Files
OpenCellular/core/host/atomic.h
Vic Yang 0a45fa1708 Pthread-based emulator for unit testing
This is the first version of pthread-based RTOS emulator. With this, we
will be able to test high-level modules entirely on the host machine.

BUG=chrome-os-partner:19325
TEST='make runtests' and see tests passing.
BRANCH=None

Change-Id: I1f5fcd76aa84bdb46c7d35c5e60ae5d92fd3a319
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/49954
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
2013-05-07 09:09:50 -07:00

38 lines
833 B
C

/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Atomic operations for emulator */
#ifndef __CROS_EC_ATOMIC_H
#define __CROS_EC_ATOMIC_H
#include "common.h"
static inline void atomic_clear(uint32_t *addr, uint32_t bits)
{
__sync_and_and_fetch(addr, ~bits);
}
static inline void atomic_or(uint32_t *addr, uint32_t bits)
{
__sync_or_and_fetch(addr, bits);
}
static inline void atomic_add(uint32_t *addr, uint32_t value)
{
__sync_add_and_fetch(addr, value);
}
static inline void atomic_sub(uint32_t *addr, uint32_t value)
{
__sync_sub_and_fetch(addr, value);
}
static inline uint32_t atomic_read_clear(uint32_t *addr)
{
return __sync_fetch_and_and(addr, 0);
}
#endif /* __CROS_EC_ATOMIC_H */