1 /* 2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, 5 * are permitted provided that the following conditions are met: 6 * 7 * 1. Redistributions of source code must retain the above copyright notice, this list of 8 * conditions and the following disclaimer. 9 * 10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 11 * of conditions and the following disclaimer in the documentation and/or other materials 12 * provided with the distribution. 13 * 14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific prior written 16 * permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef _LOS_BOOTARGS_H 32 #define _LOS_BOOTARGS_H 33 34 #include "los_typedef.h" 35 36 #define BYTES_PER_GBYTE (1 << 30) 37 #define BYTES_PER_MBYTE (1 << 20) 38 #define BYTES_PER_KBYTE (1 << 10) 39 #define COMMAND_LINE_ADDR (LOSCFG_BOOTENV_ADDR * BYTES_PER_KBYTE) 40 #define COMMAND_LINE_SIZE 1024 41 #define MAX_ARGS_NUM 100 42 #ifdef LOSCFG_STORAGE_EMMC 43 #define EMMC_SEC_SIZE 512 44 #endif 45 46 struct BootArgs { 47 CHAR *argName; 48 CHAR *argValue; 49 }; 50 51 INT32 LOS_GetCmdLine(VOID); 52 VOID LOS_FreeCmdLine(VOID); 53 INT32 LOS_ParseBootargs(VOID); 54 INT32 LOS_GetArgValue(CHAR *argName, CHAR **argValue); 55 UINT64 LOS_GetAlignsize(VOID); 56 UINT64 LOS_SizeStrToNum(CHAR *value); 57 58 #ifdef LOSCFG_BOOTENV_RAM 59 CHAR *OsGetArgsAddr(VOID); 60 #endif 61 #endif /* _LOS_BOOTARGS_H */