Search found 23 matches

by atc
Fri Jan 29, 2010 12:18 pm
Forum: Beginning OS Development
Topic: Multi-stage booting problems... :(
Replies: 14
Views: 25968

Re: Multi-stage booting problems... :(

I know you weren't THE author, heheh. I say "your tutorials" talking about the community in general. :)

Thanks for all of the help and wonderful tutorials, once again! I'm going to be hanging out here for a while if no one minds! :D
by atc
Wed Jan 27, 2010 6:23 am
Forum: Beginning OS Development
Topic: Multi-stage booting problems... :(
Replies: 14
Views: 25968

Re: Multi-stage booting problems... :(

Thank God, finally! Stage two loads successfully now, and I get a little bit of error feedback when something goes wrong (but it doesn't go wrong now, since it works, lol). Now I've got to get this kernel booted in Pmode and I can get back to what I'm comfortable with: C! At least I learned enough A...
by atc
Wed Jan 27, 2010 1:06 am
Forum: Beginning OS Development
Topic: Multi-stage booting problems... :(
Replies: 14
Views: 25968

Re: Multi-stage booting problems... :(

According to El Torito Spec, that's only true for *Floppy Emulation* (and of course, a real floppy works that way). This, and ISOLINUX, are meant to be run under *NO Emulation*. ISOLINUX has the same thing at the end - fill to 2046B and then add the boot signature. If that's not done, it won't even ...
by atc
Wed Jan 27, 2010 12:25 am
Forum: Beginning OS Development
Topic: Multi-stage booting problems... :(
Replies: 14
Views: 25968

Re: Multi-stage booting problems... :(

Ok, I've got a MUCH better idea of what I need to do and how this works. I discovered that a HUGE part of my problem was that I was making the ISO images wrong. I kept wondering why ISOLINUX and other renowned bootloaders wouldn't even work when I built them, lol! That's sorted out now though. So, f...
by atc
Mon Jan 25, 2010 8:32 pm
Forum: Beginning OS Development
Topic: Multi-stage booting problems... :(
Replies: 14
Views: 25968

Re: Multi-stage booting problems... :(

Thanks again. I'm also trying to make sense of ISOLINUX bit by bit. Slowly but surely, all the ops are coming together in my head. I did pick up what you mentioned: mov [CDDrive], dl ; Save value of booting drive So I've got that saved. Going to follow your suggesting and see what I come up with. I'...
by atc
Mon Jan 25, 2010 7:55 am
Forum: Beginning OS Development
Topic: Multi-stage booting problems... :(
Replies: 14
Views: 25968

Re: Multi-stage booting problems... :(

Yeah, that's sort of a big portion of the problem. It must be a real CD/DVD image, no floppy emulation. It's a basic design requirement, and the final target of this physically requires it. I wish I could elaborate, but I'm keeping my end goal under wraps for the time being. But I've got to learn ho...
by atc
Mon Jan 25, 2010 2:36 am
Forum: Beginning OS Development
Topic: Multi-stage booting problems... :(
Replies: 14
Views: 25968

Re: Multi-stage booting problems... :(

Indeed, that's all I'm trying to do. If I can overcome this hurdle and get to working in C, then it will be relatively smooth sailing. I guess my biggest problem is I'm inexperienced with ASM, especially in the Ring 0 realm. I've been in user-land my whole programming career, and only learned some b...
by atc
Sun Jan 24, 2010 2:58 pm
Forum: Beginning OS Development
Topic: Multi-stage booting problems... :(
Replies: 14
Views: 25968

Multi-stage booting problems... :(

Hi guys, I just registered here, and I was hooked by the wonderful tutorials which actually show you how to work on Windows in VS! This was about the only thing I could find with any comprehensive information (And took me 3 days just to find this). Everything else was for Linux/Unix users and a bunc...