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From: Cyril Bur <cyrilbur@gmail.com>
To: linuxppc-dev@lists.ozlabs.org, wei.guo.simon@gmail.com
Cc: mikey@neuling.org, anton@samba.org
Subject: [PATCH v3 13/21] selftests/powerpc: Add TM tcheck helpers in C
Date: Wed, 17 Aug 2016 13:43:15 +1000	[thread overview]
Message-ID: <20160817034323.23053-14-cyrilbur@gmail.com> (raw)
In-Reply-To: <20160817034323.23053-1-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

  parent reply	other threads:[~2016-08-17  3:44 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-17  3:43 [PATCH v3 00/21] Consistent TM structures Cyril Bur
2016-08-17  3:43 ` [PATCH v3 01/21] selftests/powerpc: Compile selftests against headers without AT_HWCAP2 Cyril Bur
2016-08-17  3:43 ` [PATCH v3 02/21] powerpc: Always restore FPU/VEC/VSX if hardware transactional memory in use Cyril Bur
2016-08-19  6:33   ` Michael Neuling
2016-08-23  0:57     ` Cyril Bur
2016-08-17  3:43 ` [PATCH v3 03/21] powerpc: Add check_if_tm_restore_required() to giveup_all() Cyril Bur
2016-08-19  6:40   ` Michael Neuling
2016-08-17  3:43 ` [PATCH v3 04/21] powerpc: Return the new MSR from msr_check_and_set() Cyril Bur
2016-08-17  3:53   ` Cyril Bur
2016-08-19  6:47   ` Michael Neuling
2016-08-17  3:43 ` [PATCH v3 05/21] powerpc: Never giveup a reclaimed thread when enabling kernel {fp, altivec, vsx} Cyril Bur
2016-08-17  3:43 ` [PATCH v3 06/21] powerpc: signals: Stop using current in signal code Cyril Bur
2016-08-17  4:31   ` kbuild test robot
2016-08-17  3:43 ` [PATCH v3 07/21] selftests/powerpc: Check for VSX preservation across userspace preemption Cyril Bur
2016-08-17  3:43 ` [PATCH v3 08/21] selftests/powerpc: Rework FPU stack placement macros and move to header file Cyril Bur
2016-08-17  3:43 ` [PATCH v3 09/21] selftests/powerpc: Move VMX stack frame macros " Cyril Bur
2016-08-17  3:43 ` [PATCH v3 10/21] selftests/powerpc: Introduce GPR asm helper " Cyril Bur
2016-08-17  3:43 ` [PATCH v3 11/21] selftests/powerpc: Add transactional memory defines Cyril Bur
2016-08-17  3:43 ` [PATCH v3 12/21] selftests/powerpc: Allow tests to extend their kill timeout Cyril Bur
2016-08-17  3:43 ` Cyril Bur [this message]
2016-08-17  3:43 ` [PATCH v3 14/21] selftests/powerpc: Check that signals always get delivered Cyril Bur
2016-08-17  3:43 ` [PATCH v3 15/21] selftests/powerpc: Add checks for transactional GPRs in signal contexts Cyril Bur
2016-08-17  3:43 ` [PATCH v3 16/21] selftests/powerpc: Add checks for transactional FPUs " Cyril Bur
2016-08-17  3:43 ` [PATCH v3 17/21] selftests/powerpc: Add checks for transactional VMXs " Cyril Bur
2016-08-17  3:43 ` [PATCH v3 18/21] selftests/powerpc: Add checks for transactional VSXs " Cyril Bur
2016-08-17  3:43 ` [PATCH v3 19/21] powerpc: tm: Always use fp_state and vr_state to store live registers Cyril Bur
2016-08-19  4:04   ` Simon Guo
2016-08-17  3:43 ` [PATCH v3 20/21] powerpc: tm: Rename transct_(*) to ck(\1)_state Cyril Bur
2016-08-17  3:43 ` [PATCH v3 21/21] powerpc: Remove do_load_up_transact_{fpu,altivec} Cyril Bur

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