On Di, 2015-07-21 at 18:06 +0200, Marc MarĂ wrote:
It's probably not good to override all the ROM options. Better ways can be discussed.
source code for the option rom doing linux kernel (and multiboot kernel) boot is in pc-bios/optionrom/ (qemu tree). Patching that one to use fw_cfg dma if available should get simliar speedups, but without compatiblity issues.
cheers, Gerd