Changeset 54670 in vbox for trunk/src/VBox/Devices/PC

Timestamp:

Mar 6, 2015 4:11:31 PM (10 years ago)

Author:

vboxsync

Message:

APIC: More closely emulate real CPU behavior.

File:

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

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

@@ -2379 +2379 @@
     uint32_t ApicBase = pDev->paLapicsR3[0].apicbase & ~0xfff;
     rc = PDMDevHlpMMIORegister(pDevIns, ApicBase, 0x1000, pDev,
-                               IOMMMIO_FLAGS_READ_DWORD | IOMMMIO_FLAGS_WRITE_ONLY_DWORD,
+                               IOMMMIO_FLAGS_READ_DWORD | IOMMMIO_FLAGS_WRITE_DWORD_ZEROED,
                                apicMMIOWrite, apicMMIORead, "APIC Memory");
     if (RT_FAILURE(rc))