Third try at importing the mvme88k port. This is a working kernel

from nivas.
Userland and compiler still need to be worked on.
Make certain what directory the import is done from.

1 files changed, 193 insertions, 0 deletions

diff --git a/sys/arch/mvme88k/stand/openbsd/libsa/promdev.c b/sys/arch/mvme88k/stand/openbsd/libsa/promdev.c
new file mode 100644
index 00000000000..a8a9e6aa9dd
--- /dev/null
+++ b/sys/arch/mvme88k/stand/openbsd/libsa/promdev.c
@@ -0,0 +1,193 @@
+/*	$Id: promdev.c,v 1.1 1997/03/03 19:31:07 rahnds Exp $ */
+
+/*
+ * Copyright (c) 1995 Gordon W. Ross
+ * 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 <machine/mon.h>
+#include <machine/pte.h>
+#include <machine/saio.h>
+
+#include <dvma.h>
+#include <stand.h>
+
+struct saioreq prom_si;
+static int promdev_inuse;
+
+static char *
+prom_mapin(u_long physaddr, int length, int maptype);
+
+int
+prom_iopen(void **devdatap)
+{
+	struct bootparam *bp;
+	struct boottab *ops;
+	struct devinfo *dip;
+	struct saioreq *si;
+	char *p;
+	int	error;
+
+	if (promdev_inuse)
+		return(EMFILE);
+
+	bp = *romp->bootParam;
+	ops = bp->bootDevice;
+	dip = ops->b_devinfo;
+
+#ifdef DEBUG_PROM
+	printf("Boot device type: %s\n", ops->b_desc);
+#endif
+
+	dvma_init();
+
+	si = &prom_si;
+	bzero((caddr_t)si, sizeof(*si));
+	si->si_boottab = ops;
+	si->si_ctlr = bp->ctlrNum;
+	si->si_unit = bp->unitNum;
+	si->si_boff = bp->partNum;
+
+	if (si->si_ctlr > dip->d_stdcount) {
+		printf("Invalid controller number\n");
+		return(ENXIO);
+	}
+
+	if (dip->d_devbytes) {
+		si->si_devaddr = prom_mapin(dip->d_stdaddrs[si->si_ctlr],
+			dip->d_devbytes, dip->d_devtype);
+#ifdef	DEBUG_PROM
+		printf("prom_iopen: devaddr=0x%x pte=0x%x\n",
+			   si->si_devaddr, get_pte(si->si_devaddr));
+#endif
+	}
+
+	if (dip->d_dmabytes) {
+		si->si_dmaaddr = dvma_alloc(dip->d_dmabytes);
+#ifdef	DEBUG_PROM
+		printf("prom_iopen: dmaaddr=0x%x\n", si->si_dmaaddr);
+#endif
+	}
+
+	/* OK, call the PROM device open routine. */
+	error = (*ops->b_open)(si);
+	if (error != 0) {
+		printf("prom_iopen: \"%s\" error=%d\n",
+			   ops->b_desc, error);
+		return (ENXIO);
+	}
+#ifdef	DEBUG_PROM
+	printf("prom_iopen: succeeded, error=%d\n", error);
+#endif
+
+	*devdatap = si;
+	promdev_inuse++;
+	return (0);
+}
+
+void
+prom_iclose(void *devdata)
+{
+	struct boottab *ops;
+	struct devinfo *dip;
+	struct saioreq *si;
+
+	if (promdev_inuse == 0)
+		return;
+
+	si = devdata;
+	ops = si->si_boottab;
+	dip = ops->b_devinfo;
+
+	(*ops->b_close)(si);
+
+	if (si->si_dmaaddr) {
+		dvma_free(si->si_dmaaddr, dip->d_dmabytes);
+		si->si_dmaaddr = NULL;
+	}
+
+	promdev_inuse = 0;
+}
+
+struct mapinfo {
+	int maptype;
+	int pgtype;
+	int base;
+};
+
+static struct mapinfo
+prom_mapinfo[] = {
+  { MAP_MAINMEM, PGT_OBMEM, 0 },
+  { MAP_OBIO,    PGT_OBIO,  0 },
+  { MAP_MBMEM,   PGT_OBMEM, 0 },	/* XXX - Sun2 Multibus? */
+  { MAP_MBIO,    PGT_OBIO,  0 },	/* XXX - Sun2 Multibus? */
+  { MAP_VME16A16D, PGT_VME_D16, 0xFFFF0000 },
+  { MAP_VME16A32D, PGT_VME_D32, 0xFFFF0000 },
+  { MAP_VME24A16D, PGT_VME_D16, 0xFF000000 },
+  { MAP_VME24A32D, PGT_VME_D32, 0xFF000000 },
+  { MAP_VME32A16D, PGT_VME_D16, 0 },
+  { MAP_VME32A32D, PGT_VME_D32, 0 },
+};
+static prom_mapinfo_cnt = sizeof(prom_mapinfo) / sizeof(prom_mapinfo[0]);
+
+/* The virtual address we will use for PROM device mappings. */
+static int prom_devmap = MONSHORTSEG;
+
+static char *
+prom_mapin(physaddr, length, maptype)
+	u_long physaddr;
+	int length, maptype;
+{
+	int i, pa, pte, va;
+
+	if (length > (4*NBPG))
+		panic("prom_mapin: length=%d\n", length);
+
+	for (i = 0; i < prom_mapinfo_cnt; i++)
+		if (prom_mapinfo[i].maptype == maptype)
+			goto found;
+	panic("prom_mapin: invalid maptype %d\n", maptype);
+found:
+
+	pte = prom_mapinfo[i].pgtype;
+	pte |= PG_PERM;
+	pa = prom_mapinfo[i].base;
+	pa += physaddr;
+	pte |= PA_PGNUM(pa);
+
+	va = prom_devmap;
+	do {
+		set_pte(va, pte);
+		va += NBPG;
+		pte += 1;
+		length -= NBPG;
+	} while (length > 0);
+	return ((char*)prom_devmap);
+}