1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 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_percpu_pri.h"
33 #include "los_printf.h"
34
35 #ifdef LOSCFG_KERNEL_SMP
36 Percpu g_percpu[LOSCFG_KERNEL_CORE_NUM];
37
OsAllCpuStatusOutput(VOID)38 VOID OsAllCpuStatusOutput(VOID)
39 {
40 UINT32 i;
41
42 for (i = 0; i < LOSCFG_KERNEL_CORE_NUM; i++) {
43 switch (g_percpu[i].excFlag) {
44 case CPU_RUNNING:
45 PrintExcInfo("cpu%u is running.\n", i);
46 break;
47 case CPU_HALT:
48 PrintExcInfo("cpu%u is halted.\n", i);
49 break;
50 case CPU_EXC:
51 PrintExcInfo("cpu%u is in exc.\n", i);
52 break;
53 default:
54 break;
55 }
56 }
57 PrintExcInfo("The current handling the exception is cpu%u !\n", ArchCurrCpuid());
58 }
59 #endif
60