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| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-22 03:21:45 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-22 03:21:45 +0000 |
| commit | e1f414b6a7d8a0424e0e01f655b09a4612b4d0e8 (patch) | |
| tree | 32d74f9463f0b5c6a28ff6aff73709219d437604 /MdePkg/Library/BaseLib/Ia32/DivU64x32.asm | |
| parent | e053747a04ad7b8d71c7593b93e1575ba0057a91 (diff) | |
| download | edk2-platforms-e1f414b6a7d8a0424e0e01f655b09a4612b4d0e8.tar.xz | |
Import some basic libraries instances for Mde Packages.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2704 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/DivU64x32.asm')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/DivU64x32.asm | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x32.asm b/MdePkg/Library/BaseLib/Ia32/DivU64x32.asm new file mode 100644 index 0000000000..25ca074ad9 --- /dev/null +++ b/MdePkg/Library/BaseLib/Ia32/DivU64x32.asm @@ -0,0 +1,46 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, 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:
+;
+; DivU64x32.asm
+;
+; Abstract:
+;
+; Calculate the quotient of a 64-bit integer by a 32-bit integer
+;
+;------------------------------------------------------------------------------
+
+ .386
+ .model flat,C
+ .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InternalMathDivU64x32 (
+; IN UINT64 Dividend,
+; IN UINT32 Divisor
+; );
+;------------------------------------------------------------------------------
+InternalMathDivU64x32 PROC
+ mov eax, [esp + 8]
+ mov ecx, [esp + 12]
+ xor edx, edx
+ div ecx
+ push eax ; save quotient on stack
+ mov eax, [esp + 8]
+ div ecx
+ pop edx ; restore high-order dword of the quotient
+ ret
+InternalMathDivU64x32 ENDP
+
+ END
|