Hello Team, I am trying to access u-boot environment from user space but facing issue with fw_utils like command fw_printenv always prints default
fw_printenv [[ -n name ] | [ name ... ]] 如果不指定name,fw_printenv会打印出ENV区中的所有环境变 4.当指定的环境变量大小不正确时提示,这里是imx8mm #:/etc# fw_printenv Warning: Bad CRC, using default environment 其中device name, Device offset,Env size应该分别对应于uboot源码目录中include...
I create /etc/fw_env.config with data like this /dev/mmcblk0p1 0x0000 0x2000 However, when I run fw_printenv, I got Warning: Bad CRC, using default environment And it only show the default uboot environments; my real uboot environments are different. So, I think I set wrong cont...
I commented the bad block sectors check and crc check in fw_printenv source code in u-boot-omap3/tools/env and recompiled. Now I can print the u-boot environment variables correctly. But, now fw_setenv is not writing the environment variables. I get the below error: *** / # fw_set...
# fw_printenv bootdelaybootdelay=3# fw_setenv bootdelay 5# fw_printenv bootdelayWarning: Bad CRC, using default environment Looking at the stored environment after these steps by means of hexdump -C /dev/mtd1 we can see that everything but the first ...
root@omapl138-lcdk:/#./fw_printenv Warning: Bad CRC, using default environment bootcmd=bootp; setenv bootargs root=/dev/nfs nfsroot=${serverip}:${rootpath} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostm bootdelay=5 ...
问使用fw_printenv获取U-boot的环境EN说明：很多时候为了加速网站快速访问都会上CDN，这样一来程序和nginx...
printenv, printf, ps, pwd, rdate, readahead, readlink, readmbr, readprofile, realpath, reboot, renice, reset, resize, rm, rmdir, rmmod, route, run-parts, runlevel, sed, seq, setarch, setconsole, setkeycodes, setlogcons, setsid, sh, sha1sum, sha256sum, sha512sum, sleep, sort, st...
DEVICE1_NAME DEVICE1_OFFSET ENV1_SIZE DEVICE1_ESIZE DEVICE1_ENVSECTORS这些都配置对了之后就可以使用fw_printenv和fw_setenv进行读取和修改uboot环境变量分区的变量了。使用方法和uboot命令行中的printenv和setenv命令一样。注意如果你仔细核对过配置文件都是一样的但是还是报“Warning: Bad CRC, using default...
Warning: Bad CRC, using default environment restarting the system when such error is present will overwrite the mentioned partition with the default environment and make the system unbootable. Which partition/offset/env size should I be using on the google coral platform? The system image is locat...