我有一个嵌入式设备，上面有 bist。在启动过程中，我可以在 uboot 中停止并进入 bist。当我help在这里执行操作时，我会看到一个命令列表。然而我无法使用它们，因为关于如何使用它们没有太多帮助。有人知道如何执行命令吗？
这就是我要说的：
bist > help
? - alias for 'help'
autoscr - DEPRECATED - use "source" command instead
base - print or set address offset
boot - boot default, i.e., run 'bootcmd'
check - perform MMC CRC32 check
cmp - memory compare
coninfo - print console devices and information
cp - memory copy
crc32 - checksum calculation
diag - perform board diagnostics
echo - echo args to console
go - start application at address 'addr'
halt - halt board
help - print online help
i2c - I2C sub-system
idme - idme - Set nv ram variables
iminfo - print header information for application image
itest - return true/false on integer compare
loadb - load binary file over serial line (kermit mode)
loads - load S-Record file over serial line
loady - load binary file over serial line (ymodem mode)
loop - infinite loop on address range
loopw - infinite write loop on address range
md - memory display
mm - memory modify (auto-incrementing address)
mmc - MMC sub system
mmcinfo - mmcinfo <dev num>-- display MMC info
mtest - simple RAM read/write test
mw - memory write (fill)
nm - memory modify (constant address)
ocotp - OCOTP sub system
panic - panic halt
pass - pass blink pass pattern on LED
pmic - pmic - PMIC utility commands
printenv- print environment variables
reset - Perform RESET of the CPU
run - run commands in an environment variable
setenv - set environment variables
sleep - delay execution for some time
source - run script from memory
sspi - SPI utility commands
version - print monitor version
答案1
看看Uboot手册，尤其是第 5 节。还应该可以通过以下方式在 cli 本身中显示附加信息help COMMAND