[OpenBIOS] b?branch

[Jd Lyons]

> On Dec 29, 2017, at 8:27 PM, Tarl Neustaedter <tarl-b2 at tarl.net> wrote:
> 
> [re-send, copying the list. For whatever reason, it seems messages aren't getting the reply-to: header.]
> 
> On 2017-Dec-29 03:58 , Jd Lyons wrote:
>> 0 > " /pci/@e" open-dev to my-self  ok
>> 0 > my-self . 5fc5ac34  ok
>> 0 > my-parent . 5fc5abfc  ok
>> 0 > my-space . 0  ok <<---Seems my-space isn't returning a correct value?
>> 0 > 
>> 
> That's the problem. It appears that simply open-dev and assigning
> my-self isn't enough. my-space (and my-address and my-unit) aren't
> getting set up, so all config-space accesses are going to do the wrong
> thing (they'll go to device 0, which may or may not be the root).
> 
> In the Sun/Oracle version, select would properly set things up, it
> appears no equivalent is available under openbios.
> 
> I think you'll have to further debug this by getting the FCode to be
> pulled in at startup in place of the built-in vga fcode, rather than
> trying to fiddle things this way.
> 
Thanks Tarl, SLOF has some code for probing Option Roms, I’ll have to see if it’s anything I can use to hack this together.

I appreciate everyone taking the time to help me with this, just something to pass the time.




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