ArmPkg: update RVCT assembly functions to use new RVCT_ASM_EXPORT macro

[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / Arm / llsr.asm

//------------------------------------------------------------------------------\r
//\r
// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
//\r
// This program and the accompanying materials\r
// are licensed and made available under the terms and conditions of the BSD License\r
// which accompanies this distribution.  The full text of the license may be found at\r
// http://opensource.org/licenses/bsd-license.php\r
//\r
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
//\r
//------------------------------------------------------------------------------\r
\r
\r
\r
    INCLUDE AsmMacroExport.inc\r
\r
;\r
;VOID\r
;EFIAPI\r
;__aeabi_llsr (\r
; IN  VOID    *Destination,\r
; IN  VOID    *Source,\r
; IN  UINT32  Size\r
; );\r
;\r
 RVCT_ASM_EXPORT __aeabi_llsr\r
    SUBS     r3,r2,#0x20\r
    BPL      {pc} + 0x18  ; 0x1c\r
    RSB      r3,r2,#0x20\r
    LSR      r0,r0,r2\r
    ORR      r0,r0,r1,LSL r3\r
    LSR      r1,r1,r2\r
    BX       lr\r
    LSR      r0,r1,r3\r
    MOV      r1,#0\r
    BX       lr\r
\r
    END\r
\r
\r
\r