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Index > OS Construction > boot strap loader?

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jdawg



Joined: 26 Jun 2005
Posts: 39
jdawg
does anybody happen to know any good links I could use to get a feel of how to design a quility boot strap loader? I'm not looking for a handout, just some help. Question
Post 28 Jun 2005, 19:27
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Redragon



Joined: 27 Nov 2004
Posts: 101
Location: U.S.
Redragon
are you wanting a boot file? i have a few, but their all different, some require to be rawritten to a floppy, then you copy the kernel to the floppy, some require both to be rawritten, or theres cdpod, it shows a good way of making the kernel load itself... if you want cdpod ill try and refind the link to it, or if dex reads this he would have it.
Post 28 Jun 2005, 19:42
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jdawg



Joined: 26 Jun 2005
Posts: 39
jdawg
Any that you have would be helpful, Thanks Very Happy
To help answer your question though, I'm wanting to put together the strap loader that brings together and reads the rest of the bootable information.
Post 28 Jun 2005, 19:45
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Redragon



Joined: 27 Nov 2004
Posts: 101
Location: U.S.
Redragon
what kind of mode are you looking into using 16bit or 32bit? i have examples for both, 16bit that accepts input like DOS, and cdpod for 32bit, and other various things you can do in 16bit
Post 28 Jun 2005, 19:50
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jdawg



Joined: 26 Jun 2005
Posts: 39
jdawg
I'd like to start with the 16 and load the rest of the knernel into 32
Post 28 Jun 2005, 19:53
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jdawg



Joined: 26 Jun 2005
Posts: 39
jdawg
I'd like to start with the 16 and load the rest of the kerrnel into 32 maybe 64 if it's possible to make that big of a jump
Post 28 Jun 2005, 19:53
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Redragon



Joined: 27 Nov 2004
Posts: 101
Location: U.S.
Redragon
thats not exactly what i meant, then again i didnt word it fully, what i was wondering was for your kernel, did you want to use 16bit or 32bit, your boot file will always use 16bit, but your kernel can use either 16bit (thus interfacing DOS) or 32bit (where you have to set up protected mode, A20 etc.).. but i still know what you mean, so a 32bit kernel is what you need, ill get the cdpod example for you, it shows how to set up 32bit mode and everything like that.




Redragon


Last edited by Redragon on 28 Jun 2005, 20:02; edited 1 time in total
Post 28 Jun 2005, 20:01
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jdawg



Joined: 26 Jun 2005
Posts: 39
jdawg
You rule Exclamation Exclamation
Post 28 Jun 2005, 20:02
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Redragon



Joined: 27 Nov 2004
Posts: 101
Location: U.S.
Redragon
heres the link, its the 512 compo page, scroll half way down the page and you will see CdPod, dex was known as Ashley4 then.

http://board.flatassembler.net/topic.php?t=2164&postdays=0&postorder=asc&start=50

one thing though that CdPod dosent do is show how to setup A20, if you need that i can show you how, its really easy
Post 28 Jun 2005, 20:06
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jdawg



Joined: 26 Jun 2005
Posts: 39
jdawg
Thanks again Laughing
Post 28 Jun 2005, 20:09
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Redragon



Joined: 27 Nov 2004
Posts: 101
Location: U.S.
Redragon
your welcome, if you have a messenger name for msn, aol or yahoo, PM it to me and i can explain how to set up A20 and change the resolution easier, and help you with any more questions you may have about it
Post 28 Jun 2005, 20:10
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jdawg



Joined: 26 Jun 2005
Posts: 39
jdawg
I'll have to do that later. Right now I got to fly.
Post 28 Jun 2005, 20:19
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