From: mulyadi.santosa@gmail.com (Mulyadi Santosa)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Calling function from address
Date: Wed, 8 Jun 2011 16:52:14 +0700 [thread overview]
Message-ID: <BANLkTi=dvuz5iA8PfuoULh_P0kiEk7cFsQ@mail.gmail.com> (raw)
In-Reply-To: <20110607204716.GV1112@mailer.i88.de>
On Wed, Jun 8, 2011 at 03:47, Micha M. <kernelnewbies@mail.i88.de> wrote:
> Hi!
>
>
> Is it possible to call a function that is somewere in the physical-address
> space? So I'd like to jump to a certain physical address, execute the code
> there and then return to my kernel module.
> I already tried to ioremap that address and cast the new address to a
> funtion pointer and then call the function, but there where some page
> faults.
Interesting, and after page fault....the code is still not executed?
what code(s) do you call? user mode? kernel mode?
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
next prev parent reply other threads:[~2011-06-08 9:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-07 20:47 Calling function from address Micha M.
2011-06-07 21:10 ` Jeff Haran
2011-06-08 9:52 ` Mulyadi Santosa [this message]
2011-06-08 10:50 ` Micha M.
2011-06-08 14:49 ` emilie lefebvre
2011-06-09 19:50 ` Micha M.
[not found] ` <BANLkTinCsEuYb-ZPPAy_h4HWCSufHV-8vQ@mail.gmail.com>
2011-06-10 7:46 ` Micha M.
2011-06-11 7:45 ` Peter Teoh
2011-06-11 8:01 ` Peter Teoh
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