[okl4-developer] okl4 in qemu emulated gumstix environment

[Geoffrey Lee]

On Tue, Aug 26, 2008 at 06:05:28AM -0400, Ashish Bijlani wrote:
> The latest code doesn't have networking for gumstix. CONFIG_SMC is
> missing in "linux/kernel-2.6.23-v2/l4linux_config_gumstix". Simply
> adding CONFIG_SMC doesn't work in the latest code base.


Generally to avoid missing dependencies and other things it is 
best to edit the configuration file with menuconfig or similar
to modify the Linux configuration.

My feeling is you may find it easier to forward port the bits required
to make the SMC driver work than deal with the limitations 
of using an older OKL4 release.

	-gl

> 
> -Ashish
> 
> On Tue, Aug 26, 2008 at 6:02 AM, Geoffrey Lee <glee at ok-labs.com> wrote:
> > On Tue, Aug 26, 2008 at 05:55:28AM -0400, Ashish Bijlani wrote:
> >> I'm using okl4-1.4.1.1 and it doesn't seem to be having ig_serial
> >> under "linux/kernel/arch/l4/drivers", however it has "l4e_console". Is
> >> this normal? How do I enter KDB before executing /etc/init.d/rc?
> >
> > The serial driver in 1.4.1.1 is quite different to what's in the
> > current release, hence it is normal not to find ig_serial.c.  Best
> > thing you can do is trace the execution path inside your driver.
> >
> > You can manually call L4_KDB_Enter() to enter the debugger.
> >
> > By the way is there any reason you cannot use a newer version of
> > OKL4?
> >
> >
> >        -gl
> >
> >>
> >> Thanks,
> >> Ashish
> >>
> >> On Tue, Aug 26, 2008 at 5:49 AM, Geoffrey Lee <glee at ok-labs.com> wrote:
> >> > On Tue, Aug 26, 2008 at 05:43:51AM -0400, Ashish Bijlani wrote:
> >> >> Thanks for your quick reply. However, I'm using okl4-1.4 and I didn't
> >> >> change anything in it. I get shell using skyeye but no network as
> >> >> skyeye does not emulate smc91x network card. I don't get shell in
> >> >> qemu. The face that it runs fine on skyeye, indicates that ig_serial
> >> >> has been configured properly, isn't it?
> >> >
> >> > Not necessarily, the simulator may sometimes behave differently
> >> > to how the hardware really behaves.  Please have a look around
> >> > the system to see if there are any clues of misbehavior, for
> >> > example, are you actually receiving any interrupts at all when
> >> > you hit a key on the serial?  Is the serial driver initialized
> >> > properly, or if vserial is present on the system at all?  Is there
> >> > any interaction between the vserial and OK Linux?  The KDB should be
> >> > quite helpful here.
> >> >
> >> >
> >> >        -gl
> >> >>
> >> >> -Ashish
> >> >>
> >> >> On Tue, Aug 26, 2008 at 5:39 AM, Geoffrey Lee <glee at ok-labs.com> wrote:
> >> >> > On Tue, Aug 26, 2008 at 05:04:57AM -0400, Ashish Bijlani wrote:
> >> >> >> Hi,
> >> >> >>
> >> >> >> I'm able to boot OKL4 in QEMU emulated gumstix environment. However,
> >> >> >> I'm not able to get "Linux user startup!" and following messages on
> >> >> >> the qemu serial console. Any ideas why?
> >> >> >>
> >> >> >> This is what I did:
> >> >> >>
> >> >> >> cp build/image.boot /tftpboot/.
> >> >> >> ../qemu-gumstix/arm-softmmu/qemu-system-arm -M gumstix -hda
> >> >> >> ../connex-gumstix/flash -net nic -net tap,ifname=qtap0  -m 256
> >> >> >> -monitor null -serial stdio -m 289 -nographic
> >> >> >>
> >> >> >> GUM>
> >> >> >> GUM> setenv ipaddr 10.0.0.231
> >> >> >> GUM> setenv serverip 10.0.0.29
> >> >> >> GUM> tftpboot a2000000 image.boot
> >> >> >> GUM> bootelf a2000000
> >> >> >>
> >> >> >> The OKL4 kernel, wombat, iguana everything is loaded and booted
> >> >> >> properly. However, I don't see any messages after :
> >> >> >>
> >> >> >> NET: Registered protocol family 15
> >> >> >> VFS: Mounted root (ext2 filesystem) readonly.
> >> >> >
> >> >> > This probably means ig_serial.c or the user-level serial driver
> >> >> > in drivers/ is misconfigured.  The kernel bootup messages get
> >> >> > shown via the KDB console, which gets routed to the driver
> >> >> > in the OKL4 kernel.  Once you get to Linux user startup
> >> >> > output gets routed through /dev/ttyS0, which is backed by
> >> >> > ig_serial.
> >> >> >
> >> >> >        -gl
> >> >> >
> >> >> >>
> >> >> >> Am I missing something?
> >> >> >>
> >> >> >> Thanks,
> >> >> >> Ashish
> >> >> >>
> >> >> >> _______________________________________________
> >> >> >> Developer mailing list
> >> >> >> Developer at okl4.org
> >> >> >> https://lists.okl4.org/mailman/listinfo/developer
> >> >> >>
> >> >> >
> >> >> > --
> >> >> >
> >> >> >
> >> >>
> >> >
> >> > --
> >> >
> >> >
> >>
> >
> > --
> >
> >
> 

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