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authorDale S. Rahn <rahnds@cvs.openbsd.org>1997-03-03 19:32:35 +0000
committerDale S. Rahn <rahnds@cvs.openbsd.org>1997-03-03 19:32:35 +0000
commit90ff5a441368313fa226376473fea6908c2c3539 (patch)
tree38e1de6dcfb2805194734736d7209f51e06fa9e1 /sys/arch/mvme88k/stand/openbsd/libsa/bug.c
parent7848f1c3b3e234584c90f67e60c6164590478f49 (diff)
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.
Diffstat (limited to 'sys/arch/mvme88k/stand/openbsd/libsa/bug.c')
-rw-r--r--sys/arch/mvme88k/stand/openbsd/libsa/bug.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/sys/arch/mvme88k/stand/openbsd/libsa/bug.c b/sys/arch/mvme88k/stand/openbsd/libsa/bug.c
new file mode 100644
index 00000000000..e0ac46017bf
--- /dev/null
+++ b/sys/arch/mvme88k/stand/openbsd/libsa/bug.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 1995 Theo de Raadt
+ * 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 Theo de Raadt
+ * 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.
+ *
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+#define MVMEPROM_CALL(x) \
+ asm volatile (__CONCAT("trap #15; .short ", __STRING(x)) )
+
+/* returns 0 if no characters ready to read */
+int
+mvmeprom_instat()
+{
+ u_short ret;
+
+ MVMEPROM_CALL(MVMEPROM_INSTAT);
+ asm volatile ("movew ccr,%0": "=d" (ret));
+ return (!(ret & 0x4));
+}
+
+void
+mvmeprom_outstr(start, end)
+ char *start, *end;
+{
+ asm volatile ("movl %0, sp@-" : "=a" (start));
+ asm volatile ("movl %0, sp@-" : "=a" (end));
+ MVMEPROM_CALL(MVMEPROM_OUTSTR);
+}
+
+void
+mvmeprom_outln(start, end)
+ char *start, *end;
+{
+ asm volatile ("movl %0, sp@-" : "=a" (start));
+ asm volatile ("movl %0, sp@-" : "=a" (end));
+ MVMEPROM_CALL(MVMEPROM_OUTSTRCRLF);
+}
+
+/* returns 0: success, nonzero: error */
+int
+mvmeprom_diskrd(arg)
+ struct mvmeprom_dskio *arg;
+{
+ int ret;
+
+ asm volatile ("movel %0, sp@-"::"d" (arg));
+ MVMEPROM_CALL(MVMEPROM_DSKRD);
+ asm volatile ("movew ccr,%0": "=d" (ret));
+ return (!(ret & 0x4));
+}
+
+/* returns 0: success, nonzero: error */
+int
+mvmeprom_diskwr(arg)
+ struct mvmeprom_dskio *arg;
+{
+ int ret;
+
+ asm volatile ("movel %0, sp@-"::"d" (arg));
+ MVMEPROM_CALL(MVMEPROM_DSKWR);
+ asm volatile ("movew ccr,%0": "=d" (ret));
+ return (!(ret & 0x4));
+}
+
+#ifdef NOTYET
+mvmeprom_diskcfig() {}
+mvmeprom_diskfmt(){}
+mvmeprom_diskctrl(){}
+#endif
+
+/* BUG - timing routine */
+void
+mvmeprom_delay(msec)
+ int msec;
+{
+ asm volatile ("movel %0,sp@-" : :"d" (msec));
+ MVMEPROM_CALL(MVMEPROM_DELAY);
+}
+
+/* BUG - return to bug routine */
+void
+mvmeprom_return()
+{
+ MVMEPROM_CALL(MVMEPROM_EXIT);
+ /*NOTREACHED*/
+}
+
+/* BUG - query board routines */
+struct mvmeprom_brdid *
+mvmeprom_getbrdid()
+{
+ struct mvmeprom_brdid *id;
+
+ asm volatile ("clrl sp@-");
+ MVMEPROM_CALL(MVMEPROM_GETBRDID);
+ asm volatile ("movel sp@+,%0": "=d" (id):);
+ return (id);
+}
+
+void
+mvmeprom_rtc_rd(ptime)
+ struct mvmeprom_time *ptime;
+{
+ asm volatile ("movel %0,sp@-" : :"a" (ptime));
+ MVMEPROM_CALL(MVMEPROM_RTC_RD);
+}