"H. Peter Anvin" <[email protected]> writes:
> Huang, Ying wrote:
>>
>> One question:
>>
>> The boot_params.efi_info.efi_systab is defined as u32. But it should be
>> u64 on x86_64, because it comes from firmware and is not controlled by
>> bootloader. But, changing it from u32 to u64 will break current i386 EFI
>> support, should we change it and fix the i386 EFI bootloader?
>>
>
> The other option is to have a union of a 32-bit and a 64-bit structure.
> I personally don't care, as long as it's consistent, but I think you
> need to deal with the people working on EFI currently about that...
It sounds like the 64bit EFI is currently binary incompatible with
the 32bit EFI.
Eric
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