3rd-party/linux-kernel-module-cheat
1
0
Fork 0
mirror of https://github.com/cirosantilli/linux-kernel-module-cheat.git synced 2026-01-22 17:55:57 +01:00
Code Issues Releases Wiki Activity

Fix init environment code examples

Browse Source 
Likely not updated after --kernel-cli-after-dash was added.

Prompted by: https://github.com/cirosantilli/linux-kernel-module-cheat/issues/120
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2020-03-25 00:00:00 +00:00
parent 69f5745d3d
commit c5aeb1791c
2 changed files with 12 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
README.adoc
View File

@@ -3130,10 +3130,16 @@ ____
And you can try it out with:
....
./run --kernel-cli 'init=/lkmc/linux/init_env_poweroff.out - asdf=qwer zxcv'
./run --kernel-cli 'init=/lkmc/linux/init_env_poweroff.out' --kernel-cli-after-dash 'asdf=qwer zxcv'
....
Output:
From the <<dry-run,generated QEMU command>>, we see that the kernel CLI at LKMC 69f5745d3df11d5c741551009df86ea6c61a09cf now contains:
....
init=/lkmc/linux/init_env_poweroff.out console=ttyS0 - lkmc_home=/lkmc asdf=qwer zxcv
....
and the init program outputs:
....
args:
@@ -3144,6 +3150,7 @@ zxcv
env:
HOME=/
TERM=linux
lkmc_home=/lkmc
asdf=qwer
....
@@ -3156,7 +3163,7 @@ The annoying dash `-` gets passed as a parameter to `init`, which makes it impos
Arguments with dots that come after `-` are still treated specially (of the form `subsystem.somevalue`) and disappear, from args, e.g.:
....
./run --kernel-cli 'init=/lkmc/linux/init_env_poweroff.out - /lkmc/linux/poweroff.out'
./run --kernel-cli 'init=/lkmc/linux/init_env_poweroff.out' --kernel-cli-after-dash '/lkmc/linux/poweroff.out'
....
outputs:

2
run
View File

@@ -172,6 +172,7 @@ Pass an extra Linux kernel command line options, and place them before
the dash separator `-`. Only options that come before the `-`, i.e.
"standard" options, should be passed with this option.
Example: `./run --arch arm --kernel-cli 'init=/lkmc/poweroff.out'`
See also: https://cirosantilli.com/linux-kernel-module-cheat#init-environment
'''
)
self.add_argument(
@@ -182,6 +183,7 @@ separator, and place the options after the dash. Intended for custom
options understood by our `init` scripts, most of which are prefixed
by `lkmc_`.
Example: `./run --kernel-cli-after-dash 'lkmc_eval="wget google.com" lkmc_lala=y'`
See also: https://cirosantilli.com/linux-kernel-module-cheat#init-environment
'''
)
self.add_argument(