Changeset 63594 in vbox for trunk/src/VBox/Devices/Graphics/BIOS

Timestamp:

Aug 19, 2016 10:12:52 AM (8 years ago)

Author:

vboxsync

Message:

Devices/Graphics/BIOS: do not report a physical base pointer for non-linear VBE graphics modes.

File:

• trunk/src/VBox/Devices/Graphics/BIOS/vbe.c (modified) (1 diff)

trunk/src/VBox/Devices/Graphics/BIOS/vbe.c

@@ -453 +453 @@
         // Update the LFB physical address which may change at runtime
         out_w(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_FB_BASE_HI);
-        write_word(ES, DI + offsetof(ModeInfoBlock, PhysBasePtr) + 2, in_w(VBE_DISPI_IOPORT_DATA));
+        if (using_lfb)
+            write_word(ES, DI + offsetof(ModeInfoBlock, PhysBasePtr) + 2, in_w(VBE_DISPI_IOPORT_DATA));
+        else
+            write_word(ES, DI + offsetof(ModeInfoBlock, PhysBasePtr) + 2, 0);
 
         result = 0x4f;