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 40VOID BssClean(VOID) 41{ 42 (VOID)memset_s(&_sbss, &_ebss - &_sbss, 0, &_ebss - &_sbss); 43} 44 45INT32 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