[Qemu-devel] Re: Qemu SH4 status #2

[Kristoffer Ericson <kristoffer.ericson@gmail.com>]

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On Wed, 12 Nov 2008 13:33:13 +0900
yoshii.takashi@gmail.com wrote:

> Hi,
> 
> > I'm still getting segmentation fault at exact same
> > location. Have you made additional patches?
> Please find attached file "qemu081111.diff".
> Basically, this is an aggregate of patches found on qemu-devel ML,
>  with some conflicts against current svn source being resolved,
>  and some small fix are added, which are scheduled to be posted after
>  I finished with my pending patches.
> 
> I post this to share information between qemu and linux/sh people,
>  and hopefully accelerate debugging with linux people's help.
> 

I will give it a try later today. Big thx!

> Another file "linuxconfig_r2d_qemu.diff" is diff for linux kernel
>  configuretion. It changes following parameters from r2d+'s defconfig.
> - Cache -> off (qemu has no cache)
> - commandline change (for debugging)
> - 8139too -> 8139cp (qemu's default is c+, still thinking how to switch)
> - SH SPI -> off (sci emulation is not mature enough to handle it)
> 
> Build procedure is as follows,
> Configure kernel:
>  make ARCH=sh rts7751r2dplus_defconfig
>  patch .config < linuxconfig_r2d_qemu.diff
>  (and build)
> 
> Configure Qemu:
>  ./configure --disable-system --target-list=sh4-softmmu \
>   --disable-linux-user --disable-kqemu
> 
> Execute:
>  sh4-softmmu/qemu-system-sh4 -M r2d --serial vc --serial /dev/tty \
>   --kernel zImage --append "console=tty0 root=/dev/sda" \
>   -usb --usbdevice keyboard --usbdevice mouse disk.img
> 
> I've tested it on qemu svn head this morning.
> You will see penguin logo, and fbcon input/output working.
> For debugging purpose, console=ttySC0,115200 might help.
> /yoshii
> 


-- 
Kristoffer Ericson <kristoffer.ericson@gmail.com>

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