uboot commad test test - minimal test like /bin/sh so we can use test command to some judge for example, test –n $uenvcmd test var uenvcmd length !eq zero detail learning you can reference url: https://www.cnblogs.com/tankblog/p/6160808.html Note: we can use test command to mak...
" - print brief description of all commands\n" "helpme command ...\n" " - print detailed usage of 'command'" ); 定义一个执行函数 static int do_helpme(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { printf("Cmd test ok!\r\n"); printf("argc = %d\r\n"...
=>mmc list=> fatls mmc0:1=> fatwrite mmc0:180000100test.bin14=> fatls mmc0:1 命令输入回车后,输出如下: 从输出结果可以看到,test.bin文件成功写入到sd卡,并且大小为20字节,在Linux嵌入式调试中,可以使用该命令进行uboot或者zImage文件的更新。 8、EXT格式文件系统相关操作命令 uboot中除了有FAT格式文...
go - start application at address 'addr' help - print command description/usage icache - enable or disable instruction cache iminfo - print header information for application image imxtract- extract a part of a multi-image itest - return true/false on integer compare loadb - load binary file...
memory sysboot - command to get and boot from syslinux files test - minimal test like ...
一、修改SD卡的u-boot1.1.6 1. common/main.c中 void main_loop （void） { …… if（bootdelay>=0&&s&&!abortboot（bootdelay））{ } //如果在启动过程中有按键，打断了执行过程的话 run_command（"menu",0）； //如果menu返回的话，就进入u-boot的shell中 #ifdef...
sysboot - command to get and boot from syslinux files sysmem_dump- Dump sysmem layout sysmem_search- Search a available sysmem region test - minimal test like /bin/sh tftp - download image via network using TFTP protocol tftpbootm- tftpbootm aosp/uImage/FIT image via network using TFTP pr...
sysboot - command to get and boot from syslinux files test - minimal test like /bin/sh tftpboot- boot image via network using TFTP protocol true - do nothing, successfully version - print monitor, compiler and linker version => 输入“help(或?) 命令名”可以查看命令的详细用法 ...
mtest-simpleRAMread/write test mw-memorywrite(fill)nfs-boot image via network usingNFSprotocol nm-memorymodify(constant address)ping-sendICMPECHO_REQUESTto network host printenv-print environment variables reginfo-print register information reset-PerformRESEToftheCPUrun-run commandsinan environment variable...
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")OUTPUT_ARCH(arm)ENTRY(_start)SECTIONS{. = 0x00000000;//起始地址. = ALIGN(4);//4字节对齐.text : //test指代码段,上面3行标识是不占用任何空间的{arch/arm/cpu/arm_cortexa8/start.o (.text) //这里把start.o放在第一...