How to debug a boot loader?

StackOverflow https://stackoverflow.com/questions/12204837

  •  29-06-2021
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Question

I debugged small programs using gdb.

I have source code of GRUB. Second stage of GRUB is written in C. Can I debug it using gdb ?

Is it possible to debug a boot loader ? If yes, then how ?

Was it helpful?

Solution

  1. I would check out bochs
  2. You can also use gdb with bochs
  3. OSDev has a wealth of information on debugging a bootloader
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