From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52883) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bcgV6-0006ea-0S for qemu-devel@nongnu.org; Wed, 24 Aug 2016 18:18:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bcgV3-0004Ma-Vi for qemu-devel@nongnu.org; Wed, 24 Aug 2016 18:18:22 -0400 Received: from out2-smtp.messagingengine.com ([66.111.4.26]:43593) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bcgV2-0004Jm-MI for qemu-devel@nongnu.org; Wed, 24 Aug 2016 18:18:21 -0400 From: "Emilio G. Cota" Date: Wed, 24 Aug 2016 18:18:02 -0400 Message-Id: <1472077083-15022-7-git-send-email-cota@braap.org> In-Reply-To: <1472077083-15022-1-git-send-email-cota@braap.org> References: <20160824211240.GA26546@flamenco> <1472077083-15022-1-git-send-email-cota@braap.org> Subject: [Qemu-devel] [PATCH 7/8] htm: add powerpc64 intrinsics List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: alex.bennee@linaro.org, mttcg@greensocs.com, qemu-devel@nongnu.org, fred.konrad@greensocs.com, a.rigo@virtualopensystems.com, bobby.prani@gmail.com, nikunj@linux.vnet.ibm.com, mark.burton@greensocs.com, pbonzini@redhat.com, jan.kiszka@siemens.com, serge.fdrv@gmail.com, peter.maydell@linaro.org, claudio.fontana@huawei.com, dgilbert@redhat.com, crosthwaite.peter@gmail.com Signed-off-by: Emilio G. Cota --- 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 + +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