It seems to me like writing the BIOS in user space instead of guest space
would be a big win -- we'd have the BIOS's page be execute-protected, and
have the monitor send a message off to the userspace program to let it do
the whole operation in one go. I think this would be a huge win, not only
because the code would execute much faster because we don't have to prescan,
but also because we can use higher-level APIs.
The big questions I have in my other email, then, are the ones in the last
few paragraphs: is there an API for execute-in-userspace? Is there an API
to get the data for the rotuine out of the VM and into the real machine?
-=- James Mastros
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