1#------------------------------------------------------------------------------ 2# 3# Copyright (c) 2006 - 2008, 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.S 15# 16# Abstract: 17# 18# Set error flag for all division functions 19# 20#------------------------------------------------------------------------------ 21 22ASM_GLOBAL ASM_PFX(InternalMathDivRemU64x32) 23 24#------------------------------------------------------------------------------ 25# UINT64 26# EFIAPI 27# InternalMathDivRemU64x32 ( 28# IN UINT64 Dividend, 29# IN UINT32 Divisor, 30# OUT UINT32 *Remainder 31# ); 32#------------------------------------------------------------------------------ 33ASM_PFX(InternalMathDivRemU64x32): 34 movl 12(%esp), %ecx # ecx <- divisor 35 movl 8(%esp), %eax # eax <- dividend[32..63] 36 xorl %edx, %edx 37 divl %ecx # eax <- quotient[32..63], edx <- remainder 38 push %eax 39 movl 8(%esp), %eax # eax <- dividend[0..31] 40 divl %ecx # eax <- quotient[0..31] 41 movl 20(%esp), %ecx # ecx <- Remainder 42 jecxz L1 # abandon remainder if Remainder == NULL 43 movl %edx, (%ecx) 44L1: 45 pop %edx # edx <- quotient[32..63] 46 ret 47