Hi all,
I'm trying to debug/trace early stages of kernel boot on x86 (just for
fun and learning). I mean very first stages when CPU is still in real-mode.
Since tools like printk/kdb/kgdb are not available at this early stages,
the best solution I found is using the debug program freedos with
freedos/loadlin.
I wonder if somebody have ever used this method and can give me some
suggestions (for example how to fix breakpoints or what happens when
switching to protected mode) or can suggest me some alternative methods
(maybe gdb+kexec?).
Thank you very much.
Luke
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