xref: /openbmc/qemu/target/i386/cpu.h (revision f14eced5)
1 /*
2  * i386 virtual CPU header
3  *
4  *  Copyright (c) 2003 Fabrice Bellard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef I386_CPU_H
21 #define I386_CPU_H
22 
23 #include "sysemu/tcg.h"
24 #include "cpu-qom.h"
25 #include "kvm/hyperv-proto.h"
26 #include "exec/cpu-defs.h"
27 #include "qapi/qapi-types-common.h"
28 #include "qemu/cpu-float.h"
29 #include "qemu/timer.h"
30 
31 #define XEN_NR_VIRQS 24
32 
33 /* The x86 has a strong memory model with some store-after-load re-ordering */
34 #define TCG_GUEST_DEFAULT_MO      (TCG_MO_ALL & ~TCG_MO_ST_LD)
35 
36 #define KVM_HAVE_MCE_INJECTION 1
37 
38 /* support for self modifying code even if the modified instruction is
39    close to the modifying instruction */
40 #define TARGET_HAS_PRECISE_SMC
41 
42 #ifdef TARGET_X86_64
43 #define I386_ELF_MACHINE  EM_X86_64
44 #define ELF_MACHINE_UNAME "x86_64"
45 #else
46 #define I386_ELF_MACHINE  EM_386
47 #define ELF_MACHINE_UNAME "i686"
48 #endif
49 
50 enum {
51     R_EAX = 0,
52     R_ECX = 1,
53     R_EDX = 2,
54     R_EBX = 3,
55     R_ESP = 4,
56     R_EBP = 5,
57     R_ESI = 6,
58     R_EDI = 7,
59     R_R8 = 8,
60     R_R9 = 9,
61     R_R10 = 10,
62     R_R11 = 11,
63     R_R12 = 12,
64     R_R13 = 13,
65     R_R14 = 14,
66     R_R15 = 15,
67 
68     R_AL = 0,
69     R_CL = 1,
70     R_DL = 2,
71     R_BL = 3,
72     R_AH = 4,
73     R_CH = 5,
74     R_DH = 6,
75     R_BH = 7,
76 };
77 
78 typedef enum X86Seg {
79     R_ES = 0,
80     R_CS = 1,
81     R_SS = 2,
82     R_DS = 3,
83     R_FS = 4,
84     R_GS = 5,
85     R_LDTR = 6,
86     R_TR = 7,
87 } X86Seg;
88 
89 /* segment descriptor fields */
90 #define DESC_G_SHIFT    23
91 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
92 #define DESC_B_SHIFT    22
93 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
94 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
95 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
96 #define DESC_AVL_SHIFT  20
97 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
98 #define DESC_P_SHIFT    15
99 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
100 #define DESC_DPL_SHIFT  13
101 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
102 #define DESC_S_SHIFT    12
103 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
104 #define DESC_TYPE_SHIFT 8
105 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
106 #define DESC_A_MASK     (1 << 8)
107 
108 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
109 #define DESC_C_MASK     (1 << 10) /* code: conforming */
110 #define DESC_R_MASK     (1 << 9)  /* code: readable */
111 
112 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
113 #define DESC_W_MASK     (1 << 9)  /* data: writable */
114 
115 #define DESC_TSS_BUSY_MASK (1 << 9)
116 
117 /* eflags masks */
118 #define CC_C    0x0001
119 #define CC_P    0x0004
120 #define CC_A    0x0010
121 #define CC_Z    0x0040
122 #define CC_S    0x0080
123 #define CC_O    0x0800
124 
125 #define TF_SHIFT   8
126 #define IOPL_SHIFT 12
127 #define VM_SHIFT   17
128 
129 #define TF_MASK                 0x00000100
130 #define IF_MASK                 0x00000200
131 #define DF_MASK                 0x00000400
132 #define IOPL_MASK               0x00003000
133 #define NT_MASK                 0x00004000
134 #define RF_MASK                 0x00010000
135 #define VM_MASK                 0x00020000
136 #define AC_MASK                 0x00040000
137 #define VIF_MASK                0x00080000
138 #define VIP_MASK                0x00100000
139 #define ID_MASK                 0x00200000
140 
141 /* hidden flags - used internally by qemu to represent additional cpu
142    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
143    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
144    positions to ease oring with eflags. */
145 /* current cpl */
146 #define HF_CPL_SHIFT         0
147 /* true if hardware interrupts must be disabled for next instruction */
148 #define HF_INHIBIT_IRQ_SHIFT 3
149 /* 16 or 32 segments */
150 #define HF_CS32_SHIFT        4
151 #define HF_SS32_SHIFT        5
152 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
153 #define HF_ADDSEG_SHIFT      6
154 /* copy of CR0.PE (protected mode) */
155 #define HF_PE_SHIFT          7
156 #define HF_TF_SHIFT          8 /* must be same as eflags */
157 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
158 #define HF_EM_SHIFT         10
159 #define HF_TS_SHIFT         11
160 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
161 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
162 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
163 #define HF_RF_SHIFT         16 /* must be same as eflags */
164 #define HF_VM_SHIFT         17 /* must be same as eflags */
165 #define HF_AC_SHIFT         18 /* must be same as eflags */
166 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
167 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
168 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
169 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
170 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
171 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
172 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
173 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
174 #define HF_UMIP_SHIFT       27 /* CR4.UMIP */
175 #define HF_AVX_EN_SHIFT     28 /* AVX Enabled (CR4+XCR0) */
176 
177 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
178 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
179 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
180 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
181 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
182 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
183 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
184 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
185 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
186 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
187 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
188 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
189 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
190 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
191 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
192 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
193 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
194 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
195 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
196 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
197 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
198 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
199 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
200 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
201 #define HF_UMIP_MASK         (1 << HF_UMIP_SHIFT)
202 #define HF_AVX_EN_MASK       (1 << HF_AVX_EN_SHIFT)
203 
204 /* hflags2 */
205 
206 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
207 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
208 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
209 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
210 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
211 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
212 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
213 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
214 #define HF2_VGIF_SHIFT           8 /* Can take VIRQ*/
215 
216 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
217 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
218 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
219 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
220 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
221 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
222 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
223 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
224 #define HF2_VGIF_MASK           (1 << HF2_VGIF_SHIFT)
225 
226 #define CR0_PE_SHIFT 0
227 #define CR0_MP_SHIFT 1
228 
229 #define CR0_PE_MASK  (1U << 0)
230 #define CR0_MP_MASK  (1U << 1)
231 #define CR0_EM_MASK  (1U << 2)
232 #define CR0_TS_MASK  (1U << 3)
233 #define CR0_ET_MASK  (1U << 4)
234 #define CR0_NE_MASK  (1U << 5)
235 #define CR0_WP_MASK  (1U << 16)
236 #define CR0_AM_MASK  (1U << 18)
237 #define CR0_NW_MASK  (1U << 29)
238 #define CR0_CD_MASK  (1U << 30)
239 #define CR0_PG_MASK  (1U << 31)
240 
241 #define CR4_VME_MASK  (1U << 0)
242 #define CR4_PVI_MASK  (1U << 1)
243 #define CR4_TSD_MASK  (1U << 2)
244 #define CR4_DE_MASK   (1U << 3)
245 #define CR4_PSE_MASK  (1U << 4)
246 #define CR4_PAE_MASK  (1U << 5)
247 #define CR4_MCE_MASK  (1U << 6)
248 #define CR4_PGE_MASK  (1U << 7)
249 #define CR4_PCE_MASK  (1U << 8)
250 #define CR4_OSFXSR_SHIFT 9
251 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
252 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
253 #define CR4_UMIP_MASK   (1U << 11)
254 #define CR4_LA57_MASK   (1U << 12)
255 #define CR4_VMXE_MASK   (1U << 13)
256 #define CR4_SMXE_MASK   (1U << 14)
257 #define CR4_FSGSBASE_MASK (1U << 16)
258 #define CR4_PCIDE_MASK  (1U << 17)
259 #define CR4_OSXSAVE_MASK (1U << 18)
260 #define CR4_SMEP_MASK   (1U << 20)
261 #define CR4_SMAP_MASK   (1U << 21)
262 #define CR4_PKE_MASK   (1U << 22)
263 #define CR4_PKS_MASK   (1U << 24)
264 
265 #define CR4_RESERVED_MASK \
266 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
267                 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
268                 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
269                 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK | CR4_UMIP_MASK \
270                 | CR4_LA57_MASK \
271                 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
272                 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK))
273 
274 #define DR6_BD          (1 << 13)
275 #define DR6_BS          (1 << 14)
276 #define DR6_BT          (1 << 15)
277 #define DR6_FIXED_1     0xffff0ff0
278 
279 #define DR7_GD          (1 << 13)
280 #define DR7_TYPE_SHIFT  16
281 #define DR7_LEN_SHIFT   18
282 #define DR7_FIXED_1     0x00000400
283 #define DR7_GLOBAL_BP_MASK   0xaa
284 #define DR7_LOCAL_BP_MASK    0x55
285 #define DR7_MAX_BP           4
286 #define DR7_TYPE_BP_INST     0x0
287 #define DR7_TYPE_DATA_WR     0x1
288 #define DR7_TYPE_IO_RW       0x2
289 #define DR7_TYPE_DATA_RW     0x3
290 
291 #define DR_RESERVED_MASK 0xffffffff00000000ULL
292 
293 #define PG_PRESENT_BIT  0
294 #define PG_RW_BIT       1
295 #define PG_USER_BIT     2
296 #define PG_PWT_BIT      3
297 #define PG_PCD_BIT      4
298 #define PG_ACCESSED_BIT 5
299 #define PG_DIRTY_BIT    6
300 #define PG_PSE_BIT      7
301 #define PG_GLOBAL_BIT   8
302 #define PG_PSE_PAT_BIT  12
303 #define PG_PKRU_BIT     59
304 #define PG_NX_BIT       63
305 
306 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
307 #define PG_RW_MASK       (1 << PG_RW_BIT)
308 #define PG_USER_MASK     (1 << PG_USER_BIT)
309 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
310 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
311 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
312 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
313 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
314 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
315 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
316 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
317 #define PG_HI_USER_MASK  0x7ff0000000000000LL
318 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
319 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
320 
321 #define PG_ERROR_W_BIT     1
322 
323 #define PG_ERROR_P_MASK    0x01
324 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
325 #define PG_ERROR_U_MASK    0x04
326 #define PG_ERROR_RSVD_MASK 0x08
327 #define PG_ERROR_I_D_MASK  0x10
328 #define PG_ERROR_PK_MASK   0x20
329 
330 #define PG_MODE_PAE      (1 << 0)
331 #define PG_MODE_LMA      (1 << 1)
332 #define PG_MODE_NXE      (1 << 2)
333 #define PG_MODE_PSE      (1 << 3)
334 #define PG_MODE_LA57     (1 << 4)
335 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15)
336 
337 /* Bits of CR4 that do not affect the NPT page format.  */
338 #define PG_MODE_WP       (1 << 16)
339 #define PG_MODE_PKE      (1 << 17)
340 #define PG_MODE_PKS      (1 << 18)
341 #define PG_MODE_SMEP     (1 << 19)
342 
343 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
344 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
345 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
346 
347 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
348 #define MCE_BANKS_DEF   10
349 
350 #define MCG_CAP_BANKS_MASK 0xff
351 
352 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
353 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
354 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
355 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
356 
357 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
358 
359 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
360 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
361 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
362 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
363 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
364 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
365 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
366 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
367 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
368 
369 /* MISC register defines */
370 #define MCM_ADDR_SEGOFF  0      /* segment offset */
371 #define MCM_ADDR_LINEAR  1      /* linear address */
372 #define MCM_ADDR_PHYS    2      /* physical address */
373 #define MCM_ADDR_MEM     3      /* memory address */
374 #define MCM_ADDR_GENERIC 7      /* generic */
375 
376 #define MSR_IA32_TSC                    0x10
377 #define MSR_IA32_APICBASE               0x1b
378 #define MSR_IA32_APICBASE_BSP           (1<<8)
379 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
380 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
381 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
382 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
383 #define MSR_TSC_ADJUST                  0x0000003b
384 #define MSR_IA32_SPEC_CTRL              0x48
385 #define MSR_VIRT_SSBD                   0xc001011f
386 #define MSR_IA32_PRED_CMD               0x49
387 #define MSR_IA32_UCODE_REV              0x8b
388 #define MSR_IA32_CORE_CAPABILITY        0xcf
389 
390 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
391 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
392 
393 #define MSR_IA32_PERF_CAPABILITIES      0x345
394 #define PERF_CAP_LBR_FMT                0x3f
395 
396 #define MSR_IA32_TSX_CTRL		0x122
397 #define MSR_IA32_TSCDEADLINE            0x6e0
398 #define MSR_IA32_PKRS                   0x6e1
399 #define MSR_ARCH_LBR_CTL                0x000014ce
400 #define MSR_ARCH_LBR_DEPTH              0x000014cf
401 #define MSR_ARCH_LBR_FROM_0             0x00001500
402 #define MSR_ARCH_LBR_TO_0               0x00001600
403 #define MSR_ARCH_LBR_INFO_0             0x00001200
404 
405 #define FEATURE_CONTROL_LOCKED                    (1<<0)
406 #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX  (1ULL << 1)
407 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
408 #define FEATURE_CONTROL_SGX_LC                    (1ULL << 17)
409 #define FEATURE_CONTROL_SGX                       (1ULL << 18)
410 #define FEATURE_CONTROL_LMCE                      (1<<20)
411 
412 #define MSR_IA32_SGXLEPUBKEYHASH0       0x8c
413 #define MSR_IA32_SGXLEPUBKEYHASH1       0x8d
414 #define MSR_IA32_SGXLEPUBKEYHASH2       0x8e
415 #define MSR_IA32_SGXLEPUBKEYHASH3       0x8f
416 
417 #define MSR_P6_PERFCTR0                 0xc1
418 
419 #define MSR_IA32_SMBASE                 0x9e
420 #define MSR_SMI_COUNT                   0x34
421 #define MSR_CORE_THREAD_COUNT           0x35
422 #define MSR_MTRRcap                     0xfe
423 #define MSR_MTRRcap_VCNT                8
424 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
425 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
426 
427 #define MSR_IA32_SYSENTER_CS            0x174
428 #define MSR_IA32_SYSENTER_ESP           0x175
429 #define MSR_IA32_SYSENTER_EIP           0x176
430 
431 #define MSR_MCG_CAP                     0x179
432 #define MSR_MCG_STATUS                  0x17a
433 #define MSR_MCG_CTL                     0x17b
434 #define MSR_MCG_EXT_CTL                 0x4d0
435 
436 #define MSR_P6_EVNTSEL0                 0x186
437 
438 #define MSR_IA32_PERF_STATUS            0x198
439 
440 #define MSR_IA32_MISC_ENABLE            0x1a0
441 /* Indicates good rep/movs microcode on some processors: */
442 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
443 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
444 
445 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
446 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
447 
448 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
449 
450 #define MSR_MTRRfix64K_00000            0x250
451 #define MSR_MTRRfix16K_80000            0x258
452 #define MSR_MTRRfix16K_A0000            0x259
453 #define MSR_MTRRfix4K_C0000             0x268
454 #define MSR_MTRRfix4K_C8000             0x269
455 #define MSR_MTRRfix4K_D0000             0x26a
456 #define MSR_MTRRfix4K_D8000             0x26b
457 #define MSR_MTRRfix4K_E0000             0x26c
458 #define MSR_MTRRfix4K_E8000             0x26d
459 #define MSR_MTRRfix4K_F0000             0x26e
460 #define MSR_MTRRfix4K_F8000             0x26f
461 
462 #define MSR_PAT                         0x277
463 
464 #define MSR_MTRRdefType                 0x2ff
465 
466 #define MSR_CORE_PERF_FIXED_CTR0        0x309
467 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
468 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
469 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
470 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
471 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
472 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
473 
474 #define MSR_MC0_CTL                     0x400
475 #define MSR_MC0_STATUS                  0x401
476 #define MSR_MC0_ADDR                    0x402
477 #define MSR_MC0_MISC                    0x403
478 
479 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
480 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
481 #define MSR_IA32_RTIT_CTL               0x570
482 #define MSR_IA32_RTIT_STATUS            0x571
483 #define MSR_IA32_RTIT_CR3_MATCH         0x572
484 #define MSR_IA32_RTIT_ADDR0_A           0x580
485 #define MSR_IA32_RTIT_ADDR0_B           0x581
486 #define MSR_IA32_RTIT_ADDR1_A           0x582
487 #define MSR_IA32_RTIT_ADDR1_B           0x583
488 #define MSR_IA32_RTIT_ADDR2_A           0x584
489 #define MSR_IA32_RTIT_ADDR2_B           0x585
490 #define MSR_IA32_RTIT_ADDR3_A           0x586
491 #define MSR_IA32_RTIT_ADDR3_B           0x587
492 #define MAX_RTIT_ADDRS                  8
493 
494 #define MSR_EFER                        0xc0000080
495 
496 #define MSR_EFER_SCE   (1 << 0)
497 #define MSR_EFER_LME   (1 << 8)
498 #define MSR_EFER_LMA   (1 << 10)
499 #define MSR_EFER_NXE   (1 << 11)
500 #define MSR_EFER_SVME  (1 << 12)
501 #define MSR_EFER_FFXSR (1 << 14)
502 
503 #define MSR_EFER_RESERVED\
504         (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\
505             | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\
506             | MSR_EFER_FFXSR))
507 
508 #define MSR_STAR                        0xc0000081
509 #define MSR_LSTAR                       0xc0000082
510 #define MSR_CSTAR                       0xc0000083
511 #define MSR_FMASK                       0xc0000084
512 #define MSR_FSBASE                      0xc0000100
513 #define MSR_GSBASE                      0xc0000101
514 #define MSR_KERNELGSBASE                0xc0000102
515 #define MSR_TSC_AUX                     0xc0000103
516 #define MSR_AMD64_TSC_RATIO             0xc0000104
517 
518 #define MSR_AMD64_TSC_RATIO_DEFAULT     0x100000000ULL
519 
520 #define MSR_VM_HSAVE_PA                 0xc0010117
521 
522 #define MSR_IA32_XFD                    0x000001c4
523 #define MSR_IA32_XFD_ERR                0x000001c5
524 
525 #define MSR_IA32_BNDCFGS                0x00000d90
526 #define MSR_IA32_XSS                    0x00000da0
527 #define MSR_IA32_UMWAIT_CONTROL         0xe1
528 
529 #define MSR_IA32_VMX_BASIC              0x00000480
530 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
531 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
532 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
533 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
534 #define MSR_IA32_VMX_MISC               0x00000485
535 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
536 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
537 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
538 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
539 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
540 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
541 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
542 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
543 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
544 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
545 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
546 #define MSR_IA32_VMX_VMFUNC             0x00000491
547 
548 #define XSTATE_FP_BIT                   0
549 #define XSTATE_SSE_BIT                  1
550 #define XSTATE_YMM_BIT                  2
551 #define XSTATE_BNDREGS_BIT              3
552 #define XSTATE_BNDCSR_BIT               4
553 #define XSTATE_OPMASK_BIT               5
554 #define XSTATE_ZMM_Hi256_BIT            6
555 #define XSTATE_Hi16_ZMM_BIT             7
556 #define XSTATE_PKRU_BIT                 9
557 #define XSTATE_ARCH_LBR_BIT             15
558 #define XSTATE_XTILE_CFG_BIT            17
559 #define XSTATE_XTILE_DATA_BIT           18
560 
561 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
562 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
563 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
564 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
565 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
566 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
567 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
568 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
569 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
570 #define XSTATE_ARCH_LBR_MASK            (1ULL << XSTATE_ARCH_LBR_BIT)
571 #define XSTATE_XTILE_CFG_MASK           (1ULL << XSTATE_XTILE_CFG_BIT)
572 #define XSTATE_XTILE_DATA_MASK          (1ULL << XSTATE_XTILE_DATA_BIT)
573 
574 #define XSTATE_DYNAMIC_MASK             (XSTATE_XTILE_DATA_MASK)
575 
576 #define ESA_FEATURE_ALIGN64_BIT         1
577 #define ESA_FEATURE_XFD_BIT             2
578 
579 #define ESA_FEATURE_ALIGN64_MASK        (1U << ESA_FEATURE_ALIGN64_BIT)
580 #define ESA_FEATURE_XFD_MASK            (1U << ESA_FEATURE_XFD_BIT)
581 
582 
583 /* CPUID feature bits available in XCR0 */
584 #define CPUID_XSTATE_XCR0_MASK  (XSTATE_FP_MASK | XSTATE_SSE_MASK | \
585                                  XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | \
586                                  XSTATE_BNDCSR_MASK | XSTATE_OPMASK_MASK | \
587                                  XSTATE_ZMM_Hi256_MASK | \
588                                  XSTATE_Hi16_ZMM_MASK | XSTATE_PKRU_MASK | \
589                                  XSTATE_XTILE_CFG_MASK | XSTATE_XTILE_DATA_MASK)
590 
591 /* CPUID feature words */
592 typedef enum FeatureWord {
593     FEAT_1_EDX,         /* CPUID[1].EDX */
594     FEAT_1_ECX,         /* CPUID[1].ECX */
595     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
596     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
597     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
598     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
599     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
600     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
601     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
602     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
603     FEAT_8000_0021_EAX, /* CPUID[8000_0021].EAX */
604     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
605     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
606     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
607     FEAT_SVM,           /* CPUID[8000_000A].EDX */
608     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
609     FEAT_6_EAX,         /* CPUID[6].EAX */
610     FEAT_XSAVE_XCR0_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
611     FEAT_XSAVE_XCR0_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
612     FEAT_ARCH_CAPABILITIES,
613     FEAT_CORE_CAPABILITY,
614     FEAT_PERF_CAPABILITIES,
615     FEAT_VMX_PROCBASED_CTLS,
616     FEAT_VMX_SECONDARY_CTLS,
617     FEAT_VMX_PINBASED_CTLS,
618     FEAT_VMX_EXIT_CTLS,
619     FEAT_VMX_ENTRY_CTLS,
620     FEAT_VMX_MISC,
621     FEAT_VMX_EPT_VPID_CAPS,
622     FEAT_VMX_BASIC,
623     FEAT_VMX_VMFUNC,
624     FEAT_14_0_ECX,
625     FEAT_SGX_12_0_EAX,  /* CPUID[EAX=0x12,ECX=0].EAX (SGX) */
626     FEAT_SGX_12_0_EBX,  /* CPUID[EAX=0x12,ECX=0].EBX (SGX MISCSELECT[31:0]) */
627     FEAT_SGX_12_1_EAX,  /* CPUID[EAX=0x12,ECX=1].EAX (SGX ATTRIBUTES[31:0]) */
628     FEAT_XSAVE_XSS_LO,     /* CPUID[EAX=0xd,ECX=1].ECX */
629     FEAT_XSAVE_XSS_HI,     /* CPUID[EAX=0xd,ECX=1].EDX */
630     FEAT_7_1_EDX,       /* CPUID[EAX=7,ECX=1].EDX */
631     FEAT_7_2_EDX,       /* CPUID[EAX=7,ECX=2].EDX */
632     FEATURE_WORDS,
633 } FeatureWord;
634 
635 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
636 uint64_t x86_cpu_get_supported_feature_word(FeatureWord w,
637                                             bool migratable_only);
638 
639 /* cpuid_features bits */
640 #define CPUID_FP87 (1U << 0)
641 #define CPUID_VME  (1U << 1)
642 #define CPUID_DE   (1U << 2)
643 #define CPUID_PSE  (1U << 3)
644 #define CPUID_TSC  (1U << 4)
645 #define CPUID_MSR  (1U << 5)
646 #define CPUID_PAE  (1U << 6)
647 #define CPUID_MCE  (1U << 7)
648 #define CPUID_CX8  (1U << 8)
649 #define CPUID_APIC (1U << 9)
650 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
651 #define CPUID_MTRR (1U << 12)
652 #define CPUID_PGE  (1U << 13)
653 #define CPUID_MCA  (1U << 14)
654 #define CPUID_CMOV (1U << 15)
655 #define CPUID_PAT  (1U << 16)
656 #define CPUID_PSE36   (1U << 17)
657 #define CPUID_PN   (1U << 18)
658 #define CPUID_CLFLUSH (1U << 19)
659 #define CPUID_DTS (1U << 21)
660 #define CPUID_ACPI (1U << 22)
661 #define CPUID_MMX  (1U << 23)
662 #define CPUID_FXSR (1U << 24)
663 #define CPUID_SSE  (1U << 25)
664 #define CPUID_SSE2 (1U << 26)
665 #define CPUID_SS (1U << 27)
666 #define CPUID_HT (1U << 28)
667 #define CPUID_TM (1U << 29)
668 #define CPUID_IA64 (1U << 30)
669 #define CPUID_PBE (1U << 31)
670 
671 #define CPUID_EXT_SSE3     (1U << 0)
672 #define CPUID_EXT_PCLMULQDQ (1U << 1)
673 #define CPUID_EXT_DTES64   (1U << 2)
674 #define CPUID_EXT_MONITOR  (1U << 3)
675 #define CPUID_EXT_DSCPL    (1U << 4)
676 #define CPUID_EXT_VMX      (1U << 5)
677 #define CPUID_EXT_SMX      (1U << 6)
678 #define CPUID_EXT_EST      (1U << 7)
679 #define CPUID_EXT_TM2      (1U << 8)
680 #define CPUID_EXT_SSSE3    (1U << 9)
681 #define CPUID_EXT_CID      (1U << 10)
682 #define CPUID_EXT_FMA      (1U << 12)
683 #define CPUID_EXT_CX16     (1U << 13)
684 #define CPUID_EXT_XTPR     (1U << 14)
685 #define CPUID_EXT_PDCM     (1U << 15)
686 #define CPUID_EXT_PCID     (1U << 17)
687 #define CPUID_EXT_DCA      (1U << 18)
688 #define CPUID_EXT_SSE41    (1U << 19)
689 #define CPUID_EXT_SSE42    (1U << 20)
690 #define CPUID_EXT_X2APIC   (1U << 21)
691 #define CPUID_EXT_MOVBE    (1U << 22)
692 #define CPUID_EXT_POPCNT   (1U << 23)
693 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
694 #define CPUID_EXT_AES      (1U << 25)
695 #define CPUID_EXT_XSAVE    (1U << 26)
696 #define CPUID_EXT_OSXSAVE  (1U << 27)
697 #define CPUID_EXT_AVX      (1U << 28)
698 #define CPUID_EXT_F16C     (1U << 29)
699 #define CPUID_EXT_RDRAND   (1U << 30)
700 #define CPUID_EXT_HYPERVISOR  (1U << 31)
701 
702 #define CPUID_EXT2_FPU     (1U << 0)
703 #define CPUID_EXT2_VME     (1U << 1)
704 #define CPUID_EXT2_DE      (1U << 2)
705 #define CPUID_EXT2_PSE     (1U << 3)
706 #define CPUID_EXT2_TSC     (1U << 4)
707 #define CPUID_EXT2_MSR     (1U << 5)
708 #define CPUID_EXT2_PAE     (1U << 6)
709 #define CPUID_EXT2_MCE     (1U << 7)
710 #define CPUID_EXT2_CX8     (1U << 8)
711 #define CPUID_EXT2_APIC    (1U << 9)
712 #define CPUID_EXT2_SYSCALL (1U << 11)
713 #define CPUID_EXT2_MTRR    (1U << 12)
714 #define CPUID_EXT2_PGE     (1U << 13)
715 #define CPUID_EXT2_MCA     (1U << 14)
716 #define CPUID_EXT2_CMOV    (1U << 15)
717 #define CPUID_EXT2_PAT     (1U << 16)
718 #define CPUID_EXT2_PSE36   (1U << 17)
719 #define CPUID_EXT2_MP      (1U << 19)
720 #define CPUID_EXT2_NX      (1U << 20)
721 #define CPUID_EXT2_MMXEXT  (1U << 22)
722 #define CPUID_EXT2_MMX     (1U << 23)
723 #define CPUID_EXT2_FXSR    (1U << 24)
724 #define CPUID_EXT2_FFXSR   (1U << 25)
725 #define CPUID_EXT2_PDPE1GB (1U << 26)
726 #define CPUID_EXT2_RDTSCP  (1U << 27)
727 #define CPUID_EXT2_LM      (1U << 29)
728 #define CPUID_EXT2_3DNOWEXT (1U << 30)
729 #define CPUID_EXT2_3DNOW   (1U << 31)
730 
731 /* CPUID[8000_0001].EDX bits that are aliases of CPUID[1].EDX bits on AMD CPUs */
732 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
733                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
734                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
735                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
736                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
737                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
738                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
739                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
740                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
741 
742 #define CPUID_EXT3_LAHF_LM (1U << 0)
743 #define CPUID_EXT3_CMP_LEG (1U << 1)
744 #define CPUID_EXT3_SVM     (1U << 2)
745 #define CPUID_EXT3_EXTAPIC (1U << 3)
746 #define CPUID_EXT3_CR8LEG  (1U << 4)
747 #define CPUID_EXT3_ABM     (1U << 5)
748 #define CPUID_EXT3_SSE4A   (1U << 6)
749 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
750 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
751 #define CPUID_EXT3_OSVW    (1U << 9)
752 #define CPUID_EXT3_IBS     (1U << 10)
753 #define CPUID_EXT3_XOP     (1U << 11)
754 #define CPUID_EXT3_SKINIT  (1U << 12)
755 #define CPUID_EXT3_WDT     (1U << 13)
756 #define CPUID_EXT3_LWP     (1U << 15)
757 #define CPUID_EXT3_FMA4    (1U << 16)
758 #define CPUID_EXT3_TCE     (1U << 17)
759 #define CPUID_EXT3_NODEID  (1U << 19)
760 #define CPUID_EXT3_TBM     (1U << 21)
761 #define CPUID_EXT3_TOPOEXT (1U << 22)
762 #define CPUID_EXT3_PERFCORE (1U << 23)
763 #define CPUID_EXT3_PERFNB  (1U << 24)
764 
765 #define CPUID_SVM_NPT             (1U << 0)
766 #define CPUID_SVM_LBRV            (1U << 1)
767 #define CPUID_SVM_SVMLOCK         (1U << 2)
768 #define CPUID_SVM_NRIPSAVE        (1U << 3)
769 #define CPUID_SVM_TSCSCALE        (1U << 4)
770 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
771 #define CPUID_SVM_FLUSHASID       (1U << 6)
772 #define CPUID_SVM_DECODEASSIST    (1U << 7)
773 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
774 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
775 #define CPUID_SVM_AVIC            (1U << 13)
776 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
777 #define CPUID_SVM_VGIF            (1U << 16)
778 #define CPUID_SVM_VNMI            (1U << 25)
779 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
780 
781 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
782 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
783 /* Support SGX */
784 #define CPUID_7_0_EBX_SGX               (1U << 2)
785 /* 1st Group of Advanced Bit Manipulation Extensions */
786 #define CPUID_7_0_EBX_BMI1              (1U << 3)
787 /* Hardware Lock Elision */
788 #define CPUID_7_0_EBX_HLE               (1U << 4)
789 /* Intel Advanced Vector Extensions 2 */
790 #define CPUID_7_0_EBX_AVX2              (1U << 5)
791 /* Supervisor-mode Execution Prevention */
792 #define CPUID_7_0_EBX_SMEP              (1U << 7)
793 /* 2nd Group of Advanced Bit Manipulation Extensions */
794 #define CPUID_7_0_EBX_BMI2              (1U << 8)
795 /* Enhanced REP MOVSB/STOSB */
796 #define CPUID_7_0_EBX_ERMS              (1U << 9)
797 /* Invalidate Process-Context Identifier */
798 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
799 /* Restricted Transactional Memory */
800 #define CPUID_7_0_EBX_RTM               (1U << 11)
801 /* Memory Protection Extension */
802 #define CPUID_7_0_EBX_MPX               (1U << 14)
803 /* AVX-512 Foundation */
804 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
805 /* AVX-512 Doubleword & Quadword Instruction */
806 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
807 /* Read Random SEED */
808 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
809 /* ADCX and ADOX instructions */
810 #define CPUID_7_0_EBX_ADX               (1U << 19)
811 /* Supervisor Mode Access Prevention */
812 #define CPUID_7_0_EBX_SMAP              (1U << 20)
813 /* AVX-512 Integer Fused Multiply Add */
814 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
815 /* Persistent Commit */
816 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
817 /* Flush a Cache Line Optimized */
818 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
819 /* Cache Line Write Back */
820 #define CPUID_7_0_EBX_CLWB              (1U << 24)
821 /* Intel Processor Trace */
822 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
823 /* AVX-512 Prefetch */
824 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
825 /* AVX-512 Exponential and Reciprocal */
826 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
827 /* AVX-512 Conflict Detection */
828 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
829 /* SHA1/SHA256 Instruction Extensions */
830 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
831 /* AVX-512 Byte and Word Instructions */
832 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
833 /* AVX-512 Vector Length Extensions */
834 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
835 
836 /* AVX-512 Vector Byte Manipulation Instruction */
837 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
838 /* User-Mode Instruction Prevention */
839 #define CPUID_7_0_ECX_UMIP              (1U << 2)
840 /* Protection Keys for User-mode Pages */
841 #define CPUID_7_0_ECX_PKU               (1U << 3)
842 /* OS Enable Protection Keys */
843 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
844 /* UMONITOR/UMWAIT/TPAUSE Instructions */
845 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
846 /* Additional AVX-512 Vector Byte Manipulation Instruction */
847 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
848 /* Galois Field New Instructions */
849 #define CPUID_7_0_ECX_GFNI              (1U << 8)
850 /* Vector AES Instructions */
851 #define CPUID_7_0_ECX_VAES              (1U << 9)
852 /* Carry-Less Multiplication Quadword */
853 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
854 /* Vector Neural Network Instructions */
855 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
856 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
857 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
858 /* POPCNT for vectors of DW/QW */
859 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
860 /* 5-level Page Tables */
861 #define CPUID_7_0_ECX_LA57              (1U << 16)
862 /* Read Processor ID */
863 #define CPUID_7_0_ECX_RDPID             (1U << 22)
864 /* Bus Lock Debug Exception */
865 #define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
866 /* Cache Line Demote Instruction */
867 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
868 /* Move Doubleword as Direct Store Instruction */
869 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
870 /* Move 64 Bytes as Direct Store Instruction */
871 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
872 /* Support SGX Launch Control */
873 #define CPUID_7_0_ECX_SGX_LC            (1U << 30)
874 /* Protection Keys for Supervisor-mode Pages */
875 #define CPUID_7_0_ECX_PKS               (1U << 31)
876 
877 /* AVX512 Neural Network Instructions */
878 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
879 /* AVX512 Multiply Accumulation Single Precision */
880 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
881 /* Fast Short Rep Mov */
882 #define CPUID_7_0_EDX_FSRM              (1U << 4)
883 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
884 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
885 /* SERIALIZE instruction */
886 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
887 /* TSX Suspend Load Address Tracking instruction */
888 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
889 /* Architectural LBRs */
890 #define CPUID_7_0_EDX_ARCH_LBR          (1U << 19)
891 /* AMX_BF16 instruction */
892 #define CPUID_7_0_EDX_AMX_BF16          (1U << 22)
893 /* AVX512_FP16 instruction */
894 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
895 /* AMX tile (two-dimensional register) */
896 #define CPUID_7_0_EDX_AMX_TILE          (1U << 24)
897 /* AMX_INT8 instruction */
898 #define CPUID_7_0_EDX_AMX_INT8          (1U << 25)
899 /* Speculation Control */
900 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
901 /* Single Thread Indirect Branch Predictors */
902 #define CPUID_7_0_EDX_STIBP             (1U << 27)
903 /* Flush L1D cache */
904 #define CPUID_7_0_EDX_FLUSH_L1D         (1U << 28)
905 /* Arch Capabilities */
906 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
907 /* Core Capability */
908 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
909 /* Speculative Store Bypass Disable */
910 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
911 
912 /* AVX VNNI Instruction */
913 #define CPUID_7_1_EAX_AVX_VNNI          (1U << 4)
914 /* AVX512 BFloat16 Instruction */
915 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
916 /* CMPCCXADD Instructions */
917 #define CPUID_7_1_EAX_CMPCCXADD         (1U << 7)
918 /* Fast Zero REP MOVS */
919 #define CPUID_7_1_EAX_FZRM              (1U << 10)
920 /* Fast Short REP STOS */
921 #define CPUID_7_1_EAX_FSRS              (1U << 11)
922 /* Fast Short REP CMPS/SCAS */
923 #define CPUID_7_1_EAX_FSRC              (1U << 12)
924 /* Support Tile Computational Operations on FP16 Numbers */
925 #define CPUID_7_1_EAX_AMX_FP16          (1U << 21)
926 /* Support for VPMADD52[H,L]UQ */
927 #define CPUID_7_1_EAX_AVX_IFMA          (1U << 23)
928 
929 /* Support for VPDPB[SU,UU,SS]D[,S] */
930 #define CPUID_7_1_EDX_AVX_VNNI_INT8     (1U << 4)
931 /* AVX NE CONVERT Instructions */
932 #define CPUID_7_1_EDX_AVX_NE_CONVERT    (1U << 5)
933 /* AMX COMPLEX Instructions */
934 #define CPUID_7_1_EDX_AMX_COMPLEX       (1U << 8)
935 /* PREFETCHIT0/1 Instructions */
936 #define CPUID_7_1_EDX_PREFETCHITI       (1U << 14)
937 
938 /* Do not exhibit MXCSR Configuration Dependent Timing (MCDT) behavior */
939 #define CPUID_7_2_EDX_MCDT_NO           (1U << 5)
940 
941 /* XFD Extend Feature Disabled */
942 #define CPUID_D_1_EAX_XFD               (1U << 4)
943 
944 /* Packets which contain IP payload have LIP values */
945 #define CPUID_14_0_ECX_LIP              (1U << 31)
946 
947 /* CLZERO instruction */
948 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
949 /* Always save/restore FP error pointers */
950 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
951 /* Write back and do not invalidate cache */
952 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
953 /* Indirect Branch Prediction Barrier */
954 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
955 /* Indirect Branch Restricted Speculation */
956 #define CPUID_8000_0008_EBX_IBRS        (1U << 14)
957 /* Single Thread Indirect Branch Predictors */
958 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
959 /* STIBP mode has enhanced performance and may be left always on */
960 #define CPUID_8000_0008_EBX_STIBP_ALWAYS_ON    (1U << 17)
961 /* Speculative Store Bypass Disable */
962 #define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
963 /* Predictive Store Forwarding Disable */
964 #define CPUID_8000_0008_EBX_AMD_PSFD    (1U << 28)
965 
966 /* Processor ignores nested data breakpoints */
967 #define CPUID_8000_0021_EAX_No_NESTED_DATA_BP    (1U << 0)
968 /* LFENCE is always serializing */
969 #define CPUID_8000_0021_EAX_LFENCE_ALWAYS_SERIALIZING    (1U << 2)
970 /* Null Selector Clears Base */
971 #define CPUID_8000_0021_EAX_NULL_SEL_CLR_BASE    (1U << 6)
972 /* Automatic IBRS */
973 #define CPUID_8000_0021_EAX_AUTO_IBRS   (1U << 8)
974 
975 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
976 #define CPUID_XSAVE_XSAVEC     (1U << 1)
977 #define CPUID_XSAVE_XGETBV1    (1U << 2)
978 #define CPUID_XSAVE_XSAVES     (1U << 3)
979 
980 #define CPUID_6_EAX_ARAT       (1U << 2)
981 
982 /* CPUID[0x80000007].EDX flags: */
983 #define CPUID_APM_INVTSC       (1U << 8)
984 
985 #define CPUID_VENDOR_SZ      12
986 
987 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
988 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
989 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
990 #define CPUID_VENDOR_INTEL "GenuineIntel"
991 
992 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
993 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
994 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
995 #define CPUID_VENDOR_AMD   "AuthenticAMD"
996 
997 #define CPUID_VENDOR_VIA   "CentaurHauls"
998 
999 #define CPUID_VENDOR_HYGON    "HygonGenuine"
1000 
1001 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
1002                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
1003                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
1004 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
1005                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
1006                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
1007 
1008 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
1009 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
1010 
1011 /* CPUID[0xB].ECX level types */
1012 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
1013 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
1014 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
1015 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
1016 
1017 /* MSR Feature Bits */
1018 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
1019 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
1020 #define MSR_ARCH_CAP_RSBA               (1U << 2)
1021 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
1022 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
1023 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
1024 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
1025 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
1026 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
1027 #define MSR_ARCH_CAP_SBDR_SSDP_NO       (1U << 13)
1028 #define MSR_ARCH_CAP_FBSDP_NO           (1U << 14)
1029 #define MSR_ARCH_CAP_PSDP_NO            (1U << 15)
1030 #define MSR_ARCH_CAP_FB_CLEAR           (1U << 17)
1031 #define MSR_ARCH_CAP_PBRSB_NO           (1U << 24)
1032 
1033 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
1034 
1035 /* VMX MSR features */
1036 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
1037 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
1038 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
1039 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
1040 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
1041 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
1042 #define MSR_VMX_BASIC_ANY_ERRCODE                    (1ULL << 56)
1043 
1044 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
1045 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
1046 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
1047 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
1048 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
1049 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
1050 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
1051 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
1052 
1053 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
1054 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
1055 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
1056 #define MSR_VMX_EPT_UC                               (1ULL << 8)
1057 #define MSR_VMX_EPT_WB                               (1ULL << 14)
1058 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
1059 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
1060 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
1061 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
1062 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
1063 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
1064 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
1065 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
1066 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
1067 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
1068 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
1069 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
1070 
1071 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
1072 
1073 
1074 /* VMX controls */
1075 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
1076 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
1077 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
1078 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
1079 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
1080 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
1081 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
1082 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
1083 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
1084 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
1085 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
1086 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
1087 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
1088 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
1089 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
1090 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
1091 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
1092 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
1093 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
1094 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
1095 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
1096 
1097 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
1098 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
1099 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
1100 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
1101 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
1102 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
1103 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
1104 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
1105 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
1106 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
1107 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
1108 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
1109 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
1110 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
1111 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
1112 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
1113 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
1114 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
1115 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
1116 #define VMX_SECONDARY_EXEC_TSC_SCALING              0x02000000
1117 #define VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE   0x04000000
1118 
1119 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
1120 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
1121 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
1122 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
1123 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
1124 
1125 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
1126 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
1127 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
1128 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
1129 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
1130 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
1131 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
1132 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
1133 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
1134 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
1135 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
1136 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
1137 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
1138 
1139 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
1140 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
1141 #define VMX_VM_ENTRY_SMM                            0x00000400
1142 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
1143 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
1144 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
1145 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
1146 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
1147 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
1148 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
1149 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
1150 
1151 /* Supported Hyper-V Enlightenments */
1152 #define HYPERV_FEAT_RELAXED             0
1153 #define HYPERV_FEAT_VAPIC               1
1154 #define HYPERV_FEAT_TIME                2
1155 #define HYPERV_FEAT_CRASH               3
1156 #define HYPERV_FEAT_RESET               4
1157 #define HYPERV_FEAT_VPINDEX             5
1158 #define HYPERV_FEAT_RUNTIME             6
1159 #define HYPERV_FEAT_SYNIC               7
1160 #define HYPERV_FEAT_STIMER              8
1161 #define HYPERV_FEAT_FREQUENCIES         9
1162 #define HYPERV_FEAT_REENLIGHTENMENT     10
1163 #define HYPERV_FEAT_TLBFLUSH            11
1164 #define HYPERV_FEAT_EVMCS               12
1165 #define HYPERV_FEAT_IPI                 13
1166 #define HYPERV_FEAT_STIMER_DIRECT       14
1167 #define HYPERV_FEAT_AVIC                15
1168 #define HYPERV_FEAT_SYNDBG              16
1169 #define HYPERV_FEAT_MSR_BITMAP          17
1170 #define HYPERV_FEAT_XMM_INPUT           18
1171 #define HYPERV_FEAT_TLBFLUSH_EXT        19
1172 #define HYPERV_FEAT_TLBFLUSH_DIRECT     20
1173 
1174 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1175 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1176 #endif
1177 
1178 #define EXCP00_DIVZ	0
1179 #define EXCP01_DB	1
1180 #define EXCP02_NMI	2
1181 #define EXCP03_INT3	3
1182 #define EXCP04_INTO	4
1183 #define EXCP05_BOUND	5
1184 #define EXCP06_ILLOP	6
1185 #define EXCP07_PREX	7
1186 #define EXCP08_DBLE	8
1187 #define EXCP09_XERR	9
1188 #define EXCP0A_TSS	10
1189 #define EXCP0B_NOSEG	11
1190 #define EXCP0C_STACK	12
1191 #define EXCP0D_GPF	13
1192 #define EXCP0E_PAGE	14
1193 #define EXCP10_COPR	16
1194 #define EXCP11_ALGN	17
1195 #define EXCP12_MCHK	18
1196 
1197 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1198 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1199 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1200 
1201 /* i386-specific interrupt pending bits.  */
1202 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1203 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1204 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1205 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1206 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1207 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1208 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1209 
1210 /* Use a clearer name for this.  */
1211 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1212 
1213 /* Instead of computing the condition codes after each x86 instruction,
1214  * QEMU just stores one operand (called CC_SRC), the result
1215  * (called CC_DST) and the type of operation (called CC_OP). When the
1216  * condition codes are needed, the condition codes can be calculated
1217  * using this information. Condition codes are not generated if they
1218  * are only needed for conditional branches.
1219  */
1220 typedef enum {
1221     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1222     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1223 
1224     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1225     CC_OP_MULW,
1226     CC_OP_MULL,
1227     CC_OP_MULQ,
1228 
1229     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1230     CC_OP_ADDW,
1231     CC_OP_ADDL,
1232     CC_OP_ADDQ,
1233 
1234     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1235     CC_OP_ADCW,
1236     CC_OP_ADCL,
1237     CC_OP_ADCQ,
1238 
1239     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1240     CC_OP_SUBW,
1241     CC_OP_SUBL,
1242     CC_OP_SUBQ,
1243 
1244     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1245     CC_OP_SBBW,
1246     CC_OP_SBBL,
1247     CC_OP_SBBQ,
1248 
1249     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1250     CC_OP_LOGICW,
1251     CC_OP_LOGICL,
1252     CC_OP_LOGICQ,
1253 
1254     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1255     CC_OP_INCW,
1256     CC_OP_INCL,
1257     CC_OP_INCQ,
1258 
1259     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1260     CC_OP_DECW,
1261     CC_OP_DECL,
1262     CC_OP_DECQ,
1263 
1264     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1265     CC_OP_SHLW,
1266     CC_OP_SHLL,
1267     CC_OP_SHLQ,
1268 
1269     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1270     CC_OP_SARW,
1271     CC_OP_SARL,
1272     CC_OP_SARQ,
1273 
1274     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1275     CC_OP_BMILGW,
1276     CC_OP_BMILGL,
1277     CC_OP_BMILGQ,
1278 
1279     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1280     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1281     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1282 
1283     CC_OP_CLR, /* Z set, all other flags clear.  */
1284     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1285 
1286     CC_OP_NB,
1287 } CCOp;
1288 
1289 typedef struct SegmentCache {
1290     uint32_t selector;
1291     target_ulong base;
1292     uint32_t limit;
1293     uint32_t flags;
1294 } SegmentCache;
1295 
1296 typedef union MMXReg {
1297     uint8_t  _b_MMXReg[64 / 8];
1298     uint16_t _w_MMXReg[64 / 16];
1299     uint32_t _l_MMXReg[64 / 32];
1300     uint64_t _q_MMXReg[64 / 64];
1301     float32  _s_MMXReg[64 / 32];
1302     float64  _d_MMXReg[64 / 64];
1303 } MMXReg;
1304 
1305 typedef union XMMReg {
1306     uint64_t _q_XMMReg[128 / 64];
1307 } XMMReg;
1308 
1309 typedef union YMMReg {
1310     uint64_t _q_YMMReg[256 / 64];
1311     XMMReg   _x_YMMReg[256 / 128];
1312 } YMMReg;
1313 
1314 typedef union ZMMReg {
1315     uint8_t  _b_ZMMReg[512 / 8];
1316     uint16_t _w_ZMMReg[512 / 16];
1317     uint32_t _l_ZMMReg[512 / 32];
1318     uint64_t _q_ZMMReg[512 / 64];
1319     float16  _h_ZMMReg[512 / 16];
1320     float32  _s_ZMMReg[512 / 32];
1321     float64  _d_ZMMReg[512 / 64];
1322     XMMReg   _x_ZMMReg[512 / 128];
1323     YMMReg   _y_ZMMReg[512 / 256];
1324 } ZMMReg;
1325 
1326 typedef struct BNDReg {
1327     uint64_t lb;
1328     uint64_t ub;
1329 } BNDReg;
1330 
1331 typedef struct BNDCSReg {
1332     uint64_t cfgu;
1333     uint64_t sts;
1334 } BNDCSReg;
1335 
1336 #define BNDCFG_ENABLE       1ULL
1337 #define BNDCFG_BNDPRESERVE  2ULL
1338 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1339 
1340 #if HOST_BIG_ENDIAN
1341 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1342 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1343 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1344 #define ZMM_H(n) _h_ZMMReg[31 - (n)]
1345 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1346 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1347 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1348 #define ZMM_X(n) _x_ZMMReg[3 - (n)]
1349 #define ZMM_Y(n) _y_ZMMReg[1 - (n)]
1350 
1351 #define XMM_Q(n) _q_XMMReg[1 - (n)]
1352 
1353 #define YMM_Q(n) _q_YMMReg[3 - (n)]
1354 #define YMM_X(n) _x_YMMReg[1 - (n)]
1355 
1356 #define MMX_B(n) _b_MMXReg[7 - (n)]
1357 #define MMX_W(n) _w_MMXReg[3 - (n)]
1358 #define MMX_L(n) _l_MMXReg[1 - (n)]
1359 #define MMX_S(n) _s_MMXReg[1 - (n)]
1360 #else
1361 #define ZMM_B(n) _b_ZMMReg[n]
1362 #define ZMM_W(n) _w_ZMMReg[n]
1363 #define ZMM_L(n) _l_ZMMReg[n]
1364 #define ZMM_H(n) _h_ZMMReg[n]
1365 #define ZMM_S(n) _s_ZMMReg[n]
1366 #define ZMM_Q(n) _q_ZMMReg[n]
1367 #define ZMM_D(n) _d_ZMMReg[n]
1368 #define ZMM_X(n) _x_ZMMReg[n]
1369 #define ZMM_Y(n) _y_ZMMReg[n]
1370 
1371 #define XMM_Q(n) _q_XMMReg[n]
1372 
1373 #define YMM_Q(n) _q_YMMReg[n]
1374 #define YMM_X(n) _x_YMMReg[n]
1375 
1376 #define MMX_B(n) _b_MMXReg[n]
1377 #define MMX_W(n) _w_MMXReg[n]
1378 #define MMX_L(n) _l_MMXReg[n]
1379 #define MMX_S(n) _s_MMXReg[n]
1380 #endif
1381 #define MMX_Q(n) _q_MMXReg[n]
1382 
1383 typedef union {
1384     floatx80 d __attribute__((aligned(16)));
1385     MMXReg mmx;
1386 } FPReg;
1387 
1388 typedef struct {
1389     uint64_t base;
1390     uint64_t mask;
1391 } MTRRVar;
1392 
1393 #define CPU_NB_REGS64 16
1394 #define CPU_NB_REGS32 8
1395 
1396 #ifdef TARGET_X86_64
1397 #define CPU_NB_REGS CPU_NB_REGS64
1398 #else
1399 #define CPU_NB_REGS CPU_NB_REGS32
1400 #endif
1401 
1402 #define MAX_FIXED_COUNTERS 3
1403 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1404 
1405 #define TARGET_INSN_START_EXTRA_WORDS 1
1406 
1407 #define NB_OPMASK_REGS 8
1408 
1409 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1410  * that APIC ID hasn't been set yet
1411  */
1412 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1413 
1414 typedef union X86LegacyXSaveArea {
1415     struct {
1416         uint16_t fcw;
1417         uint16_t fsw;
1418         uint8_t ftw;
1419         uint8_t reserved;
1420         uint16_t fpop;
1421         uint64_t fpip;
1422         uint64_t fpdp;
1423         uint32_t mxcsr;
1424         uint32_t mxcsr_mask;
1425         FPReg fpregs[8];
1426         uint8_t xmm_regs[16][16];
1427     };
1428     uint8_t data[512];
1429 } X86LegacyXSaveArea;
1430 
1431 typedef struct X86XSaveHeader {
1432     uint64_t xstate_bv;
1433     uint64_t xcomp_bv;
1434     uint64_t reserve0;
1435     uint8_t reserved[40];
1436 } X86XSaveHeader;
1437 
1438 /* Ext. save area 2: AVX State */
1439 typedef struct XSaveAVX {
1440     uint8_t ymmh[16][16];
1441 } XSaveAVX;
1442 
1443 /* Ext. save area 3: BNDREG */
1444 typedef struct XSaveBNDREG {
1445     BNDReg bnd_regs[4];
1446 } XSaveBNDREG;
1447 
1448 /* Ext. save area 4: BNDCSR */
1449 typedef union XSaveBNDCSR {
1450     BNDCSReg bndcsr;
1451     uint8_t data[64];
1452 } XSaveBNDCSR;
1453 
1454 /* Ext. save area 5: Opmask */
1455 typedef struct XSaveOpmask {
1456     uint64_t opmask_regs[NB_OPMASK_REGS];
1457 } XSaveOpmask;
1458 
1459 /* Ext. save area 6: ZMM_Hi256 */
1460 typedef struct XSaveZMM_Hi256 {
1461     uint8_t zmm_hi256[16][32];
1462 } XSaveZMM_Hi256;
1463 
1464 /* Ext. save area 7: Hi16_ZMM */
1465 typedef struct XSaveHi16_ZMM {
1466     uint8_t hi16_zmm[16][64];
1467 } XSaveHi16_ZMM;
1468 
1469 /* Ext. save area 9: PKRU state */
1470 typedef struct XSavePKRU {
1471     uint32_t pkru;
1472     uint32_t padding;
1473 } XSavePKRU;
1474 
1475 /* Ext. save area 17: AMX XTILECFG state */
1476 typedef struct XSaveXTILECFG {
1477     uint8_t xtilecfg[64];
1478 } XSaveXTILECFG;
1479 
1480 /* Ext. save area 18: AMX XTILEDATA state */
1481 typedef struct XSaveXTILEDATA {
1482     uint8_t xtiledata[8][1024];
1483 } XSaveXTILEDATA;
1484 
1485 typedef struct {
1486        uint64_t from;
1487        uint64_t to;
1488        uint64_t info;
1489 } LBREntry;
1490 
1491 #define ARCH_LBR_NR_ENTRIES            32
1492 
1493 /* Ext. save area 19: Supervisor mode Arch LBR state */
1494 typedef struct XSavesArchLBR {
1495     uint64_t lbr_ctl;
1496     uint64_t lbr_depth;
1497     uint64_t ler_from;
1498     uint64_t ler_to;
1499     uint64_t ler_info;
1500     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1501 } XSavesArchLBR;
1502 
1503 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1504 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1505 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1506 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1507 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1508 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1509 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1510 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILECFG) != 0x40);
1511 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILEDATA) != 0x2000);
1512 QEMU_BUILD_BUG_ON(sizeof(XSavesArchLBR) != 0x328);
1513 
1514 typedef struct ExtSaveArea {
1515     uint32_t feature, bits;
1516     uint32_t offset, size;
1517     uint32_t ecx;
1518 } ExtSaveArea;
1519 
1520 #define XSAVE_STATE_AREA_COUNT (XSTATE_XTILE_DATA_BIT + 1)
1521 
1522 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
1523 
1524 typedef enum TPRAccess {
1525     TPR_ACCESS_READ,
1526     TPR_ACCESS_WRITE,
1527 } TPRAccess;
1528 
1529 /* Cache information data structures: */
1530 
1531 enum CacheType {
1532     DATA_CACHE,
1533     INSTRUCTION_CACHE,
1534     UNIFIED_CACHE
1535 };
1536 
1537 typedef struct CPUCacheInfo {
1538     enum CacheType type;
1539     uint8_t level;
1540     /* Size in bytes */
1541     uint32_t size;
1542     /* Line size, in bytes */
1543     uint16_t line_size;
1544     /*
1545      * Associativity.
1546      * Note: representation of fully-associative caches is not implemented
1547      */
1548     uint8_t associativity;
1549     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1550     uint8_t partitions;
1551     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1552     uint32_t sets;
1553     /*
1554      * Lines per tag.
1555      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1556      * (Is this synonym to @partitions?)
1557      */
1558     uint8_t lines_per_tag;
1559 
1560     /* Self-initializing cache */
1561     bool self_init;
1562     /*
1563      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1564      * non-originating threads sharing this cache.
1565      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1566      */
1567     bool no_invd_sharing;
1568     /*
1569      * Cache is inclusive of lower cache levels.
1570      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1571      */
1572     bool inclusive;
1573     /*
1574      * A complex function is used to index the cache, potentially using all
1575      * address bits.  CPUID[4].EDX[bit 2].
1576      */
1577     bool complex_indexing;
1578 } CPUCacheInfo;
1579 
1580 
1581 typedef struct CPUCaches {
1582         CPUCacheInfo *l1d_cache;
1583         CPUCacheInfo *l1i_cache;
1584         CPUCacheInfo *l2_cache;
1585         CPUCacheInfo *l3_cache;
1586 } CPUCaches;
1587 
1588 typedef struct HVFX86LazyFlags {
1589     target_ulong result;
1590     target_ulong auxbits;
1591 } HVFX86LazyFlags;
1592 
1593 typedef struct CPUArchState {
1594     /* standard registers */
1595     target_ulong regs[CPU_NB_REGS];
1596     target_ulong eip;
1597     target_ulong eflags; /* eflags register. During CPU emulation, CC
1598                         flags and DF are set to zero because they are
1599                         stored elsewhere */
1600 
1601     /* emulator internal eflags handling */
1602     target_ulong cc_dst;
1603     target_ulong cc_src;
1604     target_ulong cc_src2;
1605     uint32_t cc_op;
1606     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1607     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1608                         are known at translation time. */
1609     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1610 
1611     /* segments */
1612     SegmentCache segs[6]; /* selector values */
1613     SegmentCache ldt;
1614     SegmentCache tr;
1615     SegmentCache gdt; /* only base and limit are used */
1616     SegmentCache idt; /* only base and limit are used */
1617 
1618     target_ulong cr[5]; /* NOTE: cr1 is unused */
1619 
1620     bool pdptrs_valid;
1621     uint64_t pdptrs[4];
1622     int32_t a20_mask;
1623 
1624     BNDReg bnd_regs[4];
1625     BNDCSReg bndcs_regs;
1626     uint64_t msr_bndcfgs;
1627     uint64_t efer;
1628 
1629     /* Beginning of state preserved by INIT (dummy marker).  */
1630     struct {} start_init_save;
1631 
1632     /* FPU state */
1633     unsigned int fpstt; /* top of stack index */
1634     uint16_t fpus;
1635     uint16_t fpuc;
1636     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1637     FPReg fpregs[8];
1638     /* KVM-only so far */
1639     uint16_t fpop;
1640     uint16_t fpcs;
1641     uint16_t fpds;
1642     uint64_t fpip;
1643     uint64_t fpdp;
1644 
1645     /* emulator internal variables */
1646     float_status fp_status;
1647     floatx80 ft0;
1648 
1649     float_status mmx_status; /* for 3DNow! float ops */
1650     float_status sse_status;
1651     uint32_t mxcsr;
1652     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32] QEMU_ALIGNED(16);
1653     ZMMReg xmm_t0 QEMU_ALIGNED(16);
1654     MMXReg mmx_t0;
1655 
1656     uint64_t opmask_regs[NB_OPMASK_REGS];
1657 #ifdef TARGET_X86_64
1658     uint8_t xtilecfg[64];
1659     uint8_t xtiledata[8192];
1660 #endif
1661 
1662     /* sysenter registers */
1663     uint32_t sysenter_cs;
1664     target_ulong sysenter_esp;
1665     target_ulong sysenter_eip;
1666     uint64_t star;
1667 
1668     uint64_t vm_hsave;
1669 
1670 #ifdef TARGET_X86_64
1671     target_ulong lstar;
1672     target_ulong cstar;
1673     target_ulong fmask;
1674     target_ulong kernelgsbase;
1675 #endif
1676 
1677     uint64_t tsc_adjust;
1678     uint64_t tsc_deadline;
1679     uint64_t tsc_aux;
1680 
1681     uint64_t xcr0;
1682 
1683     uint64_t mcg_status;
1684     uint64_t msr_ia32_misc_enable;
1685     uint64_t msr_ia32_feature_control;
1686     uint64_t msr_ia32_sgxlepubkeyhash[4];
1687 
1688     uint64_t msr_fixed_ctr_ctrl;
1689     uint64_t msr_global_ctrl;
1690     uint64_t msr_global_status;
1691     uint64_t msr_global_ovf_ctrl;
1692     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1693     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1694     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1695 
1696     uint64_t pat;
1697     uint32_t smbase;
1698     uint64_t msr_smi_count;
1699 
1700     uint32_t pkru;
1701     uint32_t pkrs;
1702     uint32_t tsx_ctrl;
1703 
1704     uint64_t spec_ctrl;
1705     uint64_t amd_tsc_scale_msr;
1706     uint64_t virt_ssbd;
1707 
1708     /* End of state preserved by INIT (dummy marker).  */
1709     struct {} end_init_save;
1710 
1711     uint64_t system_time_msr;
1712     uint64_t wall_clock_msr;
1713     uint64_t steal_time_msr;
1714     uint64_t async_pf_en_msr;
1715     uint64_t async_pf_int_msr;
1716     uint64_t pv_eoi_en_msr;
1717     uint64_t poll_control_msr;
1718 
1719     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1720     uint64_t msr_hv_hypercall;
1721     uint64_t msr_hv_guest_os_id;
1722     uint64_t msr_hv_tsc;
1723     uint64_t msr_hv_syndbg_control;
1724     uint64_t msr_hv_syndbg_status;
1725     uint64_t msr_hv_syndbg_send_page;
1726     uint64_t msr_hv_syndbg_recv_page;
1727     uint64_t msr_hv_syndbg_pending_page;
1728     uint64_t msr_hv_syndbg_options;
1729 
1730     /* Per-VCPU HV MSRs */
1731     uint64_t msr_hv_vapic;
1732     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1733     uint64_t msr_hv_runtime;
1734     uint64_t msr_hv_synic_control;
1735     uint64_t msr_hv_synic_evt_page;
1736     uint64_t msr_hv_synic_msg_page;
1737     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1738     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1739     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1740     uint64_t msr_hv_reenlightenment_control;
1741     uint64_t msr_hv_tsc_emulation_control;
1742     uint64_t msr_hv_tsc_emulation_status;
1743 
1744     uint64_t msr_rtit_ctrl;
1745     uint64_t msr_rtit_status;
1746     uint64_t msr_rtit_output_base;
1747     uint64_t msr_rtit_output_mask;
1748     uint64_t msr_rtit_cr3_match;
1749     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1750 
1751     /* Per-VCPU XFD MSRs */
1752     uint64_t msr_xfd;
1753     uint64_t msr_xfd_err;
1754 
1755     /* Per-VCPU Arch LBR MSRs */
1756     uint64_t msr_lbr_ctl;
1757     uint64_t msr_lbr_depth;
1758     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1759 
1760     /* exception/interrupt handling */
1761     int error_code;
1762     int exception_is_int;
1763     target_ulong exception_next_eip;
1764     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1765     union {
1766         struct CPUBreakpoint *cpu_breakpoint[4];
1767         struct CPUWatchpoint *cpu_watchpoint[4];
1768     }; /* break/watchpoints for dr[0..3] */
1769     int old_exception;  /* exception in flight */
1770 
1771     uint64_t vm_vmcb;
1772     uint64_t tsc_offset;
1773     uint64_t intercept;
1774     uint16_t intercept_cr_read;
1775     uint16_t intercept_cr_write;
1776     uint16_t intercept_dr_read;
1777     uint16_t intercept_dr_write;
1778     uint32_t intercept_exceptions;
1779     uint64_t nested_cr3;
1780     uint32_t nested_pg_mode;
1781     uint8_t v_tpr;
1782     uint32_t int_ctl;
1783 
1784     /* KVM states, automatically cleared on reset */
1785     uint8_t nmi_injected;
1786     uint8_t nmi_pending;
1787 
1788     uintptr_t retaddr;
1789 
1790     /* Fields up to this point are cleared by a CPU reset */
1791     struct {} end_reset_fields;
1792 
1793     /* Fields after this point are preserved across CPU reset. */
1794 
1795     /* processor features (e.g. for CPUID insn) */
1796     /* Minimum cpuid leaf 7 value */
1797     uint32_t cpuid_level_func7;
1798     /* Actual cpuid leaf 7 value */
1799     uint32_t cpuid_min_level_func7;
1800     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1801     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1802     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1803     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1804     /* Actual level/xlevel/xlevel2 value: */
1805     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1806     uint32_t cpuid_vendor1;
1807     uint32_t cpuid_vendor2;
1808     uint32_t cpuid_vendor3;
1809     uint32_t cpuid_version;
1810     FeatureWordArray features;
1811     /* Features that were explicitly enabled/disabled */
1812     FeatureWordArray user_features;
1813     uint32_t cpuid_model[12];
1814     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1815      * on each CPUID leaf will be different, because we keep compatibility
1816      * with old QEMU versions.
1817      */
1818     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1819 
1820     /* MTRRs */
1821     uint64_t mtrr_fixed[11];
1822     uint64_t mtrr_deftype;
1823     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1824 
1825     /* For KVM */
1826     uint32_t mp_state;
1827     int32_t exception_nr;
1828     int32_t interrupt_injected;
1829     uint8_t soft_interrupt;
1830     uint8_t exception_pending;
1831     uint8_t exception_injected;
1832     uint8_t has_error_code;
1833     uint8_t exception_has_payload;
1834     uint64_t exception_payload;
1835     uint8_t triple_fault_pending;
1836     uint32_t ins_len;
1837     uint32_t sipi_vector;
1838     bool tsc_valid;
1839     int64_t tsc_khz;
1840     int64_t user_tsc_khz; /* for sanity check only */
1841     uint64_t apic_bus_freq;
1842     uint64_t tsc;
1843 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1844     void *xsave_buf;
1845     uint32_t xsave_buf_len;
1846 #endif
1847 #if defined(CONFIG_KVM)
1848     struct kvm_nested_state *nested_state;
1849     MemoryRegion *xen_vcpu_info_mr;
1850     void *xen_vcpu_info_hva;
1851     uint64_t xen_vcpu_info_gpa;
1852     uint64_t xen_vcpu_info_default_gpa;
1853     uint64_t xen_vcpu_time_info_gpa;
1854     uint64_t xen_vcpu_runstate_gpa;
1855     uint8_t xen_vcpu_callback_vector;
1856     bool xen_callback_asserted;
1857     uint16_t xen_virq[XEN_NR_VIRQS];
1858     uint64_t xen_singleshot_timer_ns;
1859     QEMUTimer *xen_singleshot_timer;
1860     uint64_t xen_periodic_timer_period;
1861     QEMUTimer *xen_periodic_timer;
1862     QemuMutex xen_timers_lock;
1863 #endif
1864 #if defined(CONFIG_HVF)
1865     HVFX86LazyFlags hvf_lflags;
1866     void *hvf_mmio_buf;
1867 #endif
1868 
1869     uint64_t mcg_cap;
1870     uint64_t mcg_ctl;
1871     uint64_t mcg_ext_ctl;
1872     uint64_t mce_banks[MCE_BANKS_DEF*4];
1873     uint64_t xstate_bv;
1874 
1875     /* vmstate */
1876     uint16_t fpus_vmstate;
1877     uint16_t fptag_vmstate;
1878     uint16_t fpregs_format_vmstate;
1879 
1880     uint64_t xss;
1881     uint32_t umwait;
1882 
1883     TPRAccess tpr_access_type;
1884 
1885     unsigned nr_dies;
1886 } CPUX86State;
1887 
1888 struct kvm_msrs;
1889 
1890 /**
1891  * X86CPU:
1892  * @env: #CPUX86State
1893  * @migratable: If set, only migratable flags will be accepted when "enforce"
1894  * mode is used, and only migratable flags will be included in the "host"
1895  * CPU model.
1896  *
1897  * An x86 CPU.
1898  */
1899 struct ArchCPU {
1900     /*< private >*/
1901     CPUState parent_obj;
1902     /*< public >*/
1903 
1904     CPUX86State env;
1905     VMChangeStateEntry *vmsentry;
1906 
1907     uint64_t ucode_rev;
1908 
1909     uint32_t hyperv_spinlock_attempts;
1910     char *hyperv_vendor;
1911     bool hyperv_synic_kvm_only;
1912     uint64_t hyperv_features;
1913     bool hyperv_passthrough;
1914     OnOffAuto hyperv_no_nonarch_cs;
1915     uint32_t hyperv_vendor_id[3];
1916     uint32_t hyperv_interface_id[4];
1917     uint32_t hyperv_limits[3];
1918     bool hyperv_enforce_cpuid;
1919     uint32_t hyperv_ver_id_build;
1920     uint16_t hyperv_ver_id_major;
1921     uint16_t hyperv_ver_id_minor;
1922     uint32_t hyperv_ver_id_sp;
1923     uint8_t hyperv_ver_id_sb;
1924     uint32_t hyperv_ver_id_sn;
1925 
1926     bool check_cpuid;
1927     bool enforce_cpuid;
1928     /*
1929      * Force features to be enabled even if the host doesn't support them.
1930      * This is dangerous and should be done only for testing CPUID
1931      * compatibility.
1932      */
1933     bool force_features;
1934     bool expose_kvm;
1935     bool expose_tcg;
1936     bool migratable;
1937     bool migrate_smi_count;
1938     bool max_features; /* Enable all supported features automatically */
1939     uint32_t apic_id;
1940 
1941     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1942      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1943     bool vmware_cpuid_freq;
1944 
1945     /* if true the CPUID code directly forward host cache leaves to the guest */
1946     bool cache_info_passthrough;
1947 
1948     /* if true the CPUID code directly forwards
1949      * host monitor/mwait leaves to the guest */
1950     struct {
1951         uint32_t eax;
1952         uint32_t ebx;
1953         uint32_t ecx;
1954         uint32_t edx;
1955     } mwait;
1956 
1957     /* Features that were filtered out because of missing host capabilities */
1958     FeatureWordArray filtered_features;
1959 
1960     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1961      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1962      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1963      * capabilities) directly to the guest.
1964      */
1965     bool enable_pmu;
1966 
1967     /*
1968      * Enable LBR_FMT bits of IA32_PERF_CAPABILITIES MSR.
1969      * This can't be initialized with a default because it doesn't have
1970      * stable ABI support yet. It is only allowed to pass all LBR_FMT bits
1971      * returned by kvm_arch_get_supported_msr_feature()(which depends on both
1972      * host CPU and kernel capabilities) to the guest.
1973      */
1974     uint64_t lbr_fmt;
1975 
1976     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1977      * disabled by default to avoid breaking migration between QEMU with
1978      * different LMCE configurations.
1979      */
1980     bool enable_lmce;
1981 
1982     /* Compatibility bits for old machine types.
1983      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1984      * socket share an virtual l3 cache.
1985      */
1986     bool enable_l3_cache;
1987 
1988     /* Compatibility bits for old machine types.
1989      * If true present the old cache topology information
1990      */
1991     bool legacy_cache;
1992 
1993     /* Compatibility bits for old machine types: */
1994     bool enable_cpuid_0xb;
1995 
1996     /* Enable auto level-increase for all CPUID leaves */
1997     bool full_cpuid_auto_level;
1998 
1999     /* Only advertise CPUID leaves defined by the vendor */
2000     bool vendor_cpuid_only;
2001 
2002     /* Enable auto level-increase for Intel Processor Trace leave */
2003     bool intel_pt_auto_level;
2004 
2005     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
2006     bool fill_mtrr_mask;
2007 
2008     /* if true override the phys_bits value with a value read from the host */
2009     bool host_phys_bits;
2010 
2011     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
2012     uint8_t host_phys_bits_limit;
2013 
2014     /* Stop SMI delivery for migration compatibility with old machines */
2015     bool kvm_no_smi_migration;
2016 
2017     /* Forcefully disable KVM PV features not exposed in guest CPUIDs */
2018     bool kvm_pv_enforce_cpuid;
2019 
2020     /* Number of physical address bits supported */
2021     uint32_t phys_bits;
2022 
2023     /* in order to simplify APIC support, we leave this pointer to the
2024        user */
2025     struct DeviceState *apic_state;
2026     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
2027     Notifier machine_done;
2028 
2029     struct kvm_msrs *kvm_msr_buf;
2030 
2031     int32_t node_id; /* NUMA node this CPU belongs to */
2032     int32_t socket_id;
2033     int32_t die_id;
2034     int32_t core_id;
2035     int32_t thread_id;
2036 
2037     int32_t hv_max_vps;
2038 
2039     bool xen_vapic;
2040 };
2041 
2042 
2043 #ifndef CONFIG_USER_ONLY
2044 extern const VMStateDescription vmstate_x86_cpu;
2045 #endif
2046 
2047 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
2048 
2049 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
2050                              int cpuid, DumpState *s);
2051 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
2052                              int cpuid, DumpState *s);
2053 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2054                                  DumpState *s);
2055 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2056                                  DumpState *s);
2057 
2058 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
2059                                 Error **errp);
2060 
2061 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
2062 
2063 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
2064 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
2065 
2066 void x86_cpu_list(void);
2067 int cpu_x86_support_mca_broadcast(CPUX86State *env);
2068 
2069 #ifndef CONFIG_USER_ONLY
2070 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
2071                                          MemTxAttrs *attrs);
2072 int cpu_get_pic_interrupt(CPUX86State *s);
2073 
2074 /* MS-DOS compatibility mode FPU exception support */
2075 void x86_register_ferr_irq(qemu_irq irq);
2076 void fpu_check_raise_ferr_irq(CPUX86State *s);
2077 void cpu_set_ignne(void);
2078 void cpu_clear_ignne(void);
2079 #endif
2080 
2081 /* mpx_helper.c */
2082 void cpu_sync_bndcs_hflags(CPUX86State *env);
2083 
2084 /* this function must always be used to load data in the segment
2085    cache: it synchronizes the hflags with the segment cache values */
2086 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
2087                                           X86Seg seg_reg, unsigned int selector,
2088                                           target_ulong base,
2089                                           unsigned int limit,
2090                                           unsigned int flags)
2091 {
2092     SegmentCache *sc;
2093     unsigned int new_hflags;
2094 
2095     sc = &env->segs[seg_reg];
2096     sc->selector = selector;
2097     sc->base = base;
2098     sc->limit = limit;
2099     sc->flags = flags;
2100 
2101     /* update the hidden flags */
2102     {
2103         if (seg_reg == R_CS) {
2104 #ifdef TARGET_X86_64
2105             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
2106                 /* long mode */
2107                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
2108                 env->hflags &= ~(HF_ADDSEG_MASK);
2109             } else
2110 #endif
2111             {
2112                 /* legacy / compatibility case */
2113                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
2114                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
2115                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
2116                     new_hflags;
2117             }
2118         }
2119         if (seg_reg == R_SS) {
2120             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
2121 #if HF_CPL_MASK != 3
2122 #error HF_CPL_MASK is hardcoded
2123 #endif
2124             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
2125             /* Possibly switch between BNDCFGS and BNDCFGU */
2126             cpu_sync_bndcs_hflags(env);
2127         }
2128         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
2129             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
2130         if (env->hflags & HF_CS64_MASK) {
2131             /* zero base assumed for DS, ES and SS in long mode */
2132         } else if (!(env->cr[0] & CR0_PE_MASK) ||
2133                    (env->eflags & VM_MASK) ||
2134                    !(env->hflags & HF_CS32_MASK)) {
2135             /* XXX: try to avoid this test. The problem comes from the
2136                fact that is real mode or vm86 mode we only modify the
2137                'base' and 'selector' fields of the segment cache to go
2138                faster. A solution may be to force addseg to one in
2139                translate-i386.c. */
2140             new_hflags |= HF_ADDSEG_MASK;
2141         } else {
2142             new_hflags |= ((env->segs[R_DS].base |
2143                             env->segs[R_ES].base |
2144                             env->segs[R_SS].base) != 0) <<
2145                 HF_ADDSEG_SHIFT;
2146         }
2147         env->hflags = (env->hflags &
2148                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
2149     }
2150 }
2151 
2152 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
2153                                                uint8_t sipi_vector)
2154 {
2155     CPUState *cs = CPU(cpu);
2156     CPUX86State *env = &cpu->env;
2157 
2158     env->eip = 0;
2159     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
2160                            sipi_vector << 12,
2161                            env->segs[R_CS].limit,
2162                            env->segs[R_CS].flags);
2163     cs->halted = 0;
2164 }
2165 
2166 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
2167                             target_ulong *base, unsigned int *limit,
2168                             unsigned int *flags);
2169 
2170 /* op_helper.c */
2171 /* used for debug or cpu save/restore */
2172 
2173 /* cpu-exec.c */
2174 /* the following helpers are only usable in user mode simulation as
2175    they can trigger unexpected exceptions */
2176 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
2177 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
2178 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
2179 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
2180 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
2181 void cpu_x86_xsave(CPUX86State *s, target_ulong ptr);
2182 void cpu_x86_xrstor(CPUX86State *s, target_ulong ptr);
2183 
2184 /* cpu.c */
2185 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
2186                               uint32_t vendor2, uint32_t vendor3);
2187 typedef struct PropValue {
2188     const char *prop, *value;
2189 } PropValue;
2190 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props);
2191 
2192 void x86_cpu_after_reset(X86CPU *cpu);
2193 
2194 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env);
2195 
2196 /* cpu.c other functions (cpuid) */
2197 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2198                    uint32_t *eax, uint32_t *ebx,
2199                    uint32_t *ecx, uint32_t *edx);
2200 void cpu_clear_apic_feature(CPUX86State *env);
2201 void host_cpuid(uint32_t function, uint32_t count,
2202                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
2203 
2204 /* helper.c */
2205 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
2206 void cpu_sync_avx_hflag(CPUX86State *env);
2207 
2208 #ifndef CONFIG_USER_ONLY
2209 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
2210 {
2211     return !!attrs.secure;
2212 }
2213 
2214 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
2215 {
2216     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
2217 }
2218 
2219 /*
2220  * load efer and update the corresponding hflags. XXX: do consistency
2221  * checks with cpuid bits?
2222  */
2223 void cpu_load_efer(CPUX86State *env, uint64_t val);
2224 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
2225 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
2226 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
2227 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
2228 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
2229 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
2230 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
2231 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
2232 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
2233 #endif
2234 
2235 /* will be suppressed */
2236 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
2237 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
2238 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
2239 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
2240 
2241 /* hw/pc.c */
2242 uint64_t cpu_get_tsc(CPUX86State *env);
2243 
2244 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
2245 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
2246 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
2247 
2248 #ifdef TARGET_X86_64
2249 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
2250 #else
2251 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
2252 #endif
2253 
2254 #define cpu_list x86_cpu_list
2255 
2256 /* MMU modes definitions */
2257 #define MMU_KSMAP_IDX   0
2258 #define MMU_USER_IDX    1
2259 #define MMU_KNOSMAP_IDX 2
2260 #define MMU_NESTED_IDX  3
2261 #define MMU_PHYS_IDX    4
2262 
2263 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
2264 {
2265     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
2266         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
2267         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2268 }
2269 
2270 static inline int cpu_mmu_index_kernel(CPUX86State *env)
2271 {
2272     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
2273         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
2274         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2275 }
2276 
2277 #define CC_DST  (env->cc_dst)
2278 #define CC_SRC  (env->cc_src)
2279 #define CC_SRC2 (env->cc_src2)
2280 #define CC_OP   (env->cc_op)
2281 
2282 #include "exec/cpu-all.h"
2283 #include "svm.h"
2284 
2285 #if !defined(CONFIG_USER_ONLY)
2286 #include "hw/i386/apic.h"
2287 #endif
2288 
2289 static inline void cpu_get_tb_cpu_state(CPUX86State *env, vaddr *pc,
2290                                         uint64_t *cs_base, uint32_t *flags)
2291 {
2292     *cs_base = env->segs[R_CS].base;
2293     *pc = *cs_base + env->eip;
2294     *flags = env->hflags |
2295         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2296 }
2297 
2298 void do_cpu_init(X86CPU *cpu);
2299 
2300 #define MCE_INJECT_BROADCAST    1
2301 #define MCE_INJECT_UNCOND_AO    2
2302 
2303 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2304                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2305                         uint64_t misc, int flags);
2306 
2307 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2308 
2309 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2310 {
2311     uint32_t eflags = env->eflags;
2312     if (tcg_enabled()) {
2313         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2314     }
2315     return eflags;
2316 }
2317 
2318 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2319 {
2320     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2321 }
2322 
2323 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2324 {
2325     if (env->hflags & HF_SMM_MASK) {
2326         return -1;
2327     } else {
2328         return env->a20_mask;
2329     }
2330 }
2331 
2332 static inline bool cpu_has_vmx(CPUX86State *env)
2333 {
2334     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2335 }
2336 
2337 static inline bool cpu_has_svm(CPUX86State *env)
2338 {
2339     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2340 }
2341 
2342 /*
2343  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2344  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2345  * VMX operation. This is because CR4.VMXE is one of the bits set
2346  * in MSR_IA32_VMX_CR4_FIXED1.
2347  *
2348  * There is one exception to above statement when vCPU enters SMM mode.
2349  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2350  * may also reset CR4.VMXE during execution in SMM mode.
2351  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2352  * and CR4.VMXE is restored to it's original value of being set.
2353  *
2354  * Therefore, when vCPU is not in SMM mode, we can infer whether
2355  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2356  * know for certain.
2357  */
2358 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2359 {
2360     return cpu_has_vmx(env) &&
2361            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2362 }
2363 
2364 /* excp_helper.c */
2365 int get_pg_mode(CPUX86State *env);
2366 
2367 /* fpu_helper.c */
2368 void update_fp_status(CPUX86State *env);
2369 void update_mxcsr_status(CPUX86State *env);
2370 void update_mxcsr_from_sse_status(CPUX86State *env);
2371 
2372 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2373 {
2374     env->mxcsr = mxcsr;
2375     if (tcg_enabled()) {
2376         update_mxcsr_status(env);
2377     }
2378 }
2379 
2380 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2381 {
2382      env->fpuc = fpuc;
2383      if (tcg_enabled()) {
2384         update_fp_status(env);
2385      }
2386 }
2387 
2388 /* svm_helper.c */
2389 #ifdef CONFIG_USER_ONLY
2390 static inline void
2391 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2392                               uint64_t param, uintptr_t retaddr)
2393 { /* no-op */ }
2394 static inline bool
2395 cpu_svm_has_intercept(CPUX86State *env, uint32_t type)
2396 { return false; }
2397 #else
2398 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2399                                    uint64_t param, uintptr_t retaddr);
2400 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type);
2401 #endif
2402 
2403 /* apic.c */
2404 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2405 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2406                                    TPRAccess access);
2407 
2408 /* Special values for X86CPUVersion: */
2409 
2410 /* Resolve to latest CPU version */
2411 #define CPU_VERSION_LATEST -1
2412 
2413 /*
2414  * Resolve to version defined by current machine type.
2415  * See x86_cpu_set_default_version()
2416  */
2417 #define CPU_VERSION_AUTO   -2
2418 
2419 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2420 #define CPU_VERSION_LEGACY  0
2421 
2422 typedef int X86CPUVersion;
2423 
2424 /*
2425  * Set default CPU model version for CPU models having
2426  * version == CPU_VERSION_AUTO.
2427  */
2428 void x86_cpu_set_default_version(X86CPUVersion version);
2429 
2430 #ifndef CONFIG_USER_ONLY
2431 
2432 void do_cpu_sipi(X86CPU *cpu);
2433 
2434 #define APIC_DEFAULT_ADDRESS 0xfee00000
2435 #define APIC_SPACE_SIZE      0x100000
2436 
2437 /* cpu-dump.c */
2438 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2439 
2440 #endif
2441 
2442 /* cpu.c */
2443 bool cpu_is_bsp(X86CPU *cpu);
2444 
2445 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen);
2446 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen);
2447 uint32_t xsave_area_size(uint64_t mask, bool compacted);
2448 void x86_update_hflags(CPUX86State* env);
2449 
2450 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2451 {
2452     return !!(cpu->hyperv_features & BIT(feat));
2453 }
2454 
2455 static inline uint64_t cr4_reserved_bits(CPUX86State *env)
2456 {
2457     uint64_t reserved_bits = CR4_RESERVED_MASK;
2458     if (!env->features[FEAT_XSAVE]) {
2459         reserved_bits |= CR4_OSXSAVE_MASK;
2460     }
2461     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) {
2462         reserved_bits |= CR4_SMEP_MASK;
2463     }
2464     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
2465         reserved_bits |= CR4_SMAP_MASK;
2466     }
2467     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) {
2468         reserved_bits |= CR4_FSGSBASE_MASK;
2469     }
2470     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) {
2471         reserved_bits |= CR4_PKE_MASK;
2472     }
2473     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) {
2474         reserved_bits |= CR4_LA57_MASK;
2475     }
2476     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) {
2477         reserved_bits |= CR4_UMIP_MASK;
2478     }
2479     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) {
2480         reserved_bits |= CR4_PKS_MASK;
2481     }
2482     return reserved_bits;
2483 }
2484 
2485 static inline bool ctl_has_irq(CPUX86State *env)
2486 {
2487     uint32_t int_prio;
2488     uint32_t tpr;
2489 
2490     int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT;
2491     tpr = env->int_ctl & V_TPR_MASK;
2492 
2493     if (env->int_ctl & V_IGN_TPR_MASK) {
2494         return (env->int_ctl & V_IRQ_MASK);
2495     }
2496 
2497     return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr);
2498 }
2499 
2500 #if defined(TARGET_X86_64) && \
2501     defined(CONFIG_USER_ONLY) && \
2502     defined(CONFIG_LINUX)
2503 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2504 #endif
2505 
2506 #endif /* I386_CPU_H */
2507