Re: [SeaBIOS] [PATCH] Allow rom to grow to 256K.

[H. Peter Anvin]

On 09/25/2010 09:55 AM, Kevin O'Connor wrote:
> Enable rom size to be over 128K.
>
> Apparently, only the first 128K of the rom are mirrored to the
> 0xc0000-0xfffff area under qemu, so make sure to copy the rom (via
> make_bios_writable) in the non-init part of the startup code.  This
> ensure the copy code is itself available.

This is pretty typical... the BIOS is supposed to fit within the
0xe0000..0xfffff area during actual execution.

-hpa