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Sun, 23 Aug 2026 03:33:16 -0700 (PDT) Received: from smtpclient.apple ([117.55.237.216]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-327f922ac7bsm14389179eec.25.2026.08.23.03.33.14 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 23 Aug 2026 03:33:16 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.600.51.1.1\)) Subject: Re: [PATCH v1 4/5] hw/arm: Add Axiado SoC AX3005 From: Jack Wang <163wangjack@gmail.com> In-Reply-To: <20260820102132.361642-5-kchiu@axiado.com> Date: Sun, 23 Aug 2026 18:33:01 +0800 Cc: qemu-devel@nongnu.org, peter.maydell@linaro.org, Kuan-Jui Chiu Content-Transfer-Encoding: quoted-printable Message-Id: References: <20260820102132.361642-5-kchiu@axiado.com> To: kchiu@axiado.com X-Mailer: Apple Mail (2.3864.600.51.1.1) Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=163wangjack@gmail.com; helo=mail-pl1-x62f.google.com X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 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, FROM_STARTS_WITH_NUMS=0.738, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hi Kuan-Jui I tested this series with ax3005-evb machine,the initialization did not = complete. The process showed it repeatedly executing in 'ax3005_init' > +static const TypeInfo ax3005_soc_types[] =3D { > + { > + .name =3D TYPE_AX3005_SOC, > + .parent =3D TYPE_SYS_BUS_DEVICE, > + .instance_size =3D sizeof(Ax3005SoCState), > + .instance_init =3D ax3005_init, > + .class_init =3D ax3005_class_init, > + } > +}; You add instance_size here but forget to add class_size. Then qemu = defaultly use SysBusDeviceClass=E2=80=99s class_size cause of father-son = relationship. > +typedef struct Ax3005SoCClass { > + SysBusDeviceClass parent; > + > + uint32_t num_cpus; > +} Ax3005SoCClass; Here your struct apparently extend SysBusDeviceClass field. I think it = is the way why previous repeating behavior.After add class_size locally = and rebuild the the machine completed initialization and responded to = QMP commands successfully. Best regards :) Jack Wang