[Xen-users] Xen 4.8.3 running on BeagleBoard X-15 - problem with paging

[Iain Hunter <drhunter95@xxxxxxxxx>]

Hi,

I am trying to run xen 4.8.3 on BeagleBoard X-15. When switching the pc to a virtual address (label paging: in head.s) I get an abort. This is seen single stepping.

 

• Xen is build with CONFIG_EARLY_PRINTK=omap5432 ( as it uses same uart as omap5432 and different to dra7xx)
• Uboot is built as standard from https://eewiki.net/display/linuxonarm/BeagleBoard-X15#BeagleBoard-X15-Bootloader:U-Boot. This brings up A15 in hypervisor mode
• Device tree is built with addition of

+        chosen {

+                xen,dom0-bootargs = "console=hvc0,115200n8", "earlyprintk=xen", "debug", "loglevel=debug", "root=/dev/nfs", "nfsroot=192.168.1.231:/home/iain/Desktop/work/bosch/x15-xen/fs/debian-9.3-minimal-armhf-2017-12-09/rootfs,nolock", "rootwait", "fixrtc";

+                xen,xen-bootargs = "sync_console", "console=dtuart", "dtuart=/ocp/serial@48020000";

+                stdout-path = "/ocp/serial@48020000";

+                modules {

+                        #size-cells = <0x00000001>;

+                        #address-cells = <0x00000001>;

+                        module@0 {

+                                reg = <0xa0000000 0x00a00000>;

+                                compatible = "xen,linux-zimage", "xen,multiboot-module";

+                        };

+                };

+        };

 

Has anyone build xen for x-15?

Any tips to debug the virtual addressing?

 

Thanks, Iain

 

Sent from Mail for Windows 10

 

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