mirror of https://github.com/acidanthera/audk.git
59 lines
1.4 KiB
NASM
59 lines
1.4 KiB
NASM
//------------------------------------------------------------------------------
|
|
//
|
|
// Copyright (c) 2008 - 2009, Apple Inc. 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.
|
|
//
|
|
//------------------------------------------------------------------------------
|
|
|
|
|
|
EXPORT __aeabi_ldivmod
|
|
EXTERN __aeabi_uldivmod
|
|
|
|
AREA Math, CODE, READONLY
|
|
|
|
;
|
|
;UINT32
|
|
;EFIAPI
|
|
;__aeabi_uidivmode (
|
|
; IN UINT32 Dividen
|
|
; IN UINT32 Divisor
|
|
; );
|
|
;
|
|
|
|
__aeabi_ldivmod
|
|
PUSH {r4,lr}
|
|
ASRS r4,r1,#1
|
|
EOR r4,r4,r3,LSR #1
|
|
BPL L_Test1
|
|
RSBS r0,r0,#0
|
|
RSC r1,r1,#0
|
|
L_Test1
|
|
TST r3,r3
|
|
BPL L_Test2
|
|
RSBS r2,r2,#0
|
|
RSC r3,r3,#0
|
|
L_Test2
|
|
BL __aeabi_uldivmod ;
|
|
TST r4,#0x40000000
|
|
BEQ L_Test3
|
|
RSBS r0,r0,#0
|
|
RSC r1,r1,#0
|
|
L_Test3
|
|
TST r4,#0x80000000
|
|
BEQ L_Exit
|
|
RSBS r2,r2,#0
|
|
RSC r3,r3,#0
|
|
L_Exit
|
|
POP {r4,pc}
|
|
|
|
END
|
|
|
|
|