Re: [Xen-devel] Problems in running XenARM on Cortex-A15 Fast Models

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2013-09-20 at 14:55 -0400, XiaoGuang Wang wrote:

> The command to run linux like:
> $ model_shell
> ~/ARM/FastModelsPortfolio_8.2/examples/FVP_VE/Build_Cortex-A15x1/Linux64-Release-GCC-4.4/cadi_system_Linux64-Release-GCC-4.4.so
>  -C motherboard.smsc_91c111.enabled=1 -C 
> motherboard.hostbridge.userNetworking=1 -C 
> cluster.cpu0.semihosting-cmd_line="--kernel linux/arch/arm/boot/zImage --dtb 
> vexpress-v2p-ca15-tc1.dtb -- earlyprintk console=ttyAMA0 mem=2048M 
> root=/dev/nfs nfsroot=192.158.1.15:/home/xiaoguang/nfsroot/ rw ip=dhcp" 
> boot-wrapper/linux-system-semi.axf

and this gets you serial console output?

> So I'm wondering if I have to build a boot loader?

Not currently. (although that might change too)

> Or if I have sth. wrong to build a correct xen image?

I think you should be getting at least the earlyprintk stuff, at least
as a starting point.

Can you try doing a full clean (e.g. "git clean -fdx xen") and
rebuilding with 
make dist-xen XEN_TARGET_ARCH=arm32
         CROSS_COMPILE=/usr/bin/arm-linux-gnueabi-
         CONFIG_EARLY_PRINTK=fastmodel
 CONFIG_DTB_FILE=/home/xiaoguang/works/arm/xen/vexpress-v2p-ca15-tc1.dtb

It may be thatthings aren't being rebuilt when these options are
changed.

>         Next step would be to run the model in modeldebugger instead
>         of
>         model_shell and see where it is going wrong.
>         
> I think I have to read the modeldebugger manual first. 

If it doesn't wrk with the full clean and rebuild then this will be the
next step.

Ian.




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