diff options
| author | Michal Simek | 2023-04-18 14:51:56 +0200 |
|---|---|---|
| committer | Tom Rini | 2023-04-25 15:31:28 -0400 |
| commit | b411ba921005f8aa7978dbd1c5fee630c4af298d (patch) | |
| tree | 82a3a620a424ffdfd67c61ac25d138c2fdbe8695 /drivers/xen | |
| parent | 539486787ec8bd9337c497171ff8bd67625a51a9 (diff) | |
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>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/hypervisor.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/xen/hypervisor.c b/drivers/xen/hypervisor.c index 16c7c96c94e..0b2311ba267 100644 --- a/drivers/xen/hypervisor.c +++ b/drivers/xen/hypervisor.c @@ -264,8 +264,15 @@ void clear_evtchn(uint32_t port) 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(); |