Re: [Qemu-devel] qemu-system-sh4 broken again.

[Shin-ichiro KAWASAKI]

Hello, Aurelian,

Thank you for clarification.  I've understood the situation.
My comment is not the solution for Rob's problem.

Best Regards,
Shin-ichiro KAWASAKI


(2010/05/11 0:48), Aurelien Jarno wrote:
> Shin-ichiro KAWASAKI a écrit :
> > Hello, Rob,
> >
> > This mail might be too late, but I want to report you that I
> > encountered similar trouble.
> >
> > Using the linux kernel after the following commit, the qemu-sh
> > serial console shows no output.
> >
> >     cd5f107628ab89c5dec5ad923f1c27f4cba41972
> >
> > This trouble was discussed in sh-linux ML.
> >
> >     http://marc.info/?l=linux-sh&m=127183863325672&w=2
> >
> > To avoid this,
> >
> >     - add "earlyprintk=sh-sci.1" to kernel command line, and
> >     - modify CONFIG_SERIAL_SH_SCI_NR_UARTS valud from 1 to 2,
> >
> > in kernel configuration menu.
> >
> > I hope that this is the trouble you see.
>
> The main problem here is that QEMU emulates both SCI channels as serial
> port, while the real board has one of the two channel configured as a
> SPI bus (for the RTC clock), and the other as a serial port.