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objdump -d to the rescue. I think this should work now.

This commit is contained in:
ad 2007-12-08 22:42:46 +00:00
parent 07f0bc85c9
commit 96f5ce86b9
1 changed files with 13 additions and 12 deletions
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25
common/lib/libc/arch/sparc/atomic/atomic_cas.S
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@ -1,4 +1,4 @@
/* $NetBSD: atomic_cas.S,v 1.2 2007/11/29 02:01:22 ad Exp $ */
/* $NetBSD: atomic_cas.S,v 1.3 2007/12/08 22:42:46 ad Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -40,18 +40,20 @@
#if defined(_KERNEL)
#include <machine/psl.h>
#include "opt_multiprocessor.h"
#define DISABLE_INTERRUPTS \
rd %psr, %o4 ! disable interrupts ;\
or %o4, PSR_IPL, %o5 ;\
rd %psr, %o4 /* disable interrupts */;\
or %o4, PSR_PIL, %o5 ;\
wr %o5, 0, %psr ;\
nop ;\
nop ;\
nop
#define RESTORE_INTERRUPTS \
wr %o4, 0, %psr ! re-enable interrupts ;\
wr %o4, 0, %psr /* enable interrupts */ ;\
nop ;\
nop ;\
nop
@ -65,27 +67,26 @@ _C_LABEL(_atomic_cas_locktab):
#define ACQUIRE_INTERLOCK \
DISABLE_INTERRUPTS ;\
srl %o0, 3, %o5 ! get interlock address ;\
srl %o0, 3, %o5 /* get lock address */ ;\
and %o5, 1023, %o5 ;\
set _C_LABEL(_atomic_cas_locktab), %o3 ;\
sethi %hi(_C_LABEL(_atomic_cas_locktab)), %o3 ;\
add %o5, %o3, %o5 ;\
;\
! %o5 has interlock address ;\
/* %o5 has interlock address */ ;\
;\
1: ldstub [%o5], %o3 ! acquire interlock ;\
1: ldstub [%o5], %o3 /* acquire lock */ ;\
tst %o3 ;\
bz,a 2f ;\
nop ;\
nop ;\
nop ;\
b,a 1b ! spin ;\
b,a 1b /* spin */ ;\
nop ;\
;\
! We now hold the interlock ;\
/* We now hold the interlock */ ;\
2:
#define RELEASE_INTERLOCK \
stb %g0, [%o5] ! release interlock ;\
stb %g0, [%o5] /* release interlock */ ;\
RESTORE_INTERRUPTS
#else /* ! MULTIPROCESSOR */