Re: [Etherboot-developers] [COMMIT] 5.1.2+ boot from disk.

[Michael B. <mb...@fe...>]

On Fri, 30 Aug 2002, Ken Yap wrote:
> >In particular the first 512 bytes were overlapped by an unitialized
> >memory region.
> The convention is the first 512 bytes is the directory and must either
> live inside Etherboot's bss or in the area reserved for it at 0x92200.
> It cannot be not deposited in low memory as the kernel could go there.
> As long as this directory doesn't get overwritten by following segments
> that's ok.

In this case the first 512 bytes was being placed at 0x92200.  One segment
of the NBI file had image from 0x90200 to 0x91600 and BSS from 91600 to
9A000, so the BSS overlapped the 0x92200 region reserved for the
directory.

This was generated with mknbi-1.2.7.

Michael Brown
http://www.fensystems.co.uk