Re: [Xen-devel] Re: [PATCH] [RFC] Moving the e820 table creation

[Stefan Berger <stefanb@xxxxxxxxxx>]

Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote
on 11/07/2006 06:53:05 AM:

> 
> 
> 
> On 7/11/06 11:49, "Stefan Berger" <stefanb@xxxxxxxxxx>
wrote:

> In preparation for supporting this spec 
> 
> https://www.trustedcomputinggroup.
> org/groups/server/TCG_ACPIGeneralSpecification_1-00_1-00_FINAL.pdf
> 
> where I plan on dyanmically reserving 64kb of room for ACPI data in
> the RAM region > 0x100 000 (starting from the end of that memory
> chunk) if probing for the device succeeds. A function for allocating
> memory from e820 is not there, yet. 
> 
> Oh I see. Well, maybe hvm builder should create the basic e820 map,
> and hvmloader can add to it. 

The libxc hvm builder should really also include the
file hvmloader/acpi/acpi2_0.h to get the constants for where the ACPI data
will be copied into and the size of the ACPI data block. All this can be
done in hvmloader as well.

   Stefan

> 
>  -- Keir
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