94 lines
3.6 KiB
C
94 lines
3.6 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LOS_PERCPU_PRI_H
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#define _LOS_PERCPU_PRI_H
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#include "los_base.h"
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#include "los_hw_cpu.h"
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#include "los_spinlock.h"
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#include "los_sortlink_pri.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#if (LOSCFG_KERNEL_SMP == YES)
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typedef enum {
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CPU_RUNNING = 0, /* cpu is running */
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CPU_HALT, /* cpu in the halt */
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CPU_EXC /* cpu in the exc */
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} ExcFlag;
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#endif
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typedef struct {
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SortLinkAttribute taskSortLink; /* task sort link */
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SPIN_LOCK_S taskSortLinkSpin; /* task sort link spin lock */
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SortLinkAttribute swtmrSortLink; /* swtmr sort link */
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SPIN_LOCK_S swtmrSortLinkSpin; /* swtmr sort link spin lock */
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UINT64 responseTime; /* Response time for current nuclear Tick interrupts */
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UINT32 responseID; /* The response ID of the current nuclear TICK interrupt */
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UINTPTR runProcess; /* The address of the process control block pointer to which
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the current kernel is running */
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UINT32 idleTaskID; /* idle task id */
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UINT32 taskLockCnt; /* task lock flag */
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UINT32 swtmrHandlerQueue; /* software timer timeout queue id */
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UINT32 swtmrTaskID; /* software timer task id */
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UINT32 schedFlag; /* pending scheduler flag */
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#if (LOSCFG_KERNEL_SMP == YES)
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UINT32 excFlag; /* cpu halt or exc flag */
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#endif
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} Percpu;
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/* the kernel per-cpu structure */
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extern Percpu g_percpu[LOSCFG_KERNEL_CORE_NUM];
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STATIC INLINE Percpu *OsPercpuGet(VOID)
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{
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return &g_percpu[ArchCurrCpuid()];
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}
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STATIC INLINE Percpu *OsPercpuGetByID(UINT32 cpuid)
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{
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return &g_percpu[cpuid];
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}
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* _LOS_PERCPU_PRI_H */
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