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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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16
nshlib/nsh_script.c
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@@ -145,6 +145,22 @@ int nsh_script(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd,
return ret;
}
/****************************************************************************
* Name: nsh_sysinitscript
*
* Description:
* Attempt to execute the configured system initialization script. This
* script should be executed once when NSH starts.
*
****************************************************************************/
#ifdef CONFIG_NSH_ROMFSETC
int nsh_sysinitscript(FAR struct nsh_vtbl_s *vtbl)
{
return nsh_script(vtbl, "sysinit", NSH_SYSINITPATH);
}
#endif
/****************************************************************************
* Name: nsh_initscript
*