[SeaBIOS] Reducing SeaBIOS kernel entry time

Gerd Hoffmann kraxel at redhat.com
Thu Jul 9 10:45:23 CEST 2015


  Hi,

> The conclusion is that the main bottleneck to boot QEMU is fw_cfg.

https://www.kraxel.org/cgit/qemu/log/?h=rebase/fw-cfg-dma-wip

Some experimental (and untested) bits implementing a dma interface for
fw_cfg (also some unrelated fw_cfg stuff).

You might want try wire that up for x86 and see how it speeds up
things ...

cheers,
  Gerd





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