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Fri, 05 Jan 2024 02:24:36 -0800 (PST) From: =?UTF-8?q?Cl=C3=A9ment=20Chigot?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Cl=C3=A9ment=20Chigot?= , Frederic Konrad Subject: [PATCH 2/9] intc/grlib_irqmp: add ncpus property Date: Fri, 5 Jan 2024 11:24:14 +0100 Message-Id: <20240105102421.163554-3-chigot@adacore.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240105102421.163554-1-chigot@adacore.com> References: <20240105102421.163554-1-chigot@adacore.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::330; envelope-from=chigot@adacore.com; helo=mail-wm1-x330.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, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @adacore.com) X-ZM-MESSAGEID: 1704450361992100001 This adds a "ncpus" property to the "grlib-irqmp" device to be used later, this required a little refactoring of how we initialize the device (ie: use realize instead of init). Co-developed-by: Frederic Konrad Signed-off-by: Cl=C3=A9ment Chigot Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/intc/grlib_irqmp.c | 30 +++++++++++++++++++++--------- hw/sparc/leon3.c | 2 +- 2 files changed, 22 insertions(+), 10 deletions(-) diff --git a/hw/intc/grlib_irqmp.c b/hw/intc/grlib_irqmp.c index c994d5dacc..2bacc0ff56 100644 --- a/hw/intc/grlib_irqmp.c +++ b/hw/intc/grlib_irqmp.c @@ -1,7 +1,7 @@ /* * QEMU GRLIB IRQMP Emulator * - * (Multiprocessor and extended interrupt not supported) + * (Extended interrupt not supported) * * Copyright (c) 2010-2024 AdaCore * @@ -61,6 +61,7 @@ struct IRQMP { =20 MemoryRegion iomem; =20 + unsigned int ncpus; IRQMPState *state; qemu_irq irq; }; @@ -324,33 +325,44 @@ static void grlib_irqmp_reset(DeviceState *d) irqmp->state->parent =3D irqmp; } =20 -static void grlib_irqmp_init(Object *obj) +static void grlib_irqmp_realize(DeviceState *dev, Error **errp) { - IRQMP *irqmp =3D GRLIB_IRQMP(obj); - SysBusDevice *dev =3D SYS_BUS_DEVICE(obj); + IRQMP *irqmp =3D GRLIB_IRQMP(dev); =20 - qdev_init_gpio_in(DEVICE(obj), grlib_irqmp_set_irq, MAX_PILS); - qdev_init_gpio_out_named(DEVICE(obj), &irqmp->irq, "grlib-irq", 1); - memory_region_init_io(&irqmp->iomem, obj, &grlib_irqmp_ops, irqmp, + if ((!irqmp->ncpus) || (irqmp->ncpus > IRQMP_MAX_CPU)) { + error_setg(errp, "Invalid ncpus properties: " + "%u, must be 0 < ncpus =3D< %u.", irqmp->ncpus, + IRQMP_MAX_CPU); + } + + qdev_init_gpio_in(dev, grlib_irqmp_set_irq, MAX_PILS); + qdev_init_gpio_out_named(dev, &irqmp->irq, "grlib-irq", 1); + memory_region_init_io(&irqmp->iomem, OBJECT(dev), &grlib_irqmp_ops, ir= qmp, "irqmp", IRQMP_REG_SIZE); =20 irqmp->state =3D g_malloc0(sizeof *irqmp->state); =20 - sysbus_init_mmio(dev, &irqmp->iomem); + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &irqmp->iomem); } =20 +static Property grlib_irqmp_properties[] =3D { + DEFINE_PROP_UINT32("ncpus", IRQMP, ncpus, 1), + DEFINE_PROP_END_OF_LIST(), +}; + static void grlib_irqmp_class_init(ObjectClass *klass, void *data) { DeviceClass *dc =3D DEVICE_CLASS(klass); =20 + dc->realize =3D grlib_irqmp_realize; dc->reset =3D grlib_irqmp_reset; + device_class_set_props(dc, grlib_irqmp_properties); } =20 static const TypeInfo grlib_irqmp_info =3D { .name =3D TYPE_GRLIB_IRQMP, .parent =3D TYPE_SYS_BUS_DEVICE, .instance_size =3D sizeof(IRQMP), - .instance_init =3D grlib_irqmp_init, .class_init =3D grlib_irqmp_class_init, }; =20 diff --git a/hw/sparc/leon3.c b/hw/sparc/leon3.c index 58784c099a..7b9809b81f 100644 --- a/hw/sparc/leon3.c +++ b/hw/sparc/leon3.c @@ -263,11 +263,11 @@ static void leon3_generic_hw_init(MachineState *machi= ne) =20 /* Allocate IRQ manager */ irqmpdev =3D qdev_new(TYPE_GRLIB_IRQMP); + sysbus_realize_and_unref(SYS_BUS_DEVICE(irqmpdev), &error_fatal); qdev_init_gpio_in_named_with_opaque(DEVICE(cpu), leon3_set_pil_in, env, "pil", 1); qdev_connect_gpio_out_named(irqmpdev, "grlib-irq", 0, qdev_get_gpio_in_named(DEVICE(cpu), "pil",= 0)); - sysbus_realize_and_unref(SYS_BUS_DEVICE(irqmpdev), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(irqmpdev), 0, LEON3_IRQMP_OFFSET); env->irq_manager =3D irqmpdev; env->qemu_irq_ack =3D leon3_irq_manager; --=20 2.25.1