[Qemu-arm] [PATCH 12/13] target/arm: PMU: Set PMCR.N to 4

[Aaron Lindsay]

This both advertises that we support four counters and adds them to the
implementation because the PMU_NUM_COUNTERS macro reads this value from
the PMCR.

Signed-off-by: Aaron Lindsay <address@hidden>
---
 target/arm/helper.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 5972984..a15b932 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -4936,7 +4936,8 @@ void register_cp_regs_for_features(ARMCPU *cpu)
             .access = PL0_RW, .accessfn = pmreg_access,
             .type = ARM_CP_IO,
             .fieldoffset = offsetof(CPUARMState, cp15.c9_pmcr),
-            .resetvalue = cpu->midr & 0xff000000,
+            /* 4 counters enabled */
+            .resetvalue = (cpu->midr & 0xff000000) | (0x4 << PMCRN_SHIFT),
             .writefn = pmcr_write, .raw_writefn = raw_write,
         };
         define_one_arm_cp_reg(cpu, &pmcr);
-- 
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