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authorNathan Froyd <froydnj@codesourcery.com>2009-08-03 08:43:25 -0700
committermalc <av1474@comtv.ru>2009-08-03 20:33:41 +0400
commit18b21a2f83a26c3d6a9e7f0bdc4e8eb2b177e8f6 (patch)
tree7e7a3100d4e34f207748ff34ab1be97231b3e467 /target-ppc/op_helper.c
parent174c80d51612ce33960965c75e40c922599a503e (diff)
target-ppc: retain l{w,d}arx loaded value
We do this so we can check on the corresponding stc{w,d}x. whether the value has changed. It's a poor man's form of implementing atomic operations and is valid only for NPTL usermode Linux emulation. Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: malc <av1474@comtv.ru>
Diffstat (limited to 'target-ppc/op_helper.c')
-rw-r--r--target-ppc/op_helper.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index ad6d8ee9b2..812282c746 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -329,8 +329,8 @@ static void do_dcbz(target_ulong addr, int dcache_line_size)
for (i = 0 ; i < dcache_line_size ; i += 4) {
stl(addr + i , 0);
}
- if (env->reserve == addr)
- env->reserve = (target_ulong)-1ULL;
+ if (env->reserve_addr == addr)
+ env->reserve_addr = (target_ulong)-1ULL;
}
void helper_dcbz(target_ulong addr)