static void spapr_finalize_fdt(sPAPRMachineState *spapr, hwaddr fdt_addr, hwaddr rtas_addr, hwaddr rtas_size) { MachineState *machine = MACHINE(qdev_get_machine()); sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine); const char *boot_device = machine->boot_order; int ret, i; size_t cb = 0; char *bootlist; void *fdt; sPAPRPHBState *phb; fdt = g_malloc(FDT_MAX_SIZE); /* open out the base tree into a temp buffer for the final tweaks */ _FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE))); ret = spapr_populate_memory(spapr, fdt); if (ret < 0) { fprintf(stderr, "couldn't setup memory nodes in fdt\n"); exit(1); } ret = spapr_populate_vdevice(spapr->vio_bus, fdt); if (ret < 0) { fprintf(stderr, "couldn't setup vio devices in fdt\n"); exit(1); } if (object_resolve_path_type("", TYPE_SPAPR_RNG, NULL)) { ret = spapr_rng_populate_dt(fdt); if (ret < 0) { fprintf(stderr, "could not set up rng device in the fdt\n"); exit(1); } } QLIST_FOREACH(phb, &spapr->phbs, list) { ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); if (ret < 0) { error_report("couldn't setup PCI devices in fdt"); exit(1); } } /* RTAS */ ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size); if (ret < 0) { fprintf(stderr, "Couldn't set up RTAS device tree properties\n"); } /* cpus */ spapr_populate_cpus_dt_node(fdt, spapr); bootlist = get_boot_devices_list(&cb, true); if (cb && bootlist) { int offset = fdt_path_offset(fdt, "/chosen"); if (offset < 0) { exit(1); } for (i = 0; i < cb; i++) { if (bootlist[i] == '\n') { bootlist[i] = ' '; } } ret = fdt_setprop_string(fdt, offset, "qemu,boot-list", bootlist); } if (boot_device && strlen(boot_device)) { int offset = fdt_path_offset(fdt, "/chosen"); if (offset < 0) { exit(1); } fdt_setprop_string(fdt, offset, "qemu,boot-device", boot_device); } if (!spapr->has_graphics) { spapr_populate_chosen_stdout(fdt, spapr->vio_bus); } if (smc->dr_lmb_enabled) { _FDT(spapr_drc_populate_dt(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_LMB)); } if (smc->dr_cpu_enabled) { int offset = fdt_path_offset(fdt, "/cpus"); ret = spapr_drc_populate_dt(fdt, offset, NULL, SPAPR_DR_CONNECTOR_TYPE_CPU); if (ret < 0) { error_report("Couldn't set up CPU DR device tree properties"); exit(1); } } _FDT((fdt_pack(fdt))); if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { error_report("FDT too big ! 0x%x bytes (max is 0x%x)", fdt_totalsize(fdt), FDT_MAX_SIZE); exit(1); } qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); g_free(bootlist); g_free(fdt); }