Beispiel #1
0
int
ubasearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
{
	struct	uba_softc *sc = device_private(parent);
	struct	uba_attach_args ua;
	int	i, csr, vec, br;

	csr = cf->cf_loc[UBACF_CSR];
	if (sc->uh_used[ubdevreg(csr)])
		return 0; /* something are already at this address */

	ua.ua_ioh = ubdevreg(csr) + sc->uh_ioh;
	ua.ua_iot = sc->uh_iot;
	ua.ua_dmat = sc->uh_dmat;

	if (badaddr((void *)ua.ua_ioh, 2) ||
	    (sc->uh_errchk ? (*sc->uh_errchk)(sc):0))
		goto forgetit;

	scb_vecref(0, 0); /* Clear vector ref */
	i = config_match(parent, cf, &ua);

	if (sc->uh_errchk)
		if ((*sc->uh_errchk)(sc))
			goto forgetit;
	if (i == 0)
		goto forgetit;

	i = scb_vecref(&vec, &br);
	if (i == 0)
		goto fail;
	if (vec == 0)
		goto fail;

	ua.ua_br = br;
	ua.ua_cvec = vec;
	ua.ua_iaddr = csr;
	ua.ua_evcnt = NULL;

	sc->uh_used[ubdevreg(csr)] = 1;

	config_attach(parent, cf, &ua, ubaprint);
	return 0;

fail:
	printf("%s%d at %s csr %o %s\n",
	    cf->cf_name, cf->cf_unit, device_xname(parent),
	    csr, (i ? "zero vector" : "didn't interrupt"));

forgetit:
	return 0;
}
Beispiel #2
0
int
ubasearch(struct device *parent, struct cfdata *cf, void *aux)
{
	struct	uba_softc *sc = (struct uba_softc *)parent;
	struct	uba_attach_args ua;
	int	i, vec, br;

	ua.ua_ioh = ubdevreg(cf->cf_loc[0]) + sc->uh_ioh;
	ua.ua_iot = sc->uh_iot;
	ua.ua_dmat = sc->uh_dmat;

	if (badaddr((caddr_t)ua.ua_ioh, 2) ||
	    (sc->uh_errchk ? (*sc->uh_errchk)(sc):0))
		goto forgetit;

	scb_vecref(0, 0); /* Clear vector ref */
	i = (*cf->cf_attach->ca_match) (parent, cf, &ua);

	if (sc->uh_errchk)
		if ((*sc->uh_errchk)(sc))
			goto forgetit;
	if (i == 0)
		goto forgetit;

	i = scb_vecref(&vec, &br);
	if (i == 0)
		goto fail;
	if (vec == 0)
		goto fail;

	ua.ua_br = br;
	ua.ua_cvec = vec;
	ua.ua_iaddr = cf->cf_loc[0];

	config_attach(parent, cf, &ua, ubaprint);
	return 0;

fail:
	printf("%s%d at %s csr %lo %s\n",
	    cf->cf_driver->cd_name, cf->cf_unit, parent->dv_xname,
	    cf->cf_loc[0], (i ? "zero vector" : "didn't interrupt"));

forgetit:
	return 0;
}