Re: [ECOS]standalone eCos & proc frequency

[Jonathan Larmour <jlarmour at redhat dot com>]

Andrea Acquaviva wrote:
> 
> Hi,
> 
> I have a 2 simple question:
> 
> 1. In order to make a standalone eCos program that runs in flash whitout
> gdb,
>     I made the following steps:
>     - I set Startup type to ROM ( CYG_HAL_STARTUP = ROM) in ecos.ecc
>        and recompile eCos;
>     - I linked the program with eCos;
>     - I converted the elf executable in a binary format and download it
> into the flash;
>     but the executable doesn't work at all.
>     Is this the correct procedure?

I take it you've succeeded with a similar process when programming RedBoot
(or GDB stubs) right?
 
> 2. When I use gdb, the processor frequency must always be the same for
> the gdb stub
>     and eCos, right?
> 
> (I use eCos on an Assabet board.)

The GDB stub acts primarily as a loader, and its debugging abilities are
independent of the clock, so I would guess it wouldn't matter that much
actually.

Jifl
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