xref: /qemu/target/i386/cpu.h (revision 22a7c2f239229b2ee9fcbac03cb598d9aebb9196)
1 /*
2  * i386 virtual CPU header
3  *
4  *  Copyright (c) 2003 Fabrice Bellard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef I386_CPU_H
21 #define I386_CPU_H
22 
23 #include "system/tcg.h"
24 #include "cpu-qom.h"
25 #include "kvm/hyperv-proto.h"
26 #include "exec/cpu-defs.h"
27 #include "exec/cpu-interrupt.h"
28 #include "exec/memop.h"
29 #include "hw/i386/topology.h"
30 #include "qapi/qapi-types-common.h"
31 #include "qemu/cpu-float.h"
32 #include "qemu/timer.h"
33 #include "standard-headers/asm-x86/kvm_para.h"
34 
35 #define XEN_NR_VIRQS 24
36 
37 #define KVM_HAVE_MCE_INJECTION 1
38 
39 /* support for self modifying code even if the modified instruction is
40    close to the modifying instruction */
41 #define TARGET_HAS_PRECISE_SMC
42 
43 #ifdef TARGET_X86_64
44 #define I386_ELF_MACHINE  EM_X86_64
45 #define ELF_MACHINE_UNAME "x86_64"
46 #else
47 #define I386_ELF_MACHINE  EM_386
48 #define ELF_MACHINE_UNAME "i686"
49 #endif
50 
51 enum {
52     R_EAX = 0,
53     R_ECX = 1,
54     R_EDX = 2,
55     R_EBX = 3,
56     R_ESP = 4,
57     R_EBP = 5,
58     R_ESI = 6,
59     R_EDI = 7,
60     R_R8 = 8,
61     R_R9 = 9,
62     R_R10 = 10,
63     R_R11 = 11,
64     R_R12 = 12,
65     R_R13 = 13,
66     R_R14 = 14,
67     R_R15 = 15,
68 
69     R_AL = 0,
70     R_CL = 1,
71     R_DL = 2,
72     R_BL = 3,
73     R_AH = 4,
74     R_CH = 5,
75     R_DH = 6,
76     R_BH = 7,
77 };
78 
79 typedef enum X86Seg {
80     R_ES = 0,
81     R_CS = 1,
82     R_SS = 2,
83     R_DS = 3,
84     R_FS = 4,
85     R_GS = 5,
86     R_LDTR = 6,
87     R_TR = 7,
88 } X86Seg;
89 
90 /* segment descriptor fields */
91 #define DESC_G_SHIFT    23
92 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
93 #define DESC_B_SHIFT    22
94 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
95 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
96 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
97 #define DESC_AVL_SHIFT  20
98 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
99 #define DESC_P_SHIFT    15
100 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
101 #define DESC_DPL_SHIFT  13
102 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
103 #define DESC_S_SHIFT    12
104 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
105 #define DESC_TYPE_SHIFT 8
106 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
107 #define DESC_A_MASK     (1 << 8)
108 
109 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
110 #define DESC_C_MASK     (1 << 10) /* code: conforming */
111 #define DESC_R_MASK     (1 << 9)  /* code: readable */
112 
113 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
114 #define DESC_W_MASK     (1 << 9)  /* data: writable */
115 
116 #define DESC_TSS_BUSY_MASK (1 << 9)
117 
118 /* eflags masks */
119 #define CC_C    0x0001
120 #define CC_P    0x0004
121 #define CC_A    0x0010
122 #define CC_Z    0x0040
123 #define CC_S    0x0080
124 #define CC_O    0x0800
125 
126 #define TF_SHIFT   8
127 #define IOPL_SHIFT 12
128 #define VM_SHIFT   17
129 
130 #define TF_MASK                 0x00000100
131 #define IF_MASK                 0x00000200
132 #define DF_MASK                 0x00000400
133 #define IOPL_MASK               0x00003000
134 #define NT_MASK                 0x00004000
135 #define RF_MASK                 0x00010000
136 #define VM_MASK                 0x00020000
137 #define AC_MASK                 0x00040000
138 #define VIF_MASK                0x00080000
139 #define VIP_MASK                0x00100000
140 #define ID_MASK                 0x00200000
141 
142 /* hidden flags - used internally by qemu to represent additional cpu
143    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
144    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
145    positions to ease oring with eflags. */
146 /* current cpl */
147 #define HF_CPL_SHIFT         0
148 /* true if hardware interrupts must be disabled for next instruction */
149 #define HF_INHIBIT_IRQ_SHIFT 3
150 /* 16 or 32 segments */
151 #define HF_CS32_SHIFT        4
152 #define HF_SS32_SHIFT        5
153 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
154 #define HF_ADDSEG_SHIFT      6
155 /* copy of CR0.PE (protected mode) */
156 #define HF_PE_SHIFT          7
157 #define HF_TF_SHIFT          8 /* must be same as eflags */
158 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
159 #define HF_EM_SHIFT         10
160 #define HF_TS_SHIFT         11
161 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
162 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
163 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
164 #define HF_RF_SHIFT         16 /* must be same as eflags */
165 #define HF_VM_SHIFT         17 /* must be same as eflags */
166 #define HF_AC_SHIFT         18 /* must be same as eflags */
167 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
168 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
169 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
170 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
171 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
172 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
173 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
174 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
175 #define HF_UMIP_SHIFT       27 /* CR4.UMIP */
176 #define HF_AVX_EN_SHIFT     28 /* AVX Enabled (CR4+XCR0) */
177 
178 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
179 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
180 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
181 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
182 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
183 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
184 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
185 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
186 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
187 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
188 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
189 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
190 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
191 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
192 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
193 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
194 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
195 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
196 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
197 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
198 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
199 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
200 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
201 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
202 #define HF_UMIP_MASK         (1 << HF_UMIP_SHIFT)
203 #define HF_AVX_EN_MASK       (1 << HF_AVX_EN_SHIFT)
204 
205 /* hflags2 */
206 
207 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
208 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
209 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
210 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
211 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
212 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
213 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
214 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
215 #define HF2_VGIF_SHIFT           8 /* Can take VIRQ*/
216 
217 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
218 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
219 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
220 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
221 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
222 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
223 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
224 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
225 #define HF2_VGIF_MASK           (1 << HF2_VGIF_SHIFT)
226 
227 #define CR0_PE_SHIFT 0
228 #define CR0_MP_SHIFT 1
229 
230 #define CR0_PE_MASK  (1U << 0)
231 #define CR0_MP_MASK  (1U << 1)
232 #define CR0_EM_MASK  (1U << 2)
233 #define CR0_TS_MASK  (1U << 3)
234 #define CR0_ET_MASK  (1U << 4)
235 #define CR0_NE_MASK  (1U << 5)
236 #define CR0_WP_MASK  (1U << 16)
237 #define CR0_AM_MASK  (1U << 18)
238 #define CR0_NW_MASK  (1U << 29)
239 #define CR0_CD_MASK  (1U << 30)
240 #define CR0_PG_MASK  (1U << 31)
241 
242 #define CR4_VME_MASK  (1U << 0)
243 #define CR4_PVI_MASK  (1U << 1)
244 #define CR4_TSD_MASK  (1U << 2)
245 #define CR4_DE_MASK   (1U << 3)
246 #define CR4_PSE_MASK  (1U << 4)
247 #define CR4_PAE_MASK  (1U << 5)
248 #define CR4_MCE_MASK  (1U << 6)
249 #define CR4_PGE_MASK  (1U << 7)
250 #define CR4_PCE_MASK  (1U << 8)
251 #define CR4_OSFXSR_SHIFT 9
252 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
253 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
254 #define CR4_UMIP_MASK   (1U << 11)
255 #define CR4_LA57_MASK   (1U << 12)
256 #define CR4_VMXE_MASK   (1U << 13)
257 #define CR4_SMXE_MASK   (1U << 14)
258 #define CR4_FSGSBASE_MASK (1U << 16)
259 #define CR4_PCIDE_MASK  (1U << 17)
260 #define CR4_OSXSAVE_MASK (1U << 18)
261 #define CR4_SMEP_MASK   (1U << 20)
262 #define CR4_SMAP_MASK   (1U << 21)
263 #define CR4_PKE_MASK   (1U << 22)
264 #define CR4_PKS_MASK   (1U << 24)
265 #define CR4_LAM_SUP_MASK (1U << 28)
266 
267 #ifdef TARGET_X86_64
268 #define CR4_FRED_MASK   (1ULL << 32)
269 #else
270 #define CR4_FRED_MASK   0
271 #endif
272 
273 #define CR4_RESERVED_MASK \
274 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
275                 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
276                 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
277                 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK | CR4_UMIP_MASK \
278                 | CR4_LA57_MASK \
279                 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
280                 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK \
281                 | CR4_LAM_SUP_MASK | CR4_FRED_MASK))
282 
283 #define DR6_BD          (1 << 13)
284 #define DR6_BS          (1 << 14)
285 #define DR6_BT          (1 << 15)
286 #define DR6_FIXED_1     0xffff0ff0
287 
288 #define DR7_GD          (1 << 13)
289 #define DR7_TYPE_SHIFT  16
290 #define DR7_LEN_SHIFT   18
291 #define DR7_FIXED_1     0x00000400
292 #define DR7_GLOBAL_BP_MASK   0xaa
293 #define DR7_LOCAL_BP_MASK    0x55
294 #define DR7_MAX_BP           4
295 #define DR7_TYPE_BP_INST     0x0
296 #define DR7_TYPE_DATA_WR     0x1
297 #define DR7_TYPE_IO_RW       0x2
298 #define DR7_TYPE_DATA_RW     0x3
299 
300 #define DR_RESERVED_MASK 0xffffffff00000000ULL
301 
302 #define PG_PRESENT_BIT  0
303 #define PG_RW_BIT       1
304 #define PG_USER_BIT     2
305 #define PG_PWT_BIT      3
306 #define PG_PCD_BIT      4
307 #define PG_ACCESSED_BIT 5
308 #define PG_DIRTY_BIT    6
309 #define PG_PSE_BIT      7
310 #define PG_GLOBAL_BIT   8
311 #define PG_PSE_PAT_BIT  12
312 #define PG_PKRU_BIT     59
313 #define PG_NX_BIT       63
314 
315 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
316 #define PG_RW_MASK       (1 << PG_RW_BIT)
317 #define PG_USER_MASK     (1 << PG_USER_BIT)
318 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
319 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
320 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
321 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
322 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
323 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
324 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
325 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
326 #define PG_HI_USER_MASK  0x7ff0000000000000LL
327 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
328 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
329 
330 #define PG_ERROR_W_BIT     1
331 
332 #define PG_ERROR_P_MASK    0x01
333 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
334 #define PG_ERROR_U_MASK    0x04
335 #define PG_ERROR_RSVD_MASK 0x08
336 #define PG_ERROR_I_D_MASK  0x10
337 #define PG_ERROR_PK_MASK   0x20
338 
339 #define PG_MODE_PAE      (1 << 0)
340 #define PG_MODE_LMA      (1 << 1)
341 #define PG_MODE_NXE      (1 << 2)
342 #define PG_MODE_PSE      (1 << 3)
343 #define PG_MODE_LA57     (1 << 4)
344 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15)
345 
346 /* Bits of CR4 that do not affect the NPT page format.  */
347 #define PG_MODE_WP       (1 << 16)
348 #define PG_MODE_PKE      (1 << 17)
349 #define PG_MODE_PKS      (1 << 18)
350 #define PG_MODE_SMEP     (1 << 19)
351 #define PG_MODE_PG       (1 << 20)
352 
353 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
354 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
355 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
356 
357 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
358 #define MCE_BANKS_DEF   10
359 
360 #define MCG_CAP_BANKS_MASK 0xff
361 
362 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
363 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
364 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
365 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
366 
367 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
368 
369 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
370 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
371 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
372 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
373 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
374 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
375 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
376 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
377 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
378 #define MCI_STATUS_DEFERRED    (1ULL<<44)  /* Deferred error */
379 #define MCI_STATUS_POISON      (1ULL<<43)  /* Poisoned data consumed */
380 
381 /* MISC register defines */
382 #define MCM_ADDR_SEGOFF  0      /* segment offset */
383 #define MCM_ADDR_LINEAR  1      /* linear address */
384 #define MCM_ADDR_PHYS    2      /* physical address */
385 #define MCM_ADDR_MEM     3      /* memory address */
386 #define MCM_ADDR_GENERIC 7      /* generic */
387 
388 #define MSR_IA32_TSC                    0x10
389 #define MSR_IA32_APICBASE               0x1b
390 #define MSR_IA32_APICBASE_BSP           (1<<8)
391 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
392 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
393 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
394 #define MSR_IA32_APICBASE_RESERVED \
395         (~(uint64_t)(MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE \
396                      | MSR_IA32_APICBASE_EXTD | MSR_IA32_APICBASE_BASE))
397 
398 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
399 #define MSR_TSC_ADJUST                  0x0000003b
400 #define MSR_IA32_SPEC_CTRL              0x48
401 #define MSR_VIRT_SSBD                   0xc001011f
402 #define MSR_IA32_PRED_CMD               0x49
403 #define MSR_IA32_UCODE_REV              0x8b
404 #define MSR_IA32_CORE_CAPABILITY        0xcf
405 
406 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
407 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
408 
409 #define MSR_IA32_PERF_CAPABILITIES      0x345
410 #define PERF_CAP_LBR_FMT                0x3f
411 
412 #define MSR_IA32_TSX_CTRL		0x122
413 #define MSR_IA32_TSCDEADLINE            0x6e0
414 #define MSR_IA32_PKRS                   0x6e1
415 #define MSR_RAPL_POWER_UNIT             0x00000606
416 #define MSR_PKG_POWER_LIMIT             0x00000610
417 #define MSR_PKG_ENERGY_STATUS           0x00000611
418 #define MSR_PKG_POWER_INFO              0x00000614
419 #define MSR_ARCH_LBR_CTL                0x000014ce
420 #define MSR_ARCH_LBR_DEPTH              0x000014cf
421 #define MSR_ARCH_LBR_FROM_0             0x00001500
422 #define MSR_ARCH_LBR_TO_0               0x00001600
423 #define MSR_ARCH_LBR_INFO_0             0x00001200
424 
425 #define FEATURE_CONTROL_LOCKED                    (1<<0)
426 #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX  (1ULL << 1)
427 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
428 #define FEATURE_CONTROL_SGX_LC                    (1ULL << 17)
429 #define FEATURE_CONTROL_SGX                       (1ULL << 18)
430 #define FEATURE_CONTROL_LMCE                      (1<<20)
431 
432 #define MSR_IA32_SGXLEPUBKEYHASH0       0x8c
433 #define MSR_IA32_SGXLEPUBKEYHASH1       0x8d
434 #define MSR_IA32_SGXLEPUBKEYHASH2       0x8e
435 #define MSR_IA32_SGXLEPUBKEYHASH3       0x8f
436 
437 #define MSR_P6_PERFCTR0                 0xc1
438 
439 #define MSR_IA32_SMBASE                 0x9e
440 #define MSR_SMI_COUNT                   0x34
441 #define MSR_CORE_THREAD_COUNT           0x35
442 #define MSR_MTRRcap                     0xfe
443 #define MSR_MTRRcap_VCNT                8
444 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
445 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
446 
447 #define MSR_IA32_SYSENTER_CS            0x174
448 #define MSR_IA32_SYSENTER_ESP           0x175
449 #define MSR_IA32_SYSENTER_EIP           0x176
450 
451 #define MSR_MCG_CAP                     0x179
452 #define MSR_MCG_STATUS                  0x17a
453 #define MSR_MCG_CTL                     0x17b
454 #define MSR_MCG_EXT_CTL                 0x4d0
455 
456 #define MSR_P6_EVNTSEL0                 0x186
457 
458 #define MSR_IA32_PERF_STATUS            0x198
459 
460 #define MSR_IA32_MISC_ENABLE            0x1a0
461 /* Indicates good rep/movs microcode on some processors: */
462 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
463 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
464 
465 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
466 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
467 
468 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
469 
470 #define MSR_MTRRfix64K_00000            0x250
471 #define MSR_MTRRfix16K_80000            0x258
472 #define MSR_MTRRfix16K_A0000            0x259
473 #define MSR_MTRRfix4K_C0000             0x268
474 #define MSR_MTRRfix4K_C8000             0x269
475 #define MSR_MTRRfix4K_D0000             0x26a
476 #define MSR_MTRRfix4K_D8000             0x26b
477 #define MSR_MTRRfix4K_E0000             0x26c
478 #define MSR_MTRRfix4K_E8000             0x26d
479 #define MSR_MTRRfix4K_F0000             0x26e
480 #define MSR_MTRRfix4K_F8000             0x26f
481 
482 #define MSR_PAT                         0x277
483 
484 #define MSR_MTRRdefType                 0x2ff
485 
486 #define MSR_CORE_PERF_FIXED_CTR0        0x309
487 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
488 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
489 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
490 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
491 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
492 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
493 
494 #define MSR_MC0_CTL                     0x400
495 #define MSR_MC0_STATUS                  0x401
496 #define MSR_MC0_ADDR                    0x402
497 #define MSR_MC0_MISC                    0x403
498 
499 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
500 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
501 #define MSR_IA32_RTIT_CTL               0x570
502 #define MSR_IA32_RTIT_STATUS            0x571
503 #define MSR_IA32_RTIT_CR3_MATCH         0x572
504 #define MSR_IA32_RTIT_ADDR0_A           0x580
505 #define MSR_IA32_RTIT_ADDR0_B           0x581
506 #define MSR_IA32_RTIT_ADDR1_A           0x582
507 #define MSR_IA32_RTIT_ADDR1_B           0x583
508 #define MSR_IA32_RTIT_ADDR2_A           0x584
509 #define MSR_IA32_RTIT_ADDR2_B           0x585
510 #define MSR_IA32_RTIT_ADDR3_A           0x586
511 #define MSR_IA32_RTIT_ADDR3_B           0x587
512 #define MAX_RTIT_ADDRS                  8
513 
514 #define MSR_EFER                        0xc0000080
515 
516 #define MSR_EFER_SCE   (1 << 0)
517 #define MSR_EFER_LME   (1 << 8)
518 #define MSR_EFER_LMA   (1 << 10)
519 #define MSR_EFER_NXE   (1 << 11)
520 #define MSR_EFER_SVME  (1 << 12)
521 #define MSR_EFER_FFXSR (1 << 14)
522 
523 #define MSR_EFER_RESERVED\
524         (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\
525             | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\
526             | MSR_EFER_FFXSR))
527 
528 #define MSR_STAR                        0xc0000081
529 #define MSR_LSTAR                       0xc0000082
530 #define MSR_CSTAR                       0xc0000083
531 #define MSR_FMASK                       0xc0000084
532 #define MSR_FSBASE                      0xc0000100
533 #define MSR_GSBASE                      0xc0000101
534 #define MSR_KERNELGSBASE                0xc0000102
535 #define MSR_TSC_AUX                     0xc0000103
536 #define MSR_AMD64_TSC_RATIO             0xc0000104
537 
538 #define MSR_AMD64_TSC_RATIO_DEFAULT     0x100000000ULL
539 
540 #define MSR_K7_HWCR                     0xc0010015
541 
542 #define MSR_VM_HSAVE_PA                 0xc0010117
543 
544 #define MSR_IA32_XFD                    0x000001c4
545 #define MSR_IA32_XFD_ERR                0x000001c5
546 
547 /* FRED MSRs */
548 #define MSR_IA32_FRED_RSP0              0x000001cc       /* Stack level 0 regular stack pointer */
549 #define MSR_IA32_FRED_RSP1              0x000001cd       /* Stack level 1 regular stack pointer */
550 #define MSR_IA32_FRED_RSP2              0x000001ce       /* Stack level 2 regular stack pointer */
551 #define MSR_IA32_FRED_RSP3              0x000001cf       /* Stack level 3 regular stack pointer */
552 #define MSR_IA32_FRED_STKLVLS           0x000001d0       /* FRED exception stack levels */
553 #define MSR_IA32_FRED_SSP1              0x000001d1       /* Stack level 1 shadow stack pointer in ring 0 */
554 #define MSR_IA32_FRED_SSP2              0x000001d2       /* Stack level 2 shadow stack pointer in ring 0 */
555 #define MSR_IA32_FRED_SSP3              0x000001d3       /* Stack level 3 shadow stack pointer in ring 0 */
556 #define MSR_IA32_FRED_CONFIG            0x000001d4       /* FRED Entrypoint and interrupt stack level */
557 
558 #define MSR_IA32_BNDCFGS                0x00000d90
559 #define MSR_IA32_XSS                    0x00000da0
560 #define MSR_IA32_UMWAIT_CONTROL         0xe1
561 
562 #define MSR_IA32_VMX_BASIC              0x00000480
563 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
564 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
565 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
566 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
567 #define MSR_IA32_VMX_MISC               0x00000485
568 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
569 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
570 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
571 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
572 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
573 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
574 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
575 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
576 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
577 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
578 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
579 #define MSR_IA32_VMX_VMFUNC             0x00000491
580 
581 #define MSR_APIC_START                  0x00000800
582 #define MSR_APIC_END                    0x000008ff
583 
584 #define XSTATE_FP_BIT                   0
585 #define XSTATE_SSE_BIT                  1
586 #define XSTATE_YMM_BIT                  2
587 #define XSTATE_BNDREGS_BIT              3
588 #define XSTATE_BNDCSR_BIT               4
589 #define XSTATE_OPMASK_BIT               5
590 #define XSTATE_ZMM_Hi256_BIT            6
591 #define XSTATE_Hi16_ZMM_BIT             7
592 #define XSTATE_PKRU_BIT                 9
593 #define XSTATE_ARCH_LBR_BIT             15
594 #define XSTATE_XTILE_CFG_BIT            17
595 #define XSTATE_XTILE_DATA_BIT           18
596 
597 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
598 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
599 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
600 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
601 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
602 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
603 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
604 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
605 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
606 #define XSTATE_ARCH_LBR_MASK            (1ULL << XSTATE_ARCH_LBR_BIT)
607 #define XSTATE_XTILE_CFG_MASK           (1ULL << XSTATE_XTILE_CFG_BIT)
608 #define XSTATE_XTILE_DATA_MASK          (1ULL << XSTATE_XTILE_DATA_BIT)
609 
610 #define XSTATE_DYNAMIC_MASK             (XSTATE_XTILE_DATA_MASK)
611 
612 #define ESA_FEATURE_ALIGN64_BIT         1
613 #define ESA_FEATURE_XFD_BIT             2
614 
615 #define ESA_FEATURE_ALIGN64_MASK        (1U << ESA_FEATURE_ALIGN64_BIT)
616 #define ESA_FEATURE_XFD_MASK            (1U << ESA_FEATURE_XFD_BIT)
617 
618 
619 /* CPUID feature bits available in XCR0 */
620 #define CPUID_XSTATE_XCR0_MASK  (XSTATE_FP_MASK | XSTATE_SSE_MASK | \
621                                  XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | \
622                                  XSTATE_BNDCSR_MASK | XSTATE_OPMASK_MASK | \
623                                  XSTATE_ZMM_Hi256_MASK | \
624                                  XSTATE_Hi16_ZMM_MASK | XSTATE_PKRU_MASK | \
625                                  XSTATE_XTILE_CFG_MASK | XSTATE_XTILE_DATA_MASK)
626 
627 /* CPUID feature words */
628 typedef enum FeatureWord {
629     FEAT_1_EDX,         /* CPUID[1].EDX */
630     FEAT_1_ECX,         /* CPUID[1].ECX */
631     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
632     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
633     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
634     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
635     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
636     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
637     FEAT_8000_0007_EBX, /* CPUID[8000_0007].EBX */
638     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
639     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
640     FEAT_8000_0021_EAX, /* CPUID[8000_0021].EAX */
641     FEAT_8000_0021_EBX, /* CPUID[8000_0021].EBX */
642     FEAT_8000_0022_EAX, /* CPUID[8000_0022].EAX */
643     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
644     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
645     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
646     FEAT_SVM,           /* CPUID[8000_000A].EDX */
647     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
648     FEAT_6_EAX,         /* CPUID[6].EAX */
649     FEAT_XSAVE_XCR0_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
650     FEAT_XSAVE_XCR0_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
651     FEAT_ARCH_CAPABILITIES,
652     FEAT_CORE_CAPABILITY,
653     FEAT_PERF_CAPABILITIES,
654     FEAT_VMX_PROCBASED_CTLS,
655     FEAT_VMX_SECONDARY_CTLS,
656     FEAT_VMX_PINBASED_CTLS,
657     FEAT_VMX_EXIT_CTLS,
658     FEAT_VMX_ENTRY_CTLS,
659     FEAT_VMX_MISC,
660     FEAT_VMX_EPT_VPID_CAPS,
661     FEAT_VMX_BASIC,
662     FEAT_VMX_VMFUNC,
663     FEAT_14_0_ECX,
664     FEAT_SGX_12_0_EAX,  /* CPUID[EAX=0x12,ECX=0].EAX (SGX) */
665     FEAT_SGX_12_0_EBX,  /* CPUID[EAX=0x12,ECX=0].EBX (SGX MISCSELECT[31:0]) */
666     FEAT_SGX_12_1_EAX,  /* CPUID[EAX=0x12,ECX=1].EAX (SGX ATTRIBUTES[31:0]) */
667     FEAT_XSAVE_XSS_LO,     /* CPUID[EAX=0xd,ECX=1].ECX */
668     FEAT_XSAVE_XSS_HI,     /* CPUID[EAX=0xd,ECX=1].EDX */
669     FEAT_7_1_EDX,       /* CPUID[EAX=7,ECX=1].EDX */
670     FEAT_7_2_EDX,       /* CPUID[EAX=7,ECX=2].EDX */
671     FEAT_24_0_EBX,      /* CPUID[EAX=0x24,ECX=0].EBX */
672     FEATURE_WORDS,
673 } FeatureWord;
674 
675 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
676 uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w);
677 
678 /* cpuid_features bits */
679 #define CPUID_FP87 (1U << 0)
680 #define CPUID_VME  (1U << 1)
681 #define CPUID_DE   (1U << 2)
682 #define CPUID_PSE  (1U << 3)
683 #define CPUID_TSC  (1U << 4)
684 #define CPUID_MSR  (1U << 5)
685 #define CPUID_PAE  (1U << 6)
686 #define CPUID_MCE  (1U << 7)
687 #define CPUID_CX8  (1U << 8)
688 #define CPUID_APIC (1U << 9)
689 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
690 #define CPUID_MTRR (1U << 12)
691 #define CPUID_PGE  (1U << 13)
692 #define CPUID_MCA  (1U << 14)
693 #define CPUID_CMOV (1U << 15)
694 #define CPUID_PAT  (1U << 16)
695 #define CPUID_PSE36   (1U << 17)
696 #define CPUID_PN   (1U << 18)
697 #define CPUID_CLFLUSH (1U << 19)
698 #define CPUID_DTS (1U << 21)
699 #define CPUID_ACPI (1U << 22)
700 #define CPUID_MMX  (1U << 23)
701 #define CPUID_FXSR (1U << 24)
702 #define CPUID_SSE  (1U << 25)
703 #define CPUID_SSE2 (1U << 26)
704 #define CPUID_SS (1U << 27)
705 #define CPUID_HT (1U << 28)
706 #define CPUID_TM (1U << 29)
707 #define CPUID_IA64 (1U << 30)
708 #define CPUID_PBE (1U << 31)
709 
710 #define CPUID_EXT_SSE3     (1U << 0)
711 #define CPUID_EXT_PCLMULQDQ (1U << 1)
712 #define CPUID_EXT_DTES64   (1U << 2)
713 #define CPUID_EXT_MONITOR  (1U << 3)
714 #define CPUID_EXT_DSCPL    (1U << 4)
715 #define CPUID_EXT_VMX      (1U << 5)
716 #define CPUID_EXT_SMX      (1U << 6)
717 #define CPUID_EXT_EST      (1U << 7)
718 #define CPUID_EXT_TM2      (1U << 8)
719 #define CPUID_EXT_SSSE3    (1U << 9)
720 #define CPUID_EXT_CID      (1U << 10)
721 #define CPUID_EXT_FMA      (1U << 12)
722 #define CPUID_EXT_CX16     (1U << 13)
723 #define CPUID_EXT_XTPR     (1U << 14)
724 #define CPUID_EXT_PDCM     (1U << 15)
725 #define CPUID_EXT_PCID     (1U << 17)
726 #define CPUID_EXT_DCA      (1U << 18)
727 #define CPUID_EXT_SSE41    (1U << 19)
728 #define CPUID_EXT_SSE42    (1U << 20)
729 #define CPUID_EXT_X2APIC   (1U << 21)
730 #define CPUID_EXT_MOVBE    (1U << 22)
731 #define CPUID_EXT_POPCNT   (1U << 23)
732 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
733 #define CPUID_EXT_AES      (1U << 25)
734 #define CPUID_EXT_XSAVE    (1U << 26)
735 #define CPUID_EXT_OSXSAVE  (1U << 27)
736 #define CPUID_EXT_AVX      (1U << 28)
737 #define CPUID_EXT_F16C     (1U << 29)
738 #define CPUID_EXT_RDRAND   (1U << 30)
739 #define CPUID_EXT_HYPERVISOR  (1U << 31)
740 
741 #define CPUID_EXT2_FPU     (1U << 0)
742 #define CPUID_EXT2_VME     (1U << 1)
743 #define CPUID_EXT2_DE      (1U << 2)
744 #define CPUID_EXT2_PSE     (1U << 3)
745 #define CPUID_EXT2_TSC     (1U << 4)
746 #define CPUID_EXT2_MSR     (1U << 5)
747 #define CPUID_EXT2_PAE     (1U << 6)
748 #define CPUID_EXT2_MCE     (1U << 7)
749 #define CPUID_EXT2_CX8     (1U << 8)
750 #define CPUID_EXT2_APIC    (1U << 9)
751 #define CPUID_EXT2_SYSCALL (1U << 11)
752 #define CPUID_EXT2_MTRR    (1U << 12)
753 #define CPUID_EXT2_PGE     (1U << 13)
754 #define CPUID_EXT2_MCA     (1U << 14)
755 #define CPUID_EXT2_CMOV    (1U << 15)
756 #define CPUID_EXT2_PAT     (1U << 16)
757 #define CPUID_EXT2_PSE36   (1U << 17)
758 #define CPUID_EXT2_MP      (1U << 19)
759 #define CPUID_EXT2_NX      (1U << 20)
760 #define CPUID_EXT2_MMXEXT  (1U << 22)
761 #define CPUID_EXT2_MMX     (1U << 23)
762 #define CPUID_EXT2_FXSR    (1U << 24)
763 #define CPUID_EXT2_FFXSR   (1U << 25)
764 #define CPUID_EXT2_PDPE1GB (1U << 26)
765 #define CPUID_EXT2_RDTSCP  (1U << 27)
766 #define CPUID_EXT2_LM      (1U << 29)
767 #define CPUID_EXT2_3DNOWEXT (1U << 30)
768 #define CPUID_EXT2_3DNOW   (1U << 31)
769 
770 /* CPUID[8000_0001].EDX bits that are aliases of CPUID[1].EDX bits on AMD CPUs */
771 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
772                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
773                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
774                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
775                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
776                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
777                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
778                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
779                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
780 
781 #define CPUID_EXT3_LAHF_LM (1U << 0)
782 #define CPUID_EXT3_CMP_LEG (1U << 1)
783 #define CPUID_EXT3_SVM     (1U << 2)
784 #define CPUID_EXT3_EXTAPIC (1U << 3)
785 #define CPUID_EXT3_CR8LEG  (1U << 4)
786 #define CPUID_EXT3_ABM     (1U << 5)
787 #define CPUID_EXT3_SSE4A   (1U << 6)
788 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
789 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
790 #define CPUID_EXT3_OSVW    (1U << 9)
791 #define CPUID_EXT3_IBS     (1U << 10)
792 #define CPUID_EXT3_XOP     (1U << 11)
793 #define CPUID_EXT3_SKINIT  (1U << 12)
794 #define CPUID_EXT3_WDT     (1U << 13)
795 #define CPUID_EXT3_LWP     (1U << 15)
796 #define CPUID_EXT3_FMA4    (1U << 16)
797 #define CPUID_EXT3_TCE     (1U << 17)
798 #define CPUID_EXT3_NODEID  (1U << 19)
799 #define CPUID_EXT3_TBM     (1U << 21)
800 #define CPUID_EXT3_TOPOEXT (1U << 22)
801 #define CPUID_EXT3_PERFCORE (1U << 23)
802 #define CPUID_EXT3_PERFNB  (1U << 24)
803 
804 #define CPUID_SVM_NPT             (1U << 0)
805 #define CPUID_SVM_LBRV            (1U << 1)
806 #define CPUID_SVM_SVMLOCK         (1U << 2)
807 #define CPUID_SVM_NRIPSAVE        (1U << 3)
808 #define CPUID_SVM_TSCSCALE        (1U << 4)
809 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
810 #define CPUID_SVM_FLUSHASID       (1U << 6)
811 #define CPUID_SVM_DECODEASSIST    (1U << 7)
812 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
813 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
814 #define CPUID_SVM_AVIC            (1U << 13)
815 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
816 #define CPUID_SVM_VGIF            (1U << 16)
817 #define CPUID_SVM_VNMI            (1U << 25)
818 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
819 
820 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
821 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
822 /* Support TSC adjust MSR */
823 #define CPUID_7_0_EBX_TSC_ADJUST        (1U << 1)
824 /* Support SGX */
825 #define CPUID_7_0_EBX_SGX               (1U << 2)
826 /* 1st Group of Advanced Bit Manipulation Extensions */
827 #define CPUID_7_0_EBX_BMI1              (1U << 3)
828 /* Hardware Lock Elision */
829 #define CPUID_7_0_EBX_HLE               (1U << 4)
830 /* Intel Advanced Vector Extensions 2 */
831 #define CPUID_7_0_EBX_AVX2              (1U << 5)
832 /* FPU data pointer updated only on x87 exceptions */
833 #define CPUID_7_0_EBX_FDP_EXCPTN_ONLY (1u << 6)
834 /* Supervisor-mode Execution Prevention */
835 #define CPUID_7_0_EBX_SMEP              (1U << 7)
836 /* 2nd Group of Advanced Bit Manipulation Extensions */
837 #define CPUID_7_0_EBX_BMI2              (1U << 8)
838 /* Enhanced REP MOVSB/STOSB */
839 #define CPUID_7_0_EBX_ERMS              (1U << 9)
840 /* Invalidate Process-Context Identifier */
841 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
842 /* Restricted Transactional Memory */
843 #define CPUID_7_0_EBX_RTM               (1U << 11)
844 /* Zero out FPU CS and FPU DS */
845 #define CPUID_7_0_EBX_ZERO_FCS_FDS      (1U << 13)
846 /* Memory Protection Extension */
847 #define CPUID_7_0_EBX_MPX               (1U << 14)
848 /* AVX-512 Foundation */
849 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
850 /* AVX-512 Doubleword & Quadword Instruction */
851 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
852 /* Read Random SEED */
853 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
854 /* ADCX and ADOX instructions */
855 #define CPUID_7_0_EBX_ADX               (1U << 19)
856 /* Supervisor Mode Access Prevention */
857 #define CPUID_7_0_EBX_SMAP              (1U << 20)
858 /* AVX-512 Integer Fused Multiply Add */
859 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
860 /* Flush a Cache Line Optimized */
861 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
862 /* Cache Line Write Back */
863 #define CPUID_7_0_EBX_CLWB              (1U << 24)
864 /* Intel Processor Trace */
865 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
866 /* AVX-512 Prefetch */
867 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
868 /* AVX-512 Exponential and Reciprocal */
869 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
870 /* AVX-512 Conflict Detection */
871 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
872 /* SHA1/SHA256 Instruction Extensions */
873 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
874 /* AVX-512 Byte and Word Instructions */
875 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
876 /* AVX-512 Vector Length Extensions */
877 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
878 
879 /* AVX-512 Vector Byte Manipulation Instruction */
880 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
881 /* User-Mode Instruction Prevention */
882 #define CPUID_7_0_ECX_UMIP              (1U << 2)
883 /* Protection Keys for User-mode Pages */
884 #define CPUID_7_0_ECX_PKU               (1U << 3)
885 /* OS Enable Protection Keys */
886 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
887 /* UMONITOR/UMWAIT/TPAUSE Instructions */
888 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
889 /* Additional AVX-512 Vector Byte Manipulation Instruction */
890 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
891 /* Galois Field New Instructions */
892 #define CPUID_7_0_ECX_GFNI              (1U << 8)
893 /* Vector AES Instructions */
894 #define CPUID_7_0_ECX_VAES              (1U << 9)
895 /* Carry-Less Multiplication Quadword */
896 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
897 /* Vector Neural Network Instructions */
898 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
899 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
900 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
901 /* POPCNT for vectors of DW/QW */
902 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
903 /* 5-level Page Tables */
904 #define CPUID_7_0_ECX_LA57              (1U << 16)
905 /* Read Processor ID */
906 #define CPUID_7_0_ECX_RDPID             (1U << 22)
907 /* Bus Lock Debug Exception */
908 #define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
909 /* Cache Line Demote Instruction */
910 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
911 /* Move Doubleword as Direct Store Instruction */
912 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
913 /* Move 64 Bytes as Direct Store Instruction */
914 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
915 /* Support SGX Launch Control */
916 #define CPUID_7_0_ECX_SGX_LC            (1U << 30)
917 /* Protection Keys for Supervisor-mode Pages */
918 #define CPUID_7_0_ECX_PKS               (1U << 31)
919 
920 /* AVX512 Neural Network Instructions */
921 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
922 /* AVX512 Multiply Accumulation Single Precision */
923 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
924 /* Fast Short Rep Mov */
925 #define CPUID_7_0_EDX_FSRM              (1U << 4)
926 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
927 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
928 /* SERIALIZE instruction */
929 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
930 /* TSX Suspend Load Address Tracking instruction */
931 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
932 /* Architectural LBRs */
933 #define CPUID_7_0_EDX_ARCH_LBR          (1U << 19)
934 /* AMX_BF16 instruction */
935 #define CPUID_7_0_EDX_AMX_BF16          (1U << 22)
936 /* AVX512_FP16 instruction */
937 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
938 /* AMX tile (two-dimensional register) */
939 #define CPUID_7_0_EDX_AMX_TILE          (1U << 24)
940 /* AMX_INT8 instruction */
941 #define CPUID_7_0_EDX_AMX_INT8          (1U << 25)
942 /* Speculation Control */
943 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
944 /* Single Thread Indirect Branch Predictors */
945 #define CPUID_7_0_EDX_STIBP             (1U << 27)
946 /* Flush L1D cache */
947 #define CPUID_7_0_EDX_FLUSH_L1D         (1U << 28)
948 /* Arch Capabilities */
949 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
950 /* Core Capability */
951 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
952 /* Speculative Store Bypass Disable */
953 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
954 
955 /* SHA512 Instruction */
956 #define CPUID_7_1_EAX_SHA512            (1U << 0)
957 /* SM3 Instruction */
958 #define CPUID_7_1_EAX_SM3               (1U << 1)
959 /* SM4 Instruction */
960 #define CPUID_7_1_EAX_SM4               (1U << 2)
961 /* AVX VNNI Instruction */
962 #define CPUID_7_1_EAX_AVX_VNNI          (1U << 4)
963 /* AVX512 BFloat16 Instruction */
964 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
965 /* CMPCCXADD Instructions */
966 #define CPUID_7_1_EAX_CMPCCXADD         (1U << 7)
967 /* Fast Zero REP MOVS */
968 #define CPUID_7_1_EAX_FZRM              (1U << 10)
969 /* Fast Short REP STOS */
970 #define CPUID_7_1_EAX_FSRS              (1U << 11)
971 /* Fast Short REP CMPS/SCAS */
972 #define CPUID_7_1_EAX_FSRC              (1U << 12)
973 /* Flexible return and event delivery (FRED) */
974 #define CPUID_7_1_EAX_FRED              (1U << 17)
975 /* Load into IA32_KERNEL_GS_BASE (LKGS) */
976 #define CPUID_7_1_EAX_LKGS              (1U << 18)
977 /* Non-Serializing Write to Model Specific Register (WRMSRNS) */
978 #define CPUID_7_1_EAX_WRMSRNS           (1U << 19)
979 /* Support Tile Computational Operations on FP16 Numbers */
980 #define CPUID_7_1_EAX_AMX_FP16          (1U << 21)
981 /* Support for VPMADD52[H,L]UQ */
982 #define CPUID_7_1_EAX_AVX_IFMA          (1U << 23)
983 /* Linear Address Masking */
984 #define CPUID_7_1_EAX_LAM               (1U << 26)
985 
986 /* Support for VPDPB[SU,UU,SS]D[,S] */
987 #define CPUID_7_1_EDX_AVX_VNNI_INT8     (1U << 4)
988 /* AVX NE CONVERT Instructions */
989 #define CPUID_7_1_EDX_AVX_NE_CONVERT    (1U << 5)
990 /* AMX COMPLEX Instructions */
991 #define CPUID_7_1_EDX_AMX_COMPLEX       (1U << 8)
992 /* AVX-VNNI-INT16 Instructions */
993 #define CPUID_7_1_EDX_AVX_VNNI_INT16    (1U << 10)
994 /* PREFETCHIT0/1 Instructions */
995 #define CPUID_7_1_EDX_PREFETCHITI       (1U << 14)
996 /* Support for Advanced Vector Extensions 10 */
997 #define CPUID_7_1_EDX_AVX10             (1U << 19)
998 
999 /* Indicate bit 7 of the IA32_SPEC_CTRL MSR is supported */
1000 #define CPUID_7_2_EDX_PSFD              (1U << 0)
1001 /* Indicate bits 3 and 4 of the IA32_SPEC_CTRL MSR are supported */
1002 #define CPUID_7_2_EDX_IPRED_CTRL        (1U << 1)
1003 /* Indicate bits 5 and 6 of the IA32_SPEC_CTRL MSR are supported */
1004 #define CPUID_7_2_EDX_RRSBA_CTRL        (1U << 2)
1005 /* Indicate bit 8 of the IA32_SPEC_CTRL MSR is supported */
1006 #define CPUID_7_2_EDX_DDPD_U            (1U << 3)
1007 /* Indicate bit 10 of the IA32_SPEC_CTRL MSR is supported */
1008 #define CPUID_7_2_EDX_BHI_CTRL          (1U << 4)
1009 /* Do not exhibit MXCSR Configuration Dependent Timing (MCDT) behavior */
1010 #define CPUID_7_2_EDX_MCDT_NO           (1U << 5)
1011 
1012 /* XFD Extend Feature Disabled */
1013 #define CPUID_D_1_EAX_XFD               (1U << 4)
1014 
1015 /* Packets which contain IP payload have LIP values */
1016 #define CPUID_14_0_ECX_LIP              (1U << 31)
1017 
1018 /* AVX10 128-bit vector support is present */
1019 #define CPUID_24_0_EBX_AVX10_128        (1U << 16)
1020 /* AVX10 256-bit vector support is present */
1021 #define CPUID_24_0_EBX_AVX10_256        (1U << 17)
1022 /* AVX10 512-bit vector support is present */
1023 #define CPUID_24_0_EBX_AVX10_512        (1U << 18)
1024 /* AVX10 vector length support mask */
1025 #define CPUID_24_0_EBX_AVX10_VL_MASK    (CPUID_24_0_EBX_AVX10_128 | \
1026                                          CPUID_24_0_EBX_AVX10_256 | \
1027                                          CPUID_24_0_EBX_AVX10_512)
1028 
1029 /* RAS Features */
1030 #define CPUID_8000_0007_EBX_OVERFLOW_RECOV    (1U << 0)
1031 #define CPUID_8000_0007_EBX_SUCCOR      (1U << 1)
1032 
1033 /* (Old) KVM paravirtualized clocksource */
1034 #define CPUID_KVM_CLOCK            (1U << KVM_FEATURE_CLOCKSOURCE)
1035 /* (New) KVM specific paravirtualized clocksource */
1036 #define CPUID_KVM_CLOCK2           (1U << KVM_FEATURE_CLOCKSOURCE2)
1037 /* KVM asynchronous page fault */
1038 #define CPUID_KVM_ASYNCPF          (1U << KVM_FEATURE_ASYNC_PF)
1039 /* KVM stolen (when guest vCPU is not running) time accounting */
1040 #define CPUID_KVM_STEAL_TIME       (1U << KVM_FEATURE_STEAL_TIME)
1041 /* KVM paravirtualized end-of-interrupt signaling */
1042 #define CPUID_KVM_PV_EOI           (1U << KVM_FEATURE_PV_EOI)
1043 /* KVM paravirtualized spinlocks support */
1044 #define CPUID_KVM_PV_UNHALT        (1U << KVM_FEATURE_PV_UNHALT)
1045 /* KVM host-side polling on HLT control from the guest */
1046 #define CPUID_KVM_POLL_CONTROL     (1U << KVM_FEATURE_POLL_CONTROL)
1047 /* KVM interrupt based asynchronous page fault*/
1048 #define CPUID_KVM_ASYNCPF_INT      (1U << KVM_FEATURE_ASYNC_PF_INT)
1049 /* KVM 'Extended Destination ID' support for external interrupts */
1050 #define CPUID_KVM_MSI_EXT_DEST_ID  (1U << KVM_FEATURE_MSI_EXT_DEST_ID)
1051 
1052 /* Hint to KVM that vCPUs expect never preempted for an unlimited time */
1053 #define CPUID_KVM_HINTS_REALTIME    (1U << KVM_HINTS_REALTIME)
1054 
1055 /* CLZERO instruction */
1056 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
1057 /* Always save/restore FP error pointers */
1058 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
1059 /* Write back and do not invalidate cache */
1060 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
1061 /* Indirect Branch Prediction Barrier */
1062 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
1063 /* Indirect Branch Restricted Speculation */
1064 #define CPUID_8000_0008_EBX_IBRS        (1U << 14)
1065 /* Single Thread Indirect Branch Predictors */
1066 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
1067 /* STIBP mode has enhanced performance and may be left always on */
1068 #define CPUID_8000_0008_EBX_STIBP_ALWAYS_ON    (1U << 17)
1069 /* Speculative Store Bypass Disable */
1070 #define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
1071 /* Paravirtualized Speculative Store Bypass Disable MSR */
1072 #define CPUID_8000_0008_EBX_VIRT_SSBD   (1U << 25)
1073 /* Predictive Store Forwarding Disable */
1074 #define CPUID_8000_0008_EBX_AMD_PSFD    (1U << 28)
1075 
1076 /* Processor ignores nested data breakpoints */
1077 #define CPUID_8000_0021_EAX_NO_NESTED_DATA_BP            (1U << 0)
1078 /* LFENCE is always serializing */
1079 #define CPUID_8000_0021_EAX_LFENCE_ALWAYS_SERIALIZING    (1U << 2)
1080 /* Null Selector Clears Base */
1081 #define CPUID_8000_0021_EAX_NULL_SEL_CLR_BASE            (1U << 6)
1082 /* Automatic IBRS */
1083 #define CPUID_8000_0021_EAX_AUTO_IBRS                    (1U << 8)
1084 /* Enhanced Return Address Predictor Scurity */
1085 #define CPUID_8000_0021_EAX_ERAPS                        (1U << 24)
1086 /* Selective Branch Predictor Barrier */
1087 #define CPUID_8000_0021_EAX_SBPB                         (1U << 27)
1088 /* IBPB includes branch type prediction flushing */
1089 #define CPUID_8000_0021_EAX_IBPB_BRTYPE                  (1U << 28)
1090 /* Not vulnerable to Speculative Return Stack Overflow */
1091 #define CPUID_8000_0021_EAX_SRSO_NO                      (1U << 29)
1092 /* Not vulnerable to SRSO at the user-kernel boundary */
1093 #define CPUID_8000_0021_EAX_SRSO_USER_KERNEL_NO          (1U << 30)
1094 
1095 /*
1096  * Return Address Predictor size. RapSize x 8 is the minimum number of
1097  * CALL instructions software needs to execute to flush the RAP.
1098  */
1099 #define CPUID_8000_0021_EBX_RAPSIZE    (8U << 16)
1100 
1101 /* Performance Monitoring Version 2 */
1102 #define CPUID_8000_0022_EAX_PERFMON_V2  (1U << 0)
1103 
1104 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
1105 #define CPUID_XSAVE_XSAVEC     (1U << 1)
1106 #define CPUID_XSAVE_XGETBV1    (1U << 2)
1107 #define CPUID_XSAVE_XSAVES     (1U << 3)
1108 
1109 #define CPUID_6_EAX_ARAT       (1U << 2)
1110 
1111 /* CPUID[0x80000007].EDX flags: */
1112 #define CPUID_APM_INVTSC       (1U << 8)
1113 
1114 /* "rng" RNG present (xstore) */
1115 #define CPUID_C000_0001_EDX_XSTORE             (1U << 2)
1116 /* "rng_en" RNG enabled */
1117 #define CPUID_C000_0001_EDX_XSTORE_EN          (1U << 3)
1118 /* "ace" on-CPU crypto (xcrypt) */
1119 #define CPUID_C000_0001_EDX_XCRYPT             (1U << 6)
1120 /* "ace_en" on-CPU crypto enabled */
1121 #define CPUID_C000_0001_EDX_XCRYPT_EN          (1U << 7)
1122 /* Advanced Cryptography Engine v2 */
1123 #define CPUID_C000_0001_EDX_ACE2               (1U << 8)
1124 /* ACE v2 enabled */
1125 #define CPUID_C000_0001_EDX_ACE2_EN            (1U << 9)
1126 /* PadLock Hash Engine */
1127 #define CPUID_C000_0001_EDX_PHE                (1U << 10)
1128 /* PHE enabled */
1129 #define CPUID_C000_0001_EDX_PHE_EN             (1U << 11)
1130 /* PadLock Montgomery Multiplier */
1131 #define CPUID_C000_0001_EDX_PMM                (1U << 12)
1132 /* PMM enabled */
1133 #define CPUID_C000_0001_EDX_PMM_EN             (1U << 13)
1134 
1135 #define CPUID_VENDOR_SZ      12
1136 
1137 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
1138 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
1139 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
1140 #define CPUID_VENDOR_INTEL "GenuineIntel"
1141 
1142 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
1143 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
1144 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
1145 #define CPUID_VENDOR_AMD   "AuthenticAMD"
1146 
1147 #define CPUID_VENDOR_ZHAOXIN1_1 0x746E6543 /* "Cent" */
1148 #define CPUID_VENDOR_ZHAOXIN1_2 0x48727561 /* "aurH" */
1149 #define CPUID_VENDOR_ZHAOXIN1_3 0x736C7561 /* "auls" */
1150 
1151 #define CPUID_VENDOR_ZHAOXIN2_1 0x68532020 /* "  Sh" */
1152 #define CPUID_VENDOR_ZHAOXIN2_2 0x68676E61 /* "angh" */
1153 #define CPUID_VENDOR_ZHAOXIN2_3 0x20206961 /* "ai  " */
1154 
1155 #define CPUID_VENDOR_ZHAOXIN1   "CentaurHauls"
1156 #define CPUID_VENDOR_ZHAOXIN2   "  Shanghai  "
1157 
1158 #define CPUID_VENDOR_HYGON    "HygonGenuine"
1159 
1160 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
1161                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
1162                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
1163 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
1164                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
1165                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
1166 #define IS_ZHAOXIN1_CPU(env) \
1167     ((env)->cpuid_vendor1 == CPUID_VENDOR_ZHAOXIN1_1 && \
1168      (env)->cpuid_vendor2 == CPUID_VENDOR_ZHAOXIN1_2 && \
1169      (env)->cpuid_vendor3 == CPUID_VENDOR_ZHAOXIN1_3)
1170 #define IS_ZHAOXIN2_CPU(env) \
1171     ((env)->cpuid_vendor1 == CPUID_VENDOR_ZHAOXIN2_1 && \
1172      (env)->cpuid_vendor2 == CPUID_VENDOR_ZHAOXIN2_2 && \
1173      (env)->cpuid_vendor3 == CPUID_VENDOR_ZHAOXIN2_3)
1174 #define IS_ZHAOXIN_CPU(env) (IS_ZHAOXIN1_CPU(env) || IS_ZHAOXIN2_CPU(env))
1175 
1176 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
1177 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
1178 
1179 /* CPUID[0xB].ECX level types */
1180 #define CPUID_B_ECX_TOPO_LEVEL_INVALID  0
1181 #define CPUID_B_ECX_TOPO_LEVEL_SMT      1
1182 #define CPUID_B_ECX_TOPO_LEVEL_CORE     2
1183 
1184 /* COUID[0x1F].ECX level types */
1185 #define CPUID_1F_ECX_TOPO_LEVEL_INVALID  CPUID_B_ECX_TOPO_LEVEL_INVALID
1186 #define CPUID_1F_ECX_TOPO_LEVEL_SMT      CPUID_B_ECX_TOPO_LEVEL_SMT
1187 #define CPUID_1F_ECX_TOPO_LEVEL_CORE     CPUID_B_ECX_TOPO_LEVEL_CORE
1188 #define CPUID_1F_ECX_TOPO_LEVEL_MODULE   3
1189 #define CPUID_1F_ECX_TOPO_LEVEL_DIE      5
1190 
1191 /* MSR Feature Bits */
1192 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
1193 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
1194 #define MSR_ARCH_CAP_RSBA               (1U << 2)
1195 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
1196 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
1197 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
1198 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
1199 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
1200 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
1201 #define MSR_ARCH_CAP_SBDR_SSDP_NO       (1U << 13)
1202 #define MSR_ARCH_CAP_FBSDP_NO           (1U << 14)
1203 #define MSR_ARCH_CAP_PSDP_NO            (1U << 15)
1204 #define MSR_ARCH_CAP_FB_CLEAR           (1U << 17)
1205 #define MSR_ARCH_CAP_BHI_NO             (1U << 20)
1206 #define MSR_ARCH_CAP_PBRSB_NO           (1U << 24)
1207 #define MSR_ARCH_CAP_GDS_NO             (1U << 26)
1208 #define MSR_ARCH_CAP_RFDS_NO            (1U << 27)
1209 
1210 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
1211 
1212 /* VMX MSR features */
1213 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
1214 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
1215 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
1216 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
1217 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
1218 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
1219 #define MSR_VMX_BASIC_ANY_ERRCODE                    (1ULL << 56)
1220 #define MSR_VMX_BASIC_NESTED_EXCEPTION               (1ULL << 58)
1221 
1222 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
1223 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
1224 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
1225 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
1226 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
1227 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
1228 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
1229 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
1230 
1231 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
1232 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
1233 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
1234 #define MSR_VMX_EPT_UC                               (1ULL << 8)
1235 #define MSR_VMX_EPT_WB                               (1ULL << 14)
1236 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
1237 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
1238 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
1239 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
1240 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
1241 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
1242 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
1243 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
1244 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
1245 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
1246 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
1247 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
1248 
1249 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
1250 
1251 
1252 /* VMX controls */
1253 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
1254 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
1255 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
1256 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
1257 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
1258 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
1259 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
1260 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
1261 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
1262 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
1263 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
1264 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
1265 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
1266 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
1267 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
1268 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
1269 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
1270 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
1271 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
1272 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
1273 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
1274 
1275 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
1276 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
1277 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
1278 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
1279 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
1280 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
1281 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
1282 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
1283 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
1284 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
1285 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
1286 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
1287 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
1288 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
1289 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
1290 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
1291 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
1292 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
1293 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
1294 #define VMX_SECONDARY_EXEC_TSC_SCALING              0x02000000
1295 #define VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE   0x04000000
1296 
1297 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
1298 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
1299 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
1300 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
1301 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
1302 
1303 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
1304 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
1305 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
1306 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
1307 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
1308 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
1309 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
1310 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
1311 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
1312 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
1313 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
1314 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
1315 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
1316 #define VMX_VM_EXIT_ACTIVATE_SECONDARY_CONTROLS     0x80000000
1317 
1318 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
1319 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
1320 #define VMX_VM_ENTRY_SMM                            0x00000400
1321 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
1322 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
1323 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
1324 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
1325 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
1326 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
1327 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
1328 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
1329 
1330 /* Supported Hyper-V Enlightenments */
1331 #define HYPERV_FEAT_RELAXED             0
1332 #define HYPERV_FEAT_VAPIC               1
1333 #define HYPERV_FEAT_TIME                2
1334 #define HYPERV_FEAT_CRASH               3
1335 #define HYPERV_FEAT_RESET               4
1336 #define HYPERV_FEAT_VPINDEX             5
1337 #define HYPERV_FEAT_RUNTIME             6
1338 #define HYPERV_FEAT_SYNIC               7
1339 #define HYPERV_FEAT_STIMER              8
1340 #define HYPERV_FEAT_FREQUENCIES         9
1341 #define HYPERV_FEAT_REENLIGHTENMENT     10
1342 #define HYPERV_FEAT_TLBFLUSH            11
1343 #define HYPERV_FEAT_EVMCS               12
1344 #define HYPERV_FEAT_IPI                 13
1345 #define HYPERV_FEAT_STIMER_DIRECT       14
1346 #define HYPERV_FEAT_AVIC                15
1347 #define HYPERV_FEAT_SYNDBG              16
1348 #define HYPERV_FEAT_MSR_BITMAP          17
1349 #define HYPERV_FEAT_XMM_INPUT           18
1350 #define HYPERV_FEAT_TLBFLUSH_EXT        19
1351 #define HYPERV_FEAT_TLBFLUSH_DIRECT     20
1352 
1353 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1354 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1355 #endif
1356 
1357 #define EXCP00_DIVZ	0
1358 #define EXCP01_DB	1
1359 #define EXCP02_NMI	2
1360 #define EXCP03_INT3	3
1361 #define EXCP04_INTO	4
1362 #define EXCP05_BOUND	5
1363 #define EXCP06_ILLOP	6
1364 #define EXCP07_PREX	7
1365 #define EXCP08_DBLE	8
1366 #define EXCP09_XERR	9
1367 #define EXCP0A_TSS	10
1368 #define EXCP0B_NOSEG	11
1369 #define EXCP0C_STACK	12
1370 #define EXCP0D_GPF	13
1371 #define EXCP0E_PAGE	14
1372 #define EXCP10_COPR	16
1373 #define EXCP11_ALGN	17
1374 #define EXCP12_MCHK	18
1375 
1376 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1377 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1378 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1379 
1380 /* i386-specific interrupt pending bits.  */
1381 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1382 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1383 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1384 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1385 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1386 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1387 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1388 
1389 /* Use a clearer name for this.  */
1390 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1391 
1392 #define CC_OP_HAS_EFLAGS(op) ((op) >= CC_OP_EFLAGS && (op) <= CC_OP_ADCOX)
1393 
1394 /* Instead of computing the condition codes after each x86 instruction,
1395  * QEMU just stores one operand (called CC_SRC), the result
1396  * (called CC_DST) and the type of operation (called CC_OP). When the
1397  * condition codes are needed, the condition codes can be calculated
1398  * using this information. Condition codes are not generated if they
1399  * are only needed for conditional branches.
1400  */
1401 typedef enum {
1402     CC_OP_EFLAGS = 0,  /* all cc are explicitly computed, CC_SRC = flags */
1403     CC_OP_ADCX = 1,    /* CC_DST = C, CC_SRC = rest.  */
1404     CC_OP_ADOX = 2,    /* CC_SRC2 = O, CC_SRC = rest.  */
1405     CC_OP_ADCOX = 3,   /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1406 
1407     /* Low 2 bits = MemOp constant for the size */
1408 #define CC_OP_FIRST_BWLQ CC_OP_MULB
1409     CC_OP_MULB = 4, /* modify all flags, C, O = (CC_SRC != 0) */
1410     CC_OP_MULW,
1411     CC_OP_MULL,
1412     CC_OP_MULQ,
1413 
1414     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1415     CC_OP_ADDW,
1416     CC_OP_ADDL,
1417     CC_OP_ADDQ,
1418 
1419     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1420     CC_OP_ADCW,
1421     CC_OP_ADCL,
1422     CC_OP_ADCQ,
1423 
1424     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1425     CC_OP_SUBW,
1426     CC_OP_SUBL,
1427     CC_OP_SUBQ,
1428 
1429     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1430     CC_OP_SBBW,
1431     CC_OP_SBBL,
1432     CC_OP_SBBQ,
1433 
1434     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1435     CC_OP_LOGICW,
1436     CC_OP_LOGICL,
1437     CC_OP_LOGICQ,
1438 
1439     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1440     CC_OP_INCW,
1441     CC_OP_INCL,
1442     CC_OP_INCQ,
1443 
1444     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1445     CC_OP_DECW,
1446     CC_OP_DECL,
1447     CC_OP_DECQ,
1448 
1449     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1450     CC_OP_SHLW,
1451     CC_OP_SHLL,
1452     CC_OP_SHLQ,
1453 
1454     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1455     CC_OP_SARW,
1456     CC_OP_SARL,
1457     CC_OP_SARQ,
1458 
1459     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1460     CC_OP_BMILGW,
1461     CC_OP_BMILGL,
1462     CC_OP_BMILGQ,
1463 
1464     CC_OP_BLSIB, /* Z,S via CC_DST, C = SRC!=0; O=0; P,A undefined */
1465     CC_OP_BLSIW,
1466     CC_OP_BLSIL,
1467     CC_OP_BLSIQ,
1468 
1469     /*
1470      * Note that only CC_OP_POPCNT (i.e. the one with MO_TL size)
1471      * is used or implemented, because the translation needs
1472      * to zero-extend CC_DST anyway.
1473      */
1474     CC_OP_POPCNTB__, /* Z via CC_DST, all other flags clear.  */
1475     CC_OP_POPCNTW__,
1476     CC_OP_POPCNTL__,
1477     CC_OP_POPCNTQ__,
1478     CC_OP_POPCNT = sizeof(target_ulong) == 8 ? CC_OP_POPCNTQ__ : CC_OP_POPCNTL__,
1479 #define CC_OP_LAST_BWLQ CC_OP_POPCNTQ__
1480 
1481     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1482 } CCOp;
1483 
1484 /* See X86DecodedInsn.cc_op, using int8_t. */
1485 QEMU_BUILD_BUG_ON(CC_OP_DYNAMIC > INT8_MAX);
1486 
1487 static inline MemOp cc_op_size(CCOp op)
1488 {
1489     MemOp size = op & 3;
1490 
1491     QEMU_BUILD_BUG_ON(CC_OP_FIRST_BWLQ & 3);
1492     assert(op >= CC_OP_FIRST_BWLQ && op <= CC_OP_LAST_BWLQ);
1493     assert(size <= MO_TL);
1494 
1495     return size;
1496 }
1497 
1498 typedef struct SegmentCache {
1499     uint32_t selector;
1500     target_ulong base;
1501     uint32_t limit;
1502     uint32_t flags;
1503 } SegmentCache;
1504 
1505 typedef union MMXReg {
1506     uint8_t  _b_MMXReg[64 / 8];
1507     uint16_t _w_MMXReg[64 / 16];
1508     uint32_t _l_MMXReg[64 / 32];
1509     uint64_t _q_MMXReg[64 / 64];
1510     float32  _s_MMXReg[64 / 32];
1511     float64  _d_MMXReg[64 / 64];
1512 } MMXReg;
1513 
1514 typedef union XMMReg {
1515     uint64_t _q_XMMReg[128 / 64];
1516 } XMMReg;
1517 
1518 typedef union YMMReg {
1519     uint64_t _q_YMMReg[256 / 64];
1520     XMMReg   _x_YMMReg[256 / 128];
1521 } YMMReg;
1522 
1523 typedef union ZMMReg {
1524     uint8_t  _b_ZMMReg[512 / 8];
1525     uint16_t _w_ZMMReg[512 / 16];
1526     uint32_t _l_ZMMReg[512 / 32];
1527     uint64_t _q_ZMMReg[512 / 64];
1528     float16  _h_ZMMReg[512 / 16];
1529     float32  _s_ZMMReg[512 / 32];
1530     float64  _d_ZMMReg[512 / 64];
1531     XMMReg   _x_ZMMReg[512 / 128];
1532     YMMReg   _y_ZMMReg[512 / 256];
1533 } ZMMReg;
1534 
1535 typedef struct BNDReg {
1536     uint64_t lb;
1537     uint64_t ub;
1538 } BNDReg;
1539 
1540 typedef struct BNDCSReg {
1541     uint64_t cfgu;
1542     uint64_t sts;
1543 } BNDCSReg;
1544 
1545 #define BNDCFG_ENABLE       1ULL
1546 #define BNDCFG_BNDPRESERVE  2ULL
1547 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1548 
1549 #if HOST_BIG_ENDIAN
1550 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1551 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1552 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1553 #define ZMM_H(n) _h_ZMMReg[31 - (n)]
1554 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1555 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1556 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1557 #define ZMM_X(n) _x_ZMMReg[3 - (n)]
1558 #define ZMM_Y(n) _y_ZMMReg[1 - (n)]
1559 
1560 #define XMM_Q(n) _q_XMMReg[1 - (n)]
1561 
1562 #define YMM_Q(n) _q_YMMReg[3 - (n)]
1563 #define YMM_X(n) _x_YMMReg[1 - (n)]
1564 
1565 #define MMX_B(n) _b_MMXReg[7 - (n)]
1566 #define MMX_W(n) _w_MMXReg[3 - (n)]
1567 #define MMX_L(n) _l_MMXReg[1 - (n)]
1568 #define MMX_S(n) _s_MMXReg[1 - (n)]
1569 #else
1570 #define ZMM_B(n) _b_ZMMReg[n]
1571 #define ZMM_W(n) _w_ZMMReg[n]
1572 #define ZMM_L(n) _l_ZMMReg[n]
1573 #define ZMM_H(n) _h_ZMMReg[n]
1574 #define ZMM_S(n) _s_ZMMReg[n]
1575 #define ZMM_Q(n) _q_ZMMReg[n]
1576 #define ZMM_D(n) _d_ZMMReg[n]
1577 #define ZMM_X(n) _x_ZMMReg[n]
1578 #define ZMM_Y(n) _y_ZMMReg[n]
1579 
1580 #define XMM_Q(n) _q_XMMReg[n]
1581 
1582 #define YMM_Q(n) _q_YMMReg[n]
1583 #define YMM_X(n) _x_YMMReg[n]
1584 
1585 #define MMX_B(n) _b_MMXReg[n]
1586 #define MMX_W(n) _w_MMXReg[n]
1587 #define MMX_L(n) _l_MMXReg[n]
1588 #define MMX_S(n) _s_MMXReg[n]
1589 #endif
1590 #define MMX_Q(n) _q_MMXReg[n]
1591 
1592 typedef union {
1593     floatx80 d __attribute__((aligned(16)));
1594     MMXReg mmx;
1595 } FPReg;
1596 
1597 typedef struct {
1598     uint64_t base;
1599     uint64_t mask;
1600 } MTRRVar;
1601 
1602 #define CPU_NB_REGS64 16
1603 #define CPU_NB_REGS32 8
1604 
1605 #ifdef TARGET_X86_64
1606 #define CPU_NB_REGS CPU_NB_REGS64
1607 #else
1608 #define CPU_NB_REGS CPU_NB_REGS32
1609 #endif
1610 
1611 #define MAX_FIXED_COUNTERS 3
1612 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1613 
1614 #define TARGET_INSN_START_EXTRA_WORDS 1
1615 
1616 #define NB_OPMASK_REGS 8
1617 
1618 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1619  * that APIC ID hasn't been set yet
1620  */
1621 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1622 
1623 typedef struct X86LegacyXSaveArea {
1624     uint16_t fcw;
1625     uint16_t fsw;
1626     uint8_t ftw;
1627     uint8_t reserved;
1628     uint16_t fpop;
1629     union {
1630         struct {
1631             uint64_t fpip;
1632             uint64_t fpdp;
1633         };
1634         struct {
1635             uint32_t fip;
1636             uint32_t fcs;
1637             uint32_t foo;
1638             uint32_t fos;
1639         };
1640     };
1641     uint32_t mxcsr;
1642     uint32_t mxcsr_mask;
1643     FPReg fpregs[8];
1644     uint8_t xmm_regs[16][16];
1645     uint32_t hw_reserved[12];
1646     uint32_t sw_reserved[12];
1647 } X86LegacyXSaveArea;
1648 
1649 QEMU_BUILD_BUG_ON(sizeof(X86LegacyXSaveArea) != 512);
1650 
1651 typedef struct X86XSaveHeader {
1652     uint64_t xstate_bv;
1653     uint64_t xcomp_bv;
1654     uint64_t reserve0;
1655     uint8_t reserved[40];
1656 } X86XSaveHeader;
1657 
1658 /* Ext. save area 2: AVX State */
1659 typedef struct XSaveAVX {
1660     uint8_t ymmh[16][16];
1661 } XSaveAVX;
1662 
1663 /* Ext. save area 3: BNDREG */
1664 typedef struct XSaveBNDREG {
1665     BNDReg bnd_regs[4];
1666 } XSaveBNDREG;
1667 
1668 /* Ext. save area 4: BNDCSR */
1669 typedef union XSaveBNDCSR {
1670     BNDCSReg bndcsr;
1671     uint8_t data[64];
1672 } XSaveBNDCSR;
1673 
1674 /* Ext. save area 5: Opmask */
1675 typedef struct XSaveOpmask {
1676     uint64_t opmask_regs[NB_OPMASK_REGS];
1677 } XSaveOpmask;
1678 
1679 /* Ext. save area 6: ZMM_Hi256 */
1680 typedef struct XSaveZMM_Hi256 {
1681     uint8_t zmm_hi256[16][32];
1682 } XSaveZMM_Hi256;
1683 
1684 /* Ext. save area 7: Hi16_ZMM */
1685 typedef struct XSaveHi16_ZMM {
1686     uint8_t hi16_zmm[16][64];
1687 } XSaveHi16_ZMM;
1688 
1689 /* Ext. save area 9: PKRU state */
1690 typedef struct XSavePKRU {
1691     uint32_t pkru;
1692     uint32_t padding;
1693 } XSavePKRU;
1694 
1695 /* Ext. save area 17: AMX XTILECFG state */
1696 typedef struct XSaveXTILECFG {
1697     uint8_t xtilecfg[64];
1698 } XSaveXTILECFG;
1699 
1700 /* Ext. save area 18: AMX XTILEDATA state */
1701 typedef struct XSaveXTILEDATA {
1702     uint8_t xtiledata[8][1024];
1703 } XSaveXTILEDATA;
1704 
1705 typedef struct {
1706        uint64_t from;
1707        uint64_t to;
1708        uint64_t info;
1709 } LBREntry;
1710 
1711 #define ARCH_LBR_NR_ENTRIES            32
1712 
1713 /* Ext. save area 19: Supervisor mode Arch LBR state */
1714 typedef struct XSavesArchLBR {
1715     uint64_t lbr_ctl;
1716     uint64_t lbr_depth;
1717     uint64_t ler_from;
1718     uint64_t ler_to;
1719     uint64_t ler_info;
1720     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1721 } XSavesArchLBR;
1722 
1723 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1724 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1725 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1726 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1727 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1728 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1729 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1730 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILECFG) != 0x40);
1731 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILEDATA) != 0x2000);
1732 QEMU_BUILD_BUG_ON(sizeof(XSavesArchLBR) != 0x328);
1733 
1734 typedef struct ExtSaveArea {
1735     uint32_t feature, bits;
1736     uint32_t offset, size;
1737     uint32_t ecx;
1738 } ExtSaveArea;
1739 
1740 #define XSAVE_STATE_AREA_COUNT (XSTATE_XTILE_DATA_BIT + 1)
1741 
1742 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
1743 
1744 typedef enum TPRAccess {
1745     TPR_ACCESS_READ,
1746     TPR_ACCESS_WRITE,
1747 } TPRAccess;
1748 
1749 /* Cache information data structures: */
1750 
1751 enum CacheType {
1752     DATA_CACHE,
1753     INSTRUCTION_CACHE,
1754     UNIFIED_CACHE
1755 };
1756 
1757 typedef struct CPUCacheInfo {
1758     enum CacheType type;
1759     uint8_t level;
1760     /* Size in bytes */
1761     uint32_t size;
1762     /* Line size, in bytes */
1763     uint16_t line_size;
1764     /*
1765      * Associativity.
1766      * Note: representation of fully-associative caches is not implemented
1767      */
1768     uint8_t associativity;
1769     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1770     uint8_t partitions;
1771     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1772     uint32_t sets;
1773     /*
1774      * Lines per tag.
1775      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1776      * (Is this synonym to @partitions?)
1777      */
1778     uint8_t lines_per_tag;
1779 
1780     /* Self-initializing cache */
1781     bool self_init;
1782     /*
1783      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1784      * non-originating threads sharing this cache.
1785      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1786      */
1787     bool no_invd_sharing;
1788     /*
1789      * Cache is inclusive of lower cache levels.
1790      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1791      */
1792     bool inclusive;
1793     /*
1794      * A complex function is used to index the cache, potentially using all
1795      * address bits.  CPUID[4].EDX[bit 2].
1796      */
1797     bool complex_indexing;
1798 
1799     /*
1800      * Cache Topology. The level that cache is shared in.
1801      * Used to encode CPUID[4].EAX[bits 25:14] or
1802      * CPUID[0x8000001D].EAX[bits 25:14].
1803      */
1804     CpuTopologyLevel share_level;
1805 } CPUCacheInfo;
1806 
1807 
1808 typedef struct CPUCaches {
1809         CPUCacheInfo *l1d_cache;
1810         CPUCacheInfo *l1i_cache;
1811         CPUCacheInfo *l2_cache;
1812         CPUCacheInfo *l3_cache;
1813 } CPUCaches;
1814 
1815 typedef struct X86LazyFlags {
1816     target_ulong result;
1817     target_ulong auxbits;
1818 } X86LazyFlags;
1819 
1820 typedef struct CPUArchState {
1821     /* standard registers */
1822     target_ulong regs[CPU_NB_REGS];
1823     target_ulong eip;
1824     target_ulong eflags; /* eflags register. During CPU emulation, CC
1825                         flags and DF are set to zero because they are
1826                         stored elsewhere */
1827 
1828     /* emulator internal eflags handling */
1829     target_ulong cc_dst;
1830     target_ulong cc_src;
1831     target_ulong cc_src2;
1832     uint32_t cc_op;
1833     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1834     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1835                         are known at translation time. */
1836     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1837 
1838     /* segments */
1839     SegmentCache segs[6]; /* selector values */
1840     SegmentCache ldt;
1841     SegmentCache tr;
1842     SegmentCache gdt; /* only base and limit are used */
1843     SegmentCache idt; /* only base and limit are used */
1844 
1845     target_ulong cr[5]; /* NOTE: cr1 is unused */
1846 
1847     bool pdptrs_valid;
1848     uint64_t pdptrs[4];
1849     int32_t a20_mask;
1850 
1851     BNDReg bnd_regs[4];
1852     BNDCSReg bndcs_regs;
1853     uint64_t msr_bndcfgs;
1854     uint64_t efer;
1855 
1856     /* Beginning of state preserved by INIT (dummy marker).  */
1857     struct {} start_init_save;
1858 
1859     /* FPU state */
1860     unsigned int fpstt; /* top of stack index */
1861     uint16_t fpus;
1862     uint16_t fpuc;
1863     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1864     FPReg fpregs[8];
1865     /* KVM-only so far */
1866     uint16_t fpop;
1867     uint16_t fpcs;
1868     uint16_t fpds;
1869     uint64_t fpip;
1870     uint64_t fpdp;
1871 
1872     /* emulator internal variables */
1873     float_status fp_status;
1874     floatx80 ft0;
1875 
1876     float_status mmx_status; /* for 3DNow! float ops */
1877     float_status sse_status;
1878     uint32_t mxcsr;
1879     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32] QEMU_ALIGNED(16);
1880     ZMMReg xmm_t0 QEMU_ALIGNED(16);
1881     MMXReg mmx_t0;
1882 
1883     uint64_t opmask_regs[NB_OPMASK_REGS];
1884 #ifdef TARGET_X86_64
1885     uint8_t xtilecfg[64];
1886     uint8_t xtiledata[8192];
1887 #endif
1888 
1889     /* sysenter registers */
1890     uint32_t sysenter_cs;
1891     target_ulong sysenter_esp;
1892     target_ulong sysenter_eip;
1893     uint64_t star;
1894 
1895     uint64_t vm_hsave;
1896 
1897 #ifdef TARGET_X86_64
1898     target_ulong lstar;
1899     target_ulong cstar;
1900     target_ulong fmask;
1901     target_ulong kernelgsbase;
1902 
1903     /* FRED MSRs */
1904     uint64_t fred_rsp0;
1905     uint64_t fred_rsp1;
1906     uint64_t fred_rsp2;
1907     uint64_t fred_rsp3;
1908     uint64_t fred_stklvls;
1909     uint64_t fred_ssp1;
1910     uint64_t fred_ssp2;
1911     uint64_t fred_ssp3;
1912     uint64_t fred_config;
1913 #endif
1914 
1915     uint64_t tsc_adjust;
1916     uint64_t tsc_deadline;
1917     uint64_t tsc_aux;
1918 
1919     uint64_t xcr0;
1920 
1921     uint64_t mcg_status;
1922     uint64_t msr_ia32_misc_enable;
1923     uint64_t msr_ia32_feature_control;
1924     uint64_t msr_ia32_sgxlepubkeyhash[4];
1925 
1926     uint64_t msr_fixed_ctr_ctrl;
1927     uint64_t msr_global_ctrl;
1928     uint64_t msr_global_status;
1929     uint64_t msr_global_ovf_ctrl;
1930     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1931     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1932     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1933 
1934     uint64_t pat;
1935     uint32_t smbase;
1936     uint64_t msr_smi_count;
1937 
1938     uint32_t pkru;
1939     uint32_t pkrs;
1940     uint32_t tsx_ctrl;
1941 
1942     uint64_t spec_ctrl;
1943     uint64_t amd_tsc_scale_msr;
1944     uint64_t virt_ssbd;
1945 
1946     /* End of state preserved by INIT (dummy marker).  */
1947     struct {} end_init_save;
1948 
1949     uint64_t system_time_msr;
1950     uint64_t wall_clock_msr;
1951     uint64_t steal_time_msr;
1952     uint64_t async_pf_en_msr;
1953     uint64_t async_pf_int_msr;
1954     uint64_t pv_eoi_en_msr;
1955     uint64_t poll_control_msr;
1956 
1957     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1958     uint64_t msr_hv_hypercall;
1959     uint64_t msr_hv_guest_os_id;
1960     uint64_t msr_hv_tsc;
1961     uint64_t msr_hv_syndbg_control;
1962     uint64_t msr_hv_syndbg_status;
1963     uint64_t msr_hv_syndbg_send_page;
1964     uint64_t msr_hv_syndbg_recv_page;
1965     uint64_t msr_hv_syndbg_pending_page;
1966     uint64_t msr_hv_syndbg_options;
1967 
1968     /* Per-VCPU HV MSRs */
1969     uint64_t msr_hv_vapic;
1970     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1971     uint64_t msr_hv_runtime;
1972     uint64_t msr_hv_synic_control;
1973     uint64_t msr_hv_synic_evt_page;
1974     uint64_t msr_hv_synic_msg_page;
1975     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1976     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1977     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1978     uint64_t msr_hv_reenlightenment_control;
1979     uint64_t msr_hv_tsc_emulation_control;
1980     uint64_t msr_hv_tsc_emulation_status;
1981 
1982     uint64_t msr_rtit_ctrl;
1983     uint64_t msr_rtit_status;
1984     uint64_t msr_rtit_output_base;
1985     uint64_t msr_rtit_output_mask;
1986     uint64_t msr_rtit_cr3_match;
1987     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1988 
1989     /* Per-VCPU XFD MSRs */
1990     uint64_t msr_xfd;
1991     uint64_t msr_xfd_err;
1992 
1993     /* Per-VCPU Arch LBR MSRs */
1994     uint64_t msr_lbr_ctl;
1995     uint64_t msr_lbr_depth;
1996     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1997 
1998     /* AMD MSRC001_0015 Hardware Configuration */
1999     uint64_t msr_hwcr;
2000 
2001     /* exception/interrupt handling */
2002     int error_code;
2003     int exception_is_int;
2004     target_ulong exception_next_eip;
2005     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
2006     union {
2007         struct CPUBreakpoint *cpu_breakpoint[4];
2008         struct CPUWatchpoint *cpu_watchpoint[4];
2009     }; /* break/watchpoints for dr[0..3] */
2010     int old_exception;  /* exception in flight */
2011 
2012     uint64_t vm_vmcb;
2013     uint64_t tsc_offset;
2014     uint64_t intercept;
2015     uint16_t intercept_cr_read;
2016     uint16_t intercept_cr_write;
2017     uint16_t intercept_dr_read;
2018     uint16_t intercept_dr_write;
2019     uint32_t intercept_exceptions;
2020     uint64_t nested_cr3;
2021     uint32_t nested_pg_mode;
2022     uint8_t v_tpr;
2023     uint32_t int_ctl;
2024 
2025     /* KVM states, automatically cleared on reset */
2026     uint8_t nmi_injected;
2027     uint8_t nmi_pending;
2028 
2029     uintptr_t retaddr;
2030 
2031     /* RAPL MSR */
2032     uint64_t msr_rapl_power_unit;
2033     uint64_t msr_pkg_energy_status;
2034 
2035     /* Fields up to this point are cleared by a CPU reset */
2036     struct {} end_reset_fields;
2037 
2038     /* Fields after this point are preserved across CPU reset. */
2039 
2040     /* processor features (e.g. for CPUID insn) */
2041     /* Minimum cpuid leaf 7 value */
2042     uint32_t cpuid_level_func7;
2043     /* Actual cpuid leaf 7 value */
2044     uint32_t cpuid_min_level_func7;
2045     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
2046     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
2047     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
2048     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
2049     /* Actual level/xlevel/xlevel2 value: */
2050     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
2051     uint32_t cpuid_vendor1;
2052     uint32_t cpuid_vendor2;
2053     uint32_t cpuid_vendor3;
2054     uint32_t cpuid_version;
2055     FeatureWordArray features;
2056     /* AVX10 version */
2057     uint8_t avx10_version;
2058     /* Features that were explicitly enabled/disabled */
2059     FeatureWordArray user_features;
2060     uint32_t cpuid_model[12];
2061     /* Cache information for CPUID.  When legacy-cache=on, the cache data
2062      * on each CPUID leaf will be different, because we keep compatibility
2063      * with old QEMU versions.
2064      */
2065     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
2066 
2067     /* MTRRs */
2068     uint64_t mtrr_fixed[11];
2069     uint64_t mtrr_deftype;
2070     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
2071 
2072     /* For KVM */
2073     uint32_t mp_state;
2074     int32_t exception_nr;
2075     int32_t interrupt_injected;
2076     uint8_t soft_interrupt;
2077     uint8_t exception_pending;
2078     uint8_t exception_injected;
2079     uint8_t has_error_code;
2080     uint8_t exception_has_payload;
2081     uint64_t exception_payload;
2082     uint8_t triple_fault_pending;
2083     uint32_t ins_len;
2084     uint32_t sipi_vector;
2085     bool tsc_valid;
2086     int64_t tsc_khz;
2087     int64_t user_tsc_khz; /* for sanity check only */
2088     uint64_t apic_bus_freq;
2089     uint64_t tsc;
2090 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
2091     void *xsave_buf;
2092     uint32_t xsave_buf_len;
2093 #endif
2094 #if defined(CONFIG_KVM)
2095     struct kvm_nested_state *nested_state;
2096     MemoryRegion *xen_vcpu_info_mr;
2097     void *xen_vcpu_info_hva;
2098     uint64_t xen_vcpu_info_gpa;
2099     uint64_t xen_vcpu_info_default_gpa;
2100     uint64_t xen_vcpu_time_info_gpa;
2101     uint64_t xen_vcpu_runstate_gpa;
2102     uint8_t xen_vcpu_callback_vector;
2103     bool xen_callback_asserted;
2104     uint16_t xen_virq[XEN_NR_VIRQS];
2105     uint64_t xen_singleshot_timer_ns;
2106     QEMUTimer *xen_singleshot_timer;
2107     uint64_t xen_periodic_timer_period;
2108     QEMUTimer *xen_periodic_timer;
2109     QemuMutex xen_timers_lock;
2110 #endif
2111 #if defined(CONFIG_HVF)
2112     X86LazyFlags lflags;
2113     void *emu_mmio_buf;
2114 #endif
2115 
2116     uint64_t mcg_cap;
2117     uint64_t mcg_ctl;
2118     uint64_t mcg_ext_ctl;
2119     uint64_t mce_banks[MCE_BANKS_DEF*4];
2120     uint64_t xstate_bv;
2121 
2122     /* vmstate */
2123     uint16_t fpus_vmstate;
2124     uint16_t fptag_vmstate;
2125     uint16_t fpregs_format_vmstate;
2126 
2127     uint64_t xss;
2128     uint32_t umwait;
2129 
2130     TPRAccess tpr_access_type;
2131 
2132     X86CPUTopoInfo topo_info;
2133 
2134     /* Bitmap of available CPU topology levels for this CPU. */
2135     DECLARE_BITMAP(avail_cpu_topo, CPU_TOPOLOGY_LEVEL__MAX);
2136 } CPUX86State;
2137 
2138 struct kvm_msrs;
2139 
2140 /**
2141  * X86CPU:
2142  * @env: #CPUX86State
2143  * @migratable: If set, only migratable flags will be accepted when "enforce"
2144  * mode is used, and only migratable flags will be included in the "host"
2145  * CPU model.
2146  *
2147  * An x86 CPU.
2148  */
2149 struct ArchCPU {
2150     CPUState parent_obj;
2151 
2152     CPUX86State env;
2153     VMChangeStateEntry *vmsentry;
2154 
2155     uint64_t ucode_rev;
2156 
2157     uint32_t hyperv_spinlock_attempts;
2158     char *hyperv_vendor;
2159     bool hyperv_synic_kvm_only;
2160     uint64_t hyperv_features;
2161     bool hyperv_passthrough;
2162     OnOffAuto hyperv_no_nonarch_cs;
2163     uint32_t hyperv_vendor_id[3];
2164     uint32_t hyperv_interface_id[4];
2165     uint32_t hyperv_limits[3];
2166     bool hyperv_enforce_cpuid;
2167     uint32_t hyperv_ver_id_build;
2168     uint16_t hyperv_ver_id_major;
2169     uint16_t hyperv_ver_id_minor;
2170     uint32_t hyperv_ver_id_sp;
2171     uint8_t hyperv_ver_id_sb;
2172     uint32_t hyperv_ver_id_sn;
2173 
2174     bool check_cpuid;
2175     bool enforce_cpuid;
2176     /*
2177      * Force features to be enabled even if the host doesn't support them.
2178      * This is dangerous and should be done only for testing CPUID
2179      * compatibility.
2180      */
2181     bool force_features;
2182     bool expose_kvm;
2183     bool expose_tcg;
2184     bool migratable;
2185     bool migrate_smi_count;
2186     bool max_features; /* Enable all supported features automatically */
2187     uint32_t apic_id;
2188 
2189     /* Enables publishing of TSC increment and Local APIC bus frequencies to
2190      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
2191     bool vmware_cpuid_freq;
2192 
2193     /* if true the CPUID code directly forward host cache leaves to the guest */
2194     bool cache_info_passthrough;
2195 
2196     /* if true the CPUID code directly forwards
2197      * host monitor/mwait leaves to the guest */
2198     struct {
2199         uint32_t eax;
2200         uint32_t ebx;
2201         uint32_t ecx;
2202         uint32_t edx;
2203     } mwait;
2204 
2205     /* Features that were filtered out because of missing host capabilities */
2206     FeatureWordArray filtered_features;
2207 
2208     /* Enable PMU CPUID bits. This can't be enabled by default yet because
2209      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
2210      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
2211      * capabilities) directly to the guest.
2212      */
2213     bool enable_pmu;
2214 
2215     /*
2216      * Enable LBR_FMT bits of IA32_PERF_CAPABILITIES MSR.
2217      * This can't be initialized with a default because it doesn't have
2218      * stable ABI support yet. It is only allowed to pass all LBR_FMT bits
2219      * returned by kvm_arch_get_supported_msr_feature()(which depends on both
2220      * host CPU and kernel capabilities) to the guest.
2221      */
2222     uint64_t lbr_fmt;
2223 
2224     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
2225      * disabled by default to avoid breaking migration between QEMU with
2226      * different LMCE configurations.
2227      */
2228     bool enable_lmce;
2229 
2230     /* Compatibility bits for old machine types.
2231      * If true present virtual l3 cache for VM, the vcpus in the same virtual
2232      * socket share an virtual l3 cache.
2233      */
2234     bool enable_l3_cache;
2235 
2236     /* Compatibility bits for old machine types.
2237      * If true present L1 cache as per-thread, not per-core.
2238      */
2239     bool l1_cache_per_core;
2240 
2241     /* Compatibility bits for old machine types.
2242      * If true present the old cache topology information
2243      */
2244     bool legacy_cache;
2245 
2246     /* Compatibility bits for old machine types.
2247      * If true decode the CPUID Function 0x8000001E_ECX to support multiple
2248      * nodes per processor
2249      */
2250     bool legacy_multi_node;
2251 
2252     /* Compatibility bits for old machine types: */
2253     bool enable_cpuid_0xb;
2254 
2255     /* Enable auto level-increase for all CPUID leaves */
2256     bool full_cpuid_auto_level;
2257 
2258     /* Only advertise CPUID leaves defined by the vendor */
2259     bool vendor_cpuid_only;
2260 
2261     /* Only advertise TOPOEXT features that AMD defines */
2262     bool amd_topoext_features_only;
2263 
2264     /* Enable auto level-increase for Intel Processor Trace leave */
2265     bool intel_pt_auto_level;
2266 
2267     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
2268     bool fill_mtrr_mask;
2269 
2270     /* if true override the phys_bits value with a value read from the host */
2271     bool host_phys_bits;
2272 
2273     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
2274     uint8_t host_phys_bits_limit;
2275 
2276     /* Forcefully disable KVM PV features not exposed in guest CPUIDs */
2277     bool kvm_pv_enforce_cpuid;
2278 
2279     /* Number of physical address bits supported */
2280     uint32_t phys_bits;
2281 
2282     /*
2283      * Number of guest physical address bits available. Usually this is
2284      * identical to host physical address bits. With NPT or EPT 4-level
2285      * paging, guest physical address space might be restricted to 48 bits
2286      * even if the host cpu supports more physical address bits.
2287      */
2288     uint32_t guest_phys_bits;
2289 
2290     /* in order to simplify APIC support, we leave this pointer to the
2291        user */
2292     struct DeviceState *apic_state;
2293     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
2294     Notifier machine_done;
2295 
2296     struct kvm_msrs *kvm_msr_buf;
2297 
2298     int32_t node_id; /* NUMA node this CPU belongs to */
2299     int32_t socket_id;
2300     int32_t die_id;
2301     int32_t module_id;
2302     int32_t core_id;
2303     int32_t thread_id;
2304 
2305     int32_t hv_max_vps;
2306 
2307     bool xen_vapic;
2308 };
2309 
2310 typedef struct X86CPUModel X86CPUModel;
2311 
2312 /**
2313  * X86CPUClass:
2314  * @cpu_def: CPU model definition
2315  * @host_cpuid_required: Whether CPU model requires cpuid from host.
2316  * @ordering: Ordering on the "-cpu help" CPU model list.
2317  * @migration_safe: See CpuDefinitionInfo::migration_safe
2318  * @static_model: See CpuDefinitionInfo::static
2319  * @parent_realize: The parent class' realize handler.
2320  * @parent_phases: The parent class' reset phase handlers.
2321  *
2322  * An x86 CPU model or family.
2323  */
2324 struct X86CPUClass {
2325     CPUClass parent_class;
2326 
2327     /*
2328      * CPU definition, automatically loaded by instance_init if not NULL.
2329      * Should be eventually replaced by subclass-specific property defaults.
2330      */
2331     const X86CPUModel *model;
2332 
2333     bool host_cpuid_required;
2334     int ordering;
2335     bool migration_safe;
2336     bool static_model;
2337 
2338     /*
2339      * Optional description of CPU model.
2340      * If unavailable, cpu_def->model_id is used.
2341      */
2342     const char *model_description;
2343 
2344     DeviceRealize parent_realize;
2345     DeviceUnrealize parent_unrealize;
2346     ResettablePhases parent_phases;
2347 };
2348 
2349 #ifndef CONFIG_USER_ONLY
2350 extern const VMStateDescription vmstate_x86_cpu;
2351 #endif
2352 
2353 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
2354                              int cpuid, DumpState *s);
2355 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
2356                              int cpuid, DumpState *s);
2357 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2358                                  DumpState *s);
2359 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2360                                  DumpState *s);
2361 
2362 bool x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
2363                                 Error **errp);
2364 
2365 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
2366 
2367 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
2368 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
2369 void x86_cpu_gdb_init(CPUState *cs);
2370 
2371 void x86_cpu_list(void);
2372 int cpu_x86_support_mca_broadcast(CPUX86State *env);
2373 
2374 #ifndef CONFIG_USER_ONLY
2375 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
2376 
2377 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
2378                                          MemTxAttrs *attrs);
2379 int cpu_get_pic_interrupt(CPUX86State *s);
2380 
2381 /* MS-DOS compatibility mode FPU exception support */
2382 void x86_register_ferr_irq(qemu_irq irq);
2383 void fpu_check_raise_ferr_irq(CPUX86State *s);
2384 void cpu_set_ignne(void);
2385 void cpu_clear_ignne(void);
2386 #endif
2387 
2388 /* mpx_helper.c */
2389 void cpu_sync_bndcs_hflags(CPUX86State *env);
2390 
2391 /* this function must always be used to load data in the segment
2392    cache: it synchronizes the hflags with the segment cache values */
2393 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
2394                                           X86Seg seg_reg, unsigned int selector,
2395                                           target_ulong base,
2396                                           unsigned int limit,
2397                                           unsigned int flags)
2398 {
2399     SegmentCache *sc;
2400     unsigned int new_hflags;
2401 
2402     sc = &env->segs[seg_reg];
2403     sc->selector = selector;
2404     sc->base = base;
2405     sc->limit = limit;
2406     sc->flags = flags;
2407 
2408     /* update the hidden flags */
2409     {
2410         if (seg_reg == R_CS) {
2411 #ifdef TARGET_X86_64
2412             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
2413                 /* long mode */
2414                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
2415                 env->hflags &= ~(HF_ADDSEG_MASK);
2416             } else
2417 #endif
2418             {
2419                 /* legacy / compatibility case */
2420                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
2421                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
2422                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
2423                     new_hflags;
2424             }
2425         }
2426         if (seg_reg == R_SS) {
2427             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
2428 #if HF_CPL_MASK != 3
2429 #error HF_CPL_MASK is hardcoded
2430 #endif
2431             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
2432             /* Possibly switch between BNDCFGS and BNDCFGU */
2433             cpu_sync_bndcs_hflags(env);
2434         }
2435         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
2436             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
2437         if (env->hflags & HF_CS64_MASK) {
2438             /* zero base assumed for DS, ES and SS in long mode */
2439         } else if (!(env->cr[0] & CR0_PE_MASK) ||
2440                    (env->eflags & VM_MASK) ||
2441                    !(env->hflags & HF_CS32_MASK)) {
2442             /* XXX: try to avoid this test. The problem comes from the
2443                fact that is real mode or vm86 mode we only modify the
2444                'base' and 'selector' fields of the segment cache to go
2445                faster. A solution may be to force addseg to one in
2446                translate-i386.c. */
2447             new_hflags |= HF_ADDSEG_MASK;
2448         } else {
2449             new_hflags |= ((env->segs[R_DS].base |
2450                             env->segs[R_ES].base |
2451                             env->segs[R_SS].base) != 0) <<
2452                 HF_ADDSEG_SHIFT;
2453         }
2454         env->hflags = (env->hflags &
2455                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
2456     }
2457 }
2458 
2459 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
2460                                                uint8_t sipi_vector)
2461 {
2462     CPUState *cs = CPU(cpu);
2463     CPUX86State *env = &cpu->env;
2464 
2465     env->eip = 0;
2466     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
2467                            sipi_vector << 12,
2468                            env->segs[R_CS].limit,
2469                            env->segs[R_CS].flags);
2470     cs->halted = 0;
2471 }
2472 
2473 uint64_t cpu_x86_get_msr_core_thread_count(X86CPU *cpu);
2474 
2475 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
2476                             target_ulong *base, unsigned int *limit,
2477                             unsigned int *flags);
2478 
2479 /* op_helper.c */
2480 /* used for debug or cpu save/restore */
2481 
2482 /* cpu-exec.c */
2483 /*
2484  * The following helpers are only usable in user mode simulation.
2485  * The host pointers should come from lock_user().
2486  */
2487 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
2488 void cpu_x86_fsave(CPUX86State *s, void *host, size_t len);
2489 void cpu_x86_frstor(CPUX86State *s, void *host, size_t len);
2490 void cpu_x86_fxsave(CPUX86State *s, void *host, size_t len);
2491 void cpu_x86_fxrstor(CPUX86State *s, void *host, size_t len);
2492 void cpu_x86_xsave(CPUX86State *s, void *host, size_t len, uint64_t rbfm);
2493 bool cpu_x86_xrstor(CPUX86State *s, void *host, size_t len, uint64_t rbfm);
2494 
2495 /* cpu.c */
2496 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
2497                               uint32_t vendor2, uint32_t vendor3);
2498 typedef struct PropValue {
2499     const char *prop, *value;
2500 } PropValue;
2501 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props);
2502 
2503 void x86_cpu_after_reset(X86CPU *cpu);
2504 
2505 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env);
2506 
2507 /* cpu.c other functions (cpuid) */
2508 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2509                    uint32_t *eax, uint32_t *ebx,
2510                    uint32_t *ecx, uint32_t *edx);
2511 void cpu_clear_apic_feature(CPUX86State *env);
2512 void cpu_set_apic_feature(CPUX86State *env);
2513 void host_cpuid(uint32_t function, uint32_t count,
2514                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
2515 bool cpu_has_x2apic_feature(CPUX86State *env);
2516 
2517 /* helper.c */
2518 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
2519 void cpu_sync_avx_hflag(CPUX86State *env);
2520 
2521 #ifndef CONFIG_USER_ONLY
2522 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
2523 {
2524     return !!attrs.secure;
2525 }
2526 
2527 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
2528 {
2529     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
2530 }
2531 
2532 /*
2533  * load efer and update the corresponding hflags. XXX: do consistency
2534  * checks with cpuid bits?
2535  */
2536 void cpu_load_efer(CPUX86State *env, uint64_t val);
2537 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
2538 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
2539 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
2540 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
2541 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
2542 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
2543 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
2544 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
2545 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
2546 #endif
2547 
2548 /* will be suppressed */
2549 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
2550 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
2551 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
2552 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
2553 
2554 /* hw/pc.c */
2555 uint64_t cpu_get_tsc(CPUX86State *env);
2556 
2557 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
2558 
2559 #ifdef TARGET_X86_64
2560 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
2561 #else
2562 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
2563 #endif
2564 
2565 #define cpu_list x86_cpu_list
2566 
2567 /* MMU modes definitions */
2568 #define MMU_KSMAP64_IDX    0
2569 #define MMU_KSMAP32_IDX    1
2570 #define MMU_USER64_IDX     2
2571 #define MMU_USER32_IDX     3
2572 #define MMU_KNOSMAP64_IDX  4
2573 #define MMU_KNOSMAP32_IDX  5
2574 #define MMU_PHYS_IDX       6
2575 #define MMU_NESTED_IDX     7
2576 
2577 #ifdef CONFIG_USER_ONLY
2578 #ifdef TARGET_X86_64
2579 #define MMU_USER_IDX MMU_USER64_IDX
2580 #else
2581 #define MMU_USER_IDX MMU_USER32_IDX
2582 #endif
2583 #endif
2584 
2585 static inline bool is_mmu_index_smap(int mmu_index)
2586 {
2587     return (mmu_index & ~1) == MMU_KSMAP64_IDX;
2588 }
2589 
2590 static inline bool is_mmu_index_user(int mmu_index)
2591 {
2592     return (mmu_index & ~1) == MMU_USER64_IDX;
2593 }
2594 
2595 static inline bool is_mmu_index_32(int mmu_index)
2596 {
2597     assert(mmu_index < MMU_PHYS_IDX);
2598     return mmu_index & 1;
2599 }
2600 
2601 #define CC_DST  (env->cc_dst)
2602 #define CC_SRC  (env->cc_src)
2603 #define CC_SRC2 (env->cc_src2)
2604 #define CC_OP   (env->cc_op)
2605 
2606 #include "exec/cpu-all.h"
2607 #include "svm.h"
2608 
2609 #if !defined(CONFIG_USER_ONLY)
2610 #include "hw/i386/apic.h"
2611 #endif
2612 
2613 static inline void cpu_get_tb_cpu_state(CPUX86State *env, vaddr *pc,
2614                                         uint64_t *cs_base, uint32_t *flags)
2615 {
2616     *flags = env->hflags |
2617         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2618     if (env->hflags & HF_CS64_MASK) {
2619         *cs_base = 0;
2620         *pc = env->eip;
2621     } else {
2622         *cs_base = env->segs[R_CS].base;
2623         *pc = (uint32_t)(*cs_base + env->eip);
2624     }
2625 }
2626 
2627 void do_cpu_init(X86CPU *cpu);
2628 
2629 #define MCE_INJECT_BROADCAST    1
2630 #define MCE_INJECT_UNCOND_AO    2
2631 
2632 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2633                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2634                         uint64_t misc, int flags);
2635 
2636 uint32_t cpu_cc_compute_all(CPUX86State *env1);
2637 
2638 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2639 {
2640     uint32_t eflags = env->eflags;
2641     if (tcg_enabled()) {
2642         eflags |= cpu_cc_compute_all(env) | (env->df & DF_MASK);
2643     }
2644     return eflags;
2645 }
2646 
2647 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2648 {
2649     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2650 }
2651 
2652 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2653 {
2654     if (env->hflags & HF_SMM_MASK) {
2655         return -1;
2656     } else {
2657         return env->a20_mask;
2658     }
2659 }
2660 
2661 static inline bool cpu_has_vmx(CPUX86State *env)
2662 {
2663     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2664 }
2665 
2666 static inline bool cpu_has_svm(CPUX86State *env)
2667 {
2668     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2669 }
2670 
2671 /*
2672  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2673  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2674  * VMX operation. This is because CR4.VMXE is one of the bits set
2675  * in MSR_IA32_VMX_CR4_FIXED1.
2676  *
2677  * There is one exception to above statement when vCPU enters SMM mode.
2678  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2679  * may also reset CR4.VMXE during execution in SMM mode.
2680  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2681  * and CR4.VMXE is restored to it's original value of being set.
2682  *
2683  * Therefore, when vCPU is not in SMM mode, we can infer whether
2684  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2685  * know for certain.
2686  */
2687 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2688 {
2689     return cpu_has_vmx(env) &&
2690            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2691 }
2692 
2693 /* excp_helper.c */
2694 int get_pg_mode(CPUX86State *env);
2695 
2696 /* fpu_helper.c */
2697 
2698 /* Set all non-runtime-variable float_status fields to x86 handling */
2699 void cpu_init_fp_statuses(CPUX86State *env);
2700 void update_fp_status(CPUX86State *env);
2701 void update_mxcsr_status(CPUX86State *env);
2702 void update_mxcsr_from_sse_status(CPUX86State *env);
2703 
2704 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2705 {
2706     env->mxcsr = mxcsr;
2707     if (tcg_enabled()) {
2708         update_mxcsr_status(env);
2709     }
2710 }
2711 
2712 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2713 {
2714      env->fpuc = fpuc;
2715      if (tcg_enabled()) {
2716         update_fp_status(env);
2717      }
2718 }
2719 
2720 /* svm_helper.c */
2721 #ifdef CONFIG_USER_ONLY
2722 static inline void
2723 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2724                               uint64_t param, uintptr_t retaddr)
2725 { /* no-op */ }
2726 static inline bool
2727 cpu_svm_has_intercept(CPUX86State *env, uint32_t type)
2728 { return false; }
2729 #else
2730 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2731                                    uint64_t param, uintptr_t retaddr);
2732 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type);
2733 #endif
2734 
2735 /* apic.c */
2736 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2737 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2738                                    TPRAccess access);
2739 
2740 /* Special values for X86CPUVersion: */
2741 
2742 /* Resolve to latest CPU version */
2743 #define CPU_VERSION_LATEST -1
2744 
2745 /*
2746  * Resolve to version defined by current machine type.
2747  * See x86_cpu_set_default_version()
2748  */
2749 #define CPU_VERSION_AUTO   -2
2750 
2751 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2752 #define CPU_VERSION_LEGACY  0
2753 
2754 typedef int X86CPUVersion;
2755 
2756 /*
2757  * Set default CPU model version for CPU models having
2758  * version == CPU_VERSION_AUTO.
2759  */
2760 void x86_cpu_set_default_version(X86CPUVersion version);
2761 
2762 #ifndef CONFIG_USER_ONLY
2763 
2764 void do_cpu_sipi(X86CPU *cpu);
2765 
2766 #define APIC_DEFAULT_ADDRESS 0xfee00000
2767 #define APIC_SPACE_SIZE      0x100000
2768 
2769 /* cpu-dump.c */
2770 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2771 
2772 #endif
2773 
2774 /* cpu.c */
2775 bool cpu_is_bsp(X86CPU *cpu);
2776 
2777 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen);
2778 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen);
2779 uint32_t xsave_area_size(uint64_t mask, bool compacted);
2780 void x86_update_hflags(CPUX86State* env);
2781 
2782 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2783 {
2784     return !!(cpu->hyperv_features & BIT(feat));
2785 }
2786 
2787 static inline uint64_t cr4_reserved_bits(CPUX86State *env)
2788 {
2789     uint64_t reserved_bits = CR4_RESERVED_MASK;
2790     if (!env->features[FEAT_XSAVE]) {
2791         reserved_bits |= CR4_OSXSAVE_MASK;
2792     }
2793     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) {
2794         reserved_bits |= CR4_SMEP_MASK;
2795     }
2796     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
2797         reserved_bits |= CR4_SMAP_MASK;
2798     }
2799     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) {
2800         reserved_bits |= CR4_FSGSBASE_MASK;
2801     }
2802     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) {
2803         reserved_bits |= CR4_PKE_MASK;
2804     }
2805     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) {
2806         reserved_bits |= CR4_LA57_MASK;
2807     }
2808     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) {
2809         reserved_bits |= CR4_UMIP_MASK;
2810     }
2811     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) {
2812         reserved_bits |= CR4_PKS_MASK;
2813     }
2814     if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_LAM)) {
2815         reserved_bits |= CR4_LAM_SUP_MASK;
2816     }
2817     if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_FRED)) {
2818         reserved_bits |= CR4_FRED_MASK;
2819     }
2820     return reserved_bits;
2821 }
2822 
2823 static inline bool ctl_has_irq(CPUX86State *env)
2824 {
2825     uint32_t int_prio;
2826     uint32_t tpr;
2827 
2828     int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT;
2829     tpr = env->int_ctl & V_TPR_MASK;
2830 
2831     if (env->int_ctl & V_IGN_TPR_MASK) {
2832         return (env->int_ctl & V_IRQ_MASK);
2833     }
2834 
2835     return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr);
2836 }
2837 
2838 #if defined(TARGET_X86_64) && \
2839     defined(CONFIG_USER_ONLY) && \
2840     defined(CONFIG_LINUX)
2841 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2842 #endif
2843 
2844 /* majority(NOT a, b, c) = (a ^ b) ? b : c */
2845 #define MAJ_INV1(a, b, c)  ((((a) ^ (b)) & ((b) ^ (c))) ^ (c))
2846 
2847 /*
2848  * ADD_COUT_VEC(x, y) = majority((x + y) ^ x ^ y, x, y)
2849  *
2850  * If two corresponding bits in x and y are the same, that's the carry
2851  * independent of the value (x+y)^x^y.  Hence x^y can be replaced with
2852  * 1 in (x+y)^x^y, resulting in majority(NOT (x+y), x, y)
2853  */
2854 #define ADD_COUT_VEC(op1, op2, result) \
2855    MAJ_INV1(result, op1, op2)
2856 
2857 /*
2858  * SUB_COUT_VEC(x, y) = NOT majority(x, NOT y, (x - y) ^ x ^ NOT y)
2859  *                    = majority(NOT x, y, (x - y) ^ x ^ y)
2860  *
2861  * Note that the carry out is actually a borrow, i.e. it is inverted.
2862  * If two corresponding bits in x and y are different, the value of the
2863  * bit in (x-y)^x^y likewise does not matter.  Hence, x^y can be replaced
2864  * with 0 in (x-y)^x^y, resulting in majority(NOT x, y, x-y)
2865  */
2866 #define SUB_COUT_VEC(op1, op2, result) \
2867    MAJ_INV1(op1, op2, result)
2868 
2869 #endif /* I386_CPU_H */
2870