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 <stdarg.h>
33 #include <stdio.h>
34 #include "task_demo.h"
35 #include "los_task.h"
36 #include "los_interrupt.h"
37 #include "hal_watchdog.h"
38 #include "soc.h"
39
BssClean(VOID)40 VOID BssClean(VOID)
41 {
42 (VOID)memset_s(&_sbss, &_ebss - &_sbss, 0, &_ebss - &_sbss);
43 }
44
main(VOID)45 INT32 main(VOID)
46 {
47 UINT32 ret;
48
49 BssClean();
50 WdtDisable();
51
52 __asm__ __volatile__("mov sp, %0" : : "r"(&__init_stack_e));
53 #ifdef __FPU_PRESENT
54 __asm__ __volatile__("wsr %0, CPENABLE;rsync" : : "r"(1));
55 #endif
56
57 ret = LOS_KernelInit();
58 if (ret != LOS_OK) {
59 printf("LiteOS kernel init failed! ERROR: 0x%x\n", ret);
60 }
61 FileSystemInit();
62
63 ret = LosAppInit();
64 if (ret != LOS_OK) {
65 printf("LosAppInit failed! ERROR: 0x%x\n", ret);
66 }
67
68 LOS_Start();
69
70 return 0;
71 }
72