coreboot January 2003

coreboot@coreboot.org

63 participants
95 discussions

Re: Booting from floppy
by Big Pilot 10 Jan '03

10 Jan '03

So there are two issues: a) DOS isn't supported and b) the floppy as a boot device isn't supported. That will make it a very difficult sell for mobo manufacturers. Can you imagine me buying a Linux PC with LinuxBIOS and it crashing. How am I going to repair it then? ----- Original Message ----- From: Adam Sulmicki <adam(a)cfar.umd.edu> Date: Fri, 6 Dec 2002 12:50:07 -0500 (EST) To: "Ronald G. Minnich" <rminnich(a)lanl.gov> Subject: Re: Booting from floppy > > > the u. md. guys will chime in here with an explanation :-) > > I'm trying to use it as the opportunity to improve the FAQ :-) > > From what I saw during the coverage of announcement there were quite a bit > of folks unfamilar with the BIOS projects, an and this FAQ hopes to clear > up the confusion. > > http://www.eax.com/ADLO-FAQ.html > > Big Pilot, if I may call you that, does this FAQ answers tose questions? > The way I see, the part below is answered by Q5. Since I assume you are > asking about LinuxBIOS. If you are really asking about linux kernel, then > it is definitely wrong mailing list. > > > > if Linux fails, how is one supposed to repair it? Or is the only > > > option booting Linux off a floppy and repairing using that? > > > > > I'm wondering whether it is still possible to boot DOS (or a free > > > equivalent) from a floppy if LinuxBIOS is installed on the mobo. > > As for above. We had limited success with Win98 which is DOS based (we can > get as far as desktop screen, but there are issues), but as the Q6 says it > is still long way to go. > > As for the particular susbsystem -- floppy, it has not been tested at all, > and is presumed not working at the moment. > > -- > Adam Sulmicki > http://www.eax.com The Supreme Headquarters of the 32 bit registers > > > -- ______________________________________________ http://www.linuxmail.org/ Now with POP3/IMAP access for only US$19.95/yr Powered by Outblaze

8 16

FreeBSD/LinuxBIOS coupling document
by Bruce M Simpson 10 Jan '03

10 Jan '03

Terry, If you could get a chance to review the document below or pass it on to the appropriate party that would be great. (I believe you were the one who asked for it originally?) > > I have done this work. The results can be seen at: > > > > http://www.incunabulum.com/code/projects/freebsd/freebsd-bios-interaction.t… > > > > I have also rewritten boot0.s to use the BIOS COM Port Services (INT 14h): > > > > http://www.incunabulum.com/code/projects/freebsd/boot0sio.s > > BMS

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VIA EPIA questions
by Nathanael Noblet 10 Jan '03

10 Jan '03

So I've been following the developments of this board a little. If I'm not mistaken, the board now works right? If that is the case then I only have a few questions. I have a project where it would be nice to not have to get LinuxBIOS working on our own boards (which we are in the process of doing). Though we need a flash root directory, I guess I can have a CF in an IDE connector but was hoping that with this board it was possible to use a DoC type solution. Is it? -- Nathanael Noblet Gnat Solutions 4604 Monterey Ave NW Calgary, AB T3B 5K4 T/F 403.288.5360 C 403.809.5368 http://www.gnat.ca/

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buying linuxbios boards
by Vincent Touquet 10 Jan '03

10 Jan '03

I found some on cwlinux.com, any others ? regards, Vincent

1 0

Intel Clearwater motherboard.
by Yaroslav Klyukin 10 Jan '03

10 Jan '03

Hello everybody! I have just subscribed to this mailing list. I am new to linuxbios and this project seems to have good prospectives. I have just built romimage for Intel Clearwater motherboard and tried to flash it into the bios, but Intel flash utility (phlash) refused to do that. I failed to find any procedure or documentation for this motherboard on how to make this motherboard work with linuxbios. All i have right now is sources, which i have been examining during the past several days. They seem to compile ok, so i want to flash at this point. I know that common practice is to use disk on chip, but this motherboard has zif flash socket instead of dip one. Please, tell me how to flash romimage into flash. Thank you in advance. Yaroslav Klyukin, Linux Systems Administrator - slava(a)microway.com Microway Inc., High Performance Computing - http://www.microway.com/

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Re: are there problems with this email? - what is a disc on chip? - beginner's question
by Antony Stone 10 Jan '03

10 Jan '03

On Wednesday 08 January 2003 9:37 pm, Alessio Sangalli wrote: > what about that disc on chip device: how much does it cost more or less? In the UK they cost about GBP20 - so I guess that's about EUR30 / USD30 in the rest of the world... > Why can't we use a normal FLASH memory like the ones used to store a > standard BIOS? Because they do not have a large enough capacity. Standard BIOS chips are 2megabits (= 32 kilobytes), which is not neough to hold a Linux kernel. > I can think those chips provide particular features, but > which ones exactly? The main thing which DoC does which you can't do with standard Flash Roms is to format them as a Silicon Disc, and put a file system into them. > Aren't common flash/eeprom chips much easier to find > and cheaper to buy? Yes, but they're too small. > An external programmer could be needed (like for the > eproms of etherboot) but most people could have access to such a device. You can program a Flash Rom chip on your motherboard - no external programmer needed - that's how you upgrade the BIOS even if you're not doing anything with LinuxBIOS. Antony. -- If you want to be happy for an hour, get drunk. If you want to be happy for a year, get married. If you want to be happy for a lifetime, get a garden.

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Via EPIA frame buffer stuff
by Amaury Jacquot 10 Jan '03

10 Jan '03

dunno if this would be useful in any way, but there is some available code here http://epiafb.sourceforge.net/ Sincerely Amaury

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current status of the Via EPIA
by Amaury Jacquot 10 Jan '03

10 Jan '03

Hi, I own a via EPIA mobo that I use for GPS/music playing in my car. It currently takes about 50 seconds to boot into my program http://sxpert.esitcom.org/projects/navsys/ I am wondering if linux bios would help me in accelerating the boot time Sincerely Amaury

3 2

linuxbios binaries
by Alessio Sangalli 10 Jan '03

10 Jan '03

Hi, I was wondering if there were avaiable prepackaged binaries for Linuxbios ROMs. I don't want rpm of course (!) but I think that a linuxbios image configured to boot from hda(1?) for a specific motherboard (the pcchips one seems to be quite popular) may be very useful; perhaps there are many configuration parameters, but I guess resoanable defaults can be set and one would recompile everything only if specific customizations are needed. bye, thank you as

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RE: Boot from etherboot - blocked by INT 10
by Lawrence LL. Dai 09 Jan '03

09 Jan '03

Thanks a lot! I will try it! :) Lawrence -----Original Message----- From: Eric W. Biederman [mailto:ebiederman@lnxi.com] Sent: 2003?1?10? 15:38 To: LinuxBIOS Cc: Lawrence LL. Dai Subject: Re: Boot from etherboot - blocked by INT 10 "Lawrence LL. Dai" <lawrence(a)tyanchina.com> writes: > Hi, Eric > > I suppose that mknbi and mkelf would also cause this problem.Because > they both tag a kernel, but the kernel must be the one like vmlinuz and vmlinux > needs BIOS functions such as INT 10. (I know vmlinux does not need INT X, but > vmlinux can not be tagged by mknbi and mkelf. Or I have missed something else?) The difference is mknbi/mkelf that come standard with etherboot when the process the linux kernel start the kernel in 16bit mode and run it's BIOS code, mkelfImage simulates the effect of the 16bit BIOS code by reading LinuxBIOS tables or making the needed BIOS calls itself, and then it enters Linux at it's unofficial 32bit entry point. mkelfImage can take either a bzImage or a vmlinux. Eric

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coreboot January 2003