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Understanding intcall in linux kernel
https://forum.osdev.org/viewtopic.php?f=1&t=31384
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Author:  onlyonemac [ Mon Mar 06, 2017 1:34 am ]
Post subject:  Re: Understanding intcall in linux kernel

dream21 wrote:
Schol-R-LEA wrote:
So the code you are looking at here is only really there for an edge case, and is not the start-up used by Linux on most systems today. The x86/boot directory, with all the 16-bit startup code, is basically Linux's appendix, important at one time but now sort of just hanging around there in a reduced form because there's no reason to eliminate it even though it isn't really needed anymore.


So that means that we cannot build a minimal boot environment using that code?
If I'm understanding this correctly, you can, but it will be based on legacy code which you should probably avoid.

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