1;------------------------------------------------------------------------------
2;
3; Copyright (c) 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; Module Name:
13;
14;   DivU64x32.nasm
15;
16; Abstract:
17;
18;   Calculate the quotient of a 64-bit integer by a 32-bit integer
19;
20;------------------------------------------------------------------------------
21
22    SECTION .text
23
24;------------------------------------------------------------------------------
25; UINT64
26; EFIAPI
27; InternalMathDivU64x32 (
28;   IN      UINT64                    Dividend,
29;   IN      UINT32                    Divisor
30;   );
31;------------------------------------------------------------------------------
32global ASM_PFX(InternalMathDivU64x32)
33ASM_PFX(InternalMathDivU64x32):
34    mov     eax, [esp + 8]
35    mov     ecx, [esp + 12]
36    xor     edx, edx
37    div     ecx
38    push    eax                     ; save quotient on stack
39    mov     eax, [esp + 8]
40    div     ecx
41    pop     edx                     ; restore high-order dword of the quotient
42    ret
43
44