[U-Boot-Users] Running uC/OS-II on top of u-boot

[M C]

> To: onyxtape at hotmail.com
> CC: u-boot-users at lists.sourceforge.net
> From: wd at denx.de
> Subject: Re: [U-Boot-Users] Running uC/OS-II on top of u-boot
> Date: Mon, 28 Apr 2008 23:34:20 +0200
>
> In message  you wrote:
>>
>> We have a PowerPC 440 EP (from a AMCC Yosemite evaluation kit) and we are in
>> the process of evaluating OSes for it. The industrial strength ones (like
>> vxWorks) are too much feature-wise and money-wise, so we're hoping to try
>> out uC/OS-II.
>
> Why not using a feature-rich, money-efficient solution like Linux? One
> of the big advantages is that you get a running system completely for
> free and out of the box...

The software has to eventually undergo certification, and uC/OS-II should be a smaller codebase to certify than Linux.

>
>> - Can the porting layer of uC/OS-II use some of the u-boot functions for PCI
>> and ethernet access?
>
> It can, if you use the GPL2 based "Open Source Licensing" model of
> uC/OS-II.
>
>> - Are there any existing instructions on how to build (or create a makefile)
>> uC/OS-II using the compilers supplied by the ELDK? I keep getting a failure
>> to "find entry symbol _start", even if I include the gcc libraries,
>> crtbegin.o, etc.
>
> Well, that's starting to be off topic here...
>
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> He'd been wrong, there _was_ a light at the end of the tunnel, and it
> was a flamethrower. - Terry Pratchett, _Mort_

_________________________________________________________________
Back to work after baby–how do you know when you’re ready?
http://lifestyle.msn.com/familyandparenting/articleNW.aspx?cp-documentid=5797498&ocid=T067MSN40A0701A