Re: MMU-less FreeBSD

2001-12-14 Thread Mike Smith
On Thu, Dec 13, 2001 at 08:35:08PM -0800, Mike Smith wrote: Well, eCos is free-as-in-beer. From a quick glance at the license it looks to be a lot more like the GPL than a BSD license but I'll dig deeper. 'Any Modification which You create or to which You contribute must be

MMU-less FreeBSD

2001-12-13 Thread Steve Price
As a rough order of magnitude how hard would it be to port FreeBSD to an architecture (Motorola Coldfire) that doesn't have an MMU? I see some words on their site that the NetBSD folks might be working on some archs that require this. I got my hands on a board similar to the one in the NetTel

Re: MMU-less FreeBSD

2001-12-13 Thread Warner Losh
In message [EMAIL PROTECTED] Steve Price writes: : As a rough order of magnitude how hard would it be to port : FreeBSD to an architecture (Motorola Coldfire) that doesn't : have an MMU? I see some words on their site that the NetBSD : folks might be working on some archs that require this.

Re: MMU-less FreeBSD

2001-12-13 Thread Steve Price
On Thu, Dec 13, 2001 at 06:19:42PM -0700, Warner Losh wrote: Hard. Lots of stuff relies on mmap, which basiclly requires an MMU or other tricks. The other tricks can be somewhat expensive... That's sort of what I figured. WRS and possible others use BSD as a basis for their embedded OS on

Re: MMU-less FreeBSD

2001-12-13 Thread Mike Smith
Hard. Lots of stuff relies on mmap, which basiclly requires an MMU or other tricks. The other tricks can be somewhat expensive... That's sort of what I figured. WRS and possible others use BSD as a basis for their embedded OS on archs without an MMU, right? No. Many embedded

Re: MMU-less FreeBSD

2001-12-13 Thread Steve Price
On Thu, Dec 13, 2001 at 08:03:51PM -0800, Mike Smith wrote: If you want an OS, consider eCOS or one of the real embedded systems, don't make too much work for yourself trying to take a system that's entirely unsuited to the task and butchering it... In eCOS are you talking about this one?

Re: MMU-less FreeBSD

2001-12-13 Thread Mike Smith
If you want an OS, consider eCOS or one of the real embedded systems, don't make too much work for yourself trying to take a system that's entirely unsuited to the task and butchering it... In eCOS are you talking about this one? http://sources.redhat.com/ecos/ Yes. I'd

Re: MMU-less FreeBSD

2001-12-13 Thread Steve Price
On Thu, Dec 13, 2001 at 08:35:08PM -0800, Mike Smith wrote: Well, eCos is free-as-in-beer. From a quick glance at the license it looks to be a lot more like the GPL than a BSD license but I'll dig deeper. 'Any Modification which You create or to which You contribute must be made

Re: MMU-less FreeBSD

2001-12-13 Thread Warner Losh
In message [EMAIL PROTECTED] Steve Price writes: : On Thu, Dec 13, 2001 at 06:19:42PM -0700, Warner Losh wrote: : : Hard. Lots of stuff relies on mmap, which basiclly requires an MMU or : other tricks. The other tricks can be somewhat expensive... : : That's sort of what I figured. WRS