From 2ae97b27aa385ddb51c234ec31fb4c4869c0088a Mon Sep 17 00:00:00 2001 From: Min Le Date: Sat, 10 Oct 2020 16:38:34 +0800 Subject: [PATCH] arm64: set DZE bit to make EL0 can use DC ZVA Signed-off-by: Min Le --- pkg/sentry/platform/ring0/entry_arm64.s | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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