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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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#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)
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#define CPUID_EXT_DCA      (1 << 18)
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#define CPUID_EXT_SSE41    (1 << 19)
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#define CPUID_EXT_SSE42    (1 << 20)
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#define CPUID_EXT_X2APIC   (1 << 21)
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#define CPUID_EXT_MOVBE    (1 << 22)
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#define CPUID_EXT_POPCNT   (1 << 23)
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#define CPUID_EXT_TSC_DEADLINE_TIMER (1 << 24)
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#define CPUID_EXT_AES      (1 << 25)
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#define CPUID_EXT_XSAVE    (1 << 26)
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#define CPUID_EXT_OSXSAVE  (1 << 27)
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#define CPUID_EXT_AVX      (1 << 28)
444
#define CPUID_EXT_F16C     (1 << 29)
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#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)
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#define CPUID_EXT2_TSC     (1 << 4)
453
#define CPUID_EXT2_MSR     (1 << 5)
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#define CPUID_EXT2_PAE     (1 << 6)
455
#define CPUID_EXT2_MCE     (1 << 7)
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#define CPUID_EXT2_CX8     (1 << 8)
457
#define CPUID_EXT2_APIC    (1 << 9)
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#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 steal_time_msr;
807
    uint64_t async_pf_en_msr;
808
    uint64_t pv_eoi_en_msr;
809

    
810
    uint64_t tsc;
811
    uint64_t tsc_adjust;
812
    uint64_t tsc_deadline;
813

    
814
    uint64_t mcg_status;
815
    uint64_t msr_ia32_misc_enable;
816

    
817
    /* exception/interrupt handling */
818
    int error_code;
819
    int exception_is_int;
820
    target_ulong exception_next_eip;
821
    target_ulong dr[8]; /* debug registers */
822
    union {
823
        CPUBreakpoint *cpu_breakpoint[4];
824
        CPUWatchpoint *cpu_watchpoint[4];
825
    }; /* break/watchpoints for dr[0..3] */
826
    uint32_t smbase;
827
    int old_exception;  /* exception in flight */
828

    
829
    /* KVM states, automatically cleared on reset */
830
    uint8_t nmi_injected;
831
    uint8_t nmi_pending;
832

    
833
    CPU_COMMON
834

    
835
    uint64_t pat;
836

    
837
    /* processor features (e.g. for CPUID insn) */
838
    uint32_t cpuid_level;
839
    uint32_t cpuid_xlevel;
840
    uint32_t cpuid_xlevel2;
841
    uint32_t cpuid_vendor1;
842
    uint32_t cpuid_vendor2;
843
    uint32_t cpuid_vendor3;
844
    uint32_t cpuid_version;
845
    FeatureWordArray features;
846
    uint32_t cpuid_model[12];
847
    uint32_t cpuid_apic_id;
848

    
849
    /* MTRRs */
850
    uint64_t mtrr_fixed[11];
851
    uint64_t mtrr_deftype;
852
    MTRRVar mtrr_var[8];
853

    
854
    /* For KVM */
855
    uint32_t mp_state;
856
    int32_t exception_injected;
857
    int32_t interrupt_injected;
858
    uint8_t soft_interrupt;
859
    uint8_t has_error_code;
860
    uint32_t sipi_vector;
861
    bool tsc_valid;
862
    int tsc_khz;
863
    void *kvm_xsave_buf;
864

    
865
    /* in order to simplify APIC support, we leave this pointer to the
866
       user */
867
    struct DeviceState *apic_state;
868

    
869
    uint64_t mcg_cap;
870
    uint64_t mcg_ctl;
871
    uint64_t mce_banks[MCE_BANKS_DEF*4];
872

    
873
    uint64_t tsc_aux;
874

    
875
    /* vmstate */
876
    uint16_t fpus_vmstate;
877
    uint16_t fptag_vmstate;
878
    uint16_t fpregs_format_vmstate;
879

    
880
    uint64_t xstate_bv;
881
    XMMReg ymmh_regs[CPU_NB_REGS];
882

    
883
    uint64_t xcr0;
884

    
885
    TPRAccess tpr_access_type;
886
} CPUX86State;
887

    
888
#include "cpu-qom.h"
889

    
890
X86CPU *cpu_x86_init(const char *cpu_model);
891
X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,
892
                       Error **errp);
893
int cpu_x86_exec(CPUX86State *s);
894
void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf);
895
void x86_cpudef_setup(void);
896
int cpu_x86_support_mca_broadcast(CPUX86State *env);
897

    
898
int cpu_get_pic_interrupt(CPUX86State *s);
899
/* MSDOS compatibility mode FPU exception support */
900
void cpu_set_ferr(CPUX86State *s);
901

    
902
/* this function must always be used to load data in the segment
903
   cache: it synchronizes the hflags with the segment cache values */
904
static inline void cpu_x86_load_seg_cache(CPUX86State *env,
905
                                          int seg_reg, unsigned int selector,
906
                                          target_ulong base,
907
                                          unsigned int limit,
908
                                          unsigned int flags)
909
{
910
    SegmentCache *sc;
911
    unsigned int new_hflags;
912

    
913
    sc = &env->segs[seg_reg];
914
    sc->selector = selector;
915
    sc->base = base;
916
    sc->limit = limit;
917
    sc->flags = flags;
918

    
919
    /* update the hidden flags */
920
    {
921
        if (seg_reg == R_CS) {
922
#ifdef TARGET_X86_64
923
            if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
924
                /* long mode */
925
                env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
926
                env->hflags &= ~(HF_ADDSEG_MASK);
927
            } else
928
#endif
929
            {
930
                /* legacy / compatibility case */
931
                new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
932
                    >> (DESC_B_SHIFT - HF_CS32_SHIFT);
933
                env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
934
                    new_hflags;
935
            }
936
        }
937
        new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
938
            >> (DESC_B_SHIFT - HF_SS32_SHIFT);
939
        if (env->hflags & HF_CS64_MASK) {
940
            /* zero base assumed for DS, ES and SS in long mode */
941
        } else if (!(env->cr[0] & CR0_PE_MASK) ||
942
                   (env->eflags & VM_MASK) ||
943
                   !(env->hflags & HF_CS32_MASK)) {
944
            /* XXX: try to avoid this test. The problem comes from the
945
               fact that is real mode or vm86 mode we only modify the
946
               'base' and 'selector' fields of the segment cache to go
947
               faster. A solution may be to force addseg to one in
948
               translate-i386.c. */
949
            new_hflags |= HF_ADDSEG_MASK;
950
        } else {
951
            new_hflags |= ((env->segs[R_DS].base |
952
                            env->segs[R_ES].base |
953
                            env->segs[R_SS].base) != 0) <<
954
                HF_ADDSEG_SHIFT;
955
        }
956
        env->hflags = (env->hflags &
957
                       ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
958
    }
959
}
960

    
961
static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
962
                                               int sipi_vector)
963
{
964
    CPUState *cs = CPU(cpu);
965
    CPUX86State *env = &cpu->env;
966

    
967
    env->eip = 0;
968
    cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
969
                           sipi_vector << 12,
970
                           env->segs[R_CS].limit,
971
                           env->segs[R_CS].flags);
972
    cs->halted = 0;
973
}
974

    
975
int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
976
                            target_ulong *base, unsigned int *limit,
977
                            unsigned int *flags);
978

    
979
/* wrapper, just in case memory mappings must be changed */
980
static inline void cpu_x86_set_cpl(CPUX86State *s, int cpl)
981
{
982
#if HF_CPL_MASK == 3
983
    s->hflags = (s->hflags & ~HF_CPL_MASK) | cpl;
984
#else
985
#error HF_CPL_MASK is hardcoded
986
#endif
987
}
988

    
989
/* op_helper.c */
990
/* used for debug or cpu save/restore */
991
void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f);
992
floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper);
993

    
994
/* cpu-exec.c */
995
/* the following helpers are only usable in user mode simulation as
996
   they can trigger unexpected exceptions */
997
void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
998
void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
999
void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
1000

    
1001
/* you can call this signal handler from your SIGBUS and SIGSEGV
1002
   signal handlers to inform the virtual CPU of exceptions. non zero
1003
   is returned if the signal was handled by the virtual CPU.  */
1004
int cpu_x86_signal_handler(int host_signum, void *pinfo,
1005
                           void *puc);
1006

    
1007
/* cpuid.c */
1008
void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1009
                   uint32_t *eax, uint32_t *ebx,
1010
                   uint32_t *ecx, uint32_t *edx);
1011
void cpu_clear_apic_feature(CPUX86State *env);
1012
void host_cpuid(uint32_t function, uint32_t count,
1013
                uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
1014

    
1015
/* helper.c */
1016
int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
1017
                             int is_write, int mmu_idx);
1018
#define cpu_handle_mmu_fault cpu_x86_handle_mmu_fault
1019
void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
1020

    
1021
static inline bool hw_local_breakpoint_enabled(unsigned long dr7, int index)
1022
{
1023
    return (dr7 >> (index * 2)) & 1;
1024
}
1025

    
1026
static inline bool hw_global_breakpoint_enabled(unsigned long dr7, int index)
1027
{
1028
    return (dr7 >> (index * 2)) & 2;
1029

    
1030
}
1031
static inline bool hw_breakpoint_enabled(unsigned long dr7, int index)
1032
{
1033
    return hw_global_breakpoint_enabled(dr7, index) ||
1034
           hw_local_breakpoint_enabled(dr7, index);
1035
}
1036

    
1037
static inline int hw_breakpoint_type(unsigned long dr7, int index)
1038
{
1039
    return (dr7 >> (DR7_TYPE_SHIFT + (index * 4))) & 3;
1040
}
1041

    
1042
static inline int hw_breakpoint_len(unsigned long dr7, int index)
1043
{
1044
    int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 4))) & 3);
1045
    return (len == 2) ? 8 : len + 1;
1046
}
1047

    
1048
void hw_breakpoint_insert(CPUX86State *env, int index);
1049
void hw_breakpoint_remove(CPUX86State *env, int index);
1050
bool check_hw_breakpoints(CPUX86State *env, bool force_dr6_update);
1051
void breakpoint_handler(CPUX86State *env);
1052

    
1053
/* will be suppressed */
1054
void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
1055
void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
1056
void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
1057

    
1058
/* hw/pc.c */
1059
void cpu_smm_update(CPUX86State *env);
1060
uint64_t cpu_get_tsc(CPUX86State *env);
1061

    
1062
#define TARGET_PAGE_BITS 12
1063

    
1064
#ifdef TARGET_X86_64
1065
#define TARGET_PHYS_ADDR_SPACE_BITS 52
1066
/* ??? This is really 48 bits, sign-extended, but the only thing
1067
   accessible to userland with bit 48 set is the VSYSCALL, and that
1068
   is handled via other mechanisms.  */
1069
#define TARGET_VIRT_ADDR_SPACE_BITS 47
1070
#else
1071
#define TARGET_PHYS_ADDR_SPACE_BITS 36
1072
#define TARGET_VIRT_ADDR_SPACE_BITS 32
1073
#endif
1074

    
1075
static inline CPUX86State *cpu_init(const char *cpu_model)
1076
{
1077
    X86CPU *cpu = cpu_x86_init(cpu_model);
1078
    if (cpu == NULL) {
1079
        return NULL;
1080
    }
1081
    return &cpu->env;
1082
}
1083

    
1084
#define cpu_exec cpu_x86_exec
1085
#define cpu_gen_code cpu_x86_gen_code
1086
#define cpu_signal_handler cpu_x86_signal_handler
1087
#define cpu_list x86_cpu_list
1088
#define cpudef_setup        x86_cpudef_setup
1089

    
1090
/* MMU modes definitions */
1091
#define MMU_MODE0_SUFFIX _kernel
1092
#define MMU_MODE1_SUFFIX _user
1093
#define MMU_MODE2_SUFFIX _ksmap /* Kernel with SMAP override */
1094
#define MMU_KERNEL_IDX  0
1095
#define MMU_USER_IDX    1
1096
#define MMU_KSMAP_IDX   2
1097
static inline int cpu_mmu_index (CPUX86State *env)
1098
{
1099
    return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
1100
        ((env->hflags & HF_SMAP_MASK) && (env->eflags & AC_MASK))
1101
        ? MMU_KSMAP_IDX : MMU_KERNEL_IDX;
1102
}
1103

    
1104
#define CC_DST  (env->cc_dst)
1105
#define CC_SRC  (env->cc_src)
1106
#define CC_SRC2 (env->cc_src2)
1107
#define CC_OP   (env->cc_op)
1108

    
1109
/* n must be a constant to be efficient */
1110
static inline target_long lshift(target_long x, int n)
1111
{
1112
    if (n >= 0) {
1113
        return x << n;
1114
    } else {
1115
        return x >> (-n);
1116
    }
1117
}
1118

    
1119
/* float macros */
1120
#define FT0    (env->ft0)
1121
#define ST0    (env->fpregs[env->fpstt].d)
1122
#define ST(n)  (env->fpregs[(env->fpstt + (n)) & 7].d)
1123
#define ST1    ST(1)
1124

    
1125
/* translate.c */
1126
void optimize_flags_init(void);
1127

    
1128
#include "exec/cpu-all.h"
1129
#include "svm.h"
1130

    
1131
#if !defined(CONFIG_USER_ONLY)
1132
#include "hw/i386/apic.h"
1133
#endif
1134

    
1135
static inline bool cpu_has_work(CPUState *cs)
1136
{
1137
    X86CPU *cpu = X86_CPU(cs);
1138
    CPUX86State *env = &cpu->env;
1139

    
1140
    return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
1141
                                      CPU_INTERRUPT_POLL)) &&
1142
            (env->eflags & IF_MASK)) ||
1143
           (cs->interrupt_request & (CPU_INTERRUPT_NMI |
1144
                                     CPU_INTERRUPT_INIT |
1145
                                     CPU_INTERRUPT_SIPI |
1146
                                     CPU_INTERRUPT_MCE));
1147
}
1148

    
1149
#include "exec/exec-all.h"
1150

    
1151
static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc,
1152
                                        target_ulong *cs_base, int *flags)
1153
{
1154
    *cs_base = env->segs[R_CS].base;
1155
    *pc = *cs_base + env->eip;
1156
    *flags = env->hflags |
1157
        (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK));
1158
}
1159

    
1160
void do_cpu_init(X86CPU *cpu);
1161
void do_cpu_sipi(X86CPU *cpu);
1162

    
1163
#define MCE_INJECT_BROADCAST    1
1164
#define MCE_INJECT_UNCOND_AO    2
1165

    
1166
void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
1167
                        uint64_t status, uint64_t mcg_status, uint64_t addr,
1168
                        uint64_t misc, int flags);
1169

    
1170
/* excp_helper.c */
1171
void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
1172
void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
1173
                                       int error_code);
1174
void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
1175
                                   int error_code, int next_eip_addend);
1176

    
1177
/* cc_helper.c */
1178
extern const uint8_t parity_table[256];
1179
uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
1180

    
1181
static inline uint32_t cpu_compute_eflags(CPUX86State *env)
1182
{
1183
    return env->eflags | cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
1184
}
1185

    
1186
/* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */
1187
static inline void cpu_load_eflags(CPUX86State *env, int eflags,
1188
                                   int update_mask)
1189
{
1190
    CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
1191
    env->df = 1 - (2 * ((eflags >> 10) & 1));
1192
    env->eflags = (env->eflags & ~update_mask) |
1193
        (eflags & update_mask) | 0x2;
1194
}
1195

    
1196
/* load efer and update the corresponding hflags. XXX: do consistency
1197
   checks with cpuid bits? */
1198
static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
1199
{
1200
    env->efer = val;
1201
    env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
1202
    if (env->efer & MSR_EFER_LMA) {
1203
        env->hflags |= HF_LMA_MASK;
1204
    }
1205
    if (env->efer & MSR_EFER_SVME) {
1206
        env->hflags |= HF_SVME_MASK;
1207
    }
1208
}
1209

    
1210
/* svm_helper.c */
1211
void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
1212
                                   uint64_t param);
1213
void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1);
1214

    
1215
/* seg_helper.c */
1216
void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
1217

    
1218
void do_smm_enter(X86CPU *cpu);
1219

    
1220
void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
1221

    
1222
void disable_kvm_pv_eoi(void);
1223

    
1224
void x86_cpu_compat_set_features(const char *cpu_model, FeatureWord w,
1225
                                 uint32_t feat_add, uint32_t feat_remove);
1226

    
1227

    
1228
/* Return name of 32-bit register, from a R_* constant */
1229
const char *get_register_name_32(unsigned int reg);
1230

    
1231
uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index);
1232
void enable_compat_apic_id_mode(void);
1233

    
1234
#define APIC_DEFAULT_ADDRESS 0xfee00000
1235
#define APIC_SPACE_SIZE      0x100000
1236

    
1237
#endif /* CPU_I386_H */