X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmcb.h;h=ed85de5fdef4334c34fac688605e33c37a288745;hp=45f23c76fac20a7b3639e62d13004caeea7e5460;hb=5db3136d5331c355c188537c68005db8d2cb4eac;hpb=1aaebb897ea68da37b76519f74460808de7b92e6 diff --git a/palacios/include/palacios/vmcb.h b/palacios/include/palacios/vmcb.h index 45f23c7..ed85de5 100644 --- a/palacios/include/palacios/vmcb.h +++ b/palacios/include/palacios/vmcb.h @@ -44,146 +44,146 @@ typedef void vmcb_t; struct Ctrl_Registers { - uint_t cr0 : 1 PACKED; - uint_t cr1 : 1 PACKED; - uint_t cr2 : 1 PACKED; - uint_t cr3 : 1 PACKED; - uint_t cr4 : 1 PACKED; - uint_t cr5 : 1 PACKED; - uint_t cr6 : 1 PACKED; - uint_t cr7 : 1 PACKED; - uint_t cr8 : 1 PACKED; - uint_t cr9 : 1 PACKED; - uint_t cr10 : 1 PACKED; - uint_t cr11 : 1 PACKED; - uint_t cr12 : 1 PACKED; - uint_t cr13 : 1 PACKED; - uint_t cr14 : 1 PACKED; - uint_t cr15 : 1 PACKED; -}; + uint_t cr0 : 1; + uint_t cr1 : 1; + uint_t cr2 : 1; + uint_t cr3 : 1; + uint_t cr4 : 1; + uint_t cr5 : 1; + uint_t cr6 : 1; + uint_t cr7 : 1; + uint_t cr8 : 1; + uint_t cr9 : 1; + uint_t cr10 : 1; + uint_t cr11 : 1; + uint_t cr12 : 1; + uint_t cr13 : 1; + uint_t cr14 : 1; + uint_t cr15 : 1; +} __attribute__((packed)); struct Debug_Registers { - uint_t dr0 : 1 PACKED; - uint_t dr1 : 1 PACKED; - uint_t dr2 : 1 PACKED; - uint_t dr3 : 1 PACKED; - uint_t dr4 : 1 PACKED; - uint_t dr5 : 1 PACKED; - uint_t dr6 : 1 PACKED; - uint_t dr7 : 1 PACKED; - uint_t dr8 : 1 PACKED; - uint_t dr9 : 1 PACKED; - uint_t dr10 : 1 PACKED; - uint_t dr11 : 1 PACKED; - uint_t dr12 : 1 PACKED; - uint_t dr13 : 1 PACKED; - uint_t dr14 : 1 PACKED; - uint_t dr15 : 1 PACKED; -}; + uint_t dr0 : 1; + uint_t dr1 : 1; + uint_t dr2 : 1; + uint_t dr3 : 1; + uint_t dr4 : 1; + uint_t dr5 : 1; + uint_t dr6 : 1; + uint_t dr7 : 1; + uint_t dr8 : 1; + uint_t dr9 : 1; + uint_t dr10 : 1; + uint_t dr11 : 1; + uint_t dr12 : 1; + uint_t dr13 : 1; + uint_t dr14 : 1; + uint_t dr15 : 1; +} __attribute__((packed)); struct Exception_Vectors { - uint_t de : 1 PACKED; // (0) divide by zero - uint_t db : 1 PACKED; // (1) Debug - uint_t nmi : 1 PACKED; // (2) Non-maskable interrupt - uint_t bp : 1 PACKED; // (3) Breakpoint - uint_t of : 1 PACKED; // (4) Overflow - uint_t br : 1 PACKED; // (5) Bound-Range - uint_t ud : 1 PACKED; // (6) Invalid-Opcode - uint_t nm : 1 PACKED; // (7) Device-not-available - uint_t df : 1 PACKED; // (8) Double Fault - uint_t ex9 : 1 PACKED; - uint_t ts : 1 PACKED; // (10) Invalid TSS - uint_t np : 1 PACKED; // (11) Segment-not-present - uint_t ss : 1 PACKED; // (12) Stack - uint_t gp : 1 PACKED; // (13) General Protection Fault - uint_t pf : 1 PACKED; // (14) Page fault - uint_t ex15 : 1 PACKED; - uint_t mf : 1 PACKED; // (15) Floating point exception - uint_t ac : 1 PACKED; // (16) Alignment-check - uint_t mc : 1 PACKED; // (17) Machine Check - uint_t xf : 1 PACKED; // (18) SIMD floating-point - uint_t ex20 : 1 PACKED; - uint_t ex21 : 1 PACKED; - uint_t ex22 : 1 PACKED; - uint_t ex23 : 1 PACKED; - uint_t ex24 : 1 PACKED; - uint_t ex25 : 1 PACKED; - uint_t ex26 : 1 PACKED; - uint_t ex27 : 1 PACKED; - uint_t ex28 : 1 PACKED; - uint_t ex29 : 1 PACKED; - uint_t sx : 1 PACKED; // (30) Security Exception - uint_t ex31 : 1 PACKED; -}; + uint_t de : 1; // (0) divide by zero + uint_t db : 1; // (1) Debug + uint_t nmi : 1; // (2) Non-maskable interrupt + uint_t bp : 1; // (3) Breakpoint + uint_t of : 1; // (4) Overflow + uint_t br : 1; // (5) Bound-Range + uint_t ud : 1; // (6) Invalid-Opcode + uint_t nm : 1; // (7) Device-not-available + uint_t df : 1; // (8) Double Fault + uint_t ex9 : 1; + uint_t ts : 1; // (10) Invalid TSS + uint_t np : 1; // (11) Segment-not-present + uint_t ss : 1; // (12) Stack + uint_t gp : 1; // (13) General Protection Fault + uint_t pf : 1; // (14) Page fault + uint_t ex15 : 1; + uint_t mf : 1; // (15) Floating point exception + uint_t ac : 1; // (16) Alignment-check + uint_t mc : 1; // (17) Machine Check + uint_t xf : 1; // (18) SIMD floating-point + uint_t ex20 : 1; + uint_t ex21 : 1; + uint_t ex22 : 1; + uint_t ex23 : 1; + uint_t ex24 : 1; + uint_t ex25 : 1; + uint_t ex26 : 1; + uint_t ex27 : 1; + uint_t ex28 : 1; + uint_t ex29 : 1; + uint_t sx : 1; // (30) Security Exception + uint_t ex31 : 1; +} __attribute__((packed)); struct Instr_Intercepts { - uint_t INTR : 1 PACKED; - uint_t NMI : 1 PACKED; - uint_t SMI : 1 PACKED; - uint_t INIT : 1 PACKED; - uint_t VINTR : 1 PACKED; - uint_t CR0 : 1 PACKED; - uint_t RD_IDTR : 1 PACKED; - uint_t RD_GDTR : 1 PACKED; - uint_t RD_LDTR : 1 PACKED; - uint_t RD_TR : 1 PACKED; - uint_t WR_IDTR : 1 PACKED; - uint_t WR_GDTR : 1 PACKED; - uint_t WR_LDTR : 1 PACKED; - uint_t WR_TR : 1 PACKED; - uint_t RDTSC : 1 PACKED; - uint_t RDPMC : 1 PACKED; - uint_t PUSHF : 1 PACKED; - uint_t POPF : 1 PACKED; - uint_t CPUID : 1 PACKED; - uint_t RSM : 1 PACKED; - uint_t IRET : 1 PACKED; - uint_t INTn : 1 PACKED; - uint_t INVD : 1 PACKED; - uint_t PAUSE : 1 PACKED; - uint_t HLT : 1 PACKED; - uint_t INVLPG : 1 PACKED; - uint_t INVLPGA : 1 PACKED; - uint_t IOIO_PROT : 1 PACKED; - uint_t MSR_PROT : 1 PACKED; - uint_t task_switch : 1 PACKED; - uint_t FERR_FREEZE : 1 PACKED; - uint_t shutdown_evts: 1 PACKED; -}; + uint_t INTR : 1; + uint_t NMI : 1; + uint_t SMI : 1; + uint_t INIT : 1; + uint_t VINTR : 1; + uint_t CR0 : 1; + uint_t RD_IDTR : 1; + uint_t RD_GDTR : 1; + uint_t RD_LDTR : 1; + uint_t RD_TR : 1; + uint_t WR_IDTR : 1; + uint_t WR_GDTR : 1; + uint_t WR_LDTR : 1; + uint_t WR_TR : 1; + uint_t RDTSC : 1; + uint_t RDPMC : 1; + uint_t PUSHF : 1; + uint_t POPF : 1; + uint_t CPUID : 1; + uint_t RSM : 1; + uint_t IRET : 1; + uint_t INTn : 1; + uint_t INVD : 1; + uint_t PAUSE : 1; + uint_t HLT : 1; + uint_t INVLPG : 1; + uint_t INVLPGA : 1; + uint_t IOIO_PROT : 1; + uint_t MSR_PROT : 1; + uint_t task_switch : 1; + uint_t FERR_FREEZE : 1; + uint_t shutdown_evts: 1; +} __attribute__((packed)); struct SVM_Instr_Intercepts { - uint_t VMRUN : 1 PACKED; - uint_t VMMCALL : 1 PACKED; - uint_t VMLOAD : 1 PACKED; - uint_t VMSAVE : 1 PACKED; - uint_t STGI : 1 PACKED; - uint_t CLGI : 1 PACKED; - uint_t SKINIT : 1 PACKED; - uint_t RDTSCP : 1 PACKED; - uint_t ICEBP : 1 PACKED; - uint_t WBINVD : 1 PACKED; - uint_t MONITOR : 1 PACKED; - uint_t MWAIT_always : 1 PACKED; - uint_t MWAIT_if_armed : 1 PACKED; - uint_t reserved : 19 PACKED; // Should be 0 -}; + uint_t VMRUN : 1; + uint_t VMMCALL : 1; + uint_t VMLOAD : 1; + uint_t VMSAVE : 1; + uint_t STGI : 1; + uint_t CLGI : 1; + uint_t SKINIT : 1; + uint_t RDTSCP : 1; + uint_t ICEBP : 1; + uint_t WBINVD : 1; + uint_t MONITOR : 1; + uint_t MWAIT_always : 1; + uint_t MWAIT_if_armed : 1; + uint_t reserved : 19; // Should be 0 +} __attribute__((packed)); struct Guest_Control { - uchar_t V_TPR PACKED; - uint_t V_IRQ : 1 PACKED; - uint_t rsvd1 : 7 PACKED; // Should be 0 - uint_t V_INTR_PRIO : 4 PACKED; - uint_t V_IGN_TPR : 1 PACKED; - uint_t rsvd2 : 3 PACKED; // Should be 0 - uint_t V_INTR_MASKING : 1 PACKED; - uint_t rsvd3 : 7 PACKED; // Should be 0 - uchar_t V_INTR_VECTOR PACKED; - uint_t rsvd4 : 24 PACKED; // Should be 0 -}; + uchar_t V_TPR; + uint_t V_IRQ : 1; + uint_t rsvd1 : 7; // Should be 0 + uint_t V_INTR_PRIO : 4; + uint_t V_IGN_TPR : 1; + uint_t rsvd2 : 3; // Should be 0 + uint_t V_INTR_MASKING : 1; + uint_t rsvd3 : 7; // Should be 0 + uchar_t V_INTR_VECTOR; + uint_t rsvd4 : 24; // Should be 0 +} __attribute__((packed)); #define SVM_INJECTION_EXTERNAL_INTR 0 #define SVM_INJECTION_VIRTUAL_INTR 0 @@ -192,67 +192,68 @@ struct Guest_Control { #define SVM_INJECTION_SOFT_INTR 4 struct Interrupt_Info { - uint_t vector : 8 PACKED; - uint_t type : 3 PACKED; - uint_t ev : 1 PACKED; - uint_t rsvd : 19 PACKED; - uint_t valid : 1 PACKED; - uint_t error_code : 32 PACKED; -}; + uint_t vector : 8; + uint_t type : 3; + uint_t ev : 1; + uint_t rsvd : 19; + uint_t valid : 1; + uint_t error_code : 32; +} __attribute__((packed)); -typedef struct VMCB_Control_Area { + +struct VMCB_Control_Area { // offset 0x0 - struct Ctrl_Registers cr_reads PACKED; - struct Ctrl_Registers cr_writes PACKED; - struct Debug_Registers dr_reads PACKED; - struct Debug_Registers dr_writes PACKED; - struct Exception_Vectors exceptions PACKED; - struct Instr_Intercepts instrs PACKED; - struct SVM_Instr_Intercepts svm_instrs PACKED; + struct Ctrl_Registers cr_reads; + struct Ctrl_Registers cr_writes; + struct Debug_Registers dr_reads; + struct Debug_Registers dr_writes; + struct Exception_Vectors exceptions; + struct Instr_Intercepts instrs; + struct SVM_Instr_Intercepts svm_instrs; - uchar_t rsvd1[44] PACKED; // Should be 0 + uchar_t rsvd1[44]; // Should be 0 // offset 0x040 - ullong_t IOPM_BASE_PA PACKED; - ullong_t MSRPM_BASE_PA PACKED; - ullong_t TSC_OFFSET PACKED; + ullong_t IOPM_BASE_PA; + ullong_t MSRPM_BASE_PA; + ullong_t TSC_OFFSET; - uint_t guest_ASID PACKED; - uchar_t TLB_CONTROL PACKED; + uint_t guest_ASID; + uchar_t TLB_CONTROL; - uchar_t rsvd2[3] PACKED; // Should be 0 + uchar_t rsvd2[3]; // Should be 0 - struct Guest_Control guest_ctrl PACKED; + struct Guest_Control guest_ctrl; - uint_t interrupt_shadow : 1 PACKED; - uint_t rsvd3 : 31 PACKED; // Should be 0 - uint_t rsvd4 PACKED; // Should be 0 + uint_t interrupt_shadow : 1; + uint_t rsvd3 : 31; // Should be 0 + uint_t rsvd4; // Should be 0 - ullong_t exit_code PACKED; - ullong_t exit_info1 PACKED; - ullong_t exit_info2 PACKED; + ullong_t exit_code; + ullong_t exit_info1; + ullong_t exit_info2; /* This could be a typo in the manual.... * It doesn't actually say that there is a reserved bit * But it does say that the EXITINTINFO field is in bits 63-1 * ALL other occurances mention a 1 bit reserved field */ - // uint_t rsvd5 : 1 PACKED; - //ullong_t exit_int_info : 63 PACKED; + // uint_t rsvd5 : 1; + //ullong_t exit_int_info : 63; /* ** */ // AMD Manual 2, pg 391, sect: 15.19 - struct Interrupt_Info exit_int_info PACKED; + struct Interrupt_Info exit_int_info; - // uint_t NP_ENABLE : 1 PACKED; - //ullong_t rsvd6 : 63 PACKED; // Should be 0 - ullong_t NP_ENABLE PACKED; + // uint_t NP_ENABLE : 1; + //ullong_t rsvd6 : 63; // Should be 0 + ullong_t NP_ENABLE; - uchar_t rsvd7[16] PACKED; // Should be 0 + uchar_t rsvd7[16]; // Should be 0 // Offset 0xA8 - struct Interrupt_Info EVENTINJ PACKED; + struct Interrupt_Info EVENTINJ; /* This could be a typo in the manual.... @@ -260,16 +261,19 @@ typedef struct VMCB_Control_Area { * But it does say that the EXITINTINFO field is in bits 63-1 * ALL other occurances mention a 1 bit reserved field */ - // uint_t rsvd8 : 1 PACKED; - //ullong_t N_CR3 : 63 PACKED; - ullong_t N_CR3 PACKED; + // uint_t rsvd8 : 1; + //ullong_t N_CR3 : 63; + ullong_t N_CR3; /* ** */ - uint_t LBR_VIRTUALIZATION_ENABLE : 1 PACKED; - ullong_t rsvd9 : 63 PACKED; // Should be 0 + uint_t LBR_VIRTUALIZATION_ENABLE : 1; + ullong_t rsvd9 : 63; // Should be 0 + +} __attribute__((packed)); + -} vmcb_ctrl_t; +typedef struct VMCB_Control_Area vmcb_ctrl_t; @@ -277,103 +281,107 @@ typedef struct VMCB_Control_Area { struct vmcb_selector { - ushort_t selector PACKED; + ushort_t selector; /* These attributes are basically a direct map of the attribute fields of a segment desc. * The segment limit in the middle is removed and the fields are fused together * There IS empty space at the end... See AMD Arch vol3, sect. 4.7.1, pg 78 */ union { - ushort_t raw PACKED; + ushort_t raw; struct { - uint_t type : 4 PACKED; // segment type, [see Intel vol. 3b, sect. 3.4.5.1 (because I have the books)] - uint_t S : 1 PACKED; // System=0, code/data=1 - uint_t dpl : 2 PACKED; // priviledge level, corresonds to protection ring - uint_t P : 1 PACKED; // present flag - uint_t avl : 1 PACKED; // available for use by system software - uint_t L : 1 PACKED; // long mode (64 bit?) - uint_t db : 1 PACKED; // default op size (0=16 bit seg, 1=32 bit seg) - uint_t G : 1 PACKED; // Granularity, (0=bytes, 1=4k) - uint_t rsvd : 4 PACKED; - } fields; - } attrib; - uint_t limit PACKED; - ullong_t base PACKED; -}; - - -typedef struct VMCB_State_Save_Area { - struct vmcb_selector es PACKED; // only lower 32 bits of base are implemented - struct vmcb_selector cs PACKED; // only lower 32 bits of base are implemented - struct vmcb_selector ss PACKED; // only lower 32 bits of base are implemented - struct vmcb_selector ds PACKED; // only lower 32 bits of base are implemented - struct vmcb_selector fs PACKED; - struct vmcb_selector gs PACKED; - - struct vmcb_selector gdtr PACKED; // selector+attrib are reserved, only lower 16 bits of limit are implemented - struct vmcb_selector ldtr PACKED; - struct vmcb_selector idtr PACKED; // selector+attrib are reserved, only lower 16 bits of limit are implemented - struct vmcb_selector tr PACKED; - - uchar_t rsvd1[43] PACKED; + uint_t type : 4; // segment type, [see Intel vol. 3b, sect. 3.4.5.1 (because I have the books)] + uint_t S : 1; // System=0, code/data=1 + uint_t dpl : 2; // priviledge level, corresonds to protection ring + uint_t P : 1; // present flag + uint_t avl : 1; // available for use by system software + uint_t L : 1; // long mode (64 bit?) + uint_t db : 1; // default op size (0=16 bit seg, 1=32 bit seg) + uint_t G : 1; // Granularity, (0=bytes, 1=4k) + uint_t rsvd : 4; + } __attribute__((packed)) fields; + } __attribute__((packed)) attrib; + + uint_t limit; + ullong_t base; +} __attribute__((packed)); + + +struct VMCB_State_Save_Area { + struct vmcb_selector es; // only lower 32 bits of base are implemented + struct vmcb_selector cs; // only lower 32 bits of base are implemented + struct vmcb_selector ss; // only lower 32 bits of base are implemented + struct vmcb_selector ds; // only lower 32 bits of base are implemented + struct vmcb_selector fs; + struct vmcb_selector gs; + + struct vmcb_selector gdtr; // selector+attrib are reserved, only lower 16 bits of limit are implemented + struct vmcb_selector ldtr; + struct vmcb_selector idtr; // selector+attrib are reserved, only lower 16 bits of limit are implemented + struct vmcb_selector tr; + + uchar_t rsvd1[43]; //offset 0x0cb - uchar_t cpl PACKED; // if the guest is real-mode then the CPL is forced to 0 + uchar_t cpl; // if the guest is real-mode then the CPL is forced to 0 // if the guest is virtual-mode then the CPL is forced to 3 - uint_t rsvd2 PACKED; + uint_t rsvd2; // offset 0x0d0 - ullong_t efer PACKED; + ullong_t efer; - uchar_t rsvd3[112] PACKED; + uchar_t rsvd3[112]; //offset 0x148 - ullong_t cr4 PACKED; - ullong_t cr3 PACKED; - ullong_t cr0 PACKED; - ullong_t dr7 PACKED; - ullong_t dr6 PACKED; - ullong_t rflags PACKED; - ullong_t rip PACKED; - - uchar_t rsvd4[88] PACKED; + ullong_t cr4; + ullong_t cr3; + ullong_t cr0; + ullong_t dr7; + ullong_t dr6; + ullong_t rflags; + ullong_t rip; + + uchar_t rsvd4[88]; //offset 0x1d8 - ullong_t rsp PACKED; + ullong_t rsp; - uchar_t rsvd5[24] PACKED; + uchar_t rsvd5[24]; //offset 0x1f8 - ullong_t rax PACKED; - ullong_t star PACKED; - ullong_t lstar PACKED; - ullong_t cstar PACKED; - ullong_t sfmask PACKED; - ullong_t KernelGsBase PACKED; - ullong_t sysenter_cs PACKED; - ullong_t sysenter_esp PACKED; - ullong_t sysenter_eip PACKED; - ullong_t cr2 PACKED; + ullong_t rax; + ullong_t star; + ullong_t lstar; + ullong_t cstar; + ullong_t sfmask; + ullong_t KernelGsBase; + ullong_t sysenter_cs; + ullong_t sysenter_esp; + ullong_t sysenter_eip; + ullong_t cr2; - uchar_t rsvd6[32] PACKED; + uchar_t rsvd6[32]; //offset 0x268 - ullong_t g_pat PACKED; // Guest PAT + ullong_t g_pat; // Guest PAT // -- only used if nested paging is enabled - ullong_t dbgctl PACKED; // Guest DBGCTL MSR + ullong_t dbgctl; // Guest DBGCTL MSR // -- only used if the LBR registers are virtualized - ullong_t br_from PACKED; // Guest LastBranchFromIP MSR + ullong_t br_from; // Guest LastBranchFromIP MSR // -- only used if the LBR registers are virtualized - ullong_t br_to PACKED; // Guest LastBranchToIP MSR + ullong_t br_to; // Guest LastBranchToIP MSR // -- only used if the LBR registers are virtualized - ullong_t lastexcpfrom PACKED; // Guest LastExceptionFromIP MSR + ullong_t lastexcpfrom; // Guest LastExceptionFromIP MSR // -- only used if the LBR registers are virtualized - ullong_t lastexcpto PACKED; // Guest LastExceptionToIP MSR + ullong_t lastexcpto; // Guest LastExceptionToIP MSR // -- only used if the LBR registers are virtualized -} vmcb_saved_state_t; +} __attribute__((packed)); + + +typedef struct VMCB_State_Save_Area vmcb_saved_state_t; void PrintDebugVMCB(vmcb_t * vmcb);