selftests/powerpc: Add TM tcheck helpers in C (8e03bd4e) · Commits · e / devices / android_kernel_oneplus_sm7250

tools/testing/selftests/powerpc/tm/tm.h

+27 −0

Original line number	Diff line number	Diff line
		@@ -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 */