MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S

   1 //
   2 // Include common header file for this module.
   3 //
   4 #include "CommonHeader.h"
   5
   6 #------------------------------------------------------------------------------
   7 #
   8 # Copyright (c) 2006, Intel Corporation
   9 # All rights reserved. This program and the accompanying materials
  10 # are licensed and made available under the terms and conditions of the BSD License
  11 # which accompanies this distribution.  The full text of the license may be found at
  12 # http://opensource.org/licenses/bsd-license.php
  13 #
  14 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  15 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  16 #
  17 # Module Name:
  18 #
  19 #   DivError.asm
  20 #
  21 # Abstract:
  22 #
  23 #   Set error flag for all division functions
  24 #
  25 #------------------------------------------------------------------------------
  26
  27 .globl ASM_PFX(InternalMathDivRemU64x32)
  28
  29 #------------------------------------------------------------------------------
  30 # UINT64
  31 # EFIAPI
  32 # InternalMathDivRemU64x32 (
  33 #   IN      UINT64                    Dividend,
  34 #   IN      UINT32                    Divisor,
  35 #   OUT     UINT32                    *Remainder
  36 #   );
  37 #------------------------------------------------------------------------------
  38 ASM_PFX(InternalMathDivRemU64x32):
  39     movl    12(%esp), %ecx
  40     movl    8(%esp), %eax
  41     xorl    %edx, %edx
  42     divl    %ecx
  43     push    %eax
  44     movl    8(%esp), %eax
  45     divl    %ecx
  46     movl    20(%esp), %ecx
  47     jecxz   L1
  48     movl    %edx, (%ecx)
  49 L1:
  50     pop     %edx
  51     ret