xref: /openbmc/qemu/target/i386/cpu.h (revision 0694dabe)
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 
207 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
208 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
209 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
210 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
211 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
212 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
213 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
214 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
215 
216 #define CR0_PE_SHIFT 0
217 #define CR0_MP_SHIFT 1
218 
219 #define CR0_PE_MASK  (1U << 0)
220 #define CR0_MP_MASK  (1U << 1)
221 #define CR0_EM_MASK  (1U << 2)
222 #define CR0_TS_MASK  (1U << 3)
223 #define CR0_ET_MASK  (1U << 4)
224 #define CR0_NE_MASK  (1U << 5)
225 #define CR0_WP_MASK  (1U << 16)
226 #define CR0_AM_MASK  (1U << 18)
227 #define CR0_PG_MASK  (1U << 31)
228 
229 #define CR4_VME_MASK  (1U << 0)
230 #define CR4_PVI_MASK  (1U << 1)
231 #define CR4_TSD_MASK  (1U << 2)
232 #define CR4_DE_MASK   (1U << 3)
233 #define CR4_PSE_MASK  (1U << 4)
234 #define CR4_PAE_MASK  (1U << 5)
235 #define CR4_MCE_MASK  (1U << 6)
236 #define CR4_PGE_MASK  (1U << 7)
237 #define CR4_PCE_MASK  (1U << 8)
238 #define CR4_OSFXSR_SHIFT 9
239 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
240 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
241 #define CR4_LA57_MASK   (1U << 12)
242 #define CR4_VMXE_MASK   (1U << 13)
243 #define CR4_SMXE_MASK   (1U << 14)
244 #define CR4_FSGSBASE_MASK (1U << 16)
245 #define CR4_PCIDE_MASK  (1U << 17)
246 #define CR4_OSXSAVE_MASK (1U << 18)
247 #define CR4_SMEP_MASK   (1U << 20)
248 #define CR4_SMAP_MASK   (1U << 21)
249 #define CR4_PKE_MASK   (1U << 22)
250 #define CR4_PKS_MASK   (1U << 24)
251 
252 #define DR6_BD          (1 << 13)
253 #define DR6_BS          (1 << 14)
254 #define DR6_BT          (1 << 15)
255 #define DR6_FIXED_1     0xffff0ff0
256 
257 #define DR7_GD          (1 << 13)
258 #define DR7_TYPE_SHIFT  16
259 #define DR7_LEN_SHIFT   18
260 #define DR7_FIXED_1     0x00000400
261 #define DR7_GLOBAL_BP_MASK   0xaa
262 #define DR7_LOCAL_BP_MASK    0x55
263 #define DR7_MAX_BP           4
264 #define DR7_TYPE_BP_INST     0x0
265 #define DR7_TYPE_DATA_WR     0x1
266 #define DR7_TYPE_IO_RW       0x2
267 #define DR7_TYPE_DATA_RW     0x3
268 
269 #define PG_PRESENT_BIT  0
270 #define PG_RW_BIT       1
271 #define PG_USER_BIT     2
272 #define PG_PWT_BIT      3
273 #define PG_PCD_BIT      4
274 #define PG_ACCESSED_BIT 5
275 #define PG_DIRTY_BIT    6
276 #define PG_PSE_BIT      7
277 #define PG_GLOBAL_BIT   8
278 #define PG_PSE_PAT_BIT  12
279 #define PG_PKRU_BIT     59
280 #define PG_NX_BIT       63
281 
282 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
283 #define PG_RW_MASK       (1 << PG_RW_BIT)
284 #define PG_USER_MASK     (1 << PG_USER_BIT)
285 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
286 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
287 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
288 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
289 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
290 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
291 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
292 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
293 #define PG_HI_RSVD_MASK  (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK)
294 #define PG_HI_USER_MASK  0x7ff0000000000000LL
295 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
296 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
297 
298 #define PG_ERROR_W_BIT     1
299 
300 #define PG_ERROR_P_MASK    0x01
301 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
302 #define PG_ERROR_U_MASK    0x04
303 #define PG_ERROR_RSVD_MASK 0x08
304 #define PG_ERROR_I_D_MASK  0x10
305 #define PG_ERROR_PK_MASK   0x20
306 
307 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
308 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
309 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
310 
311 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
312 #define MCE_BANKS_DEF   10
313 
314 #define MCG_CAP_BANKS_MASK 0xff
315 
316 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
317 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
318 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
319 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
320 
321 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
322 
323 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
324 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
325 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
326 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
327 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
328 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
329 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
330 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
331 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
332 
333 /* MISC register defines */
334 #define MCM_ADDR_SEGOFF  0      /* segment offset */
335 #define MCM_ADDR_LINEAR  1      /* linear address */
336 #define MCM_ADDR_PHYS    2      /* physical address */
337 #define MCM_ADDR_MEM     3      /* memory address */
338 #define MCM_ADDR_GENERIC 7      /* generic */
339 
340 #define MSR_IA32_TSC                    0x10
341 #define MSR_IA32_APICBASE               0x1b
342 #define MSR_IA32_APICBASE_BSP           (1<<8)
343 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
344 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
345 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
346 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
347 #define MSR_TSC_ADJUST                  0x0000003b
348 #define MSR_IA32_SPEC_CTRL              0x48
349 #define MSR_VIRT_SSBD                   0xc001011f
350 #define MSR_IA32_PRED_CMD               0x49
351 #define MSR_IA32_UCODE_REV              0x8b
352 #define MSR_IA32_CORE_CAPABILITY        0xcf
353 
354 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
355 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
356 
357 #define MSR_IA32_PERF_CAPABILITIES      0x345
358 
359 #define MSR_IA32_TSX_CTRL		0x122
360 #define MSR_IA32_TSCDEADLINE            0x6e0
361 #define MSR_IA32_PKRS                   0x6e1
362 
363 #define FEATURE_CONTROL_LOCKED                    (1<<0)
364 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
365 #define FEATURE_CONTROL_LMCE                      (1<<20)
366 
367 #define MSR_P6_PERFCTR0                 0xc1
368 
369 #define MSR_IA32_SMBASE                 0x9e
370 #define MSR_SMI_COUNT                   0x34
371 #define MSR_CORE_THREAD_COUNT           0x35
372 #define MSR_MTRRcap                     0xfe
373 #define MSR_MTRRcap_VCNT                8
374 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
375 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
376 
377 #define MSR_IA32_SYSENTER_CS            0x174
378 #define MSR_IA32_SYSENTER_ESP           0x175
379 #define MSR_IA32_SYSENTER_EIP           0x176
380 
381 #define MSR_MCG_CAP                     0x179
382 #define MSR_MCG_STATUS                  0x17a
383 #define MSR_MCG_CTL                     0x17b
384 #define MSR_MCG_EXT_CTL                 0x4d0
385 
386 #define MSR_P6_EVNTSEL0                 0x186
387 
388 #define MSR_IA32_PERF_STATUS            0x198
389 
390 #define MSR_IA32_MISC_ENABLE            0x1a0
391 /* Indicates good rep/movs microcode on some processors: */
392 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
393 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
394 
395 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
396 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
397 
398 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
399 
400 #define MSR_MTRRfix64K_00000            0x250
401 #define MSR_MTRRfix16K_80000            0x258
402 #define MSR_MTRRfix16K_A0000            0x259
403 #define MSR_MTRRfix4K_C0000             0x268
404 #define MSR_MTRRfix4K_C8000             0x269
405 #define MSR_MTRRfix4K_D0000             0x26a
406 #define MSR_MTRRfix4K_D8000             0x26b
407 #define MSR_MTRRfix4K_E0000             0x26c
408 #define MSR_MTRRfix4K_E8000             0x26d
409 #define MSR_MTRRfix4K_F0000             0x26e
410 #define MSR_MTRRfix4K_F8000             0x26f
411 
412 #define MSR_PAT                         0x277
413 
414 #define MSR_MTRRdefType                 0x2ff
415 
416 #define MSR_CORE_PERF_FIXED_CTR0        0x309
417 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
418 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
419 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
420 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
421 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
422 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
423 
424 #define MSR_MC0_CTL                     0x400
425 #define MSR_MC0_STATUS                  0x401
426 #define MSR_MC0_ADDR                    0x402
427 #define MSR_MC0_MISC                    0x403
428 
429 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
430 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
431 #define MSR_IA32_RTIT_CTL               0x570
432 #define MSR_IA32_RTIT_STATUS            0x571
433 #define MSR_IA32_RTIT_CR3_MATCH         0x572
434 #define MSR_IA32_RTIT_ADDR0_A           0x580
435 #define MSR_IA32_RTIT_ADDR0_B           0x581
436 #define MSR_IA32_RTIT_ADDR1_A           0x582
437 #define MSR_IA32_RTIT_ADDR1_B           0x583
438 #define MSR_IA32_RTIT_ADDR2_A           0x584
439 #define MSR_IA32_RTIT_ADDR2_B           0x585
440 #define MSR_IA32_RTIT_ADDR3_A           0x586
441 #define MSR_IA32_RTIT_ADDR3_B           0x587
442 #define MAX_RTIT_ADDRS                  8
443 
444 #define MSR_EFER                        0xc0000080
445 
446 #define MSR_EFER_SCE   (1 << 0)
447 #define MSR_EFER_LME   (1 << 8)
448 #define MSR_EFER_LMA   (1 << 10)
449 #define MSR_EFER_NXE   (1 << 11)
450 #define MSR_EFER_SVME  (1 << 12)
451 #define MSR_EFER_FFXSR (1 << 14)
452 
453 #define MSR_STAR                        0xc0000081
454 #define MSR_LSTAR                       0xc0000082
455 #define MSR_CSTAR                       0xc0000083
456 #define MSR_FMASK                       0xc0000084
457 #define MSR_FSBASE                      0xc0000100
458 #define MSR_GSBASE                      0xc0000101
459 #define MSR_KERNELGSBASE                0xc0000102
460 #define MSR_TSC_AUX                     0xc0000103
461 
462 #define MSR_VM_HSAVE_PA                 0xc0010117
463 
464 #define MSR_IA32_BNDCFGS                0x00000d90
465 #define MSR_IA32_XSS                    0x00000da0
466 #define MSR_IA32_UMWAIT_CONTROL         0xe1
467 
468 #define MSR_IA32_VMX_BASIC              0x00000480
469 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
470 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
471 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
472 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
473 #define MSR_IA32_VMX_MISC               0x00000485
474 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
475 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
476 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
477 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
478 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
479 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
480 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
481 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
482 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
483 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
484 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
485 #define MSR_IA32_VMX_VMFUNC             0x00000491
486 
487 #define XSTATE_FP_BIT                   0
488 #define XSTATE_SSE_BIT                  1
489 #define XSTATE_YMM_BIT                  2
490 #define XSTATE_BNDREGS_BIT              3
491 #define XSTATE_BNDCSR_BIT               4
492 #define XSTATE_OPMASK_BIT               5
493 #define XSTATE_ZMM_Hi256_BIT            6
494 #define XSTATE_Hi16_ZMM_BIT             7
495 #define XSTATE_PKRU_BIT                 9
496 
497 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
498 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
499 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
500 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
501 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
502 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
503 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
504 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
505 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
506 
507 /* CPUID feature words */
508 typedef enum FeatureWord {
509     FEAT_1_EDX,         /* CPUID[1].EDX */
510     FEAT_1_ECX,         /* CPUID[1].ECX */
511     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
512     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
513     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
514     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
515     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
516     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
517     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
518     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
519     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
520     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
521     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
522     FEAT_HYPERV_EAX,    /* CPUID[4000_0003].EAX */
523     FEAT_HYPERV_EBX,    /* CPUID[4000_0003].EBX */
524     FEAT_HYPERV_EDX,    /* CPUID[4000_0003].EDX */
525     FEAT_HV_RECOMM_EAX, /* CPUID[4000_0004].EAX */
526     FEAT_HV_NESTED_EAX, /* CPUID[4000_000A].EAX */
527     FEAT_SVM,           /* CPUID[8000_000A].EDX */
528     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
529     FEAT_6_EAX,         /* CPUID[6].EAX */
530     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
531     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
532     FEAT_ARCH_CAPABILITIES,
533     FEAT_CORE_CAPABILITY,
534     FEAT_PERF_CAPABILITIES,
535     FEAT_VMX_PROCBASED_CTLS,
536     FEAT_VMX_SECONDARY_CTLS,
537     FEAT_VMX_PINBASED_CTLS,
538     FEAT_VMX_EXIT_CTLS,
539     FEAT_VMX_ENTRY_CTLS,
540     FEAT_VMX_MISC,
541     FEAT_VMX_EPT_VPID_CAPS,
542     FEAT_VMX_BASIC,
543     FEAT_VMX_VMFUNC,
544     FEAT_14_0_ECX,
545     FEATURE_WORDS,
546 } FeatureWord;
547 
548 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
549 
550 /* cpuid_features bits */
551 #define CPUID_FP87 (1U << 0)
552 #define CPUID_VME  (1U << 1)
553 #define CPUID_DE   (1U << 2)
554 #define CPUID_PSE  (1U << 3)
555 #define CPUID_TSC  (1U << 4)
556 #define CPUID_MSR  (1U << 5)
557 #define CPUID_PAE  (1U << 6)
558 #define CPUID_MCE  (1U << 7)
559 #define CPUID_CX8  (1U << 8)
560 #define CPUID_APIC (1U << 9)
561 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
562 #define CPUID_MTRR (1U << 12)
563 #define CPUID_PGE  (1U << 13)
564 #define CPUID_MCA  (1U << 14)
565 #define CPUID_CMOV (1U << 15)
566 #define CPUID_PAT  (1U << 16)
567 #define CPUID_PSE36   (1U << 17)
568 #define CPUID_PN   (1U << 18)
569 #define CPUID_CLFLUSH (1U << 19)
570 #define CPUID_DTS (1U << 21)
571 #define CPUID_ACPI (1U << 22)
572 #define CPUID_MMX  (1U << 23)
573 #define CPUID_FXSR (1U << 24)
574 #define CPUID_SSE  (1U << 25)
575 #define CPUID_SSE2 (1U << 26)
576 #define CPUID_SS (1U << 27)
577 #define CPUID_HT (1U << 28)
578 #define CPUID_TM (1U << 29)
579 #define CPUID_IA64 (1U << 30)
580 #define CPUID_PBE (1U << 31)
581 
582 #define CPUID_EXT_SSE3     (1U << 0)
583 #define CPUID_EXT_PCLMULQDQ (1U << 1)
584 #define CPUID_EXT_DTES64   (1U << 2)
585 #define CPUID_EXT_MONITOR  (1U << 3)
586 #define CPUID_EXT_DSCPL    (1U << 4)
587 #define CPUID_EXT_VMX      (1U << 5)
588 #define CPUID_EXT_SMX      (1U << 6)
589 #define CPUID_EXT_EST      (1U << 7)
590 #define CPUID_EXT_TM2      (1U << 8)
591 #define CPUID_EXT_SSSE3    (1U << 9)
592 #define CPUID_EXT_CID      (1U << 10)
593 #define CPUID_EXT_FMA      (1U << 12)
594 #define CPUID_EXT_CX16     (1U << 13)
595 #define CPUID_EXT_XTPR     (1U << 14)
596 #define CPUID_EXT_PDCM     (1U << 15)
597 #define CPUID_EXT_PCID     (1U << 17)
598 #define CPUID_EXT_DCA      (1U << 18)
599 #define CPUID_EXT_SSE41    (1U << 19)
600 #define CPUID_EXT_SSE42    (1U << 20)
601 #define CPUID_EXT_X2APIC   (1U << 21)
602 #define CPUID_EXT_MOVBE    (1U << 22)
603 #define CPUID_EXT_POPCNT   (1U << 23)
604 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
605 #define CPUID_EXT_AES      (1U << 25)
606 #define CPUID_EXT_XSAVE    (1U << 26)
607 #define CPUID_EXT_OSXSAVE  (1U << 27)
608 #define CPUID_EXT_AVX      (1U << 28)
609 #define CPUID_EXT_F16C     (1U << 29)
610 #define CPUID_EXT_RDRAND   (1U << 30)
611 #define CPUID_EXT_HYPERVISOR  (1U << 31)
612 
613 #define CPUID_EXT2_FPU     (1U << 0)
614 #define CPUID_EXT2_VME     (1U << 1)
615 #define CPUID_EXT2_DE      (1U << 2)
616 #define CPUID_EXT2_PSE     (1U << 3)
617 #define CPUID_EXT2_TSC     (1U << 4)
618 #define CPUID_EXT2_MSR     (1U << 5)
619 #define CPUID_EXT2_PAE     (1U << 6)
620 #define CPUID_EXT2_MCE     (1U << 7)
621 #define CPUID_EXT2_CX8     (1U << 8)
622 #define CPUID_EXT2_APIC    (1U << 9)
623 #define CPUID_EXT2_SYSCALL (1U << 11)
624 #define CPUID_EXT2_MTRR    (1U << 12)
625 #define CPUID_EXT2_PGE     (1U << 13)
626 #define CPUID_EXT2_MCA     (1U << 14)
627 #define CPUID_EXT2_CMOV    (1U << 15)
628 #define CPUID_EXT2_PAT     (1U << 16)
629 #define CPUID_EXT2_PSE36   (1U << 17)
630 #define CPUID_EXT2_MP      (1U << 19)
631 #define CPUID_EXT2_NX      (1U << 20)
632 #define CPUID_EXT2_MMXEXT  (1U << 22)
633 #define CPUID_EXT2_MMX     (1U << 23)
634 #define CPUID_EXT2_FXSR    (1U << 24)
635 #define CPUID_EXT2_FFXSR   (1U << 25)
636 #define CPUID_EXT2_PDPE1GB (1U << 26)
637 #define CPUID_EXT2_RDTSCP  (1U << 27)
638 #define CPUID_EXT2_LM      (1U << 29)
639 #define CPUID_EXT2_3DNOWEXT (1U << 30)
640 #define CPUID_EXT2_3DNOW   (1U << 31)
641 
642 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
643 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
644                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
645                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
646                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
647                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
648                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
649                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
650                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
651                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
652 
653 #define CPUID_EXT3_LAHF_LM (1U << 0)
654 #define CPUID_EXT3_CMP_LEG (1U << 1)
655 #define CPUID_EXT3_SVM     (1U << 2)
656 #define CPUID_EXT3_EXTAPIC (1U << 3)
657 #define CPUID_EXT3_CR8LEG  (1U << 4)
658 #define CPUID_EXT3_ABM     (1U << 5)
659 #define CPUID_EXT3_SSE4A   (1U << 6)
660 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
661 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
662 #define CPUID_EXT3_OSVW    (1U << 9)
663 #define CPUID_EXT3_IBS     (1U << 10)
664 #define CPUID_EXT3_XOP     (1U << 11)
665 #define CPUID_EXT3_SKINIT  (1U << 12)
666 #define CPUID_EXT3_WDT     (1U << 13)
667 #define CPUID_EXT3_LWP     (1U << 15)
668 #define CPUID_EXT3_FMA4    (1U << 16)
669 #define CPUID_EXT3_TCE     (1U << 17)
670 #define CPUID_EXT3_NODEID  (1U << 19)
671 #define CPUID_EXT3_TBM     (1U << 21)
672 #define CPUID_EXT3_TOPOEXT (1U << 22)
673 #define CPUID_EXT3_PERFCORE (1U << 23)
674 #define CPUID_EXT3_PERFNB  (1U << 24)
675 
676 #define CPUID_SVM_NPT             (1U << 0)
677 #define CPUID_SVM_LBRV            (1U << 1)
678 #define CPUID_SVM_SVMLOCK         (1U << 2)
679 #define CPUID_SVM_NRIPSAVE        (1U << 3)
680 #define CPUID_SVM_TSCSCALE        (1U << 4)
681 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
682 #define CPUID_SVM_FLUSHASID       (1U << 6)
683 #define CPUID_SVM_DECODEASSIST    (1U << 7)
684 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
685 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
686 #define CPUID_SVM_AVIC            (1U << 13)
687 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
688 #define CPUID_SVM_VGIF            (1U << 16)
689 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
690 
691 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
692 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
693 /* 1st Group of Advanced Bit Manipulation Extensions */
694 #define CPUID_7_0_EBX_BMI1              (1U << 3)
695 /* Hardware Lock Elision */
696 #define CPUID_7_0_EBX_HLE               (1U << 4)
697 /* Intel Advanced Vector Extensions 2 */
698 #define CPUID_7_0_EBX_AVX2              (1U << 5)
699 /* Supervisor-mode Execution Prevention */
700 #define CPUID_7_0_EBX_SMEP              (1U << 7)
701 /* 2nd Group of Advanced Bit Manipulation Extensions */
702 #define CPUID_7_0_EBX_BMI2              (1U << 8)
703 /* Enhanced REP MOVSB/STOSB */
704 #define CPUID_7_0_EBX_ERMS              (1U << 9)
705 /* Invalidate Process-Context Identifier */
706 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
707 /* Restricted Transactional Memory */
708 #define CPUID_7_0_EBX_RTM               (1U << 11)
709 /* Memory Protection Extension */
710 #define CPUID_7_0_EBX_MPX               (1U << 14)
711 /* AVX-512 Foundation */
712 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
713 /* AVX-512 Doubleword & Quadword Instruction */
714 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
715 /* Read Random SEED */
716 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
717 /* ADCX and ADOX instructions */
718 #define CPUID_7_0_EBX_ADX               (1U << 19)
719 /* Supervisor Mode Access Prevention */
720 #define CPUID_7_0_EBX_SMAP              (1U << 20)
721 /* AVX-512 Integer Fused Multiply Add */
722 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
723 /* Persistent Commit */
724 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
725 /* Flush a Cache Line Optimized */
726 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
727 /* Cache Line Write Back */
728 #define CPUID_7_0_EBX_CLWB              (1U << 24)
729 /* Intel Processor Trace */
730 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
731 /* AVX-512 Prefetch */
732 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
733 /* AVX-512 Exponential and Reciprocal */
734 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
735 /* AVX-512 Conflict Detection */
736 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
737 /* SHA1/SHA256 Instruction Extensions */
738 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
739 /* AVX-512 Byte and Word Instructions */
740 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
741 /* AVX-512 Vector Length Extensions */
742 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
743 
744 /* AVX-512 Vector Byte Manipulation Instruction */
745 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
746 /* User-Mode Instruction Prevention */
747 #define CPUID_7_0_ECX_UMIP              (1U << 2)
748 /* Protection Keys for User-mode Pages */
749 #define CPUID_7_0_ECX_PKU               (1U << 3)
750 /* OS Enable Protection Keys */
751 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
752 /* UMONITOR/UMWAIT/TPAUSE Instructions */
753 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
754 /* Additional AVX-512 Vector Byte Manipulation Instruction */
755 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
756 /* Galois Field New Instructions */
757 #define CPUID_7_0_ECX_GFNI              (1U << 8)
758 /* Vector AES Instructions */
759 #define CPUID_7_0_ECX_VAES              (1U << 9)
760 /* Carry-Less Multiplication Quadword */
761 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
762 /* Vector Neural Network Instructions */
763 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
764 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
765 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
766 /* POPCNT for vectors of DW/QW */
767 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
768 /* 5-level Page Tables */
769 #define CPUID_7_0_ECX_LA57              (1U << 16)
770 /* Read Processor ID */
771 #define CPUID_7_0_ECX_RDPID             (1U << 22)
772 /* Bus Lock Debug Exception */
773 #define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
774 /* Cache Line Demote Instruction */
775 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
776 /* Move Doubleword as Direct Store Instruction */
777 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
778 /* Move 64 Bytes as Direct Store Instruction */
779 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
780 /* Protection Keys for Supervisor-mode Pages */
781 #define CPUID_7_0_ECX_PKS               (1U << 31)
782 
783 /* AVX512 Neural Network Instructions */
784 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
785 /* AVX512 Multiply Accumulation Single Precision */
786 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
787 /* Fast Short Rep Mov */
788 #define CPUID_7_0_EDX_FSRM              (1U << 4)
789 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
790 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
791 /* SERIALIZE instruction */
792 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
793 /* TSX Suspend Load Address Tracking instruction */
794 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
795 /* AVX512_FP16 instruction */
796 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
797 /* Speculation Control */
798 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
799 /* Single Thread Indirect Branch Predictors */
800 #define CPUID_7_0_EDX_STIBP             (1U << 27)
801 /* Arch Capabilities */
802 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
803 /* Core Capability */
804 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
805 /* Speculative Store Bypass Disable */
806 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
807 
808 /* AVX512 BFloat16 Instruction */
809 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
810 
811 /* Packets which contain IP payload have LIP values */
812 #define CPUID_14_0_ECX_LIP              (1U << 31)
813 
814 /* CLZERO instruction */
815 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
816 /* Always save/restore FP error pointers */
817 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
818 /* Write back and do not invalidate cache */
819 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
820 /* Indirect Branch Prediction Barrier */
821 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
822 /* Indirect Branch Restricted Speculation */
823 #define CPUID_8000_0008_EBX_IBRS        (1U << 14)
824 /* Single Thread Indirect Branch Predictors */
825 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
826 /* Speculative Store Bypass Disable */
827 #define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
828 
829 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
830 #define CPUID_XSAVE_XSAVEC     (1U << 1)
831 #define CPUID_XSAVE_XGETBV1    (1U << 2)
832 #define CPUID_XSAVE_XSAVES     (1U << 3)
833 
834 #define CPUID_6_EAX_ARAT       (1U << 2)
835 
836 /* CPUID[0x80000007].EDX flags: */
837 #define CPUID_APM_INVTSC       (1U << 8)
838 
839 #define CPUID_VENDOR_SZ      12
840 
841 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
842 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
843 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
844 #define CPUID_VENDOR_INTEL "GenuineIntel"
845 
846 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
847 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
848 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
849 #define CPUID_VENDOR_AMD   "AuthenticAMD"
850 
851 #define CPUID_VENDOR_VIA   "CentaurHauls"
852 
853 #define CPUID_VENDOR_HYGON    "HygonGenuine"
854 
855 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
856                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
857                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
858 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
859                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
860                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
861 
862 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
863 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
864 
865 /* CPUID[0xB].ECX level types */
866 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
867 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
868 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
869 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
870 
871 /* MSR Feature Bits */
872 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
873 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
874 #define MSR_ARCH_CAP_RSBA               (1U << 2)
875 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
876 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
877 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
878 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
879 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
880 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
881 
882 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
883 
884 /* VMX MSR features */
885 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
886 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
887 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
888 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
889 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
890 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
891 
892 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
893 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
894 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
895 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
896 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
897 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
898 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
899 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
900 
901 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
902 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
903 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
904 #define MSR_VMX_EPT_UC                               (1ULL << 8)
905 #define MSR_VMX_EPT_WB                               (1ULL << 14)
906 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
907 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
908 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
909 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
910 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
911 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
912 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
913 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
914 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
915 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
916 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
917 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
918 
919 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
920 
921 
922 /* VMX controls */
923 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
924 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
925 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
926 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
927 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
928 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
929 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
930 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
931 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
932 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
933 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
934 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
935 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
936 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
937 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
938 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
939 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
940 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
941 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
942 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
943 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
944 
945 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
946 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
947 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
948 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
949 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
950 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
951 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
952 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
953 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
954 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
955 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
956 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
957 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
958 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
959 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
960 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
961 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
962 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
963 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
964 
965 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
966 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
967 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
968 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
969 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
970 
971 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
972 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
973 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
974 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
975 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
976 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
977 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
978 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
979 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
980 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
981 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
982 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
983 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
984 
985 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
986 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
987 #define VMX_VM_ENTRY_SMM                            0x00000400
988 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
989 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
990 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
991 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
992 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
993 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
994 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
995 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
996 
997 /* Supported Hyper-V Enlightenments */
998 #define HYPERV_FEAT_RELAXED             0
999 #define HYPERV_FEAT_VAPIC               1
1000 #define HYPERV_FEAT_TIME                2
1001 #define HYPERV_FEAT_CRASH               3
1002 #define HYPERV_FEAT_RESET               4
1003 #define HYPERV_FEAT_VPINDEX             5
1004 #define HYPERV_FEAT_RUNTIME             6
1005 #define HYPERV_FEAT_SYNIC               7
1006 #define HYPERV_FEAT_STIMER              8
1007 #define HYPERV_FEAT_FREQUENCIES         9
1008 #define HYPERV_FEAT_REENLIGHTENMENT     10
1009 #define HYPERV_FEAT_TLBFLUSH            11
1010 #define HYPERV_FEAT_EVMCS               12
1011 #define HYPERV_FEAT_IPI                 13
1012 #define HYPERV_FEAT_STIMER_DIRECT       14
1013 
1014 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1015 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1016 #endif
1017 
1018 #define EXCP00_DIVZ	0
1019 #define EXCP01_DB	1
1020 #define EXCP02_NMI	2
1021 #define EXCP03_INT3	3
1022 #define EXCP04_INTO	4
1023 #define EXCP05_BOUND	5
1024 #define EXCP06_ILLOP	6
1025 #define EXCP07_PREX	7
1026 #define EXCP08_DBLE	8
1027 #define EXCP09_XERR	9
1028 #define EXCP0A_TSS	10
1029 #define EXCP0B_NOSEG	11
1030 #define EXCP0C_STACK	12
1031 #define EXCP0D_GPF	13
1032 #define EXCP0E_PAGE	14
1033 #define EXCP10_COPR	16
1034 #define EXCP11_ALGN	17
1035 #define EXCP12_MCHK	18
1036 
1037 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1038 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1039 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1040 
1041 /* i386-specific interrupt pending bits.  */
1042 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1043 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1044 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1045 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1046 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1047 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1048 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1049 
1050 /* Use a clearer name for this.  */
1051 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1052 
1053 /* Instead of computing the condition codes after each x86 instruction,
1054  * QEMU just stores one operand (called CC_SRC), the result
1055  * (called CC_DST) and the type of operation (called CC_OP). When the
1056  * condition codes are needed, the condition codes can be calculated
1057  * using this information. Condition codes are not generated if they
1058  * are only needed for conditional branches.
1059  */
1060 typedef enum {
1061     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1062     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1063 
1064     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1065     CC_OP_MULW,
1066     CC_OP_MULL,
1067     CC_OP_MULQ,
1068 
1069     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1070     CC_OP_ADDW,
1071     CC_OP_ADDL,
1072     CC_OP_ADDQ,
1073 
1074     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1075     CC_OP_ADCW,
1076     CC_OP_ADCL,
1077     CC_OP_ADCQ,
1078 
1079     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1080     CC_OP_SUBW,
1081     CC_OP_SUBL,
1082     CC_OP_SUBQ,
1083 
1084     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1085     CC_OP_SBBW,
1086     CC_OP_SBBL,
1087     CC_OP_SBBQ,
1088 
1089     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1090     CC_OP_LOGICW,
1091     CC_OP_LOGICL,
1092     CC_OP_LOGICQ,
1093 
1094     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1095     CC_OP_INCW,
1096     CC_OP_INCL,
1097     CC_OP_INCQ,
1098 
1099     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1100     CC_OP_DECW,
1101     CC_OP_DECL,
1102     CC_OP_DECQ,
1103 
1104     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1105     CC_OP_SHLW,
1106     CC_OP_SHLL,
1107     CC_OP_SHLQ,
1108 
1109     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1110     CC_OP_SARW,
1111     CC_OP_SARL,
1112     CC_OP_SARQ,
1113 
1114     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1115     CC_OP_BMILGW,
1116     CC_OP_BMILGL,
1117     CC_OP_BMILGQ,
1118 
1119     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1120     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1121     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1122 
1123     CC_OP_CLR, /* Z set, all other flags clear.  */
1124     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1125 
1126     CC_OP_NB,
1127 } CCOp;
1128 
1129 typedef struct SegmentCache {
1130     uint32_t selector;
1131     target_ulong base;
1132     uint32_t limit;
1133     uint32_t flags;
1134 } SegmentCache;
1135 
1136 #define MMREG_UNION(n, bits)        \
1137     union n {                       \
1138         uint8_t  _b_##n[(bits)/8];  \
1139         uint16_t _w_##n[(bits)/16]; \
1140         uint32_t _l_##n[(bits)/32]; \
1141         uint64_t _q_##n[(bits)/64]; \
1142         float32  _s_##n[(bits)/32]; \
1143         float64  _d_##n[(bits)/64]; \
1144     }
1145 
1146 typedef union {
1147     uint8_t _b[16];
1148     uint16_t _w[8];
1149     uint32_t _l[4];
1150     uint64_t _q[2];
1151 } XMMReg;
1152 
1153 typedef union {
1154     uint8_t _b[32];
1155     uint16_t _w[16];
1156     uint32_t _l[8];
1157     uint64_t _q[4];
1158 } YMMReg;
1159 
1160 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1161 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1162 
1163 typedef struct BNDReg {
1164     uint64_t lb;
1165     uint64_t ub;
1166 } BNDReg;
1167 
1168 typedef struct BNDCSReg {
1169     uint64_t cfgu;
1170     uint64_t sts;
1171 } BNDCSReg;
1172 
1173 #define BNDCFG_ENABLE       1ULL
1174 #define BNDCFG_BNDPRESERVE  2ULL
1175 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1176 
1177 #ifdef HOST_WORDS_BIGENDIAN
1178 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1179 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1180 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1181 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1182 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1183 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1184 
1185 #define MMX_B(n) _b_MMXReg[7 - (n)]
1186 #define MMX_W(n) _w_MMXReg[3 - (n)]
1187 #define MMX_L(n) _l_MMXReg[1 - (n)]
1188 #define MMX_S(n) _s_MMXReg[1 - (n)]
1189 #else
1190 #define ZMM_B(n) _b_ZMMReg[n]
1191 #define ZMM_W(n) _w_ZMMReg[n]
1192 #define ZMM_L(n) _l_ZMMReg[n]
1193 #define ZMM_S(n) _s_ZMMReg[n]
1194 #define ZMM_Q(n) _q_ZMMReg[n]
1195 #define ZMM_D(n) _d_ZMMReg[n]
1196 
1197 #define MMX_B(n) _b_MMXReg[n]
1198 #define MMX_W(n) _w_MMXReg[n]
1199 #define MMX_L(n) _l_MMXReg[n]
1200 #define MMX_S(n) _s_MMXReg[n]
1201 #endif
1202 #define MMX_Q(n) _q_MMXReg[n]
1203 
1204 typedef union {
1205     floatx80 d __attribute__((aligned(16)));
1206     MMXReg mmx;
1207 } FPReg;
1208 
1209 typedef struct {
1210     uint64_t base;
1211     uint64_t mask;
1212 } MTRRVar;
1213 
1214 #define CPU_NB_REGS64 16
1215 #define CPU_NB_REGS32 8
1216 
1217 #ifdef TARGET_X86_64
1218 #define CPU_NB_REGS CPU_NB_REGS64
1219 #else
1220 #define CPU_NB_REGS CPU_NB_REGS32
1221 #endif
1222 
1223 #define MAX_FIXED_COUNTERS 3
1224 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1225 
1226 #define TARGET_INSN_START_EXTRA_WORDS 1
1227 
1228 #define NB_OPMASK_REGS 8
1229 
1230 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1231  * that APIC ID hasn't been set yet
1232  */
1233 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1234 
1235 typedef union X86LegacyXSaveArea {
1236     struct {
1237         uint16_t fcw;
1238         uint16_t fsw;
1239         uint8_t ftw;
1240         uint8_t reserved;
1241         uint16_t fpop;
1242         uint64_t fpip;
1243         uint64_t fpdp;
1244         uint32_t mxcsr;
1245         uint32_t mxcsr_mask;
1246         FPReg fpregs[8];
1247         uint8_t xmm_regs[16][16];
1248     };
1249     uint8_t data[512];
1250 } X86LegacyXSaveArea;
1251 
1252 typedef struct X86XSaveHeader {
1253     uint64_t xstate_bv;
1254     uint64_t xcomp_bv;
1255     uint64_t reserve0;
1256     uint8_t reserved[40];
1257 } X86XSaveHeader;
1258 
1259 /* Ext. save area 2: AVX State */
1260 typedef struct XSaveAVX {
1261     uint8_t ymmh[16][16];
1262 } XSaveAVX;
1263 
1264 /* Ext. save area 3: BNDREG */
1265 typedef struct XSaveBNDREG {
1266     BNDReg bnd_regs[4];
1267 } XSaveBNDREG;
1268 
1269 /* Ext. save area 4: BNDCSR */
1270 typedef union XSaveBNDCSR {
1271     BNDCSReg bndcsr;
1272     uint8_t data[64];
1273 } XSaveBNDCSR;
1274 
1275 /* Ext. save area 5: Opmask */
1276 typedef struct XSaveOpmask {
1277     uint64_t opmask_regs[NB_OPMASK_REGS];
1278 } XSaveOpmask;
1279 
1280 /* Ext. save area 6: ZMM_Hi256 */
1281 typedef struct XSaveZMM_Hi256 {
1282     uint8_t zmm_hi256[16][32];
1283 } XSaveZMM_Hi256;
1284 
1285 /* Ext. save area 7: Hi16_ZMM */
1286 typedef struct XSaveHi16_ZMM {
1287     uint8_t hi16_zmm[16][64];
1288 } XSaveHi16_ZMM;
1289 
1290 /* Ext. save area 9: PKRU state */
1291 typedef struct XSavePKRU {
1292     uint32_t pkru;
1293     uint32_t padding;
1294 } XSavePKRU;
1295 
1296 typedef struct X86XSaveArea {
1297     X86LegacyXSaveArea legacy;
1298     X86XSaveHeader header;
1299 
1300     /* Extended save areas: */
1301 
1302     /* AVX State: */
1303     XSaveAVX avx_state;
1304     uint8_t padding[960 - 576 - sizeof(XSaveAVX)];
1305     /* MPX State: */
1306     XSaveBNDREG bndreg_state;
1307     XSaveBNDCSR bndcsr_state;
1308     /* AVX-512 State: */
1309     XSaveOpmask opmask_state;
1310     XSaveZMM_Hi256 zmm_hi256_state;
1311     XSaveHi16_ZMM hi16_zmm_state;
1312     /* PKRU State: */
1313     XSavePKRU pkru_state;
1314 } X86XSaveArea;
1315 
1316 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240);
1317 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1318 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0);
1319 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1320 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400);
1321 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1322 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440);
1323 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1324 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480);
1325 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1326 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680);
1327 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1328 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80);
1329 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1330 
1331 typedef enum TPRAccess {
1332     TPR_ACCESS_READ,
1333     TPR_ACCESS_WRITE,
1334 } TPRAccess;
1335 
1336 /* Cache information data structures: */
1337 
1338 enum CacheType {
1339     DATA_CACHE,
1340     INSTRUCTION_CACHE,
1341     UNIFIED_CACHE
1342 };
1343 
1344 typedef struct CPUCacheInfo {
1345     enum CacheType type;
1346     uint8_t level;
1347     /* Size in bytes */
1348     uint32_t size;
1349     /* Line size, in bytes */
1350     uint16_t line_size;
1351     /*
1352      * Associativity.
1353      * Note: representation of fully-associative caches is not implemented
1354      */
1355     uint8_t associativity;
1356     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1357     uint8_t partitions;
1358     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1359     uint32_t sets;
1360     /*
1361      * Lines per tag.
1362      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1363      * (Is this synonym to @partitions?)
1364      */
1365     uint8_t lines_per_tag;
1366 
1367     /* Self-initializing cache */
1368     bool self_init;
1369     /*
1370      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1371      * non-originating threads sharing this cache.
1372      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1373      */
1374     bool no_invd_sharing;
1375     /*
1376      * Cache is inclusive of lower cache levels.
1377      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1378      */
1379     bool inclusive;
1380     /*
1381      * A complex function is used to index the cache, potentially using all
1382      * address bits.  CPUID[4].EDX[bit 2].
1383      */
1384     bool complex_indexing;
1385 } CPUCacheInfo;
1386 
1387 
1388 typedef struct CPUCaches {
1389         CPUCacheInfo *l1d_cache;
1390         CPUCacheInfo *l1i_cache;
1391         CPUCacheInfo *l2_cache;
1392         CPUCacheInfo *l3_cache;
1393 } CPUCaches;
1394 
1395 typedef struct HVFX86LazyFlags {
1396     target_ulong result;
1397     target_ulong auxbits;
1398 } HVFX86LazyFlags;
1399 
1400 typedef struct CPUX86State {
1401     /* standard registers */
1402     target_ulong regs[CPU_NB_REGS];
1403     target_ulong eip;
1404     target_ulong eflags; /* eflags register. During CPU emulation, CC
1405                         flags and DF are set to zero because they are
1406                         stored elsewhere */
1407 
1408     /* emulator internal eflags handling */
1409     target_ulong cc_dst;
1410     target_ulong cc_src;
1411     target_ulong cc_src2;
1412     uint32_t cc_op;
1413     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1414     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1415                         are known at translation time. */
1416     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1417 
1418     /* segments */
1419     SegmentCache segs[6]; /* selector values */
1420     SegmentCache ldt;
1421     SegmentCache tr;
1422     SegmentCache gdt; /* only base and limit are used */
1423     SegmentCache idt; /* only base and limit are used */
1424 
1425     target_ulong cr[5]; /* NOTE: cr1 is unused */
1426     int32_t a20_mask;
1427 
1428     BNDReg bnd_regs[4];
1429     BNDCSReg bndcs_regs;
1430     uint64_t msr_bndcfgs;
1431     uint64_t efer;
1432 
1433     /* Beginning of state preserved by INIT (dummy marker).  */
1434     struct {} start_init_save;
1435 
1436     /* FPU state */
1437     unsigned int fpstt; /* top of stack index */
1438     uint16_t fpus;
1439     uint16_t fpuc;
1440     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1441     FPReg fpregs[8];
1442     /* KVM-only so far */
1443     uint16_t fpop;
1444     uint64_t fpip;
1445     uint64_t fpdp;
1446 
1447     /* emulator internal variables */
1448     float_status fp_status;
1449     floatx80 ft0;
1450 
1451     float_status mmx_status; /* for 3DNow! float ops */
1452     float_status sse_status;
1453     uint32_t mxcsr;
1454     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1455     ZMMReg xmm_t0;
1456     MMXReg mmx_t0;
1457 
1458     XMMReg ymmh_regs[CPU_NB_REGS];
1459 
1460     uint64_t opmask_regs[NB_OPMASK_REGS];
1461     YMMReg zmmh_regs[CPU_NB_REGS];
1462     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1463 
1464     /* sysenter registers */
1465     uint32_t sysenter_cs;
1466     target_ulong sysenter_esp;
1467     target_ulong sysenter_eip;
1468     uint64_t star;
1469 
1470     uint64_t vm_hsave;
1471 
1472 #ifdef TARGET_X86_64
1473     target_ulong lstar;
1474     target_ulong cstar;
1475     target_ulong fmask;
1476     target_ulong kernelgsbase;
1477 #endif
1478 
1479     uint64_t tsc;
1480     uint64_t tsc_adjust;
1481     uint64_t tsc_deadline;
1482     uint64_t tsc_aux;
1483 
1484     uint64_t xcr0;
1485 
1486     uint64_t mcg_status;
1487     uint64_t msr_ia32_misc_enable;
1488     uint64_t msr_ia32_feature_control;
1489 
1490     uint64_t msr_fixed_ctr_ctrl;
1491     uint64_t msr_global_ctrl;
1492     uint64_t msr_global_status;
1493     uint64_t msr_global_ovf_ctrl;
1494     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1495     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1496     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1497 
1498     uint64_t pat;
1499     uint32_t smbase;
1500     uint64_t msr_smi_count;
1501 
1502     uint32_t pkru;
1503     uint32_t pkrs;
1504     uint32_t tsx_ctrl;
1505 
1506     uint64_t spec_ctrl;
1507     uint64_t virt_ssbd;
1508 
1509     /* End of state preserved by INIT (dummy marker).  */
1510     struct {} end_init_save;
1511 
1512     uint64_t system_time_msr;
1513     uint64_t wall_clock_msr;
1514     uint64_t steal_time_msr;
1515     uint64_t async_pf_en_msr;
1516     uint64_t async_pf_int_msr;
1517     uint64_t pv_eoi_en_msr;
1518     uint64_t poll_control_msr;
1519 
1520     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1521     uint64_t msr_hv_hypercall;
1522     uint64_t msr_hv_guest_os_id;
1523     uint64_t msr_hv_tsc;
1524 
1525     /* Per-VCPU HV MSRs */
1526     uint64_t msr_hv_vapic;
1527     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1528     uint64_t msr_hv_runtime;
1529     uint64_t msr_hv_synic_control;
1530     uint64_t msr_hv_synic_evt_page;
1531     uint64_t msr_hv_synic_msg_page;
1532     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1533     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1534     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1535     uint64_t msr_hv_reenlightenment_control;
1536     uint64_t msr_hv_tsc_emulation_control;
1537     uint64_t msr_hv_tsc_emulation_status;
1538 
1539     uint64_t msr_rtit_ctrl;
1540     uint64_t msr_rtit_status;
1541     uint64_t msr_rtit_output_base;
1542     uint64_t msr_rtit_output_mask;
1543     uint64_t msr_rtit_cr3_match;
1544     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1545 
1546     /* exception/interrupt handling */
1547     int error_code;
1548     int exception_is_int;
1549     target_ulong exception_next_eip;
1550     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1551     union {
1552         struct CPUBreakpoint *cpu_breakpoint[4];
1553         struct CPUWatchpoint *cpu_watchpoint[4];
1554     }; /* break/watchpoints for dr[0..3] */
1555     int old_exception;  /* exception in flight */
1556 
1557     uint64_t vm_vmcb;
1558     uint64_t tsc_offset;
1559     uint64_t intercept;
1560     uint16_t intercept_cr_read;
1561     uint16_t intercept_cr_write;
1562     uint16_t intercept_dr_read;
1563     uint16_t intercept_dr_write;
1564     uint32_t intercept_exceptions;
1565     uint64_t nested_cr3;
1566     uint32_t nested_pg_mode;
1567     uint8_t v_tpr;
1568 
1569     /* KVM states, automatically cleared on reset */
1570     uint8_t nmi_injected;
1571     uint8_t nmi_pending;
1572 
1573     uintptr_t retaddr;
1574 
1575     /* Fields up to this point are cleared by a CPU reset */
1576     struct {} end_reset_fields;
1577 
1578     /* Fields after this point are preserved across CPU reset. */
1579 
1580     /* processor features (e.g. for CPUID insn) */
1581     /* Minimum cpuid leaf 7 value */
1582     uint32_t cpuid_level_func7;
1583     /* Actual cpuid leaf 7 value */
1584     uint32_t cpuid_min_level_func7;
1585     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1586     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1587     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1588     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1589     /* Actual level/xlevel/xlevel2 value: */
1590     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1591     uint32_t cpuid_vendor1;
1592     uint32_t cpuid_vendor2;
1593     uint32_t cpuid_vendor3;
1594     uint32_t cpuid_version;
1595     FeatureWordArray features;
1596     /* Features that were explicitly enabled/disabled */
1597     FeatureWordArray user_features;
1598     uint32_t cpuid_model[12];
1599     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1600      * on each CPUID leaf will be different, because we keep compatibility
1601      * with old QEMU versions.
1602      */
1603     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1604 
1605     /* MTRRs */
1606     uint64_t mtrr_fixed[11];
1607     uint64_t mtrr_deftype;
1608     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1609 
1610     /* For KVM */
1611     uint32_t mp_state;
1612     int32_t exception_nr;
1613     int32_t interrupt_injected;
1614     uint8_t soft_interrupt;
1615     uint8_t exception_pending;
1616     uint8_t exception_injected;
1617     uint8_t has_error_code;
1618     uint8_t exception_has_payload;
1619     uint64_t exception_payload;
1620     uint32_t ins_len;
1621     uint32_t sipi_vector;
1622     bool tsc_valid;
1623     int64_t tsc_khz;
1624     int64_t user_tsc_khz; /* for sanity check only */
1625     uint64_t apic_bus_freq;
1626 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1627     void *xsave_buf;
1628 #endif
1629 #if defined(CONFIG_KVM)
1630     struct kvm_nested_state *nested_state;
1631 #endif
1632 #if defined(CONFIG_HVF)
1633     HVFX86LazyFlags hvf_lflags;
1634     void *hvf_mmio_buf;
1635 #endif
1636 
1637     uint64_t mcg_cap;
1638     uint64_t mcg_ctl;
1639     uint64_t mcg_ext_ctl;
1640     uint64_t mce_banks[MCE_BANKS_DEF*4];
1641     uint64_t xstate_bv;
1642 
1643     /* vmstate */
1644     uint16_t fpus_vmstate;
1645     uint16_t fptag_vmstate;
1646     uint16_t fpregs_format_vmstate;
1647 
1648     uint64_t xss;
1649     uint32_t umwait;
1650 
1651     TPRAccess tpr_access_type;
1652 
1653     unsigned nr_dies;
1654 } CPUX86State;
1655 
1656 struct kvm_msrs;
1657 
1658 /**
1659  * X86CPU:
1660  * @env: #CPUX86State
1661  * @migratable: If set, only migratable flags will be accepted when "enforce"
1662  * mode is used, and only migratable flags will be included in the "host"
1663  * CPU model.
1664  *
1665  * An x86 CPU.
1666  */
1667 struct X86CPU {
1668     /*< private >*/
1669     CPUState parent_obj;
1670     /*< public >*/
1671 
1672     CPUNegativeOffsetState neg;
1673     CPUX86State env;
1674     VMChangeStateEntry *vmsentry;
1675 
1676     uint64_t ucode_rev;
1677 
1678     uint32_t hyperv_spinlock_attempts;
1679     char *hyperv_vendor;
1680     bool hyperv_synic_kvm_only;
1681     uint64_t hyperv_features;
1682     bool hyperv_passthrough;
1683     OnOffAuto hyperv_no_nonarch_cs;
1684     uint32_t hyperv_vendor_id[3];
1685     uint32_t hyperv_interface_id[4];
1686     uint32_t hyperv_version_id[4];
1687     uint32_t hyperv_limits[3];
1688 
1689     bool check_cpuid;
1690     bool enforce_cpuid;
1691     /*
1692      * Force features to be enabled even if the host doesn't support them.
1693      * This is dangerous and should be done only for testing CPUID
1694      * compatibility.
1695      */
1696     bool force_features;
1697     bool expose_kvm;
1698     bool expose_tcg;
1699     bool migratable;
1700     bool migrate_smi_count;
1701     bool max_features; /* Enable all supported features automatically */
1702     uint32_t apic_id;
1703 
1704     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1705      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1706     bool vmware_cpuid_freq;
1707 
1708     /* if true the CPUID code directly forward host cache leaves to the guest */
1709     bool cache_info_passthrough;
1710 
1711     /* if true the CPUID code directly forwards
1712      * host monitor/mwait leaves to the guest */
1713     struct {
1714         uint32_t eax;
1715         uint32_t ebx;
1716         uint32_t ecx;
1717         uint32_t edx;
1718     } mwait;
1719 
1720     /* Features that were filtered out because of missing host capabilities */
1721     FeatureWordArray filtered_features;
1722 
1723     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1724      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1725      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1726      * capabilities) directly to the guest.
1727      */
1728     bool enable_pmu;
1729 
1730     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1731      * disabled by default to avoid breaking migration between QEMU with
1732      * different LMCE configurations.
1733      */
1734     bool enable_lmce;
1735 
1736     /* Compatibility bits for old machine types.
1737      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1738      * socket share an virtual l3 cache.
1739      */
1740     bool enable_l3_cache;
1741 
1742     /* Compatibility bits for old machine types.
1743      * If true present the old cache topology information
1744      */
1745     bool legacy_cache;
1746 
1747     /* Compatibility bits for old machine types: */
1748     bool enable_cpuid_0xb;
1749 
1750     /* Enable auto level-increase for all CPUID leaves */
1751     bool full_cpuid_auto_level;
1752 
1753     /* Enable auto level-increase for Intel Processor Trace leave */
1754     bool intel_pt_auto_level;
1755 
1756     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1757     bool fill_mtrr_mask;
1758 
1759     /* if true override the phys_bits value with a value read from the host */
1760     bool host_phys_bits;
1761 
1762     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1763     uint8_t host_phys_bits_limit;
1764 
1765     /* Stop SMI delivery for migration compatibility with old machines */
1766     bool kvm_no_smi_migration;
1767 
1768     /* Number of physical address bits supported */
1769     uint32_t phys_bits;
1770 
1771     /* in order to simplify APIC support, we leave this pointer to the
1772        user */
1773     struct DeviceState *apic_state;
1774     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1775     Notifier machine_done;
1776 
1777     struct kvm_msrs *kvm_msr_buf;
1778 
1779     int32_t node_id; /* NUMA node this CPU belongs to */
1780     int32_t socket_id;
1781     int32_t die_id;
1782     int32_t core_id;
1783     int32_t thread_id;
1784 
1785     int32_t hv_max_vps;
1786 };
1787 
1788 
1789 #ifndef CONFIG_USER_ONLY
1790 extern VMStateDescription vmstate_x86_cpu;
1791 #endif
1792 
1793 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1794 
1795 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1796                              int cpuid, void *opaque);
1797 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1798                              int cpuid, void *opaque);
1799 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1800                                  void *opaque);
1801 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1802                                  void *opaque);
1803 
1804 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1805                                 Error **errp);
1806 
1807 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1808 
1809 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1810                                          MemTxAttrs *attrs);
1811 
1812 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1813 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1814 
1815 void x86_cpu_list(void);
1816 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1817 
1818 int cpu_get_pic_interrupt(CPUX86State *s);
1819 /* MSDOS compatibility mode FPU exception support */
1820 void x86_register_ferr_irq(qemu_irq irq);
1821 void cpu_set_ignne(void);
1822 /* mpx_helper.c */
1823 void cpu_sync_bndcs_hflags(CPUX86State *env);
1824 
1825 /* this function must always be used to load data in the segment
1826    cache: it synchronizes the hflags with the segment cache values */
1827 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1828                                           X86Seg seg_reg, unsigned int selector,
1829                                           target_ulong base,
1830                                           unsigned int limit,
1831                                           unsigned int flags)
1832 {
1833     SegmentCache *sc;
1834     unsigned int new_hflags;
1835 
1836     sc = &env->segs[seg_reg];
1837     sc->selector = selector;
1838     sc->base = base;
1839     sc->limit = limit;
1840     sc->flags = flags;
1841 
1842     /* update the hidden flags */
1843     {
1844         if (seg_reg == R_CS) {
1845 #ifdef TARGET_X86_64
1846             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1847                 /* long mode */
1848                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1849                 env->hflags &= ~(HF_ADDSEG_MASK);
1850             } else
1851 #endif
1852             {
1853                 /* legacy / compatibility case */
1854                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1855                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1856                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1857                     new_hflags;
1858             }
1859         }
1860         if (seg_reg == R_SS) {
1861             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1862 #if HF_CPL_MASK != 3
1863 #error HF_CPL_MASK is hardcoded
1864 #endif
1865             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1866             /* Possibly switch between BNDCFGS and BNDCFGU */
1867             cpu_sync_bndcs_hflags(env);
1868         }
1869         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1870             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1871         if (env->hflags & HF_CS64_MASK) {
1872             /* zero base assumed for DS, ES and SS in long mode */
1873         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1874                    (env->eflags & VM_MASK) ||
1875                    !(env->hflags & HF_CS32_MASK)) {
1876             /* XXX: try to avoid this test. The problem comes from the
1877                fact that is real mode or vm86 mode we only modify the
1878                'base' and 'selector' fields of the segment cache to go
1879                faster. A solution may be to force addseg to one in
1880                translate-i386.c. */
1881             new_hflags |= HF_ADDSEG_MASK;
1882         } else {
1883             new_hflags |= ((env->segs[R_DS].base |
1884                             env->segs[R_ES].base |
1885                             env->segs[R_SS].base) != 0) <<
1886                 HF_ADDSEG_SHIFT;
1887         }
1888         env->hflags = (env->hflags &
1889                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1890     }
1891 }
1892 
1893 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1894                                                uint8_t sipi_vector)
1895 {
1896     CPUState *cs = CPU(cpu);
1897     CPUX86State *env = &cpu->env;
1898 
1899     env->eip = 0;
1900     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1901                            sipi_vector << 12,
1902                            env->segs[R_CS].limit,
1903                            env->segs[R_CS].flags);
1904     cs->halted = 0;
1905 }
1906 
1907 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1908                             target_ulong *base, unsigned int *limit,
1909                             unsigned int *flags);
1910 
1911 /* op_helper.c */
1912 /* used for debug or cpu save/restore */
1913 
1914 /* cpu-exec.c */
1915 /* the following helpers are only usable in user mode simulation as
1916    they can trigger unexpected exceptions */
1917 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
1918 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1919 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1920 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1921 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1922 
1923 /* you can call this signal handler from your SIGBUS and SIGSEGV
1924    signal handlers to inform the virtual CPU of exceptions. non zero
1925    is returned if the signal was handled by the virtual CPU.  */
1926 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1927                            void *puc);
1928 
1929 /* cpu.c */
1930 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1931                    uint32_t *eax, uint32_t *ebx,
1932                    uint32_t *ecx, uint32_t *edx);
1933 void cpu_clear_apic_feature(CPUX86State *env);
1934 void host_cpuid(uint32_t function, uint32_t count,
1935                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1936 void host_vendor_fms(char *vendor, int *family, int *model, int *stepping);
1937 
1938 /* helper.c */
1939 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1940 
1941 #ifndef CONFIG_USER_ONLY
1942 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1943 {
1944     return !!attrs.secure;
1945 }
1946 
1947 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1948 {
1949     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1950 }
1951 
1952 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1953 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1954 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1955 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1956 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1957 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1958 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1959 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1960 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1961 #endif
1962 
1963 /* will be suppressed */
1964 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1965 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1966 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1967 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
1968 
1969 /* hw/pc.c */
1970 uint64_t cpu_get_tsc(CPUX86State *env);
1971 
1972 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
1973 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
1974 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
1975 
1976 #ifdef TARGET_X86_64
1977 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
1978 #else
1979 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
1980 #endif
1981 
1982 #define cpu_signal_handler cpu_x86_signal_handler
1983 #define cpu_list x86_cpu_list
1984 
1985 /* MMU modes definitions */
1986 #define MMU_KSMAP_IDX   0
1987 #define MMU_USER_IDX    1
1988 #define MMU_KNOSMAP_IDX 2
1989 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
1990 {
1991     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1992         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
1993         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1994 }
1995 
1996 static inline int cpu_mmu_index_kernel(CPUX86State *env)
1997 {
1998     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
1999         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
2000         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2001 }
2002 
2003 #define CC_DST  (env->cc_dst)
2004 #define CC_SRC  (env->cc_src)
2005 #define CC_SRC2 (env->cc_src2)
2006 #define CC_OP   (env->cc_op)
2007 
2008 typedef CPUX86State CPUArchState;
2009 typedef X86CPU ArchCPU;
2010 
2011 #include "exec/cpu-all.h"
2012 #include "svm.h"
2013 
2014 #if !defined(CONFIG_USER_ONLY)
2015 #include "hw/i386/apic.h"
2016 #endif
2017 
2018 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2019                                         target_ulong *cs_base, uint32_t *flags)
2020 {
2021     *cs_base = env->segs[R_CS].base;
2022     *pc = *cs_base + env->eip;
2023     *flags = env->hflags |
2024         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2025 }
2026 
2027 void do_cpu_init(X86CPU *cpu);
2028 void do_cpu_sipi(X86CPU *cpu);
2029 
2030 #define MCE_INJECT_BROADCAST    1
2031 #define MCE_INJECT_UNCOND_AO    2
2032 
2033 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2034                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2035                         uint64_t misc, int flags);
2036 
2037 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2038 
2039 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2040 {
2041     uint32_t eflags = env->eflags;
2042     if (tcg_enabled()) {
2043         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2044     }
2045     return eflags;
2046 }
2047 
2048 
2049 /* load efer and update the corresponding hflags. XXX: do consistency
2050    checks with cpuid bits? */
2051 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
2052 {
2053     env->efer = val;
2054     env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
2055     if (env->efer & MSR_EFER_LMA) {
2056         env->hflags |= HF_LMA_MASK;
2057     }
2058     if (env->efer & MSR_EFER_SVME) {
2059         env->hflags |= HF_SVME_MASK;
2060     }
2061 }
2062 
2063 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2064 {
2065     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2066 }
2067 
2068 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2069 {
2070     if (env->hflags & HF_SMM_MASK) {
2071         return -1;
2072     } else {
2073         return env->a20_mask;
2074     }
2075 }
2076 
2077 static inline bool cpu_has_vmx(CPUX86State *env)
2078 {
2079     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2080 }
2081 
2082 static inline bool cpu_has_svm(CPUX86State *env)
2083 {
2084     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2085 }
2086 
2087 /*
2088  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2089  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2090  * VMX operation. This is because CR4.VMXE is one of the bits set
2091  * in MSR_IA32_VMX_CR4_FIXED1.
2092  *
2093  * There is one exception to above statement when vCPU enters SMM mode.
2094  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2095  * may also reset CR4.VMXE during execution in SMM mode.
2096  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2097  * and CR4.VMXE is restored to it's original value of being set.
2098  *
2099  * Therefore, when vCPU is not in SMM mode, we can infer whether
2100  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2101  * know for certain.
2102  */
2103 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2104 {
2105     return cpu_has_vmx(env) &&
2106            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2107 }
2108 
2109 /* fpu_helper.c */
2110 void update_fp_status(CPUX86State *env);
2111 void update_mxcsr_status(CPUX86State *env);
2112 void update_mxcsr_from_sse_status(CPUX86State *env);
2113 
2114 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2115 {
2116     env->mxcsr = mxcsr;
2117     if (tcg_enabled()) {
2118         update_mxcsr_status(env);
2119     }
2120 }
2121 
2122 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2123 {
2124      env->fpuc = fpuc;
2125      if (tcg_enabled()) {
2126         update_fp_status(env);
2127      }
2128 }
2129 
2130 /* mem_helper.c */
2131 void helper_lock_init(void);
2132 
2133 /* svm_helper.c */
2134 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2135                                    uint64_t param, uintptr_t retaddr);
2136 /* apic.c */
2137 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2138 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2139                                    TPRAccess access);
2140 
2141 
2142 /* Change the value of a KVM-specific default
2143  *
2144  * If value is NULL, no default will be set and the original
2145  * value from the CPU model table will be kept.
2146  *
2147  * It is valid to call this function only for properties that
2148  * are already present in the kvm_default_props table.
2149  */
2150 void x86_cpu_change_kvm_default(const char *prop, const char *value);
2151 
2152 /* Special values for X86CPUVersion: */
2153 
2154 /* Resolve to latest CPU version */
2155 #define CPU_VERSION_LATEST -1
2156 
2157 /*
2158  * Resolve to version defined by current machine type.
2159  * See x86_cpu_set_default_version()
2160  */
2161 #define CPU_VERSION_AUTO   -2
2162 
2163 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2164 #define CPU_VERSION_LEGACY  0
2165 
2166 typedef int X86CPUVersion;
2167 
2168 /*
2169  * Set default CPU model version for CPU models having
2170  * version == CPU_VERSION_AUTO.
2171  */
2172 void x86_cpu_set_default_version(X86CPUVersion version);
2173 
2174 #define APIC_DEFAULT_ADDRESS 0xfee00000
2175 #define APIC_SPACE_SIZE      0x100000
2176 
2177 /* cpu-dump.c */
2178 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2179 
2180 /* cpu.c */
2181 bool cpu_is_bsp(X86CPU *cpu);
2182 
2183 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf);
2184 void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf);
2185 void x86_update_hflags(CPUX86State* env);
2186 
2187 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2188 {
2189     return !!(cpu->hyperv_features & BIT(feat));
2190 }
2191 
2192 #if defined(TARGET_X86_64) && \
2193     defined(CONFIG_USER_ONLY) && \
2194     defined(CONFIG_LINUX)
2195 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2196 #endif
2197 
2198 #endif /* I386_CPU_H */
2199