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diff --git a/BaseTools/Source/C/Include/RiscV64/ProcessorBind.h b/BaseTools/Source/C/Include/RiscV64/ProcessorBind.h
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+/** @file
+ Processor or Compiler specific defines and types for RISC-V.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __PROCESSOR_BIND_H__
+#define __PROCESSOR_BIND_H__
+
+//
+// Define the processor type so other code can make processor based choices
+//
+#define MDE_CPU_RISCV64
+
+//
+// Make sure we are using the correct packing rules per EFI specification
+//
+#ifndef __GNUC__
+#pragma pack()
+#endif
+
+//
+// Use ANSI C 2000 stdint.h integer width declarations
+//
+#include <stdint.h>
+typedef uint8_t BOOLEAN;
+typedef int8_t INT8;
+typedef uint8_t UINT8;
+typedef int16_t INT16;
+typedef uint16_t UINT16;
+typedef int32_t INT32;
+typedef uint32_t UINT32;
+typedef int64_t INT64;
+typedef uint64_t UINT64;
+typedef char CHAR8;
+typedef uint16_t CHAR16;
+
+//
+// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,
+// 8 bytes on supported 64-bit processor instructions)
+//
+typedef UINT64 UINTN;
+
+//
+// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
+// 8 bytes on supported 64-bit processor instructions)
+//
+typedef INT64 INTN;
+
+//
+// Processor specific defines
+//
+
+//
+// A value of native width with the highest bit set.
+//
+#define MAX_BIT 0x8000000000000000
+
+//
+// A value of native width with the two highest bits set.
+//
+#define MAX_2_BITS 0xC000000000000000
+
+//
+// The stack alignment required for RISC-V
+//
+#define CPU_STACK_ALIGNMENT 16
+
+//
+// Modifier to ensure that all protocol member functions and EFI intrinsics
+// use the correct C calling convention. All protocol member functions and
+// EFI intrinsics are required to modify their member functions with EFIAPI.
+//
+#define EFIAPI
+
+#if defined(__GNUC__)
+ //
+ // For GNU assembly code, .global or .globl can declare global symbols.
+ // Define this macro to unify the usage.
+ //
+ #define ASM_GLOBAL .globl
+#endif
+
+#endif