64_t ucode_rev;
1670 
1671     uint32_t hyperv_spinlock_attempts;
1672     char *hyperv_vendor;
1673     bool hyperv_synic_kvm_only;
1674     uint64_t hyperv_features;
1675     bool hyperv_passthrough;
1676     OnOffAuto hyperv_no_nonarch_cs;
1677     uint32_t hyperv_vendor_id[3];
1678     uint32_t hyperv_interface_id[4];
1679     uint32_t hyperv_version_id[4];
1680     uint32_t hyperv_limits[3];
1681 
1682     bool check_cpuid;
1683     bool enforce_cpuid;
1684     /*
1685      * Force features to be enabled even if the host doesn't support them.
1686      * This is dangerous and should be done only for testing CPUID
1687      * compatibility.
1688      */
1689     bool force_features;
1690     bool expose_kvm;
1691     bool expose_tcg;
1692     bool migratable;
1693     bool migrate_smi_count;
1694     bool max_features; /* Enable all supported features automatically */
1695     uint32_t apic_id;
1696 
1697     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1698      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1699     bool vmware_cpuid_freq;
1700 
1701     /* if true the CPUID code directly forward host cache leaves to the guest */
1702     bool cache_info_passthrough;
1703 
1704     /* if true the CPUID code directly forwards
1705      * host monitor/mwait leaves to the guest */
1706     struct {
1707         uint32_t eax;
1708         uint32_t ebx;
1709         uint32_t ecx;
1710         uint32_t edx;
1711     } mwait;
1712 
1713     /* Features that were filtered out because of missing host capabilities */
1714     FeatureWordArray filtered_features;
1715 
1716     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1717      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1718      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1719      * capabilities) directly to the guest.
1720      */
1721     bool enable_pmu;
1722 
1723     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1724      * disabled by default to avoid breaking migration between QEMU with
1725      * different LMCE configurations.
1726      */
1727     bool enable_lmce;
1728 
1729     /* Compatibility bits for old machine types.
1730      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1731      * socket share an virtual l3 cache.
1732      */
1733     bool enable_l3_cache;
1734 
1735     /* Compatibility bits for old machine types.
1736      * If true present the old cache topology information
1737      */
1738     bool legacy_cache;
1739 
1740     /* Compatibility bits for old machine types: */
1741     bool enable_cpuid_0xb;
1742 
1743     /* Enable auto level-increase for all CPUID leaves */
1744     bool full_cpuid_auto_level;
1745 
1746     /* Enable auto level-increase for Intel Processor Trace leave */
1747     bool intel_pt_auto_level;
1748 
1749     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1750     bool fill_mtrr_mask;
1751 
1752     /* if true override the phys_bits value with a value read from the host */
1753     bool host_phys_bits;
1754 
1755     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1756     uint8_t host_phys_bits_limit;
1757 
1758     /* Stop SMI delivery for migration compatibility with old machines */
1759     bool kvm_no_smi_migration;
1760 
1761     /* Number of physical address bits supported */
1762     uint32_t phys_bits;
1763 
1764     /* in order to simplify APIC support, we leave this pointer to the
1765        user */
1766     struct DeviceState *apic_state;
1767     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1768     Notifier machine_done;
1769 
1770     struct kvm_msrs *kvm_msr_buf;
1771 
1772     int32_t node_id; /* NUMA node this CPU belongs to */
1773     int32_t socket_id;
1774     int32_t die_id;
1775     int32_t core_id;
1776     int32_t thread_id;
1777 
1778     int32_t hv_max_vps;
1779 };
1780 
1781 
1782 #ifndef CONFIG_USER_ONLY
1783 extern VMStateDescription vmstate_x86_cpu;
1784 #endif
1785 
1786 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1787 
1788 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1789                              int cpuid, void *opaque);
1790 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1791                              int cpuid, void *opaque);
1792 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1793                                  void *opaque);
1794 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1795                                  void *opaque);
1796 
1797 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1798                                 Error **errp);
1799 
1800 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1801 
1802 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1803                                          MemTxAttrs *attrs);
1804 
1805 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1806 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1807 
1808 void x86_cpu_list(void);
1809 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1810 
1811 int cpu_get_pic_interrupt(CPUX86State *s);
1812 /* MSDOS compatibility mode FPU exception support */
1813 void x86_register_ferr_irq(qemu_irq irq);
1814 void cpu_set_ignne(void);
1815 /* mpx_helper.c */
1816 void cpu_sync_bndcs_hflags(CPUX86State *env);
1817 
1818 /* this function must always be used to load data in the segment
1819    cache: it synchronizes the hflags with the segment cache values */
1820 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1821                                           X86Seg seg_reg, unsigned int selector,
1822                                           target_ulong base,
1823                                           unsigned int limit,
1824                                           unsigned int flags)
1825 {
1826     SegmentCache *sc;
1827     unsigned int new_hflags;
1828 
1829     sc = &env->segs[seg_reg];
1830     sc->selector = selector;
1831     sc->base = base;
1832     sc->limit = limit;
1833     sc->flags = flags;
1834 
1835     /* update the hidden flags */
1836     {
1837         if (seg_reg == R_CS) {
1838 #ifdef TARGET_X86_64
1839             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1840                 /* long mode */
1841                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1842                 env->hflags &= ~(HF_ADDSEG_MASK);
1843             } else
1844 #endif
1845             {
1846                 /* legacy / compatibility case */
1847                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1848                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1849                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1850                     new_hflags;
1851             }
1852         }
1853         if (seg_reg == R_SS) {
1854             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1855 #if HF_CPL_MASK != 3
1856 #error HF_CPL_MASK is hardcoded
1857 #endif
1858             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1859             /* Possibly switch between BNDCFGS and BNDCFGU */
1860             cpu_sync_bndcs_hflags(env);
1861         }
1862         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1863             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1864         if (env->hflags & HF_CS64_MASK) {
1865             /* zero base assumed for DS, ES and SS in long mode */
1866         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1867                    (env->eflags & VM_MASK) ||
1868                    !(env->hflags & HF_CS32_MASK)) {
1869             /* XXX: try to avoid this test. The problem comes from the
1870                fact that is real mode or vm86 mode we only modify the
1871                'base' and 'selector' fields of the segment cache to go
1872                faster. A solution may be to force addseg to one in
1873                translate-i386.c. */
1874             new_hflags |= HF_ADDSEG_MASK;
1875         } else {
1876             new_hflags |= ((env->segs[R_DS].base |
1877                             env->segs[R_ES].base |
1878                             env->segs[R_SS].base) != 0) <<
1879                 HF_ADDSEG_SHIFT;
1880         }
1881         env->hflags = (env->hflags &
1882                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1883     }
1884 }
1885 
1886 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1887                                                uint8_t sipi_vector)
1888 {
1889     CPUState *cs = CPU(cpu);
1890     CPUX86State *env = &cpu->env;
1891 
1892     env->eip = 0;
1893     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1894                            sipi_vector << 12,
1895                            env->segs[R_CS].limit,
1896                            env->segs[R_CS].flags);
1897     cs->halted = 0;
1898 }
1899 
1900 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1901                             target_ulong *base, unsigned int *limit,
1902                             unsigned int *flags);
1903 
1904 /* op_helper.c */
1905 /* used for debug or cpu save/restore */
1906 
1907 /* cpu-exec.c */
1908 /* the following helpers are only usable in user mode simulation as
1909    they can trigger unexpected exceptions */
1910 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
1911 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1912 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1913 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1914 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1915 
1916 /* you can call this signal handler from your SIGBUS and SIGSEGV
1917    signal handlers to inform the virtual CPU of exceptions. non zero
1918    is returned if the signal was handled by the virtual CPU.  */
1919 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1920                            void *puc);
1921 
1922 /* cpu.c */
1923 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1924                    uint32_t *eax, uint32_t *ebx,
1925                    uint32_t *ecx, uint32_t *edx);
1926 void cpu_clear_apic_feature(CPUX86State *env);
1927 void host_cpuid(uint32_t function, uint32_t count,
1928                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1929 void host_vendor_fms(char *vendor, int *family, int *model, int *stepping);
1930 
1931 /* helper.c */
1932 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1933 
1934 #ifndef CONFIG_USER_ONLY
1935 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1936 {
1937     return !!attrs.secure;
1938 }
1939 
1940 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1941 {
1942     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1943 }
1944 
1945 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1946 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1947 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1948 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1949 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1950 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1951 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1952 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1953 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1954 #endif
1955 
1956 /* will be suppressed */
1957 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1958 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1959 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1960 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
1961 
1962 /* hw/pc.c */
1963 uint64_t cpu_get_tsc(CPUX86State *env);
1964 
1965 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
1966 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
1967 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
1968 
1969 #ifdef TARGET_X86_64
1970 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
1971 #else
1972 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
1973 #endif
1974 
1975 #define cpu_signal_handler cpu_x86_signal_handler
1976 #define cpu_list x86_cpu_list
1977 
1978 /* MMU modes definitions */
1979 #define MMU_KSMAP_IDX   0
1980 #define MMU_USER_IDX    1
1981 #define MMU_KNOSMAP_IDX 2
1982 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
1983 {
1984     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1985         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
1986         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1987 }
1988 
1989 static inline int cpu_mmu_index_kernel(CPUX86State *env)
1990 {
1991     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
1992         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
1993         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1994 }
1995 
1996 #define CC_DST  (env->cc_dst)
1997 #define CC_SRC  (env->cc_src)
1998 #define CC_SRC2 (env->cc_src2)
1999 #define CC_OP   (env->cc_op)
2000 
2001 typedef CPUX86State CPUArchState;
2002 typedef X86CPU ArchCPU;
2003 
2004 #include "exec/cpu-all.h"
2005 #include "svm.h"
2006 
2007 #if !defined(CONFIG_USER_ONLY)
2008 #include "hw/i386/apic.h"
2009 #endif
2010 
2011 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2012                                         target_ulong *cs_base, uint32_t *flags)
2013 {
2014     *cs_base = env->segs[R_CS].base;
2015     *pc = *cs_base + env->eip;
2016     *flags = env->hflags |
2017         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2018 }
2019 
2020 void do_cpu_init(X86CPU *cpu);
2021 void do_cpu_sipi(X86CPU *cpu);
2022 
2023 #define MCE_INJECT_BROADCAST    1
2024 #define MCE_INJECT_UNCOND_AO    2
2025 
2026 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2027                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2028                         uint64_t misc, int flags);
2029 
2030 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2031 
2032 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2033 {
2034     uint32_t eflags = env->eflags;
2035     if (tcg_enabled()) {
2036         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2037     }
2038     return eflags;
2039 }
2040 
2041 
2042 /* load efer and update the corresponding hflags. XXX: do consistency
2043    checks with cpuid bits? */
2044 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
2045 {
2046     env->efer = val;
2047     env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
2048     if (env->efer & MSR_EFER_LMA) {
2049         env->hflags |= HF_LMA_MASK;
2050     }
2051     if (env->efer & MSR_EFER_SVME) {
2052         env->hflags |= HF_SVME_MASK;
2053     }
2054 }
2055 
2056 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2057 {
2058     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2059 }
2060 
2061 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2062 {
2063     if (env->hflags & HF_SMM_MASK) {
2064         return -1;
2065     } else {
2066         return env->a20_mask;
2067     }
2068 }
2069 
2070 static inline bool cpu_has_vmx(CPUX86State *env)
2071 {
2072     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2073 }
2074 
2075 static inline bool cpu_has_svm(CPUX86State *env)
2076 {
2077     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2078 }
2079 
2080 /*
2081  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2082  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2083  * VMX operation. This is because CR4.VMXE is one of the bits set
2084  * in MSR_IA32_VMX_CR4_FIXED1.
2085  *
2086  * There is one exception to above statement when vCPU enters SMM mode.
2087  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2088  * may also reset CR4.VMXE during execution in SMM mode.
2089  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2090  * and CR4.VMXE is restored to it's original value of being set.
2091  *
2092  * Therefore, when vCPU is not in SMM mode, we can infer whether
2093  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2094  * know for certain.
2095  */
2096 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2097 {
2098     return cpu_has_vmx(env) &&
2099            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2100 }
2101 
2102 /* fpu_helper.c */
2103 void update_fp_status(CPUX86State *env);
2104 void update_mxcsr_status(CPUX86State *env);
2105 void update_mxcsr_from_sse_status(CPUX86State *env);
2106 
2107 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2108 {
2109     env->mxcsr = mxcsr;
2110     if (tcg_enabled()) {
2111         update_mxcsr_status(env);
2112     }
2113 }
2114 
2115 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2116 {
2117      env->fpuc = fpuc;
2118      if (tcg_enabled()) {
2119         update_fp_status(env);
2120      }
2121 }
2122 
2123 /* mem_helper.c */
2124 void helper_lock_init(void);
2125 
2126 /* svm_helper.c */
2127 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2128                                    uint64_t param, uintptr_t retaddr);
2129 /* apic.c */
2130 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2131 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2132                                    TPRAccess access);
2133 
2134 
2135 /* Change the value of a KVM-specific default
2136  *
2137  * If value is NULL, no default will be set and the original
2138  * value from the CPU model table will be kept.
2139  *
2140  * It is valid to call this function only for properties that
2141  * are already present in the kvm_default_props table.
2142  */
2143 void x86_cpu_change_kvm_default(const char *prop, const char *value);
2144 
2145 /* Special values for X86CPUVersion: */
2146 
2147 /* Resolve to latest CPU version */
2148 #define CPU_VERSION_LATEST -1
2149 
2150 /*
2151  * Resolve to version defined by current machine type.
2152  * See x86_cpu_set_default_version()
2153  */
2154 #define CPU_VERSION_AUTO   -2
2155 
2156 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2157 #define CPU_VERSION_LEGACY  0
2158 
2159 typedef int X86CPUVersion;
2160 
2161 /*
2162  * Set default CPU model version for CPU models having
2163  * version == CPU_VERSION_AUTO.
2164  */
2165 void x86_cpu_set_default_version(X86CPUVersion version);
2166 
2167 #define APIC_DEFAULT_ADDRESS 0xfee00000
2168 #define APIC_SPACE_SIZE      0x100000
2169 
2170 /* cpu-dump.c */
2171 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2172 
2173 /* cpu.c */
2174 bool cpu_is_bsp(X86CPU *cpu);
2175 
2176 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf);
2177 void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf);
2178 void x86_update_hflags(CPUX86State* env);
2179 
2180 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2181 {
2182     return !!(cpu->hyperv_features & BIT(feat));
2183 }
2184 
2185 #if defined(TARGET_X86_64) && \
2186     defined(CONFIG_USER_ONLY) && \
2187     defined(CONFIG_LINUX)
2188 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2189 #endif
2190 
2191 #endif /* I386_CPU_H */
2192