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 "stdio.h"
33 #include "soc.h"
34 #include "los_task.h"
35 #include "dprintf.h"
36 #include "task_demo.h"
37
38 int g_system_clock = IHS_VALUE;
39 #ifndef CONFIG_SYSTICK_HZ
40 #define CONFIG_SYSTICK_HZ 1000
41 #endif
42
SystemInit(void)43 void SystemInit(void)
44 {
45 csi_coret_config(drv_get_sys_freq() / CONFIG_SYSTICK_HZ, CORET_IRQn);
46 }
47
main(void)48 LITE_OS_SEC_TEXT_INIT int main(void)
49 {
50 UINT32 ret;
51
52 SystemInit();
53 uart_early_init();
54 ret = LOS_KernelInit();
55 if (ret != LOS_OK) {
56 printf("LiteOS kernel init failed! ERROR: 0x%x\n", ret);
57 }
58 FileSystemInit();
59
60 ret = LosAppInit();
61 if (ret != LOS_OK) {
62 printf("LosAppInit failed! ERROR: 0x%x\n", ret);
63 }
64
65 LOS_Start();
66
67 while (1) {
68 __asm volatile("wait");
69 }
70 }
71