Framebuffer in OpenBSD

the sourcecode for the framebuffer driver of FreeBSD and Linux, but I don't know how to integrate it in OpenBSD. I read that OpenBSD has no framebuffer at all. How could I get output from the Kernel? The Xbox has no serial port... just USB and Ethernet. Markus Ritzer

Memory and pmap

function init386() in machdep.c. Is there an equivalent struct in OpenBSD to FreeBSD's physmap ? Thank you in advance, Markus Ritzer

Writing Device Drivers Dokumentation

Hello! I would like to write a framebuffer driver for OpenBSD (for the MS Xbox platform). Where can I find documentation about writing OpenBSD drivers in general or especially for framebuffers? Thanks in advance, Markus Ritzer

I386: Real Mode vs. Protected Mode

Hello! I would like to know when the CPU is switched into protected mode on i386? Before or after executing init386() ? Or does the bootloader / or the BIOS do this? Markus

Re: Framebuffer in OpenBSD

Hi! I'm still working on my framebuffer driver for the Xbox. Now I know that I just have to map 4MB of memory and access it, but I don't know how to implement this in a good way. A few lines from my driver (that doesn't show anything on the the until now): struct xboxfb_softc { struct

bus_space_map on i386

Hello! I would like to use bus_space_map for writing a framebuffer driver (on i386). I've read the manpage, which sais the 4th argument of the function is the "cacheable" argument. I would like to use BUS_SPACE_MAP_LINEAR. But that doesn't seem to be defined on i386 (it's the same with BUS_SPA

Architecture of console/terminal drivers

Hello! I would like to write a console driver for the Xbox port of OpenBSD. I have a framebuffer driver that can draw pixels, characters and strings on the screen, but I don't know how to implement a real console driver. I'm not even sure about the terms console, terminal, wscons, vcons. Is

Announcement: OpenBSD Port to the MS Xbox

Hello! My name is Markus Ritzer and I have started a project (mainly for university): "Porting OpenBSD to the Xbox" There is a homepage about the project, you can always check the current status there. It is a project at university, which has to be done since September 2007. So

Re: nfe0 problem (obsd 4.1)

ow if this will solve your problem. Markus Ritzer

Project complete: Porting OpenBSD to the Xbox

elp! Regards, Markus Ritzer