They are incredibly useful, which is why they are still there. That first post-bist code has been there since the first code in 1999.
If you have jtag, it still helps. But many BMC also have ways to see port 80 writes. You can see it before PCI is up. On Mon, Jul 11, 2022 at 8:00 AM Pedro Erencia <[email protected]> wrote: > > I've noticed that POST codes are sent very early. In x86 the first code is > sent just after storing the bist. > Are codes sent so early useful? They are sent ages before any PCI > configuration. Is there any guarantee of them reaching a PCI POST card? > _______________________________________________ > coreboot mailing list -- [email protected] > To unsubscribe send an email to [email protected] _______________________________________________ coreboot mailing list -- [email protected] To unsubscribe send an email to [email protected]
