sysbus: add helpers to add and delete memory regions to the system bus
Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
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58160bafa2
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hw/sysbus.c
22
hw/sysbus.c
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@ -256,3 +256,25 @@ static char *sysbus_get_fw_dev_path(DeviceState *dev)
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return strdup(path);
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return strdup(path);
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}
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}
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void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr,
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MemoryRegion *mem)
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{
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memory_region_add_subregion(get_system_memory(), addr, mem);
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}
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void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem)
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{
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memory_region_del_subregion(get_system_memory(), mem);
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}
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void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t addr,
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MemoryRegion *mem)
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{
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memory_region_add_subregion(get_system_io(), addr, mem);
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}
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void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem)
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{
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memory_region_del_subregion(get_system_io(), mem);
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}
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@ -57,6 +57,12 @@ void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size);
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void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq);
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void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq);
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void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr);
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void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr);
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void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr,
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MemoryRegion *mem);
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void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem);
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void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t addr,
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MemoryRegion *mem);
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void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem);
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/* Legacy helper function for creating devices. */
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/* Legacy helper function for creating devices. */
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DeviceState *sysbus_create_varargs(const char *name,
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DeviceState *sysbus_create_varargs(const char *name,
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