[ECOS] about upgrading redboot image

[Andrew Lunn]

On Wed, Jun 23, 2004 at 02:44:50PM +0800, kneep wrote:
> Dear All,
> 	I run a rom version of redboot. But if I modify the code and build a 
> new redboot image, how could I program it to flash?
> Since the redboot's code segment is in rom, it may overwrite the code 
> segment. The following line is printed:
> 	'Can't program this region - contains code in use!'

Reading the manual is a good place to start.

The short answer is the build a RAM version of redboot. Boot this
using the ROM version and then use it to replace the ROM version.

        Andrew

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