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 .386 23 .model flat,C 24 .code 25 26 ;------------------------------------------------------------------------------ 27 ; UINT64 28 ; EFIAPI 29 ; InternalMathDivRemU64x32 ( 30 ; IN UINT64 Dividend, 31 ; IN UINT32 Divisor, 32 ; OUT UINT32 *Remainder 33 ; ); 34 ;------------------------------------------------------------------------------ 35 InternalMathDivRemU64x32 PROC 36 mov ecx, [esp + 12] ; ecx <- divisor 37 mov eax, [esp + 8] ; eax <- dividend[32..63] 38 xor edx, edx 39 div ecx ; eax <- quotient[32..63], edx <- remainder 40 push eax 41 mov eax, [esp + 8] ; eax <- dividend[0..31] 42 div ecx ; eax <- quotient[0..31] 43 mov ecx, [esp + 20] ; ecx <- Remainder 44 jecxz @F ; abandon remainder if Remainder == NULL 45 mov [ecx], edx 46 @@: 47 pop edx ; edx <- quotient[32..63] 48 ret 49 InternalMathDivRemU64x32 ENDP 50 51 END 52
