audk/BeagleBoardPkg/Library/BeagleBoardSystemLib/GoLittleEndian.asm

28 lines
906 B
NASM

//------------------------------------------------------------------------------
//
// Copyright (c) 2008-2009 Apple Inc. All rights reserved.
//
// 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.
//
//------------------------------------------------------------------------------
EXPORT GoLittleEndian
PRESERVE8
AREA Ebl, CODE, READONLY
// r0 is target address
GoLittleEndian
// Switch to SVC Mode
mov r2,#0xD3 // SVC mode
msr CPSR_c,r2 // Switch modes
bx r0
END