1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "los_smp.h"
33 #include "arch_config.h"
34 #include "los_atomic.h"
35 #include "los_task_pri.h"
36 #include "los_init_pri.h"
37 #include "los_process_pri.h"
38 #include "los_sched_pri.h"
39 #include "los_swtmr_pri.h"
40
41 #ifdef LOSCFG_KERNEL_SMP
42 STATIC struct SmpOps *g_smpOps = NULL;
43
OsSmpSecondaryInit(VOID * arg)44 STATIC VOID OsSmpSecondaryInit(VOID *arg)
45 {
46 UNUSED(arg);
47
48 OsCurrTaskSet(OsGetMainTask());
49
50 #ifdef LOSCFG_BASE_CORE_SWTMR_ENABLE
51 OsSwtmrInit();
52 #endif
53
54 OsIdleTaskCreate((UINTPTR)OsGetIdleProcess());
55 OsInitCall(LOS_INIT_LEVEL_KMOD_TASK);
56
57 OsSchedStart();
58 }
59
LOS_SmpOpsSet(struct SmpOps * ops)60 VOID LOS_SmpOpsSet(struct SmpOps *ops)
61 {
62 g_smpOps = ops;
63 }
64
OsSmpInit(VOID)65 VOID OsSmpInit(VOID)
66 {
67 UINT32 cpuNum = 1; /* Start the secondary cpus. */
68
69 if (g_smpOps == NULL) {
70 PRINT_ERR("Must call the interface(LOS_SmpOpsSet) to register smp operations firstly!\n");
71 return;
72 }
73
74 for (; cpuNum < CORE_NUM; cpuNum++) {
75 HalArchCpuOn(cpuNum, OsSmpSecondaryInit, g_smpOps, 0);
76 }
77
78 return;
79 }
80 #endif
81