Signed-off-by: Emilio G. Cota <c...@braap.org>
---
include/qemu/htm.h | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/include/qemu/htm.h b/include/qemu/htm.h
index dc84bc1..f367ee4 100644
--- a/include/qemu/htm.h
+++ b/include/qemu/htm.h
@@ -39,5 +39,44 @@ static inline void htm_abort(void)
{
_xabort(0);
}
+
+#elif defined(__powerpc64__)
+/* compile with -mhtm */
+#include <htmintrin.h>
+
+static inline int htm_begin(void)
+{
+ unsigned int status;
+
+ status = __builtin_tbegin(0);
+ if (likely(status)) {
+ return HTM_OK;
+ }
+ if (_TEXASRU_FAILURE_PERSISTENT(__builtin_get_texasru())) {
+ return HTM_ABORT_NORETRY;
+ }
+ return HTM_ABORT_RETRY;
+}
+
+static inline void htm_end(void)
+{
+ __builtin_tend(0);
+}
+
+static inline int htm_test(void)
+{
+ unsigned char state = _HTM_STATE(__builtin_ttest());
+
+ if (likely(state == _HTM_TRANSACTIONAL)) {
+ return 1;
+ }
+ return 0;
+}
+
+static inline void htm_abort(void)
+{
+ __builtin_tabort(0);
+}
+
#endif /* ISA */
#endif /* HTM_H */
--
2.5.0
