Re: [LinuxBIOS] VGA help under QEMU

[Marc Karasek]

I do not see how to put the vgabios image into LB.  I see where u can 
specify to run option roms and tell LB to initialize vga devices.  I do 
not see where you can tell it to pull in the vgabios image.

/*********************
Marc Karasek
MTS
Sun Microsystems
mailto:[e-mail]
ph:770.360.6415
*********************/

Myles Watson wrote:
> On Dec 13, 2007 3:01 PM, ron minnich  wrote:
> > my apologies, it was a big going-away lunch and I am now sleepy.
>
> No problem.
> > I just did a build with latest v3, built a 256kb bios, copy it to a
> > directory, run qemu as follows:
> > qemu -serial stdio -L . -kernel linux-2.6.15-bochs/vmlinux -hdc hda -hda hda
> >
> > and I get video.
> >
> > I am using the vgabios-cirrus.bin
>
> I'm not specifying the vgabios specifically, but v2 finds the vgabios-cirrus.bin
> > Option ROMS are run in Phase 6.
> > Mine looks like this:
> >
> > Phase 6: Initializing devices...
> > Phase 6: Root Device init.
> > Phase 6: PCI: 00:00.0 init.
> > PCI: pci_dev_init
> > Probing for option ROM
> > Phase 6: PCI: 00:01.0 init.
> > Initializing realtime clock.
> > RTC: Checksum invalid zeroing cmos
> > Invalid LinuxBIOS CMOS checksum.
> > Phase 6: PCI: 00:01.1 init.
> > Enabling IDE channel 1
> > Enabling IDE channel 2
> > Enabling Legacy IDE
> > Phase 6: PCI: 00:01.3 init.
> > Enabling SMBus.
> > Enable Power Management Functions
> > Phase 6: PCI: 00:02.0 init.
> > PCI: pci_dev_init
> > Probing for option ROM
> > ROM address for PCI: 00:02.0 = c0000
> > PCI Expansion ROM, signature 0xaa55, INIT size 0x8c00, data ptr 0x0038
> > PCI ROM Image, Vendor 1013, Device 00b8,
> > PCI ROM Image, Class Code 030000, Code Type 00
> > Copying VGA ROM image from 0x000c0000 to 0xc0000, 0x8c00 bytes
> > Phase 6: PCI: 00:03.0 init.
> > PCI: pci_dev_init
> > Probing for option ROM
> > Phase 6: PCI: 00:04.0 init.
> > PCI: pci_dev_init
> > Probing for option ROM
> > Phase 6: Devices initialized.
> >
> > When I look at yours I see an error:
> > Phase 6: PCI: 00:02.0 init.
> >
> > PCI: pci_dev_init
> >
> > Probing for option ROM
> >
> > ROM address for PCI: 00:02.0 = c0000
> >
> > PCI Expansion ROM, signature 0xaa55, INIT size 0x8a00, data ptr 0x736f
> >
> > PCI ROM Image, Vendor 0846, Device ec89,
> >
> > Device or Vendor ID mismatch Vendor 0846, Device ec89
> >
> > see the mismatch? So it will not run the rom. The option rom does not
> > match the hardware .
>
> Good catch.
> > What vga bios are you using? I hope to wake up more soon and might
> > actually give a useful answer :-)
>
> I don't know where it's getting another VGA bios.  I tried removing
> the other vgabios.bin file from the directory, but I get the same
> results.
>
> I looked in the pci.ids file, and the Vendor ID is not there, so I'm
> not sure what the problem is.
>
> Myles