Re: [ros-dev] A new sub-project

[Joseph Galbraith]

Waldo Alvarez Cañizares wrote:
>   Hi:
>  
>  
> >  It is true that a filesystem that has a usermode
> > component
> > can not be used as a boot driver 
>  
>  I beleive this is not true. There are operating systems (at
>  least I could name one) with all the drivers running in
>  user mode leaving only a minimal kernel. Is sort of a
>  client-server model, and yes with protection for file/folders.
>  Now the ROS boot loader first loads kernel-hal-fat driver-... It
>  has to, otherwise how would you load the filesystem driver? Now
>  switching  ring 0 <-> ring 3 with that in RAM... If you also load
>  ntdll that way. Hmmm Why not? I beleive that is enought to read/write
>  something to disk. 
Hmmm... maybe I misspoke and wasn't clear.

What I meant to say was that a filesystem that
requires a user-mode component can not be the
boot filesystem.

Thanks,

Joseph