Re: [Xen-devel] RT Xen on ARM - R-Car series

[Andrii Anisov <andrii.anisov@xxxxxxxxx>]

Hello Jairo,

On 28.01.19 19:20, LOPEZ, FUENTES NACARINO Jairo Eduardo wrote:

> I was able to compile the Xen image with earlyprintk without issue.
Cool.

> It is comforting to get some sort of feedback from the device, even if it is 
> failing.
Indeed:)

> When attempting to boot the Xen image created I did get print messages but I 
> get the following:
...

I see you have freshly built BL2:

> [    0.120591] NOTICE:  BL2: v1.4(release):15dba6b
> [    0.125081] NOTICE:  BL2: Built : 11:34:26, Jan 21 2019
...
> - UART enabled -
> - CPU 00000000 booting -
> - Current EL 00000004 -
> - Xen must be entered in NS EL2 mode -
But something went wrong, and your BL2 did not start u-boot in EL2. 
Consequently, hypervisor is not started in EL2 and can not do its work.
Please verify you have your ATF built with ` RCAR_BL33_EXECUTION_EL=BL33_EL2` 
as it is stated in the correspondent recipe [1].
You can search for it in <yocto dir>/build/tmp/work/<board 
name>-poky-linux/v1.4+renesas+<revision>/tmp/* .
And if it is compiled with the flag, then take care to reflash all bootloader 
images on your board.

[1] 
https://github.com/xen-troops/meta-demo/blob/master/meta-rcar-gen3-xen/recipes-bsp/arm-trusted-firmware/arm-trusted-firmware_git.bbappend

--
Sincerely,
Andrii Anisov.

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