[LinuxBIOS] [PATCH][RFC] PCBIOS legacy tables

Stefan Reinauer stepan at coresystems.de
Tue Aug 21 10:10:51 CEST 2007

* Peter Stuge <peter at stuge.se> [070821 02:44]:
> On Mon, Aug 20, 2007 at 08:29:16PM +0200, Patrick Georgi wrote:
> > +	*(u32*)(0x400)=TTYSx_BASE;
> It's actually an u16 per port.

Hah. you gotta love little endian :-)

> I don't like where this is going.

I agree that this needs to be done a little more generic, and we want to
capsulate it in a seperate function.

> I don't want LB to be BIOS-compatible, I think that would be a
> regression.

This is not BIOS compatibility. It is broken OS compatibility.

In the specific grub2 case we could possibly fix this in the grub code

term/i386/pc/serial.c: serial_hw_get_port (const unsigned short unit)
might indeed read the lbtable rather than 0x400 in case it is running on


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