[syslinux] ethersel.c32 issues

[H. Peter Anvin]

Alexander Heinz wrote:
>> I have added several printf's to ethersel.c including one after the line
>> did = pci_readl(a);
>>
>> I have added
>> printf("found: DID %08x\n", did);
>>
>> and I get a lot of lines like
>> found: DID ffffffff
> 
> I forgot to tell that this applies to VMWARE.
> 

0xffffffff means empty slot.

> I have also tested it with a real PC that fails with ethersel and there 
> are a lot of "found: DID ffffffff" lines but the output also includes 
> some with "found: DID 00000124".
> Everytime the line "found: DID 00000124" shows up, (hdrtype & 0x7f) is 
> true.

Interesting.  First of all, 0x00000124 is an invalid DID.  Second of 
all, hdrtype & 0x7f should be zero for most devices (the only exception 
is PCI bridges.)

Can you tell what __pci_cfg_type gets set to?

	-hpa