audk/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.asm

52 lines
1.5 KiB
NASM

;------------------------------------------------------------------------------
;
; 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:
;
; 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]
mov eax, [esp + 8]
xor edx, edx
div ecx
push eax
mov eax, [esp + 8]
div ecx
mov ecx, [esp + 20]
jecxz @F ; abandon remainder if Remainder == NULL
mov [ecx], edx
@@:
pop edx
ret
InternalMathDivRemU64x32 ENDP
END