Date: Wed, 23 May 2007 12:14:31 +0200 From: "Die Gestalt" <die.gestalt@gmail.com> To: freebsd-drivers@freebsd.org Subject: Re: Generic int 13h driver Message-ID: <5bf3e10d0705230314w3038a532uf0d8c0ed18a5d05f@mail.gmail.com> In-Reply-To: <863b1nvqqa.fsf@dwp.des.no> References: <5bf3e10d0705150724q3f0fd25fq89094bd02d8f9d29@mail.gmail.com> <86veetgnk4.fsf@dwp.des.no> <5bf3e10d0705210744s119d1c5cpc20ab1036e9f98ff@mail.gmail.com> <5bf3e10d0705221130t222b80b5w64a4e446b04d6029@mail.gmail.com> <863b1nvqqa.fsf@dwp.des.no>
index | next in thread | previous in thread | raw e-mail
On 5/23/07, Dag-Erling Smørgrav <des@des.no> wrote: > > > Use PIO mode (no IRQs). It's slower, but using the BIOS is so slow you > probably won't notice anyway... > > Otherwise you need to install an interrupt handler which will catch IRQ > 14 and pass it on to the BIOS. I cannot decide if PIO will be used or not, since for SCSI devices (for example) I don't think there is a PIO mode... I also would prefer not to depend on the configuration of the BIOS. So I will have to write an interrupt handler that catches the IRQ14, has got the address of the IRQ14 handler of the BIOS, run this handler in the VM86, and pray The Great Sysop? :phome | help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5bf3e10d0705230314w3038a532uf0d8c0ed18a5d05f>