1 files changed, 38 insertions, 5 deletions
diff --git a/MdePkg/Include/Library/CpuLib.h b/MdePkg/Include/Library/CpuLib.h
index 3f29937dc7..27f3f82ab9 100644
--- a/MdePkg/Include/Library/CpuLib.h
+++ b/MdePkg/Include/Library/CpuLib.h
@@ -8,6 +8,7 @@
   As a result, these services could not be defined in the Base Library.
 
 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2024, Loongson Technology Corporation Limited. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -41,14 +42,16 @@ CpuFlushTlb (
   VOID
   );
 
-#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
+#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64) || defined (MDE_CPU_LOONGARCH64)
 
 /**
+  Initialize the CPU floating point units.
+
   Initializes floating point units for requirement of UEFI specification.
-  This function initializes floating-point control word to 0x027F (all exceptions
-  masked,double-precision, round-to-nearest) and multimedia-extensions control word
-  (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
-  for masked underflow).
+  For IA32 and X64, this function initializes floating-point control word to 0x027F
+  (all exceptions masked,double-precision, round-to-nearest) and multimedia-extensions
+  control word (if supported) to 0x1F80 (all exceptions masked, round-to-nearest,
+  flush to zero for masked underflow).
 **/
 VOID
 EFIAPI
@@ -56,6 +59,10 @@ InitializeFloatingPointUnits (
   VOID
   );
 
+#endif
+
+#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
+
 /**
   Determine if the standard CPU signature is "AuthenticAMD".
   @retval TRUE  The CPU signature matches.
@@ -89,4 +96,30 @@ GetCpuSteppingId (
 
 #endif
 
+#if defined (MDE_CPU_LOONGARCH64)
+
+/**
+  Enable the CPU floating point units.
+
+  Enable the CPU floating point units.
+**/
+VOID
+EFIAPI
+EnableFloatingPointUnits (
+  VOID
+  );
+
+/**
+  Disable the CPU floating point units.
+
+  Disable the CPU floating point units.
+**/
+VOID
+EFIAPI
+DisableFloatingPointUnits (
+  VOID
+  );
+
+#endif
+
 #endif