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; DivError.asm 15; 16; Abstract: 17; 18; Set error flag for all division functions 19; 20;------------------------------------------------------------------------------ 21 22 SECTION .text 23 24;------------------------------------------------------------------------------ 25; UINT64 26; EFIAPI 27; InternalMathDivRemU64x32 ( 28; IN UINT64 Dividend, 29; IN UINT32 Divisor, 30; OUT UINT32 *Remainder 31; ); 32;------------------------------------------------------------------------------ 33global ASM_PFX(InternalMathDivRemU64x32) 34ASM_PFX(InternalMathDivRemU64x32): 35 mov ecx, [esp + 12] ; ecx <- divisor 36 mov eax, [esp + 8] ; eax <- dividend[32..63] 37 xor edx, edx 38 div ecx ; eax <- quotient[32..63], edx <- remainder 39 push eax 40 mov eax, [esp + 8] ; eax <- dividend[0..31] 41 div ecx ; eax <- quotient[0..31] 42 mov ecx, [esp + 20] ; ecx <- Remainder 43 jecxz .0 ; abandon remainder if Remainder == NULL 44 mov [ecx], edx 45.0: 46 pop edx ; edx <- quotient[32..63] 47 ret 48 49