xref: /openbmc/qemu/target/i386/cpu.h (revision 6804d230)
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 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 "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 /* Maximum instruction code size */
33 #define TARGET_MAX_INSN_SIZE 16
34 
35 /* support for self modifying code even if the modified instruction is
36    close to the modifying instruction */
37 #define TARGET_HAS_PRECISE_SMC
38 
39 #ifdef TARGET_X86_64
40 #define I386_ELF_MACHINE  EM_X86_64
41 #define ELF_MACHINE_UNAME "x86_64"
42 #else
43 #define I386_ELF_MACHINE  EM_386
44 #define ELF_MACHINE_UNAME "i686"
45 #endif
46 
47 enum {
48     R_EAX = 0,
49     R_ECX = 1,
50     R_EDX = 2,
51     R_EBX = 3,
52     R_ESP = 4,
53     R_EBP = 5,
54     R_ESI = 6,
55     R_EDI = 7,
56     R_R8 = 8,
57     R_R9 = 9,
58     R_R10 = 10,
59     R_R11 = 11,
60     R_R12 = 12,
61     R_R13 = 13,
62     R_R14 = 14,
63     R_R15 = 15,
64 
65     R_AL = 0,
66     R_CL = 1,
67     R_DL = 2,
68     R_BL = 3,
69     R_AH = 4,
70     R_CH = 5,
71     R_DH = 6,
72     R_BH = 7,
73 };
74 
75 typedef enum X86Seg {
76     R_ES = 0,
77     R_CS = 1,
78     R_SS = 2,
79     R_DS = 3,
80     R_FS = 4,
81     R_GS = 5,
82     R_LDTR = 6,
83     R_TR = 7,
84 } X86Seg;
85 
86 /* segment descriptor fields */
87 #define DESC_G_SHIFT    23
88 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
89 #define DESC_B_SHIFT    22
90 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
91 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
92 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
93 #define DESC_AVL_SHIFT  20
94 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
95 #define DESC_P_SHIFT    15
96 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
97 #define DESC_DPL_SHIFT  13
98 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
99 #define DESC_S_SHIFT    12
100 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
101 #define DESC_TYPE_SHIFT 8
102 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
103 #define DESC_A_MASK     (1 << 8)
104 
105 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
106 #define DESC_C_MASK     (1 << 10) /* code: conforming */
107 #define DESC_R_MASK     (1 << 9)  /* code: readable */
108 
109 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
110 #define DESC_W_MASK     (1 << 9)  /* data: writable */
111 
112 #define DESC_TSS_BUSY_MASK (1 << 9)
113 
114 /* eflags masks */
115 #define CC_C    0x0001
116 #define CC_P    0x0004
117 #define CC_A    0x0010
118 #define CC_Z    0x0040
119 #define CC_S    0x0080
120 #define CC_O    0x0800
121 
122 #define TF_SHIFT   8
123 #define IOPL_SHIFT 12
124 #define VM_SHIFT   17
125 
126 #define TF_MASK                 0x00000100
127 #define IF_MASK                 0x00000200
128 #define DF_MASK                 0x00000400
129 #define IOPL_MASK               0x00003000
130 #define NT_MASK                 0x00004000
131 #define RF_MASK                 0x00010000
132 #define VM_MASK                 0x00020000
133 #define AC_MASK                 0x00040000
134 #define VIF_MASK                0x00080000
135 #define VIP_MASK                0x00100000
136 #define ID_MASK                 0x00200000
137 
138 /* hidden flags - used internally by qemu to represent additional cpu
139    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
140    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
141    positions to ease oring with eflags. */
142 /* current cpl */
143 #define HF_CPL_SHIFT         0
144 /* true if hardware interrupts must be disabled for next instruction */
145 #define HF_INHIBIT_IRQ_SHIFT 3
146 /* 16 or 32 segments */
147 #define HF_CS32_SHIFT        4
148 #define HF_SS32_SHIFT        5
149 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
150 #define HF_ADDSEG_SHIFT      6
151 /* copy of CR0.PE (protected mode) */
152 #define HF_PE_SHIFT          7
153 #define HF_TF_SHIFT          8 /* must be same as eflags */
154 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
155 #define HF_EM_SHIFT         10
156 #define HF_TS_SHIFT         11
157 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
158 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
159 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
160 #define HF_RF_SHIFT         16 /* must be same as eflags */
161 #define HF_VM_SHIFT         17 /* must be same as eflags */
162 #define HF_AC_SHIFT         18 /* must be same as eflags */
163 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
164 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
165 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
166 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
167 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
168 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
169 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
170 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
171 
172 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
173 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
174 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
175 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
176 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
177 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
178 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
179 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
180 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
181 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
182 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
183 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
184 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
185 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
186 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
187 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
188 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
189 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
190 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
191 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
192 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
193 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
194 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
195 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
196 
197 /* hflags2 */
198 
199 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
200 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
201 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
202 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
203 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
204 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
205 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
206 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
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 
217 #define CR0_PE_SHIFT 0
218 #define CR0_MP_SHIFT 1
219 
220 #define CR0_PE_MASK  (1U << 0)
221 #define CR0_MP_MASK  (1U << 1)
222 #define CR0_EM_MASK  (1U << 2)
223 #define CR0_TS_MASK  (1U << 3)
224 #define CR0_ET_MASK  (1U << 4)
225 #define CR0_NE_MASK  (1U << 5)
226 #define CR0_WP_MASK  (1U << 16)
227 #define CR0_AM_MASK  (1U << 18)
228 #define CR0_PG_MASK  (1U << 31)
229 
230 #define CR4_VME_MASK  (1U << 0)
231 #define CR4_PVI_MASK  (1U << 1)
232 #define CR4_TSD_MASK  (1U << 2)
233 #define CR4_DE_MASK   (1U << 3)
234 #define CR4_PSE_MASK  (1U << 4)
235 #define CR4_PAE_MASK  (1U << 5)
236 #define CR4_MCE_MASK  (1U << 6)
237 #define CR4_PGE_MASK  (1U << 7)
238 #define CR4_PCE_MASK  (1U << 8)
239 #define CR4_OSFXSR_SHIFT 9
240 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
241 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
242 #define CR4_LA57_MASK   (1U << 12)
243 #define CR4_VMXE_MASK   (1U << 13)
244 #define CR4_SMXE_MASK   (1U << 14)
245 #define CR4_FSGSBASE_MASK (1U << 16)
246 #define CR4_PCIDE_MASK  (1U << 17)
247 #define CR4_OSXSAVE_MASK (1U << 18)
248 #define CR4_SMEP_MASK   (1U << 20)
249 #define CR4_SMAP_MASK   (1U << 21)
250 #define CR4_PKE_MASK   (1U << 22)
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_CORE_CAPABILITY        0xcf
352 
353 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
354 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
355 
356 #define MSR_IA32_TSX_CTRL		0x122
357 #define MSR_IA32_TSCDEADLINE            0x6e0
358 
359 #define FEATURE_CONTROL_LOCKED                    (1<<0)
360 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
361 #define FEATURE_CONTROL_LMCE                      (1<<20)
362 
363 #define MSR_P6_PERFCTR0                 0xc1
364 
365 #define MSR_IA32_SMBASE                 0x9e
366 #define MSR_SMI_COUNT                   0x34
367 #define MSR_MTRRcap                     0xfe
368 #define MSR_MTRRcap_VCNT                8
369 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
370 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
371 
372 #define MSR_IA32_SYSENTER_CS            0x174
373 #define MSR_IA32_SYSENTER_ESP           0x175
374 #define MSR_IA32_SYSENTER_EIP           0x176
375 
376 #define MSR_MCG_CAP                     0x179
377 #define MSR_MCG_STATUS                  0x17a
378 #define MSR_MCG_CTL                     0x17b
379 #define MSR_MCG_EXT_CTL                 0x4d0
380 
381 #define MSR_P6_EVNTSEL0                 0x186
382 
383 #define MSR_IA32_PERF_STATUS            0x198
384 
385 #define MSR_IA32_MISC_ENABLE            0x1a0
386 /* Indicates good rep/movs microcode on some processors: */
387 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
388 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
389 
390 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
391 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
392 
393 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
394 
395 #define MSR_MTRRfix64K_00000            0x250
396 #define MSR_MTRRfix16K_80000            0x258
397 #define MSR_MTRRfix16K_A0000            0x259
398 #define MSR_MTRRfix4K_C0000             0x268
399 #define MSR_MTRRfix4K_C8000             0x269
400 #define MSR_MTRRfix4K_D0000             0x26a
401 #define MSR_MTRRfix4K_D8000             0x26b
402 #define MSR_MTRRfix4K_E0000             0x26c
403 #define MSR_MTRRfix4K_E8000             0x26d
404 #define MSR_MTRRfix4K_F0000             0x26e
405 #define MSR_MTRRfix4K_F8000             0x26f
406 
407 #define MSR_PAT                         0x277
408 
409 #define MSR_MTRRdefType                 0x2ff
410 
411 #define MSR_CORE_PERF_FIXED_CTR0        0x309
412 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
413 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
414 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
415 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
416 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
417 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
418 
419 #define MSR_MC0_CTL                     0x400
420 #define MSR_MC0_STATUS                  0x401
421 #define MSR_MC0_ADDR                    0x402
422 #define MSR_MC0_MISC                    0x403
423 
424 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
425 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
426 #define MSR_IA32_RTIT_CTL               0x570
427 #define MSR_IA32_RTIT_STATUS            0x571
428 #define MSR_IA32_RTIT_CR3_MATCH         0x572
429 #define MSR_IA32_RTIT_ADDR0_A           0x580
430 #define MSR_IA32_RTIT_ADDR0_B           0x581
431 #define MSR_IA32_RTIT_ADDR1_A           0x582
432 #define MSR_IA32_RTIT_ADDR1_B           0x583
433 #define MSR_IA32_RTIT_ADDR2_A           0x584
434 #define MSR_IA32_RTIT_ADDR2_B           0x585
435 #define MSR_IA32_RTIT_ADDR3_A           0x586
436 #define MSR_IA32_RTIT_ADDR3_B           0x587
437 #define MAX_RTIT_ADDRS                  8
438 
439 #define MSR_EFER                        0xc0000080
440 
441 #define MSR_EFER_SCE   (1 << 0)
442 #define MSR_EFER_LME   (1 << 8)
443 #define MSR_EFER_LMA   (1 << 10)
444 #define MSR_EFER_NXE   (1 << 11)
445 #define MSR_EFER_SVME  (1 << 12)
446 #define MSR_EFER_FFXSR (1 << 14)
447 
448 #define MSR_STAR                        0xc0000081
449 #define MSR_LSTAR                       0xc0000082
450 #define MSR_CSTAR                       0xc0000083
451 #define MSR_FMASK                       0xc0000084
452 #define MSR_FSBASE                      0xc0000100
453 #define MSR_GSBASE                      0xc0000101
454 #define MSR_KERNELGSBASE                0xc0000102
455 #define MSR_TSC_AUX                     0xc0000103
456 
457 #define MSR_VM_HSAVE_PA                 0xc0010117
458 
459 #define MSR_IA32_BNDCFGS                0x00000d90
460 #define MSR_IA32_XSS                    0x00000da0
461 #define MSR_IA32_UMWAIT_CONTROL         0xe1
462 
463 #define MSR_IA32_VMX_BASIC              0x00000480
464 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
465 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
466 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
467 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
468 #define MSR_IA32_VMX_MISC               0x00000485
469 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
470 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
471 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
472 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
473 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
474 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
475 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
476 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
477 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
478 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
479 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
480 #define MSR_IA32_VMX_VMFUNC             0x00000491
481 
482 #define XSTATE_FP_BIT                   0
483 #define XSTATE_SSE_BIT                  1
484 #define XSTATE_YMM_BIT                  2
485 #define XSTATE_BNDREGS_BIT              3
486 #define XSTATE_BNDCSR_BIT               4
487 #define XSTATE_OPMASK_BIT               5
488 #define XSTATE_ZMM_Hi256_BIT            6
489 #define XSTATE_Hi16_ZMM_BIT             7
490 #define XSTATE_PKRU_BIT                 9
491 
492 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
493 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
494 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
495 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
496 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
497 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
498 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
499 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
500 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
501 
502 /* CPUID feature words */
503 typedef enum FeatureWord {
504     FEAT_1_EDX,         /* CPUID[1].EDX */
505     FEAT_1_ECX,         /* CPUID[1].ECX */
506     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
507     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
508     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
509     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
510     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
511     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
512     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
513     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
514     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
515     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
516     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
517     FEAT_HYPERV_EAX,    /* CPUID[4000_0003].EAX */
518     FEAT_HYPERV_EBX,    /* CPUID[4000_0003].EBX */
519     FEAT_HYPERV_EDX,    /* CPUID[4000_0003].EDX */
520     FEAT_HV_RECOMM_EAX, /* CPUID[4000_0004].EAX */
521     FEAT_HV_NESTED_EAX, /* CPUID[4000_000A].EAX */
522     FEAT_SVM,           /* CPUID[8000_000A].EDX */
523     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
524     FEAT_6_EAX,         /* CPUID[6].EAX */
525     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
526     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
527     FEAT_ARCH_CAPABILITIES,
528     FEAT_CORE_CAPABILITY,
529     FEAT_VMX_PROCBASED_CTLS,
530     FEAT_VMX_SECONDARY_CTLS,
531     FEAT_VMX_PINBASED_CTLS,
532     FEAT_VMX_EXIT_CTLS,
533     FEAT_VMX_ENTRY_CTLS,
534     FEAT_VMX_MISC,
535     FEAT_VMX_EPT_VPID_CAPS,
536     FEAT_VMX_BASIC,
537     FEAT_VMX_VMFUNC,
538     FEATURE_WORDS,
539 } FeatureWord;
540 
541 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
542 
543 /* cpuid_features bits */
544 #define CPUID_FP87 (1U << 0)
545 #define CPUID_VME  (1U << 1)
546 #define CPUID_DE   (1U << 2)
547 #define CPUID_PSE  (1U << 3)
548 #define CPUID_TSC  (1U << 4)
549 #define CPUID_MSR  (1U << 5)
550 #define CPUID_PAE  (1U << 6)
551 #define CPUID_MCE  (1U << 7)
552 #define CPUID_CX8  (1U << 8)
553 #define CPUID_APIC (1U << 9)
554 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
555 #define CPUID_MTRR (1U << 12)
556 #define CPUID_PGE  (1U << 13)
557 #define CPUID_MCA  (1U << 14)
558 #define CPUID_CMOV (1U << 15)
559 #define CPUID_PAT  (1U << 16)
560 #define CPUID_PSE36   (1U << 17)
561 #define CPUID_PN   (1U << 18)
562 #define CPUID_CLFLUSH (1U << 19)
563 #define CPUID_DTS (1U << 21)
564 #define CPUID_ACPI (1U << 22)
565 #define CPUID_MMX  (1U << 23)
566 #define CPUID_FXSR (1U << 24)
567 #define CPUID_SSE  (1U << 25)
568 #define CPUID_SSE2 (1U << 26)
569 #define CPUID_SS (1U << 27)
570 #define CPUID_HT (1U << 28)
571 #define CPUID_TM (1U << 29)
572 #define CPUID_IA64 (1U << 30)
573 #define CPUID_PBE (1U << 31)
574 
575 #define CPUID_EXT_SSE3     (1U << 0)
576 #define CPUID_EXT_PCLMULQDQ (1U << 1)
577 #define CPUID_EXT_DTES64   (1U << 2)
578 #define CPUID_EXT_MONITOR  (1U << 3)
579 #define CPUID_EXT_DSCPL    (1U << 4)
580 #define CPUID_EXT_VMX      (1U << 5)
581 #define CPUID_EXT_SMX      (1U << 6)
582 #define CPUID_EXT_EST      (1U << 7)
583 #define CPUID_EXT_TM2      (1U << 8)
584 #define CPUID_EXT_SSSE3    (1U << 9)
585 #define CPUID_EXT_CID      (1U << 10)
586 #define CPUID_EXT_FMA      (1U << 12)
587 #define CPUID_EXT_CX16     (1U << 13)
588 #define CPUID_EXT_XTPR     (1U << 14)
589 #define CPUID_EXT_PDCM     (1U << 15)
590 #define CPUID_EXT_PCID     (1U << 17)
591 #define CPUID_EXT_DCA      (1U << 18)
592 #define CPUID_EXT_SSE41    (1U << 19)
593 #define CPUID_EXT_SSE42    (1U << 20)
594 #define CPUID_EXT_X2APIC   (1U << 21)
595 #define CPUID_EXT_MOVBE    (1U << 22)
596 #define CPUID_EXT_POPCNT   (1U << 23)
597 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
598 #define CPUID_EXT_AES      (1U << 25)
599 #define CPUID_EXT_XSAVE    (1U << 26)
600 #define CPUID_EXT_OSXSAVE  (1U << 27)
601 #define CPUID_EXT_AVX      (1U << 28)
602 #define CPUID_EXT_F16C     (1U << 29)
603 #define CPUID_EXT_RDRAND   (1U << 30)
604 #define CPUID_EXT_HYPERVISOR  (1U << 31)
605 
606 #define CPUID_EXT2_FPU     (1U << 0)
607 #define CPUID_EXT2_VME     (1U << 1)
608 #define CPUID_EXT2_DE      (1U << 2)
609 #define CPUID_EXT2_PSE     (1U << 3)
610 #define CPUID_EXT2_TSC     (1U << 4)
611 #define CPUID_EXT2_MSR     (1U << 5)
612 #define CPUID_EXT2_PAE     (1U << 6)
613 #define CPUID_EXT2_MCE     (1U << 7)
614 #define CPUID_EXT2_CX8     (1U << 8)
615 #define CPUID_EXT2_APIC    (1U << 9)
616 #define CPUID_EXT2_SYSCALL (1U << 11)
617 #define CPUID_EXT2_MTRR    (1U << 12)
618 #define CPUID_EXT2_PGE     (1U << 13)
619 #define CPUID_EXT2_MCA     (1U << 14)
620 #define CPUID_EXT2_CMOV    (1U << 15)
621 #define CPUID_EXT2_PAT     (1U << 16)
622 #define CPUID_EXT2_PSE36   (1U << 17)
623 #define CPUID_EXT2_MP      (1U << 19)
624 #define CPUID_EXT2_NX      (1U << 20)
625 #define CPUID_EXT2_MMXEXT  (1U << 22)
626 #define CPUID_EXT2_MMX     (1U << 23)
627 #define CPUID_EXT2_FXSR    (1U << 24)
628 #define CPUID_EXT2_FFXSR   (1U << 25)
629 #define CPUID_EXT2_PDPE1GB (1U << 26)
630 #define CPUID_EXT2_RDTSCP  (1U << 27)
631 #define CPUID_EXT2_LM      (1U << 29)
632 #define CPUID_EXT2_3DNOWEXT (1U << 30)
633 #define CPUID_EXT2_3DNOW   (1U << 31)
634 
635 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
636 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
637                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
638                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
639                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
640                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
641                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
642                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
643                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
644                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
645 
646 #define CPUID_EXT3_LAHF_LM (1U << 0)
647 #define CPUID_EXT3_CMP_LEG (1U << 1)
648 #define CPUID_EXT3_SVM     (1U << 2)
649 #define CPUID_EXT3_EXTAPIC (1U << 3)
650 #define CPUID_EXT3_CR8LEG  (1U << 4)
651 #define CPUID_EXT3_ABM     (1U << 5)
652 #define CPUID_EXT3_SSE4A   (1U << 6)
653 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
654 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
655 #define CPUID_EXT3_OSVW    (1U << 9)
656 #define CPUID_EXT3_IBS     (1U << 10)
657 #define CPUID_EXT3_XOP     (1U << 11)
658 #define CPUID_EXT3_SKINIT  (1U << 12)
659 #define CPUID_EXT3_WDT     (1U << 13)
660 #define CPUID_EXT3_LWP     (1U << 15)
661 #define CPUID_EXT3_FMA4    (1U << 16)
662 #define CPUID_EXT3_TCE     (1U << 17)
663 #define CPUID_EXT3_NODEID  (1U << 19)
664 #define CPUID_EXT3_TBM     (1U << 21)
665 #define CPUID_EXT3_TOPOEXT (1U << 22)
666 #define CPUID_EXT3_PERFCORE (1U << 23)
667 #define CPUID_EXT3_PERFNB  (1U << 24)
668 
669 #define CPUID_SVM_NPT          (1U << 0)
670 #define CPUID_SVM_LBRV         (1U << 1)
671 #define CPUID_SVM_SVMLOCK      (1U << 2)
672 #define CPUID_SVM_NRIPSAVE     (1U << 3)
673 #define CPUID_SVM_TSCSCALE     (1U << 4)
674 #define CPUID_SVM_VMCBCLEAN    (1U << 5)
675 #define CPUID_SVM_FLUSHASID    (1U << 6)
676 #define CPUID_SVM_DECODEASSIST (1U << 7)
677 #define CPUID_SVM_PAUSEFILTER  (1U << 10)
678 #define CPUID_SVM_PFTHRESHOLD  (1U << 12)
679 
680 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
681 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
682 /* 1st Group of Advanced Bit Manipulation Extensions */
683 #define CPUID_7_0_EBX_BMI1              (1U << 3)
684 /* Hardware Lock Elision */
685 #define CPUID_7_0_EBX_HLE               (1U << 4)
686 /* Intel Advanced Vector Extensions 2 */
687 #define CPUID_7_0_EBX_AVX2              (1U << 5)
688 /* Supervisor-mode Execution Prevention */
689 #define CPUID_7_0_EBX_SMEP              (1U << 7)
690 /* 2nd Group of Advanced Bit Manipulation Extensions */
691 #define CPUID_7_0_EBX_BMI2              (1U << 8)
692 /* Enhanced REP MOVSB/STOSB */
693 #define CPUID_7_0_EBX_ERMS              (1U << 9)
694 /* Invalidate Process-Context Identifier */
695 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
696 /* Restricted Transactional Memory */
697 #define CPUID_7_0_EBX_RTM               (1U << 11)
698 /* Memory Protection Extension */
699 #define CPUID_7_0_EBX_MPX               (1U << 14)
700 /* AVX-512 Foundation */
701 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
702 /* AVX-512 Doubleword & Quadword Instruction */
703 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
704 /* Read Random SEED */
705 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
706 /* ADCX and ADOX instructions */
707 #define CPUID_7_0_EBX_ADX               (1U << 19)
708 /* Supervisor Mode Access Prevention */
709 #define CPUID_7_0_EBX_SMAP              (1U << 20)
710 /* AVX-512 Integer Fused Multiply Add */
711 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
712 /* Persistent Commit */
713 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
714 /* Flush a Cache Line Optimized */
715 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
716 /* Cache Line Write Back */
717 #define CPUID_7_0_EBX_CLWB              (1U << 24)
718 /* Intel Processor Trace */
719 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
720 /* AVX-512 Prefetch */
721 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
722 /* AVX-512 Exponential and Reciprocal */
723 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
724 /* AVX-512 Conflict Detection */
725 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
726 /* SHA1/SHA256 Instruction Extensions */
727 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
728 /* AVX-512 Byte and Word Instructions */
729 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
730 /* AVX-512 Vector Length Extensions */
731 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
732 
733 /* AVX-512 Vector Byte Manipulation Instruction */
734 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
735 /* User-Mode Instruction Prevention */
736 #define CPUID_7_0_ECX_UMIP              (1U << 2)
737 /* Protection Keys for User-mode Pages */
738 #define CPUID_7_0_ECX_PKU               (1U << 3)
739 /* OS Enable Protection Keys */
740 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
741 /* UMONITOR/UMWAIT/TPAUSE Instructions */
742 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
743 /* Additional AVX-512 Vector Byte Manipulation Instruction */
744 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
745 /* Galois Field New Instructions */
746 #define CPUID_7_0_ECX_GFNI              (1U << 8)
747 /* Vector AES Instructions */
748 #define CPUID_7_0_ECX_VAES              (1U << 9)
749 /* Carry-Less Multiplication Quadword */
750 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
751 /* Vector Neural Network Instructions */
752 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
753 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
754 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
755 /* POPCNT for vectors of DW/QW */
756 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
757 /* 5-level Page Tables */
758 #define CPUID_7_0_ECX_LA57              (1U << 16)
759 /* Read Processor ID */
760 #define CPUID_7_0_ECX_RDPID             (1U << 22)
761 /* Cache Line Demote Instruction */
762 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
763 /* Move Doubleword as Direct Store Instruction */
764 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
765 /* Move 64 Bytes as Direct Store Instruction */
766 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
767 
768 /* AVX512 Neural Network Instructions */
769 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
770 /* AVX512 Multiply Accumulation Single Precision */
771 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
772 /* Speculation Control */
773 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
774 /* Single Thread Indirect Branch Predictors */
775 #define CPUID_7_0_EDX_STIBP             (1U << 27)
776 /* Arch Capabilities */
777 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
778 /* Core Capability */
779 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
780 /* Speculative Store Bypass Disable */
781 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
782 
783 /* AVX512 BFloat16 Instruction */
784 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
785 
786 /* CLZERO instruction */
787 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
788 /* Always save/restore FP error pointers */
789 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
790 /* Write back and do not invalidate cache */
791 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
792 /* Indirect Branch Prediction Barrier */
793 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
794 
795 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
796 #define CPUID_XSAVE_XSAVEC     (1U << 1)
797 #define CPUID_XSAVE_XGETBV1    (1U << 2)
798 #define CPUID_XSAVE_XSAVES     (1U << 3)
799 
800 #define CPUID_6_EAX_ARAT       (1U << 2)
801 
802 /* CPUID[0x80000007].EDX flags: */
803 #define CPUID_APM_INVTSC       (1U << 8)
804 
805 #define CPUID_VENDOR_SZ      12
806 
807 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
808 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
809 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
810 #define CPUID_VENDOR_INTEL "GenuineIntel"
811 
812 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
813 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
814 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
815 #define CPUID_VENDOR_AMD   "AuthenticAMD"
816 
817 #define CPUID_VENDOR_VIA   "CentaurHauls"
818 
819 #define CPUID_VENDOR_HYGON    "HygonGenuine"
820 
821 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
822                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
823                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
824 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
825                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
826                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
827 
828 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
829 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
830 
831 /* CPUID[0xB].ECX level types */
832 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
833 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
834 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
835 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
836 
837 /* MSR Feature Bits */
838 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
839 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
840 #define MSR_ARCH_CAP_RSBA               (1U << 2)
841 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
842 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
843 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
844 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
845 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
846 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
847 
848 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
849 
850 /* VMX MSR features */
851 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
852 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
853 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
854 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
855 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
856 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
857 
858 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
859 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
860 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
861 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
862 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
863 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
864 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
865 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
866 
867 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
868 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
869 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
870 #define MSR_VMX_EPT_UC                               (1ULL << 8)
871 #define MSR_VMX_EPT_WB                               (1ULL << 14)
872 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
873 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
874 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
875 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
876 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
877 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
878 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
879 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
880 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
881 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
882 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
883 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
884 
885 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
886 
887 
888 /* VMX controls */
889 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
890 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
891 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
892 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
893 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
894 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
895 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
896 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
897 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
898 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
899 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
900 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
901 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
902 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
903 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
904 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
905 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
906 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
907 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
908 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
909 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
910 
911 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
912 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
913 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
914 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
915 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
916 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
917 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
918 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
919 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
920 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
921 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
922 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
923 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
924 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
925 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
926 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
927 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
928 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
929 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
930 
931 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
932 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
933 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
934 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
935 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
936 
937 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
938 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
939 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
940 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
941 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
942 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
943 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
944 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
945 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
946 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
947 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
948 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
949 
950 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
951 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
952 #define VMX_VM_ENTRY_SMM                            0x00000400
953 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
954 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
955 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
956 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
957 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
958 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
959 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
960 
961 /* Supported Hyper-V Enlightenments */
962 #define HYPERV_FEAT_RELAXED             0
963 #define HYPERV_FEAT_VAPIC               1
964 #define HYPERV_FEAT_TIME                2
965 #define HYPERV_FEAT_CRASH               3
966 #define HYPERV_FEAT_RESET               4
967 #define HYPERV_FEAT_VPINDEX             5
968 #define HYPERV_FEAT_RUNTIME             6
969 #define HYPERV_FEAT_SYNIC               7
970 #define HYPERV_FEAT_STIMER              8
971 #define HYPERV_FEAT_FREQUENCIES         9
972 #define HYPERV_FEAT_REENLIGHTENMENT     10
973 #define HYPERV_FEAT_TLBFLUSH            11
974 #define HYPERV_FEAT_EVMCS               12
975 #define HYPERV_FEAT_IPI                 13
976 #define HYPERV_FEAT_STIMER_DIRECT       14
977 
978 #ifndef HYPERV_SPINLOCK_NEVER_RETRY
979 #define HYPERV_SPINLOCK_NEVER_RETRY             0xFFFFFFFF
980 #endif
981 
982 #define EXCP00_DIVZ	0
983 #define EXCP01_DB	1
984 #define EXCP02_NMI	2
985 #define EXCP03_INT3	3
986 #define EXCP04_INTO	4
987 #define EXCP05_BOUND	5
988 #define EXCP06_ILLOP	6
989 #define EXCP07_PREX	7
990 #define EXCP08_DBLE	8
991 #define EXCP09_XERR	9
992 #define EXCP0A_TSS	10
993 #define EXCP0B_NOSEG	11
994 #define EXCP0C_STACK	12
995 #define EXCP0D_GPF	13
996 #define EXCP0E_PAGE	14
997 #define EXCP10_COPR	16
998 #define EXCP11_ALGN	17
999 #define EXCP12_MCHK	18
1000 
1001 #define EXCP_SYSCALL    0x100 /* only happens in user only emulation
1002                                  for syscall instruction */
1003 #define EXCP_VMEXIT     0x100
1004 
1005 /* i386-specific interrupt pending bits.  */
1006 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1007 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1008 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1009 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1010 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1011 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1012 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1013 
1014 /* Use a clearer name for this.  */
1015 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1016 
1017 /* Instead of computing the condition codes after each x86 instruction,
1018  * QEMU just stores one operand (called CC_SRC), the result
1019  * (called CC_DST) and the type of operation (called CC_OP). When the
1020  * condition codes are needed, the condition codes can be calculated
1021  * using this information. Condition codes are not generated if they
1022  * are only needed for conditional branches.
1023  */
1024 typedef enum {
1025     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1026     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1027 
1028     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1029     CC_OP_MULW,
1030     CC_OP_MULL,
1031     CC_OP_MULQ,
1032 
1033     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1034     CC_OP_ADDW,
1035     CC_OP_ADDL,
1036     CC_OP_ADDQ,
1037 
1038     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1039     CC_OP_ADCW,
1040     CC_OP_ADCL,
1041     CC_OP_ADCQ,
1042 
1043     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1044     CC_OP_SUBW,
1045     CC_OP_SUBL,
1046     CC_OP_SUBQ,
1047 
1048     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1049     CC_OP_SBBW,
1050     CC_OP_SBBL,
1051     CC_OP_SBBQ,
1052 
1053     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1054     CC_OP_LOGICW,
1055     CC_OP_LOGICL,
1056     CC_OP_LOGICQ,
1057 
1058     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1059     CC_OP_INCW,
1060     CC_OP_INCL,
1061     CC_OP_INCQ,
1062 
1063     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1064     CC_OP_DECW,
1065     CC_OP_DECL,
1066     CC_OP_DECQ,
1067 
1068     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1069     CC_OP_SHLW,
1070     CC_OP_SHLL,
1071     CC_OP_SHLQ,
1072 
1073     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1074     CC_OP_SARW,
1075     CC_OP_SARL,
1076     CC_OP_SARQ,
1077 
1078     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1079     CC_OP_BMILGW,
1080     CC_OP_BMILGL,
1081     CC_OP_BMILGQ,
1082 
1083     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1084     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1085     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1086 
1087     CC_OP_CLR, /* Z set, all other flags clear.  */
1088     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1089 
1090     CC_OP_NB,
1091 } CCOp;
1092 
1093 typedef struct SegmentCache {
1094     uint32_t selector;
1095     target_ulong base;
1096     uint32_t limit;
1097     uint32_t flags;
1098 } SegmentCache;
1099 
1100 #define MMREG_UNION(n, bits)        \
1101     union n {                       \
1102         uint8_t  _b_##n[(bits)/8];  \
1103         uint16_t _w_##n[(bits)/16]; \
1104         uint32_t _l_##n[(bits)/32]; \
1105         uint64_t _q_##n[(bits)/64]; \
1106         float32  _s_##n[(bits)/32]; \
1107         float64  _d_##n[(bits)/64]; \
1108     }
1109 
1110 typedef union {
1111     uint8_t _b[16];
1112     uint16_t _w[8];
1113     uint32_t _l[4];
1114     uint64_t _q[2];
1115 } XMMReg;
1116 
1117 typedef union {
1118     uint8_t _b[32];
1119     uint16_t _w[16];
1120     uint32_t _l[8];
1121     uint64_t _q[4];
1122 } YMMReg;
1123 
1124 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1125 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1126 
1127 typedef struct BNDReg {
1128     uint64_t lb;
1129     uint64_t ub;
1130 } BNDReg;
1131 
1132 typedef struct BNDCSReg {
1133     uint64_t cfgu;
1134     uint64_t sts;
1135 } BNDCSReg;
1136 
1137 #define BNDCFG_ENABLE       1ULL
1138 #define BNDCFG_BNDPRESERVE  2ULL
1139 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1140 
1141 #ifdef HOST_WORDS_BIGENDIAN
1142 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1143 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1144 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1145 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1146 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1147 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1148 
1149 #define MMX_B(n) _b_MMXReg[7 - (n)]
1150 #define MMX_W(n) _w_MMXReg[3 - (n)]
1151 #define MMX_L(n) _l_MMXReg[1 - (n)]
1152 #define MMX_S(n) _s_MMXReg[1 - (n)]
1153 #else
1154 #define ZMM_B(n) _b_ZMMReg[n]
1155 #define ZMM_W(n) _w_ZMMReg[n]
1156 #define ZMM_L(n) _l_ZMMReg[n]
1157 #define ZMM_S(n) _s_ZMMReg[n]
1158 #define ZMM_Q(n) _q_ZMMReg[n]
1159 #define ZMM_D(n) _d_ZMMReg[n]
1160 
1161 #define MMX_B(n) _b_MMXReg[n]
1162 #define MMX_W(n) _w_MMXReg[n]
1163 #define MMX_L(n) _l_MMXReg[n]
1164 #define MMX_S(n) _s_MMXReg[n]
1165 #endif
1166 #define MMX_Q(n) _q_MMXReg[n]
1167 
1168 typedef union {
1169     floatx80 d __attribute__((aligned(16)));
1170     MMXReg mmx;
1171 } FPReg;
1172 
1173 typedef struct {
1174     uint64_t base;
1175     uint64_t mask;
1176 } MTRRVar;
1177 
1178 #define CPU_NB_REGS64 16
1179 #define CPU_NB_REGS32 8
1180 
1181 #ifdef TARGET_X86_64
1182 #define CPU_NB_REGS CPU_NB_REGS64
1183 #else
1184 #define CPU_NB_REGS CPU_NB_REGS32
1185 #endif
1186 
1187 #define MAX_FIXED_COUNTERS 3
1188 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1189 
1190 #define TARGET_INSN_START_EXTRA_WORDS 1
1191 
1192 #define NB_OPMASK_REGS 8
1193 
1194 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1195  * that APIC ID hasn't been set yet
1196  */
1197 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1198 
1199 typedef union X86LegacyXSaveArea {
1200     struct {
1201         uint16_t fcw;
1202         uint16_t fsw;
1203         uint8_t ftw;
1204         uint8_t reserved;
1205         uint16_t fpop;
1206         uint64_t fpip;
1207         uint64_t fpdp;
1208         uint32_t mxcsr;
1209         uint32_t mxcsr_mask;
1210         FPReg fpregs[8];
1211         uint8_t xmm_regs[16][16];
1212     };
1213     uint8_t data[512];
1214 } X86LegacyXSaveArea;
1215 
1216 typedef struct X86XSaveHeader {
1217     uint64_t xstate_bv;
1218     uint64_t xcomp_bv;
1219     uint64_t reserve0;
1220     uint8_t reserved[40];
1221 } X86XSaveHeader;
1222 
1223 /* Ext. save area 2: AVX State */
1224 typedef struct XSaveAVX {
1225     uint8_t ymmh[16][16];
1226 } XSaveAVX;
1227 
1228 /* Ext. save area 3: BNDREG */
1229 typedef struct XSaveBNDREG {
1230     BNDReg bnd_regs[4];
1231 } XSaveBNDREG;
1232 
1233 /* Ext. save area 4: BNDCSR */
1234 typedef union XSaveBNDCSR {
1235     BNDCSReg bndcsr;
1236     uint8_t data[64];
1237 } XSaveBNDCSR;
1238 
1239 /* Ext. save area 5: Opmask */
1240 typedef struct XSaveOpmask {
1241     uint64_t opmask_regs[NB_OPMASK_REGS];
1242 } XSaveOpmask;
1243 
1244 /* Ext. save area 6: ZMM_Hi256 */
1245 typedef struct XSaveZMM_Hi256 {
1246     uint8_t zmm_hi256[16][32];
1247 } XSaveZMM_Hi256;
1248 
1249 /* Ext. save area 7: Hi16_ZMM */
1250 typedef struct XSaveHi16_ZMM {
1251     uint8_t hi16_zmm[16][64];
1252 } XSaveHi16_ZMM;
1253 
1254 /* Ext. save area 9: PKRU state */
1255 typedef struct XSavePKRU {
1256     uint32_t pkru;
1257     uint32_t padding;
1258 } XSavePKRU;
1259 
1260 typedef struct X86XSaveArea {
1261     X86LegacyXSaveArea legacy;
1262     X86XSaveHeader header;
1263 
1264     /* Extended save areas: */
1265 
1266     /* AVX State: */
1267     XSaveAVX avx_state;
1268     uint8_t padding[960 - 576 - sizeof(XSaveAVX)];
1269     /* MPX State: */
1270     XSaveBNDREG bndreg_state;
1271     XSaveBNDCSR bndcsr_state;
1272     /* AVX-512 State: */
1273     XSaveOpmask opmask_state;
1274     XSaveZMM_Hi256 zmm_hi256_state;
1275     XSaveHi16_ZMM hi16_zmm_state;
1276     /* PKRU State: */
1277     XSavePKRU pkru_state;
1278 } X86XSaveArea;
1279 
1280 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240);
1281 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1282 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0);
1283 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1284 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400);
1285 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1286 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440);
1287 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1288 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480);
1289 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1290 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680);
1291 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1292 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80);
1293 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1294 
1295 typedef enum TPRAccess {
1296     TPR_ACCESS_READ,
1297     TPR_ACCESS_WRITE,
1298 } TPRAccess;
1299 
1300 /* Cache information data structures: */
1301 
1302 enum CacheType {
1303     DATA_CACHE,
1304     INSTRUCTION_CACHE,
1305     UNIFIED_CACHE
1306 };
1307 
1308 typedef struct CPUCacheInfo {
1309     enum CacheType type;
1310     uint8_t level;
1311     /* Size in bytes */
1312     uint32_t size;
1313     /* Line size, in bytes */
1314     uint16_t line_size;
1315     /*
1316      * Associativity.
1317      * Note: representation of fully-associative caches is not implemented
1318      */
1319     uint8_t associativity;
1320     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1321     uint8_t partitions;
1322     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1323     uint32_t sets;
1324     /*
1325      * Lines per tag.
1326      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1327      * (Is this synonym to @partitions?)
1328      */
1329     uint8_t lines_per_tag;
1330 
1331     /* Self-initializing cache */
1332     bool self_init;
1333     /*
1334      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1335      * non-originating threads sharing this cache.
1336      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1337      */
1338     bool no_invd_sharing;
1339     /*
1340      * Cache is inclusive of lower cache levels.
1341      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1342      */
1343     bool inclusive;
1344     /*
1345      * A complex function is used to index the cache, potentially using all
1346      * address bits.  CPUID[4].EDX[bit 2].
1347      */
1348     bool complex_indexing;
1349 } CPUCacheInfo;
1350 
1351 
1352 typedef struct CPUCaches {
1353         CPUCacheInfo *l1d_cache;
1354         CPUCacheInfo *l1i_cache;
1355         CPUCacheInfo *l2_cache;
1356         CPUCacheInfo *l3_cache;
1357 } CPUCaches;
1358 
1359 typedef struct CPUX86State {
1360     /* standard registers */
1361     target_ulong regs[CPU_NB_REGS];
1362     target_ulong eip;
1363     target_ulong eflags; /* eflags register. During CPU emulation, CC
1364                         flags and DF are set to zero because they are
1365                         stored elsewhere */
1366 
1367     /* emulator internal eflags handling */
1368     target_ulong cc_dst;
1369     target_ulong cc_src;
1370     target_ulong cc_src2;
1371     uint32_t cc_op;
1372     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1373     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1374                         are known at translation time. */
1375     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1376 
1377     /* segments */
1378     SegmentCache segs[6]; /* selector values */
1379     SegmentCache ldt;
1380     SegmentCache tr;
1381     SegmentCache gdt; /* only base and limit are used */
1382     SegmentCache idt; /* only base and limit are used */
1383 
1384     target_ulong cr[5]; /* NOTE: cr1 is unused */
1385     int32_t a20_mask;
1386 
1387     BNDReg bnd_regs[4];
1388     BNDCSReg bndcs_regs;
1389     uint64_t msr_bndcfgs;
1390     uint64_t efer;
1391 
1392     /* Beginning of state preserved by INIT (dummy marker).  */
1393     struct {} start_init_save;
1394 
1395     /* FPU state */
1396     unsigned int fpstt; /* top of stack index */
1397     uint16_t fpus;
1398     uint16_t fpuc;
1399     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1400     FPReg fpregs[8];
1401     /* KVM-only so far */
1402     uint16_t fpop;
1403     uint64_t fpip;
1404     uint64_t fpdp;
1405 
1406     /* emulator internal variables */
1407     float_status fp_status;
1408     floatx80 ft0;
1409 
1410     float_status mmx_status; /* for 3DNow! float ops */
1411     float_status sse_status;
1412     uint32_t mxcsr;
1413     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1414     ZMMReg xmm_t0;
1415     MMXReg mmx_t0;
1416 
1417     XMMReg ymmh_regs[CPU_NB_REGS];
1418 
1419     uint64_t opmask_regs[NB_OPMASK_REGS];
1420     YMMReg zmmh_regs[CPU_NB_REGS];
1421     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1422 
1423     /* sysenter registers */
1424     uint32_t sysenter_cs;
1425     target_ulong sysenter_esp;
1426     target_ulong sysenter_eip;
1427     uint64_t star;
1428 
1429     uint64_t vm_hsave;
1430 
1431 #ifdef TARGET_X86_64
1432     target_ulong lstar;
1433     target_ulong cstar;
1434     target_ulong fmask;
1435     target_ulong kernelgsbase;
1436 #endif
1437 
1438     uint64_t tsc;
1439     uint64_t tsc_adjust;
1440     uint64_t tsc_deadline;
1441     uint64_t tsc_aux;
1442 
1443     uint64_t xcr0;
1444 
1445     uint64_t mcg_status;
1446     uint64_t msr_ia32_misc_enable;
1447     uint64_t msr_ia32_feature_control;
1448 
1449     uint64_t msr_fixed_ctr_ctrl;
1450     uint64_t msr_global_ctrl;
1451     uint64_t msr_global_status;
1452     uint64_t msr_global_ovf_ctrl;
1453     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1454     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1455     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1456 
1457     uint64_t pat;
1458     uint32_t smbase;
1459     uint64_t msr_smi_count;
1460 
1461     uint32_t pkru;
1462     uint32_t tsx_ctrl;
1463 
1464     uint64_t spec_ctrl;
1465     uint64_t virt_ssbd;
1466 
1467     /* End of state preserved by INIT (dummy marker).  */
1468     struct {} end_init_save;
1469 
1470     uint64_t system_time_msr;
1471     uint64_t wall_clock_msr;
1472     uint64_t steal_time_msr;
1473     uint64_t async_pf_en_msr;
1474     uint64_t pv_eoi_en_msr;
1475     uint64_t poll_control_msr;
1476 
1477     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1478     uint64_t msr_hv_hypercall;
1479     uint64_t msr_hv_guest_os_id;
1480     uint64_t msr_hv_tsc;
1481 
1482     /* Per-VCPU HV MSRs */
1483     uint64_t msr_hv_vapic;
1484     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1485     uint64_t msr_hv_runtime;
1486     uint64_t msr_hv_synic_control;
1487     uint64_t msr_hv_synic_evt_page;
1488     uint64_t msr_hv_synic_msg_page;
1489     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1490     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1491     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1492     uint64_t msr_hv_reenlightenment_control;
1493     uint64_t msr_hv_tsc_emulation_control;
1494     uint64_t msr_hv_tsc_emulation_status;
1495 
1496     uint64_t msr_rtit_ctrl;
1497     uint64_t msr_rtit_status;
1498     uint64_t msr_rtit_output_base;
1499     uint64_t msr_rtit_output_mask;
1500     uint64_t msr_rtit_cr3_match;
1501     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1502 
1503     /* exception/interrupt handling */
1504     int error_code;
1505     int exception_is_int;
1506     target_ulong exception_next_eip;
1507     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1508     union {
1509         struct CPUBreakpoint *cpu_breakpoint[4];
1510         struct CPUWatchpoint *cpu_watchpoint[4];
1511     }; /* break/watchpoints for dr[0..3] */
1512     int old_exception;  /* exception in flight */
1513 
1514     uint64_t vm_vmcb;
1515     uint64_t tsc_offset;
1516     uint64_t intercept;
1517     uint16_t intercept_cr_read;
1518     uint16_t intercept_cr_write;
1519     uint16_t intercept_dr_read;
1520     uint16_t intercept_dr_write;
1521     uint32_t intercept_exceptions;
1522     uint64_t nested_cr3;
1523     uint32_t nested_pg_mode;
1524     uint8_t v_tpr;
1525 
1526     /* KVM states, automatically cleared on reset */
1527     uint8_t nmi_injected;
1528     uint8_t nmi_pending;
1529 
1530     uintptr_t retaddr;
1531 
1532     /* Fields up to this point are cleared by a CPU reset */
1533     struct {} end_reset_fields;
1534 
1535     /* Fields after this point are preserved across CPU reset. */
1536 
1537     /* processor features (e.g. for CPUID insn) */
1538     /* Minimum cpuid leaf 7 value */
1539     uint32_t cpuid_level_func7;
1540     /* Actual cpuid leaf 7 value */
1541     uint32_t cpuid_min_level_func7;
1542     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1543     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1544     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1545     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1546     /* Actual level/xlevel/xlevel2 value: */
1547     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1548     uint32_t cpuid_vendor1;
1549     uint32_t cpuid_vendor2;
1550     uint32_t cpuid_vendor3;
1551     uint32_t cpuid_version;
1552     FeatureWordArray features;
1553     /* Features that were explicitly enabled/disabled */
1554     FeatureWordArray user_features;
1555     uint32_t cpuid_model[12];
1556     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1557      * on each CPUID leaf will be different, because we keep compatibility
1558      * with old QEMU versions.
1559      */
1560     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1561 
1562     /* MTRRs */
1563     uint64_t mtrr_fixed[11];
1564     uint64_t mtrr_deftype;
1565     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1566 
1567     /* For KVM */
1568     uint32_t mp_state;
1569     int32_t exception_nr;
1570     int32_t interrupt_injected;
1571     uint8_t soft_interrupt;
1572     uint8_t exception_pending;
1573     uint8_t exception_injected;
1574     uint8_t has_error_code;
1575     uint8_t exception_has_payload;
1576     uint64_t exception_payload;
1577     uint32_t ins_len;
1578     uint32_t sipi_vector;
1579     bool tsc_valid;
1580     int64_t tsc_khz;
1581     int64_t user_tsc_khz; /* for sanity check only */
1582 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1583     void *xsave_buf;
1584 #endif
1585 #if defined(CONFIG_KVM)
1586     struct kvm_nested_state *nested_state;
1587 #endif
1588 #if defined(CONFIG_HVF)
1589     HVFX86EmulatorState *hvf_emul;
1590 #endif
1591 
1592     uint64_t mcg_cap;
1593     uint64_t mcg_ctl;
1594     uint64_t mcg_ext_ctl;
1595     uint64_t mce_banks[MCE_BANKS_DEF*4];
1596     uint64_t xstate_bv;
1597 
1598     /* vmstate */
1599     uint16_t fpus_vmstate;
1600     uint16_t fptag_vmstate;
1601     uint16_t fpregs_format_vmstate;
1602 
1603     uint64_t xss;
1604     uint32_t umwait;
1605 
1606     TPRAccess tpr_access_type;
1607 
1608     unsigned nr_dies;
1609 } CPUX86State;
1610 
1611 struct kvm_msrs;
1612 
1613 /**
1614  * X86CPU:
1615  * @env: #CPUX86State
1616  * @migratable: If set, only migratable flags will be accepted when "enforce"
1617  * mode is used, and only migratable flags will be included in the "host"
1618  * CPU model.
1619  *
1620  * An x86 CPU.
1621  */
1622 struct X86CPU {
1623     /*< private >*/
1624     CPUState parent_obj;
1625     /*< public >*/
1626 
1627     CPUNegativeOffsetState neg;
1628     CPUX86State env;
1629 
1630     uint32_t hyperv_spinlock_attempts;
1631     char *hyperv_vendor_id;
1632     bool hyperv_synic_kvm_only;
1633     uint64_t hyperv_features;
1634     bool hyperv_passthrough;
1635     OnOffAuto hyperv_no_nonarch_cs;
1636 
1637     bool check_cpuid;
1638     bool enforce_cpuid;
1639     /*
1640      * Force features to be enabled even if the host doesn't support them.
1641      * This is dangerous and should be done only for testing CPUID
1642      * compatibility.
1643      */
1644     bool force_features;
1645     bool expose_kvm;
1646     bool expose_tcg;
1647     bool migratable;
1648     bool migrate_smi_count;
1649     bool max_features; /* Enable all supported features automatically */
1650     uint32_t apic_id;
1651 
1652     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1653      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1654     bool vmware_cpuid_freq;
1655 
1656     /* if true the CPUID code directly forward host cache leaves to the guest */
1657     bool cache_info_passthrough;
1658 
1659     /* if true the CPUID code directly forwards
1660      * host monitor/mwait leaves to the guest */
1661     struct {
1662         uint32_t eax;
1663         uint32_t ebx;
1664         uint32_t ecx;
1665         uint32_t edx;
1666     } mwait;
1667 
1668     /* Features that were filtered out because of missing host capabilities */
1669     FeatureWordArray filtered_features;
1670 
1671     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1672      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1673      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1674      * capabilities) directly to the guest.
1675      */
1676     bool enable_pmu;
1677 
1678     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1679      * disabled by default to avoid breaking migration between QEMU with
1680      * different LMCE configurations.
1681      */
1682     bool enable_lmce;
1683 
1684     /* Compatibility bits for old machine types.
1685      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1686      * socket share an virtual l3 cache.
1687      */
1688     bool enable_l3_cache;
1689 
1690     /* Compatibility bits for old machine types.
1691      * If true present the old cache topology information
1692      */
1693     bool legacy_cache;
1694 
1695     /* Compatibility bits for old machine types: */
1696     bool enable_cpuid_0xb;
1697 
1698     /* Enable auto level-increase for all CPUID leaves */
1699     bool full_cpuid_auto_level;
1700 
1701     /* Enable auto level-increase for Intel Processor Trace leave */
1702     bool intel_pt_auto_level;
1703 
1704     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1705     bool fill_mtrr_mask;
1706 
1707     /* if true override the phys_bits value with a value read from the host */
1708     bool host_phys_bits;
1709 
1710     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1711     uint8_t host_phys_bits_limit;
1712 
1713     /* Stop SMI delivery for migration compatibility with old machines */
1714     bool kvm_no_smi_migration;
1715 
1716     /* Number of physical address bits supported */
1717     uint32_t phys_bits;
1718 
1719     /* in order to simplify APIC support, we leave this pointer to the
1720        user */
1721     struct DeviceState *apic_state;
1722     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1723     Notifier machine_done;
1724 
1725     struct kvm_msrs *kvm_msr_buf;
1726 
1727     int32_t node_id; /* NUMA node this CPU belongs to */
1728     int32_t socket_id;
1729     int32_t die_id;
1730     int32_t core_id;
1731     int32_t thread_id;
1732 
1733     int32_t hv_max_vps;
1734 };
1735 
1736 
1737 #ifndef CONFIG_USER_ONLY
1738 extern VMStateDescription vmstate_x86_cpu;
1739 #endif
1740 
1741 /**
1742  * x86_cpu_do_interrupt:
1743  * @cpu: vCPU the interrupt is to be handled by.
1744  */
1745 void x86_cpu_do_interrupt(CPUState *cpu);
1746 bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
1747 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1748 
1749 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1750                              int cpuid, void *opaque);
1751 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1752                              int cpuid, void *opaque);
1753 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1754                                  void *opaque);
1755 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1756                                  void *opaque);
1757 
1758 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1759                                 Error **errp);
1760 
1761 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1762 
1763 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1764                                          MemTxAttrs *attrs);
1765 
1766 int x86_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
1767 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1768 
1769 void x86_cpu_exec_enter(CPUState *cpu);
1770 void x86_cpu_exec_exit(CPUState *cpu);
1771 
1772 void x86_cpu_list(void);
1773 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1774 
1775 int cpu_get_pic_interrupt(CPUX86State *s);
1776 /* MSDOS compatibility mode FPU exception support */
1777 void x86_register_ferr_irq(qemu_irq irq);
1778 void cpu_set_ignne(void);
1779 /* mpx_helper.c */
1780 void cpu_sync_bndcs_hflags(CPUX86State *env);
1781 
1782 /* this function must always be used to load data in the segment
1783    cache: it synchronizes the hflags with the segment cache values */
1784 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1785                                           int seg_reg, unsigned int selector,
1786                                           target_ulong base,
1787                                           unsigned int limit,
1788                                           unsigned int flags)
1789 {
1790     SegmentCache *sc;
1791     unsigned int new_hflags;
1792 
1793     sc = &env->segs[seg_reg];
1794     sc->selector = selector;
1795     sc->base = base;
1796     sc->limit = limit;
1797     sc->flags = flags;
1798 
1799     /* update the hidden flags */
1800     {
1801         if (seg_reg == R_CS) {
1802 #ifdef TARGET_X86_64
1803             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1804                 /* long mode */
1805                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1806                 env->hflags &= ~(HF_ADDSEG_MASK);
1807             } else
1808 #endif
1809             {
1810                 /* legacy / compatibility case */
1811                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1812                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1813                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1814                     new_hflags;
1815             }
1816         }
1817         if (seg_reg == R_SS) {
1818             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1819 #if HF_CPL_MASK != 3
1820 #error HF_CPL_MASK is hardcoded
1821 #endif
1822             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1823             /* Possibly switch between BNDCFGS and BNDCFGU */
1824             cpu_sync_bndcs_hflags(env);
1825         }
1826         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1827             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1828         if (env->hflags & HF_CS64_MASK) {
1829             /* zero base assumed for DS, ES and SS in long mode */
1830         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1831                    (env->eflags & VM_MASK) ||
1832                    !(env->hflags & HF_CS32_MASK)) {
1833             /* XXX: try to avoid this test. The problem comes from the
1834                fact that is real mode or vm86 mode we only modify the
1835                'base' and 'selector' fields of the segment cache to go
1836                faster. A solution may be to force addseg to one in
1837                translate-i386.c. */
1838             new_hflags |= HF_ADDSEG_MASK;
1839         } else {
1840             new_hflags |= ((env->segs[R_DS].base |
1841                             env->segs[R_ES].base |
1842                             env->segs[R_SS].base) != 0) <<
1843                 HF_ADDSEG_SHIFT;
1844         }
1845         env->hflags = (env->hflags &
1846                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1847     }
1848 }
1849 
1850 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1851                                                uint8_t sipi_vector)
1852 {
1853     CPUState *cs = CPU(cpu);
1854     CPUX86State *env = &cpu->env;
1855 
1856     env->eip = 0;
1857     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1858                            sipi_vector << 12,
1859                            env->segs[R_CS].limit,
1860                            env->segs[R_CS].flags);
1861     cs->halted = 0;
1862 }
1863 
1864 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1865                             target_ulong *base, unsigned int *limit,
1866                             unsigned int *flags);
1867 
1868 /* op_helper.c */
1869 /* used for debug or cpu save/restore */
1870 
1871 /* cpu-exec.c */
1872 /* the following helpers are only usable in user mode simulation as
1873    they can trigger unexpected exceptions */
1874 void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
1875 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1876 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1877 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1878 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1879 
1880 /* you can call this signal handler from your SIGBUS and SIGSEGV
1881    signal handlers to inform the virtual CPU of exceptions. non zero
1882    is returned if the signal was handled by the virtual CPU.  */
1883 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1884                            void *puc);
1885 
1886 /* cpu.c */
1887 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1888                    uint32_t *eax, uint32_t *ebx,
1889                    uint32_t *ecx, uint32_t *edx);
1890 void cpu_clear_apic_feature(CPUX86State *env);
1891 void host_cpuid(uint32_t function, uint32_t count,
1892                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1893 void host_vendor_fms(char *vendor, int *family, int *model, int *stepping);
1894 
1895 /* helper.c */
1896 bool x86_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
1897                       MMUAccessType access_type, int mmu_idx,
1898                       bool probe, uintptr_t retaddr);
1899 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1900 
1901 #ifndef CONFIG_USER_ONLY
1902 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1903 {
1904     return !!attrs.secure;
1905 }
1906 
1907 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1908 {
1909     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1910 }
1911 
1912 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1913 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1914 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1915 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1916 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1917 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1918 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1919 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1920 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1921 #endif
1922 
1923 void breakpoint_handler(CPUState *cs);
1924 
1925 /* will be suppressed */
1926 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1927 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1928 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1929 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
1930 
1931 /* hw/pc.c */
1932 uint64_t cpu_get_tsc(CPUX86State *env);
1933 
1934 /* XXX: This value should match the one returned by CPUID
1935  * and in exec.c */
1936 # if defined(TARGET_X86_64)
1937 # define TCG_PHYS_ADDR_BITS 40
1938 # else
1939 # define TCG_PHYS_ADDR_BITS 36
1940 # endif
1941 
1942 #define PHYS_ADDR_MASK MAKE_64BIT_MASK(0, TCG_PHYS_ADDR_BITS)
1943 
1944 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
1945 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
1946 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
1947 
1948 #ifdef TARGET_X86_64
1949 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
1950 #else
1951 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
1952 #endif
1953 
1954 #define cpu_signal_handler cpu_x86_signal_handler
1955 #define cpu_list x86_cpu_list
1956 
1957 /* MMU modes definitions */
1958 #define MMU_KSMAP_IDX   0
1959 #define MMU_USER_IDX    1
1960 #define MMU_KNOSMAP_IDX 2
1961 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
1962 {
1963     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1964         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
1965         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1966 }
1967 
1968 static inline int cpu_mmu_index_kernel(CPUX86State *env)
1969 {
1970     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
1971         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
1972         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1973 }
1974 
1975 #define CC_DST  (env->cc_dst)
1976 #define CC_SRC  (env->cc_src)
1977 #define CC_SRC2 (env->cc_src2)
1978 #define CC_OP   (env->cc_op)
1979 
1980 /* n must be a constant to be efficient */
1981 static inline target_long lshift(target_long x, int n)
1982 {
1983     if (n >= 0) {
1984         return x << n;
1985     } else {
1986         return x >> (-n);
1987     }
1988 }
1989 
1990 /* float macros */
1991 #define FT0    (env->ft0)
1992 #define ST0    (env->fpregs[env->fpstt].d)
1993 #define ST(n)  (env->fpregs[(env->fpstt + (n)) & 7].d)
1994 #define ST1    ST(1)
1995 
1996 /* translate.c */
1997 void tcg_x86_init(void);
1998 
1999 typedef CPUX86State CPUArchState;
2000 typedef X86CPU ArchCPU;
2001 
2002 #include "exec/cpu-all.h"
2003 #include "svm.h"
2004 
2005 #if !defined(CONFIG_USER_ONLY)
2006 #include "hw/i386/apic.h"
2007 #endif
2008 
2009 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2010                                         target_ulong *cs_base, uint32_t *flags)
2011 {
2012     *cs_base = env->segs[R_CS].base;
2013     *pc = *cs_base + env->eip;
2014     *flags = env->hflags |
2015         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2016 }
2017 
2018 void do_cpu_init(X86CPU *cpu);
2019 void do_cpu_sipi(X86CPU *cpu);
2020 
2021 #define MCE_INJECT_BROADCAST    1
2022 #define MCE_INJECT_UNCOND_AO    2
2023 
2024 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2025                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2026                         uint64_t misc, int flags);
2027 
2028 /* excp_helper.c */
2029 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
2030 void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_index,
2031                                       uintptr_t retaddr);
2032 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
2033                                        int error_code);
2034 void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_index,
2035                                           int error_code, uintptr_t retaddr);
2036 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
2037                                    int error_code, int next_eip_addend);
2038 
2039 /* cc_helper.c */
2040 extern const uint8_t parity_table[256];
2041 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2042 
2043 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2044 {
2045     uint32_t eflags = env->eflags;
2046     if (tcg_enabled()) {
2047         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2048     }
2049     return eflags;
2050 }
2051 
2052 /* NOTE: the translator must set DisasContext.cc_op to CC_OP_EFLAGS
2053  * after generating a call to a helper that uses this.
2054  */
2055 static inline void cpu_load_eflags(CPUX86State *env, int eflags,
2056                                    int update_mask)
2057 {
2058     CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
2059     CC_OP = CC_OP_EFLAGS;
2060     env->df = 1 - (2 * ((eflags >> 10) & 1));
2061     env->eflags = (env->eflags & ~update_mask) |
2062         (eflags & update_mask) | 0x2;
2063 }
2064 
2065 /* load efer and update the corresponding hflags. XXX: do consistency
2066    checks with cpuid bits? */
2067 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
2068 {
2069     env->efer = val;
2070     env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
2071     if (env->efer & MSR_EFER_LMA) {
2072         env->hflags |= HF_LMA_MASK;
2073     }
2074     if (env->efer & MSR_EFER_SVME) {
2075         env->hflags |= HF_SVME_MASK;
2076     }
2077 }
2078 
2079 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2080 {
2081     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2082 }
2083 
2084 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2085 {
2086     if (env->hflags & HF_SMM_MASK) {
2087         return -1;
2088     } else {
2089         return env->a20_mask;
2090     }
2091 }
2092 
2093 static inline bool cpu_has_vmx(CPUX86State *env)
2094 {
2095     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2096 }
2097 
2098 /*
2099  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2100  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2101  * VMX operation. This is because CR4.VMXE is one of the bits set
2102  * in MSR_IA32_VMX_CR4_FIXED1.
2103  *
2104  * There is one exception to above statement when vCPU enters SMM mode.
2105  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2106  * may also reset CR4.VMXE during execution in SMM mode.
2107  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2108  * and CR4.VMXE is restored to it's original value of being set.
2109  *
2110  * Therefore, when vCPU is not in SMM mode, we can infer whether
2111  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2112  * know for certain.
2113  */
2114 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2115 {
2116     return cpu_has_vmx(env) &&
2117            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2118 }
2119 
2120 /* fpu_helper.c */
2121 void update_fp_status(CPUX86State *env);
2122 void update_mxcsr_status(CPUX86State *env);
2123 
2124 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2125 {
2126     env->mxcsr = mxcsr;
2127     if (tcg_enabled()) {
2128         update_mxcsr_status(env);
2129     }
2130 }
2131 
2132 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2133 {
2134      env->fpuc = fpuc;
2135      if (tcg_enabled()) {
2136         update_fp_status(env);
2137      }
2138 }
2139 
2140 /* mem_helper.c */
2141 void helper_lock_init(void);
2142 
2143 /* svm_helper.c */
2144 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2145                                    uint64_t param, uintptr_t retaddr);
2146 void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code,
2147                               uint64_t exit_info_1, uintptr_t retaddr);
2148 void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1);
2149 
2150 /* seg_helper.c */
2151 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
2152 
2153 /* smm_helper.c */
2154 void do_smm_enter(X86CPU *cpu);
2155 
2156 /* apic.c */
2157 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2158 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2159                                    TPRAccess access);
2160 
2161 
2162 /* Change the value of a KVM-specific default
2163  *
2164  * If value is NULL, no default will be set and the original
2165  * value from the CPU model table will be kept.
2166  *
2167  * It is valid to call this function only for properties that
2168  * are already present in the kvm_default_props table.
2169  */
2170 void x86_cpu_change_kvm_default(const char *prop, const char *value);
2171 
2172 /* Special values for X86CPUVersion: */
2173 
2174 /* Resolve to latest CPU version */
2175 #define CPU_VERSION_LATEST -1
2176 
2177 /*
2178  * Resolve to version defined by current machine type.
2179  * See x86_cpu_set_default_version()
2180  */
2181 #define CPU_VERSION_AUTO   -2
2182 
2183 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2184 #define CPU_VERSION_LEGACY  0
2185 
2186 typedef int X86CPUVersion;
2187 
2188 /*
2189  * Set default CPU model version for CPU models having
2190  * version == CPU_VERSION_AUTO.
2191  */
2192 void x86_cpu_set_default_version(X86CPUVersion version);
2193 
2194 /* Return name of 32-bit register, from a R_* constant */
2195 const char *get_register_name_32(unsigned int reg);
2196 
2197 void enable_compat_apic_id_mode(void);
2198 
2199 #define APIC_DEFAULT_ADDRESS 0xfee00000
2200 #define APIC_SPACE_SIZE      0x100000
2201 
2202 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2203 
2204 /* cpu.c */
2205 bool cpu_is_bsp(X86CPU *cpu);
2206 
2207 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf);
2208 void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf);
2209 void x86_update_hflags(CPUX86State* env);
2210 
2211 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2212 {
2213     return !!(cpu->hyperv_features & BIT(feat));
2214 }
2215 
2216 #endif /* I386_CPU_H */
2217