[LinuxBIOS] MB1030 / 3036 VGA comes up :D

Richard Smith smithbone at gmail.com
Tue May 2 16:21:57 CEST 2006

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

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

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