static int milkymist_minimac2_init(SysBusDevice *sbd) { DeviceState *dev = DEVICE(sbd); MilkymistMinimac2State *s = MILKYMIST_MINIMAC2(dev); size_t buffers_size = TARGET_PAGE_ALIGN(3 * MINIMAC2_BUFFER_SIZE); sysbus_init_irq(sbd, &s->rx_irq); sysbus_init_irq(sbd, &s->tx_irq); memory_region_init_io(&s->regs_region, OBJECT(dev), &minimac2_ops, s, "milkymist-minimac2", R_MAX * 4); sysbus_init_mmio(sbd, &s->regs_region); /* register buffers memory */ memory_region_init_ram(&s->buffers, OBJECT(dev), "milkymist-minimac2.buffers", buffers_size, &error_abort); vmstate_register_ram_global(&s->buffers); s->rx0_buf = memory_region_get_ram_ptr(&s->buffers); s->rx1_buf = s->rx0_buf + MINIMAC2_BUFFER_SIZE; s->tx_buf = s->rx1_buf + MINIMAC2_BUFFER_SIZE; sysbus_init_mmio(sbd, &s->buffers); qemu_macaddr_default_if_unset(&s->conf.macaddr); s->nic = qemu_new_nic(&net_milkymist_minimac2_info, &s->conf, object_get_typename(OBJECT(dev)), dev->id, s); qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); return 0; }