[LinuxBIOS] MB1030 / 3036 VGA comes up :D

[Richard Smith]

>copying VGA ROM Image from 0xfffc0000 to 0xc0000, 0x8000 bytes
>entering emulator
>inb(0x03cf) = 0x00
>inb(0x03cf) = 0x00
>inb(0x03cf) = 0x88
>i

So its crashing 'inside' of a printk.  0x3cf is a VGA index register.

> Could it be a interrupt problem between the vga device and the serial port ?

LinuxBIOS serial debug output is PIO. No interrupts.

Did you disable the SMI interrupt trap for access to VGA registers? 
That may be getting fired and tripping things up.

--
Richard A. Smith