105 lines
3.1 KiB
C
105 lines
3.1 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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#include "smp.h"
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#include "arch_config.h"
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#include "los_base.h"
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#include "los_hw.h"
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#include "los_atomic.h"
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#include "los_arch_mmu.h"
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#include "gic_common.h"
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#include "los_task_pri.h"
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#ifdef LOSCFG_KERNEL_SMP
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extern VOID reset_vector(VOID);
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struct OsCpuInit {
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ArchCpuStartFunc cpuStart;
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VOID *arg;
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Atomic initFlag;
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};
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STATIC struct OsCpuInit g_cpuInit[CORE_NUM - 1] = {0};
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VOID HalArchCpuOn(UINT32 cpuNum, ArchCpuStartFunc func, struct SmpOps *ops, VOID *arg)
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{
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struct OsCpuInit *cpuInit = &g_cpuInit[cpuNum - 1];
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UINTPTR startEntry = (UINTPTR)&reset_vector - KERNEL_VMM_BASE + SYS_MEM_BASE;
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INT32 ret = 0;
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cpuInit->cpuStart = func;
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cpuInit->arg = arg;
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cpuInit->initFlag = 0;
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DCacheFlushRange((UINTPTR)cpuInit, (UINTPTR)cpuInit + sizeof(struct OsCpuInit));
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LOS_ASSERT(ops != NULL);
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ret = ops->SmpCpuOn(cpuNum, startEntry);
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if (ret < 0) {
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PRINT_ERR("cpu start failed, cpu num: %u, ret: %d\n", cpuNum, ret);
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return;
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}
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while (!LOS_AtomicRead(&cpuInit->initFlag)) {
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WFE;
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}
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}
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VOID HalSecondaryCpuStart(VOID)
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{
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UINT32 cpuid = ArchCurrCpuid();
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struct OsCpuInit *cpuInit = &g_cpuInit[cpuid - 1];
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OsCurrTaskSet(OsGetMainTask());
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LOS_AtomicSet(&cpuInit->initFlag, 1);
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SEV;
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#ifdef LOSCFG_KERNEL_MMU
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OsArchMmuInitPerCPU();
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#endif
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/* store each core's hwid */
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CPU_MAP_SET(cpuid, OsHwIDGet());
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HalIrqInitPercpu();
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cpuInit->cpuStart(cpuInit->arg);
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while (1) {
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WFI;
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}
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}
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#endif
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