refactor(versal-net): move macros to common header
Move the macros to common header from platform specific folder, so that
the same macros can be re-used in other platforms.
Change-Id: I355b024f5e870c6fc104598bc571dbaa29503ae2
Signed-off-by: Akshay Belsare <akshay.belsare@amd.com>
diff --git a/plat/xilinx/common/include/plat_common.h b/plat/xilinx/common/include/plat_common.h
new file mode 100644
index 0000000..676baa2
--- /dev/null
+++ b/plat/xilinx/common/include/plat_common.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2023, Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* Header file to contain common macros across different platforms */
+#ifndef PLAT_COMMON_H
+#define PLAT_COMMON_H
+
+#define __bf_shf(x) (__builtin_ffsll(x) - 1U)
+#define FIELD_GET(_mask, _reg) \
+ ({ \
+ (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
+ })
+
+#endif /* PLAT_COMMON_H */