1 files changed, 42 insertions, 0 deletions
diff --git a/src/llvm/pmu/arm/arm-events.cpp b/src/llvm/pmu/arm/arm-events.cpp
new file mode 100644
index 0000000..3da7339
--- /dev/null
+++ b/src/llvm/pmu/arm/arm-events.cpp
@@ -0,0 +1,42 @@
+/*
+ *  (C) 2018 by Computer System Laboratory, IIS, Academia Sinica, Taiwan.
+ *      See COPYRIGHT in top-level directory.
+ */
+
+#include "pmu/pmu-global.h"
+
+namespace pmu {
+
+/* ARMv8 recommended implementation defined event types. 
+ * (copied from linux-4.x/arch/arm64/kernel/perf_event.c) */
+#define ICACHE_MISS_CONFIG (0x01)
+#define MEM_LOADS_CONFIG   (0x06)
+#define MEM_STORES_CONFIG  (0x07)
+
+
+extern EventID PreEvents[PMU_EVENT_MAX];  /* Pre-defined events.   */
+
+static void ARMSetupEventCode()
+{
+#define SetupEvent(_Event,_Config)            \
+    PreEvents[_Event].Type   = PERF_TYPE_RAW; \
+    PreEvents[_Event].Config = _Config;
+
+    SetupEvent(PMU_ICACHE_MISSES, ICACHE_MISS_CONFIG);
+    SetupEvent(PMU_MEM_LOADS, MEM_LOADS_CONFIG);
+    SetupEvent(PMU_MEM_STORES, MEM_STORES_CONFIG);
+
+#undef SetEventCode
+}
+
+int ARMInit()
+{
+    ARMSetupEventCode();
+    return PMU_OK;
+}
+
+} /* namespace pmu */
+
+/*
+ * vim: ts=8 sts=4 sw=4 expandtab
+ */