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Tsirkin" , Bernhard Beschow Subject: [PATCH v8 15/23] hw/isa/piix4: Reuse struct PIIXState from PIIX3 Date: Thu, 2 Mar 2023 22:21:53 +0100 Message-Id: <20230302212201.224360-16-shentey@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230302212201.224360-1-shentey@gmail.com> References: <20230302212201.224360-1-shentey@gmail.com> MIME-Version: 1.0 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::532; envelope-from=shentey@gmail.com; helo=mail-ed1-x532.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1677792269930100005 Content-Type: text/plain; charset="utf-8" PIIX4 has its own, private PIIX4State structure. PIIX3 has almost the same structure, provided in a public header. So reuse it and add a cpu_intr attribute which is only used by PIIX4. Signed-off-by: Bernhard Beschow --- include/hw/southbridge/piix.h | 1 + hw/isa/piix4.c | 62 +++++++++++------------------------ 2 files changed, 21 insertions(+), 42 deletions(-) diff --git a/include/hw/southbridge/piix.h b/include/hw/southbridge/piix.h index 62fc5ddab9..b60061d2d7 100644 --- a/include/hw/southbridge/piix.h +++ b/include/hw/southbridge/piix.h @@ -50,6 +50,7 @@ struct PIIXState { #endif uint64_t pic_levels; =20 + qemu_irq cpu_intr; qemu_irq *pic; =20 /* This member isn't used. Just for save/load compatibility */ diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c index a88ae859c4..b74b7dc5d3 100644 --- a/hw/isa/piix4.c +++ b/hw/isa/piix4.c @@ -42,33 +42,10 @@ #include "sysemu/runstate.h" #include "qom/object.h" =20 -struct PIIX4State { - PCIDevice dev; - qemu_irq cpu_intr; - qemu_irq *isa; - - MC146818RtcState rtc; - PCIIDEState ide; - UHCIState uhci; - PIIX4PMState pm; - - uint32_t smb_io_base; - - /* Reset Control Register */ - MemoryRegion rcr_mem; - uint8_t rcr; - - bool has_acpi; - bool has_usb; - bool smm_enabled; -}; - -OBJECT_DECLARE_SIMPLE_TYPE(PIIX4State, PIIX4_PCI_DEVICE) - static void piix4_set_irq(void *opaque, int irq_num, int level) { int i, pic_irq, pic_level; - PIIX4State *s =3D opaque; + PIIXState *s =3D opaque; PCIBus *bus =3D pci_get_bus(&s->dev); =20 /* now we change the pic irq level according to the piix irq mappings = */ @@ -82,13 +59,13 @@ static void piix4_set_irq(void *opaque, int irq_num, in= t level) pic_level |=3D pci_bus_get_irq_level(bus, i); } } - qemu_set_irq(s->isa[pic_irq], pic_level); + qemu_set_irq(s->pic[pic_irq], pic_level); } } =20 static void piix4_isa_reset(DeviceState *dev) { - PIIX4State *d =3D PIIX4_PCI_DEVICE(dev); + PIIXState *d =3D PIIX_PCI_DEVICE(dev); uint8_t *pci_conf =3D d->dev.config; =20 pci_conf[0x04] =3D 0x07; // master, memory and I/O @@ -123,12 +100,13 @@ static void piix4_isa_reset(DeviceState *dev) pci_conf[0xac] =3D 0x00; pci_conf[0xae] =3D 0x00; =20 + d->pic_levels =3D 0; /* not used in PIIX4 */ d->rcr =3D 0; } =20 static int piix4_post_load(void *opaque, int version_id) { - PIIX4State *s =3D opaque; + PIIXState *s =3D opaque; =20 if (version_id =3D=3D 2) { s->rcr =3D 0; @@ -143,22 +121,22 @@ static const VMStateDescription vmstate_piix4 =3D { .minimum_version_id =3D 2, .post_load =3D piix4_post_load, .fields =3D (VMStateField[]) { - VMSTATE_PCI_DEVICE(dev, PIIX4State), - VMSTATE_UINT8_V(rcr, PIIX4State, 3), + VMSTATE_PCI_DEVICE(dev, PIIXState), + VMSTATE_UINT8_V(rcr, PIIXState, 3), VMSTATE_END_OF_LIST() } }; =20 static void piix4_request_i8259_irq(void *opaque, int irq, int level) { - PIIX4State *s =3D opaque; + PIIXState *s =3D opaque; qemu_set_irq(s->cpu_intr, level); } =20 static void piix4_rcr_write(void *opaque, hwaddr addr, uint64_t val, unsigned int len) { - PIIX4State *s =3D opaque; + PIIXState *s =3D opaque; =20 if (val & 4) { qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); @@ -170,7 +148,7 @@ static void piix4_rcr_write(void *opaque, hwaddr addr, = uint64_t val, =20 static uint64_t piix4_rcr_read(void *opaque, hwaddr addr, unsigned int len) { - PIIX4State *s =3D opaque; + PIIXState *s =3D opaque; =20 return s->rcr; } @@ -187,7 +165,7 @@ static const MemoryRegionOps piix4_rcr_ops =3D { =20 static void piix4_realize(PCIDevice *dev, Error **errp) { - PIIX4State *s =3D PIIX4_PCI_DEVICE(dev); + PIIXState *s =3D PIIX_PCI_DEVICE(dev); PCIBus *pci_bus =3D pci_get_bus(dev); ISABus *isa_bus; qemu_irq *i8259_out_irq; @@ -208,10 +186,10 @@ static void piix4_realize(PCIDevice *dev, Error **err= p) =20 /* initialize i8259 pic */ i8259_out_irq =3D qemu_allocate_irqs(piix4_request_i8259_irq, s, 1); - s->isa =3D i8259_init(isa_bus, *i8259_out_irq); + s->pic =3D i8259_init(isa_bus, *i8259_out_irq); =20 /* initialize ISA irqs */ - isa_bus_register_input_irqs(isa_bus, s->isa); + isa_bus_register_input_irqs(isa_bus, s->pic); =20 /* initialize pit */ i8254_pit_init(isa_bus, 0x40, 0, NULL); @@ -251,7 +229,7 @@ static void piix4_realize(PCIDevice *dev, Error **errp) if (!qdev_realize(DEVICE(&s->pm), BUS(pci_bus), errp)) { return; } - qdev_connect_gpio_out(DEVICE(&s->pm), 0, s->isa[9]); + qdev_connect_gpio_out(DEVICE(&s->pm), 0, s->pic[9]); } =20 pci_bus_irqs(pci_bus, piix4_set_irq, s, PIIX_NUM_PIRQS); @@ -259,17 +237,17 @@ static void piix4_realize(PCIDevice *dev, Error **err= p) =20 static void piix4_init(Object *obj) { - PIIX4State *s =3D PIIX4_PCI_DEVICE(obj); + PIIXState *s =3D PIIX_PCI_DEVICE(obj); =20 object_initialize_child(obj, "rtc", &s->rtc, TYPE_MC146818_RTC); object_initialize_child(obj, "ide", &s->ide, TYPE_PIIX4_IDE); } =20 static Property piix4_props[] =3D { - DEFINE_PROP_UINT32("smb_io_base", PIIX4State, smb_io_base, 0), - DEFINE_PROP_BOOL("has-acpi", PIIX4State, has_acpi, true), - DEFINE_PROP_BOOL("has-usb", PIIX4State, has_usb, true), - DEFINE_PROP_BOOL("smm-enabled", PIIX4State, smm_enabled, false), + DEFINE_PROP_UINT32("smb_io_base", PIIXState, smb_io_base, 0), + DEFINE_PROP_BOOL("has-acpi", PIIXState, has_acpi, true), + DEFINE_PROP_BOOL("has-usb", PIIXState, has_usb, true), + DEFINE_PROP_BOOL("smm-enabled", PIIXState, smm_enabled, false), DEFINE_PROP_END_OF_LIST(), }; =20 @@ -297,7 +275,7 @@ static void piix4_class_init(ObjectClass *klass, void *= data) static const TypeInfo piix4_info =3D { .name =3D TYPE_PIIX4_PCI_DEVICE, .parent =3D TYPE_PCI_DEVICE, - .instance_size =3D sizeof(PIIX4State), + .instance_size =3D sizeof(PIIXState), .instance_init =3D piix4_init, .class_init =3D piix4_class_init, .interfaces =3D (InterfaceInfo[]) { --=20 2.39.2