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-rw-r--r--hw/sysbus.c297
1 files changed, 0 insertions, 297 deletions
diff --git a/hw/sysbus.c b/hw/sysbus.c
deleted file mode 100644
index 9d8b1eaf7d..0000000000
--- a/hw/sysbus.c
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
- * System (CPU) Bus device support code
- *
- * Copyright (c) 2009 CodeSourcery
- *
- * 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 "sysbus.h"
-#include "monitor.h"
-#include "exec-memory.h"
-
-static void sysbus_dev_print(Monitor *mon, DeviceState *dev, int indent);
-static char *sysbus_get_fw_dev_path(DeviceState *dev);
-
-static void system_bus_class_init(ObjectClass *klass, void *data)
-{
- BusClass *k = BUS_CLASS(klass);
-
- k->print_dev = sysbus_dev_print;
- k->get_fw_dev_path = sysbus_get_fw_dev_path;
-}
-
-static const TypeInfo system_bus_info = {
- .name = TYPE_SYSTEM_BUS,
- .parent = TYPE_BUS,
- .instance_size = sizeof(BusState),
- .class_init = system_bus_class_init,
-};
-
-void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq)
-{
- assert(n >= 0 && n < dev->num_irq);
- dev->irqs[n] = NULL;
- if (dev->irqp[n]) {
- *dev->irqp[n] = irq;
- }
-}
-
-void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr)
-{
- assert(n >= 0 && n < dev->num_mmio);
-
- if (dev->mmio[n].addr == addr) {
- /* ??? region already mapped here. */
- return;
- }
- if (dev->mmio[n].addr != (target_phys_addr_t)-1) {
- /* Unregister previous mapping. */
- memory_region_del_subregion(get_system_memory(), dev->mmio[n].memory);
- }
- dev->mmio[n].addr = addr;
- memory_region_add_subregion(get_system_memory(),
- addr,
- dev->mmio[n].memory);
-}
-
-
-/* Request an IRQ source. The actual IRQ object may be populated later. */
-void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p)
-{
- int n;
-
- assert(dev->num_irq < QDEV_MAX_IRQ);
- n = dev->num_irq++;
- dev->irqp[n] = p;
-}
-
-/* Pass IRQs from a target device. */
-void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target)
-{
- int i;
- assert(dev->num_irq == 0);
- dev->num_irq = target->num_irq;
- for (i = 0; i < dev->num_irq; i++) {
- dev->irqp[i] = target->irqp[i];
- }
-}
-
-void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory)
-{
- int n;
-
- assert(dev->num_mmio < QDEV_MAX_MMIO);
- n = dev->num_mmio++;
- dev->mmio[n].addr = -1;
- dev->mmio[n].memory = memory;
-}
-
-MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n)
-{
- return dev->mmio[n].memory;
-}
-
-void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size)
-{
- pio_addr_t i;
-
- for (i = 0; i < size; i++) {
- assert(dev->num_pio < QDEV_MAX_PIO);
- dev->pio[dev->num_pio++] = ioport++;
- }
-}
-
-static int sysbus_device_init(DeviceState *dev)
-{
- SysBusDevice *sd = SYS_BUS_DEVICE(dev);
- SysBusDeviceClass *sbc = SYS_BUS_DEVICE_GET_CLASS(sd);
-
- return sbc->init(sd);
-}
-
-DeviceState *sysbus_create_varargs(const char *name,
- target_phys_addr_t addr, ...)
-{
- DeviceState *dev;
- SysBusDevice *s;
- va_list va;
- qemu_irq irq;
- int n;
-
- dev = qdev_create(NULL, name);
- s = sysbus_from_qdev(dev);
- qdev_init_nofail(dev);
- if (addr != (target_phys_addr_t)-1) {
- sysbus_mmio_map(s, 0, addr);
- }
- va_start(va, addr);
- n = 0;
- while (1) {
- irq = va_arg(va, qemu_irq);
- if (!irq) {
- break;
- }
- sysbus_connect_irq(s, n, irq);
- n++;
- }
- va_end(va);
- return dev;
-}
-
-DeviceState *sysbus_try_create_varargs(const char *name,
- target_phys_addr_t addr, ...)
-{
- DeviceState *dev;
- SysBusDevice *s;
- va_list va;
- qemu_irq irq;
- int n;
-
- dev = qdev_try_create(NULL, name);
- if (!dev) {
- return NULL;
- }
- s = sysbus_from_qdev(dev);
- qdev_init_nofail(dev);
- if (addr != (target_phys_addr_t)-1) {
- sysbus_mmio_map(s, 0, addr);
- }
- va_start(va, addr);
- n = 0;
- while (1) {
- irq = va_arg(va, qemu_irq);
- if (!irq) {
- break;
- }
- sysbus_connect_irq(s, n, irq);
- n++;
- }
- va_end(va);
- return dev;
-}
-
-static void sysbus_dev_print(Monitor *mon, DeviceState *dev, int indent)
-{
- SysBusDevice *s = sysbus_from_qdev(dev);
- target_phys_addr_t size;
- int i;
-
- monitor_printf(mon, "%*sirq %d\n", indent, "", s->num_irq);
- for (i = 0; i < s->num_mmio; i++) {
- size = memory_region_size(s->mmio[i].memory);
- monitor_printf(mon, "%*smmio " TARGET_FMT_plx "/" TARGET_FMT_plx "\n",
- indent, "", s->mmio[i].addr, size);
- }
-}
-
-static char *sysbus_get_fw_dev_path(DeviceState *dev)
-{
- SysBusDevice *s = sysbus_from_qdev(dev);
- char path[40];
- int off;
-
- off = snprintf(path, sizeof(path), "%s", qdev_fw_name(dev));
-
- if (s->num_mmio) {
- snprintf(path + off, sizeof(path) - off, "@"TARGET_FMT_plx,
- s->mmio[0].addr);
- } else if (s->num_pio) {
- snprintf(path + off, sizeof(path) - off, "@i%04x", s->pio[0]);
- }
-
- return strdup(path);
-}
-
-void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr,
- MemoryRegion *mem)
-{
- memory_region_add_subregion(get_system_memory(), addr, mem);
-}
-
-void sysbus_add_memory_overlap(SysBusDevice *dev, target_phys_addr_t addr,
- MemoryRegion *mem, unsigned priority)
-{
- memory_region_add_subregion_overlap(get_system_memory(), addr, mem,
- priority);
-}
-
-void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem)
-{
- memory_region_del_subregion(get_system_memory(), mem);
-}
-
-void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t addr,
- MemoryRegion *mem)
-{
- memory_region_add_subregion(get_system_io(), addr, mem);
-}
-
-void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem)
-{
- memory_region_del_subregion(get_system_io(), mem);
-}
-
-MemoryRegion *sysbus_address_space(SysBusDevice *dev)
-{
- return get_system_memory();
-}
-
-static void sysbus_device_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *k = DEVICE_CLASS(klass);
- k->init = sysbus_device_init;
- k->bus_type = TYPE_SYSTEM_BUS;
-}
-
-static TypeInfo sysbus_device_type_info = {
- .name = TYPE_SYS_BUS_DEVICE,
- .parent = TYPE_DEVICE,
- .instance_size = sizeof(SysBusDevice),
- .abstract = true,
- .class_size = sizeof(SysBusDeviceClass),
- .class_init = sysbus_device_class_init,
-};
-
-/* This is a nasty hack to allow passing a NULL bus to qdev_create. */
-static BusState *main_system_bus;
-
-static void main_system_bus_create(void)
-{
- /* assign main_system_bus before qbus_create_inplace()
- * in order to make "if (bus != sysbus_get_default())" work */
- main_system_bus = g_malloc0(system_bus_info.instance_size);
- qbus_create_inplace(main_system_bus, TYPE_SYSTEM_BUS, NULL,
- "main-system-bus");
- main_system_bus->glib_allocated = true;
- object_property_add_child(container_get(qdev_get_machine(),
- "/unattached"),
- "sysbus", OBJECT(main_system_bus), NULL);
-}
-
-BusState *sysbus_get_default(void)
-{
- if (!main_system_bus) {
- main_system_bus_create();
- }
- return main_system_bus;
-}
-
-static void sysbus_register_types(void)
-{
- type_register_static(&system_bus_info);
- type_register_static(&sysbus_device_type_info);
-}
-
-type_init(sysbus_register_types)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 22:39:34 +0000