xref: /openbmc/qemu/target/i386/cpu.h (revision 8b1d5b3c)
1 /*
2  * i386 virtual CPU header
3  *
4  *  Copyright (c) 2003 Fabrice Bellard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef I386_CPU_H
21 #define I386_CPU_H
22 
23 #include "sysemu/tcg.h"
24 #include "cpu-qom.h"
25 #include "kvm/hyperv-proto.h"
26 #include "exec/cpu-defs.h"
27 #include "qapi/qapi-types-common.h"
28 
29 /* The x86 has a strong memory model with some store-after-load re-ordering */
30 #define TCG_GUEST_DEFAULT_MO      (TCG_MO_ALL & ~TCG_MO_ST_LD)
31 
32 #define KVM_HAVE_MCE_INJECTION 1
33 
34 /* support for self modifying code even if the modified instruction is
35    close to the modifying instruction */
36 #define TARGET_HAS_PRECISE_SMC
37 
38 #ifdef TARGET_X86_64
39 #define I386_ELF_MACHINE  EM_X86_64
40 #define ELF_MACHINE_UNAME "x86_64"
41 #else
42 #define I386_ELF_MACHINE  EM_386
43 #define ELF_MACHINE_UNAME "i686"
44 #endif
45 
46 enum {
47     R_EAX = 0,
48     R_ECX = 1,
49     R_EDX = 2,
50     R_EBX = 3,
51     R_ESP = 4,
52     R_EBP = 5,
53     R_ESI = 6,
54     R_EDI = 7,
55     R_R8 = 8,
56     R_R9 = 9,
57     R_R10 = 10,
58     R_R11 = 11,
59     R_R12 = 12,
60     R_R13 = 13,
61     R_R14 = 14,
62     R_R15 = 15,
63 
64     R_AL = 0,
65     R_CL = 1,
66     R_DL = 2,
67     R_BL = 3,
68     R_AH = 4,
69     R_CH = 5,
70     R_DH = 6,
71     R_BH = 7,
72 };
73 
74 typedef enum X86Seg {
75     R_ES = 0,
76     R_CS = 1,
77     R_SS = 2,
78     R_DS = 3,
79     R_FS = 4,
80     R_GS = 5,
81     R_LDTR = 6,
82     R_TR = 7,
83 } X86Seg;
84 
85 /* segment descriptor fields */
86 #define DESC_G_SHIFT    23
87 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
88 #define DESC_B_SHIFT    22
89 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
90 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
91 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
92 #define DESC_AVL_SHIFT  20
93 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
94 #define DESC_P_SHIFT    15
95 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
96 #define DESC_DPL_SHIFT  13
97 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
98 #define DESC_S_SHIFT    12
99 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
100 #define DESC_TYPE_SHIFT 8
101 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
102 #define DESC_A_MASK     (1 << 8)
103 
104 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
105 #define DESC_C_MASK     (1 << 10) /* code: conforming */
106 #define DESC_R_MASK     (1 << 9)  /* code: readable */
107 
108 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
109 #define DESC_W_MASK     (1 << 9)  /* data: writable */
110 
111 #define DESC_TSS_BUSY_MASK (1 << 9)
112 
113 /* eflags masks */
114 #define CC_C    0x0001
115 #define CC_P    0x0004
116 #define CC_A    0x0010
117 #define CC_Z    0x0040
118 #define CC_S    0x0080
119 #define CC_O    0x0800
120 
121 #define TF_SHIFT   8
122 #define IOPL_SHIFT 12
123 #define VM_SHIFT   17
124 
125 #define TF_MASK                 0x00000100
126 #define IF_MASK                 0x00000200
127 #define DF_MASK                 0x00000400
128 #define IOPL_MASK               0x00003000
129 #define NT_MASK                 0x00004000
130 #define RF_MASK                 0x00010000
131 #define VM_MASK                 0x00020000
132 #define AC_MASK                 0x00040000
133 #define VIF_MASK                0x00080000
134 #define VIP_MASK                0x00100000
135 #define ID_MASK                 0x00200000
136 
137 /* hidden flags - used internally by qemu to represent additional cpu
138    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
139    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
140    positions to ease oring with eflags. */
141 /* current cpl */
142 #define HF_CPL_SHIFT         0
143 /* true if hardware interrupts must be disabled for next instruction */
144 #define HF_INHIBIT_IRQ_SHIFT 3
145 /* 16 or 32 segments */
146 #define HF_CS32_SHIFT        4
147 #define HF_SS32_SHIFT        5
148 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
149 #define HF_ADDSEG_SHIFT      6
150 /* copy of CR0.PE (protected mode) */
151 #define HF_PE_SHIFT          7
152 #define HF_TF_SHIFT          8 /* must be same as eflags */
153 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
154 #define HF_EM_SHIFT         10
155 #define HF_TS_SHIFT         11
156 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
157 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
158 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
159 #define HF_RF_SHIFT         16 /* must be same as eflags */
160 #define HF_VM_SHIFT         17 /* must be same as eflags */
161 #define HF_AC_SHIFT         18 /* must be same as eflags */
162 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
163 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
164 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
165 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
166 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
167 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
168 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
169 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
170 
171 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
172 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
173 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
174 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
175 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
176 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
177 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
178 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
179 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
180 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
181 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
182 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
183 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
184 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
185 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
186 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
187 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
188 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
189 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
190 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
191 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
192 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
193 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
194 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
195 
196 /* hflags2 */
197 
198 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
199 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
200 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
201 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
202 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
203 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
204 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
205 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
206 #define HF2_VGIF_SHIFT           8 /* Can take VIRQ*/
207 
208 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
209 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
210 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
211 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
212 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
213 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
214 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
215 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
216 #define HF2_VGIF_MASK           (1 << HF2_VGIF_SHIFT)
217 
218 #define CR0_PE_SHIFT 0
219 #define CR0_MP_SHIFT 1
220 
221 #define CR0_PE_MASK  (1U << 0)
222 #define CR0_MP_MASK  (1U << 1)
223 #define CR0_EM_MASK  (1U << 2)
224 #define CR0_TS_MASK  (1U << 3)
225 #define CR0_ET_MASK  (1U << 4)
226 #define CR0_NE_MASK  (1U << 5)
227 #define CR0_WP_MASK  (1U << 16)
228 #define CR0_AM_MASK  (1U << 18)
229 #define CR0_NW_MASK  (1U << 29)
230 #define CR0_CD_MASK  (1U << 30)
231 #define CR0_PG_MASK  (1U << 31)
232 
233 #define CR4_VME_MASK  (1U << 0)
234 #define CR4_PVI_MASK  (1U << 1)
235 #define CR4_TSD_MASK  (1U << 2)
236 #define CR4_DE_MASK   (1U << 3)
237 #define CR4_PSE_MASK  (1U << 4)
238 #define CR4_PAE_MASK  (1U << 5)
239 #define CR4_MCE_MASK  (1U << 6)
240 #define CR4_PGE_MASK  (1U << 7)
241 #define CR4_PCE_MASK  (1U << 8)
242 #define CR4_OSFXSR_SHIFT 9
243 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
244 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
245 #define CR4_UMIP_MASK   (1U << 11)
246 #define CR4_LA57_MASK   (1U << 12)
247 #define CR4_VMXE_MASK   (1U << 13)
248 #define CR4_SMXE_MASK   (1U << 14)
249 #define CR4_FSGSBASE_MASK (1U << 16)
250 #define CR4_PCIDE_MASK  (1U << 17)
251 #define CR4_OSXSAVE_MASK (1U << 18)
252 #define CR4_SMEP_MASK   (1U << 20)
253 #define CR4_SMAP_MASK   (1U << 21)
254 #define CR4_PKE_MASK   (1U << 22)
255 #define CR4_PKS_MASK   (1U << 24)
256 
257 #define CR4_RESERVED_MASK \
258 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
259                 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
260                 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
261                 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK |CR4_UMIP_MASK \
262                 | CR4_LA57_MASK \
263                 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
264                 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK))
265 
266 #define DR6_BD          (1 << 13)
267 #define DR6_BS          (1 << 14)
268 #define DR6_BT          (1 << 15)
269 #define DR6_FIXED_1     0xffff0ff0
270 
271 #define DR7_GD          (1 << 13)
272 #define DR7_TYPE_SHIFT  16
273 #define DR7_LEN_SHIFT   18
274 #define DR7_FIXED_1     0x00000400
275 #define DR7_GLOBAL_BP_MASK   0xaa
276 #define DR7_LOCAL_BP_MASK    0x55
277 #define DR7_MAX_BP           4
278 #define DR7_TYPE_BP_INST     0x0
279 #define DR7_TYPE_DATA_WR     0x1
280 #define DR7_TYPE_IO_RW       0x2
281 #define DR7_TYPE_DATA_RW     0x3
282 
283 #define DR_RESERVED_MASK 0xffffffff00000000ULL
284 
285 #define PG_PRESENT_BIT  0
286 #define PG_RW_BIT       1
287 #define PG_USER_BIT     2
288 #define PG_PWT_BIT      3
289 #define PG_PCD_BIT      4
290 #define PG_ACCESSED_BIT 5
291 #define PG_DIRTY_BIT    6
292 #define PG_PSE_BIT      7
293 #define PG_GLOBAL_BIT   8
294 #define PG_PSE_PAT_BIT  12
295 #define PG_PKRU_BIT     59
296 #define PG_NX_BIT       63
297 
298 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
299 #define PG_RW_MASK       (1 << PG_RW_BIT)
300 #define PG_USER_MASK     (1 << PG_USER_BIT)
301 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
302 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
303 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
304 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
305 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
306 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
307 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
308 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
309 #define PG_HI_USER_MASK  0x7ff0000000000000LL
310 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
311 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
312 
313 #define PG_ERROR_W_BIT     1
314 
315 #define PG_ERROR_P_MASK    0x01
316 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
317 #define PG_ERROR_U_MASK    0x04
318 #define PG_ERROR_RSVD_MASK 0x08
319 #define PG_ERROR_I_D_MASK  0x10
320 #define PG_ERROR_PK_MASK   0x20
321 
322 #define PG_MODE_PAE      (1 << 0)
323 #define PG_MODE_LMA      (1 << 1)
324 #define PG_MODE_NXE      (1 << 2)
325 #define PG_MODE_PSE      (1 << 3)
326 #define PG_MODE_LA57     (1 << 4)
327 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15)
328 
329 /* Bits of CR4 that do not affect the NPT page format.  */
330 #define PG_MODE_WP       (1 << 16)
331 #define PG_MODE_PKE      (1 << 17)
332 #define PG_MODE_PKS      (1 << 18)
333 #define PG_MODE_SMEP     (1 << 19)
334 
335 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
336 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
337 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
338 
339 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
340 #define MCE_BANKS_DEF   10
341 
342 #define MCG_CAP_BANKS_MASK 0xff
343 
344 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
345 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
346 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
347 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
348 
349 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
350 
351 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
352 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
353 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
354 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
355 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
356 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
357 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
358 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
359 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
360 
361 /* MISC register defines */
362 #define MCM_ADDR_SEGOFF  0      /* segment offset */
363 #define MCM_ADDR_LINEAR  1      /* linear address */
364 #define MCM_ADDR_PHYS    2      /* physical address */
365 #define MCM_ADDR_MEM     3      /* memory address */
366 #define MCM_ADDR_GENERIC 7      /* generic */
367 
368 #define MSR_IA32_TSC                    0x10
369 #define MSR_IA32_APICBASE               0x1b
370 #define MSR_IA32_APICBASE_BSP           (1<<8)
371 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
372 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
373 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
374 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
375 #define MSR_TSC_ADJUST                  0x0000003b
376 #define MSR_IA32_SPEC_CTRL              0x48
377 #define MSR_VIRT_SSBD                   0xc001011f
378 #define MSR_IA32_PRED_CMD               0x49
379 #define MSR_IA32_UCODE_REV              0x8b
380 #define MSR_IA32_CORE_CAPABILITY        0xcf
381 
382 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
383 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
384 
385 #define MSR_IA32_PERF_CAPABILITIES      0x345
386 
387 #define MSR_IA32_TSX_CTRL		0x122
388 #define MSR_IA32_TSCDEADLINE            0x6e0
389 #define MSR_IA32_PKRS                   0x6e1
390 
391 #define FEATURE_CONTROL_LOCKED                    (1<<0)
392 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
393 #define FEATURE_CONTROL_LMCE                      (1<<20)
394 
395 #define MSR_P6_PERFCTR0                 0xc1
396 
397 #define MSR_IA32_SMBASE                 0x9e
398 #define MSR_SMI_COUNT                   0x34
399 #define MSR_CORE_THREAD_COUNT           0x35
400 #define MSR_MTRRcap                     0xfe
401 #define MSR_MTRRcap_VCNT                8
402 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
403 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
404 
405 #define MSR_IA32_SYSENTER_CS            0x174
406 #define MSR_IA32_SYSENTER_ESP           0x175
407 #define MSR_IA32_SYSENTER_EIP           0x176
408 
409 #define MSR_MCG_CAP                     0x179
410 #define MSR_MCG_STATUS                  0x17a
411 #define MSR_MCG_CTL                     0x17b
412 #define MSR_MCG_EXT_CTL                 0x4d0
413 
414 #define MSR_P6_EVNTSEL0                 0x186
415 
416 #define MSR_IA32_PERF_STATUS            0x198
417 
418 #define MSR_IA32_MISC_ENABLE            0x1a0
419 /* Indicates good rep/movs microcode on some processors: */
420 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
421 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
422 
423 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
424 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
425 
426 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
427 
428 #define MSR_MTRRfix64K_00000            0x250
429 #define MSR_MTRRfix16K_80000            0x258
430 #define MSR_MTRRfix16K_A0000            0x259
431 #define MSR_MTRRfix4K_C0000             0x268
432 #define MSR_MTRRfix4K_C8000             0x269
433 #define MSR_MTRRfix4K_D0000             0x26a
434 #define MSR_MTRRfix4K_D8000             0x26b
435 #define MSR_MTRRfix4K_E0000             0x26c
436 #define MSR_MTRRfix4K_E8000             0x26d
437 #define MSR_MTRRfix4K_F0000             0x26e
438 #define MSR_MTRRfix4K_F8000             0x26f
439 
440 #define MSR_PAT                         0x277
441 
442 #define MSR_MTRRdefType                 0x2ff
443 
444 #define MSR_CORE_PERF_FIXED_CTR0        0x309
445 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
446 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
447 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
448 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
449 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
450 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
451 
452 #define MSR_MC0_CTL                     0x400
453 #define MSR_MC0_STATUS                  0x401
454 #define MSR_MC0_ADDR                    0x402
455 #define MSR_MC0_MISC                    0x403
456 
457 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
458 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
459 #define MSR_IA32_RTIT_CTL               0x570
460 #define MSR_IA32_RTIT_STATUS            0x571
461 #define MSR_IA32_RTIT_CR3_MATCH         0x572
462 #define MSR_IA32_RTIT_ADDR0_A           0x580
463 #define MSR_IA32_RTIT_ADDR0_B           0x581
464 #define MSR_IA32_RTIT_ADDR1_A           0x582
465 #define MSR_IA32_RTIT_ADDR1_B           0x583
466 #define MSR_IA32_RTIT_ADDR2_A           0x584
467 #define MSR_IA32_RTIT_ADDR2_B           0x585
468 #define MSR_IA32_RTIT_ADDR3_A           0x586
469 #define MSR_IA32_RTIT_ADDR3_B           0x587
470 #define MAX_RTIT_ADDRS                  8
471 
472 #define MSR_EFER                        0xc0000080
473 
474 #define MSR_EFER_SCE   (1 << 0)
475 #define MSR_EFER_LME   (1 << 8)
476 #define MSR_EFER_LMA   (1 << 10)
477 #define MSR_EFER_NXE   (1 << 11)
478 #define MSR_EFER_SVME  (1 << 12)
479 #define MSR_EFER_FFXSR (1 << 14)
480 
481 #define MSR_EFER_RESERVED\
482         (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\
483             | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\
484             | MSR_EFER_FFXSR))
485 
486 #define MSR_STAR                        0xc0000081
487 #define MSR_LSTAR                       0xc0000082
488 #define MSR_CSTAR                       0xc0000083
489 #define MSR_FMASK                       0xc0000084
490 #define MSR_FSBASE                      0xc0000100
491 #define MSR_GSBASE                      0xc0000101
492 #define MSR_KERNELGSBASE                0xc0000102
493 #define MSR_TSC_AUX                     0xc0000103
494 
495 #define MSR_VM_HSAVE_PA                 0xc0010117
496 
497 #define MSR_IA32_BNDCFGS                0x00000d90
498 #define MSR_IA32_XSS                    0x00000da0
499 #define MSR_IA32_UMWAIT_CONTROL         0xe1
500 
501 #define MSR_IA32_VMX_BASIC              0x00000480
502 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
503 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
504 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
505 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
506 #define MSR_IA32_VMX_MISC               0x00000485
507 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
508 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
509 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
510 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
511 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
512 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
513 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
514 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
515 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
516 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
517 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
518 #define MSR_IA32_VMX_VMFUNC             0x00000491
519 
520 #define XSTATE_FP_BIT                   0
521 #define XSTATE_SSE_BIT                  1
522 #define XSTATE_YMM_BIT                  2
523 #define XSTATE_BNDREGS_BIT              3
524 #define XSTATE_BNDCSR_BIT               4
525 #define XSTATE_OPMASK_BIT               5
526 #define XSTATE_ZMM_Hi256_BIT            6
527 #define XSTATE_Hi16_ZMM_BIT             7
528 #define XSTATE_PKRU_BIT                 9
529 
530 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
531 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
532 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
533 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
534 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
535 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
536 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
537 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
538 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
539 
540 /* CPUID feature words */
541 typedef enum FeatureWord {
542     FEAT_1_EDX,         /* CPUID[1].EDX */
543     FEAT_1_ECX,         /* CPUID[1].ECX */
544     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
545     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
546     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
547     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
548     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
549     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
550     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
551     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
552     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
553     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
554     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
555     FEAT_SVM,           /* CPUID[8000_000A].EDX */
556     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
557     FEAT_6_EAX,         /* CPUID[6].EAX */
558     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
559     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
560     FEAT_ARCH_CAPABILITIES,
561     FEAT_CORE_CAPABILITY,
562     FEAT_PERF_CAPABILITIES,
563     FEAT_VMX_PROCBASED_CTLS,
564     FEAT_VMX_SECONDARY_CTLS,
565     FEAT_VMX_PINBASED_CTLS,
566     FEAT_VMX_EXIT_CTLS,
567     FEAT_VMX_ENTRY_CTLS,
568     FEAT_VMX_MISC,
569     FEAT_VMX_EPT_VPID_CAPS,
570     FEAT_VMX_BASIC,
571     FEAT_VMX_VMFUNC,
572     FEAT_14_0_ECX,
573     FEATURE_WORDS,
574 } FeatureWord;
575 
576 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
577 
578 /* cpuid_features bits */
579 #define CPUID_FP87 (1U << 0)
580 #define CPUID_VME  (1U << 1)
581 #define CPUID_DE   (1U << 2)
582 #define CPUID_PSE  (1U << 3)
583 #define CPUID_TSC  (1U << 4)
584 #define CPUID_MSR  (1U << 5)
585 #define CPUID_PAE  (1U << 6)
586 #define CPUID_MCE  (1U << 7)
587 #define CPUID_CX8  (1U << 8)
588 #define CPUID_APIC (1U << 9)
589 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
590 #define CPUID_MTRR (1U << 12)
591 #define CPUID_PGE  (1U << 13)
592 #define CPUID_MCA  (1U << 14)
593 #define CPUID_CMOV (1U << 15)
594 #define CPUID_PAT  (1U << 16)
595 #define CPUID_PSE36   (1U << 17)
596 #define CPUID_PN   (1U << 18)
597 #define CPUID_CLFLUSH (1U << 19)
598 #define CPUID_DTS (1U << 21)
599 #define CPUID_ACPI (1U << 22)
600 #define CPUID_MMX  (1U << 23)
601 #define CPUID_FXSR (1U << 24)
602 #define CPUID_SSE  (1U << 25)
603 #define CPUID_SSE2 (1U << 26)
604 #define CPUID_SS (1U << 27)
605 #define CPUID_HT (1U << 28)
606 #define CPUID_TM (1U << 29)
607 #define CPUID_IA64 (1U << 30)
608 #define CPUID_PBE (1U << 31)
609 
610 #define CPUID_EXT_SSE3     (1U << 0)
611 #define CPUID_EXT_PCLMULQDQ (1U << 1)
612 #define CPUID_EXT_DTES64   (1U << 2)
613 #define CPUID_EXT_MONITOR  (1U << 3)
614 #define CPUID_EXT_DSCPL    (1U << 4)
615 #define CPUID_EXT_VMX      (1U << 5)
616 #define CPUID_EXT_SMX      (1U << 6)
617 #define CPUID_EXT_EST      (1U << 7)
618 #define CPUID_EXT_TM2      (1U << 8)
619 #define CPUID_EXT_SSSE3    (1U << 9)
620 #define CPUID_EXT_CID      (1U << 10)
621 #define CPUID_EXT_FMA      (1U << 12)
622 #define CPUID_EXT_CX16     (1U << 13)
623 #define CPUID_EXT_XTPR     (1U << 14)
624 #define CPUID_EXT_PDCM     (1U << 15)
625 #define CPUID_EXT_PCID     (1U << 17)
626 #define CPUID_EXT_DCA      (1U << 18)
627 #define CPUID_EXT_SSE41    (1U << 19)
628 #define CPUID_EXT_SSE42    (1U << 20)
629 #define CPUID_EXT_X2APIC   (1U << 21)
630 #define CPUID_EXT_MOVBE    (1U << 22)
631 #define CPUID_EXT_POPCNT   (1U << 23)
632 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
633 #define CPUID_EXT_AES      (1U << 25)
634 #define CPUID_EXT_XSAVE    (1U << 26)
635 #define CPUID_EXT_OSXSAVE  (1U << 27)
636 #define CPUID_EXT_AVX      (1U << 28)
637 #define CPUID_EXT_F16C     (1U << 29)
638 #define CPUID_EXT_RDRAND   (1U << 30)
639 #define CPUID_EXT_HYPERVISOR  (1U << 31)
640 
641 #define CPUID_EXT2_FPU     (1U << 0)
642 #define CPUID_EXT2_VME     (1U << 1)
643 #define CPUID_EXT2_DE      (1U << 2)
644 #define CPUID_EXT2_PSE     (1U << 3)
645 #define CPUID_EXT2_TSC     (1U << 4)
646 #define CPUID_EXT2_MSR     (1U << 5)
647 #define CPUID_EXT2_PAE     (1U << 6)
648 #define CPUID_EXT2_MCE     (1U << 7)
649 #define CPUID_EXT2_CX8     (1U << 8)
650 #define CPUID_EXT2_APIC    (1U << 9)
651 #define CPUID_EXT2_SYSCALL (1U << 11)
652 #define CPUID_EXT2_MTRR    (1U << 12)
653 #define CPUID_EXT2_PGE     (1U << 13)
654 #define CPUID_EXT2_MCA     (1U << 14)
655 #define CPUID_EXT2_CMOV    (1U << 15)
656 #define CPUID_EXT2_PAT     (1U << 16)
657 #define CPUID_EXT2_PSE36   (1U << 17)
658 #define CPUID_EXT2_MP      (1U << 19)
659 #define CPUID_EXT2_NX      (1U << 20)
660 #define CPUID_EXT2_MMXEXT  (1U << 22)
661 #define CPUID_EXT2_MMX     (1U << 23)
662 #define CPUID_EXT2_FXSR    (1U << 24)
663 #define CPUID_EXT2_FFXSR   (1U << 25)
664 #define CPUID_EXT2_PDPE1GB (1U << 26)
665 #define CPUID_EXT2_RDTSCP  (1U << 27)
666 #define CPUID_EXT2_LM      (1U << 29)
667 #define CPUID_EXT2_3DNOWEXT (1U << 30)
668 #define CPUID_EXT2_3DNOW   (1U << 31)
669 
670 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
671 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
672                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
673                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
674                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
675                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
676                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
677                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
678                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
679                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
680 
681 #define CPUID_EXT3_LAHF_LM (1U << 0)
682 #define CPUID_EXT3_CMP_LEG (1U << 1)
683 #define CPUID_EXT3_SVM     (1U << 2)
684 #define CPUID_EXT3_EXTAPIC (1U << 3)
685 #define CPUID_EXT3_CR8LEG  (1U << 4)
686 #define CPUID_EXT3_ABM     (1U << 5)
687 #define CPUID_EXT3_SSE4A   (1U << 6)
688 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
689 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
690 #define CPUID_EXT3_OSVW    (1U << 9)
691 #define CPUID_EXT3_IBS     (1U << 10)
692 #define CPUID_EXT3_XOP     (1U << 11)
693 #define CPUID_EXT3_SKINIT  (1U << 12)
694 #define CPUID_EXT3_WDT     (1U << 13)
695 #define CPUID_EXT3_LWP     (1U << 15)
696 #define CPUID_EXT3_FMA4    (1U << 16)
697 #define CPUID_EXT3_TCE     (1U << 17)
698 #define CPUID_EXT3_NODEID  (1U << 19)
699 #define CPUID_EXT3_TBM     (1U << 21)
700 #define CPUID_EXT3_TOPOEXT (1U << 22)
701 #define CPUID_EXT3_PERFCORE (1U << 23)
702 #define CPUID_EXT3_PERFNB  (1U << 24)
703 
704 #define CPUID_SVM_NPT             (1U << 0)
705 #define CPUID_SVM_LBRV            (1U << 1)
706 #define CPUID_SVM_SVMLOCK         (1U << 2)
707 #define CPUID_SVM_NRIPSAVE        (1U << 3)
708 #define CPUID_SVM_TSCSCALE        (1U << 4)
709 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
710 #define CPUID_SVM_FLUSHASID       (1U << 6)
711 #define CPUID_SVM_DECODEASSIST    (1U << 7)
712 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
713 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
714 #define CPUID_SVM_AVIC            (1U << 13)
715 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
716 #define CPUID_SVM_VGIF            (1U << 16)
717 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
718 
719 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
720 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
721 /* 1st Group of Advanced Bit Manipulation Extensions */
722 #define CPUID_7_0_EBX_BMI1              (1U << 3)
723 /* Hardware Lock Elision */
724 #define CPUID_7_0_EBX_HLE               (1U << 4)
725 /* Intel Advanced Vector Extensions 2 */
726 #define CPUID_7_0_EBX_AVX2              (1U << 5)
727 /* Supervisor-mode Execution Prevention */
728 #define CPUID_7_0_EBX_SMEP              (1U << 7)
729 /* 2nd Group of Advanced Bit Manipulation Extensions */
730 #define CPUID_7_0_EBX_BMI2              (1U << 8)
731 /* Enhanced REP MOVSB/STOSB */
732 #define CPUID_7_0_EBX_ERMS              (1U << 9)
733 /* Invalidate Process-Context Identifier */
734 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
735 /* Restricted Transactional Memory */
736 #define CPUID_7_0_EBX_RTM               (1U << 11)
737 /* Memory Protection Extension */
738 #define CPUID_7_0_EBX_MPX               (1U << 14)
739 /* AVX-512 Foundation */
740 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
741 /* AVX-512 Doubleword & Quadword Instruction */
742 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
743 /* Read Random SEED */
744 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
745 /* ADCX and ADOX instructions */
746 #define CPUID_7_0_EBX_ADX               (1U << 19)
747 /* Supervisor Mode Access Prevention */
748 #define CPUID_7_0_EBX_SMAP              (1U << 20)
749 /* AVX-512 Integer Fused Multiply Add */
750 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
751 /* Persistent Commit */
752 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
753 /* Flush a Cache Line Optimized */
754 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
755 /* Cache Line Write Back */
756 #define CPUID_7_0_EBX_CLWB              (1U << 24)
757 /* Intel Processor Trace */
758 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
759 /* AVX-512 Prefetch */
760 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
761 /* AVX-512 Exponential and Reciprocal */
762 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
763 /* AVX-512 Conflict Detection */
764 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
765 /* SHA1/SHA256 Instruction Extensions */
766 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
767 /* AVX-512 Byte and Word Instructions */
768 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
769 /* AVX-512 Vector Length Extensions */
770 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
771 
772 /* AVX-512 Vector Byte Manipulation Instruction */
773 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
774 /* User-Mode Instruction Prevention */
775 #define CPUID_7_0_ECX_UMIP              (1U << 2)
776 /* Protection Keys for User-mode Pages */
777 #define CPUID_7_0_ECX_PKU               (1U << 3)
778 /* OS Enable Protection Keys */
779 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
780 /* UMONITOR/UMWAIT/TPAUSE Instructions */
781 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
782 /* Additional AVX-512 Vector Byte Manipulation Instruction */
783 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
784 /* Galois Field New Instructions */
785 #define CPUID_7_0_ECX_GFNI              (1U << 8)
786 /* Vector AES Instructions */
787 #define CPUID_7_0_ECX_VAES              (1U << 9)
788 /* Carry-Less Multiplication Quadword */
789 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
790 /* Vector Neural Network Instructions */
791 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
792 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
793 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
794 /* POPCNT for vectors of DW/QW */
795 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
796 /* 5-level Page Tables */
797 #define CPUID_7_0_ECX_LA57              (1U << 16)
798 /* Read Processor ID */
799 #define CPUID_7_0_ECX_RDPID             (1U << 22)
800 /* Bus Lock Debug Exception */
801 #define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
802 /* Cache Line Demote Instruction */
803 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
804 /* Move Doubleword as Direct Store Instruction */
805 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
806 /* Move 64 Bytes as Direct Store Instruction */
807 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
808 /* Protection Keys for Supervisor-mode Pages */
809 #define CPUID_7_0_ECX_PKS               (1U << 31)
810 
811 /* AVX512 Neural Network Instructions */
812 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
813 /* AVX512 Multiply Accumulation Single Precision */
814 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
815 /* Fast Short Rep Mov */
816 #define CPUID_7_0_EDX_FSRM              (1U << 4)
817 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
818 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
819 /* SERIALIZE instruction */
820 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
821 /* TSX Suspend Load Address Tracking instruction */
822 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
823 /* AVX512_FP16 instruction */
824 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
825 /* Speculation Control */
826 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
827 /* Single Thread Indirect Branch Predictors */
828 #define CPUID_7_0_EDX_STIBP             (1U << 27)
829 /* Arch Capabilities */
830 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
831 /* Core Capability */
832 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
833 /* Speculative Store Bypass Disable */
834 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
835 
836 /* AVX VNNI Instruction */
837 #define CPUID_7_1_EAX_AVX_VNNI          (1U << 4)
838 /* AVX512 BFloat16 Instruction */
839 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
840 
841 /* Packets which contain IP payload have LIP values */
842 #define CPUID_14_0_ECX_LIP              (1U << 31)
843 
844 /* CLZERO instruction */
845 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
846 /* Always save/restore FP error pointers */
847 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
848 /* Write back and do not invalidate cache */
849 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
850 /* Indirect Branch Prediction Barrier */
851 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
852 /* Indirect Branch Restricted Speculation */
853 #define CPUID_8000_0008_EBX_IBRS        (1U << 14)
854 /* Single Thread Indirect Branch Predictors */
855 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
856 /* Speculative Store Bypass Disable */
857 #define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
858 
859 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
860 #define CPUID_XSAVE_XSAVEC     (1U << 1)
861 #define CPUID_XSAVE_XGETBV1    (1U << 2)
862 #define CPUID_XSAVE_XSAVES     (1U << 3)
863 
864 #define CPUID_6_EAX_ARAT       (1U << 2)
865 
866 /* CPUID[0x80000007].EDX flags: */
867 #define CPUID_APM_INVTSC       (1U << 8)
868 
869 #define CPUID_VENDOR_SZ      12
870 
871 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
872 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
873 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
874 #define CPUID_VENDOR_INTEL "GenuineIntel"
875 
876 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
877 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
878 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
879 #define CPUID_VENDOR_AMD   "AuthenticAMD"
880 
881 #define CPUID_VENDOR_VIA   "CentaurHauls"
882 
883 #define CPUID_VENDOR_HYGON    "HygonGenuine"
884 
885 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
886                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
887                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
888 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
889                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
890                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
891 
892 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
893 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
894 
895 /* CPUID[0xB].ECX level types */
896 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
897 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
898 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
899 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
900 
901 /* MSR Feature Bits */
902 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
903 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
904 #define MSR_ARCH_CAP_RSBA               (1U << 2)
905 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
906 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
907 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
908 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
909 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
910 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
911 
912 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
913 
914 /* VMX MSR features */
915 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
916 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
917 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
918 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
919 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
920 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
921 
922 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
923 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
924 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
925 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
926 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
927 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
928 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
929 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
930 
931 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
932 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
933 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
934 #define MSR_VMX_EPT_UC                               (1ULL << 8)
935 #define MSR_VMX_EPT_WB                               (1ULL << 14)
936 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
937 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
938 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
939 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
940 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
941 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
942 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
943 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
944 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
945 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
946 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
947 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
948 
949 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
950 
951 
952 /* VMX controls */
953 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
954 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
955 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
956 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
957 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
958 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
959 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
960 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
961 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
962 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
963 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
964 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
965 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
966 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
967 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
968 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
969 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
970 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
971 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
972 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
973 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
974 
975 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
976 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
977 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
978 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
979 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
980 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
981 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
982 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
983 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
984 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
985 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
986 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
987 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
988 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
989 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
990 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
991 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
992 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
993 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
994 #define VMX_SECONDARY_EXEC_TSC_SCALING              0x02000000
995 
996 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
997 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
998 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
999 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
1000 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
1001 
1002 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
1003 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
1004 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
1005 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
1006 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
1007 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
1008 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
1009 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
1010 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
1011 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
1012 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
1013 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
1014 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
1015 
1016 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
1017 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
1018 #define VMX_VM_ENTRY_SMM                            0x00000400
1019 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
1020 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
1021 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
1022 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
1023 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
1024 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
1025 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
1026 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
1027 
1028 /* Supported Hyper-V Enlightenments */
1029 #define HYPERV_FEAT_RELAXED             0
1030 #define HYPERV_FEAT_VAPIC               1
1031 #define HYPERV_FEAT_TIME                2
1032 #define HYPERV_FEAT_CRASH               3
1033 #define HYPERV_FEAT_RESET               4
1034 #define HYPERV_FEAT_VPINDEX             5
1035 #define HYPERV_FEAT_RUNTIME             6
1036 #define HYPERV_FEAT_SYNIC               7
1037 #define HYPERV_FEAT_STIMER              8
1038 #define HYPERV_FEAT_FREQUENCIES         9
1039 #define HYPERV_FEAT_REENLIGHTENMENT     10
1040 #define HYPERV_FEAT_TLBFLUSH            11
1041 #define HYPERV_FEAT_EVMCS               12
1042 #define HYPERV_FEAT_IPI                 13
1043 #define HYPERV_FEAT_STIMER_DIRECT       14
1044 
1045 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1046 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1047 #endif
1048 
1049 #define EXCP00_DIVZ	0
1050 #define EXCP01_DB	1
1051 #define EXCP02_NMI	2
1052 #define EXCP03_INT3	3
1053 #define EXCP04_INTO	4
1054 #define EXCP05_BOUND	5
1055 #define EXCP06_ILLOP	6
1056 #define EXCP07_PREX	7
1057 #define EXCP08_DBLE	8
1058 #define EXCP09_XERR	9
1059 #define EXCP0A_TSS	10
1060 #define EXCP0B_NOSEG	11
1061 #define EXCP0C_STACK	12
1062 #define EXCP0D_GPF	13
1063 #define EXCP0E_PAGE	14
1064 #define EXCP10_COPR	16
1065 #define EXCP11_ALGN	17
1066 #define EXCP12_MCHK	18
1067 
1068 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1069 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1070 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1071 
1072 /* i386-specific interrupt pending bits.  */
1073 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1074 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1075 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1076 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1077 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1078 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1079 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1080 
1081 /* Use a clearer name for this.  */
1082 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1083 
1084 /* Instead of computing the condition codes after each x86 instruction,
1085  * QEMU just stores one operand (called CC_SRC), the result
1086  * (called CC_DST) and the type of operation (called CC_OP). When the
1087  * condition codes are needed, the condition codes can be calculated
1088  * using this information. Condition codes are not generated if they
1089  * are only needed for conditional branches.
1090  */
1091 typedef enum {
1092     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1093     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1094 
1095     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1096     CC_OP_MULW,
1097     CC_OP_MULL,
1098     CC_OP_MULQ,
1099 
1100     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1101     CC_OP_ADDW,
1102     CC_OP_ADDL,
1103     CC_OP_ADDQ,
1104 
1105     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1106     CC_OP_ADCW,
1107     CC_OP_ADCL,
1108     CC_OP_ADCQ,
1109 
1110     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1111     CC_OP_SUBW,
1112     CC_OP_SUBL,
1113     CC_OP_SUBQ,
1114 
1115     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1116     CC_OP_SBBW,
1117     CC_OP_SBBL,
1118     CC_OP_SBBQ,
1119 
1120     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1121     CC_OP_LOGICW,
1122     CC_OP_LOGICL,
1123     CC_OP_LOGICQ,
1124 
1125     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1126     CC_OP_INCW,
1127     CC_OP_INCL,
1128     CC_OP_INCQ,
1129 
1130     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1131     CC_OP_DECW,
1132     CC_OP_DECL,
1133     CC_OP_DECQ,
1134 
1135     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1136     CC_OP_SHLW,
1137     CC_OP_SHLL,
1138     CC_OP_SHLQ,
1139 
1140     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1141     CC_OP_SARW,
1142     CC_OP_SARL,
1143     CC_OP_SARQ,
1144 
1145     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1146     CC_OP_BMILGW,
1147     CC_OP_BMILGL,
1148     CC_OP_BMILGQ,
1149 
1150     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1151     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1152     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1153 
1154     CC_OP_CLR, /* Z set, all other flags clear.  */
1155     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1156 
1157     CC_OP_NB,
1158 } CCOp;
1159 
1160 typedef struct SegmentCache {
1161     uint32_t selector;
1162     target_ulong base;
1163     uint32_t limit;
1164     uint32_t flags;
1165 } SegmentCache;
1166 
1167 #define MMREG_UNION(n, bits)        \
1168     union n {                       \
1169         uint8_t  _b_##n[(bits)/8];  \
1170         uint16_t _w_##n[(bits)/16]; \
1171         uint32_t _l_##n[(bits)/32]; \
1172         uint64_t _q_##n[(bits)/64]; \
1173         float32  _s_##n[(bits)/32]; \
1174         float64  _d_##n[(bits)/64]; \
1175     }
1176 
1177 typedef union {
1178     uint8_t _b[16];
1179     uint16_t _w[8];
1180     uint32_t _l[4];
1181     uint64_t _q[2];
1182 } XMMReg;
1183 
1184 typedef union {
1185     uint8_t _b[32];
1186     uint16_t _w[16];
1187     uint32_t _l[8];
1188     uint64_t _q[4];
1189 } YMMReg;
1190 
1191 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1192 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1193 
1194 typedef struct BNDReg {
1195     uint64_t lb;
1196     uint64_t ub;
1197 } BNDReg;
1198 
1199 typedef struct BNDCSReg {
1200     uint64_t cfgu;
1201     uint64_t sts;
1202 } BNDCSReg;
1203 
1204 #define BNDCFG_ENABLE       1ULL
1205 #define BNDCFG_BNDPRESERVE  2ULL
1206 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1207 
1208 #ifdef HOST_WORDS_BIGENDIAN
1209 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1210 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1211 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1212 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1213 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1214 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1215 
1216 #define MMX_B(n) _b_MMXReg[7 - (n)]
1217 #define MMX_W(n) _w_MMXReg[3 - (n)]
1218 #define MMX_L(n) _l_MMXReg[1 - (n)]
1219 #define MMX_S(n) _s_MMXReg[1 - (n)]
1220 #else
1221 #define ZMM_B(n) _b_ZMMReg[n]
1222 #define ZMM_W(n) _w_ZMMReg[n]
1223 #define ZMM_L(n) _l_ZMMReg[n]
1224 #define ZMM_S(n) _s_ZMMReg[n]
1225 #define ZMM_Q(n) _q_ZMMReg[n]
1226 #define ZMM_D(n) _d_ZMMReg[n]
1227 
1228 #define MMX_B(n) _b_MMXReg[n]
1229 #define MMX_W(n) _w_MMXReg[n]
1230 #define MMX_L(n) _l_MMXReg[n]
1231 #define MMX_S(n) _s_MMXReg[n]
1232 #endif
1233 #define MMX_Q(n) _q_MMXReg[n]
1234 
1235 typedef union {
1236     floatx80 d __attribute__((aligned(16)));
1237     MMXReg mmx;
1238 } FPReg;
1239 
1240 typedef struct {
1241     uint64_t base;
1242     uint64_t mask;
1243 } MTRRVar;
1244 
1245 #define CPU_NB_REGS64 16
1246 #define CPU_NB_REGS32 8
1247 
1248 #ifdef TARGET_X86_64
1249 #define CPU_NB_REGS CPU_NB_REGS64
1250 #else
1251 #define CPU_NB_REGS CPU_NB_REGS32
1252 #endif
1253 
1254 #define MAX_FIXED_COUNTERS 3
1255 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1256 
1257 #define TARGET_INSN_START_EXTRA_WORDS 1
1258 
1259 #define NB_OPMASK_REGS 8
1260 
1261 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1262  * that APIC ID hasn't been set yet
1263  */
1264 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1265 
1266 typedef union X86LegacyXSaveArea {
1267     struct {
1268         uint16_t fcw;
1269         uint16_t fsw;
1270         uint8_t ftw;
1271         uint8_t reserved;
1272         uint16_t fpop;
1273         uint64_t fpip;
1274         uint64_t fpdp;
1275         uint32_t mxcsr;
1276         uint32_t mxcsr_mask;
1277         FPReg fpregs[8];
1278         uint8_t xmm_regs[16][16];
1279     };
1280     uint8_t data[512];
1281 } X86LegacyXSaveArea;
1282 
1283 typedef struct X86XSaveHeader {
1284     uint64_t xstate_bv;
1285     uint64_t xcomp_bv;
1286     uint64_t reserve0;
1287     uint8_t reserved[40];
1288 } X86XSaveHeader;
1289 
1290 /* Ext. save area 2: AVX State */
1291 typedef struct XSaveAVX {
1292     uint8_t ymmh[16][16];
1293 } XSaveAVX;
1294 
1295 /* Ext. save area 3: BNDREG */
1296 typedef struct XSaveBNDREG {
1297     BNDReg bnd_regs[4];
1298 } XSaveBNDREG;
1299 
1300 /* Ext. save area 4: BNDCSR */
1301 typedef union XSaveBNDCSR {
1302     BNDCSReg bndcsr;
1303     uint8_t data[64];
1304 } XSaveBNDCSR;
1305 
1306 /* Ext. save area 5: Opmask */
1307 typedef struct XSaveOpmask {
1308     uint64_t opmask_regs[NB_OPMASK_REGS];
1309 } XSaveOpmask;
1310 
1311 /* Ext. save area 6: ZMM_Hi256 */
1312 typedef struct XSaveZMM_Hi256 {
1313     uint8_t zmm_hi256[16][32];
1314 } XSaveZMM_Hi256;
1315 
1316 /* Ext. save area 7: Hi16_ZMM */
1317 typedef struct XSaveHi16_ZMM {
1318     uint8_t hi16_zmm[16][64];
1319 } XSaveHi16_ZMM;
1320 
1321 /* Ext. save area 9: PKRU state */
1322 typedef struct XSavePKRU {
1323     uint32_t pkru;
1324     uint32_t padding;
1325 } XSavePKRU;
1326 
1327 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1328 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1329 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1330 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1331 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1332 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1333 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1334 
1335 typedef struct ExtSaveArea {
1336     uint32_t feature, bits;
1337     uint32_t offset, size;
1338 } ExtSaveArea;
1339 
1340 #define XSAVE_STATE_AREA_COUNT (XSTATE_PKRU_BIT + 1)
1341 
1342 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
1343 
1344 typedef enum TPRAccess {
1345     TPR_ACCESS_READ,
1346     TPR_ACCESS_WRITE,
1347 } TPRAccess;
1348 
1349 /* Cache information data structures: */
1350 
1351 enum CacheType {
1352     DATA_CACHE,
1353     INSTRUCTION_CACHE,
1354     UNIFIED_CACHE
1355 };
1356 
1357 typedef struct CPUCacheInfo {
1358     enum CacheType type;
1359     uint8_t level;
1360     /* Size in bytes */
1361     uint32_t size;
1362     /* Line size, in bytes */
1363     uint16_t line_size;
1364     /*
1365      * Associativity.
1366      * Note: representation of fully-associative caches is not implemented
1367      */
1368     uint8_t associativity;
1369     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1370     uint8_t partitions;
1371     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1372     uint32_t sets;
1373     /*
1374      * Lines per tag.
1375      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1376      * (Is this synonym to @partitions?)
1377      */
1378     uint8_t lines_per_tag;
1379 
1380     /* Self-initializing cache */
1381     bool self_init;
1382     /*
1383      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1384      * non-originating threads sharing this cache.
1385      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1386      */
1387     bool no_invd_sharing;
1388     /*
1389      * Cache is inclusive of lower cache levels.
1390      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1391      */
1392     bool inclusive;
1393     /*
1394      * A complex function is used to index the cache, potentially using all
1395      * address bits.  CPUID[4].EDX[bit 2].
1396      */
1397     bool complex_indexing;
1398 } CPUCacheInfo;
1399 
1400 
1401 typedef struct CPUCaches {
1402         CPUCacheInfo *l1d_cache;
1403         CPUCacheInfo *l1i_cache;
1404         CPUCacheInfo *l2_cache;
1405         CPUCacheInfo *l3_cache;
1406 } CPUCaches;
1407 
1408 typedef struct HVFX86LazyFlags {
1409     target_ulong result;
1410     target_ulong auxbits;
1411 } HVFX86LazyFlags;
1412 
1413 typedef struct CPUX86State {
1414     /* standard registers */
1415     target_ulong regs[CPU_NB_REGS];
1416     target_ulong eip;
1417     target_ulong eflags; /* eflags register. During CPU emulation, CC
1418                         flags and DF are set to zero because they are
1419                         stored elsewhere */
1420 
1421     /* emulator internal eflags handling */
1422     target_ulong cc_dst;
1423     target_ulong cc_src;
1424     target_ulong cc_src2;
1425     uint32_t cc_op;
1426     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1427     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1428                         are known at translation time. */
1429     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1430 
1431     /* segments */
1432     SegmentCache segs[6]; /* selector values */
1433     SegmentCache ldt;
1434     SegmentCache tr;
1435     SegmentCache gdt; /* only base and limit are used */
1436     SegmentCache idt; /* only base and limit are used */
1437 
1438     target_ulong cr[5]; /* NOTE: cr1 is unused */
1439     int32_t a20_mask;
1440 
1441     BNDReg bnd_regs[4];
1442     BNDCSReg bndcs_regs;
1443     uint64_t msr_bndcfgs;
1444     uint64_t efer;
1445 
1446     /* Beginning of state preserved by INIT (dummy marker).  */
1447     struct {} start_init_save;
1448 
1449     /* FPU state */
1450     unsigned int fpstt; /* top of stack index */
1451     uint16_t fpus;
1452     uint16_t fpuc;
1453     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1454     FPReg fpregs[8];
1455     /* KVM-only so far */
1456     uint16_t fpop;
1457     uint16_t fpcs;
1458     uint16_t fpds;
1459     uint64_t fpip;
1460     uint64_t fpdp;
1461 
1462     /* emulator internal variables */
1463     float_status fp_status;
1464     floatx80 ft0;
1465 
1466     float_status mmx_status; /* for 3DNow! float ops */
1467     float_status sse_status;
1468     uint32_t mxcsr;
1469     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1470     ZMMReg xmm_t0;
1471     MMXReg mmx_t0;
1472 
1473     XMMReg ymmh_regs[CPU_NB_REGS];
1474 
1475     uint64_t opmask_regs[NB_OPMASK_REGS];
1476     YMMReg zmmh_regs[CPU_NB_REGS];
1477     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1478 
1479     /* sysenter registers */
1480     uint32_t sysenter_cs;
1481     target_ulong sysenter_esp;
1482     target_ulong sysenter_eip;
1483     uint64_t star;
1484 
1485     uint64_t vm_hsave;
1486 
1487 #ifdef TARGET_X86_64
1488     target_ulong lstar;
1489     target_ulong cstar;
1490     target_ulong fmask;
1491     target_ulong kernelgsbase;
1492 #endif
1493 
1494     uint64_t tsc;
1495     uint64_t tsc_adjust;
1496     uint64_t tsc_deadline;
1497     uint64_t tsc_aux;
1498 
1499     uint64_t xcr0;
1500 
1501     uint64_t mcg_status;
1502     uint64_t msr_ia32_misc_enable;
1503     uint64_t msr_ia32_feature_control;
1504 
1505     uint64_t msr_fixed_ctr_ctrl;
1506     uint64_t msr_global_ctrl;
1507     uint64_t msr_global_status;
1508     uint64_t msr_global_ovf_ctrl;
1509     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1510     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1511     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1512 
1513     uint64_t pat;
1514     uint32_t smbase;
1515     uint64_t msr_smi_count;
1516 
1517     uint32_t pkru;
1518     uint32_t pkrs;
1519     uint32_t tsx_ctrl;
1520 
1521     uint64_t spec_ctrl;
1522     uint64_t virt_ssbd;
1523 
1524     /* End of state preserved by INIT (dummy marker).  */
1525     struct {} end_init_save;
1526 
1527     uint64_t system_time_msr;
1528     uint64_t wall_clock_msr;
1529     uint64_t steal_time_msr;
1530     uint64_t async_pf_en_msr;
1531     uint64_t async_pf_int_msr;
1532     uint64_t pv_eoi_en_msr;
1533     uint64_t poll_control_msr;
1534 
1535     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1536     uint64_t msr_hv_hypercall;
1537     uint64_t msr_hv_guest_os_id;
1538     uint64_t msr_hv_tsc;
1539 
1540     /* Per-VCPU HV MSRs */
1541     uint64_t msr_hv_vapic;
1542     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1543     uint64_t msr_hv_runtime;
1544     uint64_t msr_hv_synic_control;
1545     uint64_t msr_hv_synic_evt_page;
1546     uint64_t msr_hv_synic_msg_page;
1547     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1548     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1549     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1550     uint64_t msr_hv_reenlightenment_control;
1551     uint64_t msr_hv_tsc_emulation_control;
1552     uint64_t msr_hv_tsc_emulation_status;
1553 
1554     uint64_t msr_rtit_ctrl;
1555     uint64_t msr_rtit_status;
1556     uint64_t msr_rtit_output_base;
1557     uint64_t msr_rtit_output_mask;
1558     uint64_t msr_rtit_cr3_match;
1559     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1560 
1561     /* exception/interrupt handling */
1562     int error_code;
1563     int exception_is_int;
1564     target_ulong exception_next_eip;
1565     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1566     union {
1567         struct CPUBreakpoint *cpu_breakpoint[4];
1568         struct CPUWatchpoint *cpu_watchpoint[4];
1569     }; /* break/watchpoints for dr[0..3] */
1570     int old_exception;  /* exception in flight */
1571 
1572     uint64_t vm_vmcb;
1573     uint64_t tsc_offset;
1574     uint64_t intercept;
1575     uint16_t intercept_cr_read;
1576     uint16_t intercept_cr_write;
1577     uint16_t intercept_dr_read;
1578     uint16_t intercept_dr_write;
1579     uint32_t intercept_exceptions;
1580     uint64_t nested_cr3;
1581     uint32_t nested_pg_mode;
1582     uint8_t v_tpr;
1583     uint32_t int_ctl;
1584 
1585     /* KVM states, automatically cleared on reset */
1586     uint8_t nmi_injected;
1587     uint8_t nmi_pending;
1588 
1589     uintptr_t retaddr;
1590 
1591     /* Fields up to this point are cleared by a CPU reset */
1592     struct {} end_reset_fields;
1593 
1594     /* Fields after this point are preserved across CPU reset. */
1595 
1596     /* processor features (e.g. for CPUID insn) */
1597     /* Minimum cpuid leaf 7 value */
1598     uint32_t cpuid_level_func7;
1599     /* Actual cpuid leaf 7 value */
1600     uint32_t cpuid_min_level_func7;
1601     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1602     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1603     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1604     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1605     /* Actual level/xlevel/xlevel2 value: */
1606     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1607     uint32_t cpuid_vendor1;
1608     uint32_t cpuid_vendor2;
1609     uint32_t cpuid_vendor3;
1610     uint32_t cpuid_version;
1611     FeatureWordArray features;
1612     /* Features that were explicitly enabled/disabled */
1613     FeatureWordArray user_features;
1614     uint32_t cpuid_model[12];
1615     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1616      * on each CPUID leaf will be different, because we keep compatibility
1617      * with old QEMU versions.
1618      */
1619     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1620 
1621     /* MTRRs */
1622     uint64_t mtrr_fixed[11];
1623     uint64_t mtrr_deftype;
1624     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1625 
1626     /* For KVM */
1627     uint32_t mp_state;
1628     int32_t exception_nr;
1629     int32_t interrupt_injected;
1630     uint8_t soft_interrupt;
1631     uint8_t exception_pending;
1632     uint8_t exception_injected;
1633     uint8_t has_error_code;
1634     uint8_t exception_has_payload;
1635     uint64_t exception_payload;
1636     uint32_t ins_len;
1637     uint32_t sipi_vector;
1638     bool tsc_valid;
1639     int64_t tsc_khz;
1640     int64_t user_tsc_khz; /* for sanity check only */
1641     uint64_t apic_bus_freq;
1642 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1643     void *xsave_buf;
1644     uint32_t xsave_buf_len;
1645 #endif
1646 #if defined(CONFIG_KVM)
1647     struct kvm_nested_state *nested_state;
1648 #endif
1649 #if defined(CONFIG_HVF)
1650     HVFX86LazyFlags hvf_lflags;
1651     void *hvf_mmio_buf;
1652 #endif
1653 
1654     uint64_t mcg_cap;
1655     uint64_t mcg_ctl;
1656     uint64_t mcg_ext_ctl;
1657     uint64_t mce_banks[MCE_BANKS_DEF*4];
1658     uint64_t xstate_bv;
1659 
1660     /* vmstate */
1661     uint16_t fpus_vmstate;
1662     uint16_t fptag_vmstate;
1663     uint16_t fpregs_format_vmstate;
1664 
1665     uint64_t xss;
1666     uint32_t umwait;
1667 
1668     TPRAccess tpr_access_type;
1669 
1670     unsigned nr_dies;
1671 } CPUX86State;
1672 
1673 struct kvm_msrs;
1674 
1675 /**
1676  * X86CPU:
1677  * @env: #CPUX86State
1678  * @migratable: If set, only migratable flags will be accepted when "enforce"
1679  * mode is used, and only migratable flags will be included in the "host"
1680  * CPU model.
1681  *
1682  * An x86 CPU.
1683  */
1684 struct X86CPU {
1685     /*< private >*/
1686     CPUState parent_obj;
1687     /*< public >*/
1688 
1689     CPUNegativeOffsetState neg;
1690     CPUX86State env;
1691     VMChangeStateEntry *vmsentry;
1692 
1693     uint64_t ucode_rev;
1694 
1695     uint32_t hyperv_spinlock_attempts;
1696     char *hyperv_vendor;
1697     bool hyperv_synic_kvm_only;
1698     uint64_t hyperv_features;
1699     bool hyperv_passthrough;
1700     OnOffAuto hyperv_no_nonarch_cs;
1701     uint32_t hyperv_vendor_id[3];
1702     uint32_t hyperv_interface_id[4];
1703     uint32_t hyperv_version_id[4];
1704     uint32_t hyperv_limits[3];
1705     uint32_t hyperv_nested[4];
1706 
1707     bool check_cpuid;
1708     bool enforce_cpuid;
1709     /*
1710      * Force features to be enabled even if the host doesn't support them.
1711      * This is dangerous and should be done only for testing CPUID
1712      * compatibility.
1713      */
1714     bool force_features;
1715     bool expose_kvm;
1716     bool expose_tcg;
1717     bool migratable;
1718     bool migrate_smi_count;
1719     bool max_features; /* Enable all supported features automatically */
1720     uint32_t apic_id;
1721 
1722     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1723      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1724     bool vmware_cpuid_freq;
1725 
1726     /* if true the CPUID code directly forward host cache leaves to the guest */
1727     bool cache_info_passthrough;
1728 
1729     /* if true the CPUID code directly forwards
1730      * host monitor/mwait leaves to the guest */
1731     struct {
1732         uint32_t eax;
1733         uint32_t ebx;
1734         uint32_t ecx;
1735         uint32_t edx;
1736     } mwait;
1737 
1738     /* Features that were filtered out because of missing host capabilities */
1739     FeatureWordArray filtered_features;
1740 
1741     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1742      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1743      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1744      * capabilities) directly to the guest.
1745      */
1746     bool enable_pmu;
1747 
1748     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1749      * disabled by default to avoid breaking migration between QEMU with
1750      * different LMCE configurations.
1751      */
1752     bool enable_lmce;
1753 
1754     /* Compatibility bits for old machine types.
1755      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1756      * socket share an virtual l3 cache.
1757      */
1758     bool enable_l3_cache;
1759 
1760     /* Compatibility bits for old machine types.
1761      * If true present the old cache topology information
1762      */
1763     bool legacy_cache;
1764 
1765     /* Compatibility bits for old machine types: */
1766     bool enable_cpuid_0xb;
1767 
1768     /* Enable auto level-increase for all CPUID leaves */
1769     bool full_cpuid_auto_level;
1770 
1771     /* Only advertise CPUID leaves defined by the vendor */
1772     bool vendor_cpuid_only;
1773 
1774     /* Enable auto level-increase for Intel Processor Trace leave */
1775     bool intel_pt_auto_level;
1776 
1777     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1778     bool fill_mtrr_mask;
1779 
1780     /* if true override the phys_bits value with a value read from the host */
1781     bool host_phys_bits;
1782 
1783     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1784     uint8_t host_phys_bits_limit;
1785 
1786     /* Stop SMI delivery for migration compatibility with old machines */
1787     bool kvm_no_smi_migration;
1788 
1789     /* Number of physical address bits supported */
1790     uint32_t phys_bits;
1791 
1792     /* in order to simplify APIC support, we leave this pointer to the
1793        user */
1794     struct DeviceState *apic_state;
1795     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1796     Notifier machine_done;
1797 
1798     struct kvm_msrs *kvm_msr_buf;
1799 
1800     int32_t node_id; /* NUMA node this CPU belongs to */
1801     int32_t socket_id;
1802     int32_t die_id;
1803     int32_t core_id;
1804     int32_t thread_id;
1805 
1806     int32_t hv_max_vps;
1807 };
1808 
1809 
1810 #ifndef CONFIG_USER_ONLY
1811 extern const VMStateDescription vmstate_x86_cpu;
1812 #endif
1813 
1814 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1815 
1816 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1817                              int cpuid, void *opaque);
1818 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1819                              int cpuid, void *opaque);
1820 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1821                                  void *opaque);
1822 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1823                                  void *opaque);
1824 
1825 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1826                                 Error **errp);
1827 
1828 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1829 
1830 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1831                                          MemTxAttrs *attrs);
1832 
1833 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1834 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1835 
1836 void x86_cpu_list(void);
1837 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1838 
1839 #ifndef CONFIG_USER_ONLY
1840 int cpu_get_pic_interrupt(CPUX86State *s);
1841 
1842 /* MSDOS compatibility mode FPU exception support */
1843 void x86_register_ferr_irq(qemu_irq irq);
1844 void fpu_check_raise_ferr_irq(CPUX86State *s);
1845 void cpu_set_ignne(void);
1846 void cpu_clear_ignne(void);
1847 #endif
1848 
1849 /* mpx_helper.c */
1850 void cpu_sync_bndcs_hflags(CPUX86State *env);
1851 
1852 /* this function must always be used to load data in the segment
1853    cache: it synchronizes the hflags with the segment cache values */
1854 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1855                                           X86Seg seg_reg, unsigned int selector,
1856                                           target_ulong base,
1857                                           unsigned int limit,
1858                                           unsigned int flags)
1859 {
1860     SegmentCache *sc;
1861     unsigned int new_hflags;
1862 
1863     sc = &env->segs[seg_reg];
1864     sc->selector = selector;
1865     sc->base = base;
1866     sc->limit = limit;
1867     sc->flags = flags;
1868 
1869     /* update the hidden flags */
1870     {
1871         if (seg_reg == R_CS) {
1872 #ifdef TARGET_X86_64
1873             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1874                 /* long mode */
1875                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1876                 env->hflags &= ~(HF_ADDSEG_MASK);
1877             } else
1878 #endif
1879             {
1880                 /* legacy / compatibility case */
1881                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1882                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1883                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1884                     new_hflags;
1885             }
1886         }
1887         if (seg_reg == R_SS) {
1888             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1889 #if HF_CPL_MASK != 3
1890 #error HF_CPL_MASK is hardcoded
1891 #endif
1892             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1893             /* Possibly switch between BNDCFGS and BNDCFGU */
1894             cpu_sync_bndcs_hflags(env);
1895         }
1896         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1897             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1898         if (env->hflags & HF_CS64_MASK) {
1899             /* zero base assumed for DS, ES and SS in long mode */
1900         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1901                    (env->eflags & VM_MASK) ||
1902                    !(env->hflags & HF_CS32_MASK)) {
1903             /* XXX: try to avoid this test. The problem comes from the
1904                fact that is real mode or vm86 mode we only modify the
1905                'base' and 'selector' fields of the segment cache to go
1906                faster. A solution may be to force addseg to one in
1907                translate-i386.c. */
1908             new_hflags |= HF_ADDSEG_MASK;
1909         } else {
1910             new_hflags |= ((env->segs[R_DS].base |
1911                             env->segs[R_ES].base |
1912                             env->segs[R_SS].base) != 0) <<
1913                 HF_ADDSEG_SHIFT;
1914         }
1915         env->hflags = (env->hflags &
1916                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1917     }
1918 }
1919 
1920 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1921                                                uint8_t sipi_vector)
1922 {
1923     CPUState *cs = CPU(cpu);
1924     CPUX86State *env = &cpu->env;
1925 
1926     env->eip = 0;
1927     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1928                            sipi_vector << 12,
1929                            env->segs[R_CS].limit,
1930                            env->segs[R_CS].flags);
1931     cs->halted = 0;
1932 }
1933 
1934 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1935                             target_ulong *base, unsigned int *limit,
1936                             unsigned int *flags);
1937 
1938 /* op_helper.c */
1939 /* used for debug or cpu save/restore */
1940 
1941 /* cpu-exec.c */
1942 /* the following helpers are only usable in user mode simulation as
1943    they can trigger unexpected exceptions */
1944 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
1945 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1946 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1947 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1948 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1949 
1950 /* cpu.c */
1951 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
1952                               uint32_t vendor2, uint32_t vendor3);
1953 typedef struct PropValue {
1954     const char *prop, *value;
1955 } PropValue;
1956 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props);
1957 
1958 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env);
1959 
1960 /* cpu.c other functions (cpuid) */
1961 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1962                    uint32_t *eax, uint32_t *ebx,
1963                    uint32_t *ecx, uint32_t *edx);
1964 void cpu_clear_apic_feature(CPUX86State *env);
1965 void host_cpuid(uint32_t function, uint32_t count,
1966                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1967 
1968 /* helper.c */
1969 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1970 
1971 #ifndef CONFIG_USER_ONLY
1972 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1973 {
1974     return !!attrs.secure;
1975 }
1976 
1977 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1978 {
1979     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1980 }
1981 
1982 /*
1983  * load efer and update the corresponding hflags. XXX: do consistency
1984  * checks with cpuid bits?
1985  */
1986 void cpu_load_efer(CPUX86State *env, uint64_t val);
1987 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1988 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1989 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1990 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1991 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1992 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1993 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1994 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1995 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1996 #endif
1997 
1998 /* will be suppressed */
1999 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
2000 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
2001 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
2002 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
2003 
2004 /* hw/pc.c */
2005 uint64_t cpu_get_tsc(CPUX86State *env);
2006 
2007 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
2008 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
2009 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
2010 
2011 #ifdef TARGET_X86_64
2012 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
2013 #else
2014 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
2015 #endif
2016 
2017 #define cpu_list x86_cpu_list
2018 
2019 /* MMU modes definitions */
2020 #define MMU_KSMAP_IDX   0
2021 #define MMU_USER_IDX    1
2022 #define MMU_KNOSMAP_IDX 2
2023 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
2024 {
2025     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
2026         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
2027         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2028 }
2029 
2030 static inline int cpu_mmu_index_kernel(CPUX86State *env)
2031 {
2032     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
2033         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
2034         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2035 }
2036 
2037 #define CC_DST  (env->cc_dst)
2038 #define CC_SRC  (env->cc_src)
2039 #define CC_SRC2 (env->cc_src2)
2040 #define CC_OP   (env->cc_op)
2041 
2042 typedef CPUX86State CPUArchState;
2043 typedef X86CPU ArchCPU;
2044 
2045 #include "exec/cpu-all.h"
2046 #include "svm.h"
2047 
2048 #if !defined(CONFIG_USER_ONLY)
2049 #include "hw/i386/apic.h"
2050 #endif
2051 
2052 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2053                                         target_ulong *cs_base, uint32_t *flags)
2054 {
2055     *cs_base = env->segs[R_CS].base;
2056     *pc = *cs_base + env->eip;
2057     *flags = env->hflags |
2058         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2059 }
2060 
2061 void do_cpu_init(X86CPU *cpu);
2062 void do_cpu_sipi(X86CPU *cpu);
2063 
2064 #define MCE_INJECT_BROADCAST    1
2065 #define MCE_INJECT_UNCOND_AO    2
2066 
2067 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2068                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2069                         uint64_t misc, int flags);
2070 
2071 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2072 
2073 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2074 {
2075     uint32_t eflags = env->eflags;
2076     if (tcg_enabled()) {
2077         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2078     }
2079     return eflags;
2080 }
2081 
2082 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2083 {
2084     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2085 }
2086 
2087 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2088 {
2089     if (env->hflags & HF_SMM_MASK) {
2090         return -1;
2091     } else {
2092         return env->a20_mask;
2093     }
2094 }
2095 
2096 static inline bool cpu_has_vmx(CPUX86State *env)
2097 {
2098     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2099 }
2100 
2101 static inline bool cpu_has_svm(CPUX86State *env)
2102 {
2103     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2104 }
2105 
2106 /*
2107  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2108  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2109  * VMX operation. This is because CR4.VMXE is one of the bits set
2110  * in MSR_IA32_VMX_CR4_FIXED1.
2111  *
2112  * There is one exception to above statement when vCPU enters SMM mode.
2113  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2114  * may also reset CR4.VMXE during execution in SMM mode.
2115  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2116  * and CR4.VMXE is restored to it's original value of being set.
2117  *
2118  * Therefore, when vCPU is not in SMM mode, we can infer whether
2119  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2120  * know for certain.
2121  */
2122 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2123 {
2124     return cpu_has_vmx(env) &&
2125            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2126 }
2127 
2128 /* excp_helper.c */
2129 int get_pg_mode(CPUX86State *env);
2130 
2131 /* fpu_helper.c */
2132 void update_fp_status(CPUX86State *env);
2133 void update_mxcsr_status(CPUX86State *env);
2134 void update_mxcsr_from_sse_status(CPUX86State *env);
2135 
2136 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2137 {
2138     env->mxcsr = mxcsr;
2139     if (tcg_enabled()) {
2140         update_mxcsr_status(env);
2141     }
2142 }
2143 
2144 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2145 {
2146      env->fpuc = fpuc;
2147      if (tcg_enabled()) {
2148         update_fp_status(env);
2149      }
2150 }
2151 
2152 /* mem_helper.c */
2153 void helper_lock_init(void);
2154 
2155 /* svm_helper.c */
2156 #ifdef CONFIG_USER_ONLY
2157 static inline void
2158 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2159                               uint64_t param, uintptr_t retaddr)
2160 { /* no-op */ }
2161 static inline bool
2162 cpu_svm_has_intercept(CPUX86State *env, uint32_t type)
2163 { return false; }
2164 #else
2165 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2166                                    uint64_t param, uintptr_t retaddr);
2167 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type);
2168 #endif
2169 
2170 /* apic.c */
2171 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2172 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2173                                    TPRAccess access);
2174 
2175 /* Special values for X86CPUVersion: */
2176 
2177 /* Resolve to latest CPU version */
2178 #define CPU_VERSION_LATEST -1
2179 
2180 /*
2181  * Resolve to version defined by current machine type.
2182  * See x86_cpu_set_default_version()
2183  */
2184 #define CPU_VERSION_AUTO   -2
2185 
2186 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2187 #define CPU_VERSION_LEGACY  0
2188 
2189 typedef int X86CPUVersion;
2190 
2191 /*
2192  * Set default CPU model version for CPU models having
2193  * version == CPU_VERSION_AUTO.
2194  */
2195 void x86_cpu_set_default_version(X86CPUVersion version);
2196 
2197 #define APIC_DEFAULT_ADDRESS 0xfee00000
2198 #define APIC_SPACE_SIZE      0x100000
2199 
2200 /* cpu-dump.c */
2201 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2202 
2203 /* cpu.c */
2204 bool cpu_is_bsp(X86CPU *cpu);
2205 
2206 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen);
2207 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen);
2208 void x86_update_hflags(CPUX86State* env);
2209 
2210 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2211 {
2212     return !!(cpu->hyperv_features & BIT(feat));
2213 }
2214 
2215 static inline uint64_t cr4_reserved_bits(CPUX86State *env)
2216 {
2217     uint64_t reserved_bits = CR4_RESERVED_MASK;
2218     if (!env->features[FEAT_XSAVE]) {
2219         reserved_bits |= CR4_OSXSAVE_MASK;
2220     }
2221     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) {
2222         reserved_bits |= CR4_SMEP_MASK;
2223     }
2224     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
2225         reserved_bits |= CR4_SMAP_MASK;
2226     }
2227     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) {
2228         reserved_bits |= CR4_FSGSBASE_MASK;
2229     }
2230     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) {
2231         reserved_bits |= CR4_PKE_MASK;
2232     }
2233     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) {
2234         reserved_bits |= CR4_LA57_MASK;
2235     }
2236     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) {
2237         reserved_bits |= CR4_UMIP_MASK;
2238     }
2239     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) {
2240         reserved_bits |= CR4_PKS_MASK;
2241     }
2242     return reserved_bits;
2243 }
2244 
2245 static inline bool ctl_has_irq(CPUX86State *env)
2246 {
2247     uint32_t int_prio;
2248     uint32_t tpr;
2249 
2250     int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT;
2251     tpr = env->int_ctl & V_TPR_MASK;
2252 
2253     if (env->int_ctl & V_IGN_TPR_MASK) {
2254         return (env->int_ctl & V_IRQ_MASK);
2255     }
2256 
2257     return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr);
2258 }
2259 
2260 hwaddr get_hphys(CPUState *cs, hwaddr gphys, MMUAccessType access_type,
2261                         int *prot);
2262 #if defined(TARGET_X86_64) && \
2263     defined(CONFIG_USER_ONLY) && \
2264     defined(CONFIG_LINUX)
2265 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2266 #endif
2267 
2268 #endif /* I386_CPU_H */
2269