[okl4-developer] Fw: okL4

[Harry Vennik]

Hi Hal,

Thanks for your quick reply. I am going to test this sometime soon.

Kind regards,

Harry


Op 4-okt-2007, om 10:06 heeft Hal Ashburner het volgende geschreven:

>
> On Thu, 2007-10-04 at 09:48 +0200, Harry Vennik wrote:
>> Op 4-okt-2007, om 8:59 heeft Hal Ashburner het volgende geschreven:
>>
>
>> I think he tries the same thing as I'm planning to do: run an OKL4
>> based system on a PC, using console I/O instead of serial port.
>> (Btw. I tried this already some time ago, and then I was told by
>> someone on this mailing list that support for that was being worked
>> on... Didn't it make it into the 1.5.2 release?)
>
> Hi Harry,
> You can certainly use the vga console driver in OKLinux on hardware.
> use the machine=ia32_pc99_vga target
> test it worked by running it on the simulator by hand
> ./qemu -hda build/images/c.img -serial stdio
> Which will launch an SDL window emulating the VGA screen while keeping
> your serial output in your terminal window.
> In particular check that the keyboard works, and that it is enabled in
> the l4linux_config_ia32_vga configuration file.
>
> If you mount the c.img file with something like
> $ mkdir mnt_tmp
> $ sudo mount -o loop,offset=32256 c.img tmp
>
> You can then copy the contents of  mnt_tmp onto a partition of your  
> test
> box. You will probably need to set up grub on your test box.
> I found the easiest way for me was to install debian sarge on a test
> box.
> move /lib/tls to /lib/tls.bak
> Install a grub supported ethernet card in the box (eepro100 works well
> for me)
> Compile grub with support for the card then install it.
> Install a tftp server on your development machine.
>
> Then configuring grub so it can load an image via tftp from your
> development machine is reasonably straightforward and will save you a
> lot of time.
>
> If you don't want to do all that, just installing grub and adding the
> relevant lines to the menu.lst to boot image.elf will work albeit  
> making
> rebooting more manual.
>
> Be aware that none of the drivers requiring dma are enabled in the
> release.
>
> I'd definitely try to get a crash and burn test box that has a serial
> port.
>
>
> Another option for vga output is to enable it in the L4 configuration.
> This hasn't been tested for a while and may have suffered a bit of
> bit-rot. Let me know if its a problem and I'll see if I can find  
> time to
> have a look at it.
>
>
>
> -- 
> Kind regards,
> Hal Ashburner
>