Re: [OSDev] How to switch to long mode in x86 CPUs?

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Sujet : Re: [OSDev] How to switch to long mode in x86 CPUs?
De : Keith.S.Thompson+u (at) *nospam* gmail.com (Keith Thompson)
Groupes : comp.lang.c
Date : 27. Feb 2025, 23:02:58
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Organisation : None to speak of
Message-ID : <87y0xrnizx.fsf@nosuchdomain.example.com>
References : 1
User-Agent : Gnus/5.13 (Gnus v5.13)
Ar Rakin <rakinar2@onesoftnet.eu.org> writes:
Hello there,
>
I am trying to develop my own, simple operating system to learn more
about how kernels work and low level stuff like that.  However, I am
stuck at setting up paging while switching long mode (64-bit protected
mode) in x86 processors.
>
The assembly code I currently have:
>
[67 lines deleted]
>
I am not sure what is wrong, but when I run my kernel in
[...]
>
If anyone knows what is wrong with this code, please let me know.  Any
help will be appreciated!

You're asking about x86 assembly language, not C, so you're not likely
to get help here.  I'm not sure whether there's a newsgroup where your
question would be on-topic.  (comp.lang.asm.x86 appears to be dead.)

You might consider posting on Stack Overflow.

(Everyone else: Let's not start a debate about the merits of Stack
Overflow.)

--
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
void Void(void) { Void(); } /* The recursive call of the void */

Date Sujet#  Auteur
27 Feb 25 * [OSDev] How to switch to long mode in x86 CPUs?29Ar Rakin
27 Feb 25 +* Re: [OSDev] How to switch to long mode in x86 CPUs?14Keith Thompson
28 Feb 25 i`* Re: [OSDev] How to switch to long mode in x86 CPUs?13Ar Rakin
28 Feb 25 i +- Re: [OSDev] How to switch to long mode in x86 CPUs?1Waldek Hebisch
28 Feb 25 i `* OT: (Was: How to switch to long mode in x86 CPUs?)11Salvador Mirzo
28 Feb 25 i  +* Re: OT: USENET9Salvador Mirzo
1 Mar 25 i  i+* Re: OT: USENET7Richard Harnden
1 Mar 25 i  ii+* Re: OT: USENET2Ar Rakin
5 Mar 25 i  iii`- Re: OT: USENET1candycanearter07
2 Mar 25 i  ii`* Re: OT: USENET4Salvador Mirzo
2 Mar 25 i  ii `* Re: OT: USENET3Ar Rakin
2 Mar 25 i  ii  +- Re: OT: USENET1yeti
9 Mar 25 i  ii  `- Re: OT: USENET1Salvador Mirzo
1 Mar 25 i  i`- Re: OT: USENET1Ar Rakin
1 Mar 25 i  `- Re: OT:1Ar Rakin
28 Feb 25 +* Re: [OSDev] How to switch to long mode in x86 CPUs?12David Brown
28 Feb 25 i+* Re: [OSDev] How to switch to long mode in x86 CPUs?2Ar Rakin
1 Mar 25 ii`- Re: [OSDev] How to switch to long mode in x86 CPUs?1Dan Cross
1 Mar 25 i`* Re: [OSDev] How to switch to long mode in x86 CPUs?9Paul Edwards
2 Mar 25 i +* Re: [OSDev] How to switch to long mode in x86 CPUs?3Salvador Mirzo
2 Mar 25 i i+- Re: PC BIOS (was [OSDev] How to switch to long mode in x86 CPUs?)1Dan Cross
2 Mar 25 i i`- Re: [OSDev] How to switch to long mode in x86 CPUs?1Dan Cross
2 Mar 25 i `* Re: [OSDev] How to switch to long mode in x86 CPUs?5Paul Edwards
2 Mar 25 i  `* Re: [OSDev] How to switch to long mode in x86 CPUs?4bart
4 Mar 25 i   `* Re: [OSDev] How to switch to long mode in x86 CPUs?3Paul Edwards
4 Mar 25 i    `* Re: [OSDev] How to switch to long mode in x86 CPUs?2bart
5 Mar 25 i     `- Re: [OSDev] How to switch to long mode in x86 CPUs?1Paul Edwards
1 Mar 25 +- Re: [OSDev] How to switch to long mode in x86 CPUs?1Dan Cross
2 Mar 25 `- Re: [OSDev] How to switch to long mode in x86 CPUs?1Andy Valencia

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