[U-Boot-Users] [PATCH] Make MPC83xx one step closer to full relocation.

Joakim Tjernlund
2008-04-08T21:51:15Z

> -----Original Message-----
> From: wd at denx.de [mailto:wd at denx.de]
> Sent: den 8 april 2008 23:09
> To: Joakim Tjernlund
> Cc: 'Stefan Roese'; u-boot-users at lists.sourceforge.net; 'Kim Phillips'
> Subject: Re: [U-Boot-Users] [PATCH] Make MPC83xx one step closer to full relocation.
>
> In message <044901c899ba$83532450$89f96cf0$@Tjernlund@transmode.se> you wrote:
> >
> > > > .text :
> > > > {
> > > > + _monitor_base = . ;
> > >
> > > There is no guarantee that this is the same as the start address of
> > > .text
> > >
> >
> > I am no link script expert, but I cannot see why that would not be the start
> > of the .text segment?
>
> There might be other segments at the start of the image...
>
> See for example cpu/mpc8xx/start.S - while at the moment we really
> start with .text, it would technically be more approrpriate to change
> the first 256 bytes (from monitor base to EXC_OFF_SYS_RESET) into
> .rodata or something like this.

Ahh, now I see what you mean and it gave me an idea ...

>
> > Anyhow, we can go with the other solution instead, define the symbol in start.S
> > instead, if one is needed.
>
> If it cannot be avoided ;-)

... Stefan, maybe you can #define EXC_OFF_SYS_RESET for 405 to something that
fits with my relocation patch?

Jocke