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/*
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* i386 virtual CPU header
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CPU_I386_H
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#define CPU_I386_H
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#include "config.h" |
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#include "qemu-common.h" |
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#ifdef TARGET_X86_64
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#define TARGET_LONG_BITS 64 |
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#else
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#define TARGET_LONG_BITS 32 |
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#endif
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/* target supports implicit self modifying code */
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#define TARGET_HAS_SMC
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/* support for self modifying code even if the modified instruction is
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close to the modifying instruction */
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#define TARGET_HAS_PRECISE_SMC
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#define TARGET_HAS_ICE 1 |
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#ifdef TARGET_X86_64
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#define ELF_MACHINE EM_X86_64
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#else
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#define ELF_MACHINE EM_386
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#endif
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#define CPUArchState struct CPUX86State |
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#include "exec/cpu-defs.h" |
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#include "fpu/softfloat.h" |
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#define R_EAX 0 |
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#define R_ECX 1 |
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#define R_EDX 2 |
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#define R_EBX 3 |
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#define R_ESP 4 |
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#define R_EBP 5 |
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#define R_ESI 6 |
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#define R_EDI 7 |
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#define R_AL 0 |
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#define R_CL 1 |
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#define R_DL 2 |
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#define R_BL 3 |
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#define R_AH 4 |
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#define R_CH 5 |
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#define R_DH 6 |
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#define R_BH 7 |
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#define R_ES 0 |
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#define R_CS 1 |
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#define R_SS 2 |
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#define R_DS 3 |
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#define R_FS 4 |
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#define R_GS 5 |
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/* segment descriptor fields */
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#define DESC_G_MASK (1 << 23) |
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#define DESC_B_SHIFT 22 |
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#define DESC_B_MASK (1 << DESC_B_SHIFT) |
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#define DESC_L_SHIFT 21 /* x86_64 only : 64 bit code segment */ |
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#define DESC_L_MASK (1 << DESC_L_SHIFT) |
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#define DESC_AVL_MASK (1 << 20) |
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#define DESC_P_MASK (1 << 15) |
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#define DESC_DPL_SHIFT 13 |
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#define DESC_DPL_MASK (3 << DESC_DPL_SHIFT) |
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#define DESC_S_MASK (1 << 12) |
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#define DESC_TYPE_SHIFT 8 |
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#define DESC_TYPE_MASK (15 << DESC_TYPE_SHIFT) |
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#define DESC_A_MASK (1 << 8) |
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#define DESC_CS_MASK (1 << 11) /* 1=code segment 0=data segment */ |
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#define DESC_C_MASK (1 << 10) /* code: conforming */ |
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#define DESC_R_MASK (1 << 9) /* code: readable */ |
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#define DESC_E_MASK (1 << 10) /* data: expansion direction */ |
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#define DESC_W_MASK (1 << 9) /* data: writable */ |
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#define DESC_TSS_BUSY_MASK (1 << 9) |
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/* eflags masks */
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#define CC_C 0x0001 |
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#define CC_P 0x0004 |
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#define CC_A 0x0010 |
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#define CC_Z 0x0040 |
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#define CC_S 0x0080 |
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#define CC_O 0x0800 |
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#define TF_SHIFT 8 |
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#define IOPL_SHIFT 12 |
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#define VM_SHIFT 17 |
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#define TF_MASK 0x00000100 |
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#define IF_MASK 0x00000200 |
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#define DF_MASK 0x00000400 |
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#define IOPL_MASK 0x00003000 |
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#define NT_MASK 0x00004000 |
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#define RF_MASK 0x00010000 |
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#define VM_MASK 0x00020000 |
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#define AC_MASK 0x00040000 |
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#define VIF_MASK 0x00080000 |
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#define VIP_MASK 0x00100000 |
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#define ID_MASK 0x00200000 |
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/* hidden flags - used internally by qemu to represent additional cpu
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states. Only the CPL, INHIBIT_IRQ, SMM and SVMI are not
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redundant. We avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK
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bit positions to ease oring with eflags. */
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/* current cpl */
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#define HF_CPL_SHIFT 0 |
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/* true if soft mmu is being used */
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#define HF_SOFTMMU_SHIFT 2 |
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/* true if hardware interrupts must be disabled for next instruction */
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#define HF_INHIBIT_IRQ_SHIFT 3 |
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/* 16 or 32 segments */
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#define HF_CS32_SHIFT 4 |
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#define HF_SS32_SHIFT 5 |
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/* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
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#define HF_ADDSEG_SHIFT 6 |
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/* copy of CR0.PE (protected mode) */
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#define HF_PE_SHIFT 7 |
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#define HF_TF_SHIFT 8 /* must be same as eflags */ |
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#define HF_MP_SHIFT 9 /* the order must be MP, EM, TS */ |
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#define HF_EM_SHIFT 10 |
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#define HF_TS_SHIFT 11 |
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#define HF_IOPL_SHIFT 12 /* must be same as eflags */ |
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#define HF_LMA_SHIFT 14 /* only used on x86_64: long mode active */ |
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#define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */ |
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#define HF_RF_SHIFT 16 /* must be same as eflags */ |
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#define HF_VM_SHIFT 17 /* must be same as eflags */ |
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#define HF_AC_SHIFT 18 /* must be same as eflags */ |
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#define HF_SMM_SHIFT 19 /* CPU in SMM mode */ |
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#define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */ |
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#define HF_SVMI_SHIFT 21 /* SVM intercepts are active */ |
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#define HF_OSFXSR_SHIFT 22 /* CR4.OSFXSR */ |
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#define HF_SMAP_SHIFT 23 /* CR4.SMAP */ |
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#define HF_CPL_MASK (3 << HF_CPL_SHIFT) |
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#define HF_SOFTMMU_MASK (1 << HF_SOFTMMU_SHIFT) |
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#define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT) |
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#define HF_CS32_MASK (1 << HF_CS32_SHIFT) |
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#define HF_SS32_MASK (1 << HF_SS32_SHIFT) |
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#define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT) |
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#define HF_PE_MASK (1 << HF_PE_SHIFT) |
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#define HF_TF_MASK (1 << HF_TF_SHIFT) |
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#define HF_MP_MASK (1 << HF_MP_SHIFT) |
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#define HF_EM_MASK (1 << HF_EM_SHIFT) |
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#define HF_TS_MASK (1 << HF_TS_SHIFT) |
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#define HF_IOPL_MASK (3 << HF_IOPL_SHIFT) |
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#define HF_LMA_MASK (1 << HF_LMA_SHIFT) |
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#define HF_CS64_MASK (1 << HF_CS64_SHIFT) |
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#define HF_RF_MASK (1 << HF_RF_SHIFT) |
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#define HF_VM_MASK (1 << HF_VM_SHIFT) |
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#define HF_AC_MASK (1 << HF_AC_SHIFT) |
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#define HF_SMM_MASK (1 << HF_SMM_SHIFT) |
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#define HF_SVME_MASK (1 << HF_SVME_SHIFT) |
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#define HF_SVMI_MASK (1 << HF_SVMI_SHIFT) |
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#define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT) |
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#define HF_SMAP_MASK (1 << HF_SMAP_SHIFT) |
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/* hflags2 */
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#define HF2_GIF_SHIFT 0 /* if set CPU takes interrupts */ |
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#define HF2_HIF_SHIFT 1 /* value of IF_MASK when entering SVM */ |
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#define HF2_NMI_SHIFT 2 /* CPU serving NMI */ |
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#define HF2_VINTR_SHIFT 3 /* value of V_INTR_MASKING bit */ |
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#define HF2_GIF_MASK (1 << HF2_GIF_SHIFT) |
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#define HF2_HIF_MASK (1 << HF2_HIF_SHIFT) |
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#define HF2_NMI_MASK (1 << HF2_NMI_SHIFT) |
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#define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT) |
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#define CR0_PE_SHIFT 0 |
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#define CR0_MP_SHIFT 1 |
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#define CR0_PE_MASK (1 << 0) |
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#define CR0_MP_MASK (1 << 1) |
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#define CR0_EM_MASK (1 << 2) |
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#define CR0_TS_MASK (1 << 3) |
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#define CR0_ET_MASK (1 << 4) |
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#define CR0_NE_MASK (1 << 5) |
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#define CR0_WP_MASK (1 << 16) |
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#define CR0_AM_MASK (1 << 18) |
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#define CR0_PG_MASK (1 << 31) |
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#define CR4_VME_MASK (1 << 0) |
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#define CR4_PVI_MASK (1 << 1) |
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#define CR4_TSD_MASK (1 << 2) |
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#define CR4_DE_MASK (1 << 3) |
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#define CR4_PSE_MASK (1 << 4) |
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#define CR4_PAE_MASK (1 << 5) |
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#define CR4_MCE_MASK (1 << 6) |
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#define CR4_PGE_MASK (1 << 7) |
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#define CR4_PCE_MASK (1 << 8) |
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#define CR4_OSFXSR_SHIFT 9 |
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#define CR4_OSFXSR_MASK (1 << CR4_OSFXSR_SHIFT) |
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#define CR4_OSXMMEXCPT_MASK (1 << 10) |
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#define CR4_VMXE_MASK (1 << 13) |
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#define CR4_SMXE_MASK (1 << 14) |
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#define CR4_FSGSBASE_MASK (1 << 16) |
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#define CR4_PCIDE_MASK (1 << 17) |
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#define CR4_OSXSAVE_MASK (1 << 18) |
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#define CR4_SMEP_MASK (1 << 20) |
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#define CR4_SMAP_MASK (1 << 21) |
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#define DR6_BD (1 << 13) |
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#define DR6_BS (1 << 14) |
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#define DR6_BT (1 << 15) |
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#define DR6_FIXED_1 0xffff0ff0 |
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#define DR7_GD (1 << 13) |
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#define DR7_TYPE_SHIFT 16 |
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#define DR7_LEN_SHIFT 18 |
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#define DR7_FIXED_1 0x00000400 |
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#define DR7_LOCAL_BP_MASK 0x55 |
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#define DR7_MAX_BP 4 |
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#define DR7_TYPE_BP_INST 0x0 |
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#define DR7_TYPE_DATA_WR 0x1 |
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#define DR7_TYPE_IO_RW 0x2 |
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#define DR7_TYPE_DATA_RW 0x3 |
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#define PG_PRESENT_BIT 0 |
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#define PG_RW_BIT 1 |
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#define PG_USER_BIT 2 |
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#define PG_PWT_BIT 3 |
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#define PG_PCD_BIT 4 |
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#define PG_ACCESSED_BIT 5 |
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#define PG_DIRTY_BIT 6 |
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#define PG_PSE_BIT 7 |
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#define PG_GLOBAL_BIT 8 |
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#define PG_NX_BIT 63 |
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#define PG_PRESENT_MASK (1 << PG_PRESENT_BIT) |
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#define PG_RW_MASK (1 << PG_RW_BIT) |
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#define PG_USER_MASK (1 << PG_USER_BIT) |
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#define PG_PWT_MASK (1 << PG_PWT_BIT) |
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#define PG_PCD_MASK (1 << PG_PCD_BIT) |
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#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) |
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#define PG_DIRTY_MASK (1 << PG_DIRTY_BIT) |
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#define PG_PSE_MASK (1 << PG_PSE_BIT) |
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#define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT) |
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#define PG_HI_USER_MASK 0x7ff0000000000000LL |
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#define PG_NX_MASK (1LL << PG_NX_BIT) |
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#define PG_ERROR_W_BIT 1 |
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#define PG_ERROR_P_MASK 0x01 |
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#define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT) |
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#define PG_ERROR_U_MASK 0x04 |
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#define PG_ERROR_RSVD_MASK 0x08 |
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#define PG_ERROR_I_D_MASK 0x10 |
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#define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */ |
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#define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */ |
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#define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P)
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#define MCE_BANKS_DEF 10 |
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#define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */ |
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#define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */ |
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#define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */ |
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#define MCI_STATUS_VAL (1ULL<<63) /* valid error */ |
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#define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */ |
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#define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */ |
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#define MCI_STATUS_EN (1ULL<<60) /* error enabled */ |
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#define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */ |
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#define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */ |
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#define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */ |
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#define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */ |
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#define MCI_STATUS_AR (1ULL<<55) /* Action required */ |
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/* MISC register defines */
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#define MCM_ADDR_SEGOFF 0 /* segment offset */ |
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#define MCM_ADDR_LINEAR 1 /* linear address */ |
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#define MCM_ADDR_PHYS 2 /* physical address */ |
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#define MCM_ADDR_MEM 3 /* memory address */ |
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#define MCM_ADDR_GENERIC 7 /* generic */ |
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#define MSR_IA32_TSC 0x10 |
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#define MSR_IA32_APICBASE 0x1b |
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#define MSR_IA32_APICBASE_BSP (1<<8) |
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#define MSR_IA32_APICBASE_ENABLE (1<<11) |
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#define MSR_IA32_APICBASE_BASE (0xfffff<<12) |
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#define MSR_TSC_ADJUST 0x0000003b |
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#define MSR_IA32_TSCDEADLINE 0x6e0 |
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#define MSR_MTRRcap 0xfe |
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#define MSR_MTRRcap_VCNT 8 |
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#define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8) |
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#define MSR_MTRRcap_WC_SUPPORTED (1 << 10) |
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#define MSR_IA32_SYSENTER_CS 0x174 |
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#define MSR_IA32_SYSENTER_ESP 0x175 |
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#define MSR_IA32_SYSENTER_EIP 0x176 |
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#define MSR_MCG_CAP 0x179 |
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#define MSR_MCG_STATUS 0x17a |
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#define MSR_MCG_CTL 0x17b |
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#define MSR_IA32_PERF_STATUS 0x198 |
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#define MSR_IA32_MISC_ENABLE 0x1a0 |
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/* Indicates good rep/movs microcode on some processors: */
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#define MSR_IA32_MISC_ENABLE_DEFAULT 1 |
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#define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg)) |
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#define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1) |
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#define MSR_MTRRfix64K_00000 0x250 |
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#define MSR_MTRRfix16K_80000 0x258 |
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#define MSR_MTRRfix16K_A0000 0x259 |
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#define MSR_MTRRfix4K_C0000 0x268 |
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#define MSR_MTRRfix4K_C8000 0x269 |
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#define MSR_MTRRfix4K_D0000 0x26a |
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#define MSR_MTRRfix4K_D8000 0x26b |
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#define MSR_MTRRfix4K_E0000 0x26c |
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#define MSR_MTRRfix4K_E8000 0x26d |
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#define MSR_MTRRfix4K_F0000 0x26e |
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#define MSR_MTRRfix4K_F8000 0x26f |
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#define MSR_PAT 0x277 |
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#define MSR_MTRRdefType 0x2ff |
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#define MSR_MC0_CTL 0x400 |
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#define MSR_MC0_STATUS 0x401 |
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#define MSR_MC0_ADDR 0x402 |
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#define MSR_MC0_MISC 0x403 |
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#define MSR_EFER 0xc0000080 |
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#define MSR_EFER_SCE (1 << 0) |
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#define MSR_EFER_LME (1 << 8) |
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#define MSR_EFER_LMA (1 << 10) |
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#define MSR_EFER_NXE (1 << 11) |
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#define MSR_EFER_SVME (1 << 12) |
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#define MSR_EFER_FFXSR (1 << 14) |
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#define MSR_STAR 0xc0000081 |
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#define MSR_LSTAR 0xc0000082 |
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#define MSR_CSTAR 0xc0000083 |
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#define MSR_FMASK 0xc0000084 |
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#define MSR_FSBASE 0xc0000100 |
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#define MSR_GSBASE 0xc0000101 |
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#define MSR_KERNELGSBASE 0xc0000102 |
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#define MSR_TSC_AUX 0xc0000103 |
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#define MSR_VM_HSAVE_PA 0xc0010117 |
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/* CPUID feature words */
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typedef enum FeatureWord { |
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FEAT_1_EDX, /* CPUID[1].EDX */
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FEAT_1_ECX, /* CPUID[1].ECX */
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FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */
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FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
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FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
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FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
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FEAT_KVM, /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
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FEAT_SVM, /* CPUID[8000_000A].EDX */
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FEATURE_WORDS, |
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} FeatureWord; |
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typedef uint32_t FeatureWordArray[FEATURE_WORDS];
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/* cpuid_features bits */
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#define CPUID_FP87 (1 << 0) |
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#define CPUID_VME (1 << 1) |
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#define CPUID_DE (1 << 2) |
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#define CPUID_PSE (1 << 3) |
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#define CPUID_TSC (1 << 4) |
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#define CPUID_MSR (1 << 5) |
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#define CPUID_PAE (1 << 6) |
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#define CPUID_MCE (1 << 7) |
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#define CPUID_CX8 (1 << 8) |
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#define CPUID_APIC (1 << 9) |
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#define CPUID_SEP (1 << 11) /* sysenter/sysexit */ |
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#define CPUID_MTRR (1 << 12) |
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#define CPUID_PGE (1 << 13) |
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#define CPUID_MCA (1 << 14) |
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#define CPUID_CMOV (1 << 15) |
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#define CPUID_PAT (1 << 16) |
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#define CPUID_PSE36 (1 << 17) |
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#define CPUID_PN (1 << 18) |
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#define CPUID_CLFLUSH (1 << 19) |
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#define CPUID_DTS (1 << 21) |
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#define CPUID_ACPI (1 << 22) |
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#define CPUID_MMX (1 << 23) |
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#define CPUID_FXSR (1 << 24) |
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#define CPUID_SSE (1 << 25) |
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#define CPUID_SSE2 (1 << 26) |
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#define CPUID_SS (1 << 27) |
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#define CPUID_HT (1 << 28) |
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#define CPUID_TM (1 << 29) |
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#define CPUID_IA64 (1 << 30) |
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#define CPUID_PBE (1 << 31) |
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|
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#define CPUID_EXT_SSE3 (1 << 0) |
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#define CPUID_EXT_PCLMULQDQ (1 << 1) |
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#define CPUID_EXT_DTES64 (1 << 2) |
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#define CPUID_EXT_MONITOR (1 << 3) |
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#define CPUID_EXT_DSCPL (1 << 4) |
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#define CPUID_EXT_VMX (1 << 5) |
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#define CPUID_EXT_SMX (1 << 6) |
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#define CPUID_EXT_EST (1 << 7) |
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#define CPUID_EXT_TM2 (1 << 8) |
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#define CPUID_EXT_SSSE3 (1 << 9) |
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#define CPUID_EXT_CID (1 << 10) |
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#define CPUID_EXT_FMA (1 << 12) |
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#define CPUID_EXT_CX16 (1 << 13) |
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#define CPUID_EXT_XTPR (1 << 14) |
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#define CPUID_EXT_PDCM (1 << 15) |
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#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 |
#define CPUID_VENDOR_INTEL "GenuineIntel" |
541 |
|
542 |
#define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */ |
543 |
#define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */ |
544 |
#define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */ |
545 |
#define CPUID_VENDOR_AMD "AuthenticAMD" |
546 |
|
547 |
#define CPUID_VENDOR_VIA "CentaurHauls" |
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 |
typedef 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_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
|
640 |
CC_OP_BMILGW, |
641 |
CC_OP_BMILGL, |
642 |
CC_OP_BMILGQ, |
643 |
|
644 |
CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest. */
|
645 |
CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest. */
|
646 |
CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest. */
|
647 |
|
648 |
CC_OP_CLR, /* Z set, all other flags clear. */
|
649 |
|
650 |
CC_OP_NB, |
651 |
} CCOp; |
652 |
|
653 |
typedef struct SegmentCache { |
654 |
uint32_t selector; |
655 |
target_ulong base; |
656 |
uint32_t limit; |
657 |
uint32_t flags; |
658 |
} SegmentCache; |
659 |
|
660 |
typedef union { |
661 |
uint8_t _b[16];
|
662 |
uint16_t _w[8];
|
663 |
uint32_t _l[4];
|
664 |
uint64_t _q[2];
|
665 |
float32 _s[4];
|
666 |
float64 _d[2];
|
667 |
} XMMReg; |
668 |
|
669 |
typedef union { |
670 |
uint8_t _b[8];
|
671 |
uint16_t _w[4];
|
672 |
uint32_t _l[2];
|
673 |
float32 _s[2];
|
674 |
uint64_t q; |
675 |
} MMXReg; |
676 |
|
677 |
#ifdef HOST_WORDS_BIGENDIAN
|
678 |
#define XMM_B(n) _b[15 - (n)] |
679 |
#define XMM_W(n) _w[7 - (n)] |
680 |
#define XMM_L(n) _l[3 - (n)] |
681 |
#define XMM_S(n) _s[3 - (n)] |
682 |
#define XMM_Q(n) _q[1 - (n)] |
683 |
#define XMM_D(n) _d[1 - (n)] |
684 |
|
685 |
#define MMX_B(n) _b[7 - (n)] |
686 |
#define MMX_W(n) _w[3 - (n)] |
687 |
#define MMX_L(n) _l[1 - (n)] |
688 |
#define MMX_S(n) _s[1 - (n)] |
689 |
#else
|
690 |
#define XMM_B(n) _b[n]
|
691 |
#define XMM_W(n) _w[n]
|
692 |
#define XMM_L(n) _l[n]
|
693 |
#define XMM_S(n) _s[n]
|
694 |
#define XMM_Q(n) _q[n]
|
695 |
#define XMM_D(n) _d[n]
|
696 |
|
697 |
#define MMX_B(n) _b[n]
|
698 |
#define MMX_W(n) _w[n]
|
699 |
#define MMX_L(n) _l[n]
|
700 |
#define MMX_S(n) _s[n]
|
701 |
#endif
|
702 |
#define MMX_Q(n) q
|
703 |
|
704 |
typedef union { |
705 |
floatx80 d __attribute__((aligned(16)));
|
706 |
MMXReg mmx; |
707 |
} FPReg; |
708 |
|
709 |
typedef struct { |
710 |
uint64_t base; |
711 |
uint64_t mask; |
712 |
} MTRRVar; |
713 |
|
714 |
#define CPU_NB_REGS64 16 |
715 |
#define CPU_NB_REGS32 8 |
716 |
|
717 |
#ifdef TARGET_X86_64
|
718 |
#define CPU_NB_REGS CPU_NB_REGS64
|
719 |
#else
|
720 |
#define CPU_NB_REGS CPU_NB_REGS32
|
721 |
#endif
|
722 |
|
723 |
#define NB_MMU_MODES 3 |
724 |
|
725 |
typedef enum TPRAccess { |
726 |
TPR_ACCESS_READ, |
727 |
TPR_ACCESS_WRITE, |
728 |
} TPRAccess; |
729 |
|
730 |
typedef struct CPUX86State { |
731 |
/* standard registers */
|
732 |
target_ulong regs[CPU_NB_REGS]; |
733 |
target_ulong eip; |
734 |
target_ulong eflags; /* eflags register. During CPU emulation, CC
|
735 |
flags and DF are set to zero because they are
|
736 |
stored elsewhere */
|
737 |
|
738 |
/* emulator internal eflags handling */
|
739 |
target_ulong cc_dst; |
740 |
target_ulong cc_src; |
741 |
target_ulong cc_src2; |
742 |
uint32_t cc_op; |
743 |
int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
|
744 |
uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
|
745 |
are known at translation time. */
|
746 |
uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
|
747 |
|
748 |
/* segments */
|
749 |
SegmentCache segs[6]; /* selector values */ |
750 |
SegmentCache ldt; |
751 |
SegmentCache tr; |
752 |
SegmentCache gdt; /* only base and limit are used */
|
753 |
SegmentCache idt; /* only base and limit are used */
|
754 |
|
755 |
target_ulong cr[5]; /* NOTE: cr1 is unused */ |
756 |
int32_t a20_mask; |
757 |
|
758 |
/* FPU state */
|
759 |
unsigned int fpstt; /* top of stack index */ |
760 |
uint16_t fpus; |
761 |
uint16_t fpuc; |
762 |
uint8_t fptags[8]; /* 0 = valid, 1 = empty */ |
763 |
FPReg fpregs[8];
|
764 |
/* KVM-only so far */
|
765 |
uint16_t fpop; |
766 |
uint64_t fpip; |
767 |
uint64_t fpdp; |
768 |
|
769 |
/* emulator internal variables */
|
770 |
float_status fp_status; |
771 |
floatx80 ft0; |
772 |
|
773 |
float_status mmx_status; /* for 3DNow! float ops */
|
774 |
float_status sse_status; |
775 |
uint32_t mxcsr; |
776 |
XMMReg xmm_regs[CPU_NB_REGS]; |
777 |
XMMReg xmm_t0; |
778 |
MMXReg mmx_t0; |
779 |
|
780 |
/* sysenter registers */
|
781 |
uint32_t sysenter_cs; |
782 |
target_ulong sysenter_esp; |
783 |
target_ulong sysenter_eip; |
784 |
uint64_t efer; |
785 |
uint64_t star; |
786 |
|
787 |
uint64_t vm_hsave; |
788 |
uint64_t vm_vmcb; |
789 |
uint64_t tsc_offset; |
790 |
uint64_t intercept; |
791 |
uint16_t intercept_cr_read; |
792 |
uint16_t intercept_cr_write; |
793 |
uint16_t intercept_dr_read; |
794 |
uint16_t intercept_dr_write; |
795 |
uint32_t intercept_exceptions; |
796 |
uint8_t v_tpr; |
797 |
|
798 |
#ifdef TARGET_X86_64
|
799 |
target_ulong lstar; |
800 |
target_ulong cstar; |
801 |
target_ulong fmask; |
802 |
target_ulong kernelgsbase; |
803 |
#endif
|
804 |
uint64_t system_time_msr; |
805 |
uint64_t wall_clock_msr; |
806 |
uint64_t async_pf_en_msr; |
807 |
uint64_t pv_eoi_en_msr; |
808 |
|
809 |
uint64_t tsc; |
810 |
uint64_t tsc_adjust; |
811 |
uint64_t tsc_deadline; |
812 |
|
813 |
uint64_t mcg_status; |
814 |
uint64_t msr_ia32_misc_enable; |
815 |
|
816 |
/* exception/interrupt handling */
|
817 |
int error_code;
|
818 |
int exception_is_int;
|
819 |
target_ulong exception_next_eip; |
820 |
target_ulong dr[8]; /* debug registers */ |
821 |
union {
|
822 |
CPUBreakpoint *cpu_breakpoint[4];
|
823 |
CPUWatchpoint *cpu_watchpoint[4];
|
824 |
}; /* break/watchpoints for dr[0..3] */
|
825 |
uint32_t smbase; |
826 |
int old_exception; /* exception in flight */ |
827 |
|
828 |
/* KVM states, automatically cleared on reset */
|
829 |
uint8_t nmi_injected; |
830 |
uint8_t nmi_pending; |
831 |
|
832 |
CPU_COMMON |
833 |
|
834 |
uint64_t pat; |
835 |
|
836 |
/* processor features (e.g. for CPUID insn) */
|
837 |
uint32_t cpuid_level; |
838 |
uint32_t cpuid_vendor1; |
839 |
uint32_t cpuid_vendor2; |
840 |
uint32_t cpuid_vendor3; |
841 |
uint32_t cpuid_version; |
842 |
uint32_t cpuid_features; |
843 |
uint32_t cpuid_ext_features; |
844 |
uint32_t cpuid_xlevel; |
845 |
uint32_t cpuid_model[12];
|
846 |
uint32_t cpuid_ext2_features; |
847 |
uint32_t cpuid_ext3_features; |
848 |
uint32_t cpuid_apic_id; |
849 |
/* Store the results of Centaur's CPUID instructions */
|
850 |
uint32_t cpuid_xlevel2; |
851 |
uint32_t cpuid_ext4_features; |
852 |
/* Flags from CPUID[EAX=7,ECX=0].EBX */
|
853 |
uint32_t cpuid_7_0_ebx_features; |
854 |
|
855 |
/* MTRRs */
|
856 |
uint64_t mtrr_fixed[11];
|
857 |
uint64_t mtrr_deftype; |
858 |
MTRRVar mtrr_var[8];
|
859 |
|
860 |
/* For KVM */
|
861 |
uint32_t mp_state; |
862 |
int32_t exception_injected; |
863 |
int32_t interrupt_injected; |
864 |
uint8_t soft_interrupt; |
865 |
uint8_t has_error_code; |
866 |
uint32_t sipi_vector; |
867 |
uint32_t cpuid_kvm_features; |
868 |
uint32_t cpuid_svm_features; |
869 |
bool tsc_valid;
|
870 |
int tsc_khz;
|
871 |
void *kvm_xsave_buf;
|
872 |
|
873 |
/* in order to simplify APIC support, we leave this pointer to the
|
874 |
user */
|
875 |
struct DeviceState *apic_state;
|
876 |
|
877 |
uint64_t mcg_cap; |
878 |
uint64_t mcg_ctl; |
879 |
uint64_t mce_banks[MCE_BANKS_DEF*4];
|
880 |
|
881 |
uint64_t tsc_aux; |
882 |
|
883 |
/* vmstate */
|
884 |
uint16_t fpus_vmstate; |
885 |
uint16_t fptag_vmstate; |
886 |
uint16_t fpregs_format_vmstate; |
887 |
|
888 |
uint64_t xstate_bv; |
889 |
XMMReg ymmh_regs[CPU_NB_REGS]; |
890 |
|
891 |
uint64_t xcr0; |
892 |
|
893 |
TPRAccess tpr_access_type; |
894 |
} CPUX86State; |
895 |
|
896 |
#include "cpu-qom.h" |
897 |
|
898 |
X86CPU *cpu_x86_init(const char *cpu_model); |
899 |
int cpu_x86_exec(CPUX86State *s);
|
900 |
void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf);
|
901 |
void x86_cpudef_setup(void); |
902 |
int cpu_x86_support_mca_broadcast(CPUX86State *env);
|
903 |
|
904 |
int cpu_get_pic_interrupt(CPUX86State *s);
|
905 |
/* MSDOS compatibility mode FPU exception support */
|
906 |
void cpu_set_ferr(CPUX86State *s);
|
907 |
|
908 |
/* this function must always be used to load data in the segment
|
909 |
cache: it synchronizes the hflags with the segment cache values */
|
910 |
static inline void cpu_x86_load_seg_cache(CPUX86State *env, |
911 |
int seg_reg, unsigned int selector, |
912 |
target_ulong base, |
913 |
unsigned int limit, |
914 |
unsigned int flags) |
915 |
{ |
916 |
SegmentCache *sc; |
917 |
unsigned int new_hflags; |
918 |
|
919 |
sc = &env->segs[seg_reg]; |
920 |
sc->selector = selector; |
921 |
sc->base = base; |
922 |
sc->limit = limit; |
923 |
sc->flags = flags; |
924 |
|
925 |
/* update the hidden flags */
|
926 |
{ |
927 |
if (seg_reg == R_CS) {
|
928 |
#ifdef TARGET_X86_64
|
929 |
if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
|
930 |
/* long mode */
|
931 |
env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK; |
932 |
env->hflags &= ~(HF_ADDSEG_MASK); |
933 |
} else
|
934 |
#endif
|
935 |
{ |
936 |
/* legacy / compatibility case */
|
937 |
new_hflags = (env->segs[R_CS].flags & DESC_B_MASK) |
938 |
>> (DESC_B_SHIFT - HF_CS32_SHIFT); |
939 |
env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) | |
940 |
new_hflags; |
941 |
} |
942 |
} |
943 |
new_hflags = (env->segs[R_SS].flags & DESC_B_MASK) |
944 |
>> (DESC_B_SHIFT - HF_SS32_SHIFT); |
945 |
if (env->hflags & HF_CS64_MASK) {
|
946 |
/* zero base assumed for DS, ES and SS in long mode */
|
947 |
} else if (!(env->cr[0] & CR0_PE_MASK) || |
948 |
(env->eflags & VM_MASK) || |
949 |
!(env->hflags & HF_CS32_MASK)) { |
950 |
/* XXX: try to avoid this test. The problem comes from the
|
951 |
fact that is real mode or vm86 mode we only modify the
|
952 |
'base' and 'selector' fields of the segment cache to go
|
953 |
faster. A solution may be to force addseg to one in
|
954 |
translate-i386.c. */
|
955 |
new_hflags |= HF_ADDSEG_MASK; |
956 |
} else {
|
957 |
new_hflags |= ((env->segs[R_DS].base | |
958 |
env->segs[R_ES].base | |
959 |
env->segs[R_SS].base) != 0) <<
|
960 |
HF_ADDSEG_SHIFT; |
961 |
} |
962 |
env->hflags = (env->hflags & |
963 |
~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags; |
964 |
} |
965 |
} |
966 |
|
967 |
static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu, |
968 |
int sipi_vector)
|
969 |
{ |
970 |
CPUState *cs = CPU(cpu); |
971 |
CPUX86State *env = &cpu->env; |
972 |
|
973 |
env->eip = 0;
|
974 |
cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
|
975 |
sipi_vector << 12,
|
976 |
env->segs[R_CS].limit, |
977 |
env->segs[R_CS].flags); |
978 |
cs->halted = 0;
|
979 |
} |
980 |
|
981 |
int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector, |
982 |
target_ulong *base, unsigned int *limit, |
983 |
unsigned int *flags); |
984 |
|
985 |
/* wrapper, just in case memory mappings must be changed */
|
986 |
static inline void cpu_x86_set_cpl(CPUX86State *s, int cpl) |
987 |
{ |
988 |
#if HF_CPL_MASK == 3 |
989 |
s->hflags = (s->hflags & ~HF_CPL_MASK) | cpl; |
990 |
#else
|
991 |
#error HF_CPL_MASK is hardcoded
|
992 |
#endif
|
993 |
} |
994 |
|
995 |
/* op_helper.c */
|
996 |
/* used for debug or cpu save/restore */
|
997 |
void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f);
|
998 |
floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper); |
999 |
|
1000 |
/* cpu-exec.c */
|
1001 |
/* the following helpers are only usable in user mode simulation as
|
1002 |
they can trigger unexpected exceptions */
|
1003 |
void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector); |
1004 |
void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32); |
1005 |
void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32); |
1006 |
|
1007 |
/* you can call this signal handler from your SIGBUS and SIGSEGV
|
1008 |
signal handlers to inform the virtual CPU of exceptions. non zero
|
1009 |
is returned if the signal was handled by the virtual CPU. */
|
1010 |
int cpu_x86_signal_handler(int host_signum, void *pinfo, |
1011 |
void *puc);
|
1012 |
|
1013 |
/* cpuid.c */
|
1014 |
void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
|
1015 |
uint32_t *eax, uint32_t *ebx, |
1016 |
uint32_t *ecx, uint32_t *edx); |
1017 |
void cpu_clear_apic_feature(CPUX86State *env);
|
1018 |
void host_cpuid(uint32_t function, uint32_t count,
|
1019 |
uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx); |
1020 |
|
1021 |
/* helper.c */
|
1022 |
int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
|
1023 |
int is_write, int mmu_idx); |
1024 |
#define cpu_handle_mmu_fault cpu_x86_handle_mmu_fault
|
1025 |
void x86_cpu_set_a20(X86CPU *cpu, int a20_state); |
1026 |
|
1027 |
static inline bool hw_local_breakpoint_enabled(unsigned long dr7, int index) |
1028 |
{ |
1029 |
return (dr7 >> (index * 2)) & 1; |
1030 |
} |
1031 |
|
1032 |
static inline bool hw_global_breakpoint_enabled(unsigned long dr7, int index) |
1033 |
{ |
1034 |
return (dr7 >> (index * 2)) & 2; |
1035 |
|
1036 |
} |
1037 |
static inline bool hw_breakpoint_enabled(unsigned long dr7, int index) |
1038 |
{ |
1039 |
return hw_global_breakpoint_enabled(dr7, index) ||
|
1040 |
hw_local_breakpoint_enabled(dr7, index); |
1041 |
} |
1042 |
|
1043 |
static inline int hw_breakpoint_type(unsigned long dr7, int index) |
1044 |
{ |
1045 |
return (dr7 >> (DR7_TYPE_SHIFT + (index * 4))) & 3; |
1046 |
} |
1047 |
|
1048 |
static inline int hw_breakpoint_len(unsigned long dr7, int index) |
1049 |
{ |
1050 |
int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 4))) & 3); |
1051 |
return (len == 2) ? 8 : len + 1; |
1052 |
} |
1053 |
|
1054 |
void hw_breakpoint_insert(CPUX86State *env, int index); |
1055 |
void hw_breakpoint_remove(CPUX86State *env, int index); |
1056 |
bool check_hw_breakpoints(CPUX86State *env, bool force_dr6_update); |
1057 |
void breakpoint_handler(CPUX86State *env);
|
1058 |
|
1059 |
/* will be suppressed */
|
1060 |
void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
|
1061 |
void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
|
1062 |
void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
|
1063 |
|
1064 |
/* hw/pc.c */
|
1065 |
void cpu_smm_update(CPUX86State *env);
|
1066 |
uint64_t cpu_get_tsc(CPUX86State *env); |
1067 |
|
1068 |
#define TARGET_PAGE_BITS 12 |
1069 |
|
1070 |
#ifdef TARGET_X86_64
|
1071 |
#define TARGET_PHYS_ADDR_SPACE_BITS 52 |
1072 |
/* ??? This is really 48 bits, sign-extended, but the only thing
|
1073 |
accessible to userland with bit 48 set is the VSYSCALL, and that
|
1074 |
is handled via other mechanisms. */
|
1075 |
#define TARGET_VIRT_ADDR_SPACE_BITS 47 |
1076 |
#else
|
1077 |
#define TARGET_PHYS_ADDR_SPACE_BITS 36 |
1078 |
#define TARGET_VIRT_ADDR_SPACE_BITS 32 |
1079 |
#endif
|
1080 |
|
1081 |
static inline CPUX86State *cpu_init(const char *cpu_model) |
1082 |
{ |
1083 |
X86CPU *cpu = cpu_x86_init(cpu_model); |
1084 |
if (cpu == NULL) { |
1085 |
return NULL; |
1086 |
} |
1087 |
return &cpu->env;
|
1088 |
} |
1089 |
|
1090 |
#define cpu_exec cpu_x86_exec
|
1091 |
#define cpu_gen_code cpu_x86_gen_code
|
1092 |
#define cpu_signal_handler cpu_x86_signal_handler
|
1093 |
#define cpu_list x86_cpu_list
|
1094 |
#define cpudef_setup x86_cpudef_setup
|
1095 |
|
1096 |
/* MMU modes definitions */
|
1097 |
#define MMU_MODE0_SUFFIX _kernel
|
1098 |
#define MMU_MODE1_SUFFIX _user
|
1099 |
#define MMU_MODE2_SUFFIX _ksmap /* Kernel with SMAP override */ |
1100 |
#define MMU_KERNEL_IDX 0 |
1101 |
#define MMU_USER_IDX 1 |
1102 |
#define MMU_KSMAP_IDX 2 |
1103 |
static inline int cpu_mmu_index (CPUX86State *env) |
1104 |
{ |
1105 |
return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX : |
1106 |
((env->hflags & HF_SMAP_MASK) && (env->eflags & AC_MASK)) |
1107 |
? MMU_KSMAP_IDX : MMU_KERNEL_IDX; |
1108 |
} |
1109 |
|
1110 |
#undef EAX
|
1111 |
#define EAX (env->regs[R_EAX])
|
1112 |
#undef ECX
|
1113 |
#define ECX (env->regs[R_ECX])
|
1114 |
#undef EDX
|
1115 |
#define EDX (env->regs[R_EDX])
|
1116 |
#undef EBX
|
1117 |
#define EBX (env->regs[R_EBX])
|
1118 |
#undef ESP
|
1119 |
#define ESP (env->regs[R_ESP])
|
1120 |
#undef EBP
|
1121 |
#define EBP (env->regs[R_EBP])
|
1122 |
#undef ESI
|
1123 |
#define ESI (env->regs[R_ESI])
|
1124 |
#undef EDI
|
1125 |
#define EDI (env->regs[R_EDI])
|
1126 |
#undef EIP
|
1127 |
#define EIP (env->eip)
|
1128 |
#define DF (env->df)
|
1129 |
|
1130 |
#define CC_DST (env->cc_dst)
|
1131 |
#define CC_SRC (env->cc_src)
|
1132 |
#define CC_SRC2 (env->cc_src2)
|
1133 |
#define CC_OP (env->cc_op)
|
1134 |
|
1135 |
/* n must be a constant to be efficient */
|
1136 |
static inline target_long lshift(target_long x, int n) |
1137 |
{ |
1138 |
if (n >= 0) { |
1139 |
return x << n;
|
1140 |
} else {
|
1141 |
return x >> (-n);
|
1142 |
} |
1143 |
} |
1144 |
|
1145 |
/* float macros */
|
1146 |
#define FT0 (env->ft0)
|
1147 |
#define ST0 (env->fpregs[env->fpstt].d)
|
1148 |
#define ST(n) (env->fpregs[(env->fpstt + (n)) & 7].d) |
1149 |
#define ST1 ST(1) |
1150 |
|
1151 |
/* translate.c */
|
1152 |
void optimize_flags_init(void); |
1153 |
|
1154 |
#if defined(CONFIG_USER_ONLY)
|
1155 |
static inline void cpu_clone_regs(CPUX86State *env, target_ulong newsp) |
1156 |
{ |
1157 |
if (newsp)
|
1158 |
env->regs[R_ESP] = newsp; |
1159 |
env->regs[R_EAX] = 0;
|
1160 |
} |
1161 |
#endif
|
1162 |
|
1163 |
#include "exec/cpu-all.h" |
1164 |
#include "svm.h" |
1165 |
|
1166 |
#if !defined(CONFIG_USER_ONLY)
|
1167 |
#include "hw/i386/apic.h" |
1168 |
#endif
|
1169 |
|
1170 |
static inline bool cpu_has_work(CPUState *cs) |
1171 |
{ |
1172 |
X86CPU *cpu = X86_CPU(cs); |
1173 |
CPUX86State *env = &cpu->env; |
1174 |
|
1175 |
return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
|
1176 |
CPU_INTERRUPT_POLL)) && |
1177 |
(env->eflags & IF_MASK)) || |
1178 |
(cs->interrupt_request & (CPU_INTERRUPT_NMI | |
1179 |
CPU_INTERRUPT_INIT | |
1180 |
CPU_INTERRUPT_SIPI | |
1181 |
CPU_INTERRUPT_MCE)); |
1182 |
} |
1183 |
|
1184 |
#include "exec/exec-all.h" |
1185 |
|
1186 |
static inline void cpu_pc_from_tb(CPUX86State *env, TranslationBlock *tb) |
1187 |
{ |
1188 |
env->eip = tb->pc - tb->cs_base; |
1189 |
} |
1190 |
|
1191 |
static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc, |
1192 |
target_ulong *cs_base, int *flags)
|
1193 |
{ |
1194 |
*cs_base = env->segs[R_CS].base; |
1195 |
*pc = *cs_base + env->eip; |
1196 |
*flags = env->hflags | |
1197 |
(env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK)); |
1198 |
} |
1199 |
|
1200 |
void do_cpu_init(X86CPU *cpu);
|
1201 |
void do_cpu_sipi(X86CPU *cpu);
|
1202 |
|
1203 |
#define MCE_INJECT_BROADCAST 1 |
1204 |
#define MCE_INJECT_UNCOND_AO 2 |
1205 |
|
1206 |
void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank, |
1207 |
uint64_t status, uint64_t mcg_status, uint64_t addr, |
1208 |
uint64_t misc, int flags);
|
1209 |
|
1210 |
/* excp_helper.c */
|
1211 |
void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index); |
1212 |
void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index, |
1213 |
int error_code);
|
1214 |
void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int, |
1215 |
int error_code, int next_eip_addend); |
1216 |
|
1217 |
/* cc_helper.c */
|
1218 |
extern const uint8_t parity_table[256]; |
1219 |
uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
|
1220 |
|
1221 |
static inline uint32_t cpu_compute_eflags(CPUX86State *env) |
1222 |
{ |
1223 |
return env->eflags | cpu_cc_compute_all(env, CC_OP) | (DF & DF_MASK);
|
1224 |
} |
1225 |
|
1226 |
/* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */
|
1227 |
static inline void cpu_load_eflags(CPUX86State *env, int eflags, |
1228 |
int update_mask)
|
1229 |
{ |
1230 |
CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); |
1231 |
DF = 1 - (2 * ((eflags >> 10) & 1)); |
1232 |
env->eflags = (env->eflags & ~update_mask) | |
1233 |
(eflags & update_mask) | 0x2;
|
1234 |
} |
1235 |
|
1236 |
/* load efer and update the corresponding hflags. XXX: do consistency
|
1237 |
checks with cpuid bits? */
|
1238 |
static inline void cpu_load_efer(CPUX86State *env, uint64_t val) |
1239 |
{ |
1240 |
env->efer = val; |
1241 |
env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK); |
1242 |
if (env->efer & MSR_EFER_LMA) {
|
1243 |
env->hflags |= HF_LMA_MASK; |
1244 |
} |
1245 |
if (env->efer & MSR_EFER_SVME) {
|
1246 |
env->hflags |= HF_SVME_MASK; |
1247 |
} |
1248 |
} |
1249 |
|
1250 |
/* svm_helper.c */
|
1251 |
void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
|
1252 |
uint64_t param); |
1253 |
void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1);
|
1254 |
|
1255 |
/* seg_helper.c */
|
1256 |
void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw); |
1257 |
|
1258 |
void do_smm_enter(CPUX86State *env1);
|
1259 |
|
1260 |
void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
|
1261 |
|
1262 |
void disable_kvm_pv_eoi(void); |
1263 |
|
1264 |
/* Return name of 32-bit register, from a R_* constant */
|
1265 |
const char *get_register_name_32(unsigned int reg); |
1266 |
|
1267 |
uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index); |
1268 |
void enable_compat_apic_id_mode(void); |
1269 |
|
1270 |
#define APIC_DEFAULT_ADDRESS 0xfee00000 |
1271 |
|
1272 |
#endif /* CPU_I386_H */ |