[SeaBIOS] PXE boot ROM question
jonathansturges at yahoo.com
Wed Nov 13 00:58:55 CET 2013
And sorry for the late reply to this, as I've only been working on it sporadically.
I haven't made much progress. I've had a few issues getting an updated SeaBIOS installed as a payload. There are only 2 selections for SeaBIOS in coreboot's menuconfig: 22.214.171.124 and "master." I selected "master" this time and seem to get version "rel-1.7.3-91-gc21dce3-20131004_231309", which looks like it's from early October. However, same results with this release. Should 1.7.3 be good enough?
I next checked out and built a separate SeaBIOS ELF image, so I could have the absolute latest SeaBIOS AND set debug to 8 (Coreboot doesn't seem to have the SeaBIOS debug level available via menuconfig). But, I've been unable to get Coreboot to build if I select an ELF payload via menuconfig and supply the path to my bios.bin.elf; it only builds when selecting SeaBIOS as the payload directly via menuconfig.
As for F12… I got nothing when I did this, so I imagine I need to try a different terminal emulator; I was using PuTTY on Win7. I'll try some different emulators and post what I find.
On Tuesday, October 29, 2013 6:58 PM, Kevin O'Connor <kevin at koconnor.net> wrote:
On Tue, Oct 29, 2013 at 01:20:38PM -0700, Jonathan Sturges wrote:
>> I'm in the process of dusting off an old Geode GX1 thin client I
>> have and upgrading it to coreboot v4. I had no problem building a
>> new coreboot image (v4 is SO much easier than v2), but I'm having an
>> issue with SeaBIOS and option ROMs. Since this is my first time
>> working with SeaBIOS, I need a bit of help to bring this together.
>> I built a PXE ROM for the onboard NIC, which is a NatSemi DP83815
>> (DEV/DID 100b/0020). I've tried both an iPXE image built from
>> scratch, as well as a GPXE ROM from rom-o-matic. I added the ROM
>> with cbfstool as documented at coreboot.org, and also added a
>> bootorder file that lists the NIC first. However, when SeaBIOS
>> calls the ROM, nothing seems to happen. See below, where it tries
>> to boot from the ROM but fails almost immediately. It boots
>> successfully from the local disk after the ROM returns. Any
>> pointers as to what the issue is are appreciated.
>I don't see anything in the log that indicates a problem. I suggest
>you recompile seabios with a debug level of 8 to get more info. Also,
>please grab the latest version of seabios. Finally, what does the
>boot menu show if you hit F12 during boot?
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