xref: /openbmc/qemu/target/i386/cpu.h (revision 8fa11a4d)
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 "exec/memop.h"
28 #include "hw/i386/topology.h"
29 #include "qapi/qapi-types-common.h"
30 #include "qemu/cpu-float.h"
31 #include "qemu/timer.h"
32 
33 #define XEN_NR_VIRQS 24
34 
35 #define KVM_HAVE_MCE_INJECTION 1
36 
37 /* support for self modifying code even if the modified instruction is
38    close to the modifying instruction */
39 #define TARGET_HAS_PRECISE_SMC
40 
41 #ifdef TARGET_X86_64
42 #define I386_ELF_MACHINE  EM_X86_64
43 #define ELF_MACHINE_UNAME "x86_64"
44 #else
45 #define I386_ELF_MACHINE  EM_386
46 #define ELF_MACHINE_UNAME "i686"
47 #endif
48 
49 enum {
50     R_EAX = 0,
51     R_ECX = 1,
52     R_EDX = 2,
53     R_EBX = 3,
54     R_ESP = 4,
55     R_EBP = 5,
56     R_ESI = 6,
57     R_EDI = 7,
58     R_R8 = 8,
59     R_R9 = 9,
60     R_R10 = 10,
61     R_R11 = 11,
62     R_R12 = 12,
63     R_R13 = 13,
64     R_R14 = 14,
65     R_R15 = 15,
66 
67     R_AL = 0,
68     R_CL = 1,
69     R_DL = 2,
70     R_BL = 3,
71     R_AH = 4,
72     R_CH = 5,
73     R_DH = 6,
74     R_BH = 7,
75 };
76 
77 typedef enum X86Seg {
78     R_ES = 0,
79     R_CS = 1,
80     R_SS = 2,
81     R_DS = 3,
82     R_FS = 4,
83     R_GS = 5,
84     R_LDTR = 6,
85     R_TR = 7,
86 } X86Seg;
87 
88 /* segment descriptor fields */
89 #define DESC_G_SHIFT    23
90 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
91 #define DESC_B_SHIFT    22
92 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
93 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
94 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
95 #define DESC_AVL_SHIFT  20
96 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
97 #define DESC_P_SHIFT    15
98 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
99 #define DESC_DPL_SHIFT  13
100 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
101 #define DESC_S_SHIFT    12
102 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
103 #define DESC_TYPE_SHIFT 8
104 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
105 #define DESC_A_MASK     (1 << 8)
106 
107 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
108 #define DESC_C_MASK     (1 << 10) /* code: conforming */
109 #define DESC_R_MASK     (1 << 9)  /* code: readable */
110 
111 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
112 #define DESC_W_MASK     (1 << 9)  /* data: writable */
113 
114 #define DESC_TSS_BUSY_MASK (1 << 9)
115 
116 /* eflags masks */
117 #define CC_C    0x0001
118 #define CC_P    0x0004
119 #define CC_A    0x0010
120 #define CC_Z    0x0040
121 #define CC_S    0x0080
122 #define CC_O    0x0800
123 
124 #define TF_SHIFT   8
125 #define IOPL_SHIFT 12
126 #define VM_SHIFT   17
127 
128 #define TF_MASK                 0x00000100
129 #define IF_MASK                 0x00000200
130 #define DF_MASK                 0x00000400
131 #define IOPL_MASK               0x00003000
132 #define NT_MASK                 0x00004000
133 #define RF_MASK                 0x00010000
134 #define VM_MASK                 0x00020000
135 #define AC_MASK                 0x00040000
136 #define VIF_MASK                0x00080000
137 #define VIP_MASK                0x00100000
138 #define ID_MASK                 0x00200000
139 
140 /* hidden flags - used internally by qemu to represent additional cpu
141    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
142    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
143    positions to ease oring with eflags. */
144 /* current cpl */
145 #define HF_CPL_SHIFT         0
146 /* true if hardware interrupts must be disabled for next instruction */
147 #define HF_INHIBIT_IRQ_SHIFT 3
148 /* 16 or 32 segments */
149 #define HF_CS32_SHIFT        4
150 #define HF_SS32_SHIFT        5
151 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
152 #define HF_ADDSEG_SHIFT      6
153 /* copy of CR0.PE (protected mode) */
154 #define HF_PE_SHIFT          7
155 #define HF_TF_SHIFT          8 /* must be same as eflags */
156 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
157 #define HF_EM_SHIFT         10
158 #define HF_TS_SHIFT         11
159 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
160 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
161 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
162 #define HF_RF_SHIFT         16 /* must be same as eflags */
163 #define HF_VM_SHIFT         17 /* must be same as eflags */
164 #define HF_AC_SHIFT         18 /* must be same as eflags */
165 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
166 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
167 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
168 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
169 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
170 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
171 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
172 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
173 #define HF_UMIP_SHIFT       27 /* CR4.UMIP */
174 #define HF_AVX_EN_SHIFT     28 /* AVX Enabled (CR4+XCR0) */
175 
176 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
177 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
178 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
179 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
180 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
181 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
182 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
183 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
184 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
185 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
186 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
187 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
188 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
189 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
190 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
191 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
192 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
193 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
194 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
195 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
196 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
197 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
198 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
199 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
200 #define HF_UMIP_MASK         (1 << HF_UMIP_SHIFT)
201 #define HF_AVX_EN_MASK       (1 << HF_AVX_EN_SHIFT)
202 
203 /* hflags2 */
204 
205 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
206 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
207 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
208 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
209 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
210 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
211 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
212 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
213 #define HF2_VGIF_SHIFT           8 /* Can take VIRQ*/
214 
215 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
216 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
217 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
218 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
219 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
220 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
221 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
222 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
223 #define HF2_VGIF_MASK           (1 << HF2_VGIF_SHIFT)
224 
225 #define CR0_PE_SHIFT 0
226 #define CR0_MP_SHIFT 1
227 
228 #define CR0_PE_MASK  (1U << 0)
229 #define CR0_MP_MASK  (1U << 1)
230 #define CR0_EM_MASK  (1U << 2)
231 #define CR0_TS_MASK  (1U << 3)
232 #define CR0_ET_MASK  (1U << 4)
233 #define CR0_NE_MASK  (1U << 5)
234 #define CR0_WP_MASK  (1U << 16)
235 #define CR0_AM_MASK  (1U << 18)
236 #define CR0_NW_MASK  (1U << 29)
237 #define CR0_CD_MASK  (1U << 30)
238 #define CR0_PG_MASK  (1U << 31)
239 
240 #define CR4_VME_MASK  (1U << 0)
241 #define CR4_PVI_MASK  (1U << 1)
242 #define CR4_TSD_MASK  (1U << 2)
243 #define CR4_DE_MASK   (1U << 3)
244 #define CR4_PSE_MASK  (1U << 4)
245 #define CR4_PAE_MASK  (1U << 5)
246 #define CR4_MCE_MASK  (1U << 6)
247 #define CR4_PGE_MASK  (1U << 7)
248 #define CR4_PCE_MASK  (1U << 8)
249 #define CR4_OSFXSR_SHIFT 9
250 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
251 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
252 #define CR4_UMIP_MASK   (1U << 11)
253 #define CR4_LA57_MASK   (1U << 12)
254 #define CR4_VMXE_MASK   (1U << 13)
255 #define CR4_SMXE_MASK   (1U << 14)
256 #define CR4_FSGSBASE_MASK (1U << 16)
257 #define CR4_PCIDE_MASK  (1U << 17)
258 #define CR4_OSXSAVE_MASK (1U << 18)
259 #define CR4_SMEP_MASK   (1U << 20)
260 #define CR4_SMAP_MASK   (1U << 21)
261 #define CR4_PKE_MASK   (1U << 22)
262 #define CR4_PKS_MASK   (1U << 24)
263 #define CR4_LAM_SUP_MASK (1U << 28)
264 
265 #ifdef TARGET_X86_64
266 #define CR4_FRED_MASK   (1ULL << 32)
267 #else
268 #define CR4_FRED_MASK   0
269 #endif
270 
271 #define CR4_RESERVED_MASK \
272 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
273                 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
274                 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
275                 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK | CR4_UMIP_MASK \
276                 | CR4_LA57_MASK \
277                 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
278                 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK \
279                 | CR4_LAM_SUP_MASK | CR4_FRED_MASK))
280 
281 #define DR6_BD          (1 << 13)
282 #define DR6_BS          (1 << 14)
283 #define DR6_BT          (1 << 15)
284 #define DR6_FIXED_1     0xffff0ff0
285 
286 #define DR7_GD          (1 << 13)
287 #define DR7_TYPE_SHIFT  16
288 #define DR7_LEN_SHIFT   18
289 #define DR7_FIXED_1     0x00000400
290 #define DR7_GLOBAL_BP_MASK   0xaa
291 #define DR7_LOCAL_BP_MASK    0x55
292 #define DR7_MAX_BP           4
293 #define DR7_TYPE_BP_INST     0x0
294 #define DR7_TYPE_DATA_WR     0x1
295 #define DR7_TYPE_IO_RW       0x2
296 #define DR7_TYPE_DATA_RW     0x3
297 
298 #define DR_RESERVED_MASK 0xffffffff00000000ULL
299 
300 #define PG_PRESENT_BIT  0
301 #define PG_RW_BIT       1
302 #define PG_USER_BIT     2
303 #define PG_PWT_BIT      3
304 #define PG_PCD_BIT      4
305 #define PG_ACCESSED_BIT 5
306 #define PG_DIRTY_BIT    6
307 #define PG_PSE_BIT      7
308 #define PG_GLOBAL_BIT   8
309 #define PG_PSE_PAT_BIT  12
310 #define PG_PKRU_BIT     59
311 #define PG_NX_BIT       63
312 
313 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
314 #define PG_RW_MASK       (1 << PG_RW_BIT)
315 #define PG_USER_MASK     (1 << PG_USER_BIT)
316 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
317 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
318 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
319 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
320 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
321 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
322 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
323 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
324 #define PG_HI_USER_MASK  0x7ff0000000000000LL
325 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
326 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
327 
328 #define PG_ERROR_W_BIT     1
329 
330 #define PG_ERROR_P_MASK    0x01
331 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
332 #define PG_ERROR_U_MASK    0x04
333 #define PG_ERROR_RSVD_MASK 0x08
334 #define PG_ERROR_I_D_MASK  0x10
335 #define PG_ERROR_PK_MASK   0x20
336 
337 #define PG_MODE_PAE      (1 << 0)
338 #define PG_MODE_LMA      (1 << 1)
339 #define PG_MODE_NXE      (1 << 2)
340 #define PG_MODE_PSE      (1 << 3)
341 #define PG_MODE_LA57     (1 << 4)
342 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15)
343 
344 /* Bits of CR4 that do not affect the NPT page format.  */
345 #define PG_MODE_WP       (1 << 16)
346 #define PG_MODE_PKE      (1 << 17)
347 #define PG_MODE_PKS      (1 << 18)
348 #define PG_MODE_SMEP     (1 << 19)
349 #define PG_MODE_PG       (1 << 20)
350 
351 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
352 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
353 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
354 
355 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
356 #define MCE_BANKS_DEF   10
357 
358 #define MCG_CAP_BANKS_MASK 0xff
359 
360 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
361 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
362 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
363 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
364 
365 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
366 
367 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
368 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
369 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
370 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
371 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
372 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
373 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
374 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
375 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
376 #define MCI_STATUS_DEFERRED    (1ULL<<44)  /* Deferred error */
377 #define MCI_STATUS_POISON      (1ULL<<43)  /* Poisoned data consumed */
378 
379 /* MISC register defines */
380 #define MCM_ADDR_SEGOFF  0      /* segment offset */
381 #define MCM_ADDR_LINEAR  1      /* linear address */
382 #define MCM_ADDR_PHYS    2      /* physical address */
383 #define MCM_ADDR_MEM     3      /* memory address */
384 #define MCM_ADDR_GENERIC 7      /* generic */
385 
386 #define MSR_IA32_TSC                    0x10
387 #define MSR_IA32_APICBASE               0x1b
388 #define MSR_IA32_APICBASE_BSP           (1<<8)
389 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
390 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
391 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
392 #define MSR_IA32_APICBASE_RESERVED \
393         (~(uint64_t)(MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE \
394                      | MSR_IA32_APICBASE_EXTD | MSR_IA32_APICBASE_BASE))
395 
396 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
397 #define MSR_TSC_ADJUST                  0x0000003b
398 #define MSR_IA32_SPEC_CTRL              0x48
399 #define MSR_VIRT_SSBD                   0xc001011f
400 #define MSR_IA32_PRED_CMD               0x49
401 #define MSR_IA32_UCODE_REV              0x8b
402 #define MSR_IA32_CORE_CAPABILITY        0xcf
403 
404 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
405 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
406 
407 #define MSR_IA32_PERF_CAPABILITIES      0x345
408 #define PERF_CAP_LBR_FMT                0x3f
409 
410 #define MSR_IA32_TSX_CTRL		0x122
411 #define MSR_IA32_TSCDEADLINE            0x6e0
412 #define MSR_IA32_PKRS                   0x6e1
413 #define MSR_RAPL_POWER_UNIT             0x00000606
414 #define MSR_PKG_POWER_LIMIT             0x00000610
415 #define MSR_PKG_ENERGY_STATUS           0x00000611
416 #define MSR_PKG_POWER_INFO              0x00000614
417 #define MSR_ARCH_LBR_CTL                0x000014ce
418 #define MSR_ARCH_LBR_DEPTH              0x000014cf
419 #define MSR_ARCH_LBR_FROM_0             0x00001500
420 #define MSR_ARCH_LBR_TO_0               0x00001600
421 #define MSR_ARCH_LBR_INFO_0             0x00001200
422 
423 #define FEATURE_CONTROL_LOCKED                    (1<<0)
424 #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX  (1ULL << 1)
425 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
426 #define FEATURE_CONTROL_SGX_LC                    (1ULL << 17)
427 #define FEATURE_CONTROL_SGX                       (1ULL << 18)
428 #define FEATURE_CONTROL_LMCE                      (1<<20)
429 
430 #define MSR_IA32_SGXLEPUBKEYHASH0       0x8c
431 #define MSR_IA32_SGXLEPUBKEYHASH1       0x8d
432 #define MSR_IA32_SGXLEPUBKEYHASH2       0x8e
433 #define MSR_IA32_SGXLEPUBKEYHASH3       0x8f
434 
435 #define MSR_P6_PERFCTR0                 0xc1
436 
437 #define MSR_IA32_SMBASE                 0x9e
438 #define MSR_SMI_COUNT                   0x34
439 #define MSR_CORE_THREAD_COUNT           0x35
440 #define MSR_MTRRcap                     0xfe
441 #define MSR_MTRRcap_VCNT                8
442 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
443 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
444 
445 #define MSR_IA32_SYSENTER_CS            0x174
446 #define MSR_IA32_SYSENTER_ESP           0x175
447 #define MSR_IA32_SYSENTER_EIP           0x176
448 
449 #define MSR_MCG_CAP                     0x179
450 #define MSR_MCG_STATUS                  0x17a
451 #define MSR_MCG_CTL                     0x17b
452 #define MSR_MCG_EXT_CTL                 0x4d0
453 
454 #define MSR_P6_EVNTSEL0                 0x186
455 
456 #define MSR_IA32_PERF_STATUS            0x198
457 
458 #define MSR_IA32_MISC_ENABLE            0x1a0
459 /* Indicates good rep/movs microcode on some processors: */
460 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
461 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
462 
463 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
464 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
465 
466 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
467 
468 #define MSR_MTRRfix64K_00000            0x250
469 #define MSR_MTRRfix16K_80000            0x258
470 #define MSR_MTRRfix16K_A0000            0x259
471 #define MSR_MTRRfix4K_C0000             0x268
472 #define MSR_MTRRfix4K_C8000             0x269
473 #define MSR_MTRRfix4K_D0000             0x26a
474 #define MSR_MTRRfix4K_D8000             0x26b
475 #define MSR_MTRRfix4K_E0000             0x26c
476 #define MSR_MTRRfix4K_E8000             0x26d
477 #define MSR_MTRRfix4K_F0000             0x26e
478 #define MSR_MTRRfix4K_F8000             0x26f
479 
480 #define MSR_PAT                         0x277
481 
482 #define MSR_MTRRdefType                 0x2ff
483 
484 #define MSR_CORE_PERF_FIXED_CTR0        0x309
485 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
486 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
487 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
488 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
489 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
490 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
491 
492 #define MSR_MC0_CTL                     0x400
493 #define MSR_MC0_STATUS                  0x401
494 #define MSR_MC0_ADDR                    0x402
495 #define MSR_MC0_MISC                    0x403
496 
497 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
498 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
499 #define MSR_IA32_RTIT_CTL               0x570
500 #define MSR_IA32_RTIT_STATUS            0x571
501 #define MSR_IA32_RTIT_CR3_MATCH         0x572
502 #define MSR_IA32_RTIT_ADDR0_A           0x580
503 #define MSR_IA32_RTIT_ADDR0_B           0x581
504 #define MSR_IA32_RTIT_ADDR1_A           0x582
505 #define MSR_IA32_RTIT_ADDR1_B           0x583
506 #define MSR_IA32_RTIT_ADDR2_A           0x584
507 #define MSR_IA32_RTIT_ADDR2_B           0x585
508 #define MSR_IA32_RTIT_ADDR3_A           0x586
509 #define MSR_IA32_RTIT_ADDR3_B           0x587
510 #define MAX_RTIT_ADDRS                  8
511 
512 #define MSR_EFER                        0xc0000080
513 
514 #define MSR_EFER_SCE   (1 << 0)
515 #define MSR_EFER_LME   (1 << 8)
516 #define MSR_EFER_LMA   (1 << 10)
517 #define MSR_EFER_NXE   (1 << 11)
518 #define MSR_EFER_SVME  (1 << 12)
519 #define MSR_EFER_FFXSR (1 << 14)
520 
521 #define MSR_EFER_RESERVED\
522         (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\
523             | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\
524             | MSR_EFER_FFXSR))
525 
526 #define MSR_STAR                        0xc0000081
527 #define MSR_LSTAR                       0xc0000082
528 #define MSR_CSTAR                       0xc0000083
529 #define MSR_FMASK                       0xc0000084
530 #define MSR_FSBASE                      0xc0000100
531 #define MSR_GSBASE                      0xc0000101
532 #define MSR_KERNELGSBASE                0xc0000102
533 #define MSR_TSC_AUX                     0xc0000103
534 #define MSR_AMD64_TSC_RATIO             0xc0000104
535 
536 #define MSR_AMD64_TSC_RATIO_DEFAULT     0x100000000ULL
537 
538 #define MSR_K7_HWCR                     0xc0010015
539 
540 #define MSR_VM_HSAVE_PA                 0xc0010117
541 
542 #define MSR_IA32_XFD                    0x000001c4
543 #define MSR_IA32_XFD_ERR                0x000001c5
544 
545 /* FRED MSRs */
546 #define MSR_IA32_FRED_RSP0              0x000001cc       /* Stack level 0 regular stack pointer */
547 #define MSR_IA32_FRED_RSP1              0x000001cd       /* Stack level 1 regular stack pointer */
548 #define MSR_IA32_FRED_RSP2              0x000001ce       /* Stack level 2 regular stack pointer */
549 #define MSR_IA32_FRED_RSP3              0x000001cf       /* Stack level 3 regular stack pointer */
550 #define MSR_IA32_FRED_STKLVLS           0x000001d0       /* FRED exception stack levels */
551 #define MSR_IA32_FRED_SSP1              0x000001d1       /* Stack level 1 shadow stack pointer in ring 0 */
552 #define MSR_IA32_FRED_SSP2              0x000001d2       /* Stack level 2 shadow stack pointer in ring 0 */
553 #define MSR_IA32_FRED_SSP3              0x000001d3       /* Stack level 3 shadow stack pointer in ring 0 */
554 #define MSR_IA32_FRED_CONFIG            0x000001d4       /* FRED Entrypoint and interrupt stack level */
555 
556 #define MSR_IA32_BNDCFGS                0x00000d90
557 #define MSR_IA32_XSS                    0x00000da0
558 #define MSR_IA32_UMWAIT_CONTROL         0xe1
559 
560 #define MSR_IA32_VMX_BASIC              0x00000480
561 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
562 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
563 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
564 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
565 #define MSR_IA32_VMX_MISC               0x00000485
566 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
567 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
568 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
569 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
570 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
571 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
572 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
573 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
574 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
575 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
576 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
577 #define MSR_IA32_VMX_VMFUNC             0x00000491
578 
579 #define MSR_APIC_START                  0x00000800
580 #define MSR_APIC_END                    0x000008ff
581 
582 #define XSTATE_FP_BIT                   0
583 #define XSTATE_SSE_BIT                  1
584 #define XSTATE_YMM_BIT                  2
585 #define XSTATE_BNDREGS_BIT              3
586 #define XSTATE_BNDCSR_BIT               4
587 #define XSTATE_OPMASK_BIT               5
588 #define XSTATE_ZMM_Hi256_BIT            6
589 #define XSTATE_Hi16_ZMM_BIT             7
590 #define XSTATE_PKRU_BIT                 9
591 #define XSTATE_ARCH_LBR_BIT             15
592 #define XSTATE_XTILE_CFG_BIT            17
593 #define XSTATE_XTILE_DATA_BIT           18
594 
595 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
596 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
597 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
598 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
599 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
600 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
601 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
602 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
603 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
604 #define XSTATE_ARCH_LBR_MASK            (1ULL << XSTATE_ARCH_LBR_BIT)
605 #define XSTATE_XTILE_CFG_MASK           (1ULL << XSTATE_XTILE_CFG_BIT)
606 #define XSTATE_XTILE_DATA_MASK          (1ULL << XSTATE_XTILE_DATA_BIT)
607 
608 #define XSTATE_DYNAMIC_MASK             (XSTATE_XTILE_DATA_MASK)
609 
610 #define ESA_FEATURE_ALIGN64_BIT         1
611 #define ESA_FEATURE_XFD_BIT             2
612 
613 #define ESA_FEATURE_ALIGN64_MASK        (1U << ESA_FEATURE_ALIGN64_BIT)
614 #define ESA_FEATURE_XFD_MASK            (1U << ESA_FEATURE_XFD_BIT)
615 
616 
617 /* CPUID feature bits available in XCR0 */
618 #define CPUID_XSTATE_XCR0_MASK  (XSTATE_FP_MASK | XSTATE_SSE_MASK | \
619                                  XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | \
620                                  XSTATE_BNDCSR_MASK | XSTATE_OPMASK_MASK | \
621                                  XSTATE_ZMM_Hi256_MASK | \
622                                  XSTATE_Hi16_ZMM_MASK | XSTATE_PKRU_MASK | \
623                                  XSTATE_XTILE_CFG_MASK | XSTATE_XTILE_DATA_MASK)
624 
625 /* CPUID feature words */
626 typedef enum FeatureWord {
627     FEAT_1_EDX,         /* CPUID[1].EDX */
628     FEAT_1_ECX,         /* CPUID[1].ECX */
629     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
630     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
631     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
632     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
633     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
634     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
635     FEAT_8000_0007_EBX, /* CPUID[8000_0007].EBX */
636     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
637     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
638     FEAT_8000_0021_EAX, /* CPUID[8000_0021].EAX */
639     FEAT_8000_0021_EBX, /* CPUID[8000_0021].EBX */
640     FEAT_8000_0022_EAX, /* CPUID[8000_0022].EAX */
641     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
642     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
643     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
644     FEAT_SVM,           /* CPUID[8000_000A].EDX */
645     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
646     FEAT_6_EAX,         /* CPUID[6].EAX */
647     FEAT_XSAVE_XCR0_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
648     FEAT_XSAVE_XCR0_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
649     FEAT_ARCH_CAPABILITIES,
650     FEAT_CORE_CAPABILITY,
651     FEAT_PERF_CAPABILITIES,
652     FEAT_VMX_PROCBASED_CTLS,
653     FEAT_VMX_SECONDARY_CTLS,
654     FEAT_VMX_PINBASED_CTLS,
655     FEAT_VMX_EXIT_CTLS,
656     FEAT_VMX_ENTRY_CTLS,
657     FEAT_VMX_MISC,
658     FEAT_VMX_EPT_VPID_CAPS,
659     FEAT_VMX_BASIC,
660     FEAT_VMX_VMFUNC,
661     FEAT_14_0_ECX,
662     FEAT_SGX_12_0_EAX,  /* CPUID[EAX=0x12,ECX=0].EAX (SGX) */
663     FEAT_SGX_12_0_EBX,  /* CPUID[EAX=0x12,ECX=0].EBX (SGX MISCSELECT[31:0]) */
664     FEAT_SGX_12_1_EAX,  /* CPUID[EAX=0x12,ECX=1].EAX (SGX ATTRIBUTES[31:0]) */
665     FEAT_XSAVE_XSS_LO,     /* CPUID[EAX=0xd,ECX=1].ECX */
666     FEAT_XSAVE_XSS_HI,     /* CPUID[EAX=0xd,ECX=1].EDX */
667     FEAT_7_1_EDX,       /* CPUID[EAX=7,ECX=1].EDX */
668     FEAT_7_2_EDX,       /* CPUID[EAX=7,ECX=2].EDX */
669     FEAT_24_0_EBX,      /* CPUID[EAX=0x24,ECX=0].EBX */
670     FEATURE_WORDS,
671 } FeatureWord;
672 
673 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
674 uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w);
675 
676 /* cpuid_features bits */
677 #define CPUID_FP87 (1U << 0)
678 #define CPUID_VME  (1U << 1)
679 #define CPUID_DE   (1U << 2)
680 #define CPUID_PSE  (1U << 3)
681 #define CPUID_TSC  (1U << 4)
682 #define CPUID_MSR  (1U << 5)
683 #define CPUID_PAE  (1U << 6)
684 #define CPUID_MCE  (1U << 7)
685 #define CPUID_CX8  (1U << 8)
686 #define CPUID_APIC (1U << 9)
687 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
688 #define CPUID_MTRR (1U << 12)
689 #define CPUID_PGE  (1U << 13)
690 #define CPUID_MCA  (1U << 14)
691 #define CPUID_CMOV (1U << 15)
692 #define CPUID_PAT  (1U << 16)
693 #define CPUID_PSE36   (1U << 17)
694 #define CPUID_PN   (1U << 18)
695 #define CPUID_CLFLUSH (1U << 19)
696 #define CPUID_DTS (1U << 21)
697 #define CPUID_ACPI (1U << 22)
698 #define CPUID_MMX  (1U << 23)
699 #define CPUID_FXSR (1U << 24)
700 #define CPUID_SSE  (1U << 25)
701 #define CPUID_SSE2 (1U << 26)
702 #define CPUID_SS (1U << 27)
703 #define CPUID_HT (1U << 28)
704 #define CPUID_TM (1U << 29)
705 #define CPUID_IA64 (1U << 30)
706 #define CPUID_PBE (1U << 31)
707 
708 #define CPUID_EXT_SSE3     (1U << 0)
709 #define CPUID_EXT_PCLMULQDQ (1U << 1)
710 #define CPUID_EXT_DTES64   (1U << 2)
711 #define CPUID_EXT_MONITOR  (1U << 3)
712 #define CPUID_EXT_DSCPL    (1U << 4)
713 #define CPUID_EXT_VMX      (1U << 5)
714 #define CPUID_EXT_SMX      (1U << 6)
715 #define CPUID_EXT_EST      (1U << 7)
716 #define CPUID_EXT_TM2      (1U << 8)
717 #define CPUID_EXT_SSSE3    (1U << 9)
718 #define CPUID_EXT_CID      (1U << 10)
719 #define CPUID_EXT_FMA      (1U << 12)
720 #define CPUID_EXT_CX16     (1U << 13)
721 #define CPUID_EXT_XTPR     (1U << 14)
722 #define CPUID_EXT_PDCM     (1U << 15)
723 #define CPUID_EXT_PCID     (1U << 17)
724 #define CPUID_EXT_DCA      (1U << 18)
725 #define CPUID_EXT_SSE41    (1U << 19)
726 #define CPUID_EXT_SSE42    (1U << 20)
727 #define CPUID_EXT_X2APIC   (1U << 21)
728 #define CPUID_EXT_MOVBE    (1U << 22)
729 #define CPUID_EXT_POPCNT   (1U << 23)
730 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
731 #define CPUID_EXT_AES      (1U << 25)
732 #define CPUID_EXT_XSAVE    (1U << 26)
733 #define CPUID_EXT_OSXSAVE  (1U << 27)
734 #define CPUID_EXT_AVX      (1U << 28)
735 #define CPUID_EXT_F16C     (1U << 29)
736 #define CPUID_EXT_RDRAND   (1U << 30)
737 #define CPUID_EXT_HYPERVISOR  (1U << 31)
738 
739 #define CPUID_EXT2_FPU     (1U << 0)
740 #define CPUID_EXT2_VME     (1U << 1)
741 #define CPUID_EXT2_DE      (1U << 2)
742 #define CPUID_EXT2_PSE     (1U << 3)
743 #define CPUID_EXT2_TSC     (1U << 4)
744 #define CPUID_EXT2_MSR     (1U << 5)
745 #define CPUID_EXT2_PAE     (1U << 6)
746 #define CPUID_EXT2_MCE     (1U << 7)
747 #define CPUID_EXT2_CX8     (1U << 8)
748 #define CPUID_EXT2_APIC    (1U << 9)
749 #define CPUID_EXT2_SYSCALL (1U << 11)
750 #define CPUID_EXT2_MTRR    (1U << 12)
751 #define CPUID_EXT2_PGE     (1U << 13)
752 #define CPUID_EXT2_MCA     (1U << 14)
753 #define CPUID_EXT2_CMOV    (1U << 15)
754 #define CPUID_EXT2_PAT     (1U << 16)
755 #define CPUID_EXT2_PSE36   (1U << 17)
756 #define CPUID_EXT2_MP      (1U << 19)
757 #define CPUID_EXT2_NX      (1U << 20)
758 #define CPUID_EXT2_MMXEXT  (1U << 22)
759 #define CPUID_EXT2_MMX     (1U << 23)
760 #define CPUID_EXT2_FXSR    (1U << 24)
761 #define CPUID_EXT2_FFXSR   (1U << 25)
762 #define CPUID_EXT2_PDPE1GB (1U << 26)
763 #define CPUID_EXT2_RDTSCP  (1U << 27)
764 #define CPUID_EXT2_LM      (1U << 29)
765 #define CPUID_EXT2_3DNOWEXT (1U << 30)
766 #define CPUID_EXT2_3DNOW   (1U << 31)
767 
768 /* CPUID[8000_0001].EDX bits that are aliases of CPUID[1].EDX bits on AMD CPUs */
769 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
770                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
771                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
772                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
773                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
774                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
775                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
776                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
777                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
778 
779 #define CPUID_EXT3_LAHF_LM (1U << 0)
780 #define CPUID_EXT3_CMP_LEG (1U << 1)
781 #define CPUID_EXT3_SVM     (1U << 2)
782 #define CPUID_EXT3_EXTAPIC (1U << 3)
783 #define CPUID_EXT3_CR8LEG  (1U << 4)
784 #define CPUID_EXT3_ABM     (1U << 5)
785 #define CPUID_EXT3_SSE4A   (1U << 6)
786 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
787 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
788 #define CPUID_EXT3_OSVW    (1U << 9)
789 #define CPUID_EXT3_IBS     (1U << 10)
790 #define CPUID_EXT3_XOP     (1U << 11)
791 #define CPUID_EXT3_SKINIT  (1U << 12)
792 #define CPUID_EXT3_WDT     (1U << 13)
793 #define CPUID_EXT3_LWP     (1U << 15)
794 #define CPUID_EXT3_FMA4    (1U << 16)
795 #define CPUID_EXT3_TCE     (1U << 17)
796 #define CPUID_EXT3_NODEID  (1U << 19)
797 #define CPUID_EXT3_TBM     (1U << 21)
798 #define CPUID_EXT3_TOPOEXT (1U << 22)
799 #define CPUID_EXT3_PERFCORE (1U << 23)
800 #define CPUID_EXT3_PERFNB  (1U << 24)
801 
802 #define CPUID_SVM_NPT             (1U << 0)
803 #define CPUID_SVM_LBRV            (1U << 1)
804 #define CPUID_SVM_SVMLOCK         (1U << 2)
805 #define CPUID_SVM_NRIPSAVE        (1U << 3)
806 #define CPUID_SVM_TSCSCALE        (1U << 4)
807 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
808 #define CPUID_SVM_FLUSHASID       (1U << 6)
809 #define CPUID_SVM_DECODEASSIST    (1U << 7)
810 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
811 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
812 #define CPUID_SVM_AVIC            (1U << 13)
813 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
814 #define CPUID_SVM_VGIF            (1U << 16)
815 #define CPUID_SVM_VNMI            (1U << 25)
816 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
817 
818 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
819 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
820 /* Support TSC adjust MSR */
821 #define CPUID_7_0_EBX_TSC_ADJUST        (1U << 1)
822 /* Support SGX */
823 #define CPUID_7_0_EBX_SGX               (1U << 2)
824 /* 1st Group of Advanced Bit Manipulation Extensions */
825 #define CPUID_7_0_EBX_BMI1              (1U << 3)
826 /* Hardware Lock Elision */
827 #define CPUID_7_0_EBX_HLE               (1U << 4)
828 /* Intel Advanced Vector Extensions 2 */
829 #define CPUID_7_0_EBX_AVX2              (1U << 5)
830 /* FPU data pointer updated only on x87 exceptions */
831 #define CPUID_7_0_EBX_FDP_EXCPTN_ONLY (1u << 6)
832 /* Supervisor-mode Execution Prevention */
833 #define CPUID_7_0_EBX_SMEP              (1U << 7)
834 /* 2nd Group of Advanced Bit Manipulation Extensions */
835 #define CPUID_7_0_EBX_BMI2              (1U << 8)
836 /* Enhanced REP MOVSB/STOSB */
837 #define CPUID_7_0_EBX_ERMS              (1U << 9)
838 /* Invalidate Process-Context Identifier */
839 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
840 /* Restricted Transactional Memory */
841 #define CPUID_7_0_EBX_RTM               (1U << 11)
842 /* Zero out FPU CS and FPU DS */
843 #define CPUID_7_0_EBX_ZERO_FCS_FDS      (1U << 13)
844 /* Memory Protection Extension */
845 #define CPUID_7_0_EBX_MPX               (1U << 14)
846 /* AVX-512 Foundation */
847 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
848 /* AVX-512 Doubleword & Quadword Instruction */
849 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
850 /* Read Random SEED */
851 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
852 /* ADCX and ADOX instructions */
853 #define CPUID_7_0_EBX_ADX               (1U << 19)
854 /* Supervisor Mode Access Prevention */
855 #define CPUID_7_0_EBX_SMAP              (1U << 20)
856 /* AVX-512 Integer Fused Multiply Add */
857 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
858 /* Flush a Cache Line Optimized */
859 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
860 /* Cache Line Write Back */
861 #define CPUID_7_0_EBX_CLWB              (1U << 24)
862 /* Intel Processor Trace */
863 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
864 /* AVX-512 Prefetch */
865 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
866 /* AVX-512 Exponential and Reciprocal */
867 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
868 /* AVX-512 Conflict Detection */
869 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
870 /* SHA1/SHA256 Instruction Extensions */
871 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
872 /* AVX-512 Byte and Word Instructions */
873 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
874 /* AVX-512 Vector Length Extensions */
875 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
876 
877 /* AVX-512 Vector Byte Manipulation Instruction */
878 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
879 /* User-Mode Instruction Prevention */
880 #define CPUID_7_0_ECX_UMIP              (1U << 2)
881 /* Protection Keys for User-mode Pages */
882 #define CPUID_7_0_ECX_PKU               (1U << 3)
883 /* OS Enable Protection Keys */
884 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
885 /* UMONITOR/UMWAIT/TPAUSE Instructions */
886 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
887 /* Additional AVX-512 Vector Byte Manipulation Instruction */
888 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
889 /* Galois Field New Instructions */
890 #define CPUID_7_0_ECX_GFNI              (1U << 8)
891 /* Vector AES Instructions */
892 #define CPUID_7_0_ECX_VAES              (1U << 9)
893 /* Carry-Less Multiplication Quadword */
894 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
895 /* Vector Neural Network Instructions */
896 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
897 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
898 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
899 /* POPCNT for vectors of DW/QW */
900 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
901 /* 5-level Page Tables */
902 #define CPUID_7_0_ECX_LA57              (1U << 16)
903 /* Read Processor ID */
904 #define CPUID_7_0_ECX_RDPID             (1U << 22)
905 /* Bus Lock Debug Exception */
906 #define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
907 /* Cache Line Demote Instruction */
908 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
909 /* Move Doubleword as Direct Store Instruction */
910 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
911 /* Move 64 Bytes as Direct Store Instruction */
912 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
913 /* Support SGX Launch Control */
914 #define CPUID_7_0_ECX_SGX_LC            (1U << 30)
915 /* Protection Keys for Supervisor-mode Pages */
916 #define CPUID_7_0_ECX_PKS               (1U << 31)
917 
918 /* AVX512 Neural Network Instructions */
919 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
920 /* AVX512 Multiply Accumulation Single Precision */
921 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
922 /* Fast Short Rep Mov */
923 #define CPUID_7_0_EDX_FSRM              (1U << 4)
924 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
925 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
926 /* SERIALIZE instruction */
927 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
928 /* TSX Suspend Load Address Tracking instruction */
929 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
930 /* Architectural LBRs */
931 #define CPUID_7_0_EDX_ARCH_LBR          (1U << 19)
932 /* AMX_BF16 instruction */
933 #define CPUID_7_0_EDX_AMX_BF16          (1U << 22)
934 /* AVX512_FP16 instruction */
935 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
936 /* AMX tile (two-dimensional register) */
937 #define CPUID_7_0_EDX_AMX_TILE          (1U << 24)
938 /* AMX_INT8 instruction */
939 #define CPUID_7_0_EDX_AMX_INT8          (1U << 25)
940 /* Speculation Control */
941 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
942 /* Single Thread Indirect Branch Predictors */
943 #define CPUID_7_0_EDX_STIBP             (1U << 27)
944 /* Flush L1D cache */
945 #define CPUID_7_0_EDX_FLUSH_L1D         (1U << 28)
946 /* Arch Capabilities */
947 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
948 /* Core Capability */
949 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
950 /* Speculative Store Bypass Disable */
951 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
952 
953 /* AVX VNNI Instruction */
954 #define CPUID_7_1_EAX_AVX_VNNI          (1U << 4)
955 /* AVX512 BFloat16 Instruction */
956 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
957 /* CMPCCXADD Instructions */
958 #define CPUID_7_1_EAX_CMPCCXADD         (1U << 7)
959 /* Fast Zero REP MOVS */
960 #define CPUID_7_1_EAX_FZRM              (1U << 10)
961 /* Fast Short REP STOS */
962 #define CPUID_7_1_EAX_FSRS              (1U << 11)
963 /* Fast Short REP CMPS/SCAS */
964 #define CPUID_7_1_EAX_FSRC              (1U << 12)
965 /* Support Tile Computational Operations on FP16 Numbers */
966 #define CPUID_7_1_EAX_AMX_FP16          (1U << 21)
967 /* Support for VPMADD52[H,L]UQ */
968 #define CPUID_7_1_EAX_AVX_IFMA          (1U << 23)
969 /* Linear Address Masking */
970 #define CPUID_7_1_EAX_LAM               (1U << 26)
971 
972 /* Support for VPDPB[SU,UU,SS]D[,S] */
973 #define CPUID_7_1_EDX_AVX_VNNI_INT8     (1U << 4)
974 /* AVX NE CONVERT Instructions */
975 #define CPUID_7_1_EDX_AVX_NE_CONVERT    (1U << 5)
976 /* AMX COMPLEX Instructions */
977 #define CPUID_7_1_EDX_AMX_COMPLEX       (1U << 8)
978 /* PREFETCHIT0/1 Instructions */
979 #define CPUID_7_1_EDX_PREFETCHITI       (1U << 14)
980 /* Support for Advanced Vector Extensions 10 */
981 #define CPUID_7_1_EDX_AVX10             (1U << 19)
982 /* Flexible return and event delivery (FRED) */
983 #define CPUID_7_1_EAX_FRED              (1U << 17)
984 /* Load into IA32_KERNEL_GS_BASE (LKGS) */
985 #define CPUID_7_1_EAX_LKGS              (1U << 18)
986 /* Non-Serializing Write to Model Specific Register (WRMSRNS) */
987 #define CPUID_7_1_EAX_WRMSRNS           (1U << 19)
988 
989 /* Do not exhibit MXCSR Configuration Dependent Timing (MCDT) behavior */
990 #define CPUID_7_2_EDX_MCDT_NO           (1U << 5)
991 
992 /* XFD Extend Feature Disabled */
993 #define CPUID_D_1_EAX_XFD               (1U << 4)
994 
995 /* Packets which contain IP payload have LIP values */
996 #define CPUID_14_0_ECX_LIP              (1U << 31)
997 
998 /* AVX10 128-bit vector support is present */
999 #define CPUID_24_0_EBX_AVX10_128        (1U << 16)
1000 /* AVX10 256-bit vector support is present */
1001 #define CPUID_24_0_EBX_AVX10_256        (1U << 17)
1002 /* AVX10 512-bit vector support is present */
1003 #define CPUID_24_0_EBX_AVX10_512        (1U << 18)
1004 /* AVX10 vector length support mask */
1005 #define CPUID_24_0_EBX_AVX10_VL_MASK    (CPUID_24_0_EBX_AVX10_128 | \
1006                                          CPUID_24_0_EBX_AVX10_256 | \
1007                                          CPUID_24_0_EBX_AVX10_512)
1008 
1009 /* RAS Features */
1010 #define CPUID_8000_0007_EBX_OVERFLOW_RECOV    (1U << 0)
1011 #define CPUID_8000_0007_EBX_SUCCOR      (1U << 1)
1012 
1013 /* CLZERO instruction */
1014 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
1015 /* Always save/restore FP error pointers */
1016 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
1017 /* Write back and do not invalidate cache */
1018 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
1019 /* Indirect Branch Prediction Barrier */
1020 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
1021 /* Indirect Branch Restricted Speculation */
1022 #define CPUID_8000_0008_EBX_IBRS        (1U << 14)
1023 /* Single Thread Indirect Branch Predictors */
1024 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
1025 /* STIBP mode has enhanced performance and may be left always on */
1026 #define CPUID_8000_0008_EBX_STIBP_ALWAYS_ON    (1U << 17)
1027 /* Speculative Store Bypass Disable */
1028 #define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
1029 /* Paravirtualized Speculative Store Bypass Disable MSR */
1030 #define CPUID_8000_0008_EBX_VIRT_SSBD   (1U << 25)
1031 /* Predictive Store Forwarding Disable */
1032 #define CPUID_8000_0008_EBX_AMD_PSFD    (1U << 28)
1033 
1034 /* Processor ignores nested data breakpoints */
1035 #define CPUID_8000_0021_EAX_NO_NESTED_DATA_BP            (1U << 0)
1036 /* LFENCE is always serializing */
1037 #define CPUID_8000_0021_EAX_LFENCE_ALWAYS_SERIALIZING    (1U << 2)
1038 /* Null Selector Clears Base */
1039 #define CPUID_8000_0021_EAX_NULL_SEL_CLR_BASE            (1U << 6)
1040 /* Automatic IBRS */
1041 #define CPUID_8000_0021_EAX_AUTO_IBRS                    (1U << 8)
1042 /* Enhanced Return Address Predictor Scurity */
1043 #define CPUID_8000_0021_EAX_ERAPS                        (1U << 24)
1044 /* Selective Branch Predictor Barrier */
1045 #define CPUID_8000_0021_EAX_SBPB                         (1U << 27)
1046 /* IBPB includes branch type prediction flushing */
1047 #define CPUID_8000_0021_EAX_IBPB_BRTYPE                  (1U << 28)
1048 /* Not vulnerable to Speculative Return Stack Overflow */
1049 #define CPUID_8000_0021_EAX_SRSO_NO                      (1U << 29)
1050 /* Not vulnerable to SRSO at the user-kernel boundary */
1051 #define CPUID_8000_0021_EAX_SRSO_USER_KERNEL_NO          (1U << 30)
1052 
1053 /*
1054  * Return Address Predictor size. RapSize x 8 is the minimum number of
1055  * CALL instructions software needs to execute to flush the RAP.
1056  */
1057 #define CPUID_8000_0021_EBX_RAPSIZE    (8U << 16)
1058 
1059 /* Performance Monitoring Version 2 */
1060 #define CPUID_8000_0022_EAX_PERFMON_V2  (1U << 0)
1061 
1062 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
1063 #define CPUID_XSAVE_XSAVEC     (1U << 1)
1064 #define CPUID_XSAVE_XGETBV1    (1U << 2)
1065 #define CPUID_XSAVE_XSAVES     (1U << 3)
1066 
1067 #define CPUID_6_EAX_ARAT       (1U << 2)
1068 
1069 /* CPUID[0x80000007].EDX flags: */
1070 #define CPUID_APM_INVTSC       (1U << 8)
1071 
1072 #define CPUID_VENDOR_SZ      12
1073 
1074 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
1075 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
1076 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
1077 #define CPUID_VENDOR_INTEL "GenuineIntel"
1078 
1079 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
1080 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
1081 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
1082 #define CPUID_VENDOR_AMD   "AuthenticAMD"
1083 
1084 #define CPUID_VENDOR_VIA   "CentaurHauls"
1085 
1086 #define CPUID_VENDOR_HYGON    "HygonGenuine"
1087 
1088 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
1089                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
1090                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
1091 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
1092                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
1093                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
1094 
1095 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
1096 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
1097 
1098 /* CPUID[0xB].ECX level types */
1099 #define CPUID_B_ECX_TOPO_LEVEL_INVALID  0
1100 #define CPUID_B_ECX_TOPO_LEVEL_SMT      1
1101 #define CPUID_B_ECX_TOPO_LEVEL_CORE     2
1102 
1103 /* COUID[0x1F].ECX level types */
1104 #define CPUID_1F_ECX_TOPO_LEVEL_INVALID  CPUID_B_ECX_TOPO_LEVEL_INVALID
1105 #define CPUID_1F_ECX_TOPO_LEVEL_SMT      CPUID_B_ECX_TOPO_LEVEL_SMT
1106 #define CPUID_1F_ECX_TOPO_LEVEL_CORE     CPUID_B_ECX_TOPO_LEVEL_CORE
1107 #define CPUID_1F_ECX_TOPO_LEVEL_MODULE   3
1108 #define CPUID_1F_ECX_TOPO_LEVEL_DIE      5
1109 
1110 /* MSR Feature Bits */
1111 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
1112 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
1113 #define MSR_ARCH_CAP_RSBA               (1U << 2)
1114 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
1115 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
1116 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
1117 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
1118 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
1119 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
1120 #define MSR_ARCH_CAP_SBDR_SSDP_NO       (1U << 13)
1121 #define MSR_ARCH_CAP_FBSDP_NO           (1U << 14)
1122 #define MSR_ARCH_CAP_PSDP_NO            (1U << 15)
1123 #define MSR_ARCH_CAP_FB_CLEAR           (1U << 17)
1124 #define MSR_ARCH_CAP_PBRSB_NO           (1U << 24)
1125 
1126 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
1127 
1128 /* VMX MSR features */
1129 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
1130 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
1131 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
1132 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
1133 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
1134 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
1135 #define MSR_VMX_BASIC_ANY_ERRCODE                    (1ULL << 56)
1136 #define MSR_VMX_BASIC_NESTED_EXCEPTION               (1ULL << 58)
1137 
1138 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
1139 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
1140 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
1141 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
1142 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
1143 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
1144 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
1145 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
1146 
1147 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
1148 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
1149 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
1150 #define MSR_VMX_EPT_UC                               (1ULL << 8)
1151 #define MSR_VMX_EPT_WB                               (1ULL << 14)
1152 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
1153 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
1154 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
1155 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
1156 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
1157 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
1158 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
1159 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
1160 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
1161 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
1162 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
1163 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
1164 
1165 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
1166 
1167 
1168 /* VMX controls */
1169 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
1170 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
1171 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
1172 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
1173 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
1174 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
1175 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
1176 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
1177 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
1178 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
1179 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
1180 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
1181 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
1182 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
1183 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
1184 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
1185 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
1186 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
1187 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
1188 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
1189 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
1190 
1191 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
1192 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
1193 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
1194 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
1195 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
1196 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
1197 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
1198 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
1199 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
1200 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
1201 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
1202 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
1203 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
1204 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
1205 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
1206 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
1207 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
1208 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
1209 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
1210 #define VMX_SECONDARY_EXEC_TSC_SCALING              0x02000000
1211 #define VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE   0x04000000
1212 
1213 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
1214 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
1215 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
1216 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
1217 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
1218 
1219 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
1220 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
1221 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
1222 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
1223 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
1224 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
1225 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
1226 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
1227 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
1228 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
1229 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
1230 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
1231 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
1232 #define VMX_VM_EXIT_ACTIVATE_SECONDARY_CONTROLS     0x80000000
1233 
1234 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
1235 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
1236 #define VMX_VM_ENTRY_SMM                            0x00000400
1237 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
1238 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
1239 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
1240 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
1241 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
1242 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
1243 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
1244 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
1245 
1246 /* Supported Hyper-V Enlightenments */
1247 #define HYPERV_FEAT_RELAXED             0
1248 #define HYPERV_FEAT_VAPIC               1
1249 #define HYPERV_FEAT_TIME                2
1250 #define HYPERV_FEAT_CRASH               3
1251 #define HYPERV_FEAT_RESET               4
1252 #define HYPERV_FEAT_VPINDEX             5
1253 #define HYPERV_FEAT_RUNTIME             6
1254 #define HYPERV_FEAT_SYNIC               7
1255 #define HYPERV_FEAT_STIMER              8
1256 #define HYPERV_FEAT_FREQUENCIES         9
1257 #define HYPERV_FEAT_REENLIGHTENMENT     10
1258 #define HYPERV_FEAT_TLBFLUSH            11
1259 #define HYPERV_FEAT_EVMCS               12
1260 #define HYPERV_FEAT_IPI                 13
1261 #define HYPERV_FEAT_STIMER_DIRECT       14
1262 #define HYPERV_FEAT_AVIC                15
1263 #define HYPERV_FEAT_SYNDBG              16
1264 #define HYPERV_FEAT_MSR_BITMAP          17
1265 #define HYPERV_FEAT_XMM_INPUT           18
1266 #define HYPERV_FEAT_TLBFLUSH_EXT        19
1267 #define HYPERV_FEAT_TLBFLUSH_DIRECT     20
1268 
1269 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1270 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1271 #endif
1272 
1273 #define EXCP00_DIVZ	0
1274 #define EXCP01_DB	1
1275 #define EXCP02_NMI	2
1276 #define EXCP03_INT3	3
1277 #define EXCP04_INTO	4
1278 #define EXCP05_BOUND	5
1279 #define EXCP06_ILLOP	6
1280 #define EXCP07_PREX	7
1281 #define EXCP08_DBLE	8
1282 #define EXCP09_XERR	9
1283 #define EXCP0A_TSS	10
1284 #define EXCP0B_NOSEG	11
1285 #define EXCP0C_STACK	12
1286 #define EXCP0D_GPF	13
1287 #define EXCP0E_PAGE	14
1288 #define EXCP10_COPR	16
1289 #define EXCP11_ALGN	17
1290 #define EXCP12_MCHK	18
1291 
1292 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1293 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1294 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1295 
1296 /* i386-specific interrupt pending bits.  */
1297 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1298 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1299 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1300 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1301 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1302 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1303 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1304 
1305 /* Use a clearer name for this.  */
1306 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1307 
1308 #define CC_OP_HAS_EFLAGS(op) ((op) >= CC_OP_EFLAGS && (op) <= CC_OP_ADCOX)
1309 
1310 /* Instead of computing the condition codes after each x86 instruction,
1311  * QEMU just stores one operand (called CC_SRC), the result
1312  * (called CC_DST) and the type of operation (called CC_OP). When the
1313  * condition codes are needed, the condition codes can be calculated
1314  * using this information. Condition codes are not generated if they
1315  * are only needed for conditional branches.
1316  */
1317 typedef enum {
1318     CC_OP_EFLAGS = 0,  /* all cc are explicitly computed, CC_SRC = flags */
1319     CC_OP_ADCX = 1,    /* CC_DST = C, CC_SRC = rest.  */
1320     CC_OP_ADOX = 2,    /* CC_SRC2 = O, CC_SRC = rest.  */
1321     CC_OP_ADCOX = 3,   /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1322 
1323     /* Low 2 bits = MemOp constant for the size */
1324 #define CC_OP_FIRST_BWLQ CC_OP_MULB
1325     CC_OP_MULB = 4, /* modify all flags, C, O = (CC_SRC != 0) */
1326     CC_OP_MULW,
1327     CC_OP_MULL,
1328     CC_OP_MULQ,
1329 
1330     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1331     CC_OP_ADDW,
1332     CC_OP_ADDL,
1333     CC_OP_ADDQ,
1334 
1335     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1336     CC_OP_ADCW,
1337     CC_OP_ADCL,
1338     CC_OP_ADCQ,
1339 
1340     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1341     CC_OP_SUBW,
1342     CC_OP_SUBL,
1343     CC_OP_SUBQ,
1344 
1345     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1346     CC_OP_SBBW,
1347     CC_OP_SBBL,
1348     CC_OP_SBBQ,
1349 
1350     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1351     CC_OP_LOGICW,
1352     CC_OP_LOGICL,
1353     CC_OP_LOGICQ,
1354 
1355     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1356     CC_OP_INCW,
1357     CC_OP_INCL,
1358     CC_OP_INCQ,
1359 
1360     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1361     CC_OP_DECW,
1362     CC_OP_DECL,
1363     CC_OP_DECQ,
1364 
1365     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1366     CC_OP_SHLW,
1367     CC_OP_SHLL,
1368     CC_OP_SHLQ,
1369 
1370     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1371     CC_OP_SARW,
1372     CC_OP_SARL,
1373     CC_OP_SARQ,
1374 
1375     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1376     CC_OP_BMILGW,
1377     CC_OP_BMILGL,
1378     CC_OP_BMILGQ,
1379 
1380     CC_OP_BLSIB, /* Z,S via CC_DST, C = SRC!=0; O=0; P,A undefined */
1381     CC_OP_BLSIW,
1382     CC_OP_BLSIL,
1383     CC_OP_BLSIQ,
1384 
1385     /*
1386      * Note that only CC_OP_POPCNT (i.e. the one with MO_TL size)
1387      * is used or implemented, because the translation needs
1388      * to zero-extend CC_DST anyway.
1389      */
1390     CC_OP_POPCNTB__, /* Z via CC_DST, all other flags clear.  */
1391     CC_OP_POPCNTW__,
1392     CC_OP_POPCNTL__,
1393     CC_OP_POPCNTQ__,
1394     CC_OP_POPCNT = sizeof(target_ulong) == 8 ? CC_OP_POPCNTQ__ : CC_OP_POPCNTL__,
1395 #define CC_OP_LAST_BWLQ CC_OP_POPCNTQ__
1396 
1397     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1398 } CCOp;
1399 
1400 /* See X86DecodedInsn.cc_op, using int8_t. */
1401 QEMU_BUILD_BUG_ON(CC_OP_DYNAMIC > INT8_MAX);
1402 
cc_op_size(CCOp op)1403 static inline MemOp cc_op_size(CCOp op)
1404 {
1405     MemOp size = op & 3;
1406 
1407     QEMU_BUILD_BUG_ON(CC_OP_FIRST_BWLQ & 3);
1408     assert(op >= CC_OP_FIRST_BWLQ && op <= CC_OP_LAST_BWLQ);
1409     assert(size <= MO_TL);
1410 
1411     return size;
1412 }
1413 
1414 typedef struct SegmentCache {
1415     uint32_t selector;
1416     target_ulong base;
1417     uint32_t limit;
1418     uint32_t flags;
1419 } SegmentCache;
1420 
1421 typedef union MMXReg {
1422     uint8_t  _b_MMXReg[64 / 8];
1423     uint16_t _w_MMXReg[64 / 16];
1424     uint32_t _l_MMXReg[64 / 32];
1425     uint64_t _q_MMXReg[64 / 64];
1426     float32  _s_MMXReg[64 / 32];
1427     float64  _d_MMXReg[64 / 64];
1428 } MMXReg;
1429 
1430 typedef union XMMReg {
1431     uint64_t _q_XMMReg[128 / 64];
1432 } XMMReg;
1433 
1434 typedef union YMMReg {
1435     uint64_t _q_YMMReg[256 / 64];
1436     XMMReg   _x_YMMReg[256 / 128];
1437 } YMMReg;
1438 
1439 typedef union ZMMReg {
1440     uint8_t  _b_ZMMReg[512 / 8];
1441     uint16_t _w_ZMMReg[512 / 16];
1442     uint32_t _l_ZMMReg[512 / 32];
1443     uint64_t _q_ZMMReg[512 / 64];
1444     float16  _h_ZMMReg[512 / 16];
1445     float32  _s_ZMMReg[512 / 32];
1446     float64  _d_ZMMReg[512 / 64];
1447     XMMReg   _x_ZMMReg[512 / 128];
1448     YMMReg   _y_ZMMReg[512 / 256];
1449 } ZMMReg;
1450 
1451 typedef struct BNDReg {
1452     uint64_t lb;
1453     uint64_t ub;
1454 } BNDReg;
1455 
1456 typedef struct BNDCSReg {
1457     uint64_t cfgu;
1458     uint64_t sts;
1459 } BNDCSReg;
1460 
1461 #define BNDCFG_ENABLE       1ULL
1462 #define BNDCFG_BNDPRESERVE  2ULL
1463 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1464 
1465 #if HOST_BIG_ENDIAN
1466 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1467 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1468 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1469 #define ZMM_H(n) _h_ZMMReg[31 - (n)]
1470 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1471 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1472 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1473 #define ZMM_X(n) _x_ZMMReg[3 - (n)]
1474 #define ZMM_Y(n) _y_ZMMReg[1 - (n)]
1475 
1476 #define XMM_Q(n) _q_XMMReg[1 - (n)]
1477 
1478 #define YMM_Q(n) _q_YMMReg[3 - (n)]
1479 #define YMM_X(n) _x_YMMReg[1 - (n)]
1480 
1481 #define MMX_B(n) _b_MMXReg[7 - (n)]
1482 #define MMX_W(n) _w_MMXReg[3 - (n)]
1483 #define MMX_L(n) _l_MMXReg[1 - (n)]
1484 #define MMX_S(n) _s_MMXReg[1 - (n)]
1485 #else
1486 #define ZMM_B(n) _b_ZMMReg[n]
1487 #define ZMM_W(n) _w_ZMMReg[n]
1488 #define ZMM_L(n) _l_ZMMReg[n]
1489 #define ZMM_H(n) _h_ZMMReg[n]
1490 #define ZMM_S(n) _s_ZMMReg[n]
1491 #define ZMM_Q(n) _q_ZMMReg[n]
1492 #define ZMM_D(n) _d_ZMMReg[n]
1493 #define ZMM_X(n) _x_ZMMReg[n]
1494 #define ZMM_Y(n) _y_ZMMReg[n]
1495 
1496 #define XMM_Q(n) _q_XMMReg[n]
1497 
1498 #define YMM_Q(n) _q_YMMReg[n]
1499 #define YMM_X(n) _x_YMMReg[n]
1500 
1501 #define MMX_B(n) _b_MMXReg[n]
1502 #define MMX_W(n) _w_MMXReg[n]
1503 #define MMX_L(n) _l_MMXReg[n]
1504 #define MMX_S(n) _s_MMXReg[n]
1505 #endif
1506 #define MMX_Q(n) _q_MMXReg[n]
1507 
1508 typedef union {
1509     floatx80 d __attribute__((aligned(16)));
1510     MMXReg mmx;
1511 } FPReg;
1512 
1513 typedef struct {
1514     uint64_t base;
1515     uint64_t mask;
1516 } MTRRVar;
1517 
1518 #define CPU_NB_REGS64 16
1519 #define CPU_NB_REGS32 8
1520 
1521 #ifdef TARGET_X86_64
1522 #define CPU_NB_REGS CPU_NB_REGS64
1523 #else
1524 #define CPU_NB_REGS CPU_NB_REGS32
1525 #endif
1526 
1527 #define MAX_FIXED_COUNTERS 3
1528 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1529 
1530 #define TARGET_INSN_START_EXTRA_WORDS 1
1531 
1532 #define NB_OPMASK_REGS 8
1533 
1534 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1535  * that APIC ID hasn't been set yet
1536  */
1537 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1538 
1539 typedef struct X86LegacyXSaveArea {
1540     uint16_t fcw;
1541     uint16_t fsw;
1542     uint8_t ftw;
1543     uint8_t reserved;
1544     uint16_t fpop;
1545     union {
1546         struct {
1547             uint64_t fpip;
1548             uint64_t fpdp;
1549         };
1550         struct {
1551             uint32_t fip;
1552             uint32_t fcs;
1553             uint32_t foo;
1554             uint32_t fos;
1555         };
1556     };
1557     uint32_t mxcsr;
1558     uint32_t mxcsr_mask;
1559     FPReg fpregs[8];
1560     uint8_t xmm_regs[16][16];
1561     uint32_t hw_reserved[12];
1562     uint32_t sw_reserved[12];
1563 } X86LegacyXSaveArea;
1564 
1565 QEMU_BUILD_BUG_ON(sizeof(X86LegacyXSaveArea) != 512);
1566 
1567 typedef struct X86XSaveHeader {
1568     uint64_t xstate_bv;
1569     uint64_t xcomp_bv;
1570     uint64_t reserve0;
1571     uint8_t reserved[40];
1572 } X86XSaveHeader;
1573 
1574 /* Ext. save area 2: AVX State */
1575 typedef struct XSaveAVX {
1576     uint8_t ymmh[16][16];
1577 } XSaveAVX;
1578 
1579 /* Ext. save area 3: BNDREG */
1580 typedef struct XSaveBNDREG {
1581     BNDReg bnd_regs[4];
1582 } XSaveBNDREG;
1583 
1584 /* Ext. save area 4: BNDCSR */
1585 typedef union XSaveBNDCSR {
1586     BNDCSReg bndcsr;
1587     uint8_t data[64];
1588 } XSaveBNDCSR;
1589 
1590 /* Ext. save area 5: Opmask */
1591 typedef struct XSaveOpmask {
1592     uint64_t opmask_regs[NB_OPMASK_REGS];
1593 } XSaveOpmask;
1594 
1595 /* Ext. save area 6: ZMM_Hi256 */
1596 typedef struct XSaveZMM_Hi256 {
1597     uint8_t zmm_hi256[16][32];
1598 } XSaveZMM_Hi256;
1599 
1600 /* Ext. save area 7: Hi16_ZMM */
1601 typedef struct XSaveHi16_ZMM {
1602     uint8_t hi16_zmm[16][64];
1603 } XSaveHi16_ZMM;
1604 
1605 /* Ext. save area 9: PKRU state */
1606 typedef struct XSavePKRU {
1607     uint32_t pkru;
1608     uint32_t padding;
1609 } XSavePKRU;
1610 
1611 /* Ext. save area 17: AMX XTILECFG state */
1612 typedef struct XSaveXTILECFG {
1613     uint8_t xtilecfg[64];
1614 } XSaveXTILECFG;
1615 
1616 /* Ext. save area 18: AMX XTILEDATA state */
1617 typedef struct XSaveXTILEDATA {
1618     uint8_t xtiledata[8][1024];
1619 } XSaveXTILEDATA;
1620 
1621 typedef struct {
1622        uint64_t from;
1623        uint64_t to;
1624        uint64_t info;
1625 } LBREntry;
1626 
1627 #define ARCH_LBR_NR_ENTRIES            32
1628 
1629 /* Ext. save area 19: Supervisor mode Arch LBR state */
1630 typedef struct XSavesArchLBR {
1631     uint64_t lbr_ctl;
1632     uint64_t lbr_depth;
1633     uint64_t ler_from;
1634     uint64_t ler_to;
1635     uint64_t ler_info;
1636     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1637 } XSavesArchLBR;
1638 
1639 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1640 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1641 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1642 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1643 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1644 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1645 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1646 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILECFG) != 0x40);
1647 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILEDATA) != 0x2000);
1648 QEMU_BUILD_BUG_ON(sizeof(XSavesArchLBR) != 0x328);
1649 
1650 typedef struct ExtSaveArea {
1651     uint32_t feature, bits;
1652     uint32_t offset, size;
1653     uint32_t ecx;
1654 } ExtSaveArea;
1655 
1656 #define XSAVE_STATE_AREA_COUNT (XSTATE_XTILE_DATA_BIT + 1)
1657 
1658 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
1659 
1660 typedef enum TPRAccess {
1661     TPR_ACCESS_READ,
1662     TPR_ACCESS_WRITE,
1663 } TPRAccess;
1664 
1665 /* Cache information data structures: */
1666 
1667 enum CacheType {
1668     DATA_CACHE,
1669     INSTRUCTION_CACHE,
1670     UNIFIED_CACHE
1671 };
1672 
1673 typedef struct CPUCacheInfo {
1674     enum CacheType type;
1675     uint8_t level;
1676     /* Size in bytes */
1677     uint32_t size;
1678     /* Line size, in bytes */
1679     uint16_t line_size;
1680     /*
1681      * Associativity.
1682      * Note: representation of fully-associative caches is not implemented
1683      */
1684     uint8_t associativity;
1685     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1686     uint8_t partitions;
1687     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1688     uint32_t sets;
1689     /*
1690      * Lines per tag.
1691      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1692      * (Is this synonym to @partitions?)
1693      */
1694     uint8_t lines_per_tag;
1695 
1696     /* Self-initializing cache */
1697     bool self_init;
1698     /*
1699      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1700      * non-originating threads sharing this cache.
1701      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1702      */
1703     bool no_invd_sharing;
1704     /*
1705      * Cache is inclusive of lower cache levels.
1706      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1707      */
1708     bool inclusive;
1709     /*
1710      * A complex function is used to index the cache, potentially using all
1711      * address bits.  CPUID[4].EDX[bit 2].
1712      */
1713     bool complex_indexing;
1714 
1715     /*
1716      * Cache Topology. The level that cache is shared in.
1717      * Used to encode CPUID[4].EAX[bits 25:14] or
1718      * CPUID[0x8000001D].EAX[bits 25:14].
1719      */
1720     CpuTopologyLevel share_level;
1721 } CPUCacheInfo;
1722 
1723 
1724 typedef struct CPUCaches {
1725         CPUCacheInfo *l1d_cache;
1726         CPUCacheInfo *l1i_cache;
1727         CPUCacheInfo *l2_cache;
1728         CPUCacheInfo *l3_cache;
1729 } CPUCaches;
1730 
1731 typedef struct HVFX86LazyFlags {
1732     target_ulong result;
1733     target_ulong auxbits;
1734 } HVFX86LazyFlags;
1735 
1736 typedef struct CPUArchState {
1737     /* standard registers */
1738     target_ulong regs[CPU_NB_REGS];
1739     target_ulong eip;
1740     target_ulong eflags; /* eflags register. During CPU emulation, CC
1741                         flags and DF are set to zero because they are
1742                         stored elsewhere */
1743 
1744     /* emulator internal eflags handling */
1745     target_ulong cc_dst;
1746     target_ulong cc_src;
1747     target_ulong cc_src2;
1748     uint32_t cc_op;
1749     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1750     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1751                         are known at translation time. */
1752     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1753 
1754     /* segments */
1755     SegmentCache segs[6]; /* selector values */
1756     SegmentCache ldt;
1757     SegmentCache tr;
1758     SegmentCache gdt; /* only base and limit are used */
1759     SegmentCache idt; /* only base and limit are used */
1760 
1761     target_ulong cr[5]; /* NOTE: cr1 is unused */
1762 
1763     bool pdptrs_valid;
1764     uint64_t pdptrs[4];
1765     int32_t a20_mask;
1766 
1767     BNDReg bnd_regs[4];
1768     BNDCSReg bndcs_regs;
1769     uint64_t msr_bndcfgs;
1770     uint64_t efer;
1771 
1772     /* Beginning of state preserved by INIT (dummy marker).  */
1773     struct {} start_init_save;
1774 
1775     /* FPU state */
1776     unsigned int fpstt; /* top of stack index */
1777     uint16_t fpus;
1778     uint16_t fpuc;
1779     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1780     FPReg fpregs[8];
1781     /* KVM-only so far */
1782     uint16_t fpop;
1783     uint16_t fpcs;
1784     uint16_t fpds;
1785     uint64_t fpip;
1786     uint64_t fpdp;
1787 
1788     /* emulator internal variables */
1789     float_status fp_status;
1790     floatx80 ft0;
1791 
1792     float_status mmx_status; /* for 3DNow! float ops */
1793     float_status sse_status;
1794     uint32_t mxcsr;
1795     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32] QEMU_ALIGNED(16);
1796     ZMMReg xmm_t0 QEMU_ALIGNED(16);
1797     MMXReg mmx_t0;
1798 
1799     uint64_t opmask_regs[NB_OPMASK_REGS];
1800 #ifdef TARGET_X86_64
1801     uint8_t xtilecfg[64];
1802     uint8_t xtiledata[8192];
1803 #endif
1804 
1805     /* sysenter registers */
1806     uint32_t sysenter_cs;
1807     target_ulong sysenter_esp;
1808     target_ulong sysenter_eip;
1809     uint64_t star;
1810 
1811     uint64_t vm_hsave;
1812 
1813 #ifdef TARGET_X86_64
1814     target_ulong lstar;
1815     target_ulong cstar;
1816     target_ulong fmask;
1817     target_ulong kernelgsbase;
1818 
1819     /* FRED MSRs */
1820     uint64_t fred_rsp0;
1821     uint64_t fred_rsp1;
1822     uint64_t fred_rsp2;
1823     uint64_t fred_rsp3;
1824     uint64_t fred_stklvls;
1825     uint64_t fred_ssp1;
1826     uint64_t fred_ssp2;
1827     uint64_t fred_ssp3;
1828     uint64_t fred_config;
1829 #endif
1830 
1831     uint64_t tsc_adjust;
1832     uint64_t tsc_deadline;
1833     uint64_t tsc_aux;
1834 
1835     uint64_t xcr0;
1836 
1837     uint64_t mcg_status;
1838     uint64_t msr_ia32_misc_enable;
1839     uint64_t msr_ia32_feature_control;
1840     uint64_t msr_ia32_sgxlepubkeyhash[4];
1841 
1842     uint64_t msr_fixed_ctr_ctrl;
1843     uint64_t msr_global_ctrl;
1844     uint64_t msr_global_status;
1845     uint64_t msr_global_ovf_ctrl;
1846     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1847     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1848     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1849 
1850     uint64_t pat;
1851     uint32_t smbase;
1852     uint64_t msr_smi_count;
1853 
1854     uint32_t pkru;
1855     uint32_t pkrs;
1856     uint32_t tsx_ctrl;
1857 
1858     uint64_t spec_ctrl;
1859     uint64_t amd_tsc_scale_msr;
1860     uint64_t virt_ssbd;
1861 
1862     /* End of state preserved by INIT (dummy marker).  */
1863     struct {} end_init_save;
1864 
1865     uint64_t system_time_msr;
1866     uint64_t wall_clock_msr;
1867     uint64_t steal_time_msr;
1868     uint64_t async_pf_en_msr;
1869     uint64_t async_pf_int_msr;
1870     uint64_t pv_eoi_en_msr;
1871     uint64_t poll_control_msr;
1872 
1873     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1874     uint64_t msr_hv_hypercall;
1875     uint64_t msr_hv_guest_os_id;
1876     uint64_t msr_hv_tsc;
1877     uint64_t msr_hv_syndbg_control;
1878     uint64_t msr_hv_syndbg_status;
1879     uint64_t msr_hv_syndbg_send_page;
1880     uint64_t msr_hv_syndbg_recv_page;
1881     uint64_t msr_hv_syndbg_pending_page;
1882     uint64_t msr_hv_syndbg_options;
1883 
1884     /* Per-VCPU HV MSRs */
1885     uint64_t msr_hv_vapic;
1886     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1887     uint64_t msr_hv_runtime;
1888     uint64_t msr_hv_synic_control;
1889     uint64_t msr_hv_synic_evt_page;
1890     uint64_t msr_hv_synic_msg_page;
1891     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1892     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1893     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1894     uint64_t msr_hv_reenlightenment_control;
1895     uint64_t msr_hv_tsc_emulation_control;
1896     uint64_t msr_hv_tsc_emulation_status;
1897 
1898     uint64_t msr_rtit_ctrl;
1899     uint64_t msr_rtit_status;
1900     uint64_t msr_rtit_output_base;
1901     uint64_t msr_rtit_output_mask;
1902     uint64_t msr_rtit_cr3_match;
1903     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1904 
1905     /* Per-VCPU XFD MSRs */
1906     uint64_t msr_xfd;
1907     uint64_t msr_xfd_err;
1908 
1909     /* Per-VCPU Arch LBR MSRs */
1910     uint64_t msr_lbr_ctl;
1911     uint64_t msr_lbr_depth;
1912     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1913 
1914     /* AMD MSRC001_0015 Hardware Configuration */
1915     uint64_t msr_hwcr;
1916 
1917     /* exception/interrupt handling */
1918     int error_code;
1919     int exception_is_int;
1920     target_ulong exception_next_eip;
1921     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1922     union {
1923         struct CPUBreakpoint *cpu_breakpoint[4];
1924         struct CPUWatchpoint *cpu_watchpoint[4];
1925     }; /* break/watchpoints for dr[0..3] */
1926     int old_exception;  /* exception in flight */
1927 
1928     uint64_t vm_vmcb;
1929     uint64_t tsc_offset;
1930     uint64_t intercept;
1931     uint16_t intercept_cr_read;
1932     uint16_t intercept_cr_write;
1933     uint16_t intercept_dr_read;
1934     uint16_t intercept_dr_write;
1935     uint32_t intercept_exceptions;
1936     uint64_t nested_cr3;
1937     uint32_t nested_pg_mode;
1938     uint8_t v_tpr;
1939     uint32_t int_ctl;
1940 
1941     /* KVM states, automatically cleared on reset */
1942     uint8_t nmi_injected;
1943     uint8_t nmi_pending;
1944 
1945     uintptr_t retaddr;
1946 
1947     /* RAPL MSR */
1948     uint64_t msr_rapl_power_unit;
1949     uint64_t msr_pkg_energy_status;
1950 
1951     /* Fields up to this point are cleared by a CPU reset */
1952     struct {} end_reset_fields;
1953 
1954     /* Fields after this point are preserved across CPU reset. */
1955 
1956     /* processor features (e.g. for CPUID insn) */
1957     /* Minimum cpuid leaf 7 value */
1958     uint32_t cpuid_level_func7;
1959     /* Actual cpuid leaf 7 value */
1960     uint32_t cpuid_min_level_func7;
1961     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1962     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1963     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1964     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1965     /* Actual level/xlevel/xlevel2 value: */
1966     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1967     uint32_t cpuid_vendor1;
1968     uint32_t cpuid_vendor2;
1969     uint32_t cpuid_vendor3;
1970     uint32_t cpuid_version;
1971     FeatureWordArray features;
1972     /* AVX10 version */
1973     uint8_t avx10_version;
1974     /* Features that were explicitly enabled/disabled */
1975     FeatureWordArray user_features;
1976     uint32_t cpuid_model[12];
1977     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1978      * on each CPUID leaf will be different, because we keep compatibility
1979      * with old QEMU versions.
1980      */
1981     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1982 
1983     /* MTRRs */
1984     uint64_t mtrr_fixed[11];
1985     uint64_t mtrr_deftype;
1986     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1987 
1988     /* For KVM */
1989     uint32_t mp_state;
1990     int32_t exception_nr;
1991     int32_t interrupt_injected;
1992     uint8_t soft_interrupt;
1993     uint8_t exception_pending;
1994     uint8_t exception_injected;
1995     uint8_t has_error_code;
1996     uint8_t exception_has_payload;
1997     uint64_t exception_payload;
1998     uint8_t triple_fault_pending;
1999     uint32_t ins_len;
2000     uint32_t sipi_vector;
2001     bool tsc_valid;
2002     int64_t tsc_khz;
2003     int64_t user_tsc_khz; /* for sanity check only */
2004     uint64_t apic_bus_freq;
2005     uint64_t tsc;
2006 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
2007     void *xsave_buf;
2008     uint32_t xsave_buf_len;
2009 #endif
2010 #if defined(CONFIG_KVM)
2011     struct kvm_nested_state *nested_state;
2012     MemoryRegion *xen_vcpu_info_mr;
2013     void *xen_vcpu_info_hva;
2014     uint64_t xen_vcpu_info_gpa;
2015     uint64_t xen_vcpu_info_default_gpa;
2016     uint64_t xen_vcpu_time_info_gpa;
2017     uint64_t xen_vcpu_runstate_gpa;
2018     uint8_t xen_vcpu_callback_vector;
2019     bool xen_callback_asserted;
2020     uint16_t xen_virq[XEN_NR_VIRQS];
2021     uint64_t xen_singleshot_timer_ns;
2022     QEMUTimer *xen_singleshot_timer;
2023     uint64_t xen_periodic_timer_period;
2024     QEMUTimer *xen_periodic_timer;
2025     QemuMutex xen_timers_lock;
2026 #endif
2027 #if defined(CONFIG_HVF)
2028     HVFX86LazyFlags hvf_lflags;
2029     void *hvf_mmio_buf;
2030 #endif
2031 
2032     uint64_t mcg_cap;
2033     uint64_t mcg_ctl;
2034     uint64_t mcg_ext_ctl;
2035     uint64_t mce_banks[MCE_BANKS_DEF*4];
2036     uint64_t xstate_bv;
2037 
2038     /* vmstate */
2039     uint16_t fpus_vmstate;
2040     uint16_t fptag_vmstate;
2041     uint16_t fpregs_format_vmstate;
2042 
2043     uint64_t xss;
2044     uint32_t umwait;
2045 
2046     TPRAccess tpr_access_type;
2047 
2048     /* Number of dies within this CPU package. */
2049     unsigned nr_dies;
2050 
2051     /* Number of modules within one die. */
2052     unsigned nr_modules;
2053 
2054     /* Bitmap of available CPU topology levels for this CPU. */
2055     DECLARE_BITMAP(avail_cpu_topo, CPU_TOPOLOGY_LEVEL__MAX);
2056 } CPUX86State;
2057 
2058 struct kvm_msrs;
2059 
2060 /**
2061  * X86CPU:
2062  * @env: #CPUX86State
2063  * @migratable: If set, only migratable flags will be accepted when "enforce"
2064  * mode is used, and only migratable flags will be included in the "host"
2065  * CPU model.
2066  *
2067  * An x86 CPU.
2068  */
2069 struct ArchCPU {
2070     CPUState parent_obj;
2071 
2072     CPUX86State env;
2073     VMChangeStateEntry *vmsentry;
2074 
2075     uint64_t ucode_rev;
2076 
2077     uint32_t hyperv_spinlock_attempts;
2078     char *hyperv_vendor;
2079     bool hyperv_synic_kvm_only;
2080     uint64_t hyperv_features;
2081     bool hyperv_passthrough;
2082     OnOffAuto hyperv_no_nonarch_cs;
2083     uint32_t hyperv_vendor_id[3];
2084     uint32_t hyperv_interface_id[4];
2085     uint32_t hyperv_limits[3];
2086     bool hyperv_enforce_cpuid;
2087     uint32_t hyperv_ver_id_build;
2088     uint16_t hyperv_ver_id_major;
2089     uint16_t hyperv_ver_id_minor;
2090     uint32_t hyperv_ver_id_sp;
2091     uint8_t hyperv_ver_id_sb;
2092     uint32_t hyperv_ver_id_sn;
2093 
2094     bool check_cpuid;
2095     bool enforce_cpuid;
2096     /*
2097      * Force features to be enabled even if the host doesn't support them.
2098      * This is dangerous and should be done only for testing CPUID
2099      * compatibility.
2100      */
2101     bool force_features;
2102     bool expose_kvm;
2103     bool expose_tcg;
2104     bool migratable;
2105     bool migrate_smi_count;
2106     bool max_features; /* Enable all supported features automatically */
2107     uint32_t apic_id;
2108 
2109     /* Enables publishing of TSC increment and Local APIC bus frequencies to
2110      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
2111     bool vmware_cpuid_freq;
2112 
2113     /* if true the CPUID code directly forward host cache leaves to the guest */
2114     bool cache_info_passthrough;
2115 
2116     /* if true the CPUID code directly forwards
2117      * host monitor/mwait leaves to the guest */
2118     struct {
2119         uint32_t eax;
2120         uint32_t ebx;
2121         uint32_t ecx;
2122         uint32_t edx;
2123     } mwait;
2124 
2125     /* Features that were filtered out because of missing host capabilities */
2126     FeatureWordArray filtered_features;
2127 
2128     /* Enable PMU CPUID bits. This can't be enabled by default yet because
2129      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
2130      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
2131      * capabilities) directly to the guest.
2132      */
2133     bool enable_pmu;
2134 
2135     /*
2136      * Enable LBR_FMT bits of IA32_PERF_CAPABILITIES MSR.
2137      * This can't be initialized with a default because it doesn't have
2138      * stable ABI support yet. It is only allowed to pass all LBR_FMT bits
2139      * returned by kvm_arch_get_supported_msr_feature()(which depends on both
2140      * host CPU and kernel capabilities) to the guest.
2141      */
2142     uint64_t lbr_fmt;
2143 
2144     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
2145      * disabled by default to avoid breaking migration between QEMU with
2146      * different LMCE configurations.
2147      */
2148     bool enable_lmce;
2149 
2150     /* Compatibility bits for old machine types.
2151      * If true present virtual l3 cache for VM, the vcpus in the same virtual
2152      * socket share an virtual l3 cache.
2153      */
2154     bool enable_l3_cache;
2155 
2156     /* Compatibility bits for old machine types.
2157      * If true present L1 cache as per-thread, not per-core.
2158      */
2159     bool l1_cache_per_core;
2160 
2161     /* Compatibility bits for old machine types.
2162      * If true present the old cache topology information
2163      */
2164     bool legacy_cache;
2165 
2166     /* Compatibility bits for old machine types.
2167      * If true decode the CPUID Function 0x8000001E_ECX to support multiple
2168      * nodes per processor
2169      */
2170     bool legacy_multi_node;
2171 
2172     /* Compatibility bits for old machine types: */
2173     bool enable_cpuid_0xb;
2174 
2175     /* Enable auto level-increase for all CPUID leaves */
2176     bool full_cpuid_auto_level;
2177 
2178     /* Only advertise CPUID leaves defined by the vendor */
2179     bool vendor_cpuid_only;
2180 
2181     /* Only advertise TOPOEXT features that AMD defines */
2182     bool amd_topoext_features_only;
2183 
2184     /* Enable auto level-increase for Intel Processor Trace leave */
2185     bool intel_pt_auto_level;
2186 
2187     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
2188     bool fill_mtrr_mask;
2189 
2190     /* if true override the phys_bits value with a value read from the host */
2191     bool host_phys_bits;
2192 
2193     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
2194     uint8_t host_phys_bits_limit;
2195 
2196     /* Forcefully disable KVM PV features not exposed in guest CPUIDs */
2197     bool kvm_pv_enforce_cpuid;
2198 
2199     /* Number of physical address bits supported */
2200     uint32_t phys_bits;
2201 
2202     /*
2203      * Number of guest physical address bits available. Usually this is
2204      * identical to host physical address bits. With NPT or EPT 4-level
2205      * paging, guest physical address space might be restricted to 48 bits
2206      * even if the host cpu supports more physical address bits.
2207      */
2208     uint32_t guest_phys_bits;
2209 
2210     /* in order to simplify APIC support, we leave this pointer to the
2211        user */
2212     struct DeviceState *apic_state;
2213     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
2214     Notifier machine_done;
2215 
2216     struct kvm_msrs *kvm_msr_buf;
2217 
2218     int32_t node_id; /* NUMA node this CPU belongs to */
2219     int32_t socket_id;
2220     int32_t die_id;
2221     int32_t module_id;
2222     int32_t core_id;
2223     int32_t thread_id;
2224 
2225     int32_t hv_max_vps;
2226 
2227     bool xen_vapic;
2228 };
2229 
2230 typedef struct X86CPUModel X86CPUModel;
2231 
2232 /**
2233  * X86CPUClass:
2234  * @cpu_def: CPU model definition
2235  * @host_cpuid_required: Whether CPU model requires cpuid from host.
2236  * @ordering: Ordering on the "-cpu help" CPU model list.
2237  * @migration_safe: See CpuDefinitionInfo::migration_safe
2238  * @static_model: See CpuDefinitionInfo::static
2239  * @parent_realize: The parent class' realize handler.
2240  * @parent_phases: The parent class' reset phase handlers.
2241  *
2242  * An x86 CPU model or family.
2243  */
2244 struct X86CPUClass {
2245     CPUClass parent_class;
2246 
2247     /*
2248      * CPU definition, automatically loaded by instance_init if not NULL.
2249      * Should be eventually replaced by subclass-specific property defaults.
2250      */
2251     X86CPUModel *model;
2252 
2253     bool host_cpuid_required;
2254     int ordering;
2255     bool migration_safe;
2256     bool static_model;
2257 
2258     /*
2259      * Optional description of CPU model.
2260      * If unavailable, cpu_def->model_id is used.
2261      */
2262     const char *model_description;
2263 
2264     DeviceRealize parent_realize;
2265     DeviceUnrealize parent_unrealize;
2266     ResettablePhases parent_phases;
2267 };
2268 
2269 #ifndef CONFIG_USER_ONLY
2270 extern const VMStateDescription vmstate_x86_cpu;
2271 #endif
2272 
2273 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
2274 
2275 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
2276                              int cpuid, DumpState *s);
2277 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
2278                              int cpuid, DumpState *s);
2279 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2280                                  DumpState *s);
2281 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2282                                  DumpState *s);
2283 
2284 bool x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
2285                                 Error **errp);
2286 
2287 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
2288 
2289 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
2290 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
2291 void x86_cpu_gdb_init(CPUState *cs);
2292 
2293 void x86_cpu_list(void);
2294 int cpu_x86_support_mca_broadcast(CPUX86State *env);
2295 
2296 #ifndef CONFIG_USER_ONLY
2297 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
2298                                          MemTxAttrs *attrs);
2299 int cpu_get_pic_interrupt(CPUX86State *s);
2300 
2301 /* MS-DOS compatibility mode FPU exception support */
2302 void x86_register_ferr_irq(qemu_irq irq);
2303 void fpu_check_raise_ferr_irq(CPUX86State *s);
2304 void cpu_set_ignne(void);
2305 void cpu_clear_ignne(void);
2306 #endif
2307 
2308 /* mpx_helper.c */
2309 void cpu_sync_bndcs_hflags(CPUX86State *env);
2310 
2311 /* this function must always be used to load data in the segment
2312    cache: it synchronizes the hflags with the segment cache values */
cpu_x86_load_seg_cache(CPUX86State * env,X86Seg seg_reg,unsigned int selector,target_ulong base,unsigned int limit,unsigned int flags)2313 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
2314                                           X86Seg seg_reg, unsigned int selector,
2315                                           target_ulong base,
2316                                           unsigned int limit,
2317                                           unsigned int flags)
2318 {
2319     SegmentCache *sc;
2320     unsigned int new_hflags;
2321 
2322     sc = &env->segs[seg_reg];
2323     sc->selector = selector;
2324     sc->base = base;
2325     sc->limit = limit;
2326     sc->flags = flags;
2327 
2328     /* update the hidden flags */
2329     {
2330         if (seg_reg == R_CS) {
2331 #ifdef TARGET_X86_64
2332             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
2333                 /* long mode */
2334                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
2335                 env->hflags &= ~(HF_ADDSEG_MASK);
2336             } else
2337 #endif
2338             {
2339                 /* legacy / compatibility case */
2340                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
2341                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
2342                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
2343                     new_hflags;
2344             }
2345         }
2346         if (seg_reg == R_SS) {
2347             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
2348 #if HF_CPL_MASK != 3
2349 #error HF_CPL_MASK is hardcoded
2350 #endif
2351             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
2352             /* Possibly switch between BNDCFGS and BNDCFGU */
2353             cpu_sync_bndcs_hflags(env);
2354         }
2355         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
2356             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
2357         if (env->hflags & HF_CS64_MASK) {
2358             /* zero base assumed for DS, ES and SS in long mode */
2359         } else if (!(env->cr[0] & CR0_PE_MASK) ||
2360                    (env->eflags & VM_MASK) ||
2361                    !(env->hflags & HF_CS32_MASK)) {
2362             /* XXX: try to avoid this test. The problem comes from the
2363                fact that is real mode or vm86 mode we only modify the
2364                'base' and 'selector' fields of the segment cache to go
2365                faster. A solution may be to force addseg to one in
2366                translate-i386.c. */
2367             new_hflags |= HF_ADDSEG_MASK;
2368         } else {
2369             new_hflags |= ((env->segs[R_DS].base |
2370                             env->segs[R_ES].base |
2371                             env->segs[R_SS].base) != 0) <<
2372                 HF_ADDSEG_SHIFT;
2373         }
2374         env->hflags = (env->hflags &
2375                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
2376     }
2377 }
2378 
cpu_x86_load_seg_cache_sipi(X86CPU * cpu,uint8_t sipi_vector)2379 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
2380                                                uint8_t sipi_vector)
2381 {
2382     CPUState *cs = CPU(cpu);
2383     CPUX86State *env = &cpu->env;
2384 
2385     env->eip = 0;
2386     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
2387                            sipi_vector << 12,
2388                            env->segs[R_CS].limit,
2389                            env->segs[R_CS].flags);
2390     cs->halted = 0;
2391 }
2392 
2393 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
2394                             target_ulong *base, unsigned int *limit,
2395                             unsigned int *flags);
2396 
2397 /* op_helper.c */
2398 /* used for debug or cpu save/restore */
2399 
2400 /* cpu-exec.c */
2401 /*
2402  * The following helpers are only usable in user mode simulation.
2403  * The host pointers should come from lock_user().
2404  */
2405 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
2406 void cpu_x86_fsave(CPUX86State *s, void *host, size_t len);
2407 void cpu_x86_frstor(CPUX86State *s, void *host, size_t len);
2408 void cpu_x86_fxsave(CPUX86State *s, void *host, size_t len);
2409 void cpu_x86_fxrstor(CPUX86State *s, void *host, size_t len);
2410 void cpu_x86_xsave(CPUX86State *s, void *host, size_t len, uint64_t rbfm);
2411 bool cpu_x86_xrstor(CPUX86State *s, void *host, size_t len, uint64_t rbfm);
2412 
2413 /* cpu.c */
2414 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
2415                               uint32_t vendor2, uint32_t vendor3);
2416 typedef struct PropValue {
2417     const char *prop, *value;
2418 } PropValue;
2419 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props);
2420 
2421 void x86_cpu_after_reset(X86CPU *cpu);
2422 
2423 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env);
2424 
2425 /* cpu.c other functions (cpuid) */
2426 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2427                    uint32_t *eax, uint32_t *ebx,
2428                    uint32_t *ecx, uint32_t *edx);
2429 void cpu_clear_apic_feature(CPUX86State *env);
2430 void cpu_set_apic_feature(CPUX86State *env);
2431 void host_cpuid(uint32_t function, uint32_t count,
2432                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
2433 bool cpu_has_x2apic_feature(CPUX86State *env);
2434 
2435 /* helper.c */
2436 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
2437 void cpu_sync_avx_hflag(CPUX86State *env);
2438 
2439 #ifndef CONFIG_USER_ONLY
x86_asidx_from_attrs(CPUState * cs,MemTxAttrs attrs)2440 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
2441 {
2442     return !!attrs.secure;
2443 }
2444 
cpu_addressspace(CPUState * cs,MemTxAttrs attrs)2445 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
2446 {
2447     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
2448 }
2449 
2450 /*
2451  * load efer and update the corresponding hflags. XXX: do consistency
2452  * checks with cpuid bits?
2453  */
2454 void cpu_load_efer(CPUX86State *env, uint64_t val);
2455 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
2456 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
2457 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
2458 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
2459 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
2460 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
2461 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
2462 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
2463 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
2464 #endif
2465 
2466 /* will be suppressed */
2467 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
2468 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
2469 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
2470 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
2471 
2472 /* hw/pc.c */
2473 uint64_t cpu_get_tsc(CPUX86State *env);
2474 
2475 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
2476 
2477 #ifdef TARGET_X86_64
2478 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
2479 #else
2480 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
2481 #endif
2482 
2483 #define cpu_list x86_cpu_list
2484 
2485 /* MMU modes definitions */
2486 #define MMU_KSMAP64_IDX    0
2487 #define MMU_KSMAP32_IDX    1
2488 #define MMU_USER64_IDX     2
2489 #define MMU_USER32_IDX     3
2490 #define MMU_KNOSMAP64_IDX  4
2491 #define MMU_KNOSMAP32_IDX  5
2492 #define MMU_PHYS_IDX       6
2493 #define MMU_NESTED_IDX     7
2494 
2495 #ifdef CONFIG_USER_ONLY
2496 #ifdef TARGET_X86_64
2497 #define MMU_USER_IDX MMU_USER64_IDX
2498 #else
2499 #define MMU_USER_IDX MMU_USER32_IDX
2500 #endif
2501 #endif
2502 
is_mmu_index_smap(int mmu_index)2503 static inline bool is_mmu_index_smap(int mmu_index)
2504 {
2505     return (mmu_index & ~1) == MMU_KSMAP64_IDX;
2506 }
2507 
is_mmu_index_user(int mmu_index)2508 static inline bool is_mmu_index_user(int mmu_index)
2509 {
2510     return (mmu_index & ~1) == MMU_USER64_IDX;
2511 }
2512 
is_mmu_index_32(int mmu_index)2513 static inline bool is_mmu_index_32(int mmu_index)
2514 {
2515     assert(mmu_index < MMU_PHYS_IDX);
2516     return mmu_index & 1;
2517 }
2518 
2519 int x86_mmu_index_pl(CPUX86State *env, unsigned pl);
2520 int cpu_mmu_index_kernel(CPUX86State *env);
2521 
2522 #define CC_DST  (env->cc_dst)
2523 #define CC_SRC  (env->cc_src)
2524 #define CC_SRC2 (env->cc_src2)
2525 #define CC_OP   (env->cc_op)
2526 
2527 #include "exec/cpu-all.h"
2528 #include "svm.h"
2529 
2530 #if !defined(CONFIG_USER_ONLY)
2531 #include "hw/i386/apic.h"
2532 #endif
2533 
cpu_get_tb_cpu_state(CPUX86State * env,vaddr * pc,uint64_t * cs_base,uint32_t * flags)2534 static inline void cpu_get_tb_cpu_state(CPUX86State *env, vaddr *pc,
2535                                         uint64_t *cs_base, uint32_t *flags)
2536 {
2537     *flags = env->hflags |
2538         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2539     if (env->hflags & HF_CS64_MASK) {
2540         *cs_base = 0;
2541         *pc = env->eip;
2542     } else {
2543         *cs_base = env->segs[R_CS].base;
2544         *pc = (uint32_t)(*cs_base + env->eip);
2545     }
2546 }
2547 
2548 void do_cpu_init(X86CPU *cpu);
2549 
2550 #define MCE_INJECT_BROADCAST    1
2551 #define MCE_INJECT_UNCOND_AO    2
2552 
2553 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2554                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2555                         uint64_t misc, int flags);
2556 
2557 uint32_t cpu_cc_compute_all(CPUX86State *env1);
2558 
cpu_compute_eflags(CPUX86State * env)2559 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2560 {
2561     uint32_t eflags = env->eflags;
2562     if (tcg_enabled()) {
2563         eflags |= cpu_cc_compute_all(env) | (env->df & DF_MASK);
2564     }
2565     return eflags;
2566 }
2567 
cpu_get_mem_attrs(CPUX86State * env)2568 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2569 {
2570     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2571 }
2572 
x86_get_a20_mask(CPUX86State * env)2573 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2574 {
2575     if (env->hflags & HF_SMM_MASK) {
2576         return -1;
2577     } else {
2578         return env->a20_mask;
2579     }
2580 }
2581 
cpu_has_vmx(CPUX86State * env)2582 static inline bool cpu_has_vmx(CPUX86State *env)
2583 {
2584     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2585 }
2586 
cpu_has_svm(CPUX86State * env)2587 static inline bool cpu_has_svm(CPUX86State *env)
2588 {
2589     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2590 }
2591 
2592 /*
2593  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2594  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2595  * VMX operation. This is because CR4.VMXE is one of the bits set
2596  * in MSR_IA32_VMX_CR4_FIXED1.
2597  *
2598  * There is one exception to above statement when vCPU enters SMM mode.
2599  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2600  * may also reset CR4.VMXE during execution in SMM mode.
2601  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2602  * and CR4.VMXE is restored to it's original value of being set.
2603  *
2604  * Therefore, when vCPU is not in SMM mode, we can infer whether
2605  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2606  * know for certain.
2607  */
cpu_vmx_maybe_enabled(CPUX86State * env)2608 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2609 {
2610     return cpu_has_vmx(env) &&
2611            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2612 }
2613 
2614 /* excp_helper.c */
2615 int get_pg_mode(CPUX86State *env);
2616 
2617 /* fpu_helper.c */
2618 
2619 /* Set all non-runtime-variable float_status fields to x86 handling */
2620 void cpu_init_fp_statuses(CPUX86State *env);
2621 void update_fp_status(CPUX86State *env);
2622 void update_mxcsr_status(CPUX86State *env);
2623 void update_mxcsr_from_sse_status(CPUX86State *env);
2624 
cpu_set_mxcsr(CPUX86State * env,uint32_t mxcsr)2625 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2626 {
2627     env->mxcsr = mxcsr;
2628     if (tcg_enabled()) {
2629         update_mxcsr_status(env);
2630     }
2631 }
2632 
cpu_set_fpuc(CPUX86State * env,uint16_t fpuc)2633 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2634 {
2635      env->fpuc = fpuc;
2636      if (tcg_enabled()) {
2637         update_fp_status(env);
2638      }
2639 }
2640 
2641 /* svm_helper.c */
2642 #ifdef CONFIG_USER_ONLY
2643 static inline void
cpu_svm_check_intercept_param(CPUX86State * env1,uint32_t type,uint64_t param,uintptr_t retaddr)2644 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2645                               uint64_t param, uintptr_t retaddr)
2646 { /* no-op */ }
2647 static inline bool
cpu_svm_has_intercept(CPUX86State * env,uint32_t type)2648 cpu_svm_has_intercept(CPUX86State *env, uint32_t type)
2649 { return false; }
2650 #else
2651 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2652                                    uint64_t param, uintptr_t retaddr);
2653 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type);
2654 #endif
2655 
2656 /* apic.c */
2657 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2658 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2659                                    TPRAccess access);
2660 
2661 /* Special values for X86CPUVersion: */
2662 
2663 /* Resolve to latest CPU version */
2664 #define CPU_VERSION_LATEST -1
2665 
2666 /*
2667  * Resolve to version defined by current machine type.
2668  * See x86_cpu_set_default_version()
2669  */
2670 #define CPU_VERSION_AUTO   -2
2671 
2672 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2673 #define CPU_VERSION_LEGACY  0
2674 
2675 typedef int X86CPUVersion;
2676 
2677 /*
2678  * Set default CPU model version for CPU models having
2679  * version == CPU_VERSION_AUTO.
2680  */
2681 void x86_cpu_set_default_version(X86CPUVersion version);
2682 
2683 #ifndef CONFIG_USER_ONLY
2684 
2685 void do_cpu_sipi(X86CPU *cpu);
2686 
2687 #define APIC_DEFAULT_ADDRESS 0xfee00000
2688 #define APIC_SPACE_SIZE      0x100000
2689 
2690 /* cpu-dump.c */
2691 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2692 
2693 #endif
2694 
2695 /* cpu.c */
2696 bool cpu_is_bsp(X86CPU *cpu);
2697 
2698 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen);
2699 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen);
2700 uint32_t xsave_area_size(uint64_t mask, bool compacted);
2701 void x86_update_hflags(CPUX86State* env);
2702 
hyperv_feat_enabled(X86CPU * cpu,int feat)2703 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2704 {
2705     return !!(cpu->hyperv_features & BIT(feat));
2706 }
2707 
cr4_reserved_bits(CPUX86State * env)2708 static inline uint64_t cr4_reserved_bits(CPUX86State *env)
2709 {
2710     uint64_t reserved_bits = CR4_RESERVED_MASK;
2711     if (!env->features[FEAT_XSAVE]) {
2712         reserved_bits |= CR4_OSXSAVE_MASK;
2713     }
2714     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) {
2715         reserved_bits |= CR4_SMEP_MASK;
2716     }
2717     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
2718         reserved_bits |= CR4_SMAP_MASK;
2719     }
2720     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) {
2721         reserved_bits |= CR4_FSGSBASE_MASK;
2722     }
2723     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) {
2724         reserved_bits |= CR4_PKE_MASK;
2725     }
2726     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) {
2727         reserved_bits |= CR4_LA57_MASK;
2728     }
2729     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) {
2730         reserved_bits |= CR4_UMIP_MASK;
2731     }
2732     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) {
2733         reserved_bits |= CR4_PKS_MASK;
2734     }
2735     if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_LAM)) {
2736         reserved_bits |= CR4_LAM_SUP_MASK;
2737     }
2738     if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_FRED)) {
2739         reserved_bits |= CR4_FRED_MASK;
2740     }
2741     return reserved_bits;
2742 }
2743 
ctl_has_irq(CPUX86State * env)2744 static inline bool ctl_has_irq(CPUX86State *env)
2745 {
2746     uint32_t int_prio;
2747     uint32_t tpr;
2748 
2749     int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT;
2750     tpr = env->int_ctl & V_TPR_MASK;
2751 
2752     if (env->int_ctl & V_IGN_TPR_MASK) {
2753         return (env->int_ctl & V_IRQ_MASK);
2754     }
2755 
2756     return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr);
2757 }
2758 
2759 #if defined(TARGET_X86_64) && \
2760     defined(CONFIG_USER_ONLY) && \
2761     defined(CONFIG_LINUX)
2762 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2763 #endif
2764 
2765 #endif /* I386_CPU_H */
2766