コード例 #1
0
static int
wsfontioctl(dev_t dev, u_long cmd, void *data, int flag,
    struct lwp *l)
{
	char nbuf[16];
	void *buf;
	int res;

	switch (cmd) {
	case WSDISPLAYIO_LDFONT:
#define d ((struct wsdisplay_font *)data)
		if (d->name) {
			res = copyinstr(d->name, nbuf, sizeof(nbuf), 0);
			if (res)
				return (res);
			d->name = nbuf;
		} else
			d->name = "loaded"; /* ??? */
		buf = malloc(d->fontheight * d->stride * d->numchars,
			     M_DEVBUF, M_WAITOK);
		res = copyin(d->data, buf,
			     d->fontheight * d->stride * d->numchars);
		if (res) {
			free(buf, M_DEVBUF);
			return (res);
		}
		d->data = buf;
		res = wsfont_add(d, 1);
		free(buf, M_DEVBUF);
#undef d
		return (res);
	default:
		return (EINVAL);
	}
}
コード例 #2
0
ファイル: p9100.c プロジェクト: avsm/openbsd-xen-sys
int
p9100_pick_romfont(struct p9100_softc *sc)
{
	struct rasops_info *ri = &sc->sc_sunfb.sf_ro;
	int *romwidth, *romheight;
	u_int8_t **romaddr;
	char buf[200];

	/*
	 * This code currently only works for PROM >= 2.9; see
	 * autoconf.c romgetcursoraddr() for details.
	 */
	if (promvec->pv_romvec_vers < 2 || promvec->pv_printrev < 0x00020009)
		return (1);

	/*
	 * Get the PROM font metrics and address
	 */
	if (snprintf(buf, sizeof buf, "stdout @ is my-self "
	    "addr char-height %lx ! addr char-width %lx ! addr font-base %lx !",
	    (vaddr_t)&romheight, (vaddr_t)&romwidth, (vaddr_t)&romaddr) >=
	    sizeof buf)
		return (1);
	romheight = romwidth = NULL;
	rominterpret(buf);

	if (romheight == NULL || romwidth == NULL || romaddr == NULL ||
	    *romheight == 0 || *romwidth == 0 || *romaddr == NULL)
		return (1);

	p9100_romfont.fontwidth = *romwidth;
	p9100_romfont.fontheight = *romheight;
	p9100_romfont.stride = howmany(*romwidth, NBBY);
	p9100_romfont.data = *romaddr;
	
#ifdef DEBUG
	printf("%s: PROM font %dx%d @%p",
	    sc->sc_sunfb.sf_dev.dv_xname, *romwidth, *romheight, *romaddr);
#endif

	/*
	 * Build and add a wsfont structure
	 */
	wsfont_init();	/* if not done before */
	if (wsfont_add(&p9100_romfont, 0) != 0)
		return (1);

	/*
	 * Select this very font in our rasops structure
	 */
	ri->ri_wsfcookie = wsfont_find(ROMFONTNAME, 0, 0, 0);
	if (wsfont_lock(ri->ri_wsfcookie, &ri->ri_font,
	    WSDISPLAY_FONTORDER_L2R, WSDISPLAY_FONTORDER_L2R) <= 0) {
		ri->ri_wsfcookie = 0;
		return (1);
	}
	
	return (0);
}