sync with NetBSD 970112 -moj

1 files changed, 123 insertions, 0 deletions

diff --git a/sys/arch/vax/boot/rom.c b/sys/arch/vax/boot/rom.c
new file mode 100644
index 00000000000..f299f506350
--- /dev/null
+++ b/sys/arch/vax/boot/rom.c
@@ -0,0 +1,123 @@
+/*	$NetBSD: rom.c,v 1.1 1996/08/02 11:22:21 ragge Exp $ */
+/*
+ * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Ludd by
+ * Bertram Barth.
+ *
+ * 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 at Ludd, University of 
+ *      Lule}, Sweden and its contributors.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#include "sys/param.h"
+#include "sys/reboot.h"
+#include "sys/disklabel.h"
+
+#include "lib/libsa/stand.h"
+#include "lib/libsa/ufs.h"
+
+#include "../include/pte.h"
+#include "../include/sid.h"
+#include "../include/mtpr.h"
+#include "../include/reg.h"
+#include "../include/rpb.h"
+
+#include "data.h"
+#include "vaxstand.h"
+
+extern unsigned *bootregs;
+extern struct rpb *rpb;
+
+struct rom_softc {
+	int part;
+	int unit;
+};
+
+int	romstrategy(), romopen();
+struct	disklabel romlabel;
+struct  rom_softc rom_softc;
+char	io_buf[MAXBSIZE];
+
+romopen(f, adapt, ctlr, unit, part)
+	struct open_file *f;
+        int ctlr, unit, part;
+{
+	char *msg;
+	struct disklabel *lp = &romlabel;
+	volatile struct rom_softc *rsc = &rom_softc;
+	int i,err;
+
+	bootregs[11] = XXRPB;
+	rpb = (void*)XXRPB;
+	bqo = (void*)rpb->iovec;
+
+	if (rpb->unit > 0 && (rpb->unit % 100) == 0) {
+		printf ("changing rpb->unit from %d ", rpb->unit);
+		rpb->unit /= 100;
+		printf ("to %d\n", rpb->unit);
+	}
+
+	bzero(lp, sizeof(struct disklabel));
+	rsc->unit = unit;
+	rsc->part = part;
+
+	err = romstrategy(rsc, F_READ, LABELSECTOR, DEV_BSIZE, io_buf, &i);
+	if (err) {
+		printf("reading disklabel: %s\n",strerror(err));
+		return 0;
+	}
+	msg = getdisklabel(io_buf+LABELOFFSET, lp);
+	if (msg)
+		printf("getdisklabel: %s\n",msg);
+	f->f_devdata = (void*)rsc;
+	return(0);
+}
+
+romstrategy (rsc, func, dblk, size, buf, rsize)
+	struct  rom_softc *rsc;
+	int     func;
+	daddr_t dblk;
+	char    *buf;
+	int     size, *rsize;
+{
+	struct	disklabel *lp;
+	int	block;
+
+	lp = &romlabel;
+	block = dblk + lp->d_partitions[rsc->part].p_offset;
+	if (rsc->unit >= 0 && rsc->unit < 10)
+		rpb->unit = rsc->unit;
+
+	if (func == F_WRITE)
+		romwrite_uvax(block, size, buf, bootregs);
+	else
+		romread_uvax(block, size, buf, bootregs);
+
+	*rsize = size;
+	return 0;
+}
+