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xen: Limit execution to EL1 only

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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>
This commit is contained in:
Michal Simek
2023-04-18 14:51:56 +02:00
committed by Tom Rini
parent 539486787e
commit b411ba9210
1 changed files with 7 additions and 0 deletions
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7
drivers/xen/hypervisor.c
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@@ -264,8 +264,15 @@ void clear_evtchn(uint32_t port)
int xen_init(void) int xen_init(void)
{ {
int el = current_el();
debug("%s\n", __func__); debug("%s\n", __func__);
if (el != 1) {
puts("XEN:\tnot running from EL1\n");
return 0;
}
map_shared_info(NULL); map_shared_info(NULL);
init_events(); init_events();
init_xenbus(); init_xenbus();