Linked by Thom Holwerda on Tue 27th Aug 2013 21:05 UTC, submitted by andymc
OSNews, Generic OSes A new release of Visopsys.

This release consists of hardware support updates and bugfixes, with particular focus on USB. Support for USB 2 controllers and devices has been added.

More details in the changelog.

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by christian on Sat 31st Aug 2013 20:20 UTC in reply to "USB"
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USB is really difficult -- so many controllers and , actually, it requires adapting to different keyboards and mice. There's a boot-mode for keyboards and mice.

Yuck. I could not shoot the moon. There is really not much gained by USB instead of PS/2 legacy. Memory cards would be really really nice, however.

I may be being naive here, but isn't it:

- EHCI (USB 2)
- XHCI (USB 3)

Once you have the PCI id matched to the controller interface type, the registers are laid out for you by the USB standard.

If I was doing an OS from scratch, USB is the first place I'd start.

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