Re: [Xen-devel] Debugging Xen early boot

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 06/05/16 13:31, Zytaruk, Kelly wrote:
> 
> As for the other question I am still curious as to how to debug
> early Xen. How was __start_xen written and tested, what sort of tools were
> used to debug it and get it working right? What do I do in situations
> where I absolutely can't get serial working properly?

When I was working on the kexec code in Xen I had some success with
using an ICE.  They're not cheap though and no off-the-shelf x86
motherboard has the correct header to connect an ICE...

David

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