From 34669338bd9d66255fceaa84c314251ca49ca8d5 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 25 Jun 2020 20:31:38 -0700 Subject: [PATCH] target/arm: Set PSTATE.TCO on exception entry D1.10 specifies that exception handlers begin with tag checks overridden. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20200626033144.790098-41-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/arm/helper.c b/target/arm/helper.c index 23cf44fcf4..d220612a20 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -9704,6 +9704,9 @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs) break; } } + if (cpu_isar_feature(aa64_mte, cpu)) { + new_mode |= PSTATE_TCO; + } pstate_write(env, PSTATE_DAIF | new_mode); env->aarch64 = 1; -- 2.39.2