trace: teach lttng backend to use format strings
[qemu/ar7.git] / target-i386 / cpu.h
blobe634d83e86e46289d95e836d02a0ffaf004d185b
1 /*
2 * i386 virtual CPU header
4 * Copyright (c) 2003 Fabrice Bellard
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.
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.
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/>.
19 #ifndef CPU_I386_H
20 #define CPU_I386_H
22 #include "config.h"
23 #include "qemu-common.h"
25 #ifdef TARGET_X86_64
26 #define TARGET_LONG_BITS 64
27 #else
28 #define TARGET_LONG_BITS 32
29 #endif
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
37 #define TARGET_HAS_ICE 1
39 #ifdef TARGET_X86_64
40 #define ELF_MACHINE EM_X86_64
41 #define ELF_MACHINE_UNAME "x86_64"
42 #else
43 #define ELF_MACHINE EM_386
44 #define ELF_MACHINE_UNAME "i686"
45 #endif
47 #define CPUArchState struct CPUX86State
49 #include "exec/cpu-defs.h"
51 #include "fpu/softfloat.h"
53 #define R_EAX 0
54 #define R_ECX 1
55 #define R_EDX 2
56 #define R_EBX 3
57 #define R_ESP 4
58 #define R_EBP 5
59 #define R_ESI 6
60 #define R_EDI 7
62 #define R_AL 0
63 #define R_CL 1
64 #define R_DL 2
65 #define R_BL 3
66 #define R_AH 4
67 #define R_CH 5
68 #define R_DH 6
69 #define R_BH 7
71 #define R_ES 0
72 #define R_CS 1
73 #define R_SS 2
74 #define R_DS 3
75 #define R_FS 4
76 #define R_GS 5
78 /* segment descriptor fields */
79 #define DESC_G_MASK (1 << 23)
80 #define DESC_B_SHIFT 22
81 #define DESC_B_MASK (1 << DESC_B_SHIFT)
82 #define DESC_L_SHIFT 21 /* x86_64 only : 64 bit code segment */
83 #define DESC_L_MASK (1 << DESC_L_SHIFT)
84 #define DESC_AVL_MASK (1 << 20)
85 #define DESC_P_MASK (1 << 15)
86 #define DESC_DPL_SHIFT 13
87 #define DESC_DPL_MASK (3 << DESC_DPL_SHIFT)
88 #define DESC_S_MASK (1 << 12)
89 #define DESC_TYPE_SHIFT 8
90 #define DESC_TYPE_MASK (15 << DESC_TYPE_SHIFT)
91 #define DESC_A_MASK (1 << 8)
93 #define DESC_CS_MASK (1 << 11) /* 1=code segment 0=data segment */
94 #define DESC_C_MASK (1 << 10) /* code: conforming */
95 #define DESC_R_MASK (1 << 9) /* code: readable */
97 #define DESC_E_MASK (1 << 10) /* data: expansion direction */
98 #define DESC_W_MASK (1 << 9) /* data: writable */
100 #define DESC_TSS_BUSY_MASK (1 << 9)
102 /* eflags masks */
103 #define CC_C 0x0001
104 #define CC_P 0x0004
105 #define CC_A 0x0010
106 #define CC_Z 0x0040
107 #define CC_S 0x0080
108 #define CC_O 0x0800
110 #define TF_SHIFT 8
111 #define IOPL_SHIFT 12
112 #define VM_SHIFT 17
114 #define TF_MASK 0x00000100
115 #define IF_MASK 0x00000200
116 #define DF_MASK 0x00000400
117 #define IOPL_MASK 0x00003000
118 #define NT_MASK 0x00004000
119 #define RF_MASK 0x00010000
120 #define VM_MASK 0x00020000
121 #define AC_MASK 0x00040000
122 #define VIF_MASK 0x00080000
123 #define VIP_MASK 0x00100000
124 #define ID_MASK 0x00200000
126 /* hidden flags - used internally by qemu to represent additional cpu
127 states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We
128 avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
129 positions to ease oring with eflags. */
130 /* current cpl */
131 #define HF_CPL_SHIFT 0
132 /* true if soft mmu is being used */
133 #define HF_SOFTMMU_SHIFT 2
134 /* true if hardware interrupts must be disabled for next instruction */
135 #define HF_INHIBIT_IRQ_SHIFT 3
136 /* 16 or 32 segments */
137 #define HF_CS32_SHIFT 4
138 #define HF_SS32_SHIFT 5
139 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
140 #define HF_ADDSEG_SHIFT 6
141 /* copy of CR0.PE (protected mode) */
142 #define HF_PE_SHIFT 7
143 #define HF_TF_SHIFT 8 /* must be same as eflags */
144 #define HF_MP_SHIFT 9 /* the order must be MP, EM, TS */
145 #define HF_EM_SHIFT 10
146 #define HF_TS_SHIFT 11
147 #define HF_IOPL_SHIFT 12 /* must be same as eflags */
148 #define HF_LMA_SHIFT 14 /* only used on x86_64: long mode active */
149 #define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */
150 #define HF_RF_SHIFT 16 /* must be same as eflags */
151 #define HF_VM_SHIFT 17 /* must be same as eflags */
152 #define HF_AC_SHIFT 18 /* must be same as eflags */
153 #define HF_SMM_SHIFT 19 /* CPU in SMM mode */
154 #define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */
155 #define HF_SVMI_SHIFT 21 /* SVM intercepts are active */
156 #define HF_OSFXSR_SHIFT 22 /* CR4.OSFXSR */
157 #define HF_SMAP_SHIFT 23 /* CR4.SMAP */
159 #define HF_CPL_MASK (3 << HF_CPL_SHIFT)
160 #define HF_SOFTMMU_MASK (1 << HF_SOFTMMU_SHIFT)
161 #define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT)
162 #define HF_CS32_MASK (1 << HF_CS32_SHIFT)
163 #define HF_SS32_MASK (1 << HF_SS32_SHIFT)
164 #define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT)
165 #define HF_PE_MASK (1 << HF_PE_SHIFT)
166 #define HF_TF_MASK (1 << HF_TF_SHIFT)
167 #define HF_MP_MASK (1 << HF_MP_SHIFT)
168 #define HF_EM_MASK (1 << HF_EM_SHIFT)
169 #define HF_TS_MASK (1 << HF_TS_SHIFT)
170 #define HF_IOPL_MASK (3 << HF_IOPL_SHIFT)
171 #define HF_LMA_MASK (1 << HF_LMA_SHIFT)
172 #define HF_CS64_MASK (1 << HF_CS64_SHIFT)
173 #define HF_RF_MASK (1 << HF_RF_SHIFT)
174 #define HF_VM_MASK (1 << HF_VM_SHIFT)
175 #define HF_AC_MASK (1 << HF_AC_SHIFT)
176 #define HF_SMM_MASK (1 << HF_SMM_SHIFT)
177 #define HF_SVME_MASK (1 << HF_SVME_SHIFT)
178 #define HF_SVMI_MASK (1 << HF_SVMI_SHIFT)
179 #define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT)
180 #define HF_SMAP_MASK (1 << HF_SMAP_SHIFT)
182 /* hflags2 */
184 #define HF2_GIF_SHIFT 0 /* if set CPU takes interrupts */
185 #define HF2_HIF_SHIFT 1 /* value of IF_MASK when entering SVM */
186 #define HF2_NMI_SHIFT 2 /* CPU serving NMI */
187 #define HF2_VINTR_SHIFT 3 /* value of V_INTR_MASKING bit */
189 #define HF2_GIF_MASK (1 << HF2_GIF_SHIFT)
190 #define HF2_HIF_MASK (1 << HF2_HIF_SHIFT)
191 #define HF2_NMI_MASK (1 << HF2_NMI_SHIFT)
192 #define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT)
194 #define CR0_PE_SHIFT 0
195 #define CR0_MP_SHIFT 1
197 #define CR0_PE_MASK (1U << 0)
198 #define CR0_MP_MASK (1U << 1)
199 #define CR0_EM_MASK (1U << 2)
200 #define CR0_TS_MASK (1U << 3)
201 #define CR0_ET_MASK (1U << 4)
202 #define CR0_NE_MASK (1U << 5)
203 #define CR0_WP_MASK (1U << 16)
204 #define CR0_AM_MASK (1U << 18)
205 #define CR0_PG_MASK (1U << 31)
207 #define CR4_VME_MASK (1U << 0)
208 #define CR4_PVI_MASK (1U << 1)
209 #define CR4_TSD_MASK (1U << 2)
210 #define CR4_DE_MASK (1U << 3)
211 #define CR4_PSE_MASK (1U << 4)
212 #define CR4_PAE_MASK (1U << 5)
213 #define CR4_MCE_MASK (1U << 6)
214 #define CR4_PGE_MASK (1U << 7)
215 #define CR4_PCE_MASK (1U << 8)
216 #define CR4_OSFXSR_SHIFT 9
217 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
218 #define CR4_OSXMMEXCPT_MASK (1U << 10)
219 #define CR4_VMXE_MASK (1U << 13)
220 #define CR4_SMXE_MASK (1U << 14)
221 #define CR4_FSGSBASE_MASK (1U << 16)
222 #define CR4_PCIDE_MASK (1U << 17)
223 #define CR4_OSXSAVE_MASK (1U << 18)
224 #define CR4_SMEP_MASK (1U << 20)
225 #define CR4_SMAP_MASK (1U << 21)
227 #define DR6_BD (1 << 13)
228 #define DR6_BS (1 << 14)
229 #define DR6_BT (1 << 15)
230 #define DR6_FIXED_1 0xffff0ff0
232 #define DR7_GD (1 << 13)
233 #define DR7_TYPE_SHIFT 16
234 #define DR7_LEN_SHIFT 18
235 #define DR7_FIXED_1 0x00000400
236 #define DR7_LOCAL_BP_MASK 0x55
237 #define DR7_MAX_BP 4
238 #define DR7_TYPE_BP_INST 0x0
239 #define DR7_TYPE_DATA_WR 0x1
240 #define DR7_TYPE_IO_RW 0x2
241 #define DR7_TYPE_DATA_RW 0x3
243 #define PG_PRESENT_BIT 0
244 #define PG_RW_BIT 1
245 #define PG_USER_BIT 2
246 #define PG_PWT_BIT 3
247 #define PG_PCD_BIT 4
248 #define PG_ACCESSED_BIT 5
249 #define PG_DIRTY_BIT 6
250 #define PG_PSE_BIT 7
251 #define PG_GLOBAL_BIT 8
252 #define PG_PSE_PAT_BIT 12
253 #define PG_NX_BIT 63
255 #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT)
256 #define PG_RW_MASK (1 << PG_RW_BIT)
257 #define PG_USER_MASK (1 << PG_USER_BIT)
258 #define PG_PWT_MASK (1 << PG_PWT_BIT)
259 #define PG_PCD_MASK (1 << PG_PCD_BIT)
260 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
261 #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT)
262 #define PG_PSE_MASK (1 << PG_PSE_BIT)
263 #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT)
264 #define PG_PSE_PAT_MASK (1 << PG_PSE_PAT_BIT)
265 #define PG_ADDRESS_MASK 0x000ffffffffff000LL
266 #define PG_HI_RSVD_MASK (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK)
267 #define PG_HI_USER_MASK 0x7ff0000000000000LL
268 #define PG_NX_MASK (1LL << PG_NX_BIT)
270 #define PG_ERROR_W_BIT 1
272 #define PG_ERROR_P_MASK 0x01
273 #define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT)
274 #define PG_ERROR_U_MASK 0x04
275 #define PG_ERROR_RSVD_MASK 0x08
276 #define PG_ERROR_I_D_MASK 0x10
278 #define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */
279 #define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */
281 #define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P)
282 #define MCE_BANKS_DEF 10
284 #define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */
285 #define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */
286 #define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */
288 #define MCI_STATUS_VAL (1ULL<<63) /* valid error */
289 #define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */
290 #define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */
291 #define MCI_STATUS_EN (1ULL<<60) /* error enabled */
292 #define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */
293 #define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */
294 #define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */
295 #define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */
296 #define MCI_STATUS_AR (1ULL<<55) /* Action required */
298 /* MISC register defines */
299 #define MCM_ADDR_SEGOFF 0 /* segment offset */
300 #define MCM_ADDR_LINEAR 1 /* linear address */
301 #define MCM_ADDR_PHYS 2 /* physical address */
302 #define MCM_ADDR_MEM 3 /* memory address */
303 #define MCM_ADDR_GENERIC 7 /* generic */
305 #define MSR_IA32_TSC 0x10
306 #define MSR_IA32_APICBASE 0x1b
307 #define MSR_IA32_APICBASE_BSP (1<<8)
308 #define MSR_IA32_APICBASE_ENABLE (1<<11)
309 #define MSR_IA32_APICBASE_BASE (0xfffff<<12)
310 #define MSR_IA32_FEATURE_CONTROL 0x0000003a
311 #define MSR_TSC_ADJUST 0x0000003b
312 #define MSR_IA32_TSCDEADLINE 0x6e0
314 #define MSR_P6_PERFCTR0 0xc1
316 #define MSR_MTRRcap 0xfe
317 #define MSR_MTRRcap_VCNT 8
318 #define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8)
319 #define MSR_MTRRcap_WC_SUPPORTED (1 << 10)
321 #define MSR_IA32_SYSENTER_CS 0x174
322 #define MSR_IA32_SYSENTER_ESP 0x175
323 #define MSR_IA32_SYSENTER_EIP 0x176
325 #define MSR_MCG_CAP 0x179
326 #define MSR_MCG_STATUS 0x17a
327 #define MSR_MCG_CTL 0x17b
329 #define MSR_P6_EVNTSEL0 0x186
331 #define MSR_IA32_PERF_STATUS 0x198
333 #define MSR_IA32_MISC_ENABLE 0x1a0
334 /* Indicates good rep/movs microcode on some processors: */
335 #define MSR_IA32_MISC_ENABLE_DEFAULT 1
337 #define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg))
338 #define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1)
340 #define MSR_MTRRfix64K_00000 0x250
341 #define MSR_MTRRfix16K_80000 0x258
342 #define MSR_MTRRfix16K_A0000 0x259
343 #define MSR_MTRRfix4K_C0000 0x268
344 #define MSR_MTRRfix4K_C8000 0x269
345 #define MSR_MTRRfix4K_D0000 0x26a
346 #define MSR_MTRRfix4K_D8000 0x26b
347 #define MSR_MTRRfix4K_E0000 0x26c
348 #define MSR_MTRRfix4K_E8000 0x26d
349 #define MSR_MTRRfix4K_F0000 0x26e
350 #define MSR_MTRRfix4K_F8000 0x26f
352 #define MSR_PAT 0x277
354 #define MSR_MTRRdefType 0x2ff
356 #define MSR_CORE_PERF_FIXED_CTR0 0x309
357 #define MSR_CORE_PERF_FIXED_CTR1 0x30a
358 #define MSR_CORE_PERF_FIXED_CTR2 0x30b
359 #define MSR_CORE_PERF_FIXED_CTR_CTRL 0x38d
360 #define MSR_CORE_PERF_GLOBAL_STATUS 0x38e
361 #define MSR_CORE_PERF_GLOBAL_CTRL 0x38f
362 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL 0x390
364 #define MSR_MC0_CTL 0x400
365 #define MSR_MC0_STATUS 0x401
366 #define MSR_MC0_ADDR 0x402
367 #define MSR_MC0_MISC 0x403
369 #define MSR_EFER 0xc0000080
371 #define MSR_EFER_SCE (1 << 0)
372 #define MSR_EFER_LME (1 << 8)
373 #define MSR_EFER_LMA (1 << 10)
374 #define MSR_EFER_NXE (1 << 11)
375 #define MSR_EFER_SVME (1 << 12)
376 #define MSR_EFER_FFXSR (1 << 14)
378 #define MSR_STAR 0xc0000081
379 #define MSR_LSTAR 0xc0000082
380 #define MSR_CSTAR 0xc0000083
381 #define MSR_FMASK 0xc0000084
382 #define MSR_FSBASE 0xc0000100
383 #define MSR_GSBASE 0xc0000101
384 #define MSR_KERNELGSBASE 0xc0000102
385 #define MSR_TSC_AUX 0xc0000103
387 #define MSR_VM_HSAVE_PA 0xc0010117
389 #define MSR_IA32_BNDCFGS 0x00000d90
391 #define XSTATE_FP (1ULL << 0)
392 #define XSTATE_SSE (1ULL << 1)
393 #define XSTATE_YMM (1ULL << 2)
394 #define XSTATE_BNDREGS (1ULL << 3)
395 #define XSTATE_BNDCSR (1ULL << 4)
398 /* CPUID feature words */
399 typedef enum FeatureWord {
400 FEAT_1_EDX, /* CPUID[1].EDX */
401 FEAT_1_ECX, /* CPUID[1].ECX */
402 FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */
403 FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
404 FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
405 FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
406 FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
407 FEAT_KVM, /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
408 FEAT_SVM, /* CPUID[8000_000A].EDX */
409 FEATURE_WORDS,
410 } FeatureWord;
412 typedef uint32_t FeatureWordArray[FEATURE_WORDS];
414 /* cpuid_features bits */
415 #define CPUID_FP87 (1U << 0)
416 #define CPUID_VME (1U << 1)
417 #define CPUID_DE (1U << 2)
418 #define CPUID_PSE (1U << 3)
419 #define CPUID_TSC (1U << 4)
420 #define CPUID_MSR (1U << 5)
421 #define CPUID_PAE (1U << 6)
422 #define CPUID_MCE (1U << 7)
423 #define CPUID_CX8 (1U << 8)
424 #define CPUID_APIC (1U << 9)
425 #define CPUID_SEP (1U << 11) /* sysenter/sysexit */
426 #define CPUID_MTRR (1U << 12)
427 #define CPUID_PGE (1U << 13)
428 #define CPUID_MCA (1U << 14)
429 #define CPUID_CMOV (1U << 15)
430 #define CPUID_PAT (1U << 16)
431 #define CPUID_PSE36 (1U << 17)
432 #define CPUID_PN (1U << 18)
433 #define CPUID_CLFLUSH (1U << 19)
434 #define CPUID_DTS (1U << 21)
435 #define CPUID_ACPI (1U << 22)
436 #define CPUID_MMX (1U << 23)
437 #define CPUID_FXSR (1U << 24)
438 #define CPUID_SSE (1U << 25)
439 #define CPUID_SSE2 (1U << 26)
440 #define CPUID_SS (1U << 27)
441 #define CPUID_HT (1U << 28)
442 #define CPUID_TM (1U << 29)
443 #define CPUID_IA64 (1U << 30)
444 #define CPUID_PBE (1U << 31)
446 #define CPUID_EXT_SSE3 (1U << 0)
447 #define CPUID_EXT_PCLMULQDQ (1U << 1)
448 #define CPUID_EXT_DTES64 (1U << 2)
449 #define CPUID_EXT_MONITOR (1U << 3)
450 #define CPUID_EXT_DSCPL (1U << 4)
451 #define CPUID_EXT_VMX (1U << 5)
452 #define CPUID_EXT_SMX (1U << 6)
453 #define CPUID_EXT_EST (1U << 7)
454 #define CPUID_EXT_TM2 (1U << 8)
455 #define CPUID_EXT_SSSE3 (1U << 9)
456 #define CPUID_EXT_CID (1U << 10)
457 #define CPUID_EXT_FMA (1U << 12)
458 #define CPUID_EXT_CX16 (1U << 13)
459 #define CPUID_EXT_XTPR (1U << 14)
460 #define CPUID_EXT_PDCM (1U << 15)
461 #define CPUID_EXT_PCID (1U << 17)
462 #define CPUID_EXT_DCA (1U << 18)
463 #define CPUID_EXT_SSE41 (1U << 19)
464 #define CPUID_EXT_SSE42 (1U << 20)
465 #define CPUID_EXT_X2APIC (1U << 21)
466 #define CPUID_EXT_MOVBE (1U << 22)
467 #define CPUID_EXT_POPCNT (1U << 23)
468 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
469 #define CPUID_EXT_AES (1U << 25)
470 #define CPUID_EXT_XSAVE (1U << 26)
471 #define CPUID_EXT_OSXSAVE (1U << 27)
472 #define CPUID_EXT_AVX (1U << 28)
473 #define CPUID_EXT_F16C (1U << 29)
474 #define CPUID_EXT_RDRAND (1U << 30)
475 #define CPUID_EXT_HYPERVISOR (1U << 31)
477 #define CPUID_EXT2_FPU (1U << 0)
478 #define CPUID_EXT2_VME (1U << 1)
479 #define CPUID_EXT2_DE (1U << 2)
480 #define CPUID_EXT2_PSE (1U << 3)
481 #define CPUID_EXT2_TSC (1U << 4)
482 #define CPUID_EXT2_MSR (1U << 5)
483 #define CPUID_EXT2_PAE (1U << 6)
484 #define CPUID_EXT2_MCE (1U << 7)
485 #define CPUID_EXT2_CX8 (1U << 8)
486 #define CPUID_EXT2_APIC (1U << 9)
487 #define CPUID_EXT2_SYSCALL (1U << 11)
488 #define CPUID_EXT2_MTRR (1U << 12)
489 #define CPUID_EXT2_PGE (1U << 13)
490 #define CPUID_EXT2_MCA (1U << 14)
491 #define CPUID_EXT2_CMOV (1U << 15)
492 #define CPUID_EXT2_PAT (1U << 16)
493 #define CPUID_EXT2_PSE36 (1U << 17)
494 #define CPUID_EXT2_MP (1U << 19)
495 #define CPUID_EXT2_NX (1U << 20)
496 #define CPUID_EXT2_MMXEXT (1U << 22)
497 #define CPUID_EXT2_MMX (1U << 23)
498 #define CPUID_EXT2_FXSR (1U << 24)
499 #define CPUID_EXT2_FFXSR (1U << 25)
500 #define CPUID_EXT2_PDPE1GB (1U << 26)
501 #define CPUID_EXT2_RDTSCP (1U << 27)
502 #define CPUID_EXT2_LM (1U << 29)
503 #define CPUID_EXT2_3DNOWEXT (1U << 30)
504 #define CPUID_EXT2_3DNOW (1U << 31)
506 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
507 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
508 CPUID_EXT2_DE | CPUID_EXT2_PSE | \
509 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
510 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
511 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
512 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
513 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
514 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
515 CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
517 #define CPUID_EXT3_LAHF_LM (1U << 0)
518 #define CPUID_EXT3_CMP_LEG (1U << 1)
519 #define CPUID_EXT3_SVM (1U << 2)
520 #define CPUID_EXT3_EXTAPIC (1U << 3)
521 #define CPUID_EXT3_CR8LEG (1U << 4)
522 #define CPUID_EXT3_ABM (1U << 5)
523 #define CPUID_EXT3_SSE4A (1U << 6)
524 #define CPUID_EXT3_MISALIGNSSE (1U << 7)
525 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
526 #define CPUID_EXT3_OSVW (1U << 9)
527 #define CPUID_EXT3_IBS (1U << 10)
528 #define CPUID_EXT3_XOP (1U << 11)
529 #define CPUID_EXT3_SKINIT (1U << 12)
530 #define CPUID_EXT3_WDT (1U << 13)
531 #define CPUID_EXT3_LWP (1U << 15)
532 #define CPUID_EXT3_FMA4 (1U << 16)
533 #define CPUID_EXT3_TCE (1U << 17)
534 #define CPUID_EXT3_NODEID (1U << 19)
535 #define CPUID_EXT3_TBM (1U << 21)
536 #define CPUID_EXT3_TOPOEXT (1U << 22)
537 #define CPUID_EXT3_PERFCORE (1U << 23)
538 #define CPUID_EXT3_PERFNB (1U << 24)
540 #define CPUID_SVM_NPT (1U << 0)
541 #define CPUID_SVM_LBRV (1U << 1)
542 #define CPUID_SVM_SVMLOCK (1U << 2)
543 #define CPUID_SVM_NRIPSAVE (1U << 3)
544 #define CPUID_SVM_TSCSCALE (1U << 4)
545 #define CPUID_SVM_VMCBCLEAN (1U << 5)
546 #define CPUID_SVM_FLUSHASID (1U << 6)
547 #define CPUID_SVM_DECODEASSIST (1U << 7)
548 #define CPUID_SVM_PAUSEFILTER (1U << 10)
549 #define CPUID_SVM_PFTHRESHOLD (1U << 12)
551 #define CPUID_7_0_EBX_FSGSBASE (1U << 0)
552 #define CPUID_7_0_EBX_BMI1 (1U << 3)
553 #define CPUID_7_0_EBX_HLE (1U << 4)
554 #define CPUID_7_0_EBX_AVX2 (1U << 5)
555 #define CPUID_7_0_EBX_SMEP (1U << 7)
556 #define CPUID_7_0_EBX_BMI2 (1U << 8)
557 #define CPUID_7_0_EBX_ERMS (1U << 9)
558 #define CPUID_7_0_EBX_INVPCID (1U << 10)
559 #define CPUID_7_0_EBX_RTM (1U << 11)
560 #define CPUID_7_0_EBX_MPX (1U << 14)
561 #define CPUID_7_0_EBX_RDSEED (1U << 18)
562 #define CPUID_7_0_EBX_ADX (1U << 19)
563 #define CPUID_7_0_EBX_SMAP (1U << 20)
565 /* CPUID[0x80000007].EDX flags: */
566 #define CPUID_APM_INVTSC (1U << 8)
568 #define CPUID_VENDOR_SZ 12
570 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
571 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
572 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
573 #define CPUID_VENDOR_INTEL "GenuineIntel"
575 #define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */
576 #define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */
577 #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */
578 #define CPUID_VENDOR_AMD "AuthenticAMD"
580 #define CPUID_VENDOR_VIA "CentaurHauls"
582 #define CPUID_MWAIT_IBE (1U << 1) /* Interrupts can exit capability */
583 #define CPUID_MWAIT_EMX (1U << 0) /* enumeration supported */
585 #ifndef HYPERV_SPINLOCK_NEVER_RETRY
586 #define HYPERV_SPINLOCK_NEVER_RETRY 0xFFFFFFFF
587 #endif
589 #define EXCP00_DIVZ 0
590 #define EXCP01_DB 1
591 #define EXCP02_NMI 2
592 #define EXCP03_INT3 3
593 #define EXCP04_INTO 4
594 #define EXCP05_BOUND 5
595 #define EXCP06_ILLOP 6
596 #define EXCP07_PREX 7
597 #define EXCP08_DBLE 8
598 #define EXCP09_XERR 9
599 #define EXCP0A_TSS 10
600 #define EXCP0B_NOSEG 11
601 #define EXCP0C_STACK 12
602 #define EXCP0D_GPF 13
603 #define EXCP0E_PAGE 14
604 #define EXCP10_COPR 16
605 #define EXCP11_ALGN 17
606 #define EXCP12_MCHK 18
608 #define EXCP_SYSCALL 0x100 /* only happens in user only emulation
609 for syscall instruction */
611 /* i386-specific interrupt pending bits. */
612 #define CPU_INTERRUPT_POLL CPU_INTERRUPT_TGT_EXT_1
613 #define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2
614 #define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3
615 #define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4
616 #define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0
617 #define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_1
618 #define CPU_INTERRUPT_TPR CPU_INTERRUPT_TGT_INT_2
620 /* Use a clearer name for this. */
621 #define CPU_INTERRUPT_INIT CPU_INTERRUPT_RESET
623 typedef enum {
624 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
625 CC_OP_EFLAGS, /* all cc are explicitly computed, CC_SRC = flags */
627 CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
628 CC_OP_MULW,
629 CC_OP_MULL,
630 CC_OP_MULQ,
632 CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
633 CC_OP_ADDW,
634 CC_OP_ADDL,
635 CC_OP_ADDQ,
637 CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
638 CC_OP_ADCW,
639 CC_OP_ADCL,
640 CC_OP_ADCQ,
642 CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
643 CC_OP_SUBW,
644 CC_OP_SUBL,
645 CC_OP_SUBQ,
647 CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
648 CC_OP_SBBW,
649 CC_OP_SBBL,
650 CC_OP_SBBQ,
652 CC_OP_LOGICB, /* modify all flags, CC_DST = res */
653 CC_OP_LOGICW,
654 CC_OP_LOGICL,
655 CC_OP_LOGICQ,
657 CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
658 CC_OP_INCW,
659 CC_OP_INCL,
660 CC_OP_INCQ,
662 CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */
663 CC_OP_DECW,
664 CC_OP_DECL,
665 CC_OP_DECQ,
667 CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
668 CC_OP_SHLW,
669 CC_OP_SHLL,
670 CC_OP_SHLQ,
672 CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
673 CC_OP_SARW,
674 CC_OP_SARL,
675 CC_OP_SARQ,
677 CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
678 CC_OP_BMILGW,
679 CC_OP_BMILGL,
680 CC_OP_BMILGQ,
682 CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest. */
683 CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest. */
684 CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest. */
686 CC_OP_CLR, /* Z set, all other flags clear. */
688 CC_OP_NB,
689 } CCOp;
691 typedef struct SegmentCache {
692 uint32_t selector;
693 target_ulong base;
694 uint32_t limit;
695 uint32_t flags;
696 } SegmentCache;
698 typedef union {
699 uint8_t _b[16];
700 uint16_t _w[8];
701 uint32_t _l[4];
702 uint64_t _q[2];
703 float32 _s[4];
704 float64 _d[2];
705 } XMMReg;
707 typedef union {
708 uint8_t _b[8];
709 uint16_t _w[4];
710 uint32_t _l[2];
711 float32 _s[2];
712 uint64_t q;
713 } MMXReg;
715 typedef struct BNDReg {
716 uint64_t lb;
717 uint64_t ub;
718 } BNDReg;
720 typedef struct BNDCSReg {
721 uint64_t cfgu;
722 uint64_t sts;
723 } BNDCSReg;
725 #ifdef HOST_WORDS_BIGENDIAN
726 #define XMM_B(n) _b[15 - (n)]
727 #define XMM_W(n) _w[7 - (n)]
728 #define XMM_L(n) _l[3 - (n)]
729 #define XMM_S(n) _s[3 - (n)]
730 #define XMM_Q(n) _q[1 - (n)]
731 #define XMM_D(n) _d[1 - (n)]
733 #define MMX_B(n) _b[7 - (n)]
734 #define MMX_W(n) _w[3 - (n)]
735 #define MMX_L(n) _l[1 - (n)]
736 #define MMX_S(n) _s[1 - (n)]
737 #else
738 #define XMM_B(n) _b[n]
739 #define XMM_W(n) _w[n]
740 #define XMM_L(n) _l[n]
741 #define XMM_S(n) _s[n]
742 #define XMM_Q(n) _q[n]
743 #define XMM_D(n) _d[n]
745 #define MMX_B(n) _b[n]
746 #define MMX_W(n) _w[n]
747 #define MMX_L(n) _l[n]
748 #define MMX_S(n) _s[n]
749 #endif
750 #define MMX_Q(n) q
752 typedef union {
753 floatx80 d __attribute__((aligned(16)));
754 MMXReg mmx;
755 } FPReg;
757 typedef struct {
758 uint64_t base;
759 uint64_t mask;
760 } MTRRVar;
762 #define CPU_NB_REGS64 16
763 #define CPU_NB_REGS32 8
765 #ifdef TARGET_X86_64
766 #define CPU_NB_REGS CPU_NB_REGS64
767 #else
768 #define CPU_NB_REGS CPU_NB_REGS32
769 #endif
771 #define MAX_FIXED_COUNTERS 3
772 #define MAX_GP_COUNTERS (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
774 #define NB_MMU_MODES 3
776 typedef enum TPRAccess {
777 TPR_ACCESS_READ,
778 TPR_ACCESS_WRITE,
779 } TPRAccess;
781 typedef struct CPUX86State {
782 /* standard registers */
783 target_ulong regs[CPU_NB_REGS];
784 target_ulong eip;
785 target_ulong eflags; /* eflags register. During CPU emulation, CC
786 flags and DF are set to zero because they are
787 stored elsewhere */
789 /* emulator internal eflags handling */
790 target_ulong cc_dst;
791 target_ulong cc_src;
792 target_ulong cc_src2;
793 uint32_t cc_op;
794 int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
795 uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
796 are known at translation time. */
797 uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
799 /* segments */
800 SegmentCache segs[6]; /* selector values */
801 SegmentCache ldt;
802 SegmentCache tr;
803 SegmentCache gdt; /* only base and limit are used */
804 SegmentCache idt; /* only base and limit are used */
806 target_ulong cr[5]; /* NOTE: cr1 is unused */
807 int32_t a20_mask;
809 BNDReg bnd_regs[4];
810 BNDCSReg bndcs_regs;
811 uint64_t msr_bndcfgs;
813 /* Beginning of state preserved by INIT (dummy marker). */
814 struct {} start_init_save;
816 /* FPU state */
817 unsigned int fpstt; /* top of stack index */
818 uint16_t fpus;
819 uint16_t fpuc;
820 uint8_t fptags[8]; /* 0 = valid, 1 = empty */
821 FPReg fpregs[8];
822 /* KVM-only so far */
823 uint16_t fpop;
824 uint64_t fpip;
825 uint64_t fpdp;
827 /* emulator internal variables */
828 float_status fp_status;
829 floatx80 ft0;
831 float_status mmx_status; /* for 3DNow! float ops */
832 float_status sse_status;
833 uint32_t mxcsr;
834 XMMReg xmm_regs[CPU_NB_REGS];
835 XMMReg xmm_t0;
836 MMXReg mmx_t0;
838 XMMReg ymmh_regs[CPU_NB_REGS];
840 /* sysenter registers */
841 uint32_t sysenter_cs;
842 target_ulong sysenter_esp;
843 target_ulong sysenter_eip;
844 uint64_t efer;
845 uint64_t star;
847 uint64_t vm_hsave;
849 #ifdef TARGET_X86_64
850 target_ulong lstar;
851 target_ulong cstar;
852 target_ulong fmask;
853 target_ulong kernelgsbase;
854 #endif
856 uint64_t tsc;
857 uint64_t tsc_adjust;
858 uint64_t tsc_deadline;
860 uint64_t mcg_status;
861 uint64_t msr_ia32_misc_enable;
862 uint64_t msr_ia32_feature_control;
864 uint64_t msr_fixed_ctr_ctrl;
865 uint64_t msr_global_ctrl;
866 uint64_t msr_global_status;
867 uint64_t msr_global_ovf_ctrl;
868 uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
869 uint64_t msr_gp_counters[MAX_GP_COUNTERS];
870 uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
872 uint64_t pat;
873 uint32_t smbase;
875 /* End of state preserved by INIT (dummy marker). */
876 struct {} end_init_save;
878 uint64_t system_time_msr;
879 uint64_t wall_clock_msr;
880 uint64_t steal_time_msr;
881 uint64_t async_pf_en_msr;
882 uint64_t pv_eoi_en_msr;
884 uint64_t msr_hv_hypercall;
885 uint64_t msr_hv_guest_os_id;
886 uint64_t msr_hv_vapic;
887 uint64_t msr_hv_tsc;
889 /* exception/interrupt handling */
890 int error_code;
891 int exception_is_int;
892 target_ulong exception_next_eip;
893 target_ulong dr[8]; /* debug registers */
894 union {
895 struct CPUBreakpoint *cpu_breakpoint[4];
896 struct CPUWatchpoint *cpu_watchpoint[4];
897 }; /* break/watchpoints for dr[0..3] */
898 int old_exception; /* exception in flight */
900 uint64_t vm_vmcb;
901 uint64_t tsc_offset;
902 uint64_t intercept;
903 uint16_t intercept_cr_read;
904 uint16_t intercept_cr_write;
905 uint16_t intercept_dr_read;
906 uint16_t intercept_dr_write;
907 uint32_t intercept_exceptions;
908 uint8_t v_tpr;
910 /* KVM states, automatically cleared on reset */
911 uint8_t nmi_injected;
912 uint8_t nmi_pending;
914 CPU_COMMON
916 /* Fields from here on are preserved across CPU reset. */
918 /* processor features (e.g. for CPUID insn) */
919 uint32_t cpuid_level;
920 uint32_t cpuid_xlevel;
921 uint32_t cpuid_xlevel2;
922 uint32_t cpuid_vendor1;
923 uint32_t cpuid_vendor2;
924 uint32_t cpuid_vendor3;
925 uint32_t cpuid_version;
926 FeatureWordArray features;
927 uint32_t cpuid_model[12];
928 uint32_t cpuid_apic_id;
930 /* MTRRs */
931 uint64_t mtrr_fixed[11];
932 uint64_t mtrr_deftype;
933 MTRRVar mtrr_var[8];
935 /* For KVM */
936 uint32_t mp_state;
937 int32_t exception_injected;
938 int32_t interrupt_injected;
939 uint8_t soft_interrupt;
940 uint8_t has_error_code;
941 uint32_t sipi_vector;
942 bool tsc_valid;
943 int tsc_khz;
944 void *kvm_xsave_buf;
946 uint64_t mcg_cap;
947 uint64_t mcg_ctl;
948 uint64_t mce_banks[MCE_BANKS_DEF*4];
950 uint64_t tsc_aux;
952 /* vmstate */
953 uint16_t fpus_vmstate;
954 uint16_t fptag_vmstate;
955 uint16_t fpregs_format_vmstate;
956 uint64_t xstate_bv;
958 uint64_t xcr0;
960 TPRAccess tpr_access_type;
961 } CPUX86State;
963 #include "cpu-qom.h"
965 X86CPU *cpu_x86_init(const char *cpu_model);
966 X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,
967 Error **errp);
968 int cpu_x86_exec(CPUX86State *s);
969 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf);
970 void x86_cpudef_setup(void);
971 int cpu_x86_support_mca_broadcast(CPUX86State *env);
973 int cpu_get_pic_interrupt(CPUX86State *s);
974 /* MSDOS compatibility mode FPU exception support */
975 void cpu_set_ferr(CPUX86State *s);
977 /* this function must always be used to load data in the segment
978 cache: it synchronizes the hflags with the segment cache values */
979 static inline void cpu_x86_load_seg_cache(CPUX86State *env,
980 int seg_reg, unsigned int selector,
981 target_ulong base,
982 unsigned int limit,
983 unsigned int flags)
985 SegmentCache *sc;
986 unsigned int new_hflags;
988 sc = &env->segs[seg_reg];
989 sc->selector = selector;
990 sc->base = base;
991 sc->limit = limit;
992 sc->flags = flags;
994 /* update the hidden flags */
996 if (seg_reg == R_CS) {
997 #ifdef TARGET_X86_64
998 if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
999 /* long mode */
1000 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
1001 env->hflags &= ~(HF_ADDSEG_MASK);
1002 } else
1003 #endif
1005 /* legacy / compatibility case */
1006 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
1007 >> (DESC_B_SHIFT - HF_CS32_SHIFT);
1008 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
1009 new_hflags;
1012 if (seg_reg == R_SS) {
1013 int cpl = (flags >> DESC_DPL_SHIFT) & 3;
1014 #if HF_CPL_MASK != 3
1015 #error HF_CPL_MASK is hardcoded
1016 #endif
1017 env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
1019 new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
1020 >> (DESC_B_SHIFT - HF_SS32_SHIFT);
1021 if (env->hflags & HF_CS64_MASK) {
1022 /* zero base assumed for DS, ES and SS in long mode */
1023 } else if (!(env->cr[0] & CR0_PE_MASK) ||
1024 (env->eflags & VM_MASK) ||
1025 !(env->hflags & HF_CS32_MASK)) {
1026 /* XXX: try to avoid this test. The problem comes from the
1027 fact that is real mode or vm86 mode we only modify the
1028 'base' and 'selector' fields of the segment cache to go
1029 faster. A solution may be to force addseg to one in
1030 translate-i386.c. */
1031 new_hflags |= HF_ADDSEG_MASK;
1032 } else {
1033 new_hflags |= ((env->segs[R_DS].base |
1034 env->segs[R_ES].base |
1035 env->segs[R_SS].base) != 0) <<
1036 HF_ADDSEG_SHIFT;
1038 env->hflags = (env->hflags &
1039 ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
1043 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
1044 int sipi_vector)
1046 CPUState *cs = CPU(cpu);
1047 CPUX86State *env = &cpu->env;
1049 env->eip = 0;
1050 cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
1051 sipi_vector << 12,
1052 env->segs[R_CS].limit,
1053 env->segs[R_CS].flags);
1054 cs->halted = 0;
1057 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
1058 target_ulong *base, unsigned int *limit,
1059 unsigned int *flags);
1061 /* op_helper.c */
1062 /* used for debug or cpu save/restore */
1063 void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f);
1064 floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper);
1066 /* cpu-exec.c */
1067 /* the following helpers are only usable in user mode simulation as
1068 they can trigger unexpected exceptions */
1069 void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
1070 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
1071 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1073 /* you can call this signal handler from your SIGBUS and SIGSEGV
1074 signal handlers to inform the virtual CPU of exceptions. non zero
1075 is returned if the signal was handled by the virtual CPU. */
1076 int cpu_x86_signal_handler(int host_signum, void *pinfo,
1077 void *puc);
1079 /* cpuid.c */
1080 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1081 uint32_t *eax, uint32_t *ebx,
1082 uint32_t *ecx, uint32_t *edx);
1083 void cpu_clear_apic_feature(CPUX86State *env);
1084 void host_cpuid(uint32_t function, uint32_t count,
1085 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1087 /* helper.c */
1088 int x86_cpu_handle_mmu_fault(CPUState *cpu, vaddr addr,
1089 int is_write, int mmu_idx);
1090 void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1092 static inline bool hw_local_breakpoint_enabled(unsigned long dr7, int index)
1094 return (dr7 >> (index * 2)) & 1;
1097 static inline bool hw_global_breakpoint_enabled(unsigned long dr7, int index)
1099 return (dr7 >> (index * 2)) & 2;
1102 static inline bool hw_breakpoint_enabled(unsigned long dr7, int index)
1104 return hw_global_breakpoint_enabled(dr7, index) ||
1105 hw_local_breakpoint_enabled(dr7, index);
1108 static inline int hw_breakpoint_type(unsigned long dr7, int index)
1110 return (dr7 >> (DR7_TYPE_SHIFT + (index * 4))) & 3;
1113 static inline int hw_breakpoint_len(unsigned long dr7, int index)
1115 int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 4))) & 3);
1116 return (len == 2) ? 8 : len + 1;
1119 void hw_breakpoint_insert(CPUX86State *env, int index);
1120 void hw_breakpoint_remove(CPUX86State *env, int index);
1121 bool check_hw_breakpoints(CPUX86State *env, bool force_dr6_update);
1122 void breakpoint_handler(CPUX86State *env);
1124 /* will be suppressed */
1125 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1126 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1127 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1129 /* hw/pc.c */
1130 void cpu_smm_update(CPUX86State *env);
1131 uint64_t cpu_get_tsc(CPUX86State *env);
1133 #define TARGET_PAGE_BITS 12
1135 #ifdef TARGET_X86_64
1136 #define TARGET_PHYS_ADDR_SPACE_BITS 52
1137 /* ??? This is really 48 bits, sign-extended, but the only thing
1138 accessible to userland with bit 48 set is the VSYSCALL, and that
1139 is handled via other mechanisms. */
1140 #define TARGET_VIRT_ADDR_SPACE_BITS 47
1141 #else
1142 #define TARGET_PHYS_ADDR_SPACE_BITS 36
1143 #define TARGET_VIRT_ADDR_SPACE_BITS 32
1144 #endif
1146 /* XXX: This value should match the one returned by CPUID
1147 * and in exec.c */
1148 # if defined(TARGET_X86_64)
1149 # define PHYS_ADDR_MASK 0xffffffffffLL
1150 # else
1151 # define PHYS_ADDR_MASK 0xfffffffffLL
1152 # endif
1154 static inline CPUX86State *cpu_init(const char *cpu_model)
1156 X86CPU *cpu = cpu_x86_init(cpu_model);
1157 if (cpu == NULL) {
1158 return NULL;
1160 return &cpu->env;
1163 #define cpu_exec cpu_x86_exec
1164 #define cpu_gen_code cpu_x86_gen_code
1165 #define cpu_signal_handler cpu_x86_signal_handler
1166 #define cpu_list x86_cpu_list
1167 #define cpudef_setup x86_cpudef_setup
1169 /* MMU modes definitions */
1170 #define MMU_MODE0_SUFFIX _ksmap
1171 #define MMU_MODE1_SUFFIX _user
1172 #define MMU_MODE2_SUFFIX _knosmap /* SMAP disabled or CPL<3 && AC=1 */
1173 #define MMU_KSMAP_IDX 0
1174 #define MMU_USER_IDX 1
1175 #define MMU_KNOSMAP_IDX 2
1176 static inline int cpu_mmu_index(CPUX86State *env)
1178 return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1179 (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
1180 ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1183 static inline int cpu_mmu_index_kernel(CPUX86State *env)
1185 return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
1186 ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
1187 ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
1190 #define CC_DST (env->cc_dst)
1191 #define CC_SRC (env->cc_src)
1192 #define CC_SRC2 (env->cc_src2)
1193 #define CC_OP (env->cc_op)
1195 /* n must be a constant to be efficient */
1196 static inline target_long lshift(target_long x, int n)
1198 if (n >= 0) {
1199 return x << n;
1200 } else {
1201 return x >> (-n);
1205 /* float macros */
1206 #define FT0 (env->ft0)
1207 #define ST0 (env->fpregs[env->fpstt].d)
1208 #define ST(n) (env->fpregs[(env->fpstt + (n)) & 7].d)
1209 #define ST1 ST(1)
1211 /* translate.c */
1212 void optimize_flags_init(void);
1214 #include "exec/cpu-all.h"
1215 #include "svm.h"
1217 #if !defined(CONFIG_USER_ONLY)
1218 #include "hw/i386/apic.h"
1219 #endif
1221 #include "exec/exec-all.h"
1223 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
1224 target_ulong *cs_base, int *flags)
1226 *cs_base = env->segs[R_CS].base;
1227 *pc = *cs_base + env->eip;
1228 *flags = env->hflags |
1229 (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
1232 void do_cpu_init(X86CPU *cpu);
1233 void do_cpu_sipi(X86CPU *cpu);
1235 #define MCE_INJECT_BROADCAST 1
1236 #define MCE_INJECT_UNCOND_AO 2
1238 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
1239 uint64_t status, uint64_t mcg_status, uint64_t addr,
1240 uint64_t misc, int flags);
1242 /* excp_helper.c */
1243 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
1244 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
1245 int error_code);
1246 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
1247 int error_code, int next_eip_addend);
1249 /* cc_helper.c */
1250 extern const uint8_t parity_table[256];
1251 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
1253 static inline uint32_t cpu_compute_eflags(CPUX86State *env)
1255 return env->eflags | cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
1258 /* NOTE: the translator must set DisasContext.cc_op to CC_OP_EFLAGS
1259 * after generating a call to a helper that uses this.
1261 static inline void cpu_load_eflags(CPUX86State *env, int eflags,
1262 int update_mask)
1264 CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
1265 CC_OP = CC_OP_EFLAGS;
1266 env->df = 1 - (2 * ((eflags >> 10) & 1));
1267 env->eflags = (env->eflags & ~update_mask) |
1268 (eflags & update_mask) | 0x2;
1271 /* load efer and update the corresponding hflags. XXX: do consistency
1272 checks with cpuid bits? */
1273 static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
1275 env->efer = val;
1276 env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
1277 if (env->efer & MSR_EFER_LMA) {
1278 env->hflags |= HF_LMA_MASK;
1280 if (env->efer & MSR_EFER_SVME) {
1281 env->hflags |= HF_SVME_MASK;
1285 /* fpu_helper.c */
1286 void cpu_set_mxcsr(CPUX86State *env, uint32_t val);
1288 /* svm_helper.c */
1289 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
1290 uint64_t param);
1291 void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1);
1293 /* seg_helper.c */
1294 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
1296 void do_smm_enter(X86CPU *cpu);
1298 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
1300 void x86_cpu_compat_set_features(const char *cpu_model, FeatureWord w,
1301 uint32_t feat_add, uint32_t feat_remove);
1303 void x86_cpu_compat_disable_kvm_features(FeatureWord w, uint32_t features);
1306 /* Return name of 32-bit register, from a R_* constant */
1307 const char *get_register_name_32(unsigned int reg);
1309 uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index);
1310 void enable_compat_apic_id_mode(void);
1312 #define APIC_DEFAULT_ADDRESS 0xfee00000
1313 #define APIC_SPACE_SIZE 0x100000
1315 #endif /* CPU_I386_H */