[U-Boot-Users] ARM exception vectors -- relocating

[Marius Groeger]

On Tue, 6 Jul 2004, Wolfgang Denk wrote:

> In message <20040706102730.B25870 at cucy.com> you wrote:
> >
> > I have a question about relocating the exception vectors for the ARM
> > platform.  I am working with cpu/arm720t/start.S and want to use
> ...
> > Now the exception vectors are sitting in SRAM @ 0x007d0000 and in
> > flash @ 0x0100000 -- if I want to use interrupts, however, the
> > exception vectors need to be in SRAM at address 0x0.
>
> This is one of the areas where the old ARMBoot  code  hits  us  hard.
> They never implemented the relocation correctly.

Interrupts worked fine in ARMboot. Maybe you broke CONFIG_USE_IRQ when
you ripped the code.

Regards,
Marius

-- 
Marius Groeger <mgroeger at sysgo.com>           Project Manager
SYSGO AG                      Embedded and Real-Time Software
Voice: +49 6136 9948 0                  FAX: +49 6136 9948 10
www.sysgo.com | www.elinos.com | www.osek.de | www.imerva.com