[SeaBIOS] [PATCH] SeaBIOS/Xen: Compute the low RAM memory size in the BDA according to the e820

[Rudolf Marek]

> Unfortunately, there aren't very many places to put a hardcoded
> address.  The safest thing is probably to dynamically generate an SSDT
> with a pointer - then the DSDT can use the pointer instead of a
> hardcoded address.  This is more work, however.

You can even create an "OEM" ACPI table, with std ACPI header, but with custom 
data inside. OS will ignore it and as bonus you will have it with checksum.

Thanks
Rudolf