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-rw-r--r--pkg/sentry/platform/ring0/entry_arm64.s3
1 files changed, 2 insertions, 1 deletions
diff --git a/pkg/sentry/platform/ring0/entry_arm64.s b/pkg/sentry/platform/ring0/entry_arm64.s
index 494baaa4d..38eb4d873 100644
--- a/pkg/sentry/platform/ring0/entry_arm64.s
+++ b/pkg/sentry/platform/ring0/entry_arm64.s
@@ -46,10 +46,11 @@
#define SCTLR_M 1 << 0
#define SCTLR_C 1 << 2
#define SCTLR_I 1 << 12
+#define SCTLR_DZE 1 << 14
#define SCTLR_UCT 1 << 15
#define SCTLR_UCI 1 << 26
-#define SCTLR_EL1_DEFAULT (SCTLR_M | SCTLR_C | SCTLR_I | SCTLR_UCT | SCTLR_UCI)
+#define SCTLR_EL1_DEFAULT (SCTLR_M | SCTLR_C | SCTLR_I | SCTLR_UCT | SCTLR_UCI | SCTLR_DZE)
// cntkctl_el1: counter-timer kernel control register el1.
#define CNTKCTL_EL0PCTEN 1 << 0