diff options
Diffstat (limited to 'qemu/hw/isa/i82378.c')
| -rw-r--r-- | qemu/hw/isa/i82378.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/qemu/hw/isa/i82378.c b/qemu/hw/isa/i82378.c deleted file mode 100644 index 4d29a9900..000000000 --- a/qemu/hw/isa/i82378.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * QEMU Intel i82378 emulation (PCI to ISA bridge) - * - * Copyright (c) 2010-2011 Hervé Poussineau - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "hw/pci/pci.h" -#include "hw/i386/pc.h" -#include "hw/timer/i8254.h" -#include "hw/audio/pcspk.h" - -#define TYPE_I82378 "i82378" -#define I82378(obj) \ - OBJECT_CHECK(I82378State, (obj), TYPE_I82378) - -typedef struct I82378State { - PCIDevice parent_obj; - - qemu_irq out[2]; - qemu_irq *i8259; - MemoryRegion io; -} I82378State; - -static const VMStateDescription vmstate_i82378 = { - .name = "pci-i82378", - .version_id = 0, - .minimum_version_id = 0, - .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(parent_obj, I82378State), - VMSTATE_END_OF_LIST() - }, -}; - -static void i82378_request_out0_irq(void *opaque, int irq, int level) -{ - I82378State *s = opaque; - qemu_set_irq(s->out[0], level); -} - -static void i82378_request_pic_irq(void *opaque, int irq, int level) -{ - DeviceState *dev = opaque; - I82378State *s = I82378(dev); - - qemu_set_irq(s->i8259[irq], level); -} - -static void i82378_realize(PCIDevice *pci, Error **errp) -{ - DeviceState *dev = DEVICE(pci); - I82378State *s = I82378(dev); - uint8_t *pci_conf; - ISABus *isabus; - ISADevice *isa; - - pci_conf = pci->config; - pci_set_word(pci_conf + PCI_COMMAND, - PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); - pci_set_word(pci_conf + PCI_STATUS, - PCI_STATUS_DEVSEL_MEDIUM); - - pci_config_set_interrupt_pin(pci_conf, 1); /* interrupt pin 0 */ - - isabus = isa_bus_new(dev, get_system_memory(), - pci_address_space_io(pci), errp); - if (!isabus) { - return; - } - - /* This device has: - 2 82C59 (irq) - 1 82C54 (pit) - 2 82C37 (dma) - NMI - Utility Bus Support Registers - - All devices accept byte access only, except timer - */ - - /* 2 82C59 (irq) */ - s->i8259 = i8259_init(isabus, - qemu_allocate_irq(i82378_request_out0_irq, s, 0)); - isa_bus_irqs(isabus, s->i8259); - - /* 1 82C54 (pit) */ - isa = pit_init(isabus, 0x40, 0, NULL); - - /* speaker */ - pcspk_init(isabus, isa); - - /* 2 82C37 (dma) */ - isa = isa_create_simple(isabus, "i82374"); - - /* timer */ - isa_create_simple(isabus, "mc146818rtc"); -} - -static void i82378_init(Object *obj) -{ - DeviceState *dev = DEVICE(obj); - I82378State *s = I82378(obj); - - qdev_init_gpio_out(dev, s->out, 1); - qdev_init_gpio_in(dev, i82378_request_pic_irq, 16); -} - -static void i82378_class_init(ObjectClass *klass, void *data) -{ - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - DeviceClass *dc = DEVICE_CLASS(klass); - - k->realize = i82378_realize; - k->vendor_id = PCI_VENDOR_ID_INTEL; - k->device_id = PCI_DEVICE_ID_INTEL_82378; - k->revision = 0x03; - k->class_id = PCI_CLASS_BRIDGE_ISA; - dc->vmsd = &vmstate_i82378; - set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); -} - -static const TypeInfo i82378_type_info = { - .name = TYPE_I82378, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(I82378State), - .instance_init = i82378_init, - .class_init = i82378_class_init, -}; - -static void i82378_register_types(void) -{ - type_register_static(&i82378_type_info); -} - -type_init(i82378_register_types) |