;------------------------------------------------------------------------------ ; ; Copyright (c) 2006, Intel Corporation. All rights reserved.
; SPDX-License-Identifier: BSD-2-Clause-Patent ; ; Module Name: ; ; DivError.asm ; ; Abstract: ; ; Set error flag for all division functions ; ;------------------------------------------------------------------------------ SECTION .text ;------------------------------------------------------------------------------ ; UINT64 ; EFIAPI ; InternalMathDivRemU64x32 ( ; IN UINT64 Dividend, ; IN UINT32 Divisor, ; OUT UINT32 *Remainder ; ); ;------------------------------------------------------------------------------ global ASM_PFX(InternalMathDivRemU64x32) ASM_PFX(InternalMathDivRemU64x32): mov ecx, [esp + 12] ; ecx <- divisor mov eax, [esp + 8] ; eax <- dividend[32..63] xor edx, edx div ecx ; eax <- quotient[32..63], edx <- remainder push eax mov eax, [esp + 8] ; eax <- dividend[0..31] div ecx ; eax <- quotient[0..31] mov ecx, [esp + 20] ; ecx <- Remainder jecxz .0 ; abandon remainder if Remainder == NULL mov [ecx], edx .0: pop edx ; edx <- quotient[32..63] ret