1 files changed, 40 insertions, 0 deletions
diff --git a/roms/opensbi/lib/sbi/sbi_bitmap.c b/roms/opensbi/lib/sbi/sbi_bitmap.c
new file mode 100644
index 000000000..e74b6bbec
--- /dev/null
+++ b/roms/opensbi/lib/sbi/sbi_bitmap.c
@@ -0,0 +1,40 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2020 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ *   Anup Patel <anup.patel@wdc.com>
+ */
+
+#include <sbi/sbi_bitmap.h>
+
+void __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
+		  const unsigned long *bitmap2, int bits)
+{
+	int k;
+	int nr = BITS_TO_LONGS(bits);
+
+	for (k = 0; k < nr; k++)
+		dst[k] = bitmap1[k] & bitmap2[k];
+}
+
+void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
+		 const unsigned long *bitmap2, int bits)
+{
+	int k;
+	int nr = BITS_TO_LONGS(bits);
+
+	for (k = 0; k < nr; k++)
+		dst[k] = bitmap1[k] | bitmap2[k];
+}
+
+void __bitmap_xor(unsigned long *dst, const unsigned long *bitmap1,
+		  const unsigned long *bitmap2, int bits)
+{
+	int k;
+	int nr = BITS_TO_LONGS(bits);
+
+	for (k = 0; k < nr; k++)
+		dst[k] = bitmap1[k] ^ bitmap2[k];
+}