Question

x86 Simulator

Asked by: Terra_Nova

I'm looking into creating a very small operating system for myself.  I was wondering if there were any tools I can use to test the operating system without having to physically have a second computer to test it on.

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Asked On
2005-02-01 at 11:00:49ID21297319
Tags

x86

,

simulator

,

computer

Topic

Miscellaneous Programming

Participating Experts
3
Points
75
Comments
14

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Answers

 

by: DrWarezzPosted on 2005-02-01 at 11:20:10ID: 13196089

Hi,

http://www.groovyweb.uklinux.net/index.php?page_name=how%20to%20write%20your%20own%20os
http://www.groovyweb.uklinux.net/index.php?page_name=how%20to%20write%20your%20own%20os%202

lol, Good luck with it. I really would recommend that you use a second machine for testing with.. As you need to code your own Kernel, etc.. and you really don't want to risk it messing up your own machines config, do you?

Best of luck. Btw: are you only using x86? I would recommend using some C/C++, it simplifies it all a lot (but, it's up to you) ;-)
[r.D]

 

by: Terra_NovaPosted on 2005-02-01 at 11:38:03ID: 13196289

I plan on using both assembly and c++.  

I've read that I need the bit of assembly at the beginning to setup the operating system but then can use any language I want after that.  If it were up to me I'd skip the assembly altogether =P

Thanks for the links, not exactly what I was looking for but every bit still helps!

Just in case I wasn't clear, I'm wondering if there is some kind of emulator I can use that simulates an x86 computer (a general pc with an x86 chipset) so that I can test my operating system in it instead of on my own entire system.

 

by: Terra_NovaPosted on 2005-02-01 at 11:51:32ID: 13196436

Haha

Well does this support creating and using a custom operating system in this, or just prebuilt ones like Windows and Linux?  If I can build my own operating system into this then I'd be willing to buy it =P

 

by: DrWarezzPosted on 2005-02-01 at 11:57:18ID: 13196492

Well, yes; I'm sure it does... To emulate an OS, you simply create the program to install it (like, insert the Windows 2000 installation disk to emulate Win2K), likewise, you'd run your own installation on the emulated partition. And it runs itself, within your own OS, in a seperate Window, and protects intervention with your current partition.. so it's safe also :-)

I have a screen shot, of it being used on a WinXP machine, emulating a Win2K OS - if you'd like me to upload it.

You may want to contact the creators of it, (VMware), and explain that you're willing to buy it - however, you want it, to test custom OSs on a current machine; can it be used for this easily? Do they have any tutorials/FAQs/references, which cover how to achieve this? etc..

They should be able to take it from there :-)

HTH
[r.D]

 

by: Terra_NovaPosted on 2005-02-01 at 12:00:33ID: 13196523

Thanks alot, sounds perfect.

 

by: DrWarezzPosted on 2005-02-01 at 12:02:16ID: 13196545

Thank you :-) Good luck with it.
[r.D]

 

by: jaime_olivaresPosted on 2005-02-01 at 15:33:45ID: 13198550

I suggest you to start evaluating freedos. It comes with source code (http://www.freedos.org)

 

by: Terra_NovaPosted on 2005-02-01 at 15:51:50ID: 13198658

Thanks for the tip, looks interesting.

 

by: nripPosted on 2005-02-02 at 01:08:08ID: 13201221

take a look at freeRTOS too <www.freertos.org>...remember if you are going to run a kernel on an emulator which is running on another OS ...then you will have to take care of interrupts...as your kernel may not have access to the system interrupts in case your OS is something like NT

 

by: nripPosted on 2005-02-02 at 01:09:35ID: 13201231

really sorry ..forgot to gave you the link to the x86 emulator..:)

http://bochs.sourceforge.net/

 

by: nripPosted on 2005-06-14 at 08:55:42ID: 14212887

3 way split jaime_olivares, Terry_Nova and nrip

20120131-EE-VQP-002

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