xref: /qemu/target/i386/cpu.h (revision 8cca0bd2)
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_NW_MASK  (1U << 29)
228 #define CR0_CD_MASK  (1U << 30)
229 #define CR0_PG_MASK  (1U << 31)
230 
231 #define CR4_VME_MASK  (1U << 0)
232 #define CR4_PVI_MASK  (1U << 1)
233 #define CR4_TSD_MASK  (1U << 2)
234 #define CR4_DE_MASK   (1U << 3)
235 #define CR4_PSE_MASK  (1U << 4)
236 #define CR4_PAE_MASK  (1U << 5)
237 #define CR4_MCE_MASK  (1U << 6)
238 #define CR4_PGE_MASK  (1U << 7)
239 #define CR4_PCE_MASK  (1U << 8)
240 #define CR4_OSFXSR_SHIFT 9
241 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
242 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
243 #define CR4_UMIP_MASK   (1U << 11)
244 #define CR4_LA57_MASK   (1U << 12)
245 #define CR4_VMXE_MASK   (1U << 13)
246 #define CR4_SMXE_MASK   (1U << 14)
247 #define CR4_FSGSBASE_MASK (1U << 16)
248 #define CR4_PCIDE_MASK  (1U << 17)
249 #define CR4_OSXSAVE_MASK (1U << 18)
250 #define CR4_SMEP_MASK   (1U << 20)
251 #define CR4_SMAP_MASK   (1U << 21)
252 #define CR4_PKE_MASK   (1U << 22)
253 #define CR4_PKS_MASK   (1U << 24)
254 
255 #define CR4_RESERVED_MASK \
256 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
257                 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
258                 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
259                 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK |CR4_UMIP_MASK \
260                 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
261                 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK))
262 
263 #define DR6_BD          (1 << 13)
264 #define DR6_BS          (1 << 14)
265 #define DR6_BT          (1 << 15)
266 #define DR6_FIXED_1     0xffff0ff0
267 
268 #define DR7_GD          (1 << 13)
269 #define DR7_TYPE_SHIFT  16
270 #define DR7_LEN_SHIFT   18
271 #define DR7_FIXED_1     0x00000400
272 #define DR7_GLOBAL_BP_MASK   0xaa
273 #define DR7_LOCAL_BP_MASK    0x55
274 #define DR7_MAX_BP           4
275 #define DR7_TYPE_BP_INST     0x0
276 #define DR7_TYPE_DATA_WR     0x1
277 #define DR7_TYPE_IO_RW       0x2
278 #define DR7_TYPE_DATA_RW     0x3
279 
280 #define DR_RESERVED_MASK 0xffffffff00000000ULL
281 
282 #define PG_PRESENT_BIT  0
283 #define PG_RW_BIT       1
284 #define PG_USER_BIT     2
285 #define PG_PWT_BIT      3
286 #define PG_PCD_BIT      4
287 #define PG_ACCESSED_BIT 5
288 #define PG_DIRTY_BIT    6
289 #define PG_PSE_BIT      7
290 #define PG_GLOBAL_BIT   8
291 #define PG_PSE_PAT_BIT  12
292 #define PG_PKRU_BIT     59
293 #define PG_NX_BIT       63
294 
295 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
296 #define PG_RW_MASK       (1 << PG_RW_BIT)
297 #define PG_USER_MASK     (1 << PG_USER_BIT)
298 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
299 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
300 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
301 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
302 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
303 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
304 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
305 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
306 #define PG_HI_USER_MASK  0x7ff0000000000000LL
307 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
308 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
309 
310 #define PG_ERROR_W_BIT     1
311 
312 #define PG_ERROR_P_MASK    0x01
313 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
314 #define PG_ERROR_U_MASK    0x04
315 #define PG_ERROR_RSVD_MASK 0x08
316 #define PG_ERROR_I_D_MASK  0x10
317 #define PG_ERROR_PK_MASK   0x20
318 
319 #define PG_MODE_PAE      (1 << 0)
320 #define PG_MODE_LMA      (1 << 1)
321 #define PG_MODE_NXE      (1 << 2)
322 #define PG_MODE_PSE      (1 << 3)
323 #define PG_MODE_LA57     (1 << 4)
324 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15)
325 
326 /* Bits of CR4 that do not affect the NPT page format.  */
327 #define PG_MODE_WP       (1 << 16)
328 #define PG_MODE_PKE      (1 << 17)
329 #define PG_MODE_PKS      (1 << 18)
330 #define PG_MODE_SMEP     (1 << 19)
331 
332 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
333 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
334 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
335 
336 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
337 #define MCE_BANKS_DEF   10
338 
339 #define MCG_CAP_BANKS_MASK 0xff
340 
341 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
342 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
343 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
344 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
345 
346 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
347 
348 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
349 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
350 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
351 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
352 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
353 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
354 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
355 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
356 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
357 
358 /* MISC register defines */
359 #define MCM_ADDR_SEGOFF  0      /* segment offset */
360 #define MCM_ADDR_LINEAR  1      /* linear address */
361 #define MCM_ADDR_PHYS    2      /* physical address */
362 #define MCM_ADDR_MEM     3      /* memory address */
363 #define MCM_ADDR_GENERIC 7      /* generic */
364 
365 #define MSR_IA32_TSC                    0x10
366 #define MSR_IA32_APICBASE               0x1b
367 #define MSR_IA32_APICBASE_BSP           (1<<8)
368 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
369 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
370 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
371 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
372 #define MSR_TSC_ADJUST                  0x0000003b
373 #define MSR_IA32_SPEC_CTRL              0x48
374 #define MSR_VIRT_SSBD                   0xc001011f
375 #define MSR_IA32_PRED_CMD               0x49
376 #define MSR_IA32_UCODE_REV              0x8b
377 #define MSR_IA32_CORE_CAPABILITY        0xcf
378 
379 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
380 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
381 
382 #define MSR_IA32_PERF_CAPABILITIES      0x345
383 
384 #define MSR_IA32_TSX_CTRL		0x122
385 #define MSR_IA32_TSCDEADLINE            0x6e0
386 #define MSR_IA32_PKRS                   0x6e1
387 
388 #define FEATURE_CONTROL_LOCKED                    (1<<0)
389 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
390 #define FEATURE_CONTROL_LMCE                      (1<<20)
391 
392 #define MSR_P6_PERFCTR0                 0xc1
393 
394 #define MSR_IA32_SMBASE                 0x9e
395 #define MSR_SMI_COUNT                   0x34
396 #define MSR_CORE_THREAD_COUNT           0x35
397 #define MSR_MTRRcap                     0xfe
398 #define MSR_MTRRcap_VCNT                8
399 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
400 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
401 
402 #define MSR_IA32_SYSENTER_CS            0x174
403 #define MSR_IA32_SYSENTER_ESP           0x175
404 #define MSR_IA32_SYSENTER_EIP           0x176
405 
406 #define MSR_MCG_CAP                     0x179
407 #define MSR_MCG_STATUS                  0x17a
408 #define MSR_MCG_CTL                     0x17b
409 #define MSR_MCG_EXT_CTL                 0x4d0
410 
411 #define MSR_P6_EVNTSEL0                 0x186
412 
413 #define MSR_IA32_PERF_STATUS            0x198
414 
415 #define MSR_IA32_MISC_ENABLE            0x1a0
416 /* Indicates good rep/movs microcode on some processors: */
417 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
418 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
419 
420 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
421 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
422 
423 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
424 
425 #define MSR_MTRRfix64K_00000            0x250
426 #define MSR_MTRRfix16K_80000            0x258
427 #define MSR_MTRRfix16K_A0000            0x259
428 #define MSR_MTRRfix4K_C0000             0x268
429 #define MSR_MTRRfix4K_C8000             0x269
430 #define MSR_MTRRfix4K_D0000             0x26a
431 #define MSR_MTRRfix4K_D8000             0x26b
432 #define MSR_MTRRfix4K_E0000             0x26c
433 #define MSR_MTRRfix4K_E8000             0x26d
434 #define MSR_MTRRfix4K_F0000             0x26e
435 #define MSR_MTRRfix4K_F8000             0x26f
436 
437 #define MSR_PAT                         0x277
438 
439 #define MSR_MTRRdefType                 0x2ff
440 
441 #define MSR_CORE_PERF_FIXED_CTR0        0x309
442 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
443 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
444 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
445 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
446 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
447 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
448 
449 #define MSR_MC0_CTL                     0x400
450 #define MSR_MC0_STATUS                  0x401
451 #define MSR_MC0_ADDR                    0x402
452 #define MSR_MC0_MISC                    0x403
453 
454 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
455 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
456 #define MSR_IA32_RTIT_CTL               0x570
457 #define MSR_IA32_RTIT_STATUS            0x571
458 #define MSR_IA32_RTIT_CR3_MATCH         0x572
459 #define MSR_IA32_RTIT_ADDR0_A           0x580
460 #define MSR_IA32_RTIT_ADDR0_B           0x581
461 #define MSR_IA32_RTIT_ADDR1_A           0x582
462 #define MSR_IA32_RTIT_ADDR1_B           0x583
463 #define MSR_IA32_RTIT_ADDR2_A           0x584
464 #define MSR_IA32_RTIT_ADDR2_B           0x585
465 #define MSR_IA32_RTIT_ADDR3_A           0x586
466 #define MSR_IA32_RTIT_ADDR3_B           0x587
467 #define MAX_RTIT_ADDRS                  8
468 
469 #define MSR_EFER                        0xc0000080
470 
471 #define MSR_EFER_SCE   (1 << 0)
472 #define MSR_EFER_LME   (1 << 8)
473 #define MSR_EFER_LMA   (1 << 10)
474 #define MSR_EFER_NXE   (1 << 11)
475 #define MSR_EFER_SVME  (1 << 12)
476 #define MSR_EFER_FFXSR (1 << 14)
477 
478 #define MSR_EFER_RESERVED\
479         (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\
480             | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\
481             | MSR_EFER_FFXSR))
482 
483 #define MSR_STAR                        0xc0000081
484 #define MSR_LSTAR                       0xc0000082
485 #define MSR_CSTAR                       0xc0000083
486 #define MSR_FMASK                       0xc0000084
487 #define MSR_FSBASE                      0xc0000100
488 #define MSR_GSBASE                      0xc0000101
489 #define MSR_KERNELGSBASE                0xc0000102
490 #define MSR_TSC_AUX                     0xc0000103
491 
492 #define MSR_VM_HSAVE_PA                 0xc0010117
493 
494 #define MSR_IA32_BNDCFGS                0x00000d90
495 #define MSR_IA32_XSS                    0x00000da0
496 #define MSR_IA32_UMWAIT_CONTROL         0xe1
497 
498 #define MSR_IA32_VMX_BASIC              0x00000480
499 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
500 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
501 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
502 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
503 #define MSR_IA32_VMX_MISC               0x00000485
504 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
505 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
506 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
507 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
508 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
509 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
510 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
511 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
512 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
513 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
514 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
515 #define MSR_IA32_VMX_VMFUNC             0x00000491
516 
517 #define XSTATE_FP_BIT                   0
518 #define XSTATE_SSE_BIT                  1
519 #define XSTATE_YMM_BIT                  2
520 #define XSTATE_BNDREGS_BIT              3
521 #define XSTATE_BNDCSR_BIT               4
522 #define XSTATE_OPMASK_BIT               5
523 #define XSTATE_ZMM_Hi256_BIT            6
524 #define XSTATE_Hi16_ZMM_BIT             7
525 #define XSTATE_PKRU_BIT                 9
526 
527 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
528 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
529 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
530 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
531 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
532 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
533 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
534 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
535 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
536 
537 /* CPUID feature words */
538 typedef enum FeatureWord {
539     FEAT_1_EDX,         /* CPUID[1].EDX */
540     FEAT_1_ECX,         /* CPUID[1].ECX */
541     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
542     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
543     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
544     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
545     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
546     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
547     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
548     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
549     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
550     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
551     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
552     FEAT_SVM,           /* CPUID[8000_000A].EDX */
553     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
554     FEAT_6_EAX,         /* CPUID[6].EAX */
555     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
556     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
557     FEAT_ARCH_CAPABILITIES,
558     FEAT_CORE_CAPABILITY,
559     FEAT_PERF_CAPABILITIES,
560     FEAT_VMX_PROCBASED_CTLS,
561     FEAT_VMX_SECONDARY_CTLS,
562     FEAT_VMX_PINBASED_CTLS,
563     FEAT_VMX_EXIT_CTLS,
564     FEAT_VMX_ENTRY_CTLS,
565     FEAT_VMX_MISC,
566     FEAT_VMX_EPT_VPID_CAPS,
567     FEAT_VMX_BASIC,
568     FEAT_VMX_VMFUNC,
569     FEAT_14_0_ECX,
570     FEATURE_WORDS,
571 } FeatureWord;
572 
573 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
574 
575 /* cpuid_features bits */
576 #define CPUID_FP87 (1U << 0)
577 #define CPUID_VME  (1U << 1)
578 #define CPUID_DE   (1U << 2)
579 #define CPUID_PSE  (1U << 3)
580 #define CPUID_TSC  (1U << 4)
581 #define CPUID_MSR  (1U << 5)
582 #define CPUID_PAE  (1U << 6)
583 #define CPUID_MCE  (1U << 7)
584 #define CPUID_CX8  (1U << 8)
585 #define CPUID_APIC (1U << 9)
586 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
587 #define CPUID_MTRR (1U << 12)
588 #define CPUID_PGE  (1U << 13)
589 #define CPUID_MCA  (1U << 14)
590 #define CPUID_CMOV (1U << 15)
591 #define CPUID_PAT  (1U << 16)
592 #define CPUID_PSE36   (1U << 17)
593 #define CPUID_PN   (1U << 18)
594 #define CPUID_CLFLUSH (1U << 19)
595 #define CPUID_DTS (1U << 21)
596 #define CPUID_ACPI (1U << 22)
597 #define CPUID_MMX  (1U << 23)
598 #define CPUID_FXSR (1U << 24)
599 #define CPUID_SSE  (1U << 25)
600 #define CPUID_SSE2 (1U << 26)
601 #define CPUID_SS (1U << 27)
602 #define CPUID_HT (1U << 28)
603 #define CPUID_TM (1U << 29)
604 #define CPUID_IA64 (1U << 30)
605 #define CPUID_PBE (1U << 31)
606 
607 #define CPUID_EXT_SSE3     (1U << 0)
608 #define CPUID_EXT_PCLMULQDQ (1U << 1)
609 #define CPUID_EXT_DTES64   (1U << 2)
610 #define CPUID_EXT_MONITOR  (1U << 3)
611 #define CPUID_EXT_DSCPL    (1U << 4)
612 #define CPUID_EXT_VMX      (1U << 5)
613 #define CPUID_EXT_SMX      (1U << 6)
614 #define CPUID_EXT_EST      (1U << 7)
615 #define CPUID_EXT_TM2      (1U << 8)
616 #define CPUID_EXT_SSSE3    (1U << 9)
617 #define CPUID_EXT_CID      (1U << 10)
618 #define CPUID_EXT_FMA      (1U << 12)
619 #define CPUID_EXT_CX16     (1U << 13)
620 #define CPUID_EXT_XTPR     (1U << 14)
621 #define CPUID_EXT_PDCM     (1U << 15)
622 #define CPUID_EXT_PCID     (1U << 17)
623 #define CPUID_EXT_DCA      (1U << 18)
624 #define CPUID_EXT_SSE41    (1U << 19)
625 #define CPUID_EXT_SSE42    (1U << 20)
626 #define CPUID_EXT_X2APIC   (1U << 21)
627 #define CPUID_EXT_MOVBE    (1U << 22)
628 #define CPUID_EXT_POPCNT   (1U << 23)
629 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
630 #define CPUID_EXT_AES      (1U << 25)
631 #define CPUID_EXT_XSAVE    (1U << 26)
632 #define CPUID_EXT_OSXSAVE  (1U << 27)
633 #define CPUID_EXT_AVX      (1U << 28)
634 #define CPUID_EXT_F16C     (1U << 29)
635 #define CPUID_EXT_RDRAND   (1U << 30)
636 #define CPUID_EXT_HYPERVISOR  (1U << 31)
637 
638 #define CPUID_EXT2_FPU     (1U << 0)
639 #define CPUID_EXT2_VME     (1U << 1)
640 #define CPUID_EXT2_DE      (1U << 2)
641 #define CPUID_EXT2_PSE     (1U << 3)
642 #define CPUID_EXT2_TSC     (1U << 4)
643 #define CPUID_EXT2_MSR     (1U << 5)
644 #define CPUID_EXT2_PAE     (1U << 6)
645 #define CPUID_EXT2_MCE     (1U << 7)
646 #define CPUID_EXT2_CX8     (1U << 8)
647 #define CPUID_EXT2_APIC    (1U << 9)
648 #define CPUID_EXT2_SYSCALL (1U << 11)
649 #define CPUID_EXT2_MTRR    (1U << 12)
650 #define CPUID_EXT2_PGE     (1U << 13)
651 #define CPUID_EXT2_MCA     (1U << 14)
652 #define CPUID_EXT2_CMOV    (1U << 15)
653 #define CPUID_EXT2_PAT     (1U << 16)
654 #define CPUID_EXT2_PSE36   (1U << 17)
655 #define CPUID_EXT2_MP      (1U << 19)
656 #define CPUID_EXT2_NX      (1U << 20)
657 #define CPUID_EXT2_MMXEXT  (1U << 22)
658 #define CPUID_EXT2_MMX     (1U << 23)
659 #define CPUID_EXT2_FXSR    (1U << 24)
660 #define CPUID_EXT2_FFXSR   (1U << 25)
661 #define CPUID_EXT2_PDPE1GB (1U << 26)
662 #define CPUID_EXT2_RDTSCP  (1U << 27)
663 #define CPUID_EXT2_LM      (1U << 29)
664 #define CPUID_EXT2_3DNOWEXT (1U << 30)
665 #define CPUID_EXT2_3DNOW   (1U << 31)
666 
667 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
668 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
669                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
670                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
671                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
672                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
673                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
674                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
675                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
676                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
677 
678 #define CPUID_EXT3_LAHF_LM (1U << 0)
679 #define CPUID_EXT3_CMP_LEG (1U << 1)
680 #define CPUID_EXT3_SVM     (1U << 2)
681 #define CPUID_EXT3_EXTAPIC (1U << 3)
682 #define CPUID_EXT3_CR8LEG  (1U << 4)
683 #define CPUID_EXT3_ABM     (1U << 5)
684 #define CPUID_EXT3_SSE4A   (1U << 6)
685 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
686 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
687 #define CPUID_EXT3_OSVW    (1U << 9)
688 #define CPUID_EXT3_IBS     (1U << 10)
689 #define CPUID_EXT3_XOP     (1U << 11)
690 #define CPUID_EXT3_SKINIT  (1U << 12)
691 #define CPUID_EXT3_WDT     (1U << 13)
692 #define CPUID_EXT3_LWP     (1U << 15)
693 #define CPUID_EXT3_FMA4    (1U << 16)
694 #define CPUID_EXT3_TCE     (1U << 17)
695 #define CPUID_EXT3_NODEID  (1U << 19)
696 #define CPUID_EXT3_TBM     (1U << 21)
697 #define CPUID_EXT3_TOPOEXT (1U << 22)
698 #define CPUID_EXT3_PERFCORE (1U << 23)
699 #define CPUID_EXT3_PERFNB  (1U << 24)
700 
701 #define CPUID_SVM_NPT             (1U << 0)
702 #define CPUID_SVM_LBRV            (1U << 1)
703 #define CPUID_SVM_SVMLOCK         (1U << 2)
704 #define CPUID_SVM_NRIPSAVE        (1U << 3)
705 #define CPUID_SVM_TSCSCALE        (1U << 4)
706 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
707 #define CPUID_SVM_FLUSHASID       (1U << 6)
708 #define CPUID_SVM_DECODEASSIST    (1U << 7)
709 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
710 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
711 #define CPUID_SVM_AVIC            (1U << 13)
712 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
713 #define CPUID_SVM_VGIF            (1U << 16)
714 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
715 
716 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
717 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
718 /* 1st Group of Advanced Bit Manipulation Extensions */
719 #define CPUID_7_0_EBX_BMI1              (1U << 3)
720 /* Hardware Lock Elision */
721 #define CPUID_7_0_EBX_HLE               (1U << 4)
722 /* Intel Advanced Vector Extensions 2 */
723 #define CPUID_7_0_EBX_AVX2              (1U << 5)
724 /* Supervisor-mode Execution Prevention */
725 #define CPUID_7_0_EBX_SMEP              (1U << 7)
726 /* 2nd Group of Advanced Bit Manipulation Extensions */
727 #define CPUID_7_0_EBX_BMI2              (1U << 8)
728 /* Enhanced REP MOVSB/STOSB */
729 #define CPUID_7_0_EBX_ERMS              (1U << 9)
730 /* Invalidate Process-Context Identifier */
731 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
732 /* Restricted Transactional Memory */
733 #define CPUID_7_0_EBX_RTM               (1U << 11)
734 /* Memory Protection Extension */
735 #define CPUID_7_0_EBX_MPX               (1U << 14)
736 /* AVX-512 Foundation */
737 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
738 /* AVX-512 Doubleword & Quadword Instruction */
739 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
740 /* Read Random SEED */
741 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
742 /* ADCX and ADOX instructions */
743 #define CPUID_7_0_EBX_ADX               (1U << 19)
744 /* Supervisor Mode Access Prevention */
745 #define CPUID_7_0_EBX_SMAP              (1U << 20)
746 /* AVX-512 Integer Fused Multiply Add */
747 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
748 /* Persistent Commit */
749 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
750 /* Flush a Cache Line Optimized */
751 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
752 /* Cache Line Write Back */
753 #define CPUID_7_0_EBX_CLWB              (1U << 24)
754 /* Intel Processor Trace */
755 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
756 /* AVX-512 Prefetch */
757 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
758 /* AVX-512 Exponential and Reciprocal */
759 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
760 /* AVX-512 Conflict Detection */
761 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
762 /* SHA1/SHA256 Instruction Extensions */
763 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
764 /* AVX-512 Byte and Word Instructions */
765 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
766 /* AVX-512 Vector Length Extensions */
767 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
768 
769 /* AVX-512 Vector Byte Manipulation Instruction */
770 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
771 /* User-Mode Instruction Prevention */
772 #define CPUID_7_0_ECX_UMIP              (1U << 2)
773 /* Protection Keys for User-mode Pages */
774 #define CPUID_7_0_ECX_PKU               (1U << 3)
775 /* OS Enable Protection Keys */
776 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
777 /* UMONITOR/UMWAIT/TPAUSE Instructions */
778 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
779 /* Additional AVX-512 Vector Byte Manipulation Instruction */
780 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
781 /* Galois Field New Instructions */
782 #define CPUID_7_0_ECX_GFNI              (1U << 8)
783 /* Vector AES Instructions */
784 #define CPUID_7_0_ECX_VAES              (1U << 9)
785 /* Carry-Less Multiplication Quadword */
786 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
787 /* Vector Neural Network Instructions */
788 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
789 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
790 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
791 /* POPCNT for vectors of DW/QW */
792 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
793 /* 5-level Page Tables */
794 #define CPUID_7_0_ECX_LA57              (1U << 16)
795 /* Read Processor ID */
796 #define CPUID_7_0_ECX_RDPID             (1U << 22)
797 /* Bus Lock Debug Exception */
798 #define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
799 /* Cache Line Demote Instruction */
800 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
801 /* Move Doubleword as Direct Store Instruction */
802 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
803 /* Move 64 Bytes as Direct Store Instruction */
804 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
805 /* Protection Keys for Supervisor-mode Pages */
806 #define CPUID_7_0_ECX_PKS               (1U << 31)
807 
808 /* AVX512 Neural Network Instructions */
809 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
810 /* AVX512 Multiply Accumulation Single Precision */
811 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
812 /* Fast Short Rep Mov */
813 #define CPUID_7_0_EDX_FSRM              (1U << 4)
814 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
815 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
816 /* SERIALIZE instruction */
817 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
818 /* TSX Suspend Load Address Tracking instruction */
819 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
820 /* AVX512_FP16 instruction */
821 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
822 /* Speculation Control */
823 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
824 /* Single Thread Indirect Branch Predictors */
825 #define CPUID_7_0_EDX_STIBP             (1U << 27)
826 /* Arch Capabilities */
827 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
828 /* Core Capability */
829 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
830 /* Speculative Store Bypass Disable */
831 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
832 
833 /* AVX VNNI Instruction */
834 #define CPUID_7_1_EAX_AVX_VNNI          (1U << 4)
835 /* AVX512 BFloat16 Instruction */
836 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
837 
838 /* Packets which contain IP payload have LIP values */
839 #define CPUID_14_0_ECX_LIP              (1U << 31)
840 
841 /* CLZERO instruction */
842 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
843 /* Always save/restore FP error pointers */
844 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
845 /* Write back and do not invalidate cache */
846 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
847 /* Indirect Branch Prediction Barrier */
848 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
849 /* Indirect Branch Restricted Speculation */
850 #define CPUID_8000_0008_EBX_IBRS        (1U << 14)
851 /* Single Thread Indirect Branch Predictors */
852 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
853 /* Speculative Store Bypass Disable */
854 #define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
855 
856 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
857 #define CPUID_XSAVE_XSAVEC     (1U << 1)
858 #define CPUID_XSAVE_XGETBV1    (1U << 2)
859 #define CPUID_XSAVE_XSAVES     (1U << 3)
860 
861 #define CPUID_6_EAX_ARAT       (1U << 2)
862 
863 /* CPUID[0x80000007].EDX flags: */
864 #define CPUID_APM_INVTSC       (1U << 8)
865 
866 #define CPUID_VENDOR_SZ      12
867 
868 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
869 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
870 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
871 #define CPUID_VENDOR_INTEL "GenuineIntel"
872 
873 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
874 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
875 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
876 #define CPUID_VENDOR_AMD   "AuthenticAMD"
877 
878 #define CPUID_VENDOR_VIA   "CentaurHauls"
879 
880 #define CPUID_VENDOR_HYGON    "HygonGenuine"
881 
882 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
883                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
884                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
885 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
886                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
887                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
888 
889 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
890 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
891 
892 /* CPUID[0xB].ECX level types */
893 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
894 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
895 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
896 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
897 
898 /* MSR Feature Bits */
899 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
900 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
901 #define MSR_ARCH_CAP_RSBA               (1U << 2)
902 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
903 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
904 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
905 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
906 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
907 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
908 
909 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
910 
911 /* VMX MSR features */
912 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
913 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
914 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
915 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
916 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
917 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
918 
919 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
920 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
921 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
922 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
923 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
924 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
925 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
926 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
927 
928 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
929 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
930 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
931 #define MSR_VMX_EPT_UC                               (1ULL << 8)
932 #define MSR_VMX_EPT_WB                               (1ULL << 14)
933 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
934 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
935 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
936 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
937 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
938 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
939 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
940 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
941 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
942 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
943 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
944 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
945 
946 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
947 
948 
949 /* VMX controls */
950 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
951 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
952 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
953 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
954 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
955 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
956 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
957 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
958 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
959 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
960 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
961 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
962 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
963 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
964 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
965 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
966 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
967 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
968 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
969 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
970 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
971 
972 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
973 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
974 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
975 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
976 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
977 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
978 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
979 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
980 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
981 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
982 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
983 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
984 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
985 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
986 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
987 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
988 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
989 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
990 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
991 #define VMX_SECONDARY_EXEC_TSC_SCALING              0x02000000
992 
993 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
994 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
995 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
996 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
997 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
998 
999 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
1000 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
1001 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
1002 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
1003 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
1004 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
1005 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
1006 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
1007 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
1008 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
1009 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
1010 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
1011 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
1012 
1013 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
1014 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
1015 #define VMX_VM_ENTRY_SMM                            0x00000400
1016 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
1017 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
1018 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
1019 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
1020 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
1021 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
1022 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
1023 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
1024 
1025 /* Supported Hyper-V Enlightenments */
1026 #define HYPERV_FEAT_RELAXED             0
1027 #define HYPERV_FEAT_VAPIC               1
1028 #define HYPERV_FEAT_TIME                2
1029 #define HYPERV_FEAT_CRASH               3
1030 #define HYPERV_FEAT_RESET               4
1031 #define HYPERV_FEAT_VPINDEX             5
1032 #define HYPERV_FEAT_RUNTIME             6
1033 #define HYPERV_FEAT_SYNIC               7
1034 #define HYPERV_FEAT_STIMER              8
1035 #define HYPERV_FEAT_FREQUENCIES         9
1036 #define HYPERV_FEAT_REENLIGHTENMENT     10
1037 #define HYPERV_FEAT_TLBFLUSH            11
1038 #define HYPERV_FEAT_EVMCS               12
1039 #define HYPERV_FEAT_IPI                 13
1040 #define HYPERV_FEAT_STIMER_DIRECT       14
1041 
1042 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1043 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1044 #endif
1045 
1046 #define EXCP00_DIVZ	0
1047 #define EXCP01_DB	1
1048 #define EXCP02_NMI	2
1049 #define EXCP03_INT3	3
1050 #define EXCP04_INTO	4
1051 #define EXCP05_BOUND	5
1052 #define EXCP06_ILLOP	6
1053 #define EXCP07_PREX	7
1054 #define EXCP08_DBLE	8
1055 #define EXCP09_XERR	9
1056 #define EXCP0A_TSS	10
1057 #define EXCP0B_NOSEG	11
1058 #define EXCP0C_STACK	12
1059 #define EXCP0D_GPF	13
1060 #define EXCP0E_PAGE	14
1061 #define EXCP10_COPR	16
1062 #define EXCP11_ALGN	17
1063 #define EXCP12_MCHK	18
1064 
1065 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1066 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1067 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1068 
1069 /* i386-specific interrupt pending bits.  */
1070 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1071 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1072 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1073 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1074 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1075 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1076 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1077 
1078 /* Use a clearer name for this.  */
1079 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1080 
1081 /* Instead of computing the condition codes after each x86 instruction,
1082  * QEMU just stores one operand (called CC_SRC), the result
1083  * (called CC_DST) and the type of operation (called CC_OP). When the
1084  * condition codes are needed, the condition codes can be calculated
1085  * using this information. Condition codes are not generated if they
1086  * are only needed for conditional branches.
1087  */
1088 typedef enum {
1089     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1090     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1091 
1092     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1093     CC_OP_MULW,
1094     CC_OP_MULL,
1095     CC_OP_MULQ,
1096 
1097     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1098     CC_OP_ADDW,
1099     CC_OP_ADDL,
1100     CC_OP_ADDQ,
1101 
1102     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1103     CC_OP_ADCW,
1104     CC_OP_ADCL,
1105     CC_OP_ADCQ,
1106 
1107     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1108     CC_OP_SUBW,
1109     CC_OP_SUBL,
1110     CC_OP_SUBQ,
1111 
1112     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1113     CC_OP_SBBW,
1114     CC_OP_SBBL,
1115     CC_OP_SBBQ,
1116 
1117     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1118     CC_OP_LOGICW,
1119     CC_OP_LOGICL,
1120     CC_OP_LOGICQ,
1121 
1122     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1123     CC_OP_INCW,
1124     CC_OP_INCL,
1125     CC_OP_INCQ,
1126 
1127     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1128     CC_OP_DECW,
1129     CC_OP_DECL,
1130     CC_OP_DECQ,
1131 
1132     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1133     CC_OP_SHLW,
1134     CC_OP_SHLL,
1135     CC_OP_SHLQ,
1136 
1137     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1138     CC_OP_SARW,
1139     CC_OP_SARL,
1140     CC_OP_SARQ,
1141 
1142     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1143     CC_OP_BMILGW,
1144     CC_OP_BMILGL,
1145     CC_OP_BMILGQ,
1146 
1147     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1148     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1149     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1150 
1151     CC_OP_CLR, /* Z set, all other flags clear.  */
1152     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1153 
1154     CC_OP_NB,
1155 } CCOp;
1156 
1157 typedef struct SegmentCache {
1158     uint32_t selector;
1159     target_ulong base;
1160     uint32_t limit;
1161     uint32_t flags;
1162 } SegmentCache;
1163 
1164 #define MMREG_UNION(n, bits)        \
1165     union n {                       \
1166         uint8_t  _b_##n[(bits)/8];  \
1167         uint16_t _w_##n[(bits)/16]; \
1168         uint32_t _l_##n[(bits)/32]; \
1169         uint64_t _q_##n[(bits)/64]; \
1170         float32  _s_##n[(bits)/32]; \
1171         float64  _d_##n[(bits)/64]; \
1172     }
1173 
1174 typedef union {
1175     uint8_t _b[16];
1176     uint16_t _w[8];
1177     uint32_t _l[4];
1178     uint64_t _q[2];
1179 } XMMReg;
1180 
1181 typedef union {
1182     uint8_t _b[32];
1183     uint16_t _w[16];
1184     uint32_t _l[8];
1185     uint64_t _q[4];
1186 } YMMReg;
1187 
1188 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1189 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1190 
1191 typedef struct BNDReg {
1192     uint64_t lb;
1193     uint64_t ub;
1194 } BNDReg;
1195 
1196 typedef struct BNDCSReg {
1197     uint64_t cfgu;
1198     uint64_t sts;
1199 } BNDCSReg;
1200 
1201 #define BNDCFG_ENABLE       1ULL
1202 #define BNDCFG_BNDPRESERVE  2ULL
1203 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1204 
1205 #ifdef HOST_WORDS_BIGENDIAN
1206 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1207 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1208 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1209 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1210 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1211 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1212 
1213 #define MMX_B(n) _b_MMXReg[7 - (n)]
1214 #define MMX_W(n) _w_MMXReg[3 - (n)]
1215 #define MMX_L(n) _l_MMXReg[1 - (n)]
1216 #define MMX_S(n) _s_MMXReg[1 - (n)]
1217 #else
1218 #define ZMM_B(n) _b_ZMMReg[n]
1219 #define ZMM_W(n) _w_ZMMReg[n]
1220 #define ZMM_L(n) _l_ZMMReg[n]
1221 #define ZMM_S(n) _s_ZMMReg[n]
1222 #define ZMM_Q(n) _q_ZMMReg[n]
1223 #define ZMM_D(n) _d_ZMMReg[n]
1224 
1225 #define MMX_B(n) _b_MMXReg[n]
1226 #define MMX_W(n) _w_MMXReg[n]
1227 #define MMX_L(n) _l_MMXReg[n]
1228 #define MMX_S(n) _s_MMXReg[n]
1229 #endif
1230 #define MMX_Q(n) _q_MMXReg[n]
1231 
1232 typedef union {
1233     floatx80 d __attribute__((aligned(16)));
1234     MMXReg mmx;
1235 } FPReg;
1236 
1237 typedef struct {
1238     uint64_t base;
1239     uint64_t mask;
1240 } MTRRVar;
1241 
1242 #define CPU_NB_REGS64 16
1243 #define CPU_NB_REGS32 8
1244 
1245 #ifdef TARGET_X86_64
1246 #define CPU_NB_REGS CPU_NB_REGS64
1247 #else
1248 #define CPU_NB_REGS CPU_NB_REGS32
1249 #endif
1250 
1251 #define MAX_FIXED_COUNTERS 3
1252 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1253 
1254 #define TARGET_INSN_START_EXTRA_WORDS 1
1255 
1256 #define NB_OPMASK_REGS 8
1257 
1258 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1259  * that APIC ID hasn't been set yet
1260  */
1261 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1262 
1263 typedef union X86LegacyXSaveArea {
1264     struct {
1265         uint16_t fcw;
1266         uint16_t fsw;
1267         uint8_t ftw;
1268         uint8_t reserved;
1269         uint16_t fpop;
1270         uint64_t fpip;
1271         uint64_t fpdp;
1272         uint32_t mxcsr;
1273         uint32_t mxcsr_mask;
1274         FPReg fpregs[8];
1275         uint8_t xmm_regs[16][16];
1276     };
1277     uint8_t data[512];
1278 } X86LegacyXSaveArea;
1279 
1280 typedef struct X86XSaveHeader {
1281     uint64_t xstate_bv;
1282     uint64_t xcomp_bv;
1283     uint64_t reserve0;
1284     uint8_t reserved[40];
1285 } X86XSaveHeader;
1286 
1287 /* Ext. save area 2: AVX State */
1288 typedef struct XSaveAVX {
1289     uint8_t ymmh[16][16];
1290 } XSaveAVX;
1291 
1292 /* Ext. save area 3: BNDREG */
1293 typedef struct XSaveBNDREG {
1294     BNDReg bnd_regs[4];
1295 } XSaveBNDREG;
1296 
1297 /* Ext. save area 4: BNDCSR */
1298 typedef union XSaveBNDCSR {
1299     BNDCSReg bndcsr;
1300     uint8_t data[64];
1301 } XSaveBNDCSR;
1302 
1303 /* Ext. save area 5: Opmask */
1304 typedef struct XSaveOpmask {
1305     uint64_t opmask_regs[NB_OPMASK_REGS];
1306 } XSaveOpmask;
1307 
1308 /* Ext. save area 6: ZMM_Hi256 */
1309 typedef struct XSaveZMM_Hi256 {
1310     uint8_t zmm_hi256[16][32];
1311 } XSaveZMM_Hi256;
1312 
1313 /* Ext. save area 7: Hi16_ZMM */
1314 typedef struct XSaveHi16_ZMM {
1315     uint8_t hi16_zmm[16][64];
1316 } XSaveHi16_ZMM;
1317 
1318 /* Ext. save area 9: PKRU state */
1319 typedef struct XSavePKRU {
1320     uint32_t pkru;
1321     uint32_t padding;
1322 } XSavePKRU;
1323 
1324 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1325 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1326 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1327 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1328 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1329 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1330 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1331 
1332 typedef struct ExtSaveArea {
1333     uint32_t feature, bits;
1334     uint32_t offset, size;
1335 } ExtSaveArea;
1336 
1337 #define XSAVE_STATE_AREA_COUNT (XSTATE_PKRU_BIT + 1)
1338 
1339 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
1340 
1341 typedef enum TPRAccess {
1342     TPR_ACCESS_READ,
1343     TPR_ACCESS_WRITE,
1344 } TPRAccess;
1345 
1346 /* Cache information data structures: */
1347 
1348 enum CacheType {
1349     DATA_CACHE,
1350     INSTRUCTION_CACHE,
1351     UNIFIED_CACHE
1352 };
1353 
1354 typedef struct CPUCacheInfo {
1355     enum CacheType type;
1356     uint8_t level;
1357     /* Size in bytes */
1358     uint32_t size;
1359     /* Line size, in bytes */
1360     uint16_t line_size;
1361     /*
1362      * Associativity.
1363      * Note: representation of fully-associative caches is not implemented
1364      */
1365     uint8_t associativity;
1366     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1367     uint8_t partitions;
1368     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1369     uint32_t sets;
1370     /*
1371      * Lines per tag.
1372      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1373      * (Is this synonym to @partitions?)
1374      */
1375     uint8_t lines_per_tag;
1376 
1377     /* Self-initializing cache */
1378     bool self_init;
1379     /*
1380      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1381      * non-originating threads sharing this cache.
1382      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1383      */
1384     bool no_invd_sharing;
1385     /*
1386      * Cache is inclusive of lower cache levels.
1387      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1388      */
1389     bool inclusive;
1390     /*
1391      * A complex function is used to index the cache, potentially using all
1392      * address bits.  CPUID[4].EDX[bit 2].
1393      */
1394     bool complex_indexing;
1395 } CPUCacheInfo;
1396 
1397 
1398 typedef struct CPUCaches {
1399         CPUCacheInfo *l1d_cache;
1400         CPUCacheInfo *l1i_cache;
1401         CPUCacheInfo *l2_cache;
1402         CPUCacheInfo *l3_cache;
1403 } CPUCaches;
1404 
1405 typedef struct HVFX86LazyFlags {
1406     target_ulong result;
1407     target_ulong auxbits;
1408 } HVFX86LazyFlags;
1409 
1410 typedef struct CPUX86State {
1411     /* standard registers */
1412     target_ulong regs[CPU_NB_REGS];
1413     target_ulong eip;
1414     target_ulong eflags; /* eflags register. During CPU emulation, CC
1415                         flags and DF are set to zero because they are
1416                         stored elsewhere */
1417 
1418     /* emulator internal eflags handling */
1419     target_ulong cc_dst;
1420     target_ulong cc_src;
1421     target_ulong cc_src2;
1422     uint32_t cc_op;
1423     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1424     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1425                         are known at translation time. */
1426     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1427 
1428     /* segments */
1429     SegmentCache segs[6]; /* selector values */
1430     SegmentCache ldt;
1431     SegmentCache tr;
1432     SegmentCache gdt; /* only base and limit are used */
1433     SegmentCache idt; /* only base and limit are used */
1434 
1435     target_ulong cr[5]; /* NOTE: cr1 is unused */
1436     int32_t a20_mask;
1437 
1438     BNDReg bnd_regs[4];
1439     BNDCSReg bndcs_regs;
1440     uint64_t msr_bndcfgs;
1441     uint64_t efer;
1442 
1443     /* Beginning of state preserved by INIT (dummy marker).  */
1444     struct {} start_init_save;
1445 
1446     /* FPU state */
1447     unsigned int fpstt; /* top of stack index */
1448     uint16_t fpus;
1449     uint16_t fpuc;
1450     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1451     FPReg fpregs[8];
1452     /* KVM-only so far */
1453     uint16_t fpop;
1454     uint16_t fpcs;
1455     uint16_t fpds;
1456     uint64_t fpip;
1457     uint64_t fpdp;
1458 
1459     /* emulator internal variables */
1460     float_status fp_status;
1461     floatx80 ft0;
1462 
1463     float_status mmx_status; /* for 3DNow! float ops */
1464     float_status sse_status;
1465     uint32_t mxcsr;
1466     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1467     ZMMReg xmm_t0;
1468     MMXReg mmx_t0;
1469 
1470     XMMReg ymmh_regs[CPU_NB_REGS];
1471 
1472     uint64_t opmask_regs[NB_OPMASK_REGS];
1473     YMMReg zmmh_regs[CPU_NB_REGS];
1474     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1475 
1476     /* sysenter registers */
1477     uint32_t sysenter_cs;
1478     target_ulong sysenter_esp;
1479     target_ulong sysenter_eip;
1480     uint64_t star;
1481 
1482     uint64_t vm_hsave;
1483 
1484 #ifdef TARGET_X86_64
1485     target_ulong lstar;
1486     target_ulong cstar;
1487     target_ulong fmask;
1488     target_ulong kernelgsbase;
1489 #endif
1490 
1491     uint64_t tsc;
1492     uint64_t tsc_adjust;
1493     uint64_t tsc_deadline;
1494     uint64_t tsc_aux;
1495 
1496     uint64_t xcr0;
1497 
1498     uint64_t mcg_status;
1499     uint64_t msr_ia32_misc_enable;
1500     uint64_t msr_ia32_feature_control;
1501 
1502     uint64_t msr_fixed_ctr_ctrl;
1503     uint64_t msr_global_ctrl;
1504     uint64_t msr_global_status;
1505     uint64_t msr_global_ovf_ctrl;
1506     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1507     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1508     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1509 
1510     uint64_t pat;
1511     uint32_t smbase;
1512     uint64_t msr_smi_count;
1513 
1514     uint32_t pkru;
1515     uint32_t pkrs;
1516     uint32_t tsx_ctrl;
1517 
1518     uint64_t spec_ctrl;
1519     uint64_t virt_ssbd;
1520 
1521     /* End of state preserved by INIT (dummy marker).  */
1522     struct {} end_init_save;
1523 
1524     uint64_t system_time_msr;
1525     uint64_t wall_clock_msr;
1526     uint64_t steal_time_msr;
1527     uint64_t async_pf_en_msr;
1528     uint64_t async_pf_int_msr;
1529     uint64_t pv_eoi_en_msr;
1530     uint64_t poll_control_msr;
1531 
1532     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1533     uint64_t msr_hv_hypercall;
1534     uint64_t msr_hv_guest_os_id;
1535     uint64_t msr_hv_tsc;
1536 
1537     /* Per-VCPU HV MSRs */
1538     uint64_t msr_hv_vapic;
1539     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1540     uint64_t msr_hv_runtime;
1541     uint64_t msr_hv_synic_control;
1542     uint64_t msr_hv_synic_evt_page;
1543     uint64_t msr_hv_synic_msg_page;
1544     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1545     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1546     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1547     uint64_t msr_hv_reenlightenment_control;
1548     uint64_t msr_hv_tsc_emulation_control;
1549     uint64_t msr_hv_tsc_emulation_status;
1550 
1551     uint64_t msr_rtit_ctrl;
1552     uint64_t msr_rtit_status;
1553     uint64_t msr_rtit_output_base;
1554     uint64_t msr_rtit_output_mask;
1555     uint64_t msr_rtit_cr3_match;
1556     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1557 
1558     /* exception/interrupt handling */
1559     int error_code;
1560     int exception_is_int;
1561     target_ulong exception_next_eip;
1562     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1563     union {
1564         struct CPUBreakpoint *cpu_breakpoint[4];
1565         struct CPUWatchpoint *cpu_watchpoint[4];
1566     }; /* break/watchpoints for dr[0..3] */
1567     int old_exception;  /* exception in flight */
1568 
1569     uint64_t vm_vmcb;
1570     uint64_t tsc_offset;
1571     uint64_t intercept;
1572     uint16_t intercept_cr_read;
1573     uint16_t intercept_cr_write;
1574     uint16_t intercept_dr_read;
1575     uint16_t intercept_dr_write;
1576     uint32_t intercept_exceptions;
1577     uint64_t nested_cr3;
1578     uint32_t nested_pg_mode;
1579     uint8_t v_tpr;
1580 
1581     /* KVM states, automatically cleared on reset */
1582     uint8_t nmi_injected;
1583     uint8_t nmi_pending;
1584 
1585     uintptr_t retaddr;
1586 
1587     /* Fields up to this point are cleared by a CPU reset */
1588     struct {} end_reset_fields;
1589 
1590     /* Fields after this point are preserved across CPU reset. */
1591 
1592     /* processor features (e.g. for CPUID insn) */
1593     /* Minimum cpuid leaf 7 value */
1594     uint32_t cpuid_level_func7;
1595     /* Actual cpuid leaf 7 value */
1596     uint32_t cpuid_min_level_func7;
1597     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1598     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1599     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1600     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1601     /* Actual level/xlevel/xlevel2 value: */
1602     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1603     uint32_t cpuid_vendor1;
1604     uint32_t cpuid_vendor2;
1605     uint32_t cpuid_vendor3;
1606     uint32_t cpuid_version;
1607     FeatureWordArray features;
1608     /* Features that were explicitly enabled/disabled */
1609     FeatureWordArray user_features;
1610     uint32_t cpuid_model[12];
1611     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1612      * on each CPUID leaf will be different, because we keep compatibility
1613      * with old QEMU versions.
1614      */
1615     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1616 
1617     /* MTRRs */
1618     uint64_t mtrr_fixed[11];
1619     uint64_t mtrr_deftype;
1620     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1621 
1622     /* For KVM */
1623     uint32_t mp_state;
1624     int32_t exception_nr;
1625     int32_t interrupt_injected;
1626     uint8_t soft_interrupt;
1627     uint8_t exception_pending;
1628     uint8_t exception_injected;
1629     uint8_t has_error_code;
1630     uint8_t exception_has_payload;
1631     uint64_t exception_payload;
1632     uint32_t ins_len;
1633     uint32_t sipi_vector;
1634     bool tsc_valid;
1635     int64_t tsc_khz;
1636     int64_t user_tsc_khz; /* for sanity check only */
1637     uint64_t apic_bus_freq;
1638 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1639     void *xsave_buf;
1640     uint32_t xsave_buf_len;
1641 #endif
1642 #if defined(CONFIG_KVM)
1643     struct kvm_nested_state *nested_state;
1644 #endif
1645 #if defined(CONFIG_HVF)
1646     HVFX86LazyFlags hvf_lflags;
1647     void *hvf_mmio_buf;
1648 #endif
1649 
1650     uint64_t mcg_cap;
1651     uint64_t mcg_ctl;
1652     uint64_t mcg_ext_ctl;
1653     uint64_t mce_banks[MCE_BANKS_DEF*4];
1654     uint64_t xstate_bv;
1655 
1656     /* vmstate */
1657     uint16_t fpus_vmstate;
1658     uint16_t fptag_vmstate;
1659     uint16_t fpregs_format_vmstate;
1660 
1661     uint64_t xss;
1662     uint32_t umwait;
1663 
1664     TPRAccess tpr_access_type;
1665 
1666     unsigned nr_dies;
1667 } CPUX86State;
1668 
1669 struct kvm_msrs;
1670 
1671 /**
1672  * X86CPU:
1673  * @env: #CPUX86State
1674  * @migratable: If set, only migratable flags will be accepted when "enforce"
1675  * mode is used, and only migratable flags will be included in the "host"
1676  * CPU model.
1677  *
1678  * An x86 CPU.
1679  */
1680 struct X86CPU {
1681     /*< private >*/
1682     CPUState parent_obj;
1683     /*< public >*/
1684 
1685     CPUNegativeOffsetState neg;
1686     CPUX86State env;
1687     VMChangeStateEntry *vmsentry;
1688 
1689     uint64_t ucode_rev;
1690 
1691     uint32_t hyperv_spinlock_attempts;
1692     char *hyperv_vendor;
1693     bool hyperv_synic_kvm_only;
1694     uint64_t hyperv_features;
1695     bool hyperv_passthrough;
1696     OnOffAuto hyperv_no_nonarch_cs;
1697     uint32_t hyperv_vendor_id[3];
1698     uint32_t hyperv_interface_id[4];
1699     uint32_t hyperv_version_id[4];
1700     uint32_t hyperv_limits[3];
1701     uint32_t hyperv_nested[4];
1702 
1703     bool check_cpuid;
1704     bool enforce_cpuid;
1705     /*
1706      * Force features to be enabled even if the host doesn't support them.
1707      * This is dangerous and should be done only for testing CPUID
1708      * compatibility.
1709      */
1710     bool force_features;
1711     bool expose_kvm;
1712     bool expose_tcg;
1713     bool migratable;
1714     bool migrate_smi_count;
1715     bool max_features; /* Enable all supported features automatically */
1716     uint32_t apic_id;
1717 
1718     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1719      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1720     bool vmware_cpuid_freq;
1721 
1722     /* if true the CPUID code directly forward host cache leaves to the guest */
1723     bool cache_info_passthrough;
1724 
1725     /* if true the CPUID code directly forwards
1726      * host monitor/mwait leaves to the guest */
1727     struct {
1728         uint32_t eax;
1729         uint32_t ebx;
1730         uint32_t ecx;
1731         uint32_t edx;
1732     } mwait;
1733 
1734     /* Features that were filtered out because of missing host capabilities */
1735     FeatureWordArray filtered_features;
1736 
1737     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1738      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1739      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1740      * capabilities) directly to the guest.
1741      */
1742     bool enable_pmu;
1743 
1744     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1745      * disabled by default to avoid breaking migration between QEMU with
1746      * different LMCE configurations.
1747      */
1748     bool enable_lmce;
1749 
1750     /* Compatibility bits for old machine types.
1751      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1752      * socket share an virtual l3 cache.
1753      */
1754     bool enable_l3_cache;
1755 
1756     /* Compatibility bits for old machine types.
1757      * If true present the old cache topology information
1758      */
1759     bool legacy_cache;
1760 
1761     /* Compatibility bits for old machine types: */
1762     bool enable_cpuid_0xb;
1763 
1764     /* Enable auto level-increase for all CPUID leaves */
1765     bool full_cpuid_auto_level;
1766 
1767     /* Only advertise CPUID leaves defined by the vendor */
1768     bool vendor_cpuid_only;
1769 
1770     /* Enable auto level-increase for Intel Processor Trace leave */
1771     bool intel_pt_auto_level;
1772 
1773     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1774     bool fill_mtrr_mask;
1775 
1776     /* if true override the phys_bits value with a value read from the host */
1777     bool host_phys_bits;
1778 
1779     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1780     uint8_t host_phys_bits_limit;
1781 
1782     /* Stop SMI delivery for migration compatibility with old machines */
1783     bool kvm_no_smi_migration;
1784 
1785     /* Number of physical address bits supported */
1786     uint32_t phys_bits;
1787 
1788     /* in order to simplify APIC support, we leave this pointer to the
1789        user */
1790     struct DeviceState *apic_state;
1791     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1792     Notifier machine_done;
1793 
1794     struct kvm_msrs *kvm_msr_buf;
1795 
1796     int32_t node_id; /* NUMA node this CPU belongs to */
1797     int32_t socket_id;
1798     int32_t die_id;
1799     int32_t core_id;
1800     int32_t thread_id;
1801 
1802     int32_t hv_max_vps;
1803 };
1804 
1805 
1806 #ifndef CONFIG_USER_ONLY
1807 extern const VMStateDescription vmstate_x86_cpu;
1808 #endif
1809 
1810 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1811 
1812 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1813                              int cpuid, void *opaque);
1814 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1815                              int cpuid, void *opaque);
1816 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1817                                  void *opaque);
1818 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1819                                  void *opaque);
1820 
1821 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1822                                 Error **errp);
1823 
1824 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1825 
1826 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1827                                          MemTxAttrs *attrs);
1828 
1829 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1830 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1831 
1832 void x86_cpu_list(void);
1833 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1834 
1835 int cpu_get_pic_interrupt(CPUX86State *s);
1836 /* MSDOS compatibility mode FPU exception support */
1837 void x86_register_ferr_irq(qemu_irq irq);
1838 void fpu_check_raise_ferr_irq(CPUX86State *s);
1839 void cpu_set_ignne(void);
1840 void cpu_clear_ignne(void);
1841 
1842 /* mpx_helper.c */
1843 void cpu_sync_bndcs_hflags(CPUX86State *env);
1844 
1845 /* this function must always be used to load data in the segment
1846    cache: it synchronizes the hflags with the segment cache values */
1847 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1848                                           X86Seg seg_reg, unsigned int selector,
1849                                           target_ulong base,
1850                                           unsigned int limit,
1851                                           unsigned int flags)
1852 {
1853     SegmentCache *sc;
1854     unsigned int new_hflags;
1855 
1856     sc = &env->segs[seg_reg];
1857     sc->selector = selector;
1858     sc->base = base;
1859     sc->limit = limit;
1860     sc->flags = flags;
1861 
1862     /* update the hidden flags */
1863     {
1864         if (seg_reg == R_CS) {
1865 #ifdef TARGET_X86_64
1866             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1867                 /* long mode */
1868                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1869                 env->hflags &= ~(HF_ADDSEG_MASK);
1870             } else
1871 #endif
1872             {
1873                 /* legacy / compatibility case */
1874                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1875                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1876                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1877                     new_hflags;
1878             }
1879         }
1880         if (seg_reg == R_SS) {
1881             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1882 #if HF_CPL_MASK != 3
1883 #error HF_CPL_MASK is hardcoded
1884 #endif
1885             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1886             /* Possibly switch between BNDCFGS and BNDCFGU */
1887             cpu_sync_bndcs_hflags(env);
1888         }
1889         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1890             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1891         if (env->hflags & HF_CS64_MASK) {
1892             /* zero base assumed for DS, ES and SS in long mode */
1893         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1894                    (env->eflags & VM_MASK) ||
1895                    !(env->hflags & HF_CS32_MASK)) {
1896             /* XXX: try to avoid this test. The problem comes from the
1897                fact that is real mode or vm86 mode we only modify the
1898                'base' and 'selector' fields of the segment cache to go
1899                faster. A solution may be to force addseg to one in
1900                translate-i386.c. */
1901             new_hflags |= HF_ADDSEG_MASK;
1902         } else {
1903             new_hflags |= ((env->segs[R_DS].base |
1904                             env->segs[R_ES].base |
1905                             env->segs[R_SS].base) != 0) <<
1906                 HF_ADDSEG_SHIFT;
1907         }
1908         env->hflags = (env->hflags &
1909                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1910     }
1911 }
1912 
1913 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1914                                                uint8_t sipi_vector)
1915 {
1916     CPUState *cs = CPU(cpu);
1917     CPUX86State *env = &cpu->env;
1918 
1919     env->eip = 0;
1920     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1921                            sipi_vector << 12,
1922                            env->segs[R_CS].limit,
1923                            env->segs[R_CS].flags);
1924     cs->halted = 0;
1925 }
1926 
1927 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1928                             target_ulong *base, unsigned int *limit,
1929                             unsigned int *flags);
1930 
1931 /* op_helper.c */
1932 /* used for debug or cpu save/restore */
1933 
1934 /* cpu-exec.c */
1935 /* the following helpers are only usable in user mode simulation as
1936    they can trigger unexpected exceptions */
1937 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
1938 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1939 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1940 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1941 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1942 
1943 /* you can call this signal handler from your SIGBUS and SIGSEGV
1944    signal handlers to inform the virtual CPU of exceptions. non zero
1945    is returned if the signal was handled by the virtual CPU.  */
1946 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1947                            void *puc);
1948 
1949 /* cpu.c */
1950 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
1951                               uint32_t vendor2, uint32_t vendor3);
1952 typedef struct PropValue {
1953     const char *prop, *value;
1954 } PropValue;
1955 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props);
1956 
1957 /* cpu.c other functions (cpuid) */
1958 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1959                    uint32_t *eax, uint32_t *ebx,
1960                    uint32_t *ecx, uint32_t *edx);
1961 void cpu_clear_apic_feature(CPUX86State *env);
1962 void host_cpuid(uint32_t function, uint32_t count,
1963                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1964 
1965 /* helper.c */
1966 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1967 
1968 #ifndef CONFIG_USER_ONLY
1969 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1970 {
1971     return !!attrs.secure;
1972 }
1973 
1974 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1975 {
1976     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1977 }
1978 
1979 /*
1980  * load efer and update the corresponding hflags. XXX: do consistency
1981  * checks with cpuid bits?
1982  */
1983 void cpu_load_efer(CPUX86State *env, uint64_t val);
1984 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1985 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1986 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1987 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1988 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1989 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1990 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1991 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1992 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1993 #endif
1994 
1995 /* will be suppressed */
1996 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1997 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1998 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1999 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
2000 
2001 /* hw/pc.c */
2002 uint64_t cpu_get_tsc(CPUX86State *env);
2003 
2004 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
2005 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
2006 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
2007 
2008 #ifdef TARGET_X86_64
2009 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
2010 #else
2011 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
2012 #endif
2013 
2014 #define cpu_signal_handler cpu_x86_signal_handler
2015 #define cpu_list x86_cpu_list
2016 
2017 /* MMU modes definitions */
2018 #define MMU_KSMAP_IDX   0
2019 #define MMU_USER_IDX    1
2020 #define MMU_KNOSMAP_IDX 2
2021 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
2022 {
2023     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
2024         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
2025         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2026 }
2027 
2028 static inline int cpu_mmu_index_kernel(CPUX86State *env)
2029 {
2030     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
2031         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
2032         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2033 }
2034 
2035 #define CC_DST  (env->cc_dst)
2036 #define CC_SRC  (env->cc_src)
2037 #define CC_SRC2 (env->cc_src2)
2038 #define CC_OP   (env->cc_op)
2039 
2040 typedef CPUX86State CPUArchState;
2041 typedef X86CPU ArchCPU;
2042 
2043 #include "exec/cpu-all.h"
2044 #include "svm.h"
2045 
2046 #if !defined(CONFIG_USER_ONLY)
2047 #include "hw/i386/apic.h"
2048 #endif
2049 
2050 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2051                                         target_ulong *cs_base, uint32_t *flags)
2052 {
2053     *cs_base = env->segs[R_CS].base;
2054     *pc = *cs_base + env->eip;
2055     *flags = env->hflags |
2056         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2057 }
2058 
2059 void do_cpu_init(X86CPU *cpu);
2060 void do_cpu_sipi(X86CPU *cpu);
2061 
2062 #define MCE_INJECT_BROADCAST    1
2063 #define MCE_INJECT_UNCOND_AO    2
2064 
2065 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2066                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2067                         uint64_t misc, int flags);
2068 
2069 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2070 
2071 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2072 {
2073     uint32_t eflags = env->eflags;
2074     if (tcg_enabled()) {
2075         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2076     }
2077     return eflags;
2078 }
2079 
2080 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2081 {
2082     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2083 }
2084 
2085 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2086 {
2087     if (env->hflags & HF_SMM_MASK) {
2088         return -1;
2089     } else {
2090         return env->a20_mask;
2091     }
2092 }
2093 
2094 static inline bool cpu_has_vmx(CPUX86State *env)
2095 {
2096     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2097 }
2098 
2099 static inline bool cpu_has_svm(CPUX86State *env)
2100 {
2101     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2102 }
2103 
2104 /*
2105  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2106  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2107  * VMX operation. This is because CR4.VMXE is one of the bits set
2108  * in MSR_IA32_VMX_CR4_FIXED1.
2109  *
2110  * There is one exception to above statement when vCPU enters SMM mode.
2111  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2112  * may also reset CR4.VMXE during execution in SMM mode.
2113  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2114  * and CR4.VMXE is restored to it's original value of being set.
2115  *
2116  * Therefore, when vCPU is not in SMM mode, we can infer whether
2117  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2118  * know for certain.
2119  */
2120 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2121 {
2122     return cpu_has_vmx(env) &&
2123            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2124 }
2125 
2126 /* excp_helper.c */
2127 int get_pg_mode(CPUX86State *env);
2128 
2129 /* fpu_helper.c */
2130 void update_fp_status(CPUX86State *env);
2131 void update_mxcsr_status(CPUX86State *env);
2132 void update_mxcsr_from_sse_status(CPUX86State *env);
2133 
2134 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2135 {
2136     env->mxcsr = mxcsr;
2137     if (tcg_enabled()) {
2138         update_mxcsr_status(env);
2139     }
2140 }
2141 
2142 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2143 {
2144      env->fpuc = fpuc;
2145      if (tcg_enabled()) {
2146         update_fp_status(env);
2147      }
2148 }
2149 
2150 /* mem_helper.c */
2151 void helper_lock_init(void);
2152 
2153 /* svm_helper.c */
2154 #ifdef CONFIG_USER_ONLY
2155 static inline void
2156 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2157                               uint64_t param, uintptr_t retaddr)
2158 { /* no-op */ }
2159 static inline bool
2160 cpu_svm_has_intercept(CPUX86State *env, uint32_t type)
2161 { return false; }
2162 #else
2163 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2164                                    uint64_t param, uintptr_t retaddr);
2165 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type);
2166 #endif
2167 
2168 /* apic.c */
2169 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2170 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2171                                    TPRAccess access);
2172 
2173 /* Special values for X86CPUVersion: */
2174 
2175 /* Resolve to latest CPU version */
2176 #define CPU_VERSION_LATEST -1
2177 
2178 /*
2179  * Resolve to version defined by current machine type.
2180  * See x86_cpu_set_default_version()
2181  */
2182 #define CPU_VERSION_AUTO   -2
2183 
2184 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2185 #define CPU_VERSION_LEGACY  0
2186 
2187 typedef int X86CPUVersion;
2188 
2189 /*
2190  * Set default CPU model version for CPU models having
2191  * version == CPU_VERSION_AUTO.
2192  */
2193 void x86_cpu_set_default_version(X86CPUVersion version);
2194 
2195 #define APIC_DEFAULT_ADDRESS 0xfee00000
2196 #define APIC_SPACE_SIZE      0x100000
2197 
2198 /* cpu-dump.c */
2199 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2200 
2201 /* cpu.c */
2202 bool cpu_is_bsp(X86CPU *cpu);
2203 
2204 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen);
2205 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen);
2206 void x86_update_hflags(CPUX86State* env);
2207 
2208 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2209 {
2210     return !!(cpu->hyperv_features & BIT(feat));
2211 }
2212 
2213 static inline uint64_t cr4_reserved_bits(CPUX86State *env)
2214 {
2215     uint64_t reserved_bits = CR4_RESERVED_MASK;
2216     if (!env->features[FEAT_XSAVE]) {
2217         reserved_bits |= CR4_OSXSAVE_MASK;
2218     }
2219     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) {
2220         reserved_bits |= CR4_SMEP_MASK;
2221     }
2222     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
2223         reserved_bits |= CR4_SMAP_MASK;
2224     }
2225     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) {
2226         reserved_bits |= CR4_FSGSBASE_MASK;
2227     }
2228     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) {
2229         reserved_bits |= CR4_PKE_MASK;
2230     }
2231     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) {
2232         reserved_bits |= CR4_LA57_MASK;
2233     }
2234     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) {
2235         reserved_bits |= CR4_UMIP_MASK;
2236     }
2237     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) {
2238         reserved_bits |= CR4_PKS_MASK;
2239     }
2240     return reserved_bits;
2241 }
2242 
2243 #if defined(TARGET_X86_64) && \
2244     defined(CONFIG_USER_ONLY) && \
2245     defined(CONFIG_LINUX)
2246 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2247 #endif
2248 
2249 #endif /* I386_CPU_H */
2250