Changeset 31827 in vbox for trunk/src/VBox/Additions/WINNT/Graphics/Miniport

Timestamp:

Aug 20, 2010 3:17:00 PM (14 years ago)

Author:

vboxsync

Message:

VBoxVideo: Report legacy VGA resources, do not try to claim conflicting PCI resources.

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp (modified) (4 diffs)

trunk/src/VBox/Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp

@@ -40 +40 @@
 static WCHAR VBoxBiosString[] = L"Version 0xB0C2 or later";
 
+VIDEO_ACCESS_RANGE  VGARanges[] = {
+    { 0x000003B0, 0x00000000, 0x0000000C, 1, 1, 1, 0 }, /* 0x3B0-0x3BB */
+    { 0x000003C0, 0x00000000, 0x00000020, 1, 1, 1, 0 }, /* 0x3C0-0x3DF */
+    { 0x000A0000, 0x00000000, 0x00020000, 0, 0, 1, 0 }, /* 0xA0000-0xBFFFF */
+};
 /*
  * Globals for the last custom resolution set. This is important
@@ -79 +84 @@
     InitData.HwGetVideoChildDescriptor = VBoxVideoGetChildDescriptor;
     InitData.HwDeviceExtensionSize = sizeof(DEVICE_EXTENSION);
+    // report legacy VGA resource ranges
+    InitData.HwLegacyResourceList  = VGARanges;
+    InitData.HwLegacyResourceCount = sizeof(VGARanges) / sizeof(VGARanges[0]);
 
     // our DDK is at the Win2k3 level so we have to take special measures
@@ -1869 +1877 @@
           /* no matter what we get with VideoPortGetAccessRanges, we assert the default ranges */
       }
-#endif /* VBOX_WITH_HGSMI */
+#else
       rc = VideoPortVerifyAccessRanges(HwDeviceExtension, 1, AccessRanges);
       dprintf(("VBoxVideo::VBoxVideoFindAdapter: VideoPortVerifyAccessRanges returned 0x%x\n", rc));
@@ -1876 +1884 @@
       // pretend success to make the driver work.
       rc = NO_ERROR;
+#endif /* VBOX_WITH_HGSMI */
 
 #ifndef VBOX_WITH_HGSMI