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-rw-r--r--include/lib/extensions/amu.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/lib/extensions/amu.h b/include/lib/extensions/amu.h
new file mode 100644
index 000000000..30714643b
--- /dev/null
+++ b/include/lib/extensions/amu.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __AMU_H__
+#define __AMU_H__
+
+#include <platform_def.h>
+#include <stdint.h>
+
+#define AMU_GROUP0_NR_COUNTERS 4
+#define AMU_GROUP0_COUNTERS_MASK 0xf
+
+#ifdef PLAT_AMU_GROUP1_COUNTERS_MASK
+#define AMU_GROUP1_COUNTERS_MASK PLAT_AMU_GROUP1_COUNTERS_MASK
+#else
+#define AMU_GROUP1_COUNTERS_MASK 0
+#endif
+
+#ifdef PLAT_AMU_GROUP1_NR_COUNTERS
+#define AMU_GROUP1_NR_COUNTERS PLAT_AMU_GROUP1_NR_COUNTERS
+#else
+#define AMU_GROUP1_NR_COUNTERS 0
+#endif
+
+#define AMU_GROUP0_MAX_NR_COUNTERS 4
+#define AMU_GROUP1_MAX_NR_COUNTERS 16
+
+int amu_supported(void);
+uint64_t amu_group0_cnt_read(int idx);
+uint64_t amu_group1_cnt_read(int idx);
+
+#endif /* __AMU_H__ */