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-rw-r--r--OldMdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/OldMdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.c b/OldMdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.c
new file mode 100644
index 0000000000..8f74930618
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.c
@@ -0,0 +1,38 @@
+/** @file
+ Set error flag for all division functions
+
+ Copyright (c) 2006 - 2007, Intel Corporation<BR>
+ All rights reserved. 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.
+
+**/
+
+UINT64
+EFIAPI
+InternalMathDivRemU64x32 (
+ IN UINT64 Dividend,
+ IN UINT32 Divisor,
+ OUT UINT32 *Remainder
+ )
+{
+ _asm {
+ mov ecx, Divisor
+ mov eax, dword ptr [Dividend + 4]
+ xor edx, edx
+ div ecx
+ push eax
+ mov eax, dword ptr [Dividend + 0]
+ div ecx
+ mov ecx, Remainder
+ jecxz RemainderNull // abandon remainder if Remainder == NULL
+ mov [ecx], edx
+RemainderNull:
+ pop edx
+ }
+}
+