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Re: [Xen-users] Starting to port xen on beagleboard-x15 (GSoC 2019 project)

On 6/16/19 4:19 PM, Denis Obrezkov wrote:


I was trying to boot xen on bb-x15, here is my starting point:
I built xen with:
make dist-xen debug=y XEN_TARGET_ARCH=arm32
CROSS_COMPILE=arm-linux-gnueabihf- CONFIG_EARLY_PRINTK=omap5432
(omap5432 and omap5729 have the same serial debug address)
and I got the output:

From the log

- CPU 00000001 booting -
- Xen must be entered in NS Hyp mode -
- Please update the bootloader -
- Boot failed

This means that U-boot bring-up secondary CPU in hypervisor mode (probably it is in secure mode or kernel mode). Which U-boot are you using?

I would appreciate any suggestions on how to proceed with this and how
to debug (how to see the call stack).

Call stack is not always useful to have. In this case, this is assembly code. An alternative is to grep the error message and see where it comes from.


Julien Grall

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