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target/arm: Stop unintentional sign extension in pmu_init

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This was introduced by
    commit bf8d09694c
    target/arm: Don't clear supported PMU events when initializing PMCEID1
and identified by Coverity (CID 1398645).

Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20190219144621.450-1-aaron@os.amperecomputing.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Aaron Lindsay OS 2019-02-21 18:17:45 +00:00 committed by Peter Maydell
parent cff21316c6
commit 67da43d668
1 changed files with 1 additions and 1 deletions
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2
target/arm/helper.c
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@ -1167,7 +1167,7 @@ void pmu_init(ARMCPU *cpu)
if (cnt->supported(&cpu->env)) {
supported_event_map[cnt->number] = i;
uint64_t event_mask = 1 << (cnt->number & 0x1f);
uint64_t event_mask = 1ULL << (cnt->number & 0x1f);
if (cnt->number & 0x20) {
cpu->pmceid1 |= event_mask;
} else {