/* * translated by paul reed from the oberon * translation of the linux utility 1280patch, * by andrew tipton & christian zietz */#include "u.h"#include "lib.h"#include "mem.h"#include "dat.h"#include "fns.h"#include "io.h" enum{	Aport	= 0xcf8,	Rport	= 0xcfc, 	Clock	= 80140,	Hdisp	= 1280,	Hstart	= 1343,	Hend	= 1479,	Htotal	= 1679,	Vdisp	= 768,	Vstart	= 768,	Vend	= 771,	Vtotal	= 779,}; voidpatchvesa(void){	ushort *p; 	if(getconf("patchvesa") == 0)		return; 	outl(Aport, 1<<31);	if(inl(Rport) != 0x35808086)		return; 	outl(Aport, 1<<31|0x58);	outb(Rport+2, 0x33); 	p = (ushort*)(0xc025b+6+28*0);		/* timing table */	p = KADDR(p);	*(ulong*)p = Clock;	p += 2;	*p++ = Hdisp-1;	*p++ = Htotal;	*p++ = Hdisp-1;	*p++ = Htotal;	*p++ = Hstart;	*p++ = Hend;	*p++ = Vdisp-1;	*p++ = Vtotal;	*p++ = Vdisp-1;	*p++ = Vtotal;	*p++ = Vstart;	*p++ = Vend; 	USED(p); 	outl(Aport, 1<<31|0x58);	outb(Rport+2, 0x11);}