1 files changed, 42 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseLib/Ia32/ModU64x32.c b/roms/edk2/MdePkg/Library/BaseLib/Ia32/ModU64x32.c
new file mode 100644
index 000000000..26a19cbd9
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseLib/Ia32/ModU64x32.c
@@ -0,0 +1,42 @@
+/** @file
+  Calculate the remainder of a 64-bit integer by a 32-bit integer
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+
+
+/**
+  Divides a 64-bit unsigned integer by a 32-bit unsigned integer and
+  generates a 32-bit unsigned remainder.
+
+  This function divides the 64-bit unsigned value Dividend by the 32-bit
+  unsigned value Divisor and generates a 32-bit remainder. This function
+  returns the 32-bit unsigned remainder.
+
+  @param  Dividend  A 64-bit unsigned value.
+  @param  Divisor   A 32-bit unsigned value.
+
+  @return Dividend % Divisor
+
+**/
+UINT32
+EFIAPI
+InternalMathModU64x32 (
+  IN      UINT64                    Dividend,
+  IN      UINT32                    Divisor
+  )
+{
+  _asm {
+    mov     eax, dword ptr [Dividend + 4]
+    mov     ecx, Divisor
+    xor     edx, edx
+    div     ecx
+    mov     eax, dword ptr [Dividend + 0]
+    div     ecx
+    mov     eax, edx
+  }
+}