[ECOS] strucking up in infinite loop for IXP 425

[Andrew Lunn]

On Tue, Feb 28, 2006 at 02:15:38AM -0800, sumanth wrote:
> 
> Hi, 
> 
>               we are porting  ecos for ixp425 we have flashed the image as
> per the sugessition in the forum but we are running in the infinite loop at
> this point 
> 
> icache_boundary: 
>         // Here is where we switch from boot address (0x000000000) to the 
>         // actual flash runtime address. We align to cache boundary so we 
>         // execute from cache during the switchover. Cachelines are 8 words. 
>         str     r1, [r2, #IXP425_EXP_CNFG0]    // make the EXP bus switch 
>         nop 
>         nop 
>         nop 
>         nop 
>    ----> mov     pc, r0 
>         nop 
> 
>   where the instruction says pc value to load into r0 is at the same
> location and it goes into infinite loop and never stops execution 
>   
>                                   if i change the pc to ignore the step mov
> pc,r0 then the code is allowing single stepping but the instruction is not
> getting effected 
>   
> can any one help out to sort this problem. 

You probably have your memory map wrong in the linker file .mlt.  What
address are you linking the image to run at.

        Andrew

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