Author: jhibbits Date: Wed Jan 29 15:50:01 2014 New Revision: 261269 URL: http://svnweb.freebsd.org/changeset/base/261269
Log: Micro-optimize 8-bit blanking. This is the same as in ofw_syscons. Reviewed by: ray MFC after: 1 week Modified: head/sys/dev/vt/hw/ofwfb/ofwfb.c (contents, props changed) Modified: head/sys/dev/vt/hw/ofwfb/ofwfb.c ============================================================================== --- head/sys/dev/vt/hw/ofwfb/ofwfb.c Wed Jan 29 14:56:48 2014 (r261268) +++ head/sys/dev/vt/hw/ofwfb/ofwfb.c Wed Jan 29 15:50:01 2014 (r261269) @@ -25,7 +25,7 @@ */ #include <sys/cdefs.h> -__FBSDID("$FreeBSD: user/ed/newcons/sys/dev/vt/hw/ofwfb/ofwfb.c 219888 2011-03-22 21:31:31Z ed $"); +__FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/kernel.h> @@ -78,17 +78,19 @@ static void ofwfb_blank(struct vt_device *vd, term_color_t color) { struct ofwfb_softc *sc = vd->vd_softc; - u_int ofs; + u_int ofs, size; uint32_t c; + size = sc->sc_stride * vd->vd_height; switch (sc->sc_depth) { case 8: - for (ofs = 0; ofs < sc->sc_stride*vd->vd_height; ofs++) - *(uint8_t *)(sc->sc_addr + ofs) = color; + c = (color << 24) | (color << 16) | (color << 8) | color; + for (ofs = 0; ofs < size/4; ofs++) + *(uint32_t *)(sc->sc_addr + 4*ofs) = c; break; case 32: c = sc->sc_colormap[color]; - for (ofs = 0; ofs < sc->sc_stride*vd->vd_height; ofs++) + for (ofs = 0; ofs < size; ofs++) *(uint32_t *)(sc->sc_addr + 4*ofs) = c; break; default: _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"