From: Peter Maydell <peter.maydell@linaro.org>
Date: Mon, 30 Oct 2023 17:39:58 +0000 (+0000)
Subject: target/arm: Enable FEAT_MOPS insns in user-mode emulation
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=a6b2c5a04ddae291417d5bfffaa25b13a7d8cd10;p=qmiga%2Fqemu.git

target/arm: Enable FEAT_MOPS insns in user-mode emulation

In user-mode emulation, we need to set the SCTLR_EL1.MSCEn
bit to avoid all the FEAT_MOPS insns UNDEFing.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20231030174000.3792225-2-peter.maydell@linaro.org
---

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 954328d72a..df6496b019 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -296,6 +296,8 @@ static void arm_cpu_reset_hold(Object *obj)
         env->cp15.sctlr_el[1] |= SCTLR_TSCXT;
         /* Disable access to Debug Communication Channel (DCC). */
         env->cp15.mdscr_el1 |= 1 << 12;
+        /* Enable FEAT_MOPS */
+        env->cp15.sctlr_el[1] |= SCTLR_MSCEN;
 #else
         /* Reset into the highest available EL */
         if (arm_feature(env, ARM_FEATURE_EL3)) {