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Sun, 12 Nov 2023 08:50:22 -0800 (PST) From: Nikita Ostrenkov To: qemu-devel@nongnu.org Cc: Peter Maydell , qemu-arm@nongnu.org, Nikita Ostrenkov Subject: [PATCH] target/arm/tcg: enable pmu feature for cortex a9 Date: Sun, 12 Nov 2023 16:50:08 +0000 Message-Id: <20231112165008.1419-1-n.ostrenkov@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::132; envelope-from=n.ostrenkov@gmail.com; helo=mail-lf1-x132.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 From: Nikita Ostrenkov According to the technical reference manual Cortex A9 like Cortex A7 and Cortex A15 has Perfomance Unit Monitor (PMU) https://developer.arm.com/documentation/100511/0401/performance-monitoring-unit/about-the-performance-monitoring-unit --- target/arm/tcg/cpu32.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/tcg/cpu32.c b/target/arm/tcg/cpu32.c index 0d5d8e307d..0008c3f890 100644 --- a/target/arm/tcg/cpu32.c +++ b/target/arm/tcg/cpu32.c @@ -418,6 +418,7 @@ static void cortex_a9_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_NEON); set_feature(&cpu->env, ARM_FEATURE_THUMB2EE); set_feature(&cpu->env, ARM_FEATURE_EL3); + set_feature(&cpu->env, ARM_FEATURE_PMU); /* * Note that A9 supports the MP extensions even for * A9UP and single-core A9MP (which are both different