xref: /openbmc/qemu/target/i386/cpu.h (revision 38472890)
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 /* Maximum instruction code size */
33 #define TARGET_MAX_INSN_SIZE 16
34 
35 /* support for self modifying code even if the modified instruction is
36    close to the modifying instruction */
37 #define TARGET_HAS_PRECISE_SMC
38 
39 #ifdef TARGET_X86_64
40 #define I386_ELF_MACHINE  EM_X86_64
41 #define ELF_MACHINE_UNAME "x86_64"
42 #else
43 #define I386_ELF_MACHINE  EM_386
44 #define ELF_MACHINE_UNAME "i686"
45 #endif
46 
47 enum {
48     R_EAX = 0,
49     R_ECX = 1,
50     R_EDX = 2,
51     R_EBX = 3,
52     R_ESP = 4,
53     R_EBP = 5,
54     R_ESI = 6,
55     R_EDI = 7,
56     R_R8 = 8,
57     R_R9 = 9,
58     R_R10 = 10,
59     R_R11 = 11,
60     R_R12 = 12,
61     R_R13 = 13,
62     R_R14 = 14,
63     R_R15 = 15,
64 
65     R_AL = 0,
66     R_CL = 1,
67     R_DL = 2,
68     R_BL = 3,
69     R_AH = 4,
70     R_CH = 5,
71     R_DH = 6,
72     R_BH = 7,
73 };
74 
75 typedef enum X86Seg {
76     R_ES = 0,
77     R_CS = 1,
78     R_SS = 2,
79     R_DS = 3,
80     R_FS = 4,
81     R_GS = 5,
82     R_LDTR = 6,
83     R_TR = 7,
84 } X86Seg;
85 
86 /* segment descriptor fields */
87 #define DESC_G_SHIFT    23
88 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
89 #define DESC_B_SHIFT    22
90 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
91 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
92 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
93 #define DESC_AVL_SHIFT  20
94 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
95 #define DESC_P_SHIFT    15
96 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
97 #define DESC_DPL_SHIFT  13
98 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
99 #define DESC_S_SHIFT    12
100 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
101 #define DESC_TYPE_SHIFT 8
102 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
103 #define DESC_A_MASK     (1 << 8)
104 
105 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
106 #define DESC_C_MASK     (1 << 10) /* code: conforming */
107 #define DESC_R_MASK     (1 << 9)  /* code: readable */
108 
109 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
110 #define DESC_W_MASK     (1 << 9)  /* data: writable */
111 
112 #define DESC_TSS_BUSY_MASK (1 << 9)
113 
114 /* eflags masks */
115 #define CC_C    0x0001
116 #define CC_P    0x0004
117 #define CC_A    0x0010
118 #define CC_Z    0x0040
119 #define CC_S    0x0080
120 #define CC_O    0x0800
121 
122 #define TF_SHIFT   8
123 #define IOPL_SHIFT 12
124 #define VM_SHIFT   17
125 
126 #define TF_MASK                 0x00000100
127 #define IF_MASK                 0x00000200
128 #define DF_MASK                 0x00000400
129 #define IOPL_MASK               0x00003000
130 #define NT_MASK                 0x00004000
131 #define RF_MASK                 0x00010000
132 #define VM_MASK                 0x00020000
133 #define AC_MASK                 0x00040000
134 #define VIF_MASK                0x00080000
135 #define VIP_MASK                0x00100000
136 #define ID_MASK                 0x00200000
137 
138 /* hidden flags - used internally by qemu to represent additional cpu
139    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
140    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
141    positions to ease oring with eflags. */
142 /* current cpl */
143 #define HF_CPL_SHIFT         0
144 /* true if hardware interrupts must be disabled for next instruction */
145 #define HF_INHIBIT_IRQ_SHIFT 3
146 /* 16 or 32 segments */
147 #define HF_CS32_SHIFT        4
148 #define HF_SS32_SHIFT        5
149 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
150 #define HF_ADDSEG_SHIFT      6
151 /* copy of CR0.PE (protected mode) */
152 #define HF_PE_SHIFT          7
153 #define HF_TF_SHIFT          8 /* must be same as eflags */
154 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
155 #define HF_EM_SHIFT         10
156 #define HF_TS_SHIFT         11
157 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
158 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
159 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
160 #define HF_RF_SHIFT         16 /* must be same as eflags */
161 #define HF_VM_SHIFT         17 /* must be same as eflags */
162 #define HF_AC_SHIFT         18 /* must be same as eflags */
163 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
164 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
165 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
166 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
167 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
168 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
169 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
170 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
171 
172 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
173 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
174 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
175 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
176 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
177 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
178 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
179 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
180 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
181 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
182 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
183 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
184 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
185 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
186 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
187 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
188 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
189 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
190 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
191 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
192 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
193 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
194 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
195 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
196 
197 /* hflags2 */
198 
199 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
200 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
201 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
202 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
203 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
204 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
205 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
206 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
207 
208 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
209 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
210 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
211 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
212 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
213 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
214 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
215 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
216 
217 #define CR0_PE_SHIFT 0
218 #define CR0_MP_SHIFT 1
219 
220 #define CR0_PE_MASK  (1U << 0)
221 #define CR0_MP_MASK  (1U << 1)
222 #define CR0_EM_MASK  (1U << 2)
223 #define CR0_TS_MASK  (1U << 3)
224 #define CR0_ET_MASK  (1U << 4)
225 #define CR0_NE_MASK  (1U << 5)
226 #define CR0_WP_MASK  (1U << 16)
227 #define CR0_AM_MASK  (1U << 18)
228 #define CR0_PG_MASK  (1U << 31)
229 
230 #define CR4_VME_MASK  (1U << 0)
231 #define CR4_PVI_MASK  (1U << 1)
232 #define CR4_TSD_MASK  (1U << 2)
233 #define CR4_DE_MASK   (1U << 3)
234 #define CR4_PSE_MASK  (1U << 4)
235 #define CR4_PAE_MASK  (1U << 5)
236 #define CR4_MCE_MASK  (1U << 6)
237 #define CR4_PGE_MASK  (1U << 7)
238 #define CR4_PCE_MASK  (1U << 8)
239 #define CR4_OSFXSR_SHIFT 9
240 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
241 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
242 #define CR4_LA57_MASK   (1U << 12)
243 #define CR4_VMXE_MASK   (1U << 13)
244 #define CR4_SMXE_MASK   (1U << 14)
245 #define CR4_FSGSBASE_MASK (1U << 16)
246 #define CR4_PCIDE_MASK  (1U << 17)
247 #define CR4_OSXSAVE_MASK (1U << 18)
248 #define CR4_SMEP_MASK   (1U << 20)
249 #define CR4_SMAP_MASK   (1U << 21)
250 #define CR4_PKE_MASK   (1U << 22)
251 
252 #define DR6_BD          (1 << 13)
253 #define DR6_BS          (1 << 14)
254 #define DR6_BT          (1 << 15)
255 #define DR6_FIXED_1     0xffff0ff0
256 
257 #define DR7_GD          (1 << 13)
258 #define DR7_TYPE_SHIFT  16
259 #define DR7_LEN_SHIFT   18
260 #define DR7_FIXED_1     0x00000400
261 #define DR7_GLOBAL_BP_MASK   0xaa
262 #define DR7_LOCAL_BP_MASK    0x55
263 #define DR7_MAX_BP           4
264 #define DR7_TYPE_BP_INST     0x0
265 #define DR7_TYPE_DATA_WR     0x1
266 #define DR7_TYPE_IO_RW       0x2
267 #define DR7_TYPE_DATA_RW     0x3
268 
269 #define PG_PRESENT_BIT  0
270 #define PG_RW_BIT       1
271 #define PG_USER_BIT     2
272 #define PG_PWT_BIT      3
273 #define PG_PCD_BIT      4
274 #define PG_ACCESSED_BIT 5
275 #define PG_DIRTY_BIT    6
276 #define PG_PSE_BIT      7
277 #define PG_GLOBAL_BIT   8
278 #define PG_PSE_PAT_BIT  12
279 #define PG_PKRU_BIT     59
280 #define PG_NX_BIT       63
281 
282 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
283 #define PG_RW_MASK       (1 << PG_RW_BIT)
284 #define PG_USER_MASK     (1 << PG_USER_BIT)
285 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
286 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
287 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
288 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
289 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
290 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
291 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
292 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
293 #define PG_HI_RSVD_MASK  (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK)
294 #define PG_HI_USER_MASK  0x7ff0000000000000LL
295 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
296 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
297 
298 #define PG_ERROR_W_BIT     1
299 
300 #define PG_ERROR_P_MASK    0x01
301 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
302 #define PG_ERROR_U_MASK    0x04
303 #define PG_ERROR_RSVD_MASK 0x08
304 #define PG_ERROR_I_D_MASK  0x10
305 #define PG_ERROR_PK_MASK   0x20
306 
307 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
308 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
309 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
310 
311 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
312 #define MCE_BANKS_DEF   10
313 
314 #define MCG_CAP_BANKS_MASK 0xff
315 
316 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
317 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
318 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
319 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
320 
321 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
322 
323 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
324 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
325 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
326 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
327 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
328 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
329 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
330 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
331 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
332 
333 /* MISC register defines */
334 #define MCM_ADDR_SEGOFF  0      /* segment offset */
335 #define MCM_ADDR_LINEAR  1      /* linear address */
336 #define MCM_ADDR_PHYS    2      /* physical address */
337 #define MCM_ADDR_MEM     3      /* memory address */
338 #define MCM_ADDR_GENERIC 7      /* generic */
339 
340 #define MSR_IA32_TSC                    0x10
341 #define MSR_IA32_APICBASE               0x1b
342 #define MSR_IA32_APICBASE_BSP           (1<<8)
343 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
344 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
345 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
346 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
347 #define MSR_TSC_ADJUST                  0x0000003b
348 #define MSR_IA32_SPEC_CTRL              0x48
349 #define MSR_VIRT_SSBD                   0xc001011f
350 #define MSR_IA32_PRED_CMD               0x49
351 #define MSR_IA32_UCODE_REV              0x8b
352 #define MSR_IA32_CORE_CAPABILITY        0xcf
353 
354 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
355 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
356 
357 #define MSR_IA32_TSX_CTRL		0x122
358 #define MSR_IA32_TSCDEADLINE            0x6e0
359 
360 #define FEATURE_CONTROL_LOCKED                    (1<<0)
361 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
362 #define FEATURE_CONTROL_LMCE                      (1<<20)
363 
364 #define MSR_P6_PERFCTR0                 0xc1
365 
366 #define MSR_IA32_SMBASE                 0x9e
367 #define MSR_SMI_COUNT                   0x34
368 #define MSR_MTRRcap                     0xfe
369 #define MSR_MTRRcap_VCNT                8
370 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
371 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
372 
373 #define MSR_IA32_SYSENTER_CS            0x174
374 #define MSR_IA32_SYSENTER_ESP           0x175
375 #define MSR_IA32_SYSENTER_EIP           0x176
376 
377 #define MSR_MCG_CAP                     0x179
378 #define MSR_MCG_STATUS                  0x17a
379 #define MSR_MCG_CTL                     0x17b
380 #define MSR_MCG_EXT_CTL                 0x4d0
381 
382 #define MSR_P6_EVNTSEL0                 0x186
383 
384 #define MSR_IA32_PERF_STATUS            0x198
385 
386 #define MSR_IA32_MISC_ENABLE            0x1a0
387 /* Indicates good rep/movs microcode on some processors: */
388 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
389 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
390 
391 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
392 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
393 
394 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
395 
396 #define MSR_MTRRfix64K_00000            0x250
397 #define MSR_MTRRfix16K_80000            0x258
398 #define MSR_MTRRfix16K_A0000            0x259
399 #define MSR_MTRRfix4K_C0000             0x268
400 #define MSR_MTRRfix4K_C8000             0x269
401 #define MSR_MTRRfix4K_D0000             0x26a
402 #define MSR_MTRRfix4K_D8000             0x26b
403 #define MSR_MTRRfix4K_E0000             0x26c
404 #define MSR_MTRRfix4K_E8000             0x26d
405 #define MSR_MTRRfix4K_F0000             0x26e
406 #define MSR_MTRRfix4K_F8000             0x26f
407 
408 #define MSR_PAT                         0x277
409 
410 #define MSR_MTRRdefType                 0x2ff
411 
412 #define MSR_CORE_PERF_FIXED_CTR0        0x309
413 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
414 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
415 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
416 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
417 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
418 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
419 
420 #define MSR_MC0_CTL                     0x400
421 #define MSR_MC0_STATUS                  0x401
422 #define MSR_MC0_ADDR                    0x402
423 #define MSR_MC0_MISC                    0x403
424 
425 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
426 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
427 #define MSR_IA32_RTIT_CTL               0x570
428 #define MSR_IA32_RTIT_STATUS            0x571
429 #define MSR_IA32_RTIT_CR3_MATCH         0x572
430 #define MSR_IA32_RTIT_ADDR0_A           0x580
431 #define MSR_IA32_RTIT_ADDR0_B           0x581
432 #define MSR_IA32_RTIT_ADDR1_A           0x582
433 #define MSR_IA32_RTIT_ADDR1_B           0x583
434 #define MSR_IA32_RTIT_ADDR2_A           0x584
435 #define MSR_IA32_RTIT_ADDR2_B           0x585
436 #define MSR_IA32_RTIT_ADDR3_A           0x586
437 #define MSR_IA32_RTIT_ADDR3_B           0x587
438 #define MAX_RTIT_ADDRS                  8
439 
440 #define MSR_EFER                        0xc0000080
441 
442 #define MSR_EFER_SCE   (1 << 0)
443 #define MSR_EFER_LME   (1 << 8)
444 #define MSR_EFER_LMA   (1 << 10)
445 #define MSR_EFER_NXE   (1 << 11)
446 #define MSR_EFER_SVME  (1 << 12)
447 #define MSR_EFER_FFXSR (1 << 14)
448 
449 #define MSR_STAR                        0xc0000081
450 #define MSR_LSTAR                       0xc0000082
451 #define MSR_CSTAR                       0xc0000083
452 #define MSR_FMASK                       0xc0000084
453 #define MSR_FSBASE                      0xc0000100
454 #define MSR_GSBASE                      0xc0000101
455 #define MSR_KERNELGSBASE                0xc0000102
456 #define MSR_TSC_AUX                     0xc0000103
457 
458 #define MSR_VM_HSAVE_PA                 0xc0010117
459 
460 #define MSR_IA32_BNDCFGS                0x00000d90
461 #define MSR_IA32_XSS                    0x00000da0
462 #define MSR_IA32_UMWAIT_CONTROL         0xe1
463 
464 #define MSR_IA32_VMX_BASIC              0x00000480
465 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
466 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
467 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
468 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
469 #define MSR_IA32_VMX_MISC               0x00000485
470 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
471 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
472 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
473 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
474 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
475 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
476 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
477 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
478 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
479 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
480 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
481 #define MSR_IA32_VMX_VMFUNC             0x00000491
482 
483 #define XSTATE_FP_BIT                   0
484 #define XSTATE_SSE_BIT                  1
485 #define XSTATE_YMM_BIT                  2
486 #define XSTATE_BNDREGS_BIT              3
487 #define XSTATE_BNDCSR_BIT               4
488 #define XSTATE_OPMASK_BIT               5
489 #define XSTATE_ZMM_Hi256_BIT            6
490 #define XSTATE_Hi16_ZMM_BIT             7
491 #define XSTATE_PKRU_BIT                 9
492 
493 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
494 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
495 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
496 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
497 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
498 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
499 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
500 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
501 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
502 
503 /* CPUID feature words */
504 typedef enum FeatureWord {
505     FEAT_1_EDX,         /* CPUID[1].EDX */
506     FEAT_1_ECX,         /* CPUID[1].ECX */
507     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
508     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
509     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
510     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
511     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
512     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
513     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
514     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
515     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
516     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
517     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
518     FEAT_HYPERV_EAX,    /* CPUID[4000_0003].EAX */
519     FEAT_HYPERV_EBX,    /* CPUID[4000_0003].EBX */
520     FEAT_HYPERV_EDX,    /* CPUID[4000_0003].EDX */
521     FEAT_HV_RECOMM_EAX, /* CPUID[4000_0004].EAX */
522     FEAT_HV_NESTED_EAX, /* CPUID[4000_000A].EAX */
523     FEAT_SVM,           /* CPUID[8000_000A].EDX */
524     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
525     FEAT_6_EAX,         /* CPUID[6].EAX */
526     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
527     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
528     FEAT_ARCH_CAPABILITIES,
529     FEAT_CORE_CAPABILITY,
530     FEAT_VMX_PROCBASED_CTLS,
531     FEAT_VMX_SECONDARY_CTLS,
532     FEAT_VMX_PINBASED_CTLS,
533     FEAT_VMX_EXIT_CTLS,
534     FEAT_VMX_ENTRY_CTLS,
535     FEAT_VMX_MISC,
536     FEAT_VMX_EPT_VPID_CAPS,
537     FEAT_VMX_BASIC,
538     FEAT_VMX_VMFUNC,
539     FEATURE_WORDS,
540 } FeatureWord;
541 
542 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
543 
544 /* cpuid_features bits */
545 #define CPUID_FP87 (1U << 0)
546 #define CPUID_VME  (1U << 1)
547 #define CPUID_DE   (1U << 2)
548 #define CPUID_PSE  (1U << 3)
549 #define CPUID_TSC  (1U << 4)
550 #define CPUID_MSR  (1U << 5)
551 #define CPUID_PAE  (1U << 6)
552 #define CPUID_MCE  (1U << 7)
553 #define CPUID_CX8  (1U << 8)
554 #define CPUID_APIC (1U << 9)
555 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
556 #define CPUID_MTRR (1U << 12)
557 #define CPUID_PGE  (1U << 13)
558 #define CPUID_MCA  (1U << 14)
559 #define CPUID_CMOV (1U << 15)
560 #define CPUID_PAT  (1U << 16)
561 #define CPUID_PSE36   (1U << 17)
562 #define CPUID_PN   (1U << 18)
563 #define CPUID_CLFLUSH (1U << 19)
564 #define CPUID_DTS (1U << 21)
565 #define CPUID_ACPI (1U << 22)
566 #define CPUID_MMX  (1U << 23)
567 #define CPUID_FXSR (1U << 24)
568 #define CPUID_SSE  (1U << 25)
569 #define CPUID_SSE2 (1U << 26)
570 #define CPUID_SS (1U << 27)
571 #define CPUID_HT (1U << 28)
572 #define CPUID_TM (1U << 29)
573 #define CPUID_IA64 (1U << 30)
574 #define CPUID_PBE (1U << 31)
575 
576 #define CPUID_EXT_SSE3     (1U << 0)
577 #define CPUID_EXT_PCLMULQDQ (1U << 1)
578 #define CPUID_EXT_DTES64   (1U << 2)
579 #define CPUID_EXT_MONITOR  (1U << 3)
580 #define CPUID_EXT_DSCPL    (1U << 4)
581 #define CPUID_EXT_VMX      (1U << 5)
582 #define CPUID_EXT_SMX      (1U << 6)
583 #define CPUID_EXT_EST      (1U << 7)
584 #define CPUID_EXT_TM2      (1U << 8)
585 #define CPUID_EXT_SSSE3    (1U << 9)
586 #define CPUID_EXT_CID      (1U << 10)
587 #define CPUID_EXT_FMA      (1U << 12)
588 #define CPUID_EXT_CX16     (1U << 13)
589 #define CPUID_EXT_XTPR     (1U << 14)
590 #define CPUID_EXT_PDCM     (1U << 15)
591 #define CPUID_EXT_PCID     (1U << 17)
592 #define CPUID_EXT_DCA      (1U << 18)
593 #define CPUID_EXT_SSE41    (1U << 19)
594 #define CPUID_EXT_SSE42    (1U << 20)
595 #define CPUID_EXT_X2APIC   (1U << 21)
596 #define CPUID_EXT_MOVBE    (1U << 22)
597 #define CPUID_EXT_POPCNT   (1U << 23)
598 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
599 #define CPUID_EXT_AES      (1U << 25)
600 #define CPUID_EXT_XSAVE    (1U << 26)
601 #define CPUID_EXT_OSXSAVE  (1U << 27)
602 #define CPUID_EXT_AVX      (1U << 28)
603 #define CPUID_EXT_F16C     (1U << 29)
604 #define CPUID_EXT_RDRAND   (1U << 30)
605 #define CPUID_EXT_HYPERVISOR  (1U << 31)
606 
607 #define CPUID_EXT2_FPU     (1U << 0)
608 #define CPUID_EXT2_VME     (1U << 1)
609 #define CPUID_EXT2_DE      (1U << 2)
610 #define CPUID_EXT2_PSE     (1U << 3)
611 #define CPUID_EXT2_TSC     (1U << 4)
612 #define CPUID_EXT2_MSR     (1U << 5)
613 #define CPUID_EXT2_PAE     (1U << 6)
614 #define CPUID_EXT2_MCE     (1U << 7)
615 #define CPUID_EXT2_CX8     (1U << 8)
616 #define CPUID_EXT2_APIC    (1U << 9)
617 #define CPUID_EXT2_SYSCALL (1U << 11)
618 #define CPUID_EXT2_MTRR    (1U << 12)
619 #define CPUID_EXT2_PGE     (1U << 13)
620 #define CPUID_EXT2_MCA     (1U << 14)
621 #define CPUID_EXT2_CMOV    (1U << 15)
622 #define CPUID_EXT2_PAT     (1U << 16)
623 #define CPUID_EXT2_PSE36   (1U << 17)
624 #define CPUID_EXT2_MP      (1U << 19)
625 #define CPUID_EXT2_NX      (1U << 20)
626 #define CPUID_EXT2_MMXEXT  (1U << 22)
627 #define CPUID_EXT2_MMX     (1U << 23)
628 #define CPUID_EXT2_FXSR    (1U << 24)
629 #define CPUID_EXT2_FFXSR   (1U << 25)
630 #define CPUID_EXT2_PDPE1GB (1U << 26)
631 #define CPUID_EXT2_RDTSCP  (1U << 27)
632 #define CPUID_EXT2_LM      (1U << 29)
633 #define CPUID_EXT2_3DNOWEXT (1U << 30)
634 #define CPUID_EXT2_3DNOW   (1U << 31)
635 
636 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
637 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
638                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
639                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
640                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
641                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
642                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
643                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
644                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
645                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
646 
647 #define CPUID_EXT3_LAHF_LM (1U << 0)
648 #define CPUID_EXT3_CMP_LEG (1U << 1)
649 #define CPUID_EXT3_SVM     (1U << 2)
650 #define CPUID_EXT3_EXTAPIC (1U << 3)
651 #define CPUID_EXT3_CR8LEG  (1U << 4)
652 #define CPUID_EXT3_ABM     (1U << 5)
653 #define CPUID_EXT3_SSE4A   (1U << 6)
654 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
655 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
656 #define CPUID_EXT3_OSVW    (1U << 9)
657 #define CPUID_EXT3_IBS     (1U << 10)
658 #define CPUID_EXT3_XOP     (1U << 11)
659 #define CPUID_EXT3_SKINIT  (1U << 12)
660 #define CPUID_EXT3_WDT     (1U << 13)
661 #define CPUID_EXT3_LWP     (1U << 15)
662 #define CPUID_EXT3_FMA4    (1U << 16)
663 #define CPUID_EXT3_TCE     (1U << 17)
664 #define CPUID_EXT3_NODEID  (1U << 19)
665 #define CPUID_EXT3_TBM     (1U << 21)
666 #define CPUID_EXT3_TOPOEXT (1U << 22)
667 #define CPUID_EXT3_PERFCORE (1U << 23)
668 #define CPUID_EXT3_PERFNB  (1U << 24)
669 
670 #define CPUID_SVM_NPT          (1U << 0)
671 #define CPUID_SVM_LBRV         (1U << 1)
672 #define CPUID_SVM_SVMLOCK      (1U << 2)
673 #define CPUID_SVM_NRIPSAVE     (1U << 3)
674 #define CPUID_SVM_TSCSCALE     (1U << 4)
675 #define CPUID_SVM_VMCBCLEAN    (1U << 5)
676 #define CPUID_SVM_FLUSHASID    (1U << 6)
677 #define CPUID_SVM_DECODEASSIST (1U << 7)
678 #define CPUID_SVM_PAUSEFILTER  (1U << 10)
679 #define CPUID_SVM_PFTHRESHOLD  (1U << 12)
680 
681 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
682 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
683 /* 1st Group of Advanced Bit Manipulation Extensions */
684 #define CPUID_7_0_EBX_BMI1              (1U << 3)
685 /* Hardware Lock Elision */
686 #define CPUID_7_0_EBX_HLE               (1U << 4)
687 /* Intel Advanced Vector Extensions 2 */
688 #define CPUID_7_0_EBX_AVX2              (1U << 5)
689 /* Supervisor-mode Execution Prevention */
690 #define CPUID_7_0_EBX_SMEP              (1U << 7)
691 /* 2nd Group of Advanced Bit Manipulation Extensions */
692 #define CPUID_7_0_EBX_BMI2              (1U << 8)
693 /* Enhanced REP MOVSB/STOSB */
694 #define CPUID_7_0_EBX_ERMS              (1U << 9)
695 /* Invalidate Process-Context Identifier */
696 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
697 /* Restricted Transactional Memory */
698 #define CPUID_7_0_EBX_RTM               (1U << 11)
699 /* Memory Protection Extension */
700 #define CPUID_7_0_EBX_MPX               (1U << 14)
701 /* AVX-512 Foundation */
702 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
703 /* AVX-512 Doubleword & Quadword Instruction */
704 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
705 /* Read Random SEED */
706 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
707 /* ADCX and ADOX instructions */
708 #define CPUID_7_0_EBX_ADX               (1U << 19)
709 /* Supervisor Mode Access Prevention */
710 #define CPUID_7_0_EBX_SMAP              (1U << 20)
711 /* AVX-512 Integer Fused Multiply Add */
712 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
713 /* Persistent Commit */
714 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
715 /* Flush a Cache Line Optimized */
716 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
717 /* Cache Line Write Back */
718 #define CPUID_7_0_EBX_CLWB              (1U << 24)
719 /* Intel Processor Trace */
720 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
721 /* AVX-512 Prefetch */
722 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
723 /* AVX-512 Exponential and Reciprocal */
724 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
725 /* AVX-512 Conflict Detection */
726 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
727 /* SHA1/SHA256 Instruction Extensions */
728 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
729 /* AVX-512 Byte and Word Instructions */
730 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
731 /* AVX-512 Vector Length Extensions */
732 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
733 
734 /* AVX-512 Vector Byte Manipulation Instruction */
735 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
736 /* User-Mode Instruction Prevention */
737 #define CPUID_7_0_ECX_UMIP              (1U << 2)
738 /* Protection Keys for User-mode Pages */
739 #define CPUID_7_0_ECX_PKU               (1U << 3)
740 /* OS Enable Protection Keys */
741 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
742 /* UMONITOR/UMWAIT/TPAUSE Instructions */
743 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
744 /* Additional AVX-512 Vector Byte Manipulation Instruction */
745 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
746 /* Galois Field New Instructions */
747 #define CPUID_7_0_ECX_GFNI              (1U << 8)
748 /* Vector AES Instructions */
749 #define CPUID_7_0_ECX_VAES              (1U << 9)
750 /* Carry-Less Multiplication Quadword */
751 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
752 /* Vector Neural Network Instructions */
753 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
754 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
755 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
756 /* POPCNT for vectors of DW/QW */
757 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
758 /* 5-level Page Tables */
759 #define CPUID_7_0_ECX_LA57              (1U << 16)
760 /* Read Processor ID */
761 #define CPUID_7_0_ECX_RDPID             (1U << 22)
762 /* Cache Line Demote Instruction */
763 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
764 /* Move Doubleword as Direct Store Instruction */
765 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
766 /* Move 64 Bytes as Direct Store Instruction */
767 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
768 
769 /* AVX512 Neural Network Instructions */
770 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
771 /* AVX512 Multiply Accumulation Single Precision */
772 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
773 /* Speculation Control */
774 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
775 /* Single Thread Indirect Branch Predictors */
776 #define CPUID_7_0_EDX_STIBP             (1U << 27)
777 /* Arch Capabilities */
778 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
779 /* Core Capability */
780 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
781 /* Speculative Store Bypass Disable */
782 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
783 
784 /* AVX512 BFloat16 Instruction */
785 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
786 
787 /* CLZERO instruction */
788 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
789 /* Always save/restore FP error pointers */
790 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
791 /* Write back and do not invalidate cache */
792 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
793 /* Indirect Branch Prediction Barrier */
794 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
795 /* Single Thread Indirect Branch Predictors */
796 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
797 
798 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
799 #define CPUID_XSAVE_XSAVEC     (1U << 1)
800 #define CPUID_XSAVE_XGETBV1    (1U << 2)
801 #define CPUID_XSAVE_XSAVES     (1U << 3)
802 
803 #define CPUID_6_EAX_ARAT       (1U << 2)
804 
805 /* CPUID[0x80000007].EDX flags: */
806 #define CPUID_APM_INVTSC       (1U << 8)
807 
808 #define CPUID_VENDOR_SZ      12
809 
810 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
811 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
812 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
813 #define CPUID_VENDOR_INTEL "GenuineIntel"
814 
815 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
816 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
817 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
818 #define CPUID_VENDOR_AMD   "AuthenticAMD"
819 
820 #define CPUID_VENDOR_VIA   "CentaurHauls"
821 
822 #define CPUID_VENDOR_HYGON    "HygonGenuine"
823 
824 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
825                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
826                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
827 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
828                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
829                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
830 
831 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
832 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
833 
834 /* CPUID[0xB].ECX level types */
835 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
836 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
837 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
838 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
839 
840 /* MSR Feature Bits */
841 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
842 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
843 #define MSR_ARCH_CAP_RSBA               (1U << 2)
844 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
845 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
846 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
847 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
848 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
849 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
850 
851 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
852 
853 /* VMX MSR features */
854 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
855 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
856 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
857 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
858 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
859 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
860 
861 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
862 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
863 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
864 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
865 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
866 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
867 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
868 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
869 
870 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
871 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
872 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
873 #define MSR_VMX_EPT_UC                               (1ULL << 8)
874 #define MSR_VMX_EPT_WB                               (1ULL << 14)
875 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
876 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
877 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
878 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
879 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
880 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
881 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
882 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
883 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
884 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
885 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
886 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
887 
888 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
889 
890 
891 /* VMX controls */
892 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
893 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
894 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
895 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
896 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
897 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
898 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
899 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
900 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
901 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
902 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
903 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
904 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
905 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
906 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
907 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
908 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
909 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
910 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
911 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
912 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
913 
914 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
915 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
916 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
917 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
918 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
919 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
920 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
921 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
922 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
923 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
924 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
925 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
926 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
927 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
928 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
929 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
930 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
931 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
932 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
933 
934 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
935 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
936 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
937 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
938 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
939 
940 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
941 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
942 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
943 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
944 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
945 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
946 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
947 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
948 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
949 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
950 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
951 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
952 
953 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
954 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
955 #define VMX_VM_ENTRY_SMM                            0x00000400
956 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
957 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
958 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
959 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
960 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
961 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
962 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
963 
964 /* Supported Hyper-V Enlightenments */
965 #define HYPERV_FEAT_RELAXED             0
966 #define HYPERV_FEAT_VAPIC               1
967 #define HYPERV_FEAT_TIME                2
968 #define HYPERV_FEAT_CRASH               3
969 #define HYPERV_FEAT_RESET               4
970 #define HYPERV_FEAT_VPINDEX             5
971 #define HYPERV_FEAT_RUNTIME             6
972 #define HYPERV_FEAT_SYNIC               7
973 #define HYPERV_FEAT_STIMER              8
974 #define HYPERV_FEAT_FREQUENCIES         9
975 #define HYPERV_FEAT_REENLIGHTENMENT     10
976 #define HYPERV_FEAT_TLBFLUSH            11
977 #define HYPERV_FEAT_EVMCS               12
978 #define HYPERV_FEAT_IPI                 13
979 #define HYPERV_FEAT_STIMER_DIRECT       14
980 
981 #ifndef HYPERV_SPINLOCK_NEVER_RETRY
982 #define HYPERV_SPINLOCK_NEVER_RETRY             0xFFFFFFFF
983 #endif
984 
985 #define EXCP00_DIVZ	0
986 #define EXCP01_DB	1
987 #define EXCP02_NMI	2
988 #define EXCP03_INT3	3
989 #define EXCP04_INTO	4
990 #define EXCP05_BOUND	5
991 #define EXCP06_ILLOP	6
992 #define EXCP07_PREX	7
993 #define EXCP08_DBLE	8
994 #define EXCP09_XERR	9
995 #define EXCP0A_TSS	10
996 #define EXCP0B_NOSEG	11
997 #define EXCP0C_STACK	12
998 #define EXCP0D_GPF	13
999 #define EXCP0E_PAGE	14
1000 #define EXCP10_COPR	16
1001 #define EXCP11_ALGN	17
1002 #define EXCP12_MCHK	18
1003 
1004 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1005 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1006 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1007 
1008 /* i386-specific interrupt pending bits.  */
1009 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1010 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1011 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1012 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1013 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1014 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1015 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1016 
1017 /* Use a clearer name for this.  */
1018 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1019 
1020 /* Instead of computing the condition codes after each x86 instruction,
1021  * QEMU just stores one operand (called CC_SRC), the result
1022  * (called CC_DST) and the type of operation (called CC_OP). When the
1023  * condition codes are needed, the condition codes can be calculated
1024  * using this information. Condition codes are not generated if they
1025  * are only needed for conditional branches.
1026  */
1027 typedef enum {
1028     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1029     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1030 
1031     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1032     CC_OP_MULW,
1033     CC_OP_MULL,
1034     CC_OP_MULQ,
1035 
1036     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1037     CC_OP_ADDW,
1038     CC_OP_ADDL,
1039     CC_OP_ADDQ,
1040 
1041     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1042     CC_OP_ADCW,
1043     CC_OP_ADCL,
1044     CC_OP_ADCQ,
1045 
1046     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1047     CC_OP_SUBW,
1048     CC_OP_SUBL,
1049     CC_OP_SUBQ,
1050 
1051     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1052     CC_OP_SBBW,
1053     CC_OP_SBBL,
1054     CC_OP_SBBQ,
1055 
1056     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1057     CC_OP_LOGICW,
1058     CC_OP_LOGICL,
1059     CC_OP_LOGICQ,
1060 
1061     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1062     CC_OP_INCW,
1063     CC_OP_INCL,
1064     CC_OP_INCQ,
1065 
1066     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1067     CC_OP_DECW,
1068     CC_OP_DECL,
1069     CC_OP_DECQ,
1070 
1071     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1072     CC_OP_SHLW,
1073     CC_OP_SHLL,
1074     CC_OP_SHLQ,
1075 
1076     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1077     CC_OP_SARW,
1078     CC_OP_SARL,
1079     CC_OP_SARQ,
1080 
1081     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1082     CC_OP_BMILGW,
1083     CC_OP_BMILGL,
1084     CC_OP_BMILGQ,
1085 
1086     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1087     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1088     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1089 
1090     CC_OP_CLR, /* Z set, all other flags clear.  */
1091     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1092 
1093     CC_OP_NB,
1094 } CCOp;
1095 
1096 typedef struct SegmentCache {
1097     uint32_t selector;
1098     target_ulong base;
1099     uint32_t limit;
1100     uint32_t flags;
1101 } SegmentCache;
1102 
1103 #define MMREG_UNION(n, bits)        \
1104     union n {                       \
1105         uint8_t  _b_##n[(bits)/8];  \
1106         uint16_t _w_##n[(bits)/16]; \
1107         uint32_t _l_##n[(bits)/32]; \
1108         uint64_t _q_##n[(bits)/64]; \
1109         float32  _s_##n[(bits)/32]; \
1110         float64  _d_##n[(bits)/64]; \
1111     }
1112 
1113 typedef union {
1114     uint8_t _b[16];
1115     uint16_t _w[8];
1116     uint32_t _l[4];
1117     uint64_t _q[2];
1118 } XMMReg;
1119 
1120 typedef union {
1121     uint8_t _b[32];
1122     uint16_t _w[16];
1123     uint32_t _l[8];
1124     uint64_t _q[4];
1125 } YMMReg;
1126 
1127 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1128 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1129 
1130 typedef struct BNDReg {
1131     uint64_t lb;
1132     uint64_t ub;
1133 } BNDReg;
1134 
1135 typedef struct BNDCSReg {
1136     uint64_t cfgu;
1137     uint64_t sts;
1138 } BNDCSReg;
1139 
1140 #define BNDCFG_ENABLE       1ULL
1141 #define BNDCFG_BNDPRESERVE  2ULL
1142 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1143 
1144 #ifdef HOST_WORDS_BIGENDIAN
1145 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1146 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1147 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1148 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1149 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1150 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1151 
1152 #define MMX_B(n) _b_MMXReg[7 - (n)]
1153 #define MMX_W(n) _w_MMXReg[3 - (n)]
1154 #define MMX_L(n) _l_MMXReg[1 - (n)]
1155 #define MMX_S(n) _s_MMXReg[1 - (n)]
1156 #else
1157 #define ZMM_B(n) _b_ZMMReg[n]
1158 #define ZMM_W(n) _w_ZMMReg[n]
1159 #define ZMM_L(n) _l_ZMMReg[n]
1160 #define ZMM_S(n) _s_ZMMReg[n]
1161 #define ZMM_Q(n) _q_ZMMReg[n]
1162 #define ZMM_D(n) _d_ZMMReg[n]
1163 
1164 #define MMX_B(n) _b_MMXReg[n]
1165 #define MMX_W(n) _w_MMXReg[n]
1166 #define MMX_L(n) _l_MMXReg[n]
1167 #define MMX_S(n) _s_MMXReg[n]
1168 #endif
1169 #define MMX_Q(n) _q_MMXReg[n]
1170 
1171 typedef union {
1172     floatx80 d __attribute__((aligned(16)));
1173     MMXReg mmx;
1174 } FPReg;
1175 
1176 typedef struct {
1177     uint64_t base;
1178     uint64_t mask;
1179 } MTRRVar;
1180 
1181 #define CPU_NB_REGS64 16
1182 #define CPU_NB_REGS32 8
1183 
1184 #ifdef TARGET_X86_64
1185 #define CPU_NB_REGS CPU_NB_REGS64
1186 #else
1187 #define CPU_NB_REGS CPU_NB_REGS32
1188 #endif
1189 
1190 #define MAX_FIXED_COUNTERS 3
1191 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1192 
1193 #define TARGET_INSN_START_EXTRA_WORDS 1
1194 
1195 #define NB_OPMASK_REGS 8
1196 
1197 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1198  * that APIC ID hasn't been set yet
1199  */
1200 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1201 
1202 typedef union X86LegacyXSaveArea {
1203     struct {
1204         uint16_t fcw;
1205         uint16_t fsw;
1206         uint8_t ftw;
1207         uint8_t reserved;
1208         uint16_t fpop;
1209         uint64_t fpip;
1210         uint64_t fpdp;
1211         uint32_t mxcsr;
1212         uint32_t mxcsr_mask;
1213         FPReg fpregs[8];
1214         uint8_t xmm_regs[16][16];
1215     };
1216     uint8_t data[512];
1217 } X86LegacyXSaveArea;
1218 
1219 typedef struct X86XSaveHeader {
1220     uint64_t xstate_bv;
1221     uint64_t xcomp_bv;
1222     uint64_t reserve0;
1223     uint8_t reserved[40];
1224 } X86XSaveHeader;
1225 
1226 /* Ext. save area 2: AVX State */
1227 typedef struct XSaveAVX {
1228     uint8_t ymmh[16][16];
1229 } XSaveAVX;
1230 
1231 /* Ext. save area 3: BNDREG */
1232 typedef struct XSaveBNDREG {
1233     BNDReg bnd_regs[4];
1234 } XSaveBNDREG;
1235 
1236 /* Ext. save area 4: BNDCSR */
1237 typedef union XSaveBNDCSR {
1238     BNDCSReg bndcsr;
1239     uint8_t data[64];
1240 } XSaveBNDCSR;
1241 
1242 /* Ext. save area 5: Opmask */
1243 typedef struct XSaveOpmask {
1244     uint64_t opmask_regs[NB_OPMASK_REGS];
1245 } XSaveOpmask;
1246 
1247 /* Ext. save area 6: ZMM_Hi256 */
1248 typedef struct XSaveZMM_Hi256 {
1249     uint8_t zmm_hi256[16][32];
1250 } XSaveZMM_Hi256;
1251 
1252 /* Ext. save area 7: Hi16_ZMM */
1253 typedef struct XSaveHi16_ZMM {
1254     uint8_t hi16_zmm[16][64];
1255 } XSaveHi16_ZMM;
1256 
1257 /* Ext. save area 9: PKRU state */
1258 typedef struct XSavePKRU {
1259     uint32_t pkru;
1260     uint32_t padding;
1261 } XSavePKRU;
1262 
1263 typedef struct X86XSaveArea {
1264     X86LegacyXSaveArea legacy;
1265     X86XSaveHeader header;
1266 
1267     /* Extended save areas: */
1268 
1269     /* AVX State: */
1270     XSaveAVX avx_state;
1271     uint8_t padding[960 - 576 - sizeof(XSaveAVX)];
1272     /* MPX State: */
1273     XSaveBNDREG bndreg_state;
1274     XSaveBNDCSR bndcsr_state;
1275     /* AVX-512 State: */
1276     XSaveOpmask opmask_state;
1277     XSaveZMM_Hi256 zmm_hi256_state;
1278     XSaveHi16_ZMM hi16_zmm_state;
1279     /* PKRU State: */
1280     XSavePKRU pkru_state;
1281 } X86XSaveArea;
1282 
1283 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240);
1284 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1285 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0);
1286 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1287 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400);
1288 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1289 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440);
1290 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1291 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480);
1292 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1293 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680);
1294 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1295 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80);
1296 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1297 
1298 typedef enum TPRAccess {
1299     TPR_ACCESS_READ,
1300     TPR_ACCESS_WRITE,
1301 } TPRAccess;
1302 
1303 /* Cache information data structures: */
1304 
1305 enum CacheType {
1306     DATA_CACHE,
1307     INSTRUCTION_CACHE,
1308     UNIFIED_CACHE
1309 };
1310 
1311 typedef struct CPUCacheInfo {
1312     enum CacheType type;
1313     uint8_t level;
1314     /* Size in bytes */
1315     uint32_t size;
1316     /* Line size, in bytes */
1317     uint16_t line_size;
1318     /*
1319      * Associativity.
1320      * Note: representation of fully-associative caches is not implemented
1321      */
1322     uint8_t associativity;
1323     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1324     uint8_t partitions;
1325     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1326     uint32_t sets;
1327     /*
1328      * Lines per tag.
1329      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1330      * (Is this synonym to @partitions?)
1331      */
1332     uint8_t lines_per_tag;
1333 
1334     /* Self-initializing cache */
1335     bool self_init;
1336     /*
1337      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1338      * non-originating threads sharing this cache.
1339      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1340      */
1341     bool no_invd_sharing;
1342     /*
1343      * Cache is inclusive of lower cache levels.
1344      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1345      */
1346     bool inclusive;
1347     /*
1348      * A complex function is used to index the cache, potentially using all
1349      * address bits.  CPUID[4].EDX[bit 2].
1350      */
1351     bool complex_indexing;
1352 } CPUCacheInfo;
1353 
1354 
1355 typedef struct CPUCaches {
1356         CPUCacheInfo *l1d_cache;
1357         CPUCacheInfo *l1i_cache;
1358         CPUCacheInfo *l2_cache;
1359         CPUCacheInfo *l3_cache;
1360 } CPUCaches;
1361 
1362 typedef struct CPUX86State {
1363     /* standard registers */
1364     target_ulong regs[CPU_NB_REGS];
1365     target_ulong eip;
1366     target_ulong eflags; /* eflags register. During CPU emulation, CC
1367                         flags and DF are set to zero because they are
1368                         stored elsewhere */
1369 
1370     /* emulator internal eflags handling */
1371     target_ulong cc_dst;
1372     target_ulong cc_src;
1373     target_ulong cc_src2;
1374     uint32_t cc_op;
1375     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1376     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1377                         are known at translation time. */
1378     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1379 
1380     /* segments */
1381     SegmentCache segs[6]; /* selector values */
1382     SegmentCache ldt;
1383     SegmentCache tr;
1384     SegmentCache gdt; /* only base and limit are used */
1385     SegmentCache idt; /* only base and limit are used */
1386 
1387     target_ulong cr[5]; /* NOTE: cr1 is unused */
1388     int32_t a20_mask;
1389 
1390     BNDReg bnd_regs[4];
1391     BNDCSReg bndcs_regs;
1392     uint64_t msr_bndcfgs;
1393     uint64_t efer;
1394 
1395     /* Beginning of state preserved by INIT (dummy marker).  */
1396     struct {} start_init_save;
1397 
1398     /* FPU state */
1399     unsigned int fpstt; /* top of stack index */
1400     uint16_t fpus;
1401     uint16_t fpuc;
1402     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1403     FPReg fpregs[8];
1404     /* KVM-only so far */
1405     uint16_t fpop;
1406     uint64_t fpip;
1407     uint64_t fpdp;
1408 
1409     /* emulator internal variables */
1410     float_status fp_status;
1411     floatx80 ft0;
1412 
1413     float_status mmx_status; /* for 3DNow! float ops */
1414     float_status sse_status;
1415     uint32_t mxcsr;
1416     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1417     ZMMReg xmm_t0;
1418     MMXReg mmx_t0;
1419 
1420     XMMReg ymmh_regs[CPU_NB_REGS];
1421 
1422     uint64_t opmask_regs[NB_OPMASK_REGS];
1423     YMMReg zmmh_regs[CPU_NB_REGS];
1424     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1425 
1426     /* sysenter registers */
1427     uint32_t sysenter_cs;
1428     target_ulong sysenter_esp;
1429     target_ulong sysenter_eip;
1430     uint64_t star;
1431 
1432     uint64_t vm_hsave;
1433 
1434 #ifdef TARGET_X86_64
1435     target_ulong lstar;
1436     target_ulong cstar;
1437     target_ulong fmask;
1438     target_ulong kernelgsbase;
1439 #endif
1440 
1441     uint64_t tsc;
1442     uint64_t tsc_adjust;
1443     uint64_t tsc_deadline;
1444     uint64_t tsc_aux;
1445 
1446     uint64_t xcr0;
1447 
1448     uint64_t mcg_status;
1449     uint64_t msr_ia32_misc_enable;
1450     uint64_t msr_ia32_feature_control;
1451 
1452     uint64_t msr_fixed_ctr_ctrl;
1453     uint64_t msr_global_ctrl;
1454     uint64_t msr_global_status;
1455     uint64_t msr_global_ovf_ctrl;
1456     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1457     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1458     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1459 
1460     uint64_t pat;
1461     uint32_t smbase;
1462     uint64_t msr_smi_count;
1463 
1464     uint32_t pkru;
1465     uint32_t tsx_ctrl;
1466 
1467     uint64_t spec_ctrl;
1468     uint64_t virt_ssbd;
1469 
1470     /* End of state preserved by INIT (dummy marker).  */
1471     struct {} end_init_save;
1472 
1473     uint64_t system_time_msr;
1474     uint64_t wall_clock_msr;
1475     uint64_t steal_time_msr;
1476     uint64_t async_pf_en_msr;
1477     uint64_t pv_eoi_en_msr;
1478     uint64_t poll_control_msr;
1479 
1480     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1481     uint64_t msr_hv_hypercall;
1482     uint64_t msr_hv_guest_os_id;
1483     uint64_t msr_hv_tsc;
1484 
1485     /* Per-VCPU HV MSRs */
1486     uint64_t msr_hv_vapic;
1487     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1488     uint64_t msr_hv_runtime;
1489     uint64_t msr_hv_synic_control;
1490     uint64_t msr_hv_synic_evt_page;
1491     uint64_t msr_hv_synic_msg_page;
1492     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1493     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1494     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1495     uint64_t msr_hv_reenlightenment_control;
1496     uint64_t msr_hv_tsc_emulation_control;
1497     uint64_t msr_hv_tsc_emulation_status;
1498 
1499     uint64_t msr_rtit_ctrl;
1500     uint64_t msr_rtit_status;
1501     uint64_t msr_rtit_output_base;
1502     uint64_t msr_rtit_output_mask;
1503     uint64_t msr_rtit_cr3_match;
1504     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1505 
1506     /* exception/interrupt handling */
1507     int error_code;
1508     int exception_is_int;
1509     target_ulong exception_next_eip;
1510     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1511     union {
1512         struct CPUBreakpoint *cpu_breakpoint[4];
1513         struct CPUWatchpoint *cpu_watchpoint[4];
1514     }; /* break/watchpoints for dr[0..3] */
1515     int old_exception;  /* exception in flight */
1516 
1517     uint64_t vm_vmcb;
1518     uint64_t tsc_offset;
1519     uint64_t intercept;
1520     uint16_t intercept_cr_read;
1521     uint16_t intercept_cr_write;
1522     uint16_t intercept_dr_read;
1523     uint16_t intercept_dr_write;
1524     uint32_t intercept_exceptions;
1525     uint64_t nested_cr3;
1526     uint32_t nested_pg_mode;
1527     uint8_t v_tpr;
1528 
1529     /* KVM states, automatically cleared on reset */
1530     uint8_t nmi_injected;
1531     uint8_t nmi_pending;
1532 
1533     uintptr_t retaddr;
1534 
1535     /* Fields up to this point are cleared by a CPU reset */
1536     struct {} end_reset_fields;
1537 
1538     /* Fields after this point are preserved across CPU reset. */
1539 
1540     /* processor features (e.g. for CPUID insn) */
1541     /* Minimum cpuid leaf 7 value */
1542     uint32_t cpuid_level_func7;
1543     /* Actual cpuid leaf 7 value */
1544     uint32_t cpuid_min_level_func7;
1545     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1546     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1547     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1548     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1549     /* Actual level/xlevel/xlevel2 value: */
1550     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1551     uint32_t cpuid_vendor1;
1552     uint32_t cpuid_vendor2;
1553     uint32_t cpuid_vendor3;
1554     uint32_t cpuid_version;
1555     FeatureWordArray features;
1556     /* Features that were explicitly enabled/disabled */
1557     FeatureWordArray user_features;
1558     uint32_t cpuid_model[12];
1559     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1560      * on each CPUID leaf will be different, because we keep compatibility
1561      * with old QEMU versions.
1562      */
1563     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1564 
1565     /* MTRRs */
1566     uint64_t mtrr_fixed[11];
1567     uint64_t mtrr_deftype;
1568     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1569 
1570     /* For KVM */
1571     uint32_t mp_state;
1572     int32_t exception_nr;
1573     int32_t interrupt_injected;
1574     uint8_t soft_interrupt;
1575     uint8_t exception_pending;
1576     uint8_t exception_injected;
1577     uint8_t has_error_code;
1578     uint8_t exception_has_payload;
1579     uint64_t exception_payload;
1580     uint32_t ins_len;
1581     uint32_t sipi_vector;
1582     bool tsc_valid;
1583     int64_t tsc_khz;
1584     int64_t user_tsc_khz; /* for sanity check only */
1585 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1586     void *xsave_buf;
1587 #endif
1588 #if defined(CONFIG_KVM)
1589     struct kvm_nested_state *nested_state;
1590 #endif
1591 #if defined(CONFIG_HVF)
1592     HVFX86EmulatorState *hvf_emul;
1593 #endif
1594 
1595     uint64_t mcg_cap;
1596     uint64_t mcg_ctl;
1597     uint64_t mcg_ext_ctl;
1598     uint64_t mce_banks[MCE_BANKS_DEF*4];
1599     uint64_t xstate_bv;
1600 
1601     /* vmstate */
1602     uint16_t fpus_vmstate;
1603     uint16_t fptag_vmstate;
1604     uint16_t fpregs_format_vmstate;
1605 
1606     uint64_t xss;
1607     uint32_t umwait;
1608 
1609     TPRAccess tpr_access_type;
1610 
1611     unsigned nr_dies;
1612     unsigned nr_nodes;
1613     unsigned pkg_offset;
1614 } CPUX86State;
1615 
1616 struct kvm_msrs;
1617 
1618 /**
1619  * X86CPU:
1620  * @env: #CPUX86State
1621  * @migratable: If set, only migratable flags will be accepted when "enforce"
1622  * mode is used, and only migratable flags will be included in the "host"
1623  * CPU model.
1624  *
1625  * An x86 CPU.
1626  */
1627 struct X86CPU {
1628     /*< private >*/
1629     CPUState parent_obj;
1630     /*< public >*/
1631 
1632     CPUNegativeOffsetState neg;
1633     CPUX86State env;
1634 
1635     uint64_t ucode_rev;
1636 
1637     uint32_t hyperv_spinlock_attempts;
1638     char *hyperv_vendor_id;
1639     bool hyperv_synic_kvm_only;
1640     uint64_t hyperv_features;
1641     bool hyperv_passthrough;
1642     OnOffAuto hyperv_no_nonarch_cs;
1643 
1644     bool check_cpuid;
1645     bool enforce_cpuid;
1646     /*
1647      * Force features to be enabled even if the host doesn't support them.
1648      * This is dangerous and should be done only for testing CPUID
1649      * compatibility.
1650      */
1651     bool force_features;
1652     bool expose_kvm;
1653     bool expose_tcg;
1654     bool migratable;
1655     bool migrate_smi_count;
1656     bool max_features; /* Enable all supported features automatically */
1657     uint32_t apic_id;
1658 
1659     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1660      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1661     bool vmware_cpuid_freq;
1662 
1663     /* if true the CPUID code directly forward host cache leaves to the guest */
1664     bool cache_info_passthrough;
1665 
1666     /* if true the CPUID code directly forwards
1667      * host monitor/mwait leaves to the guest */
1668     struct {
1669         uint32_t eax;
1670         uint32_t ebx;
1671         uint32_t ecx;
1672         uint32_t edx;
1673     } mwait;
1674 
1675     /* Features that were filtered out because of missing host capabilities */
1676     FeatureWordArray filtered_features;
1677 
1678     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1679      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1680      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1681      * capabilities) directly to the guest.
1682      */
1683     bool enable_pmu;
1684 
1685     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1686      * disabled by default to avoid breaking migration between QEMU with
1687      * different LMCE configurations.
1688      */
1689     bool enable_lmce;
1690 
1691     /* Compatibility bits for old machine types.
1692      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1693      * socket share an virtual l3 cache.
1694      */
1695     bool enable_l3_cache;
1696 
1697     /* Compatibility bits for old machine types.
1698      * If true present the old cache topology information
1699      */
1700     bool legacy_cache;
1701 
1702     /* Compatibility bits for old machine types: */
1703     bool enable_cpuid_0xb;
1704 
1705     /* Enable auto level-increase for all CPUID leaves */
1706     bool full_cpuid_auto_level;
1707 
1708     /* Enable auto level-increase for Intel Processor Trace leave */
1709     bool intel_pt_auto_level;
1710 
1711     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1712     bool fill_mtrr_mask;
1713 
1714     /* if true override the phys_bits value with a value read from the host */
1715     bool host_phys_bits;
1716 
1717     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1718     uint8_t host_phys_bits_limit;
1719 
1720     /* Stop SMI delivery for migration compatibility with old machines */
1721     bool kvm_no_smi_migration;
1722 
1723     /* Number of physical address bits supported */
1724     uint32_t phys_bits;
1725 
1726     /* in order to simplify APIC support, we leave this pointer to the
1727        user */
1728     struct DeviceState *apic_state;
1729     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1730     Notifier machine_done;
1731 
1732     struct kvm_msrs *kvm_msr_buf;
1733 
1734     int32_t node_id; /* NUMA node this CPU belongs to */
1735     int32_t socket_id;
1736     int32_t die_id;
1737     int32_t core_id;
1738     int32_t thread_id;
1739 
1740     int32_t hv_max_vps;
1741 };
1742 
1743 
1744 #ifndef CONFIG_USER_ONLY
1745 extern VMStateDescription vmstate_x86_cpu;
1746 #endif
1747 
1748 /**
1749  * x86_cpu_do_interrupt:
1750  * @cpu: vCPU the interrupt is to be handled by.
1751  */
1752 void x86_cpu_do_interrupt(CPUState *cpu);
1753 bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
1754 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1755 
1756 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1757                              int cpuid, void *opaque);
1758 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1759                              int cpuid, void *opaque);
1760 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1761                                  void *opaque);
1762 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1763                                  void *opaque);
1764 
1765 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1766                                 Error **errp);
1767 
1768 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1769 
1770 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1771                                          MemTxAttrs *attrs);
1772 
1773 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1774 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1775 
1776 void x86_cpu_exec_enter(CPUState *cpu);
1777 void x86_cpu_exec_exit(CPUState *cpu);
1778 
1779 void x86_cpu_list(void);
1780 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1781 
1782 int cpu_get_pic_interrupt(CPUX86State *s);
1783 /* MSDOS compatibility mode FPU exception support */
1784 void x86_register_ferr_irq(qemu_irq irq);
1785 void cpu_set_ignne(void);
1786 /* mpx_helper.c */
1787 void cpu_sync_bndcs_hflags(CPUX86State *env);
1788 
1789 /* this function must always be used to load data in the segment
1790    cache: it synchronizes the hflags with the segment cache values */
1791 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1792                                           int seg_reg, unsigned int selector,
1793                                           target_ulong base,
1794                                           unsigned int limit,
1795                                           unsigned int flags)
1796 {
1797     SegmentCache *sc;
1798     unsigned int new_hflags;
1799 
1800     sc = &env->segs[seg_reg];
1801     sc->selector = selector;
1802     sc->base = base;
1803     sc->limit = limit;
1804     sc->flags = flags;
1805 
1806     /* update the hidden flags */
1807     {
1808         if (seg_reg == R_CS) {
1809 #ifdef TARGET_X86_64
1810             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1811                 /* long mode */
1812                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1813                 env->hflags &= ~(HF_ADDSEG_MASK);
1814             } else
1815 #endif
1816             {
1817                 /* legacy / compatibility case */
1818                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1819                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1820                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1821                     new_hflags;
1822             }
1823         }
1824         if (seg_reg == R_SS) {
1825             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1826 #if HF_CPL_MASK != 3
1827 #error HF_CPL_MASK is hardcoded
1828 #endif
1829             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1830             /* Possibly switch between BNDCFGS and BNDCFGU */
1831             cpu_sync_bndcs_hflags(env);
1832         }
1833         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1834             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1835         if (env->hflags & HF_CS64_MASK) {
1836             /* zero base assumed for DS, ES and SS in long mode */
1837         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1838                    (env->eflags & VM_MASK) ||
1839                    !(env->hflags & HF_CS32_MASK)) {
1840             /* XXX: try to avoid this test. The problem comes from the
1841                fact that is real mode or vm86 mode we only modify the
1842                'base' and 'selector' fields of the segment cache to go
1843                faster. A solution may be to force addseg to one in
1844                translate-i386.c. */
1845             new_hflags |= HF_ADDSEG_MASK;
1846         } else {
1847             new_hflags |= ((env->segs[R_DS].base |
1848                             env->segs[R_ES].base |
1849                             env->segs[R_SS].base) != 0) <<
1850                 HF_ADDSEG_SHIFT;
1851         }
1852         env->hflags = (env->hflags &
1853                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1854     }
1855 }
1856 
1857 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1858                                                uint8_t sipi_vector)
1859 {
1860     CPUState *cs = CPU(cpu);
1861     CPUX86State *env = &cpu->env;
1862 
1863     env->eip = 0;
1864     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1865                            sipi_vector << 12,
1866                            env->segs[R_CS].limit,
1867                            env->segs[R_CS].flags);
1868     cs->halted = 0;
1869 }
1870 
1871 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1872                             target_ulong *base, unsigned int *limit,
1873                             unsigned int *flags);
1874 
1875 /* op_helper.c */
1876 /* used for debug or cpu save/restore */
1877 
1878 /* cpu-exec.c */
1879 /* the following helpers are only usable in user mode simulation as
1880    they can trigger unexpected exceptions */
1881 void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
1882 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1883 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1884 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1885 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1886 
1887 /* you can call this signal handler from your SIGBUS and SIGSEGV
1888    signal handlers to inform the virtual CPU of exceptions. non zero
1889    is returned if the signal was handled by the virtual CPU.  */
1890 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1891                            void *puc);
1892 
1893 /* cpu.c */
1894 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1895                    uint32_t *eax, uint32_t *ebx,
1896                    uint32_t *ecx, uint32_t *edx);
1897 void cpu_clear_apic_feature(CPUX86State *env);
1898 void host_cpuid(uint32_t function, uint32_t count,
1899                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1900 void host_vendor_fms(char *vendor, int *family, int *model, int *stepping);
1901 bool cpu_x86_use_epyc_apic_id_encoding(const char *cpu_type);
1902 
1903 /* helper.c */
1904 bool x86_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
1905                       MMUAccessType access_type, int mmu_idx,
1906                       bool probe, uintptr_t retaddr);
1907 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1908 
1909 #ifndef CONFIG_USER_ONLY
1910 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1911 {
1912     return !!attrs.secure;
1913 }
1914 
1915 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1916 {
1917     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1918 }
1919 
1920 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1921 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1922 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1923 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1924 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1925 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1926 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1927 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1928 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1929 #endif
1930 
1931 void breakpoint_handler(CPUState *cs);
1932 
1933 /* will be suppressed */
1934 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1935 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1936 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1937 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
1938 
1939 /* hw/pc.c */
1940 uint64_t cpu_get_tsc(CPUX86State *env);
1941 
1942 /* XXX: This value should match the one returned by CPUID
1943  * and in exec.c */
1944 # if defined(TARGET_X86_64)
1945 # define TCG_PHYS_ADDR_BITS 40
1946 # else
1947 # define TCG_PHYS_ADDR_BITS 36
1948 # endif
1949 
1950 #define PHYS_ADDR_MASK MAKE_64BIT_MASK(0, TCG_PHYS_ADDR_BITS)
1951 
1952 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
1953 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
1954 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
1955 
1956 #ifdef TARGET_X86_64
1957 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
1958 #else
1959 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
1960 #endif
1961 
1962 #define cpu_signal_handler cpu_x86_signal_handler
1963 #define cpu_list x86_cpu_list
1964 
1965 /* MMU modes definitions */
1966 #define MMU_KSMAP_IDX   0
1967 #define MMU_USER_IDX    1
1968 #define MMU_KNOSMAP_IDX 2
1969 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
1970 {
1971     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1972         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
1973         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1974 }
1975 
1976 static inline int cpu_mmu_index_kernel(CPUX86State *env)
1977 {
1978     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
1979         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
1980         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1981 }
1982 
1983 #define CC_DST  (env->cc_dst)
1984 #define CC_SRC  (env->cc_src)
1985 #define CC_SRC2 (env->cc_src2)
1986 #define CC_OP   (env->cc_op)
1987 
1988 /* n must be a constant to be efficient */
1989 static inline target_long lshift(target_long x, int n)
1990 {
1991     if (n >= 0) {
1992         return x << n;
1993     } else {
1994         return x >> (-n);
1995     }
1996 }
1997 
1998 /* float macros */
1999 #define FT0    (env->ft0)
2000 #define ST0    (env->fpregs[env->fpstt].d)
2001 #define ST(n)  (env->fpregs[(env->fpstt + (n)) & 7].d)
2002 #define ST1    ST(1)
2003 
2004 /* translate.c */
2005 void tcg_x86_init(void);
2006 
2007 typedef CPUX86State CPUArchState;
2008 typedef X86CPU ArchCPU;
2009 
2010 #include "exec/cpu-all.h"
2011 #include "svm.h"
2012 
2013 #if !defined(CONFIG_USER_ONLY)
2014 #include "hw/i386/apic.h"
2015 #endif
2016 
2017 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2018                                         target_ulong *cs_base, uint32_t *flags)
2019 {
2020     *cs_base = env->segs[R_CS].base;
2021     *pc = *cs_base + env->eip;
2022     *flags = env->hflags |
2023         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2024 }
2025 
2026 void do_cpu_init(X86CPU *cpu);
2027 void do_cpu_sipi(X86CPU *cpu);
2028 
2029 #define MCE_INJECT_BROADCAST    1
2030 #define MCE_INJECT_UNCOND_AO    2
2031 
2032 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2033                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2034                         uint64_t misc, int flags);
2035 
2036 /* excp_helper.c */
2037 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
2038 void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_index,
2039                                       uintptr_t retaddr);
2040 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
2041                                        int error_code);
2042 void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_index,
2043                                           int error_code, uintptr_t retaddr);
2044 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
2045                                    int error_code, int next_eip_addend);
2046 
2047 /* cc_helper.c */
2048 extern const uint8_t parity_table[256];
2049 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2050 
2051 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2052 {
2053     uint32_t eflags = env->eflags;
2054     if (tcg_enabled()) {
2055         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2056     }
2057     return eflags;
2058 }
2059 
2060 /* NOTE: the translator must set DisasContext.cc_op to CC_OP_EFLAGS
2061  * after generating a call to a helper that uses this.
2062  */
2063 static inline void cpu_load_eflags(CPUX86State *env, int eflags,
2064                                    int update_mask)
2065 {
2066     CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
2067     CC_OP = CC_OP_EFLAGS;
2068     env->df = 1 - (2 * ((eflags >> 10) & 1));
2069     env->eflags = (env->eflags & ~update_mask) |
2070         (eflags & update_mask) | 0x2;
2071 }
2072 
2073 /* load efer and update the corresponding hflags. XXX: do consistency
2074    checks with cpuid bits? */
2075 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
2076 {
2077     env->efer = val;
2078     env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
2079     if (env->efer & MSR_EFER_LMA) {
2080         env->hflags |= HF_LMA_MASK;
2081     }
2082     if (env->efer & MSR_EFER_SVME) {
2083         env->hflags |= HF_SVME_MASK;
2084     }
2085 }
2086 
2087 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2088 {
2089     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2090 }
2091 
2092 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2093 {
2094     if (env->hflags & HF_SMM_MASK) {
2095         return -1;
2096     } else {
2097         return env->a20_mask;
2098     }
2099 }
2100 
2101 static inline bool cpu_has_vmx(CPUX86State *env)
2102 {
2103     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2104 }
2105 
2106 /*
2107  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2108  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2109  * VMX operation. This is because CR4.VMXE is one of the bits set
2110  * in MSR_IA32_VMX_CR4_FIXED1.
2111  *
2112  * There is one exception to above statement when vCPU enters SMM mode.
2113  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2114  * may also reset CR4.VMXE during execution in SMM mode.
2115  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2116  * and CR4.VMXE is restored to it's original value of being set.
2117  *
2118  * Therefore, when vCPU is not in SMM mode, we can infer whether
2119  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2120  * know for certain.
2121  */
2122 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2123 {
2124     return cpu_has_vmx(env) &&
2125            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2126 }
2127 
2128 /* fpu_helper.c */
2129 void update_fp_status(CPUX86State *env);
2130 void update_mxcsr_status(CPUX86State *env);
2131 
2132 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2133 {
2134     env->mxcsr = mxcsr;
2135     if (tcg_enabled()) {
2136         update_mxcsr_status(env);
2137     }
2138 }
2139 
2140 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2141 {
2142      env->fpuc = fpuc;
2143      if (tcg_enabled()) {
2144         update_fp_status(env);
2145      }
2146 }
2147 
2148 /* mem_helper.c */
2149 void helper_lock_init(void);
2150 
2151 /* svm_helper.c */
2152 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2153                                    uint64_t param, uintptr_t retaddr);
2154 void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code,
2155                               uint64_t exit_info_1, uintptr_t retaddr);
2156 void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1);
2157 
2158 /* seg_helper.c */
2159 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
2160 
2161 /* smm_helper.c */
2162 void do_smm_enter(X86CPU *cpu);
2163 
2164 /* apic.c */
2165 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2166 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2167                                    TPRAccess access);
2168 
2169 
2170 /* Change the value of a KVM-specific default
2171  *
2172  * If value is NULL, no default will be set and the original
2173  * value from the CPU model table will be kept.
2174  *
2175  * It is valid to call this function only for properties that
2176  * are already present in the kvm_default_props table.
2177  */
2178 void x86_cpu_change_kvm_default(const char *prop, const char *value);
2179 
2180 /* Special values for X86CPUVersion: */
2181 
2182 /* Resolve to latest CPU version */
2183 #define CPU_VERSION_LATEST -1
2184 
2185 /*
2186  * Resolve to version defined by current machine type.
2187  * See x86_cpu_set_default_version()
2188  */
2189 #define CPU_VERSION_AUTO   -2
2190 
2191 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2192 #define CPU_VERSION_LEGACY  0
2193 
2194 typedef int X86CPUVersion;
2195 
2196 /*
2197  * Set default CPU model version for CPU models having
2198  * version == CPU_VERSION_AUTO.
2199  */
2200 void x86_cpu_set_default_version(X86CPUVersion version);
2201 
2202 /* Return name of 32-bit register, from a R_* constant */
2203 const char *get_register_name_32(unsigned int reg);
2204 
2205 void enable_compat_apic_id_mode(void);
2206 
2207 #define APIC_DEFAULT_ADDRESS 0xfee00000
2208 #define APIC_SPACE_SIZE      0x100000
2209 
2210 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2211 
2212 /* cpu.c */
2213 bool cpu_is_bsp(X86CPU *cpu);
2214 
2215 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf);
2216 void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf);
2217 void x86_update_hflags(CPUX86State* env);
2218 
2219 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2220 {
2221     return !!(cpu->hyperv_features & BIT(feat));
2222 }
2223 
2224 #if defined(TARGET_X86_64) && \
2225     defined(CONFIG_USER_ONLY) && \
2226     defined(CONFIG_LINUX)
2227 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2228 #endif
2229 
2230 #endif /* I386_CPU_H */
2231