1 files changed, 51 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.asm b/Core/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.asm
new file mode 100644
index 0000000000..30b041763b
--- /dev/null
+++ b/Core/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.asm
@@ -0,0 +1,51 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution.  The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php.
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+;   DivError.asm
+;
+; Abstract:
+;
+;   Set error flag for all division functions
+;
+;------------------------------------------------------------------------------
+
+    .386
+    .model  flat,C
+    .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InternalMathDivRemU64x32 (
+;   IN      UINT64                    Dividend,
+;   IN      UINT32                    Divisor,
+;   OUT     UINT32                    *Remainder
+;   );
+;------------------------------------------------------------------------------
+InternalMathDivRemU64x32    PROC
+    mov     ecx, [esp + 12]         ; ecx <- divisor
+    mov     eax, [esp + 8]          ; eax <- dividend[32..63]
+    xor     edx, edx
+    div     ecx                     ; eax <- quotient[32..63], edx <- remainder
+    push    eax
+    mov     eax, [esp + 8]          ; eax <- dividend[0..31]
+    div     ecx                     ; eax <- quotient[0..31]
+    mov     ecx, [esp + 20]         ; ecx <- Remainder
+    jecxz   @F                      ; abandon remainder if Remainder == NULL
+    mov     [ecx], edx
+@@:
+    pop     edx                     ; edx <- quotient[32..63]
+    ret
+InternalMathDivRemU64x32    ENDP
+
+    END