Re: [OpenBIOS] Solaris anyone?

[Mark Cave-Ayland]

On 27/04/11 17:31, Artyom Tarasenko wrote:
> After a bit experimenting it turend out that I was wrong about
> synchronous. This seems to be the problem.
> The comment in the OpenSolaris esp driver
> http://src.opensolaris.org/source/xref/xen-gate/onnv-3.4/usr/src/uts/sun/io/...
> also explains one reason why:
>
> /*
> Set up to send synch. negotiating message.  This is getting
> a bit tricky as we dma out the identify message and
> send the other messages via the fifo buffer.
>
> */
>
> Looks like the qemu esp doesn't support mixing dma/fifo messages.

(cut)
> This seems to be necessary too because the OpenSolaris driver seems to
> use at least two tags:
>
> esp->e_cur_msgout[i++] = sp->cmd_tag[0];
> esp->e_cur_msgout[i++] = sp->cmd_tag[1];

Nice detective work! Is a fix for this particularly easy to create, or 
would my patch be the best short term fix?

ATB,

Mark.