Omap35xxPkg/Library/BeagleBoardSystemLib/GoLittleEndian.asm

   1 //------------------------------------------------------------------------------
   2 //
   3 // Copyright (c) 2008-2009 Apple Inc. All rights reserved.
   4 //
   5 // All rights reserved. This program and the accompanying materials
   6 // are licensed and made available under the terms and conditions of the BSD License
   7 // which accompanies this distribution.  The full text of the license may be found at
   8 // http://opensource.org/licenses/bsd-license.php
   9 //
  10 // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 //
  13 //------------------------------------------------------------------------------
  14
  15   EXPORT  GoLittleEndian
  16   PRESERVE8
  17   AREA    Ebl, CODE, READONLY
  18
  19 // r0 is target address
  20 GoLittleEndian
  21   // Switch to SVC Mode
  22   mov   r2,#0xD3        // SVC mode
  23   msr   CPSR_c,r2       // Switch modes
  24
  25   bx  r0
  26
  27   END