xref: /openbmc/qemu/target/i386/cpu.h (revision 8a49b300)
1 /*
2  * i386 virtual CPU header
3  *
4  *  Copyright (c) 2003 Fabrice Bellard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef I386_CPU_H
21 #define I386_CPU_H
22 
23 #include "sysemu/tcg.h"
24 #include "cpu-qom.h"
25 #include "hyperv-proto.h"
26 #include "exec/cpu-defs.h"
27 #include "qapi/qapi-types-common.h"
28 
29 /* The x86 has a strong memory model with some store-after-load re-ordering */
30 #define TCG_GUEST_DEFAULT_MO      (TCG_MO_ALL & ~TCG_MO_ST_LD)
31 
32 #define KVM_HAVE_MCE_INJECTION 1
33 
34 /* Maximum instruction code size */
35 #define TARGET_MAX_INSN_SIZE 16
36 
37 /* support for self modifying code even if the modified instruction is
38    close to the modifying instruction */
39 #define TARGET_HAS_PRECISE_SMC
40 
41 #ifdef TARGET_X86_64
42 #define I386_ELF_MACHINE  EM_X86_64
43 #define ELF_MACHINE_UNAME "x86_64"
44 #else
45 #define I386_ELF_MACHINE  EM_386
46 #define ELF_MACHINE_UNAME "i686"
47 #endif
48 
49 enum {
50     R_EAX = 0,
51     R_ECX = 1,
52     R_EDX = 2,
53     R_EBX = 3,
54     R_ESP = 4,
55     R_EBP = 5,
56     R_ESI = 6,
57     R_EDI = 7,
58     R_R8 = 8,
59     R_R9 = 9,
60     R_R10 = 10,
61     R_R11 = 11,
62     R_R12 = 12,
63     R_R13 = 13,
64     R_R14 = 14,
65     R_R15 = 15,
66 
67     R_AL = 0,
68     R_CL = 1,
69     R_DL = 2,
70     R_BL = 3,
71     R_AH = 4,
72     R_CH = 5,
73     R_DH = 6,
74     R_BH = 7,
75 };
76 
77 typedef enum X86Seg {
78     R_ES = 0,
79     R_CS = 1,
80     R_SS = 2,
81     R_DS = 3,
82     R_FS = 4,
83     R_GS = 5,
84     R_LDTR = 6,
85     R_TR = 7,
86 } X86Seg;
87 
88 /* segment descriptor fields */
89 #define DESC_G_SHIFT    23
90 #define DESC_G_MASK     (1 << DESC_G_SHIFT)
91 #define DESC_B_SHIFT    22
92 #define DESC_B_MASK     (1 << DESC_B_SHIFT)
93 #define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
94 #define DESC_L_MASK     (1 << DESC_L_SHIFT)
95 #define DESC_AVL_SHIFT  20
96 #define DESC_AVL_MASK   (1 << DESC_AVL_SHIFT)
97 #define DESC_P_SHIFT    15
98 #define DESC_P_MASK     (1 << DESC_P_SHIFT)
99 #define DESC_DPL_SHIFT  13
100 #define DESC_DPL_MASK   (3 << DESC_DPL_SHIFT)
101 #define DESC_S_SHIFT    12
102 #define DESC_S_MASK     (1 << DESC_S_SHIFT)
103 #define DESC_TYPE_SHIFT 8
104 #define DESC_TYPE_MASK  (15 << DESC_TYPE_SHIFT)
105 #define DESC_A_MASK     (1 << 8)
106 
107 #define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
108 #define DESC_C_MASK     (1 << 10) /* code: conforming */
109 #define DESC_R_MASK     (1 << 9)  /* code: readable */
110 
111 #define DESC_E_MASK     (1 << 10) /* data: expansion direction */
112 #define DESC_W_MASK     (1 << 9)  /* data: writable */
113 
114 #define DESC_TSS_BUSY_MASK (1 << 9)
115 
116 /* eflags masks */
117 #define CC_C    0x0001
118 #define CC_P    0x0004
119 #define CC_A    0x0010
120 #define CC_Z    0x0040
121 #define CC_S    0x0080
122 #define CC_O    0x0800
123 
124 #define TF_SHIFT   8
125 #define IOPL_SHIFT 12
126 #define VM_SHIFT   17
127 
128 #define TF_MASK                 0x00000100
129 #define IF_MASK                 0x00000200
130 #define DF_MASK                 0x00000400
131 #define IOPL_MASK               0x00003000
132 #define NT_MASK                 0x00004000
133 #define RF_MASK                 0x00010000
134 #define VM_MASK                 0x00020000
135 #define AC_MASK                 0x00040000
136 #define VIF_MASK                0x00080000
137 #define VIP_MASK                0x00100000
138 #define ID_MASK                 0x00200000
139 
140 /* hidden flags - used internally by qemu to represent additional cpu
141    states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
142    avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
143    positions to ease oring with eflags. */
144 /* current cpl */
145 #define HF_CPL_SHIFT         0
146 /* true if hardware interrupts must be disabled for next instruction */
147 #define HF_INHIBIT_IRQ_SHIFT 3
148 /* 16 or 32 segments */
149 #define HF_CS32_SHIFT        4
150 #define HF_SS32_SHIFT        5
151 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
152 #define HF_ADDSEG_SHIFT      6
153 /* copy of CR0.PE (protected mode) */
154 #define HF_PE_SHIFT          7
155 #define HF_TF_SHIFT          8 /* must be same as eflags */
156 #define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
157 #define HF_EM_SHIFT         10
158 #define HF_TS_SHIFT         11
159 #define HF_IOPL_SHIFT       12 /* must be same as eflags */
160 #define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
161 #define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
162 #define HF_RF_SHIFT         16 /* must be same as eflags */
163 #define HF_VM_SHIFT         17 /* must be same as eflags */
164 #define HF_AC_SHIFT         18 /* must be same as eflags */
165 #define HF_SMM_SHIFT        19 /* CPU in SMM mode */
166 #define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
167 #define HF_GUEST_SHIFT      21 /* SVM intercepts are active */
168 #define HF_OSFXSR_SHIFT     22 /* CR4.OSFXSR */
169 #define HF_SMAP_SHIFT       23 /* CR4.SMAP */
170 #define HF_IOBPT_SHIFT      24 /* an io breakpoint enabled */
171 #define HF_MPX_EN_SHIFT     25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */
172 #define HF_MPX_IU_SHIFT     26 /* BND registers in-use */
173 
174 #define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
175 #define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
176 #define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
177 #define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
178 #define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
179 #define HF_PE_MASK           (1 << HF_PE_SHIFT)
180 #define HF_TF_MASK           (1 << HF_TF_SHIFT)
181 #define HF_MP_MASK           (1 << HF_MP_SHIFT)
182 #define HF_EM_MASK           (1 << HF_EM_SHIFT)
183 #define HF_TS_MASK           (1 << HF_TS_SHIFT)
184 #define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
185 #define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
186 #define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
187 #define HF_RF_MASK           (1 << HF_RF_SHIFT)
188 #define HF_VM_MASK           (1 << HF_VM_SHIFT)
189 #define HF_AC_MASK           (1 << HF_AC_SHIFT)
190 #define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
191 #define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
192 #define HF_GUEST_MASK        (1 << HF_GUEST_SHIFT)
193 #define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
194 #define HF_SMAP_MASK         (1 << HF_SMAP_SHIFT)
195 #define HF_IOBPT_MASK        (1 << HF_IOBPT_SHIFT)
196 #define HF_MPX_EN_MASK       (1 << HF_MPX_EN_SHIFT)
197 #define HF_MPX_IU_MASK       (1 << HF_MPX_IU_SHIFT)
198 
199 /* hflags2 */
200 
201 #define HF2_GIF_SHIFT            0 /* if set CPU takes interrupts */
202 #define HF2_HIF_SHIFT            1 /* value of IF_MASK when entering SVM */
203 #define HF2_NMI_SHIFT            2 /* CPU serving NMI */
204 #define HF2_VINTR_SHIFT          3 /* value of V_INTR_MASKING bit */
205 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
206 #define HF2_MPX_PR_SHIFT         5 /* BNDCFGx.BNDPRESERVE */
207 #define HF2_NPT_SHIFT            6 /* Nested Paging enabled */
208 #define HF2_IGNNE_SHIFT          7 /* Ignore CR0.NE=0 */
209 
210 #define HF2_GIF_MASK            (1 << HF2_GIF_SHIFT)
211 #define HF2_HIF_MASK            (1 << HF2_HIF_SHIFT)
212 #define HF2_NMI_MASK            (1 << HF2_NMI_SHIFT)
213 #define HF2_VINTR_MASK          (1 << HF2_VINTR_SHIFT)
214 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
215 #define HF2_MPX_PR_MASK         (1 << HF2_MPX_PR_SHIFT)
216 #define HF2_NPT_MASK            (1 << HF2_NPT_SHIFT)
217 #define HF2_IGNNE_MASK          (1 << HF2_IGNNE_SHIFT)
218 
219 #define CR0_PE_SHIFT 0
220 #define CR0_MP_SHIFT 1
221 
222 #define CR0_PE_MASK  (1U << 0)
223 #define CR0_MP_MASK  (1U << 1)
224 #define CR0_EM_MASK  (1U << 2)
225 #define CR0_TS_MASK  (1U << 3)
226 #define CR0_ET_MASK  (1U << 4)
227 #define CR0_NE_MASK  (1U << 5)
228 #define CR0_WP_MASK  (1U << 16)
229 #define CR0_AM_MASK  (1U << 18)
230 #define CR0_PG_MASK  (1U << 31)
231 
232 #define CR4_VME_MASK  (1U << 0)
233 #define CR4_PVI_MASK  (1U << 1)
234 #define CR4_TSD_MASK  (1U << 2)
235 #define CR4_DE_MASK   (1U << 3)
236 #define CR4_PSE_MASK  (1U << 4)
237 #define CR4_PAE_MASK  (1U << 5)
238 #define CR4_MCE_MASK  (1U << 6)
239 #define CR4_PGE_MASK  (1U << 7)
240 #define CR4_PCE_MASK  (1U << 8)
241 #define CR4_OSFXSR_SHIFT 9
242 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
243 #define CR4_OSXMMEXCPT_MASK  (1U << 10)
244 #define CR4_LA57_MASK   (1U << 12)
245 #define CR4_VMXE_MASK   (1U << 13)
246 #define CR4_SMXE_MASK   (1U << 14)
247 #define CR4_FSGSBASE_MASK (1U << 16)
248 #define CR4_PCIDE_MASK  (1U << 17)
249 #define CR4_OSXSAVE_MASK (1U << 18)
250 #define CR4_SMEP_MASK   (1U << 20)
251 #define CR4_SMAP_MASK   (1U << 21)
252 #define CR4_PKE_MASK   (1U << 22)
253 
254 #define DR6_BD          (1 << 13)
255 #define DR6_BS          (1 << 14)
256 #define DR6_BT          (1 << 15)
257 #define DR6_FIXED_1     0xffff0ff0
258 
259 #define DR7_GD          (1 << 13)
260 #define DR7_TYPE_SHIFT  16
261 #define DR7_LEN_SHIFT   18
262 #define DR7_FIXED_1     0x00000400
263 #define DR7_GLOBAL_BP_MASK   0xaa
264 #define DR7_LOCAL_BP_MASK    0x55
265 #define DR7_MAX_BP           4
266 #define DR7_TYPE_BP_INST     0x0
267 #define DR7_TYPE_DATA_WR     0x1
268 #define DR7_TYPE_IO_RW       0x2
269 #define DR7_TYPE_DATA_RW     0x3
270 
271 #define PG_PRESENT_BIT  0
272 #define PG_RW_BIT       1
273 #define PG_USER_BIT     2
274 #define PG_PWT_BIT      3
275 #define PG_PCD_BIT      4
276 #define PG_ACCESSED_BIT 5
277 #define PG_DIRTY_BIT    6
278 #define PG_PSE_BIT      7
279 #define PG_GLOBAL_BIT   8
280 #define PG_PSE_PAT_BIT  12
281 #define PG_PKRU_BIT     59
282 #define PG_NX_BIT       63
283 
284 #define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
285 #define PG_RW_MASK       (1 << PG_RW_BIT)
286 #define PG_USER_MASK     (1 << PG_USER_BIT)
287 #define PG_PWT_MASK      (1 << PG_PWT_BIT)
288 #define PG_PCD_MASK      (1 << PG_PCD_BIT)
289 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
290 #define PG_DIRTY_MASK    (1 << PG_DIRTY_BIT)
291 #define PG_PSE_MASK      (1 << PG_PSE_BIT)
292 #define PG_GLOBAL_MASK   (1 << PG_GLOBAL_BIT)
293 #define PG_PSE_PAT_MASK  (1 << PG_PSE_PAT_BIT)
294 #define PG_ADDRESS_MASK  0x000ffffffffff000LL
295 #define PG_HI_RSVD_MASK  (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK)
296 #define PG_HI_USER_MASK  0x7ff0000000000000LL
297 #define PG_PKRU_MASK     (15ULL << PG_PKRU_BIT)
298 #define PG_NX_MASK       (1ULL << PG_NX_BIT)
299 
300 #define PG_ERROR_W_BIT     1
301 
302 #define PG_ERROR_P_MASK    0x01
303 #define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
304 #define PG_ERROR_U_MASK    0x04
305 #define PG_ERROR_RSVD_MASK 0x08
306 #define PG_ERROR_I_D_MASK  0x10
307 #define PG_ERROR_PK_MASK   0x20
308 
309 #define MCG_CTL_P       (1ULL<<8)   /* MCG_CAP register available */
310 #define MCG_SER_P       (1ULL<<24) /* MCA recovery/new status bits */
311 #define MCG_LMCE_P      (1ULL<<27) /* Local Machine Check Supported */
312 
313 #define MCE_CAP_DEF     (MCG_CTL_P|MCG_SER_P)
314 #define MCE_BANKS_DEF   10
315 
316 #define MCG_CAP_BANKS_MASK 0xff
317 
318 #define MCG_STATUS_RIPV (1ULL<<0)   /* restart ip valid */
319 #define MCG_STATUS_EIPV (1ULL<<1)   /* ip points to correct instruction */
320 #define MCG_STATUS_MCIP (1ULL<<2)   /* machine check in progress */
321 #define MCG_STATUS_LMCE (1ULL<<3)   /* Local MCE signaled */
322 
323 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */
324 
325 #define MCI_STATUS_VAL   (1ULL<<63)  /* valid error */
326 #define MCI_STATUS_OVER  (1ULL<<62)  /* previous errors lost */
327 #define MCI_STATUS_UC    (1ULL<<61)  /* uncorrected error */
328 #define MCI_STATUS_EN    (1ULL<<60)  /* error enabled */
329 #define MCI_STATUS_MISCV (1ULL<<59)  /* misc error reg. valid */
330 #define MCI_STATUS_ADDRV (1ULL<<58)  /* addr reg. valid */
331 #define MCI_STATUS_PCC   (1ULL<<57)  /* processor context corrupt */
332 #define MCI_STATUS_S     (1ULL<<56)  /* Signaled machine check */
333 #define MCI_STATUS_AR    (1ULL<<55)  /* Action required */
334 
335 /* MISC register defines */
336 #define MCM_ADDR_SEGOFF  0      /* segment offset */
337 #define MCM_ADDR_LINEAR  1      /* linear address */
338 #define MCM_ADDR_PHYS    2      /* physical address */
339 #define MCM_ADDR_MEM     3      /* memory address */
340 #define MCM_ADDR_GENERIC 7      /* generic */
341 
342 #define MSR_IA32_TSC                    0x10
343 #define MSR_IA32_APICBASE               0x1b
344 #define MSR_IA32_APICBASE_BSP           (1<<8)
345 #define MSR_IA32_APICBASE_ENABLE        (1<<11)
346 #define MSR_IA32_APICBASE_EXTD          (1 << 10)
347 #define MSR_IA32_APICBASE_BASE          (0xfffffU<<12)
348 #define MSR_IA32_FEATURE_CONTROL        0x0000003a
349 #define MSR_TSC_ADJUST                  0x0000003b
350 #define MSR_IA32_SPEC_CTRL              0x48
351 #define MSR_VIRT_SSBD                   0xc001011f
352 #define MSR_IA32_PRED_CMD               0x49
353 #define MSR_IA32_UCODE_REV              0x8b
354 #define MSR_IA32_CORE_CAPABILITY        0xcf
355 
356 #define MSR_IA32_ARCH_CAPABILITIES      0x10a
357 #define ARCH_CAP_TSX_CTRL_MSR		(1<<7)
358 
359 #define MSR_IA32_TSX_CTRL		0x122
360 #define MSR_IA32_TSCDEADLINE            0x6e0
361 
362 #define FEATURE_CONTROL_LOCKED                    (1<<0)
363 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
364 #define FEATURE_CONTROL_LMCE                      (1<<20)
365 
366 #define MSR_P6_PERFCTR0                 0xc1
367 
368 #define MSR_IA32_SMBASE                 0x9e
369 #define MSR_SMI_COUNT                   0x34
370 #define MSR_MTRRcap                     0xfe
371 #define MSR_MTRRcap_VCNT                8
372 #define MSR_MTRRcap_FIXRANGE_SUPPORT    (1 << 8)
373 #define MSR_MTRRcap_WC_SUPPORTED        (1 << 10)
374 
375 #define MSR_IA32_SYSENTER_CS            0x174
376 #define MSR_IA32_SYSENTER_ESP           0x175
377 #define MSR_IA32_SYSENTER_EIP           0x176
378 
379 #define MSR_MCG_CAP                     0x179
380 #define MSR_MCG_STATUS                  0x17a
381 #define MSR_MCG_CTL                     0x17b
382 #define MSR_MCG_EXT_CTL                 0x4d0
383 
384 #define MSR_P6_EVNTSEL0                 0x186
385 
386 #define MSR_IA32_PERF_STATUS            0x198
387 
388 #define MSR_IA32_MISC_ENABLE            0x1a0
389 /* Indicates good rep/movs microcode on some processors: */
390 #define MSR_IA32_MISC_ENABLE_DEFAULT    1
391 #define MSR_IA32_MISC_ENABLE_MWAIT      (1ULL << 18)
392 
393 #define MSR_MTRRphysBase(reg)           (0x200 + 2 * (reg))
394 #define MSR_MTRRphysMask(reg)           (0x200 + 2 * (reg) + 1)
395 
396 #define MSR_MTRRphysIndex(addr)         ((((addr) & ~1u) - 0x200) / 2)
397 
398 #define MSR_MTRRfix64K_00000            0x250
399 #define MSR_MTRRfix16K_80000            0x258
400 #define MSR_MTRRfix16K_A0000            0x259
401 #define MSR_MTRRfix4K_C0000             0x268
402 #define MSR_MTRRfix4K_C8000             0x269
403 #define MSR_MTRRfix4K_D0000             0x26a
404 #define MSR_MTRRfix4K_D8000             0x26b
405 #define MSR_MTRRfix4K_E0000             0x26c
406 #define MSR_MTRRfix4K_E8000             0x26d
407 #define MSR_MTRRfix4K_F0000             0x26e
408 #define MSR_MTRRfix4K_F8000             0x26f
409 
410 #define MSR_PAT                         0x277
411 
412 #define MSR_MTRRdefType                 0x2ff
413 
414 #define MSR_CORE_PERF_FIXED_CTR0        0x309
415 #define MSR_CORE_PERF_FIXED_CTR1        0x30a
416 #define MSR_CORE_PERF_FIXED_CTR2        0x30b
417 #define MSR_CORE_PERF_FIXED_CTR_CTRL    0x38d
418 #define MSR_CORE_PERF_GLOBAL_STATUS     0x38e
419 #define MSR_CORE_PERF_GLOBAL_CTRL       0x38f
420 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL   0x390
421 
422 #define MSR_MC0_CTL                     0x400
423 #define MSR_MC0_STATUS                  0x401
424 #define MSR_MC0_ADDR                    0x402
425 #define MSR_MC0_MISC                    0x403
426 
427 #define MSR_IA32_RTIT_OUTPUT_BASE       0x560
428 #define MSR_IA32_RTIT_OUTPUT_MASK       0x561
429 #define MSR_IA32_RTIT_CTL               0x570
430 #define MSR_IA32_RTIT_STATUS            0x571
431 #define MSR_IA32_RTIT_CR3_MATCH         0x572
432 #define MSR_IA32_RTIT_ADDR0_A           0x580
433 #define MSR_IA32_RTIT_ADDR0_B           0x581
434 #define MSR_IA32_RTIT_ADDR1_A           0x582
435 #define MSR_IA32_RTIT_ADDR1_B           0x583
436 #define MSR_IA32_RTIT_ADDR2_A           0x584
437 #define MSR_IA32_RTIT_ADDR2_B           0x585
438 #define MSR_IA32_RTIT_ADDR3_A           0x586
439 #define MSR_IA32_RTIT_ADDR3_B           0x587
440 #define MAX_RTIT_ADDRS                  8
441 
442 #define MSR_EFER                        0xc0000080
443 
444 #define MSR_EFER_SCE   (1 << 0)
445 #define MSR_EFER_LME   (1 << 8)
446 #define MSR_EFER_LMA   (1 << 10)
447 #define MSR_EFER_NXE   (1 << 11)
448 #define MSR_EFER_SVME  (1 << 12)
449 #define MSR_EFER_FFXSR (1 << 14)
450 
451 #define MSR_STAR                        0xc0000081
452 #define MSR_LSTAR                       0xc0000082
453 #define MSR_CSTAR                       0xc0000083
454 #define MSR_FMASK                       0xc0000084
455 #define MSR_FSBASE                      0xc0000100
456 #define MSR_GSBASE                      0xc0000101
457 #define MSR_KERNELGSBASE                0xc0000102
458 #define MSR_TSC_AUX                     0xc0000103
459 
460 #define MSR_VM_HSAVE_PA                 0xc0010117
461 
462 #define MSR_IA32_BNDCFGS                0x00000d90
463 #define MSR_IA32_XSS                    0x00000da0
464 #define MSR_IA32_UMWAIT_CONTROL         0xe1
465 
466 #define MSR_IA32_VMX_BASIC              0x00000480
467 #define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
468 #define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
469 #define MSR_IA32_VMX_EXIT_CTLS          0x00000483
470 #define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
471 #define MSR_IA32_VMX_MISC               0x00000485
472 #define MSR_IA32_VMX_CR0_FIXED0         0x00000486
473 #define MSR_IA32_VMX_CR0_FIXED1         0x00000487
474 #define MSR_IA32_VMX_CR4_FIXED0         0x00000488
475 #define MSR_IA32_VMX_CR4_FIXED1         0x00000489
476 #define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
477 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
478 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
479 #define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
480 #define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
481 #define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
482 #define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
483 #define MSR_IA32_VMX_VMFUNC             0x00000491
484 
485 #define XSTATE_FP_BIT                   0
486 #define XSTATE_SSE_BIT                  1
487 #define XSTATE_YMM_BIT                  2
488 #define XSTATE_BNDREGS_BIT              3
489 #define XSTATE_BNDCSR_BIT               4
490 #define XSTATE_OPMASK_BIT               5
491 #define XSTATE_ZMM_Hi256_BIT            6
492 #define XSTATE_Hi16_ZMM_BIT             7
493 #define XSTATE_PKRU_BIT                 9
494 
495 #define XSTATE_FP_MASK                  (1ULL << XSTATE_FP_BIT)
496 #define XSTATE_SSE_MASK                 (1ULL << XSTATE_SSE_BIT)
497 #define XSTATE_YMM_MASK                 (1ULL << XSTATE_YMM_BIT)
498 #define XSTATE_BNDREGS_MASK             (1ULL << XSTATE_BNDREGS_BIT)
499 #define XSTATE_BNDCSR_MASK              (1ULL << XSTATE_BNDCSR_BIT)
500 #define XSTATE_OPMASK_MASK              (1ULL << XSTATE_OPMASK_BIT)
501 #define XSTATE_ZMM_Hi256_MASK           (1ULL << XSTATE_ZMM_Hi256_BIT)
502 #define XSTATE_Hi16_ZMM_MASK            (1ULL << XSTATE_Hi16_ZMM_BIT)
503 #define XSTATE_PKRU_MASK                (1ULL << XSTATE_PKRU_BIT)
504 
505 /* CPUID feature words */
506 typedef enum FeatureWord {
507     FEAT_1_EDX,         /* CPUID[1].EDX */
508     FEAT_1_ECX,         /* CPUID[1].ECX */
509     FEAT_7_0_EBX,       /* CPUID[EAX=7,ECX=0].EBX */
510     FEAT_7_0_ECX,       /* CPUID[EAX=7,ECX=0].ECX */
511     FEAT_7_0_EDX,       /* CPUID[EAX=7,ECX=0].EDX */
512     FEAT_7_1_EAX,       /* CPUID[EAX=7,ECX=1].EAX */
513     FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
514     FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
515     FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
516     FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */
517     FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
518     FEAT_KVM,           /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
519     FEAT_KVM_HINTS,     /* CPUID[4000_0001].EDX */
520     FEAT_HYPERV_EAX,    /* CPUID[4000_0003].EAX */
521     FEAT_HYPERV_EBX,    /* CPUID[4000_0003].EBX */
522     FEAT_HYPERV_EDX,    /* CPUID[4000_0003].EDX */
523     FEAT_HV_RECOMM_EAX, /* CPUID[4000_0004].EAX */
524     FEAT_HV_NESTED_EAX, /* CPUID[4000_000A].EAX */
525     FEAT_SVM,           /* CPUID[8000_000A].EDX */
526     FEAT_XSAVE,         /* CPUID[EAX=0xd,ECX=1].EAX */
527     FEAT_6_EAX,         /* CPUID[6].EAX */
528     FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */
529     FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */
530     FEAT_ARCH_CAPABILITIES,
531     FEAT_CORE_CAPABILITY,
532     FEAT_VMX_PROCBASED_CTLS,
533     FEAT_VMX_SECONDARY_CTLS,
534     FEAT_VMX_PINBASED_CTLS,
535     FEAT_VMX_EXIT_CTLS,
536     FEAT_VMX_ENTRY_CTLS,
537     FEAT_VMX_MISC,
538     FEAT_VMX_EPT_VPID_CAPS,
539     FEAT_VMX_BASIC,
540     FEAT_VMX_VMFUNC,
541     FEATURE_WORDS,
542 } FeatureWord;
543 
544 typedef uint64_t FeatureWordArray[FEATURE_WORDS];
545 
546 /* cpuid_features bits */
547 #define CPUID_FP87 (1U << 0)
548 #define CPUID_VME  (1U << 1)
549 #define CPUID_DE   (1U << 2)
550 #define CPUID_PSE  (1U << 3)
551 #define CPUID_TSC  (1U << 4)
552 #define CPUID_MSR  (1U << 5)
553 #define CPUID_PAE  (1U << 6)
554 #define CPUID_MCE  (1U << 7)
555 #define CPUID_CX8  (1U << 8)
556 #define CPUID_APIC (1U << 9)
557 #define CPUID_SEP  (1U << 11) /* sysenter/sysexit */
558 #define CPUID_MTRR (1U << 12)
559 #define CPUID_PGE  (1U << 13)
560 #define CPUID_MCA  (1U << 14)
561 #define CPUID_CMOV (1U << 15)
562 #define CPUID_PAT  (1U << 16)
563 #define CPUID_PSE36   (1U << 17)
564 #define CPUID_PN   (1U << 18)
565 #define CPUID_CLFLUSH (1U << 19)
566 #define CPUID_DTS (1U << 21)
567 #define CPUID_ACPI (1U << 22)
568 #define CPUID_MMX  (1U << 23)
569 #define CPUID_FXSR (1U << 24)
570 #define CPUID_SSE  (1U << 25)
571 #define CPUID_SSE2 (1U << 26)
572 #define CPUID_SS (1U << 27)
573 #define CPUID_HT (1U << 28)
574 #define CPUID_TM (1U << 29)
575 #define CPUID_IA64 (1U << 30)
576 #define CPUID_PBE (1U << 31)
577 
578 #define CPUID_EXT_SSE3     (1U << 0)
579 #define CPUID_EXT_PCLMULQDQ (1U << 1)
580 #define CPUID_EXT_DTES64   (1U << 2)
581 #define CPUID_EXT_MONITOR  (1U << 3)
582 #define CPUID_EXT_DSCPL    (1U << 4)
583 #define CPUID_EXT_VMX      (1U << 5)
584 #define CPUID_EXT_SMX      (1U << 6)
585 #define CPUID_EXT_EST      (1U << 7)
586 #define CPUID_EXT_TM2      (1U << 8)
587 #define CPUID_EXT_SSSE3    (1U << 9)
588 #define CPUID_EXT_CID      (1U << 10)
589 #define CPUID_EXT_FMA      (1U << 12)
590 #define CPUID_EXT_CX16     (1U << 13)
591 #define CPUID_EXT_XTPR     (1U << 14)
592 #define CPUID_EXT_PDCM     (1U << 15)
593 #define CPUID_EXT_PCID     (1U << 17)
594 #define CPUID_EXT_DCA      (1U << 18)
595 #define CPUID_EXT_SSE41    (1U << 19)
596 #define CPUID_EXT_SSE42    (1U << 20)
597 #define CPUID_EXT_X2APIC   (1U << 21)
598 #define CPUID_EXT_MOVBE    (1U << 22)
599 #define CPUID_EXT_POPCNT   (1U << 23)
600 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
601 #define CPUID_EXT_AES      (1U << 25)
602 #define CPUID_EXT_XSAVE    (1U << 26)
603 #define CPUID_EXT_OSXSAVE  (1U << 27)
604 #define CPUID_EXT_AVX      (1U << 28)
605 #define CPUID_EXT_F16C     (1U << 29)
606 #define CPUID_EXT_RDRAND   (1U << 30)
607 #define CPUID_EXT_HYPERVISOR  (1U << 31)
608 
609 #define CPUID_EXT2_FPU     (1U << 0)
610 #define CPUID_EXT2_VME     (1U << 1)
611 #define CPUID_EXT2_DE      (1U << 2)
612 #define CPUID_EXT2_PSE     (1U << 3)
613 #define CPUID_EXT2_TSC     (1U << 4)
614 #define CPUID_EXT2_MSR     (1U << 5)
615 #define CPUID_EXT2_PAE     (1U << 6)
616 #define CPUID_EXT2_MCE     (1U << 7)
617 #define CPUID_EXT2_CX8     (1U << 8)
618 #define CPUID_EXT2_APIC    (1U << 9)
619 #define CPUID_EXT2_SYSCALL (1U << 11)
620 #define CPUID_EXT2_MTRR    (1U << 12)
621 #define CPUID_EXT2_PGE     (1U << 13)
622 #define CPUID_EXT2_MCA     (1U << 14)
623 #define CPUID_EXT2_CMOV    (1U << 15)
624 #define CPUID_EXT2_PAT     (1U << 16)
625 #define CPUID_EXT2_PSE36   (1U << 17)
626 #define CPUID_EXT2_MP      (1U << 19)
627 #define CPUID_EXT2_NX      (1U << 20)
628 #define CPUID_EXT2_MMXEXT  (1U << 22)
629 #define CPUID_EXT2_MMX     (1U << 23)
630 #define CPUID_EXT2_FXSR    (1U << 24)
631 #define CPUID_EXT2_FFXSR   (1U << 25)
632 #define CPUID_EXT2_PDPE1GB (1U << 26)
633 #define CPUID_EXT2_RDTSCP  (1U << 27)
634 #define CPUID_EXT2_LM      (1U << 29)
635 #define CPUID_EXT2_3DNOWEXT (1U << 30)
636 #define CPUID_EXT2_3DNOW   (1U << 31)
637 
638 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
639 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
640                                 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
641                                 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
642                                 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
643                                 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
644                                 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
645                                 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
646                                 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
647                                 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
648 
649 #define CPUID_EXT3_LAHF_LM (1U << 0)
650 #define CPUID_EXT3_CMP_LEG (1U << 1)
651 #define CPUID_EXT3_SVM     (1U << 2)
652 #define CPUID_EXT3_EXTAPIC (1U << 3)
653 #define CPUID_EXT3_CR8LEG  (1U << 4)
654 #define CPUID_EXT3_ABM     (1U << 5)
655 #define CPUID_EXT3_SSE4A   (1U << 6)
656 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
657 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
658 #define CPUID_EXT3_OSVW    (1U << 9)
659 #define CPUID_EXT3_IBS     (1U << 10)
660 #define CPUID_EXT3_XOP     (1U << 11)
661 #define CPUID_EXT3_SKINIT  (1U << 12)
662 #define CPUID_EXT3_WDT     (1U << 13)
663 #define CPUID_EXT3_LWP     (1U << 15)
664 #define CPUID_EXT3_FMA4    (1U << 16)
665 #define CPUID_EXT3_TCE     (1U << 17)
666 #define CPUID_EXT3_NODEID  (1U << 19)
667 #define CPUID_EXT3_TBM     (1U << 21)
668 #define CPUID_EXT3_TOPOEXT (1U << 22)
669 #define CPUID_EXT3_PERFCORE (1U << 23)
670 #define CPUID_EXT3_PERFNB  (1U << 24)
671 
672 #define CPUID_SVM_NPT          (1U << 0)
673 #define CPUID_SVM_LBRV         (1U << 1)
674 #define CPUID_SVM_SVMLOCK      (1U << 2)
675 #define CPUID_SVM_NRIPSAVE     (1U << 3)
676 #define CPUID_SVM_TSCSCALE     (1U << 4)
677 #define CPUID_SVM_VMCBCLEAN    (1U << 5)
678 #define CPUID_SVM_FLUSHASID    (1U << 6)
679 #define CPUID_SVM_DECODEASSIST (1U << 7)
680 #define CPUID_SVM_PAUSEFILTER  (1U << 10)
681 #define CPUID_SVM_PFTHRESHOLD  (1U << 12)
682 
683 /* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
684 #define CPUID_7_0_EBX_FSGSBASE          (1U << 0)
685 /* 1st Group of Advanced Bit Manipulation Extensions */
686 #define CPUID_7_0_EBX_BMI1              (1U << 3)
687 /* Hardware Lock Elision */
688 #define CPUID_7_0_EBX_HLE               (1U << 4)
689 /* Intel Advanced Vector Extensions 2 */
690 #define CPUID_7_0_EBX_AVX2              (1U << 5)
691 /* Supervisor-mode Execution Prevention */
692 #define CPUID_7_0_EBX_SMEP              (1U << 7)
693 /* 2nd Group of Advanced Bit Manipulation Extensions */
694 #define CPUID_7_0_EBX_BMI2              (1U << 8)
695 /* Enhanced REP MOVSB/STOSB */
696 #define CPUID_7_0_EBX_ERMS              (1U << 9)
697 /* Invalidate Process-Context Identifier */
698 #define CPUID_7_0_EBX_INVPCID           (1U << 10)
699 /* Restricted Transactional Memory */
700 #define CPUID_7_0_EBX_RTM               (1U << 11)
701 /* Memory Protection Extension */
702 #define CPUID_7_0_EBX_MPX               (1U << 14)
703 /* AVX-512 Foundation */
704 #define CPUID_7_0_EBX_AVX512F           (1U << 16)
705 /* AVX-512 Doubleword & Quadword Instruction */
706 #define CPUID_7_0_EBX_AVX512DQ          (1U << 17)
707 /* Read Random SEED */
708 #define CPUID_7_0_EBX_RDSEED            (1U << 18)
709 /* ADCX and ADOX instructions */
710 #define CPUID_7_0_EBX_ADX               (1U << 19)
711 /* Supervisor Mode Access Prevention */
712 #define CPUID_7_0_EBX_SMAP              (1U << 20)
713 /* AVX-512 Integer Fused Multiply Add */
714 #define CPUID_7_0_EBX_AVX512IFMA        (1U << 21)
715 /* Persistent Commit */
716 #define CPUID_7_0_EBX_PCOMMIT           (1U << 22)
717 /* Flush a Cache Line Optimized */
718 #define CPUID_7_0_EBX_CLFLUSHOPT        (1U << 23)
719 /* Cache Line Write Back */
720 #define CPUID_7_0_EBX_CLWB              (1U << 24)
721 /* Intel Processor Trace */
722 #define CPUID_7_0_EBX_INTEL_PT          (1U << 25)
723 /* AVX-512 Prefetch */
724 #define CPUID_7_0_EBX_AVX512PF          (1U << 26)
725 /* AVX-512 Exponential and Reciprocal */
726 #define CPUID_7_0_EBX_AVX512ER          (1U << 27)
727 /* AVX-512 Conflict Detection */
728 #define CPUID_7_0_EBX_AVX512CD          (1U << 28)
729 /* SHA1/SHA256 Instruction Extensions */
730 #define CPUID_7_0_EBX_SHA_NI            (1U << 29)
731 /* AVX-512 Byte and Word Instructions */
732 #define CPUID_7_0_EBX_AVX512BW          (1U << 30)
733 /* AVX-512 Vector Length Extensions */
734 #define CPUID_7_0_EBX_AVX512VL          (1U << 31)
735 
736 /* AVX-512 Vector Byte Manipulation Instruction */
737 #define CPUID_7_0_ECX_AVX512_VBMI       (1U << 1)
738 /* User-Mode Instruction Prevention */
739 #define CPUID_7_0_ECX_UMIP              (1U << 2)
740 /* Protection Keys for User-mode Pages */
741 #define CPUID_7_0_ECX_PKU               (1U << 3)
742 /* OS Enable Protection Keys */
743 #define CPUID_7_0_ECX_OSPKE             (1U << 4)
744 /* UMONITOR/UMWAIT/TPAUSE Instructions */
745 #define CPUID_7_0_ECX_WAITPKG           (1U << 5)
746 /* Additional AVX-512 Vector Byte Manipulation Instruction */
747 #define CPUID_7_0_ECX_AVX512_VBMI2      (1U << 6)
748 /* Galois Field New Instructions */
749 #define CPUID_7_0_ECX_GFNI              (1U << 8)
750 /* Vector AES Instructions */
751 #define CPUID_7_0_ECX_VAES              (1U << 9)
752 /* Carry-Less Multiplication Quadword */
753 #define CPUID_7_0_ECX_VPCLMULQDQ        (1U << 10)
754 /* Vector Neural Network Instructions */
755 #define CPUID_7_0_ECX_AVX512VNNI        (1U << 11)
756 /* Support for VPOPCNT[B,W] and VPSHUFBITQMB */
757 #define CPUID_7_0_ECX_AVX512BITALG      (1U << 12)
758 /* POPCNT for vectors of DW/QW */
759 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ  (1U << 14)
760 /* 5-level Page Tables */
761 #define CPUID_7_0_ECX_LA57              (1U << 16)
762 /* Read Processor ID */
763 #define CPUID_7_0_ECX_RDPID             (1U << 22)
764 /* Cache Line Demote Instruction */
765 #define CPUID_7_0_ECX_CLDEMOTE          (1U << 25)
766 /* Move Doubleword as Direct Store Instruction */
767 #define CPUID_7_0_ECX_MOVDIRI           (1U << 27)
768 /* Move 64 Bytes as Direct Store Instruction */
769 #define CPUID_7_0_ECX_MOVDIR64B         (1U << 28)
770 
771 /* AVX512 Neural Network Instructions */
772 #define CPUID_7_0_EDX_AVX512_4VNNIW     (1U << 2)
773 /* AVX512 Multiply Accumulation Single Precision */
774 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
775 /* Speculation Control */
776 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
777 /* Single Thread Indirect Branch Predictors */
778 #define CPUID_7_0_EDX_STIBP             (1U << 27)
779 /* Arch Capabilities */
780 #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
781 /* Core Capability */
782 #define CPUID_7_0_EDX_CORE_CAPABILITY   (1U << 30)
783 /* Speculative Store Bypass Disable */
784 #define CPUID_7_0_EDX_SPEC_CTRL_SSBD    (1U << 31)
785 
786 /* AVX512 BFloat16 Instruction */
787 #define CPUID_7_1_EAX_AVX512_BF16       (1U << 5)
788 
789 /* CLZERO instruction */
790 #define CPUID_8000_0008_EBX_CLZERO      (1U << 0)
791 /* Always save/restore FP error pointers */
792 #define CPUID_8000_0008_EBX_XSAVEERPTR  (1U << 2)
793 /* Write back and do not invalidate cache */
794 #define CPUID_8000_0008_EBX_WBNOINVD    (1U << 9)
795 /* Indirect Branch Prediction Barrier */
796 #define CPUID_8000_0008_EBX_IBPB        (1U << 12)
797 /* Single Thread Indirect Branch Predictors */
798 #define CPUID_8000_0008_EBX_STIBP       (1U << 15)
799 
800 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
801 #define CPUID_XSAVE_XSAVEC     (1U << 1)
802 #define CPUID_XSAVE_XGETBV1    (1U << 2)
803 #define CPUID_XSAVE_XSAVES     (1U << 3)
804 
805 #define CPUID_6_EAX_ARAT       (1U << 2)
806 
807 /* CPUID[0x80000007].EDX flags: */
808 #define CPUID_APM_INVTSC       (1U << 8)
809 
810 #define CPUID_VENDOR_SZ      12
811 
812 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
813 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
814 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
815 #define CPUID_VENDOR_INTEL "GenuineIntel"
816 
817 #define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
818 #define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */
819 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
820 #define CPUID_VENDOR_AMD   "AuthenticAMD"
821 
822 #define CPUID_VENDOR_VIA   "CentaurHauls"
823 
824 #define CPUID_VENDOR_HYGON    "HygonGenuine"
825 
826 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
827                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
828                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
829 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
830                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
831                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
832 
833 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
834 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */
835 
836 /* CPUID[0xB].ECX level types */
837 #define CPUID_TOPOLOGY_LEVEL_INVALID  (0U << 8)
838 #define CPUID_TOPOLOGY_LEVEL_SMT      (1U << 8)
839 #define CPUID_TOPOLOGY_LEVEL_CORE     (2U << 8)
840 #define CPUID_TOPOLOGY_LEVEL_DIE      (5U << 8)
841 
842 /* MSR Feature Bits */
843 #define MSR_ARCH_CAP_RDCL_NO            (1U << 0)
844 #define MSR_ARCH_CAP_IBRS_ALL           (1U << 1)
845 #define MSR_ARCH_CAP_RSBA               (1U << 2)
846 #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
847 #define MSR_ARCH_CAP_SSB_NO             (1U << 4)
848 #define MSR_ARCH_CAP_MDS_NO             (1U << 5)
849 #define MSR_ARCH_CAP_PSCHANGE_MC_NO     (1U << 6)
850 #define MSR_ARCH_CAP_TSX_CTRL_MSR       (1U << 7)
851 #define MSR_ARCH_CAP_TAA_NO             (1U << 8)
852 
853 #define MSR_CORE_CAP_SPLIT_LOCK_DETECT  (1U << 5)
854 
855 /* VMX MSR features */
856 #define MSR_VMX_BASIC_VMCS_REVISION_MASK             0x7FFFFFFFull
857 #define MSR_VMX_BASIC_VMXON_REGION_SIZE_MASK         (0x00001FFFull << 32)
858 #define MSR_VMX_BASIC_VMCS_MEM_TYPE_MASK             (0x003C0000ull << 32)
859 #define MSR_VMX_BASIC_DUAL_MONITOR                   (1ULL << 49)
860 #define MSR_VMX_BASIC_INS_OUTS                       (1ULL << 54)
861 #define MSR_VMX_BASIC_TRUE_CTLS                      (1ULL << 55)
862 
863 #define MSR_VMX_MISC_PREEMPTION_TIMER_SHIFT_MASK     0x1Full
864 #define MSR_VMX_MISC_STORE_LMA                       (1ULL << 5)
865 #define MSR_VMX_MISC_ACTIVITY_HLT                    (1ULL << 6)
866 #define MSR_VMX_MISC_ACTIVITY_SHUTDOWN               (1ULL << 7)
867 #define MSR_VMX_MISC_ACTIVITY_WAIT_SIPI              (1ULL << 8)
868 #define MSR_VMX_MISC_MAX_MSR_LIST_SIZE_MASK          0x0E000000ull
869 #define MSR_VMX_MISC_VMWRITE_VMEXIT                  (1ULL << 29)
870 #define MSR_VMX_MISC_ZERO_LEN_INJECT                 (1ULL << 30)
871 
872 #define MSR_VMX_EPT_EXECONLY                         (1ULL << 0)
873 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_4               (1ULL << 6)
874 #define MSR_VMX_EPT_PAGE_WALK_LENGTH_5               (1ULL << 7)
875 #define MSR_VMX_EPT_UC                               (1ULL << 8)
876 #define MSR_VMX_EPT_WB                               (1ULL << 14)
877 #define MSR_VMX_EPT_2MB                              (1ULL << 16)
878 #define MSR_VMX_EPT_1GB                              (1ULL << 17)
879 #define MSR_VMX_EPT_INVEPT                           (1ULL << 20)
880 #define MSR_VMX_EPT_AD_BITS                          (1ULL << 21)
881 #define MSR_VMX_EPT_ADVANCED_VMEXIT_INFO             (1ULL << 22)
882 #define MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT            (1ULL << 25)
883 #define MSR_VMX_EPT_INVEPT_ALL_CONTEXT               (1ULL << 26)
884 #define MSR_VMX_EPT_INVVPID                          (1ULL << 32)
885 #define MSR_VMX_EPT_INVVPID_SINGLE_ADDR              (1ULL << 40)
886 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT           (1ULL << 41)
887 #define MSR_VMX_EPT_INVVPID_ALL_CONTEXT              (1ULL << 42)
888 #define MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS (1ULL << 43)
889 
890 #define MSR_VMX_VMFUNC_EPT_SWITCHING                 (1ULL << 0)
891 
892 
893 /* VMX controls */
894 #define VMX_CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
895 #define VMX_CPU_BASED_USE_TSC_OFFSETING             0x00000008
896 #define VMX_CPU_BASED_HLT_EXITING                   0x00000080
897 #define VMX_CPU_BASED_INVLPG_EXITING                0x00000200
898 #define VMX_CPU_BASED_MWAIT_EXITING                 0x00000400
899 #define VMX_CPU_BASED_RDPMC_EXITING                 0x00000800
900 #define VMX_CPU_BASED_RDTSC_EXITING                 0x00001000
901 #define VMX_CPU_BASED_CR3_LOAD_EXITING              0x00008000
902 #define VMX_CPU_BASED_CR3_STORE_EXITING             0x00010000
903 #define VMX_CPU_BASED_CR8_LOAD_EXITING              0x00080000
904 #define VMX_CPU_BASED_CR8_STORE_EXITING             0x00100000
905 #define VMX_CPU_BASED_TPR_SHADOW                    0x00200000
906 #define VMX_CPU_BASED_VIRTUAL_NMI_PENDING           0x00400000
907 #define VMX_CPU_BASED_MOV_DR_EXITING                0x00800000
908 #define VMX_CPU_BASED_UNCOND_IO_EXITING             0x01000000
909 #define VMX_CPU_BASED_USE_IO_BITMAPS                0x02000000
910 #define VMX_CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
911 #define VMX_CPU_BASED_USE_MSR_BITMAPS               0x10000000
912 #define VMX_CPU_BASED_MONITOR_EXITING               0x20000000
913 #define VMX_CPU_BASED_PAUSE_EXITING                 0x40000000
914 #define VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
915 
916 #define VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
917 #define VMX_SECONDARY_EXEC_ENABLE_EPT               0x00000002
918 #define VMX_SECONDARY_EXEC_DESC                     0x00000004
919 #define VMX_SECONDARY_EXEC_RDTSCP                   0x00000008
920 #define VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   0x00000010
921 #define VMX_SECONDARY_EXEC_ENABLE_VPID              0x00000020
922 #define VMX_SECONDARY_EXEC_WBINVD_EXITING           0x00000040
923 #define VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST       0x00000080
924 #define VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
925 #define VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
926 #define VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING       0x00000400
927 #define VMX_SECONDARY_EXEC_RDRAND_EXITING           0x00000800
928 #define VMX_SECONDARY_EXEC_ENABLE_INVPCID           0x00001000
929 #define VMX_SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
930 #define VMX_SECONDARY_EXEC_SHADOW_VMCS              0x00004000
931 #define VMX_SECONDARY_EXEC_ENCLS_EXITING            0x00008000
932 #define VMX_SECONDARY_EXEC_RDSEED_EXITING           0x00010000
933 #define VMX_SECONDARY_EXEC_ENABLE_PML               0x00020000
934 #define VMX_SECONDARY_EXEC_XSAVES                   0x00100000
935 
936 #define VMX_PIN_BASED_EXT_INTR_MASK                 0x00000001
937 #define VMX_PIN_BASED_NMI_EXITING                   0x00000008
938 #define VMX_PIN_BASED_VIRTUAL_NMIS                  0x00000020
939 #define VMX_PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
940 #define VMX_PIN_BASED_POSTED_INTR                   0x00000080
941 
942 #define VMX_VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
943 #define VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
944 #define VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
945 #define VMX_VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
946 #define VMX_VM_EXIT_SAVE_IA32_PAT                   0x00040000
947 #define VMX_VM_EXIT_LOAD_IA32_PAT                   0x00080000
948 #define VMX_VM_EXIT_SAVE_IA32_EFER                  0x00100000
949 #define VMX_VM_EXIT_LOAD_IA32_EFER                  0x00200000
950 #define VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
951 #define VMX_VM_EXIT_CLEAR_BNDCFGS                   0x00800000
952 #define VMX_VM_EXIT_PT_CONCEAL_PIP                  0x01000000
953 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL             0x02000000
954 
955 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
956 #define VMX_VM_ENTRY_IA32E_MODE                     0x00000200
957 #define VMX_VM_ENTRY_SMM                            0x00000400
958 #define VMX_VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
959 #define VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
960 #define VMX_VM_ENTRY_LOAD_IA32_PAT                  0x00004000
961 #define VMX_VM_ENTRY_LOAD_IA32_EFER                 0x00008000
962 #define VMX_VM_ENTRY_LOAD_BNDCFGS                   0x00010000
963 #define VMX_VM_ENTRY_PT_CONCEAL_PIP                 0x00020000
964 #define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL             0x00040000
965 
966 /* Supported Hyper-V Enlightenments */
967 #define HYPERV_FEAT_RELAXED             0
968 #define HYPERV_FEAT_VAPIC               1
969 #define HYPERV_FEAT_TIME                2
970 #define HYPERV_FEAT_CRASH               3
971 #define HYPERV_FEAT_RESET               4
972 #define HYPERV_FEAT_VPINDEX             5
973 #define HYPERV_FEAT_RUNTIME             6
974 #define HYPERV_FEAT_SYNIC               7
975 #define HYPERV_FEAT_STIMER              8
976 #define HYPERV_FEAT_FREQUENCIES         9
977 #define HYPERV_FEAT_REENLIGHTENMENT     10
978 #define HYPERV_FEAT_TLBFLUSH            11
979 #define HYPERV_FEAT_EVMCS               12
980 #define HYPERV_FEAT_IPI                 13
981 #define HYPERV_FEAT_STIMER_DIRECT       14
982 
983 #ifndef HYPERV_SPINLOCK_NEVER_RETRY
984 #define HYPERV_SPINLOCK_NEVER_RETRY             0xFFFFFFFF
985 #endif
986 
987 #define EXCP00_DIVZ	0
988 #define EXCP01_DB	1
989 #define EXCP02_NMI	2
990 #define EXCP03_INT3	3
991 #define EXCP04_INTO	4
992 #define EXCP05_BOUND	5
993 #define EXCP06_ILLOP	6
994 #define EXCP07_PREX	7
995 #define EXCP08_DBLE	8
996 #define EXCP09_XERR	9
997 #define EXCP0A_TSS	10
998 #define EXCP0B_NOSEG	11
999 #define EXCP0C_STACK	12
1000 #define EXCP0D_GPF	13
1001 #define EXCP0E_PAGE	14
1002 #define EXCP10_COPR	16
1003 #define EXCP11_ALGN	17
1004 #define EXCP12_MCHK	18
1005 
1006 #define EXCP_VMEXIT     0x100 /* only for system emulation */
1007 #define EXCP_SYSCALL    0x101 /* only for user emulation */
1008 #define EXCP_VSYSCALL   0x102 /* only for user emulation */
1009 
1010 /* i386-specific interrupt pending bits.  */
1011 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1
1012 #define CPU_INTERRUPT_SMI       CPU_INTERRUPT_TGT_EXT_2
1013 #define CPU_INTERRUPT_NMI       CPU_INTERRUPT_TGT_EXT_3
1014 #define CPU_INTERRUPT_MCE       CPU_INTERRUPT_TGT_EXT_4
1015 #define CPU_INTERRUPT_VIRQ      CPU_INTERRUPT_TGT_INT_0
1016 #define CPU_INTERRUPT_SIPI      CPU_INTERRUPT_TGT_INT_1
1017 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_2
1018 
1019 /* Use a clearer name for this.  */
1020 #define CPU_INTERRUPT_INIT      CPU_INTERRUPT_RESET
1021 
1022 /* Instead of computing the condition codes after each x86 instruction,
1023  * QEMU just stores one operand (called CC_SRC), the result
1024  * (called CC_DST) and the type of operation (called CC_OP). When the
1025  * condition codes are needed, the condition codes can be calculated
1026  * using this information. Condition codes are not generated if they
1027  * are only needed for conditional branches.
1028  */
1029 typedef enum {
1030     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
1031     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
1032 
1033     CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
1034     CC_OP_MULW,
1035     CC_OP_MULL,
1036     CC_OP_MULQ,
1037 
1038     CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1039     CC_OP_ADDW,
1040     CC_OP_ADDL,
1041     CC_OP_ADDQ,
1042 
1043     CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1044     CC_OP_ADCW,
1045     CC_OP_ADCL,
1046     CC_OP_ADCQ,
1047 
1048     CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1049     CC_OP_SUBW,
1050     CC_OP_SUBL,
1051     CC_OP_SUBQ,
1052 
1053     CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
1054     CC_OP_SBBW,
1055     CC_OP_SBBL,
1056     CC_OP_SBBQ,
1057 
1058     CC_OP_LOGICB, /* modify all flags, CC_DST = res */
1059     CC_OP_LOGICW,
1060     CC_OP_LOGICL,
1061     CC_OP_LOGICQ,
1062 
1063     CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
1064     CC_OP_INCW,
1065     CC_OP_INCL,
1066     CC_OP_INCQ,
1067 
1068     CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
1069     CC_OP_DECW,
1070     CC_OP_DECL,
1071     CC_OP_DECQ,
1072 
1073     CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
1074     CC_OP_SHLW,
1075     CC_OP_SHLL,
1076     CC_OP_SHLQ,
1077 
1078     CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
1079     CC_OP_SARW,
1080     CC_OP_SARL,
1081     CC_OP_SARQ,
1082 
1083     CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
1084     CC_OP_BMILGW,
1085     CC_OP_BMILGL,
1086     CC_OP_BMILGQ,
1087 
1088     CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest.  */
1089     CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest.  */
1090     CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest.  */
1091 
1092     CC_OP_CLR, /* Z set, all other flags clear.  */
1093     CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear.  */
1094 
1095     CC_OP_NB,
1096 } CCOp;
1097 
1098 typedef struct SegmentCache {
1099     uint32_t selector;
1100     target_ulong base;
1101     uint32_t limit;
1102     uint32_t flags;
1103 } SegmentCache;
1104 
1105 #define MMREG_UNION(n, bits)        \
1106     union n {                       \
1107         uint8_t  _b_##n[(bits)/8];  \
1108         uint16_t _w_##n[(bits)/16]; \
1109         uint32_t _l_##n[(bits)/32]; \
1110         uint64_t _q_##n[(bits)/64]; \
1111         float32  _s_##n[(bits)/32]; \
1112         float64  _d_##n[(bits)/64]; \
1113     }
1114 
1115 typedef union {
1116     uint8_t _b[16];
1117     uint16_t _w[8];
1118     uint32_t _l[4];
1119     uint64_t _q[2];
1120 } XMMReg;
1121 
1122 typedef union {
1123     uint8_t _b[32];
1124     uint16_t _w[16];
1125     uint32_t _l[8];
1126     uint64_t _q[4];
1127 } YMMReg;
1128 
1129 typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
1130 typedef MMREG_UNION(MMXReg, 64)  MMXReg;
1131 
1132 typedef struct BNDReg {
1133     uint64_t lb;
1134     uint64_t ub;
1135 } BNDReg;
1136 
1137 typedef struct BNDCSReg {
1138     uint64_t cfgu;
1139     uint64_t sts;
1140 } BNDCSReg;
1141 
1142 #define BNDCFG_ENABLE       1ULL
1143 #define BNDCFG_BNDPRESERVE  2ULL
1144 #define BNDCFG_BDIR_MASK    TARGET_PAGE_MASK
1145 
1146 #ifdef HOST_WORDS_BIGENDIAN
1147 #define ZMM_B(n) _b_ZMMReg[63 - (n)]
1148 #define ZMM_W(n) _w_ZMMReg[31 - (n)]
1149 #define ZMM_L(n) _l_ZMMReg[15 - (n)]
1150 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
1151 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
1152 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
1153 
1154 #define MMX_B(n) _b_MMXReg[7 - (n)]
1155 #define MMX_W(n) _w_MMXReg[3 - (n)]
1156 #define MMX_L(n) _l_MMXReg[1 - (n)]
1157 #define MMX_S(n) _s_MMXReg[1 - (n)]
1158 #else
1159 #define ZMM_B(n) _b_ZMMReg[n]
1160 #define ZMM_W(n) _w_ZMMReg[n]
1161 #define ZMM_L(n) _l_ZMMReg[n]
1162 #define ZMM_S(n) _s_ZMMReg[n]
1163 #define ZMM_Q(n) _q_ZMMReg[n]
1164 #define ZMM_D(n) _d_ZMMReg[n]
1165 
1166 #define MMX_B(n) _b_MMXReg[n]
1167 #define MMX_W(n) _w_MMXReg[n]
1168 #define MMX_L(n) _l_MMXReg[n]
1169 #define MMX_S(n) _s_MMXReg[n]
1170 #endif
1171 #define MMX_Q(n) _q_MMXReg[n]
1172 
1173 typedef union {
1174     floatx80 d __attribute__((aligned(16)));
1175     MMXReg mmx;
1176 } FPReg;
1177 
1178 typedef struct {
1179     uint64_t base;
1180     uint64_t mask;
1181 } MTRRVar;
1182 
1183 #define CPU_NB_REGS64 16
1184 #define CPU_NB_REGS32 8
1185 
1186 #ifdef TARGET_X86_64
1187 #define CPU_NB_REGS CPU_NB_REGS64
1188 #else
1189 #define CPU_NB_REGS CPU_NB_REGS32
1190 #endif
1191 
1192 #define MAX_FIXED_COUNTERS 3
1193 #define MAX_GP_COUNTERS    (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
1194 
1195 #define TARGET_INSN_START_EXTRA_WORDS 1
1196 
1197 #define NB_OPMASK_REGS 8
1198 
1199 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish
1200  * that APIC ID hasn't been set yet
1201  */
1202 #define UNASSIGNED_APIC_ID 0xFFFFFFFF
1203 
1204 typedef union X86LegacyXSaveArea {
1205     struct {
1206         uint16_t fcw;
1207         uint16_t fsw;
1208         uint8_t ftw;
1209         uint8_t reserved;
1210         uint16_t fpop;
1211         uint64_t fpip;
1212         uint64_t fpdp;
1213         uint32_t mxcsr;
1214         uint32_t mxcsr_mask;
1215         FPReg fpregs[8];
1216         uint8_t xmm_regs[16][16];
1217     };
1218     uint8_t data[512];
1219 } X86LegacyXSaveArea;
1220 
1221 typedef struct X86XSaveHeader {
1222     uint64_t xstate_bv;
1223     uint64_t xcomp_bv;
1224     uint64_t reserve0;
1225     uint8_t reserved[40];
1226 } X86XSaveHeader;
1227 
1228 /* Ext. save area 2: AVX State */
1229 typedef struct XSaveAVX {
1230     uint8_t ymmh[16][16];
1231 } XSaveAVX;
1232 
1233 /* Ext. save area 3: BNDREG */
1234 typedef struct XSaveBNDREG {
1235     BNDReg bnd_regs[4];
1236 } XSaveBNDREG;
1237 
1238 /* Ext. save area 4: BNDCSR */
1239 typedef union XSaveBNDCSR {
1240     BNDCSReg bndcsr;
1241     uint8_t data[64];
1242 } XSaveBNDCSR;
1243 
1244 /* Ext. save area 5: Opmask */
1245 typedef struct XSaveOpmask {
1246     uint64_t opmask_regs[NB_OPMASK_REGS];
1247 } XSaveOpmask;
1248 
1249 /* Ext. save area 6: ZMM_Hi256 */
1250 typedef struct XSaveZMM_Hi256 {
1251     uint8_t zmm_hi256[16][32];
1252 } XSaveZMM_Hi256;
1253 
1254 /* Ext. save area 7: Hi16_ZMM */
1255 typedef struct XSaveHi16_ZMM {
1256     uint8_t hi16_zmm[16][64];
1257 } XSaveHi16_ZMM;
1258 
1259 /* Ext. save area 9: PKRU state */
1260 typedef struct XSavePKRU {
1261     uint32_t pkru;
1262     uint32_t padding;
1263 } XSavePKRU;
1264 
1265 typedef struct X86XSaveArea {
1266     X86LegacyXSaveArea legacy;
1267     X86XSaveHeader header;
1268 
1269     /* Extended save areas: */
1270 
1271     /* AVX State: */
1272     XSaveAVX avx_state;
1273     uint8_t padding[960 - 576 - sizeof(XSaveAVX)];
1274     /* MPX State: */
1275     XSaveBNDREG bndreg_state;
1276     XSaveBNDCSR bndcsr_state;
1277     /* AVX-512 State: */
1278     XSaveOpmask opmask_state;
1279     XSaveZMM_Hi256 zmm_hi256_state;
1280     XSaveHi16_ZMM hi16_zmm_state;
1281     /* PKRU State: */
1282     XSavePKRU pkru_state;
1283 } X86XSaveArea;
1284 
1285 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240);
1286 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
1287 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0);
1288 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
1289 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400);
1290 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
1291 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440);
1292 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
1293 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480);
1294 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
1295 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680);
1296 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
1297 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80);
1298 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
1299 
1300 typedef enum TPRAccess {
1301     TPR_ACCESS_READ,
1302     TPR_ACCESS_WRITE,
1303 } TPRAccess;
1304 
1305 /* Cache information data structures: */
1306 
1307 enum CacheType {
1308     DATA_CACHE,
1309     INSTRUCTION_CACHE,
1310     UNIFIED_CACHE
1311 };
1312 
1313 typedef struct CPUCacheInfo {
1314     enum CacheType type;
1315     uint8_t level;
1316     /* Size in bytes */
1317     uint32_t size;
1318     /* Line size, in bytes */
1319     uint16_t line_size;
1320     /*
1321      * Associativity.
1322      * Note: representation of fully-associative caches is not implemented
1323      */
1324     uint8_t associativity;
1325     /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */
1326     uint8_t partitions;
1327     /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */
1328     uint32_t sets;
1329     /*
1330      * Lines per tag.
1331      * AMD-specific: CPUID[0x80000005], CPUID[0x80000006].
1332      * (Is this synonym to @partitions?)
1333      */
1334     uint8_t lines_per_tag;
1335 
1336     /* Self-initializing cache */
1337     bool self_init;
1338     /*
1339      * WBINVD/INVD is not guaranteed to act upon lower level caches of
1340      * non-originating threads sharing this cache.
1341      * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0]
1342      */
1343     bool no_invd_sharing;
1344     /*
1345      * Cache is inclusive of lower cache levels.
1346      * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1].
1347      */
1348     bool inclusive;
1349     /*
1350      * A complex function is used to index the cache, potentially using all
1351      * address bits.  CPUID[4].EDX[bit 2].
1352      */
1353     bool complex_indexing;
1354 } CPUCacheInfo;
1355 
1356 
1357 typedef struct CPUCaches {
1358         CPUCacheInfo *l1d_cache;
1359         CPUCacheInfo *l1i_cache;
1360         CPUCacheInfo *l2_cache;
1361         CPUCacheInfo *l3_cache;
1362 } CPUCaches;
1363 
1364 typedef struct CPUX86State {
1365     /* standard registers */
1366     target_ulong regs[CPU_NB_REGS];
1367     target_ulong eip;
1368     target_ulong eflags; /* eflags register. During CPU emulation, CC
1369                         flags and DF are set to zero because they are
1370                         stored elsewhere */
1371 
1372     /* emulator internal eflags handling */
1373     target_ulong cc_dst;
1374     target_ulong cc_src;
1375     target_ulong cc_src2;
1376     uint32_t cc_op;
1377     int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
1378     uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
1379                         are known at translation time. */
1380     uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
1381 
1382     /* segments */
1383     SegmentCache segs[6]; /* selector values */
1384     SegmentCache ldt;
1385     SegmentCache tr;
1386     SegmentCache gdt; /* only base and limit are used */
1387     SegmentCache idt; /* only base and limit are used */
1388 
1389     target_ulong cr[5]; /* NOTE: cr1 is unused */
1390     int32_t a20_mask;
1391 
1392     BNDReg bnd_regs[4];
1393     BNDCSReg bndcs_regs;
1394     uint64_t msr_bndcfgs;
1395     uint64_t efer;
1396 
1397     /* Beginning of state preserved by INIT (dummy marker).  */
1398     struct {} start_init_save;
1399 
1400     /* FPU state */
1401     unsigned int fpstt; /* top of stack index */
1402     uint16_t fpus;
1403     uint16_t fpuc;
1404     uint8_t fptags[8];   /* 0 = valid, 1 = empty */
1405     FPReg fpregs[8];
1406     /* KVM-only so far */
1407     uint16_t fpop;
1408     uint64_t fpip;
1409     uint64_t fpdp;
1410 
1411     /* emulator internal variables */
1412     float_status fp_status;
1413     floatx80 ft0;
1414 
1415     float_status mmx_status; /* for 3DNow! float ops */
1416     float_status sse_status;
1417     uint32_t mxcsr;
1418     ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
1419     ZMMReg xmm_t0;
1420     MMXReg mmx_t0;
1421 
1422     XMMReg ymmh_regs[CPU_NB_REGS];
1423 
1424     uint64_t opmask_regs[NB_OPMASK_REGS];
1425     YMMReg zmmh_regs[CPU_NB_REGS];
1426     ZMMReg hi16_zmm_regs[CPU_NB_REGS];
1427 
1428     /* sysenter registers */
1429     uint32_t sysenter_cs;
1430     target_ulong sysenter_esp;
1431     target_ulong sysenter_eip;
1432     uint64_t star;
1433 
1434     uint64_t vm_hsave;
1435 
1436 #ifdef TARGET_X86_64
1437     target_ulong lstar;
1438     target_ulong cstar;
1439     target_ulong fmask;
1440     target_ulong kernelgsbase;
1441 #endif
1442 
1443     uint64_t tsc;
1444     uint64_t tsc_adjust;
1445     uint64_t tsc_deadline;
1446     uint64_t tsc_aux;
1447 
1448     uint64_t xcr0;
1449 
1450     uint64_t mcg_status;
1451     uint64_t msr_ia32_misc_enable;
1452     uint64_t msr_ia32_feature_control;
1453 
1454     uint64_t msr_fixed_ctr_ctrl;
1455     uint64_t msr_global_ctrl;
1456     uint64_t msr_global_status;
1457     uint64_t msr_global_ovf_ctrl;
1458     uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
1459     uint64_t msr_gp_counters[MAX_GP_COUNTERS];
1460     uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
1461 
1462     uint64_t pat;
1463     uint32_t smbase;
1464     uint64_t msr_smi_count;
1465 
1466     uint32_t pkru;
1467     uint32_t tsx_ctrl;
1468 
1469     uint64_t spec_ctrl;
1470     uint64_t virt_ssbd;
1471 
1472     /* End of state preserved by INIT (dummy marker).  */
1473     struct {} end_init_save;
1474 
1475     uint64_t system_time_msr;
1476     uint64_t wall_clock_msr;
1477     uint64_t steal_time_msr;
1478     uint64_t async_pf_en_msr;
1479     uint64_t pv_eoi_en_msr;
1480     uint64_t poll_control_msr;
1481 
1482     /* Partition-wide HV MSRs, will be updated only on the first vcpu */
1483     uint64_t msr_hv_hypercall;
1484     uint64_t msr_hv_guest_os_id;
1485     uint64_t msr_hv_tsc;
1486 
1487     /* Per-VCPU HV MSRs */
1488     uint64_t msr_hv_vapic;
1489     uint64_t msr_hv_crash_params[HV_CRASH_PARAMS];
1490     uint64_t msr_hv_runtime;
1491     uint64_t msr_hv_synic_control;
1492     uint64_t msr_hv_synic_evt_page;
1493     uint64_t msr_hv_synic_msg_page;
1494     uint64_t msr_hv_synic_sint[HV_SINT_COUNT];
1495     uint64_t msr_hv_stimer_config[HV_STIMER_COUNT];
1496     uint64_t msr_hv_stimer_count[HV_STIMER_COUNT];
1497     uint64_t msr_hv_reenlightenment_control;
1498     uint64_t msr_hv_tsc_emulation_control;
1499     uint64_t msr_hv_tsc_emulation_status;
1500 
1501     uint64_t msr_rtit_ctrl;
1502     uint64_t msr_rtit_status;
1503     uint64_t msr_rtit_output_base;
1504     uint64_t msr_rtit_output_mask;
1505     uint64_t msr_rtit_cr3_match;
1506     uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS];
1507 
1508     /* exception/interrupt handling */
1509     int error_code;
1510     int exception_is_int;
1511     target_ulong exception_next_eip;
1512     target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */
1513     union {
1514         struct CPUBreakpoint *cpu_breakpoint[4];
1515         struct CPUWatchpoint *cpu_watchpoint[4];
1516     }; /* break/watchpoints for dr[0..3] */
1517     int old_exception;  /* exception in flight */
1518 
1519     uint64_t vm_vmcb;
1520     uint64_t tsc_offset;
1521     uint64_t intercept;
1522     uint16_t intercept_cr_read;
1523     uint16_t intercept_cr_write;
1524     uint16_t intercept_dr_read;
1525     uint16_t intercept_dr_write;
1526     uint32_t intercept_exceptions;
1527     uint64_t nested_cr3;
1528     uint32_t nested_pg_mode;
1529     uint8_t v_tpr;
1530 
1531     /* KVM states, automatically cleared on reset */
1532     uint8_t nmi_injected;
1533     uint8_t nmi_pending;
1534 
1535     uintptr_t retaddr;
1536 
1537     /* Fields up to this point are cleared by a CPU reset */
1538     struct {} end_reset_fields;
1539 
1540     /* Fields after this point are preserved across CPU reset. */
1541 
1542     /* processor features (e.g. for CPUID insn) */
1543     /* Minimum cpuid leaf 7 value */
1544     uint32_t cpuid_level_func7;
1545     /* Actual cpuid leaf 7 value */
1546     uint32_t cpuid_min_level_func7;
1547     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
1548     uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2;
1549     /* Maximum level/xlevel/xlevel2 value for auto-assignment: */
1550     uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2;
1551     /* Actual level/xlevel/xlevel2 value: */
1552     uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2;
1553     uint32_t cpuid_vendor1;
1554     uint32_t cpuid_vendor2;
1555     uint32_t cpuid_vendor3;
1556     uint32_t cpuid_version;
1557     FeatureWordArray features;
1558     /* Features that were explicitly enabled/disabled */
1559     FeatureWordArray user_features;
1560     uint32_t cpuid_model[12];
1561     /* Cache information for CPUID.  When legacy-cache=on, the cache data
1562      * on each CPUID leaf will be different, because we keep compatibility
1563      * with old QEMU versions.
1564      */
1565     CPUCaches cache_info_cpuid2, cache_info_cpuid4, cache_info_amd;
1566 
1567     /* MTRRs */
1568     uint64_t mtrr_fixed[11];
1569     uint64_t mtrr_deftype;
1570     MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
1571 
1572     /* For KVM */
1573     uint32_t mp_state;
1574     int32_t exception_nr;
1575     int32_t interrupt_injected;
1576     uint8_t soft_interrupt;
1577     uint8_t exception_pending;
1578     uint8_t exception_injected;
1579     uint8_t has_error_code;
1580     uint8_t exception_has_payload;
1581     uint64_t exception_payload;
1582     uint32_t ins_len;
1583     uint32_t sipi_vector;
1584     bool tsc_valid;
1585     int64_t tsc_khz;
1586     int64_t user_tsc_khz; /* for sanity check only */
1587 #if defined(CONFIG_KVM) || defined(CONFIG_HVF)
1588     void *xsave_buf;
1589 #endif
1590 #if defined(CONFIG_KVM)
1591     struct kvm_nested_state *nested_state;
1592 #endif
1593 #if defined(CONFIG_HVF)
1594     HVFX86EmulatorState *hvf_emul;
1595 #endif
1596 
1597     uint64_t mcg_cap;
1598     uint64_t mcg_ctl;
1599     uint64_t mcg_ext_ctl;
1600     uint64_t mce_banks[MCE_BANKS_DEF*4];
1601     uint64_t xstate_bv;
1602 
1603     /* vmstate */
1604     uint16_t fpus_vmstate;
1605     uint16_t fptag_vmstate;
1606     uint16_t fpregs_format_vmstate;
1607 
1608     uint64_t xss;
1609     uint32_t umwait;
1610 
1611     TPRAccess tpr_access_type;
1612 
1613     unsigned nr_dies;
1614     unsigned nr_nodes;
1615     unsigned pkg_offset;
1616 } CPUX86State;
1617 
1618 struct kvm_msrs;
1619 
1620 /**
1621  * X86CPU:
1622  * @env: #CPUX86State
1623  * @migratable: If set, only migratable flags will be accepted when "enforce"
1624  * mode is used, and only migratable flags will be included in the "host"
1625  * CPU model.
1626  *
1627  * An x86 CPU.
1628  */
1629 struct X86CPU {
1630     /*< private >*/
1631     CPUState parent_obj;
1632     /*< public >*/
1633 
1634     CPUNegativeOffsetState neg;
1635     CPUX86State env;
1636 
1637     uint64_t ucode_rev;
1638 
1639     uint32_t hyperv_spinlock_attempts;
1640     char *hyperv_vendor_id;
1641     bool hyperv_synic_kvm_only;
1642     uint64_t hyperv_features;
1643     bool hyperv_passthrough;
1644     OnOffAuto hyperv_no_nonarch_cs;
1645 
1646     bool check_cpuid;
1647     bool enforce_cpuid;
1648     /*
1649      * Force features to be enabled even if the host doesn't support them.
1650      * This is dangerous and should be done only for testing CPUID
1651      * compatibility.
1652      */
1653     bool force_features;
1654     bool expose_kvm;
1655     bool expose_tcg;
1656     bool migratable;
1657     bool migrate_smi_count;
1658     bool max_features; /* Enable all supported features automatically */
1659     uint32_t apic_id;
1660 
1661     /* Enables publishing of TSC increment and Local APIC bus frequencies to
1662      * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */
1663     bool vmware_cpuid_freq;
1664 
1665     /* if true the CPUID code directly forward host cache leaves to the guest */
1666     bool cache_info_passthrough;
1667 
1668     /* if true the CPUID code directly forwards
1669      * host monitor/mwait leaves to the guest */
1670     struct {
1671         uint32_t eax;
1672         uint32_t ebx;
1673         uint32_t ecx;
1674         uint32_t edx;
1675     } mwait;
1676 
1677     /* Features that were filtered out because of missing host capabilities */
1678     FeatureWordArray filtered_features;
1679 
1680     /* Enable PMU CPUID bits. This can't be enabled by default yet because
1681      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
1682      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
1683      * capabilities) directly to the guest.
1684      */
1685     bool enable_pmu;
1686 
1687     /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is
1688      * disabled by default to avoid breaking migration between QEMU with
1689      * different LMCE configurations.
1690      */
1691     bool enable_lmce;
1692 
1693     /* Compatibility bits for old machine types.
1694      * If true present virtual l3 cache for VM, the vcpus in the same virtual
1695      * socket share an virtual l3 cache.
1696      */
1697     bool enable_l3_cache;
1698 
1699     /* Compatibility bits for old machine types.
1700      * If true present the old cache topology information
1701      */
1702     bool legacy_cache;
1703 
1704     /* Compatibility bits for old machine types: */
1705     bool enable_cpuid_0xb;
1706 
1707     /* Enable auto level-increase for all CPUID leaves */
1708     bool full_cpuid_auto_level;
1709 
1710     /* Enable auto level-increase for Intel Processor Trace leave */
1711     bool intel_pt_auto_level;
1712 
1713     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
1714     bool fill_mtrr_mask;
1715 
1716     /* if true override the phys_bits value with a value read from the host */
1717     bool host_phys_bits;
1718 
1719     /* if set, limit maximum value for phys_bits when host_phys_bits is true */
1720     uint8_t host_phys_bits_limit;
1721 
1722     /* Stop SMI delivery for migration compatibility with old machines */
1723     bool kvm_no_smi_migration;
1724 
1725     /* Number of physical address bits supported */
1726     uint32_t phys_bits;
1727 
1728     /* in order to simplify APIC support, we leave this pointer to the
1729        user */
1730     struct DeviceState *apic_state;
1731     struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram;
1732     Notifier machine_done;
1733 
1734     struct kvm_msrs *kvm_msr_buf;
1735 
1736     int32_t node_id; /* NUMA node this CPU belongs to */
1737     int32_t socket_id;
1738     int32_t die_id;
1739     int32_t core_id;
1740     int32_t thread_id;
1741 
1742     int32_t hv_max_vps;
1743 };
1744 
1745 
1746 #ifndef CONFIG_USER_ONLY
1747 extern VMStateDescription vmstate_x86_cpu;
1748 #endif
1749 
1750 /**
1751  * x86_cpu_do_interrupt:
1752  * @cpu: vCPU the interrupt is to be handled by.
1753  */
1754 void x86_cpu_do_interrupt(CPUState *cpu);
1755 bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
1756 int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request);
1757 
1758 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
1759                              int cpuid, void *opaque);
1760 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
1761                              int cpuid, void *opaque);
1762 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1763                                  void *opaque);
1764 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
1765                                  void *opaque);
1766 
1767 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
1768                                 Error **errp);
1769 
1770 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags);
1771 
1772 hwaddr x86_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
1773                                          MemTxAttrs *attrs);
1774 
1775 int x86_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
1776 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
1777 
1778 void x86_cpu_exec_enter(CPUState *cpu);
1779 void x86_cpu_exec_exit(CPUState *cpu);
1780 
1781 void x86_cpu_list(void);
1782 int cpu_x86_support_mca_broadcast(CPUX86State *env);
1783 
1784 int cpu_get_pic_interrupt(CPUX86State *s);
1785 /* MSDOS compatibility mode FPU exception support */
1786 void x86_register_ferr_irq(qemu_irq irq);
1787 void cpu_set_ignne(void);
1788 /* mpx_helper.c */
1789 void cpu_sync_bndcs_hflags(CPUX86State *env);
1790 
1791 /* this function must always be used to load data in the segment
1792    cache: it synchronizes the hflags with the segment cache values */
1793 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
1794                                           int seg_reg, unsigned int selector,
1795                                           target_ulong base,
1796                                           unsigned int limit,
1797                                           unsigned int flags)
1798 {
1799     SegmentCache *sc;
1800     unsigned int new_hflags;
1801 
1802     sc = &env->segs[seg_reg];
1803     sc->selector = selector;
1804     sc->base = base;
1805     sc->limit = limit;
1806     sc->flags = flags;
1807 
1808     /* update the hidden flags */
1809     {
1810         if (seg_reg == R_CS) {
1811 #ifdef TARGET_X86_64
1812             if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
1813                 /* long mode */
1814                 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1815                 env->hflags &= ~(HF_ADDSEG_MASK);
1816             } else
1817 #endif
1818             {
1819                 /* legacy / compatibility case */
1820                 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1821                     >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1822                 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1823                     new_hflags;
1824             }
1825         }
1826         if (seg_reg == R_SS) {
1827             int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1828 #if HF_CPL_MASK != 3
1829 #error HF_CPL_MASK is hardcoded
1830 #endif
1831             env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1832             /* Possibly switch between BNDCFGS and BNDCFGU */
1833             cpu_sync_bndcs_hflags(env);
1834         }
1835         new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1836             >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1837         if (env->hflags & HF_CS64_MASK) {
1838             /* zero base assumed for DS, ES and SS in long mode */
1839         } else if (!(env->cr[0] & CR0_PE_MASK) ||
1840                    (env->eflags & VM_MASK) ||
1841                    !(env->hflags & HF_CS32_MASK)) {
1842             /* XXX: try to avoid this test. The problem comes from the
1843                fact that is real mode or vm86 mode we only modify the
1844                'base' and 'selector' fields of the segment cache to go
1845                faster. A solution may be to force addseg to one in
1846                translate-i386.c. */
1847             new_hflags |= HF_ADDSEG_MASK;
1848         } else {
1849             new_hflags |= ((env->segs[R_DS].base |
1850                             env->segs[R_ES].base |
1851                             env->segs[R_SS].base) != 0) <<
1852                 HF_ADDSEG_SHIFT;
1853         }
1854         env->hflags = (env->hflags &
1855                        ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1856     }
1857 }
1858 
1859 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1860                                                uint8_t sipi_vector)
1861 {
1862     CPUState *cs = CPU(cpu);
1863     CPUX86State *env = &cpu->env;
1864 
1865     env->eip = 0;
1866     cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1867                            sipi_vector << 12,
1868                            env->segs[R_CS].limit,
1869                            env->segs[R_CS].flags);
1870     cs->halted = 0;
1871 }
1872 
1873 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1874                             target_ulong *base, unsigned int *limit,
1875                             unsigned int *flags);
1876 
1877 /* op_helper.c */
1878 /* used for debug or cpu save/restore */
1879 
1880 /* cpu-exec.c */
1881 /* the following helpers are only usable in user mode simulation as
1882    they can trigger unexpected exceptions */
1883 void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
1884 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1885 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1886 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr);
1887 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr);
1888 
1889 /* you can call this signal handler from your SIGBUS and SIGSEGV
1890    signal handlers to inform the virtual CPU of exceptions. non zero
1891    is returned if the signal was handled by the virtual CPU.  */
1892 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1893                            void *puc);
1894 
1895 /* cpu.c */
1896 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1897                    uint32_t *eax, uint32_t *ebx,
1898                    uint32_t *ecx, uint32_t *edx);
1899 void cpu_clear_apic_feature(CPUX86State *env);
1900 void host_cpuid(uint32_t function, uint32_t count,
1901                 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1902 void host_vendor_fms(char *vendor, int *family, int *model, int *stepping);
1903 bool cpu_x86_use_epyc_apic_id_encoding(const char *cpu_type);
1904 
1905 /* helper.c */
1906 bool x86_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
1907                       MMUAccessType access_type, int mmu_idx,
1908                       bool probe, uintptr_t retaddr);
1909 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1910 
1911 #ifndef CONFIG_USER_ONLY
1912 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
1913 {
1914     return !!attrs.secure;
1915 }
1916 
1917 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
1918 {
1919     return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
1920 }
1921 
1922 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
1923 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
1924 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
1925 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
1926 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
1927 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
1928 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
1929 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
1930 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
1931 #endif
1932 
1933 void breakpoint_handler(CPUState *cs);
1934 
1935 /* will be suppressed */
1936 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1937 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1938 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1939 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7);
1940 
1941 /* hw/pc.c */
1942 uint64_t cpu_get_tsc(CPUX86State *env);
1943 
1944 /* XXX: This value should match the one returned by CPUID
1945  * and in exec.c */
1946 # if defined(TARGET_X86_64)
1947 # define TCG_PHYS_ADDR_BITS 40
1948 # else
1949 # define TCG_PHYS_ADDR_BITS 36
1950 # endif
1951 
1952 #define PHYS_ADDR_MASK MAKE_64BIT_MASK(0, TCG_PHYS_ADDR_BITS)
1953 
1954 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
1955 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
1956 #define CPU_RESOLVING_TYPE TYPE_X86_CPU
1957 
1958 #ifdef TARGET_X86_64
1959 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64")
1960 #else
1961 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32")
1962 #endif
1963 
1964 #define cpu_signal_handler cpu_x86_signal_handler
1965 #define cpu_list x86_cpu_list
1966 
1967 /* MMU modes definitions */
1968 #define MMU_KSMAP_IDX   0
1969 #define MMU_USER_IDX    1
1970 #define MMU_KNOSMAP_IDX 2
1971 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch)
1972 {
1973     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1974         (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
1975         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1976 }
1977 
1978 static inline int cpu_mmu_index_kernel(CPUX86State *env)
1979 {
1980     return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
1981         ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
1982         ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1983 }
1984 
1985 #define CC_DST  (env->cc_dst)
1986 #define CC_SRC  (env->cc_src)
1987 #define CC_SRC2 (env->cc_src2)
1988 #define CC_OP   (env->cc_op)
1989 
1990 /* n must be a constant to be efficient */
1991 static inline target_long lshift(target_long x, int n)
1992 {
1993     if (n >= 0) {
1994         return x << n;
1995     } else {
1996         return x >> (-n);
1997     }
1998 }
1999 
2000 /* float macros */
2001 #define FT0    (env->ft0)
2002 #define ST0    (env->fpregs[env->fpstt].d)
2003 #define ST(n)  (env->fpregs[(env->fpstt + (n)) & 7].d)
2004 #define ST1    ST(1)
2005 
2006 /* translate.c */
2007 void tcg_x86_init(void);
2008 
2009 typedef CPUX86State CPUArchState;
2010 typedef X86CPU ArchCPU;
2011 
2012 #include "exec/cpu-all.h"
2013 #include "svm.h"
2014 
2015 #if !defined(CONFIG_USER_ONLY)
2016 #include "hw/i386/apic.h"
2017 #endif
2018 
2019 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
2020                                         target_ulong *cs_base, uint32_t *flags)
2021 {
2022     *cs_base = env->segs[R_CS].base;
2023     *pc = *cs_base + env->eip;
2024     *flags = env->hflags |
2025         (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
2026 }
2027 
2028 void do_cpu_init(X86CPU *cpu);
2029 void do_cpu_sipi(X86CPU *cpu);
2030 
2031 #define MCE_INJECT_BROADCAST    1
2032 #define MCE_INJECT_UNCOND_AO    2
2033 
2034 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
2035                         uint64_t status, uint64_t mcg_status, uint64_t addr,
2036                         uint64_t misc, int flags);
2037 
2038 /* excp_helper.c */
2039 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
2040 void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_index,
2041                                       uintptr_t retaddr);
2042 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
2043                                        int error_code);
2044 void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_index,
2045                                           int error_code, uintptr_t retaddr);
2046 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
2047                                    int error_code, int next_eip_addend);
2048 
2049 /* cc_helper.c */
2050 extern const uint8_t parity_table[256];
2051 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
2052 
2053 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
2054 {
2055     uint32_t eflags = env->eflags;
2056     if (tcg_enabled()) {
2057         eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
2058     }
2059     return eflags;
2060 }
2061 
2062 /* NOTE: the translator must set DisasContext.cc_op to CC_OP_EFLAGS
2063  * after generating a call to a helper that uses this.
2064  */
2065 static inline void cpu_load_eflags(CPUX86State *env, int eflags,
2066                                    int update_mask)
2067 {
2068     CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
2069     CC_OP = CC_OP_EFLAGS;
2070     env->df = 1 - (2 * ((eflags >> 10) & 1));
2071     env->eflags = (env->eflags & ~update_mask) |
2072         (eflags & update_mask) | 0x2;
2073 }
2074 
2075 /* load efer and update the corresponding hflags. XXX: do consistency
2076    checks with cpuid bits? */
2077 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
2078 {
2079     env->efer = val;
2080     env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
2081     if (env->efer & MSR_EFER_LMA) {
2082         env->hflags |= HF_LMA_MASK;
2083     }
2084     if (env->efer & MSR_EFER_SVME) {
2085         env->hflags |= HF_SVME_MASK;
2086     }
2087 }
2088 
2089 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
2090 {
2091     return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
2092 }
2093 
2094 static inline int32_t x86_get_a20_mask(CPUX86State *env)
2095 {
2096     if (env->hflags & HF_SMM_MASK) {
2097         return -1;
2098     } else {
2099         return env->a20_mask;
2100     }
2101 }
2102 
2103 static inline bool cpu_has_vmx(CPUX86State *env)
2104 {
2105     return env->features[FEAT_1_ECX] & CPUID_EXT_VMX;
2106 }
2107 
2108 /*
2109  * In order for a vCPU to enter VMX operation it must have CR4.VMXE set.
2110  * Since it was set, CR4.VMXE must remain set as long as vCPU is in
2111  * VMX operation. This is because CR4.VMXE is one of the bits set
2112  * in MSR_IA32_VMX_CR4_FIXED1.
2113  *
2114  * There is one exception to above statement when vCPU enters SMM mode.
2115  * When a vCPU enters SMM mode, it temporarily exit VMX operation and
2116  * may also reset CR4.VMXE during execution in SMM mode.
2117  * When vCPU exits SMM mode, vCPU state is restored to be in VMX operation
2118  * and CR4.VMXE is restored to it's original value of being set.
2119  *
2120  * Therefore, when vCPU is not in SMM mode, we can infer whether
2121  * VMX is being used by examining CR4.VMXE. Otherwise, we cannot
2122  * know for certain.
2123  */
2124 static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
2125 {
2126     return cpu_has_vmx(env) &&
2127            ((env->cr[4] & CR4_VMXE_MASK) || (env->hflags & HF_SMM_MASK));
2128 }
2129 
2130 /* fpu_helper.c */
2131 void update_fp_status(CPUX86State *env);
2132 void update_mxcsr_status(CPUX86State *env);
2133 
2134 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
2135 {
2136     env->mxcsr = mxcsr;
2137     if (tcg_enabled()) {
2138         update_mxcsr_status(env);
2139     }
2140 }
2141 
2142 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
2143 {
2144      env->fpuc = fpuc;
2145      if (tcg_enabled()) {
2146         update_fp_status(env);
2147      }
2148 }
2149 
2150 /* mem_helper.c */
2151 void helper_lock_init(void);
2152 
2153 /* svm_helper.c */
2154 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
2155                                    uint64_t param, uintptr_t retaddr);
2156 void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code,
2157                               uint64_t exit_info_1, uintptr_t retaddr);
2158 void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1);
2159 
2160 /* seg_helper.c */
2161 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
2162 
2163 /* smm_helper.c */
2164 void do_smm_enter(X86CPU *cpu);
2165 
2166 /* apic.c */
2167 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
2168 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
2169                                    TPRAccess access);
2170 
2171 
2172 /* Change the value of a KVM-specific default
2173  *
2174  * If value is NULL, no default will be set and the original
2175  * value from the CPU model table will be kept.
2176  *
2177  * It is valid to call this function only for properties that
2178  * are already present in the kvm_default_props table.
2179  */
2180 void x86_cpu_change_kvm_default(const char *prop, const char *value);
2181 
2182 /* Special values for X86CPUVersion: */
2183 
2184 /* Resolve to latest CPU version */
2185 #define CPU_VERSION_LATEST -1
2186 
2187 /*
2188  * Resolve to version defined by current machine type.
2189  * See x86_cpu_set_default_version()
2190  */
2191 #define CPU_VERSION_AUTO   -2
2192 
2193 /* Don't resolve to any versioned CPU models, like old QEMU versions */
2194 #define CPU_VERSION_LEGACY  0
2195 
2196 typedef int X86CPUVersion;
2197 
2198 /*
2199  * Set default CPU model version for CPU models having
2200  * version == CPU_VERSION_AUTO.
2201  */
2202 void x86_cpu_set_default_version(X86CPUVersion version);
2203 
2204 /* Return name of 32-bit register, from a R_* constant */
2205 const char *get_register_name_32(unsigned int reg);
2206 
2207 void enable_compat_apic_id_mode(void);
2208 
2209 #define APIC_DEFAULT_ADDRESS 0xfee00000
2210 #define APIC_SPACE_SIZE      0x100000
2211 
2212 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags);
2213 
2214 /* cpu.c */
2215 bool cpu_is_bsp(X86CPU *cpu);
2216 
2217 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf);
2218 void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf);
2219 void x86_update_hflags(CPUX86State* env);
2220 
2221 static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat)
2222 {
2223     return !!(cpu->hyperv_features & BIT(feat));
2224 }
2225 
2226 #if defined(TARGET_X86_64) && \
2227     defined(CONFIG_USER_ONLY) && \
2228     defined(CONFIG_LINUX)
2229 # define TARGET_VSYSCALL_PAGE  (UINT64_C(-10) << 20)
2230 #endif
2231 
2232 #endif /* I386_CPU_H */
2233