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85 lines
2.8 KiB
85 lines
2.8 KiB
/*
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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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#include "los_smp.h"
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#include "arch_config.h"
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#include "los_atomic.h"
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#include "los_task_pri.h"
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#include "los_init_pri.h"
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#include "los_process_pri.h"
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#include "los_sched_pri.h"
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#include "los_swtmr_pri.h"
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#ifdef LOSCFG_KERNEL_SMP
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STATIC struct SmpOps *g_smpOps = NULL;
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/// 多核中次级CPU核初始化,每个核都会调用一次
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STATIC VOID OsSmpSecondaryInit(VOID *arg)
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{
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UNUSED(arg);
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OsInitCall(LOS_INIT_LEVEL_PLATFORM);
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OsCurrProcessSet(OS_PCB_FROM_PID(OsGetKernelInitProcessID()));
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OsInitCall(LOS_INIT_LEVEL_KMOD_BASIC);
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#ifdef LOSCFG_BASE_CORE_SWTMR_ENABLE
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OsSwtmrInit();
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#endif
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OsInitCall(LOS_INIT_LEVEL_KMOD_EXTENDED);
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OsIdleTaskCreate();
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OsInitCall(LOS_INIT_LEVEL_KMOD_TASK);
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OsSchedStart();
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}
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/// 设置多核操作接口, 通过外部注册
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VOID LOS_SmpOpsSet(struct SmpOps *ops)
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{
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g_smpOps = ops;
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}
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VOID OsSmpInit(VOID)
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{
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UINT32 cpuNum = 1; /* Start the secondary cpus. */
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if (g_smpOps == NULL) {
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PRINT_ERR("Must call the interface(LOS_SmpOpsSet) to register smp operations firstly!\n");
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return;
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}
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for (; cpuNum < CORE_NUM; cpuNum++) {
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HalArchCpuOn(cpuNum, OsSmpSecondaryInit, g_smpOps, 0);
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}
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return;
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}
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#endif
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