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Thu, 28 Mar 2024 19:24:26 GMT Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 86BF758066; Thu, 28 Mar 2024 19:24:24 +0000 (GMT) Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 06A4358054; Thu, 28 Mar 2024 19:24:24 +0000 (GMT) Received: from mamboa4.aus.stglabs.ibm.com (unknown [9.3.84.87]) by smtpav04.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 28 Mar 2024 19:24:23 +0000 (GMT) From: Glenn Miles To: qemu-ppc@nongnu.org Cc: Glenn Miles , qemu-devel@nongnu.org, Daniel Henrique Barboza , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= , Nicholas Piggin , David Gibson , Peter Maydell Subject: [PATCH v4 0/4] Add BHRB Facility Support Date: Thu, 28 Mar 2024 14:23:52 -0500 Message-Id: <20240328192356.2144086-1-milesg@linux.vnet.ibm.com> X-Mailer: git-send-email 2.31.8 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 9Ol4_miF-hgmK5jxJvBA4pnnOaDgx3BR X-Proofpoint-GUID: lXAB08f20FqFcRElrq7efthtalzxjgc0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-28_17,2024-03-28_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 suspectscore=0 bulkscore=0 mlxlogscore=440 lowpriorityscore=0 phishscore=0 malwarescore=0 adultscore=0 spamscore=0 impostorscore=0 priorityscore=1501 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2403210000 definitions=main-2403280136 Received-SPF: none client-ip=148.163.156.1; envelope-from=milesg@linux.vnet.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This is a series of patches for adding support for the Branch History Rolling Buffer (BHRB) facility. This was added to the Power ISA starting with version 2.07. Changes were subsequently made in version 3.1 to limit BHRB recording to instructions run in problem state only and to add a control bit to disable recording (MMCRA[BHRBRD]). Changes from previous version: - Rebased on latest master head (req'd changing cpu_env to tcg_env) - Fixed compiler errors for non ppc64-softmmu targets - Fixed compiler errors from compiling on 32-bit platforms Glenn Miles (4): target/ppc: Add new hflags to support BHRB target/ppc: Add recording of taken branches to BHRB target/ppc: Add clrbhrb and mfbhrbe instructions target/ppc: Add migration support for BHRB target/ppc/cpu.h | 24 ++++++ target/ppc/cpu_init.c | 41 +++++++++- target/ppc/helper.h | 8 ++ target/ppc/helper_regs.c | 37 +++++++++ target/ppc/insn32.decode | 8 ++ target/ppc/machine.c | 23 +++++- target/ppc/misc_helper.c | 50 ++++++++++++ target/ppc/power8-pmu-regs.c.inc | 5 ++ target/ppc/power8-pmu.c | 48 +++++++++++- target/ppc/power8-pmu.h | 11 ++- target/ppc/spr_common.h | 1 + target/ppc/translate.c | 102 +++++++++++++++++++++++-- target/ppc/translate/bhrb-impl.c.inc | 43 +++++++++++ target/ppc/translate/branch-impl.c.inc | 2 +- 14 files changed, 386 insertions(+), 17 deletions(-) create mode 100644 target/ppc/translate/bhrb-impl.c.inc