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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 "exec/cpu-defs.h"
48
49 #include "fpu/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 #define DR7_LOCAL_BP_MASK 0x55
235 #define DR7_MAX_BP 4
236 #define DR7_TYPE_BP_INST 0x0
237 #define DR7_TYPE_DATA_WR 0x1
238 #define DR7_TYPE_IO_RW 0x2
239 #define DR7_TYPE_DATA_RW 0x3
240
241 #define PG_PRESENT_BIT 0
242 #define PG_RW_BIT 1
243 #define PG_USER_BIT 2
244 #define PG_PWT_BIT 3
245 #define PG_PCD_BIT 4
246 #define PG_ACCESSED_BIT 5
247 #define PG_DIRTY_BIT 6
248 #define PG_PSE_BIT 7
249 #define PG_GLOBAL_BIT 8
250 #define PG_NX_BIT 63
251
252 #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT)
253 #define PG_RW_MASK (1 << PG_RW_BIT)
254 #define PG_USER_MASK (1 << PG_USER_BIT)
255 #define PG_PWT_MASK (1 << PG_PWT_BIT)
256 #define PG_PCD_MASK (1 << PG_PCD_BIT)
257 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
258 #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT)
259 #define PG_PSE_MASK (1 << PG_PSE_BIT)
260 #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT)
261 #define PG_HI_USER_MASK 0x7ff0000000000000LL
262 #define PG_NX_MASK (1LL << PG_NX_BIT)
263
264 #define PG_ERROR_W_BIT 1
265
266 #define PG_ERROR_P_MASK 0x01
267 #define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT)
268 #define PG_ERROR_U_MASK 0x04
269 #define PG_ERROR_RSVD_MASK 0x08
270 #define PG_ERROR_I_D_MASK 0x10
271
272 #define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */
273 #define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */
274
275 #define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P)
276 #define MCE_BANKS_DEF 10
277
278 #define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */
279 #define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */
280 #define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */
281
282 #define MCI_STATUS_VAL (1ULL<<63) /* valid error */
283 #define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */
284 #define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */
285 #define MCI_STATUS_EN (1ULL<<60) /* error enabled */
286 #define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */
287 #define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */
288 #define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */
289 #define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */
290 #define MCI_STATUS_AR (1ULL<<55) /* Action required */
291
292 /* MISC register defines */
293 #define MCM_ADDR_SEGOFF 0 /* segment offset */
294 #define MCM_ADDR_LINEAR 1 /* linear address */
295 #define MCM_ADDR_PHYS 2 /* physical address */
296 #define MCM_ADDR_MEM 3 /* memory address */
297 #define MCM_ADDR_GENERIC 7 /* generic */
298
299 #define MSR_IA32_TSC 0x10
300 #define MSR_IA32_APICBASE 0x1b
301 #define MSR_IA32_APICBASE_BSP (1<<8)
302 #define MSR_IA32_APICBASE_ENABLE (1<<11)
303 #define MSR_IA32_APICBASE_BASE (0xfffff<<12)
304 #define MSR_TSC_ADJUST 0x0000003b
305 #define MSR_IA32_TSCDEADLINE 0x6e0
306
307 #define MSR_MTRRcap 0xfe
308 #define MSR_MTRRcap_VCNT 8
309 #define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8)
310 #define MSR_MTRRcap_WC_SUPPORTED (1 << 10)
311
312 #define MSR_IA32_SYSENTER_CS 0x174
313 #define MSR_IA32_SYSENTER_ESP 0x175
314 #define MSR_IA32_SYSENTER_EIP 0x176
315
316 #define MSR_MCG_CAP 0x179
317 #define MSR_MCG_STATUS 0x17a
318 #define MSR_MCG_CTL 0x17b
319
320 #define MSR_IA32_PERF_STATUS 0x198
321
322 #define MSR_IA32_MISC_ENABLE 0x1a0
323 /* Indicates good rep/movs microcode on some processors: */
324 #define MSR_IA32_MISC_ENABLE_DEFAULT 1
325
326 #define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg))
327 #define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1)
328
329 #define MSR_MTRRfix64K_00000 0x250
330 #define MSR_MTRRfix16K_80000 0x258
331 #define MSR_MTRRfix16K_A0000 0x259
332 #define MSR_MTRRfix4K_C0000 0x268
333 #define MSR_MTRRfix4K_C8000 0x269
334 #define MSR_MTRRfix4K_D0000 0x26a
335 #define MSR_MTRRfix4K_D8000 0x26b
336 #define MSR_MTRRfix4K_E0000 0x26c
337 #define MSR_MTRRfix4K_E8000 0x26d
338 #define MSR_MTRRfix4K_F0000 0x26e
339 #define MSR_MTRRfix4K_F8000 0x26f
340
341 #define MSR_PAT 0x277
342
343 #define MSR_MTRRdefType 0x2ff
344
345 #define MSR_MC0_CTL 0x400
346 #define MSR_MC0_STATUS 0x401
347 #define MSR_MC0_ADDR 0x402
348 #define MSR_MC0_MISC 0x403
349
350 #define MSR_EFER 0xc0000080
351
352 #define MSR_EFER_SCE (1 << 0)
353 #define MSR_EFER_LME (1 << 8)
354 #define MSR_EFER_LMA (1 << 10)
355 #define MSR_EFER_NXE (1 << 11)
356 #define MSR_EFER_SVME (1 << 12)
357 #define MSR_EFER_FFXSR (1 << 14)
358
359 #define MSR_STAR 0xc0000081
360 #define MSR_LSTAR 0xc0000082
361 #define MSR_CSTAR 0xc0000083
362 #define MSR_FMASK 0xc0000084
363 #define MSR_FSBASE 0xc0000100
364 #define MSR_GSBASE 0xc0000101
365 #define MSR_KERNELGSBASE 0xc0000102
366 #define MSR_TSC_AUX 0xc0000103
367
368 #define MSR_VM_HSAVE_PA 0xc0010117
369
370 /* CPUID feature words */
371 typedef enum FeatureWord {
372 FEAT_1_EDX, /* CPUID[1].EDX */
373 FEAT_1_ECX, /* CPUID[1].ECX */
374 FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */
375 FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
376 FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
377 FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
378 FEAT_KVM, /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
379 FEAT_SVM, /* CPUID[8000_000A].EDX */
380 FEATURE_WORDS,
381 } FeatureWord;
382
383 typedef uint32_t FeatureWordArray[FEATURE_WORDS];
384
385 /* cpuid_features bits */
386 #define CPUID_FP87 (1 << 0)
387 #define CPUID_VME (1 << 1)
388 #define CPUID_DE (1 << 2)
389 #define CPUID_PSE (1 << 3)
390 #define CPUID_TSC (1 << 4)
391 #define CPUID_MSR (1 << 5)
392 #define CPUID_PAE (1 << 6)
393 #define CPUID_MCE (1 << 7)
394 #define CPUID_CX8 (1 << 8)
395 #define CPUID_APIC (1 << 9)
396 #define CPUID_SEP (1 << 11) /* sysenter/sysexit */
397 #define CPUID_MTRR (1 << 12)
398 #define CPUID_PGE (1 << 13)
399 #define CPUID_MCA (1 << 14)
400 #define CPUID_CMOV (1 << 15)
401 #define CPUID_PAT (1 << 16)
402 #define CPUID_PSE36 (1 << 17)
403 #define CPUID_PN (1 << 18)
404 #define CPUID_CLFLUSH (1 << 19)
405 #define CPUID_DTS (1 << 21)
406 #define CPUID_ACPI (1 << 22)
407 #define CPUID_MMX (1 << 23)
408 #define CPUID_FXSR (1 << 24)
409 #define CPUID_SSE (1 << 25)
410 #define CPUID_SSE2 (1 << 26)
411 #define CPUID_SS (1 << 27)
412 #define CPUID_HT (1 << 28)
413 #define CPUID_TM (1 << 29)
414 #define CPUID_IA64 (1 << 30)
415 #define CPUID_PBE (1 << 31)
416
417 #define CPUID_EXT_SSE3 (1 << 0)
418 #define CPUID_EXT_PCLMULQDQ (1 << 1)
419 #define CPUID_EXT_DTES64 (1 << 2)
420 #define CPUID_EXT_MONITOR (1 << 3)
421 #define CPUID_EXT_DSCPL (1 << 4)
422 #define CPUID_EXT_VMX (1 << 5)
423 #define CPUID_EXT_SMX (1 << 6)
424 #define CPUID_EXT_EST (1 << 7)
425 #define CPUID_EXT_TM2 (1 << 8)
426 #define CPUID_EXT_SSSE3 (1 << 9)
427 #define CPUID_EXT_CID (1 << 10)
428 #define CPUID_EXT_FMA (1 << 12)
429 #define CPUID_EXT_CX16 (1 << 13)
430 #define CPUID_EXT_XTPR (1 << 14)
431 #define CPUID_EXT_PDCM (1 << 15)
432 #define CPUID_EXT_PCID (1 << 17)
433 #define CPUID_EXT_DCA (1 << 18)
434 #define CPUID_EXT_SSE41 (1 << 19)
435 #define CPUID_EXT_SSE42 (1 << 20)
436 #define CPUID_EXT_X2APIC (1 << 21)
437 #define CPUID_EXT_MOVBE (1 << 22)
438 #define CPUID_EXT_POPCNT (1 << 23)
439 #define CPUID_EXT_TSC_DEADLINE_TIMER (1 << 24)
440 #define CPUID_EXT_AES (1 << 25)
441 #define CPUID_EXT_XSAVE (1 << 26)
442 #define CPUID_EXT_OSXSAVE (1 << 27)
443 #define CPUID_EXT_AVX (1 << 28)
444 #define CPUID_EXT_F16C (1 << 29)
445 #define CPUID_EXT_RDRAND (1 << 30)
446 #define CPUID_EXT_HYPERVISOR (1 << 31)
447
448 #define CPUID_EXT2_FPU (1 << 0)
449 #define CPUID_EXT2_VME (1 << 1)
450 #define CPUID_EXT2_DE (1 << 2)
451 #define CPUID_EXT2_PSE (1 << 3)
452 #define CPUID_EXT2_TSC (1 << 4)
453 #define CPUID_EXT2_MSR (1 << 5)
454 #define CPUID_EXT2_PAE (1 << 6)
455 #define CPUID_EXT2_MCE (1 << 7)
456 #define CPUID_EXT2_CX8 (1 << 8)
457 #define CPUID_EXT2_APIC (1 << 9)
458 #define CPUID_EXT2_SYSCALL (1 << 11)
459 #define CPUID_EXT2_MTRR (1 << 12)
460 #define CPUID_EXT2_PGE (1 << 13)
461 #define CPUID_EXT2_MCA (1 << 14)
462 #define CPUID_EXT2_CMOV (1 << 15)
463 #define CPUID_EXT2_PAT (1 << 16)
464 #define CPUID_EXT2_PSE36 (1 << 17)
465 #define CPUID_EXT2_MP (1 << 19)
466 #define CPUID_EXT2_NX (1 << 20)
467 #define CPUID_EXT2_MMXEXT (1 << 22)
468 #define CPUID_EXT2_MMX (1 << 23)
469 #define CPUID_EXT2_FXSR (1 << 24)
470 #define CPUID_EXT2_FFXSR (1 << 25)
471 #define CPUID_EXT2_PDPE1GB (1 << 26)
472 #define CPUID_EXT2_RDTSCP (1 << 27)
473 #define CPUID_EXT2_LM (1 << 29)
474 #define CPUID_EXT2_3DNOWEXT (1 << 30)
475 #define CPUID_EXT2_3DNOW (1 << 31)
476
477 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
478 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
479 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
480 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
481 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
482 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
483 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
484 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
485 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
486 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
487
488 #define CPUID_EXT3_LAHF_LM (1 << 0)
489 #define CPUID_EXT3_CMP_LEG (1 << 1)
490 #define CPUID_EXT3_SVM (1 << 2)
491 #define CPUID_EXT3_EXTAPIC (1 << 3)
492 #define CPUID_EXT3_CR8LEG (1 << 4)
493 #define CPUID_EXT3_ABM (1 << 5)
494 #define CPUID_EXT3_SSE4A (1 << 6)
495 #define CPUID_EXT3_MISALIGNSSE (1 << 7)
496 #define CPUID_EXT3_3DNOWPREFETCH (1 << 8)
497 #define CPUID_EXT3_OSVW (1 << 9)
498 #define CPUID_EXT3_IBS (1 << 10)
499 #define CPUID_EXT3_XOP (1 << 11)
500 #define CPUID_EXT3_SKINIT (1 << 12)
501 #define CPUID_EXT3_WDT (1 << 13)
502 #define CPUID_EXT3_LWP (1 << 15)
503 #define CPUID_EXT3_FMA4 (1 << 16)
504 #define CPUID_EXT3_TCE (1 << 17)
505 #define CPUID_EXT3_NODEID (1 << 19)
506 #define CPUID_EXT3_TBM (1 << 21)
507 #define CPUID_EXT3_TOPOEXT (1 << 22)
508 #define CPUID_EXT3_PERFCORE (1 << 23)
509 #define CPUID_EXT3_PERFNB (1 << 24)
510
511 #define CPUID_SVM_NPT (1 << 0)
512 #define CPUID_SVM_LBRV (1 << 1)
513 #define CPUID_SVM_SVMLOCK (1 << 2)
514 #define CPUID_SVM_NRIPSAVE (1 << 3)
515 #define CPUID_SVM_TSCSCALE (1 << 4)
516 #define CPUID_SVM_VMCBCLEAN (1 << 5)
517 #define CPUID_SVM_FLUSHASID (1 << 6)
518 #define CPUID_SVM_DECODEASSIST (1 << 7)
519 #define CPUID_SVM_PAUSEFILTER (1 << 10)
520 #define CPUID_SVM_PFTHRESHOLD (1 << 12)
521
522 #define CPUID_7_0_EBX_FSGSBASE (1 << 0)
523 #define CPUID_7_0_EBX_BMI1 (1 << 3)
524 #define CPUID_7_0_EBX_HLE (1 << 4)
525 #define CPUID_7_0_EBX_AVX2 (1 << 5)
526 #define CPUID_7_0_EBX_SMEP (1 << 7)
527 #define CPUID_7_0_EBX_BMI2 (1 << 8)
528 #define CPUID_7_0_EBX_ERMS (1 << 9)
529 #define CPUID_7_0_EBX_INVPCID (1 << 10)
530 #define CPUID_7_0_EBX_RTM (1 << 11)
531 #define CPUID_7_0_EBX_RDSEED (1 << 18)
532 #define CPUID_7_0_EBX_ADX (1 << 19)
533 #define CPUID_7_0_EBX_SMAP (1 << 20)
534
535 #define CPUID_VENDOR_SZ 12
536
537 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
538 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
539 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
540
541 #define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */
542 #define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */
543 #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */
544
545 #define CPUID_VENDOR_VIA_1 0x746e6543 /* "Cent" */
546 #define CPUID_VENDOR_VIA_2 0x48727561 /* "aurH" */
547 #define CPUID_VENDOR_VIA_3 0x736c7561 /* "auls" */
548
549 #define CPUID_MWAIT_IBE (1 << 1) /* Interrupts can exit capability */
550 #define CPUID_MWAIT_EMX (1 << 0) /* enumeration supported */
551
552 #define EXCP00_DIVZ 0
553 #define EXCP01_DB 1
554 #define EXCP02_NMI 2
555 #define EXCP03_INT3 3
556 #define EXCP04_INTO 4
557 #define EXCP05_BOUND 5
558 #define EXCP06_ILLOP 6
559 #define EXCP07_PREX 7
560 #define EXCP08_DBLE 8
561 #define EXCP09_XERR 9
562 #define EXCP0A_TSS 10
563 #define EXCP0B_NOSEG 11
564 #define EXCP0C_STACK 12
565 #define EXCP0D_GPF 13
566 #define EXCP0E_PAGE 14
567 #define EXCP10_COPR 16
568 #define EXCP11_ALGN 17
569 #define EXCP12_MCHK 18
570
571 #define EXCP_SYSCALL 0x100 /* only happens in user only emulation
572 for syscall instruction */
573
574 /* i386-specific interrupt pending bits. */
575 #define CPU_INTERRUPT_POLL CPU_INTERRUPT_TGT_EXT_1
576 #define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2
577 #define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3
578 #define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4
579 #define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0
580 #define CPU_INTERRUPT_INIT CPU_INTERRUPT_TGT_INT_1
581 #define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_2
582 #define CPU_INTERRUPT_TPR CPU_INTERRUPT_TGT_INT_3
583
584
585 enum {
586 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
587 CC_OP_EFLAGS, /* all cc are explicitly computed, CC_SRC = flags */
588
589 CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
590 CC_OP_MULW,
591 CC_OP_MULL,
592 CC_OP_MULQ,
593
594 CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
595 CC_OP_ADDW,
596 CC_OP_ADDL,
597 CC_OP_ADDQ,
598
599 CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
600 CC_OP_ADCW,
601 CC_OP_ADCL,
602 CC_OP_ADCQ,
603
604 CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
605 CC_OP_SUBW,
606 CC_OP_SUBL,
607 CC_OP_SUBQ,
608
609 CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
610 CC_OP_SBBW,
611 CC_OP_SBBL,
612 CC_OP_SBBQ,
613
614 CC_OP_LOGICB, /* modify all flags, CC_DST = res */
615 CC_OP_LOGICW,
616 CC_OP_LOGICL,
617 CC_OP_LOGICQ,
618
619 CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
620 CC_OP_INCW,
621 CC_OP_INCL,
622 CC_OP_INCQ,
623
624 CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */
625 CC_OP_DECW,
626 CC_OP_DECL,
627 CC_OP_DECQ,
628
629 CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
630 CC_OP_SHLW,
631 CC_OP_SHLL,
632 CC_OP_SHLQ,
633
634 CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
635 CC_OP_SARW,
636 CC_OP_SARL,
637 CC_OP_SARQ,
638
639 CC_OP_NB,
640 };
641
642 typedef struct SegmentCache {
643 uint32_t selector;
644 target_ulong base;
645 uint32_t limit;
646 uint32_t flags;
647 } SegmentCache;
648
649 typedef union {
650 uint8_t _b[16];
651 uint16_t _w[8];
652 uint32_t _l[4];
653 uint64_t _q[2];
654 float32 _s[4];
655 float64 _d[2];
656 } XMMReg;
657
658 typedef union {
659 uint8_t _b[8];
660 uint16_t _w[4];
661 uint32_t _l[2];
662 float32 _s[2];
663 uint64_t q;
664 } MMXReg;
665
666 #ifdef HOST_WORDS_BIGENDIAN
667 #define XMM_B(n) _b[15 - (n)]
668 #define XMM_W(n) _w[7 - (n)]
669 #define XMM_L(n) _l[3 - (n)]
670 #define XMM_S(n) _s[3 - (n)]
671 #define XMM_Q(n) _q[1 - (n)]
672 #define XMM_D(n) _d[1 - (n)]
673
674 #define MMX_B(n) _b[7 - (n)]
675 #define MMX_W(n) _w[3 - (n)]
676 #define MMX_L(n) _l[1 - (n)]
677 #define MMX_S(n) _s[1 - (n)]
678 #else
679 #define XMM_B(n) _b[n]
680 #define XMM_W(n) _w[n]
681 #define XMM_L(n) _l[n]
682 #define XMM_S(n) _s[n]
683 #define XMM_Q(n) _q[n]
684 #define XMM_D(n) _d[n]
685
686 #define MMX_B(n) _b[n]
687 #define MMX_W(n) _w[n]
688 #define MMX_L(n) _l[n]
689 #define MMX_S(n) _s[n]
690 #endif
691 #define MMX_Q(n) q
692
693 typedef union {
694 floatx80 d __attribute__((aligned(16)));
695 MMXReg mmx;
696 } FPReg;
697
698 typedef struct {
699 uint64_t base;
700 uint64_t mask;
701 } MTRRVar;
702
703 #define CPU_NB_REGS64 16
704 #define CPU_NB_REGS32 8
705
706 #ifdef TARGET_X86_64
707 #define CPU_NB_REGS CPU_NB_REGS64
708 #else
709 #define CPU_NB_REGS CPU_NB_REGS32
710 #endif
711
712 #define NB_MMU_MODES 3
713
714 typedef enum TPRAccess {
715 TPR_ACCESS_READ,
716 TPR_ACCESS_WRITE,
717 } TPRAccess;
718
719 typedef struct CPUX86State {
720 /* standard registers */
721 target_ulong regs[CPU_NB_REGS];
722 target_ulong eip;
723 target_ulong eflags; /* eflags register. During CPU emulation, CC
724 flags and DF are set to zero because they are
725 stored elsewhere */
726
727 /* emulator internal eflags handling */
728 target_ulong cc_src;
729 target_ulong cc_dst;
730 uint32_t cc_op;
731 int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
732 uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
733 are known at translation time. */
734 uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
735
736 /* segments */
737 SegmentCache segs[6]; /* selector values */
738 SegmentCache ldt;
739 SegmentCache tr;
740 SegmentCache gdt; /* only base and limit are used */
741 SegmentCache idt; /* only base and limit are used */
742
743 target_ulong cr[5]; /* NOTE: cr1 is unused */
744 int32_t a20_mask;
745
746 /* FPU state */
747 unsigned int fpstt; /* top of stack index */
748 uint16_t fpus;
749 uint16_t fpuc;
750 uint8_t fptags[8]; /* 0 = valid, 1 = empty */
751 FPReg fpregs[8];
752 /* KVM-only so far */
753 uint16_t fpop;
754 uint64_t fpip;
755 uint64_t fpdp;
756
757 /* emulator internal variables */
758 float_status fp_status;
759 floatx80 ft0;
760
761 float_status mmx_status; /* for 3DNow! float ops */
762 float_status sse_status;
763 uint32_t mxcsr;
764 XMMReg xmm_regs[CPU_NB_REGS];
765 XMMReg xmm_t0;
766 MMXReg mmx_t0;
767 target_ulong cc_tmp; /* temporary for rcr/rcl */
768
769 /* sysenter registers */
770 uint32_t sysenter_cs;
771 target_ulong sysenter_esp;
772 target_ulong sysenter_eip;
773 uint64_t efer;
774 uint64_t star;
775
776 uint64_t vm_hsave;
777 uint64_t vm_vmcb;
778 uint64_t tsc_offset;
779 uint64_t intercept;
780 uint16_t intercept_cr_read;
781 uint16_t intercept_cr_write;
782 uint16_t intercept_dr_read;
783 uint16_t intercept_dr_write;
784 uint32_t intercept_exceptions;
785 uint8_t v_tpr;
786
787 #ifdef TARGET_X86_64
788 target_ulong lstar;
789 target_ulong cstar;
790 target_ulong fmask;
791 target_ulong kernelgsbase;
792 #endif
793 uint64_t system_time_msr;
794 uint64_t wall_clock_msr;
795 uint64_t async_pf_en_msr;
796 uint64_t pv_eoi_en_msr;
797
798 uint64_t tsc;
799 uint64_t tsc_adjust;
800 uint64_t tsc_deadline;
801
802 uint64_t mcg_status;
803 uint64_t msr_ia32_misc_enable;
804
805 /* exception/interrupt handling */
806 int error_code;
807 int exception_is_int;
808 target_ulong exception_next_eip;
809 target_ulong dr[8]; /* debug registers */
810 union {
811 CPUBreakpoint *cpu_breakpoint[4];
812 CPUWatchpoint *cpu_watchpoint[4];
813 }; /* break/watchpoints for dr[0..3] */
814 uint32_t smbase;
815 int old_exception; /* exception in flight */
816
817 /* KVM states, automatically cleared on reset */
818 uint8_t nmi_injected;
819 uint8_t nmi_pending;
820
821 CPU_COMMON
822
823 uint64_t pat;
824
825 /* processor features (e.g. for CPUID insn) */
826 uint32_t cpuid_level;
827 uint32_t cpuid_vendor1;
828 uint32_t cpuid_vendor2;
829 uint32_t cpuid_vendor3;
830 uint32_t cpuid_version;
831 uint32_t cpuid_features;
832 uint32_t cpuid_ext_features;
833 uint32_t cpuid_xlevel;
834 uint32_t cpuid_model[12];
835 uint32_t cpuid_ext2_features;
836 uint32_t cpuid_ext3_features;
837 uint32_t cpuid_apic_id;
838 int cpuid_vendor_override;
839 /* Store the results of Centaur's CPUID instructions */
840 uint32_t cpuid_xlevel2;
841 uint32_t cpuid_ext4_features;
842 /* Flags from CPUID[EAX=7,ECX=0].EBX */
843 uint32_t cpuid_7_0_ebx_features;
844
845 /* MTRRs */
846 uint64_t mtrr_fixed[11];
847 uint64_t mtrr_deftype;
848 MTRRVar mtrr_var[8];
849
850 /* For KVM */
851 uint32_t mp_state;
852 int32_t exception_injected;
853 int32_t interrupt_injected;
854 uint8_t soft_interrupt;
855 uint8_t has_error_code;
856 uint32_t sipi_vector;
857 uint32_t cpuid_kvm_features;
858 uint32_t cpuid_svm_features;
859 bool tsc_valid;
860 int tsc_khz;
861 void *kvm_xsave_buf;
862
863 /* in order to simplify APIC support, we leave this pointer to the
864 user */
865 struct DeviceState *apic_state;
866
867 uint64_t mcg_cap;
868 uint64_t mcg_ctl;
869 uint64_t mce_banks[MCE_BANKS_DEF*4];
870
871 uint64_t tsc_aux;
872
873 /* vmstate */
874 uint16_t fpus_vmstate;
875 uint16_t fptag_vmstate;
876 uint16_t fpregs_format_vmstate;
877
878 uint64_t xstate_bv;
879 XMMReg ymmh_regs[CPU_NB_REGS];
880
881 uint64_t xcr0;
882
883 TPRAccess tpr_access_type;
884 } CPUX86State;
885
886 #include "cpu-qom.h"
887
888 X86CPU *cpu_x86_init(const char *cpu_model);
889 int cpu_x86_exec(CPUX86State *s);
890 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf);
891 void x86_cpudef_setup(void);
892 int cpu_x86_support_mca_broadcast(CPUX86State *env);
893
894 int cpu_get_pic_interrupt(CPUX86State *s);
895 /* MSDOS compatibility mode FPU exception support */
896 void cpu_set_ferr(CPUX86State *s);
897
898 /* this function must always be used to load data in the segment
899 cache: it synchronizes the hflags with the segment cache values */
900 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
901 int seg_reg, unsigned int selector,
902 target_ulong base,
903 unsigned int limit,
904 unsigned int flags)
905 {
906 SegmentCache *sc;
907 unsigned int new_hflags;
908
909 sc = &env->segs[seg_reg];
910 sc->selector = selector;
911 sc->base = base;
912 sc->limit = limit;
913 sc->flags = flags;
914
915 /* update the hidden flags */
916 {
917 if (seg_reg == R_CS) {
918 #ifdef TARGET_X86_64
919 if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
920 /* long mode */
921 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
922 env->hflags &= ~(HF_ADDSEG_MASK);
923 } else
924 #endif
925 {
926 /* legacy / compatibility case */
927 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
928 >> (DESC_B_SHIFT - HF_CS32_SHIFT);
929 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
930 new_hflags;
931 }
932 }
933 new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
934 >> (DESC_B_SHIFT - HF_SS32_SHIFT);
935 if (env->hflags & HF_CS64_MASK) {
936 /* zero base assumed for DS, ES and SS in long mode */
937 } else if (!(env->cr[0] & CR0_PE_MASK) ||
938 (env->eflags & VM_MASK) ||
939 !(env->hflags & HF_CS32_MASK)) {
940 /* XXX: try to avoid this test. The problem comes from the
941 fact that is real mode or vm86 mode we only modify the
942 'base' and 'selector' fields of the segment cache to go
943 faster. A solution may be to force addseg to one in
944 translate-i386.c. */
945 new_hflags |= HF_ADDSEG_MASK;
946 } else {
947 new_hflags |= ((env->segs[R_DS].base |
948 env->segs[R_ES].base |
949 env->segs[R_SS].base) != 0) <<
950 HF_ADDSEG_SHIFT;
951 }
952 env->hflags = (env->hflags &
953 ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
954 }
955 }
956
957 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
958 int sipi_vector)
959 {
960 CPUX86State *env = &cpu->env;
961
962 env->eip = 0;
963 cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
964 sipi_vector << 12,
965 env->segs[R_CS].limit,
966 env->segs[R_CS].flags);
967 env->halted = 0;
968 }
969
970 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
971 target_ulong *base, unsigned int *limit,
972 unsigned int *flags);
973
974 /* wrapper, just in case memory mappings must be changed */
975 static inline void cpu_x86_set_cpl(CPUX86State *s, int cpl)
976 {
977 #if HF_CPL_MASK == 3
978 s->hflags = (s->hflags & ~HF_CPL_MASK) | cpl;
979 #else
980 #error HF_CPL_MASK is hardcoded
981 #endif
982 }
983
984 /* op_helper.c */
985 /* used for debug or cpu save/restore */
986 void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f);
987 floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper);
988
989 /* cpu-exec.c */
990 /* the following helpers are only usable in user mode simulation as
991 they can trigger unexpected exceptions */
992 void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
993 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
994 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
995
996 /* you can call this signal handler from your SIGBUS and SIGSEGV
997 signal handlers to inform the virtual CPU of exceptions. non zero
998 is returned if the signal was handled by the virtual CPU. */
999 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1000 void *puc);
1001
1002 /* cpuid.c */
1003 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1004 uint32_t *eax, uint32_t *ebx,
1005 uint32_t *ecx, uint32_t *edx);
1006 int cpu_x86_register(X86CPU *cpu, const char *cpu_model);
1007 void cpu_clear_apic_feature(CPUX86State *env);
1008 void host_cpuid(uint32_t function, uint32_t count,
1009 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1010
1011 /* helper.c */
1012 int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
1013 int is_write, int mmu_idx);
1014 #define cpu_handle_mmu_fault cpu_x86_handle_mmu_fault
1015 void cpu_x86_set_a20(CPUX86State *env, int a20_state);
1016
1017 static inline bool hw_local_breakpoint_enabled(unsigned long dr7, int index)
1018 {
1019 return (dr7 >> (index * 2)) & 1;
1020 }
1021
1022 static inline bool hw_global_breakpoint_enabled(unsigned long dr7, int index)
1023 {
1024 return (dr7 >> (index * 2)) & 2;
1025
1026 }
1027 static inline bool hw_breakpoint_enabled(unsigned long dr7, int index)
1028 {
1029 return hw_global_breakpoint_enabled(dr7, index) ||
1030 hw_local_breakpoint_enabled(dr7, index);
1031 }
1032
1033 static inline int hw_breakpoint_type(unsigned long dr7, int index)
1034 {
1035 return (dr7 >> (DR7_TYPE_SHIFT + (index * 4))) & 3;
1036 }
1037
1038 static inline int hw_breakpoint_len(unsigned long dr7, int index)
1039 {
1040 int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 4))) & 3);
1041 return (len == 2) ? 8 : len + 1;
1042 }
1043
1044 void hw_breakpoint_insert(CPUX86State *env, int index);
1045 void hw_breakpoint_remove(CPUX86State *env, int index);
1046 bool check_hw_breakpoints(CPUX86State *env, bool force_dr6_update);
1047 void breakpoint_handler(CPUX86State *env);
1048
1049 /* will be suppressed */
1050 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1051 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1052 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1053
1054 /* hw/pc.c */
1055 void cpu_smm_update(CPUX86State *env);
1056 uint64_t cpu_get_tsc(CPUX86State *env);
1057
1058 #define TARGET_PAGE_BITS 12
1059
1060 #ifdef TARGET_X86_64
1061 #define TARGET_PHYS_ADDR_SPACE_BITS 52
1062 /* ??? This is really 48 bits, sign-extended, but the only thing
1063 accessible to userland with bit 48 set is the VSYSCALL, and that
1064 is handled via other mechanisms. */
1065 #define TARGET_VIRT_ADDR_SPACE_BITS 47
1066 #else
1067 #define TARGET_PHYS_ADDR_SPACE_BITS 36
1068 #define TARGET_VIRT_ADDR_SPACE_BITS 32
1069 #endif
1070
1071 static inline CPUX86State *cpu_init(const char *cpu_model)
1072 {
1073 X86CPU *cpu = cpu_x86_init(cpu_model);
1074 if (cpu == NULL) {
1075 return NULL;
1076 }
1077 return &cpu->env;
1078 }
1079
1080 #define cpu_exec cpu_x86_exec
1081 #define cpu_gen_code cpu_x86_gen_code
1082 #define cpu_signal_handler cpu_x86_signal_handler
1083 #define cpu_list x86_cpu_list
1084 #define cpudef_setup x86_cpudef_setup
1085
1086 #define CPU_SAVE_VERSION 12
1087
1088 /* MMU modes definitions */
1089 #define MMU_MODE0_SUFFIX _kernel
1090 #define MMU_MODE1_SUFFIX _user
1091 #define MMU_MODE2_SUFFIX _ksmap /* Kernel with SMAP override */
1092 #define MMU_KERNEL_IDX 0
1093 #define MMU_USER_IDX 1
1094 #define MMU_KSMAP_IDX 2
1095 static inline int cpu_mmu_index (CPUX86State *env)
1096 {
1097 return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1098 ((env->hflags & HF_SMAP_MASK) && (env->eflags & AC_MASK))
1099 ? MMU_KSMAP_IDX : MMU_KERNEL_IDX;
1100 }
1101
1102 #undef EAX
1103 #define EAX (env->regs[R_EAX])
1104 #undef ECX
1105 #define ECX (env->regs[R_ECX])
1106 #undef EDX
1107 #define EDX (env->regs[R_EDX])
1108 #undef EBX
1109 #define EBX (env->regs[R_EBX])
1110 #undef ESP
1111 #define ESP (env->regs[R_ESP])
1112 #undef EBP
1113 #define EBP (env->regs[R_EBP])
1114 #undef ESI
1115 #define ESI (env->regs[R_ESI])
1116 #undef EDI
1117 #define EDI (env->regs[R_EDI])
1118 #undef EIP
1119 #define EIP (env->eip)
1120 #define DF (env->df)
1121
1122 #define CC_SRC (env->cc_src)
1123 #define CC_DST (env->cc_dst)
1124 #define CC_OP (env->cc_op)
1125
1126 /* n must be a constant to be efficient */
1127 static inline target_long lshift(target_long x, int n)
1128 {
1129 if (n >= 0) {
1130 return x << n;
1131 } else {
1132 return x >> (-n);
1133 }
1134 }
1135
1136 /* float macros */
1137 #define FT0 (env->ft0)
1138 #define ST0 (env->fpregs[env->fpstt].d)
1139 #define ST(n) (env->fpregs[(env->fpstt + (n)) & 7].d)
1140 #define ST1 ST(1)
1141
1142 /* translate.c */
1143 void optimize_flags_init(void);
1144
1145 #if defined(CONFIG_USER_ONLY)
1146 static inline void cpu_clone_regs(CPUX86State *env, target_ulong newsp)
1147 {
1148 if (newsp)
1149 env->regs[R_ESP] = newsp;
1150 env->regs[R_EAX] = 0;
1151 }
1152 #endif
1153
1154 #include "exec/cpu-all.h"
1155 #include "svm.h"
1156
1157 #if !defined(CONFIG_USER_ONLY)
1158 #include "hw/apic.h"
1159 #endif
1160
1161 static inline bool cpu_has_work(CPUState *cpu)
1162 {
1163 CPUX86State *env = &X86_CPU(cpu)->env;
1164
1165 return ((env->interrupt_request & (CPU_INTERRUPT_HARD |
1166 CPU_INTERRUPT_POLL)) &&
1167 (env->eflags & IF_MASK)) ||
1168 (env->interrupt_request & (CPU_INTERRUPT_NMI |
1169 CPU_INTERRUPT_INIT |
1170 CPU_INTERRUPT_SIPI |
1171 CPU_INTERRUPT_MCE));
1172 }
1173
1174 #include "exec/exec-all.h"
1175
1176 static inline void cpu_pc_from_tb(CPUX86State *env, TranslationBlock *tb)
1177 {
1178 env->eip = tb->pc - tb->cs_base;
1179 }
1180
1181 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
1182 target_ulong *cs_base, int *flags)
1183 {
1184 *cs_base = env->segs[R_CS].base;
1185 *pc = *cs_base + env->eip;
1186 *flags = env->hflags |
1187 (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
1188 }
1189
1190 void do_cpu_init(X86CPU *cpu);
1191 void do_cpu_sipi(X86CPU *cpu);
1192
1193 #define MCE_INJECT_BROADCAST 1
1194 #define MCE_INJECT_UNCOND_AO 2
1195
1196 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
1197 uint64_t status, uint64_t mcg_status, uint64_t addr,
1198 uint64_t misc, int flags);
1199
1200 /* excp_helper.c */
1201 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
1202 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
1203 int error_code);
1204 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
1205 int error_code, int next_eip_addend);
1206
1207 /* cc_helper.c */
1208 extern const uint8_t parity_table[256];
1209 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
1210
1211 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
1212 {
1213 return env->eflags | cpu_cc_compute_all(env, CC_OP) | (DF & DF_MASK);
1214 }
1215
1216 /* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */
1217 static inline void cpu_load_eflags(CPUX86State *env, int eflags,
1218 int update_mask)
1219 {
1220 CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
1221 DF = 1 - (2 * ((eflags >> 10) & 1));
1222 env->eflags = (env->eflags & ~update_mask) |
1223 (eflags & update_mask) | 0x2;
1224 }
1225
1226 /* load efer and update the corresponding hflags. XXX: do consistency
1227 checks with cpuid bits? */
1228 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
1229 {
1230 env->efer = val;
1231 env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
1232 if (env->efer & MSR_EFER_LMA) {
1233 env->hflags |= HF_LMA_MASK;
1234 }
1235 if (env->efer & MSR_EFER_SVME) {
1236 env->hflags |= HF_SVME_MASK;
1237 }
1238 }
1239
1240 /* svm_helper.c */
1241 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
1242 uint64_t param);
1243 void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1);
1244
1245 /* op_helper.c */
1246 void do_interrupt(CPUX86State *env);
1247 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
1248
1249 void do_smm_enter(CPUX86State *env1);
1250
1251 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
1252
1253 void disable_kvm_pv_eoi(void);
1254
1255 /* Return name of 32-bit register, from a R_* constant */
1256 const char *get_register_name_32(unsigned int reg);
1257
1258 uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index);
1259 void enable_compat_apic_id_mode(void);
1260
1261 #endif /* CPU_I386_H */