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sysbus: Add dynamic sysbus device search

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Sysbus devices can be spawned by C code or dynamically via the command line.
In the latter case, we need to be able to find the dynamically created devices
to do things with them.

This patch adds a search helper that makes it easy to look for dynamically
spawned sysbus devices.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2014-09-24 13:06:57 +02:00
parent f8833a37c0
commit eb5722801c
2 changed files with 50 additions and 0 deletions
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5
include/hw/sysbus.h
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@ -57,6 +57,8 @@ struct SysBusDevice {
pio_addr_t pio[QDEV_MAX_PIO];
};
typedef int FindSysbusDeviceFunc(SysBusDevice *sbdev, void *opaque);
void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory);
MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n);
void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);
@ -72,6 +74,9 @@ void sysbus_add_io(SysBusDevice *dev, hwaddr addr,
MemoryRegion *mem);
MemoryRegion *sysbus_address_space(SysBusDevice *dev);
/* Call func for every dynamically created sysbus device in the system */
void foreach_dynamic_sysbus_device(FindSysbusDeviceFunc *func, void *opaque);
/* Legacy helper function for creating devices. */
DeviceState *sysbus_create_varargs(const char *name,
hwaddr addr, ...);