[*] Emulating binary name: ubcfg
[*] Emulator used: qemu-mipsel
[*] Using root directory: /logs/s115_usermode_emulator/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract (1/1)
[*] Using CPU config: NONE
[*] Emulating binary: /usr/sbin/ubcfg
[*] Emulating binary ./usr/sbin/ubcfg with parameter NONE
usage: ubcfg [ add|set|get|del|show|help ] [ envname=value ... ]
Manage uboot environment variables
Operations:
add - Add a new variable. ex: ubcfg add ipaddr=192.168.0.1
set - set a old variable. ex: ubcfg set ipaddr=192.168.0.1
get - get a specific variable. ex: ubcfg get ipaddr
del - del a specifuc varialbe. ex: ubcfg del ipaddr
show - show all of variables. ex: ubcfg show
help - show this help message. ex: ubcfg help
[*] Emulating binary ./usr/sbin/ubcfg with parameter -v
[*] Emulating binary ./usr/sbin/ubcfg with parameter -V
usage: ubcfg [ add|set|get|del|show|help ] [ envname=value ... ]
Manage uboot environment variables
Operations:
add - Add a new variable. ex: ubcfg add ipaddr=192.168.0.1
set - set a old variable. ex: ubcfg set ipaddr=192.168.0.1
get - get a specific variable. ex: ubcfg get ipaddr
del - del a specifuc varialbe. ex: ubcfg del ipaddr
show - show all of variables. ex: ubcfg show
help - show this help message. ex: ubcfg help
[*] Emulating binary ./usr/sbin/ubcfg with parameter -h
usage: ubcfg [ add|set|get|del|show|help ] [ envname=value ... ]
Manage uboot environment variables
Operations:
add - Add a new variable. ex: ubcfg add ipaddr=192.168.0.1
set - set a old variable. ex: ubcfg set ipaddr=192.168.0.1
get - get a specific variable. ex: ubcfg get ipaddr
del - del a specifuc varialbe. ex: ubcfg del ipaddr
show - show all of variables. ex: ubcfg show
help - show this help message. ex: ubcfg help
[*] Emulating binary ./usr/sbin/ubcfg with parameter -help
usage: ubcfg [ add|set|get|del|show|help ] [ envname=value ... ]
Manage uboot environment variables
Operations:
add - Add a new variable. ex: ubcfg add ipaddr=192.168.0.1
set - set a old variable. ex: ubcfg set ipaddr=192.168.0.1
get - get a specific variable. ex: ubcfg get ipaddr
del - del a specifuc varialbe. ex: ubcfg del ipaddr
show - show all of variables. ex: ubcfg show
help - show this help message. ex: ubcfg help
[*] Emulating binary ./usr/sbin/ubcfg with parameter --help
usage: ubcfg [ add|set|get|del|show|help ] [ envname=value ... ]
Manage uboot environment variables
Operations:
add - Add a new variable. ex: ubcfg add ipaddr=192.168.0.1
set - set a old variable. ex: ubcfg set ipaddr=192.168.0.1
get - get a specific variable. ex: ubcfg get ipaddr
del - del a specifuc varialbe. ex: ubcfg del ipaddr
show - show all of variables. ex: ubcfg show
help - show this help message. ex: ubcfg help
[*] Emulating binary ./usr/sbin/ubcfg with parameter --version
usage: ubcfg [ add|set|get|del|show|help ] [ envname=value ... ]
Manage uboot environment variables
Operations:
add - Add a new variable. ex: ubcfg add ipaddr=192.168.0.1
set - set a old variable. ex: ubcfg set ipaddr=192.168.0.1
get - get a specific variable. ex: ubcfg get ipaddr
del - del a specifuc varialbe. ex: ubcfg del ipaddr
show - show all of variables. ex: ubcfg show
help - show this help message. ex: ubcfg help
[*] Emulating binary ./usr/sbin/ubcfg with parameter version
usage: ubcfg [ add|set|get|del|show|help ] [ envname=value ... ]
Manage uboot environment variables
Operations:
add - Add a new variable. ex: ubcfg add ipaddr=192.168.0.1
set - set a old variable. ex: ubcfg set ipaddr=192.168.0.1
get - get a specific variable. ex: ubcfg get ipaddr
del - del a specifuc varialbe. ex: ubcfg del ipaddr
show - show all of variables. ex: ubcfg show
help - show this help message. ex: ubcfg help
usage: ubcfg [ add|set|get|del|show|help ] [ envname=value ... ]
Manage uboot environment variables
Operations:
add - Add a new variable. ex: ubcfg add ipaddr=192.168.0.1
set - set a old variable. ex: ubcfg set ipaddr=192.168.0.1
get - get a specific variable. ex: ubcfg get ipaddr
del - del a specifuc varialbe. ex: ubcfg del ipaddr
show - show all of variables. ex: ubcfg show
help - show this help message. ex: ubcfg help
For reproducing the EMBA user-mode emulation mechanism, the following commands could be used as starting point:
- Start EMBA docker container with the firmware directory as log directory:
# EMBA="." FIRMWARE="/home/runner/work/emba/emba/DIR-600_fw_revb5_214b01_ALL_de_20130122.zip" LOG="/absolute/path/to/EMBA/log/directory" docker-compose run emba
- Change your working directory to the root directory of your firmware:
# cd /logs/s115_usermode_emulator/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract
- Copy the static compiled user-mode emulator to your current working directory
# cp $(which qemu-mipsel) .
- Start the emulation with the following command:
# jchroot . -- ./qemu-mipsel ./usr/sbin/ubcfg <parameters like -v or --help>
WARNING: EMBA is doing some more magic in the background. Probably it is not that easy, but give it a try.
