Leon2 RAM configuration

[Arquer Stephane]

Hello,

Sorry for my late answer,
This is not the same behaviour with rtems 4.7.1, the RAM size is correctly found.
Is there something different in the boot between these version  ?

Thanks.

sa


> -----Message d'origine-----
> De : Thomas Doerfler [mailto:Thomas.Doerfler at imd-systems.de] 
> Envoyé : mercredi 16 avril 2008 13:16
> À : Arquer Stephane
> Cc : rtems-users at rtems.com
> Objet : Re: Leon2 RAM configuration
> 
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hi,
> 
> if I remember right, the LEON BSP startup function assumes, 
> that the stack pointer points to top of the usable RAM when 
> it is called from the boot monitor.
> 
> It should be worth a try :-)

What do you mean ?


> 
> wkr,
> Thomas.
> 
> 
> Arquer Stephane schrieb:
> | Hi,
> |
> | I work with rtems 4.8.0 and bsp leon2.
> | I use Redboot to load rtems application on the target.
> | When I load a bin file with Redboot, I don't have all the 
> SRAM size = 
> | 8 MB available. Otherwise, when I load the same application with 
> | GRMON, there is no problem.
> |
> | MCFG2 register is configured with the correct amount of SRAM: 
> | 0xB0801460
> |
> | Does anyone knows if there is another leon2 register used by Rtems 
> | during the initialization to calculate the heap space ?
> |
>