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diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/bsp/install/include/metal/compiler.h b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/bsp/install/include/metal/compiler.h
new file mode 100644
index 000000000..62c0ea975
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/bsp/install/include/metal/compiler.h
@@ -0,0 +1,22 @@
+/* Copyright 2018 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#ifndef METAL__COMPILER_H
+#define METAL__COMPILER_H
+
+#define __METAL_DECLARE_VTABLE(type)                      \
+    extern const struct type type;			  
+
+#define __METAL_DEFINE_VTABLE(type)                       \
+    const struct type type                                
+
+#define __METAL_GET_FIELD(reg, mask)                        \
+    (((reg) & (mask)) / ((mask) & ~((mask) << 1)))
+
+/* Set field with mask for a given value */
+#define __METAL_SET_FIELD(reg, mask, val) \
+        (((reg) & ~(mask)) | (((val) * ((mask) & ~((mask) << 1))) & (mask)))
+
+void _metal_trap(int ecode);
+
+#endif