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: > >=20 > >=20 > > On Wed, 2017-09-20 at 21:23 -0600, Warner Losh wrote: > > >=20 > > > On Wed, Sep 20, 2017 at 9:16 PM, Warner Losh <imp@bsdimp.com> > > > wrote: > > >=20 > > > >=20 > > > > On Wed, Sep 20, 2017 at 8:50 PM, Jon Brawn <jon@brawn.org> > > > > wrote: > > > >=20 > > > > >=20 > > > > >=20 > > > > > Wotcha! > > > > >=20 > > > > > <chomp> > > > > > So, what does FreeBSD have to offer in the way of ramdisk > > > > > functionality? > > > > >=20 > > > > Yes. > > > >=20 > > > > See MD_ROOT and friends. > > > >=20 > > > The MFS_IMAGE kernel option has replaced this. > > >=20 > > > Warner > > And the documentation (such as it is) for MFS_IMAGE is in the md(4) > > manpage.=A0=A0In a nutshell, it's a mechanism that lets you compile a= n > > existing filesystem image directly into the kernel and it is > > mounted as > > a memory filesystem at boot time.=A0=A0Hopefully being contained with= in > > the > > kernel will make the problem of loading it at a fixed physical > > address > > go away for you. > >=20 > > -- Ian > >=20 > I really need to bring more of my work problems to this list, > obviously. Thanks folks! >=20 > 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. =A0Don'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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