xref: /openbmc/qemu/target/i386/cpu.h (revision 729cc683)
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 
251 #define DR6_BD          (1 << 13)
252 #define DR6_BS          (1 << 14)
253 #define DR6_BT          (1 << 15)
254 #define DR6_FIXED_1     0xffff0ff0
255 
256 #define DR7_GD          (1 << 13)
257 #define DR7_TYPE_SHIFT  16
258 #define DR7_LEN_SHIFT   18
259 #define DR7_FIXED_1     0x00000400
260 #define DR7_GLOBAL_BP_MASK   0xaa
261 #define DR7_LOCAL_BP_MASK    0x55
262 #define DR7_MAX_BP           4
263 #define DR7_TYPE_BP_INST     0x0
264 #define DR7_TYPE_DATA_WR     0x1
265 #define DR7_TYPE_IO_RW       0x2
266 #define DR7_TYPE_DATA_RW     0x3
267 
268 #define PG_PRESENT_BIT  0
269 #define PG_RW_BIT       1
270 #define PG_USER_BIT     2
271 #define PG_PWT_BIT      3
272 #define PG_PCD_BIT      4
273 #define PG_ACCESSED_BIT 5
274 #define PG_DIRTY_BIT    6
275 #define PG_PSE_BIT      7
276 #define PG_GLOBAL_BIT   8
277 #define PG_PSE_PAT_BIT  12
278 #define PG_PKRU_BIT     59
279 #define PG_NX_BIT       63
280 
281 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
282 #define PG_RW_MASK       (1 << PG_RW_BIT)
283 #define PG_USER_MASK     (1 << PG_USER_BIT)
284 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
285 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
286 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
287 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
288 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
289 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
290 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
291 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
292 #define PG_HI_RSVD_MASK  (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK)
293 #define PG_HI_USER_MASK  0x7ff0000000000000LL
294 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
295 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
296 
297 #define PG_ERROR_W_BIT     1
298 
299 #define PG_ERROR_P_MASK    0x01
300 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
301 #define PG_ERROR_U_MASK    0x04
302 #define PG_ERROR_RSVD_MASK 0x08
303 #define PG_ERROR_I_D_MASK  0x10
304 #define PG_ERROR_PK_MASK   0x20
305 
306 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
307 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
308 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
309 
310 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
311 #define MCE_BANKS_DEF   10
312 
313 #define MCG_CAP_BANKS_MASK 0xff
314 
315 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
316 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
317 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
318 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
319 
320 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
321 
322 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
323 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
324 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
325 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
326 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
327 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
328 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
329 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
330 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
331 
332 /* MISC register defines */
333 #define MCM_ADDR_SEGOFF  0      /* segment offset */
334 #define MCM_ADDR_LINEAR  1      /* linear address */
335 #define MCM_ADDR_PHYS    2      /* physical address */
336 #define MCM_ADDR_MEM     3      /* memory address */
337 #define MCM_ADDR_GENERIC 7      /* generic */
338 
339 #define MSR_IA32_TSC                    0x10
340 #define MSR_IA32_APICBASE               0x1b
341 #define MSR_IA32_APICBASE_BSP           (1<<8)
342 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
343 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
344 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
345 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
346 #define MSR_TSC_ADJUST                  0x0000003b
347 #define MSR_IA32_SPEC_CTRL              0x48
348 #define MSR_VIRT_SSBD                   0xc001011f
349 #define MSR_IA32_PRED_CMD               0x49
350 #define MSR_IA32_UCODE_REV              0x8b
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_PERF_CAPABILITIES      0x345
357 
358 #define MSR_IA32_TSX_CTRL		0x122
359 #define MSR_IA32_TSCDEADLINE            0x6e0
360 
361 #define FEATURE_CONTROL_LOCKED                    (1<<0)
362 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
363 #define FEATURE_CONTROL_LMCE                      (1<<20)
364 
365 #define MSR_P6_PERFCTR0                 0xc1
366 
367 #define MSR_IA32_SMBASE                 0x9e
368 #define MSR_SMI_COUNT                   0x34
369 #define MSR_MTRRcap                     0xfe
370 #define MSR_MTRRcap_VCNT                8
371 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
372 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
373 
374 #define MSR_IA32_SYSENTER_CS            0x174
375 #define MSR_IA32_SYSENTER_ESP           0x175
376 #define MSR_IA32_SYSENTER_EIP           0x176
377 
378 #define MSR_MCG_CAP                     0x179
379 #define MSR_MCG_STATUS                  0x17a
380 #define MSR_MCG_CTL                     0x17b
381 #define MSR_MCG_EXT_CTL                 0x4d0
382 
383 #define MSR_P6_EVNTSEL0                 0x186
384 
385 #define MSR_IA32_PERF_STATUS            0x198
386 
387 #define MSR_IA32_MISC_ENABLE            0x1a0
388 /* Indicates good rep/movs microcode on some processors: */
389 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
390 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
391 
392 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
393 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
394 
395 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
396 
397 #define MSR_MTRRfix64K_00000            0x250
398 #define MSR_MTRRfix16K_80000            0x258
399 #define MSR_MTRRfix16K_A0000            0x259
400 #define MSR_MTRRfix4K_C0000             0x268
401 #define MSR_MTRRfix4K_C8000             0x269
402 #define MSR_MTRRfix4K_D0000             0x26a
403 #define MSR_MTRRfix4K_D8000             0x26b
404 #define MSR_MTRRfix4K_E0000             0x26c
405 #define MSR_MTRRfix4K_E8000             0x26d
406 #define MSR_MTRRfix4K_F0000             0x26e
407 #define MSR_MTRRfix4K_F8000             0x26f
408 
409 #define MSR_PAT                         0x277
410 
411 #define MSR_MTRRdefType                 0x2ff
412 
413 #define MSR_CORE_PERF_FIXED_CTR0        0x309
414 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
415 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
416 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
417 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
418 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
419 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
420 
421 #define MSR_MC0_CTL                     0x400
422 #define MSR_MC0_STATUS                  0x401
423 #define MSR_MC0_ADDR                    0x402
424 #define MSR_MC0_MISC                    0x403
425 
426 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
427 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
428 #define MSR_IA32_RTIT_CTL               0x570
429 #define MSR_IA32_RTIT_STATUS            0x571
430 #define MSR_IA32_RTIT_CR3_MATCH         0x572
431 #define MSR_IA32_RTIT_ADDR0_A           0x580
432 #define MSR_IA32_RTIT_ADDR0_B           0x581
433 #define MSR_IA32_RTIT_ADDR1_A           0x582
434 #define MSR_IA32_RTIT_ADDR1_B           0x583
435 #define MSR_IA32_RTIT_ADDR2_A           0x584
436 #define MSR_IA32_RTIT_ADDR2_B           0x585
437 #define MSR_IA32_RTIT_ADDR3_A           0x586
438 #define MSR_IA32_RTIT_ADDR3_B           0x587
439 #define MAX_RTIT_ADDRS                  8
440 
441 #define MSR_EFER                        0xc0000080
442 
443 #define MSR_EFER_SCE   (1 << 0)
444 #define MSR_EFER_LME   (1 << 8)
445 #define MSR_EFER_LMA   (1 << 10)
446 #define MSR_EFER_NXE   (1 << 11)
447 #define MSR_EFER_SVME  (1 << 12)
448 #define MSR_EFER_FFXSR (1 << 14)
449 
450 #define MSR_STAR                        0xc0000081
451 #define MSR_LSTAR                       0xc0000082
452 #define MSR_CSTAR                       0xc0000083
453 #define MSR_FMASK                       0xc0000084
454 #define MSR_FSBASE                      0xc0000100
455 #define MSR_GSBASE                      0xc0000101
456 #define MSR_KERNELGSBASE                0xc0000102
457 #define MSR_TSC_AUX                     0xc0000103
458 
459 #define MSR_VM_HSAVE_PA                 0xc0010117
460 
461 #define MSR_IA32_BNDCFGS                0x00000d90
462 #define MSR_IA32_XSS                    0x00000da0
463 #define MSR_IA32_UMWAIT_CONTROL         0xe1
464 
465 #define MSR_IA32_VMX_BASIC              0x00000480
466 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
467 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
468 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
469 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
470 #define MSR_IA32_VMX_MISC               0x00000485
471 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
472 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
473 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
474 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
475 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
476 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
477 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
478 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
479 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
480 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
481 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
482 #define MSR_IA32_VMX_VMFUNC             0x00000491
483 
484 #define XSTATE_FP_BIT                   0
485 #define XSTATE_SSE_BIT                  1
486 #define XSTATE_YMM_BIT                  2
487 #define XSTATE_BNDREGS_BIT              3
488 #define XSTATE_BNDCSR_BIT               4
489 #define XSTATE_OPMASK_BIT               5
490 #define XSTATE_ZMM_Hi256_BIT            6
491 #define XSTATE_Hi16_ZMM_BIT             7
492 #define XSTATE_PKRU_BIT                 9
493 
494 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
495 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
496 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
497 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
498 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
499 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
500 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
501 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
502 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
503 
504 /* CPUID feature words */
505 typedef enum FeatureWord {
506     FEAT_1_EDX,         /* CPUID[1].EDX */
507     FEAT_1_ECX,         /* CPUID[1].ECX */
508     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
509     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
510     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
511     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
512     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
513     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
514     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
515     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
516     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
517     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
518     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
519     FEAT_HYPERV_EAX,    /* CPUID[4000_0003].EAX */
520     FEAT_HYPERV_EBX,    /* CPUID[4000_0003].EBX */
521     FEAT_HYPERV_EDX,    /* CPUID[4000_0003].EDX */
522     FEAT_HV_RECOMM_EAX, /* CPUID[4000_0004].EAX */
523     FEAT_HV_NESTED_EAX, /* CPUID[4000_000A].EAX */
524     FEAT_SVM,           /* CPUID[8000_000A].EDX */
525     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
526     FEAT_6_EAX,         /* CPUID[6].EAX */
527     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
528     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
529     FEAT_ARCH_CAPABILITIES,
530     FEAT_CORE_CAPABILITY,
531     FEAT_PERF_CAPABILITIES,
532     FEAT_VMX_PROCBASED_CTLS,
533     FEAT_VMX_SECONDARY_CTLS,
534     FEAT_VMX_PINBASED_CTLS,
535     FEAT_VMX_EXIT_CTLS,
536     FEAT_VMX_ENTRY_CTLS,
537     FEAT_VMX_MISC,
538     FEAT_VMX_EPT_VPID_CAPS,
539     FEAT_VMX_BASIC,
540     FEAT_VMX_VMFUNC,
541     FEAT_14_0_ECX,
542     FEATURE_WORDS,
543 } FeatureWord;
544 
545 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
546 
547 /* cpuid_features bits */
548 #define CPUID_FP87 (1U << 0)
549 #define CPUID_VME  (1U << 1)
550 #define CPUID_DE   (1U << 2)
551 #define CPUID_PSE  (1U << 3)
552 #define CPUID_TSC  (1U << 4)
553 #define CPUID_MSR  (1U << 5)
554 #define CPUID_PAE  (1U << 6)
555 #define CPUID_MCE  (1U << 7)
556 #define CPUID_CX8  (1U << 8)
557 #define CPUID_APIC (1U << 9)
558 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
559 #define CPUID_MTRR (1U << 12)
560 #define CPUID_PGE  (1U << 13)
561 #define CPUID_MCA  (1U << 14)
562 #define CPUID_CMOV (1U << 15)
563 #define CPUID_PAT  (1U << 16)
564 #define CPUID_PSE36   (1U << 17)
565 #define CPUID_PN   (1U << 18)
566 #define CPUID_CLFLUSH (1U << 19)
567 #define CPUID_DTS (1U << 21)
568 #define CPUID_ACPI (1U << 22)
569 #define CPUID_MMX  (1U << 23)
570 #define CPUID_FXSR (1U << 24)
571 #define CPUID_SSE  (1U << 25)
572 #define CPUID_SSE2 (1U << 26)
573 #define CPUID_SS (1U << 27)
574 #define CPUID_HT (1U << 28)
575 #define CPUID_TM (1U << 29)
576 #define CPUID_IA64 (1U << 30)
577 #define CPUID_PBE (1U << 31)
578 
579 #define CPUID_EXT_SSE3     (1U << 0)
580 #define CPUID_EXT_PCLMULQDQ (1U << 1)
581 #define CPUID_EXT_DTES64   (1U << 2)
582 #define CPUID_EXT_MONITOR  (1U << 3)
583 #define CPUID_EXT_DSCPL    (1U << 4)
584 #define CPUID_EXT_VMX      (1U << 5)
585 #define CPUID_EXT_SMX      (1U << 6)
586 #define CPUID_EXT_EST      (1U << 7)
587 #define CPUID_EXT_TM2      (1U << 8)
588 #define CPUID_EXT_SSSE3    (1U << 9)
589 #define CPUID_EXT_CID      (1U << 10)
590 #define CPUID_EXT_FMA      (1U << 12)
591 #define CPUID_EXT_CX16     (1U << 13)
592 #define CPUID_EXT_XTPR     (1U << 14)
593 #define CPUID_EXT_PDCM     (1U << 15)
594 #define CPUID_EXT_PCID     (1U << 17)
595 #define CPUID_EXT_DCA      (1U << 18)
596 #define CPUID_EXT_SSE41    (1U << 19)
597 #define CPUID_EXT_SSE42    (1U << 20)
598 #define CPUID_EXT_X2APIC   (1U << 21)
599 #define CPUID_EXT_MOVBE    (1U << 22)
600 #define CPUID_EXT_POPCNT   (1U << 23)
601 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
602 #define CPUID_EXT_AES      (1U << 25)
603 #define CPUID_EXT_XSAVE    (1U << 26)
604 #define CPUID_EXT_OSXSAVE  (1U << 27)
605 #define CPUID_EXT_AVX      (1U << 28)
606 #define CPUID_EXT_F16C     (1U << 29)
607 #define CPUID_EXT_RDRAND   (1U << 30)
608 #define CPUID_EXT_HYPERVISOR  (1U << 31)
609 
610 #define CPUID_EXT2_FPU     (1U << 0)
611 #define CPUID_EXT2_VME     (1U << 1)
612 #define CPUID_EXT2_DE      (1U << 2)
613 #define CPUID_EXT2_PSE     (1U << 3)
614 #define CPUID_EXT2_TSC     (1U << 4)
615 #define CPUID_EXT2_MSR     (1U << 5)
616 #define CPUID_EXT2_PAE     (1U << 6)
617 #define CPUID_EXT2_MCE     (1U << 7)
618 #define CPUID_EXT2_CX8     (1U << 8)
619 #define CPUID_EXT2_APIC    (1U << 9)
620 #define CPUID_EXT2_SYSCALL (1U << 11)
621 #define CPUID_EXT2_MTRR    (1U << 12)
622 #define CPUID_EXT2_PGE     (1U << 13)
623 #define CPUID_EXT2_MCA     (1U << 14)
624 #define CPUID_EXT2_CMOV    (1U << 15)
625 #define CPUID_EXT2_PAT     (1U << 16)
626 #define CPUID_EXT2_PSE36   (1U << 17)
627 #define CPUID_EXT2_MP      (1U << 19)
628 #define CPUID_EXT2_NX      (1U << 20)
629 #define CPUID_EXT2_MMXEXT  (1U << 22)
630 #define CPUID_EXT2_MMX     (1U << 23)
631 #define CPUID_EXT2_FXSR    (1U << 24)
632 #define CPUID_EXT2_FFXSR   (1U << 25)
633 #define CPUID_EXT2_PDPE1GB (1U << 26)
634 #define CPUID_EXT2_RDTSCP  (1U << 27)
635 #define CPUID_EXT2_LM      (1U << 29)
636 #define CPUID_EXT2_3DNOWEXT (1U << 30)
637 #define CPUID_EXT2_3DNOW   (1U << 31)
638 
639 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
640 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
641                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
642                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
643                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
644                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
645                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
646                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
647                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
648                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
649 
650 #define CPUID_EXT3_LAHF_LM (1U << 0)
651 #define CPUID_EXT3_CMP_LEG (1U << 1)
652 #define CPUID_EXT3_SVM     (1U << 2)
653 #define CPUID_EXT3_EXTAPIC (1U << 3)
654 #define CPUID_EXT3_CR8LEG  (1U << 4)
655 #define CPUID_EXT3_ABM     (1U << 5)
656 #define CPUID_EXT3_SSE4A   (1U << 6)
657 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
658 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
659 #define CPUID_EXT3_OSVW    (1U << 9)
660 #define CPUID_EXT3_IBS     (1U << 10)
661 #define CPUID_EXT3_XOP     (1U << 11)
662 #define CPUID_EXT3_SKINIT  (1U << 12)
663 #define CPUID_EXT3_WDT     (1U << 13)
664 #define CPUID_EXT3_LWP     (1U << 15)
665 #define CPUID_EXT3_FMA4    (1U << 16)
666 #define CPUID_EXT3_TCE     (1U << 17)
667 #define CPUID_EXT3_NODEID  (1U << 19)
668 #define CPUID_EXT3_TBM     (1U << 21)
669 #define CPUID_EXT3_TOPOEXT (1U << 22)
670 #define CPUID_EXT3_PERFCORE (1U << 23)
671 #define CPUID_EXT3_PERFNB  (1U << 24)
672 
673 #define CPUID_SVM_NPT          (1U << 0)
674 #define CPUID_SVM_LBRV         (1U << 1)
675 #define CPUID_SVM_SVMLOCK      (1U << 2)
676 #define CPUID_SVM_NRIPSAVE     (1U << 3)
677 #define CPUID_SVM_TSCSCALE     (1U << 4)
678 #define CPUID_SVM_VMCBCLEAN    (1U << 5)
679 #define CPUID_SVM_FLUSHASID    (1U << 6)
680 #define CPUID_SVM_DECODEASSIST (1U << 7)
681 #define CPUID_SVM_PAUSEFILTER  (1U << 10)
682 #define CPUID_SVM_PFTHRESHOLD  (1U << 12)
683 
684 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
685 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
686 /* 1st Group of Advanced Bit Manipulation Extensions */
687 #define CPUID_7_0_EBX_BMI1              (1U << 3)
688 /* Hardware Lock Elision */
689 #define CPUID_7_0_EBX_HLE               (1U << 4)
690 /* Intel Advanced Vector Extensions 2 */
691 #define CPUID_7_0_EBX_AVX2              (1U << 5)
692 /* Supervisor-mode Execution Prevention */
693 #define CPUID_7_0_EBX_SMEP              (1U << 7)
694 /* 2nd Group of Advanced Bit Manipulation Extensions */
695 #define CPUID_7_0_EBX_BMI2              (1U << 8)
696 /* Enhanced REP MOVSB/STOSB */
697 #define CPUID_7_0_EBX_ERMS              (1U << 9)
698 /* Invalidate Process-Context Identifier */
699 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
700 /* Restricted Transactional Memory */
701 #define CPUID_7_0_EBX_RTM               (1U << 11)
702 /* Memory Protection Extension */
703 #define CPUID_7_0_EBX_MPX               (1U << 14)
704 /* AVX-512 Foundation */
705 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
706 /* AVX-512 Doubleword & Quadword Instruction */
707 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
708 /* Read Random SEED */
709 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
710 /* ADCX and ADOX instructions */
711 #define CPUID_7_0_EBX_ADX               (1U << 19)
712 /* Supervisor Mode Access Prevention */
713 #define CPUID_7_0_EBX_SMAP              (1U << 20)
714 /* AVX-512 Integer Fused Multiply Add */
715 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
716 /* Persistent Commit */
717 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
718 /* Flush a Cache Line Optimized */
719 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
720 /* Cache Line Write Back */
721 #define CPUID_7_0_EBX_CLWB              (1U << 24)
722 /* Intel Processor Trace */
723 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
724 /* AVX-512 Prefetch */
725 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
726 /* AVX-512 Exponential and Reciprocal */
727 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
728 /* AVX-512 Conflict Detection */
729 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
730 /* SHA1/SHA256 Instruction Extensions */
731 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
732 /* AVX-512 Byte and Word Instructions */
733 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
734 /* AVX-512 Vector Length Extensions */
735 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
736 
737 /* AVX-512 Vector Byte Manipulation Instruction */
738 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
739 /* User-Mode Instruction Prevention */
740 #define CPUID_7_0_ECX_UMIP              (1U << 2)
741 /* Protection Keys for User-mode Pages */
742 #define CPUID_7_0_ECX_PKU               (1U << 3)
743 /* OS Enable Protection Keys */
744 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
745 /* UMONITOR/UMWAIT/TPAUSE Instructions */
746 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
747 /* Additional AVX-512 Vector Byte Manipulation Instruction */
748 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
749 /* Galois Field New Instructions */
750 #define CPUID_7_0_ECX_GFNI              (1U << 8)
751 /* Vector AES Instructions */
752 #define CPUID_7_0_ECX_VAES              (1U << 9)
753 /* Carry-Less Multiplication Quadword */
754 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
755 /* Vector Neural Network Instructions */
756 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
757 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
758 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
759 /* POPCNT for vectors of DW/QW */
760 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
761 /* 5-level Page Tables */
762 #define CPUID_7_0_ECX_LA57              (1U << 16)
763 /* Read Processor ID */
764 #define CPUID_7_0_ECX_RDPID             (1U << 22)
765 /* Cache Line Demote Instruction */
766 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
767 /* Move Doubleword as Direct Store Instruction */
768 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
769 /* Move 64 Bytes as Direct Store Instruction */
770 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
771 
772 /* AVX512 Neural Network Instructions */
773 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
774 /* AVX512 Multiply Accumulation Single Precision */
775 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
776 /* Fast Short Rep Mov */
777 #define CPUID_7_0_EDX_FSRM              (1U << 4)
778 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
779 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
780 /* SERIALIZE instruction */
781 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
782 /* TSX Suspend Load Address Tracking instruction */
783 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
784 /* AVX512_FP16 instruction */
785 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
786 /* Speculation Control */
787 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
788 /* Single Thread Indirect Branch Predictors */
789 #define CPUID_7_0_EDX_STIBP             (1U << 27)
790 /* Arch Capabilities */
791 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
792 /* Core Capability */
793 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
794 /* Speculative Store Bypass Disable */
795 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
796 
797 /* AVX512 BFloat16 Instruction */
798 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
799 
800 /* Packets which contain IP payload have LIP values */
801 #define CPUID_14_0_ECX_LIP              (1U << 31)
802 
803 /* CLZERO instruction */
804 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
805 /* Always save/restore FP error pointers */
806 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
807 /* Write back and do not invalidate cache */
808 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
809 /* Indirect Branch Prediction Barrier */
810 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
811 /* Single Thread Indirect Branch Predictors */
812 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
813 
814 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
815 #define CPUID_XSAVE_XSAVEC     (1U << 1)
816 #define CPUID_XSAVE_XGETBV1    (1U << 2)
817 #define CPUID_XSAVE_XSAVES     (1U << 3)
818 
819 #define CPUID_6_EAX_ARAT       (1U << 2)
820 
821 /* CPUID[0x80000007].EDX flags: */
822 #define CPUID_APM_INVTSC       (1U << 8)
823 
824 #define CPUID_VENDOR_SZ      12
825 
826 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
827 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
828 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
829 #define CPUID_VENDOR_INTEL "GenuineIntel"
830 
831 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
832 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
833 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
834 #define CPUID_VENDOR_AMD   "AuthenticAMD"
835 
836 #define CPUID_VENDOR_VIA   "CentaurHauls"
837 
838 #define CPUID_VENDOR_HYGON    "HygonGenuine"
839 
840 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
841                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
842                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
843 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
844                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
845                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
846 
847 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
848 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
849 
850 /* CPUID[0xB].ECX level types */
851 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
852 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
853 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
854 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
855 
856 /* MSR Feature Bits */
857 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
858 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
859 #define MSR_ARCH_CAP_RSBA               (1U << 2)
860 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
861 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
862 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
863 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
864 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
865 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
866 
867 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
868 
869 /* VMX MSR features */
870 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
871 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
872 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
873 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
874 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
875 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
876 
877 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
878 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
879 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
880 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
881 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
882 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
883 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
884 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
885 
886 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
887 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
888 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
889 #define MSR_VMX_EPT_UC                               (1ULL << 8)
890 #define MSR_VMX_EPT_WB                               (1ULL << 14)
891 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
892 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
893 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
894 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
895 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
896 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
897 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
898 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
899 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
900 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
901 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
902 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
903 
904 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
905 
906 
907 /* VMX controls */
908 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
909 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
910 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
911 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
912 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
913 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
914 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
915 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
916 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
917 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
918 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
919 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
920 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
921 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
922 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
923 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
924 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
925 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
926 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
927 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
928 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
929 
930 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
931 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
932 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
933 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
934 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
935 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
936 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
937 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
938 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
939 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
940 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
941 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
942 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
943 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
944 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
945 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
946 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
947 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
948 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
949 
950 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
951 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
952 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
953 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
954 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
955 
956 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
957 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
958 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
959 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
960 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
961 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
962 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
963 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
964 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
965 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
966 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
967 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
968 
969 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
970 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
971 #define VMX_VM_ENTRY_SMM                            0x00000400
972 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
973 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
974 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
975 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
976 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
977 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
978 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
979 
980 /* Supported Hyper-V Enlightenments */
981 #define HYPERV_FEAT_RELAXED             0
982 #define HYPERV_FEAT_VAPIC               1
983 #define HYPERV_FEAT_TIME                2
984 #define HYPERV_FEAT_CRASH               3
985 #define HYPERV_FEAT_RESET               4
986 #define HYPERV_FEAT_VPINDEX             5
987 #define HYPERV_FEAT_RUNTIME             6
988 #define HYPERV_FEAT_SYNIC               7
989 #define HYPERV_FEAT_STIMER              8
990 #define HYPERV_FEAT_FREQUENCIES         9
991 #define HYPERV_FEAT_REENLIGHTENMENT     10
992 #define HYPERV_FEAT_TLBFLUSH            11
993 #define HYPERV_FEAT_EVMCS               12
994 #define HYPERV_FEAT_IPI                 13
995 #define HYPERV_FEAT_STIMER_DIRECT       14
996 
997 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
998 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
999 #endif
1000 
1001 #define EXCP00_DIVZ	0
1002 #define EXCP01_DB	1
1003 #define EXCP02_NMI	2
1004 #define EXCP03_INT3	3
1005 #define EXCP04_INTO	4
1006 #define EXCP05_BOUND	5
1007 #define EXCP06_ILLOP	6
1008 #define EXCP07_PREX	7
1009 #define EXCP08_DBLE	8
1010 #define EXCP09_XERR	9
1011 #define EXCP0A_TSS	10
1012 #define EXCP0B_NOSEG	11
1013 #define EXCP0C_STACK	12
1014 #define EXCP0D_GPF	13
1015 #define EXCP0E_PAGE	14
1016 #define EXCP10_COPR	16
1017 #define EXCP11_ALGN	17
1018 #define EXCP12_MCHK	18
1019 
1020 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1021 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1022 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1023 
1024 /* i386-specific interrupt pending bits.  */
1025 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1026 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1027 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1028 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1029 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1030 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1031 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1032 
1033 /* Use a clearer name for this.  */
1034 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1035 
1036 /* Instead of computing the condition codes after each x86 instruction,
1037  * QEMU just stores one operand (called CC_SRC), the result
1038  * (called CC_DST) and the type of operation (called CC_OP). When the
1039  * condition codes are needed, the condition codes can be calculated
1040  * using this information. Condition codes are not generated if they
1041  * are only needed for conditional branches.
1042  */
1043 typedef enum {
1044     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1045     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1046 
1047     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1048     CC_OP_MULW,
1049     CC_OP_MULL,
1050     CC_OP_MULQ,
1051 
1052     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1053     CC_OP_ADDW,
1054     CC_OP_ADDL,
1055     CC_OP_ADDQ,
1056 
1057     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1058     CC_OP_ADCW,
1059     CC_OP_ADCL,
1060     CC_OP_ADCQ,
1061 
1062     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1063     CC_OP_SUBW,
1064     CC_OP_SUBL,
1065     CC_OP_SUBQ,
1066 
1067     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1068     CC_OP_SBBW,
1069     CC_OP_SBBL,
1070     CC_OP_SBBQ,
1071 
1072     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1073     CC_OP_LOGICW,
1074     CC_OP_LOGICL,
1075     CC_OP_LOGICQ,
1076 
1077     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1078     CC_OP_INCW,
1079     CC_OP_INCL,
1080     CC_OP_INCQ,
1081 
1082     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1083     CC_OP_DECW,
1084     CC_OP_DECL,
1085     CC_OP_DECQ,
1086 
1087     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1088     CC_OP_SHLW,
1089     CC_OP_SHLL,
1090     CC_OP_SHLQ,
1091 
1092     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1093     CC_OP_SARW,
1094     CC_OP_SARL,
1095     CC_OP_SARQ,
1096 
1097     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1098     CC_OP_BMILGW,
1099     CC_OP_BMILGL,
1100     CC_OP_BMILGQ,
1101 
1102     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1103     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1104     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1105 
1106     CC_OP_CLR, /* Z set, all other flags clear.  */
1107     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1108 
1109     CC_OP_NB,
1110 } CCOp;
1111 
1112 typedef struct SegmentCache {
1113     uint32_t selector;
1114     target_ulong base;
1115     uint32_t limit;
1116     uint32_t flags;
1117 } SegmentCache;
1118 
1119 #define MMREG_UNION(n, bits)        \
1120     union n {                       \
1121         uint8_t  _b_##n[(bits)/8];  \
1122         uint16_t _w_##n[(bits)/16]; \
1123         uint32_t _l_##n[(bits)/32]; \
1124         uint64_t _q_##n[(bits)/64]; \
1125         float32  _s_##n[(bits)/32]; \
1126         float64  _d_##n[(bits)/64]; \
1127     }
1128 
1129 typedef union {
1130     uint8_t _b[16];
1131     uint16_t _w[8];
1132     uint32_t _l[4];
1133     uint64_t _q[2];
1134 } XMMReg;
1135 
1136 typedef union {
1137     uint8_t _b[32];
1138     uint16_t _w[16];
1139     uint32_t _l[8];
1140     uint64_t _q[4];
1141 } YMMReg;
1142 
1143 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1144 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1145 
1146 typedef struct BNDReg {
1147     uint64_t lb;
1148     uint64_t ub;
1149 } BNDReg;
1150 
1151 typedef struct BNDCSReg {
1152     uint64_t cfgu;
1153     uint64_t sts;
1154 } BNDCSReg;
1155 
1156 #define BNDCFG_ENABLE       1ULL
1157 #define BNDCFG_BNDPRESERVE  2ULL
1158 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1159 
1160 #ifdef HOST_WORDS_BIGENDIAN
1161 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1162 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1163 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1164 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1165 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1166 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1167 
1168 #define MMX_B(n) _b_MMXReg[7 - (n)]
1169 #define MMX_W(n) _w_MMXReg[3 - (n)]
1170 #define MMX_L(n) _l_MMXReg[1 - (n)]
1171 #define MMX_S(n) _s_MMXReg[1 - (n)]
1172 #else
1173 #define ZMM_B(n) _b_ZMMReg[n]
1174 #define ZMM_W(n) _w_ZMMReg[n]
1175 #define ZMM_L(n) _l_ZMMReg[n]
1176 #define ZMM_S(n) _s_ZMMReg[n]
1177 #define ZMM_Q(n) _q_ZMMReg[n]
1178 #define ZMM_D(n) _d_ZMMReg[n]
1179 
1180 #define MMX_B(n) _b_MMXReg[n]
1181 #define MMX_W(n) _w_MMXReg[n]
1182 #define MMX_L(n) _l_MMXReg[n]
1183 #define MMX_S(n) _s_MMXReg[n]
1184 #endif
1185 #define MMX_Q(n) _q_MMXReg[n]
1186 
1187 typedef union {
1188     floatx80 d __attribute__((aligned(16)));
1189     MMXReg mmx;
1190 } FPReg;
1191 
1192 typedef struct {
1193     uint64_t base;
1194     uint64_t mask;
1195 } MTRRVar;
1196 
1197 #define CPU_NB_REGS64 16
1198 #define CPU_NB_REGS32 8
1199 
1200 #ifdef TARGET_X86_64
1201 #define CPU_NB_REGS CPU_NB_REGS64
1202 #else
1203 #define CPU_NB_REGS CPU_NB_REGS32
1204 #endif
1205 
1206 #define MAX_FIXED_COUNTERS 3
1207 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1208 
1209 #define TARGET_INSN_START_EXTRA_WORDS 1
1210 
1211 #define NB_OPMASK_REGS 8
1212 
1213 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1214  * that APIC ID hasn't been set yet
1215  */
1216 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1217 
1218 typedef union X86LegacyXSaveArea {
1219     struct {
1220         uint16_t fcw;
1221         uint16_t fsw;
1222         uint8_t ftw;
1223         uint8_t reserved;
1224         uint16_t fpop;
1225         uint64_t fpip;
1226         uint64_t fpdp;
1227         uint32_t mxcsr;
1228         uint32_t mxcsr_mask;
1229         FPReg fpregs[8];
1230         uint8_t xmm_regs[16][16];
1231     };
1232     uint8_t data[512];
1233 } X86LegacyXSaveArea;
1234 
1235 typedef struct X86XSaveHeader {
1236     uint64_t xstate_bv;
1237     uint64_t xcomp_bv;
1238     uint64_t reserve0;
1239     uint8_t reserved[40];
1240 } X86XSaveHeader;
1241 
1242 /* Ext. save area 2: AVX State */
1243 typedef struct XSaveAVX {
1244     uint8_t ymmh[16][16];
1245 } XSaveAVX;
1246 
1247 /* Ext. save area 3: BNDREG */
1248 typedef struct XSaveBNDREG {
1249     BNDReg bnd_regs[4];
1250 } XSaveBNDREG;
1251 
1252 /* Ext. save area 4: BNDCSR */
1253 typedef union XSaveBNDCSR {
1254     BNDCSReg bndcsr;
1255     uint8_t data[64];
1256 } XSaveBNDCSR;
1257 
1258 /* Ext. save area 5: Opmask */
1259 typedef struct XSaveOpmask {
1260     uint64_t opmask_regs[NB_OPMASK_REGS];
1261 } XSaveOpmask;
1262 
1263 /* Ext. save area 6: ZMM_Hi256 */
1264 typedef struct XSaveZMM_Hi256 {
1265     uint8_t zmm_hi256[16][32];
1266 } XSaveZMM_Hi256;
1267 
1268 /* Ext. save area 7: Hi16_ZMM */
1269 typedef struct XSaveHi16_ZMM {
1270     uint8_t hi16_zmm[16][64];
1271 } XSaveHi16_ZMM;
1272 
1273 /* Ext. save area 9: PKRU state */
1274 typedef struct XSavePKRU {
1275     uint32_t pkru;
1276     uint32_t padding;
1277 } XSavePKRU;
1278 
1279 typedef struct X86XSaveArea {
1280     X86LegacyXSaveArea legacy;
1281     X86XSaveHeader header;
1282 
1283     /* Extended save areas: */
1284 
1285     /* AVX State: */
1286     XSaveAVX avx_state;
1287     uint8_t padding[960 - 576 - sizeof(XSaveAVX)];
1288     /* MPX State: */
1289     XSaveBNDREG bndreg_state;
1290     XSaveBNDCSR bndcsr_state;
1291     /* AVX-512 State: */
1292     XSaveOpmask opmask_state;
1293     XSaveZMM_Hi256 zmm_hi256_state;
1294     XSaveHi16_ZMM hi16_zmm_state;
1295     /* PKRU State: */
1296     XSavePKRU pkru_state;
1297 } X86XSaveArea;
1298 
1299 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240);
1300 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1301 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0);
1302 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1303 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400);
1304 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1305 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440);
1306 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1307 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480);
1308 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1309 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680);
1310 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1311 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80);
1312 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1313 
1314 typedef enum TPRAccess {
1315     TPR_ACCESS_READ,
1316     TPR_ACCESS_WRITE,
1317 } TPRAccess;
1318 
1319 /* Cache information data structures: */
1320 
1321 enum CacheType {
1322     DATA_CACHE,
1323     INSTRUCTION_CACHE,
1324     UNIFIED_CACHE
1325 };
1326 
1327 typedef struct CPUCacheInfo {
1328     enum CacheType type;
1329     uint8_t level;
1330     /* Size in bytes */
1331     uint32_t size;
1332     /* Line size, in bytes */
1333     uint16_t line_size;
1334     /*
1335      * Associativity.
1336      * Note: representation of fully-associative caches is not implemented
1337      */
1338     uint8_t associativity;
1339     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1340     uint8_t partitions;
1341     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1342     uint32_t sets;
1343     /*
1344      * Lines per tag.
1345      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1346      * (Is this synonym to @partitions?)
1347      */
1348     uint8_t lines_per_tag;
1349 
1350     /* Self-initializing cache */
1351     bool self_init;
1352     /*
1353      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1354      * non-originating threads sharing this cache.
1355      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1356      */
1357     bool no_invd_sharing;
1358     /*
1359      * Cache is inclusive of lower cache levels.
1360      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1361      */
1362     bool inclusive;
1363     /*
1364      * A complex function is used to index the cache, potentially using all
1365      * address bits.  CPUID[4].EDX[bit 2].
1366      */
1367     bool complex_indexing;
1368 } CPUCacheInfo;
1369 
1370 
1371 typedef struct CPUCaches {
1372         CPUCacheInfo *l1d_cache;
1373         CPUCacheInfo *l1i_cache;
1374         CPUCacheInfo *l2_cache;
1375         CPUCacheInfo *l3_cache;
1376 } CPUCaches;
1377 
1378 typedef struct HVFX86LazyFlags {
1379     target_ulong result;
1380     target_ulong auxbits;
1381 } HVFX86LazyFlags;
1382 
1383 typedef struct CPUX86State {
1384     /* standard registers */
1385     target_ulong regs[CPU_NB_REGS];
1386     target_ulong eip;
1387     target_ulong eflags; /* eflags register. During CPU emulation, CC
1388                         flags and DF are set to zero because they are
1389                         stored elsewhere */
1390 
1391     /* emulator internal eflags handling */
1392     target_ulong cc_dst;
1393     target_ulong cc_src;
1394     target_ulong cc_src2;
1395     uint32_t cc_op;
1396     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1397     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1398                         are known at translation time. */
1399     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1400 
1401     /* segments */
1402     SegmentCache segs[6]; /* selector values */
1403     SegmentCache ldt;
1404     SegmentCache tr;
1405     SegmentCache gdt; /* only base and limit are used */
1406     SegmentCache idt; /* only base and limit are used */
1407 
1408     target_ulong cr[5]; /* NOTE: cr1 is unused */
1409     int32_t a20_mask;
1410 
1411     BNDReg bnd_regs[4];
1412     BNDCSReg bndcs_regs;
1413     uint64_t msr_bndcfgs;
1414     uint64_t efer;
1415 
1416     /* Beginning of state preserved by INIT (dummy marker).  */
1417     struct {} start_init_save;
1418 
1419     /* FPU state */
1420     unsigned int fpstt; /* top of stack index */
1421     uint16_t fpus;
1422     uint16_t fpuc;
1423     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1424     FPReg fpregs[8];
1425     /* KVM-only so far */
1426     uint16_t fpop;
1427     uint64_t fpip;
1428     uint64_t fpdp;
1429 
1430     /* emulator internal variables */
1431     float_status fp_status;
1432     floatx80 ft0;
1433 
1434     float_status mmx_status; /* for 3DNow! float ops */
1435     float_status sse_status;
1436     uint32_t mxcsr;
1437     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1438     ZMMReg xmm_t0;
1439     MMXReg mmx_t0;
1440 
1441     XMMReg ymmh_regs[CPU_NB_REGS];
1442 
1443     uint64_t opmask_regs[NB_OPMASK_REGS];
1444     YMMReg zmmh_regs[CPU_NB_REGS];
1445     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1446 
1447     /* sysenter registers */
1448     uint32_t sysenter_cs;
1449     target_ulong sysenter_esp;
1450     target_ulong sysenter_eip;
1451     uint64_t star;
1452 
1453     uint64_t vm_hsave;
1454 
1455 #ifdef TARGET_X86_64
1456     target_ulong lstar;
1457     target_ulong cstar;
1458     target_ulong fmask;
1459     target_ulong kernelgsbase;
1460 #endif
1461 
1462     uint64_t tsc;
1463     uint64_t tsc_adjust;
1464     uint64_t tsc_deadline;
1465     uint64_t tsc_aux;
1466 
1467     uint64_t xcr0;
1468 
1469     uint64_t mcg_status;
1470     uint64_t msr_ia32_misc_enable;
1471     uint64_t msr_ia32_feature_control;
1472 
1473     uint64_t msr_fixed_ctr_ctrl;
1474     uint64_t msr_global_ctrl;
1475     uint64_t msr_global_status;
1476     uint64_t msr_global_ovf_ctrl;
1477     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1478     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1479     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1480 
1481     uint64_t pat;
1482     uint32_t smbase;
1483     uint64_t msr_smi_count;
1484 
1485     uint32_t pkru;
1486     uint32_t tsx_ctrl;
1487 
1488     uint64_t spec_ctrl;
1489     uint64_t virt_ssbd;
1490 
1491     /* End of state preserved by INIT (dummy marker).  */
1492     struct {} end_init_save;
1493 
1494     uint64_t system_time_msr;
1495     uint64_t wall_clock_msr;
1496     uint64_t steal_time_msr;
1497     uint64_t async_pf_en_msr;
1498     uint64_t async_pf_int_msr;
1499     uint64_t pv_eoi_en_msr;
1500     uint64_t poll_control_msr;
1501 
1502     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1503     uint64_t msr_hv_hypercall;
1504     uint64_t msr_hv_guest_os_id;
1505     uint64_t msr_hv_tsc;
1506 
1507     /* Per-VCPU HV MSRs */
1508     uint64_t msr_hv_vapic;
1509     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1510     uint64_t msr_hv_runtime;
1511     uint64_t msr_hv_synic_control;
1512     uint64_t msr_hv_synic_evt_page;
1513     uint64_t msr_hv_synic_msg_page;
1514     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1515     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1516     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1517     uint64_t msr_hv_reenlightenment_control;
1518     uint64_t msr_hv_tsc_emulation_control;
1519     uint64_t msr_hv_tsc_emulation_status;
1520 
1521     uint64_t msr_rtit_ctrl;
1522     uint64_t msr_rtit_status;
1523     uint64_t msr_rtit_output_base;
1524     uint64_t msr_rtit_output_mask;
1525     uint64_t msr_rtit_cr3_match;
1526     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1527 
1528     /* exception/interrupt handling */
1529     int error_code;
1530     int exception_is_int;
1531     target_ulong exception_next_eip;
1532     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1533     union {
1534         struct CPUBreakpoint *cpu_breakpoint[4];
1535         struct CPUWatchpoint *cpu_watchpoint[4];
1536     }; /* break/watchpoints for dr[0..3] */
1537     int old_exception;  /* exception in flight */
1538 
1539     uint64_t vm_vmcb;
1540     uint64_t tsc_offset;
1541     uint64_t intercept;
1542     uint16_t intercept_cr_read;
1543     uint16_t intercept_cr_write;
1544     uint16_t intercept_dr_read;
1545     uint16_t intercept_dr_write;
1546     uint32_t intercept_exceptions;
1547     uint64_t nested_cr3;
1548     uint32_t nested_pg_mode;
1549     uint8_t v_tpr;
1550 
1551     /* KVM states, automatically cleared on reset */
1552     uint8_t nmi_injected;
1553     uint8_t nmi_pending;
1554 
1555     uintptr_t retaddr;
1556 
1557     /* Fields up to this point are cleared by a CPU reset */
1558     struct {} end_reset_fields;
1559 
1560     /* Fields after this point are preserved across CPU reset. */
1561 
1562     /* processor features (e.g. for CPUID insn) */
1563     /* Minimum cpuid leaf 7 value */
1564     uint32_t cpuid_level_func7;
1565     /* Actual cpuid leaf 7 value */
1566     uint32_t cpuid_min_level_func7;
1567     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1568     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1569     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1570     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1571     /* Actual level/xlevel/xlevel2 value: */
1572     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1573     uint32_t cpuid_vendor1;
1574     uint32_t cpuid_vendor2;
1575     uint32_t cpuid_vendor3;
1576     uint32_t cpuid_version;
1577     FeatureWordArray features;
1578     /* Features that were explicitly enabled/disabled */
1579     FeatureWordArray user_features;
1580     uint32_t cpuid_model[12];
1581     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1582      * on each CPUID leaf will be different, because we keep compatibility
1583      * with old QEMU versions.
1584      */
1585     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1586 
1587     /* MTRRs */
1588     uint64_t mtrr_fixed[11];
1589     uint64_t mtrr_deftype;
1590     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1591 
1592     /* For KVM */
1593     uint32_t mp_state;
1594     int32_t exception_nr;
1595     int32_t interrupt_injected;
1596     uint8_t soft_interrupt;
1597     uint8_t exception_pending;
1598     uint8_t exception_injected;
1599     uint8_t has_error_code;
1600     uint8_t exception_has_payload;
1601     uint64_t exception_payload;
1602     uint32_t ins_len;
1603     uint32_t sipi_vector;
1604     bool tsc_valid;
1605     int64_t tsc_khz;
1606     int64_t user_tsc_khz; /* for sanity check only */
1607     uint64_t apic_bus_freq;
1608 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1609     void *xsave_buf;
1610 #endif
1611 #if defined(CONFIG_KVM)
1612     struct kvm_nested_state *nested_state;
1613 #endif
1614 #if defined(CONFIG_HVF)
1615     HVFX86LazyFlags hvf_lflags;
1616     void *hvf_mmio_buf;
1617 #endif
1618 
1619     uint64_t mcg_cap;
1620     uint64_t mcg_ctl;
1621     uint64_t mcg_ext_ctl;
1622     uint64_t mce_banks[MCE_BANKS_DEF*4];
1623     uint64_t xstate_bv;
1624 
1625     /* vmstate */
1626     uint16_t fpus_vmstate;
1627     uint16_t fptag_vmstate;
1628     uint16_t fpregs_format_vmstate;
1629 
1630     uint64_t xss;
1631     uint32_t umwait;
1632 
1633     TPRAccess tpr_access_type;
1634 
1635     unsigned nr_dies;
1636 } CPUX86State;
1637 
1638 struct kvm_msrs;
1639 
1640 /**
1641  * X86CPU:
1642  * @env: #CPUX86State
1643  * @migratable: If set, only migratable flags will be accepted when "enforce"
1644  * mode is used, and only migratable flags will be included in the "host"
1645  * CPU model.
1646  *
1647  * An x86 CPU.
1648  */
1649 struct X86CPU {
1650     /*< private >*/
1651     CPUState parent_obj;
1652     /*< public >*/
1653 
1654     CPUNegativeOffsetState neg;
1655     CPUX86State env;
1656     VMChangeStateEntry *vmsentry;
1657 
1658     uint64_t ucode_rev;
1659 
1660     uint32_t hyperv_spinlock_attempts;
1661     char *hyperv_vendor;
1662     bool hyperv_synic_kvm_only;
1663     uint64_t hyperv_features;
1664     bool hyperv_passthrough;
1665     OnOffAuto hyperv_no_nonarch_cs;
1666     uint32_t hyperv_vendor_id[3];
1667     uint32_t hyperv_interface_id[4];
1668     uint32_t hyperv_version_id[4];
1669     uint32_t hyperv_limits[3];
1670 
1671     bool check_cpuid;
1672     bool enforce_cpuid;
1673     /*
1674      * Force features to be enabled even if the host doesn't support them.
1675      * This is dangerous and should be done only for testing CPUID
1676      * compatibility.
1677      */
1678     bool force_features;
1679     bool expose_kvm;
1680     bool expose_tcg;
1681     bool migratable;
1682     bool migrate_smi_count;
1683     bool max_features; /* Enable all supported features automatically */
1684     uint32_t apic_id;
1685 
1686     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1687      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1688     bool vmware_cpuid_freq;
1689 
1690     /* if true the CPUID code directly forward host cache leaves to the guest */
1691     bool cache_info_passthrough;
1692 
1693     /* if true the CPUID code directly forwards
1694      * host monitor/mwait leaves to the guest */
1695     struct {
1696         uint32_t eax;
1697         uint32_t ebx;
1698         uint32_t ecx;
1699         uint32_t edx;
1700     } mwait;
1701 
1702     /* Features that were filtered out because of missing host capabilities */
1703     FeatureWordArray filtered_features;
1704 
1705     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1706      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1707      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1708      * capabilities) directly to the guest.
1709      */
1710     bool enable_pmu;
1711 
1712     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1713      * disabled by default to avoid breaking migration between QEMU with
1714      * different LMCE configurations.
1715      */
1716     bool enable_lmce;
1717 
1718     /* Compatibility bits for old machine types.
1719      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1720      * socket share an virtual l3 cache.
1721      */
1722     bool enable_l3_cache;
1723 
1724     /* Compatibility bits for old machine types.
1725      * If true present the old cache topology information
1726      */
1727     bool legacy_cache;
1728 
1729     /* Compatibility bits for old machine types: */
1730     bool enable_cpuid_0xb;
1731 
1732     /* Enable auto level-increase for all CPUID leaves */
1733     bool full_cpuid_auto_level;
1734 
1735     /* Enable auto level-increase for Intel Processor Trace leave */
1736     bool intel_pt_auto_level;
1737 
1738     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1739     bool fill_mtrr_mask;
1740 
1741     /* if true override the phys_bits value with a value read from the host */
1742     bool host_phys_bits;
1743 
1744     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1745     uint8_t host_phys_bits_limit;
1746 
1747     /* Stop SMI delivery for migration compatibility with old machines */
1748     bool kvm_no_smi_migration;
1749 
1750     /* Number of physical address bits supported */
1751     uint32_t phys_bits;
1752 
1753     /* in order to simplify APIC support, we leave this pointer to the
1754        user */
1755     struct DeviceState *apic_state;
1756     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1757     Notifier machine_done;
1758 
1759     struct kvm_msrs *kvm_msr_buf;
1760 
1761     int32_t node_id; /* NUMA node this CPU belongs to */
1762     int32_t socket_id;
1763     int32_t die_id;
1764     int32_t core_id;
1765     int32_t thread_id;
1766 
1767     int32_t hv_max_vps;
1768 };
1769 
1770 
1771 #ifndef CONFIG_USER_ONLY
1772 extern VMStateDescription vmstate_x86_cpu;
1773 #endif
1774 
1775 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1776 
1777 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1778                              int cpuid, void *opaque);
1779 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1780                              int cpuid, void *opaque);
1781 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1782                                  void *opaque);
1783 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1784                                  void *opaque);
1785 
1786 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1787                                 Error **errp);
1788 
1789 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1790 
1791 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1792                                          MemTxAttrs *attrs);
1793 
1794 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1795 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1796 
1797 void x86_cpu_list(void);
1798 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1799 
1800 int cpu_get_pic_interrupt(CPUX86State *s);
1801 /* MSDOS compatibility mode FPU exception support */
1802 void x86_register_ferr_irq(qemu_irq irq);
1803 void cpu_set_ignne(void);
1804 /* mpx_helper.c */
1805 void cpu_sync_bndcs_hflags(CPUX86State *env);
1806 
1807 /* this function must always be used to load data in the segment
1808    cache: it synchronizes the hflags with the segment cache values */
1809 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1810                                           int seg_reg, unsigned int selector,
1811                                           target_ulong base,
1812                                           unsigned int limit,
1813                                           unsigned int flags)
1814 {
1815     SegmentCache *sc;
1816     unsigned int new_hflags;
1817 
1818     sc = &env->segs[seg_reg];
1819     sc->selector = selector;
1820     sc->base = base;
1821     sc->limit = limit;
1822     sc->flags = flags;
1823 
1824     /* update the hidden flags */
1825     {
1826         if (seg_reg == R_CS) {
1827 #ifdef TARGET_X86_64
1828             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1829                 /* long mode */
1830                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1831                 env->hflags &= ~(HF_ADDSEG_MASK);
1832             } else
1833 #endif
1834             {
1835                 /* legacy / compatibility case */
1836                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1837                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1838                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1839                     new_hflags;
1840             }
1841         }
1842         if (seg_reg == R_SS) {
1843             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1844 #if HF_CPL_MASK != 3
1845 #error HF_CPL_MASK is hardcoded
1846 #endif
1847             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1848             /* Possibly switch between BNDCFGS and BNDCFGU */
1849             cpu_sync_bndcs_hflags(env);
1850         }
1851         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1852             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1853         if (env->hflags & HF_CS64_MASK) {
1854             /* zero base assumed for DS, ES and SS in long mode */
1855         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1856                    (env->eflags & VM_MASK) ||
1857                    !(env->hflags & HF_CS32_MASK)) {
1858             /* XXX: try to avoid this test. The problem comes from the
1859                fact that is real mode or vm86 mode we only modify the
1860                'base' and 'selector' fields of the segment cache to go
1861                faster. A solution may be to force addseg to one in
1862                translate-i386.c. */
1863             new_hflags |= HF_ADDSEG_MASK;
1864         } else {
1865             new_hflags |= ((env->segs[R_DS].base |
1866                             env->segs[R_ES].base |
1867                             env->segs[R_SS].base) != 0) <<
1868                 HF_ADDSEG_SHIFT;
1869         }
1870         env->hflags = (env->hflags &
1871                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1872     }
1873 }
1874 
1875 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1876                                                uint8_t sipi_vector)
1877 {
1878     CPUState *cs = CPU(cpu);
1879     CPUX86State *env = &cpu->env;
1880 
1881     env->eip = 0;
1882     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1883                            sipi_vector << 12,
1884                            env->segs[R_CS].limit,
1885                            env->segs[R_CS].flags);
1886     cs->halted = 0;
1887 }
1888 
1889 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1890                             target_ulong *base, unsigned int *limit,
1891                             unsigned int *flags);
1892 
1893 /* op_helper.c */
1894 /* used for debug or cpu save/restore */
1895 
1896 /* cpu-exec.c */
1897 /* the following helpers are only usable in user mode simulation as
1898    they can trigger unexpected exceptions */
1899 void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
1900 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1901 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1902 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1903 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1904 
1905 /* you can call this signal handler from your SIGBUS and SIGSEGV
1906    signal handlers to inform the virtual CPU of exceptions. non zero
1907    is returned if the signal was handled by the virtual CPU.  */
1908 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1909                            void *puc);
1910 
1911 /* cpu.c */
1912 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1913                    uint32_t *eax, uint32_t *ebx,
1914                    uint32_t *ecx, uint32_t *edx);
1915 void cpu_clear_apic_feature(CPUX86State *env);
1916 void host_cpuid(uint32_t function, uint32_t count,
1917                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1918 void host_vendor_fms(char *vendor, int *family, int *model, int *stepping);
1919 
1920 /* helper.c */
1921 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1922 
1923 #ifndef CONFIG_USER_ONLY
1924 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1925 {
1926     return !!attrs.secure;
1927 }
1928 
1929 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1930 {
1931     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1932 }
1933 
1934 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1935 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1936 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1937 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1938 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1939 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1940 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1941 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1942 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1943 #endif
1944 
1945 /* will be suppressed */
1946 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1947 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1948 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1949 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
1950 
1951 /* hw/pc.c */
1952 uint64_t cpu_get_tsc(CPUX86State *env);
1953 
1954 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
1955 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
1956 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
1957 
1958 #ifdef TARGET_X86_64
1959 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
1960 #else
1961 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
1962 #endif
1963 
1964 #define cpu_signal_handler cpu_x86_signal_handler
1965 #define cpu_list x86_cpu_list
1966 
1967 /* MMU modes definitions */
1968 #define MMU_KSMAP_IDX   0
1969 #define MMU_USER_IDX    1
1970 #define MMU_KNOSMAP_IDX 2
1971 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
1972 {
1973     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1974         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
1975         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1976 }
1977 
1978 static inline int cpu_mmu_index_kernel(CPUX86State *env)
1979 {
1980     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
1981         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
1982         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1983 }
1984 
1985 #define CC_DST  (env->cc_dst)
1986 #define CC_SRC  (env->cc_src)
1987 #define CC_SRC2 (env->cc_src2)
1988 #define CC_OP   (env->cc_op)
1989 
1990 typedef CPUX86State CPUArchState;
1991 typedef X86CPU ArchCPU;
1992 
1993 #include "exec/cpu-all.h"
1994 #include "svm.h"
1995 
1996 #if !defined(CONFIG_USER_ONLY)
1997 #include "hw/i386/apic.h"
1998 #endif
1999 
2000 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2001                                         target_ulong *cs_base, uint32_t *flags)
2002 {
2003     *cs_base = env->segs[R_CS].base;
2004     *pc = *cs_base + env->eip;
2005     *flags = env->hflags |
2006         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2007 }
2008 
2009 void do_cpu_init(X86CPU *cpu);
2010 void do_cpu_sipi(X86CPU *cpu);
2011 
2012 #define MCE_INJECT_BROADCAST    1
2013 #define MCE_INJECT_UNCOND_AO    2
2014 
2015 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2016                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2017                         uint64_t misc, int flags);
2018 
2019 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2020 
2021 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2022 {
2023     uint32_t eflags = env->eflags;
2024     if (tcg_enabled()) {
2025         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2026     }
2027     return eflags;
2028 }
2029 
2030 
2031 /* load efer and update the corresponding hflags. XXX: do consistency
2032    checks with cpuid bits? */
2033 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
2034 {
2035     env->efer = val;
2036     env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
2037     if (env->efer & MSR_EFER_LMA) {
2038         env->hflags |= HF_LMA_MASK;
2039     }
2040     if (env->efer & MSR_EFER_SVME) {
2041         env->hflags |= HF_SVME_MASK;
2042     }
2043 }
2044 
2045 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2046 {
2047     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2048 }
2049 
2050 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2051 {
2052     if (env->hflags & HF_SMM_MASK) {
2053         return -1;
2054     } else {
2055         return env->a20_mask;
2056     }
2057 }
2058 
2059 static inline bool cpu_has_vmx(CPUX86State *env)
2060 {
2061     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2062 }
2063 
2064 static inline bool cpu_has_svm(CPUX86State *env)
2065 {
2066     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2067 }
2068 
2069 /*
2070  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2071  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2072  * VMX operation. This is because CR4.VMXE is one of the bits set
2073  * in MSR_IA32_VMX_CR4_FIXED1.
2074  *
2075  * There is one exception to above statement when vCPU enters SMM mode.
2076  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2077  * may also reset CR4.VMXE during execution in SMM mode.
2078  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2079  * and CR4.VMXE is restored to it's original value of being set.
2080  *
2081  * Therefore, when vCPU is not in SMM mode, we can infer whether
2082  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2083  * know for certain.
2084  */
2085 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2086 {
2087     return cpu_has_vmx(env) &&
2088            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2089 }
2090 
2091 /* fpu_helper.c */
2092 void update_fp_status(CPUX86State *env);
2093 void update_mxcsr_status(CPUX86State *env);
2094 void update_mxcsr_from_sse_status(CPUX86State *env);
2095 
2096 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2097 {
2098     env->mxcsr = mxcsr;
2099     if (tcg_enabled()) {
2100         update_mxcsr_status(env);
2101     }
2102 }
2103 
2104 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2105 {
2106      env->fpuc = fpuc;
2107      if (tcg_enabled()) {
2108         update_fp_status(env);
2109      }
2110 }
2111 
2112 /* mem_helper.c */
2113 void helper_lock_init(void);
2114 
2115 /* svm_helper.c */
2116 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2117                                    uint64_t param, uintptr_t retaddr);
2118 /* apic.c */
2119 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2120 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2121                                    TPRAccess access);
2122 
2123 
2124 /* Change the value of a KVM-specific default
2125  *
2126  * If value is NULL, no default will be set and the original
2127  * value from the CPU model table will be kept.
2128  *
2129  * It is valid to call this function only for properties that
2130  * are already present in the kvm_default_props table.
2131  */
2132 void x86_cpu_change_kvm_default(const char *prop, const char *value);
2133 
2134 /* Special values for X86CPUVersion: */
2135 
2136 /* Resolve to latest CPU version */
2137 #define CPU_VERSION_LATEST -1
2138 
2139 /*
2140  * Resolve to version defined by current machine type.
2141  * See x86_cpu_set_default_version()
2142  */
2143 #define CPU_VERSION_AUTO   -2
2144 
2145 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2146 #define CPU_VERSION_LEGACY  0
2147 
2148 typedef int X86CPUVersion;
2149 
2150 /*
2151  * Set default CPU model version for CPU models having
2152  * version == CPU_VERSION_AUTO.
2153  */
2154 void x86_cpu_set_default_version(X86CPUVersion version);
2155 
2156 #define APIC_DEFAULT_ADDRESS 0xfee00000
2157 #define APIC_SPACE_SIZE      0x100000
2158 
2159 /* cpu-dump.c */
2160 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2161 
2162 /* cpu.c */
2163 bool cpu_is_bsp(X86CPU *cpu);
2164 
2165 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf);
2166 void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf);
2167 void x86_update_hflags(CPUX86State* env);
2168 
2169 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2170 {
2171     return !!(cpu->hyperv_features & BIT(feat));
2172 }
2173 
2174 #if defined(TARGET_X86_64) && \
2175     defined(CONFIG_USER_ONLY) && \
2176     defined(CONFIG_LINUX)
2177 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2178 #endif
2179 
2180 #endif /* I386_CPU_H */
2181