[U-Boot-Users] uImage wrapper removal?

[Tom Guilliams]

Does anyone know if there's a utility to remove the U-Boot wrapper from 
a uImage  (gzipped kernel, etc)?  I'm creating a single uImage with 
kernel and ramdisk and I need to extract the kernel, replace the ramdisk 
and put it all back together after my Linux kernel has booted.  I 
believe objcopy will allow me to extract the kernel from kernel/ramdisk 
ELF image but that's off-topic.

Just checking to see if there's something already out there of if this 
has been discussed before.

Thanks,

Tom