Example #1
0
/** @interface_method_impl{PDMDEVHLPR0,pfnPCISetIrq} */
static DECLCALLBACK(void) pdmR0DevHlp_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
    PDMDEV_ASSERT_DEVINS(pDevIns);
    LogFlow(("pdmR0DevHlp_ISASetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
    PVM pVM = pDevIns->Internal.s.pVMR0;

    pdmLock(pVM);
    uint32_t uTagSrc;
    if (iLevel & PDM_IRQ_LEVEL_HIGH)
    {
        pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
        if (iLevel == PDM_IRQ_LEVEL_HIGH)
            VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
        else
            VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
    }
    else
        uTagSrc = pDevIns->Internal.s.uLastIrqTag;

    bool fRc = pdmR0IsaSetIrq(pVM, iIrq, iLevel, uTagSrc);

    if (iLevel == PDM_IRQ_LEVEL_LOW && fRc)
        VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
    pdmUnlock(pVM);
    LogFlow(("pdmR0DevHlp_ISASetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc));
}
Example #2
0
/** @interface_method_impl{PDMHPETHLPR3,pfnSetIrq} */
static DECLCALLBACK(int) pdmR3HpetHlp_SetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
    PDMDEV_ASSERT_DEVINS(pDevIns);
    LogFlow(("pdmR3HpetHlp_SetIrq: caller='%s'/%d: iIrq=%d iLevel=%d\n", pDevIns->pReg->szName, pDevIns->iInstance, iIrq, iLevel));
    PVM pVM = pDevIns->Internal.s.pVMR3;

    pdmLock(pVM);
    uint32_t uTagSrc;
    if (iLevel & PDM_IRQ_LEVEL_HIGH)
    {
        pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
        if (iLevel == PDM_IRQ_LEVEL_HIGH)
            VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
        else
            VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
    }
    else
        uTagSrc = pDevIns->Internal.s.uLastIrqTag;

    PDMIsaSetIrq(pVM, iIrq, iLevel, uTagSrc); /* (The API takes the lock recursively.) */

    if (iLevel == PDM_IRQ_LEVEL_LOW)
        VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
    pdmUnlock(pVM);
    return 0;
}
Example #3
0
/** @interface_method_impl{PDMDEVHLPR0,pfnPCISetIrq} */
static DECLCALLBACK(void) pdmR0DevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
    PDMDEV_ASSERT_DEVINS(pDevIns);
    LogFlow(("pdmR0DevHlp_PCISetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
    PVM          pVM     = pDevIns->Internal.s.pVMR0;
    PPCIDEVICE   pPciDev = pDevIns->Internal.s.pPciDeviceR0;
    PPDMPCIBUS   pPciBus = pDevIns->Internal.s.pPciBusR0;

    pdmLock(pVM);
    uint32_t uTagSrc;
    if (iLevel & PDM_IRQ_LEVEL_HIGH)
    {
        pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
        if (iLevel == PDM_IRQ_LEVEL_HIGH)
            VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
        else
            VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
    }
    else
        uTagSrc = pDevIns->Internal.s.uLastIrqTag;

    if (    pPciDev
        &&  pPciBus
        &&  pPciBus->pDevInsR0)
    {
        pPciBus->pfnSetIrqR0(pPciBus->pDevInsR0, pPciDev, iIrq, iLevel, uTagSrc);

        pdmUnlock(pVM);

        if (iLevel == PDM_IRQ_LEVEL_LOW)
            VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
    }
    else
    {
        pdmUnlock(pVM);

        /* queue for ring-3 execution. */
        PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueR0);
        AssertReturnVoid(pTask);

        pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ;
        pTask->pDevInsR3 = PDMDEVINS_2_R3PTR(pDevIns);
        pTask->u.SetIRQ.iIrq = iIrq;
        pTask->u.SetIRQ.iLevel = iLevel;
        pTask->u.SetIRQ.uTagSrc = uTagSrc;

        PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueR0, &pTask->Core, 0);
    }

    LogFlow(("pdmR0DevHlp_PCISetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc));
}
Example #4
0
/**
 * Sets the pending interrupt coming from ISA source or HPET.
 *
 * @returns VBox status code.
 * @param   pVM             Pointer to the VM.
 * @param   u8Irq           The IRQ line.
 * @param   u8Level         The new level.
 * @param   uTagSrc         The IRQ tag and source tracer ID.
 */
VMMDECL(int) PDMIsaSetIrq(PVM pVM, uint8_t u8Irq, uint8_t u8Level, uint32_t uTagSrc)
{
    pdmLock(pVM);

    /** @todo put the IRQ13 code elsewhere to avoid this unnecessary bloat. */
    if (!uTagSrc && (u8Level & PDM_IRQ_LEVEL_HIGH)) /* FPU IRQ */
    {
        if (u8Level == PDM_IRQ_LEVEL_HIGH)
            VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), 0, 0);
        else
            VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), 0, 0);
    }

    int rc = VERR_PDM_NO_PIC_INSTANCE;
    if (pVM->pdm.s.Pic.CTX_SUFF(pDevIns))
    {
        Assert(pVM->pdm.s.Pic.CTX_SUFF(pfnSetIrq));
        pVM->pdm.s.Pic.CTX_SUFF(pfnSetIrq)(pVM->pdm.s.Pic.CTX_SUFF(pDevIns), u8Irq, u8Level, uTagSrc);
        rc = VINF_SUCCESS;
    }

    if (pVM->pdm.s.IoApic.CTX_SUFF(pDevIns))
    {
        Assert(pVM->pdm.s.IoApic.CTX_SUFF(pfnSetIrq));

        /*
         * Apply Interrupt Source Override rules.
         * See ACPI 4.0 specification 5.2.12.4 and 5.2.12.5 for details on
         * interrupt source override.
         * Shortly, ISA IRQ0 is electically connected to pin 2 on IO-APIC, and some OSes,
         * notably recent OS X rely upon this configuration.
         * If changing, also update override rules in MADT and MPS.
         */
        /* ISA IRQ0 routed to pin 2, all others ISA sources are identity mapped */
        if (u8Irq == 0)
            u8Irq = 2;

        pVM->pdm.s.IoApic.CTX_SUFF(pfnSetIrq)(pVM->pdm.s.IoApic.CTX_SUFF(pDevIns), u8Irq, u8Level, uTagSrc);
        rc = VINF_SUCCESS;
    }

    if (!uTagSrc && u8Level == PDM_IRQ_LEVEL_LOW)
        VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), 0, 0);
    pdmUnlock(pVM);
    return rc;
}
Example #5
0
/** @interface_method_impl{PDMAPICHLPR0,pfnCalcIrqTag} */
static DECLCALLBACK(uint32_t) pdmR0ApicHlp_CalcIrqTag(PPDMDEVINS pDevIns, uint8_t u8Level)
{
    PDMDEV_ASSERT_DEVINS(pDevIns);
    PVM pVM = pDevIns->Internal.s.pVMR0;

    pdmLock(pVM);

    uint32_t uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
    if (u8Level == PDM_IRQ_LEVEL_HIGH)
        VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
    else
        VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));


    pdmUnlock(pVM);
    LogFlow(("pdmR0ApicHlp_CalcIrqTag: caller=%p/%d: returns %#x (u8Level=%d)\n",
             pDevIns, pDevIns->iInstance, uTagSrc, u8Level));
    return uTagSrc;
}