From 23d9223ad3b67156b99d828457d0ebd74687cf71 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Mon, 21 Dec 2020 10:08:30 +0100 Subject: bsps/arm: Invalidate TLB in start.S Update #4202. --- bsps/arm/shared/start/start.S | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'bsps/arm/shared/start/start.S') diff --git a/bsps/arm/shared/start/start.S b/bsps/arm/shared/start/start.S index 0a3d4288cd..50bf1d4841 100644 --- a/bsps/arm/shared/start/start.S +++ b/bsps/arm/shared/start/start.S @@ -432,7 +432,16 @@ _start: */ mov r0, #0 mcr p15, 0, r0, c7, c5, 0 + +#if __ARM_ARCH_PROFILE == 'A' + /* + * Invalidate the TLB using ITLBIALL (Instruction TLB Invalidate All). + */ + mov r0, #0 + mcr p15, 0, r0, c8, c7, 0 + isb #endif +#endif /* (__ARM_ARCH >= 7 && __ARM_ARCH_PROFILE == 'A') || __ARM_ARCH >= 8 */ /* * Invoke the start hook 0. -- cgit v1.2.3