Re: serial debug patch for ADLO

[bendany]

hi,all.
I have got the serial patch, and test it.  but still have problem.
my mainboard is k7sem ver3.0c
here is some output message:
---------------------------------------------------
Searching for server (DHCP)...
...Me: 192.168.0.40, Server: 192.168.0.38, Gateway 192.168.0.250
Loading 192.168.0.38:/var/tftpboot/kernel ...(ELF)...
............................................................................
................done
 rombios.c,v 1.1 2002/11/25 02:07:53 rminnich Exp $
FATAL: Keyboard RESET error:31
FATAL: Keyboard RESET error:994
FATAL: Keyboard RESET error:995
FATAL: Keyboard RESET error:996
*** int 15h function AX=F401, BX=0005 not yet supported!
Bochs BIOS, 1 cpu, $Revision: 1.1 $ $Date: 2002/11/25 02:07:53 $
[BOCHS BIOS VER:1.79]
[COMPILE DATE:Apr 20 2003 TIME:15:00:19]

DEVICE:0
ata0 master: PCHS=16383/16/63 translation=lba LCHS=1024/255/63
ata0 master: IBM-DTLA-307030 ATA-5 Hard-Disk (29314 MBytes)

PCI BIOS function 0x01
---------------------------------------------------
and the screen can show some strange character, sometimes are part of
original BIOS message.
I think the bochs BIOS has run.
any tips?  thanks!

----- Original Message -----
From: "Adam Sulmicki" 
To: "Gregg C Levine" 
Cc: "Linuxbios" 
Sent: Saturday, April 19, 2003 9:15 AM
Subject: RE: serial debug patch for ADLO
> mostly yes, this is why he was able to get serial boot in just several
> hours of work.
>
> the major quirks were that he needed to code up the patch for serial
> output for bochs to see what's going on. then reconfigure lilo for serial
> output. Then to the same with linux.
>
> another issue was that while VIA EPIA-M has 128mb ram, upper 32 mb are
> revered for video. thus E820 map had to be modifed so that it shows 96mb
> of ram instead of 128mb to linux.
>
> i think that's about it.
>
> On Sat, 19 Apr 2003, Gregg C Levine wrote:
> > Hello from Gregg C Levine
> > So I gathered from his earlier posts on this subject, and about that
> > board specifically. But Adam, isn't ADLO board agnostic? By that I
> > mean, that it does not need to know what motherboard it is being used
> > on, unlike basic Linux BIOS. But, I am indeed watching this with
> > interest.
> > Gregg C Levine [e-mail]
> >
> > "The Force will be with you...Always." Obi-Wan Kenobi
> > "Use the Force, Luke."?Obi-Wan Kenobi
> > (This company dedicates this E-Mail to General Obi-Wan Kenobi )
> > (This company dedicates this E-Mail to Master Yoda )
> > > -----Original Message-----
> > > From: [e-mail] [mailto:linuxbios-
> > > [e-mail]] On Behalf Of Adam Sulmicki
> > > Sent: Saturday, April 19, 2003 11:32 AM
> > > To: [e-mail]
> > > Cc: [e-mail]
> > > Subject: Re: serial debug patch for ADLO
> > >
> > > to clarify. He's been working on getting ADLO running on EPIA-M.
> > >
> > > He's been pretty succesfull so far.
> > >
> > > Using serial console he's got both lilo and linux to boot using
> >
> > ADLO, so
> > > that you can use them pretty much "out of box" as long as you don't
> >
> > need
> > > video. However from what I heard you can get video once boot is done
> >
> > and
> > > you run some video program (TinyX Xvesa here).
> > >
> > > As far as video goes, on cold-reboot he's getting :
> > >
> > > Then, screen is blinkering with various color, but I can't see
> >
> > any
> > > text.
> > >
> > > As far as video goes, on warm-reboot (after booting with original PC
> >
> > BIOS)
> > > he's getting :
> > >
> > > If I first booted from original bios and reset with linuxbios
> > > adlo, I can see text messages of original bios remained.
> > >
> > > ideas on how to attack the issue?
> > >
> > > Overall I would say that anyone who want to try get ADLO to work
> >
> > should
> > > start with serial console and leave VIDEO to the end given
> >
> > difficulty
> > > debugging binary-only module.
> > >
> > > Another good idea is to try warm-boot from PC BIOS into ADLO at
> >
> > beginning
> > > of development/work on ADLO. It leaves you with somewhat functioning
> > > video-bios (or fully-functioning as it was for me).
> > >
> > > On Sun, 20 Apr 2003 [e-mail] wrote:
> > > > Hello,
> > > >
> > > > I made a patch which make all bochs debug message can be seen from
> >
> > serial
> > > > terminal.
> > > > I think it might be useful if you want to apply ADLO to your own
> >
> > target.
> > > > you can apply this patch againt util/ADLO/bochs/bios/rombios.c by
> > > > # patch -p0 < rombios-serial.patch
> > > >
> > > > Regards,
> >
> > registers
> > > Linuxbios mailing list
> > > [e-mail]
> > > http://www.clustermatic.org/mailman/listinfo/linuxbios
>
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