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2c0262af FB |
1 | /* |
2 | * i386 virtual CPU header | |
5fafdf24 | 3 | * |
2c0262af FB |
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, write to the Free Software | |
fad6cb1a | 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA |
2c0262af FB |
19 | */ |
20 | #ifndef CPU_I386_H | |
21 | #define CPU_I386_H | |
22 | ||
14ce26e7 FB |
23 | #include "config.h" |
24 | ||
25 | #ifdef TARGET_X86_64 | |
26 | #define TARGET_LONG_BITS 64 | |
27 | #else | |
3cf1e035 | 28 | #define TARGET_LONG_BITS 32 |
14ce26e7 | 29 | #endif |
3cf1e035 | 30 | |
d720b93d FB |
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 | ||
1fddef4b FB |
37 | #define TARGET_HAS_ICE 1 |
38 | ||
9042c0e2 TS |
39 | #ifdef TARGET_X86_64 |
40 | #define ELF_MACHINE EM_X86_64 | |
41 | #else | |
42 | #define ELF_MACHINE EM_386 | |
43 | #endif | |
44 | ||
2c0262af FB |
45 | #include "cpu-defs.h" |
46 | ||
7a0e1f41 FB |
47 | #include "softfloat.h" |
48 | ||
2c0262af FB |
49 | #define R_EAX 0 |
50 | #define R_ECX 1 | |
51 | #define R_EDX 2 | |
52 | #define R_EBX 3 | |
53 | #define R_ESP 4 | |
54 | #define R_EBP 5 | |
55 | #define R_ESI 6 | |
56 | #define R_EDI 7 | |
57 | ||
58 | #define R_AL 0 | |
59 | #define R_CL 1 | |
60 | #define R_DL 2 | |
61 | #define R_BL 3 | |
62 | #define R_AH 4 | |
63 | #define R_CH 5 | |
64 | #define R_DH 6 | |
65 | #define R_BH 7 | |
66 | ||
67 | #define R_ES 0 | |
68 | #define R_CS 1 | |
69 | #define R_SS 2 | |
70 | #define R_DS 3 | |
71 | #define R_FS 4 | |
72 | #define R_GS 5 | |
73 | ||
74 | /* segment descriptor fields */ | |
75 | #define DESC_G_MASK (1 << 23) | |
76 | #define DESC_B_SHIFT 22 | |
77 | #define DESC_B_MASK (1 << DESC_B_SHIFT) | |
14ce26e7 FB |
78 | #define DESC_L_SHIFT 21 /* x86_64 only : 64 bit code segment */ |
79 | #define DESC_L_MASK (1 << DESC_L_SHIFT) | |
2c0262af FB |
80 | #define DESC_AVL_MASK (1 << 20) |
81 | #define DESC_P_MASK (1 << 15) | |
82 | #define DESC_DPL_SHIFT 13 | |
0573fbfc | 83 | #define DESC_DPL_MASK (1 << DESC_DPL_SHIFT) |
2c0262af FB |
84 | #define DESC_S_MASK (1 << 12) |
85 | #define DESC_TYPE_SHIFT 8 | |
86 | #define DESC_A_MASK (1 << 8) | |
87 | ||
e670b89e FB |
88 | #define DESC_CS_MASK (1 << 11) /* 1=code segment 0=data segment */ |
89 | #define DESC_C_MASK (1 << 10) /* code: conforming */ | |
90 | #define DESC_R_MASK (1 << 9) /* code: readable */ | |
2c0262af | 91 | |
e670b89e FB |
92 | #define DESC_E_MASK (1 << 10) /* data: expansion direction */ |
93 | #define DESC_W_MASK (1 << 9) /* data: writable */ | |
94 | ||
95 | #define DESC_TSS_BUSY_MASK (1 << 9) | |
2c0262af FB |
96 | |
97 | /* eflags masks */ | |
98 | #define CC_C 0x0001 | |
99 | #define CC_P 0x0004 | |
100 | #define CC_A 0x0010 | |
101 | #define CC_Z 0x0040 | |
102 | #define CC_S 0x0080 | |
103 | #define CC_O 0x0800 | |
104 | ||
105 | #define TF_SHIFT 8 | |
106 | #define IOPL_SHIFT 12 | |
107 | #define VM_SHIFT 17 | |
108 | ||
109 | #define TF_MASK 0x00000100 | |
110 | #define IF_MASK 0x00000200 | |
111 | #define DF_MASK 0x00000400 | |
112 | #define IOPL_MASK 0x00003000 | |
113 | #define NT_MASK 0x00004000 | |
114 | #define RF_MASK 0x00010000 | |
115 | #define VM_MASK 0x00020000 | |
5fafdf24 | 116 | #define AC_MASK 0x00040000 |
2c0262af FB |
117 | #define VIF_MASK 0x00080000 |
118 | #define VIP_MASK 0x00100000 | |
119 | #define ID_MASK 0x00200000 | |
120 | ||
aa1f17c1 | 121 | /* hidden flags - used internally by qemu to represent additional cpu |
33c263df FB |
122 | states. Only the CPL, INHIBIT_IRQ, SMM and SVMI are not |
123 | redundant. We avoid using the IOPL_MASK, TF_MASK and VM_MASK bit | |
124 | position to ease oring with eflags. */ | |
2c0262af FB |
125 | /* current cpl */ |
126 | #define HF_CPL_SHIFT 0 | |
127 | /* true if soft mmu is being used */ | |
128 | #define HF_SOFTMMU_SHIFT 2 | |
129 | /* true if hardware interrupts must be disabled for next instruction */ | |
130 | #define HF_INHIBIT_IRQ_SHIFT 3 | |
131 | /* 16 or 32 segments */ | |
132 | #define HF_CS32_SHIFT 4 | |
133 | #define HF_SS32_SHIFT 5 | |
dc196a57 | 134 | /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */ |
2c0262af | 135 | #define HF_ADDSEG_SHIFT 6 |
65262d57 FB |
136 | /* copy of CR0.PE (protected mode) */ |
137 | #define HF_PE_SHIFT 7 | |
138 | #define HF_TF_SHIFT 8 /* must be same as eflags */ | |
7eee2a50 FB |
139 | #define HF_MP_SHIFT 9 /* the order must be MP, EM, TS */ |
140 | #define HF_EM_SHIFT 10 | |
141 | #define HF_TS_SHIFT 11 | |
65262d57 | 142 | #define HF_IOPL_SHIFT 12 /* must be same as eflags */ |
14ce26e7 FB |
143 | #define HF_LMA_SHIFT 14 /* only used on x86_64: long mode active */ |
144 | #define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */ | |
664e0f19 | 145 | #define HF_OSFXSR_SHIFT 16 /* CR4.OSFXSR */ |
65262d57 | 146 | #define HF_VM_SHIFT 17 /* must be same as eflags */ |
3b21e03e | 147 | #define HF_SMM_SHIFT 19 /* CPU in SMM mode */ |
db620f46 FB |
148 | #define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */ |
149 | #define HF_SVMI_SHIFT 21 /* SVM intercepts are active */ | |
2c0262af FB |
150 | |
151 | #define HF_CPL_MASK (3 << HF_CPL_SHIFT) | |
152 | #define HF_SOFTMMU_MASK (1 << HF_SOFTMMU_SHIFT) | |
153 | #define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT) | |
154 | #define HF_CS32_MASK (1 << HF_CS32_SHIFT) | |
155 | #define HF_SS32_MASK (1 << HF_SS32_SHIFT) | |
156 | #define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT) | |
65262d57 | 157 | #define HF_PE_MASK (1 << HF_PE_SHIFT) |
58fe2f10 | 158 | #define HF_TF_MASK (1 << HF_TF_SHIFT) |
7eee2a50 FB |
159 | #define HF_MP_MASK (1 << HF_MP_SHIFT) |
160 | #define HF_EM_MASK (1 << HF_EM_SHIFT) | |
161 | #define HF_TS_MASK (1 << HF_TS_SHIFT) | |
0650f1ab | 162 | #define HF_IOPL_MASK (3 << HF_IOPL_SHIFT) |
14ce26e7 FB |
163 | #define HF_LMA_MASK (1 << HF_LMA_SHIFT) |
164 | #define HF_CS64_MASK (1 << HF_CS64_SHIFT) | |
664e0f19 | 165 | #define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT) |
0650f1ab | 166 | #define HF_VM_MASK (1 << HF_VM_SHIFT) |
3b21e03e | 167 | #define HF_SMM_MASK (1 << HF_SMM_SHIFT) |
872929aa FB |
168 | #define HF_SVME_MASK (1 << HF_SVME_SHIFT) |
169 | #define HF_SVMI_MASK (1 << HF_SVMI_SHIFT) | |
2c0262af | 170 | |
db620f46 FB |
171 | /* hflags2 */ |
172 | ||
173 | #define HF2_GIF_SHIFT 0 /* if set CPU takes interrupts */ | |
174 | #define HF2_HIF_SHIFT 1 /* value of IF_MASK when entering SVM */ | |
175 | #define HF2_NMI_SHIFT 2 /* CPU serving NMI */ | |
176 | #define HF2_VINTR_SHIFT 3 /* value of V_INTR_MASKING bit */ | |
177 | ||
178 | #define HF2_GIF_MASK (1 << HF2_GIF_SHIFT) | |
179 | #define HF2_HIF_MASK (1 << HF2_HIF_SHIFT) | |
180 | #define HF2_NMI_MASK (1 << HF2_NMI_SHIFT) | |
181 | #define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT) | |
182 | ||
0650f1ab AL |
183 | #define CR0_PE_SHIFT 0 |
184 | #define CR0_MP_SHIFT 1 | |
185 | ||
2c0262af | 186 | #define CR0_PE_MASK (1 << 0) |
7eee2a50 FB |
187 | #define CR0_MP_MASK (1 << 1) |
188 | #define CR0_EM_MASK (1 << 2) | |
2c0262af | 189 | #define CR0_TS_MASK (1 << 3) |
2ee73ac3 | 190 | #define CR0_ET_MASK (1 << 4) |
7eee2a50 | 191 | #define CR0_NE_MASK (1 << 5) |
2c0262af FB |
192 | #define CR0_WP_MASK (1 << 16) |
193 | #define CR0_AM_MASK (1 << 18) | |
194 | #define CR0_PG_MASK (1 << 31) | |
195 | ||
196 | #define CR4_VME_MASK (1 << 0) | |
197 | #define CR4_PVI_MASK (1 << 1) | |
198 | #define CR4_TSD_MASK (1 << 2) | |
199 | #define CR4_DE_MASK (1 << 3) | |
200 | #define CR4_PSE_MASK (1 << 4) | |
64a595f2 FB |
201 | #define CR4_PAE_MASK (1 << 5) |
202 | #define CR4_PGE_MASK (1 << 7) | |
14ce26e7 | 203 | #define CR4_PCE_MASK (1 << 8) |
0650f1ab AL |
204 | #define CR4_OSFXSR_SHIFT 9 |
205 | #define CR4_OSFXSR_MASK (1 << CR4_OSFXSR_SHIFT) | |
14ce26e7 | 206 | #define CR4_OSXMMEXCPT_MASK (1 << 10) |
2c0262af | 207 | |
01df040b AL |
208 | #define DR6_BD (1 << 13) |
209 | #define DR6_BS (1 << 14) | |
210 | #define DR6_BT (1 << 15) | |
211 | #define DR6_FIXED_1 0xffff0ff0 | |
212 | ||
213 | #define DR7_GD (1 << 13) | |
214 | #define DR7_TYPE_SHIFT 16 | |
215 | #define DR7_LEN_SHIFT 18 | |
216 | #define DR7_FIXED_1 0x00000400 | |
217 | ||
2c0262af FB |
218 | #define PG_PRESENT_BIT 0 |
219 | #define PG_RW_BIT 1 | |
220 | #define PG_USER_BIT 2 | |
221 | #define PG_PWT_BIT 3 | |
222 | #define PG_PCD_BIT 4 | |
223 | #define PG_ACCESSED_BIT 5 | |
224 | #define PG_DIRTY_BIT 6 | |
225 | #define PG_PSE_BIT 7 | |
226 | #define PG_GLOBAL_BIT 8 | |
5cf38396 | 227 | #define PG_NX_BIT 63 |
2c0262af FB |
228 | |
229 | #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT) | |
230 | #define PG_RW_MASK (1 << PG_RW_BIT) | |
231 | #define PG_USER_MASK (1 << PG_USER_BIT) | |
232 | #define PG_PWT_MASK (1 << PG_PWT_BIT) | |
233 | #define PG_PCD_MASK (1 << PG_PCD_BIT) | |
234 | #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) | |
235 | #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT) | |
236 | #define PG_PSE_MASK (1 << PG_PSE_BIT) | |
237 | #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT) | |
5cf38396 | 238 | #define PG_NX_MASK (1LL << PG_NX_BIT) |
2c0262af FB |
239 | |
240 | #define PG_ERROR_W_BIT 1 | |
241 | ||
242 | #define PG_ERROR_P_MASK 0x01 | |
243 | #define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT) | |
244 | #define PG_ERROR_U_MASK 0x04 | |
245 | #define PG_ERROR_RSVD_MASK 0x08 | |
5cf38396 | 246 | #define PG_ERROR_I_D_MASK 0x10 |
2c0262af | 247 | |
0650f1ab | 248 | #define MSR_IA32_TSC 0x10 |
2c0262af FB |
249 | #define MSR_IA32_APICBASE 0x1b |
250 | #define MSR_IA32_APICBASE_BSP (1<<8) | |
251 | #define MSR_IA32_APICBASE_ENABLE (1<<11) | |
252 | #define MSR_IA32_APICBASE_BASE (0xfffff<<12) | |
253 | ||
254 | #define MSR_IA32_SYSENTER_CS 0x174 | |
255 | #define MSR_IA32_SYSENTER_ESP 0x175 | |
256 | #define MSR_IA32_SYSENTER_EIP 0x176 | |
257 | ||
8f091a59 FB |
258 | #define MSR_MCG_CAP 0x179 |
259 | #define MSR_MCG_STATUS 0x17a | |
260 | #define MSR_MCG_CTL 0x17b | |
261 | ||
e737b32a AZ |
262 | #define MSR_IA32_PERF_STATUS 0x198 |
263 | ||
8f091a59 FB |
264 | #define MSR_PAT 0x277 |
265 | ||
14ce26e7 FB |
266 | #define MSR_EFER 0xc0000080 |
267 | ||
268 | #define MSR_EFER_SCE (1 << 0) | |
269 | #define MSR_EFER_LME (1 << 8) | |
270 | #define MSR_EFER_LMA (1 << 10) | |
271 | #define MSR_EFER_NXE (1 << 11) | |
872929aa | 272 | #define MSR_EFER_SVME (1 << 12) |
14ce26e7 FB |
273 | #define MSR_EFER_FFXSR (1 << 14) |
274 | ||
275 | #define MSR_STAR 0xc0000081 | |
276 | #define MSR_LSTAR 0xc0000082 | |
277 | #define MSR_CSTAR 0xc0000083 | |
278 | #define MSR_FMASK 0xc0000084 | |
279 | #define MSR_FSBASE 0xc0000100 | |
280 | #define MSR_GSBASE 0xc0000101 | |
281 | #define MSR_KERNELGSBASE 0xc0000102 | |
282 | ||
0573fbfc TS |
283 | #define MSR_VM_HSAVE_PA 0xc0010117 |
284 | ||
14ce26e7 FB |
285 | /* cpuid_features bits */ |
286 | #define CPUID_FP87 (1 << 0) | |
287 | #define CPUID_VME (1 << 1) | |
288 | #define CPUID_DE (1 << 2) | |
289 | #define CPUID_PSE (1 << 3) | |
290 | #define CPUID_TSC (1 << 4) | |
291 | #define CPUID_MSR (1 << 5) | |
292 | #define CPUID_PAE (1 << 6) | |
293 | #define CPUID_MCE (1 << 7) | |
294 | #define CPUID_CX8 (1 << 8) | |
295 | #define CPUID_APIC (1 << 9) | |
296 | #define CPUID_SEP (1 << 11) /* sysenter/sysexit */ | |
297 | #define CPUID_MTRR (1 << 12) | |
298 | #define CPUID_PGE (1 << 13) | |
299 | #define CPUID_MCA (1 << 14) | |
300 | #define CPUID_CMOV (1 << 15) | |
8f091a59 | 301 | #define CPUID_PAT (1 << 16) |
8988ae89 | 302 | #define CPUID_PSE36 (1 << 17) |
a049de61 | 303 | #define CPUID_PN (1 << 18) |
8f091a59 | 304 | #define CPUID_CLFLUSH (1 << 19) |
a049de61 FB |
305 | #define CPUID_DTS (1 << 21) |
306 | #define CPUID_ACPI (1 << 22) | |
14ce26e7 FB |
307 | #define CPUID_MMX (1 << 23) |
308 | #define CPUID_FXSR (1 << 24) | |
309 | #define CPUID_SSE (1 << 25) | |
310 | #define CPUID_SSE2 (1 << 26) | |
a049de61 FB |
311 | #define CPUID_SS (1 << 27) |
312 | #define CPUID_HT (1 << 28) | |
313 | #define CPUID_TM (1 << 29) | |
314 | #define CPUID_IA64 (1 << 30) | |
315 | #define CPUID_PBE (1 << 31) | |
14ce26e7 | 316 | |
465e9838 | 317 | #define CPUID_EXT_SSE3 (1 << 0) |
558fa836 | 318 | #define CPUID_EXT_DTES64 (1 << 2) |
9df217a3 | 319 | #define CPUID_EXT_MONITOR (1 << 3) |
a049de61 FB |
320 | #define CPUID_EXT_DSCPL (1 << 4) |
321 | #define CPUID_EXT_VMX (1 << 5) | |
322 | #define CPUID_EXT_SMX (1 << 6) | |
323 | #define CPUID_EXT_EST (1 << 7) | |
324 | #define CPUID_EXT_TM2 (1 << 8) | |
325 | #define CPUID_EXT_SSSE3 (1 << 9) | |
326 | #define CPUID_EXT_CID (1 << 10) | |
9df217a3 | 327 | #define CPUID_EXT_CX16 (1 << 13) |
a049de61 | 328 | #define CPUID_EXT_XTPR (1 << 14) |
558fa836 PB |
329 | #define CPUID_EXT_PDCM (1 << 15) |
330 | #define CPUID_EXT_DCA (1 << 18) | |
331 | #define CPUID_EXT_SSE41 (1 << 19) | |
332 | #define CPUID_EXT_SSE42 (1 << 20) | |
333 | #define CPUID_EXT_X2APIC (1 << 21) | |
334 | #define CPUID_EXT_MOVBE (1 << 22) | |
335 | #define CPUID_EXT_POPCNT (1 << 23) | |
336 | #define CPUID_EXT_XSAVE (1 << 26) | |
337 | #define CPUID_EXT_OSXSAVE (1 << 27) | |
9df217a3 FB |
338 | |
339 | #define CPUID_EXT2_SYSCALL (1 << 11) | |
a049de61 | 340 | #define CPUID_EXT2_MP (1 << 19) |
9df217a3 | 341 | #define CPUID_EXT2_NX (1 << 20) |
a049de61 | 342 | #define CPUID_EXT2_MMXEXT (1 << 22) |
8d9bfc2b | 343 | #define CPUID_EXT2_FFXSR (1 << 25) |
a049de61 FB |
344 | #define CPUID_EXT2_PDPE1GB (1 << 26) |
345 | #define CPUID_EXT2_RDTSCP (1 << 27) | |
9df217a3 | 346 | #define CPUID_EXT2_LM (1 << 29) |
a049de61 FB |
347 | #define CPUID_EXT2_3DNOWEXT (1 << 30) |
348 | #define CPUID_EXT2_3DNOW (1 << 31) | |
9df217a3 | 349 | |
a049de61 FB |
350 | #define CPUID_EXT3_LAHF_LM (1 << 0) |
351 | #define CPUID_EXT3_CMP_LEG (1 << 1) | |
0573fbfc | 352 | #define CPUID_EXT3_SVM (1 << 2) |
a049de61 FB |
353 | #define CPUID_EXT3_EXTAPIC (1 << 3) |
354 | #define CPUID_EXT3_CR8LEG (1 << 4) | |
355 | #define CPUID_EXT3_ABM (1 << 5) | |
356 | #define CPUID_EXT3_SSE4A (1 << 6) | |
357 | #define CPUID_EXT3_MISALIGNSSE (1 << 7) | |
358 | #define CPUID_EXT3_3DNOWPREFETCH (1 << 8) | |
359 | #define CPUID_EXT3_OSVW (1 << 9) | |
360 | #define CPUID_EXT3_IBS (1 << 10) | |
872929aa | 361 | #define CPUID_EXT3_SKINIT (1 << 12) |
0573fbfc | 362 | |
c5096daf AZ |
363 | #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */ |
364 | #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */ | |
365 | #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */ | |
366 | ||
367 | #define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */ | |
368 | #define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */ | |
369 | #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */ | |
370 | ||
e737b32a | 371 | #define CPUID_MWAIT_IBE (1 << 1) /* Interrupts can exit capability */ |
a876e289 | 372 | #define CPUID_MWAIT_EMX (1 << 0) /* enumeration supported */ |
e737b32a | 373 | |
2c0262af | 374 | #define EXCP00_DIVZ 0 |
01df040b | 375 | #define EXCP01_DB 1 |
2c0262af FB |
376 | #define EXCP02_NMI 2 |
377 | #define EXCP03_INT3 3 | |
378 | #define EXCP04_INTO 4 | |
379 | #define EXCP05_BOUND 5 | |
380 | #define EXCP06_ILLOP 6 | |
381 | #define EXCP07_PREX 7 | |
382 | #define EXCP08_DBLE 8 | |
383 | #define EXCP09_XERR 9 | |
384 | #define EXCP0A_TSS 10 | |
385 | #define EXCP0B_NOSEG 11 | |
386 | #define EXCP0C_STACK 12 | |
387 | #define EXCP0D_GPF 13 | |
388 | #define EXCP0E_PAGE 14 | |
389 | #define EXCP10_COPR 16 | |
390 | #define EXCP11_ALGN 17 | |
391 | #define EXCP12_MCHK 18 | |
392 | ||
d2fd1af7 FB |
393 | #define EXCP_SYSCALL 0x100 /* only happens in user only emulation |
394 | for syscall instruction */ | |
395 | ||
2c0262af FB |
396 | enum { |
397 | CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ | |
1235fc06 | 398 | CC_OP_EFLAGS, /* all cc are explicitly computed, CC_SRC = flags */ |
d36cd60e FB |
399 | |
400 | CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */ | |
401 | CC_OP_MULW, | |
402 | CC_OP_MULL, | |
14ce26e7 | 403 | CC_OP_MULQ, |
2c0262af FB |
404 | |
405 | CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ | |
406 | CC_OP_ADDW, | |
407 | CC_OP_ADDL, | |
14ce26e7 | 408 | CC_OP_ADDQ, |
2c0262af FB |
409 | |
410 | CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ | |
411 | CC_OP_ADCW, | |
412 | CC_OP_ADCL, | |
14ce26e7 | 413 | CC_OP_ADCQ, |
2c0262af FB |
414 | |
415 | CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ | |
416 | CC_OP_SUBW, | |
417 | CC_OP_SUBL, | |
14ce26e7 | 418 | CC_OP_SUBQ, |
2c0262af FB |
419 | |
420 | CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ | |
421 | CC_OP_SBBW, | |
422 | CC_OP_SBBL, | |
14ce26e7 | 423 | CC_OP_SBBQ, |
2c0262af FB |
424 | |
425 | CC_OP_LOGICB, /* modify all flags, CC_DST = res */ | |
426 | CC_OP_LOGICW, | |
427 | CC_OP_LOGICL, | |
14ce26e7 | 428 | CC_OP_LOGICQ, |
2c0262af FB |
429 | |
430 | CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */ | |
431 | CC_OP_INCW, | |
432 | CC_OP_INCL, | |
14ce26e7 | 433 | CC_OP_INCQ, |
2c0262af FB |
434 | |
435 | CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */ | |
436 | CC_OP_DECW, | |
437 | CC_OP_DECL, | |
14ce26e7 | 438 | CC_OP_DECQ, |
2c0262af | 439 | |
6b652794 | 440 | CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */ |
2c0262af FB |
441 | CC_OP_SHLW, |
442 | CC_OP_SHLL, | |
14ce26e7 | 443 | CC_OP_SHLQ, |
2c0262af FB |
444 | |
445 | CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */ | |
446 | CC_OP_SARW, | |
447 | CC_OP_SARL, | |
14ce26e7 | 448 | CC_OP_SARQ, |
2c0262af FB |
449 | |
450 | CC_OP_NB, | |
451 | }; | |
452 | ||
7a0e1f41 | 453 | #ifdef FLOATX80 |
2c0262af FB |
454 | #define USE_X86LDOUBLE |
455 | #endif | |
456 | ||
457 | #ifdef USE_X86LDOUBLE | |
7a0e1f41 | 458 | typedef floatx80 CPU86_LDouble; |
2c0262af | 459 | #else |
7a0e1f41 | 460 | typedef float64 CPU86_LDouble; |
2c0262af FB |
461 | #endif |
462 | ||
463 | typedef struct SegmentCache { | |
464 | uint32_t selector; | |
14ce26e7 | 465 | target_ulong base; |
2c0262af FB |
466 | uint32_t limit; |
467 | uint32_t flags; | |
468 | } SegmentCache; | |
469 | ||
826461bb | 470 | typedef union { |
664e0f19 FB |
471 | uint8_t _b[16]; |
472 | uint16_t _w[8]; | |
473 | uint32_t _l[4]; | |
474 | uint64_t _q[2]; | |
7a0e1f41 FB |
475 | float32 _s[4]; |
476 | float64 _d[2]; | |
14ce26e7 FB |
477 | } XMMReg; |
478 | ||
826461bb FB |
479 | typedef union { |
480 | uint8_t _b[8]; | |
a35f3ec7 AJ |
481 | uint16_t _w[4]; |
482 | uint32_t _l[2]; | |
483 | float32 _s[2]; | |
826461bb FB |
484 | uint64_t q; |
485 | } MMXReg; | |
486 | ||
487 | #ifdef WORDS_BIGENDIAN | |
488 | #define XMM_B(n) _b[15 - (n)] | |
489 | #define XMM_W(n) _w[7 - (n)] | |
490 | #define XMM_L(n) _l[3 - (n)] | |
664e0f19 | 491 | #define XMM_S(n) _s[3 - (n)] |
826461bb | 492 | #define XMM_Q(n) _q[1 - (n)] |
664e0f19 | 493 | #define XMM_D(n) _d[1 - (n)] |
826461bb FB |
494 | |
495 | #define MMX_B(n) _b[7 - (n)] | |
496 | #define MMX_W(n) _w[3 - (n)] | |
497 | #define MMX_L(n) _l[1 - (n)] | |
a35f3ec7 | 498 | #define MMX_S(n) _s[1 - (n)] |
826461bb FB |
499 | #else |
500 | #define XMM_B(n) _b[n] | |
501 | #define XMM_W(n) _w[n] | |
502 | #define XMM_L(n) _l[n] | |
664e0f19 | 503 | #define XMM_S(n) _s[n] |
826461bb | 504 | #define XMM_Q(n) _q[n] |
664e0f19 | 505 | #define XMM_D(n) _d[n] |
826461bb FB |
506 | |
507 | #define MMX_B(n) _b[n] | |
508 | #define MMX_W(n) _w[n] | |
509 | #define MMX_L(n) _l[n] | |
a35f3ec7 | 510 | #define MMX_S(n) _s[n] |
826461bb | 511 | #endif |
664e0f19 | 512 | #define MMX_Q(n) q |
826461bb | 513 | |
14ce26e7 FB |
514 | #ifdef TARGET_X86_64 |
515 | #define CPU_NB_REGS 16 | |
516 | #else | |
517 | #define CPU_NB_REGS 8 | |
518 | #endif | |
519 | ||
6ebbf390 JM |
520 | #define NB_MMU_MODES 2 |
521 | ||
2c0262af FB |
522 | typedef struct CPUX86State { |
523 | /* standard registers */ | |
14ce26e7 FB |
524 | target_ulong regs[CPU_NB_REGS]; |
525 | target_ulong eip; | |
526 | target_ulong eflags; /* eflags register. During CPU emulation, CC | |
2c0262af FB |
527 | flags and DF are set to zero because they are |
528 | stored elsewhere */ | |
529 | ||
530 | /* emulator internal eflags handling */ | |
14ce26e7 FB |
531 | target_ulong cc_src; |
532 | target_ulong cc_dst; | |
2c0262af FB |
533 | uint32_t cc_op; |
534 | int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */ | |
db620f46 FB |
535 | uint32_t hflags; /* TB flags, see HF_xxx constants. These flags |
536 | are known at translation time. */ | |
537 | uint32_t hflags2; /* various other flags, see HF2_xxx constants. */ | |
2c0262af | 538 | |
9df217a3 FB |
539 | /* segments */ |
540 | SegmentCache segs[6]; /* selector values */ | |
541 | SegmentCache ldt; | |
542 | SegmentCache tr; | |
543 | SegmentCache gdt; /* only base and limit are used */ | |
544 | SegmentCache idt; /* only base and limit are used */ | |
545 | ||
db620f46 | 546 | target_ulong cr[5]; /* NOTE: cr1 is unused */ |
0ba5f006 | 547 | uint64_t a20_mask; |
9df217a3 | 548 | |
2c0262af FB |
549 | /* FPU state */ |
550 | unsigned int fpstt; /* top of stack index */ | |
551 | unsigned int fpus; | |
552 | unsigned int fpuc; | |
553 | uint8_t fptags[8]; /* 0 = valid, 1 = empty */ | |
664e0f19 FB |
554 | union { |
555 | #ifdef USE_X86LDOUBLE | |
556 | CPU86_LDouble d __attribute__((aligned(16))); | |
557 | #else | |
558 | CPU86_LDouble d; | |
559 | #endif | |
560 | MMXReg mmx; | |
561 | } fpregs[8]; | |
2c0262af FB |
562 | |
563 | /* emulator internal variables */ | |
7a0e1f41 | 564 | float_status fp_status; |
2c0262af | 565 | CPU86_LDouble ft0; |
3b46e624 | 566 | |
a35f3ec7 | 567 | float_status mmx_status; /* for 3DNow! float ops */ |
7a0e1f41 | 568 | float_status sse_status; |
664e0f19 | 569 | uint32_t mxcsr; |
14ce26e7 FB |
570 | XMMReg xmm_regs[CPU_NB_REGS]; |
571 | XMMReg xmm_t0; | |
664e0f19 | 572 | MMXReg mmx_t0; |
1e4840bf | 573 | target_ulong cc_tmp; /* temporary for rcr/rcl */ |
14ce26e7 | 574 | |
2c0262af FB |
575 | /* sysenter registers */ |
576 | uint32_t sysenter_cs; | |
2436b61a AZ |
577 | target_ulong sysenter_esp; |
578 | target_ulong sysenter_eip; | |
8d9bfc2b FB |
579 | uint64_t efer; |
580 | uint64_t star; | |
0573fbfc | 581 | |
5cc1d1e6 FB |
582 | uint64_t vm_hsave; |
583 | uint64_t vm_vmcb; | |
33c263df | 584 | uint64_t tsc_offset; |
0573fbfc TS |
585 | uint64_t intercept; |
586 | uint16_t intercept_cr_read; | |
587 | uint16_t intercept_cr_write; | |
588 | uint16_t intercept_dr_read; | |
589 | uint16_t intercept_dr_write; | |
590 | uint32_t intercept_exceptions; | |
db620f46 | 591 | uint8_t v_tpr; |
0573fbfc | 592 | |
14ce26e7 | 593 | #ifdef TARGET_X86_64 |
14ce26e7 FB |
594 | target_ulong lstar; |
595 | target_ulong cstar; | |
596 | target_ulong fmask; | |
597 | target_ulong kernelgsbase; | |
598 | #endif | |
58fe2f10 | 599 | |
7ba1e619 AL |
600 | uint64_t tsc; |
601 | ||
8f091a59 FB |
602 | uint64_t pat; |
603 | ||
2c0262af | 604 | /* exception/interrupt handling */ |
2c0262af FB |
605 | int error_code; |
606 | int exception_is_int; | |
826461bb | 607 | target_ulong exception_next_eip; |
14ce26e7 | 608 | target_ulong dr[8]; /* debug registers */ |
01df040b AL |
609 | union { |
610 | CPUBreakpoint *cpu_breakpoint[4]; | |
611 | CPUWatchpoint *cpu_watchpoint[4]; | |
612 | }; /* break/watchpoints for dr[0..3] */ | |
3b21e03e | 613 | uint32_t smbase; |
678dde13 | 614 | int old_exception; /* exception in flight */ |
2c0262af | 615 | |
a316d335 | 616 | CPU_COMMON |
2c0262af | 617 | |
14ce26e7 | 618 | /* processor features (e.g. for CPUID insn) */ |
8d9bfc2b | 619 | uint32_t cpuid_level; |
14ce26e7 FB |
620 | uint32_t cpuid_vendor1; |
621 | uint32_t cpuid_vendor2; | |
622 | uint32_t cpuid_vendor3; | |
623 | uint32_t cpuid_version; | |
624 | uint32_t cpuid_features; | |
9df217a3 | 625 | uint32_t cpuid_ext_features; |
8d9bfc2b FB |
626 | uint32_t cpuid_xlevel; |
627 | uint32_t cpuid_model[12]; | |
628 | uint32_t cpuid_ext2_features; | |
0573fbfc | 629 | uint32_t cpuid_ext3_features; |
eae7629b | 630 | uint32_t cpuid_apic_id; |
3b46e624 | 631 | |
9df217a3 FB |
632 | #ifdef USE_KQEMU |
633 | int kqemu_enabled; | |
f1c85677 | 634 | int last_io_time; |
9df217a3 | 635 | #endif |
7ba1e619 AL |
636 | |
637 | /* For KVM */ | |
638 | uint64_t interrupt_bitmap[256 / 64]; | |
639 | ||
14ce26e7 FB |
640 | /* in order to simplify APIC support, we leave this pointer to the |
641 | user */ | |
642 | struct APICState *apic_state; | |
2c0262af FB |
643 | } CPUX86State; |
644 | ||
aaed909a | 645 | CPUX86State *cpu_x86_init(const char *cpu_model); |
2c0262af FB |
646 | int cpu_x86_exec(CPUX86State *s); |
647 | void cpu_x86_close(CPUX86State *s); | |
a049de61 FB |
648 | void x86_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, |
649 | ...)); | |
d720b93d | 650 | int cpu_get_pic_interrupt(CPUX86State *s); |
2ee73ac3 FB |
651 | /* MSDOS compatibility mode FPU exception support */ |
652 | void cpu_set_ferr(CPUX86State *s); | |
2c0262af FB |
653 | |
654 | /* this function must always be used to load data in the segment | |
655 | cache: it synchronizes the hflags with the segment cache values */ | |
5fafdf24 | 656 | static inline void cpu_x86_load_seg_cache(CPUX86State *env, |
2c0262af | 657 | int seg_reg, unsigned int selector, |
8988ae89 | 658 | target_ulong base, |
5fafdf24 | 659 | unsigned int limit, |
2c0262af FB |
660 | unsigned int flags) |
661 | { | |
662 | SegmentCache *sc; | |
663 | unsigned int new_hflags; | |
3b46e624 | 664 | |
2c0262af FB |
665 | sc = &env->segs[seg_reg]; |
666 | sc->selector = selector; | |
667 | sc->base = base; | |
668 | sc->limit = limit; | |
669 | sc->flags = flags; | |
670 | ||
671 | /* update the hidden flags */ | |
14ce26e7 FB |
672 | { |
673 | if (seg_reg == R_CS) { | |
674 | #ifdef TARGET_X86_64 | |
675 | if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) { | |
676 | /* long mode */ | |
677 | env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK; | |
678 | env->hflags &= ~(HF_ADDSEG_MASK); | |
5fafdf24 | 679 | } else |
14ce26e7 FB |
680 | #endif |
681 | { | |
682 | /* legacy / compatibility case */ | |
683 | new_hflags = (env->segs[R_CS].flags & DESC_B_MASK) | |
684 | >> (DESC_B_SHIFT - HF_CS32_SHIFT); | |
685 | env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) | | |
686 | new_hflags; | |
687 | } | |
688 | } | |
689 | new_hflags = (env->segs[R_SS].flags & DESC_B_MASK) | |
690 | >> (DESC_B_SHIFT - HF_SS32_SHIFT); | |
691 | if (env->hflags & HF_CS64_MASK) { | |
692 | /* zero base assumed for DS, ES and SS in long mode */ | |
5fafdf24 | 693 | } else if (!(env->cr[0] & CR0_PE_MASK) || |
735a8fd3 FB |
694 | (env->eflags & VM_MASK) || |
695 | !(env->hflags & HF_CS32_MASK)) { | |
14ce26e7 FB |
696 | /* XXX: try to avoid this test. The problem comes from the |
697 | fact that is real mode or vm86 mode we only modify the | |
698 | 'base' and 'selector' fields of the segment cache to go | |
699 | faster. A solution may be to force addseg to one in | |
700 | translate-i386.c. */ | |
701 | new_hflags |= HF_ADDSEG_MASK; | |
702 | } else { | |
5fafdf24 | 703 | new_hflags |= ((env->segs[R_DS].base | |
735a8fd3 | 704 | env->segs[R_ES].base | |
5fafdf24 | 705 | env->segs[R_SS].base) != 0) << |
14ce26e7 FB |
706 | HF_ADDSEG_SHIFT; |
707 | } | |
5fafdf24 | 708 | env->hflags = (env->hflags & |
14ce26e7 | 709 | ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags; |
2c0262af | 710 | } |
2c0262af FB |
711 | } |
712 | ||
713 | /* wrapper, just in case memory mappings must be changed */ | |
714 | static inline void cpu_x86_set_cpl(CPUX86State *s, int cpl) | |
715 | { | |
716 | #if HF_CPL_MASK == 3 | |
717 | s->hflags = (s->hflags & ~HF_CPL_MASK) | cpl; | |
718 | #else | |
719 | #error HF_CPL_MASK is hardcoded | |
720 | #endif | |
721 | } | |
722 | ||
d9957a8b | 723 | /* op_helper.c */ |
1f1af9fd FB |
724 | /* used for debug or cpu save/restore */ |
725 | void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, CPU86_LDouble f); | |
726 | CPU86_LDouble cpu_set_fp80(uint64_t mant, uint16_t upper); | |
727 | ||
d9957a8b | 728 | /* cpu-exec.c */ |
2c0262af FB |
729 | /* the following helpers are only usable in user mode simulation as |
730 | they can trigger unexpected exceptions */ | |
731 | void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector); | |
6f12a2a6 FB |
732 | void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32); |
733 | void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32); | |
2c0262af FB |
734 | |
735 | /* you can call this signal handler from your SIGBUS and SIGSEGV | |
736 | signal handlers to inform the virtual CPU of exceptions. non zero | |
737 | is returned if the signal was handled by the virtual CPU. */ | |
5fafdf24 | 738 | int cpu_x86_signal_handler(int host_signum, void *pinfo, |
2c0262af | 739 | void *puc); |
d9957a8b BS |
740 | |
741 | /* helper.c */ | |
742 | int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr, | |
743 | int is_write, int mmu_idx, int is_softmmu); | |
461c0471 | 744 | void cpu_x86_set_a20(CPUX86State *env, int a20_state); |
d9957a8b BS |
745 | void cpu_x86_cpuid(CPUX86State *env, uint32_t index, |
746 | uint32_t *eax, uint32_t *ebx, | |
747 | uint32_t *ecx, uint32_t *edx); | |
2c0262af | 748 | |
d9957a8b BS |
749 | static inline int hw_breakpoint_enabled(unsigned long dr7, int index) |
750 | { | |
751 | return (dr7 >> (index * 2)) & 3; | |
752 | } | |
28ab0e2e | 753 | |
d9957a8b BS |
754 | static inline int hw_breakpoint_type(unsigned long dr7, int index) |
755 | { | |
756 | return (dr7 >> (DR7_TYPE_SHIFT + (index * 2))) & 3; | |
757 | } | |
758 | ||
759 | static inline int hw_breakpoint_len(unsigned long dr7, int index) | |
760 | { | |
761 | int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 2))) & 3); | |
762 | return (len == 2) ? 8 : len + 1; | |
763 | } | |
764 | ||
765 | void hw_breakpoint_insert(CPUX86State *env, int index); | |
766 | void hw_breakpoint_remove(CPUX86State *env, int index); | |
767 | int check_hw_breakpoints(CPUX86State *env, int force_dr6_update); | |
768 | ||
769 | /* will be suppressed */ | |
770 | void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0); | |
771 | void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3); | |
772 | void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4); | |
773 | ||
774 | /* hw/apic.c */ | |
14ce26e7 FB |
775 | void cpu_set_apic_base(CPUX86State *env, uint64_t val); |
776 | uint64_t cpu_get_apic_base(CPUX86State *env); | |
9230e66e FB |
777 | void cpu_set_apic_tpr(CPUX86State *env, uint8_t val); |
778 | #ifndef NO_CPU_IO_DEFS | |
779 | uint8_t cpu_get_apic_tpr(CPUX86State *env); | |
780 | #endif | |
14ce26e7 | 781 | |
d9957a8b BS |
782 | /* hw/pc.c */ |
783 | void cpu_smm_update(CPUX86State *env); | |
784 | uint64_t cpu_get_tsc(CPUX86State *env); | |
6fd805e1 | 785 | |
2c0262af FB |
786 | /* used to debug */ |
787 | #define X86_DUMP_FPU 0x0001 /* dump FPU state too */ | |
788 | #define X86_DUMP_CCOP 0x0002 /* dump qemu flag cache */ | |
2c0262af | 789 | |
f1c85677 FB |
790 | #ifdef USE_KQEMU |
791 | static inline int cpu_get_time_fast(void) | |
792 | { | |
793 | int low, high; | |
794 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
795 | return low; | |
796 | } | |
797 | #endif | |
798 | ||
2c0262af | 799 | #define TARGET_PAGE_BITS 12 |
9467d44c TS |
800 | |
801 | #define CPUState CPUX86State | |
802 | #define cpu_init cpu_x86_init | |
803 | #define cpu_exec cpu_x86_exec | |
804 | #define cpu_gen_code cpu_x86_gen_code | |
805 | #define cpu_signal_handler cpu_x86_signal_handler | |
a049de61 | 806 | #define cpu_list x86_cpu_list |
9467d44c | 807 | |
2436b61a | 808 | #define CPU_SAVE_VERSION 7 |
b3c7724c | 809 | |
6ebbf390 JM |
810 | /* MMU modes definitions */ |
811 | #define MMU_MODE0_SUFFIX _kernel | |
812 | #define MMU_MODE1_SUFFIX _user | |
813 | #define MMU_USER_IDX 1 | |
814 | static inline int cpu_mmu_index (CPUState *env) | |
815 | { | |
816 | return (env->hflags & HF_CPL_MASK) == 3 ? 1 : 0; | |
817 | } | |
818 | ||
d9957a8b | 819 | /* translate.c */ |
26a5f13b FB |
820 | void optimize_flags_init(void); |
821 | ||
b6abf97d FB |
822 | typedef struct CCTable { |
823 | int (*compute_all)(void); /* return all the flags */ | |
824 | int (*compute_c)(void); /* return the C flag */ | |
825 | } CCTable; | |
826 | ||
6e68e076 PB |
827 | #if defined(CONFIG_USER_ONLY) |
828 | static inline void cpu_clone_regs(CPUState *env, target_ulong newsp) | |
829 | { | |
f8ed7070 | 830 | if (newsp) |
6e68e076 PB |
831 | env->regs[R_ESP] = newsp; |
832 | env->regs[R_EAX] = 0; | |
833 | } | |
834 | #endif | |
835 | ||
2c0262af | 836 | #include "cpu-all.h" |
622ed360 | 837 | #include "exec-all.h" |
2c0262af | 838 | |
0573fbfc TS |
839 | #include "svm.h" |
840 | ||
622ed360 AL |
841 | static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb) |
842 | { | |
843 | env->eip = tb->pc - tb->cs_base; | |
844 | } | |
845 | ||
6b917547 AL |
846 | static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc, |
847 | target_ulong *cs_base, int *flags) | |
848 | { | |
849 | *cs_base = env->segs[R_CS].base; | |
850 | *pc = *cs_base + env->eip; | |
851 | *flags = env->hflags | (env->eflags & (IOPL_MASK | TF_MASK | VM_MASK)); | |
852 | } | |
853 | ||
2c0262af | 854 | #endif /* CPU_I386_H */ |