BootX gets the framebuffer address to provide to Mac OS from the frame-buffer-adr value. This value was previously just set to null.

Index: packages/video.c
===================================================================
--- packages/video.c (revision 1041)
+++ packages/video.c (working copy)
@@ -332,6 +369,9 @@
  video.has_video = 1;
  video.pal = malloc( 256 * sizeof(unsigned long) );
 
+ PUSH(video.fb.mphys);
+ feval("to frame-buffer-adr");
+
 #ifdef CONFIG_PPC
         s = (video.fb.mphys & 0xfff);
         size = ((video.fb.h * video.fb.rb + s) + 0xfff) & ~0xfff;