RISC-V/PlatformPkg:Added Bit operation header file

Add bit operated macro,like BIT... Reviewed-by: Sunil V L <[email protected]> Cc: Leif Lindholm <[email protected]> Cc: Michael D Kinney <[email protected]> Cc: Daniel Schaefer <[email protected]> Cc: Ray Ni <[email protected]> Signed-off-by: Yang Wang <[email protected]>
tianocore · Sep 25, 2024 · e57b17b · e57b17b
1 parent f709251
commit e57b17b
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/Platform/RISC-V/PlatformPkg/Include/RiscVBitOp.h b/Platform/RISC-V/PlatformPkg/Include/RiscVBitOp.h
@@ -0,0 +1,15 @@
+/** @file
+ * SPDX-License-Identifier: BSD-2-Clause-Patent
+ *
+ * Copyright (c) 2024, Bosc. All rights reserved.<BR>
+ *
+ */
+
+#ifndef RISCV_BIT_OP_H
+#define RISCV_BIT_OP_H
+
+#define BIT(nr)         (1UL << (nr))
+#define GENMASK(h, l) \
+    (((~0UL) - (1UL << (l)) + 1) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
+
+#endif