sync to 0616, retaining local diffs

1 files changed, 134 insertions, 0 deletions

diff --git a/sys/dev/wscons/wscons_rinit.c b/sys/dev/wscons/wscons_rinit.c
new file mode 100644
index 00000000000..7b7348a3746
--- /dev/null
+++ b/sys/dev/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;
+}