From: Cyril Bur <cyrilbur@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: wei.guo.simon@gmail.com, mikey@neuling.org
Subject: [PATCH v4 12/20] selftests/powerpc: Add TM tcheck helpers in C
Date: Tue, 6 Sep 2016 09:44:40 +1000 [thread overview]
Message-ID: <20160905234448.5866-13-cyrilbur@gmail.com> (raw)
In-Reply-To: <20160905234448.5866-1-cyrilbur@gmail.com>
Signed-off-by: Cyril Bur <cyrilbur@gmail.com>
---
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
next prev parent reply other threads:[~2016-09-05 23:45 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-05 23:44 [PATCH v4 00/20] Consistent TM structures Cyril Bur
2016-09-05 23:44 ` [PATCH v4 01/20] selftests/powerpc: Compile selftests against headers without AT_HWCAP2 Cyril Bur
2016-09-05 23:44 ` [PATCH v4 02/20] powerpc: Always restore FPU/VEC/VSX if hardware transactional memory in use Cyril Bur
2016-09-05 23:44 ` [PATCH v4 03/20] powerpc: Add check_if_tm_restore_required() to giveup_all() Cyril Bur
2016-09-05 23:44 ` [PATCH v4 04/20] powerpc: Return the new MSR from msr_check_and_set() Cyril Bur
2016-09-05 23:44 ` [PATCH v4 05/20] powerpc: Never giveup a reclaimed thread when enabling kernel {fp, altivec, vsx} Cyril Bur
2016-09-05 23:44 ` [PATCH v4 06/20] powerpc: signals: Stop using current in signal code Cyril Bur
2016-09-05 23:44 ` [PATCH v4 07/20] selftests/powerpc: Check for VSX preservation across userspace preemption Cyril Bur
2016-09-05 23:44 ` [PATCH v4 08/20] selftests/powerpc: Rework FPU stack placement macros and move to header file Cyril Bur
2016-09-05 23:44 ` [PATCH v4 09/20] selftests/powerpc: Move VMX stack frame macros " Cyril Bur
2016-09-05 23:44 ` [PATCH v4 10/20] selftests/powerpc: Introduce GPR asm helper " Cyril Bur
2016-09-05 23:44 ` [PATCH v4 11/20] selftests/powerpc: Allow tests to extend their kill timeout Cyril Bur
2016-09-05 23:44 ` Cyril Bur [this message]
2016-09-05 23:44 ` [PATCH v4 13/20] selftests/powerpc: Check that signals always get delivered Cyril Bur
2016-09-05 23:44 ` [PATCH v4 14/20] selftests/powerpc: Add checks for transactional GPRs in signal contexts Cyril Bur
2016-09-05 23:44 ` [PATCH v4 15/20] selftests/powerpc: Add checks for transactional FPUs " Cyril Bur
2016-09-05 23:44 ` [PATCH v4 16/20] selftests/powerpc: Add checks for transactional VMXs " Cyril Bur
2016-09-05 23:44 ` [PATCH v4 17/20] selftests/powerpc: Add checks for transactional VSXs " Cyril Bur
2016-09-05 23:44 ` [PATCH v4 18/20] powerpc: tm: Always use fp_state and vr_state to store live registers Cyril Bur
2016-09-05 23:44 ` [PATCH v4 19/20] powerpc: tm: Rename transct_(*) to ck(\1)_state Cyril Bur
2016-09-05 23:44 ` [PATCH v4 20/20] powerpc: Remove do_load_up_transact_{fpu,altivec} Cyril Bur
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