Re: [Etherboot-developers] Q: does xstart work?

[<ke...@us...>]

>Staring at the assembly in xstart there is the following code
>snippet:
>	pushl	%eax
>	ADDR32	LJMPI(_execaddr-_start16)
>1:
>...
>_execaddr:
>	.long	0
>
>What I don't get is how this snippet of code successfully jumps
>to an application.  ADDR32 should ljmpi should take a m16:32.
>Where the offset which comes first is 32 bits, and the segment
>that comes after is 16bits.  I just don't see how that works when
>we pass it a m16:16 in execaddr.

_execaddr is filled in with a linear address.