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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 #ifndef CPU_I386_H
20 #define CPU_I386_H
21
22 #include "config.h"
23 #include "qemu-common.h"
24
25 #ifdef TARGET_X86_64
26 #define TARGET_LONG_BITS 64
27 #else
28 #define TARGET_LONG_BITS 32
29 #endif
30
31 /* target supports implicit self modifying code */
32 #define TARGET_HAS_SMC
33 /* support for self modifying code even if the modified instruction is
34 close to the modifying instruction */
35 #define TARGET_HAS_PRECISE_SMC
36
37 #define TARGET_HAS_ICE 1
38
39 #ifdef TARGET_X86_64
40 #define ELF_MACHINE EM_X86_64
41 #else
42 #define ELF_MACHINE EM_386
43 #endif
44
45 #define CPUArchState struct CPUX86State
46
47 #include "cpu-defs.h"
48
49 #include "softfloat.h"
50
51 #define R_EAX 0
52 #define R_ECX 1
53 #define R_EDX 2
54 #define R_EBX 3
55 #define R_ESP 4
56 #define R_EBP 5
57 #define R_ESI 6
58 #define R_EDI 7
59
60 #define R_AL 0
61 #define R_CL 1
62 #define R_DL 2
63 #define R_BL 3
64 #define R_AH 4
65 #define R_CH 5
66 #define R_DH 6
67 #define R_BH 7
68
69 #define R_ES 0
70 #define R_CS 1
71 #define R_SS 2
72 #define R_DS 3
73 #define R_FS 4
74 #define R_GS 5
75
76 /* segment descriptor fields */
77 #define DESC_G_MASK (1 << 23)
78 #define DESC_B_SHIFT 22
79 #define DESC_B_MASK (1 << DESC_B_SHIFT)
80 #define DESC_L_SHIFT 21 /* x86_64 only : 64 bit code segment */
81 #define DESC_L_MASK (1 << DESC_L_SHIFT)
82 #define DESC_AVL_MASK (1 << 20)
83 #define DESC_P_MASK (1 << 15)
84 #define DESC_DPL_SHIFT 13
85 #define DESC_DPL_MASK (3 << DESC_DPL_SHIFT)
86 #define DESC_S_MASK (1 << 12)
87 #define DESC_TYPE_SHIFT 8
88 #define DESC_TYPE_MASK (15 << DESC_TYPE_SHIFT)
89 #define DESC_A_MASK (1 << 8)
90
91 #define DESC_CS_MASK (1 << 11) /* 1=code segment 0=data segment */
92 #define DESC_C_MASK (1 << 10) /* code: conforming */
93 #define DESC_R_MASK (1 << 9) /* code: readable */
94
95 #define DESC_E_MASK (1 << 10) /* data: expansion direction */
96 #define DESC_W_MASK (1 << 9) /* data: writable */
97
98 #define DESC_TSS_BUSY_MASK (1 << 9)
99
100 /* eflags masks */
101 #define CC_C 0x0001
102 #define CC_P 0x0004
103 #define CC_A 0x0010
104 #define CC_Z 0x0040
105 #define CC_S 0x0080
106 #define CC_O 0x0800
107
108 #define TF_SHIFT 8
109 #define IOPL_SHIFT 12
110 #define VM_SHIFT 17
111
112 #define TF_MASK 0x00000100
113 #define IF_MASK 0x00000200
114 #define DF_MASK 0x00000400
115 #define IOPL_MASK 0x00003000
116 #define NT_MASK 0x00004000
117 #define RF_MASK 0x00010000
118 #define VM_MASK 0x00020000
119 #define AC_MASK 0x00040000
120 #define VIF_MASK 0x00080000
121 #define VIP_MASK 0x00100000
122 #define ID_MASK 0x00200000
123
124 /* hidden flags - used internally by qemu to represent additional cpu
125 states. Only the CPL, INHIBIT_IRQ, SMM and SVMI are not
126 redundant. We avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK
127 bit positions to ease oring with eflags. */
128 /* current cpl */
129 #define HF_CPL_SHIFT 0
130 /* true if soft mmu is being used */
131 #define HF_SOFTMMU_SHIFT 2
132 /* true if hardware interrupts must be disabled for next instruction */
133 #define HF_INHIBIT_IRQ_SHIFT 3
134 /* 16 or 32 segments */
135 #define HF_CS32_SHIFT 4
136 #define HF_SS32_SHIFT 5
137 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
138 #define HF_ADDSEG_SHIFT 6
139 /* copy of CR0.PE (protected mode) */
140 #define HF_PE_SHIFT 7
141 #define HF_TF_SHIFT 8 /* must be same as eflags */
142 #define HF_MP_SHIFT 9 /* the order must be MP, EM, TS */
143 #define HF_EM_SHIFT 10
144 #define HF_TS_SHIFT 11
145 #define HF_IOPL_SHIFT 12 /* must be same as eflags */
146 #define HF_LMA_SHIFT 14 /* only used on x86_64: long mode active */
147 #define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */
148 #define HF_RF_SHIFT 16 /* must be same as eflags */
149 #define HF_VM_SHIFT 17 /* must be same as eflags */
150 #define HF_AC_SHIFT 18 /* must be same as eflags */
151 #define HF_SMM_SHIFT 19 /* CPU in SMM mode */
152 #define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */
153 #define HF_SVMI_SHIFT 21 /* SVM intercepts are active */
154 #define HF_OSFXSR_SHIFT 22 /* CR4.OSFXSR */
155 #define HF_SMAP_SHIFT 23 /* CR4.SMAP */
156
157 #define HF_CPL_MASK (3 << HF_CPL_SHIFT)
158 #define HF_SOFTMMU_MASK (1 << HF_SOFTMMU_SHIFT)
159 #define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT)
160 #define HF_CS32_MASK (1 << HF_CS32_SHIFT)
161 #define HF_SS32_MASK (1 << HF_SS32_SHIFT)
162 #define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT)
163 #define HF_PE_MASK (1 << HF_PE_SHIFT)
164 #define HF_TF_MASK (1 << HF_TF_SHIFT)
165 #define HF_MP_MASK (1 << HF_MP_SHIFT)
166 #define HF_EM_MASK (1 << HF_EM_SHIFT)
167 #define HF_TS_MASK (1 << HF_TS_SHIFT)
168 #define HF_IOPL_MASK (3 << HF_IOPL_SHIFT)
169 #define HF_LMA_MASK (1 << HF_LMA_SHIFT)
170 #define HF_CS64_MASK (1 << HF_CS64_SHIFT)
171 #define HF_RF_MASK (1 << HF_RF_SHIFT)
172 #define HF_VM_MASK (1 << HF_VM_SHIFT)
173 #define HF_AC_MASK (1 << HF_AC_SHIFT)
174 #define HF_SMM_MASK (1 << HF_SMM_SHIFT)
175 #define HF_SVME_MASK (1 << HF_SVME_SHIFT)
176 #define HF_SVMI_MASK (1 << HF_SVMI_SHIFT)
177 #define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT)
178 #define HF_SMAP_MASK (1 << HF_SMAP_SHIFT)
179
180 /* hflags2 */
181
182 #define HF2_GIF_SHIFT 0 /* if set CPU takes interrupts */
183 #define HF2_HIF_SHIFT 1 /* value of IF_MASK when entering SVM */
184 #define HF2_NMI_SHIFT 2 /* CPU serving NMI */
185 #define HF2_VINTR_SHIFT 3 /* value of V_INTR_MASKING bit */
186
187 #define HF2_GIF_MASK (1 << HF2_GIF_SHIFT)
188 #define HF2_HIF_MASK (1 << HF2_HIF_SHIFT)
189 #define HF2_NMI_MASK (1 << HF2_NMI_SHIFT)
190 #define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT)
191
192 #define CR0_PE_SHIFT 0
193 #define CR0_MP_SHIFT 1
194
195 #define CR0_PE_MASK (1 << 0)
196 #define CR0_MP_MASK (1 << 1)
197 #define CR0_EM_MASK (1 << 2)
198 #define CR0_TS_MASK (1 << 3)
199 #define CR0_ET_MASK (1 << 4)
200 #define CR0_NE_MASK (1 << 5)
201 #define CR0_WP_MASK (1 << 16)
202 #define CR0_AM_MASK (1 << 18)
203 #define CR0_PG_MASK (1 << 31)
204
205 #define CR4_VME_MASK (1 << 0)
206 #define CR4_PVI_MASK (1 << 1)
207 #define CR4_TSD_MASK (1 << 2)
208 #define CR4_DE_MASK (1 << 3)
209 #define CR4_PSE_MASK (1 << 4)
210 #define CR4_PAE_MASK (1 << 5)
211 #define CR4_MCE_MASK (1 << 6)
212 #define CR4_PGE_MASK (1 << 7)
213 #define CR4_PCE_MASK (1 << 8)
214 #define CR4_OSFXSR_SHIFT 9
215 #define CR4_OSFXSR_MASK (1 << CR4_OSFXSR_SHIFT)
216 #define CR4_OSXMMEXCPT_MASK (1 << 10)
217 #define CR4_VMXE_MASK (1 << 13)
218 #define CR4_SMXE_MASK (1 << 14)
219 #define CR4_FSGSBASE_MASK (1 << 16)
220 #define CR4_PCIDE_MASK (1 << 17)
221 #define CR4_OSXSAVE_MASK (1 << 18)
222 #define CR4_SMEP_MASK (1 << 20)
223 #define CR4_SMAP_MASK (1 << 21)
224
225 #define DR6_BD (1 << 13)
226 #define DR6_BS (1 << 14)
227 #define DR6_BT (1 << 15)
228 #define DR6_FIXED_1 0xffff0ff0
229
230 #define DR7_GD (1 << 13)
231 #define DR7_TYPE_SHIFT 16
232 #define DR7_LEN_SHIFT 18
233 #define DR7_FIXED_1 0x00000400
234
235 #define PG_PRESENT_BIT 0
236 #define PG_RW_BIT 1
237 #define PG_USER_BIT 2
238 #define PG_PWT_BIT 3
239 #define PG_PCD_BIT 4
240 #define PG_ACCESSED_BIT 5
241 #define PG_DIRTY_BIT 6
242 #define PG_PSE_BIT 7
243 #define PG_GLOBAL_BIT 8
244 #define PG_NX_BIT 63
245
246 #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT)
247 #define PG_RW_MASK (1 << PG_RW_BIT)
248 #define PG_USER_MASK (1 << PG_USER_BIT)
249 #define PG_PWT_MASK (1 << PG_PWT_BIT)
250 #define PG_PCD_MASK (1 << PG_PCD_BIT)
251 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
252 #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT)
253 #define PG_PSE_MASK (1 << PG_PSE_BIT)
254 #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT)
255 #define PG_HI_USER_MASK 0x7ff0000000000000LL
256 #define PG_NX_MASK (1LL << PG_NX_BIT)
257
258 #define PG_ERROR_W_BIT 1
259
260 #define PG_ERROR_P_MASK 0x01
261 #define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT)
262 #define PG_ERROR_U_MASK 0x04
263 #define PG_ERROR_RSVD_MASK 0x08
264 #define PG_ERROR_I_D_MASK 0x10
265
266 #define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */
267 #define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */
268
269 #define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P)
270 #define MCE_BANKS_DEF 10
271
272 #define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */
273 #define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */
274 #define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */
275
276 #define MCI_STATUS_VAL (1ULL<<63) /* valid error */
277 #define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */
278 #define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */
279 #define MCI_STATUS_EN (1ULL<<60) /* error enabled */
280 #define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */
281 #define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */
282 #define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */
283 #define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */
284 #define MCI_STATUS_AR (1ULL<<55) /* Action required */
285
286 /* MISC register defines */
287 #define MCM_ADDR_SEGOFF 0 /* segment offset */
288 #define MCM_ADDR_LINEAR 1 /* linear address */
289 #define MCM_ADDR_PHYS 2 /* physical address */
290 #define MCM_ADDR_MEM 3 /* memory address */
291 #define MCM_ADDR_GENERIC 7 /* generic */
292
293 #define MSR_IA32_TSC 0x10
294 #define MSR_IA32_APICBASE 0x1b
295 #define MSR_IA32_APICBASE_BSP (1<<8)
296 #define MSR_IA32_APICBASE_ENABLE (1<<11)
297 #define MSR_IA32_APICBASE_BASE (0xfffff<<12)
298 #define MSR_IA32_TSCDEADLINE 0x6e0
299
300 #define MSR_MTRRcap 0xfe
301 #define MSR_MTRRcap_VCNT 8
302 #define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8)
303 #define MSR_MTRRcap_WC_SUPPORTED (1 << 10)
304
305 #define MSR_IA32_SYSENTER_CS 0x174
306 #define MSR_IA32_SYSENTER_ESP 0x175
307 #define MSR_IA32_SYSENTER_EIP 0x176
308
309 #define MSR_MCG_CAP 0x179
310 #define MSR_MCG_STATUS 0x17a
311 #define MSR_MCG_CTL 0x17b
312
313 #define MSR_IA32_PERF_STATUS 0x198
314
315 #define MSR_IA32_MISC_ENABLE 0x1a0
316 /* Indicates good rep/movs microcode on some processors: */
317 #define MSR_IA32_MISC_ENABLE_DEFAULT 1
318
319 #define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg))
320 #define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1)
321
322 #define MSR_MTRRfix64K_00000 0x250
323 #define MSR_MTRRfix16K_80000 0x258
324 #define MSR_MTRRfix16K_A0000 0x259
325 #define MSR_MTRRfix4K_C0000 0x268
326 #define MSR_MTRRfix4K_C8000 0x269
327 #define MSR_MTRRfix4K_D0000 0x26a
328 #define MSR_MTRRfix4K_D8000 0x26b
329 #define MSR_MTRRfix4K_E0000 0x26c
330 #define MSR_MTRRfix4K_E8000 0x26d
331 #define MSR_MTRRfix4K_F0000 0x26e
332 #define MSR_MTRRfix4K_F8000 0x26f
333
334 #define MSR_PAT 0x277
335
336 #define MSR_MTRRdefType 0x2ff
337
338 #define MSR_MC0_CTL 0x400
339 #define MSR_MC0_STATUS 0x401
340 #define MSR_MC0_ADDR 0x402
341 #define MSR_MC0_MISC 0x403
342
343 #define MSR_EFER 0xc0000080
344
345 #define MSR_EFER_SCE (1 << 0)
346 #define MSR_EFER_LME (1 << 8)
347 #define MSR_EFER_LMA (1 << 10)
348 #define MSR_EFER_NXE (1 << 11)
349 #define MSR_EFER_SVME (1 << 12)
350 #define MSR_EFER_FFXSR (1 << 14)
351
352 #define MSR_STAR 0xc0000081
353 #define MSR_LSTAR 0xc0000082
354 #define MSR_CSTAR 0xc0000083
355 #define MSR_FMASK 0xc0000084
356 #define MSR_FSBASE 0xc0000100
357 #define MSR_GSBASE 0xc0000101
358 #define MSR_KERNELGSBASE 0xc0000102
359 #define MSR_TSC_AUX 0xc0000103
360
361 #define MSR_VM_HSAVE_PA 0xc0010117
362
363 /* cpuid_features bits */
364 #define CPUID_FP87 (1 << 0)
365 #define CPUID_VME (1 << 1)
366 #define CPUID_DE (1 << 2)
367 #define CPUID_PSE (1 << 3)
368 #define CPUID_TSC (1 << 4)
369 #define CPUID_MSR (1 << 5)
370 #define CPUID_PAE (1 << 6)
371 #define CPUID_MCE (1 << 7)
372 #define CPUID_CX8 (1 << 8)
373 #define CPUID_APIC (1 << 9)
374 #define CPUID_SEP (1 << 11) /* sysenter/sysexit */
375 #define CPUID_MTRR (1 << 12)
376 #define CPUID_PGE (1 << 13)
377 #define CPUID_MCA (1 << 14)
378 #define CPUID_CMOV (1 << 15)
379 #define CPUID_PAT (1 << 16)
380 #define CPUID_PSE36 (1 << 17)
381 #define CPUID_PN (1 << 18)
382 #define CPUID_CLFLUSH (1 << 19)
383 #define CPUID_DTS (1 << 21)
384 #define CPUID_ACPI (1 << 22)
385 #define CPUID_MMX (1 << 23)
386 #define CPUID_FXSR (1 << 24)
387 #define CPUID_SSE (1 << 25)
388 #define CPUID_SSE2 (1 << 26)
389 #define CPUID_SS (1 << 27)
390 #define CPUID_HT (1 << 28)
391 #define CPUID_TM (1 << 29)
392 #define CPUID_IA64 (1 << 30)
393 #define CPUID_PBE (1 << 31)
394
395 #define CPUID_EXT_SSE3 (1 << 0)
396 #define CPUID_EXT_PCLMULQDQ (1 << 1)
397 #define CPUID_EXT_DTES64 (1 << 2)
398 #define CPUID_EXT_MONITOR (1 << 3)
399 #define CPUID_EXT_DSCPL (1 << 4)
400 #define CPUID_EXT_VMX (1 << 5)
401 #define CPUID_EXT_SMX (1 << 6)
402 #define CPUID_EXT_EST (1 << 7)
403 #define CPUID_EXT_TM2 (1 << 8)
404 #define CPUID_EXT_SSSE3 (1 << 9)
405 #define CPUID_EXT_CID (1 << 10)
406 #define CPUID_EXT_FMA (1 << 12)
407 #define CPUID_EXT_CX16 (1 << 13)
408 #define CPUID_EXT_XTPR (1 << 14)
409 #define CPUID_EXT_PDCM (1 << 15)
410 #define CPUID_EXT_PCID (1 << 17)
411 #define CPUID_EXT_DCA (1 << 18)
412 #define CPUID_EXT_SSE41 (1 << 19)
413 #define CPUID_EXT_SSE42 (1 << 20)
414 #define CPUID_EXT_X2APIC (1 << 21)
415 #define CPUID_EXT_MOVBE (1 << 22)
416 #define CPUID_EXT_POPCNT (1 << 23)
417 #define CPUID_EXT_TSC_DEADLINE_TIMER (1 << 24)
418 #define CPUID_EXT_AES (1 << 25)
419 #define CPUID_EXT_XSAVE (1 << 26)
420 #define CPUID_EXT_OSXSAVE (1 << 27)
421 #define CPUID_EXT_AVX (1 << 28)
422 #define CPUID_EXT_F16C (1 << 29)
423 #define CPUID_EXT_RDRAND (1 << 30)
424 #define CPUID_EXT_HYPERVISOR (1 << 31)
425
426 #define CPUID_EXT2_FPU (1 << 0)
427 #define CPUID_EXT2_VME (1 << 1)
428 #define CPUID_EXT2_DE (1 << 2)
429 #define CPUID_EXT2_PSE (1 << 3)
430 #define CPUID_EXT2_TSC (1 << 4)
431 #define CPUID_EXT2_MSR (1 << 5)
432 #define CPUID_EXT2_PAE (1 << 6)
433 #define CPUID_EXT2_MCE (1 << 7)
434 #define CPUID_EXT2_CX8 (1 << 8)
435 #define CPUID_EXT2_APIC (1 << 9)
436 #define CPUID_EXT2_SYSCALL (1 << 11)
437 #define CPUID_EXT2_MTRR (1 << 12)
438 #define CPUID_EXT2_PGE (1 << 13)
439 #define CPUID_EXT2_MCA (1 << 14)
440 #define CPUID_EXT2_CMOV (1 << 15)
441 #define CPUID_EXT2_PAT (1 << 16)
442 #define CPUID_EXT2_PSE36 (1 << 17)
443 #define CPUID_EXT2_MP (1 << 19)
444 #define CPUID_EXT2_NX (1 << 20)
445 #define CPUID_EXT2_MMXEXT (1 << 22)
446 #define CPUID_EXT2_MMX (1 << 23)
447 #define CPUID_EXT2_FXSR (1 << 24)
448 #define CPUID_EXT2_FFXSR (1 << 25)
449 #define CPUID_EXT2_PDPE1GB (1 << 26)
450 #define CPUID_EXT2_RDTSCP (1 << 27)
451 #define CPUID_EXT2_LM (1 << 29)
452 #define CPUID_EXT2_3DNOWEXT (1 << 30)
453 #define CPUID_EXT2_3DNOW (1 << 31)
454
455 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
456 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
457 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
458 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
459 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
460 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
461 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
462 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
463 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
464 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
465
466 #define CPUID_EXT3_LAHF_LM (1 << 0)
467 #define CPUID_EXT3_CMP_LEG (1 << 1)
468 #define CPUID_EXT3_SVM (1 << 2)
469 #define CPUID_EXT3_EXTAPIC (1 << 3)
470 #define CPUID_EXT3_CR8LEG (1 << 4)
471 #define CPUID_EXT3_ABM (1 << 5)
472 #define CPUID_EXT3_SSE4A (1 << 6)
473 #define CPUID_EXT3_MISALIGNSSE (1 << 7)
474 #define CPUID_EXT3_3DNOWPREFETCH (1 << 8)
475 #define CPUID_EXT3_OSVW (1 << 9)
476 #define CPUID_EXT3_IBS (1 << 10)
477 #define CPUID_EXT3_XOP (1 << 11)
478 #define CPUID_EXT3_SKINIT (1 << 12)
479 #define CPUID_EXT3_WDT (1 << 13)
480 #define CPUID_EXT3_LWP (1 << 15)
481 #define CPUID_EXT3_FMA4 (1 << 16)
482 #define CPUID_EXT3_TCE (1 << 17)
483 #define CPUID_EXT3_NODEID (1 << 19)
484 #define CPUID_EXT3_TBM (1 << 21)
485 #define CPUID_EXT3_TOPOEXT (1 << 22)
486 #define CPUID_EXT3_PERFCORE (1 << 23)
487 #define CPUID_EXT3_PERFNB (1 << 24)
488
489 #define CPUID_SVM_NPT (1 << 0)
490 #define CPUID_SVM_LBRV (1 << 1)
491 #define CPUID_SVM_SVMLOCK (1 << 2)
492 #define CPUID_SVM_NRIPSAVE (1 << 3)
493 #define CPUID_SVM_TSCSCALE (1 << 4)
494 #define CPUID_SVM_VMCBCLEAN (1 << 5)
495 #define CPUID_SVM_FLUSHASID (1 << 6)
496 #define CPUID_SVM_DECODEASSIST (1 << 7)
497 #define CPUID_SVM_PAUSEFILTER (1 << 10)
498 #define CPUID_SVM_PFTHRESHOLD (1 << 12)
499
500 #define CPUID_7_0_EBX_FSGSBASE (1 << 0)
501 #define CPUID_7_0_EBX_BMI1 (1 << 3)
502 #define CPUID_7_0_EBX_HLE (1 << 4)
503 #define CPUID_7_0_EBX_AVX2 (1 << 5)
504 #define CPUID_7_0_EBX_SMEP (1 << 7)
505 #define CPUID_7_0_EBX_BMI2 (1 << 8)
506 #define CPUID_7_0_EBX_ERMS (1 << 9)
507 #define CPUID_7_0_EBX_INVPCID (1 << 10)
508 #define CPUID_7_0_EBX_RTM (1 << 11)
509 #define CPUID_7_0_EBX_RDSEED (1 << 18)
510 #define CPUID_7_0_EBX_ADX (1 << 19)
511 #define CPUID_7_0_EBX_SMAP (1 << 20)
512
513 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
514 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
515 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
516
517 #define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */
518 #define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */
519 #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */
520
521 #define CPUID_VENDOR_VIA_1 0x746e6543 /* "Cent" */
522 #define CPUID_VENDOR_VIA_2 0x48727561 /* "aurH" */
523 #define CPUID_VENDOR_VIA_3 0x736c7561 /* "auls" */
524
525 #define CPUID_MWAIT_IBE (1 << 1) /* Interrupts can exit capability */
526 #define CPUID_MWAIT_EMX (1 << 0) /* enumeration supported */
527
528 #define EXCP00_DIVZ 0
529 #define EXCP01_DB 1
530 #define EXCP02_NMI 2
531 #define EXCP03_INT3 3
532 #define EXCP04_INTO 4
533 #define EXCP05_BOUND 5
534 #define EXCP06_ILLOP 6
535 #define EXCP07_PREX 7
536 #define EXCP08_DBLE 8
537 #define EXCP09_XERR 9
538 #define EXCP0A_TSS 10
539 #define EXCP0B_NOSEG 11
540 #define EXCP0C_STACK 12
541 #define EXCP0D_GPF 13
542 #define EXCP0E_PAGE 14
543 #define EXCP10_COPR 16
544 #define EXCP11_ALGN 17
545 #define EXCP12_MCHK 18
546
547 #define EXCP_SYSCALL 0x100 /* only happens in user only emulation
548 for syscall instruction */
549
550 /* i386-specific interrupt pending bits. */
551 #define CPU_INTERRUPT_POLL CPU_INTERRUPT_TGT_EXT_1
552 #define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2
553 #define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3
554 #define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4
555 #define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0
556 #define CPU_INTERRUPT_INIT CPU_INTERRUPT_TGT_INT_1
557 #define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_2
558 #define CPU_INTERRUPT_TPR CPU_INTERRUPT_TGT_INT_3
559
560
561 enum {
562 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
563 CC_OP_EFLAGS, /* all cc are explicitly computed, CC_SRC = flags */
564
565 CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
566 CC_OP_MULW,
567 CC_OP_MULL,
568 CC_OP_MULQ,
569
570 CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
571 CC_OP_ADDW,
572 CC_OP_ADDL,
573 CC_OP_ADDQ,
574
575 CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
576 CC_OP_ADCW,
577 CC_OP_ADCL,
578 CC_OP_ADCQ,
579
580 CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
581 CC_OP_SUBW,
582 CC_OP_SUBL,
583 CC_OP_SUBQ,
584
585 CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
586 CC_OP_SBBW,
587 CC_OP_SBBL,
588 CC_OP_SBBQ,
589
590 CC_OP_LOGICB, /* modify all flags, CC_DST = res */
591 CC_OP_LOGICW,
592 CC_OP_LOGICL,
593 CC_OP_LOGICQ,
594
595 CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
596 CC_OP_INCW,
597 CC_OP_INCL,
598 CC_OP_INCQ,
599
600 CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */
601 CC_OP_DECW,
602 CC_OP_DECL,
603 CC_OP_DECQ,
604
605 CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
606 CC_OP_SHLW,
607 CC_OP_SHLL,
608 CC_OP_SHLQ,
609
610 CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
611 CC_OP_SARW,
612 CC_OP_SARL,
613 CC_OP_SARQ,
614
615 CC_OP_NB,
616 };
617
618 typedef struct SegmentCache {
619 uint32_t selector;
620 target_ulong base;
621 uint32_t limit;
622 uint32_t flags;
623 } SegmentCache;
624
625 typedef union {
626 uint8_t _b[16];
627 uint16_t _w[8];
628 uint32_t _l[4];
629 uint64_t _q[2];
630 float32 _s[4];
631 float64 _d[2];
632 } XMMReg;
633
634 typedef union {
635 uint8_t _b[8];
636 uint16_t _w[4];
637 uint32_t _l[2];
638 float32 _s[2];
639 uint64_t q;
640 } MMXReg;
641
642 #ifdef HOST_WORDS_BIGENDIAN
643 #define XMM_B(n) _b[15 - (n)]
644 #define XMM_W(n) _w[7 - (n)]
645 #define XMM_L(n) _l[3 - (n)]
646 #define XMM_S(n) _s[3 - (n)]
647 #define XMM_Q(n) _q[1 - (n)]
648 #define XMM_D(n) _d[1 - (n)]
649
650 #define MMX_B(n) _b[7 - (n)]
651 #define MMX_W(n) _w[3 - (n)]
652 #define MMX_L(n) _l[1 - (n)]
653 #define MMX_S(n) _s[1 - (n)]
654 #else
655 #define XMM_B(n) _b[n]
656 #define XMM_W(n) _w[n]
657 #define XMM_L(n) _l[n]
658 #define XMM_S(n) _s[n]
659 #define XMM_Q(n) _q[n]
660 #define XMM_D(n) _d[n]
661
662 #define MMX_B(n) _b[n]
663 #define MMX_W(n) _w[n]
664 #define MMX_L(n) _l[n]
665 #define MMX_S(n) _s[n]
666 #endif
667 #define MMX_Q(n) q
668
669 typedef union {
670 floatx80 d __attribute__((aligned(16)));
671 MMXReg mmx;
672 } FPReg;
673
674 typedef struct {
675 uint64_t base;
676 uint64_t mask;
677 } MTRRVar;
678
679 #define CPU_NB_REGS64 16
680 #define CPU_NB_REGS32 8
681
682 #ifdef TARGET_X86_64
683 #define CPU_NB_REGS CPU_NB_REGS64
684 #else
685 #define CPU_NB_REGS CPU_NB_REGS32
686 #endif
687
688 #define NB_MMU_MODES 3
689
690 typedef enum TPRAccess {
691 TPR_ACCESS_READ,
692 TPR_ACCESS_WRITE,
693 } TPRAccess;
694
695 typedef struct CPUX86State {
696 /* standard registers */
697 target_ulong regs[CPU_NB_REGS];
698 target_ulong eip;
699 target_ulong eflags; /* eflags register. During CPU emulation, CC
700 flags and DF are set to zero because they are
701 stored elsewhere */
702
703 /* emulator internal eflags handling */
704 target_ulong cc_src;
705 target_ulong cc_dst;
706 uint32_t cc_op;
707 int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
708 uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
709 are known at translation time. */
710 uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
711
712 /* segments */
713 SegmentCache segs[6]; /* selector values */
714 SegmentCache ldt;
715 SegmentCache tr;
716 SegmentCache gdt; /* only base and limit are used */
717 SegmentCache idt; /* only base and limit are used */
718
719 target_ulong cr[5]; /* NOTE: cr1 is unused */
720 int32_t a20_mask;
721
722 /* FPU state */
723 unsigned int fpstt; /* top of stack index */
724 uint16_t fpus;
725 uint16_t fpuc;
726 uint8_t fptags[8]; /* 0 = valid, 1 = empty */
727 FPReg fpregs[8];
728 /* KVM-only so far */
729 uint16_t fpop;
730 uint64_t fpip;
731 uint64_t fpdp;
732
733 /* emulator internal variables */
734 float_status fp_status;
735 floatx80 ft0;
736
737 float_status mmx_status; /* for 3DNow! float ops */
738 float_status sse_status;
739 uint32_t mxcsr;
740 XMMReg xmm_regs[CPU_NB_REGS];
741 XMMReg xmm_t0;
742 MMXReg mmx_t0;
743 target_ulong cc_tmp; /* temporary for rcr/rcl */
744
745 /* sysenter registers */
746 uint32_t sysenter_cs;
747 target_ulong sysenter_esp;
748 target_ulong sysenter_eip;
749 uint64_t efer;
750 uint64_t star;
751
752 uint64_t vm_hsave;
753 uint64_t vm_vmcb;
754 uint64_t tsc_offset;
755 uint64_t intercept;
756 uint16_t intercept_cr_read;
757 uint16_t intercept_cr_write;
758 uint16_t intercept_dr_read;
759 uint16_t intercept_dr_write;
760 uint32_t intercept_exceptions;
761 uint8_t v_tpr;
762
763 #ifdef TARGET_X86_64
764 target_ulong lstar;
765 target_ulong cstar;
766 target_ulong fmask;
767 target_ulong kernelgsbase;
768 #endif
769 uint64_t system_time_msr;
770 uint64_t wall_clock_msr;
771 uint64_t async_pf_en_msr;
772 uint64_t pv_eoi_en_msr;
773
774 uint64_t tsc;
775 uint64_t tsc_deadline;
776
777 uint64_t mcg_status;
778 uint64_t msr_ia32_misc_enable;
779
780 /* exception/interrupt handling */
781 int error_code;
782 int exception_is_int;
783 target_ulong exception_next_eip;
784 target_ulong dr[8]; /* debug registers */
785 union {
786 CPUBreakpoint *cpu_breakpoint[4];
787 CPUWatchpoint *cpu_watchpoint[4];
788 }; /* break/watchpoints for dr[0..3] */
789 uint32_t smbase;
790 int old_exception; /* exception in flight */
791
792 /* KVM states, automatically cleared on reset */
793 uint8_t nmi_injected;
794 uint8_t nmi_pending;
795
796 CPU_COMMON
797
798 uint64_t pat;
799
800 /* processor features (e.g. for CPUID insn) */
801 uint32_t cpuid_level;
802 uint32_t cpuid_vendor1;
803 uint32_t cpuid_vendor2;
804 uint32_t cpuid_vendor3;
805 uint32_t cpuid_version;
806 uint32_t cpuid_features;
807 uint32_t cpuid_ext_features;
808 uint32_t cpuid_xlevel;
809 uint32_t cpuid_model[12];
810 uint32_t cpuid_ext2_features;
811 uint32_t cpuid_ext3_features;
812 uint32_t cpuid_apic_id;
813 int cpuid_vendor_override;
814 /* Store the results of Centaur's CPUID instructions */
815 uint32_t cpuid_xlevel2;
816 uint32_t cpuid_ext4_features;
817 /* Flags from CPUID[EAX=7,ECX=0].EBX */
818 uint32_t cpuid_7_0_ebx_features;
819
820 /* MTRRs */
821 uint64_t mtrr_fixed[11];
822 uint64_t mtrr_deftype;
823 MTRRVar mtrr_var[8];
824
825 /* For KVM */
826 uint32_t mp_state;
827 int32_t exception_injected;
828 int32_t interrupt_injected;
829 uint8_t soft_interrupt;
830 uint8_t has_error_code;
831 uint32_t sipi_vector;
832 uint32_t cpuid_kvm_features;
833 uint32_t cpuid_svm_features;
834 bool tsc_valid;
835 int tsc_khz;
836 void *kvm_xsave_buf;
837
838 /* in order to simplify APIC support, we leave this pointer to the
839 user */
840 struct DeviceState *apic_state;
841
842 uint64_t mcg_cap;
843 uint64_t mcg_ctl;
844 uint64_t mce_banks[MCE_BANKS_DEF*4];
845
846 uint64_t tsc_aux;
847
848 /* vmstate */
849 uint16_t fpus_vmstate;
850 uint16_t fptag_vmstate;
851 uint16_t fpregs_format_vmstate;
852
853 uint64_t xstate_bv;
854 XMMReg ymmh_regs[CPU_NB_REGS];
855
856 uint64_t xcr0;
857
858 TPRAccess tpr_access_type;
859 } CPUX86State;
860
861 #include "cpu-qom.h"
862
863 X86CPU *cpu_x86_init(const char *cpu_model);
864 int cpu_x86_exec(CPUX86State *s);
865 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf);
866 void x86_cpudef_setup(void);
867 int cpu_x86_support_mca_broadcast(CPUX86State *env);
868
869 int cpu_get_pic_interrupt(CPUX86State *s);
870 /* MSDOS compatibility mode FPU exception support */
871 void cpu_set_ferr(CPUX86State *s);
872
873 /* this function must always be used to load data in the segment
874 cache: it synchronizes the hflags with the segment cache values */
875 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
876 int seg_reg, unsigned int selector,
877 target_ulong base,
878 unsigned int limit,
879 unsigned int flags)
880 {
881 SegmentCache *sc;
882 unsigned int new_hflags;
883
884 sc = &env->segs[seg_reg];
885 sc->selector = selector;
886 sc->base = base;
887 sc->limit = limit;
888 sc->flags = flags;
889
890 /* update the hidden flags */
891 {
892 if (seg_reg == R_CS) {
893 #ifdef TARGET_X86_64
894 if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
895 /* long mode */
896 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
897 env->hflags &= ~(HF_ADDSEG_MASK);
898 } else
899 #endif
900 {
901 /* legacy / compatibility case */
902 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
903 >> (DESC_B_SHIFT - HF_CS32_SHIFT);
904 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
905 new_hflags;
906 }
907 }
908 new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
909 >> (DESC_B_SHIFT - HF_SS32_SHIFT);
910 if (env->hflags & HF_CS64_MASK) {
911 /* zero base assumed for DS, ES and SS in long mode */
912 } else if (!(env->cr[0] & CR0_PE_MASK) ||
913 (env->eflags & VM_MASK) ||
914 !(env->hflags & HF_CS32_MASK)) {
915 /* XXX: try to avoid this test. The problem comes from the
916 fact that is real mode or vm86 mode we only modify the
917 'base' and 'selector' fields of the segment cache to go
918 faster. A solution may be to force addseg to one in
919 translate-i386.c. */
920 new_hflags |= HF_ADDSEG_MASK;
921 } else {
922 new_hflags |= ((env->segs[R_DS].base |
923 env->segs[R_ES].base |
924 env->segs[R_SS].base) != 0) <<
925 HF_ADDSEG_SHIFT;
926 }
927 env->hflags = (env->hflags &
928 ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
929 }
930 }
931
932 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
933 int sipi_vector)
934 {
935 CPUX86State *env = &cpu->env;
936
937 env->eip = 0;
938 cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
939 sipi_vector << 12,
940 env->segs[R_CS].limit,
941 env->segs[R_CS].flags);
942 env->halted = 0;
943 }
944
945 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
946 target_ulong *base, unsigned int *limit,
947 unsigned int *flags);
948
949 /* wrapper, just in case memory mappings must be changed */
950 static inline void cpu_x86_set_cpl(CPUX86State *s, int cpl)
951 {
952 #if HF_CPL_MASK == 3
953 s->hflags = (s->hflags & ~HF_CPL_MASK) | cpl;
954 #else
955 #error HF_CPL_MASK is hardcoded
956 #endif
957 }
958
959 /* op_helper.c */
960 /* used for debug or cpu save/restore */
961 void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f);
962 floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper);
963
964 /* cpu-exec.c */
965 /* the following helpers are only usable in user mode simulation as
966 they can trigger unexpected exceptions */
967 void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
968 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
969 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
970
971 /* you can call this signal handler from your SIGBUS and SIGSEGV
972 signal handlers to inform the virtual CPU of exceptions. non zero
973 is returned if the signal was handled by the virtual CPU. */
974 int cpu_x86_signal_handler(int host_signum, void *pinfo,
975 void *puc);
976
977 /* cpuid.c */
978 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
979 uint32_t *eax, uint32_t *ebx,
980 uint32_t *ecx, uint32_t *edx);
981 int cpu_x86_register(X86CPU *cpu, const char *cpu_model);
982 void cpu_clear_apic_feature(CPUX86State *env);
983 void host_cpuid(uint32_t function, uint32_t count,
984 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
985
986 /* helper.c */
987 int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
988 int is_write, int mmu_idx);
989 #define cpu_handle_mmu_fault cpu_x86_handle_mmu_fault
990 void cpu_x86_set_a20(CPUX86State *env, int a20_state);
991
992 static inline int hw_breakpoint_enabled(unsigned long dr7, int index)
993 {
994 return (dr7 >> (index * 2)) & 3;
995 }
996
997 static inline int hw_breakpoint_type(unsigned long dr7, int index)
998 {
999 return (dr7 >> (DR7_TYPE_SHIFT + (index * 4))) & 3;
1000 }
1001
1002 static inline int hw_breakpoint_len(unsigned long dr7, int index)
1003 {
1004 int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 4))) & 3);
1005 return (len == 2) ? 8 : len + 1;
1006 }
1007
1008 void hw_breakpoint_insert(CPUX86State *env, int index);
1009 void hw_breakpoint_remove(CPUX86State *env, int index);
1010 int check_hw_breakpoints(CPUX86State *env, int force_dr6_update);
1011 void breakpoint_handler(CPUX86State *env);
1012
1013 /* will be suppressed */
1014 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1015 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1016 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1017
1018 /* hw/pc.c */
1019 void cpu_smm_update(CPUX86State *env);
1020 uint64_t cpu_get_tsc(CPUX86State *env);
1021
1022 #define TARGET_PAGE_BITS 12
1023
1024 #ifdef TARGET_X86_64
1025 #define TARGET_PHYS_ADDR_SPACE_BITS 52
1026 /* ??? This is really 48 bits, sign-extended, but the only thing
1027 accessible to userland with bit 48 set is the VSYSCALL, and that
1028 is handled via other mechanisms. */
1029 #define TARGET_VIRT_ADDR_SPACE_BITS 47
1030 #else
1031 #define TARGET_PHYS_ADDR_SPACE_BITS 36
1032 #define TARGET_VIRT_ADDR_SPACE_BITS 32
1033 #endif
1034
1035 static inline CPUX86State *cpu_init(const char *cpu_model)
1036 {
1037 X86CPU *cpu = cpu_x86_init(cpu_model);
1038 if (cpu == NULL) {
1039 return NULL;
1040 }
1041 return &cpu->env;
1042 }
1043
1044 #define cpu_exec cpu_x86_exec
1045 #define cpu_gen_code cpu_x86_gen_code
1046 #define cpu_signal_handler cpu_x86_signal_handler
1047 #define cpu_list x86_cpu_list
1048 #define cpudef_setup x86_cpudef_setup
1049
1050 #define CPU_SAVE_VERSION 12
1051
1052 /* MMU modes definitions */
1053 #define MMU_MODE0_SUFFIX _kernel
1054 #define MMU_MODE1_SUFFIX _user
1055 #define MMU_MODE2_SUFFIX _ksmap /* Kernel with SMAP override */
1056 #define MMU_KERNEL_IDX 0
1057 #define MMU_USER_IDX 1
1058 #define MMU_KSMAP_IDX 2
1059 static inline int cpu_mmu_index (CPUX86State *env)
1060 {
1061 return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1062 ((env->hflags & HF_SMAP_MASK) && (env->eflags & AC_MASK))
1063 ? MMU_KSMAP_IDX : MMU_KERNEL_IDX;
1064 }
1065
1066 #undef EAX
1067 #define EAX (env->regs[R_EAX])
1068 #undef ECX
1069 #define ECX (env->regs[R_ECX])
1070 #undef EDX
1071 #define EDX (env->regs[R_EDX])
1072 #undef EBX
1073 #define EBX (env->regs[R_EBX])
1074 #undef ESP
1075 #define ESP (env->regs[R_ESP])
1076 #undef EBP
1077 #define EBP (env->regs[R_EBP])
1078 #undef ESI
1079 #define ESI (env->regs[R_ESI])
1080 #undef EDI
1081 #define EDI (env->regs[R_EDI])
1082 #undef EIP
1083 #define EIP (env->eip)
1084 #define DF (env->df)
1085
1086 #define CC_SRC (env->cc_src)
1087 #define CC_DST (env->cc_dst)
1088 #define CC_OP (env->cc_op)
1089
1090 /* n must be a constant to be efficient */
1091 static inline target_long lshift(target_long x, int n)
1092 {
1093 if (n >= 0) {
1094 return x << n;
1095 } else {
1096 return x >> (-n);
1097 }
1098 }
1099
1100 /* float macros */
1101 #define FT0 (env->ft0)
1102 #define ST0 (env->fpregs[env->fpstt].d)
1103 #define ST(n) (env->fpregs[(env->fpstt + (n)) & 7].d)
1104 #define ST1 ST(1)
1105
1106 /* translate.c */
1107 void optimize_flags_init(void);
1108
1109 #if defined(CONFIG_USER_ONLY)
1110 static inline void cpu_clone_regs(CPUX86State *env, target_ulong newsp)
1111 {
1112 if (newsp)
1113 env->regs[R_ESP] = newsp;
1114 env->regs[R_EAX] = 0;
1115 }
1116 #endif
1117
1118 #include "cpu-all.h"
1119 #include "svm.h"
1120
1121 #if !defined(CONFIG_USER_ONLY)
1122 #include "hw/apic.h"
1123 #endif
1124
1125 static inline bool cpu_has_work(CPUState *cpu)
1126 {
1127 CPUX86State *env = &X86_CPU(cpu)->env;
1128
1129 return ((env->interrupt_request & (CPU_INTERRUPT_HARD |
1130 CPU_INTERRUPT_POLL)) &&
1131 (env->eflags & IF_MASK)) ||
1132 (env->interrupt_request & (CPU_INTERRUPT_NMI |
1133 CPU_INTERRUPT_INIT |
1134 CPU_INTERRUPT_SIPI |
1135 CPU_INTERRUPT_MCE));
1136 }
1137
1138 #include "exec-all.h"
1139
1140 static inline void cpu_pc_from_tb(CPUX86State *env, TranslationBlock *tb)
1141 {
1142 env->eip = tb->pc - tb->cs_base;
1143 }
1144
1145 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
1146 target_ulong *cs_base, int *flags)
1147 {
1148 *cs_base = env->segs[R_CS].base;
1149 *pc = *cs_base + env->eip;
1150 *flags = env->hflags |
1151 (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
1152 }
1153
1154 void do_cpu_init(X86CPU *cpu);
1155 void do_cpu_sipi(X86CPU *cpu);
1156
1157 #define MCE_INJECT_BROADCAST 1
1158 #define MCE_INJECT_UNCOND_AO 2
1159
1160 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
1161 uint64_t status, uint64_t mcg_status, uint64_t addr,
1162 uint64_t misc, int flags);
1163
1164 /* excp_helper.c */
1165 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
1166 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
1167 int error_code);
1168 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
1169 int error_code, int next_eip_addend);
1170
1171 /* cc_helper.c */
1172 extern const uint8_t parity_table[256];
1173 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
1174
1175 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
1176 {
1177 return env->eflags | cpu_cc_compute_all(env, CC_OP) | (DF & DF_MASK);
1178 }
1179
1180 /* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */
1181 static inline void cpu_load_eflags(CPUX86State *env, int eflags,
1182 int update_mask)
1183 {
1184 CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
1185 DF = 1 - (2 * ((eflags >> 10) & 1));
1186 env->eflags = (env->eflags & ~update_mask) |
1187 (eflags & update_mask) | 0x2;
1188 }
1189
1190 /* load efer and update the corresponding hflags. XXX: do consistency
1191 checks with cpuid bits? */
1192 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
1193 {
1194 env->efer = val;
1195 env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
1196 if (env->efer & MSR_EFER_LMA) {
1197 env->hflags |= HF_LMA_MASK;
1198 }
1199 if (env->efer & MSR_EFER_SVME) {
1200 env->hflags |= HF_SVME_MASK;
1201 }
1202 }
1203
1204 /* svm_helper.c */
1205 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
1206 uint64_t param);
1207 void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1);
1208
1209 /* op_helper.c */
1210 void do_interrupt(CPUX86State *env);
1211 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
1212
1213 void do_smm_enter(CPUX86State *env1);
1214
1215 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
1216
1217 void enable_kvm_pv_eoi(void);
1218
1219 #endif /* CPU_I386_H */