Re: [Qemu-devel] [PATCH v5 10/10] hw/arm/dyn_sysbus_devtree: enable simple VFIO dynamic instantiation

[Alexander Graf]

On 19.08.14 16:15, Joel Schopp wrote:
> 
>>> For the index [2*i],[2*i+1], etc is clearly a bug as when i = 1 it will
>>> overwrite two of the values.  Changing that to [4*i],[4*i+1],etc fixes it.
>>>
>>> I think you are right on the size.  I also wonder if the user doesn't
>>> pass in a dtb if qemu should try to recreate the device-tree entry from
>>> the platform device entry in the host kernel?  If so would that best be
>>> done by recreating the values from /proc/device-tree ?
>>>
>>> I also wish that qemu had a flag to output the generated dtb to a file
>>> much like lkvm (kvmtool) has.
>> It does. "qemu-system-foo -machine dumpdtb=mydtb.dtb" should dump the
>> generated dtb into a file called mydtb.dtb.
> 
> Would a patch that adds this output to --help be welcomed?

Not sure -help is the right place for these debugging options. But I
would definitely love to see all -machine options properly documented in
the man page!


Alex