mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-11 14:28:08 +01:00
84 lines
2.3 KiB
ArmAsm
84 lines
2.3 KiB
ArmAsm
|
#------------------------------------------------------------------------------
|
||
|
|
#
|
||
|
|
# Copyright (c) 2009 - 2010, 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:
|
||
|
|
#
|
||
|
|
# MathDivU64x64.S
|
||
|
|
#
|
||
|
|
# Abstract:
|
||
|
|
#
|
||
|
|
# 64-bit Math Worker Function.
|
||
|
|
# Divides a 64-bit unsigned value with a 64-bit unsigned value and returns
|
||
|
|
# a 64-bit unsigned result.
|
||
|
|
#
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
.686:
|
||
|
|
.code:
|
||
|
|
|
||
|
|
ASM_GLOBAL ASM_PFX(__udivdi3), ASM_PFX(DivU64x64Remainder)
|
||
|
|
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
#
|
||
|
|
# void __cdecl __udivdi3 (void)
|
||
|
|
#
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
ASM_PFX(__udivdi3):
|
||
|
|
# Original local stack when calling __udivdi3
|
||
|
|
# -----------------
|
||
|
|
# | |
|
||
|
|
# |---------------|
|
||
|
|
# | |
|
||
|
|
# |-- Divisor --|
|
||
|
|
# | |
|
||
|
|
# |---------------|
|
||
|
|
# | |
|
||
|
|
# |-- Dividend --|
|
||
|
|
# | |
|
||
|
|
# |---------------|
|
||
|
|
# | ReturnAddr** |
|
||
|
|
# ESP---->|---------------|
|
||
|
|
#
|
||
|
|
|
||
|
|
#
|
||
|
|
# Set up the local stack for NULL Reminder pointer
|
||
|
|
#
|
||
|
|
xorl %eax, %eax
|
||
|
|
push %eax
|
||
|
|
|
||
|
|
#
|
||
|
|
# Set up the local stack for Divisor parameter
|
||
|
|
#
|
||
|
|
movl 20(%esp), %eax
|
||
|
|
push %eax
|
||
|
|
movl 20(%esp), %eax
|
||
|
|
push %eax
|
||
|
|
|
||
|
|
#
|
||
|
|
# Set up the local stack for Dividend parameter
|
||
|
|
#
|
||
|
|
movl 20(%esp), %eax
|
||
|
|
push %eax
|
||
|
|
movl 20(%esp), %eax
|
||
|
|
push %eax
|
||
|
|
|
||
|
|
#
|
||
|
|
# Call native DivU64x64Remainder of BaseLib
|
||
|
|
#
|
||
|
|
jmp ASM_PFX(DivU64x64Remainder)
|
||
|
|
|
||
|
|
#
|
||
|
|
# Adjust stack
|
||
|
|
#
|
||
|
|
addl $20, %esp
|
||
|
|
|
||
|
|
ret $16
|