target/arm: Mask PMOVSR writes based on supported counters

This is an amendment to my earlier patch:
    commit 7ece99b17e832065236c07a158dfac62619ef99b
    Author: Aaron Lindsay <alindsay@codeaurora.org>
    Date:   Thu Apr 26 11:04:39 2018 +0100

	target/arm: Mask PMU register writes based on PMCR_EL0.N

Signed-off-by: Aaron Lindsay <alindsay@codeaurora.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181010203735.27918-3-aclindsa@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 138a1f15405eb2e59d6690e715ae796b45cf85b8..7a53098888dc0e72613e1c29785e0104f359582d 100644 (file)
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1179,6 +1179,7 @@ static void pmcntenclr_write(CPUARMState *env, const ARMCPRegInfo *ri,
 static void pmovsr_write(CPUARMState *env, const ARMCPRegInfo *ri,
                          uint64_t value)
 {
+    value &= pmu_counter_mask(env);
     env->cp15.c9_pmovsr &= ~value;
 }