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Re: [Xen-devel] [Patch][2/2][BIOS] Support BCV table

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [Patch][2/2][BIOS] Support BCV table
From: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Date: Fri, 27 Mar 2009 23:22:03 +0900
Cc: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
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>On 27/03/2009 10:31, "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx> wrote:
>
>> I don't try the idea of vendor:dev id, but I made a patch(bcv.v2.patch)
>> adding the feature of retrying to boot with the next drives.
>> What do you think about this patch?
>> This patch doesn't add any new syntax, just add the retry feature.
>> 
>> Also I made another patch(support_interactive_boot_for_bcv.patch).
>> It allows user to select a bootable pass-through device with F12.
>> support_interactive_boot_for_bcv.patch depends on bcv.v2.patch.
>
>Both are plausible. Looking at your previous email, I get the impression
>that the limitations are in rombios, and/or its integration with hvmloader.
>Would the right fix really to make rombios be a bit smarter: being able to
>load and discard option ROMs into 0xc0000-0xe0000 range, for example? Also,
Thanks. Yes, you are right.

>I have the view that parts of rombios's POST routines could get moved into
>hvmloader, even if we keep rombios for its real-mode BIOS service routines,
>after POST. Actually I'd be happy to see hvmloader get a bit fatter at
>rombios's expense! Perhaps this is a possibility for the Xen 3.5 development
>cycle.
OK, I will also improve my patch with your idea of vendor:dev id
for Xen-3.5.

Best Regards,

Akio Takebe


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