On 31.05.2012 08:44, Parul Aggarwal wrote: > Hello, > > I have a standalone application which I want to run in GRUB environment > i.e. for e.g at GRUB prompt. So the flow would be I enter grub prompt > and from there run my standalone application binary. By adding multiboot > header to the binary I am able to do that. > > Now in my application I want to access GRUB functions for e.g. > grub_printf(), so when I add this to my application and run the > application hangs. Can anyone suggest how to access GRUB functions from > my application? Is it possible? >
No. GRUB does a harakiri after launching its payload. No functions is available after boot. > What is the method defined in GRUB to run a custom application which > uses grub functions? Is grub modules the way or we can go with > standalone binary? > Only GRUB modules can use GRUB functions. But be sure that: 1) You compile it together with the rest of GRUB for dependency tracking (see also how grub-extras does it) 2) Make sure that your module is under GPLv3+. You can distribute it dual-licensed under GPLv3+ and something else if you wish but GPLv3+ has to be one of available licenses. > Please suggest. > > Thanks, > > > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel -- Regards Vladimir 'φ-coder/phcoder' Serbinenko
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