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I’ve been making a little toy operating system for the 8086 in the last few days. Now that was a lot of fun!
I don’t plan on making that code public. This is purely a learning project for myself. I think going for real-mode 8086 + BIOS is a good idea as a *first step*. I am well aware that this isn’t going anywhere – but now I’ve gained some experience and learned a ton of stuff, so maybe 32 bit or even 64 bit mode might be doable in the future? We’ll see.
It provides a syscall interface, can launch processes, read/write files (in a very simple filesystem).
Here’s a video where I run it natively on my old Dell Inspiron 6400 laptop (and Warp 3 later in the video, because why not):
https://movq.de/v/893daaa548/los86-p133-warp3.mp4
(Sorry for the skewed video. It’s a glossy display and super hard to film this.)
It starts with the laptop’s boot menu and then boots into the kernel and launches a shell as PID 1. From there, I can launch other processes (anything I enter is a new process, except for the exit at the end) and they return the shell afterwards.
And a screenshot running in QEMU:
I’ve been making a little toy operating system for the 8086 in the last few days. Now that was a lot of fun!
I don’t plan on making that code public. This is purely a learning project for myself. I think going for real-mode 8086 + BIOS is a good idea as a *first step*. I am well aware that this isn’t going anywhere – but now I’ve gained some experience and learned a ton of stuff, so maybe 32 bit or even 64 bit mode might be doable in the future? We’ll see.
It provides a syscall interface, can launch processes, read/write files (in a very simple filesystem).
Here’s a video where I run it natively on my old Dell Inspiron 6400 laptop (and Warp 3 later in the video, because why not):
https://movq.de/v/893daaa548/los86-p133-warp3.mp4
(Sorry for the skewed video. It’s a glossy display and super hard to film this.)
It starts with the laptop’s boot menu and then boots into the kernel and launches a shell as PID 1. From there, I can launch other processes (anything I enter is a new process, except for the exit at the end) and they return the shell afterwards.
And a screenshot running in QEMU:
I’ve been making a little toy operating system for the 8086 in the last few days. Now that was a lot of fun!
I don’t plan on making that code public. This is purely a learning project for myself. I think going for real-mode 8086 + BIOS is a good idea as a *first step*. I am well aware that this isn’t going anywhere – but now I’ve gained some experience and learned a ton of stuff, so maybe 32 bit or even 64 bit mode might be doable in the future? We’ll see.
It provides a syscall interface, can launch processes, read/write files (in a very simple filesystem).
Here’s a video where I run it natively on my old Dell Inspiron 6400 laptop (and Warp 3 later in the video, because why not):
https://movq.de/v/893daaa548/los86-p133-warp3.mp4
(Sorry for the skewed video. It’s a glossy display and super hard to film this.)
It starts with the laptop’s boot menu and then boots into the kernel and launches a shell as PID 1. From there, I can launch other processes (anything I enter is a new process, except for the exit at the end) and they return the shell afterwards.
And a screenshot running in QEMU:
I’ve been making a little toy operating system for the 8086 in the last few days. Now that was a lot of fun!
I don’t plan on making that code public. This is purely a learning project for myself. I think going for real-mode 8086 + BIOS is a good idea as a *first step*. I am well aware that this isn’t going anywhere – but now I’ve gained some experience and learned a ton of stuff, so maybe 32 bit or even 64 bit mode might be doable in the future? We’ll see.
It provides a syscall interface, can launch processes, read/write files (in a very simple filesystem).
Here’s a video where I run it natively on my old Dell Inspiron 6400 laptop (and Warp 3 later in the video, because why not):
https://movq.de/v/893daaa548/los86-p133-warp3.mp4
(Sorry for the skewed video. It’s a glossy display and super hard to film this.)
It starts with the laptop’s boot menu and then boots into the kernel and launches a shell as PID 1. From there, I can launch other processes (anything I enter is a new process, except for the exit at the end) and they return the shell afterwards.
And a screenshot running in QEMU:
@movq That is so insanely cool! 😎
@movq That is so insanely cool! 😎
@prologic 😃 It surely was/is one of the most fun projects recently.
@prologic 😃 It surely was/is one of the most fun projects recently.
@prologic 😃 It surely was/is one of the most fun projects recently.
@prologic 😃 It surely was/is one of the most fun projects recently.
Improving the filesystem is probably going to be the next big task. I don’t know *that much* about this stuff, so I’ll have to learn a lot. 🥴
Improving the filesystem is probably going to be the next big task. I don’t know *that much* about this stuff, so I’ll have to learn a lot. 🥴
Improving the filesystem is probably going to be the next big task. I don’t know *that much* about this stuff, so I’ll have to learn a lot. 🥴
Improving the filesystem is probably going to be the next big task. I don’t know *that much* about this stuff, so I’ll have to learn a lot. 🥴
> I don’t plan on making that code public. This is purely a learning project for myself.
So, just a hobby. It won't be big and professional like GNU, then?
Seriously, that's very cool. I wish my bootloader was that excited about a successful boot.
@mckinley
> So, just a hobby. It won't be big and professional like GNU, then?
Ha! 😅 No, that certainly won’t happen this time. 🥴
(What an exciting time that was when there were *new* operating systems. 🤔)
@mckinley
> So, just a hobby. It won't be big and professional like GNU, then?
Ha! 😅 No, that certainly won’t happen this time. 🥴
(What an exciting time that was when there were *new* operating systems. 🤔)
@mckinley
> So, just a hobby. It won't be big and professional like GNU, then?
Ha! 😅 No, that certainly won’t happen this time. 🥴
(What an exciting time that was when there were *new* operating systems. 🤔)
@mckinley
> So, just a hobby. It won't be big and professional like GNU, then?
Ha! 😅 No, that certainly won’t happen this time. 🥴
(What an exciting time that was when there were *new* operating systems. 🤔)
@movq Oh, a movqOS, that's super cool! :-)
Yeah, glossy screens are straight from hell. :-D What's this spooky wind chime background music?
Anyway, have great fun learning more and experimenting with this low level stuff!
@movq Hahaha, no worries. :-)