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/*
* Copyright (c) 2013 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/asm.h>
.section .text
FUNCTION_THUMB_ENTRY(_CPU_Context_volatile_clobber)
.macro clobber_register reg
sub r0, r0, #1
mov \reg, r0
.endm
clobber_register r1
clobber_register r2
clobber_register r3
clobber_register r12
bx lr
FUNCTION_END(_CPU_Context_volatile_clobber)
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