diff options
Diffstat (limited to 'qemu/hw/isa/isa-bus.c')
| -rw-r--r-- | qemu/hw/isa/isa-bus.c | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/qemu/hw/isa/isa-bus.c b/qemu/hw/isa/isa-bus.c deleted file mode 100644 index 7aa115caf..000000000 --- a/qemu/hw/isa/isa-bus.c +++ /dev/null @@ -1,310 +0,0 @@ -/* - * isa bus support for qdev. - * - * Copyright (c) 2009 Gerd Hoffmann <kraxel@redhat.com> - * - * 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 "qapi/error.h" -#include "hw/hw.h" -#include "monitor/monitor.h" -#include "hw/sysbus.h" -#include "sysemu/sysemu.h" -#include "hw/isa/isa.h" -#include "hw/i386/pc.h" - -static ISABus *isabus; - -static void isabus_dev_print(Monitor *mon, DeviceState *dev, int indent); -static char *isabus_get_fw_dev_path(DeviceState *dev); - -static void isa_bus_class_init(ObjectClass *klass, void *data) -{ - BusClass *k = BUS_CLASS(klass); - - k->print_dev = isabus_dev_print; - k->get_fw_dev_path = isabus_get_fw_dev_path; -} - -static const TypeInfo isa_dma_info = { - .name = TYPE_ISADMA, - .parent = TYPE_INTERFACE, - .class_size = sizeof(IsaDmaClass), -}; - -static const TypeInfo isa_bus_info = { - .name = TYPE_ISA_BUS, - .parent = TYPE_BUS, - .instance_size = sizeof(ISABus), - .class_init = isa_bus_class_init, -}; - -ISABus *isa_bus_new(DeviceState *dev, MemoryRegion* address_space, - MemoryRegion *address_space_io, Error **errp) -{ - if (isabus) { - error_setg(errp, "Can't create a second ISA bus"); - return NULL; - } - if (!dev) { - dev = qdev_create(NULL, "isabus-bridge"); - qdev_init_nofail(dev); - } - - isabus = ISA_BUS(qbus_create(TYPE_ISA_BUS, dev, NULL)); - isabus->address_space = address_space; - isabus->address_space_io = address_space_io; - return isabus; -} - -void isa_bus_irqs(ISABus *bus, qemu_irq *irqs) -{ - bus->irqs = irqs; -} - -/* - * isa_get_irq() returns the corresponding qemu_irq entry for the i8259. - * - * This function is only for special cases such as the 'ferr', and - * temporary use for normal devices until they are converted to qdev. - */ -qemu_irq isa_get_irq(ISADevice *dev, int isairq) -{ - assert(!dev || ISA_BUS(qdev_get_parent_bus(DEVICE(dev))) == isabus); - if (isairq < 0 || isairq > 15) { - hw_error("isa irq %d invalid", isairq); - } - return isabus->irqs[isairq]; -} - -void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq) -{ - assert(dev->nirqs < ARRAY_SIZE(dev->isairq)); - dev->isairq[dev->nirqs] = isairq; - *p = isa_get_irq(dev, isairq); - dev->nirqs++; -} - -void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16) -{ - assert(bus && dma8 && dma16); - assert(!bus->dma[0] && !bus->dma[1]); - bus->dma[0] = dma8; - bus->dma[1] = dma16; -} - -IsaDma *isa_get_dma(ISABus *bus, int nchan) -{ - assert(bus); - return bus->dma[nchan > 3 ? 1 : 0]; -} - -static inline void isa_init_ioport(ISADevice *dev, uint16_t ioport) -{ - if (dev && (dev->ioport_id == 0 || ioport < dev->ioport_id)) { - dev->ioport_id = ioport; - } -} - -void isa_register_ioport(ISADevice *dev, MemoryRegion *io, uint16_t start) -{ - memory_region_add_subregion(isabus->address_space_io, start, io); - isa_init_ioport(dev, start); -} - -void isa_register_portio_list(ISADevice *dev, uint16_t start, - const MemoryRegionPortio *pio_start, - void *opaque, const char *name) -{ - PortioList piolist; - - /* START is how we should treat DEV, regardless of the actual - contents of the portio array. This is how the old code - actually handled e.g. the FDC device. */ - isa_init_ioport(dev, start); - - /* FIXME: the device should store created PortioList in its state. Note - that DEV can be NULL here and that single device can register several - portio lists. Current implementation is leaking memory allocated - in portio_list_init. The leak is not critical because it happens only - at initialization time. */ - portio_list_init(&piolist, OBJECT(dev), pio_start, opaque, name); - portio_list_add(&piolist, isabus->address_space_io, start); -} - -static void isa_device_init(Object *obj) -{ - ISADevice *dev = ISA_DEVICE(obj); - - dev->isairq[0] = -1; - dev->isairq[1] = -1; -} - -ISADevice *isa_create(ISABus *bus, const char *name) -{ - DeviceState *dev; - - dev = qdev_create(BUS(bus), name); - return ISA_DEVICE(dev); -} - -ISADevice *isa_try_create(ISABus *bus, const char *name) -{ - DeviceState *dev; - - dev = qdev_try_create(BUS(bus), name); - return ISA_DEVICE(dev); -} - -ISADevice *isa_create_simple(ISABus *bus, const char *name) -{ - ISADevice *dev; - - dev = isa_create(bus, name); - qdev_init_nofail(DEVICE(dev)); - return dev; -} - -ISADevice *isa_vga_init(ISABus *bus) -{ - switch (vga_interface_type) { - case VGA_CIRRUS: - return isa_create_simple(bus, "isa-cirrus-vga"); - case VGA_QXL: - fprintf(stderr, "%s: qxl: no PCI bus\n", __func__); - return NULL; - case VGA_STD: - return isa_create_simple(bus, "isa-vga"); - case VGA_VMWARE: - fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __func__); - return NULL; - case VGA_VIRTIO: - fprintf(stderr, "%s: virtio-vga: no PCI bus\n", __func__); - return NULL; - case VGA_NONE: - default: - return NULL; - } -} - -static void isabus_dev_print(Monitor *mon, DeviceState *dev, int indent) -{ - ISADevice *d = ISA_DEVICE(dev); - - if (d->isairq[1] != -1) { - monitor_printf(mon, "%*sisa irqs %d,%d\n", indent, "", - d->isairq[0], d->isairq[1]); - } else if (d->isairq[0] != -1) { - monitor_printf(mon, "%*sisa irq %d\n", indent, "", - d->isairq[0]); - } -} - -static void isabus_bridge_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->fw_name = "isa"; -} - -static const TypeInfo isabus_bridge_info = { - .name = "isabus-bridge", - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(SysBusDevice), - .class_init = isabus_bridge_class_init, -}; - -static void isa_device_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *k = DEVICE_CLASS(klass); - k->bus_type = TYPE_ISA_BUS; -} - -static const TypeInfo isa_device_type_info = { - .name = TYPE_ISA_DEVICE, - .parent = TYPE_DEVICE, - .instance_size = sizeof(ISADevice), - .instance_init = isa_device_init, - .abstract = true, - .class_size = sizeof(ISADeviceClass), - .class_init = isa_device_class_init, -}; - -static void isabus_register_types(void) -{ - type_register_static(&isa_dma_info); - type_register_static(&isa_bus_info); - type_register_static(&isabus_bridge_info); - type_register_static(&isa_device_type_info); -} - -static char *isabus_get_fw_dev_path(DeviceState *dev) -{ - ISADevice *d = ISA_DEVICE(dev); - char path[40]; - int off; - - off = snprintf(path, sizeof(path), "%s", qdev_fw_name(dev)); - if (d->ioport_id) { - snprintf(path + off, sizeof(path) - off, "@%04x", d->ioport_id); - } - - return g_strdup(path); -} - -MemoryRegion *isa_address_space(ISADevice *dev) -{ - if (dev) { - return isa_bus_from_device(dev)->address_space; - } - - return isabus->address_space; -} - -MemoryRegion *isa_address_space_io(ISADevice *dev) -{ - if (dev) { - return isa_bus_from_device(dev)->address_space_io; - } - - return isabus->address_space_io; -} - -type_init(isabus_register_types) - -static void parallel_init(ISABus *bus, int index, CharDriverState *chr) -{ - DeviceState *dev; - ISADevice *isadev; - - isadev = isa_create(bus, "isa-parallel"); - dev = DEVICE(isadev); - qdev_prop_set_uint32(dev, "index", index); - qdev_prop_set_chr(dev, "chardev", chr); - qdev_init_nofail(dev); -} - -void parallel_hds_isa_init(ISABus *bus, int n) -{ - int i; - - assert(n <= MAX_PARALLEL_PORTS); - - for (i = 0; i < n; i++) { - if (parallel_hds[i]) { - parallel_init(bus, i, parallel_hds[i]); - } - } -} |