Changeset 30419 in vbox

Timestamp:

Jun 24, 2010 11:48:05 AM (14 years ago)

Author:

vboxsync

Message:

Accept higher guest ram values for 32-bit Windows hosts with a larger user virtual address space limit

File:

• trunk/src/VBox/Main/SystemPropertiesImpl.cpp (modified) (1 diff)

trunk/src/VBox/Main/SystemPropertiesImpl.cpp

@@ -205 +205 @@
 #if HC_ARCH_BITS == 32 && !defined(RT_OS_DARWIN)
 # ifdef RT_OS_WINDOWS
-    maxRAMArch = UINT32_C(1500);
+    SYSTEMINFO sysInfo;
+    GetSystemInfo(&sysInfo);
+
+    if (sysInfo.lpMaximumApplicationAddress >= 0xC000000)   /* 3.0 GB */
+        maxRAMArch = UINT32_C(2560);
+    else
+    if (sysInfo.lpMaximumApplicationAddress > 0xA000000)    /* 2.5 GB */
+        maxRAMArch = UINT32_C(2048);
+    else
+        maxRAMArch = UINT32_C(1500);
 # else
     maxRAMArch = UINT32_C(2560);