Eugene Cohen efda177513 ArmPkg: update RVCT assembly functions to use new RVCT_ASM_EXPORT macro
This has the effect of splitting assembly functions into their own sections
so the linker can remove unused ones to save space.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eugene Cohen <eugene@hp.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@gmail.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19109 6f19259b-4bc3-4df7-8a09-765794883524
2015-12-03 20:28:02 +00:00

44 lines
1.1 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.
//
//------------------------------------------------------------------------------
INCLUDE AsmMacroExport.inc
;
;VOID
;EFIAPI
;__aeabi_llsr (
; IN VOID *Destination,
; IN VOID *Source,
; IN UINT32 Size
; );
;
RVCT_ASM_EXPORT __aeabi_llsr
SUBS r3,r2,#0x20
BPL {pc} + 0x18 ; 0x1c
RSB r3,r2,#0x20
LSR r0,r0,r2
ORR r0,r0,r1,LSL r3
LSR r1,r1,r2
BX lr
LSR r0,r1,r3
MOV r1,#0
BX lr
END