diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/DivU64x32Remainder.asm')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/DivU64x32Remainder.asm | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/DivU64x32Remainder.asm b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/DivU64x32Remainder.asm new file mode 100644 index 0000000000..6a1b0eb608 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/DivU64x32Remainder.asm @@ -0,0 +1,49 @@ +; Copyright (c) 2004, Intel Corporation
+; 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.
+;
+; 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
|