EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/ModU64x32.c

   1 /*++
   2
   3 Copyright (c) 2004 - 2006, Intel Corporation. All rights reserved.<BR>
   4 This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12
  13 Module Name:
  14
  15   ModU64x32.c
  16
  17 Abstract:
  18
  19
  20
  21 --*/
  22
  23 #include "BaseLibInternals.h"
  24
  25 UINT32
  26 EFIAPI
  27 InternalMathModU64x32 (
  28   IN      UINT64                    Dividend,
  29   IN      UINT32                    Divisor
  30   )
  31 {
  32   _asm {
  33     mov     eax, dword ptr [Dividend + 4]
  34     mov     ecx, Divisor
  35     xor     edx, edx
  36     div     ecx
  37     mov     eax, dword ptr [Dividend + 0]
  38     div     ecx
  39     mov     eax, edx
  40   }
  41 }