From 67da43d668320e1bcb0a0195aaf2de4ff2a001a0 Mon Sep 17 00:00:00 2001 From: Aaron Lindsay OS Date: Thu, 21 Feb 2019 18:17:45 +0000 Subject: [PATCH] target/arm: Stop unintentional sign extension in pmu_init This was introduced by commit bf8d09694ccc07487cd73d7562081fdaec3370c8 target/arm: Don't clear supported PMU events when initializing PMCEID1 and identified by Coverity (CID 1398645). Signed-off-by: Aaron Lindsay Reported-by: Peter Maydell Message-id: 20190219144621.450-1-aaron@os.amperecomputing.com Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target/arm/helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index fe054897c7..c2630fa1ea 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -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 { -- 2.42.0