1 files changed, 73 insertions, 0 deletions
diff --git a/ArmPkg/Include/Library/ArmSmcLib.h b/ArmPkg/Include/Library/ArmSmcLib.h
index f5b45f0..beef017 100644
--- a/ArmPkg/Include/Library/ArmSmcLib.h
+++ b/ArmPkg/Include/Library/ArmSmcLib.h
@@ -1,5 +1,6 @@
 /** @file
 *
+*  Copyright (c) 2021, NUVIA Inc. All rights reserved.<BR>
 *  Copyright (c) 2012-2014, ARM Limited. All rights reserved.
 *
 *  SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -37,4 +38,76 @@ ArmCallSmc (
   IN OUT ARM_SMC_ARGS  *Args
   );
 
+/** Trigger an SMC call with 3 arguments.
+
+  @param Function The SMC function.
+  @param Arg1     Argument/result.
+  @param Arg2     Argument/result.
+  @param Arg3     Argument/result.
+
+  @return The SMC error code.
+
+**/
+UINTN
+ArmCallSmc3 (
+  IN     UINTN  Function,
+  IN OUT UINTN  *Arg1 OPTIONAL,
+  IN OUT UINTN  *Arg2 OPTIONAL,
+  IN OUT UINTN  *Arg3 OPTIONAL
+  );
+
+/** Trigger an SMC call with 2 arguments.
+
+  @param Function The SMC function.
+  @param Arg1     Argument/result.
+  @param Arg2     Argument/result.
+  @param Arg3     Result.
+
+  @return The SMC error code.
+
+**/
+UINTN
+ArmCallSmc2 (
+  IN     UINTN  Function,
+  IN OUT UINTN  *Arg1 OPTIONAL,
+  IN OUT UINTN  *Arg2 OPTIONAL,
+  OUT UINTN     *Arg3 OPTIONAL
+  );
+
+/** Trigger an SMC call with 1 argument.
+
+  @param Function The SMC function.
+  @param Arg1     Argument/result.
+  @param Arg2     Result.
+  @param Arg3     Result.
+
+  @return The SMC error code.
+
+**/
+UINTN
+ArmCallSmc1 (
+  IN     UINTN  Function,
+  IN OUT UINTN  *Arg1 OPTIONAL,
+  OUT UINTN     *Arg2 OPTIONAL,
+  OUT UINTN     *Arg3 OPTIONAL
+  );
+
+/** Trigger an SMC call with 0 arguments.
+
+  @param Function The SMC function.
+  @param Arg1     Result.
+  @param Arg2     Result.
+  @param Arg3     Result.
+
+  @return The SMC error code.
+
+**/
+UINTN
+ArmCallSmc0 (
+  IN     UINTN  Function,
+  OUT UINTN     *Arg1 OPTIONAL,
+  OUT UINTN     *Arg2 OPTIONAL,
+  OUT UINTN     *Arg3 OPTIONAL
+  );
+
 #endif // ARM_SMC_LIB_H_