[U-Boot-Users] Re: Why exceptions are enabled before exception vector code is copied

Cedric VINCENT
2005-07-06T08:53:23Z

> No exceptions are supposed to happen until then.

> What do you suggest hoiw such a
> situation should be handled while running from flash?

There is no reason to enable them before exception vector code is
copied. So exceptions should be enabled *after* exception vector code
is copied.

> It does not happen on other systems.

The spurious "Machine Check Excpetion" is well known on Virtex/PPC.
Most Xilinx FPGA boards are affected (tested on Virtex-II Pro and
Virtex 4).

regards, Cedric VINCENT.