--- /dev/null
+/*
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef CPU_I386_H
+#define CPU_I386_H
+
+#include "config.h"
+#include "qemu-common.h"
+
+#ifdef TARGET_X86_64
+#define TARGET_LONG_BITS 64
+#else
+#define TARGET_LONG_BITS 32
+#endif
+
+/* Maximum instruction code size */
+#define TARGET_MAX_INSN_SIZE 16
+
+/* support for self modifying code even if the modified instruction is
+ close to the modifying instruction */
+#define TARGET_HAS_PRECISE_SMC
+
+#ifdef TARGET_X86_64
+#define ELF_MACHINE EM_X86_64
+#define ELF_MACHINE_UNAME "x86_64"
+#else
+#define ELF_MACHINE EM_386
+#define ELF_MACHINE_UNAME "i686"
+#endif
+
+#define CPUArchState struct CPUX86State
+
+#include "exec/cpu-defs.h"
+
+#include "fpu/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 (3 << DESC_DPL_SHIFT)
+#define DESC_S_MASK (1 << 12)
+#define DESC_TYPE_SHIFT 8
+#define DESC_TYPE_MASK (15 << DESC_TYPE_SHIFT)
+#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 INHIBIT_IRQ, SMM and SVMI are not redundant. We
+ avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit
+ positions 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_RF_SHIFT 16 /* must be same as eflags */
+#define HF_VM_SHIFT 17 /* must be same as eflags */
+#define HF_AC_SHIFT 18 /* 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_OSFXSR_SHIFT 22 /* CR4.OSFXSR */
+#define HF_SMAP_SHIFT 23 /* CR4.SMAP */
+
+#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_RF_MASK (1 << HF_RF_SHIFT)
+#define HF_VM_MASK (1 << HF_VM_SHIFT)
+#define HF_AC_MASK (1 << HF_AC_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)
+#define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT)
+#define HF_SMAP_MASK (1 << HF_SMAP_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_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */
+
+#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 HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT)
+
+#define CR0_PE_SHIFT 0
+#define CR0_MP_SHIFT 1
+
+#define CR0_PE_MASK (1U << 0)
+#define CR0_MP_MASK (1U << 1)
+#define CR0_EM_MASK (1U << 2)
+#define CR0_TS_MASK (1U << 3)
+#define CR0_ET_MASK (1U << 4)
+#define CR0_NE_MASK (1U << 5)
+#define CR0_WP_MASK (1U << 16)
+#define CR0_AM_MASK (1U << 18)
+#define CR0_PG_MASK (1U << 31)
+
+#define CR4_VME_MASK (1U << 0)
+#define CR4_PVI_MASK (1U << 1)
+#define CR4_TSD_MASK (1U << 2)
+#define CR4_DE_MASK (1U << 3)
+#define CR4_PSE_MASK (1U << 4)
+#define CR4_PAE_MASK (1U << 5)
+#define CR4_MCE_MASK (1U << 6)
+#define CR4_PGE_MASK (1U << 7)
+#define CR4_PCE_MASK (1U << 8)
+#define CR4_OSFXSR_SHIFT 9
+#define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT)
+#define CR4_OSXMMEXCPT_MASK (1U << 10)
+#define CR4_VMXE_MASK (1U << 13)
+#define CR4_SMXE_MASK (1U << 14)
+#define CR4_FSGSBASE_MASK (1U << 16)
+#define CR4_PCIDE_MASK (1U << 17)
+#define CR4_OSXSAVE_MASK (1U << 18)
+#define CR4_SMEP_MASK (1U << 20)
+#define CR4_SMAP_MASK (1U << 21)
+
+#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 DR7_LOCAL_BP_MASK 0x55
+#define DR7_MAX_BP 4
+#define DR7_TYPE_BP_INST 0x0
+#define DR7_TYPE_DATA_WR 0x1
+#define DR7_TYPE_IO_RW 0x2
+#define DR7_TYPE_DATA_RW 0x3
+
+#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_PSE_PAT_BIT 12
+#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_PSE_PAT_MASK (1 << PG_PSE_PAT_BIT)
+#define PG_ADDRESS_MASK 0x000ffffffffff000LL
+#define PG_HI_RSVD_MASK (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK)
+#define PG_HI_USER_MASK 0x7ff0000000000000LL
+#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 MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */
+#define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */
+
+#define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P)
+#define MCE_BANKS_DEF 10
+
+#define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */
+#define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */
+#define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */
+
+#define MCI_STATUS_VAL (1ULL<<63) /* valid error */
+#define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */
+#define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */
+#define MCI_STATUS_EN (1ULL<<60) /* error enabled */
+#define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */
+#define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */
+#define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */
+#define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */
+#define MCI_STATUS_AR (1ULL<<55) /* Action required */
+
+/* MISC register defines */
+#define MCM_ADDR_SEGOFF 0 /* segment offset */
+#define MCM_ADDR_LINEAR 1 /* linear address */
+#define MCM_ADDR_PHYS 2 /* physical address */
+#define MCM_ADDR_MEM 3 /* memory address */
+#define MCM_ADDR_GENERIC 7 /* generic */
+
+#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 (0xfffffU<<12)
+#define MSR_IA32_FEATURE_CONTROL 0x0000003a
+#define MSR_TSC_ADJUST 0x0000003b
+#define MSR_IA32_TSCDEADLINE 0x6e0
+
+#define MSR_P6_PERFCTR0 0xc1
+
+#define MSR_IA32_SMBASE 0x9e
+#define MSR_MTRRcap 0xfe
+#define MSR_MTRRcap_VCNT 8
+#define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8)
+#define MSR_MTRRcap_WC_SUPPORTED (1 << 10)
+
+#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_P6_EVNTSEL0 0x186
+
+#define MSR_IA32_PERF_STATUS 0x198
+
+#define MSR_IA32_MISC_ENABLE 0x1a0
+/* Indicates good rep/movs microcode on some processors: */
+#define MSR_IA32_MISC_ENABLE_DEFAULT 1
+
+#define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg))
+#define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1)
+
+#define MSR_MTRRphysIndex(addr) ((((addr) & ~1u) - 0x200) / 2)
+
+#define MSR_MTRRfix64K_00000 0x250
+#define MSR_MTRRfix16K_80000 0x258
+#define MSR_MTRRfix16K_A0000 0x259
+#define MSR_MTRRfix4K_C0000 0x268
+#define MSR_MTRRfix4K_C8000 0x269
+#define MSR_MTRRfix4K_D0000 0x26a
+#define MSR_MTRRfix4K_D8000 0x26b
+#define MSR_MTRRfix4K_E0000 0x26c
+#define MSR_MTRRfix4K_E8000 0x26d
+#define MSR_MTRRfix4K_F0000 0x26e
+#define MSR_MTRRfix4K_F8000 0x26f
+
+#define MSR_PAT 0x277
+
+#define MSR_MTRRdefType 0x2ff
+
+#define MSR_CORE_PERF_FIXED_CTR0 0x309
+#define MSR_CORE_PERF_FIXED_CTR1 0x30a
+#define MSR_CORE_PERF_FIXED_CTR2 0x30b
+#define MSR_CORE_PERF_FIXED_CTR_CTRL 0x38d
+#define MSR_CORE_PERF_GLOBAL_STATUS 0x38e
+#define MSR_CORE_PERF_GLOBAL_CTRL 0x38f
+#define MSR_CORE_PERF_GLOBAL_OVF_CTRL 0x390
+
+#define MSR_MC0_CTL 0x400
+#define MSR_MC0_STATUS 0x401
+#define MSR_MC0_ADDR 0x402
+#define MSR_MC0_MISC 0x403
+
+#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_TSC_AUX 0xc0000103
+
+#define MSR_VM_HSAVE_PA 0xc0010117
+
+#define MSR_IA32_BNDCFGS 0x00000d90
+#define MSR_IA32_XSS 0x00000da0
+
+#define XSTATE_FP (1ULL << 0)
+#define XSTATE_SSE (1ULL << 1)
+#define XSTATE_YMM (1ULL << 2)
+#define XSTATE_BNDREGS (1ULL << 3)
+#define XSTATE_BNDCSR (1ULL << 4)
+#define XSTATE_OPMASK (1ULL << 5)
+#define XSTATE_ZMM_Hi256 (1ULL << 6)
+#define XSTATE_Hi16_ZMM (1ULL << 7)
+
+
+/* CPUID feature words */
+typedef enum FeatureWord {
+ FEAT_1_EDX, /* CPUID[1].EDX */
+ FEAT_1_ECX, /* CPUID[1].ECX */
+ FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */
+ FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
+ FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
+ FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */
+ FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */
+ FEAT_KVM, /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */
+ FEAT_SVM, /* CPUID[8000_000A].EDX */
+ FEAT_XSAVE, /* CPUID[EAX=0xd,ECX=1].EAX */
+ FEAT_6_EAX, /* CPUID[6].EAX */
+ FEATURE_WORDS,
+} FeatureWord;
+
+typedef uint32_t FeatureWordArray[FEATURE_WORDS];
+
+/* cpuid_features bits */
+#define CPUID_FP87 (1U << 0)
+#define CPUID_VME (1U << 1)
+#define CPUID_DE (1U << 2)
+#define CPUID_PSE (1U << 3)
+#define CPUID_TSC (1U << 4)
+#define CPUID_MSR (1U << 5)
+#define CPUID_PAE (1U << 6)
+#define CPUID_MCE (1U << 7)
+#define CPUID_CX8 (1U << 8)
+#define CPUID_APIC (1U << 9)
+#define CPUID_SEP (1U << 11) /* sysenter/sysexit */
+#define CPUID_MTRR (1U << 12)
+#define CPUID_PGE (1U << 13)
+#define CPUID_MCA (1U << 14)
+#define CPUID_CMOV (1U << 15)
+#define CPUID_PAT (1U << 16)
+#define CPUID_PSE36 (1U << 17)
+#define CPUID_PN (1U << 18)
+#define CPUID_CLFLUSH (1U << 19)
+#define CPUID_DTS (1U << 21)
+#define CPUID_ACPI (1U << 22)
+#define CPUID_MMX (1U << 23)
+#define CPUID_FXSR (1U << 24)
+#define CPUID_SSE (1U << 25)
+#define CPUID_SSE2 (1U << 26)
+#define CPUID_SS (1U << 27)
+#define CPUID_HT (1U << 28)
+#define CPUID_TM (1U << 29)
+#define CPUID_IA64 (1U << 30)
+#define CPUID_PBE (1U << 31)
+
+#define CPUID_EXT_SSE3 (1U << 0)
+#define CPUID_EXT_PCLMULQDQ (1U << 1)
+#define CPUID_EXT_DTES64 (1U << 2)
+#define CPUID_EXT_MONITOR (1U << 3)
+#define CPUID_EXT_DSCPL (1U << 4)
+#define CPUID_EXT_VMX (1U << 5)
+#define CPUID_EXT_SMX (1U << 6)
+#define CPUID_EXT_EST (1U << 7)
+#define CPUID_EXT_TM2 (1U << 8)
+#define CPUID_EXT_SSSE3 (1U << 9)
+#define CPUID_EXT_CID (1U << 10)
+#define CPUID_EXT_FMA (1U << 12)
+#define CPUID_EXT_CX16 (1U << 13)
+#define CPUID_EXT_XTPR (1U << 14)
+#define CPUID_EXT_PDCM (1U << 15)
+#define CPUID_EXT_PCID (1U << 17)
+#define CPUID_EXT_DCA (1U << 18)
+#define CPUID_EXT_SSE41 (1U << 19)
+#define CPUID_EXT_SSE42 (1U << 20)
+#define CPUID_EXT_X2APIC (1U << 21)
+#define CPUID_EXT_MOVBE (1U << 22)
+#define CPUID_EXT_POPCNT (1U << 23)
+#define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24)
+#define CPUID_EXT_AES (1U << 25)
+#define CPUID_EXT_XSAVE (1U << 26)
+#define CPUID_EXT_OSXSAVE (1U << 27)
+#define CPUID_EXT_AVX (1U << 28)
+#define CPUID_EXT_F16C (1U << 29)
+#define CPUID_EXT_RDRAND (1U << 30)
+#define CPUID_EXT_HYPERVISOR (1U << 31)
+
+#define CPUID_EXT2_FPU (1U << 0)
+#define CPUID_EXT2_VME (1U << 1)
+#define CPUID_EXT2_DE (1U << 2)
+#define CPUID_EXT2_PSE (1U << 3)
+#define CPUID_EXT2_TSC (1U << 4)
+#define CPUID_EXT2_MSR (1U << 5)
+#define CPUID_EXT2_PAE (1U << 6)
+#define CPUID_EXT2_MCE (1U << 7)
+#define CPUID_EXT2_CX8 (1U << 8)
+#define CPUID_EXT2_APIC (1U << 9)
+#define CPUID_EXT2_SYSCALL (1U << 11)
+#define CPUID_EXT2_MTRR (1U << 12)
+#define CPUID_EXT2_PGE (1U << 13)
+#define CPUID_EXT2_MCA (1U << 14)
+#define CPUID_EXT2_CMOV (1U << 15)
+#define CPUID_EXT2_PAT (1U << 16)
+#define CPUID_EXT2_PSE36 (1U << 17)
+#define CPUID_EXT2_MP (1U << 19)
+#define CPUID_EXT2_NX (1U << 20)
+#define CPUID_EXT2_MMXEXT (1U << 22)
+#define CPUID_EXT2_MMX (1U << 23)
+#define CPUID_EXT2_FXSR (1U << 24)
+#define CPUID_EXT2_FFXSR (1U << 25)
+#define CPUID_EXT2_PDPE1GB (1U << 26)
+#define CPUID_EXT2_RDTSCP (1U << 27)
+#define CPUID_EXT2_LM (1U << 29)
+#define CPUID_EXT2_3DNOWEXT (1U << 30)
+#define CPUID_EXT2_3DNOW (1U << 31)
+
+/* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
+#define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
+ CPUID_EXT2_DE | CPUID_EXT2_PSE | \
+ CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
+ CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
+ CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
+ CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
+ CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
+ CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
+ CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
+
+#define CPUID_EXT3_LAHF_LM (1U << 0)
+#define CPUID_EXT3_CMP_LEG (1U << 1)
+#define CPUID_EXT3_SVM (1U << 2)
+#define CPUID_EXT3_EXTAPIC (1U << 3)
+#define CPUID_EXT3_CR8LEG (1U << 4)
+#define CPUID_EXT3_ABM (1U << 5)
+#define CPUID_EXT3_SSE4A (1U << 6)
+#define CPUID_EXT3_MISALIGNSSE (1U << 7)
+#define CPUID_EXT3_3DNOWPREFETCH (1U << 8)
+#define CPUID_EXT3_OSVW (1U << 9)
+#define CPUID_EXT3_IBS (1U << 10)
+#define CPUID_EXT3_XOP (1U << 11)
+#define CPUID_EXT3_SKINIT (1U << 12)
+#define CPUID_EXT3_WDT (1U << 13)
+#define CPUID_EXT3_LWP (1U << 15)
+#define CPUID_EXT3_FMA4 (1U << 16)
+#define CPUID_EXT3_TCE (1U << 17)
+#define CPUID_EXT3_NODEID (1U << 19)
+#define CPUID_EXT3_TBM (1U << 21)
+#define CPUID_EXT3_TOPOEXT (1U << 22)
+#define CPUID_EXT3_PERFCORE (1U << 23)
+#define CPUID_EXT3_PERFNB (1U << 24)
+
+#define CPUID_SVM_NPT (1U << 0)
+#define CPUID_SVM_LBRV (1U << 1)
+#define CPUID_SVM_SVMLOCK (1U << 2)
+#define CPUID_SVM_NRIPSAVE (1U << 3)
+#define CPUID_SVM_TSCSCALE (1U << 4)
+#define CPUID_SVM_VMCBCLEAN (1U << 5)
+#define CPUID_SVM_FLUSHASID (1U << 6)
+#define CPUID_SVM_DECODEASSIST (1U << 7)
+#define CPUID_SVM_PAUSEFILTER (1U << 10)
+#define CPUID_SVM_PFTHRESHOLD (1U << 12)
+
+#define CPUID_7_0_EBX_FSGSBASE (1U << 0)
+#define CPUID_7_0_EBX_BMI1 (1U << 3)
+#define CPUID_7_0_EBX_HLE (1U << 4)
+#define CPUID_7_0_EBX_AVX2 (1U << 5)
+#define CPUID_7_0_EBX_SMEP (1U << 7)
+#define CPUID_7_0_EBX_BMI2 (1U << 8)
+#define CPUID_7_0_EBX_ERMS (1U << 9)
+#define CPUID_7_0_EBX_INVPCID (1U << 10)
+#define CPUID_7_0_EBX_RTM (1U << 11)
+#define CPUID_7_0_EBX_MPX (1U << 14)
+#define CPUID_7_0_EBX_AVX512F (1U << 16) /* AVX-512 Foundation */
+#define CPUID_7_0_EBX_RDSEED (1U << 18)
+#define CPUID_7_0_EBX_ADX (1U << 19)
+#define CPUID_7_0_EBX_SMAP (1U << 20)
+#define CPUID_7_0_EBX_AVX512PF (1U << 26) /* AVX-512 Prefetch */
+#define CPUID_7_0_EBX_AVX512ER (1U << 27) /* AVX-512 Exponential and Reciprocal */
+#define CPUID_7_0_EBX_AVX512CD (1U << 28) /* AVX-512 Conflict Detection */
+
+#define CPUID_XSAVE_XSAVEOPT (1U << 0)
+#define CPUID_XSAVE_XSAVEC (1U << 1)
+#define CPUID_XSAVE_XGETBV1 (1U << 2)
+#define CPUID_XSAVE_XSAVES (1U << 3)
+
+#define CPUID_6_EAX_ARAT (1U << 2)
+
+/* CPUID[0x80000007].EDX flags: */
+#define CPUID_APM_INVTSC (1U << 8)
+
+#define CPUID_VENDOR_SZ 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_INTEL "GenuineIntel"
+
+#define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */
+#define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */
+#define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */
+#define CPUID_VENDOR_AMD "AuthenticAMD"
+
+#define CPUID_VENDOR_VIA "CentaurHauls"
+
+#define CPUID_MWAIT_IBE (1U << 1) /* Interrupts can exit capability */
+#define CPUID_MWAIT_EMX (1U << 0) /* enumeration supported */
+
+#ifndef HYPERV_SPINLOCK_NEVER_RETRY
+#define HYPERV_SPINLOCK_NEVER_RETRY 0xFFFFFFFF
+#endif
+
+#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 */
+
+/* i386-specific interrupt pending bits. */
+#define CPU_INTERRUPT_POLL CPU_INTERRUPT_TGT_EXT_1
+#define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2
+#define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3
+#define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4
+#define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0
+#define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_1
+#define CPU_INTERRUPT_TPR CPU_INTERRUPT_TGT_INT_2
+
+/* Use a clearer name for this. */
+#define CPU_INTERRUPT_INIT CPU_INTERRUPT_RESET
+
+typedef 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_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */
+ CC_OP_BMILGW,
+ CC_OP_BMILGL,
+ CC_OP_BMILGQ,
+
+ CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest. */
+ CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest. */
+ CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest. */
+
+ CC_OP_CLR, /* Z set, all other flags clear. */
+
+ CC_OP_NB,
+} CCOp;
+
+typedef struct SegmentCache {
+ uint32_t selector;
+ target_ulong base;
+ uint32_t limit;
+ uint32_t flags;
+} SegmentCache;
+
+typedef union {
+ uint8_t _b[64];
+ uint16_t _w[32];
+ uint32_t _l[16];
+ uint64_t _q[8];
+ float32 _s[16];
+ float64 _d[8];
+} XMMReg; /* really zmm */
+
+typedef union {
+ uint8_t _b[8];
+ uint16_t _w[4];
+ uint32_t _l[2];
+ float32 _s[2];
+ uint64_t q;
+} MMXReg;
+
+typedef struct BNDReg {
+ uint64_t lb;
+ uint64_t ub;
+} BNDReg;
+
+typedef struct BNDCSReg {
+ uint64_t cfgu;
+ uint64_t sts;
+} BNDCSReg;
+
+#ifdef HOST_WORDS_BIGENDIAN
+#define XMM_B(n) _b[63 - (n)]
+#define XMM_W(n) _w[31 - (n)]
+#define XMM_L(n) _l[15 - (n)]
+#define XMM_S(n) _s[15 - (n)]
+#define XMM_Q(n) _q[7 - (n)]
+#define XMM_D(n) _d[7 - (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
+
+typedef union {
+ floatx80 d __attribute__((aligned(16)));
+ MMXReg mmx;
+} FPReg;
+
+typedef struct {
+ uint64_t base;
+ uint64_t mask;
+} MTRRVar;
+
+#define CPU_NB_REGS64 16
+#define CPU_NB_REGS32 8
+
+#ifdef TARGET_X86_64
+#define CPU_NB_REGS CPU_NB_REGS64
+#else
+#define CPU_NB_REGS CPU_NB_REGS32
+#endif
+
+#define MAX_FIXED_COUNTERS 3
+#define MAX_GP_COUNTERS (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0)
+
+#define NB_MMU_MODES 3
+
+#define NB_OPMASK_REGS 8
+
+typedef enum TPRAccess {
+ TPR_ACCESS_READ,
+ TPR_ACCESS_WRITE,
+} TPRAccess;
+
+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_dst;
+ target_ulong cc_src;
+ target_ulong cc_src2;
+ 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 */
+ int32_t a20_mask;
+
+ BNDReg bnd_regs[4];
+ BNDCSReg bndcs_regs;
+ uint64_t msr_bndcfgs;
+
+ /* Beginning of state preserved by INIT (dummy marker). */
+ struct {} start_init_save;
+
+ /* FPU state */
+ unsigned int fpstt; /* top of stack index */
+ uint16_t fpus;
+ uint16_t fpuc;
+ uint8_t fptags[8]; /* 0 = valid, 1 = empty */
+ FPReg fpregs[8];
+ /* KVM-only so far */
+ uint16_t fpop;
+ uint64_t fpip;
+ uint64_t fpdp;
+
+ /* emulator internal variables */
+ float_status fp_status;
+ floatx80 ft0;
+
+ float_status mmx_status; /* for 3DNow! float ops */
+ float_status sse_status;
+ uint32_t mxcsr;
+ XMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
+ XMMReg xmm_t0;
+ MMXReg mmx_t0;
+
+ uint64_t opmask_regs[NB_OPMASK_REGS];
+
+ /* sysenter registers */
+ uint32_t sysenter_cs;
+ target_ulong sysenter_esp;
+ target_ulong sysenter_eip;
+ uint64_t efer;
+ uint64_t star;
+
+ uint64_t vm_hsave;
+
+#ifdef TARGET_X86_64
+ target_ulong lstar;
+ target_ulong cstar;
+ target_ulong fmask;
+ target_ulong kernelgsbase;
+#endif
+
+ uint64_t tsc;
+ uint64_t tsc_adjust;
+ uint64_t tsc_deadline;
+
+ uint64_t mcg_status;
+ uint64_t msr_ia32_misc_enable;
+ uint64_t msr_ia32_feature_control;
+
+ uint64_t msr_fixed_ctr_ctrl;
+ uint64_t msr_global_ctrl;
+ uint64_t msr_global_status;
+ uint64_t msr_global_ovf_ctrl;
+ uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS];
+ uint64_t msr_gp_counters[MAX_GP_COUNTERS];
+ uint64_t msr_gp_evtsel[MAX_GP_COUNTERS];
+
+ uint64_t pat;
+ uint32_t smbase;
+
+ /* End of state preserved by INIT (dummy marker). */
+ struct {} end_init_save;
+
+ uint64_t system_time_msr;
+ uint64_t wall_clock_msr;
+ uint64_t steal_time_msr;
+ uint64_t async_pf_en_msr;
+ uint64_t pv_eoi_en_msr;
+
+ uint64_t msr_hv_hypercall;
+ uint64_t msr_hv_guest_os_id;
+ uint64_t msr_hv_vapic;
+ uint64_t msr_hv_tsc;
+
+ /* exception/interrupt handling */
+ int error_code;
+ int exception_is_int;
+ target_ulong exception_next_eip;
+ target_ulong dr[8]; /* debug registers */
+ union {
+ struct CPUBreakpoint *cpu_breakpoint[4];
+ struct CPUWatchpoint *cpu_watchpoint[4];
+ }; /* break/watchpoints for dr[0..3] */
+ int old_exception; /* exception in flight */
+
+ 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;
+
+ /* KVM states, automatically cleared on reset */
+ uint8_t nmi_injected;
+ uint8_t nmi_pending;
+
+ CPU_COMMON
+
+ /* Fields from here on are preserved across CPU reset. */
+
+ /* processor features (e.g. for CPUID insn) */
+ uint32_t cpuid_level;
+ uint32_t cpuid_xlevel;
+ uint32_t cpuid_xlevel2;
+ uint32_t cpuid_vendor1;
+ uint32_t cpuid_vendor2;
+ uint32_t cpuid_vendor3;
+ uint32_t cpuid_version;
+ FeatureWordArray features;
+ uint32_t cpuid_model[12];
+
+ /* MTRRs */
+ uint64_t mtrr_fixed[11];
+ uint64_t mtrr_deftype;
+ MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
+
+ /* For KVM */
+ uint32_t mp_state;
+ int32_t exception_injected;
+ int32_t interrupt_injected;
+ uint8_t soft_interrupt;
+ uint8_t has_error_code;
+ uint32_t sipi_vector;
+ bool tsc_valid;
+ int64_t tsc_khz;
+ void *kvm_xsave_buf;
+
+ uint64_t mcg_cap;
+ uint64_t mcg_ctl;
+ uint64_t mce_banks[MCE_BANKS_DEF*4];
+
+ uint64_t tsc_aux;
+
+ /* vmstate */
+ uint16_t fpus_vmstate;
+ uint16_t fptag_vmstate;
+ uint16_t fpregs_format_vmstate;
+ uint64_t xstate_bv;
+
+ uint64_t xcr0;
+ uint64_t xss;
+
+ TPRAccess tpr_access_type;
+} CPUX86State;
+
+#include "cpu-qom.h"
+
+X86CPU *cpu_x86_init(const char *cpu_model);
+X86CPU *cpu_x86_create(const char *cpu_model, Error **errp);
+int cpu_x86_exec(CPUState *cpu);
+void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf);
+void x86_cpudef_setup(void);
+int cpu_x86_support_mca_broadcast(CPUX86State *env);
+
+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;
+ }
+ }
+ if (seg_reg == R_SS) {
+ int cpl = (flags >> DESC_DPL_SHIFT) & 3;
+#if HF_CPL_MASK != 3
+#error HF_CPL_MASK is hardcoded
+#endif
+ env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl;
+ }
+ 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;
+ }
+}
+
+static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu,
+ uint8_t sipi_vector)
+{
+ CPUState *cs = CPU(cpu);
+ CPUX86State *env = &cpu->env;
+
+ env->eip = 0;
+ cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8,
+ sipi_vector << 12,
+ env->segs[R_CS].limit,
+ env->segs[R_CS].flags);
+ cs->halted = 0;
+}
+
+int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
+ target_ulong *base, unsigned int *limit,
+ unsigned int *flags);
+
+/* op_helper.c */
+/* used for debug or cpu save/restore */
+void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f);
+floatx80 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);
+
+/* cpuid.c */
+void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
+ uint32_t *eax, uint32_t *ebx,
+ uint32_t *ecx, uint32_t *edx);
+void cpu_clear_apic_feature(CPUX86State *env);
+void host_cpuid(uint32_t function, uint32_t count,
+ uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
+
+/* helper.c */
+int x86_cpu_handle_mmu_fault(CPUState *cpu, vaddr addr,
+ int is_write, int mmu_idx);
+void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
+
+#ifndef CONFIG_USER_ONLY
+uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
+uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
+uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
+uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr);
+void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val);
+void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val);
+void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val);
+void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val);
+void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val);
+#endif
+
+static inline bool hw_local_breakpoint_enabled(unsigned long dr7, int index)
+{
+ return (dr7 >> (index * 2)) & 1;
+}
+
+static inline bool hw_global_breakpoint_enabled(unsigned long dr7, int index)
+{
+ return (dr7 >> (index * 2)) & 2;
+
+}
+static inline bool hw_breakpoint_enabled(unsigned long dr7, int index)
+{
+ return hw_global_breakpoint_enabled(dr7, index) ||
+ hw_local_breakpoint_enabled(dr7, index);
+}
+
+static inline int hw_breakpoint_type(unsigned long dr7, int index)
+{
+ return (dr7 >> (DR7_TYPE_SHIFT + (index * 4))) & 3;
+}
+
+static inline int hw_breakpoint_len(unsigned long dr7, int index)
+{
+ int len = ((dr7 >> (DR7_LEN_SHIFT + (index * 4))) & 3);
+ return (len == 2) ? 8 : len + 1;
+}
+
+void hw_breakpoint_insert(CPUX86State *env, int index);
+void hw_breakpoint_remove(CPUX86State *env, int index);
+bool check_hw_breakpoints(CPUX86State *env, bool force_dr6_update);
+void breakpoint_handler(CPUState *cs);
+
+/* 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/pc.c */
+uint64_t cpu_get_tsc(CPUX86State *env);
+
+#define TARGET_PAGE_BITS 12
+
+#ifdef TARGET_X86_64
+#define TARGET_PHYS_ADDR_SPACE_BITS 52
+/* ??? This is really 48 bits, sign-extended, but the only thing
+ accessible to userland with bit 48 set is the VSYSCALL, and that
+ is handled via other mechanisms. */
+#define TARGET_VIRT_ADDR_SPACE_BITS 47
+#else
+#define TARGET_PHYS_ADDR_SPACE_BITS 36
+#define TARGET_VIRT_ADDR_SPACE_BITS 32
+#endif
+
+/* XXX: This value should match the one returned by CPUID
+ * and in exec.c */
+# if defined(TARGET_X86_64)
+# define PHYS_ADDR_MASK 0xffffffffffLL
+# else
+# define PHYS_ADDR_MASK 0xfffffffffLL
+# endif
+
+#define cpu_init(cpu_model) CPU(cpu_x86_init(cpu_model))
+
+#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 cpudef_setup x86_cpudef_setup
+
+/* MMU modes definitions */
+#define MMU_MODE0_SUFFIX _ksmap
+#define MMU_MODE1_SUFFIX _user
+#define MMU_MODE2_SUFFIX _knosmap /* SMAP disabled or CPL<3 && AC=1 */
+#define MMU_KSMAP_IDX 0
+#define MMU_USER_IDX 1
+#define MMU_KNOSMAP_IDX 2
+static inline int cpu_mmu_index(CPUX86State *env)
+{
+ return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
+ (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK))
+ ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
+}
+
+static inline int cpu_mmu_index_kernel(CPUX86State *env)
+{
+ return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX :
+ ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK))
+ ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX;
+}
+
+#define CC_DST (env->cc_dst)
+#define CC_SRC (env->cc_src)
+#define CC_SRC2 (env->cc_src2)
+#define CC_OP (env->cc_op)
+
+/* n must be a constant to be efficient */
+static inline target_long lshift(target_long x, int n)
+{
+ if (n >= 0) {
+ return x << n;
+ } else {
+ return x >> (-n);
+ }
+}
+
+/* float macros */
+#define FT0 (env->ft0)
+#define ST0 (env->fpregs[env->fpstt].d)
+#define ST(n) (env->fpregs[(env->fpstt + (n)) & 7].d)
+#define ST1 ST(1)
+
+/* translate.c */
+void optimize_flags_init(void);
+
+#include "exec/cpu-all.h"
+#include "svm.h"
+
+#if !defined(CONFIG_USER_ONLY)
+#include "hw/i386/apic.h"
+#endif
+
+#include "exec/exec-all.h"
+
+static inline void cpu_get_tb_cpu_state(CPUX86State *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 | RF_MASK | VM_MASK | AC_MASK));
+}
+
+void do_cpu_init(X86CPU *cpu);
+void do_cpu_sipi(X86CPU *cpu);
+
+#define MCE_INJECT_BROADCAST 1
+#define MCE_INJECT_UNCOND_AO 2
+
+void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
+ uint64_t status, uint64_t mcg_status, uint64_t addr,
+ uint64_t misc, int flags);
+
+/* excp_helper.c */
+void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index);
+void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index,
+ int error_code);
+void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int,
+ int error_code, int next_eip_addend);
+
+/* cc_helper.c */
+extern const uint8_t parity_table[256];
+uint32_t cpu_cc_compute_all(CPUX86State *env1, int op);
+void update_fp_status(CPUX86State *env);
+
+static inline uint32_t cpu_compute_eflags(CPUX86State *env)
+{
+ return env->eflags | cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
+}
+
+/* NOTE: the translator must set DisasContext.cc_op to CC_OP_EFLAGS
+ * after generating a call to a helper that uses this.
+ */
+static inline void cpu_load_eflags(CPUX86State *env, int eflags,
+ int update_mask)
+{
+ CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
+ CC_OP = CC_OP_EFLAGS;
+ env->df = 1 - (2 * ((eflags >> 10) & 1));
+ env->eflags = (env->eflags & ~update_mask) |
+ (eflags & update_mask) | 0x2;
+}
+
+/* load efer and update the corresponding hflags. XXX: do consistency
+ checks with cpuid bits? */
+static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
+{
+ env->efer = val;
+ env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK);
+ if (env->efer & MSR_EFER_LMA) {
+ env->hflags |= HF_LMA_MASK;
+ }
+ if (env->efer & MSR_EFER_SVME) {
+ env->hflags |= HF_SVME_MASK;
+ }
+}
+
+static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
+{
+ return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
+}
+
+/* fpu_helper.c */
+void cpu_set_mxcsr(CPUX86State *env, uint32_t val);
+void cpu_set_fpuc(CPUX86State *env, uint16_t val);
+
+/* svm_helper.c */
+void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
+ uint64_t param);
+void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1);
+
+/* seg_helper.c */
+void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
+
+/* smm_helper.c */
+void do_smm_enter(X86CPU *cpu);
+void cpu_smm_update(X86CPU *cpu);
+
+void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);
+
+void x86_cpu_compat_set_features(const char *cpu_model, FeatureWord w,
+ uint32_t feat_add, uint32_t feat_remove);
+
+void x86_cpu_compat_kvm_no_autoenable(FeatureWord w, uint32_t features);
+void x86_cpu_compat_kvm_no_autodisable(FeatureWord w, uint32_t features);
+
+
+/* Return name of 32-bit register, from a R_* constant */
+const char *get_register_name_32(unsigned int reg);
+
+void enable_compat_apic_id_mode(void);
+
+#define APIC_DEFAULT_ADDRESS 0xfee00000
+#define APIC_SPACE_SIZE 0x100000
+
+#endif /* CPU_I386_H */
Code Review / kvmfornfv.git / blobdiff