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[77.205.46.194]) by smtp.gmail.com with ESMTPSA id y18-20020a5d6152000000b002425be3c9e2sm21330040wrt.60.2023.01.14.08.13.52 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sat, 14 Jan 2023 08:13:53 -0800 (PST) From: francesco.cagnin@gmail.com X-Google-Original-From: fcagnin@quarkslab.com To: qemu-devel@nongnu.org Cc: mads@ynddal.dk, dirty@apple.com, peter.maydell@linaro.org, qemu-arm@nongnu.org, agraf@csgraf.de, pbonzini@redhat.com, alex.bennee@linaro.org, Francesco Cagnin Subject: [PATCH v3 3/3] hvf: handle singlestepping over instructions which trigger a VM exit Date: Sat, 14 Jan 2023 17:13:02 +0100 Message-Id: <20230114161302.94595-4-fcagnin@quarkslab.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230114161302.94595-1-fcagnin@quarkslab.com> References: <20230114161302.94595-1-fcagnin@quarkslab.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=francesco.cagnin@gmail.com; helo=mail-wr1-x42a.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 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: Francesco Cagnin Signed-off-by: Francesco Cagnin --- target/arm/hvf/hvf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index c63e8da6a5..87c531508e 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -1807,6 +1807,10 @@ int hvf_vcpu_exec(CPUState *cpu) pc += 4; r = hv_vcpu_set_reg(cpu->hvf->fd, HV_REG_PC, pc); assert_hvf_ok(r); + + if (cpu->singlestep_enabled) { + ret = EXCP_DEBUG; + } } return ret;