Xen from Xilinx 2018.3 not recognizing boot arguments

Xen from Xilinx 2018.3 not recognizing boot arguments

[Danux]

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Hi,

When adding altp2m=1 argument to xen,xen-bootargs via DTB, I can see the
parameter passed via xl info:

xen_commandline        : console=dtuart dtuart=serial0 dom0_mem=1G
bootscrub=0 maxcpus=1 timer_slop=0* altp2m=1*

However, I got an error like this at booting phase:

(XEN) parameter "*altp2m*" unknown!

Please shed some light on this.

Thanks.

-- 
DanUx

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Re: Xen from Xilinx 2018.3 not recognizing boot arguments

[Julien Grall]

On 3/25/19 8:54 PM, Danux wrote:
> Hi,

Hello,

> When adding altp2m=1 argument to xen,xen-bootargs via DTB, I can see the 
> parameter passed via xl info:
> 
> xen_commandline        : console=dtuart dtuart=serial0 dom0_mem=1G 
> bootscrub=0 maxcpus=1 timer_slop=0*altp2m=1*
> 
> However, I got an error like this at booting phase:
> 
> (XEN) parameter "*altp2m*" unknown!

Altp2m is not supported on Arm in vanilla Xen. I can't speak for Xilinx 
as AFAIK they don't ship a vanilla Xen.

If you have any issue with Xilinx SDK, then I would recommend to contact 
them directly.

Cheers,

-- 
Julien Grall

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