Date: Wed, 20 Sep 2017 21:50:48 -0600 From: Ian Lepore <ian@freebsd.org> To: Jon Brawn <jon@brawn.org> Cc: FreeBSD Current <current@freebsd.org>, Warner Losh <imp@bsdimp.com> Subject: Re: Pre-filled RAM disk. Message-ID: <1505965848.73082.69.camel@freebsd.org> In-Reply-To: <7CD79E48-F62E-46CC-896F-A9C87047B85D@brawn.org> References: <AEDBF95D-5D91-41A0-AEFF-56840FAB755C@brawn.org> <CANCZdfqGk6euOtHrBjvd=L%2BC5uaEeYomcW1xEJwYDadzjW6G6A@mail.gmail.com> <CANCZdfrV5NaoOTTGUaXwaDXeoCcmjR3L1b9MnA6QF=__RUZanA@mail.gmail.com> <1505964913.73082.65.camel@freebsd.org> <7CD79E48-F62E-46CC-896F-A9C87047B85D@brawn.org>
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On Wed, 2017-09-20 at 22:47 -0500, Jon Brawn wrote: > On Sep 20, 2017, at 10:35 PM, Ian Lepore <ian@freebsd.org> wrote: > > > > > > On Wed, 2017-09-20 at 21:23 -0600, Warner Losh wrote: > > > > > > On Wed, Sep 20, 2017 at 9:16 PM, Warner Losh <imp@bsdimp.com> > > > wrote: > > > > > > > > > > > On Wed, Sep 20, 2017 at 8:50 PM, Jon Brawn <jon@brawn.org> > > > > wrote: > > > > > > > > > > > > > > > > > > > Wotcha! > > > > > > > > > > <chomp> > > > > > So, what does FreeBSD have to offer in the way of ramdisk > > > > > functionality? > > > > > > > > > Yes. > > > > > > > > See MD_ROOT and friends. > > > > > > > The MFS_IMAGE kernel option has replaced this. > > > > > > Warner > > And the documentation (such as it is) for MFS_IMAGE is in the md(4) > > manpage. In a nutshell, it's a mechanism that lets you compile an > > existing filesystem image directly into the kernel and it is > > mounted as > > a memory filesystem at boot time. Hopefully being contained within > > the > > kernel will make the problem of loading it at a fixed physical > > address > > go away for you. > > > > -- Ian > > > I really need to bring more of my work problems to this list, > obviously. Thanks folks! > > Jon. > _______________________________________________ Another good place for help with freebsd on arm is the #bsdmips channel on efnet, if you're an irc-using kind of person. Don't let the 'mips' in the name throw you, it's the channel where the arm, powerpc, and mips developers hang out. Oh, and of course, there is also the freebsd-arm@ mailing list. -- Ian
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