DynatOS Basic Release (20060914)

SpooK · Post by **SpooK** » Thu Sep 14, 2006 6:59 am

This basic release of DynatOS is to help determine if proper memory management is being initialized amongst different IA32 platforms. Basically, it is a user-feedback test with very little interaction capability in order to test the stability of the kernel. What I need the most is feedback from the "mem" command, but if it doesn't even boot up that far... please let me know

I already know how this test version works on emulators such as Bochs, VirtualPC and VMWare. I would greatly appreciate feedback/replies to this thread from anyone who downloads and runs this test version on a Real PC.

Features
-Command Line Interface (extremely basic, QWERTY scancode response)
-Runs in Protected Mode w/ Ring-3 Context Switch capability (base for later)
-Accepts 3 commands, "help", "clear" and "mem"

Requirements for Testing
-Intel 386 Compatible PC or Higher
-Floppy Disk Drive (and a blank floppy)
-Keyboard
-Monitor

Installation
-Download from link below
-Install on a standard 3.44 Floppy Disk using RawWrite (Windows), DD (*nix/Linux/BSD) or some other equivalent program. It can be written to a bootable CD such as Nero, but I wouldn't want anyone to do so unless it is a CD-RW (no loss, this test isn't worth wasting a CD-R over).

Outlook
-Keep releasing this test version until Memory Management Initialization Bugs are fixed
-Implement (enable) Memory Management capability
-Implement basic Process Management capability
-Design a few more hard-coded commands and loadable programs

Download Link
-----> http://www.dynatos.org/project/dynatos-20060914.bin <-----

bubach · Post by **bubach** » Thu Sep 14, 2006 11:30 am

It didn't crash or anything on the machine I'm on right now.

"mem" output:

Total memory: 204784 kb
Physical memory: 195200 kb
Available memory 195004 kb

/ Christoffer

SpooK · Post by **SpooK** » Thu Sep 14, 2006 12:31 pm

Good news. There have been misc. issues with other people's tests, all leading to A20/IRQ1 issues to be resolved.

Is it accurate that you have about 200MB of RAM installed? If so, that is the 5th confirmation that the Memory Management Initialization works as designed

Thanks for testing and your feedback, bubach.

bubach · Post by **bubach** » Thu Sep 14, 2006 1:14 pm

hmm, i would have thought that it was 256mb... :S maybe some of it isn't usable. anyway, i don't have access to that computer right now, so i can't double check.

SpooK · Post by **SpooK** » Thu Sep 14, 2006 2:16 pm

Shared Video RAM perhaps?