VirtualBox

Changeset 103588 in vbox


Ignore:
Timestamp:
Feb 27, 2024 3:39:36 PM (9 months ago)
Author:
vboxsync
Message:

VMM/IEM: Native translation of IEM_MC_MAYBE_RAISE_DEVICE_NOT_AVAILABLE() body, bugref:10371

Location:
trunk/src/VBox/VMM
Files:
6 edited

Legend:

Unmodified
Added
Removed

  • trunk/src/VBox/VMM/VMMAll/IEMAll.cpp

    r103516 r103588  
    42234223    return iemRaiseXcptOrInt(pVCpu, 0, X86_XCPT_NM, IEM_XCPT_FLAGS_T_CPU_XCPT, 0, 0);
    42244224}
     4225
     4226
     4227#ifdef IEM_WITH_SETJMP
     4228/** \#NM - 07.  */
     4229DECL_NO_RETURN(void) iemRaiseDeviceNotAvailableJmp(PVMCPUCC pVCpu) IEM_NOEXCEPT_MAY_LONGJMP
     4230{
     4231    iemRaiseXcptOrIntJmp(pVCpu, 0, X86_XCPT_NM, IEM_XCPT_FLAGS_T_CPU_XCPT, 0, 0);
     4232}
     4233#endif
    42254234
    42264235

  • trunk/src/VBox/VMM/VMMAll/IEMAllInstPython.py

    r103585 r103588  
    31053105    'IEM_MC_NOREF':                                              (McBlock.parseMcGeneric,           False, False, True,  ),
    31063106    'IEM_MC_MAYBE_RAISE_AVX_RELATED_XCPT':                       (McBlock.parseMcGeneric,           True,  True,  False, ),
    3107     'IEM_MC_MAYBE_RAISE_DEVICE_NOT_AVAILABLE':                   (McBlock.parseMcGeneric,           True,  True,  False, ),
     3107    'IEM_MC_MAYBE_RAISE_DEVICE_NOT_AVAILABLE':                   (McBlock.parseMcGeneric,           True,  True,  True, ),
    31083108    'IEM_MC_MAYBE_RAISE_FPU_XCPT':                               (McBlock.parseMcGeneric,           True,  True,  False, ),
    31093109    'IEM_MC_MAYBE_RAISE_FSGSBASE_XCPT':                          (McBlock.parseMcGeneric,           True,  True,  False, ),

  • trunk/src/VBox/VMM/VMMAll/IEMAllInstTwoByte0f.cpp.h

    r103548 r103588  
    17191719        IEM_MC_ARG_CONST(RTGCPTR,  GCPtrEffDst, NIL_RTGCPTR, 1);
    17201720        IEM_MC_FETCH_GREG_U16(u16Tmp, IEM_GET_MODRM_RM(pVCpu, bRm));
    1721         IEM_MC_CALL_CIMPL_2(IEM_CIMPL_F_MODE | IEM_CIMPL_F_VMEXIT, 0, iemCImpl_lmsw, u16Tmp, GCPtrEffDst);
     1721        IEM_MC_CALL_CIMPL_2(IEM_CIMPL_F_MODE | IEM_CIMPL_F_VMEXIT, RT_BIT_64(kIemNativeGstReg_Cr0),
     1722                            iemCImpl_lmsw, u16Tmp, GCPtrEffDst);
    17221723        IEM_MC_END();
    17231724    }
    … …  
    17301731        IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    17311732        IEM_MC_FETCH_MEM_U16(u16Tmp, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
    1732         IEM_MC_CALL_CIMPL_2(IEM_CIMPL_F_MODE | IEM_CIMPL_F_VMEXIT, 0, iemCImpl_lmsw, u16Tmp, GCPtrEffDst);
     1733        IEM_MC_CALL_CIMPL_2(IEM_CIMPL_F_MODE | IEM_CIMPL_F_VMEXIT, RT_BIT_64(kIemNativeGstReg_Cr0),
     1734                            iemCImpl_lmsw, u16Tmp, GCPtrEffDst);
    17331735        IEM_MC_END();
    17341736    }
    … …  
    19781980    IEMOP_MNEMONIC(syscall, "syscall"); /** @todo 286 LOADALL   */
    19791981    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
     1982    /** @todo r=aeichner Clobbers cr0 only if this is a 286 LOADALL instruction. */
    19801983    IEM_MC_DEFER_TO_CIMPL_0_RET(IEM_CIMPL_F_BRANCH_INDIRECT | IEM_CIMPL_F_BRANCH_FAR | IEM_CIMPL_F_BRANCH_STACK_FAR
    1981                                 | IEM_CIMPL_F_MODE | IEM_CIMPL_F_RFLAGS | IEM_CIMPL_F_END_TB, 0,
    1982                                 iemCImpl_syscall);
     1984                                | IEM_CIMPL_F_MODE | IEM_CIMPL_F_RFLAGS | IEM_CIMPL_F_END_TB,
     1985                                RT_BIT_64(kIemNativeGstReg_Cr0), iemCImpl_syscall);
    19831986}
    19841987
    … …  
    19891992    IEMOP_MNEMONIC(clts, "clts");
    19901993    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
    1991     IEM_MC_DEFER_TO_CIMPL_0_RET(IEM_CIMPL_F_VMEXIT, 0, iemCImpl_clts);
     1994    IEM_MC_DEFER_TO_CIMPL_0_RET(IEM_CIMPL_F_VMEXIT, RT_BIT_64(kIemNativeGstReg_Cr0), iemCImpl_clts);
    19921995}
    19931996
    … …  
    33813384    IEMOP_HLP_DONE_DECODING();
    33823385
     3386    /** @todo r=aeichner Split this up as flushing the cr0 is excessive for crX != 0? */
    33833387    if (iCrReg & (2 | 8))
    33843388        IEM_MC_DEFER_TO_CIMPL_2_RET(IEM_CIMPL_F_VMEXIT, 0,
    33853389                                    iemCImpl_mov_Cd_Rd, iCrReg, IEM_GET_MODRM_RM(pVCpu, bRm));
    33863390    else
    3387         IEM_MC_DEFER_TO_CIMPL_2_RET(IEM_CIMPL_F_MODE | IEM_CIMPL_F_VMEXIT, 0,
     3391        IEM_MC_DEFER_TO_CIMPL_2_RET(IEM_CIMPL_F_MODE | IEM_CIMPL_F_VMEXIT, RT_BIT_64(kIemNativeGstReg_Cr0),
    33883392                                    iemCImpl_mov_Cd_Rd, iCrReg, IEM_GET_MODRM_RM(pVCpu, bRm));
    33893393}

  • trunk/src/VBox/VMM/VMMAll/IEMAllN8veRecompiler.cpp

    r103585 r103588  
    15981598
    15991599/**
     1600 * Used by TB code when it wants to raise a \#NM.
     1601 */
     1602IEM_DECL_NATIVE_HLP_DEF(int, iemNativeHlpExecRaiseNm,(PVMCPUCC pVCpu))
     1603{
     1604    iemRaiseDeviceNotAvailableJmp(pVCpu);
     1605#ifndef _MSC_VER
     1606    return VINF_IEM_RAISED_XCPT; /* not reached */
     1607#endif
     1608}
     1609
     1610
     1611/**
    16001612 * Used by TB code when detecting opcode changes.
    16011613 * @see iemThreadeFuncWorkerObsoleteTb
    … …  
    29062918    pReNative->Core.u64ArgVars             = UINT64_MAX;
    29072919
    2908     AssertCompile(RT_ELEMENTS(pReNative->aidxUniqueLabels) == 9);
     2920    AssertCompile(RT_ELEMENTS(pReNative->aidxUniqueLabels) == 10);
    29092921    pReNative->aidxUniqueLabels[0]         = UINT32_MAX;
    29102922    pReNative->aidxUniqueLabels[1]         = UINT32_MAX;
    … …  
    29162928    pReNative->aidxUniqueLabels[7]         = UINT32_MAX;
    29172929    pReNative->aidxUniqueLabels[8]         = UINT32_MAX;
     2930    pReNative->aidxUniqueLabels[9]         = UINT32_MAX;
    29182931
    29192932    /* Full host register reinit: */
    … …  
    34853498    /* [kIemNativeGstReg_GprFirst + X86_GREG_x15] = */  { CPUMCTX_OFF_AND_SIZE(r15),                "r15", },
    34863499    /* [kIemNativeGstReg_Pc] = */                       { CPUMCTX_OFF_AND_SIZE(rip),                "rip", },
    3487     /* [kIemNativeGstReg_LivenessPadding17] = */        { UINT32_MAX / 4, 0,                        "pad17", },
     3500    /* [kIemNativeGstReg_Cr0] = */                      { CPUMCTX_OFF_AND_SIZE(cr0),                "cr0", },
    34883501    /* [kIemNativeGstReg_LivenessPadding18] = */        { UINT32_MAX / 4, 0,                        "pad18", },
    34893502    /* [kIemNativeGstReg_LivenessPadding19] = */        { UINT32_MAX / 4, 0,                        "pad19", },
    … …  
    57685781
    57695782/**
     5783 * Emits the code at the RaiseNm label.
     5784 */
     5785static uint32_t iemNativeEmitRaiseNm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxReturnLabel)
     5786{
     5787    uint32_t const idxLabel = iemNativeLabelFind(pReNative, kIemNativeLabelType_RaiseNm);
     5788    if (idxLabel != UINT32_MAX)
     5789    {
     5790        iemNativeLabelDefine(pReNative, idxLabel, off);
     5791
     5792        /* iemNativeHlpExecRaiseNm(PVMCPUCC pVCpu) */
     5793        off = iemNativeEmitLoadGprFromGpr(pReNative, off, IEMNATIVE_CALL_ARG0_GREG, IEMNATIVE_REG_FIXED_PVMCPU);
     5794        off = iemNativeEmitCallImm(pReNative, off, (uintptr_t)iemNativeHlpExecRaiseNm);
     5795
     5796        /* jump back to the return sequence. */
     5797        off = iemNativeEmitJmpToLabel(pReNative, off, idxReturnLabel);
     5798    }
     5799    return off;
     5800}
     5801
     5802
     5803/**
    57705804 * Emits the code at the ReturnWithFlags label (returns
    57715805 * VINF_IEM_REEXEC_FINISH_WITH_FLAGS).
    … …  
    65786612    iemNativeVarRegisterRelease(pReNative, idxVarPc);
    65796613    /** @todo implictly free the variable? */
     6614
     6615    return off;
     6616}
     6617
     6618
     6619
     6620/*********************************************************************************************************************************
     6621*   Emitters for raising exceptions (IEM_MC_MAYBE_RAISE_XXX)                                                                     *
     6622*********************************************************************************************************************************/
     6623
     6624#define IEM_MC_MAYBE_RAISE_DEVICE_NOT_AVAILABLE() \
     6625    off = iemNativeEmitMaybeRaiseDeviceNotAvailable(pReNative, off, pCallEntry->idxInstr)
     6626
     6627/**
     6628 * Emits code to check if a \#NM exception should be raised.
     6629 *
     6630 * @returns New code buffer offset, UINT32_MAX on failure.
     6631 * @param   pReNative       The native recompile state.
     6632 * @param   off             The code buffer offset.
     6633 */
     6634DECL_INLINE_THROW(uint32_t)
     6635iemNativeEmitMaybeRaiseDeviceNotAvailable(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxInstr)
     6636{
     6637    /*
     6638     * Make sure we don't have any outstanding guest register writes as we may
     6639     * raise an #NM and all guest register must be up to date in CPUMCTX.
     6640     *
     6641     * @todo r=aeichner Can we postpone this to the RaiseNm path?
     6642     */
     6643    off = iemNativeRegFlushPendingWrites(pReNative, off);
     6644
     6645#ifdef IEMNATIVE_WITH_INSTRUCTION_COUNTING
     6646    off = iemNativeEmitStoreImmToVCpuU8(pReNative, off, idxInstr, RT_UOFFSETOF(VMCPUCC, iem.s.idxTbCurInstr));
     6647#else
     6648    RT_NOREF(idxInstr);
     6649#endif
     6650
     6651    /* Allocate a temporary CR0 register. */
     6652    uint8_t const idxCr0Reg       = iemNativeRegAllocTmpForGuestReg(pReNative, &off, kIemNativeGstReg_Cr0, kIemNativeGstRegUse_ReadOnly);
     6653    uint8_t const idxLabelRaiseNm = iemNativeLabelCreate(pReNative, kIemNativeLabelType_RaiseNm);
     6654
     6655    /*
     6656     * if (cr0 & (X86_CR0_EM | X86_CR0_TS) != 0)
     6657     *     return raisexcpt();
     6658     */
     6659    /* Test and jump. */
     6660    off = iemNativeEmitTestAnyBitsInGprAndJmpToLabelIfAnySet(pReNative, off, idxCr0Reg, X86_CR0_EM | X86_CR0_TS, idxLabelRaiseNm);
     6661
     6662    /* Free but don't flush the CR0 register. */
     6663    iemNativeRegFreeTmp(pReNative, idxCr0Reg);
    65806664
    65816665    return off;
    … …  
    1363913723                                    pszName = "RaiseGp0";
    1364013724                                    break;
     13725                                case kIemNativeLabelType_RaiseNm:
     13726                                    pszName = "RaiseNm";
     13727                                    break;
    1364113728                                case kIemNativeLabelType_ObsoleteTb:
    1364213729                                    pszName = "ObsoleteTb";
    … …  
    1418614273        if (pReNative->bmLabelTypes & RT_BIT_64(kIemNativeLabelType_RaiseGp0))
    1418714274            off = iemNativeEmitRaiseGp0(pReNative, off, idxReturnLabel);
     14275        if (pReNative->bmLabelTypes & RT_BIT_64(kIemNativeLabelType_RaiseNm))
     14276            off = iemNativeEmitRaiseNm(pReNative, off, idxReturnLabel);
    1418814277        if (pReNative->bmLabelTypes & RT_BIT_64(kIemNativeLabelType_ObsoleteTb))
    1418914278            off = iemNativeEmitObsoleteTb(pReNative, off, idxReturnLabel);

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

    r103561 r103588  
    51485148VBOXSTRICTRC            iemRaiseUndefinedOpcode(PVMCPUCC pVCpu) RT_NOEXCEPT;
    51495149VBOXSTRICTRC            iemRaiseDeviceNotAvailable(PVMCPUCC pVCpu) RT_NOEXCEPT;
     5150#ifdef IEM_WITH_SETJMP
     5151DECL_NO_RETURN(void)    iemRaiseDeviceNotAvailableJmp(PVMCPUCC pVCpu) IEM_NOEXCEPT_MAY_LONGJMP;
     5152#endif
    51505153VBOXSTRICTRC            iemRaiseTaskSwitchFaultWithErr(PVMCPUCC pVCpu, uint16_t uErr) RT_NOEXCEPT;
    51515154VBOXSTRICTRC            iemRaiseTaskSwitchFaultCurrentTSS(PVMCPUCC pVCpu) RT_NOEXCEPT;

  • trunk/src/VBox/VMM/include/IEMN8veRecompiler.h

    r103393 r103588  
    319319    kIemNativeLabelType_NonZeroRetOrPassUp,
    320320    kIemNativeLabelType_RaiseGp0,
     321    kIemNativeLabelType_RaiseNm,
    321322    kIemNativeLabelType_ObsoleteTb,
    322323    kIemNativeLabelType_NeedCsLimChecking,
    … …  
    686687    kIemNativeGstReg_GprLast       = kIemNativeGstReg_GprFirst + 15,
    687688    kIemNativeGstReg_Pc,
    688     kIemNativeGstReg_LivenessPadding17,
     689    kIemNativeGstReg_Cr0,
    689690    kIemNativeGstReg_LivenessPadding18,
    690691    kIemNativeGstReg_LivenessPadding19,
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