grub and undi working (was: grub + undi failing to load kernel image)

[leo weppelman]

Since I didn't get a copy from my own mail, I cannot reply :-(

My previous post is in:
http://lists.gnu.org/archive/html/bug-grub/2007-10/msg00003.html

The problem was caused by the A20 gate not being set. After the patch,
the function gateA20_set()
was defined to nothing. It turned out that after undloading, the
undi-stack turned off A20 what caused the
memcopy of the kernel destroying base memory. Replacing this function
by gateA20(1) fixed this.

There was 1 other thing I did modify. In eb_pxenv_undi_isr () I
removed the code dealing with
PXENV_UNDI_ISR_IN_GET_NEXT that was not in the netboot code. Basically
I removed all lines with
the 'hlp' variable.

The undi stack works pretty well now. I could boot a dell optiplex and
a hp rp5700 with it and a few asus
boards.

At first I was trying to create a patch, but since I cannot decide
against what and because the load of
patches that I have already applied in the past 2 or 3 years, which
makes it even harder, I dropped it.

I hope this proves useful to some....

Leo.