diff options
author | Dale S. Rahn <rahnds@cvs.openbsd.org> | 1997-03-03 19:32:35 +0000 |
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committer | Dale S. Rahn <rahnds@cvs.openbsd.org> | 1997-03-03 19:32:35 +0000 |
commit | 90ff5a441368313fa226376473fea6908c2c3539 (patch) | |
tree | 38e1de6dcfb2805194734736d7209f51e06fa9e1 /sys/arch/mvme88k/stand/openbsd/libsa/bug.c | |
parent | 7848f1c3b3e234584c90f67e60c6164590478f49 (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.c | 136 |
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); +} |