[U-Boot] modifying u-boot image to distinguish between primary and secondary

My board has two boot-loaders namely, primary bootloader and secondary bootloader. however the image file name for both the bootloaders are same, u-boot.bin. Now, I want to make a check before loading u-boot to flash whether its a primary bootloader or secondary bootloader. What i thought is, why not to append primary or secondary string after the version in the uboot..bin but I am not sure how it works. Can anyone please give me some Ideas on this.

Thanks and Regards -- Ravi Shekhar ravi.shekhar@lntemsys.com Embedded Systems and Softwares Mobile:-9620793761

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