#------------------------------------------------------------------------------ | |
# | |
# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> | |
# This program and the accompanying materials | |
# are licensed and made available under the terms and conditions of the BSD License | |
# which accompanies this distribution. The full text of the license may be found at | |
# http://opensource.org/licenses/bsd-license.php. | |
# | |
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
# | |
# Module Name: | |
# | |
# DivError.S | |
# | |
# Abstract: | |
# | |
# Set error flag for all division functions | |
# | |
#------------------------------------------------------------------------------ | |
ASM_GLOBAL ASM_PFX(InternalMathDivRemU64x32) | |
#------------------------------------------------------------------------------ | |
# UINT64 | |
# EFIAPI | |
# InternalMathDivRemU64x32 ( | |
# IN UINT64 Dividend, | |
# IN UINT32 Divisor, | |
# OUT UINT32 *Remainder | |
# ); | |
#------------------------------------------------------------------------------ | |
ASM_PFX(InternalMathDivRemU64x32): | |
movl 12(%esp), %ecx # ecx <- divisor | |
movl 8(%esp), %eax # eax <- dividend[32..63] | |
xorl %edx, %edx | |
divl %ecx # eax <- quotient[32..63], edx <- remainder | |
push %eax | |
movl 8(%esp), %eax # eax <- dividend[0..31] | |
divl %ecx # eax <- quotient[0..31] | |
movl 20(%esp), %ecx # ecx <- Remainder | |
jecxz L1 # abandon remainder if Remainder == NULL | |
movl %edx, (%ecx) | |
L1: | |
pop %edx # edx <- quotient[32..63] | |
ret |