[Tfug] Alan Cox: "I've had enough"--what else is new?

Bowie J. Poag bpoag at comcast.net
Sun Aug 2 01:18:40 MST 2009


> Sigh...
>
> Look, worst case couldn't something look directly at firmware memory
> locations..."old school" style?
>   
Jim... You're missing the boat entirely here.

The EFI layer is the end of the road of inquiry for the kernel. There is 
nothing else beyond, beside it, or behind it to read. The EFI can 
contain actual Apple firmware, or simply contain generic firmware that 
has it's bits tickled in the right places so as to be OS X-friendly. Any 
OS-level or kernel-level inquiry into the low-level details of the box 
has nowhere else to go.

(Interestingly, newer PCs are also increasingly EFI-based. The laptop 
i'm using right now does not have a physical BIOS. It has an Insyde H2O 
EFI with x86 BIOS emulation.)





More information about the tfug mailing list