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[Qemu-devel] [PATCH 0/4] qemu option loading


From: Gerd Hoffmann
Subject: [Qemu-devel] [PATCH 0/4] qemu option loading
Date: Fri, 18 Dec 2009 12:16:00 +0100

  Hi,

qemu is about to change the way how option roms are loaded.  pci roms
will be loaded into a option rom bar (like real hardware does).
non-pci roms can be loaded using the qemu firmware interface.

With this change seabios will deploy all roms instead of having qemu
copy them to the 0xc0000 -> 0e0000 range.  Advantages are:

  * roms can be packed better, especially in case they resize themself
    (like the gPXE roms do).
  * rom area is a bit larger as seabios can additionally use the
    unused regions of the 0xe0000 segment.
  * the whole process comes closer to what happens on real hardware.

cheers,
  Gerd





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