Hi all,
Is there any information available on kernel debugging? I guess that the
book that is referenced on the developer wiki probably has some of this
information but I am not keen on spending the money :) I am interested in
finding out about the remote debugging support possible with Microsoft C 6
that I have seen mentioned without any explanation of how it is actually
done.
If there is absolutely no information available anywhere, would it be okay
if I started a page on the wiki with a few things I have learned? I am by
far not an expert on debugging the kernel but what little I know might help
someone else who knows less and all I would ask is that maybe someone take a
look to make sure I didn't make any mistakes :)
Also, when working with Bochs or QEMU, it is possible to write a character
at a time to port 0xE9 and this output will go to the Bochs console window.
I would like to contribute a kernel patch to prf.c to implement
put_console() this way if say -DBOCHS is used, but I am not clear how I
should implement the function to write to the port - I made a Watcom
"#pragma aux"-style inline assembly implementation of outp() and I guess I
could make a Turbo C implementation too, but I got the impression it might
be desirabl to somehow pull the implementatoin of outp() from the compiler's
libraries? Of course since the change is so simple, I guess someone might
feel it is easier to just implement my suggestion in the "proper" way
instead of having to explain to me what the convention is. If this
information is documented somewhere I apologize and would love a pointer to
it!
Thanks in advance,
David
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