[LinuxBIOS] Epia-M compilation fails

[Jun OKAJIMA]

Great!.
But, how long it takes to boot?
Two or three secs booting will be possible soon?
I have been waiting for long time for this kind of stuff.
( and VGA support also!)

              --- Okajima, Jun. Tokyo, Japan.

>
>Ok got to the stage where Epia-m is booting linux, though with lots of
>things broken and running only to the serial port (i.e. no vga yet).
>
>I have a couple of issues:
>
>To get the code to run the cpu initialisation sequences I've had to change
>the epia-m Config.lb from
>
>...
>
>   chip cpu/via/model_centaur
>
>...
>
>to
>
>...
>   device apic_cluster 0 on
>	chip cpu/via/model_centaur
>		device apic 0 on end
>	end
>   end
>
>This is so that the code in the northbridge has appropriate device
>structures to work with. Now this processor does not have a lapic, so this
>construct seems bizare to me. Is there a more appropriate construct where no
>lapic is present?
>
>A quick grep shows that there are several other motherboards which use the
>same style of configuartion in their Config.lb and their northbridge code.
>Do these need changing as well?
>
>Additionally 'src/arch/i386/lib/cpu.c' needs changing to support the case
>where no lapic is present:
>
>in function cpu_initialize there needs to be a conditional around some lines
>as follows:
>
>#if CONFIG_SMP || CONFIG_IOAPIC
>	if (cpu->path.u.apic.apic_id != lapicid()) {
>		printk_err("CPU .....
>            // return without setting ...
>      } else {
>#endif
>
>and a similar condition around the closing brace a few lines later
>
>Nick Barker
>
>
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