From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <818c01eca2880742b4a56e87bc863a99@terzarima.net> From: Charles Forsyth Date: Tue, 12 Dec 2006 09:22:44 +0000 To: 9fans@cse.psu.edu Subject: Re: Again: (self)hosted Plan9? Was: [9fans] extending xen to allow In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: f0eb64da-ead1-11e9-9d60-3106f5b1d025 >> - writing drivers sucks. it's not a big problem in itself. i quite enjoy it for the reasonably well-documented chipsets one finds in (say) embedded ARM and PowerPC platforms. for those, i hardly ever bother to look at another driver. it's just so straightforward. i look at the book and do what it says. it doesn't work, so i find there's an errrata or fuss about discovering that a bit has the opposite sense from what's documented. no matter. on the PC, it's rather more troublesome: when i could get reasonable documentation it was much the same as anything else. without it, it's tedious, and perhaps too time-consuming if i'm doing it in my spare time. theo de raadt's slides were quite a good summary. still, there's not much choice, really.