xen: Limit execution to EL1 only
Xen core_init() is calling HVC which should be called from EL1 level that's
why do Xen initialization only when U-Boot runs in EL1.
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/drivers/xen/hypervisor.c b/drivers/xen/hypervisor.c
index 16c7c96..0b2311b 100644
--- a/drivers/xen/hypervisor.c
+++ b/drivers/xen/hypervisor.c
@@ -264,8 +264,15 @@
int xen_init(void)
{
+ int el = current_el();
+
debug("%s\n", __func__);
+ if (el != 1) {
+ puts("XEN:\tnot running from EL1\n");
+ return 0;
+ }
+
map_shared_info(NULL);
init_events();
init_xenbus();