diff options
Diffstat (limited to 'sys/arch/mvme68k/dev/bug.c')
| -rw-r--r-- | sys/arch/mvme68k/dev/bug.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/sys/arch/mvme68k/dev/bug.c b/sys/arch/mvme68k/dev/bug.c index c463bf3a0a8..340ee115917 100644 --- a/sys/arch/mvme68k/dev/bug.c +++ b/sys/arch/mvme68k/dev/bug.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bug.c,v 1.3 1996/04/28 11:03:18 deraadt Exp $ */ +/* $OpenBSD: bug.c,v 1.4 1999/09/27 20:30:31 smurph Exp $ */ /* * Copyright (c) 1995 Dale Rahn. @@ -45,7 +45,7 @@ char bug_inchr() { int s = splhigh(); - char a; + volatile char a; promcall = 1; asm volatile ("subql #2,sp"); @@ -62,7 +62,7 @@ int bug_instat() { int s = splhigh(); - short ret; + volatile short ret; promcall = 1; MVMEPROM_CALL(MVMEPROM_INSTAT); @@ -126,7 +126,7 @@ int bug_diskrd(arg) bug_dskio *arg; { - int ret; + volatile int ret; promcall = 1; bug_drdcnt++; @@ -137,13 +137,14 @@ bug_diskrd(arg) promcall = 0; return (!(ret & 0x4)); } + /* returns 0: success, nonzero: error */ u_int bug_dwrcnt = 0; int bug_diskwr(arg) bug_dskio *arg; { - int ret; + volatile int ret; promcall = 1; bug_dwrcnt ++; @@ -246,3 +247,8 @@ asm_bug_stat() asm volatile ("movl _asm_callbuf+8,d0"); asm volatile ("movl _asm_callbuf+12,d1"); } + + + + + |