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xilinx.h: Error check when setting links 

Assert that the ethernet and dma controller are sucessfully linked to their
peers.

Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>
This commit is contained in:
Peter A. G. Crosthwaite 2012-09-17 13:41:39 +10:00 committed by Edgar E. Iglesias
parent 919f89f44c
commit 4b5e52101f
1 changed files with 8 additions and 2 deletions
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10
hw/xilinx.h
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@ -55,13 +55,16 @@ xilinx_axiethernet_create(NICInfo *nd, StreamSlave *peer,
int txmem, int rxmem)
{
DeviceState *dev;
Error *errp = NULL;
qemu_check_nic_model(nd, "xlnx.axi-ethernet");
dev = qdev_create(NULL, "xlnx.axi-ethernet");
qdev_set_nic_properties(dev, nd);
qdev_prop_set_uint32(dev, "rxmem", rxmem);
qdev_prop_set_uint32(dev, "txmem", txmem);
object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", NULL);
object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", &errp);
assert_no_error(errp);
qdev_init_nofail(dev);
sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
@ -74,8 +77,11 @@ xilinx_axiethernetdma_init(DeviceState *dev, StreamSlave *peer,
target_phys_addr_t base, qemu_irq irq,
qemu_irq irq2, int freqhz)
{
Error *errp = NULL;
qdev_prop_set_uint32(dev, "freqhz", freqhz);
object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", NULL);
object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", &errp);
assert_no_error(errp);
qdev_init_nofail(dev);
sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);