RK3399J uboot无saveenv的命令

18824714993

最近遇到一个很奇葩的问题，
uboot 无saveenv的环境变量保存命令，很尴尬，烧录官方的也没有
但是官方nfs环境搭建文档是说有saveenv命令的
如图：


uboot操作：

1. =>
   
2. =>
   
3. =>
   
4. =>
   
5. => saveenv
   
6. Unknown command 'saveenv' - try 'help'
   
7. => s
   
8.   save setcurs setenv sf showvar size sleep source sysboot
   
9. => s
   
10.   save setcurs setenv sf showvar size sleep source sysboot
    
11. => s
    
12.   save setcurs setenv sf showvar size sleep source sysboot
    
13. => help
    
14. ?       - alias for 'help'
    
15. base    - print or set address offset
    
16. bdinfo  - print Board Info structure
    
17. boot    - boot default, i.e., run 'bootcmd'
    
18. boot_android- Execute the Android Bootloader flow.
    
19. bootd   - boot default, i.e., run 'bootcmd'
    
20. bootefi - Boots an EFI payload from memory
    
21. bootelf - Boot from an ELF image in memory
    
22. booti   - boot arm64 Linux Image image from memory
    
23. bootm   - boot application image from memory
    
24. bootp   - boot image via network using BOOTP/TFTP protocol
    
25. bootrkp - Boot Linux Image from rockchip image type
    
26. bootvx  - Boot vxWorks from an ELF image
    
27. bootz   - boot Linux zImage image from memory
    
28. cmp     - memory compare
    
29. coninfo - print console devices and information
    
30. cp      - memory copy
    
31. crc32   - checksum calculation
    
32. dhcp    - boot image via network using DHCP/TFTP protocol
    
33. dm      - Driver model low level access
    
34. dump_bidram- Dump bidram layout
    
35. dump_sysmem- Dump sysmem layout
    
36. echo    - echo args to console
    
37. editenv - edit environment variable
    
38. env     - environment handling commands
    
39. erase   - erase FLASH memory
    
40. exit    - exit script
    
41. ext2load- load binary file from a Ext2 filesystem
    
42. ext2ls  - list files in a directory (default /)
    
43. ext4load- load binary file from a Ext4 filesystem
    
44. ext4ls  - list files in a directory (default /)
    
45. ext4size- determine a file's size
    
46. false   - do nothing, unsuccessfully
    
47. fastboot- use USB or UDP Fastboot protocol
    
48. fatinfo - print information about filesystem
    
49. fatload - load binary file from a dos filesystem
    
50. fatls   - list files in a directory (default /)
    
51. fatsize - determine a file's size
    
52. fatwrite- write file into a dos filesystem
    
53. fdt     - flattened device tree utility commands
    
54. flinfo  - print FLASH memory information
    
55. fstype  - Look up a filesystem type
    
56. go      - start application at address 'addr'
    
57. gpt     - GUID Partition Table
    
58. gzwrite - unzip and write memory to block device
    
59. help    - print command description/usage
    
60. iminfo  - print header information for application image
    
61. imxtract- extract a part of a multi-image
    
62. iomem   - Show iomem data by device compatible(high priority) or node name
    
63. itest   - return true/false on integer compare
    
64. lcdputs - print string on video framebuffer
    
65. load    - load binary file from a filesystem
    
66. load_android- load Android Boot image from storage.
    
67. loadb   - load binary file over serial line (kermit mode)
    
68. loads   - load S-Record file over serial line
    
69. loadx   - load binary file over serial line (xmodem mode)
    
70. loady   - load binary file over serial line (ymodem mode)
    
71. loop    - infinite loop on address range
    
72. ls      - list files in a directory (default /)
    
73. lzmadec - lzma uncompress a memory region
    
74. md      - memory display
    
75. mdio    - MDIO utility commands
    
76. mii     - MII utility commands
    
77. mm      - memory modify (auto-incrementing address)
    
78. mmc     - MMC sub system
    
79. mmcinfo - display MMC info
    
80. mw      - memory write (fill)
    
81. nfs     - boot image via network using NFS protocol
    
82. nm      - memory modify (constant address)
    
83. part    - disk partition related commands
    
84. ping    - send ICMP ECHO_REQUEST to network host
    
85. printenv- print environment variables
    
86. protect - enable or disable FLASH write protection
    
87. pxe     - commands to get and boot from pxe files
    
88. rbrom   - Perform RESET of the CPU
    
89. reset   - Perform RESET of the CPU
    
90. rkimgtest- Test if storage media have rockchip image
    
91. rockchip_show_bmp- load and display bmp from resource partition
    
92. rockchip_show_logo- load and display log from resource partition
    
93. rockusb - Use the rockusb Protocol
    
94. run     - run commands in an environment variable
    
95. save    - save file to a filesystem
    
96. setcurs - set cursor position within screen
    
97. setenv  - set environment variables
    
98. sf      - SPI flash sub-system
    
99. showvar - print local hushshell variables
    
100. size    - determine a file's size
     
101. sleep   - delay execution for some time
     
102. source  - run script from memory
     
103. sysboot - command to get and boot from syslinux files
     
104. test    - minimal test like /bin/sh
     
105. tftpboot- boot image via network using TFTP protocol
     
106. time    - run commands and summarize execution time
     
107. true    - do nothing, successfully
     
108. ums     - Use the UMS [USB Mass Storage]
     
109. unzip   - unzip a memory region
     
110. usb     - USB sub-system
     
111. usbboot - boot from USB device
     
112. version - print monitor, compiler and linker version

复制代码

是不是其他命令代替saveenv这个命令

leader-陳

我也没发现有....楼主踩完坑没，有方法指导下？

就这样...

有没有解决该问题，求助

18370990192

编译uboot的时候配置一下，选择MMC作为存储设备。

潇潇

u-boot根目录下make menuconfig
存储配置：
Environment  --->
Select the location of the environment
(X) Environment in a block device

raswin

可以

Lenuxon

潇潇 发表于 2021-4-30 17:08
u-boot根目录下make menuconfig
存储配置：
Environment  --->

可以执行saveenv了，但是保存不了环境变量，你们有遇到这种情况吗

sunlifang159

可以