diff options
Diffstat (limited to 'sys/arch/mvme88k/stand/openbsd/libbug/m88k/diskwr.c')
-rw-r--r-- | sys/arch/mvme88k/stand/openbsd/libbug/m88k/diskwr.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/arch/mvme88k/stand/openbsd/libbug/m88k/diskwr.c b/sys/arch/mvme88k/stand/openbsd/libbug/m88k/diskwr.c new file mode 100644 index 00000000000..681f521b5b0 --- /dev/null +++ b/sys/arch/mvme88k/stand/openbsd/libbug/m88k/diskwr.c @@ -0,0 +1,19 @@ +/* + * bug routines -- assumes that the necessary sections of memory + * are preserved. + */ +#include <sys/types.h> +#include <machine/prom.h> + +/* returns 0: success, nonzero: error */ +int +mvmeprom_diskwr(arg) + struct mvmeprom_dskio *arg; +{ + int ret; + + asm volatile ("or r2,r0,%0": : "r" (arg) ); + MVMEPROM_CALL(MVMEPROM_DSKWR); + asm volatile ("or %0,r0,r2" : "=r" (ret)); + return (!(ret & 0x4)); +} |