xref: /openbmc/qemu/target/i386/cpu.h (revision 83a3a20e)
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 "hw/i386/topology.h"
28 #include "qapi/qapi-types-common.h"
29 #include "qemu/cpu-float.h"
30 #include "qemu/timer.h"
31 
32 #define XEN_NR_VIRQS 24
33 
34 #define KVM_HAVE_MCE_INJECTION 1
35 
36 /* support for self modifying code even if the modified instruction is
37    close to the modifying instruction */
38 #define TARGET_HAS_PRECISE_SMC
39 
40 #ifdef TARGET_X86_64
41 #define I386_ELF_MACHINE  EM_X86_64
42 #define ELF_MACHINE_UNAME "x86_64"
43 #else
44 #define I386_ELF_MACHINE  EM_386
45 #define ELF_MACHINE_UNAME "i686"
46 #endif
47 
48 enum {
49     R_EAX = 0,
50     R_ECX = 1,
51     R_EDX = 2,
52     R_EBX = 3,
53     R_ESP = 4,
54     R_EBP = 5,
55     R_ESI = 6,
56     R_EDI = 7,
57     R_R8 = 8,
58     R_R9 = 9,
59     R_R10 = 10,
60     R_R11 = 11,
61     R_R12 = 12,
62     R_R13 = 13,
63     R_R14 = 14,
64     R_R15 = 15,
65 
66     R_AL = 0,
67     R_CL = 1,
68     R_DL = 2,
69     R_BL = 3,
70     R_AH = 4,
71     R_CH = 5,
72     R_DH = 6,
73     R_BH = 7,
74 };
75 
76 typedef enum X86Seg {
77     R_ES = 0,
78     R_CS = 1,
79     R_SS = 2,
80     R_DS = 3,
81     R_FS = 4,
82     R_GS = 5,
83     R_LDTR = 6,
84     R_TR = 7,
85 } X86Seg;
86 
87 /* segment descriptor fields */
88 #define DESC_G_SHIFT    23
89 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
90 #define DESC_B_SHIFT    22
91 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
92 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
93 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
94 #define DESC_AVL_SHIFT  20
95 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
96 #define DESC_P_SHIFT    15
97 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
98 #define DESC_DPL_SHIFT  13
99 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
100 #define DESC_S_SHIFT    12
101 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
102 #define DESC_TYPE_SHIFT 8
103 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
104 #define DESC_A_MASK     (1 << 8)
105 
106 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
107 #define DESC_C_MASK     (1 << 10) /* code: conforming */
108 #define DESC_R_MASK     (1 << 9)  /* code: readable */
109 
110 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
111 #define DESC_W_MASK     (1 << 9)  /* data: writable */
112 
113 #define DESC_TSS_BUSY_MASK (1 << 9)
114 
115 /* eflags masks */
116 #define CC_C    0x0001
117 #define CC_P    0x0004
118 #define CC_A    0x0010
119 #define CC_Z    0x0040
120 #define CC_S    0x0080
121 #define CC_O    0x0800
122 
123 #define TF_SHIFT   8
124 #define IOPL_SHIFT 12
125 #define VM_SHIFT   17
126 
127 #define TF_MASK                 0x00000100
128 #define IF_MASK                 0x00000200
129 #define DF_MASK                 0x00000400
130 #define IOPL_MASK               0x00003000
131 #define NT_MASK                 0x00004000
132 #define RF_MASK                 0x00010000
133 #define VM_MASK                 0x00020000
134 #define AC_MASK                 0x00040000
135 #define VIF_MASK                0x00080000
136 #define VIP_MASK                0x00100000
137 #define ID_MASK                 0x00200000
138 
139 /* hidden flags - used internally by qemu to represent additional cpu
140    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
141    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
142    positions to ease oring with eflags. */
143 /* current cpl */
144 #define HF_CPL_SHIFT         0
145 /* true if hardware interrupts must be disabled for next instruction */
146 #define HF_INHIBIT_IRQ_SHIFT 3
147 /* 16 or 32 segments */
148 #define HF_CS32_SHIFT        4
149 #define HF_SS32_SHIFT        5
150 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
151 #define HF_ADDSEG_SHIFT      6
152 /* copy of CR0.PE (protected mode) */
153 #define HF_PE_SHIFT          7
154 #define HF_TF_SHIFT          8 /* must be same as eflags */
155 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
156 #define HF_EM_SHIFT         10
157 #define HF_TS_SHIFT         11
158 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
159 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
160 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
161 #define HF_RF_SHIFT         16 /* must be same as eflags */
162 #define HF_VM_SHIFT         17 /* must be same as eflags */
163 #define HF_AC_SHIFT         18 /* must be same as eflags */
164 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
165 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
166 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
167 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
168 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
169 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
170 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
171 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
172 #define HF_UMIP_SHIFT       27 /* CR4.UMIP */
173 #define HF_AVX_EN_SHIFT     28 /* AVX Enabled (CR4+XCR0) */
174 
175 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
176 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
177 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
178 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
179 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
180 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
181 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
182 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
183 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
184 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
185 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
186 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
187 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
188 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
189 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
190 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
191 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
192 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
193 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
194 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
195 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
196 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
197 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
198 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
199 #define HF_UMIP_MASK         (1 << HF_UMIP_SHIFT)
200 #define HF_AVX_EN_MASK       (1 << HF_AVX_EN_SHIFT)
201 
202 /* hflags2 */
203 
204 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
205 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
206 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
207 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
208 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
209 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
210 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
211 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
212 #define HF2_VGIF_SHIFT           8 /* Can take VIRQ*/
213 
214 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
215 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
216 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
217 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
218 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
219 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
220 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
221 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
222 #define HF2_VGIF_MASK           (1 << HF2_VGIF_SHIFT)
223 
224 #define CR0_PE_SHIFT 0
225 #define CR0_MP_SHIFT 1
226 
227 #define CR0_PE_MASK  (1U << 0)
228 #define CR0_MP_MASK  (1U << 1)
229 #define CR0_EM_MASK  (1U << 2)
230 #define CR0_TS_MASK  (1U << 3)
231 #define CR0_ET_MASK  (1U << 4)
232 #define CR0_NE_MASK  (1U << 5)
233 #define CR0_WP_MASK  (1U << 16)
234 #define CR0_AM_MASK  (1U << 18)
235 #define CR0_NW_MASK  (1U << 29)
236 #define CR0_CD_MASK  (1U << 30)
237 #define CR0_PG_MASK  (1U << 31)
238 
239 #define CR4_VME_MASK  (1U << 0)
240 #define CR4_PVI_MASK  (1U << 1)
241 #define CR4_TSD_MASK  (1U << 2)
242 #define CR4_DE_MASK   (1U << 3)
243 #define CR4_PSE_MASK  (1U << 4)
244 #define CR4_PAE_MASK  (1U << 5)
245 #define CR4_MCE_MASK  (1U << 6)
246 #define CR4_PGE_MASK  (1U << 7)
247 #define CR4_PCE_MASK  (1U << 8)
248 #define CR4_OSFXSR_SHIFT 9
249 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
250 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
251 #define CR4_UMIP_MASK   (1U << 11)
252 #define CR4_LA57_MASK   (1U << 12)
253 #define CR4_VMXE_MASK   (1U << 13)
254 #define CR4_SMXE_MASK   (1U << 14)
255 #define CR4_FSGSBASE_MASK (1U << 16)
256 #define CR4_PCIDE_MASK  (1U << 17)
257 #define CR4_OSXSAVE_MASK (1U << 18)
258 #define CR4_SMEP_MASK   (1U << 20)
259 #define CR4_SMAP_MASK   (1U << 21)
260 #define CR4_PKE_MASK   (1U << 22)
261 #define CR4_PKS_MASK   (1U << 24)
262 #define CR4_LAM_SUP_MASK (1U << 28)
263 
264 #ifdef TARGET_X86_64
265 #define CR4_FRED_MASK   (1ULL << 32)
266 #else
267 #define CR4_FRED_MASK   0
268 #endif
269 
270 #ifdef TARGET_X86_64
271 #define CR4_FRED_MASK   (1ULL << 32)
272 #else
273 #define CR4_FRED_MASK   0
274 #endif
275 
276 #define CR4_RESERVED_MASK \
277 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
278                 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
279                 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
280                 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK | CR4_UMIP_MASK \
281                 | CR4_LA57_MASK \
282                 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
283                 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK \
284                 | CR4_LAM_SUP_MASK | CR4_FRED_MASK))
285 
286 #define DR6_BD          (1 << 13)
287 #define DR6_BS          (1 << 14)
288 #define DR6_BT          (1 << 15)
289 #define DR6_FIXED_1     0xffff0ff0
290 
291 #define DR7_GD          (1 << 13)
292 #define DR7_TYPE_SHIFT  16
293 #define DR7_LEN_SHIFT   18
294 #define DR7_FIXED_1     0x00000400
295 #define DR7_GLOBAL_BP_MASK   0xaa
296 #define DR7_LOCAL_BP_MASK    0x55
297 #define DR7_MAX_BP           4
298 #define DR7_TYPE_BP_INST     0x0
299 #define DR7_TYPE_DATA_WR     0x1
300 #define DR7_TYPE_IO_RW       0x2
301 #define DR7_TYPE_DATA_RW     0x3
302 
303 #define DR_RESERVED_MASK 0xffffffff00000000ULL
304 
305 #define PG_PRESENT_BIT  0
306 #define PG_RW_BIT       1
307 #define PG_USER_BIT     2
308 #define PG_PWT_BIT      3
309 #define PG_PCD_BIT      4
310 #define PG_ACCESSED_BIT 5
311 #define PG_DIRTY_BIT    6
312 #define PG_PSE_BIT      7
313 #define PG_GLOBAL_BIT   8
314 #define PG_PSE_PAT_BIT  12
315 #define PG_PKRU_BIT     59
316 #define PG_NX_BIT       63
317 
318 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
319 #define PG_RW_MASK       (1 << PG_RW_BIT)
320 #define PG_USER_MASK     (1 << PG_USER_BIT)
321 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
322 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
323 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
324 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
325 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
326 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
327 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
328 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
329 #define PG_HI_USER_MASK  0x7ff0000000000000LL
330 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
331 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
332 
333 #define PG_ERROR_W_BIT     1
334 
335 #define PG_ERROR_P_MASK    0x01
336 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
337 #define PG_ERROR_U_MASK    0x04
338 #define PG_ERROR_RSVD_MASK 0x08
339 #define PG_ERROR_I_D_MASK  0x10
340 #define PG_ERROR_PK_MASK   0x20
341 
342 #define PG_MODE_PAE      (1 << 0)
343 #define PG_MODE_LMA      (1 << 1)
344 #define PG_MODE_NXE      (1 << 2)
345 #define PG_MODE_PSE      (1 << 3)
346 #define PG_MODE_LA57     (1 << 4)
347 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15)
348 
349 /* Bits of CR4 that do not affect the NPT page format.  */
350 #define PG_MODE_WP       (1 << 16)
351 #define PG_MODE_PKE      (1 << 17)
352 #define PG_MODE_PKS      (1 << 18)
353 #define PG_MODE_SMEP     (1 << 19)
354 
355 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
356 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
357 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
358 
359 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
360 #define MCE_BANKS_DEF   10
361 
362 #define MCG_CAP_BANKS_MASK 0xff
363 
364 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
365 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
366 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
367 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
368 
369 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
370 
371 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
372 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
373 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
374 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
375 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
376 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
377 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
378 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
379 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
380 #define MCI_STATUS_DEFERRED    (1ULL<<44)  /* Deferred error */
381 #define MCI_STATUS_POISON      (1ULL<<43)  /* Poisoned data consumed */
382 
383 /* MISC register defines */
384 #define MCM_ADDR_SEGOFF  0      /* segment offset */
385 #define MCM_ADDR_LINEAR  1      /* linear address */
386 #define MCM_ADDR_PHYS    2      /* physical address */
387 #define MCM_ADDR_MEM     3      /* memory address */
388 #define MCM_ADDR_GENERIC 7      /* generic */
389 
390 #define MSR_IA32_TSC                    0x10
391 #define MSR_IA32_APICBASE               0x1b
392 #define MSR_IA32_APICBASE_BSP           (1<<8)
393 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
394 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
395 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
396 #define MSR_IA32_APICBASE_RESERVED \
397         (~(uint64_t)(MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE \
398                      | MSR_IA32_APICBASE_EXTD | MSR_IA32_APICBASE_BASE))
399 
400 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
401 #define MSR_TSC_ADJUST                  0x0000003b
402 #define MSR_IA32_SPEC_CTRL              0x48
403 #define MSR_VIRT_SSBD                   0xc001011f
404 #define MSR_IA32_PRED_CMD               0x49
405 #define MSR_IA32_UCODE_REV              0x8b
406 #define MSR_IA32_CORE_CAPABILITY        0xcf
407 
408 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
409 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
410 
411 #define MSR_IA32_PERF_CAPABILITIES      0x345
412 #define PERF_CAP_LBR_FMT                0x3f
413 
414 #define MSR_IA32_TSX_CTRL		0x122
415 #define MSR_IA32_TSCDEADLINE            0x6e0
416 #define MSR_IA32_PKRS                   0x6e1
417 #define MSR_RAPL_POWER_UNIT             0x00000606
418 #define MSR_PKG_POWER_LIMIT             0x00000610
419 #define MSR_PKG_ENERGY_STATUS           0x00000611
420 #define MSR_PKG_POWER_INFO              0x00000614
421 #define MSR_ARCH_LBR_CTL                0x000014ce
422 #define MSR_ARCH_LBR_DEPTH              0x000014cf
423 #define MSR_ARCH_LBR_FROM_0             0x00001500
424 #define MSR_ARCH_LBR_TO_0               0x00001600
425 #define MSR_ARCH_LBR_INFO_0             0x00001200
426 
427 #define FEATURE_CONTROL_LOCKED                    (1<<0)
428 #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX  (1ULL << 1)
429 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
430 #define FEATURE_CONTROL_SGX_LC                    (1ULL << 17)
431 #define FEATURE_CONTROL_SGX                       (1ULL << 18)
432 #define FEATURE_CONTROL_LMCE                      (1<<20)
433 
434 #define MSR_IA32_SGXLEPUBKEYHASH0       0x8c
435 #define MSR_IA32_SGXLEPUBKEYHASH1       0x8d
436 #define MSR_IA32_SGXLEPUBKEYHASH2       0x8e
437 #define MSR_IA32_SGXLEPUBKEYHASH3       0x8f
438 
439 #define MSR_P6_PERFCTR0                 0xc1
440 
441 #define MSR_IA32_SMBASE                 0x9e
442 #define MSR_SMI_COUNT                   0x34
443 #define MSR_CORE_THREAD_COUNT           0x35
444 #define MSR_MTRRcap                     0xfe
445 #define MSR_MTRRcap_VCNT                8
446 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
447 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
448 
449 #define MSR_IA32_SYSENTER_CS            0x174
450 #define MSR_IA32_SYSENTER_ESP           0x175
451 #define MSR_IA32_SYSENTER_EIP           0x176
452 
453 #define MSR_MCG_CAP                     0x179
454 #define MSR_MCG_STATUS                  0x17a
455 #define MSR_MCG_CTL                     0x17b
456 #define MSR_MCG_EXT_CTL                 0x4d0
457 
458 #define MSR_P6_EVNTSEL0                 0x186
459 
460 #define MSR_IA32_PERF_STATUS            0x198
461 
462 #define MSR_IA32_MISC_ENABLE            0x1a0
463 /* Indicates good rep/movs microcode on some processors: */
464 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
465 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
466 
467 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
468 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
469 
470 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
471 
472 #define MSR_MTRRfix64K_00000            0x250
473 #define MSR_MTRRfix16K_80000            0x258
474 #define MSR_MTRRfix16K_A0000            0x259
475 #define MSR_MTRRfix4K_C0000             0x268
476 #define MSR_MTRRfix4K_C8000             0x269
477 #define MSR_MTRRfix4K_D0000             0x26a
478 #define MSR_MTRRfix4K_D8000             0x26b
479 #define MSR_MTRRfix4K_E0000             0x26c
480 #define MSR_MTRRfix4K_E8000             0x26d
481 #define MSR_MTRRfix4K_F0000             0x26e
482 #define MSR_MTRRfix4K_F8000             0x26f
483 
484 #define MSR_PAT                         0x277
485 
486 #define MSR_MTRRdefType                 0x2ff
487 
488 #define MSR_CORE_PERF_FIXED_CTR0        0x309
489 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
490 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
491 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
492 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
493 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
494 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
495 
496 #define MSR_MC0_CTL                     0x400
497 #define MSR_MC0_STATUS                  0x401
498 #define MSR_MC0_ADDR                    0x402
499 #define MSR_MC0_MISC                    0x403
500 
501 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
502 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
503 #define MSR_IA32_RTIT_CTL               0x570
504 #define MSR_IA32_RTIT_STATUS            0x571
505 #define MSR_IA32_RTIT_CR3_MATCH         0x572
506 #define MSR_IA32_RTIT_ADDR0_A           0x580
507 #define MSR_IA32_RTIT_ADDR0_B           0x581
508 #define MSR_IA32_RTIT_ADDR1_A           0x582
509 #define MSR_IA32_RTIT_ADDR1_B           0x583
510 #define MSR_IA32_RTIT_ADDR2_A           0x584
511 #define MSR_IA32_RTIT_ADDR2_B           0x585
512 #define MSR_IA32_RTIT_ADDR3_A           0x586
513 #define MSR_IA32_RTIT_ADDR3_B           0x587
514 #define MAX_RTIT_ADDRS                  8
515 
516 #define MSR_EFER                        0xc0000080
517 
518 #define MSR_EFER_SCE   (1 << 0)
519 #define MSR_EFER_LME   (1 << 8)
520 #define MSR_EFER_LMA   (1 << 10)
521 #define MSR_EFER_NXE   (1 << 11)
522 #define MSR_EFER_SVME  (1 << 12)
523 #define MSR_EFER_FFXSR (1 << 14)
524 
525 #define MSR_EFER_RESERVED\
526         (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\
527             | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\
528             | MSR_EFER_FFXSR))
529 
530 #define MSR_STAR                        0xc0000081
531 #define MSR_LSTAR                       0xc0000082
532 #define MSR_CSTAR                       0xc0000083
533 #define MSR_FMASK                       0xc0000084
534 #define MSR_FSBASE                      0xc0000100
535 #define MSR_GSBASE                      0xc0000101
536 #define MSR_KERNELGSBASE                0xc0000102
537 #define MSR_TSC_AUX                     0xc0000103
538 #define MSR_AMD64_TSC_RATIO             0xc0000104
539 
540 #define MSR_AMD64_TSC_RATIO_DEFAULT     0x100000000ULL
541 
542 #define MSR_VM_HSAVE_PA                 0xc0010117
543 
544 #define MSR_IA32_XFD                    0x000001c4
545 #define MSR_IA32_XFD_ERR                0x000001c5
546 
547 /* FRED MSRs */
548 #define MSR_IA32_FRED_RSP0              0x000001cc       /* Stack level 0 regular stack pointer */
549 #define MSR_IA32_FRED_RSP1              0x000001cd       /* Stack level 1 regular stack pointer */
550 #define MSR_IA32_FRED_RSP2              0x000001ce       /* Stack level 2 regular stack pointer */
551 #define MSR_IA32_FRED_RSP3              0x000001cf       /* Stack level 3 regular stack pointer */
552 #define MSR_IA32_FRED_STKLVLS           0x000001d0       /* FRED exception stack levels */
553 #define MSR_IA32_FRED_SSP1              0x000001d1       /* Stack level 1 shadow stack pointer in ring 0 */
554 #define MSR_IA32_FRED_SSP2              0x000001d2       /* Stack level 2 shadow stack pointer in ring 0 */
555 #define MSR_IA32_FRED_SSP3              0x000001d3       /* Stack level 3 shadow stack pointer in ring 0 */
556 #define MSR_IA32_FRED_CONFIG            0x000001d4       /* FRED Entrypoint and interrupt stack level */
557 
558 #define MSR_IA32_BNDCFGS                0x00000d90
559 #define MSR_IA32_XSS                    0x00000da0
560 #define MSR_IA32_UMWAIT_CONTROL         0xe1
561 
562 #define MSR_IA32_VMX_BASIC              0x00000480
563 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
564 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
565 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
566 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
567 #define MSR_IA32_VMX_MISC               0x00000485
568 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
569 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
570 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
571 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
572 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
573 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
574 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
575 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
576 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
577 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
578 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
579 #define MSR_IA32_VMX_VMFUNC             0x00000491
580 
581 #define MSR_APIC_START                  0x00000800
582 #define MSR_APIC_END                    0x000008ff
583 
584 #define XSTATE_FP_BIT                   0
585 #define XSTATE_SSE_BIT                  1
586 #define XSTATE_YMM_BIT                  2
587 #define XSTATE_BNDREGS_BIT              3
588 #define XSTATE_BNDCSR_BIT               4
589 #define XSTATE_OPMASK_BIT               5
590 #define XSTATE_ZMM_Hi256_BIT            6
591 #define XSTATE_Hi16_ZMM_BIT             7
592 #define XSTATE_PKRU_BIT                 9
593 #define XSTATE_ARCH_LBR_BIT             15
594 #define XSTATE_XTILE_CFG_BIT            17
595 #define XSTATE_XTILE_DATA_BIT           18
596 
597 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
598 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
599 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
600 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
601 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
602 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
603 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
604 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
605 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
606 #define XSTATE_ARCH_LBR_MASK            (1ULL << XSTATE_ARCH_LBR_BIT)
607 #define XSTATE_XTILE_CFG_MASK           (1ULL << XSTATE_XTILE_CFG_BIT)
608 #define XSTATE_XTILE_DATA_MASK          (1ULL << XSTATE_XTILE_DATA_BIT)
609 
610 #define XSTATE_DYNAMIC_MASK             (XSTATE_XTILE_DATA_MASK)
611 
612 #define ESA_FEATURE_ALIGN64_BIT         1
613 #define ESA_FEATURE_XFD_BIT             2
614 
615 #define ESA_FEATURE_ALIGN64_MASK        (1U << ESA_FEATURE_ALIGN64_BIT)
616 #define ESA_FEATURE_XFD_MASK            (1U << ESA_FEATURE_XFD_BIT)
617 
618 
619 /* CPUID feature bits available in XCR0 */
620 #define CPUID_XSTATE_XCR0_MASK  (XSTATE_FP_MASK | XSTATE_SSE_MASK | \
621                                  XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | \
622                                  XSTATE_BNDCSR_MASK | XSTATE_OPMASK_MASK | \
623                                  XSTATE_ZMM_Hi256_MASK | \
624                                  XSTATE_Hi16_ZMM_MASK | XSTATE_PKRU_MASK | \
625                                  XSTATE_XTILE_CFG_MASK | XSTATE_XTILE_DATA_MASK)
626 
627 /* CPUID feature words */
628 typedef enum FeatureWord {
629     FEAT_1_EDX,         /* CPUID[1].EDX */
630     FEAT_1_ECX,         /* CPUID[1].ECX */
631     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
632     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
633     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
634     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
635     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
636     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
637     FEAT_8000_0007_EBX, /* CPUID[8000_0007].EBX */
638     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
639     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
640     FEAT_8000_0021_EAX, /* CPUID[8000_0021].EAX */
641     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
642     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
643     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
644     FEAT_SVM,           /* CPUID[8000_000A].EDX */
645     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
646     FEAT_6_EAX,         /* CPUID[6].EAX */
647     FEAT_XSAVE_XCR0_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
648     FEAT_XSAVE_XCR0_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
649     FEAT_ARCH_CAPABILITIES,
650     FEAT_CORE_CAPABILITY,
651     FEAT_PERF_CAPABILITIES,
652     FEAT_VMX_PROCBASED_CTLS,
653     FEAT_VMX_SECONDARY_CTLS,
654     FEAT_VMX_PINBASED_CTLS,
655     FEAT_VMX_EXIT_CTLS,
656     FEAT_VMX_ENTRY_CTLS,
657     FEAT_VMX_MISC,
658     FEAT_VMX_EPT_VPID_CAPS,
659     FEAT_VMX_BASIC,
660     FEAT_VMX_VMFUNC,
661     FEAT_14_0_ECX,
662     FEAT_SGX_12_0_EAX,  /* CPUID[EAX=0x12,ECX=0].EAX (SGX) */
663     FEAT_SGX_12_0_EBX,  /* CPUID[EAX=0x12,ECX=0].EBX (SGX MISCSELECT[31:0]) */
664     FEAT_SGX_12_1_EAX,  /* CPUID[EAX=0x12,ECX=1].EAX (SGX ATTRIBUTES[31:0]) */
665     FEAT_XSAVE_XSS_LO,     /* CPUID[EAX=0xd,ECX=1].ECX */
666     FEAT_XSAVE_XSS_HI,     /* CPUID[EAX=0xd,ECX=1].EDX */
667     FEAT_7_1_EDX,       /* CPUID[EAX=7,ECX=1].EDX */
668     FEAT_7_2_EDX,       /* CPUID[EAX=7,ECX=2].EDX */
669     FEATURE_WORDS,
670 } FeatureWord;
671 
672 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
673 uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w);
674 
675 /* cpuid_features bits */
676 #define CPUID_FP87 (1U << 0)
677 #define CPUID_VME  (1U << 1)
678 #define CPUID_DE   (1U << 2)
679 #define CPUID_PSE  (1U << 3)
680 #define CPUID_TSC  (1U << 4)
681 #define CPUID_MSR  (1U << 5)
682 #define CPUID_PAE  (1U << 6)
683 #define CPUID_MCE  (1U << 7)
684 #define CPUID_CX8  (1U << 8)
685 #define CPUID_APIC (1U << 9)
686 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
687 #define CPUID_MTRR (1U << 12)
688 #define CPUID_PGE  (1U << 13)
689 #define CPUID_MCA  (1U << 14)
690 #define CPUID_CMOV (1U << 15)
691 #define CPUID_PAT  (1U << 16)
692 #define CPUID_PSE36   (1U << 17)
693 #define CPUID_PN   (1U << 18)
694 #define CPUID_CLFLUSH (1U << 19)
695 #define CPUID_DTS (1U << 21)
696 #define CPUID_ACPI (1U << 22)
697 #define CPUID_MMX  (1U << 23)
698 #define CPUID_FXSR (1U << 24)
699 #define CPUID_SSE  (1U << 25)
700 #define CPUID_SSE2 (1U << 26)
701 #define CPUID_SS (1U << 27)
702 #define CPUID_HT (1U << 28)
703 #define CPUID_TM (1U << 29)
704 #define CPUID_IA64 (1U << 30)
705 #define CPUID_PBE (1U << 31)
706 
707 #define CPUID_EXT_SSE3     (1U << 0)
708 #define CPUID_EXT_PCLMULQDQ (1U << 1)
709 #define CPUID_EXT_DTES64   (1U << 2)
710 #define CPUID_EXT_MONITOR  (1U << 3)
711 #define CPUID_EXT_DSCPL    (1U << 4)
712 #define CPUID_EXT_VMX      (1U << 5)
713 #define CPUID_EXT_SMX      (1U << 6)
714 #define CPUID_EXT_EST      (1U << 7)
715 #define CPUID_EXT_TM2      (1U << 8)
716 #define CPUID_EXT_SSSE3    (1U << 9)
717 #define CPUID_EXT_CID      (1U << 10)
718 #define CPUID_EXT_FMA      (1U << 12)
719 #define CPUID_EXT_CX16     (1U << 13)
720 #define CPUID_EXT_XTPR     (1U << 14)
721 #define CPUID_EXT_PDCM     (1U << 15)
722 #define CPUID_EXT_PCID     (1U << 17)
723 #define CPUID_EXT_DCA      (1U << 18)
724 #define CPUID_EXT_SSE41    (1U << 19)
725 #define CPUID_EXT_SSE42    (1U << 20)
726 #define CPUID_EXT_X2APIC   (1U << 21)
727 #define CPUID_EXT_MOVBE    (1U << 22)
728 #define CPUID_EXT_POPCNT   (1U << 23)
729 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
730 #define CPUID_EXT_AES      (1U << 25)
731 #define CPUID_EXT_XSAVE    (1U << 26)
732 #define CPUID_EXT_OSXSAVE  (1U << 27)
733 #define CPUID_EXT_AVX      (1U << 28)
734 #define CPUID_EXT_F16C     (1U << 29)
735 #define CPUID_EXT_RDRAND   (1U << 30)
736 #define CPUID_EXT_HYPERVISOR  (1U << 31)
737 
738 #define CPUID_EXT2_FPU     (1U << 0)
739 #define CPUID_EXT2_VME     (1U << 1)
740 #define CPUID_EXT2_DE      (1U << 2)
741 #define CPUID_EXT2_PSE     (1U << 3)
742 #define CPUID_EXT2_TSC     (1U << 4)
743 #define CPUID_EXT2_MSR     (1U << 5)
744 #define CPUID_EXT2_PAE     (1U << 6)
745 #define CPUID_EXT2_MCE     (1U << 7)
746 #define CPUID_EXT2_CX8     (1U << 8)
747 #define CPUID_EXT2_APIC    (1U << 9)
748 #define CPUID_EXT2_SYSCALL (1U << 11)
749 #define CPUID_EXT2_MTRR    (1U << 12)
750 #define CPUID_EXT2_PGE     (1U << 13)
751 #define CPUID_EXT2_MCA     (1U << 14)
752 #define CPUID_EXT2_CMOV    (1U << 15)
753 #define CPUID_EXT2_PAT     (1U << 16)
754 #define CPUID_EXT2_PSE36   (1U << 17)
755 #define CPUID_EXT2_MP      (1U << 19)
756 #define CPUID_EXT2_NX      (1U << 20)
757 #define CPUID_EXT2_MMXEXT  (1U << 22)
758 #define CPUID_EXT2_MMX     (1U << 23)
759 #define CPUID_EXT2_FXSR    (1U << 24)
760 #define CPUID_EXT2_FFXSR   (1U << 25)
761 #define CPUID_EXT2_PDPE1GB (1U << 26)
762 #define CPUID_EXT2_RDTSCP  (1U << 27)
763 #define CPUID_EXT2_LM      (1U << 29)
764 #define CPUID_EXT2_3DNOWEXT (1U << 30)
765 #define CPUID_EXT2_3DNOW   (1U << 31)
766 
767 /* CPUID[8000_0001].EDX bits that are aliases of CPUID[1].EDX bits on AMD CPUs */
768 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
769                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
770                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
771                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
772                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
773                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
774                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
775                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
776                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
777 
778 #define CPUID_EXT3_LAHF_LM (1U << 0)
779 #define CPUID_EXT3_CMP_LEG (1U << 1)
780 #define CPUID_EXT3_SVM     (1U << 2)
781 #define CPUID_EXT3_EXTAPIC (1U << 3)
782 #define CPUID_EXT3_CR8LEG  (1U << 4)
783 #define CPUID_EXT3_ABM     (1U << 5)
784 #define CPUID_EXT3_SSE4A   (1U << 6)
785 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
786 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
787 #define CPUID_EXT3_OSVW    (1U << 9)
788 #define CPUID_EXT3_IBS     (1U << 10)
789 #define CPUID_EXT3_XOP     (1U << 11)
790 #define CPUID_EXT3_SKINIT  (1U << 12)
791 #define CPUID_EXT3_WDT     (1U << 13)
792 #define CPUID_EXT3_LWP     (1U << 15)
793 #define CPUID_EXT3_FMA4    (1U << 16)
794 #define CPUID_EXT3_TCE     (1U << 17)
795 #define CPUID_EXT3_NODEID  (1U << 19)
796 #define CPUID_EXT3_TBM     (1U << 21)
797 #define CPUID_EXT3_TOPOEXT (1U << 22)
798 #define CPUID_EXT3_PERFCORE (1U << 23)
799 #define CPUID_EXT3_PERFNB  (1U << 24)
800 
801 #define CPUID_SVM_NPT             (1U << 0)
802 #define CPUID_SVM_LBRV            (1U << 1)
803 #define CPUID_SVM_SVMLOCK         (1U << 2)
804 #define CPUID_SVM_NRIPSAVE        (1U << 3)
805 #define CPUID_SVM_TSCSCALE        (1U << 4)
806 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
807 #define CPUID_SVM_FLUSHASID       (1U << 6)
808 #define CPUID_SVM_DECODEASSIST    (1U << 7)
809 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
810 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
811 #define CPUID_SVM_AVIC            (1U << 13)
812 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
813 #define CPUID_SVM_VGIF            (1U << 16)
814 #define CPUID_SVM_VNMI            (1U << 25)
815 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
816 
817 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
818 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
819 /* Support TSC adjust MSR */
820 #define CPUID_7_0_EBX_TSC_ADJUST        (1U << 1)
821 /* Support SGX */
822 #define CPUID_7_0_EBX_SGX               (1U << 2)
823 /* 1st Group of Advanced Bit Manipulation Extensions */
824 #define CPUID_7_0_EBX_BMI1              (1U << 3)
825 /* Hardware Lock Elision */
826 #define CPUID_7_0_EBX_HLE               (1U << 4)
827 /* Intel Advanced Vector Extensions 2 */
828 #define CPUID_7_0_EBX_AVX2              (1U << 5)
829 /* Supervisor-mode Execution Prevention */
830 #define CPUID_7_0_EBX_SMEP              (1U << 7)
831 /* 2nd Group of Advanced Bit Manipulation Extensions */
832 #define CPUID_7_0_EBX_BMI2              (1U << 8)
833 /* Enhanced REP MOVSB/STOSB */
834 #define CPUID_7_0_EBX_ERMS              (1U << 9)
835 /* Invalidate Process-Context Identifier */
836 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
837 /* Restricted Transactional Memory */
838 #define CPUID_7_0_EBX_RTM               (1U << 11)
839 /* Memory Protection Extension */
840 #define CPUID_7_0_EBX_MPX               (1U << 14)
841 /* AVX-512 Foundation */
842 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
843 /* AVX-512 Doubleword & Quadword Instruction */
844 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
845 /* Read Random SEED */
846 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
847 /* ADCX and ADOX instructions */
848 #define CPUID_7_0_EBX_ADX               (1U << 19)
849 /* Supervisor Mode Access Prevention */
850 #define CPUID_7_0_EBX_SMAP              (1U << 20)
851 /* AVX-512 Integer Fused Multiply Add */
852 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
853 /* Flush a Cache Line Optimized */
854 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
855 /* Cache Line Write Back */
856 #define CPUID_7_0_EBX_CLWB              (1U << 24)
857 /* Intel Processor Trace */
858 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
859 /* AVX-512 Prefetch */
860 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
861 /* AVX-512 Exponential and Reciprocal */
862 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
863 /* AVX-512 Conflict Detection */
864 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
865 /* SHA1/SHA256 Instruction Extensions */
866 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
867 /* AVX-512 Byte and Word Instructions */
868 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
869 /* AVX-512 Vector Length Extensions */
870 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
871 
872 /* AVX-512 Vector Byte Manipulation Instruction */
873 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
874 /* User-Mode Instruction Prevention */
875 #define CPUID_7_0_ECX_UMIP              (1U << 2)
876 /* Protection Keys for User-mode Pages */
877 #define CPUID_7_0_ECX_PKU               (1U << 3)
878 /* OS Enable Protection Keys */
879 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
880 /* UMONITOR/UMWAIT/TPAUSE Instructions */
881 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
882 /* Additional AVX-512 Vector Byte Manipulation Instruction */
883 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
884 /* Galois Field New Instructions */
885 #define CPUID_7_0_ECX_GFNI              (1U << 8)
886 /* Vector AES Instructions */
887 #define CPUID_7_0_ECX_VAES              (1U << 9)
888 /* Carry-Less Multiplication Quadword */
889 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
890 /* Vector Neural Network Instructions */
891 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
892 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
893 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
894 /* POPCNT for vectors of DW/QW */
895 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
896 /* 5-level Page Tables */
897 #define CPUID_7_0_ECX_LA57              (1U << 16)
898 /* Read Processor ID */
899 #define CPUID_7_0_ECX_RDPID             (1U << 22)
900 /* Bus Lock Debug Exception */
901 #define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
902 /* Cache Line Demote Instruction */
903 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
904 /* Move Doubleword as Direct Store Instruction */
905 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
906 /* Move 64 Bytes as Direct Store Instruction */
907 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
908 /* Support SGX Launch Control */
909 #define CPUID_7_0_ECX_SGX_LC            (1U << 30)
910 /* Protection Keys for Supervisor-mode Pages */
911 #define CPUID_7_0_ECX_PKS               (1U << 31)
912 
913 /* AVX512 Neural Network Instructions */
914 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
915 /* AVX512 Multiply Accumulation Single Precision */
916 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
917 /* Fast Short Rep Mov */
918 #define CPUID_7_0_EDX_FSRM              (1U << 4)
919 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
920 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
921 /* SERIALIZE instruction */
922 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
923 /* TSX Suspend Load Address Tracking instruction */
924 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
925 /* Architectural LBRs */
926 #define CPUID_7_0_EDX_ARCH_LBR          (1U << 19)
927 /* AMX_BF16 instruction */
928 #define CPUID_7_0_EDX_AMX_BF16          (1U << 22)
929 /* AVX512_FP16 instruction */
930 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
931 /* AMX tile (two-dimensional register) */
932 #define CPUID_7_0_EDX_AMX_TILE          (1U << 24)
933 /* AMX_INT8 instruction */
934 #define CPUID_7_0_EDX_AMX_INT8          (1U << 25)
935 /* Speculation Control */
936 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
937 /* Single Thread Indirect Branch Predictors */
938 #define CPUID_7_0_EDX_STIBP             (1U << 27)
939 /* Flush L1D cache */
940 #define CPUID_7_0_EDX_FLUSH_L1D         (1U << 28)
941 /* Arch Capabilities */
942 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
943 /* Core Capability */
944 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
945 /* Speculative Store Bypass Disable */
946 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
947 
948 /* AVX VNNI Instruction */
949 #define CPUID_7_1_EAX_AVX_VNNI          (1U << 4)
950 /* AVX512 BFloat16 Instruction */
951 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
952 /* CMPCCXADD Instructions */
953 #define CPUID_7_1_EAX_CMPCCXADD         (1U << 7)
954 /* Fast Zero REP MOVS */
955 #define CPUID_7_1_EAX_FZRM              (1U << 10)
956 /* Fast Short REP STOS */
957 #define CPUID_7_1_EAX_FSRS              (1U << 11)
958 /* Fast Short REP CMPS/SCAS */
959 #define CPUID_7_1_EAX_FSRC              (1U << 12)
960 /* Support Tile Computational Operations on FP16 Numbers */
961 #define CPUID_7_1_EAX_AMX_FP16          (1U << 21)
962 /* Support for VPMADD52[H,L]UQ */
963 #define CPUID_7_1_EAX_AVX_IFMA          (1U << 23)
964 /* Linear Address Masking */
965 #define CPUID_7_1_EAX_LAM               (1U << 26)
966 
967 /* Support for VPDPB[SU,UU,SS]D[,S] */
968 #define CPUID_7_1_EDX_AVX_VNNI_INT8     (1U << 4)
969 /* AVX NE CONVERT Instructions */
970 #define CPUID_7_1_EDX_AVX_NE_CONVERT    (1U << 5)
971 /* AMX COMPLEX Instructions */
972 #define CPUID_7_1_EDX_AMX_COMPLEX       (1U << 8)
973 /* PREFETCHIT0/1 Instructions */
974 #define CPUID_7_1_EDX_PREFETCHITI       (1U << 14)
975 /* Flexible return and event delivery (FRED) */
976 #define CPUID_7_1_EAX_FRED              (1U << 17)
977 /* Load into IA32_KERNEL_GS_BASE (LKGS) */
978 #define CPUID_7_1_EAX_LKGS              (1U << 18)
979 /* Non-Serializing Write to Model Specific Register (WRMSRNS) */
980 #define CPUID_7_1_EAX_WRMSRNS           (1U << 19)
981 
982 /* Do not exhibit MXCSR Configuration Dependent Timing (MCDT) behavior */
983 #define CPUID_7_2_EDX_MCDT_NO           (1U << 5)
984 
985 /* XFD Extend Feature Disabled */
986 #define CPUID_D_1_EAX_XFD               (1U << 4)
987 
988 /* Packets which contain IP payload have LIP values */
989 #define CPUID_14_0_ECX_LIP              (1U << 31)
990 
991 /* RAS Features */
992 #define CPUID_8000_0007_EBX_OVERFLOW_RECOV    (1U << 0)
993 #define CPUID_8000_0007_EBX_SUCCOR      (1U << 1)
994 
995 /* CLZERO instruction */
996 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
997 /* Always save/restore FP error pointers */
998 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
999 /* Write back and do not invalidate cache */
1000 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
1001 /* Indirect Branch Prediction Barrier */
1002 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
1003 /* Indirect Branch Restricted Speculation */
1004 #define CPUID_8000_0008_EBX_IBRS        (1U << 14)
1005 /* Single Thread Indirect Branch Predictors */
1006 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
1007 /* STIBP mode has enhanced performance and may be left always on */
1008 #define CPUID_8000_0008_EBX_STIBP_ALWAYS_ON    (1U << 17)
1009 /* Speculative Store Bypass Disable */
1010 #define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
1011 /* Paravirtualized Speculative Store Bypass Disable MSR */
1012 #define CPUID_8000_0008_EBX_VIRT_SSBD   (1U << 25)
1013 /* Predictive Store Forwarding Disable */
1014 #define CPUID_8000_0008_EBX_AMD_PSFD    (1U << 28)
1015 
1016 /* Processor ignores nested data breakpoints */
1017 #define CPUID_8000_0021_EAX_No_NESTED_DATA_BP    (1U << 0)
1018 /* LFENCE is always serializing */
1019 #define CPUID_8000_0021_EAX_LFENCE_ALWAYS_SERIALIZING    (1U << 2)
1020 /* Null Selector Clears Base */
1021 #define CPUID_8000_0021_EAX_NULL_SEL_CLR_BASE    (1U << 6)
1022 /* Automatic IBRS */
1023 #define CPUID_8000_0021_EAX_AUTO_IBRS   (1U << 8)
1024 
1025 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
1026 #define CPUID_XSAVE_XSAVEC     (1U << 1)
1027 #define CPUID_XSAVE_XGETBV1    (1U << 2)
1028 #define CPUID_XSAVE_XSAVES     (1U << 3)
1029 
1030 #define CPUID_6_EAX_ARAT       (1U << 2)
1031 
1032 /* CPUID[0x80000007].EDX flags: */
1033 #define CPUID_APM_INVTSC       (1U << 8)
1034 
1035 #define CPUID_VENDOR_SZ      12
1036 
1037 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
1038 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
1039 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
1040 #define CPUID_VENDOR_INTEL "GenuineIntel"
1041 
1042 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
1043 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
1044 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
1045 #define CPUID_VENDOR_AMD   "AuthenticAMD"
1046 
1047 #define CPUID_VENDOR_VIA   "CentaurHauls"
1048 
1049 #define CPUID_VENDOR_HYGON    "HygonGenuine"
1050 
1051 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
1052                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
1053                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
1054 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
1055                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
1056                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
1057 
1058 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
1059 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
1060 
1061 /* CPUID[0xB].ECX level types */
1062 #define CPUID_B_ECX_TOPO_LEVEL_INVALID  0
1063 #define CPUID_B_ECX_TOPO_LEVEL_SMT      1
1064 #define CPUID_B_ECX_TOPO_LEVEL_CORE     2
1065 
1066 /* COUID[0x1F].ECX level types */
1067 #define CPUID_1F_ECX_TOPO_LEVEL_INVALID  CPUID_B_ECX_TOPO_LEVEL_INVALID
1068 #define CPUID_1F_ECX_TOPO_LEVEL_SMT      CPUID_B_ECX_TOPO_LEVEL_SMT
1069 #define CPUID_1F_ECX_TOPO_LEVEL_CORE     CPUID_B_ECX_TOPO_LEVEL_CORE
1070 #define CPUID_1F_ECX_TOPO_LEVEL_MODULE   3
1071 #define CPUID_1F_ECX_TOPO_LEVEL_DIE      5
1072 
1073 /* MSR Feature Bits */
1074 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
1075 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
1076 #define MSR_ARCH_CAP_RSBA               (1U << 2)
1077 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
1078 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
1079 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
1080 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
1081 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
1082 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
1083 #define MSR_ARCH_CAP_SBDR_SSDP_NO       (1U << 13)
1084 #define MSR_ARCH_CAP_FBSDP_NO           (1U << 14)
1085 #define MSR_ARCH_CAP_PSDP_NO            (1U << 15)
1086 #define MSR_ARCH_CAP_FB_CLEAR           (1U << 17)
1087 #define MSR_ARCH_CAP_PBRSB_NO           (1U << 24)
1088 
1089 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
1090 
1091 /* VMX MSR features */
1092 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
1093 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
1094 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
1095 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
1096 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
1097 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
1098 #define MSR_VMX_BASIC_ANY_ERRCODE                    (1ULL << 56)
1099 #define MSR_VMX_BASIC_NESTED_EXCEPTION               (1ULL << 58)
1100 
1101 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
1102 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
1103 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
1104 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
1105 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
1106 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
1107 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
1108 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
1109 
1110 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
1111 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
1112 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
1113 #define MSR_VMX_EPT_UC                               (1ULL << 8)
1114 #define MSR_VMX_EPT_WB                               (1ULL << 14)
1115 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
1116 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
1117 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
1118 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
1119 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
1120 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
1121 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
1122 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
1123 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
1124 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
1125 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
1126 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
1127 
1128 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
1129 
1130 
1131 /* VMX controls */
1132 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
1133 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
1134 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
1135 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
1136 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
1137 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
1138 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
1139 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
1140 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
1141 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
1142 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
1143 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
1144 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
1145 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
1146 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
1147 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
1148 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
1149 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
1150 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
1151 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
1152 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
1153 
1154 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
1155 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
1156 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
1157 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
1158 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
1159 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
1160 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
1161 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
1162 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
1163 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
1164 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
1165 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
1166 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
1167 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
1168 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
1169 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
1170 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
1171 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
1172 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
1173 #define VMX_SECONDARY_EXEC_TSC_SCALING              0x02000000
1174 #define VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE   0x04000000
1175 
1176 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
1177 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
1178 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
1179 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
1180 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
1181 
1182 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
1183 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
1184 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
1185 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
1186 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
1187 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
1188 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
1189 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
1190 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
1191 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
1192 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
1193 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
1194 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
1195 
1196 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
1197 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
1198 #define VMX_VM_ENTRY_SMM                            0x00000400
1199 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
1200 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
1201 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
1202 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
1203 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
1204 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
1205 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
1206 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
1207 
1208 /* Supported Hyper-V Enlightenments */
1209 #define HYPERV_FEAT_RELAXED             0
1210 #define HYPERV_FEAT_VAPIC               1
1211 #define HYPERV_FEAT_TIME                2
1212 #define HYPERV_FEAT_CRASH               3
1213 #define HYPERV_FEAT_RESET               4
1214 #define HYPERV_FEAT_VPINDEX             5
1215 #define HYPERV_FEAT_RUNTIME             6
1216 #define HYPERV_FEAT_SYNIC               7
1217 #define HYPERV_FEAT_STIMER              8
1218 #define HYPERV_FEAT_FREQUENCIES         9
1219 #define HYPERV_FEAT_REENLIGHTENMENT     10
1220 #define HYPERV_FEAT_TLBFLUSH            11
1221 #define HYPERV_FEAT_EVMCS               12
1222 #define HYPERV_FEAT_IPI                 13
1223 #define HYPERV_FEAT_STIMER_DIRECT       14
1224 #define HYPERV_FEAT_AVIC                15
1225 #define HYPERV_FEAT_SYNDBG              16
1226 #define HYPERV_FEAT_MSR_BITMAP          17
1227 #define HYPERV_FEAT_XMM_INPUT           18
1228 #define HYPERV_FEAT_TLBFLUSH_EXT        19
1229 #define HYPERV_FEAT_TLBFLUSH_DIRECT     20
1230 
1231 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1232 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1233 #endif
1234 
1235 #define EXCP00_DIVZ	0
1236 #define EXCP01_DB	1
1237 #define EXCP02_NMI	2
1238 #define EXCP03_INT3	3
1239 #define EXCP04_INTO	4
1240 #define EXCP05_BOUND	5
1241 #define EXCP06_ILLOP	6
1242 #define EXCP07_PREX	7
1243 #define EXCP08_DBLE	8
1244 #define EXCP09_XERR	9
1245 #define EXCP0A_TSS	10
1246 #define EXCP0B_NOSEG	11
1247 #define EXCP0C_STACK	12
1248 #define EXCP0D_GPF	13
1249 #define EXCP0E_PAGE	14
1250 #define EXCP10_COPR	16
1251 #define EXCP11_ALGN	17
1252 #define EXCP12_MCHK	18
1253 
1254 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1255 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1256 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1257 
1258 /* i386-specific interrupt pending bits.  */
1259 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1260 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1261 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1262 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1263 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1264 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1265 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1266 
1267 /* Use a clearer name for this.  */
1268 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1269 
1270 #define CC_OP_HAS_EFLAGS(op) ((op) >= CC_OP_EFLAGS && (op) <= CC_OP_ADCOX)
1271 
1272 /* Instead of computing the condition codes after each x86 instruction,
1273  * QEMU just stores one operand (called CC_SRC), the result
1274  * (called CC_DST) and the type of operation (called CC_OP). When the
1275  * condition codes are needed, the condition codes can be calculated
1276  * using this information. Condition codes are not generated if they
1277  * are only needed for conditional branches.
1278  */
1279 typedef enum {
1280     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1281     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1282     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1283     CC_OP_ADOX, /* CC_SRC2 = O, CC_SRC = rest.  */
1284     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1285     CC_OP_CLR, /* Z and P set, all other flags clear.  */
1286 
1287     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1288     CC_OP_MULW,
1289     CC_OP_MULL,
1290     CC_OP_MULQ,
1291 
1292     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1293     CC_OP_ADDW,
1294     CC_OP_ADDL,
1295     CC_OP_ADDQ,
1296 
1297     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1298     CC_OP_ADCW,
1299     CC_OP_ADCL,
1300     CC_OP_ADCQ,
1301 
1302     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1303     CC_OP_SUBW,
1304     CC_OP_SUBL,
1305     CC_OP_SUBQ,
1306 
1307     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1308     CC_OP_SBBW,
1309     CC_OP_SBBL,
1310     CC_OP_SBBQ,
1311 
1312     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1313     CC_OP_LOGICW,
1314     CC_OP_LOGICL,
1315     CC_OP_LOGICQ,
1316 
1317     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1318     CC_OP_INCW,
1319     CC_OP_INCL,
1320     CC_OP_INCQ,
1321 
1322     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1323     CC_OP_DECW,
1324     CC_OP_DECL,
1325     CC_OP_DECQ,
1326 
1327     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1328     CC_OP_SHLW,
1329     CC_OP_SHLL,
1330     CC_OP_SHLQ,
1331 
1332     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1333     CC_OP_SARW,
1334     CC_OP_SARL,
1335     CC_OP_SARQ,
1336 
1337     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1338     CC_OP_BMILGW,
1339     CC_OP_BMILGL,
1340     CC_OP_BMILGQ,
1341 
1342     CC_OP_BLSIB, /* Z,S via CC_DST, C = SRC!=0; O=0; P,A undefined */
1343     CC_OP_BLSIW,
1344     CC_OP_BLSIL,
1345     CC_OP_BLSIQ,
1346 
1347     /*
1348      * Note that only CC_OP_POPCNT (i.e. the one with MO_TL size)
1349      * is used or implemented, because the translation needs
1350      * to zero-extend CC_DST anyway.
1351      */
1352     CC_OP_POPCNTB__, /* Z via CC_DST, all other flags clear.  */
1353     CC_OP_POPCNTW__,
1354     CC_OP_POPCNTL__,
1355     CC_OP_POPCNTQ__,
1356     CC_OP_POPCNT = sizeof(target_ulong) == 8 ? CC_OP_POPCNTQ__ : CC_OP_POPCNTL__,
1357 
1358     CC_OP_NB,
1359 } CCOp;
1360 QEMU_BUILD_BUG_ON(CC_OP_NB >= 128);
1361 
1362 typedef struct SegmentCache {
1363     uint32_t selector;
1364     target_ulong base;
1365     uint32_t limit;
1366     uint32_t flags;
1367 } SegmentCache;
1368 
1369 typedef union MMXReg {
1370     uint8_t  _b_MMXReg[64 / 8];
1371     uint16_t _w_MMXReg[64 / 16];
1372     uint32_t _l_MMXReg[64 / 32];
1373     uint64_t _q_MMXReg[64 / 64];
1374     float32  _s_MMXReg[64 / 32];
1375     float64  _d_MMXReg[64 / 64];
1376 } MMXReg;
1377 
1378 typedef union XMMReg {
1379     uint64_t _q_XMMReg[128 / 64];
1380 } XMMReg;
1381 
1382 typedef union YMMReg {
1383     uint64_t _q_YMMReg[256 / 64];
1384     XMMReg   _x_YMMReg[256 / 128];
1385 } YMMReg;
1386 
1387 typedef union ZMMReg {
1388     uint8_t  _b_ZMMReg[512 / 8];
1389     uint16_t _w_ZMMReg[512 / 16];
1390     uint32_t _l_ZMMReg[512 / 32];
1391     uint64_t _q_ZMMReg[512 / 64];
1392     float16  _h_ZMMReg[512 / 16];
1393     float32  _s_ZMMReg[512 / 32];
1394     float64  _d_ZMMReg[512 / 64];
1395     XMMReg   _x_ZMMReg[512 / 128];
1396     YMMReg   _y_ZMMReg[512 / 256];
1397 } ZMMReg;
1398 
1399 typedef struct BNDReg {
1400     uint64_t lb;
1401     uint64_t ub;
1402 } BNDReg;
1403 
1404 typedef struct BNDCSReg {
1405     uint64_t cfgu;
1406     uint64_t sts;
1407 } BNDCSReg;
1408 
1409 #define BNDCFG_ENABLE       1ULL
1410 #define BNDCFG_BNDPRESERVE  2ULL
1411 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1412 
1413 #if HOST_BIG_ENDIAN
1414 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1415 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1416 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1417 #define ZMM_H(n) _h_ZMMReg[31 - (n)]
1418 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1419 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1420 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1421 #define ZMM_X(n) _x_ZMMReg[3 - (n)]
1422 #define ZMM_Y(n) _y_ZMMReg[1 - (n)]
1423 
1424 #define XMM_Q(n) _q_XMMReg[1 - (n)]
1425 
1426 #define YMM_Q(n) _q_YMMReg[3 - (n)]
1427 #define YMM_X(n) _x_YMMReg[1 - (n)]
1428 
1429 #define MMX_B(n) _b_MMXReg[7 - (n)]
1430 #define MMX_W(n) _w_MMXReg[3 - (n)]
1431 #define MMX_L(n) _l_MMXReg[1 - (n)]
1432 #define MMX_S(n) _s_MMXReg[1 - (n)]
1433 #else
1434 #define ZMM_B(n) _b_ZMMReg[n]
1435 #define ZMM_W(n) _w_ZMMReg[n]
1436 #define ZMM_L(n) _l_ZMMReg[n]
1437 #define ZMM_H(n) _h_ZMMReg[n]
1438 #define ZMM_S(n) _s_ZMMReg[n]
1439 #define ZMM_Q(n) _q_ZMMReg[n]
1440 #define ZMM_D(n) _d_ZMMReg[n]
1441 #define ZMM_X(n) _x_ZMMReg[n]
1442 #define ZMM_Y(n) _y_ZMMReg[n]
1443 
1444 #define XMM_Q(n) _q_XMMReg[n]
1445 
1446 #define YMM_Q(n) _q_YMMReg[n]
1447 #define YMM_X(n) _x_YMMReg[n]
1448 
1449 #define MMX_B(n) _b_MMXReg[n]
1450 #define MMX_W(n) _w_MMXReg[n]
1451 #define MMX_L(n) _l_MMXReg[n]
1452 #define MMX_S(n) _s_MMXReg[n]
1453 #endif
1454 #define MMX_Q(n) _q_MMXReg[n]
1455 
1456 typedef union {
1457     floatx80 d __attribute__((aligned(16)));
1458     MMXReg mmx;
1459 } FPReg;
1460 
1461 typedef struct {
1462     uint64_t base;
1463     uint64_t mask;
1464 } MTRRVar;
1465 
1466 #define CPU_NB_REGS64 16
1467 #define CPU_NB_REGS32 8
1468 
1469 #ifdef TARGET_X86_64
1470 #define CPU_NB_REGS CPU_NB_REGS64
1471 #else
1472 #define CPU_NB_REGS CPU_NB_REGS32
1473 #endif
1474 
1475 #define MAX_FIXED_COUNTERS 3
1476 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1477 
1478 #define TARGET_INSN_START_EXTRA_WORDS 1
1479 
1480 #define NB_OPMASK_REGS 8
1481 
1482 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1483  * that APIC ID hasn't been set yet
1484  */
1485 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1486 
1487 typedef struct X86LegacyXSaveArea {
1488     uint16_t fcw;
1489     uint16_t fsw;
1490     uint8_t ftw;
1491     uint8_t reserved;
1492     uint16_t fpop;
1493     union {
1494         struct {
1495             uint64_t fpip;
1496             uint64_t fpdp;
1497         };
1498         struct {
1499             uint32_t fip;
1500             uint32_t fcs;
1501             uint32_t foo;
1502             uint32_t fos;
1503         };
1504     };
1505     uint32_t mxcsr;
1506     uint32_t mxcsr_mask;
1507     FPReg fpregs[8];
1508     uint8_t xmm_regs[16][16];
1509     uint32_t hw_reserved[12];
1510     uint32_t sw_reserved[12];
1511 } X86LegacyXSaveArea;
1512 
1513 QEMU_BUILD_BUG_ON(sizeof(X86LegacyXSaveArea) != 512);
1514 
1515 typedef struct X86XSaveHeader {
1516     uint64_t xstate_bv;
1517     uint64_t xcomp_bv;
1518     uint64_t reserve0;
1519     uint8_t reserved[40];
1520 } X86XSaveHeader;
1521 
1522 /* Ext. save area 2: AVX State */
1523 typedef struct XSaveAVX {
1524     uint8_t ymmh[16][16];
1525 } XSaveAVX;
1526 
1527 /* Ext. save area 3: BNDREG */
1528 typedef struct XSaveBNDREG {
1529     BNDReg bnd_regs[4];
1530 } XSaveBNDREG;
1531 
1532 /* Ext. save area 4: BNDCSR */
1533 typedef union XSaveBNDCSR {
1534     BNDCSReg bndcsr;
1535     uint8_t data[64];
1536 } XSaveBNDCSR;
1537 
1538 /* Ext. save area 5: Opmask */
1539 typedef struct XSaveOpmask {
1540     uint64_t opmask_regs[NB_OPMASK_REGS];
1541 } XSaveOpmask;
1542 
1543 /* Ext. save area 6: ZMM_Hi256 */
1544 typedef struct XSaveZMM_Hi256 {
1545     uint8_t zmm_hi256[16][32];
1546 } XSaveZMM_Hi256;
1547 
1548 /* Ext. save area 7: Hi16_ZMM */
1549 typedef struct XSaveHi16_ZMM {
1550     uint8_t hi16_zmm[16][64];
1551 } XSaveHi16_ZMM;
1552 
1553 /* Ext. save area 9: PKRU state */
1554 typedef struct XSavePKRU {
1555     uint32_t pkru;
1556     uint32_t padding;
1557 } XSavePKRU;
1558 
1559 /* Ext. save area 17: AMX XTILECFG state */
1560 typedef struct XSaveXTILECFG {
1561     uint8_t xtilecfg[64];
1562 } XSaveXTILECFG;
1563 
1564 /* Ext. save area 18: AMX XTILEDATA state */
1565 typedef struct XSaveXTILEDATA {
1566     uint8_t xtiledata[8][1024];
1567 } XSaveXTILEDATA;
1568 
1569 typedef struct {
1570        uint64_t from;
1571        uint64_t to;
1572        uint64_t info;
1573 } LBREntry;
1574 
1575 #define ARCH_LBR_NR_ENTRIES            32
1576 
1577 /* Ext. save area 19: Supervisor mode Arch LBR state */
1578 typedef struct XSavesArchLBR {
1579     uint64_t lbr_ctl;
1580     uint64_t lbr_depth;
1581     uint64_t ler_from;
1582     uint64_t ler_to;
1583     uint64_t ler_info;
1584     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1585 } XSavesArchLBR;
1586 
1587 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1588 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1589 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1590 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1591 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1592 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1593 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1594 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILECFG) != 0x40);
1595 QEMU_BUILD_BUG_ON(sizeof(XSaveXTILEDATA) != 0x2000);
1596 QEMU_BUILD_BUG_ON(sizeof(XSavesArchLBR) != 0x328);
1597 
1598 typedef struct ExtSaveArea {
1599     uint32_t feature, bits;
1600     uint32_t offset, size;
1601     uint32_t ecx;
1602 } ExtSaveArea;
1603 
1604 #define XSAVE_STATE_AREA_COUNT (XSTATE_XTILE_DATA_BIT + 1)
1605 
1606 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
1607 
1608 typedef enum TPRAccess {
1609     TPR_ACCESS_READ,
1610     TPR_ACCESS_WRITE,
1611 } TPRAccess;
1612 
1613 /* Cache information data structures: */
1614 
1615 enum CacheType {
1616     DATA_CACHE,
1617     INSTRUCTION_CACHE,
1618     UNIFIED_CACHE
1619 };
1620 
1621 typedef struct CPUCacheInfo {
1622     enum CacheType type;
1623     uint8_t level;
1624     /* Size in bytes */
1625     uint32_t size;
1626     /* Line size, in bytes */
1627     uint16_t line_size;
1628     /*
1629      * Associativity.
1630      * Note: representation of fully-associative caches is not implemented
1631      */
1632     uint8_t associativity;
1633     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1634     uint8_t partitions;
1635     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1636     uint32_t sets;
1637     /*
1638      * Lines per tag.
1639      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1640      * (Is this synonym to @partitions?)
1641      */
1642     uint8_t lines_per_tag;
1643 
1644     /* Self-initializing cache */
1645     bool self_init;
1646     /*
1647      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1648      * non-originating threads sharing this cache.
1649      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1650      */
1651     bool no_invd_sharing;
1652     /*
1653      * Cache is inclusive of lower cache levels.
1654      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1655      */
1656     bool inclusive;
1657     /*
1658      * A complex function is used to index the cache, potentially using all
1659      * address bits.  CPUID[4].EDX[bit 2].
1660      */
1661     bool complex_indexing;
1662 
1663     /*
1664      * Cache Topology. The level that cache is shared in.
1665      * Used to encode CPUID[4].EAX[bits 25:14] or
1666      * CPUID[0x8000001D].EAX[bits 25:14].
1667      */
1668     enum CPUTopoLevel share_level;
1669 } CPUCacheInfo;
1670 
1671 
1672 typedef struct CPUCaches {
1673         CPUCacheInfo *l1d_cache;
1674         CPUCacheInfo *l1i_cache;
1675         CPUCacheInfo *l2_cache;
1676         CPUCacheInfo *l3_cache;
1677 } CPUCaches;
1678 
1679 typedef struct HVFX86LazyFlags {
1680     target_ulong result;
1681     target_ulong auxbits;
1682 } HVFX86LazyFlags;
1683 
1684 typedef struct CPUArchState {
1685     /* standard registers */
1686     target_ulong regs[CPU_NB_REGS];
1687     target_ulong eip;
1688     target_ulong eflags; /* eflags register. During CPU emulation, CC
1689                         flags and DF are set to zero because they are
1690                         stored elsewhere */
1691 
1692     /* emulator internal eflags handling */
1693     target_ulong cc_dst;
1694     target_ulong cc_src;
1695     target_ulong cc_src2;
1696     uint32_t cc_op;
1697     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1698     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1699                         are known at translation time. */
1700     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1701 
1702     /* segments */
1703     SegmentCache segs[6]; /* selector values */
1704     SegmentCache ldt;
1705     SegmentCache tr;
1706     SegmentCache gdt; /* only base and limit are used */
1707     SegmentCache idt; /* only base and limit are used */
1708 
1709     target_ulong cr[5]; /* NOTE: cr1 is unused */
1710 
1711     bool pdptrs_valid;
1712     uint64_t pdptrs[4];
1713     int32_t a20_mask;
1714 
1715     BNDReg bnd_regs[4];
1716     BNDCSReg bndcs_regs;
1717     uint64_t msr_bndcfgs;
1718     uint64_t efer;
1719 
1720     /* Beginning of state preserved by INIT (dummy marker).  */
1721     struct {} start_init_save;
1722 
1723     /* FPU state */
1724     unsigned int fpstt; /* top of stack index */
1725     uint16_t fpus;
1726     uint16_t fpuc;
1727     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1728     FPReg fpregs[8];
1729     /* KVM-only so far */
1730     uint16_t fpop;
1731     uint16_t fpcs;
1732     uint16_t fpds;
1733     uint64_t fpip;
1734     uint64_t fpdp;
1735 
1736     /* emulator internal variables */
1737     float_status fp_status;
1738     floatx80 ft0;
1739 
1740     float_status mmx_status; /* for 3DNow! float ops */
1741     float_status sse_status;
1742     uint32_t mxcsr;
1743     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32] QEMU_ALIGNED(16);
1744     ZMMReg xmm_t0 QEMU_ALIGNED(16);
1745     MMXReg mmx_t0;
1746 
1747     uint64_t opmask_regs[NB_OPMASK_REGS];
1748 #ifdef TARGET_X86_64
1749     uint8_t xtilecfg[64];
1750     uint8_t xtiledata[8192];
1751 #endif
1752 
1753     /* sysenter registers */
1754     uint32_t sysenter_cs;
1755     target_ulong sysenter_esp;
1756     target_ulong sysenter_eip;
1757     uint64_t star;
1758 
1759     uint64_t vm_hsave;
1760 
1761 #ifdef TARGET_X86_64
1762     target_ulong lstar;
1763     target_ulong cstar;
1764     target_ulong fmask;
1765     target_ulong kernelgsbase;
1766 
1767     /* FRED MSRs */
1768     uint64_t fred_rsp0;
1769     uint64_t fred_rsp1;
1770     uint64_t fred_rsp2;
1771     uint64_t fred_rsp3;
1772     uint64_t fred_stklvls;
1773     uint64_t fred_ssp1;
1774     uint64_t fred_ssp2;
1775     uint64_t fred_ssp3;
1776     uint64_t fred_config;
1777 #endif
1778 
1779     uint64_t tsc_adjust;
1780     uint64_t tsc_deadline;
1781     uint64_t tsc_aux;
1782 
1783     uint64_t xcr0;
1784 
1785     uint64_t mcg_status;
1786     uint64_t msr_ia32_misc_enable;
1787     uint64_t msr_ia32_feature_control;
1788     uint64_t msr_ia32_sgxlepubkeyhash[4];
1789 
1790     uint64_t msr_fixed_ctr_ctrl;
1791     uint64_t msr_global_ctrl;
1792     uint64_t msr_global_status;
1793     uint64_t msr_global_ovf_ctrl;
1794     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1795     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1796     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1797 
1798     uint64_t pat;
1799     uint32_t smbase;
1800     uint64_t msr_smi_count;
1801 
1802     uint32_t pkru;
1803     uint32_t pkrs;
1804     uint32_t tsx_ctrl;
1805 
1806     uint64_t spec_ctrl;
1807     uint64_t amd_tsc_scale_msr;
1808     uint64_t virt_ssbd;
1809 
1810     /* End of state preserved by INIT (dummy marker).  */
1811     struct {} end_init_save;
1812 
1813     uint64_t system_time_msr;
1814     uint64_t wall_clock_msr;
1815     uint64_t steal_time_msr;
1816     uint64_t async_pf_en_msr;
1817     uint64_t async_pf_int_msr;
1818     uint64_t pv_eoi_en_msr;
1819     uint64_t poll_control_msr;
1820 
1821     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1822     uint64_t msr_hv_hypercall;
1823     uint64_t msr_hv_guest_os_id;
1824     uint64_t msr_hv_tsc;
1825     uint64_t msr_hv_syndbg_control;
1826     uint64_t msr_hv_syndbg_status;
1827     uint64_t msr_hv_syndbg_send_page;
1828     uint64_t msr_hv_syndbg_recv_page;
1829     uint64_t msr_hv_syndbg_pending_page;
1830     uint64_t msr_hv_syndbg_options;
1831 
1832     /* Per-VCPU HV MSRs */
1833     uint64_t msr_hv_vapic;
1834     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1835     uint64_t msr_hv_runtime;
1836     uint64_t msr_hv_synic_control;
1837     uint64_t msr_hv_synic_evt_page;
1838     uint64_t msr_hv_synic_msg_page;
1839     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1840     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1841     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1842     uint64_t msr_hv_reenlightenment_control;
1843     uint64_t msr_hv_tsc_emulation_control;
1844     uint64_t msr_hv_tsc_emulation_status;
1845 
1846     uint64_t msr_rtit_ctrl;
1847     uint64_t msr_rtit_status;
1848     uint64_t msr_rtit_output_base;
1849     uint64_t msr_rtit_output_mask;
1850     uint64_t msr_rtit_cr3_match;
1851     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1852 
1853     /* Per-VCPU XFD MSRs */
1854     uint64_t msr_xfd;
1855     uint64_t msr_xfd_err;
1856 
1857     /* Per-VCPU Arch LBR MSRs */
1858     uint64_t msr_lbr_ctl;
1859     uint64_t msr_lbr_depth;
1860     LBREntry lbr_records[ARCH_LBR_NR_ENTRIES];
1861 
1862     /* exception/interrupt handling */
1863     int error_code;
1864     int exception_is_int;
1865     target_ulong exception_next_eip;
1866     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1867     union {
1868         struct CPUBreakpoint *cpu_breakpoint[4];
1869         struct CPUWatchpoint *cpu_watchpoint[4];
1870     }; /* break/watchpoints for dr[0..3] */
1871     int old_exception;  /* exception in flight */
1872 
1873     uint64_t vm_vmcb;
1874     uint64_t tsc_offset;
1875     uint64_t intercept;
1876     uint16_t intercept_cr_read;
1877     uint16_t intercept_cr_write;
1878     uint16_t intercept_dr_read;
1879     uint16_t intercept_dr_write;
1880     uint32_t intercept_exceptions;
1881     uint64_t nested_cr3;
1882     uint32_t nested_pg_mode;
1883     uint8_t v_tpr;
1884     uint32_t int_ctl;
1885 
1886     /* KVM states, automatically cleared on reset */
1887     uint8_t nmi_injected;
1888     uint8_t nmi_pending;
1889 
1890     uintptr_t retaddr;
1891 
1892     /* RAPL MSR */
1893     uint64_t msr_rapl_power_unit;
1894     uint64_t msr_pkg_energy_status;
1895 
1896     /* Fields up to this point are cleared by a CPU reset */
1897     struct {} end_reset_fields;
1898 
1899     /* Fields after this point are preserved across CPU reset. */
1900 
1901     /* processor features (e.g. for CPUID insn) */
1902     /* Minimum cpuid leaf 7 value */
1903     uint32_t cpuid_level_func7;
1904     /* Actual cpuid leaf 7 value */
1905     uint32_t cpuid_min_level_func7;
1906     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1907     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1908     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1909     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1910     /* Actual level/xlevel/xlevel2 value: */
1911     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1912     uint32_t cpuid_vendor1;
1913     uint32_t cpuid_vendor2;
1914     uint32_t cpuid_vendor3;
1915     uint32_t cpuid_version;
1916     FeatureWordArray features;
1917     /* Features that were explicitly enabled/disabled */
1918     FeatureWordArray user_features;
1919     uint32_t cpuid_model[12];
1920     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1921      * on each CPUID leaf will be different, because we keep compatibility
1922      * with old QEMU versions.
1923      */
1924     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1925 
1926     /* MTRRs */
1927     uint64_t mtrr_fixed[11];
1928     uint64_t mtrr_deftype;
1929     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1930 
1931     /* For KVM */
1932     uint32_t mp_state;
1933     int32_t exception_nr;
1934     int32_t interrupt_injected;
1935     uint8_t soft_interrupt;
1936     uint8_t exception_pending;
1937     uint8_t exception_injected;
1938     uint8_t has_error_code;
1939     uint8_t exception_has_payload;
1940     uint64_t exception_payload;
1941     uint8_t triple_fault_pending;
1942     uint32_t ins_len;
1943     uint32_t sipi_vector;
1944     bool tsc_valid;
1945     int64_t tsc_khz;
1946     int64_t user_tsc_khz; /* for sanity check only */
1947     uint64_t apic_bus_freq;
1948     uint64_t tsc;
1949 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1950     void *xsave_buf;
1951     uint32_t xsave_buf_len;
1952 #endif
1953 #if defined(CONFIG_KVM)
1954     struct kvm_nested_state *nested_state;
1955     MemoryRegion *xen_vcpu_info_mr;
1956     void *xen_vcpu_info_hva;
1957     uint64_t xen_vcpu_info_gpa;
1958     uint64_t xen_vcpu_info_default_gpa;
1959     uint64_t xen_vcpu_time_info_gpa;
1960     uint64_t xen_vcpu_runstate_gpa;
1961     uint8_t xen_vcpu_callback_vector;
1962     bool xen_callback_asserted;
1963     uint16_t xen_virq[XEN_NR_VIRQS];
1964     uint64_t xen_singleshot_timer_ns;
1965     QEMUTimer *xen_singleshot_timer;
1966     uint64_t xen_periodic_timer_period;
1967     QEMUTimer *xen_periodic_timer;
1968     QemuMutex xen_timers_lock;
1969 #endif
1970 #if defined(CONFIG_HVF)
1971     HVFX86LazyFlags hvf_lflags;
1972     void *hvf_mmio_buf;
1973 #endif
1974 
1975     uint64_t mcg_cap;
1976     uint64_t mcg_ctl;
1977     uint64_t mcg_ext_ctl;
1978     uint64_t mce_banks[MCE_BANKS_DEF*4];
1979     uint64_t xstate_bv;
1980 
1981     /* vmstate */
1982     uint16_t fpus_vmstate;
1983     uint16_t fptag_vmstate;
1984     uint16_t fpregs_format_vmstate;
1985 
1986     uint64_t xss;
1987     uint32_t umwait;
1988 
1989     TPRAccess tpr_access_type;
1990 
1991     /* Number of dies within this CPU package. */
1992     unsigned nr_dies;
1993 
1994     /* Number of modules within one die. */
1995     unsigned nr_modules;
1996 
1997     /* Bitmap of available CPU topology levels for this CPU. */
1998     DECLARE_BITMAP(avail_cpu_topo, CPU_TOPO_LEVEL_MAX);
1999 } CPUX86State;
2000 
2001 struct kvm_msrs;
2002 
2003 /**
2004  * X86CPU:
2005  * @env: #CPUX86State
2006  * @migratable: If set, only migratable flags will be accepted when "enforce"
2007  * mode is used, and only migratable flags will be included in the "host"
2008  * CPU model.
2009  *
2010  * An x86 CPU.
2011  */
2012 struct ArchCPU {
2013     CPUState parent_obj;
2014 
2015     CPUX86State env;
2016     VMChangeStateEntry *vmsentry;
2017 
2018     uint64_t ucode_rev;
2019 
2020     uint32_t hyperv_spinlock_attempts;
2021     char *hyperv_vendor;
2022     bool hyperv_synic_kvm_only;
2023     uint64_t hyperv_features;
2024     bool hyperv_passthrough;
2025     OnOffAuto hyperv_no_nonarch_cs;
2026     uint32_t hyperv_vendor_id[3];
2027     uint32_t hyperv_interface_id[4];
2028     uint32_t hyperv_limits[3];
2029     bool hyperv_enforce_cpuid;
2030     uint32_t hyperv_ver_id_build;
2031     uint16_t hyperv_ver_id_major;
2032     uint16_t hyperv_ver_id_minor;
2033     uint32_t hyperv_ver_id_sp;
2034     uint8_t hyperv_ver_id_sb;
2035     uint32_t hyperv_ver_id_sn;
2036 
2037     bool check_cpuid;
2038     bool enforce_cpuid;
2039     /*
2040      * Force features to be enabled even if the host doesn't support them.
2041      * This is dangerous and should be done only for testing CPUID
2042      * compatibility.
2043      */
2044     bool force_features;
2045     bool expose_kvm;
2046     bool expose_tcg;
2047     bool migratable;
2048     bool migrate_smi_count;
2049     bool max_features; /* Enable all supported features automatically */
2050     uint32_t apic_id;
2051 
2052     /* Enables publishing of TSC increment and Local APIC bus frequencies to
2053      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
2054     bool vmware_cpuid_freq;
2055 
2056     /* if true the CPUID code directly forward host cache leaves to the guest */
2057     bool cache_info_passthrough;
2058 
2059     /* if true the CPUID code directly forwards
2060      * host monitor/mwait leaves to the guest */
2061     struct {
2062         uint32_t eax;
2063         uint32_t ebx;
2064         uint32_t ecx;
2065         uint32_t edx;
2066     } mwait;
2067 
2068     /* Features that were filtered out because of missing host capabilities */
2069     FeatureWordArray filtered_features;
2070 
2071     /* Enable PMU CPUID bits. This can't be enabled by default yet because
2072      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
2073      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
2074      * capabilities) directly to the guest.
2075      */
2076     bool enable_pmu;
2077 
2078     /*
2079      * Enable LBR_FMT bits of IA32_PERF_CAPABILITIES MSR.
2080      * This can't be initialized with a default because it doesn't have
2081      * stable ABI support yet. It is only allowed to pass all LBR_FMT bits
2082      * returned by kvm_arch_get_supported_msr_feature()(which depends on both
2083      * host CPU and kernel capabilities) to the guest.
2084      */
2085     uint64_t lbr_fmt;
2086 
2087     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
2088      * disabled by default to avoid breaking migration between QEMU with
2089      * different LMCE configurations.
2090      */
2091     bool enable_lmce;
2092 
2093     /* Compatibility bits for old machine types.
2094      * If true present virtual l3 cache for VM, the vcpus in the same virtual
2095      * socket share an virtual l3 cache.
2096      */
2097     bool enable_l3_cache;
2098 
2099     /* Compatibility bits for old machine types.
2100      * If true present L1 cache as per-thread, not per-core.
2101      */
2102     bool l1_cache_per_core;
2103 
2104     /* Compatibility bits for old machine types.
2105      * If true present the old cache topology information
2106      */
2107     bool legacy_cache;
2108 
2109     /* Compatibility bits for old machine types.
2110      * If true decode the CPUID Function 0x8000001E_ECX to support multiple
2111      * nodes per processor
2112      */
2113     bool legacy_multi_node;
2114 
2115     /* Compatibility bits for old machine types: */
2116     bool enable_cpuid_0xb;
2117 
2118     /* Enable auto level-increase for all CPUID leaves */
2119     bool full_cpuid_auto_level;
2120 
2121     /* Only advertise CPUID leaves defined by the vendor */
2122     bool vendor_cpuid_only;
2123 
2124     /* Only advertise TOPOEXT features that AMD defines */
2125     bool amd_topoext_features_only;
2126 
2127     /* Enable auto level-increase for Intel Processor Trace leave */
2128     bool intel_pt_auto_level;
2129 
2130     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
2131     bool fill_mtrr_mask;
2132 
2133     /* if true override the phys_bits value with a value read from the host */
2134     bool host_phys_bits;
2135 
2136     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
2137     uint8_t host_phys_bits_limit;
2138 
2139     /* Forcefully disable KVM PV features not exposed in guest CPUIDs */
2140     bool kvm_pv_enforce_cpuid;
2141 
2142     /* Number of physical address bits supported */
2143     uint32_t phys_bits;
2144 
2145     /*
2146      * Number of guest physical address bits available. Usually this is
2147      * identical to host physical address bits. With NPT or EPT 4-level
2148      * paging, guest physical address space might be restricted to 48 bits
2149      * even if the host cpu supports more physical address bits.
2150      */
2151     uint32_t guest_phys_bits;
2152 
2153     /* in order to simplify APIC support, we leave this pointer to the
2154        user */
2155     struct DeviceState *apic_state;
2156     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
2157     Notifier machine_done;
2158 
2159     struct kvm_msrs *kvm_msr_buf;
2160 
2161     int32_t node_id; /* NUMA node this CPU belongs to */
2162     int32_t socket_id;
2163     int32_t die_id;
2164     int32_t module_id;
2165     int32_t core_id;
2166     int32_t thread_id;
2167 
2168     int32_t hv_max_vps;
2169 
2170     bool xen_vapic;
2171 };
2172 
2173 typedef struct X86CPUModel X86CPUModel;
2174 
2175 /**
2176  * X86CPUClass:
2177  * @cpu_def: CPU model definition
2178  * @host_cpuid_required: Whether CPU model requires cpuid from host.
2179  * @ordering: Ordering on the "-cpu help" CPU model list.
2180  * @migration_safe: See CpuDefinitionInfo::migration_safe
2181  * @static_model: See CpuDefinitionInfo::static
2182  * @parent_realize: The parent class' realize handler.
2183  * @parent_phases: The parent class' reset phase handlers.
2184  *
2185  * An x86 CPU model or family.
2186  */
2187 struct X86CPUClass {
2188     CPUClass parent_class;
2189 
2190     /*
2191      * CPU definition, automatically loaded by instance_init if not NULL.
2192      * Should be eventually replaced by subclass-specific property defaults.
2193      */
2194     X86CPUModel *model;
2195 
2196     bool host_cpuid_required;
2197     int ordering;
2198     bool migration_safe;
2199     bool static_model;
2200 
2201     /*
2202      * Optional description of CPU model.
2203      * If unavailable, cpu_def->model_id is used.
2204      */
2205     const char *model_description;
2206 
2207     DeviceRealize parent_realize;
2208     DeviceUnrealize parent_unrealize;
2209     ResettablePhases parent_phases;
2210 };
2211 
2212 #ifndef CONFIG_USER_ONLY
2213 extern const VMStateDescription vmstate_x86_cpu;
2214 #endif
2215 
2216 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
2217 
2218 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
2219                              int cpuid, DumpState *s);
2220 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
2221                              int cpuid, DumpState *s);
2222 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2223                                  DumpState *s);
2224 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
2225                                  DumpState *s);
2226 
2227 bool x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
2228                                 Error **errp);
2229 
2230 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
2231 
2232 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
2233 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
2234 
2235 void x86_cpu_list(void);
2236 int cpu_x86_support_mca_broadcast(CPUX86State *env);
2237 
2238 #ifndef CONFIG_USER_ONLY
2239 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
2240                                          MemTxAttrs *attrs);
2241 int cpu_get_pic_interrupt(CPUX86State *s);
2242 
2243 /* MS-DOS compatibility mode FPU exception support */
2244 void x86_register_ferr_irq(qemu_irq irq);
2245 void fpu_check_raise_ferr_irq(CPUX86State *s);
2246 void cpu_set_ignne(void);
2247 void cpu_clear_ignne(void);
2248 #endif
2249 
2250 /* mpx_helper.c */
2251 void cpu_sync_bndcs_hflags(CPUX86State *env);
2252 
2253 /* this function must always be used to load data in the segment
2254    cache: it synchronizes the hflags with the segment cache values */
cpu_x86_load_seg_cache(CPUX86State * env,X86Seg seg_reg,unsigned int selector,target_ulong base,unsigned int limit,unsigned int flags)2255 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
2256                                           X86Seg seg_reg, unsigned int selector,
2257                                           target_ulong base,
2258                                           unsigned int limit,
2259                                           unsigned int flags)
2260 {
2261     SegmentCache *sc;
2262     unsigned int new_hflags;
2263 
2264     sc = &env->segs[seg_reg];
2265     sc->selector = selector;
2266     sc->base = base;
2267     sc->limit = limit;
2268     sc->flags = flags;
2269 
2270     /* update the hidden flags */
2271     {
2272         if (seg_reg == R_CS) {
2273 #ifdef TARGET_X86_64
2274             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
2275                 /* long mode */
2276                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
2277                 env->hflags &= ~(HF_ADDSEG_MASK);
2278             } else
2279 #endif
2280             {
2281                 /* legacy / compatibility case */
2282                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
2283                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
2284                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
2285                     new_hflags;
2286             }
2287         }
2288         if (seg_reg == R_SS) {
2289             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
2290 #if HF_CPL_MASK != 3
2291 #error HF_CPL_MASK is hardcoded
2292 #endif
2293             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
2294             /* Possibly switch between BNDCFGS and BNDCFGU */
2295             cpu_sync_bndcs_hflags(env);
2296         }
2297         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
2298             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
2299         if (env->hflags & HF_CS64_MASK) {
2300             /* zero base assumed for DS, ES and SS in long mode */
2301         } else if (!(env->cr[0] & CR0_PE_MASK) ||
2302                    (env->eflags & VM_MASK) ||
2303                    !(env->hflags & HF_CS32_MASK)) {
2304             /* XXX: try to avoid this test. The problem comes from the
2305                fact that is real mode or vm86 mode we only modify the
2306                'base' and 'selector' fields of the segment cache to go
2307                faster. A solution may be to force addseg to one in
2308                translate-i386.c. */
2309             new_hflags |= HF_ADDSEG_MASK;
2310         } else {
2311             new_hflags |= ((env->segs[R_DS].base |
2312                             env->segs[R_ES].base |
2313                             env->segs[R_SS].base) != 0) <<
2314                 HF_ADDSEG_SHIFT;
2315         }
2316         env->hflags = (env->hflags &
2317                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
2318     }
2319 }
2320 
cpu_x86_load_seg_cache_sipi(X86CPU * cpu,uint8_t sipi_vector)2321 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
2322                                                uint8_t sipi_vector)
2323 {
2324     CPUState *cs = CPU(cpu);
2325     CPUX86State *env = &cpu->env;
2326 
2327     env->eip = 0;
2328     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
2329                            sipi_vector << 12,
2330                            env->segs[R_CS].limit,
2331                            env->segs[R_CS].flags);
2332     cs->halted = 0;
2333 }
2334 
2335 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
2336                             target_ulong *base, unsigned int *limit,
2337                             unsigned int *flags);
2338 
2339 /* op_helper.c */
2340 /* used for debug or cpu save/restore */
2341 
2342 /* cpu-exec.c */
2343 /*
2344  * The following helpers are only usable in user mode simulation.
2345  * The host pointers should come from lock_user().
2346  */
2347 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
2348 void cpu_x86_fsave(CPUX86State *s, void *host, size_t len);
2349 void cpu_x86_frstor(CPUX86State *s, void *host, size_t len);
2350 void cpu_x86_fxsave(CPUX86State *s, void *host, size_t len);
2351 void cpu_x86_fxrstor(CPUX86State *s, void *host, size_t len);
2352 void cpu_x86_xsave(CPUX86State *s, void *host, size_t len, uint64_t rbfm);
2353 bool cpu_x86_xrstor(CPUX86State *s, void *host, size_t len, uint64_t rbfm);
2354 
2355 /* cpu.c */
2356 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
2357                               uint32_t vendor2, uint32_t vendor3);
2358 typedef struct PropValue {
2359     const char *prop, *value;
2360 } PropValue;
2361 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props);
2362 
2363 void x86_cpu_after_reset(X86CPU *cpu);
2364 
2365 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env);
2366 
2367 /* cpu.c other functions (cpuid) */
2368 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2369                    uint32_t *eax, uint32_t *ebx,
2370                    uint32_t *ecx, uint32_t *edx);
2371 void cpu_clear_apic_feature(CPUX86State *env);
2372 void cpu_set_apic_feature(CPUX86State *env);
2373 void host_cpuid(uint32_t function, uint32_t count,
2374                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
2375 bool cpu_has_x2apic_feature(CPUX86State *env);
2376 
2377 /* helper.c */
2378 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
2379 void cpu_sync_avx_hflag(CPUX86State *env);
2380 
2381 #ifndef CONFIG_USER_ONLY
x86_asidx_from_attrs(CPUState * cs,MemTxAttrs attrs)2382 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
2383 {
2384     return !!attrs.secure;
2385 }
2386 
cpu_addressspace(CPUState * cs,MemTxAttrs attrs)2387 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
2388 {
2389     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
2390 }
2391 
2392 /*
2393  * load efer and update the corresponding hflags. XXX: do consistency
2394  * checks with cpuid bits?
2395  */
2396 void cpu_load_efer(CPUX86State *env, uint64_t val);
2397 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
2398 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
2399 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
2400 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
2401 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
2402 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
2403 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
2404 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
2405 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
2406 #endif
2407 
2408 /* will be suppressed */
2409 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
2410 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
2411 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
2412 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
2413 
2414 /* hw/pc.c */
2415 uint64_t cpu_get_tsc(CPUX86State *env);
2416 
2417 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
2418 
2419 #ifdef TARGET_X86_64
2420 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
2421 #else
2422 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
2423 #endif
2424 
2425 #define cpu_list x86_cpu_list
2426 
2427 /* MMU modes definitions */
2428 #define MMU_KSMAP64_IDX    0
2429 #define MMU_KSMAP32_IDX    1
2430 #define MMU_USER64_IDX     2
2431 #define MMU_USER32_IDX     3
2432 #define MMU_KNOSMAP64_IDX  4
2433 #define MMU_KNOSMAP32_IDX  5
2434 #define MMU_PHYS_IDX       6
2435 #define MMU_NESTED_IDX     7
2436 
2437 #ifdef CONFIG_USER_ONLY
2438 #ifdef TARGET_X86_64
2439 #define MMU_USER_IDX MMU_USER64_IDX
2440 #else
2441 #define MMU_USER_IDX MMU_USER32_IDX
2442 #endif
2443 #endif
2444 
is_mmu_index_smap(int mmu_index)2445 static inline bool is_mmu_index_smap(int mmu_index)
2446 {
2447     return (mmu_index & ~1) == MMU_KSMAP64_IDX;
2448 }
2449 
is_mmu_index_user(int mmu_index)2450 static inline bool is_mmu_index_user(int mmu_index)
2451 {
2452     return (mmu_index & ~1) == MMU_USER64_IDX;
2453 }
2454 
is_mmu_index_32(int mmu_index)2455 static inline bool is_mmu_index_32(int mmu_index)
2456 {
2457     assert(mmu_index < MMU_PHYS_IDX);
2458     return mmu_index & 1;
2459 }
2460 
2461 int x86_mmu_index_pl(CPUX86State *env, unsigned pl);
2462 int cpu_mmu_index_kernel(CPUX86State *env);
2463 
2464 #define CC_DST  (env->cc_dst)
2465 #define CC_SRC  (env->cc_src)
2466 #define CC_SRC2 (env->cc_src2)
2467 #define CC_OP   (env->cc_op)
2468 
2469 #include "exec/cpu-all.h"
2470 #include "svm.h"
2471 
2472 #if !defined(CONFIG_USER_ONLY)
2473 #include "hw/i386/apic.h"
2474 #endif
2475 
cpu_get_tb_cpu_state(CPUX86State * env,vaddr * pc,uint64_t * cs_base,uint32_t * flags)2476 static inline void cpu_get_tb_cpu_state(CPUX86State *env, vaddr *pc,
2477                                         uint64_t *cs_base, uint32_t *flags)
2478 {
2479     *flags = env->hflags |
2480         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2481     if (env->hflags & HF_CS64_MASK) {
2482         *cs_base = 0;
2483         *pc = env->eip;
2484     } else {
2485         *cs_base = env->segs[R_CS].base;
2486         *pc = (uint32_t)(*cs_base + env->eip);
2487     }
2488 }
2489 
2490 void do_cpu_init(X86CPU *cpu);
2491 
2492 #define MCE_INJECT_BROADCAST    1
2493 #define MCE_INJECT_UNCOND_AO    2
2494 
2495 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2496                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2497                         uint64_t misc, int flags);
2498 
2499 uint32_t cpu_cc_compute_all(CPUX86State *env1);
2500 
cpu_compute_eflags(CPUX86State * env)2501 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2502 {
2503     uint32_t eflags = env->eflags;
2504     if (tcg_enabled()) {
2505         eflags |= cpu_cc_compute_all(env) | (env->df & DF_MASK);
2506     }
2507     return eflags;
2508 }
2509 
cpu_get_mem_attrs(CPUX86State * env)2510 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2511 {
2512     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2513 }
2514 
x86_get_a20_mask(CPUX86State * env)2515 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2516 {
2517     if (env->hflags & HF_SMM_MASK) {
2518         return -1;
2519     } else {
2520         return env->a20_mask;
2521     }
2522 }
2523 
cpu_has_vmx(CPUX86State * env)2524 static inline bool cpu_has_vmx(CPUX86State *env)
2525 {
2526     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2527 }
2528 
cpu_has_svm(CPUX86State * env)2529 static inline bool cpu_has_svm(CPUX86State *env)
2530 {
2531     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2532 }
2533 
2534 /*
2535  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2536  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2537  * VMX operation. This is because CR4.VMXE is one of the bits set
2538  * in MSR_IA32_VMX_CR4_FIXED1.
2539  *
2540  * There is one exception to above statement when vCPU enters SMM mode.
2541  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2542  * may also reset CR4.VMXE during execution in SMM mode.
2543  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2544  * and CR4.VMXE is restored to it's original value of being set.
2545  *
2546  * Therefore, when vCPU is not in SMM mode, we can infer whether
2547  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2548  * know for certain.
2549  */
cpu_vmx_maybe_enabled(CPUX86State * env)2550 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2551 {
2552     return cpu_has_vmx(env) &&
2553            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2554 }
2555 
2556 /* excp_helper.c */
2557 int get_pg_mode(CPUX86State *env);
2558 
2559 /* fpu_helper.c */
2560 void update_fp_status(CPUX86State *env);
2561 void update_mxcsr_status(CPUX86State *env);
2562 void update_mxcsr_from_sse_status(CPUX86State *env);
2563 
cpu_set_mxcsr(CPUX86State * env,uint32_t mxcsr)2564 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2565 {
2566     env->mxcsr = mxcsr;
2567     if (tcg_enabled()) {
2568         update_mxcsr_status(env);
2569     }
2570 }
2571 
cpu_set_fpuc(CPUX86State * env,uint16_t fpuc)2572 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2573 {
2574      env->fpuc = fpuc;
2575      if (tcg_enabled()) {
2576         update_fp_status(env);
2577      }
2578 }
2579 
2580 /* svm_helper.c */
2581 #ifdef CONFIG_USER_ONLY
2582 static inline void
cpu_svm_check_intercept_param(CPUX86State * env1,uint32_t type,uint64_t param,uintptr_t retaddr)2583 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2584                               uint64_t param, uintptr_t retaddr)
2585 { /* no-op */ }
2586 static inline bool
cpu_svm_has_intercept(CPUX86State * env,uint32_t type)2587 cpu_svm_has_intercept(CPUX86State *env, uint32_t type)
2588 { return false; }
2589 #else
2590 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2591                                    uint64_t param, uintptr_t retaddr);
2592 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type);
2593 #endif
2594 
2595 /* apic.c */
2596 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2597 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2598                                    TPRAccess access);
2599 
2600 /* Special values for X86CPUVersion: */
2601 
2602 /* Resolve to latest CPU version */
2603 #define CPU_VERSION_LATEST -1
2604 
2605 /*
2606  * Resolve to version defined by current machine type.
2607  * See x86_cpu_set_default_version()
2608  */
2609 #define CPU_VERSION_AUTO   -2
2610 
2611 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2612 #define CPU_VERSION_LEGACY  0
2613 
2614 typedef int X86CPUVersion;
2615 
2616 /*
2617  * Set default CPU model version for CPU models having
2618  * version == CPU_VERSION_AUTO.
2619  */
2620 void x86_cpu_set_default_version(X86CPUVersion version);
2621 
2622 #ifndef CONFIG_USER_ONLY
2623 
2624 void do_cpu_sipi(X86CPU *cpu);
2625 
2626 #define APIC_DEFAULT_ADDRESS 0xfee00000
2627 #define APIC_SPACE_SIZE      0x100000
2628 
2629 /* cpu-dump.c */
2630 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2631 
2632 #endif
2633 
2634 /* cpu.c */
2635 bool cpu_is_bsp(X86CPU *cpu);
2636 
2637 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen);
2638 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen);
2639 uint32_t xsave_area_size(uint64_t mask, bool compacted);
2640 void x86_update_hflags(CPUX86State* env);
2641 
hyperv_feat_enabled(X86CPU * cpu,int feat)2642 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2643 {
2644     return !!(cpu->hyperv_features & BIT(feat));
2645 }
2646 
cr4_reserved_bits(CPUX86State * env)2647 static inline uint64_t cr4_reserved_bits(CPUX86State *env)
2648 {
2649     uint64_t reserved_bits = CR4_RESERVED_MASK;
2650     if (!env->features[FEAT_XSAVE]) {
2651         reserved_bits |= CR4_OSXSAVE_MASK;
2652     }
2653     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) {
2654         reserved_bits |= CR4_SMEP_MASK;
2655     }
2656     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
2657         reserved_bits |= CR4_SMAP_MASK;
2658     }
2659     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) {
2660         reserved_bits |= CR4_FSGSBASE_MASK;
2661     }
2662     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) {
2663         reserved_bits |= CR4_PKE_MASK;
2664     }
2665     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) {
2666         reserved_bits |= CR4_LA57_MASK;
2667     }
2668     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) {
2669         reserved_bits |= CR4_UMIP_MASK;
2670     }
2671     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) {
2672         reserved_bits |= CR4_PKS_MASK;
2673     }
2674     if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_LAM)) {
2675         reserved_bits |= CR4_LAM_SUP_MASK;
2676     }
2677     if (!(env->features[FEAT_7_1_EAX] & CPUID_7_1_EAX_FRED)) {
2678         reserved_bits |= CR4_FRED_MASK;
2679     }
2680     return reserved_bits;
2681 }
2682 
ctl_has_irq(CPUX86State * env)2683 static inline bool ctl_has_irq(CPUX86State *env)
2684 {
2685     uint32_t int_prio;
2686     uint32_t tpr;
2687 
2688     int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT;
2689     tpr = env->int_ctl & V_TPR_MASK;
2690 
2691     if (env->int_ctl & V_IGN_TPR_MASK) {
2692         return (env->int_ctl & V_IRQ_MASK);
2693     }
2694 
2695     return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr);
2696 }
2697 
2698 #if defined(TARGET_X86_64) && \
2699     defined(CONFIG_USER_ONLY) && \
2700     defined(CONFIG_LINUX)
2701 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2702 #endif
2703 
2704 #endif /* I386_CPU_H */
2705