Booting Beagleboard Black
Tom Everett
tom at khubla.com
Sun Jul 21 21:42:17 UTC 2013
ls shows:
/
d .snap
.sujournal
and lsdev shows:
disk devices:
disk0 (MMC)
disk0s1: DOS/Windows
disk0s2: FreeBSD
disk0s2a: FreeBSD UFS
net devices:
net0:
I'm doing a fresh checkout of the entire CURRENT source tree, a rebuild of
dev and then a rebuild of the kernel. We'll see what happens.
On Sun, Jul 21, 2013 at 3:32 PM, Tim Kientzle <tim at kientzle.com> wrote:
> On Jul 21, 2013, at 12:27 PM, Tom Everett wrote:
>
> > ok, so I got the serial cable from Adafruit, and I now get this with a
> > crochet-built kernel. Is this perhaps a bug in crochet?
>
> Possible, though I just this morning I built and booted
> a BeagleBone Black system using Crochet. I believe the
> Crochet I'm using here has no changes from what's on github.
>
> My build system is -CURRENT that I rebuilt from source a few days
> ago, and I only have one local patch to the -CURRENT sources
> I'm using to build the BeagleBone Black image (details below).
> For reference, here is my "beagleblack.sh" configuration:
>
> board_setup BeagleBone
> option ImageSize 900mb
> FREEBSD_SRC=${TOPDIR}/src
> FREEBSD_WORLD_EXTRA_ARGS="-DWITH_ARM_EABI -DNOCLEAN"
> FREEBSD_KERNEL_EXTRA_ARGS="-DKERNFAST"
> FREEBSD_FORCE_BUILDKERNEL=y
>
> I don't think any of the last four items here are necessary
> (in particular WITH_ARM_EABI is now the default; I just
> haven't removed it from my local config yet).
>
> I then used
>
> $ sudo ./crochet -c beagleblack.sh
>
> to build the image.
>
> > U-Boot SPL 2013.04 (Jul 11 2013 - 21:49:14)
> > OMAP SD/MMC: 0
> > reading bb-uboot.img
> > reading bb-uboot.img
> >
> >
> > U-Boot 2013.04 (Jul 11 2013 - 21:49:14)
>
> So MLO and BB-uboot.img are there and working
> correctly.
>
> > FreeBSD/armv6 U-Boot loader, Revision 1.2
> > (root at bernice, Sat Jul 20 20:59:18 MDT 2013)
> > DRAM: 512MB
>
> And U-Boot is correctly loading bbubldr.
>
> > Device: disk
> > |
> > can't load 'kernel'
> >
> > Type '?' for a list of commands, 'help' for more detailed help.
> > loader>
>
> What does "ls" here show?
>
> Sounds like the kernel didn't get installed for some reason.
> You should be able to look at the UFS partition from
> the loader> prompt and figure out what's missing.
>
> Tim
>
> P.S. My only local change right now is a fix for the
> 'panic: lock "vm map (user)" already initialized' bug that
> has been plaguing armv6 for a while:
>
> Index: sys/vm/vm_map.c
> ===================================================================
> --- sys/vm/vm_map.c (revision 253514)
> +++ sys/vm/vm_map.c (working copy)
> @@ -239,8 +239,7 @@
> vm_map_t map;
>
> map = (vm_map_t)mem;
> - map->nentries = 0;
> - map->size = 0;
> + memset(map, 0, sizeof(*map));
> mtx_init(&map->system_mtx, "vm map (system)", NULL, MTX_DEF |
> MTX_DUPOK);
> sx_init(&map->lock, "vm map (user)");
> return (0);
>
>
>
>
>
--
A better world shall emerge based on faith and understanding - Douglas
MacArthur
More information about the freebsd-arm
mailing list