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target/arm: Mask PMOVSR writes based on supported counters 

This is an amendment to my earlier patch:
    commit 7ece99b17e
    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>
This commit is contained in:
Aaron Lindsay 2018-10-10 16:37:23 -04:00 committed by Peter Maydell
parent fc5f6856a0
commit 599b71e277
1 changed files with 1 additions and 0 deletions
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target/arm/helper.c
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@ -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;
}