Changeset 65619 in vbox for trunk/src/VBox/Devices

Timestamp:

Feb 6, 2017 10:36:00 AM (8 years ago)

Author:

vboxsync

Message:

DevACPI: make the condition for u64PciPref64 and cbRamLow more obvious and for u64PciPref64 it's actually sufficient to add cbRamHole, not offRamHole

File:

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

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

@@ -3138 +3138 @@
     {
         /* Activate MEM4 */
-        if (offRamHole >= pThis->u64RamSize)
+        if (pThis->u64RamSize > offRamHole)
+            pThis->u64PciPref64 = RT_ALIGN_64(pThis->u64RamSize + cbRamHole, _1G);
+        else
             pThis->u64PciPref64 = _4G;
-        else
-            pThis->u64PciPref64 = RT_ALIGN_64(pThis->u64RamSize + offRamHole, _1G);
-    }
-    uint64_t cbRamLow = offRamHole < pThis->u64RamSize ? offRamHole : pThis->u64RamSize;
+    }
+    uint64_t cbRamLow = pThis->u64RamSize > offRamHole ? offRamHole : pThis->u64RamSize;
     if (cbRamLow > UINT32_C(0xffe00000)) /* See MEM3. */
     {