symbian-qemu-0.9.1-12/qemu-symbian-svp/target-i386/cpu.h
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/target-i386/cpu.h	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,854 @@
+/*
+ * i386 virtual CPU header
+ *
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef CPU_I386_H
+#define CPU_I386_H
+
+#include "config.h"
+
+#ifdef TARGET_X86_64
+#define TARGET_LONG_BITS 64
+#else
+#define TARGET_LONG_BITS 32
+#endif
+
+/* target supports implicit self modifying code */
+#define TARGET_HAS_SMC
+/* support for self modifying code even if the modified instruction is
+   close to the modifying instruction */
+#define TARGET_HAS_PRECISE_SMC
+
+#define TARGET_HAS_ICE 1
+
+#ifdef TARGET_X86_64
+#define ELF_MACHINE	EM_X86_64
+#else
+#define ELF_MACHINE	EM_386
+#endif
+
+#include "cpu-defs.h"
+
+#include "softfloat.h"
+
+#define R_EAX 0
+#define R_ECX 1
+#define R_EDX 2
+#define R_EBX 3
+#define R_ESP 4
+#define R_EBP 5
+#define R_ESI 6
+#define R_EDI 7
+
+#define R_AL 0
+#define R_CL 1
+#define R_DL 2
+#define R_BL 3
+#define R_AH 4
+#define R_CH 5
+#define R_DH 6
+#define R_BH 7
+
+#define R_ES 0
+#define R_CS 1
+#define R_SS 2
+#define R_DS 3
+#define R_FS 4
+#define R_GS 5
+
+/* segment descriptor fields */
+#define DESC_G_MASK     (1 << 23)
+#define DESC_B_SHIFT    22
+#define DESC_B_MASK     (1 << DESC_B_SHIFT)
+#define DESC_L_SHIFT    21 /* x86_64 only : 64 bit code segment */
+#define DESC_L_MASK     (1 << DESC_L_SHIFT)
+#define DESC_AVL_MASK   (1 << 20)
+#define DESC_P_MASK     (1 << 15)
+#define DESC_DPL_SHIFT  13
+#define DESC_DPL_MASK   (1 << DESC_DPL_SHIFT)
+#define DESC_S_MASK     (1 << 12)
+#define DESC_TYPE_SHIFT 8
+#define DESC_A_MASK     (1 << 8)
+
+#define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
+#define DESC_C_MASK     (1 << 10) /* code: conforming */
+#define DESC_R_MASK     (1 << 9)  /* code: readable */
+
+#define DESC_E_MASK     (1 << 10) /* data: expansion direction */
+#define DESC_W_MASK     (1 << 9)  /* data: writable */
+
+#define DESC_TSS_BUSY_MASK (1 << 9)
+
+/* eflags masks */
+#define CC_C   	0x0001
+#define CC_P 	0x0004
+#define CC_A	0x0010
+#define CC_Z	0x0040
+#define CC_S    0x0080
+#define CC_O    0x0800
+
+#define TF_SHIFT   8
+#define IOPL_SHIFT 12
+#define VM_SHIFT   17
+
+#define TF_MASK 		0x00000100
+#define IF_MASK 		0x00000200
+#define DF_MASK 		0x00000400
+#define IOPL_MASK		0x00003000
+#define NT_MASK	         	0x00004000
+#define RF_MASK			0x00010000
+#define VM_MASK			0x00020000
+#define AC_MASK			0x00040000
+#define VIF_MASK                0x00080000
+#define VIP_MASK                0x00100000
+#define ID_MASK                 0x00200000
+
+/* hidden flags - used internally by qemu to represent additional cpu
+   states. Only the CPL, INHIBIT_IRQ, SMM and SVMI are not
+   redundant. We avoid using the IOPL_MASK, TF_MASK and VM_MASK bit
+   position to ease oring with eflags. */
+/* current cpl */
+#define HF_CPL_SHIFT         0
+/* true if soft mmu is being used */
+#define HF_SOFTMMU_SHIFT     2
+/* true if hardware interrupts must be disabled for next instruction */
+#define HF_INHIBIT_IRQ_SHIFT 3
+/* 16 or 32 segments */
+#define HF_CS32_SHIFT        4
+#define HF_SS32_SHIFT        5
+/* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */
+#define HF_ADDSEG_SHIFT      6
+/* copy of CR0.PE (protected mode) */
+#define HF_PE_SHIFT          7
+#define HF_TF_SHIFT          8 /* must be same as eflags */
+#define HF_MP_SHIFT          9 /* the order must be MP, EM, TS */
+#define HF_EM_SHIFT         10
+#define HF_TS_SHIFT         11
+#define HF_IOPL_SHIFT       12 /* must be same as eflags */
+#define HF_LMA_SHIFT        14 /* only used on x86_64: long mode active */
+#define HF_CS64_SHIFT       15 /* only used on x86_64: 64 bit code segment  */
+#define HF_OSFXSR_SHIFT     16 /* CR4.OSFXSR */
+#define HF_VM_SHIFT         17 /* must be same as eflags */
+#define HF_SMM_SHIFT        19 /* CPU in SMM mode */
+#define HF_SVME_SHIFT       20 /* SVME enabled (copy of EFER.SVME) */
+#define HF_SVMI_SHIFT       21 /* SVM intercepts are active */
+
+#define HF_CPL_MASK          (3 << HF_CPL_SHIFT)
+#define HF_SOFTMMU_MASK      (1 << HF_SOFTMMU_SHIFT)
+#define HF_INHIBIT_IRQ_MASK  (1 << HF_INHIBIT_IRQ_SHIFT)
+#define HF_CS32_MASK         (1 << HF_CS32_SHIFT)
+#define HF_SS32_MASK         (1 << HF_SS32_SHIFT)
+#define HF_ADDSEG_MASK       (1 << HF_ADDSEG_SHIFT)
+#define HF_PE_MASK           (1 << HF_PE_SHIFT)
+#define HF_TF_MASK           (1 << HF_TF_SHIFT)
+#define HF_MP_MASK           (1 << HF_MP_SHIFT)
+#define HF_EM_MASK           (1 << HF_EM_SHIFT)
+#define HF_TS_MASK           (1 << HF_TS_SHIFT)
+#define HF_IOPL_MASK         (3 << HF_IOPL_SHIFT)
+#define HF_LMA_MASK          (1 << HF_LMA_SHIFT)
+#define HF_CS64_MASK         (1 << HF_CS64_SHIFT)
+#define HF_OSFXSR_MASK       (1 << HF_OSFXSR_SHIFT)
+#define HF_VM_MASK           (1 << HF_VM_SHIFT)
+#define HF_SMM_MASK          (1 << HF_SMM_SHIFT)
+#define HF_SVME_MASK         (1 << HF_SVME_SHIFT)
+#define HF_SVMI_MASK         (1 << HF_SVMI_SHIFT)
+
+/* hflags2 */
+
+#define HF2_GIF_SHIFT        0 /* if set CPU takes interrupts */
+#define HF2_HIF_SHIFT        1 /* value of IF_MASK when entering SVM */
+#define HF2_NMI_SHIFT        2 /* CPU serving NMI */
+#define HF2_VINTR_SHIFT      3 /* value of V_INTR_MASKING bit */
+
+#define HF2_GIF_MASK          (1 << HF2_GIF_SHIFT)
+#define HF2_HIF_MASK          (1 << HF2_HIF_SHIFT) 
+#define HF2_NMI_MASK          (1 << HF2_NMI_SHIFT)
+#define HF2_VINTR_MASK        (1 << HF2_VINTR_SHIFT)
+
+#define CR0_PE_SHIFT 0
+#define CR0_MP_SHIFT 1
+
+#define CR0_PE_MASK  (1 << 0)
+#define CR0_MP_MASK  (1 << 1)
+#define CR0_EM_MASK  (1 << 2)
+#define CR0_TS_MASK  (1 << 3)
+#define CR0_ET_MASK  (1 << 4)
+#define CR0_NE_MASK  (1 << 5)
+#define CR0_WP_MASK  (1 << 16)
+#define CR0_AM_MASK  (1 << 18)
+#define CR0_PG_MASK  (1 << 31)
+
+#define CR4_VME_MASK  (1 << 0)
+#define CR4_PVI_MASK  (1 << 1)
+#define CR4_TSD_MASK  (1 << 2)
+#define CR4_DE_MASK   (1 << 3)
+#define CR4_PSE_MASK  (1 << 4)
+#define CR4_PAE_MASK  (1 << 5)
+#define CR4_PGE_MASK  (1 << 7)
+#define CR4_PCE_MASK  (1 << 8)
+#define CR4_OSFXSR_SHIFT 9
+#define CR4_OSFXSR_MASK (1 << CR4_OSFXSR_SHIFT)
+#define CR4_OSXMMEXCPT_MASK  (1 << 10)
+
+#define DR6_BD          (1 << 13)
+#define DR6_BS          (1 << 14)
+#define DR6_BT          (1 << 15)
+#define DR6_FIXED_1     0xffff0ff0
+
+#define DR7_GD          (1 << 13)
+#define DR7_TYPE_SHIFT  16
+#define DR7_LEN_SHIFT   18
+#define DR7_FIXED_1     0x00000400
+
+#define PG_PRESENT_BIT	0
+#define PG_RW_BIT	1
+#define PG_USER_BIT	2
+#define PG_PWT_BIT	3
+#define PG_PCD_BIT	4
+#define PG_ACCESSED_BIT	5
+#define PG_DIRTY_BIT	6
+#define PG_PSE_BIT	7
+#define PG_GLOBAL_BIT	8
+#define PG_NX_BIT	63
+
+#define PG_PRESENT_MASK  (1 << PG_PRESENT_BIT)
+#define PG_RW_MASK	 (1 << PG_RW_BIT)
+#define PG_USER_MASK	 (1 << PG_USER_BIT)
+#define PG_PWT_MASK	 (1 << PG_PWT_BIT)
+#define PG_PCD_MASK	 (1 << PG_PCD_BIT)
+#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
+#define PG_DIRTY_MASK	 (1 << PG_DIRTY_BIT)
+#define PG_PSE_MASK	 (1 << PG_PSE_BIT)
+#define PG_GLOBAL_MASK	 (1 << PG_GLOBAL_BIT)
+#define PG_NX_MASK	 (1LL << PG_NX_BIT)
+
+#define PG_ERROR_W_BIT     1
+
+#define PG_ERROR_P_MASK    0x01
+#define PG_ERROR_W_MASK    (1 << PG_ERROR_W_BIT)
+#define PG_ERROR_U_MASK    0x04
+#define PG_ERROR_RSVD_MASK 0x08
+#define PG_ERROR_I_D_MASK  0x10
+
+#define MSR_IA32_TSC                    0x10
+#define MSR_IA32_APICBASE               0x1b
+#define MSR_IA32_APICBASE_BSP           (1<<8)
+#define MSR_IA32_APICBASE_ENABLE        (1<<11)
+#define MSR_IA32_APICBASE_BASE          (0xfffff<<12)
+
+#define MSR_IA32_SYSENTER_CS            0x174
+#define MSR_IA32_SYSENTER_ESP           0x175
+#define MSR_IA32_SYSENTER_EIP           0x176
+
+#define MSR_MCG_CAP                     0x179
+#define MSR_MCG_STATUS                  0x17a
+#define MSR_MCG_CTL                     0x17b
+
+#define MSR_IA32_PERF_STATUS            0x198
+
+#define MSR_PAT                         0x277
+
+#define MSR_EFER                        0xc0000080
+
+#define MSR_EFER_SCE   (1 << 0)
+#define MSR_EFER_LME   (1 << 8)
+#define MSR_EFER_LMA   (1 << 10)
+#define MSR_EFER_NXE   (1 << 11)
+#define MSR_EFER_SVME  (1 << 12)
+#define MSR_EFER_FFXSR (1 << 14)
+
+#define MSR_STAR                        0xc0000081
+#define MSR_LSTAR                       0xc0000082
+#define MSR_CSTAR                       0xc0000083
+#define MSR_FMASK                       0xc0000084
+#define MSR_FSBASE                      0xc0000100
+#define MSR_GSBASE                      0xc0000101
+#define MSR_KERNELGSBASE                0xc0000102
+
+#define MSR_VM_HSAVE_PA                 0xc0010117
+
+/* cpuid_features bits */
+#define CPUID_FP87 (1 << 0)
+#define CPUID_VME  (1 << 1)
+#define CPUID_DE   (1 << 2)
+#define CPUID_PSE  (1 << 3)
+#define CPUID_TSC  (1 << 4)
+#define CPUID_MSR  (1 << 5)
+#define CPUID_PAE  (1 << 6)
+#define CPUID_MCE  (1 << 7)
+#define CPUID_CX8  (1 << 8)
+#define CPUID_APIC (1 << 9)
+#define CPUID_SEP  (1 << 11) /* sysenter/sysexit */
+#define CPUID_MTRR (1 << 12)
+#define CPUID_PGE  (1 << 13)
+#define CPUID_MCA  (1 << 14)
+#define CPUID_CMOV (1 << 15)
+#define CPUID_PAT  (1 << 16)
+#define CPUID_PSE36   (1 << 17)
+#define CPUID_PN   (1 << 18)
+#define CPUID_CLFLUSH (1 << 19)
+#define CPUID_DTS (1 << 21)
+#define CPUID_ACPI (1 << 22)
+#define CPUID_MMX  (1 << 23)
+#define CPUID_FXSR (1 << 24)
+#define CPUID_SSE  (1 << 25)
+#define CPUID_SSE2 (1 << 26)
+#define CPUID_SS (1 << 27)
+#define CPUID_HT (1 << 28)
+#define CPUID_TM (1 << 29)
+#define CPUID_IA64 (1 << 30)
+#define CPUID_PBE (1 << 31)
+
+#define CPUID_EXT_SSE3     (1 << 0)
+#define CPUID_EXT_DTES64   (1 << 2)
+#define CPUID_EXT_MONITOR  (1 << 3)
+#define CPUID_EXT_DSCPL    (1 << 4)
+#define CPUID_EXT_VMX      (1 << 5)
+#define CPUID_EXT_SMX      (1 << 6)
+#define CPUID_EXT_EST      (1 << 7)
+#define CPUID_EXT_TM2      (1 << 8)
+#define CPUID_EXT_SSSE3    (1 << 9)
+#define CPUID_EXT_CID      (1 << 10)
+#define CPUID_EXT_CX16     (1 << 13)
+#define CPUID_EXT_XTPR     (1 << 14)
+#define CPUID_EXT_PDCM     (1 << 15)
+#define CPUID_EXT_DCA      (1 << 18)
+#define CPUID_EXT_SSE41    (1 << 19)
+#define CPUID_EXT_SSE42    (1 << 20)
+#define CPUID_EXT_X2APIC   (1 << 21)
+#define CPUID_EXT_MOVBE    (1 << 22)
+#define CPUID_EXT_POPCNT   (1 << 23)
+#define CPUID_EXT_XSAVE    (1 << 26)
+#define CPUID_EXT_OSXSAVE  (1 << 27)
+
+#define CPUID_EXT2_SYSCALL (1 << 11)
+#define CPUID_EXT2_MP      (1 << 19)
+#define CPUID_EXT2_NX      (1 << 20)
+#define CPUID_EXT2_MMXEXT  (1 << 22)
+#define CPUID_EXT2_FFXSR   (1 << 25)
+#define CPUID_EXT2_PDPE1GB (1 << 26)
+#define CPUID_EXT2_RDTSCP  (1 << 27)
+#define CPUID_EXT2_LM      (1 << 29)
+#define CPUID_EXT2_3DNOWEXT (1 << 30)
+#define CPUID_EXT2_3DNOW   (1 << 31)
+
+#define CPUID_EXT3_LAHF_LM (1 << 0)
+#define CPUID_EXT3_CMP_LEG (1 << 1)
+#define CPUID_EXT3_SVM     (1 << 2)
+#define CPUID_EXT3_EXTAPIC (1 << 3)
+#define CPUID_EXT3_CR8LEG  (1 << 4)
+#define CPUID_EXT3_ABM     (1 << 5)
+#define CPUID_EXT3_SSE4A   (1 << 6)
+#define CPUID_EXT3_MISALIGNSSE (1 << 7)
+#define CPUID_EXT3_3DNOWPREFETCH (1 << 8)
+#define CPUID_EXT3_OSVW    (1 << 9)
+#define CPUID_EXT3_IBS     (1 << 10)
+#define CPUID_EXT3_SKINIT  (1 << 12)
+
+#define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */
+#define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */
+#define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */
+
+#define CPUID_VENDOR_AMD_1   0x68747541 /* "Auth" */
+#define CPUID_VENDOR_AMD_2   0x69746e65 /* "enti" */ 
+#define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
+
+#define CPUID_MWAIT_IBE     (1 << 1) /* Interrupts can exit capability */
+#define CPUID_MWAIT_EMX     (1 << 0) /* enumeration supported */
+
+#define EXCP00_DIVZ	0
+#define EXCP01_DB	1
+#define EXCP02_NMI	2
+#define EXCP03_INT3	3
+#define EXCP04_INTO	4
+#define EXCP05_BOUND	5
+#define EXCP06_ILLOP	6
+#define EXCP07_PREX	7
+#define EXCP08_DBLE	8
+#define EXCP09_XERR	9
+#define EXCP0A_TSS	10
+#define EXCP0B_NOSEG	11
+#define EXCP0C_STACK	12
+#define EXCP0D_GPF	13
+#define EXCP0E_PAGE	14
+#define EXCP10_COPR	16
+#define EXCP11_ALGN	17
+#define EXCP12_MCHK	18
+
+#define EXCP_SYSCALL    0x100 /* only happens in user only emulation
+                                 for syscall instruction */
+
+enum {
+    CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
+    CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
+
+    CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */
+    CC_OP_MULW,
+    CC_OP_MULL,
+    CC_OP_MULQ,
+
+    CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+    CC_OP_ADDW,
+    CC_OP_ADDL,
+    CC_OP_ADDQ,
+
+    CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+    CC_OP_ADCW,
+    CC_OP_ADCL,
+    CC_OP_ADCQ,
+
+    CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+    CC_OP_SUBW,
+    CC_OP_SUBL,
+    CC_OP_SUBQ,
+
+    CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+    CC_OP_SBBW,
+    CC_OP_SBBL,
+    CC_OP_SBBQ,
+
+    CC_OP_LOGICB, /* modify all flags, CC_DST = res */
+    CC_OP_LOGICW,
+    CC_OP_LOGICL,
+    CC_OP_LOGICQ,
+
+    CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */
+    CC_OP_INCW,
+    CC_OP_INCL,
+    CC_OP_INCQ,
+
+    CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C  */
+    CC_OP_DECW,
+    CC_OP_DECL,
+    CC_OP_DECQ,
+
+    CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */
+    CC_OP_SHLW,
+    CC_OP_SHLL,
+    CC_OP_SHLQ,
+
+    CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */
+    CC_OP_SARW,
+    CC_OP_SARL,
+    CC_OP_SARQ,
+
+    CC_OP_NB,
+};
+
+#ifdef FLOATX80
+#define USE_X86LDOUBLE
+#endif
+
+#ifdef USE_X86LDOUBLE
+typedef floatx80 CPU86_LDouble;
+#else
+typedef float64 CPU86_LDouble;
+#endif
+
+typedef struct SegmentCache {
+    uint32_t selector;
+    target_ulong base;
+    uint32_t limit;
+    uint32_t flags;
+} SegmentCache;
+
+typedef union {
+    uint8_t _b[16];
+    uint16_t _w[8];
+    uint32_t _l[4];
+    uint64_t _q[2];
+    float32 _s[4];
+    float64 _d[2];
+} XMMReg;
+
+typedef union {
+    uint8_t _b[8];
+    uint16_t _w[4];
+    uint32_t _l[2];
+    float32 _s[2];
+    uint64_t q;
+} MMXReg;
+
+#ifdef WORDS_BIGENDIAN
+#define XMM_B(n) _b[15 - (n)]
+#define XMM_W(n) _w[7 - (n)]
+#define XMM_L(n) _l[3 - (n)]
+#define XMM_S(n) _s[3 - (n)]
+#define XMM_Q(n) _q[1 - (n)]
+#define XMM_D(n) _d[1 - (n)]
+
+#define MMX_B(n) _b[7 - (n)]
+#define MMX_W(n) _w[3 - (n)]
+#define MMX_L(n) _l[1 - (n)]
+#define MMX_S(n) _s[1 - (n)]
+#else
+#define XMM_B(n) _b[n]
+#define XMM_W(n) _w[n]
+#define XMM_L(n) _l[n]
+#define XMM_S(n) _s[n]
+#define XMM_Q(n) _q[n]
+#define XMM_D(n) _d[n]
+
+#define MMX_B(n) _b[n]
+#define MMX_W(n) _w[n]
+#define MMX_L(n) _l[n]
+#define MMX_S(n) _s[n]
+#endif
+#define MMX_Q(n) q
+
+#ifdef TARGET_X86_64
+#define CPU_NB_REGS 16
+#else
+#define CPU_NB_REGS 8
+#endif
+
+#define NB_MMU_MODES 2
+
+typedef struct CPUX86State {
+    /* standard registers */
+    target_ulong regs[CPU_NB_REGS];
+    target_ulong eip;
+    target_ulong eflags; /* eflags register. During CPU emulation, CC
+                        flags and DF are set to zero because they are
+                        stored elsewhere */
+
+    /* emulator internal eflags handling */
+    target_ulong cc_src;
+    target_ulong cc_dst;
+    uint32_t cc_op;
+    int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */
+    uint32_t hflags; /* TB flags, see HF_xxx constants. These flags
+                        are known at translation time. */
+    uint32_t hflags2; /* various other flags, see HF2_xxx constants. */
+
+    /* segments */
+    SegmentCache segs[6]; /* selector values */
+    SegmentCache ldt;
+    SegmentCache tr;
+    SegmentCache gdt; /* only base and limit are used */
+    SegmentCache idt; /* only base and limit are used */
+
+    target_ulong cr[5]; /* NOTE: cr1 is unused */
+    uint64_t a20_mask;
+
+    /* FPU state */
+    unsigned int fpstt; /* top of stack index */
+    unsigned int fpus;
+    unsigned int fpuc;
+    uint8_t fptags[8];   /* 0 = valid, 1 = empty */
+    union {
+#ifdef USE_X86LDOUBLE
+        CPU86_LDouble d __attribute__((aligned(16)));
+#else
+        CPU86_LDouble d;
+#endif
+        MMXReg mmx;
+    } fpregs[8];
+
+    /* emulator internal variables */
+    float_status fp_status;
+    CPU86_LDouble ft0;
+
+    float_status mmx_status; /* for 3DNow! float ops */
+    float_status sse_status;
+    uint32_t mxcsr;
+    XMMReg xmm_regs[CPU_NB_REGS];
+    XMMReg xmm_t0;
+    MMXReg mmx_t0;
+    target_ulong cc_tmp; /* temporary for rcr/rcl */
+
+    /* sysenter registers */
+    uint32_t sysenter_cs;
+    target_ulong sysenter_esp;
+    target_ulong sysenter_eip;
+    uint64_t efer;
+    uint64_t star;
+
+    uint64_t vm_hsave;
+    uint64_t vm_vmcb;
+    uint64_t tsc_offset;
+    uint64_t intercept;
+    uint16_t intercept_cr_read;
+    uint16_t intercept_cr_write;
+    uint16_t intercept_dr_read;
+    uint16_t intercept_dr_write;
+    uint32_t intercept_exceptions;
+    uint8_t v_tpr;
+
+#ifdef TARGET_X86_64
+    target_ulong lstar;
+    target_ulong cstar;
+    target_ulong fmask;
+    target_ulong kernelgsbase;
+#endif
+
+    uint64_t tsc;
+
+    uint64_t pat;
+
+    /* exception/interrupt handling */
+    int error_code;
+    int exception_is_int;
+    target_ulong exception_next_eip;
+    target_ulong dr[8]; /* debug registers */
+    union {
+        CPUBreakpoint *cpu_breakpoint[4];
+        CPUWatchpoint *cpu_watchpoint[4];
+    }; /* break/watchpoints for dr[0..3] */
+    uint32_t smbase;
+    int old_exception;  /* exception in flight */
+
+    CPU_COMMON
+
+    /* processor features (e.g. for CPUID insn) */
+    uint32_t cpuid_level;
+    uint32_t cpuid_vendor1;
+    uint32_t cpuid_vendor2;
+    uint32_t cpuid_vendor3;
+    uint32_t cpuid_version;
+    uint32_t cpuid_features;
+    uint32_t cpuid_ext_features;
+    uint32_t cpuid_xlevel;
+    uint32_t cpuid_model[12];
+    uint32_t cpuid_ext2_features;
+    uint32_t cpuid_ext3_features;
+    uint32_t cpuid_apic_id;
+
+#ifdef USE_KQEMU
+    int kqemu_enabled;
+    int last_io_time;
+#endif
+
+    /* For KVM */
+    uint64_t interrupt_bitmap[256 / 64];
+
+    /* in order to simplify APIC support, we leave this pointer to the
+       user */
+    struct APICState *apic_state;
+} CPUX86State;
+
+CPUX86State *cpu_x86_init(const char *cpu_model);
+int cpu_x86_exec(CPUX86State *s);
+void cpu_x86_close(CPUX86State *s);
+void x86_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt,
+                                                 ...));
+int cpu_get_pic_interrupt(CPUX86State *s);
+/* MSDOS compatibility mode FPU exception support */
+void cpu_set_ferr(CPUX86State *s);
+
+/* this function must always be used to load data in the segment
+   cache: it synchronizes the hflags with the segment cache values */
+static inline void cpu_x86_load_seg_cache(CPUX86State *env,
+                                          int seg_reg, unsigned int selector,
+                                          target_ulong base,
+                                          unsigned int limit,
+                                          unsigned int flags)
+{
+    SegmentCache *sc;
+    unsigned int new_hflags;
+
+    sc = &env->segs[seg_reg];
+    sc->selector = selector;
+    sc->base = base;
+    sc->limit = limit;
+    sc->flags = flags;
+
+    /* update the hidden flags */
+    {
+        if (seg_reg == R_CS) {
+#ifdef TARGET_X86_64
+            if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) {
+                /* long mode */
+                env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
+                env->hflags &= ~(HF_ADDSEG_MASK);
+            } else
+#endif
+            {
+                /* legacy / compatibility case */
+                new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
+                    >> (DESC_B_SHIFT - HF_CS32_SHIFT);
+                env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) |
+                    new_hflags;
+            }
+        }
+        new_hflags = (env->segs[R_SS].flags & DESC_B_MASK)
+            >> (DESC_B_SHIFT - HF_SS32_SHIFT);
+        if (env->hflags & HF_CS64_MASK) {
+            /* zero base assumed for DS, ES and SS in long mode */
+        } else if (!(env->cr[0] & CR0_PE_MASK) ||
+                   (env->eflags & VM_MASK) ||
+                   !(env->hflags & HF_CS32_MASK)) {
+            /* XXX: try to avoid this test. The problem comes from the
+               fact that is real mode or vm86 mode we only modify the
+               'base' and 'selector' fields of the segment cache to go
+               faster. A solution may be to force addseg to one in
+               translate-i386.c. */
+            new_hflags |= HF_ADDSEG_MASK;
+        } else {
+            new_hflags |= ((env->segs[R_DS].base |
+                            env->segs[R_ES].base |
+                            env->segs[R_SS].base) != 0) <<
+                HF_ADDSEG_SHIFT;
+        }
+        env->hflags = (env->hflags &
+                       ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags;
+    }
+}
+
+/* wrapper, just in case memory mappings must be changed */
+static inline void cpu_x86_set_cpl(CPUX86State *s, int cpl)
+{
+#if HF_CPL_MASK == 3
+    s->hflags = (s->hflags & ~HF_CPL_MASK) | cpl;
+#else
+#error HF_CPL_MASK is hardcoded
+#endif
+}
+
+/* op_helper.c */
+/* used for debug or cpu save/restore */
+void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, CPU86_LDouble f);
+CPU86_LDouble cpu_set_fp80(uint64_t mant, uint16_t upper);
+
+/* cpu-exec.c */
+/* the following helpers are only usable in user mode simulation as
+   they can trigger unexpected exceptions */
+void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector);
+void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32);
+void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32);
+
+/* you can call this signal handler from your SIGBUS and SIGSEGV
+   signal handlers to inform the virtual CPU of exceptions. non zero
+   is returned if the signal was handled by the virtual CPU.  */
+int cpu_x86_signal_handler(int host_signum, void *pinfo,
+                           void *puc);
+
+/* helper.c */
+int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
+                             int is_write, int mmu_idx, int is_softmmu);
+void cpu_x86_set_a20(CPUX86State *env, int a20_state);
+void cpu_x86_cpuid(CPUX86State *env, uint32_t index,
+                   uint32_t *eax, uint32_t *ebx,
+                   uint32_t *ecx, uint32_t *edx);
+
+static inline int hw_breakpoint_enabled(unsigned long dr7, int index)
+{
+    return (dr7 >> (index * 2)) & 3;
+}
+
+static inline int hw_breakpoint_type(unsigned long dr7, int index)
+{
+    return (dr7 >> (DR7_TYPE_SHIFT + (index * 2))) & 3;
+}
+
+static inline int hw_breakpoint_len(unsigned long dr7, int index)
+{
+    int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 2))) & 3);
+    return (len == 2) ? 8 : len + 1;
+}
+
+void hw_breakpoint_insert(CPUX86State *env, int index);
+void hw_breakpoint_remove(CPUX86State *env, int index);
+int check_hw_breakpoints(CPUX86State *env, int force_dr6_update);
+
+/* will be suppressed */
+void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
+void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3);
+void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4);
+
+/* hw/apic.c */
+void cpu_set_apic_base(CPUX86State *env, uint64_t val);
+uint64_t cpu_get_apic_base(CPUX86State *env);
+void cpu_set_apic_tpr(CPUX86State *env, uint8_t val);
+#ifndef NO_CPU_IO_DEFS
+uint8_t cpu_get_apic_tpr(CPUX86State *env);
+#endif
+
+/* hw/pc.c */
+void cpu_smm_update(CPUX86State *env);
+uint64_t cpu_get_tsc(CPUX86State *env);
+
+/* used to debug */
+#define X86_DUMP_FPU  0x0001 /* dump FPU state too */
+#define X86_DUMP_CCOP 0x0002 /* dump qemu flag cache */
+
+#ifdef USE_KQEMU
+static inline int cpu_get_time_fast(void)
+{
+    int low, high;
+    asm volatile("rdtsc" : "=a" (low), "=d" (high));
+    return low;
+}
+#endif
+
+#define TARGET_PAGE_BITS 12
+
+#define CPUState CPUX86State
+#define cpu_init cpu_x86_init
+#define cpu_exec cpu_x86_exec
+#define cpu_gen_code cpu_x86_gen_code
+#define cpu_signal_handler cpu_x86_signal_handler
+#define cpu_list x86_cpu_list
+
+#define CPU_SAVE_VERSION 7
+
+/* MMU modes definitions */
+#define MMU_MODE0_SUFFIX _kernel
+#define MMU_MODE1_SUFFIX _user
+#define MMU_USER_IDX 1
+static inline int cpu_mmu_index (CPUState *env)
+{
+    return (env->hflags & HF_CPL_MASK) == 3 ? 1 : 0;
+}
+
+/* translate.c */
+void optimize_flags_init(void);
+
+typedef struct CCTable {
+    int (*compute_all)(void); /* return all the flags */
+    int (*compute_c)(void);  /* return the C flag */
+} CCTable;
+
+#if defined(CONFIG_USER_ONLY)
+static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
+{
+    if (newsp)
+        env->regs[R_ESP] = newsp;
+    env->regs[R_EAX] = 0;
+}
+#endif
+
+#include "cpu-all.h"
+#include "exec-all.h"
+
+#include "svm.h"
+
+static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
+{
+    env->eip = tb->pc - tb->cs_base;
+}
+
+static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
+                                        target_ulong *cs_base, int *flags)
+{
+    *cs_base = env->segs[R_CS].base;
+    *pc = *cs_base + env->eip;
+    *flags = env->hflags | (env->eflags & (IOPL_MASK | TF_MASK | VM_MASK));
+}
+
+#endif /* CPU_I386_H */