- The PC BIOS comes from the Bochs project (http://bochs.sourceforge.net/).
  The patches in bios-pq have been applied. The binary is based on the revision
  in bios-pq/HEAD with the patches in bios-pq/series applied.  The git repo
  that HEAD refers to is located at
  git://git.kernel.org/pub/scm/virt/bochs/bochs.git

  To build these use the following instructions:
  using guilt:
  $ export QEMUSRC=/path/to/qemu/svn
  $ git clone git://git.kernel.org/pub/scm/virt/bochs/bochs.git
  $ cd bochs
  $ git checkout -b qemu-bios $(cat $QEMUSRC/pc-bios/bios-pq/HEAD)

  $ mkdir -p .git/patches
  $ ln -s $QEMUSRC/pc-bios/bios-pq .git/patches/qemu-bios
  $ touch .git/patches/qemu-bios/status
  $ guilt push -a
  $ ./configure
  $ cd bios
  $ make
  $ cp BIOS-bochs-latest $QEMUSRC/pc-bios/bios.bin

  or alternatively (after the git checkout):
  $ for p in $(cat $QEMUSRC/pc-bios/bios-pq/series); do git am $p; done
  $ ./configure
  $ make bios

- The VGA BIOS and the Cirrus VGA BIOS come from the LGPL VGA bios
  project (http://www.nongnu.org/vgabios/).  The binary is based on the revision
  in vgabios-pq/HEAD with the patches in vgabios-pq/series applied.  The git
  repo that HEAD refers to is located at
  git://git.kernel.org/pub/scm/virt/vgabios/vgabios.git

- The PowerPC Open Hack'Ware Open Firmware Compatible BIOS is
  available at http://perso.magic.fr/l_indien/OpenHackWare/index.htm.

- video.x is a PowerMac NDRV compatible driver for a VGA frame
  buffer. It comes from the Mac-on-Linux project
  (http://www.maconlinux.org/).

- OpenBIOS (http://www.openbios.org/) is a free (GPL v2) portable
  firmware implementation. The goal is to implement a 100% IEEE
  1275-1994 (referred to as Open Firmware) compliant firmware.
  The included images for Sparc32, Sparc64 and PowerPC (for 32 and 64 bit
  PPC CPUs) are built from OpenBIOS 1.0 release (SVN revision 463).

- The PXE roms come from Rom-o-Matic etherboot 5.4.2.
  pcnet32:pcnet32 -- [0x1022,0x2000]
  ns8390:winbond940 -- [0x1050,0x0940]
  rtl8139:rtl8139 -- [0x10ec,0x8139]
  http://rom-o-matic.net/
