sync with sun3 port.

major reorg. & cleanup.
new SRT that works with bugcrt.
common parse_arg.

1 files changed, 238 insertions, 0 deletions

diff --git a/sys/arch/mvme68k/stand/libsa/bugdev.c b/sys/arch/mvme68k/stand/libsa/bugdev.c
new file mode 100644
index 00000000000..3fe8cf36f51
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libsa/bugdev.c
@@ -0,0 +1,238 @@
+/*	$OpenBSD: bugdev.c,v 1.1 1996/05/16 02:30:36 chuck Exp $ */
+
+/*
+ * Copyright (c) 1993 Paul Kranenburg
+ * All rights reserved.
+ *
+ * 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 Paul Kranenburg.
+ * 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/disklabel.h>
+#include <machine/prom.h>
+
+#include "stand.h"
+#include "libsa.h"
+
+void cputobsdlabel __P((struct disklabel *lp, struct cpu_disklabel *clp));
+
+int errno;
+
+struct bugsc_softc {
+	int	fd;	/* Prom file descriptor */
+	int	poff;	/* Partition offset */
+	int	psize;	/* Partition size */
+	short	ctrl;
+	short	dev;
+} bugsc_softc[1];
+
+int
+devopen(f, fname, file)
+	struct open_file *f;
+	const char *fname;
+	char **file;
+{
+	register struct bugsc_softc *pp = &bugsc_softc[0];
+	int	error, i, dn = 0, pn = 0;
+	char	*dev, *cp;
+	static	char iobuf[MAXBSIZE];
+	struct disklabel sdlabel;
+
+	dev = bugargs.arg_start;
+
+	/*
+	 * Extract partition # from boot device string.
+	 */
+	for (cp = dev; *cp; cp++) /* void */;
+	while (*cp != '/' && cp > dev) {
+		if (*cp == ':')
+			pn = *(cp+1) - 'a';
+		--cp;
+	}
+
+	pp->fd = bugscopen(f);
+
+	if (pp->fd < 0) {
+		printf("Can't open device `%s'\n", dev);
+		return (ENXIO);
+	}
+	error = bugscstrategy(pp, F_READ, LABELSECTOR, DEV_BSIZE, iobuf, &i);
+	if (error)
+		return (error);
+	if (i != DEV_BSIZE)
+		return (EINVAL);
+
+	cputobsdlabel(&sdlabel, (struct cpu_disklabel *)iobuf);
+	pp->poff = sdlabel.d_partitions[pn].p_offset;
+	pp->psize = sdlabel.d_partitions[pn].p_size;
+
+	f->f_dev = devsw;
+	f->f_devdata = (void *)pp;
+	*file = (char *)fname;
+	return (0);
+}
+
+/* silly block scale factor */
+#define BUG_BLOCK_SIZE 256
+#define BUG_SCALE (512/BUG_BLOCK_SIZE)
+int
+bugscstrategy(devdata, func, dblk, size, buf, rsize)
+	void *devdata;
+	int func;
+	daddr_t dblk;
+	size_t size;
+	void *buf;
+	size_t *rsize;
+{
+	struct mvmeprom_dskio dio;
+	register struct bugsc_softc *pp = (struct bugsc_softc *)devdata;
+	daddr_t	blk = dblk + pp->poff;
+
+	twiddle();
+
+	dio.ctrl_lun = pp->ctrl;
+	dio.dev_lun = pp->dev;
+	dio.status = 0;
+	dio.pbuffer = buf;
+	dio.blk_num = blk * BUG_SCALE;
+	dio.blk_cnt = size / BUG_BLOCK_SIZE; /* assumed size in bytes */
+	dio.flag = 0;
+	dio.addr_mod = 0;
+#ifdef DEBUG
+	printf("bugscstrategy: size=%d blk=%d buf=%x\n", size, blk, buf);
+	printf("ctrl %d dev %d\n", dio.ctrl_lun, dio.dev_lun);
+#endif
+	mvmeprom_diskrd(&dio);
+
+	*rsize = dio.blk_cnt * BUG_BLOCK_SIZE;
+#ifdef DEBUG
+printf("rsize %d status %x\n", *rsize, dio.status);
+#endif
+
+	if (dio.status)
+		return (EIO);
+	return (0);
+}
+
+int
+bugscopen(f)
+	struct open_file *f;
+{
+#ifdef DEBUG
+	printf("bugscopen:\n");
+#endif
+
+	f->f_devdata = (void *)bugsc_softc;
+	bugsc_softc[0].ctrl = (short)bugargs.ctrl_lun;
+	bugsc_softc[0].dev =  (short)bugargs.dev_lun;
+#ifdef DEBUG
+	printf("using mvmebug ctrl %d dev %d\n",
+	    bugsc_softc[0].ctrl, bugsc_softc[0].dev);
+#endif
+	return (0);
+}
+
+int
+bugscclose(f)
+	struct open_file *f;
+{
+	return (EIO);
+}
+
+int
+bugscioctl(f, cmd, data)
+	struct open_file *f;
+	u_long cmd;
+	void *data;
+{
+	return (EIO);
+}
+
+void
+cputobsdlabel(lp, clp)
+	struct disklabel *lp;
+	struct cpu_disklabel *clp;
+{
+	int i;
+
+	lp->d_magic = clp->magic1;
+	lp->d_type = clp->type;
+	lp->d_subtype = clp->subtype;
+	bcopy(clp->vid_vd, lp->d_typename, 16);
+	bcopy(clp->packname, lp->d_packname, 16);
+	lp->d_secsize = clp->cfg_psm;
+	lp->d_nsectors = clp->cfg_spt;
+	lp->d_ncylinders = clp->cfg_trk; /* trk is really num of cyl! */
+	lp->d_ntracks = clp->cfg_hds;
+
+	lp->d_secpercyl = clp->secpercyl;
+	lp->d_secperunit = clp->secperunit;
+	lp->d_secpercyl = clp->secpercyl;
+	lp->d_secperunit = clp->secperunit;
+	lp->d_sparespertrack = clp->sparespertrack;
+	lp->d_sparespercyl = clp->sparespercyl;
+	lp->d_acylinders = clp->acylinders;
+	lp->d_rpm = clp->rpm;
+	lp->d_interleave = clp->cfg_ilv;
+	lp->d_trackskew = clp->cfg_sof;
+	lp->d_cylskew = clp->cylskew;
+	lp->d_headswitch = clp->headswitch;
+
+	/* this silly table is for winchester drives */
+	switch (clp->cfg_ssr) {
+	case 0:
+		lp->d_trkseek = 0;
+		break;
+	case 1:
+		lp->d_trkseek = 6;
+		break;
+	case 2:
+		lp->d_trkseek = 10;
+		break;
+	case 3:
+		lp->d_trkseek = 15;
+		break;
+	case 4:
+		lp->d_trkseek = 20;
+		break;
+	default:
+		lp->d_trkseek = 0;
+		break;
+	}
+	lp->d_flags = clp->flags;
+	for (i = 0; i < NDDATA; i++)
+		lp->d_drivedata[i] = clp->drivedata[i];
+	for (i = 0; i < NSPARE; i++)
+		lp->d_spare[i] = clp->spare[i];
+	lp->d_magic2 = clp->magic2;
+	lp->d_checksum = clp->checksum;
+	lp->d_npartitions = clp->partitions;
+	lp->d_bbsize = clp->bbsize;
+	lp->d_sbsize = clp->sbsize;
+	bcopy(clp->vid_4, &(lp->d_partitions[0]),sizeof (struct partition) * 4);
+	bcopy(clp->cfg_4, &(lp->d_partitions[4]), sizeof (struct partition) 
+		* ((MAXPARTITIONS < 16) ? (MAXPARTITIONS - 4) : 12));
+}