xref: /openbmc/qemu/target/i386/cpu.h (revision 91654e61)
1 /*
2  * i386 virtual CPU header
3  *
4  *  Copyright (c) 2003 Fabrice Bellard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef I386_CPU_H
21 #define I386_CPU_H
22 
23 #include "sysemu/tcg.h"
24 #include "cpu-qom.h"
25 #include "kvm/hyperv-proto.h"
26 #include "exec/cpu-defs.h"
27 #include "qapi/qapi-types-common.h"
28 
29 /* The x86 has a strong memory model with some store-after-load re-ordering */
30 #define TCG_GUEST_DEFAULT_MO      (TCG_MO_ALL & ~TCG_MO_ST_LD)
31 
32 #define KVM_HAVE_MCE_INJECTION 1
33 
34 /* support for self modifying code even if the modified instruction is
35    close to the modifying instruction */
36 #define TARGET_HAS_PRECISE_SMC
37 
38 #ifdef TARGET_X86_64
39 #define I386_ELF_MACHINE  EM_X86_64
40 #define ELF_MACHINE_UNAME "x86_64"
41 #else
42 #define I386_ELF_MACHINE  EM_386
43 #define ELF_MACHINE_UNAME "i686"
44 #endif
45 
46 enum {
47     R_EAX = 0,
48     R_ECX = 1,
49     R_EDX = 2,
50     R_EBX = 3,
51     R_ESP = 4,
52     R_EBP = 5,
53     R_ESI = 6,
54     R_EDI = 7,
55     R_R8 = 8,
56     R_R9 = 9,
57     R_R10 = 10,
58     R_R11 = 11,
59     R_R12 = 12,
60     R_R13 = 13,
61     R_R14 = 14,
62     R_R15 = 15,
63 
64     R_AL = 0,
65     R_CL = 1,
66     R_DL = 2,
67     R_BL = 3,
68     R_AH = 4,
69     R_CH = 5,
70     R_DH = 6,
71     R_BH = 7,
72 };
73 
74 typedef enum X86Seg {
75     R_ES = 0,
76     R_CS = 1,
77     R_SS = 2,
78     R_DS = 3,
79     R_FS = 4,
80     R_GS = 5,
81     R_LDTR = 6,
82     R_TR = 7,
83 } X86Seg;
84 
85 /* segment descriptor fields */
86 #define DESC_G_SHIFT    23
87 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
88 #define DESC_B_SHIFT    22
89 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
90 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
91 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
92 #define DESC_AVL_SHIFT  20
93 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
94 #define DESC_P_SHIFT    15
95 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
96 #define DESC_DPL_SHIFT  13
97 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
98 #define DESC_S_SHIFT    12
99 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
100 #define DESC_TYPE_SHIFT 8
101 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
102 #define DESC_A_MASK     (1 << 8)
103 
104 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
105 #define DESC_C_MASK     (1 << 10) /* code: conforming */
106 #define DESC_R_MASK     (1 << 9)  /* code: readable */
107 
108 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
109 #define DESC_W_MASK     (1 << 9)  /* data: writable */
110 
111 #define DESC_TSS_BUSY_MASK (1 << 9)
112 
113 /* eflags masks */
114 #define CC_C    0x0001
115 #define CC_P    0x0004
116 #define CC_A    0x0010
117 #define CC_Z    0x0040
118 #define CC_S    0x0080
119 #define CC_O    0x0800
120 
121 #define TF_SHIFT   8
122 #define IOPL_SHIFT 12
123 #define VM_SHIFT   17
124 
125 #define TF_MASK                 0x00000100
126 #define IF_MASK                 0x00000200
127 #define DF_MASK                 0x00000400
128 #define IOPL_MASK               0x00003000
129 #define NT_MASK                 0x00004000
130 #define RF_MASK                 0x00010000
131 #define VM_MASK                 0x00020000
132 #define AC_MASK                 0x00040000
133 #define VIF_MASK                0x00080000
134 #define VIP_MASK                0x00100000
135 #define ID_MASK                 0x00200000
136 
137 /* hidden flags - used internally by qemu to represent additional cpu
138    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
139    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
140    positions to ease oring with eflags. */
141 /* current cpl */
142 #define HF_CPL_SHIFT         0
143 /* true if hardware interrupts must be disabled for next instruction */
144 #define HF_INHIBIT_IRQ_SHIFT 3
145 /* 16 or 32 segments */
146 #define HF_CS32_SHIFT        4
147 #define HF_SS32_SHIFT        5
148 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
149 #define HF_ADDSEG_SHIFT      6
150 /* copy of CR0.PE (protected mode) */
151 #define HF_PE_SHIFT          7
152 #define HF_TF_SHIFT          8 /* must be same as eflags */
153 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
154 #define HF_EM_SHIFT         10
155 #define HF_TS_SHIFT         11
156 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
157 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
158 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
159 #define HF_RF_SHIFT         16 /* must be same as eflags */
160 #define HF_VM_SHIFT         17 /* must be same as eflags */
161 #define HF_AC_SHIFT         18 /* must be same as eflags */
162 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
163 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
164 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
165 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
166 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
167 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
168 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
169 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
170 
171 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
172 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
173 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
174 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
175 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
176 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
177 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
178 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
179 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
180 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
181 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
182 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
183 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
184 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
185 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
186 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
187 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
188 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
189 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
190 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
191 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
192 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
193 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
194 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
195 
196 /* hflags2 */
197 
198 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
199 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
200 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
201 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
202 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
203 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
204 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
205 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
206 #define HF2_VGIF_SHIFT           8 /* Can take VIRQ*/
207 
208 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
209 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
210 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
211 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
212 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
213 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
214 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
215 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
216 #define HF2_VGIF_MASK           (1 << HF2_VGIF_SHIFT)
217 
218 #define CR0_PE_SHIFT 0
219 #define CR0_MP_SHIFT 1
220 
221 #define CR0_PE_MASK  (1U << 0)
222 #define CR0_MP_MASK  (1U << 1)
223 #define CR0_EM_MASK  (1U << 2)
224 #define CR0_TS_MASK  (1U << 3)
225 #define CR0_ET_MASK  (1U << 4)
226 #define CR0_NE_MASK  (1U << 5)
227 #define CR0_WP_MASK  (1U << 16)
228 #define CR0_AM_MASK  (1U << 18)
229 #define CR0_NW_MASK  (1U << 29)
230 #define CR0_CD_MASK  (1U << 30)
231 #define CR0_PG_MASK  (1U << 31)
232 
233 #define CR4_VME_MASK  (1U << 0)
234 #define CR4_PVI_MASK  (1U << 1)
235 #define CR4_TSD_MASK  (1U << 2)
236 #define CR4_DE_MASK   (1U << 3)
237 #define CR4_PSE_MASK  (1U << 4)
238 #define CR4_PAE_MASK  (1U << 5)
239 #define CR4_MCE_MASK  (1U << 6)
240 #define CR4_PGE_MASK  (1U << 7)
241 #define CR4_PCE_MASK  (1U << 8)
242 #define CR4_OSFXSR_SHIFT 9
243 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
244 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
245 #define CR4_UMIP_MASK   (1U << 11)
246 #define CR4_LA57_MASK   (1U << 12)
247 #define CR4_VMXE_MASK   (1U << 13)
248 #define CR4_SMXE_MASK   (1U << 14)
249 #define CR4_FSGSBASE_MASK (1U << 16)
250 #define CR4_PCIDE_MASK  (1U << 17)
251 #define CR4_OSXSAVE_MASK (1U << 18)
252 #define CR4_SMEP_MASK   (1U << 20)
253 #define CR4_SMAP_MASK   (1U << 21)
254 #define CR4_PKE_MASK   (1U << 22)
255 #define CR4_PKS_MASK   (1U << 24)
256 
257 #define CR4_RESERVED_MASK \
258 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
259                 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
260                 | CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
261                 | CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK |CR4_UMIP_MASK \
262                 | CR4_LA57_MASK \
263                 | CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
264                 | CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK))
265 
266 #define DR6_BD          (1 << 13)
267 #define DR6_BS          (1 << 14)
268 #define DR6_BT          (1 << 15)
269 #define DR6_FIXED_1     0xffff0ff0
270 
271 #define DR7_GD          (1 << 13)
272 #define DR7_TYPE_SHIFT  16
273 #define DR7_LEN_SHIFT   18
274 #define DR7_FIXED_1     0x00000400
275 #define DR7_GLOBAL_BP_MASK   0xaa
276 #define DR7_LOCAL_BP_MASK    0x55
277 #define DR7_MAX_BP           4
278 #define DR7_TYPE_BP_INST     0x0
279 #define DR7_TYPE_DATA_WR     0x1
280 #define DR7_TYPE_IO_RW       0x2
281 #define DR7_TYPE_DATA_RW     0x3
282 
283 #define DR_RESERVED_MASK 0xffffffff00000000ULL
284 
285 #define PG_PRESENT_BIT  0
286 #define PG_RW_BIT       1
287 #define PG_USER_BIT     2
288 #define PG_PWT_BIT      3
289 #define PG_PCD_BIT      4
290 #define PG_ACCESSED_BIT 5
291 #define PG_DIRTY_BIT    6
292 #define PG_PSE_BIT      7
293 #define PG_GLOBAL_BIT   8
294 #define PG_PSE_PAT_BIT  12
295 #define PG_PKRU_BIT     59
296 #define PG_NX_BIT       63
297 
298 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
299 #define PG_RW_MASK       (1 << PG_RW_BIT)
300 #define PG_USER_MASK     (1 << PG_USER_BIT)
301 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
302 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
303 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
304 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
305 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
306 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
307 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
308 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
309 #define PG_HI_USER_MASK  0x7ff0000000000000LL
310 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
311 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
312 
313 #define PG_ERROR_W_BIT     1
314 
315 #define PG_ERROR_P_MASK    0x01
316 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
317 #define PG_ERROR_U_MASK    0x04
318 #define PG_ERROR_RSVD_MASK 0x08
319 #define PG_ERROR_I_D_MASK  0x10
320 #define PG_ERROR_PK_MASK   0x20
321 
322 #define PG_MODE_PAE      (1 << 0)
323 #define PG_MODE_LMA      (1 << 1)
324 #define PG_MODE_NXE      (1 << 2)
325 #define PG_MODE_PSE      (1 << 3)
326 #define PG_MODE_LA57     (1 << 4)
327 #define PG_MODE_SVM_MASK MAKE_64BIT_MASK(0, 15)
328 
329 /* Bits of CR4 that do not affect the NPT page format.  */
330 #define PG_MODE_WP       (1 << 16)
331 #define PG_MODE_PKE      (1 << 17)
332 #define PG_MODE_PKS      (1 << 18)
333 #define PG_MODE_SMEP     (1 << 19)
334 
335 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
336 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
337 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
338 
339 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
340 #define MCE_BANKS_DEF   10
341 
342 #define MCG_CAP_BANKS_MASK 0xff
343 
344 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
345 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
346 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
347 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
348 
349 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
350 
351 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
352 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
353 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
354 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
355 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
356 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
357 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
358 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
359 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
360 
361 /* MISC register defines */
362 #define MCM_ADDR_SEGOFF  0      /* segment offset */
363 #define MCM_ADDR_LINEAR  1      /* linear address */
364 #define MCM_ADDR_PHYS    2      /* physical address */
365 #define MCM_ADDR_MEM     3      /* memory address */
366 #define MCM_ADDR_GENERIC 7      /* generic */
367 
368 #define MSR_IA32_TSC                    0x10
369 #define MSR_IA32_APICBASE               0x1b
370 #define MSR_IA32_APICBASE_BSP           (1<<8)
371 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
372 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
373 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
374 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
375 #define MSR_TSC_ADJUST                  0x0000003b
376 #define MSR_IA32_SPEC_CTRL              0x48
377 #define MSR_VIRT_SSBD                   0xc001011f
378 #define MSR_IA32_PRED_CMD               0x49
379 #define MSR_IA32_UCODE_REV              0x8b
380 #define MSR_IA32_CORE_CAPABILITY        0xcf
381 
382 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
383 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
384 
385 #define MSR_IA32_PERF_CAPABILITIES      0x345
386 
387 #define MSR_IA32_TSX_CTRL		0x122
388 #define MSR_IA32_TSCDEADLINE            0x6e0
389 #define MSR_IA32_PKRS                   0x6e1
390 
391 #define FEATURE_CONTROL_LOCKED                    (1<<0)
392 #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX  (1ULL << 1)
393 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
394 #define FEATURE_CONTROL_SGX_LC                    (1ULL << 17)
395 #define FEATURE_CONTROL_SGX                       (1ULL << 18)
396 #define FEATURE_CONTROL_LMCE                      (1<<20)
397 
398 #define MSR_IA32_SGXLEPUBKEYHASH0       0x8c
399 #define MSR_IA32_SGXLEPUBKEYHASH1       0x8d
400 #define MSR_IA32_SGXLEPUBKEYHASH2       0x8e
401 #define MSR_IA32_SGXLEPUBKEYHASH3       0x8f
402 
403 #define MSR_P6_PERFCTR0                 0xc1
404 
405 #define MSR_IA32_SMBASE                 0x9e
406 #define MSR_SMI_COUNT                   0x34
407 #define MSR_CORE_THREAD_COUNT           0x35
408 #define MSR_MTRRcap                     0xfe
409 #define MSR_MTRRcap_VCNT                8
410 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
411 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
412 
413 #define MSR_IA32_SYSENTER_CS            0x174
414 #define MSR_IA32_SYSENTER_ESP           0x175
415 #define MSR_IA32_SYSENTER_EIP           0x176
416 
417 #define MSR_MCG_CAP                     0x179
418 #define MSR_MCG_STATUS                  0x17a
419 #define MSR_MCG_CTL                     0x17b
420 #define MSR_MCG_EXT_CTL                 0x4d0
421 
422 #define MSR_P6_EVNTSEL0                 0x186
423 
424 #define MSR_IA32_PERF_STATUS            0x198
425 
426 #define MSR_IA32_MISC_ENABLE            0x1a0
427 /* Indicates good rep/movs microcode on some processors: */
428 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
429 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
430 
431 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
432 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
433 
434 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
435 
436 #define MSR_MTRRfix64K_00000            0x250
437 #define MSR_MTRRfix16K_80000            0x258
438 #define MSR_MTRRfix16K_A0000            0x259
439 #define MSR_MTRRfix4K_C0000             0x268
440 #define MSR_MTRRfix4K_C8000             0x269
441 #define MSR_MTRRfix4K_D0000             0x26a
442 #define MSR_MTRRfix4K_D8000             0x26b
443 #define MSR_MTRRfix4K_E0000             0x26c
444 #define MSR_MTRRfix4K_E8000             0x26d
445 #define MSR_MTRRfix4K_F0000             0x26e
446 #define MSR_MTRRfix4K_F8000             0x26f
447 
448 #define MSR_PAT                         0x277
449 
450 #define MSR_MTRRdefType                 0x2ff
451 
452 #define MSR_CORE_PERF_FIXED_CTR0        0x309
453 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
454 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
455 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
456 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
457 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
458 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
459 
460 #define MSR_MC0_CTL                     0x400
461 #define MSR_MC0_STATUS                  0x401
462 #define MSR_MC0_ADDR                    0x402
463 #define MSR_MC0_MISC                    0x403
464 
465 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
466 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
467 #define MSR_IA32_RTIT_CTL               0x570
468 #define MSR_IA32_RTIT_STATUS            0x571
469 #define MSR_IA32_RTIT_CR3_MATCH         0x572
470 #define MSR_IA32_RTIT_ADDR0_A           0x580
471 #define MSR_IA32_RTIT_ADDR0_B           0x581
472 #define MSR_IA32_RTIT_ADDR1_A           0x582
473 #define MSR_IA32_RTIT_ADDR1_B           0x583
474 #define MSR_IA32_RTIT_ADDR2_A           0x584
475 #define MSR_IA32_RTIT_ADDR2_B           0x585
476 #define MSR_IA32_RTIT_ADDR3_A           0x586
477 #define MSR_IA32_RTIT_ADDR3_B           0x587
478 #define MAX_RTIT_ADDRS                  8
479 
480 #define MSR_EFER                        0xc0000080
481 
482 #define MSR_EFER_SCE   (1 << 0)
483 #define MSR_EFER_LME   (1 << 8)
484 #define MSR_EFER_LMA   (1 << 10)
485 #define MSR_EFER_NXE   (1 << 11)
486 #define MSR_EFER_SVME  (1 << 12)
487 #define MSR_EFER_FFXSR (1 << 14)
488 
489 #define MSR_EFER_RESERVED\
490         (~(target_ulong)(MSR_EFER_SCE | MSR_EFER_LME\
491             | MSR_EFER_LMA | MSR_EFER_NXE | MSR_EFER_SVME\
492             | MSR_EFER_FFXSR))
493 
494 #define MSR_STAR                        0xc0000081
495 #define MSR_LSTAR                       0xc0000082
496 #define MSR_CSTAR                       0xc0000083
497 #define MSR_FMASK                       0xc0000084
498 #define MSR_FSBASE                      0xc0000100
499 #define MSR_GSBASE                      0xc0000101
500 #define MSR_KERNELGSBASE                0xc0000102
501 #define MSR_TSC_AUX                     0xc0000103
502 #define MSR_AMD64_TSC_RATIO             0xc0000104
503 
504 #define MSR_AMD64_TSC_RATIO_DEFAULT     0x100000000ULL
505 
506 #define MSR_VM_HSAVE_PA                 0xc0010117
507 
508 #define MSR_IA32_BNDCFGS                0x00000d90
509 #define MSR_IA32_XSS                    0x00000da0
510 #define MSR_IA32_UMWAIT_CONTROL         0xe1
511 
512 #define MSR_IA32_VMX_BASIC              0x00000480
513 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
514 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
515 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
516 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
517 #define MSR_IA32_VMX_MISC               0x00000485
518 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
519 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
520 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
521 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
522 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
523 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
524 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
525 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
526 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
527 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
528 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
529 #define MSR_IA32_VMX_VMFUNC             0x00000491
530 
531 #define XSTATE_FP_BIT                   0
532 #define XSTATE_SSE_BIT                  1
533 #define XSTATE_YMM_BIT                  2
534 #define XSTATE_BNDREGS_BIT              3
535 #define XSTATE_BNDCSR_BIT               4
536 #define XSTATE_OPMASK_BIT               5
537 #define XSTATE_ZMM_Hi256_BIT            6
538 #define XSTATE_Hi16_ZMM_BIT             7
539 #define XSTATE_PKRU_BIT                 9
540 
541 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
542 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
543 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
544 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
545 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
546 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
547 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
548 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
549 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
550 
551 /* CPUID feature words */
552 typedef enum FeatureWord {
553     FEAT_1_EDX,         /* CPUID[1].EDX */
554     FEAT_1_ECX,         /* CPUID[1].ECX */
555     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
556     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
557     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
558     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
559     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
560     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
561     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
562     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
563     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
564     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
565     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
566     FEAT_SVM,           /* CPUID[8000_000A].EDX */
567     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
568     FEAT_6_EAX,         /* CPUID[6].EAX */
569     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
570     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
571     FEAT_ARCH_CAPABILITIES,
572     FEAT_CORE_CAPABILITY,
573     FEAT_PERF_CAPABILITIES,
574     FEAT_VMX_PROCBASED_CTLS,
575     FEAT_VMX_SECONDARY_CTLS,
576     FEAT_VMX_PINBASED_CTLS,
577     FEAT_VMX_EXIT_CTLS,
578     FEAT_VMX_ENTRY_CTLS,
579     FEAT_VMX_MISC,
580     FEAT_VMX_EPT_VPID_CAPS,
581     FEAT_VMX_BASIC,
582     FEAT_VMX_VMFUNC,
583     FEAT_14_0_ECX,
584     FEAT_SGX_12_0_EAX,  /* CPUID[EAX=0x12,ECX=0].EAX (SGX) */
585     FEAT_SGX_12_0_EBX,  /* CPUID[EAX=0x12,ECX=0].EBX (SGX MISCSELECT[31:0]) */
586     FEAT_SGX_12_1_EAX,  /* CPUID[EAX=0x12,ECX=1].EAX (SGX ATTRIBUTES[31:0]) */
587     FEATURE_WORDS,
588 } FeatureWord;
589 
590 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
591 
592 /* cpuid_features bits */
593 #define CPUID_FP87 (1U << 0)
594 #define CPUID_VME  (1U << 1)
595 #define CPUID_DE   (1U << 2)
596 #define CPUID_PSE  (1U << 3)
597 #define CPUID_TSC  (1U << 4)
598 #define CPUID_MSR  (1U << 5)
599 #define CPUID_PAE  (1U << 6)
600 #define CPUID_MCE  (1U << 7)
601 #define CPUID_CX8  (1U << 8)
602 #define CPUID_APIC (1U << 9)
603 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
604 #define CPUID_MTRR (1U << 12)
605 #define CPUID_PGE  (1U << 13)
606 #define CPUID_MCA  (1U << 14)
607 #define CPUID_CMOV (1U << 15)
608 #define CPUID_PAT  (1U << 16)
609 #define CPUID_PSE36   (1U << 17)
610 #define CPUID_PN   (1U << 18)
611 #define CPUID_CLFLUSH (1U << 19)
612 #define CPUID_DTS (1U << 21)
613 #define CPUID_ACPI (1U << 22)
614 #define CPUID_MMX  (1U << 23)
615 #define CPUID_FXSR (1U << 24)
616 #define CPUID_SSE  (1U << 25)
617 #define CPUID_SSE2 (1U << 26)
618 #define CPUID_SS (1U << 27)
619 #define CPUID_HT (1U << 28)
620 #define CPUID_TM (1U << 29)
621 #define CPUID_IA64 (1U << 30)
622 #define CPUID_PBE (1U << 31)
623 
624 #define CPUID_EXT_SSE3     (1U << 0)
625 #define CPUID_EXT_PCLMULQDQ (1U << 1)
626 #define CPUID_EXT_DTES64   (1U << 2)
627 #define CPUID_EXT_MONITOR  (1U << 3)
628 #define CPUID_EXT_DSCPL    (1U << 4)
629 #define CPUID_EXT_VMX      (1U << 5)
630 #define CPUID_EXT_SMX      (1U << 6)
631 #define CPUID_EXT_EST      (1U << 7)
632 #define CPUID_EXT_TM2      (1U << 8)
633 #define CPUID_EXT_SSSE3    (1U << 9)
634 #define CPUID_EXT_CID      (1U << 10)
635 #define CPUID_EXT_FMA      (1U << 12)
636 #define CPUID_EXT_CX16     (1U << 13)
637 #define CPUID_EXT_XTPR     (1U << 14)
638 #define CPUID_EXT_PDCM     (1U << 15)
639 #define CPUID_EXT_PCID     (1U << 17)
640 #define CPUID_EXT_DCA      (1U << 18)
641 #define CPUID_EXT_SSE41    (1U << 19)
642 #define CPUID_EXT_SSE42    (1U << 20)
643 #define CPUID_EXT_X2APIC   (1U << 21)
644 #define CPUID_EXT_MOVBE    (1U << 22)
645 #define CPUID_EXT_POPCNT   (1U << 23)
646 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
647 #define CPUID_EXT_AES      (1U << 25)
648 #define CPUID_EXT_XSAVE    (1U << 26)
649 #define CPUID_EXT_OSXSAVE  (1U << 27)
650 #define CPUID_EXT_AVX      (1U << 28)
651 #define CPUID_EXT_F16C     (1U << 29)
652 #define CPUID_EXT_RDRAND   (1U << 30)
653 #define CPUID_EXT_HYPERVISOR  (1U << 31)
654 
655 #define CPUID_EXT2_FPU     (1U << 0)
656 #define CPUID_EXT2_VME     (1U << 1)
657 #define CPUID_EXT2_DE      (1U << 2)
658 #define CPUID_EXT2_PSE     (1U << 3)
659 #define CPUID_EXT2_TSC     (1U << 4)
660 #define CPUID_EXT2_MSR     (1U << 5)
661 #define CPUID_EXT2_PAE     (1U << 6)
662 #define CPUID_EXT2_MCE     (1U << 7)
663 #define CPUID_EXT2_CX8     (1U << 8)
664 #define CPUID_EXT2_APIC    (1U << 9)
665 #define CPUID_EXT2_SYSCALL (1U << 11)
666 #define CPUID_EXT2_MTRR    (1U << 12)
667 #define CPUID_EXT2_PGE     (1U << 13)
668 #define CPUID_EXT2_MCA     (1U << 14)
669 #define CPUID_EXT2_CMOV    (1U << 15)
670 #define CPUID_EXT2_PAT     (1U << 16)
671 #define CPUID_EXT2_PSE36   (1U << 17)
672 #define CPUID_EXT2_MP      (1U << 19)
673 #define CPUID_EXT2_NX      (1U << 20)
674 #define CPUID_EXT2_MMXEXT  (1U << 22)
675 #define CPUID_EXT2_MMX     (1U << 23)
676 #define CPUID_EXT2_FXSR    (1U << 24)
677 #define CPUID_EXT2_FFXSR   (1U << 25)
678 #define CPUID_EXT2_PDPE1GB (1U << 26)
679 #define CPUID_EXT2_RDTSCP  (1U << 27)
680 #define CPUID_EXT2_LM      (1U << 29)
681 #define CPUID_EXT2_3DNOWEXT (1U << 30)
682 #define CPUID_EXT2_3DNOW   (1U << 31)
683 
684 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
685 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
686                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
687                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
688                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
689                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
690                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
691                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
692                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
693                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
694 
695 #define CPUID_EXT3_LAHF_LM (1U << 0)
696 #define CPUID_EXT3_CMP_LEG (1U << 1)
697 #define CPUID_EXT3_SVM     (1U << 2)
698 #define CPUID_EXT3_EXTAPIC (1U << 3)
699 #define CPUID_EXT3_CR8LEG  (1U << 4)
700 #define CPUID_EXT3_ABM     (1U << 5)
701 #define CPUID_EXT3_SSE4A   (1U << 6)
702 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
703 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
704 #define CPUID_EXT3_OSVW    (1U << 9)
705 #define CPUID_EXT3_IBS     (1U << 10)
706 #define CPUID_EXT3_XOP     (1U << 11)
707 #define CPUID_EXT3_SKINIT  (1U << 12)
708 #define CPUID_EXT3_WDT     (1U << 13)
709 #define CPUID_EXT3_LWP     (1U << 15)
710 #define CPUID_EXT3_FMA4    (1U << 16)
711 #define CPUID_EXT3_TCE     (1U << 17)
712 #define CPUID_EXT3_NODEID  (1U << 19)
713 #define CPUID_EXT3_TBM     (1U << 21)
714 #define CPUID_EXT3_TOPOEXT (1U << 22)
715 #define CPUID_EXT3_PERFCORE (1U << 23)
716 #define CPUID_EXT3_PERFNB  (1U << 24)
717 
718 #define CPUID_SVM_NPT             (1U << 0)
719 #define CPUID_SVM_LBRV            (1U << 1)
720 #define CPUID_SVM_SVMLOCK         (1U << 2)
721 #define CPUID_SVM_NRIPSAVE        (1U << 3)
722 #define CPUID_SVM_TSCSCALE        (1U << 4)
723 #define CPUID_SVM_VMCBCLEAN       (1U << 5)
724 #define CPUID_SVM_FLUSHASID       (1U << 6)
725 #define CPUID_SVM_DECODEASSIST    (1U << 7)
726 #define CPUID_SVM_PAUSEFILTER     (1U << 10)
727 #define CPUID_SVM_PFTHRESHOLD     (1U << 12)
728 #define CPUID_SVM_AVIC            (1U << 13)
729 #define CPUID_SVM_V_VMSAVE_VMLOAD (1U << 15)
730 #define CPUID_SVM_VGIF            (1U << 16)
731 #define CPUID_SVM_SVME_ADDR_CHK   (1U << 28)
732 
733 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
734 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
735 /* Support SGX */
736 #define CPUID_7_0_EBX_SGX               (1U << 2)
737 /* 1st Group of Advanced Bit Manipulation Extensions */
738 #define CPUID_7_0_EBX_BMI1              (1U << 3)
739 /* Hardware Lock Elision */
740 #define CPUID_7_0_EBX_HLE               (1U << 4)
741 /* Intel Advanced Vector Extensions 2 */
742 #define CPUID_7_0_EBX_AVX2              (1U << 5)
743 /* Supervisor-mode Execution Prevention */
744 #define CPUID_7_0_EBX_SMEP              (1U << 7)
745 /* 2nd Group of Advanced Bit Manipulation Extensions */
746 #define CPUID_7_0_EBX_BMI2              (1U << 8)
747 /* Enhanced REP MOVSB/STOSB */
748 #define CPUID_7_0_EBX_ERMS              (1U << 9)
749 /* Invalidate Process-Context Identifier */
750 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
751 /* Restricted Transactional Memory */
752 #define CPUID_7_0_EBX_RTM               (1U << 11)
753 /* Memory Protection Extension */
754 #define CPUID_7_0_EBX_MPX               (1U << 14)
755 /* AVX-512 Foundation */
756 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
757 /* AVX-512 Doubleword & Quadword Instruction */
758 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
759 /* Read Random SEED */
760 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
761 /* ADCX and ADOX instructions */
762 #define CPUID_7_0_EBX_ADX               (1U << 19)
763 /* Supervisor Mode Access Prevention */
764 #define CPUID_7_0_EBX_SMAP              (1U << 20)
765 /* AVX-512 Integer Fused Multiply Add */
766 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
767 /* Persistent Commit */
768 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
769 /* Flush a Cache Line Optimized */
770 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
771 /* Cache Line Write Back */
772 #define CPUID_7_0_EBX_CLWB              (1U << 24)
773 /* Intel Processor Trace */
774 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
775 /* AVX-512 Prefetch */
776 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
777 /* AVX-512 Exponential and Reciprocal */
778 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
779 /* AVX-512 Conflict Detection */
780 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
781 /* SHA1/SHA256 Instruction Extensions */
782 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
783 /* AVX-512 Byte and Word Instructions */
784 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
785 /* AVX-512 Vector Length Extensions */
786 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
787 
788 /* AVX-512 Vector Byte Manipulation Instruction */
789 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
790 /* User-Mode Instruction Prevention */
791 #define CPUID_7_0_ECX_UMIP              (1U << 2)
792 /* Protection Keys for User-mode Pages */
793 #define CPUID_7_0_ECX_PKU               (1U << 3)
794 /* OS Enable Protection Keys */
795 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
796 /* UMONITOR/UMWAIT/TPAUSE Instructions */
797 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
798 /* Additional AVX-512 Vector Byte Manipulation Instruction */
799 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
800 /* Galois Field New Instructions */
801 #define CPUID_7_0_ECX_GFNI              (1U << 8)
802 /* Vector AES Instructions */
803 #define CPUID_7_0_ECX_VAES              (1U << 9)
804 /* Carry-Less Multiplication Quadword */
805 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
806 /* Vector Neural Network Instructions */
807 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
808 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
809 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
810 /* POPCNT for vectors of DW/QW */
811 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
812 /* 5-level Page Tables */
813 #define CPUID_7_0_ECX_LA57              (1U << 16)
814 /* Read Processor ID */
815 #define CPUID_7_0_ECX_RDPID             (1U << 22)
816 /* Bus Lock Debug Exception */
817 #define CPUID_7_0_ECX_BUS_LOCK_DETECT   (1U << 24)
818 /* Cache Line Demote Instruction */
819 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
820 /* Move Doubleword as Direct Store Instruction */
821 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
822 /* Move 64 Bytes as Direct Store Instruction */
823 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
824 /* Support SGX Launch Control */
825 #define CPUID_7_0_ECX_SGX_LC            (1U << 30)
826 /* Protection Keys for Supervisor-mode Pages */
827 #define CPUID_7_0_ECX_PKS               (1U << 31)
828 
829 /* AVX512 Neural Network Instructions */
830 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
831 /* AVX512 Multiply Accumulation Single Precision */
832 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
833 /* Fast Short Rep Mov */
834 #define CPUID_7_0_EDX_FSRM              (1U << 4)
835 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
836 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
837 /* SERIALIZE instruction */
838 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
839 /* TSX Suspend Load Address Tracking instruction */
840 #define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
841 /* AVX512_FP16 instruction */
842 #define CPUID_7_0_EDX_AVX512_FP16       (1U << 23)
843 /* Speculation Control */
844 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
845 /* Single Thread Indirect Branch Predictors */
846 #define CPUID_7_0_EDX_STIBP             (1U << 27)
847 /* Arch Capabilities */
848 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
849 /* Core Capability */
850 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
851 /* Speculative Store Bypass Disable */
852 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
853 
854 /* AVX VNNI Instruction */
855 #define CPUID_7_1_EAX_AVX_VNNI          (1U << 4)
856 /* AVX512 BFloat16 Instruction */
857 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
858 
859 /* Packets which contain IP payload have LIP values */
860 #define CPUID_14_0_ECX_LIP              (1U << 31)
861 
862 /* CLZERO instruction */
863 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
864 /* Always save/restore FP error pointers */
865 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
866 /* Write back and do not invalidate cache */
867 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
868 /* Indirect Branch Prediction Barrier */
869 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
870 /* Indirect Branch Restricted Speculation */
871 #define CPUID_8000_0008_EBX_IBRS        (1U << 14)
872 /* Single Thread Indirect Branch Predictors */
873 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
874 /* Speculative Store Bypass Disable */
875 #define CPUID_8000_0008_EBX_AMD_SSBD    (1U << 24)
876 
877 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
878 #define CPUID_XSAVE_XSAVEC     (1U << 1)
879 #define CPUID_XSAVE_XGETBV1    (1U << 2)
880 #define CPUID_XSAVE_XSAVES     (1U << 3)
881 
882 #define CPUID_6_EAX_ARAT       (1U << 2)
883 
884 /* CPUID[0x80000007].EDX flags: */
885 #define CPUID_APM_INVTSC       (1U << 8)
886 
887 #define CPUID_VENDOR_SZ      12
888 
889 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
890 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
891 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
892 #define CPUID_VENDOR_INTEL "GenuineIntel"
893 
894 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
895 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
896 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
897 #define CPUID_VENDOR_AMD   "AuthenticAMD"
898 
899 #define CPUID_VENDOR_VIA   "CentaurHauls"
900 
901 #define CPUID_VENDOR_HYGON    "HygonGenuine"
902 
903 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
904                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
905                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
906 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
907                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
908                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
909 
910 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
911 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
912 
913 /* CPUID[0xB].ECX level types */
914 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
915 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
916 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
917 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
918 
919 /* MSR Feature Bits */
920 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
921 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
922 #define MSR_ARCH_CAP_RSBA               (1U << 2)
923 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
924 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
925 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
926 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
927 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
928 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
929 
930 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
931 
932 /* VMX MSR features */
933 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
934 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
935 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
936 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
937 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
938 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
939 
940 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
941 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
942 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
943 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
944 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
945 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
946 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
947 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
948 
949 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
950 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
951 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
952 #define MSR_VMX_EPT_UC                               (1ULL << 8)
953 #define MSR_VMX_EPT_WB                               (1ULL << 14)
954 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
955 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
956 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
957 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
958 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
959 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
960 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
961 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
962 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
963 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
964 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
965 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
966 
967 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
968 
969 
970 /* VMX controls */
971 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
972 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
973 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
974 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
975 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
976 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
977 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
978 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
979 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
980 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
981 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
982 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
983 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
984 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
985 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
986 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
987 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
988 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
989 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
990 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
991 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
992 
993 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
994 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
995 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
996 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
997 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
998 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
999 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
1000 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
1001 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
1002 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
1003 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
1004 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
1005 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
1006 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
1007 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
1008 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
1009 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
1010 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
1011 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
1012 #define VMX_SECONDARY_EXEC_TSC_SCALING              0x02000000
1013 
1014 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
1015 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
1016 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
1017 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
1018 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
1019 
1020 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
1021 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
1022 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
1023 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
1024 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
1025 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
1026 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
1027 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
1028 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
1029 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
1030 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
1031 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
1032 #define VMX_VM_EXIT_LOAD_IA32_PKRS                  0x20000000
1033 
1034 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
1035 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
1036 #define VMX_VM_ENTRY_SMM                            0x00000400
1037 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
1038 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
1039 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
1040 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
1041 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
1042 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
1043 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
1044 #define VMX_VM_ENTRY_LOAD_IA32_PKRS                 0x00400000
1045 
1046 /* Supported Hyper-V Enlightenments */
1047 #define HYPERV_FEAT_RELAXED             0
1048 #define HYPERV_FEAT_VAPIC               1
1049 #define HYPERV_FEAT_TIME                2
1050 #define HYPERV_FEAT_CRASH               3
1051 #define HYPERV_FEAT_RESET               4
1052 #define HYPERV_FEAT_VPINDEX             5
1053 #define HYPERV_FEAT_RUNTIME             6
1054 #define HYPERV_FEAT_SYNIC               7
1055 #define HYPERV_FEAT_STIMER              8
1056 #define HYPERV_FEAT_FREQUENCIES         9
1057 #define HYPERV_FEAT_REENLIGHTENMENT     10
1058 #define HYPERV_FEAT_TLBFLUSH            11
1059 #define HYPERV_FEAT_EVMCS               12
1060 #define HYPERV_FEAT_IPI                 13
1061 #define HYPERV_FEAT_STIMER_DIRECT       14
1062 #define HYPERV_FEAT_AVIC                15
1063 
1064 #ifndef HYPERV_SPINLOCK_NEVER_NOTIFY
1065 #define HYPERV_SPINLOCK_NEVER_NOTIFY             0xFFFFFFFF
1066 #endif
1067 
1068 #define EXCP00_DIVZ	0
1069 #define EXCP01_DB	1
1070 #define EXCP02_NMI	2
1071 #define EXCP03_INT3	3
1072 #define EXCP04_INTO	4
1073 #define EXCP05_BOUND	5
1074 #define EXCP06_ILLOP	6
1075 #define EXCP07_PREX	7
1076 #define EXCP08_DBLE	8
1077 #define EXCP09_XERR	9
1078 #define EXCP0A_TSS	10
1079 #define EXCP0B_NOSEG	11
1080 #define EXCP0C_STACK	12
1081 #define EXCP0D_GPF	13
1082 #define EXCP0E_PAGE	14
1083 #define EXCP10_COPR	16
1084 #define EXCP11_ALGN	17
1085 #define EXCP12_MCHK	18
1086 
1087 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1088 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1089 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1090 
1091 /* i386-specific interrupt pending bits.  */
1092 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1093 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1094 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1095 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1096 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1097 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1098 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1099 
1100 /* Use a clearer name for this.  */
1101 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1102 
1103 /* Instead of computing the condition codes after each x86 instruction,
1104  * QEMU just stores one operand (called CC_SRC), the result
1105  * (called CC_DST) and the type of operation (called CC_OP). When the
1106  * condition codes are needed, the condition codes can be calculated
1107  * using this information. Condition codes are not generated if they
1108  * are only needed for conditional branches.
1109  */
1110 typedef enum {
1111     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1112     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1113 
1114     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1115     CC_OP_MULW,
1116     CC_OP_MULL,
1117     CC_OP_MULQ,
1118 
1119     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1120     CC_OP_ADDW,
1121     CC_OP_ADDL,
1122     CC_OP_ADDQ,
1123 
1124     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1125     CC_OP_ADCW,
1126     CC_OP_ADCL,
1127     CC_OP_ADCQ,
1128 
1129     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1130     CC_OP_SUBW,
1131     CC_OP_SUBL,
1132     CC_OP_SUBQ,
1133 
1134     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1135     CC_OP_SBBW,
1136     CC_OP_SBBL,
1137     CC_OP_SBBQ,
1138 
1139     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1140     CC_OP_LOGICW,
1141     CC_OP_LOGICL,
1142     CC_OP_LOGICQ,
1143 
1144     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1145     CC_OP_INCW,
1146     CC_OP_INCL,
1147     CC_OP_INCQ,
1148 
1149     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1150     CC_OP_DECW,
1151     CC_OP_DECL,
1152     CC_OP_DECQ,
1153 
1154     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1155     CC_OP_SHLW,
1156     CC_OP_SHLL,
1157     CC_OP_SHLQ,
1158 
1159     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1160     CC_OP_SARW,
1161     CC_OP_SARL,
1162     CC_OP_SARQ,
1163 
1164     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1165     CC_OP_BMILGW,
1166     CC_OP_BMILGL,
1167     CC_OP_BMILGQ,
1168 
1169     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1170     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1171     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1172 
1173     CC_OP_CLR, /* Z set, all other flags clear.  */
1174     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1175 
1176     CC_OP_NB,
1177 } CCOp;
1178 
1179 typedef struct SegmentCache {
1180     uint32_t selector;
1181     target_ulong base;
1182     uint32_t limit;
1183     uint32_t flags;
1184 } SegmentCache;
1185 
1186 #define MMREG_UNION(n, bits)        \
1187     union n {                       \
1188         uint8_t  _b_##n[(bits)/8];  \
1189         uint16_t _w_##n[(bits)/16]; \
1190         uint32_t _l_##n[(bits)/32]; \
1191         uint64_t _q_##n[(bits)/64]; \
1192         float32  _s_##n[(bits)/32]; \
1193         float64  _d_##n[(bits)/64]; \
1194     }
1195 
1196 typedef union {
1197     uint8_t _b[16];
1198     uint16_t _w[8];
1199     uint32_t _l[4];
1200     uint64_t _q[2];
1201 } XMMReg;
1202 
1203 typedef union {
1204     uint8_t _b[32];
1205     uint16_t _w[16];
1206     uint32_t _l[8];
1207     uint64_t _q[4];
1208 } YMMReg;
1209 
1210 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1211 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1212 
1213 typedef struct BNDReg {
1214     uint64_t lb;
1215     uint64_t ub;
1216 } BNDReg;
1217 
1218 typedef struct BNDCSReg {
1219     uint64_t cfgu;
1220     uint64_t sts;
1221 } BNDCSReg;
1222 
1223 #define BNDCFG_ENABLE       1ULL
1224 #define BNDCFG_BNDPRESERVE  2ULL
1225 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1226 
1227 #ifdef HOST_WORDS_BIGENDIAN
1228 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1229 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1230 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1231 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1232 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1233 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1234 
1235 #define MMX_B(n) _b_MMXReg[7 - (n)]
1236 #define MMX_W(n) _w_MMXReg[3 - (n)]
1237 #define MMX_L(n) _l_MMXReg[1 - (n)]
1238 #define MMX_S(n) _s_MMXReg[1 - (n)]
1239 #else
1240 #define ZMM_B(n) _b_ZMMReg[n]
1241 #define ZMM_W(n) _w_ZMMReg[n]
1242 #define ZMM_L(n) _l_ZMMReg[n]
1243 #define ZMM_S(n) _s_ZMMReg[n]
1244 #define ZMM_Q(n) _q_ZMMReg[n]
1245 #define ZMM_D(n) _d_ZMMReg[n]
1246 
1247 #define MMX_B(n) _b_MMXReg[n]
1248 #define MMX_W(n) _w_MMXReg[n]
1249 #define MMX_L(n) _l_MMXReg[n]
1250 #define MMX_S(n) _s_MMXReg[n]
1251 #endif
1252 #define MMX_Q(n) _q_MMXReg[n]
1253 
1254 typedef union {
1255     floatx80 d __attribute__((aligned(16)));
1256     MMXReg mmx;
1257 } FPReg;
1258 
1259 typedef struct {
1260     uint64_t base;
1261     uint64_t mask;
1262 } MTRRVar;
1263 
1264 #define CPU_NB_REGS64 16
1265 #define CPU_NB_REGS32 8
1266 
1267 #ifdef TARGET_X86_64
1268 #define CPU_NB_REGS CPU_NB_REGS64
1269 #else
1270 #define CPU_NB_REGS CPU_NB_REGS32
1271 #endif
1272 
1273 #define MAX_FIXED_COUNTERS 3
1274 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1275 
1276 #define TARGET_INSN_START_EXTRA_WORDS 1
1277 
1278 #define NB_OPMASK_REGS 8
1279 
1280 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1281  * that APIC ID hasn't been set yet
1282  */
1283 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1284 
1285 typedef union X86LegacyXSaveArea {
1286     struct {
1287         uint16_t fcw;
1288         uint16_t fsw;
1289         uint8_t ftw;
1290         uint8_t reserved;
1291         uint16_t fpop;
1292         uint64_t fpip;
1293         uint64_t fpdp;
1294         uint32_t mxcsr;
1295         uint32_t mxcsr_mask;
1296         FPReg fpregs[8];
1297         uint8_t xmm_regs[16][16];
1298     };
1299     uint8_t data[512];
1300 } X86LegacyXSaveArea;
1301 
1302 typedef struct X86XSaveHeader {
1303     uint64_t xstate_bv;
1304     uint64_t xcomp_bv;
1305     uint64_t reserve0;
1306     uint8_t reserved[40];
1307 } X86XSaveHeader;
1308 
1309 /* Ext. save area 2: AVX State */
1310 typedef struct XSaveAVX {
1311     uint8_t ymmh[16][16];
1312 } XSaveAVX;
1313 
1314 /* Ext. save area 3: BNDREG */
1315 typedef struct XSaveBNDREG {
1316     BNDReg bnd_regs[4];
1317 } XSaveBNDREG;
1318 
1319 /* Ext. save area 4: BNDCSR */
1320 typedef union XSaveBNDCSR {
1321     BNDCSReg bndcsr;
1322     uint8_t data[64];
1323 } XSaveBNDCSR;
1324 
1325 /* Ext. save area 5: Opmask */
1326 typedef struct XSaveOpmask {
1327     uint64_t opmask_regs[NB_OPMASK_REGS];
1328 } XSaveOpmask;
1329 
1330 /* Ext. save area 6: ZMM_Hi256 */
1331 typedef struct XSaveZMM_Hi256 {
1332     uint8_t zmm_hi256[16][32];
1333 } XSaveZMM_Hi256;
1334 
1335 /* Ext. save area 7: Hi16_ZMM */
1336 typedef struct XSaveHi16_ZMM {
1337     uint8_t hi16_zmm[16][64];
1338 } XSaveHi16_ZMM;
1339 
1340 /* Ext. save area 9: PKRU state */
1341 typedef struct XSavePKRU {
1342     uint32_t pkru;
1343     uint32_t padding;
1344 } XSavePKRU;
1345 
1346 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1347 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1348 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1349 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1350 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1351 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1352 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1353 
1354 typedef struct ExtSaveArea {
1355     uint32_t feature, bits;
1356     uint32_t offset, size;
1357 } ExtSaveArea;
1358 
1359 #define XSAVE_STATE_AREA_COUNT (XSTATE_PKRU_BIT + 1)
1360 
1361 extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
1362 
1363 typedef enum TPRAccess {
1364     TPR_ACCESS_READ,
1365     TPR_ACCESS_WRITE,
1366 } TPRAccess;
1367 
1368 /* Cache information data structures: */
1369 
1370 enum CacheType {
1371     DATA_CACHE,
1372     INSTRUCTION_CACHE,
1373     UNIFIED_CACHE
1374 };
1375 
1376 typedef struct CPUCacheInfo {
1377     enum CacheType type;
1378     uint8_t level;
1379     /* Size in bytes */
1380     uint32_t size;
1381     /* Line size, in bytes */
1382     uint16_t line_size;
1383     /*
1384      * Associativity.
1385      * Note: representation of fully-associative caches is not implemented
1386      */
1387     uint8_t associativity;
1388     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1389     uint8_t partitions;
1390     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1391     uint32_t sets;
1392     /*
1393      * Lines per tag.
1394      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1395      * (Is this synonym to @partitions?)
1396      */
1397     uint8_t lines_per_tag;
1398 
1399     /* Self-initializing cache */
1400     bool self_init;
1401     /*
1402      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1403      * non-originating threads sharing this cache.
1404      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1405      */
1406     bool no_invd_sharing;
1407     /*
1408      * Cache is inclusive of lower cache levels.
1409      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1410      */
1411     bool inclusive;
1412     /*
1413      * A complex function is used to index the cache, potentially using all
1414      * address bits.  CPUID[4].EDX[bit 2].
1415      */
1416     bool complex_indexing;
1417 } CPUCacheInfo;
1418 
1419 
1420 typedef struct CPUCaches {
1421         CPUCacheInfo *l1d_cache;
1422         CPUCacheInfo *l1i_cache;
1423         CPUCacheInfo *l2_cache;
1424         CPUCacheInfo *l3_cache;
1425 } CPUCaches;
1426 
1427 typedef struct HVFX86LazyFlags {
1428     target_ulong result;
1429     target_ulong auxbits;
1430 } HVFX86LazyFlags;
1431 
1432 typedef struct CPUX86State {
1433     /* standard registers */
1434     target_ulong regs[CPU_NB_REGS];
1435     target_ulong eip;
1436     target_ulong eflags; /* eflags register. During CPU emulation, CC
1437                         flags and DF are set to zero because they are
1438                         stored elsewhere */
1439 
1440     /* emulator internal eflags handling */
1441     target_ulong cc_dst;
1442     target_ulong cc_src;
1443     target_ulong cc_src2;
1444     uint32_t cc_op;
1445     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1446     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1447                         are known at translation time. */
1448     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1449 
1450     /* segments */
1451     SegmentCache segs[6]; /* selector values */
1452     SegmentCache ldt;
1453     SegmentCache tr;
1454     SegmentCache gdt; /* only base and limit are used */
1455     SegmentCache idt; /* only base and limit are used */
1456 
1457     target_ulong cr[5]; /* NOTE: cr1 is unused */
1458 
1459     bool pdptrs_valid;
1460     uint64_t pdptrs[4];
1461     int32_t a20_mask;
1462 
1463     BNDReg bnd_regs[4];
1464     BNDCSReg bndcs_regs;
1465     uint64_t msr_bndcfgs;
1466     uint64_t efer;
1467 
1468     /* Beginning of state preserved by INIT (dummy marker).  */
1469     struct {} start_init_save;
1470 
1471     /* FPU state */
1472     unsigned int fpstt; /* top of stack index */
1473     uint16_t fpus;
1474     uint16_t fpuc;
1475     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1476     FPReg fpregs[8];
1477     /* KVM-only so far */
1478     uint16_t fpop;
1479     uint16_t fpcs;
1480     uint16_t fpds;
1481     uint64_t fpip;
1482     uint64_t fpdp;
1483 
1484     /* emulator internal variables */
1485     float_status fp_status;
1486     floatx80 ft0;
1487 
1488     float_status mmx_status; /* for 3DNow! float ops */
1489     float_status sse_status;
1490     uint32_t mxcsr;
1491     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1492     ZMMReg xmm_t0;
1493     MMXReg mmx_t0;
1494 
1495     XMMReg ymmh_regs[CPU_NB_REGS];
1496 
1497     uint64_t opmask_regs[NB_OPMASK_REGS];
1498     YMMReg zmmh_regs[CPU_NB_REGS];
1499     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1500 
1501     /* sysenter registers */
1502     uint32_t sysenter_cs;
1503     target_ulong sysenter_esp;
1504     target_ulong sysenter_eip;
1505     uint64_t star;
1506 
1507     uint64_t vm_hsave;
1508 
1509 #ifdef TARGET_X86_64
1510     target_ulong lstar;
1511     target_ulong cstar;
1512     target_ulong fmask;
1513     target_ulong kernelgsbase;
1514 #endif
1515 
1516     uint64_t tsc;
1517     uint64_t tsc_adjust;
1518     uint64_t tsc_deadline;
1519     uint64_t tsc_aux;
1520 
1521     uint64_t xcr0;
1522 
1523     uint64_t mcg_status;
1524     uint64_t msr_ia32_misc_enable;
1525     uint64_t msr_ia32_feature_control;
1526     uint64_t msr_ia32_sgxlepubkeyhash[4];
1527 
1528     uint64_t msr_fixed_ctr_ctrl;
1529     uint64_t msr_global_ctrl;
1530     uint64_t msr_global_status;
1531     uint64_t msr_global_ovf_ctrl;
1532     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1533     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1534     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1535 
1536     uint64_t pat;
1537     uint32_t smbase;
1538     uint64_t msr_smi_count;
1539 
1540     uint32_t pkru;
1541     uint32_t pkrs;
1542     uint32_t tsx_ctrl;
1543 
1544     uint64_t spec_ctrl;
1545     uint64_t amd_tsc_scale_msr;
1546     uint64_t virt_ssbd;
1547 
1548     /* End of state preserved by INIT (dummy marker).  */
1549     struct {} end_init_save;
1550 
1551     uint64_t system_time_msr;
1552     uint64_t wall_clock_msr;
1553     uint64_t steal_time_msr;
1554     uint64_t async_pf_en_msr;
1555     uint64_t async_pf_int_msr;
1556     uint64_t pv_eoi_en_msr;
1557     uint64_t poll_control_msr;
1558 
1559     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1560     uint64_t msr_hv_hypercall;
1561     uint64_t msr_hv_guest_os_id;
1562     uint64_t msr_hv_tsc;
1563 
1564     /* Per-VCPU HV MSRs */
1565     uint64_t msr_hv_vapic;
1566     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1567     uint64_t msr_hv_runtime;
1568     uint64_t msr_hv_synic_control;
1569     uint64_t msr_hv_synic_evt_page;
1570     uint64_t msr_hv_synic_msg_page;
1571     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1572     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1573     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1574     uint64_t msr_hv_reenlightenment_control;
1575     uint64_t msr_hv_tsc_emulation_control;
1576     uint64_t msr_hv_tsc_emulation_status;
1577 
1578     uint64_t msr_rtit_ctrl;
1579     uint64_t msr_rtit_status;
1580     uint64_t msr_rtit_output_base;
1581     uint64_t msr_rtit_output_mask;
1582     uint64_t msr_rtit_cr3_match;
1583     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1584 
1585     /* exception/interrupt handling */
1586     int error_code;
1587     int exception_is_int;
1588     target_ulong exception_next_eip;
1589     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1590     union {
1591         struct CPUBreakpoint *cpu_breakpoint[4];
1592         struct CPUWatchpoint *cpu_watchpoint[4];
1593     }; /* break/watchpoints for dr[0..3] */
1594     int old_exception;  /* exception in flight */
1595 
1596     uint64_t vm_vmcb;
1597     uint64_t tsc_offset;
1598     uint64_t intercept;
1599     uint16_t intercept_cr_read;
1600     uint16_t intercept_cr_write;
1601     uint16_t intercept_dr_read;
1602     uint16_t intercept_dr_write;
1603     uint32_t intercept_exceptions;
1604     uint64_t nested_cr3;
1605     uint32_t nested_pg_mode;
1606     uint8_t v_tpr;
1607     uint32_t int_ctl;
1608 
1609     /* KVM states, automatically cleared on reset */
1610     uint8_t nmi_injected;
1611     uint8_t nmi_pending;
1612 
1613     uintptr_t retaddr;
1614 
1615     /* Fields up to this point are cleared by a CPU reset */
1616     struct {} end_reset_fields;
1617 
1618     /* Fields after this point are preserved across CPU reset. */
1619 
1620     /* processor features (e.g. for CPUID insn) */
1621     /* Minimum cpuid leaf 7 value */
1622     uint32_t cpuid_level_func7;
1623     /* Actual cpuid leaf 7 value */
1624     uint32_t cpuid_min_level_func7;
1625     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1626     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1627     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1628     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1629     /* Actual level/xlevel/xlevel2 value: */
1630     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1631     uint32_t cpuid_vendor1;
1632     uint32_t cpuid_vendor2;
1633     uint32_t cpuid_vendor3;
1634     uint32_t cpuid_version;
1635     FeatureWordArray features;
1636     /* Features that were explicitly enabled/disabled */
1637     FeatureWordArray user_features;
1638     uint32_t cpuid_model[12];
1639     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1640      * on each CPUID leaf will be different, because we keep compatibility
1641      * with old QEMU versions.
1642      */
1643     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1644 
1645     /* MTRRs */
1646     uint64_t mtrr_fixed[11];
1647     uint64_t mtrr_deftype;
1648     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1649 
1650     /* For KVM */
1651     uint32_t mp_state;
1652     int32_t exception_nr;
1653     int32_t interrupt_injected;
1654     uint8_t soft_interrupt;
1655     uint8_t exception_pending;
1656     uint8_t exception_injected;
1657     uint8_t has_error_code;
1658     uint8_t exception_has_payload;
1659     uint64_t exception_payload;
1660     uint32_t ins_len;
1661     uint32_t sipi_vector;
1662     bool tsc_valid;
1663     int64_t tsc_khz;
1664     int64_t user_tsc_khz; /* for sanity check only */
1665     uint64_t apic_bus_freq;
1666 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1667     void *xsave_buf;
1668     uint32_t xsave_buf_len;
1669 #endif
1670 #if defined(CONFIG_KVM)
1671     struct kvm_nested_state *nested_state;
1672 #endif
1673 #if defined(CONFIG_HVF)
1674     HVFX86LazyFlags hvf_lflags;
1675     void *hvf_mmio_buf;
1676 #endif
1677 
1678     uint64_t mcg_cap;
1679     uint64_t mcg_ctl;
1680     uint64_t mcg_ext_ctl;
1681     uint64_t mce_banks[MCE_BANKS_DEF*4];
1682     uint64_t xstate_bv;
1683 
1684     /* vmstate */
1685     uint16_t fpus_vmstate;
1686     uint16_t fptag_vmstate;
1687     uint16_t fpregs_format_vmstate;
1688 
1689     uint64_t xss;
1690     uint32_t umwait;
1691 
1692     TPRAccess tpr_access_type;
1693 
1694     unsigned nr_dies;
1695 } CPUX86State;
1696 
1697 struct kvm_msrs;
1698 
1699 /**
1700  * X86CPU:
1701  * @env: #CPUX86State
1702  * @migratable: If set, only migratable flags will be accepted when "enforce"
1703  * mode is used, and only migratable flags will be included in the "host"
1704  * CPU model.
1705  *
1706  * An x86 CPU.
1707  */
1708 struct X86CPU {
1709     /*< private >*/
1710     CPUState parent_obj;
1711     /*< public >*/
1712 
1713     CPUNegativeOffsetState neg;
1714     CPUX86State env;
1715     VMChangeStateEntry *vmsentry;
1716 
1717     uint64_t ucode_rev;
1718 
1719     uint32_t hyperv_spinlock_attempts;
1720     char *hyperv_vendor;
1721     bool hyperv_synic_kvm_only;
1722     uint64_t hyperv_features;
1723     bool hyperv_passthrough;
1724     OnOffAuto hyperv_no_nonarch_cs;
1725     uint32_t hyperv_vendor_id[3];
1726     uint32_t hyperv_interface_id[4];
1727     uint32_t hyperv_limits[3];
1728     uint32_t hyperv_nested[4];
1729     bool hyperv_enforce_cpuid;
1730     uint32_t hyperv_ver_id_build;
1731     uint16_t hyperv_ver_id_major;
1732     uint16_t hyperv_ver_id_minor;
1733     uint32_t hyperv_ver_id_sp;
1734     uint8_t hyperv_ver_id_sb;
1735     uint32_t hyperv_ver_id_sn;
1736 
1737     bool check_cpuid;
1738     bool enforce_cpuid;
1739     /*
1740      * Force features to be enabled even if the host doesn't support them.
1741      * This is dangerous and should be done only for testing CPUID
1742      * compatibility.
1743      */
1744     bool force_features;
1745     bool expose_kvm;
1746     bool expose_tcg;
1747     bool migratable;
1748     bool migrate_smi_count;
1749     bool max_features; /* Enable all supported features automatically */
1750     uint32_t apic_id;
1751 
1752     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1753      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1754     bool vmware_cpuid_freq;
1755 
1756     /* if true the CPUID code directly forward host cache leaves to the guest */
1757     bool cache_info_passthrough;
1758 
1759     /* if true the CPUID code directly forwards
1760      * host monitor/mwait leaves to the guest */
1761     struct {
1762         uint32_t eax;
1763         uint32_t ebx;
1764         uint32_t ecx;
1765         uint32_t edx;
1766     } mwait;
1767 
1768     /* Features that were filtered out because of missing host capabilities */
1769     FeatureWordArray filtered_features;
1770 
1771     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1772      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1773      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1774      * capabilities) directly to the guest.
1775      */
1776     bool enable_pmu;
1777 
1778     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1779      * disabled by default to avoid breaking migration between QEMU with
1780      * different LMCE configurations.
1781      */
1782     bool enable_lmce;
1783 
1784     /* Compatibility bits for old machine types.
1785      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1786      * socket share an virtual l3 cache.
1787      */
1788     bool enable_l3_cache;
1789 
1790     /* Compatibility bits for old machine types.
1791      * If true present the old cache topology information
1792      */
1793     bool legacy_cache;
1794 
1795     /* Compatibility bits for old machine types: */
1796     bool enable_cpuid_0xb;
1797 
1798     /* Enable auto level-increase for all CPUID leaves */
1799     bool full_cpuid_auto_level;
1800 
1801     /* Only advertise CPUID leaves defined by the vendor */
1802     bool vendor_cpuid_only;
1803 
1804     /* Enable auto level-increase for Intel Processor Trace leave */
1805     bool intel_pt_auto_level;
1806 
1807     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1808     bool fill_mtrr_mask;
1809 
1810     /* if true override the phys_bits value with a value read from the host */
1811     bool host_phys_bits;
1812 
1813     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1814     uint8_t host_phys_bits_limit;
1815 
1816     /* Stop SMI delivery for migration compatibility with old machines */
1817     bool kvm_no_smi_migration;
1818 
1819     /* Forcefully disable KVM PV features not exposed in guest CPUIDs */
1820     bool kvm_pv_enforce_cpuid;
1821 
1822     /* Number of physical address bits supported */
1823     uint32_t phys_bits;
1824 
1825     /* in order to simplify APIC support, we leave this pointer to the
1826        user */
1827     struct DeviceState *apic_state;
1828     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1829     Notifier machine_done;
1830 
1831     struct kvm_msrs *kvm_msr_buf;
1832 
1833     int32_t node_id; /* NUMA node this CPU belongs to */
1834     int32_t socket_id;
1835     int32_t die_id;
1836     int32_t core_id;
1837     int32_t thread_id;
1838 
1839     int32_t hv_max_vps;
1840 };
1841 
1842 
1843 #ifndef CONFIG_USER_ONLY
1844 extern const VMStateDescription vmstate_x86_cpu;
1845 #endif
1846 
1847 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1848 
1849 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1850                              int cpuid, void *opaque);
1851 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1852                              int cpuid, void *opaque);
1853 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1854                                  void *opaque);
1855 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1856                                  void *opaque);
1857 
1858 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1859                                 Error **errp);
1860 
1861 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1862 
1863 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1864                                          MemTxAttrs *attrs);
1865 
1866 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1867 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1868 
1869 void x86_cpu_list(void);
1870 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1871 
1872 #ifndef CONFIG_USER_ONLY
1873 int cpu_get_pic_interrupt(CPUX86State *s);
1874 
1875 /* MSDOS compatibility mode FPU exception support */
1876 void x86_register_ferr_irq(qemu_irq irq);
1877 void fpu_check_raise_ferr_irq(CPUX86State *s);
1878 void cpu_set_ignne(void);
1879 void cpu_clear_ignne(void);
1880 #endif
1881 
1882 /* mpx_helper.c */
1883 void cpu_sync_bndcs_hflags(CPUX86State *env);
1884 
1885 /* this function must always be used to load data in the segment
1886    cache: it synchronizes the hflags with the segment cache values */
1887 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1888                                           X86Seg seg_reg, unsigned int selector,
1889                                           target_ulong base,
1890                                           unsigned int limit,
1891                                           unsigned int flags)
1892 {
1893     SegmentCache *sc;
1894     unsigned int new_hflags;
1895 
1896     sc = &env->segs[seg_reg];
1897     sc->selector = selector;
1898     sc->base = base;
1899     sc->limit = limit;
1900     sc->flags = flags;
1901 
1902     /* update the hidden flags */
1903     {
1904         if (seg_reg == R_CS) {
1905 #ifdef TARGET_X86_64
1906             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1907                 /* long mode */
1908                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1909                 env->hflags &= ~(HF_ADDSEG_MASK);
1910             } else
1911 #endif
1912             {
1913                 /* legacy / compatibility case */
1914                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1915                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1916                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1917                     new_hflags;
1918             }
1919         }
1920         if (seg_reg == R_SS) {
1921             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1922 #if HF_CPL_MASK != 3
1923 #error HF_CPL_MASK is hardcoded
1924 #endif
1925             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1926             /* Possibly switch between BNDCFGS and BNDCFGU */
1927             cpu_sync_bndcs_hflags(env);
1928         }
1929         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1930             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1931         if (env->hflags & HF_CS64_MASK) {
1932             /* zero base assumed for DS, ES and SS in long mode */
1933         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1934                    (env->eflags & VM_MASK) ||
1935                    !(env->hflags & HF_CS32_MASK)) {
1936             /* XXX: try to avoid this test. The problem comes from the
1937                fact that is real mode or vm86 mode we only modify the
1938                'base' and 'selector' fields of the segment cache to go
1939                faster. A solution may be to force addseg to one in
1940                translate-i386.c. */
1941             new_hflags |= HF_ADDSEG_MASK;
1942         } else {
1943             new_hflags |= ((env->segs[R_DS].base |
1944                             env->segs[R_ES].base |
1945                             env->segs[R_SS].base) != 0) <<
1946                 HF_ADDSEG_SHIFT;
1947         }
1948         env->hflags = (env->hflags &
1949                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1950     }
1951 }
1952 
1953 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1954                                                uint8_t sipi_vector)
1955 {
1956     CPUState *cs = CPU(cpu);
1957     CPUX86State *env = &cpu->env;
1958 
1959     env->eip = 0;
1960     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1961                            sipi_vector << 12,
1962                            env->segs[R_CS].limit,
1963                            env->segs[R_CS].flags);
1964     cs->halted = 0;
1965 }
1966 
1967 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1968                             target_ulong *base, unsigned int *limit,
1969                             unsigned int *flags);
1970 
1971 /* op_helper.c */
1972 /* used for debug or cpu save/restore */
1973 
1974 /* cpu-exec.c */
1975 /* the following helpers are only usable in user mode simulation as
1976    they can trigger unexpected exceptions */
1977 void cpu_x86_load_seg(CPUX86State *s, X86Seg seg_reg, int selector);
1978 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1979 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1980 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1981 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1982 
1983 /* cpu.c */
1984 void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
1985                               uint32_t vendor2, uint32_t vendor3);
1986 typedef struct PropValue {
1987     const char *prop, *value;
1988 } PropValue;
1989 void x86_cpu_apply_props(X86CPU *cpu, PropValue *props);
1990 
1991 uint32_t cpu_x86_virtual_addr_width(CPUX86State *env);
1992 
1993 /* cpu.c other functions (cpuid) */
1994 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1995                    uint32_t *eax, uint32_t *ebx,
1996                    uint32_t *ecx, uint32_t *edx);
1997 void cpu_clear_apic_feature(CPUX86State *env);
1998 void host_cpuid(uint32_t function, uint32_t count,
1999                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
2000 
2001 /* helper.c */
2002 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
2003 
2004 #ifndef CONFIG_USER_ONLY
2005 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
2006 {
2007     return !!attrs.secure;
2008 }
2009 
2010 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
2011 {
2012     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
2013 }
2014 
2015 /*
2016  * load efer and update the corresponding hflags. XXX: do consistency
2017  * checks with cpuid bits?
2018  */
2019 void cpu_load_efer(CPUX86State *env, uint64_t val);
2020 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
2021 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
2022 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
2023 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
2024 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
2025 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
2026 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
2027 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
2028 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
2029 #endif
2030 
2031 /* will be suppressed */
2032 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
2033 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
2034 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
2035 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
2036 
2037 /* hw/pc.c */
2038 uint64_t cpu_get_tsc(CPUX86State *env);
2039 
2040 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
2041 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
2042 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
2043 
2044 #ifdef TARGET_X86_64
2045 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
2046 #else
2047 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
2048 #endif
2049 
2050 #define cpu_list x86_cpu_list
2051 
2052 /* MMU modes definitions */
2053 #define MMU_KSMAP_IDX   0
2054 #define MMU_USER_IDX    1
2055 #define MMU_KNOSMAP_IDX 2
2056 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
2057 {
2058     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
2059         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
2060         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2061 }
2062 
2063 static inline int cpu_mmu_index_kernel(CPUX86State *env)
2064 {
2065     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
2066         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
2067         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
2068 }
2069 
2070 #define CC_DST  (env->cc_dst)
2071 #define CC_SRC  (env->cc_src)
2072 #define CC_SRC2 (env->cc_src2)
2073 #define CC_OP   (env->cc_op)
2074 
2075 typedef CPUX86State CPUArchState;
2076 typedef X86CPU ArchCPU;
2077 
2078 #include "exec/cpu-all.h"
2079 #include "svm.h"
2080 
2081 #if !defined(CONFIG_USER_ONLY)
2082 #include "hw/i386/apic.h"
2083 #endif
2084 
2085 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2086                                         target_ulong *cs_base, uint32_t *flags)
2087 {
2088     *cs_base = env->segs[R_CS].base;
2089     *pc = *cs_base + env->eip;
2090     *flags = env->hflags |
2091         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2092 }
2093 
2094 void do_cpu_init(X86CPU *cpu);
2095 void do_cpu_sipi(X86CPU *cpu);
2096 
2097 #define MCE_INJECT_BROADCAST    1
2098 #define MCE_INJECT_UNCOND_AO    2
2099 
2100 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2101                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2102                         uint64_t misc, int flags);
2103 
2104 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2105 
2106 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2107 {
2108     uint32_t eflags = env->eflags;
2109     if (tcg_enabled()) {
2110         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2111     }
2112     return eflags;
2113 }
2114 
2115 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2116 {
2117     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2118 }
2119 
2120 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2121 {
2122     if (env->hflags & HF_SMM_MASK) {
2123         return -1;
2124     } else {
2125         return env->a20_mask;
2126     }
2127 }
2128 
2129 static inline bool cpu_has_vmx(CPUX86State *env)
2130 {
2131     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2132 }
2133 
2134 static inline bool cpu_has_svm(CPUX86State *env)
2135 {
2136     return env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM;
2137 }
2138 
2139 /*
2140  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2141  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2142  * VMX operation. This is because CR4.VMXE is one of the bits set
2143  * in MSR_IA32_VMX_CR4_FIXED1.
2144  *
2145  * There is one exception to above statement when vCPU enters SMM mode.
2146  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2147  * may also reset CR4.VMXE during execution in SMM mode.
2148  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2149  * and CR4.VMXE is restored to it's original value of being set.
2150  *
2151  * Therefore, when vCPU is not in SMM mode, we can infer whether
2152  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2153  * know for certain.
2154  */
2155 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2156 {
2157     return cpu_has_vmx(env) &&
2158            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2159 }
2160 
2161 /* excp_helper.c */
2162 int get_pg_mode(CPUX86State *env);
2163 
2164 /* fpu_helper.c */
2165 void update_fp_status(CPUX86State *env);
2166 void update_mxcsr_status(CPUX86State *env);
2167 void update_mxcsr_from_sse_status(CPUX86State *env);
2168 
2169 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2170 {
2171     env->mxcsr = mxcsr;
2172     if (tcg_enabled()) {
2173         update_mxcsr_status(env);
2174     }
2175 }
2176 
2177 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2178 {
2179      env->fpuc = fpuc;
2180      if (tcg_enabled()) {
2181         update_fp_status(env);
2182      }
2183 }
2184 
2185 /* mem_helper.c */
2186 void helper_lock_init(void);
2187 
2188 /* svm_helper.c */
2189 #ifdef CONFIG_USER_ONLY
2190 static inline void
2191 cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2192                               uint64_t param, uintptr_t retaddr)
2193 { /* no-op */ }
2194 static inline bool
2195 cpu_svm_has_intercept(CPUX86State *env, uint32_t type)
2196 { return false; }
2197 #else
2198 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2199                                    uint64_t param, uintptr_t retaddr);
2200 bool cpu_svm_has_intercept(CPUX86State *env, uint32_t type);
2201 #endif
2202 
2203 /* apic.c */
2204 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2205 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2206                                    TPRAccess access);
2207 
2208 /* Special values for X86CPUVersion: */
2209 
2210 /* Resolve to latest CPU version */
2211 #define CPU_VERSION_LATEST -1
2212 
2213 /*
2214  * Resolve to version defined by current machine type.
2215  * See x86_cpu_set_default_version()
2216  */
2217 #define CPU_VERSION_AUTO   -2
2218 
2219 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2220 #define CPU_VERSION_LEGACY  0
2221 
2222 typedef int X86CPUVersion;
2223 
2224 /*
2225  * Set default CPU model version for CPU models having
2226  * version == CPU_VERSION_AUTO.
2227  */
2228 void x86_cpu_set_default_version(X86CPUVersion version);
2229 
2230 #define APIC_DEFAULT_ADDRESS 0xfee00000
2231 #define APIC_SPACE_SIZE      0x100000
2232 
2233 /* cpu-dump.c */
2234 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2235 
2236 /* cpu.c */
2237 bool cpu_is_bsp(X86CPU *cpu);
2238 
2239 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen);
2240 void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen);
2241 void x86_update_hflags(CPUX86State* env);
2242 
2243 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2244 {
2245     return !!(cpu->hyperv_features & BIT(feat));
2246 }
2247 
2248 static inline uint64_t cr4_reserved_bits(CPUX86State *env)
2249 {
2250     uint64_t reserved_bits = CR4_RESERVED_MASK;
2251     if (!env->features[FEAT_XSAVE]) {
2252         reserved_bits |= CR4_OSXSAVE_MASK;
2253     }
2254     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMEP)) {
2255         reserved_bits |= CR4_SMEP_MASK;
2256     }
2257     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SMAP)) {
2258         reserved_bits |= CR4_SMAP_MASK;
2259     }
2260     if (!(env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE)) {
2261         reserved_bits |= CR4_FSGSBASE_MASK;
2262     }
2263     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKU)) {
2264         reserved_bits |= CR4_PKE_MASK;
2265     }
2266     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57)) {
2267         reserved_bits |= CR4_LA57_MASK;
2268     }
2269     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_UMIP)) {
2270         reserved_bits |= CR4_UMIP_MASK;
2271     }
2272     if (!(env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_PKS)) {
2273         reserved_bits |= CR4_PKS_MASK;
2274     }
2275     return reserved_bits;
2276 }
2277 
2278 static inline bool ctl_has_irq(CPUX86State *env)
2279 {
2280     uint32_t int_prio;
2281     uint32_t tpr;
2282 
2283     int_prio = (env->int_ctl & V_INTR_PRIO_MASK) >> V_INTR_PRIO_SHIFT;
2284     tpr = env->int_ctl & V_TPR_MASK;
2285 
2286     if (env->int_ctl & V_IGN_TPR_MASK) {
2287         return (env->int_ctl & V_IRQ_MASK);
2288     }
2289 
2290     return (env->int_ctl & V_IRQ_MASK) && (int_prio >= tpr);
2291 }
2292 
2293 hwaddr get_hphys(CPUState *cs, hwaddr gphys, MMUAccessType access_type,
2294                         int *prot);
2295 #if defined(TARGET_X86_64) && \
2296     defined(CONFIG_USER_ONLY) && \
2297     defined(CONFIG_LINUX)
2298 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2299 #endif
2300 
2301 #endif /* I386_CPU_H */
2302