Changeset 61339 in vbox for trunk/src/VBox/VMM/VMMR0

Timestamp:

May 31, 2016 2:23:24 PM (9 years ago)

Author:

vboxsync

Message:

VMM, Devices: Added new I/O APIC implementation.

File:

• trunk/src/VBox/VMM/VMMR0/PDMR0Device.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR0/PDMR0Device.cpp

@@ -605 +605 @@
 
 
+/** @interface_method_impl{PDMAPICHLPR0,pfnBusBroadcastEoi} */
+static DECLCALLBACK(void) pdmR0ApicHlp_BusBroadcastEoi(PPDMDEVINS pDevIns, uint8_t u8Vector)
+{
+    /* pfnSetEoi will be NULL in the old IOAPIC code as it's not implemented. */
+#ifdef VBOX_WITH_NEW_IOAPIC
+    PDMDEV_ASSERT_DEVINS(pDevIns);
+    PVM pVM = pDevIns->Internal.s.CTX_SUFF(pVM);
+
+    /* At present, we support only a maximum of one I/O APIC for a VM. If we ever implement having
+       multiple I/O APICs per-VM, we'll have to broadcast this EOI to all of the I/O APICs. */
+    if (pVM->pdm.s.IoApic.CTX_SUFF(pDevIns))
+    {
+        Assert(pVM->pdm.s.IoApic.CTX_SUFF(pfnSetEoi));
+        pdmLock(pVM);
+        pVM->pdm.s.IoApic.CTX_SUFF(pfnSetEoi)(pVM->pdm.s.IoApic.CTX_SUFF(pDevIns), u8Vector);
+        pdmUnlock(pVM);
+    }
+#endif
+}
+
+
 /** @interface_method_impl{PDMAPICHLPR0,pfnCalcIrqTag} */
 static DECLCALLBACK(uint32_t) pdmR0ApicHlp_CalcIrqTag(PPDMDEVINS pDevIns, uint8_t u8Level)
@@ -684 +705 @@
     pdmR0ApicHlp_SetInterruptFF,
     pdmR0ApicHlp_ClearInterruptFF,
+    pdmR0ApicHlp_BusBroadcastEoi,
     pdmR0ApicHlp_CalcIrqTag,
     pdmR0ApicHlp_ChangeFeature,