xref: /openbmc/qemu/target/i386/cpu.h (revision 354908ce)
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 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 "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 /* Maximum instruction code size */
35 #define TARGET_MAX_INSN_SIZE 16
36 
37 /* support for self modifying code even if the modified instruction is
38    close to the modifying instruction */
39 #define TARGET_HAS_PRECISE_SMC
40 
41 #ifdef TARGET_X86_64
42 #define I386_ELF_MACHINE  EM_X86_64
43 #define ELF_MACHINE_UNAME "x86_64"
44 #else
45 #define I386_ELF_MACHINE  EM_386
46 #define ELF_MACHINE_UNAME "i686"
47 #endif
48 
49 enum {
50     R_EAX = 0,
51     R_ECX = 1,
52     R_EDX = 2,
53     R_EBX = 3,
54     R_ESP = 4,
55     R_EBP = 5,
56     R_ESI = 6,
57     R_EDI = 7,
58     R_R8 = 8,
59     R_R9 = 9,
60     R_R10 = 10,
61     R_R11 = 11,
62     R_R12 = 12,
63     R_R13 = 13,
64     R_R14 = 14,
65     R_R15 = 15,
66 
67     R_AL = 0,
68     R_CL = 1,
69     R_DL = 2,
70     R_BL = 3,
71     R_AH = 4,
72     R_CH = 5,
73     R_DH = 6,
74     R_BH = 7,
75 };
76 
77 typedef enum X86Seg {
78     R_ES = 0,
79     R_CS = 1,
80     R_SS = 2,
81     R_DS = 3,
82     R_FS = 4,
83     R_GS = 5,
84     R_LDTR = 6,
85     R_TR = 7,
86 } X86Seg;
87 
88 /* segment descriptor fields */
89 #define DESC_G_SHIFT    23
90 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
91 #define DESC_B_SHIFT    22
92 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
93 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
94 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
95 #define DESC_AVL_SHIFT  20
96 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
97 #define DESC_P_SHIFT    15
98 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
99 #define DESC_DPL_SHIFT  13
100 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
101 #define DESC_S_SHIFT    12
102 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
103 #define DESC_TYPE_SHIFT 8
104 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
105 #define DESC_A_MASK     (1 << 8)
106 
107 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
108 #define DESC_C_MASK     (1 << 10) /* code: conforming */
109 #define DESC_R_MASK     (1 << 9)  /* code: readable */
110 
111 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
112 #define DESC_W_MASK     (1 << 9)  /* data: writable */
113 
114 #define DESC_TSS_BUSY_MASK (1 << 9)
115 
116 /* eflags masks */
117 #define CC_C    0x0001
118 #define CC_P    0x0004
119 #define CC_A    0x0010
120 #define CC_Z    0x0040
121 #define CC_S    0x0080
122 #define CC_O    0x0800
123 
124 #define TF_SHIFT   8
125 #define IOPL_SHIFT 12
126 #define VM_SHIFT   17
127 
128 #define TF_MASK                 0x00000100
129 #define IF_MASK                 0x00000200
130 #define DF_MASK                 0x00000400
131 #define IOPL_MASK               0x00003000
132 #define NT_MASK                 0x00004000
133 #define RF_MASK                 0x00010000
134 #define VM_MASK                 0x00020000
135 #define AC_MASK                 0x00040000
136 #define VIF_MASK                0x00080000
137 #define VIP_MASK                0x00100000
138 #define ID_MASK                 0x00200000
139 
140 /* hidden flags - used internally by qemu to represent additional cpu
141    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
142    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
143    positions to ease oring with eflags. */
144 /* current cpl */
145 #define HF_CPL_SHIFT         0
146 /* true if hardware interrupts must be disabled for next instruction */
147 #define HF_INHIBIT_IRQ_SHIFT 3
148 /* 16 or 32 segments */
149 #define HF_CS32_SHIFT        4
150 #define HF_SS32_SHIFT        5
151 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
152 #define HF_ADDSEG_SHIFT      6
153 /* copy of CR0.PE (protected mode) */
154 #define HF_PE_SHIFT          7
155 #define HF_TF_SHIFT          8 /* must be same as eflags */
156 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
157 #define HF_EM_SHIFT         10
158 #define HF_TS_SHIFT         11
159 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
160 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
161 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
162 #define HF_RF_SHIFT         16 /* must be same as eflags */
163 #define HF_VM_SHIFT         17 /* must be same as eflags */
164 #define HF_AC_SHIFT         18 /* must be same as eflags */
165 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
166 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
167 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
168 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
169 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
170 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
171 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
172 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
173 
174 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
175 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
176 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
177 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
178 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
179 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
180 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
181 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
182 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
183 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
184 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
185 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
186 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
187 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
188 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
189 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
190 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
191 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
192 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
193 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
194 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
195 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
196 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
197 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
198 
199 /* hflags2 */
200 
201 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
202 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
203 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
204 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
205 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
206 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
207 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
208 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
209 
210 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
211 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
212 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
213 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
214 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
215 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
216 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
217 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
218 
219 #define CR0_PE_SHIFT 0
220 #define CR0_MP_SHIFT 1
221 
222 #define CR0_PE_MASK  (1U << 0)
223 #define CR0_MP_MASK  (1U << 1)
224 #define CR0_EM_MASK  (1U << 2)
225 #define CR0_TS_MASK  (1U << 3)
226 #define CR0_ET_MASK  (1U << 4)
227 #define CR0_NE_MASK  (1U << 5)
228 #define CR0_WP_MASK  (1U << 16)
229 #define CR0_AM_MASK  (1U << 18)
230 #define CR0_PG_MASK  (1U << 31)
231 
232 #define CR4_VME_MASK  (1U << 0)
233 #define CR4_PVI_MASK  (1U << 1)
234 #define CR4_TSD_MASK  (1U << 2)
235 #define CR4_DE_MASK   (1U << 3)
236 #define CR4_PSE_MASK  (1U << 4)
237 #define CR4_PAE_MASK  (1U << 5)
238 #define CR4_MCE_MASK  (1U << 6)
239 #define CR4_PGE_MASK  (1U << 7)
240 #define CR4_PCE_MASK  (1U << 8)
241 #define CR4_OSFXSR_SHIFT 9
242 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
243 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
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 
254 #define DR6_BD          (1 << 13)
255 #define DR6_BS          (1 << 14)
256 #define DR6_BT          (1 << 15)
257 #define DR6_FIXED_1     0xffff0ff0
258 
259 #define DR7_GD          (1 << 13)
260 #define DR7_TYPE_SHIFT  16
261 #define DR7_LEN_SHIFT   18
262 #define DR7_FIXED_1     0x00000400
263 #define DR7_GLOBAL_BP_MASK   0xaa
264 #define DR7_LOCAL_BP_MASK    0x55
265 #define DR7_MAX_BP           4
266 #define DR7_TYPE_BP_INST     0x0
267 #define DR7_TYPE_DATA_WR     0x1
268 #define DR7_TYPE_IO_RW       0x2
269 #define DR7_TYPE_DATA_RW     0x3
270 
271 #define PG_PRESENT_BIT  0
272 #define PG_RW_BIT       1
273 #define PG_USER_BIT     2
274 #define PG_PWT_BIT      3
275 #define PG_PCD_BIT      4
276 #define PG_ACCESSED_BIT 5
277 #define PG_DIRTY_BIT    6
278 #define PG_PSE_BIT      7
279 #define PG_GLOBAL_BIT   8
280 #define PG_PSE_PAT_BIT  12
281 #define PG_PKRU_BIT     59
282 #define PG_NX_BIT       63
283 
284 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
285 #define PG_RW_MASK       (1 << PG_RW_BIT)
286 #define PG_USER_MASK     (1 << PG_USER_BIT)
287 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
288 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
289 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
290 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
291 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
292 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
293 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
294 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
295 #define PG_HI_RSVD_MASK  (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK)
296 #define PG_HI_USER_MASK  0x7ff0000000000000LL
297 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
298 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
299 
300 #define PG_ERROR_W_BIT     1
301 
302 #define PG_ERROR_P_MASK    0x01
303 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
304 #define PG_ERROR_U_MASK    0x04
305 #define PG_ERROR_RSVD_MASK 0x08
306 #define PG_ERROR_I_D_MASK  0x10
307 #define PG_ERROR_PK_MASK   0x20
308 
309 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
310 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
311 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
312 
313 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
314 #define MCE_BANKS_DEF   10
315 
316 #define MCG_CAP_BANKS_MASK 0xff
317 
318 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
319 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
320 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
321 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
322 
323 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
324 
325 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
326 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
327 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
328 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
329 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
330 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
331 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
332 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
333 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
334 
335 /* MISC register defines */
336 #define MCM_ADDR_SEGOFF  0      /* segment offset */
337 #define MCM_ADDR_LINEAR  1      /* linear address */
338 #define MCM_ADDR_PHYS    2      /* physical address */
339 #define MCM_ADDR_MEM     3      /* memory address */
340 #define MCM_ADDR_GENERIC 7      /* generic */
341 
342 #define MSR_IA32_TSC                    0x10
343 #define MSR_IA32_APICBASE               0x1b
344 #define MSR_IA32_APICBASE_BSP           (1<<8)
345 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
346 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
347 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
348 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
349 #define MSR_TSC_ADJUST                  0x0000003b
350 #define MSR_IA32_SPEC_CTRL              0x48
351 #define MSR_VIRT_SSBD                   0xc001011f
352 #define MSR_IA32_PRED_CMD               0x49
353 #define MSR_IA32_UCODE_REV              0x8b
354 #define MSR_IA32_CORE_CAPABILITY        0xcf
355 
356 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
357 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
358 
359 #define MSR_IA32_PERF_CAPABILITIES      0x345
360 
361 #define MSR_IA32_TSX_CTRL		0x122
362 #define MSR_IA32_TSCDEADLINE            0x6e0
363 
364 #define FEATURE_CONTROL_LOCKED                    (1<<0)
365 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
366 #define FEATURE_CONTROL_LMCE                      (1<<20)
367 
368 #define MSR_P6_PERFCTR0                 0xc1
369 
370 #define MSR_IA32_SMBASE                 0x9e
371 #define MSR_SMI_COUNT                   0x34
372 #define MSR_MTRRcap                     0xfe
373 #define MSR_MTRRcap_VCNT                8
374 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
375 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
376 
377 #define MSR_IA32_SYSENTER_CS            0x174
378 #define MSR_IA32_SYSENTER_ESP           0x175
379 #define MSR_IA32_SYSENTER_EIP           0x176
380 
381 #define MSR_MCG_CAP                     0x179
382 #define MSR_MCG_STATUS                  0x17a
383 #define MSR_MCG_CTL                     0x17b
384 #define MSR_MCG_EXT_CTL                 0x4d0
385 
386 #define MSR_P6_EVNTSEL0                 0x186
387 
388 #define MSR_IA32_PERF_STATUS            0x198
389 
390 #define MSR_IA32_MISC_ENABLE            0x1a0
391 /* Indicates good rep/movs microcode on some processors: */
392 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
393 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
394 
395 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
396 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
397 
398 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
399 
400 #define MSR_MTRRfix64K_00000            0x250
401 #define MSR_MTRRfix16K_80000            0x258
402 #define MSR_MTRRfix16K_A0000            0x259
403 #define MSR_MTRRfix4K_C0000             0x268
404 #define MSR_MTRRfix4K_C8000             0x269
405 #define MSR_MTRRfix4K_D0000             0x26a
406 #define MSR_MTRRfix4K_D8000             0x26b
407 #define MSR_MTRRfix4K_E0000             0x26c
408 #define MSR_MTRRfix4K_E8000             0x26d
409 #define MSR_MTRRfix4K_F0000             0x26e
410 #define MSR_MTRRfix4K_F8000             0x26f
411 
412 #define MSR_PAT                         0x277
413 
414 #define MSR_MTRRdefType                 0x2ff
415 
416 #define MSR_CORE_PERF_FIXED_CTR0        0x309
417 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
418 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
419 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
420 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
421 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
422 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
423 
424 #define MSR_MC0_CTL                     0x400
425 #define MSR_MC0_STATUS                  0x401
426 #define MSR_MC0_ADDR                    0x402
427 #define MSR_MC0_MISC                    0x403
428 
429 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
430 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
431 #define MSR_IA32_RTIT_CTL               0x570
432 #define MSR_IA32_RTIT_STATUS            0x571
433 #define MSR_IA32_RTIT_CR3_MATCH         0x572
434 #define MSR_IA32_RTIT_ADDR0_A           0x580
435 #define MSR_IA32_RTIT_ADDR0_B           0x581
436 #define MSR_IA32_RTIT_ADDR1_A           0x582
437 #define MSR_IA32_RTIT_ADDR1_B           0x583
438 #define MSR_IA32_RTIT_ADDR2_A           0x584
439 #define MSR_IA32_RTIT_ADDR2_B           0x585
440 #define MSR_IA32_RTIT_ADDR3_A           0x586
441 #define MSR_IA32_RTIT_ADDR3_B           0x587
442 #define MAX_RTIT_ADDRS                  8
443 
444 #define MSR_EFER                        0xc0000080
445 
446 #define MSR_EFER_SCE   (1 << 0)
447 #define MSR_EFER_LME   (1 << 8)
448 #define MSR_EFER_LMA   (1 << 10)
449 #define MSR_EFER_NXE   (1 << 11)
450 #define MSR_EFER_SVME  (1 << 12)
451 #define MSR_EFER_FFXSR (1 << 14)
452 
453 #define MSR_STAR                        0xc0000081
454 #define MSR_LSTAR                       0xc0000082
455 #define MSR_CSTAR                       0xc0000083
456 #define MSR_FMASK                       0xc0000084
457 #define MSR_FSBASE                      0xc0000100
458 #define MSR_GSBASE                      0xc0000101
459 #define MSR_KERNELGSBASE                0xc0000102
460 #define MSR_TSC_AUX                     0xc0000103
461 
462 #define MSR_VM_HSAVE_PA                 0xc0010117
463 
464 #define MSR_IA32_BNDCFGS                0x00000d90
465 #define MSR_IA32_XSS                    0x00000da0
466 #define MSR_IA32_UMWAIT_CONTROL         0xe1
467 
468 #define MSR_IA32_VMX_BASIC              0x00000480
469 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
470 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
471 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
472 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
473 #define MSR_IA32_VMX_MISC               0x00000485
474 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
475 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
476 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
477 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
478 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
479 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
480 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
481 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
482 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
483 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
484 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
485 #define MSR_IA32_VMX_VMFUNC             0x00000491
486 
487 #define XSTATE_FP_BIT                   0
488 #define XSTATE_SSE_BIT                  1
489 #define XSTATE_YMM_BIT                  2
490 #define XSTATE_BNDREGS_BIT              3
491 #define XSTATE_BNDCSR_BIT               4
492 #define XSTATE_OPMASK_BIT               5
493 #define XSTATE_ZMM_Hi256_BIT            6
494 #define XSTATE_Hi16_ZMM_BIT             7
495 #define XSTATE_PKRU_BIT                 9
496 
497 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
498 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
499 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
500 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
501 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
502 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
503 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
504 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
505 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
506 
507 /* CPUID feature words */
508 typedef enum FeatureWord {
509     FEAT_1_EDX,         /* CPUID[1].EDX */
510     FEAT_1_ECX,         /* CPUID[1].ECX */
511     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
512     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
513     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
514     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
515     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
516     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
517     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
518     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
519     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
520     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
521     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
522     FEAT_HYPERV_EAX,    /* CPUID[4000_0003].EAX */
523     FEAT_HYPERV_EBX,    /* CPUID[4000_0003].EBX */
524     FEAT_HYPERV_EDX,    /* CPUID[4000_0003].EDX */
525     FEAT_HV_RECOMM_EAX, /* CPUID[4000_0004].EAX */
526     FEAT_HV_NESTED_EAX, /* CPUID[4000_000A].EAX */
527     FEAT_SVM,           /* CPUID[8000_000A].EDX */
528     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
529     FEAT_6_EAX,         /* CPUID[6].EAX */
530     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
531     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
532     FEAT_ARCH_CAPABILITIES,
533     FEAT_CORE_CAPABILITY,
534     FEAT_PERF_CAPABILITIES,
535     FEAT_VMX_PROCBASED_CTLS,
536     FEAT_VMX_SECONDARY_CTLS,
537     FEAT_VMX_PINBASED_CTLS,
538     FEAT_VMX_EXIT_CTLS,
539     FEAT_VMX_ENTRY_CTLS,
540     FEAT_VMX_MISC,
541     FEAT_VMX_EPT_VPID_CAPS,
542     FEAT_VMX_BASIC,
543     FEAT_VMX_VMFUNC,
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 
686 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
687 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
688 /* 1st Group of Advanced Bit Manipulation Extensions */
689 #define CPUID_7_0_EBX_BMI1              (1U << 3)
690 /* Hardware Lock Elision */
691 #define CPUID_7_0_EBX_HLE               (1U << 4)
692 /* Intel Advanced Vector Extensions 2 */
693 #define CPUID_7_0_EBX_AVX2              (1U << 5)
694 /* Supervisor-mode Execution Prevention */
695 #define CPUID_7_0_EBX_SMEP              (1U << 7)
696 /* 2nd Group of Advanced Bit Manipulation Extensions */
697 #define CPUID_7_0_EBX_BMI2              (1U << 8)
698 /* Enhanced REP MOVSB/STOSB */
699 #define CPUID_7_0_EBX_ERMS              (1U << 9)
700 /* Invalidate Process-Context Identifier */
701 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
702 /* Restricted Transactional Memory */
703 #define CPUID_7_0_EBX_RTM               (1U << 11)
704 /* Memory Protection Extension */
705 #define CPUID_7_0_EBX_MPX               (1U << 14)
706 /* AVX-512 Foundation */
707 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
708 /* AVX-512 Doubleword & Quadword Instruction */
709 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
710 /* Read Random SEED */
711 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
712 /* ADCX and ADOX instructions */
713 #define CPUID_7_0_EBX_ADX               (1U << 19)
714 /* Supervisor Mode Access Prevention */
715 #define CPUID_7_0_EBX_SMAP              (1U << 20)
716 /* AVX-512 Integer Fused Multiply Add */
717 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
718 /* Persistent Commit */
719 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
720 /* Flush a Cache Line Optimized */
721 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
722 /* Cache Line Write Back */
723 #define CPUID_7_0_EBX_CLWB              (1U << 24)
724 /* Intel Processor Trace */
725 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
726 /* AVX-512 Prefetch */
727 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
728 /* AVX-512 Exponential and Reciprocal */
729 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
730 /* AVX-512 Conflict Detection */
731 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
732 /* SHA1/SHA256 Instruction Extensions */
733 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
734 /* AVX-512 Byte and Word Instructions */
735 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
736 /* AVX-512 Vector Length Extensions */
737 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
738 
739 /* AVX-512 Vector Byte Manipulation Instruction */
740 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
741 /* User-Mode Instruction Prevention */
742 #define CPUID_7_0_ECX_UMIP              (1U << 2)
743 /* Protection Keys for User-mode Pages */
744 #define CPUID_7_0_ECX_PKU               (1U << 3)
745 /* OS Enable Protection Keys */
746 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
747 /* UMONITOR/UMWAIT/TPAUSE Instructions */
748 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
749 /* Additional AVX-512 Vector Byte Manipulation Instruction */
750 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
751 /* Galois Field New Instructions */
752 #define CPUID_7_0_ECX_GFNI              (1U << 8)
753 /* Vector AES Instructions */
754 #define CPUID_7_0_ECX_VAES              (1U << 9)
755 /* Carry-Less Multiplication Quadword */
756 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
757 /* Vector Neural Network Instructions */
758 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
759 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
760 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
761 /* POPCNT for vectors of DW/QW */
762 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
763 /* 5-level Page Tables */
764 #define CPUID_7_0_ECX_LA57              (1U << 16)
765 /* Read Processor ID */
766 #define CPUID_7_0_ECX_RDPID             (1U << 22)
767 /* Cache Line Demote Instruction */
768 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
769 /* Move Doubleword as Direct Store Instruction */
770 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
771 /* Move 64 Bytes as Direct Store Instruction */
772 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
773 
774 /* AVX512 Neural Network Instructions */
775 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
776 /* AVX512 Multiply Accumulation Single Precision */
777 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
778 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
779 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
780 /* Speculation Control */
781 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
782 /* Single Thread Indirect Branch Predictors */
783 #define CPUID_7_0_EDX_STIBP             (1U << 27)
784 /* Arch Capabilities */
785 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
786 /* Core Capability */
787 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
788 /* Speculative Store Bypass Disable */
789 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
790 
791 /* AVX512 BFloat16 Instruction */
792 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
793 
794 /* CLZERO instruction */
795 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
796 /* Always save/restore FP error pointers */
797 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
798 /* Write back and do not invalidate cache */
799 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
800 /* Indirect Branch Prediction Barrier */
801 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
802 /* Single Thread Indirect Branch Predictors */
803 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
804 
805 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
806 #define CPUID_XSAVE_XSAVEC     (1U << 1)
807 #define CPUID_XSAVE_XGETBV1    (1U << 2)
808 #define CPUID_XSAVE_XSAVES     (1U << 3)
809 
810 #define CPUID_6_EAX_ARAT       (1U << 2)
811 
812 /* CPUID[0x80000007].EDX flags: */
813 #define CPUID_APM_INVTSC       (1U << 8)
814 
815 #define CPUID_VENDOR_SZ      12
816 
817 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
818 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
819 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
820 #define CPUID_VENDOR_INTEL "GenuineIntel"
821 
822 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
823 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
824 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
825 #define CPUID_VENDOR_AMD   "AuthenticAMD"
826 
827 #define CPUID_VENDOR_VIA   "CentaurHauls"
828 
829 #define CPUID_VENDOR_HYGON    "HygonGenuine"
830 
831 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
832                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
833                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
834 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
835                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
836                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
837 
838 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
839 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
840 
841 /* CPUID[0xB].ECX level types */
842 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
843 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
844 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
845 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
846 
847 /* MSR Feature Bits */
848 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
849 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
850 #define MSR_ARCH_CAP_RSBA               (1U << 2)
851 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
852 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
853 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
854 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
855 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
856 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
857 
858 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
859 
860 /* VMX MSR features */
861 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
862 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
863 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
864 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
865 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
866 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
867 
868 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
869 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
870 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
871 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
872 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
873 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
874 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
875 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
876 
877 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
878 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
879 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
880 #define MSR_VMX_EPT_UC                               (1ULL << 8)
881 #define MSR_VMX_EPT_WB                               (1ULL << 14)
882 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
883 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
884 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
885 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
886 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
887 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
888 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
889 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
890 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
891 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
892 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
893 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
894 
895 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
896 
897 
898 /* VMX controls */
899 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
900 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
901 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
902 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
903 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
904 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
905 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
906 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
907 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
908 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
909 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
910 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
911 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
912 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
913 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
914 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
915 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
916 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
917 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
918 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
919 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
920 
921 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
922 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
923 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
924 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
925 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
926 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
927 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
928 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
929 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
930 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
931 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
932 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
933 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
934 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
935 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
936 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
937 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
938 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
939 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
940 
941 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
942 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
943 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
944 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
945 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
946 
947 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
948 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
949 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
950 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
951 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
952 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
953 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
954 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
955 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
956 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
957 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
958 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
959 
960 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
961 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
962 #define VMX_VM_ENTRY_SMM                            0x00000400
963 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
964 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
965 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
966 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
967 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
968 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
969 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
970 
971 /* Supported Hyper-V Enlightenments */
972 #define HYPERV_FEAT_RELAXED             0
973 #define HYPERV_FEAT_VAPIC               1
974 #define HYPERV_FEAT_TIME                2
975 #define HYPERV_FEAT_CRASH               3
976 #define HYPERV_FEAT_RESET               4
977 #define HYPERV_FEAT_VPINDEX             5
978 #define HYPERV_FEAT_RUNTIME             6
979 #define HYPERV_FEAT_SYNIC               7
980 #define HYPERV_FEAT_STIMER              8
981 #define HYPERV_FEAT_FREQUENCIES         9
982 #define HYPERV_FEAT_REENLIGHTENMENT     10
983 #define HYPERV_FEAT_TLBFLUSH            11
984 #define HYPERV_FEAT_EVMCS               12
985 #define HYPERV_FEAT_IPI                 13
986 #define HYPERV_FEAT_STIMER_DIRECT       14
987 
988 #ifndef HYPERV_SPINLOCK_NEVER_RETRY
989 #define HYPERV_SPINLOCK_NEVER_RETRY             0xFFFFFFFF
990 #endif
991 
992 #define EXCP00_DIVZ	0
993 #define EXCP01_DB	1
994 #define EXCP02_NMI	2
995 #define EXCP03_INT3	3
996 #define EXCP04_INTO	4
997 #define EXCP05_BOUND	5
998 #define EXCP06_ILLOP	6
999 #define EXCP07_PREX	7
1000 #define EXCP08_DBLE	8
1001 #define EXCP09_XERR	9
1002 #define EXCP0A_TSS	10
1003 #define EXCP0B_NOSEG	11
1004 #define EXCP0C_STACK	12
1005 #define EXCP0D_GPF	13
1006 #define EXCP0E_PAGE	14
1007 #define EXCP10_COPR	16
1008 #define EXCP11_ALGN	17
1009 #define EXCP12_MCHK	18
1010 
1011 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1012 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1013 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1014 
1015 /* i386-specific interrupt pending bits.  */
1016 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1017 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1018 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1019 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1020 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1021 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1022 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1023 
1024 /* Use a clearer name for this.  */
1025 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1026 
1027 /* Instead of computing the condition codes after each x86 instruction,
1028  * QEMU just stores one operand (called CC_SRC), the result
1029  * (called CC_DST) and the type of operation (called CC_OP). When the
1030  * condition codes are needed, the condition codes can be calculated
1031  * using this information. Condition codes are not generated if they
1032  * are only needed for conditional branches.
1033  */
1034 typedef enum {
1035     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1036     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1037 
1038     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1039     CC_OP_MULW,
1040     CC_OP_MULL,
1041     CC_OP_MULQ,
1042 
1043     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1044     CC_OP_ADDW,
1045     CC_OP_ADDL,
1046     CC_OP_ADDQ,
1047 
1048     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1049     CC_OP_ADCW,
1050     CC_OP_ADCL,
1051     CC_OP_ADCQ,
1052 
1053     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1054     CC_OP_SUBW,
1055     CC_OP_SUBL,
1056     CC_OP_SUBQ,
1057 
1058     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1059     CC_OP_SBBW,
1060     CC_OP_SBBL,
1061     CC_OP_SBBQ,
1062 
1063     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1064     CC_OP_LOGICW,
1065     CC_OP_LOGICL,
1066     CC_OP_LOGICQ,
1067 
1068     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1069     CC_OP_INCW,
1070     CC_OP_INCL,
1071     CC_OP_INCQ,
1072 
1073     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1074     CC_OP_DECW,
1075     CC_OP_DECL,
1076     CC_OP_DECQ,
1077 
1078     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1079     CC_OP_SHLW,
1080     CC_OP_SHLL,
1081     CC_OP_SHLQ,
1082 
1083     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1084     CC_OP_SARW,
1085     CC_OP_SARL,
1086     CC_OP_SARQ,
1087 
1088     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1089     CC_OP_BMILGW,
1090     CC_OP_BMILGL,
1091     CC_OP_BMILGQ,
1092 
1093     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1094     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1095     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1096 
1097     CC_OP_CLR, /* Z set, all other flags clear.  */
1098     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1099 
1100     CC_OP_NB,
1101 } CCOp;
1102 
1103 typedef struct SegmentCache {
1104     uint32_t selector;
1105     target_ulong base;
1106     uint32_t limit;
1107     uint32_t flags;
1108 } SegmentCache;
1109 
1110 #define MMREG_UNION(n, bits)        \
1111     union n {                       \
1112         uint8_t  _b_##n[(bits)/8];  \
1113         uint16_t _w_##n[(bits)/16]; \
1114         uint32_t _l_##n[(bits)/32]; \
1115         uint64_t _q_##n[(bits)/64]; \
1116         float32  _s_##n[(bits)/32]; \
1117         float64  _d_##n[(bits)/64]; \
1118     }
1119 
1120 typedef union {
1121     uint8_t _b[16];
1122     uint16_t _w[8];
1123     uint32_t _l[4];
1124     uint64_t _q[2];
1125 } XMMReg;
1126 
1127 typedef union {
1128     uint8_t _b[32];
1129     uint16_t _w[16];
1130     uint32_t _l[8];
1131     uint64_t _q[4];
1132 } YMMReg;
1133 
1134 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1135 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1136 
1137 typedef struct BNDReg {
1138     uint64_t lb;
1139     uint64_t ub;
1140 } BNDReg;
1141 
1142 typedef struct BNDCSReg {
1143     uint64_t cfgu;
1144     uint64_t sts;
1145 } BNDCSReg;
1146 
1147 #define BNDCFG_ENABLE       1ULL
1148 #define BNDCFG_BNDPRESERVE  2ULL
1149 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1150 
1151 #ifdef HOST_WORDS_BIGENDIAN
1152 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1153 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1154 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1155 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1156 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1157 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1158 
1159 #define MMX_B(n) _b_MMXReg[7 - (n)]
1160 #define MMX_W(n) _w_MMXReg[3 - (n)]
1161 #define MMX_L(n) _l_MMXReg[1 - (n)]
1162 #define MMX_S(n) _s_MMXReg[1 - (n)]
1163 #else
1164 #define ZMM_B(n) _b_ZMMReg[n]
1165 #define ZMM_W(n) _w_ZMMReg[n]
1166 #define ZMM_L(n) _l_ZMMReg[n]
1167 #define ZMM_S(n) _s_ZMMReg[n]
1168 #define ZMM_Q(n) _q_ZMMReg[n]
1169 #define ZMM_D(n) _d_ZMMReg[n]
1170 
1171 #define MMX_B(n) _b_MMXReg[n]
1172 #define MMX_W(n) _w_MMXReg[n]
1173 #define MMX_L(n) _l_MMXReg[n]
1174 #define MMX_S(n) _s_MMXReg[n]
1175 #endif
1176 #define MMX_Q(n) _q_MMXReg[n]
1177 
1178 typedef union {
1179     floatx80 d __attribute__((aligned(16)));
1180     MMXReg mmx;
1181 } FPReg;
1182 
1183 typedef struct {
1184     uint64_t base;
1185     uint64_t mask;
1186 } MTRRVar;
1187 
1188 #define CPU_NB_REGS64 16
1189 #define CPU_NB_REGS32 8
1190 
1191 #ifdef TARGET_X86_64
1192 #define CPU_NB_REGS CPU_NB_REGS64
1193 #else
1194 #define CPU_NB_REGS CPU_NB_REGS32
1195 #endif
1196 
1197 #define MAX_FIXED_COUNTERS 3
1198 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1199 
1200 #define TARGET_INSN_START_EXTRA_WORDS 1
1201 
1202 #define NB_OPMASK_REGS 8
1203 
1204 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1205  * that APIC ID hasn't been set yet
1206  */
1207 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1208 
1209 typedef union X86LegacyXSaveArea {
1210     struct {
1211         uint16_t fcw;
1212         uint16_t fsw;
1213         uint8_t ftw;
1214         uint8_t reserved;
1215         uint16_t fpop;
1216         uint64_t fpip;
1217         uint64_t fpdp;
1218         uint32_t mxcsr;
1219         uint32_t mxcsr_mask;
1220         FPReg fpregs[8];
1221         uint8_t xmm_regs[16][16];
1222     };
1223     uint8_t data[512];
1224 } X86LegacyXSaveArea;
1225 
1226 typedef struct X86XSaveHeader {
1227     uint64_t xstate_bv;
1228     uint64_t xcomp_bv;
1229     uint64_t reserve0;
1230     uint8_t reserved[40];
1231 } X86XSaveHeader;
1232 
1233 /* Ext. save area 2: AVX State */
1234 typedef struct XSaveAVX {
1235     uint8_t ymmh[16][16];
1236 } XSaveAVX;
1237 
1238 /* Ext. save area 3: BNDREG */
1239 typedef struct XSaveBNDREG {
1240     BNDReg bnd_regs[4];
1241 } XSaveBNDREG;
1242 
1243 /* Ext. save area 4: BNDCSR */
1244 typedef union XSaveBNDCSR {
1245     BNDCSReg bndcsr;
1246     uint8_t data[64];
1247 } XSaveBNDCSR;
1248 
1249 /* Ext. save area 5: Opmask */
1250 typedef struct XSaveOpmask {
1251     uint64_t opmask_regs[NB_OPMASK_REGS];
1252 } XSaveOpmask;
1253 
1254 /* Ext. save area 6: ZMM_Hi256 */
1255 typedef struct XSaveZMM_Hi256 {
1256     uint8_t zmm_hi256[16][32];
1257 } XSaveZMM_Hi256;
1258 
1259 /* Ext. save area 7: Hi16_ZMM */
1260 typedef struct XSaveHi16_ZMM {
1261     uint8_t hi16_zmm[16][64];
1262 } XSaveHi16_ZMM;
1263 
1264 /* Ext. save area 9: PKRU state */
1265 typedef struct XSavePKRU {
1266     uint32_t pkru;
1267     uint32_t padding;
1268 } XSavePKRU;
1269 
1270 typedef struct X86XSaveArea {
1271     X86LegacyXSaveArea legacy;
1272     X86XSaveHeader header;
1273 
1274     /* Extended save areas: */
1275 
1276     /* AVX State: */
1277     XSaveAVX avx_state;
1278     uint8_t padding[960 - 576 - sizeof(XSaveAVX)];
1279     /* MPX State: */
1280     XSaveBNDREG bndreg_state;
1281     XSaveBNDCSR bndcsr_state;
1282     /* AVX-512 State: */
1283     XSaveOpmask opmask_state;
1284     XSaveZMM_Hi256 zmm_hi256_state;
1285     XSaveHi16_ZMM hi16_zmm_state;
1286     /* PKRU State: */
1287     XSavePKRU pkru_state;
1288 } X86XSaveArea;
1289 
1290 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240);
1291 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1292 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0);
1293 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1294 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400);
1295 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1296 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440);
1297 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1298 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480);
1299 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1300 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680);
1301 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1302 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80);
1303 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1304 
1305 typedef enum TPRAccess {
1306     TPR_ACCESS_READ,
1307     TPR_ACCESS_WRITE,
1308 } TPRAccess;
1309 
1310 /* Cache information data structures: */
1311 
1312 enum CacheType {
1313     DATA_CACHE,
1314     INSTRUCTION_CACHE,
1315     UNIFIED_CACHE
1316 };
1317 
1318 typedef struct CPUCacheInfo {
1319     enum CacheType type;
1320     uint8_t level;
1321     /* Size in bytes */
1322     uint32_t size;
1323     /* Line size, in bytes */
1324     uint16_t line_size;
1325     /*
1326      * Associativity.
1327      * Note: representation of fully-associative caches is not implemented
1328      */
1329     uint8_t associativity;
1330     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1331     uint8_t partitions;
1332     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1333     uint32_t sets;
1334     /*
1335      * Lines per tag.
1336      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1337      * (Is this synonym to @partitions?)
1338      */
1339     uint8_t lines_per_tag;
1340 
1341     /* Self-initializing cache */
1342     bool self_init;
1343     /*
1344      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1345      * non-originating threads sharing this cache.
1346      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1347      */
1348     bool no_invd_sharing;
1349     /*
1350      * Cache is inclusive of lower cache levels.
1351      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1352      */
1353     bool inclusive;
1354     /*
1355      * A complex function is used to index the cache, potentially using all
1356      * address bits.  CPUID[4].EDX[bit 2].
1357      */
1358     bool complex_indexing;
1359 } CPUCacheInfo;
1360 
1361 
1362 typedef struct CPUCaches {
1363         CPUCacheInfo *l1d_cache;
1364         CPUCacheInfo *l1i_cache;
1365         CPUCacheInfo *l2_cache;
1366         CPUCacheInfo *l3_cache;
1367 } CPUCaches;
1368 
1369 typedef struct HVFX86LazyFlags {
1370     target_ulong result;
1371     target_ulong auxbits;
1372 } HVFX86LazyFlags;
1373 
1374 typedef struct CPUX86State {
1375     /* standard registers */
1376     target_ulong regs[CPU_NB_REGS];
1377     target_ulong eip;
1378     target_ulong eflags; /* eflags register. During CPU emulation, CC
1379                         flags and DF are set to zero because they are
1380                         stored elsewhere */
1381 
1382     /* emulator internal eflags handling */
1383     target_ulong cc_dst;
1384     target_ulong cc_src;
1385     target_ulong cc_src2;
1386     uint32_t cc_op;
1387     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1388     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1389                         are known at translation time. */
1390     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1391 
1392     /* segments */
1393     SegmentCache segs[6]; /* selector values */
1394     SegmentCache ldt;
1395     SegmentCache tr;
1396     SegmentCache gdt; /* only base and limit are used */
1397     SegmentCache idt; /* only base and limit are used */
1398 
1399     target_ulong cr[5]; /* NOTE: cr1 is unused */
1400     int32_t a20_mask;
1401 
1402     BNDReg bnd_regs[4];
1403     BNDCSReg bndcs_regs;
1404     uint64_t msr_bndcfgs;
1405     uint64_t efer;
1406 
1407     /* Beginning of state preserved by INIT (dummy marker).  */
1408     struct {} start_init_save;
1409 
1410     /* FPU state */
1411     unsigned int fpstt; /* top of stack index */
1412     uint16_t fpus;
1413     uint16_t fpuc;
1414     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1415     FPReg fpregs[8];
1416     /* KVM-only so far */
1417     uint16_t fpop;
1418     uint64_t fpip;
1419     uint64_t fpdp;
1420 
1421     /* emulator internal variables */
1422     float_status fp_status;
1423     floatx80 ft0;
1424 
1425     float_status mmx_status; /* for 3DNow! float ops */
1426     float_status sse_status;
1427     uint32_t mxcsr;
1428     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1429     ZMMReg xmm_t0;
1430     MMXReg mmx_t0;
1431 
1432     XMMReg ymmh_regs[CPU_NB_REGS];
1433 
1434     uint64_t opmask_regs[NB_OPMASK_REGS];
1435     YMMReg zmmh_regs[CPU_NB_REGS];
1436     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1437 
1438     /* sysenter registers */
1439     uint32_t sysenter_cs;
1440     target_ulong sysenter_esp;
1441     target_ulong sysenter_eip;
1442     uint64_t star;
1443 
1444     uint64_t vm_hsave;
1445 
1446 #ifdef TARGET_X86_64
1447     target_ulong lstar;
1448     target_ulong cstar;
1449     target_ulong fmask;
1450     target_ulong kernelgsbase;
1451 #endif
1452 
1453     uint64_t tsc;
1454     uint64_t tsc_adjust;
1455     uint64_t tsc_deadline;
1456     uint64_t tsc_aux;
1457 
1458     uint64_t xcr0;
1459 
1460     uint64_t mcg_status;
1461     uint64_t msr_ia32_misc_enable;
1462     uint64_t msr_ia32_feature_control;
1463 
1464     uint64_t msr_fixed_ctr_ctrl;
1465     uint64_t msr_global_ctrl;
1466     uint64_t msr_global_status;
1467     uint64_t msr_global_ovf_ctrl;
1468     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1469     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1470     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1471 
1472     uint64_t pat;
1473     uint32_t smbase;
1474     uint64_t msr_smi_count;
1475 
1476     uint32_t pkru;
1477     uint32_t tsx_ctrl;
1478 
1479     uint64_t spec_ctrl;
1480     uint64_t virt_ssbd;
1481 
1482     /* End of state preserved by INIT (dummy marker).  */
1483     struct {} end_init_save;
1484 
1485     uint64_t system_time_msr;
1486     uint64_t wall_clock_msr;
1487     uint64_t steal_time_msr;
1488     uint64_t async_pf_en_msr;
1489     uint64_t pv_eoi_en_msr;
1490     uint64_t poll_control_msr;
1491 
1492     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1493     uint64_t msr_hv_hypercall;
1494     uint64_t msr_hv_guest_os_id;
1495     uint64_t msr_hv_tsc;
1496 
1497     /* Per-VCPU HV MSRs */
1498     uint64_t msr_hv_vapic;
1499     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1500     uint64_t msr_hv_runtime;
1501     uint64_t msr_hv_synic_control;
1502     uint64_t msr_hv_synic_evt_page;
1503     uint64_t msr_hv_synic_msg_page;
1504     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1505     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1506     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1507     uint64_t msr_hv_reenlightenment_control;
1508     uint64_t msr_hv_tsc_emulation_control;
1509     uint64_t msr_hv_tsc_emulation_status;
1510 
1511     uint64_t msr_rtit_ctrl;
1512     uint64_t msr_rtit_status;
1513     uint64_t msr_rtit_output_base;
1514     uint64_t msr_rtit_output_mask;
1515     uint64_t msr_rtit_cr3_match;
1516     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1517 
1518     /* exception/interrupt handling */
1519     int error_code;
1520     int exception_is_int;
1521     target_ulong exception_next_eip;
1522     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1523     union {
1524         struct CPUBreakpoint *cpu_breakpoint[4];
1525         struct CPUWatchpoint *cpu_watchpoint[4];
1526     }; /* break/watchpoints for dr[0..3] */
1527     int old_exception;  /* exception in flight */
1528 
1529     uint64_t vm_vmcb;
1530     uint64_t tsc_offset;
1531     uint64_t intercept;
1532     uint16_t intercept_cr_read;
1533     uint16_t intercept_cr_write;
1534     uint16_t intercept_dr_read;
1535     uint16_t intercept_dr_write;
1536     uint32_t intercept_exceptions;
1537     uint64_t nested_cr3;
1538     uint32_t nested_pg_mode;
1539     uint8_t v_tpr;
1540 
1541     /* KVM states, automatically cleared on reset */
1542     uint8_t nmi_injected;
1543     uint8_t nmi_pending;
1544 
1545     uintptr_t retaddr;
1546 
1547     /* Fields up to this point are cleared by a CPU reset */
1548     struct {} end_reset_fields;
1549 
1550     /* Fields after this point are preserved across CPU reset. */
1551 
1552     /* processor features (e.g. for CPUID insn) */
1553     /* Minimum cpuid leaf 7 value */
1554     uint32_t cpuid_level_func7;
1555     /* Actual cpuid leaf 7 value */
1556     uint32_t cpuid_min_level_func7;
1557     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1558     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1559     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1560     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1561     /* Actual level/xlevel/xlevel2 value: */
1562     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1563     uint32_t cpuid_vendor1;
1564     uint32_t cpuid_vendor2;
1565     uint32_t cpuid_vendor3;
1566     uint32_t cpuid_version;
1567     FeatureWordArray features;
1568     /* Features that were explicitly enabled/disabled */
1569     FeatureWordArray user_features;
1570     uint32_t cpuid_model[12];
1571     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1572      * on each CPUID leaf will be different, because we keep compatibility
1573      * with old QEMU versions.
1574      */
1575     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1576 
1577     /* MTRRs */
1578     uint64_t mtrr_fixed[11];
1579     uint64_t mtrr_deftype;
1580     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1581 
1582     /* For KVM */
1583     uint32_t mp_state;
1584     int32_t exception_nr;
1585     int32_t interrupt_injected;
1586     uint8_t soft_interrupt;
1587     uint8_t exception_pending;
1588     uint8_t exception_injected;
1589     uint8_t has_error_code;
1590     uint8_t exception_has_payload;
1591     uint64_t exception_payload;
1592     uint32_t ins_len;
1593     uint32_t sipi_vector;
1594     bool tsc_valid;
1595     int64_t tsc_khz;
1596     int64_t user_tsc_khz; /* for sanity check only */
1597     uint64_t apic_bus_freq;
1598 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1599     void *xsave_buf;
1600 #endif
1601 #if defined(CONFIG_KVM)
1602     struct kvm_nested_state *nested_state;
1603 #endif
1604 #if defined(CONFIG_HVF)
1605     HVFX86LazyFlags hvf_lflags;
1606     void *hvf_mmio_buf;
1607 #endif
1608 
1609     uint64_t mcg_cap;
1610     uint64_t mcg_ctl;
1611     uint64_t mcg_ext_ctl;
1612     uint64_t mce_banks[MCE_BANKS_DEF*4];
1613     uint64_t xstate_bv;
1614 
1615     /* vmstate */
1616     uint16_t fpus_vmstate;
1617     uint16_t fptag_vmstate;
1618     uint16_t fpregs_format_vmstate;
1619 
1620     uint64_t xss;
1621     uint32_t umwait;
1622 
1623     TPRAccess tpr_access_type;
1624 
1625     unsigned nr_dies;
1626     unsigned nr_nodes;
1627     unsigned pkg_offset;
1628 } CPUX86State;
1629 
1630 struct kvm_msrs;
1631 
1632 /**
1633  * X86CPU:
1634  * @env: #CPUX86State
1635  * @migratable: If set, only migratable flags will be accepted when "enforce"
1636  * mode is used, and only migratable flags will be included in the "host"
1637  * CPU model.
1638  *
1639  * An x86 CPU.
1640  */
1641 struct X86CPU {
1642     /*< private >*/
1643     CPUState parent_obj;
1644     /*< public >*/
1645 
1646     CPUNegativeOffsetState neg;
1647     CPUX86State env;
1648     VMChangeStateEntry *vmsentry;
1649 
1650     uint64_t ucode_rev;
1651 
1652     uint32_t hyperv_spinlock_attempts;
1653     char *hyperv_vendor_id;
1654     bool hyperv_synic_kvm_only;
1655     uint64_t hyperv_features;
1656     bool hyperv_passthrough;
1657     OnOffAuto hyperv_no_nonarch_cs;
1658 
1659     bool check_cpuid;
1660     bool enforce_cpuid;
1661     /*
1662      * Force features to be enabled even if the host doesn't support them.
1663      * This is dangerous and should be done only for testing CPUID
1664      * compatibility.
1665      */
1666     bool force_features;
1667     bool expose_kvm;
1668     bool expose_tcg;
1669     bool migratable;
1670     bool migrate_smi_count;
1671     bool max_features; /* Enable all supported features automatically */
1672     uint32_t apic_id;
1673 
1674     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1675      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1676     bool vmware_cpuid_freq;
1677 
1678     /* if true the CPUID code directly forward host cache leaves to the guest */
1679     bool cache_info_passthrough;
1680 
1681     /* if true the CPUID code directly forwards
1682      * host monitor/mwait leaves to the guest */
1683     struct {
1684         uint32_t eax;
1685         uint32_t ebx;
1686         uint32_t ecx;
1687         uint32_t edx;
1688     } mwait;
1689 
1690     /* Features that were filtered out because of missing host capabilities */
1691     FeatureWordArray filtered_features;
1692 
1693     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1694      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1695      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1696      * capabilities) directly to the guest.
1697      */
1698     bool enable_pmu;
1699 
1700     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1701      * disabled by default to avoid breaking migration between QEMU with
1702      * different LMCE configurations.
1703      */
1704     bool enable_lmce;
1705 
1706     /* Compatibility bits for old machine types.
1707      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1708      * socket share an virtual l3 cache.
1709      */
1710     bool enable_l3_cache;
1711 
1712     /* Compatibility bits for old machine types.
1713      * If true present the old cache topology information
1714      */
1715     bool legacy_cache;
1716 
1717     /* Compatibility bits for old machine types: */
1718     bool enable_cpuid_0xb;
1719 
1720     /* Enable auto level-increase for all CPUID leaves */
1721     bool full_cpuid_auto_level;
1722 
1723     /* Enable auto level-increase for Intel Processor Trace leave */
1724     bool intel_pt_auto_level;
1725 
1726     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1727     bool fill_mtrr_mask;
1728 
1729     /* if true override the phys_bits value with a value read from the host */
1730     bool host_phys_bits;
1731 
1732     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1733     uint8_t host_phys_bits_limit;
1734 
1735     /* Stop SMI delivery for migration compatibility with old machines */
1736     bool kvm_no_smi_migration;
1737 
1738     /* Number of physical address bits supported */
1739     uint32_t phys_bits;
1740 
1741     /* in order to simplify APIC support, we leave this pointer to the
1742        user */
1743     struct DeviceState *apic_state;
1744     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1745     Notifier machine_done;
1746 
1747     struct kvm_msrs *kvm_msr_buf;
1748 
1749     int32_t node_id; /* NUMA node this CPU belongs to */
1750     int32_t socket_id;
1751     int32_t die_id;
1752     int32_t core_id;
1753     int32_t thread_id;
1754 
1755     int32_t hv_max_vps;
1756 };
1757 
1758 
1759 #ifndef CONFIG_USER_ONLY
1760 extern VMStateDescription vmstate_x86_cpu;
1761 #endif
1762 
1763 /**
1764  * x86_cpu_do_interrupt:
1765  * @cpu: vCPU the interrupt is to be handled by.
1766  */
1767 void x86_cpu_do_interrupt(CPUState *cpu);
1768 bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
1769 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1770 
1771 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1772                              int cpuid, void *opaque);
1773 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1774                              int cpuid, void *opaque);
1775 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1776                                  void *opaque);
1777 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1778                                  void *opaque);
1779 
1780 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1781                                 Error **errp);
1782 
1783 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1784 
1785 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1786                                          MemTxAttrs *attrs);
1787 
1788 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1789 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1790 
1791 void x86_cpu_exec_enter(CPUState *cpu);
1792 void x86_cpu_exec_exit(CPUState *cpu);
1793 
1794 void x86_cpu_list(void);
1795 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1796 
1797 int cpu_get_pic_interrupt(CPUX86State *s);
1798 /* MSDOS compatibility mode FPU exception support */
1799 void x86_register_ferr_irq(qemu_irq irq);
1800 void cpu_set_ignne(void);
1801 /* mpx_helper.c */
1802 void cpu_sync_bndcs_hflags(CPUX86State *env);
1803 
1804 /* this function must always be used to load data in the segment
1805    cache: it synchronizes the hflags with the segment cache values */
1806 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1807                                           int seg_reg, unsigned int selector,
1808                                           target_ulong base,
1809                                           unsigned int limit,
1810                                           unsigned int flags)
1811 {
1812     SegmentCache *sc;
1813     unsigned int new_hflags;
1814 
1815     sc = &env->segs[seg_reg];
1816     sc->selector = selector;
1817     sc->base = base;
1818     sc->limit = limit;
1819     sc->flags = flags;
1820 
1821     /* update the hidden flags */
1822     {
1823         if (seg_reg == R_CS) {
1824 #ifdef TARGET_X86_64
1825             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1826                 /* long mode */
1827                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1828                 env->hflags &= ~(HF_ADDSEG_MASK);
1829             } else
1830 #endif
1831             {
1832                 /* legacy / compatibility case */
1833                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1834                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1835                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1836                     new_hflags;
1837             }
1838         }
1839         if (seg_reg == R_SS) {
1840             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1841 #if HF_CPL_MASK != 3
1842 #error HF_CPL_MASK is hardcoded
1843 #endif
1844             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1845             /* Possibly switch between BNDCFGS and BNDCFGU */
1846             cpu_sync_bndcs_hflags(env);
1847         }
1848         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1849             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1850         if (env->hflags & HF_CS64_MASK) {
1851             /* zero base assumed for DS, ES and SS in long mode */
1852         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1853                    (env->eflags & VM_MASK) ||
1854                    !(env->hflags & HF_CS32_MASK)) {
1855             /* XXX: try to avoid this test. The problem comes from the
1856                fact that is real mode or vm86 mode we only modify the
1857                'base' and 'selector' fields of the segment cache to go
1858                faster. A solution may be to force addseg to one in
1859                translate-i386.c. */
1860             new_hflags |= HF_ADDSEG_MASK;
1861         } else {
1862             new_hflags |= ((env->segs[R_DS].base |
1863                             env->segs[R_ES].base |
1864                             env->segs[R_SS].base) != 0) <<
1865                 HF_ADDSEG_SHIFT;
1866         }
1867         env->hflags = (env->hflags &
1868                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1869     }
1870 }
1871 
1872 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1873                                                uint8_t sipi_vector)
1874 {
1875     CPUState *cs = CPU(cpu);
1876     CPUX86State *env = &cpu->env;
1877 
1878     env->eip = 0;
1879     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1880                            sipi_vector << 12,
1881                            env->segs[R_CS].limit,
1882                            env->segs[R_CS].flags);
1883     cs->halted = 0;
1884 }
1885 
1886 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1887                             target_ulong *base, unsigned int *limit,
1888                             unsigned int *flags);
1889 
1890 /* op_helper.c */
1891 /* used for debug or cpu save/restore */
1892 
1893 /* cpu-exec.c */
1894 /* the following helpers are only usable in user mode simulation as
1895    they can trigger unexpected exceptions */
1896 void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
1897 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1898 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1899 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1900 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1901 
1902 /* you can call this signal handler from your SIGBUS and SIGSEGV
1903    signal handlers to inform the virtual CPU of exceptions. non zero
1904    is returned if the signal was handled by the virtual CPU.  */
1905 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1906                            void *puc);
1907 
1908 /* cpu.c */
1909 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1910                    uint32_t *eax, uint32_t *ebx,
1911                    uint32_t *ecx, uint32_t *edx);
1912 void cpu_clear_apic_feature(CPUX86State *env);
1913 void host_cpuid(uint32_t function, uint32_t count,
1914                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1915 void host_vendor_fms(char *vendor, int *family, int *model, int *stepping);
1916 bool cpu_x86_use_epyc_apic_id_encoding(const char *cpu_type);
1917 
1918 /* helper.c */
1919 bool x86_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
1920                       MMUAccessType access_type, int mmu_idx,
1921                       bool probe, uintptr_t retaddr);
1922 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1923 
1924 #ifndef CONFIG_USER_ONLY
1925 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1926 {
1927     return !!attrs.secure;
1928 }
1929 
1930 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1931 {
1932     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1933 }
1934 
1935 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1936 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1937 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1938 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1939 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1940 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1941 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1942 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1943 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1944 #endif
1945 
1946 void breakpoint_handler(CPUState *cs);
1947 
1948 /* will be suppressed */
1949 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1950 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1951 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1952 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
1953 
1954 /* hw/pc.c */
1955 uint64_t cpu_get_tsc(CPUX86State *env);
1956 
1957 /* XXX: This value should match the one returned by CPUID
1958  * and in exec.c */
1959 # if defined(TARGET_X86_64)
1960 # define TCG_PHYS_ADDR_BITS 40
1961 # else
1962 # define TCG_PHYS_ADDR_BITS 36
1963 # endif
1964 
1965 #define PHYS_ADDR_MASK MAKE_64BIT_MASK(0, TCG_PHYS_ADDR_BITS)
1966 
1967 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
1968 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
1969 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
1970 
1971 #ifdef TARGET_X86_64
1972 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
1973 #else
1974 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
1975 #endif
1976 
1977 #define cpu_signal_handler cpu_x86_signal_handler
1978 #define cpu_list x86_cpu_list
1979 
1980 /* MMU modes definitions */
1981 #define MMU_KSMAP_IDX   0
1982 #define MMU_USER_IDX    1
1983 #define MMU_KNOSMAP_IDX 2
1984 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
1985 {
1986     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1987         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
1988         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1989 }
1990 
1991 static inline int cpu_mmu_index_kernel(CPUX86State *env)
1992 {
1993     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
1994         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
1995         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1996 }
1997 
1998 #define CC_DST  (env->cc_dst)
1999 #define CC_SRC  (env->cc_src)
2000 #define CC_SRC2 (env->cc_src2)
2001 #define CC_OP   (env->cc_op)
2002 
2003 /* n must be a constant to be efficient */
2004 static inline target_long lshift(target_long x, int n)
2005 {
2006     if (n >= 0) {
2007         return x << n;
2008     } else {
2009         return x >> (-n);
2010     }
2011 }
2012 
2013 /* float macros */
2014 #define FT0    (env->ft0)
2015 #define ST0    (env->fpregs[env->fpstt].d)
2016 #define ST(n)  (env->fpregs[(env->fpstt + (n)) & 7].d)
2017 #define ST1    ST(1)
2018 
2019 /* translate.c */
2020 void tcg_x86_init(void);
2021 
2022 typedef CPUX86State CPUArchState;
2023 typedef X86CPU ArchCPU;
2024 
2025 #include "exec/cpu-all.h"
2026 #include "svm.h"
2027 
2028 #if !defined(CONFIG_USER_ONLY)
2029 #include "hw/i386/apic.h"
2030 #endif
2031 
2032 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2033                                         target_ulong *cs_base, uint32_t *flags)
2034 {
2035     *cs_base = env->segs[R_CS].base;
2036     *pc = *cs_base + env->eip;
2037     *flags = env->hflags |
2038         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2039 }
2040 
2041 void do_cpu_init(X86CPU *cpu);
2042 void do_cpu_sipi(X86CPU *cpu);
2043 
2044 #define MCE_INJECT_BROADCAST    1
2045 #define MCE_INJECT_UNCOND_AO    2
2046 
2047 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2048                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2049                         uint64_t misc, int flags);
2050 
2051 /* excp_helper.c */
2052 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
2053 void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_index,
2054                                       uintptr_t retaddr);
2055 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
2056                                        int error_code);
2057 void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_index,
2058                                           int error_code, uintptr_t retaddr);
2059 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
2060                                    int error_code, int next_eip_addend);
2061 
2062 /* cc_helper.c */
2063 extern const uint8_t parity_table[256];
2064 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2065 
2066 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2067 {
2068     uint32_t eflags = env->eflags;
2069     if (tcg_enabled()) {
2070         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2071     }
2072     return eflags;
2073 }
2074 
2075 /* NOTE: the translator must set DisasContext.cc_op to CC_OP_EFLAGS
2076  * after generating a call to a helper that uses this.
2077  */
2078 static inline void cpu_load_eflags(CPUX86State *env, int eflags,
2079                                    int update_mask)
2080 {
2081     CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
2082     CC_OP = CC_OP_EFLAGS;
2083     env->df = 1 - (2 * ((eflags >> 10) & 1));
2084     env->eflags = (env->eflags & ~update_mask) |
2085         (eflags & update_mask) | 0x2;
2086 }
2087 
2088 /* load efer and update the corresponding hflags. XXX: do consistency
2089    checks with cpuid bits? */
2090 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
2091 {
2092     env->efer = val;
2093     env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
2094     if (env->efer & MSR_EFER_LMA) {
2095         env->hflags |= HF_LMA_MASK;
2096     }
2097     if (env->efer & MSR_EFER_SVME) {
2098         env->hflags |= HF_SVME_MASK;
2099     }
2100 }
2101 
2102 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2103 {
2104     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2105 }
2106 
2107 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2108 {
2109     if (env->hflags & HF_SMM_MASK) {
2110         return -1;
2111     } else {
2112         return env->a20_mask;
2113     }
2114 }
2115 
2116 static inline bool cpu_has_vmx(CPUX86State *env)
2117 {
2118     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2119 }
2120 
2121 /*
2122  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2123  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2124  * VMX operation. This is because CR4.VMXE is one of the bits set
2125  * in MSR_IA32_VMX_CR4_FIXED1.
2126  *
2127  * There is one exception to above statement when vCPU enters SMM mode.
2128  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2129  * may also reset CR4.VMXE during execution in SMM mode.
2130  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2131  * and CR4.VMXE is restored to it's original value of being set.
2132  *
2133  * Therefore, when vCPU is not in SMM mode, we can infer whether
2134  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2135  * know for certain.
2136  */
2137 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2138 {
2139     return cpu_has_vmx(env) &&
2140            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2141 }
2142 
2143 /* fpu_helper.c */
2144 void update_fp_status(CPUX86State *env);
2145 void update_mxcsr_status(CPUX86State *env);
2146 
2147 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2148 {
2149     env->mxcsr = mxcsr;
2150     if (tcg_enabled()) {
2151         update_mxcsr_status(env);
2152     }
2153 }
2154 
2155 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2156 {
2157      env->fpuc = fpuc;
2158      if (tcg_enabled()) {
2159         update_fp_status(env);
2160      }
2161 }
2162 
2163 /* mem_helper.c */
2164 void helper_lock_init(void);
2165 
2166 /* svm_helper.c */
2167 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2168                                    uint64_t param, uintptr_t retaddr);
2169 void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code,
2170                               uint64_t exit_info_1, uintptr_t retaddr);
2171 void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1);
2172 
2173 /* seg_helper.c */
2174 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
2175 
2176 /* smm_helper.c */
2177 void do_smm_enter(X86CPU *cpu);
2178 
2179 /* apic.c */
2180 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2181 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2182                                    TPRAccess access);
2183 
2184 
2185 /* Change the value of a KVM-specific default
2186  *
2187  * If value is NULL, no default will be set and the original
2188  * value from the CPU model table will be kept.
2189  *
2190  * It is valid to call this function only for properties that
2191  * are already present in the kvm_default_props table.
2192  */
2193 void x86_cpu_change_kvm_default(const char *prop, const char *value);
2194 
2195 /* Special values for X86CPUVersion: */
2196 
2197 /* Resolve to latest CPU version */
2198 #define CPU_VERSION_LATEST -1
2199 
2200 /*
2201  * Resolve to version defined by current machine type.
2202  * See x86_cpu_set_default_version()
2203  */
2204 #define CPU_VERSION_AUTO   -2
2205 
2206 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2207 #define CPU_VERSION_LEGACY  0
2208 
2209 typedef int X86CPUVersion;
2210 
2211 /*
2212  * Set default CPU model version for CPU models having
2213  * version == CPU_VERSION_AUTO.
2214  */
2215 void x86_cpu_set_default_version(X86CPUVersion version);
2216 
2217 /* Return name of 32-bit register, from a R_* constant */
2218 const char *get_register_name_32(unsigned int reg);
2219 
2220 void enable_compat_apic_id_mode(void);
2221 
2222 #define APIC_DEFAULT_ADDRESS 0xfee00000
2223 #define APIC_SPACE_SIZE      0x100000
2224 
2225 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2226 
2227 /* cpu.c */
2228 bool cpu_is_bsp(X86CPU *cpu);
2229 
2230 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf);
2231 void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf);
2232 void x86_update_hflags(CPUX86State* env);
2233 
2234 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2235 {
2236     return !!(cpu->hyperv_features & BIT(feat));
2237 }
2238 
2239 #if defined(TARGET_X86_64) && \
2240     defined(CONFIG_USER_ONLY) && \
2241     defined(CONFIG_LINUX)
2242 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2243 #endif
2244 
2245 #endif /* I386_CPU_H */
2246