| #ifndef __SVM_H |
| #define __SVM_H |
| |
| enum { |
| /* We shift all the intercept bits so we can OR them with the |
| TB flags later on */ |
| INTERCEPT_INTR = HF_HIF_SHIFT, |
| INTERCEPT_NMI, |
| INTERCEPT_SMI, |
| INTERCEPT_INIT, |
| INTERCEPT_VINTR, |
| INTERCEPT_SELECTIVE_CR0, |
| INTERCEPT_STORE_IDTR, |
| INTERCEPT_STORE_GDTR, |
| INTERCEPT_STORE_LDTR, |
| INTERCEPT_STORE_TR, |
| INTERCEPT_LOAD_IDTR, |
| INTERCEPT_LOAD_GDTR, |
| INTERCEPT_LOAD_LDTR, |
| INTERCEPT_LOAD_TR, |
| INTERCEPT_RDTSC, |
| INTERCEPT_RDPMC, |
| INTERCEPT_PUSHF, |
| INTERCEPT_POPF, |
| INTERCEPT_CPUID, |
| INTERCEPT_RSM, |
| INTERCEPT_IRET, |
| INTERCEPT_INTn, |
| INTERCEPT_INVD, |
| INTERCEPT_PAUSE, |
| INTERCEPT_HLT, |
| INTERCEPT_INVLPG, |
| INTERCEPT_INVLPGA, |
| INTERCEPT_IOIO_PROT, |
| INTERCEPT_MSR_PROT, |
| INTERCEPT_TASK_SWITCH, |
| INTERCEPT_FERR_FREEZE, |
| INTERCEPT_SHUTDOWN, |
| INTERCEPT_VMRUN, |
| INTERCEPT_VMMCALL, |
| INTERCEPT_VMLOAD, |
| INTERCEPT_VMSAVE, |
| INTERCEPT_STGI, |
| INTERCEPT_CLGI, |
| INTERCEPT_SKINIT, |
| INTERCEPT_RDTSCP, |
| INTERCEPT_ICEBP, |
| INTERCEPT_WBINVD, |
| }; |
| /* This is not really an intercept but rather a placeholder to |
| show that we are in an SVM (just like a hidden flag, but keeps the |
| TBs clean) */ |
| #define INTERCEPT_SVM 63 |
| #define INTERCEPT_SVM_MASK (1ULL << INTERCEPT_SVM) |
| |
| struct __attribute__ ((__packed__)) vmcb_control_area { |
| uint16_t intercept_cr_read; |
| uint16_t intercept_cr_write; |
| uint16_t intercept_dr_read; |
| uint16_t intercept_dr_write; |
| uint32_t intercept_exceptions; |
| uint64_t intercept; |
| uint8_t reserved_1[44]; |
| uint64_t iopm_base_pa; |
| uint64_t msrpm_base_pa; |
| uint64_t tsc_offset; |
| uint32_t asid; |
| uint8_t tlb_ctl; |
| uint8_t reserved_2[3]; |
| uint32_t int_ctl; |
| uint32_t int_vector; |
| uint32_t int_state; |
| uint8_t reserved_3[4]; |
| uint32_t exit_code; |
| uint32_t exit_code_hi; |
| uint64_t exit_info_1; |
| uint64_t exit_info_2; |
| uint32_t exit_int_info; |
| uint32_t exit_int_info_err; |
| uint64_t nested_ctl; |
| uint8_t reserved_4[16]; |
| uint32_t event_inj; |
| uint32_t event_inj_err; |
| uint64_t nested_cr3; |
| uint64_t lbr_ctl; |
| uint8_t reserved_5[832]; |
| }; |
| |
| |
| #define TLB_CONTROL_DO_NOTHING 0 |
| #define TLB_CONTROL_FLUSH_ALL_ASID 1 |
| |
| #define V_TPR_MASK 0x0f |
| |
| #define V_IRQ_SHIFT 8 |
| #define V_IRQ_MASK (1 << V_IRQ_SHIFT) |
| |
| #define V_INTR_PRIO_SHIFT 16 |
| #define V_INTR_PRIO_MASK (0x0f << V_INTR_PRIO_SHIFT) |
| |
| #define V_IGN_TPR_SHIFT 20 |
| #define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT) |
| |
| #define V_INTR_MASKING_SHIFT 24 |
| #define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT) |
| |
| #define SVM_INTERRUPT_SHADOW_MASK 1 |
| |
| #define SVM_IOIO_STR_SHIFT 2 |
| #define SVM_IOIO_REP_SHIFT 3 |
| #define SVM_IOIO_SIZE_SHIFT 4 |
| #define SVM_IOIO_ASIZE_SHIFT 7 |
| |
| #define SVM_IOIO_TYPE_MASK 1 |
| #define SVM_IOIO_STR_MASK (1 << SVM_IOIO_STR_SHIFT) |
| #define SVM_IOIO_REP_MASK (1 << SVM_IOIO_REP_SHIFT) |
| #define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT) |
| #define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT) |
| |
| struct __attribute__ ((__packed__)) vmcb_seg { |
| uint16_t selector; |
| uint16_t attrib; |
| uint32_t limit; |
| uint64_t base; |
| }; |
| |
| struct __attribute__ ((__packed__)) vmcb_save_area { |
| struct vmcb_seg es; |
| struct vmcb_seg cs; |
| struct vmcb_seg ss; |
| struct vmcb_seg ds; |
| struct vmcb_seg fs; |
| struct vmcb_seg gs; |
| struct vmcb_seg gdtr; |
| struct vmcb_seg ldtr; |
| struct vmcb_seg idtr; |
| struct vmcb_seg tr; |
| uint8_t reserved_1[43]; |
| uint8_t cpl; |
| uint8_t reserved_2[4]; |
| uint64_t efer; |
| uint8_t reserved_3[112]; |
| uint64_t cr4; |
| uint64_t cr3; |
| uint64_t cr0; |
| uint64_t dr7; |
| uint64_t dr6; |
| uint64_t rflags; |
| uint64_t rip; |
| uint8_t reserved_4[88]; |
| uint64_t rsp; |
| uint8_t reserved_5[24]; |
| uint64_t rax; |
| uint64_t star; |
| uint64_t lstar; |
| uint64_t cstar; |
| uint64_t sfmask; |
| uint64_t kernel_gs_base; |
| uint64_t sysenter_cs; |
| uint64_t sysenter_esp; |
| uint64_t sysenter_eip; |
| uint64_t cr2; |
| /* qemu: cr8 added to reuse this as hsave */ |
| uint64_t cr8; |
| uint8_t reserved_6[32 - 8]; /* originally 32 */ |
| uint64_t g_pat; |
| uint64_t dbgctl; |
| uint64_t br_from; |
| uint64_t br_to; |
| uint64_t last_excp_from; |
| uint64_t last_excp_to; |
| }; |
| |
| struct __attribute__ ((__packed__)) vmcb { |
| struct vmcb_control_area control; |
| struct vmcb_save_area save; |
| }; |
| |
| #define SVM_CPUID_FEATURE_SHIFT 2 |
| #define SVM_CPUID_FUNC 0x8000000a |
| |
| #define MSR_EFER_SVME_MASK (1ULL << 12) |
| |
| #define SVM_SELECTOR_S_SHIFT 4 |
| #define SVM_SELECTOR_DPL_SHIFT 5 |
| #define SVM_SELECTOR_P_SHIFT 7 |
| #define SVM_SELECTOR_AVL_SHIFT 8 |
| #define SVM_SELECTOR_L_SHIFT 9 |
| #define SVM_SELECTOR_DB_SHIFT 10 |
| #define SVM_SELECTOR_G_SHIFT 11 |
| |
| #define SVM_SELECTOR_TYPE_MASK (0xf) |
| #define SVM_SELECTOR_S_MASK (1 << SVM_SELECTOR_S_SHIFT) |
| #define SVM_SELECTOR_DPL_MASK (3 << SVM_SELECTOR_DPL_SHIFT) |
| #define SVM_SELECTOR_P_MASK (1 << SVM_SELECTOR_P_SHIFT) |
| #define SVM_SELECTOR_AVL_MASK (1 << SVM_SELECTOR_AVL_SHIFT) |
| #define SVM_SELECTOR_L_MASK (1 << SVM_SELECTOR_L_SHIFT) |
| #define SVM_SELECTOR_DB_MASK (1 << SVM_SELECTOR_DB_SHIFT) |
| #define SVM_SELECTOR_G_MASK (1 << SVM_SELECTOR_G_SHIFT) |
| |
| #define SVM_SELECTOR_WRITE_MASK (1 << 1) |
| #define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK |
| #define SVM_SELECTOR_CODE_MASK (1 << 3) |
| |
| #define INTERCEPT_CR0_MASK 1 |
| #define INTERCEPT_CR3_MASK (1 << 3) |
| #define INTERCEPT_CR4_MASK (1 << 4) |
| |
| #define INTERCEPT_DR0_MASK 1 |
| #define INTERCEPT_DR1_MASK (1 << 1) |
| #define INTERCEPT_DR2_MASK (1 << 2) |
| #define INTERCEPT_DR3_MASK (1 << 3) |
| #define INTERCEPT_DR4_MASK (1 << 4) |
| #define INTERCEPT_DR5_MASK (1 << 5) |
| #define INTERCEPT_DR6_MASK (1 << 6) |
| #define INTERCEPT_DR7_MASK (1 << 7) |
| |
| #define SVM_EVTINJ_VEC_MASK 0xff |
| |
| #define SVM_EVTINJ_TYPE_SHIFT 8 |
| #define SVM_EVTINJ_TYPE_MASK (7 << SVM_EVTINJ_TYPE_SHIFT) |
| |
| #define SVM_EVTINJ_TYPE_INTR (0 << SVM_EVTINJ_TYPE_SHIFT) |
| #define SVM_EVTINJ_TYPE_NMI (2 << SVM_EVTINJ_TYPE_SHIFT) |
| #define SVM_EVTINJ_TYPE_EXEPT (3 << SVM_EVTINJ_TYPE_SHIFT) |
| #define SVM_EVTINJ_TYPE_SOFT (4 << SVM_EVTINJ_TYPE_SHIFT) |
| |
| #define SVM_EVTINJ_VALID (1 << 31) |
| #define SVM_EVTINJ_VALID_ERR (1 << 11) |
| |
| #define SVM_EXITINTINFO_VEC_MASK SVM_EVTINJ_VEC_MASK |
| |
| #define SVM_EXITINTINFO_TYPE_INTR SVM_EVTINJ_TYPE_INTR |
| #define SVM_EXITINTINFO_TYPE_NMI SVM_EVTINJ_TYPE_NMI |
| #define SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT |
| #define SVM_EXITINTINFO_TYPE_SOFT SVM_EVTINJ_TYPE_SOFT |
| |
| #define SVM_EXITINTINFO_VALID SVM_EVTINJ_VALID |
| #define SVM_EXITINTINFO_VALID_ERR SVM_EVTINJ_VALID_ERR |
| |
| #define SVM_EXIT_READ_CR0 0x000 |
| #define SVM_EXIT_READ_CR3 0x003 |
| #define SVM_EXIT_READ_CR4 0x004 |
| #define SVM_EXIT_READ_CR8 0x008 |
| #define SVM_EXIT_WRITE_CR0 0x010 |
| #define SVM_EXIT_WRITE_CR3 0x013 |
| #define SVM_EXIT_WRITE_CR4 0x014 |
| #define SVM_EXIT_WRITE_CR8 0x018 |
| #define SVM_EXIT_READ_DR0 0x020 |
| #define SVM_EXIT_READ_DR1 0x021 |
| #define SVM_EXIT_READ_DR2 0x022 |
| #define SVM_EXIT_READ_DR3 0x023 |
| #define SVM_EXIT_READ_DR4 0x024 |
| #define SVM_EXIT_READ_DR5 0x025 |
| #define SVM_EXIT_READ_DR6 0x026 |
| #define SVM_EXIT_READ_DR7 0x027 |
| #define SVM_EXIT_WRITE_DR0 0x030 |
| #define SVM_EXIT_WRITE_DR1 0x031 |
| #define SVM_EXIT_WRITE_DR2 0x032 |
| #define SVM_EXIT_WRITE_DR3 0x033 |
| #define SVM_EXIT_WRITE_DR4 0x034 |
| #define SVM_EXIT_WRITE_DR5 0x035 |
| #define SVM_EXIT_WRITE_DR6 0x036 |
| #define SVM_EXIT_WRITE_DR7 0x037 |
| #define SVM_EXIT_EXCP_BASE 0x040 |
| #define SVM_EXIT_INTR 0x060 |
| #define SVM_EXIT_NMI 0x061 |
| #define SVM_EXIT_SMI 0x062 |
| #define SVM_EXIT_INIT 0x063 |
| #define SVM_EXIT_VINTR 0x064 |
| #define SVM_EXIT_CR0_SEL_WRITE 0x065 |
| #define SVM_EXIT_IDTR_READ 0x066 |
| #define SVM_EXIT_GDTR_READ 0x067 |
| #define SVM_EXIT_LDTR_READ 0x068 |
| #define SVM_EXIT_TR_READ 0x069 |
| #define SVM_EXIT_IDTR_WRITE 0x06a |
| #define SVM_EXIT_GDTR_WRITE 0x06b |
| #define SVM_EXIT_LDTR_WRITE 0x06c |
| #define SVM_EXIT_TR_WRITE 0x06d |
| #define SVM_EXIT_RDTSC 0x06e |
| #define SVM_EXIT_RDPMC 0x06f |
| #define SVM_EXIT_PUSHF 0x070 |
| #define SVM_EXIT_POPF 0x071 |
| #define SVM_EXIT_CPUID 0x072 |
| #define SVM_EXIT_RSM 0x073 |
| #define SVM_EXIT_IRET 0x074 |
| #define SVM_EXIT_SWINT 0x075 |
| #define SVM_EXIT_INVD 0x076 |
| #define SVM_EXIT_PAUSE 0x077 |
| #define SVM_EXIT_HLT 0x078 |
| #define SVM_EXIT_INVLPG 0x079 |
| #define SVM_EXIT_INVLPGA 0x07a |
| #define SVM_EXIT_IOIO 0x07b |
| #define SVM_EXIT_MSR 0x07c |
| #define SVM_EXIT_TASK_SWITCH 0x07d |
| #define SVM_EXIT_FERR_FREEZE 0x07e |
| #define SVM_EXIT_SHUTDOWN 0x07f |
| #define SVM_EXIT_VMRUN 0x080 |
| #define SVM_EXIT_VMMCALL 0x081 |
| #define SVM_EXIT_VMLOAD 0x082 |
| #define SVM_EXIT_VMSAVE 0x083 |
| #define SVM_EXIT_STGI 0x084 |
| #define SVM_EXIT_CLGI 0x085 |
| #define SVM_EXIT_SKINIT 0x086 |
| #define SVM_EXIT_RDTSCP 0x087 |
| #define SVM_EXIT_ICEBP 0x088 |
| #define SVM_EXIT_WBINVD 0x089 |
| /* only included in documentation, maybe wrong */ |
| #define SVM_EXIT_MONITOR 0x08a |
| #define SVM_EXIT_MWAIT 0x08b |
| #define SVM_EXIT_NPF 0x400 |
| |
| #define SVM_EXIT_ERR -1 |
| |
| #define SVM_CR0_SELECTIVE_MASK (1 << 3 | 1) /* TS and MP */ |
| |
| #define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda" |
| #define SVM_VMRUN ".byte 0x0f, 0x01, 0xd8" |
| #define SVM_VMSAVE ".byte 0x0f, 0x01, 0xdb" |
| #define SVM_CLGI ".byte 0x0f, 0x01, 0xdd" |
| #define SVM_STGI ".byte 0x0f, 0x01, 0xdc" |
| #define SVM_INVLPGA ".byte 0x0f, 0x01, 0xdf" |
| |
| /* function references */ |
| |
| void helper_stgi(); |
| void vmexit(uint64_t exit_code, uint64_t exit_info_1); |
| int svm_check_intercept_param(uint32_t type, uint64_t param); |
| static inline int svm_check_intercept(unsigned int type) { |
| return svm_check_intercept_param(type, 0); |
| } |
| |
| |
| #define INTERCEPTED(mask) (env->intercept & mask) |
| #define INTERCEPTEDw(var, mask) (env->intercept ## var & mask) |
| #define INTERCEPTEDl(var, mask) (env->intercept ## var & mask) |
| |
| #define SVM_LOAD_SEG(addr, seg_index, seg) \ |
| cpu_x86_load_seg_cache(env, \ |
| R_##seg_index, \ |
| lduw_phys(addr + offsetof(struct vmcb, save.seg.selector)),\ |
| ldq_phys(addr + offsetof(struct vmcb, save.seg.base)),\ |
| ldl_phys(addr + offsetof(struct vmcb, save.seg.limit)),\ |
| vmcb2cpu_attrib(lduw_phys(addr + offsetof(struct vmcb, save.seg.attrib)), ldq_phys(addr + offsetof(struct vmcb, save.seg.base)), ldl_phys(addr + offsetof(struct vmcb, save.seg.limit)))) |
| |
| #define SVM_LOAD_SEG2(addr, seg_qemu, seg_vmcb) \ |
| env->seg_qemu.selector = lduw_phys(addr + offsetof(struct vmcb, save.seg_vmcb.selector)); \ |
| env->seg_qemu.base = ldq_phys(addr + offsetof(struct vmcb, save.seg_vmcb.base)); \ |
| env->seg_qemu.limit = ldl_phys(addr + offsetof(struct vmcb, save.seg_vmcb.limit)); \ |
| env->seg_qemu.flags = vmcb2cpu_attrib(lduw_phys(addr + offsetof(struct vmcb, save.seg_vmcb.attrib)), env->seg_qemu.base, env->seg_qemu.limit) |
| |
| #define SVM_SAVE_SEG(addr, seg_qemu, seg_vmcb) \ |
| stw_phys(addr + offsetof(struct vmcb, save.seg_vmcb.selector), env->seg_qemu.selector); \ |
| stq_phys(addr + offsetof(struct vmcb, save.seg_vmcb.base), env->seg_qemu.base); \ |
| stl_phys(addr + offsetof(struct vmcb, save.seg_vmcb.limit), env->seg_qemu.limit); \ |
| stw_phys(addr + offsetof(struct vmcb, save.seg_vmcb.attrib), cpu2vmcb_attrib(env->seg_qemu.flags)) |
| |
| #endif |
