/* ----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2020-2021. All rights reserved.
 * Description: Interrupt Operations HeadFile
 * Author: Huawei LiteOS Team
 * Create: 2020-04-18
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * --------------------------------------------------------------------------- */

#ifndef _ARCH_INTERRUPT_H
#define _ARCH_INTERRUPT_H

#include "los_typedef.h"
#include "los_toolchain.h"
#include "arch/cpu.h"

STATIC INLINE UINT32 ArchIntLocked(VOID)
{
    UINT32 intSave;
    __asm__ volatile("csrr %0, mstatus " : "=r"(intSave) : : "memory");

    return !(intSave & LOS_MSTATUS_MIE);
}

extern UINT32 OsIntUnLock(VOID);
extern UINT32 OsIntLock(VOID);
extern VOID OsIntRestore(UINT32 uvIntSave);

#define ArchIntLock() OsIntLock()
#define ArchIntUnlock() OsIntUnLock()
#define ArchIntRestore(intSave) OsIntRestore(intSave)

#endif /* _ARCH_INTERRUPT_H */
