[ipxe-devel] suggestion for arch-number

[H. Peter Anvin]

On 07/06/2011 08:48 AM, Michael Brown wrote:
> On Wednesday 06 Jul 2011 16:27:35 Oliver Rath wrote:
>> what about <original number of 32-bit-arch>+64 = Number of arch in 64 Bit?
>>
>> I.e. x86pc = 0 -> x86_64pc = 64 ?
> 
> We can't just unilaterally choose new numbers for that field; it needs to be 
> something generally agreed upon.
> 
> hpa: is there any standard you know of for indicating an x86-64 BIOS system 
> via DHCP options?
> 

Of course there isn't.  x86-BIOS is a single platform across the entire
CPU line.  There are no numbers for x86_64 BIOS PC simply because there
is no such platform -- that the CPU supports LM is orthogonal, just as
much as, say, the CPU supporting SSSE3 or AES-NI.

	-hpa