mirror of https://github.com/acidanthera/audk.git
50 lines
1.5 KiB
ArmAsm
50 lines
1.5 KiB
ArmAsm
|
//
|
||
|
|
// Include common header file for this module.
|
||
|
|
//
|
||
|
|
#include "CommonHeader.h"
|
||
|
|
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
#
|
||
|
|
# Copyright (c) 2006, Intel Corporation
|
||
|
|
# All rights reserved. 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:
|
||
|
|
#
|
||
|
|
# MultU64x64.asm
|
||
|
|
#
|
||
|
|
# Abstract:
|
||
|
|
#
|
||
|
|
# Calculate the product of a 64-bit integer and another 64-bit integer
|
||
|
|
#
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
.globl ASM_PFX(InternalMathMultU64x64)
|
||
|
|
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
# UINT64
|
||
|
|
# EFIAPI
|
||
|
|
# InternalMathMultU64x64 (
|
||
|
|
# IN UINT64 Multiplicand,
|
||
|
|
# IN UINT64 Multiplier
|
||
|
|
# );
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
ASM_PFX(InternalMathMultU64x64):
|
||
|
|
push %ebx
|
||
|
|
movl 8(%esp), %ebx
|
||
|
|
movl 16(%esp), %edx
|
||
|
|
movl %ebx, %ecx
|
||
|
|
movl %edx, %eax
|
||
|
|
imull 20(%esp), %ebx
|
||
|
|
imull 12(%esp), %edx
|
||
|
|
addl %edx, %ebx
|
||
|
|
mull %ecx
|
||
|
|
addl %ebx, %edx
|
||
|
|
pop %ebx
|
||
|
|
ret
|