Signed-off-by: Cyril Bur <redacted>
---
tools/testing/selftests/powerpc/tm/tm.h | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/tools/testing/selftests/powerpc/tm/tm.h b/tools/testing/selftests/powerpc/tm/tm.h
index 60318ba..2c8da74 100644
--- a/tools/testing/selftests/powerpc/tm/tm.h
+++ b/tools/testing/selftests/powerpc/tm/tm.h
@@ -52,4 +52,31 @@ static inline bool failure_is_nesting(void)
return (__builtin_get_texasru() & 0x400000);
}
+static inline int tcheck(void)
+{
+ long cr;
+ asm volatile ("tcheck 0" : "=r"(cr) : : "cr0");
+ return (cr >> 28) & 4;
+}
+
+static inline bool tcheck_doomed(void)
+{
+ return tcheck() & 8;
+}
+
+static inline bool tcheck_active(void)
+{
+ return tcheck() & 4;
+}
+
+static inline bool tcheck_suspended(void)
+{
+ return tcheck() & 2;
+}
+
+static inline bool tcheck_transactional(void)
+{
+ return tcheck() & 6;
+}
+
#endif /* _SELFTESTS_POWERPC_TM_TM_H */--
2.9.3