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[FAQ] The Open Source Stackable PC BIOS
by Adam Sulmicki 09 Dec '02

09 Dec '02

Hello, I have updated the FAQ with various comments from "Booting from floppy" thread. Comments on FAQ welcome. http://www.eax.com/ADLO-FAQ.html This FAQ does not intend to duplicate LinuxBIOS FAQ but rather give a bird view of the various BIOS projects and give someone new to the BIOS projects better idea what's it about and why someone would want to do this. In this release: new question * Q10: What is what? heavily updated * Q3: So is this accomplishment just art for art's sake? updated question * Q6: So when can I expect to see it in commerical motherboards? -- Adam Sulmicki http://www.eax.com The Supreme Headquarters of the 32 bit registers

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Fast starts...
by Nathanael Noblet 09 Dec '02

09 Dec '02

Hello, I've been following the discussion on the "Booting from floppy" thread. Someone said that there are better ways to get fast starts, like the DoC and CF IDE and what not. I'm still thinking that you're going to be waiting for the typical BIOS to run its course. So what were they referring to? something like XIP type CF or what? -- 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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more fun with gcc 3.2
by Ronald G. Minnich 09 Dec '02

09 Dec '02

I just fixed ANOTHER PIRQ problem with gcc 3.2 Erik Hendriks has been pointing out to me that this usage of [] looks shaky, and my reaction was "Yeah, but I don't want to fix it" and also "Yeah, but it's in C99!". So I hoped not to have to fix it -- it's supposed to work. Well, now I've had to. Gcc was generating bad code for the PIRQ table for this one case. The symptom was that it failed to put in the first intializer for the slots. Then everything else went to pieces. So I have made the following changes to the pirq_routing.h file: If IRQ_SLOT_COUNT is defined, then slots are declared as follows: struct irq_info slots[IRQ_SLOT_COUNT]; otherwise it reverts to the original declaration for GCC 2.0: struct irq_info slots[0]; And for 3.0 you get the C99 version: struct irq_info slots[]; To use this, you set the IRQ_SLOT_COUNT. SO, for example, in the mainboard irq_tables.c for the supermicro p4dpr: #define IRQ_SLOT_COUNT 24 #include <arch.pirq_routing.h> Then, down below, have exactly that many struct initializations. Less magic, less bugs, more happy users :-) ron p.s. Erik and Greg, I don't want to hear it :-) Yeah, yeah, yeah, you're right :-)

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pci_ids.h
by Ronald G. Minnich 09 Dec '02

09 Dec '02

I have merged in the latest 2.4.19 pci_ids.h with the linuxbios version. In the process I found they have changed and deleted some names. I have put the linuxbios-specific names at the end of the file bracketed by a comment pair to show they are linuxbios-specific. Your builds should be fine. If they break due to a problem with pci_ids.h please let me know. I needed to update for some newer chips that were not in the linuxbios pci_ids.h. thanks ron

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problem in gunzip kernel!
by Terry B. Chen 09 Dec '02

09 Dec '02

I met problem in gunzip my linux kernel: The message in serial console is : January 2000, James Hendricks, Dale Webster, and Ron Minnich. Version 0.1 203:init_bytes() - zkernel_start:0xfff80000 zkernel_mask:0x0000ffff Searching for 16 byte tags 64:rom_read_bytes() - overflowed source buffer. max_block = 7 init_bytes found 0 tags Gunzip setup gunzip_setup output data is 0x00100000 Gunzipping boot code bad gzip magic numbers I think we may have error in zkernel_start address or there is a Tag in linux kernel we must do something? Best Regards Terry Chen

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Build failure!
by Russell Gower 09 Dec '02

09 Dec '02

After cvs updating this afternoon, i'm now unable to build the winfast-flash.config it fails with the attached error. I suspect this could be todo with the modification made for gcc 3. or i might be completely wrong. I would appreciate some help with this one. Also is there an example of what i need to do to boot from IDE. Thanks Russell ICQ 4186920

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gcc 2.96 != gcc 2.96
by Ronald G. Minnich 08 Dec '02

08 Dec '02

gcc 2.96 on redhat 8.0 compiles linuxbios just fine. gcc 2.96 on redhat 7.3 gets an error on that pirq change I made recently. I have now put in, tested, and committed the following patch, let me know if this helps: #if GCC_VERSION < 3000 struct irq_info slots[1]; #else struct irq_info slots[]; #endif Compiles now on my redhat 7.3 ron

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RE: Booting from floppy
by Phil Brooks 06 Dec '02

06 Dec '02

We are interested in using LinuxBIOS on our medical system, running the Digital Logic P5 PC-104 SBC. After reading these posts, and scanning the FAQ, I am confused about boot methods: Will LinuxBIOS work on a stand-alone system with a EIDE disk? If floppy boot won't be supported, can it boot from cdrom? Thanks very much, Phil Brooks Phil Brooks - Software Engineer Olympic Medical 206-268-5119 philb(a)olymed.com -----Original Message----- From: Ronald G. Minnich [mailto:rminnich@lanl.gov] Sent: Friday, December 06, 2002 2:21 PM To: Big Pilot Cc: adam(a)cfar.umd.edu; linuxbios(a)clustermatic.org Subject: Re: Booting from floppy On Fri, 6 Dec 2002, Big Pilot wrote: > > 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? floppies are dead. What's wrong with a cdrom boot? ron _______________________________________________ Linuxbios mailing list Linuxbios(a)clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios

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Booting from floppy
by Big Pilot 06 Dec '02

06 Dec '02

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. Also, if Linux fails, how is one supposed to repair it? Or is the only option booting Linux off a floppy and repairing using that? -- ______________________________________________ http://www.linuxmail.org/ Now with POP3/IMAP access for only US$19.95/yr Powered by Outblaze

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Re: VIA EPIA - Status
by Andrew Ip 06 Dec '02

06 Dec '02

Oliver, > i just want to check, what is the status of the epia port? AFAIK, Kelvin has fixed the irq problem by changing IDE mode, and he will send a patch to us once he has cleaned up the code. I'll also look into it again some time next week. -Andrew -- Andrew Ip Email: aip(a)cwlinux.com Tel: (852) 2542 2046 Fax: (852) 2542 2036 Mobile: (852) 9201 9866 Cwlinux Limited Unit 202B 2/F Lai Cheong Factory Building, 479-479A Castle Peak Road, Lai Chi Kok, Kowloon, Hong Kong. Tel: (852)2542 2046 Fax: (852)2542 2036 For public pgp key, please obtain it from http://www.keyserver.net/en.

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