[U-Boot] Uboot booting RTOS

[rahanesh at tataelxsi.co.in]

Hi All,
 
I am trying to boot a RTOS from uboot. I have the uboot flashed in NAND
Flash.
 
When i power on the board(OMAP3530 based from Mistral) uboot prompt comes
up. Now how do i boot an RTOS which is also residing in NAND Flash at
different offset.?
 
Can i acheive this without changing the source code of current Uboot. ? ie
Can i acheive this by setting certain environment variables?
 
The format of  RTOS which i am trying to port is not similar to Linux. It is
Just an executable(OS and application compiled and built together to form an
executable).
 
I am newbie to uboot. Please help me on this
 
Thanks,
Rahanesh
 

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