From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rafal Jaworowski <raj@semihalf.com>
Date: Thu, 07 Aug 2008 17:57:48 +0200
Subject: [U-Boot-Users] bootm support for netbsd question
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Kumar Gala wrote:
> Anyone know why we pass the image_header_t * to the netbsd loader?
> 

*snip*

> this is some pretty tight coupling with u-boot.  Is the stage-2 loader  
> part of u-boot?

I believe this is meant to be NetBSD's last stage bootloader and not any
U-Boot piece. See for example their PREP loader variant:
http://fxr.watson.org/fxr/source/arch/prep/stand/

As I understand it, to boot NetBSD from U-Boot they produce a fat image (the
above stage2 loader + kernel as a multi-image file), which is booted via
bootm, but I never exercised the procedure myself.

Rafal