diff options
Diffstat (limited to 'sys/dev/wscons/wsemul_dumb.c')
| -rw-r--r-- | sys/dev/wscons/wsemul_dumb.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/sys/dev/wscons/wsemul_dumb.c b/sys/dev/wscons/wsemul_dumb.c index fc8d55ea557..a347703988f 100644 --- a/sys/dev/wscons/wsemul_dumb.c +++ b/sys/dev/wscons/wsemul_dumb.c @@ -1,4 +1,4 @@ -/* $OpenBSD: wsemul_dumb.c,v 1.3 2007/02/14 01:12:16 jsg Exp $ */ +/* $OpenBSD: wsemul_dumb.c,v 1.4 2007/03/07 06:23:04 miod Exp $ */ /* $NetBSD: wsemul_dumb.c,v 1.7 2000/01/05 11:19:36 drochner Exp $ */ /* @@ -68,6 +68,7 @@ struct wsemul_dumb_emuldata { const struct wsdisplay_emulops *emulops; void *emulcookie; void *cbcookie; + int crippled; u_int nrows, ncols, crow, ccol; long defattr; }; @@ -82,10 +83,11 @@ wsemul_dumb_cnattach(type, cookie, ccol, crow, defattr) long defattr; { struct wsemul_dumb_emuldata *edp; + const struct wsdisplay_emulops *emulops; edp = &wsemul_dumb_console_emuldata; - edp->emulops = type->textops; + edp->emulops = emulops = type->textops; edp->emulcookie = cookie; edp->nrows = type->nrows; edp->ncols = type->ncols; @@ -93,6 +95,9 @@ wsemul_dumb_cnattach(type, cookie, ccol, crow, defattr) edp->ccol = ccol; edp->defattr = defattr; edp->cbcookie = NULL; + edp->crippled = emulops->cursor == NULL || + emulops->copycols == NULL || emulops->copyrows == NULL || + emulops->erasecols == NULL || emulops->eraserows == NULL; return (edp); } @@ -138,10 +143,24 @@ wsemul_dumb_output(cookie, data, count, kernel) u_char c; int n; + if (edp->crippled) { + while (count-- > 0) { + c = *data++; + + if (c == ASCII_BEL) + wsdisplay_emulbell(edp->cbcookie); + else + (*edp->emulops->putchar)(edp->emulcookie, 0, + 0, c, 0); + } + return; + } + /* XXX */ (*edp->emulops->cursor)(edp->emulcookie, 0, edp->crow, edp->ccol); while (count-- > 0) { c = *data++; + switch (c) { case ASCII_BEL: wsdisplay_emulbell(edp->cbcookie); @@ -238,6 +257,9 @@ wsemul_dumb_resetop(cookie, op) { struct wsemul_dumb_emuldata *edp = cookie; + if (edp->crippled) + return; + switch (op) { case WSEMUL_CLEARSCREEN: (*edp->emulops->eraserows)(edp->emulcookie, 0, edp->nrows, |