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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
master
Peter Maydell 2023-10-30 17:39:58 +00:00
parent c6e1b31bce
commit a6b2c5a04d
1 changed files with 2 additions and 0 deletions
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2
target/arm/cpu.c
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@ -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)) {