genode/repos/ports-foc/src/lib/l4lx/l4_util_atomic.cc

31 lines
591 B
C++

/*
* \brief L4Re functions needed by L4Linux.
* \author Stefan Kalkowski
* \date 2012-08-31
*/
/*
* Copyright (C) 2012-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#include <cpu/atomic.h>
namespace Fiasco {
#include <l4/util/atomic.h>
}
using namespace Fiasco;
extern "C" {
int l4util_cmpxchg(volatile l4_umword_t * dest,
l4_umword_t cmp_val, l4_umword_t new_val)
{
return Genode::cmpxchg((volatile int*)dest, cmp_val, new_val);
}
}