target/arm: Fix bitmask for PMCCFILTR writes

It was shifted to the left one bit too few.

Signed-off-by: Aaron Lindsay <alindsay@codeaurora.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1523997485-1905-10-git-send-email-alindsay@codeaurora.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 81e88f255b2c7a2a4f5e709653b16b5ae8c61dbe..85c289f3b9e79cf4eb7f300c08447a2e4acff0f3 100644 (file)
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1119,7 +1119,7 @@ static void pmccfiltr_write(CPUARMState *env, const ARMCPRegInfo *ri,
                             uint64_t value)
 {
     pmccntr_sync(env);
-    env->cp15.pmccfiltr_el0 = value & 0x7E000000;
+    env->cp15.pmccfiltr_el0 = value & 0xfc000000;
     pmccntr_sync(env);
 }