openharmony_kernel_liteos_m/kernel/base/misc/los_misc.c

65 lines
2.3 KiB
C
Executable File

/*
* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* 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.
*/
#include "los_base_pri.h"
#include "los_sys_pri.h"
#include "los_task_pri.h"
#include "los_hwi.h"
LITE_OS_SEC_TEXT UINT32 LOS_Align(UINT32 addr, UINT32 boundary)
{
if ((addr + (boundary - 1)) > addr) {
return (addr + (boundary - 1)) & ~(boundary - 1);
} else {
return addr & ~(boundary - 1);
}
}
LITE_OS_SEC_TEXT_MINOR VOID LOS_Msleep(UINT32 mSecs)
{
UINT32 interval;
if (OS_INT_ACTIVE) {
return;
}
if (mSecs == 0) {
interval = 0;
} else {
interval = LOS_MS2Tick(mSecs);
if (interval == 0) {
interval = 1;
}
}
(VOID)LOS_TaskDelay(interval);
}