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/*
// Copyright (c) 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/
#include "tsx.h"
//#include "hle.h"
#include <xmmintrin.h>
void hle_init(void)
{
mutex_val = 0;
}
int hle_lock(void)
{
while (__atomic_exchange_n
(&mutex_val, 1, __ATOMIC_ACQUIRE | __ATOMIC_HLE_ACQUIRE))
_mm_pause();
return TRUE;
}
int hle_release(void)
{
__atomic_store_n(&mutex_val, 0,
__ATOMIC_RELEASE | __ATOMIC_HLE_RELEASE);
return TRUE;
}
int is_hle_locked(void)
{
return (mutex_val == 0) ? FALSE : TRUE;
}
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