diff options
Diffstat (limited to 'sys/arch/alpha/wscons/wscons_rinit.c')
| -rw-r--r-- | sys/arch/alpha/wscons/wscons_rinit.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/sys/arch/alpha/wscons/wscons_rinit.c b/sys/arch/alpha/wscons/wscons_rinit.c new file mode 100644 index 00000000000..7b7348a3746 --- /dev/null +++ b/sys/arch/alpha/wscons/wscons_rinit.c @@ -0,0 +1,134 @@ +/* $NetBSD: wscons_rinit.c,v 1.1 1996/04/12 02:00:54 cgd Exp $ */ + +/* + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Lawrence Berkeley Laboratory. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)rcons_font.c 8.1 (Berkeley) 6/11/93 + */ + +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/device.h> + +#include <dev/rcons/raster.h> +#include <alpha/wscons/wscons_raster.h> + +#include <alpha/wscons/wscons_rfont.h> + +void +rcons_initfont(rc, fp) + struct rcons *rc; + struct raster_font *fp; +{ + static int initfontdone; + + rc->rc_font = fp; + + /* Get distance to top and bottom of font from font origin */ + rc->rc_font_ascent = -(rc->rc_font->chars)['a'].homey; + +#if !defined(MSBYTE_FIRST) && !defined(MSBIT_FIRST) /* XXX other cases */ + /* swap byte order on font data. ick. */ + if (!initfontdone) { + int ch, i, n, bit; + u_int32_t *pix, npix; + + for (ch = 0; ch < 256; ch++) { + if (rc->rc_font->chars[ch].r == 0) + continue; + + n = rc->rc_font->chars[ch].r->linelongs * + rc->rc_font->chars[ch].r->height; + pix = rc->rc_font->chars[ch].r->pixels; + + for (i = 0; i < n; i++) { + npix = 0; + for (bit = 0; bit < 32; bit++) + if (pix[i] & (1 << bit)) + npix |= (1 << (31 - bit)); + pix[i] = npix; + } + } + } +#endif + + initfontdone = 1; +} + +void +rcons_init(rc, mrow, mcol) + struct rcons *rc; + int mrow, mcol; +{ + struct raster *rp = rc->rc_sp; + int i; + + rcons_initfont(rc, &gallant19); + + i = rp->height / rc->rc_font->height; + rc->rc_maxrow = min(i, mrow); + + i = rp->width / rc->rc_font->width; + rc->rc_maxcol = min(i, mcol); + + /* Center emulator screen (but align x origin to 32 bits) */ + rc->rc_xorigin = + ((rp->width - rc->rc_maxcol * rc->rc_font->width) / 2) & ~0x1f; + rc->rc_yorigin = + (rp->height - rc->rc_maxrow * rc->rc_font->height) / 2; + + /* Raster width used for row copies */ + rc->rc_raswidth = rc->rc_maxcol * rc->rc_font->width; + if (rc->rc_raswidth & 0x1f) { + /* Pad to 32 bits */ + i = (rc->rc_raswidth + 0x1f) & ~0x1f; + /* Make sure width isn't too wide */ + if (rc->rc_xorigin + i <= rp->width) + rc->rc_raswidth = i; + } + + rc->rc_ras_blank = RAS_CLEAR; + rc->rc_bits = 0; + + /* If cursor position given, assume it's there and drawn. */ + if (*rc->rc_crowp != -1 && *rc->rc_ccolp != -1) + rc->rc_bits |= RC_CURSOR; +} |