Subject: Re: BSD needs BIOS?
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Grant Stockly <gussie@stockly.com>
List: port-i386
Date: 08/04/1999 02:12:43
>On Tue, Aug 03, 1999 at 10:56:16AM -0800, Grant Stockly wrote:
>> If I program my own bootloader for the bsd kernel do I still need PC BIOS?
>>
>> Does netbSD use the BIOS for anything besides INT19 (I think thats the boot
>> INT).
>>
>> If so, I think I'll just make a bootloader that only does BSD kernels. :)
>
>The BIOS still needs to set the hardware up, especially PCI devices
>(initialising PCI bridges, allocating I/O or memory space and IRQ to
>devices, routing IRQ). This is something the NetBSD kernel doesn't do
>(see what happens when some BIOSes have 'PnP OS' set :)
So basically I should rewrite all the drivers I plan to use? Then put them
into a patch so that others can make the kernel?
I don't want any BIOS on this thing. But, I will know the exact hardware
configuration when compiling...so would that save time?
Grant