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Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios

From: H. Peter Anvin
Subject: Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios
Date: Tue, 12 Oct 2010 10:45:58 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100921 Fedora/3.1.4-1.fc13 Thunderbird/3.1.4

On 10/12/2010 10:41 AM, Gleb Natapov wrote:
> On Tue, Oct 12, 2010 at 10:35:51AM -0700, H. Peter Anvin wrote:
>> On real hardware it is shared between BIOS and the OS, actually.
> Guest OS can write in qemu CMOS too. But what is it useful for? Most of
> its content is not standard AFAIK.

This is true to some extent -- there is some standard content, and some
further can be described via ACPI tables.  However, my point was mostly
that it is an existing model for nonvolatile storage which also works on
hardware (and is vastly simpler albeit smaller in size than ESCD).


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