Camiel Vanderhoeven wrote:
>
> > static int getslotinfo( void )
> > {
> > static char buff[320], *s=&buff[0]; int valid;
> >
> > inregs.h.ah=0xd8; inregs.h.al=0x1; inregs.h.cl=DiSC_Id.slot>>12;
> > inregs.h.ch=0;
> > sregs.ds=FP_SEG(s); inregs.x.si=FP_OFF(s);
> > int86x(0x15, &inregs, &outregs, &sregs);
> > valid=outregs.h.ah;
> > if(!valid) { DiSC_Id.it=buff[itconf]; DiSC_Id.dma=buff[dmachd]; }
> > return(valid);
> > }
> >
> > Would it help if i told you that itconf and dmachd are defined as (see
> > http://mc303.ulyssis.org/heim/downloads/DISCINC.H )
> >
> > #define itconf 0xb2
> > #define dmachd 0xc0
> >
> > So if my EISA board is at 0x1000, i should be able to read these
> > values from 0x1000+0xb2 and 0x1000+0xc0 ??? And if 'yes', any idea
> > about how to read them? (byte, word, long...? My guess would be as a
> > byte, but I'm not sure...)
>
> Looking at the above piece of sourcecode, I would say your guess is
> correct. "buff" is declared as an array of chars (bytes), so I would try
> to read a byte at 0x10b2 and at 0x10c0. Just try it out & see what you
> get back...
I tried reading bytes from the following locations:
0x1000+0xb2 -> gives me 255
0x1000+0xc80+0xb2 -> gives me 255
0x1000+0xc84+0xb2 -> gives me 255
same for 0xc0
I guess these aren't the values I should be expecting... :-(
Greetzzz,
mc303
-- Ing. Bart Vandewoestyne Bart.Vandewoestyne@pandora.be Hugo Verrieststraat 48 GSM: +32 (0)478 397 697 B-8550 Zwevegem http://users.pandora.be/vandewoestyne ---------------------------------------------------------------------- "Any fool can know, the point is to understand." - Albert Einstein - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Aug 31 2001 - 21:00:27 EST