图1 是某款手机的存储设备结构图,其存储区(红色框图部分)分为四部分:SRAM、Nand Flash、SDRAM及外设地址空间。其中Nand Flash中存储着全部系统数据(通过专门的烧写工具将编译后的映象文件download到Nand Flash中,工具由IC厂商提供),包括boot.img、system.img、recovery.img等,因此Nand Flash即是上文所说的手机上的...
BusyBox 是一个集成了三百多个最常用 Linux 命令和工具的软件 BusyBox 包含了一些简单的工具 例如 ls cat echo 等等 还包含了一些更强大更复杂的工具 例如 grep find mount telnet 有些人将 BusyBox 称为 Linux 工具里的瑞士军刀 简单的说 BusyBox 就好像是个大工具箱 集成压缩了 Linux 的许多工具和命令 也...
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For DDR controller configuration, you need to create a QCVS DDR project to generate the initial configuration parameters according to your DDR datasheet or reading from SPD, then use DDRv tool to do validation and optimization. You could refer to https://community.nxp.com/...
For DDR controller configuration, you need to create a QCVS DDR project to generate the initial configuration parameters according to your DDR datasheet or reading from SPD, then use DDRv tool to do validation and optimization. You could refer to https://community.nxp.com/...
示例:symlink(“toolbox”,”/system/bin/ps”),建立指向toolbox符号连接/system/bin/ps,值得注意的是,在建立新的符号连接之前,要断开已经存在的符号连接。 7.set_perm(uid,gid,mode,file1,file2,……,fileN):作用是设置单个文件或则一系列文件的权限,最少要指定一个文件。 8.set_perm_recursive(uid,gid,...
For DDR controller configuration, you need to create a QCVS DDR project to generate the initial configuration parameters according to your DDR datasheet or reading from SPD, then use DDRv tool to do validation and optimization. You could refer to https://community.nxp.com/...
For DDR controller configuration, you need to create a QCVS DDR project to generate the initial configuration parameters according to your DDR datasheet or reading from SPD, then use DDRv tool to do validation and optimization. You could refer to https://community.nxp.com/...
For DDR controller configuration, you need to create a QCVS DDR project to generate the initial configuration parameters according to your DDR datasheet or reading from SPD, then use DDRv tool to do validation and optimization. You could refer to https://community.nxp.com/...