From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert P. J. Day Date: Wed, 03 Feb 2016 06:16:05 -0500 Subject: [U-Boot] do i have any chance of booting a vxworks 5.5.2 image with u-boot? In-Reply-To: <20160202173648.GE25786@bill-the-cat> References: <20160201172016.10313pmhl2gp8isk@crashcourse.ca> <20160202173648.GE25786@bill-the-cat> Message-ID: <20160203061605.15936k5akefuydc0@crashcourse.ca> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Quoting Tom Rini : > On Mon, Feb 01, 2016 at 05:20:16PM -0500, Robert P. J. Day wrote: > >> i know u-boot has a "bootvx" command for booting vxworks images, >> but from what i read here: >> >> http://stackoverflow.com/questions/24114948/vxworks-portingdm8168 >> >> it's only vxworks 7 that supports u-boot as its bootloader. i know >> precious little about vxworks, i was just handed a version 5.5.2 >> image and asked whether it was possible for u-boot to boot it. >> >> do i have any chance whatsoever? any guidance would be useful. > > Well, I think there's two parts to this answer. The first is that (on > PowerPC), VxWorks has been supported for practically forever. The > second is that as the answers there say, you may have to deal with and > fix some disagreements about what software (U-Boot or VxWorks) did or > did not do what initalization. You may also, frankly, want to start out > with a U-Boot of that vintage, see if that works, and if so (and it'd be > great to see results and patches if needed) if things still work in > mainline today. i'm certainly willing to put in the time to do this -- i have the hardware and the appropriate build environment so give me a day or two to finish something, and i can pretty much concentrate on this and submit any patches that eventually get this to work. rday