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nsh/script: support rc.sysinit script

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Follow: http://glennastory.net/boot/sysinit.html

This is first script that init runs is rc.sysinit. This
script does serval initialization tasks about basic service.

The boot sequence currently provided to the board level is:
board_earlyinitialize->
    board_lateinitialize(Peripherals driver, core driver, ...)->
	run rcS script(mount fs, run service) ->
	    board_appinitialize->

After this patch:
The boot sequence currently provided to the board level is:
board_earlyinitialize->
    board_lateinitialize(core driver,...)->
	run rc.sysinit script(mount fs, run core service) ->
	    board_appinitialize(Peripherals driver)->
		run rcS script(run other service)->

So, Peripheral drivers can do more with the file system and
core services.

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
This commit is contained in:
Jiuzhu Dong
2022-04-15 21:59:24 +08:00
committed by Petro Karashchenko
parent 768a21b587
commit 9f79bf183a
7 changed files with 97 additions and 34 deletions
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5
nshlib/rc.sysinit.template Normal file
View File

@@ -0,0 +1,5 @@
# Create a RAMDISK and mount it at XXXRDMOUNTPOINTXXX
mkrd -m XXXMKRDMINORXXX -s XXMKRDSECTORSIZEXXX XXMKRDBLOCKSXXX
mkfatfs /dev/ramXXXMKRDMINORXXX
mount -t vfat /dev/ramXXXMKRDMINORXXX XXXRDMOUNTPOINTXXX