diff options
Diffstat (limited to 'sys/arch/mvme88k/dev/bugio.c')
| -rw-r--r-- | sys/arch/mvme88k/dev/bugio.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/sys/arch/mvme88k/dev/bugio.c b/sys/arch/mvme88k/dev/bugio.c index 941c7f143b5..be68ef99c17 100644 --- a/sys/arch/mvme88k/dev/bugio.c +++ b/sys/arch/mvme88k/dev/bugio.c @@ -1,3 +1,5 @@ +/* $OpenBSD: bugio.c,v 1.2 1998/12/15 05:52:29 smurph Exp $ */ +/* Copyright (c) 1998 Steve Murphree, Jr. */ #include <machine/bugio.h> #define INCHR "0x0000" @@ -62,29 +64,14 @@ char buginchr(void) { register int cc asm("r2"); - BUGCTXT(); asm volatile ("or r9,r0," INCHR); asm volatile ("tb0 0,r0,0x1F0"); - /*asm("or %0,r0,r2" : "=r" (cc) : );*/ + asm volatile ("or %0,r0,r2" : "=r" (cc) : ); OSCTXT(); return ((char)cc & 0xFF); } -/* return 1 if not empty else 0 */ - -buginstat(void) -{ - int ret; - - BUGCTXT(); - asm volatile ("or r9,r0," INSTAT); - asm volatile ("tb0 0,r0,0x1F0"); - asm volatile ("or %0,r0,r2" : "=r" (ret) : ); - OSCTXT(); - return (ret & 0x40 ? 1 : 0); -} - bugoutchr(unsigned char c) { unsigned char cc; @@ -103,6 +90,20 @@ bugoutchr(unsigned char c) OSCTXT(); } +/* return 1 if not empty else 0 */ + +buginstat(void) +{ + int ret; + + BUGCTXT(); + asm volatile ("or r9,r0," INSTAT); + asm volatile ("tb0 0,r0,0x1F0"); + asm volatile ("or %0,r0,r2" : "=r" (ret) : ); + OSCTXT(); + return (ret & 0x4 ? 1 : 0); +} + bugoutstr(char *s, char *se) { BUGCTXT(); @@ -176,9 +177,9 @@ bugbrdid(struct bugbrdid *id) bugnetctrl(struct bugniocall *niocall) { - BUGCTXT(); +/* BUGCTXT();*/ asm("or r2,r0,%0" : : "r" (niocall)); asm("or r9,r0, " NETCTRL); asm("tb0 0,r0,0x1F0"); - OSCTXT(); +/* OSCTXT();*/ } |