Changeset 8313 in vbox for trunk/src/VBox/Devices

Timestamp:

Apr 23, 2008 7:13:13 AM (17 years ago)

Author:

vboxsync

Message:

Devices/VMMDev: preserved saved state compatibility

File:

• trunk/src/VBox/Devices/VMMDev/VBoxDev.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/VMMDev/VBoxDev.cpp

@@ -2024 +2024 @@
 {
     VMMDevState *pData = PDMINS2DATA(pDevIns, VMMDevState*);
-    if (u32Version != VMMDEV_SSM_VERSION)
+    if (   SSM_VERSION_MAJOR_CHANGED(u32Version, VMMDEV_SSM_VERSION)
+        || (SSM_VERSION_MINOR(u32Version) < 6))
         return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
     SSMR3GetU32(pSSMHandle, &pData->hypervisorSize);
@@ -2045 +2046 @@
     SSMR3GetU32(pSSMHandle, &pData->guestCaps);
 
-    SSMR3GetU32(pSSMHandle, &pData->u32MaxGuestWidth);
-    SSMR3GetU32(pSSMHandle, &pData->u32MaxGuestHeight);
+    if (   SSM_VERSION_MAJOR(u32Version) >  0
+        || SSM_VERSION_MINOR(u32Version) >= 7)
+    {
+        SSMR3GetU32(pSSMHandle, &pData->u32MaxGuestWidth);
+        SSMR3GetU32(pSSMHandle, &pData->u32MaxGuestHeight);
+    }
 
 #ifdef VBOX_HGCM