Changeset 24195 in vbox for trunk/src/VBox/Devices/PC

Timestamp:

Oct 30, 2009 2:32:56 PM (15 years ago)

Author:

vboxsync

Message:

DevAPIC: Properly deliver ExtINT from LAPIC as level sensitive.

File:

• trunk/src/VBox/Devices/PC/DevAPIC.cpp (modified) (1 diff)

trunk/src/VBox/Devices/PC/DevAPIC.cpp

@@ -1012 +1012 @@
                 Assert(u8Pin == 0); /* PIC should be wired to LINT0. */
                 enmType = PDMAPICIRQ_EXTINT;
-                break;
+                /* ExtINT can be both set and cleared, NMI/SMI/INIT can only be set. */
+                LogFlow(("apicLocalInterrupt: %s ExtINT interrupt\n", u8Level ? "setting" : "clearing"));
+                if (u8Level)
+                    cpuSetInterrupt(dev, s, enmType);
+                else
+                    cpuClearInterrupt(dev, s, enmType);
+                return VINF_SUCCESS;
             case APIC_DM_NMI:
                 Assert(u8Pin == 1); /* NMI should be wired to LINT1. */