mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-27 16:58:09 +01:00
90 lines
2.4 KiB
ArmAsm
90 lines
2.4 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:
|
|
#
|
|
# MathReminderU64x64.S
|
|
#
|
|
# Abstract:
|
|
#
|
|
# 64-bit Math Worker Function.
|
|
# Divides a 64-bit unsigned value by another 64-bit unsigned value and returns
|
|
# the 64-bit unsigned remainder
|
|
#
|
|
#------------------------------------------------------------------------------
|
|
|
|
.686:
|
|
.code:
|
|
|
|
ASM_GLOBAL ASM_PFX(__umoddi3), ASM_PFX(DivU64x64Remainder)
|
|
|
|
#------------------------------------------------------------------------------
|
|
#
|
|
# void __cdecl __umoddi3 (void)
|
|
#
|
|
#------------------------------------------------------------------------------
|
|
ASM_PFX(__umoddi3):
|
|
# Original local stack when calling __umoddi3
|
|
# -----------------
|
|
# | |
|
|
# |---------------|
|
|
# | |
|
|
# |-- Divisor --|
|
|
# | |
|
|
# |---------------|
|
|
# | |
|
|
# |-- Dividend --|
|
|
# | |
|
|
# |---------------|
|
|
# | ReturnAddr** |
|
|
# ESP---->|---------------|
|
|
#
|
|
|
|
#
|
|
# Set up the local stack for Reminder pointer
|
|
#
|
|
sub $8, %esp
|
|
push %esp
|
|
|
|
#
|
|
# Set up the local stack for Divisor parameter
|
|
#
|
|
movl 28(%esp), %eax
|
|
push %eax
|
|
movl 28(%esp), %eax
|
|
push %eax
|
|
|
|
#
|
|
# Set up the local stack for Dividend parameter
|
|
#
|
|
movl 28(%esp), %eax
|
|
push %eax
|
|
movl 28(%esp), %eax
|
|
push %eax
|
|
|
|
#
|
|
# Call native DivU64x64Remainder of BaseLib
|
|
#
|
|
jmp ASM_PFX(DivU64x64Remainder)
|
|
|
|
#
|
|
# Put the Reminder in EDX:EAX as return value
|
|
#
|
|
movl 20(%esp), %eax
|
|
movl 24(%esp), %edx
|
|
|
|
#
|
|
# Adjust stack
|
|
#
|
|
add $28, %esp
|
|
|
|
ret $16
|