Changeset 82111 in vbox for trunk/src/VBox/Devices/Graphics/BIOS

Timestamp:

Nov 22, 2019 10:38:23 PM (5 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

134921

Message:

VGABIOS: State save area size is returned in 64-byte blocks, not bytes.

File:

• trunk/src/VBox/Devices/Graphics/BIOS/vgabios.c (modified) (2 diffs)

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

@@ -1792 +1792 @@
         size += 3 + 256 * 3 + 1;
 
-    /// @todo Is this supposed to be in 1-byte or 64-byte units?
     return size;
 }
@@ -1798 +1797 @@
 static void vga_get_video_state_size(uint16_t state, uint16_t STACK_BASED *size)
 {
-    *size = biosfn_read_video_state_size2(state);
+    /* The size is the number of 64-byte blocks required to save the state. */
+    *size = (biosfn_read_video_state_size2(state) + 63) / 64;
 }