VirtualBox

Changeset 80015 in vbox for trunk/src/VBox/VMM/include


Ignore:
Timestamp:
Jul 26, 2019 4:46:49 PM (6 years ago)
Author:
vboxsync
svn:sync-xref-src-repo-rev:
132450
Message:

VMM: Kicking out raw-mode (work in progress) - TRPM. bugref:9517

Location:
trunk/src/VBox/VMM/include
Files:
2 edited

Legend:

Unmodified
Added
Removed

  • trunk/src/VBox/VMM/include/TRPMInternal.h

    r76585 r80015  
    3737 */
    3838
    39 
    40 #ifdef VBOX_WITH_RAW_MODE
    41 /** Enable or disable tracking of Guest's IDT. */
    42 # define TRPM_TRACK_GUEST_IDT_CHANGES
    43 /** Enable or disable tracking of Shadow IDT. */
    44 # define TRPM_TRACK_SHADOW_IDT_CHANGES
    45 #endif
    46 
    47 
    48 /** Enable to allow trap forwarding in GC. */
    49 #ifdef VBOX_WITH_RAW_MODE
    50 # define TRPM_FORWARD_TRAPS_IN_GC
    51 #endif
    52 
    5339/** First interrupt handler. Used for validating input. */
    5440#define TRPM_HANDLER_INT_BASE  0x20
    … …  
    7561
    7662
    77 #if 0 /* not used */
    78 /**
    79  * Converts a TRPM pointer into a VM pointer.
    80  * @returns Pointer to the VM structure the TRPM is part of.
    81  * @param   pTRPM       Pointer to TRPM instance data.
    82  */
    83 #define TRPM_2_VM(pTRPM)            ( (PVM)((uint8_t *)(pTRPM) - (pTRPM)->offVM) )
    84 #endif
    85 
    86 /**
    87  * Converts a TRPM pointer into a TRPMCPU pointer.
    88  * @returns Pointer to the VM structure the TRPMCPU is part of.
    89  * @param   pTrpmCpu    Pointer to TRPMCPU instance data.
    90  * @remarks Raw-mode only, not SMP safe.
    91  */
    92 #define TRPM_2_TRPMCPU(pTrpmCpu)     ( (PTRPMCPU)((uint8_t *)(pTrpmCpu) + (pTrpmCpu)->offTRPMCPU) )
    93 
    94 
    9563/**
    9664 * TRPM Data (part of VM)
    9765 *
    98  * IMPORTANT! Keep the nasm version of this struct up-to-date.
     66 * @note This used to be a big deal when we had raw-mode, now it's a dud. :-)
    9967 */
    10068typedef struct TRPM
    10169{
    102     /** Offset to the VM structure.
    103      * See TRPM_2_VM(). */
    104     RTINT                   offVM;
    105     /** Offset to the TRPMCPU structure.
    106      * See TRPM2TRPMCPU(). */
    107     RTINT                   offTRPMCPU;
    108 
    109     /** Whether monitoring of the guest IDT is enabled or not.
    110      *
    111      * This configuration option is provided for speeding up guest like Solaris
    112      * that put the IDT on the same page as a whole lot of other data that is
    113      * frequently updated. The updates will cause \#PFs and have to be interpreted
    114      * by PGMInterpretInstruction which is slow compared to raw execution.
    115      *
    116      * If the guest is well behaved and doesn't change the IDT after loading it,
    117      * there is no problem with dropping the IDT monitoring.
    118      *
    119      * @cfgm{/TRPM/SafeToDropGuestIDTMonitoring, boolean, defaults to false.}
    120      */
    121     bool                    fSafeToDropGuestIDTMonitoring;
    122 
    123     /** Padding to get the IDTs at a 16 byte alignment. */
    124     uint8_t                 abPadding1[7];
    125     /** IDTs. Aligned at 16 byte offset for speed. */
    126     VBOXIDTE                aIdt[256];
    127 
    128     /** Bitmap for IDTEs that contain PATM handlers. (needed for relocation) */
    129     uint32_t                au32IdtPatched[8];
    130 
    131     /** Temporary Hypervisor trap handlers.
    132      * NULL means default action. */
    133     RCPTRTYPE(void *)       aTmpTrapHandlers[256];
    134 
    135     /** RC Pointer to the IDT shadow area (aIdt) in HMA. */
    136     RCPTRTYPE(void *)       pvMonShwIdtRC;
    137     /** padding. */
    138     uint8_t                 au8Padding[2];
    139     /** Current (last) Guest's IDTR. */
    140     VBOXIDTR                GuestIdtr;
    141     /** Shadow IDT virtual write access handler type. */
    142     PGMVIRTHANDLERTYPE      hShadowIdtWriteHandlerType;
    143     /** Guest IDT virtual write access handler type. */
    144     PGMVIRTHANDLERTYPE      hGuestIdtWriteHandlerType;
    145 
    146     /** Checked trap & interrupt handler array */
    147     RCPTRTYPE(void *)       aGuestTrapHandler[256];
    148 
    149     /** RC: The number of times writes to the Guest IDT were detected. */
    150     STAMCOUNTER             StatRCWriteGuestIDTFault;
    151     STAMCOUNTER             StatRCWriteGuestIDTHandled;
    152 
    153     /** HC: Profiling of the TRPMR3SyncIDT() method. */
    154     STAMPROFILE             StatSyncIDT;
    155     /** GC: Statistics for the trap handlers. */
    156     STAMPROFILEADV          aStatGCTraps[0x14];
    157 
    158     STAMPROFILEADV          StatForwardProfR3;
    159     STAMPROFILEADV          StatForwardProfRZ;
    160     STAMCOUNTER             StatForwardFailNoHandler;
    161     STAMCOUNTER             StatForwardFailPatchAddr;
    162     STAMCOUNTER             StatForwardFailR3;
    163     STAMCOUNTER             StatForwardFailRZ;
    164 
    165     STAMPROFILE             StatTrap0dDisasm;
    166     STAMCOUNTER             StatTrap0dRdTsc;    /**< Number of RDTSC \#GPs. */
    167 
    16870#ifdef VBOX_WITH_STATISTICS
    16971    /** Statistics for interrupt handlers (allocated on the hypervisor heap) - R3
    17072     * pointer. */
    17173    R3PTRTYPE(PSTAMCOUNTER) paStatForwardedIRQR3;
    172     /** Statistics for interrupt handlers - RC pointer. */
    173     RCPTRTYPE(PSTAMCOUNTER) paStatForwardedIRQRC;
    174 
    175     /** Host interrupt statistics (allocated on the hypervisor heap) - RC ptr. */
    176     RCPTRTYPE(PSTAMCOUNTER) paStatHostIrqRC;
    177     /** Host interrupt statistics (allocated on the hypervisor heap) - R3 ptr. */
    178     R3PTRTYPE(PSTAMCOUNTER) paStatHostIrqR3;
    17974#endif
     75    uint64_t                u64Dummy;
    18076} TRPM;
    181 AssertCompileMemberAlignment(TRPM, GuestIdtr.pIdt, 8);
    18277
    18378/** Pointer to TRPM Data. */
    18479typedef TRPM *PTRPM;
    185 
    186 
    187 /**
    188  * Converts a TRPMCPU pointer into a VM pointer.
    189  * @returns Pointer to the VM structure the TRPMCPU is part of.
    190  * @param   pTrpmCpu    Pointer to TRPMCPU instance data.
    191  */
    192 #define TRPMCPU_2_VM(pTrpmCpu)      ( (PVM)((uint8_t *)(pTrpmCpu) - (pTrpmCpu)->offVM) )
    193 
    194 /**
    195  * Converts a TRPMCPU pointer into a VMCPU pointer.
    196  * @returns Pointer to the VMCPU structure the TRPMCPU is part of.
    197  * @param   pTrpmCpu    Pointer to TRPMCPU instance data.
    198  */
    199 #define TRPMCPU_2_VMCPU(pTrpmCpu)   ( (PVMCPU)((uint8_t *)(pTrpmCpu) - (pTrpmCpu)->offVMCpu) )
    20080
    20181
    … …  
    20585typedef struct TRPMCPU
    20686{
    207     /** Offset into the VM structure.
    208      * See TRPMCPU_2_VM(). */
    209     uint32_t                offVM;
    210     /** Offset into the VMCPU structure.
    211      * See TRPMCPU_2_VMCPU().  */
    212     uint32_t                offVMCpu;
    213 
    21487    /** Active Interrupt or trap vector number.
    21588     * If not UINT32_MAX this indicates that we're currently processing a
    … …  
    258131
    259132
    260 PGM_ALL_CB2_PROTO(FNPGMVIRTHANDLER) trpmGuestIDTWriteHandler;
    261 DECLEXPORT(FNPGMRCVIRTPFHANDLER)    trpmRCGuestIDTWritePfHandler;
    262 DECLEXPORT(FNPGMRCVIRTPFHANDLER)    trpmRCShadowIDTWritePfHandler;
    263 
    264 /**
    265  * Clear guest trap/interrupt gate handler
    266  *
    267  * @returns VBox status code.
    268  * @param   pVM         The cross context VM structure.
    269  * @param   iTrap       Interrupt/trap number.
    270  */
    271 VMMDECL(int) trpmClearGuestTrapHandler(PVM pVM, unsigned iTrap);
    272 
    273 
    274 #ifdef IN_RING3
    275 int trpmR3ClearPassThroughHandler(PVM pVM, unsigned iTrap);
    276 #endif
    277 
    278 
    279133#ifdef IN_RING0
    280134

  • trunk/src/VBox/VMM/include/TRPMInternal.mac

    r76553 r80015  
    2828
    2929struc TRPM
    30     .offVM              resd 1
    31     .offTRPMCPU         resd 1
    32     .fSafeToDropGuestIDTMonitoring resb 1
    33     .abPadding1         resb 7
    34     .aIdt               resd 512
    35     .au32IdtPatched     resd 8
    36     .aTmpTrapHandlers   RTRCPTR_RES 256
    37 
    38     .pvMonShwIdtRC                  RTRCPTR_RES 1
    39     .au8Padding                     resb 2
    40     .GuestIdtr                      resb 10
    41     .hShadowIdtWriteHandlerType     resd 1
    42     .hGuestIdtWriteHandlerType      resd 1
    43 
    44     .aGuestTrapHandler  RTRCPTR_RES 256
    45 
    46     alignb 8
    47     .StatRCWriteGuestIDTFault  resb STAMCOUNTER_size
    48     .StatRCWriteGuestIDTHandled  resb STAMCOUNTER_size
    49     .StatSyncIDT        resb STAMPROFILE_size
    50     .aStatGCTraps       resb STAMPROFILEADV_size * 0x14
    51 
    52     .StatForwardProfR3        resb STAMPROFILEADV_size
    53     .StatForwardProfRZ        resb STAMPROFILEADV_size
    54     .StatForwardFailNoHandler resb STAMCOUNTER_size
    55     .StatForwardFailPatchAddr resb STAMCOUNTER_size
    56     .StatForwardFailR3        resb STAMCOUNTER_size
    57     .StatForwardFailRZ        resb STAMCOUNTER_size
    58 
    59     .StatTrap0dDisasm         resb STAMPROFILE_size
    60     .StatTrap0dRdTsc          resb STAMCOUNTER_size
    61 
    6230%ifdef VBOX_WITH_STATISTICS
    6331    .paStatForwardedIRQR3    RTR3PTR_RES 1
    64     .paStatForwardedIRQRC    RTRCPTR_RES 1
    65     .paStatHostIrqRC         RTRCPTR_RES 1
    66     .paStatHostIrqR3         RTR3PTR_RES 1
    6732%endif
     33    .u64Dummy           resq 1
    6834endstruc
    6935
    7036struc TRPMCPU
    71     .offVM              resd 1
    72     .offVMCpu           resd 1
    7337    .uActiveVector      resd 1
    7438    .enmActiveType      resd 1
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