FAQ. Yes, but it is difficult, unsupported, and fraught with peril. You are on your own if you choose to do it.

gvb

-----Original Message----- From: u-boot-users-admin@lists.sourceforge.net [mailto:u-boot-users-admin@lists.sourceforge.net]On Behalf Of Robert P. J. Day Sent: Thursday, August 26, 2004 3:35 PM To: U-Boot list Subject: [U-Boot-Users] can i load u-boot into RAM and jump to it as a test?

(i posted something similar to this on the SF forum before i realized there was a real mailing list. oops.)

before i commit myself to reflashing with u-boot, i'd like to know if it's possible to just load it into RAM and use the current bootloader to jump to it, just to see the menu come up, nothing more.

working with an 8xx board, 850DE-based, and as a test, i did a configure with RPXlite_config (even though, technically, it's not exactly an RPXlite but close). generated u-boot.bin and used embedded planet's planet core (PC) bootloader to download it into RAM. at this point, am i allowed to just use PC to

...

g <download address> ??

we could do that with PC -- compile a new version, download it to RAM and jump to it, just to see that it seemed to function at the basic level.

thoughts? i've tried it, and every time i use PC to transfer control, i get nothing -- immediate hang. maybe a serial comms problem? who knows?

rday

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