diff options
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/acpi-build.c | 28 | ||||
| -rw-r--r-- | hw/i386/pc.c | 61 | ||||
| -rw-r--r-- | hw/i386/pc_piix.c | 4 |
3 files changed, 39 insertions, 54 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 9776812588..2af37a9129 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2288,6 +2288,9 @@ build_tpm2(GArray *table_data, BIOSLinker *linker) (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL, NULL); } +#define HOLE_640K_START (640 * 1024) +#define HOLE_640K_END (1024 * 1024) + static void build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) { @@ -2343,17 +2346,30 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine) next_base = 0; numa_start = table_data->len; - numamem = acpi_data_push(table_data, sizeof *numamem); - build_srat_memory(numamem, 0, 640 * 1024, 0, MEM_AFFINITY_ENABLED); - next_base = 1024 * 1024; for (i = 1; i < pcms->numa_nodes + 1; ++i) { mem_base = next_base; mem_len = pcms->node_mem[i - 1]; - if (i == 1) { - mem_len -= 1024 * 1024; - } next_base = mem_base + mem_len; + /* Cut out the 640K hole */ + if (mem_base <= HOLE_640K_START && + next_base > HOLE_640K_START) { + mem_len -= next_base - HOLE_640K_START; + if (mem_len > 0) { + numamem = acpi_data_push(table_data, sizeof *numamem); + build_srat_memory(numamem, mem_base, mem_len, i - 1, + MEM_AFFINITY_ENABLED); + } + + /* Check for the rare case: 640K < RAM < 1M */ + if (next_base <= HOLE_640K_END) { + next_base = HOLE_640K_END; + continue; + } + mem_base = HOLE_640K_END; + mem_len = next_base - HOLE_640K_END; + } + /* Cut out the ACPI_PCI hole */ if (mem_base <= pcms->below_4g_mem_size && next_base > pcms->below_4g_mem_size) { diff --git a/hw/i386/pc.c b/hw/i386/pc.c index ef5f30e644..05985d4927 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1107,7 +1107,6 @@ static void pc_new_cpu(const char *typename, int64_t apic_id, Error **errp) void pc_hot_add_cpu(const int64_t id, Error **errp) { - ObjectClass *oc; MachineState *ms = MACHINE(qdev_get_machine()); int64_t apic_id = x86_cpu_apic_id_from_index(id); Error *local_err = NULL; @@ -1124,9 +1123,7 @@ void pc_hot_add_cpu(const int64_t id, Error **errp) return; } - assert(ms->possible_cpus->cpus[0].cpu); /* BSP is always present */ - oc = OBJECT_CLASS(CPU_GET_CLASS(ms->possible_cpus->cpus[0].cpu)); - pc_new_cpu(object_class_get_name(oc), apic_id, &local_err); + pc_new_cpu(ms->cpu_type, apic_id, &local_err); if (local_err) { error_propagate(errp, local_err); return; @@ -1136,39 +1133,10 @@ void pc_hot_add_cpu(const int64_t id, Error **errp) void pc_cpus_init(PCMachineState *pcms) { int i; - CPUClass *cc; - ObjectClass *oc; - const char *typename; - gchar **model_pieces; const CPUArchIdList *possible_cpus; - MachineState *machine = MACHINE(pcms); + MachineState *ms = MACHINE(pcms); MachineClass *mc = MACHINE_GET_CLASS(pcms); - /* init CPUs */ - if (machine->cpu_model == NULL) { -#ifdef TARGET_X86_64 - machine->cpu_model = "qemu64"; -#else - machine->cpu_model = "qemu32"; -#endif - } - - model_pieces = g_strsplit(machine->cpu_model, ",", 2); - if (!model_pieces[0]) { - error_report("Invalid/empty CPU model name"); - exit(1); - } - - oc = cpu_class_by_name(TYPE_X86_CPU, model_pieces[0]); - if (oc == NULL) { - error_report("Unable to find CPU definition: %s", model_pieces[0]); - exit(1); - } - typename = object_class_get_name(oc); - cc = CPU_CLASS(oc); - cc->parse_features(typename, model_pieces[1], &error_fatal); - g_strfreev(model_pieces); - /* Calculates the limit to CPU APIC ID values * * Limit for the APIC ID value, so that all @@ -1177,9 +1145,9 @@ void pc_cpus_init(PCMachineState *pcms) * This is used for FW_CFG_MAX_CPUS. See comments on bochs_bios_init(). */ pcms->apic_id_limit = x86_cpu_apic_id_from_index(max_cpus - 1) + 1; - possible_cpus = mc->possible_cpu_arch_ids(machine); + possible_cpus = mc->possible_cpu_arch_ids(ms); for (i = 0; i < smp_cpus; i++) { - pc_new_cpu(typename, possible_cpus->cpus[i].arch_id, &error_fatal); + pc_new_cpu(ms->cpu_type, possible_cpus->cpus[i].arch_id, &error_fatal); } } @@ -2265,6 +2233,16 @@ pc_cpu_index_to_props(MachineState *ms, unsigned cpu_index) return possible_cpus->cpus[cpu_index].props; } +static int64_t pc_get_default_cpu_node_id(const MachineState *ms, int idx) +{ + X86CPUTopoInfo topo; + + assert(idx < ms->possible_cpus->len); + x86_topo_ids_from_apicid(ms->possible_cpus->cpus[idx].arch_id, + smp_cores, smp_threads, &topo); + return topo.pkg_id % nb_numa_nodes; +} + static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *ms) { int i; @@ -2294,15 +2272,6 @@ static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *ms) ms->possible_cpus->cpus[i].props.core_id = topo.core_id; ms->possible_cpus->cpus[i].props.has_thread_id = true; ms->possible_cpus->cpus[i].props.thread_id = topo.smt_id; - - /* default distribution of CPUs over NUMA nodes */ - if (nb_numa_nodes) { - /* preset values but do not enable them i.e. 'has_node_id = false', - * numa init code will enable them later if manual mapping wasn't - * present on CLI */ - ms->possible_cpus->cpus[i].props.node_id = - topo.pkg_id % nb_numa_nodes; - } } return ms->possible_cpus; } @@ -2347,6 +2316,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) pcmc->linuxboot_dma_enabled = true; mc->get_hotplug_handler = pc_get_hotpug_handler; mc->cpu_index_to_instance_props = pc_cpu_index_to_props; + mc->get_default_cpu_node_id = pc_get_default_cpu_node_id; mc->possible_cpu_arch_ids = pc_possible_cpu_arch_ids; mc->has_hotpluggable_cpus = true; mc->default_boot_order = "cad"; @@ -2359,6 +2329,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) hc->unplug_request = pc_machine_device_unplug_request_cb; hc->unplug = pc_machine_device_unplug_cb; nc->nmi_monitor_handler = x86_nmi; + mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; object_class_property_add(oc, PC_MACHINE_MEMHP_REGION_SIZE, "int", pc_machine_get_hotplug_memory_region_size, NULL, diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index b03cc047c3..9ff79b1fd9 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -378,9 +378,6 @@ static void pc_compat_0_13(MachineState *machine) static void pc_init_isa(MachineState *machine) { - if (!machine->cpu_model) { - machine->cpu_model = "486"; - } x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); enable_compat_apic_id_mode(); pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); @@ -1113,6 +1110,7 @@ static void isapc_machine_options(MachineClass *m) pcmc->gigabyte_align = false; pcmc->smbios_legacy_mode = true; pcmc->has_reserved_memory = false; + m->default_cpu_type = X86_CPU_TYPE_NAME("486"); } DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, |