diff options
Diffstat (limited to 'hw/i386/pc.c')
-rw-r--r-- | hw/i386/pc.c | 260 |
1 files changed, 140 insertions, 120 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 646ad4bc3e..7c60417705 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -33,7 +33,7 @@ #include "hw/pci/pci_bus.h" #include "hw/nvram/fw_cfg.h" #include "hw/timer/hpet.h" -#include "hw/i386/smbios.h" +#include "hw/smbios/smbios.h" #include "hw/loader.h" #include "elf.h" #include "multiboot.h" @@ -59,7 +59,6 @@ #include "qemu/error-report.h" #include "hw/acpi/acpi.h" #include "hw/acpi/cpu_hotplug.h" -#include "hw/cpu/icc_bus.h" #include "hw/boards.h" #include "hw/pci/pci_host.h" #include "acpi-build.h" @@ -429,26 +428,24 @@ static void pc_cmos_init_late(void *opaque) qemu_unregister_reset(pc_cmos_init_late, opaque); } -void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, - const char *boot_device, MachineState *machine, +void pc_cmos_init(PCMachineState *pcms, BusState *idebus0, BusState *idebus1, ISADevice *s) { int val; static pc_cmos_init_late_arg arg; - PCMachineState *pc_machine = PC_MACHINE(machine); Error *local_err = NULL; /* various important CMOS locations needed by PC/Bochs bios */ /* memory size */ /* base memory (first MiB) */ - val = MIN(ram_size / 1024, 640); + val = MIN(pcms->below_4g_mem_size / 1024, 640); rtc_set_memory(s, 0x15, val); rtc_set_memory(s, 0x16, val >> 8); /* extended memory (next 64MiB) */ - if (ram_size > 1024 * 1024) { - val = (ram_size - 1024 * 1024) / 1024; + if (pcms->below_4g_mem_size > 1024 * 1024) { + val = (pcms->below_4g_mem_size - 1024 * 1024) / 1024; } else { val = 0; } @@ -459,8 +456,8 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, rtc_set_memory(s, 0x30, val); rtc_set_memory(s, 0x31, val >> 8); /* memory between 16MiB and 4GiB */ - if (ram_size > 16 * 1024 * 1024) { - val = (ram_size - 16 * 1024 * 1024) / 65536; + if (pcms->below_4g_mem_size > 16 * 1024 * 1024) { + val = (pcms->below_4g_mem_size - 16 * 1024 * 1024) / 65536; } else { val = 0; } @@ -469,7 +466,7 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, rtc_set_memory(s, 0x34, val); rtc_set_memory(s, 0x35, val >> 8); /* memory above 4GiB */ - val = above_4g_mem_size / 65536; + val = pcms->above_4g_mem_size / 65536; rtc_set_memory(s, 0x5b, val); rtc_set_memory(s, 0x5c, val >> 8); rtc_set_memory(s, 0x5d, val >> 16); @@ -477,15 +474,15 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, /* set the number of CPU */ rtc_set_memory(s, 0x5f, smp_cpus - 1); - object_property_add_link(OBJECT(machine), "rtc_state", + object_property_add_link(OBJECT(pcms), "rtc_state", TYPE_ISA_DEVICE, - (Object **)&pc_machine->rtc, + (Object **)&pcms->rtc, object_property_allow_set_link, OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort); - object_property_set_link(OBJECT(machine), OBJECT(s), + object_property_set_link(OBJECT(pcms), OBJECT(s), "rtc_state", &error_abort); - set_boot_dev(s, boot_device, &local_err); + set_boot_dev(s, MACHINE(pcms)->boot_order, &local_err); if (local_err) { error_report_err(local_err); exit(1); @@ -719,16 +716,52 @@ static unsigned int pc_apic_id_limit(unsigned int max_cpus) return x86_cpu_apic_id_from_index(max_cpus - 1) + 1; } -static FWCfgState *bochs_bios_init(void) +static void pc_build_smbios(FWCfgState *fw_cfg) { - FWCfgState *fw_cfg; uint8_t *smbios_tables, *smbios_anchor; size_t smbios_tables_len, smbios_anchor_len; + struct smbios_phys_mem_area *mem_array; + unsigned i, array_count; + + smbios_tables = smbios_get_table_legacy(&smbios_tables_len); + if (smbios_tables) { + fw_cfg_add_bytes(fw_cfg, FW_CFG_SMBIOS_ENTRIES, + smbios_tables, smbios_tables_len); + } + + /* build the array of physical mem area from e820 table */ + mem_array = g_malloc0(sizeof(*mem_array) * e820_get_num_entries()); + for (i = 0, array_count = 0; i < e820_get_num_entries(); i++) { + uint64_t addr, len; + + if (e820_get_entry(i, E820_RAM, &addr, &len)) { + mem_array[array_count].address = addr; + mem_array[array_count].length = len; + array_count++; + } + } + smbios_get_tables(mem_array, array_count, + &smbios_tables, &smbios_tables_len, + &smbios_anchor, &smbios_anchor_len); + g_free(mem_array); + + if (smbios_anchor) { + fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-tables", + smbios_tables, smbios_tables_len); + fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-anchor", + smbios_anchor, smbios_anchor_len); + } +} + +static FWCfgState *bochs_bios_init(AddressSpace *as) +{ + FWCfgState *fw_cfg; uint64_t *numa_fw_cfg; int i, j; unsigned int apic_id_limit = pc_apic_id_limit(max_cpus); - fw_cfg = fw_cfg_init_io(BIOS_CFG_IOPORT); + fw_cfg = fw_cfg_init_io_dma(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 4, as); + /* FW_CFG_MAX_CPUS is a bit confusing/problematic on x86: * * SeaBIOS needs FW_CFG_MAX_CPUS for CPU hotplug, but the CPU hotplug @@ -749,20 +782,7 @@ static FWCfgState *bochs_bios_init(void) acpi_tables, acpi_tables_len); fw_cfg_add_i32(fw_cfg, FW_CFG_IRQ0_OVERRIDE, kvm_allows_irq0_override()); - smbios_tables = smbios_get_table_legacy(&smbios_tables_len); - if (smbios_tables) { - fw_cfg_add_bytes(fw_cfg, FW_CFG_SMBIOS_ENTRIES, - smbios_tables, smbios_tables_len); - } - - smbios_get_tables(&smbios_tables, &smbios_tables_len, - &smbios_anchor, &smbios_anchor_len); - if (smbios_anchor) { - fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-tables", - smbios_tables, smbios_tables_len); - fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-anchor", - smbios_anchor, smbios_anchor_len); - } + pc_build_smbios(fw_cfg); fw_cfg_add_bytes(fw_cfg, FW_CFG_E820_TABLE, &e820_reserve, sizeof(e820_reserve)); @@ -810,11 +830,8 @@ static long get_file_size(FILE *f) return size; } -static void load_linux(FWCfgState *fw_cfg, - const char *kernel_filename, - const char *initrd_filename, - const char *kernel_cmdline, - hwaddr max_ram_size) +static void load_linux(PCMachineState *pcms, + FWCfgState *fw_cfg) { uint16_t protocol; int setup_size, kernel_size, initrd_size = 0, cmdline_size; @@ -823,6 +840,10 @@ static void load_linux(FWCfgState *fw_cfg, hwaddr real_addr, prot_addr, cmdline_addr, initrd_addr = 0; FILE *f; char *vmode; + MachineState *machine = MACHINE(pcms); + const char *kernel_filename = machine->kernel_filename; + const char *initrd_filename = machine->initrd_filename; + const char *kernel_cmdline = machine->kernel_cmdline; /* Align to 16 bytes as a paranoia measure */ cmdline_size = (strlen(kernel_cmdline)+16) & ~15; @@ -892,8 +913,8 @@ static void load_linux(FWCfgState *fw_cfg, initrd_max = 0x37ffffff; } - if (initrd_max >= max_ram_size - acpi_data_size) { - initrd_max = max_ram_size - acpi_data_size - 1; + if (initrd_max >= pcms->below_4g_mem_size - acpi_data_size) { + initrd_max = pcms->below_4g_mem_size - acpi_data_size - 1; } fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_ADDR, cmdline_addr); @@ -971,6 +992,10 @@ static void load_linux(FWCfgState *fw_cfg, setup_size = 4; } setup_size = (setup_size+1)*512; + if (setup_size > kernel_size) { + fprintf(stderr, "qemu: invalid kernel header\n"); + exit(1); + } kernel_size -= setup_size; setup = g_malloc(setup_size); @@ -1037,23 +1062,16 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int level) } static X86CPU *pc_new_cpu(const char *cpu_model, int64_t apic_id, - DeviceState *icc_bridge, Error **errp) + Error **errp) { X86CPU *cpu = NULL; Error *local_err = NULL; - if (icc_bridge == NULL) { - error_setg(&local_err, "Invalid icc-bridge value"); - goto out; - } - cpu = cpu_x86_create(cpu_model, &local_err); if (local_err != NULL) { goto out; } - qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc")); - object_property_set_int(OBJECT(cpu), apic_id, "apic-id", &local_err); object_property_set_bool(OBJECT(cpu), true, "realized", &local_err); @@ -1066,12 +1084,10 @@ out: return cpu; } -static const char *current_cpu_model; - void pc_hot_add_cpu(const int64_t id, Error **errp) { - DeviceState *icc_bridge; X86CPU *cpu; + MachineState *machine = MACHINE(qdev_get_machine()); int64_t apic_id = x86_cpu_apic_id_from_index(id); Error *local_err = NULL; @@ -1099,9 +1115,7 @@ void pc_hot_add_cpu(const int64_t id, Error **errp) return; } - icc_bridge = DEVICE(object_resolve_path_type("icc-bridge", - TYPE_ICC_BRIDGE, NULL)); - cpu = pc_new_cpu(current_cpu_model, apic_id, icc_bridge, &local_err); + cpu = pc_new_cpu(machine->cpu_model, apic_id, &local_err); if (local_err) { error_propagate(errp, local_err); return; @@ -1109,22 +1123,22 @@ void pc_hot_add_cpu(const int64_t id, Error **errp) object_unref(OBJECT(cpu)); } -void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge) +void pc_cpus_init(PCMachineState *pcms) { int i; X86CPU *cpu = NULL; + MachineState *machine = MACHINE(pcms); Error *error = NULL; unsigned long apic_id_limit; /* init CPUs */ - if (cpu_model == NULL) { + if (machine->cpu_model == NULL) { #ifdef TARGET_X86_64 - cpu_model = "qemu64"; + machine->cpu_model = "qemu64"; #else - cpu_model = "qemu32"; + machine->cpu_model = "qemu32"; #endif } - current_cpu_model = cpu_model; apic_id_limit = pc_apic_id_limit(max_cpus); if (apic_id_limit > ACPI_CPU_HOTPLUG_ID_LIMIT) { @@ -1134,8 +1148,8 @@ void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge) } for (i = 0; i < smp_cpus; i++) { - cpu = pc_new_cpu(cpu_model, x86_cpu_apic_id_from_index(i), - icc_bridge, &error); + cpu = pc_new_cpu(machine->cpu_model, x86_cpu_apic_id_from_index(i), + &error); if (error) { error_report_err(error); exit(1); @@ -1143,13 +1157,6 @@ void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge) object_unref(OBJECT(cpu)); } - /* map APIC MMIO area if CPU has APIC */ - if (cpu && cpu->apic_state) { - /* XXX: what if the base changes? */ - sysbus_mmio_map_overlap(SYS_BUS_DEVICE(icc_bridge), 0, - APIC_DEFAULT_ADDRESS, 0x1000); - } - /* tell smbios about cpuid version and features */ smbios_set_cpuid(cpu->env.cpuid_version, cpu->env.features[FEAT_1_EDX]); } @@ -1195,15 +1202,14 @@ void pc_guest_info_machine_done(Notifier *notifier, void *data) acpi_setup(&guest_info_state->info); } -PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size, - ram_addr_t above_4g_mem_size) +PcGuestInfo *pc_guest_info_init(PCMachineState *pcms) { PcGuestInfoState *guest_info_state = g_malloc0(sizeof *guest_info_state); PcGuestInfo *guest_info = &guest_info_state->info; int i, j; - guest_info->ram_size_below_4g = below_4g_mem_size; - guest_info->ram_size = below_4g_mem_size + above_4g_mem_size; + guest_info->ram_size_below_4g = pcms->below_4g_mem_size; + guest_info->ram_size = pcms->below_4g_mem_size + pcms->above_4g_mem_size; guest_info->apic_id_limit = pc_apic_id_limit(max_cpus); guest_info->apic_xrupt_override = kvm_allows_irq0_override(); guest_info->numa_nodes = nb_numa_nodes; @@ -1270,22 +1276,18 @@ void pc_acpi_init(const char *default_dsdt) } } -FWCfgState *xen_load_linux(const char *kernel_filename, - const char *kernel_cmdline, - const char *initrd_filename, - ram_addr_t below_4g_mem_size, +FWCfgState *xen_load_linux(PCMachineState *pcms, PcGuestInfo *guest_info) { int i; FWCfgState *fw_cfg; - assert(kernel_filename != NULL); + assert(MACHINE(pcms)->kernel_filename != NULL); fw_cfg = fw_cfg_init_io(BIOS_CFG_IOPORT); rom_set_fw(fw_cfg); - load_linux(fw_cfg, kernel_filename, initrd_filename, - kernel_cmdline, below_4g_mem_size); + load_linux(pcms, fw_cfg); for (i = 0; i < nb_option_roms; i++) { assert(!strcmp(option_rom[i].name, "linuxboot.bin") || !strcmp(option_rom[i].name, "multiboot.bin")); @@ -1295,10 +1297,8 @@ FWCfgState *xen_load_linux(const char *kernel_filename, return fw_cfg; } -FWCfgState *pc_memory_init(MachineState *machine, +FWCfgState *pc_memory_init(PCMachineState *pcms, MemoryRegion *system_memory, - ram_addr_t below_4g_mem_size, - ram_addr_t above_4g_mem_size, MemoryRegion *rom_memory, MemoryRegion **ram_memory, PcGuestInfo *guest_info) @@ -1307,9 +1307,10 @@ FWCfgState *pc_memory_init(MachineState *machine, MemoryRegion *ram, *option_rom_mr; MemoryRegion *ram_below_4g, *ram_above_4g; FWCfgState *fw_cfg; - PCMachineState *pcms = PC_MACHINE(machine); + MachineState *machine = MACHINE(pcms); - assert(machine->ram_size == below_4g_mem_size + above_4g_mem_size); + assert(machine->ram_size == pcms->below_4g_mem_size + + pcms->above_4g_mem_size); linux_boot = (machine->kernel_filename != NULL); @@ -1323,16 +1324,17 @@ FWCfgState *pc_memory_init(MachineState *machine, *ram_memory = ram; ram_below_4g = g_malloc(sizeof(*ram_below_4g)); memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram, - 0, below_4g_mem_size); + 0, pcms->below_4g_mem_size); memory_region_add_subregion(system_memory, 0, ram_below_4g); - e820_add_entry(0, below_4g_mem_size, E820_RAM); - if (above_4g_mem_size > 0) { + e820_add_entry(0, pcms->below_4g_mem_size, E820_RAM); + if (pcms->above_4g_mem_size > 0) { ram_above_4g = g_malloc(sizeof(*ram_above_4g)); memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", ram, - below_4g_mem_size, above_4g_mem_size); + pcms->below_4g_mem_size, + pcms->above_4g_mem_size); memory_region_add_subregion(system_memory, 0x100000000ULL, ram_above_4g); - e820_add_entry(0x100000000ULL, above_4g_mem_size, E820_RAM); + e820_add_entry(0x100000000ULL, pcms->above_4g_mem_size, E820_RAM); } if (!guest_info->has_reserved_memory && @@ -1365,7 +1367,7 @@ FWCfgState *pc_memory_init(MachineState *machine, } pcms->hotplug_memory.base = - ROUND_UP(0x100000000ULL + above_4g_mem_size, 1ULL << 30); + ROUND_UP(0x100000000ULL + pcms->above_4g_mem_size, 1ULL << 30); if (pcms->enforce_aligned_dimm) { /* size hotplug region assuming 1G page max alignment per slot */ @@ -1390,25 +1392,31 @@ FWCfgState *pc_memory_init(MachineState *machine, option_rom_mr = g_malloc(sizeof(*option_rom_mr)); memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE, - &error_abort); + &error_fatal); vmstate_register_ram_global(option_rom_mr); memory_region_add_subregion_overlap(rom_memory, PC_ROM_MIN_VGA, option_rom_mr, 1); - fw_cfg = bochs_bios_init(); + fw_cfg = bochs_bios_init(&address_space_memory); + rom_set_fw(fw_cfg); if (guest_info->has_reserved_memory && pcms->hotplug_memory.base) { uint64_t *val = g_malloc(sizeof(*val)); - *val = cpu_to_le64(ROUND_UP(pcms->hotplug_memory.base, 0x1ULL << 30)); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); + uint64_t res_mem_end = pcms->hotplug_memory.base; + + if (!pcmc->broken_reserved_end) { + res_mem_end += memory_region_size(&pcms->hotplug_memory.mr); + } + *val = cpu_to_le64(ROUND_UP(res_mem_end, 0x1ULL << 30)); fw_cfg_add_file(fw_cfg, "etc/reserved-memory-end", val, sizeof(*val)); } if (linux_boot) { - load_linux(fw_cfg, machine->kernel_filename, machine->initrd_filename, - machine->kernel_cmdline, below_4g_mem_size); + load_linux(pcms, fw_cfg); } for (i = 0; i < nb_option_roms; i++) { @@ -1437,15 +1445,6 @@ DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus) return dev; } -static void cpu_request_exit(void *opaque, int irq, int level) -{ - CPUState *cpu = current_cpu; - - if (cpu && level) { - cpu_exit(cpu); - } -} - static const MemoryRegionOps ioport80_io_ops = { .write = ioport80_write, .read = ioport80_read, @@ -1480,7 +1479,6 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, qemu_irq rtc_irq = NULL; qemu_irq *a20_line; ISADevice *i8042, *port92, *vmmouse, *pit = NULL; - qemu_irq *cpu_exit_irq; MemoryRegion *ioport80_io = g_new(MemoryRegion, 1); MemoryRegion *ioportF0_io = g_new(MemoryRegion, 1); @@ -1557,8 +1555,7 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, port92 = isa_create_simple(isa_bus, "port92"); port92_init(port92, &a20_line[1]); - cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1); - DMA_init(0, cpu_exit_irq); + DMA_init(0); for(i = 0; i < MAX_FD; i++) { fd[i] = drive_get(IF_FLOPPY, 0, i); @@ -1804,9 +1801,9 @@ static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v, return; } if (value > (1ULL << 32)) { - error_set(&error, ERROR_CLASS_GENERIC_ERROR, - "Machine option 'max-ram-below-4g=%"PRIu64 - "' expects size less than or equal to 4G", value); + error_setg(&error, + "Machine option 'max-ram-below-4g=%"PRIu64 + "' expects size less than or equal to 4G", value); error_propagate(errp, error); return; } @@ -1894,47 +1891,66 @@ static void pc_machine_initfn(Object *obj) object_property_add(obj, PC_MACHINE_MEMHP_REGION_SIZE, "int", pc_machine_get_hotplug_memory_region_size, - NULL, NULL, NULL, NULL); + NULL, NULL, NULL, &error_abort); pcms->max_ram_below_4g = 1ULL << 32; /* 4G */ object_property_add(obj, PC_MACHINE_MAX_RAM_BELOW_4G, "size", pc_machine_get_max_ram_below_4g, pc_machine_set_max_ram_below_4g, - NULL, NULL, NULL); + NULL, NULL, &error_abort); object_property_set_description(obj, PC_MACHINE_MAX_RAM_BELOW_4G, "Maximum ram below the 4G boundary (32bit boundary)", - NULL); + &error_abort); pcms->smm = ON_OFF_AUTO_AUTO; object_property_add(obj, PC_MACHINE_SMM, "OnOffAuto", pc_machine_get_smm, pc_machine_set_smm, - NULL, NULL, NULL); + NULL, NULL, &error_abort); object_property_set_description(obj, PC_MACHINE_SMM, "Enable SMM (pc & q35)", - NULL); + &error_abort); pcms->vmport = ON_OFF_AUTO_AUTO; object_property_add(obj, PC_MACHINE_VMPORT, "OnOffAuto", pc_machine_get_vmport, pc_machine_set_vmport, - NULL, NULL, NULL); + NULL, NULL, &error_abort); object_property_set_description(obj, PC_MACHINE_VMPORT, "Enable vmport (pc & q35)", - NULL); + &error_abort); pcms->enforce_aligned_dimm = true; object_property_add_bool(obj, PC_MACHINE_ENFORCE_ALIGNED_DIMM, pc_machine_get_aligned_dimm, - NULL, NULL); + NULL, &error_abort); +} + +static void pc_machine_reset(void) +{ + CPUState *cs; + X86CPU *cpu; + + qemu_devices_reset(); + + /* Reset APIC after devices have been reset to cancel + * any changes that qemu_devices_reset() might have done. + */ + CPU_FOREACH(cs) { + cpu = X86_CPU(cs); + + if (cpu->apic_state) { + device_reset(cpu->apic_state); + } + } } static unsigned pc_cpu_index_to_socket_id(unsigned cpu_index) { - unsigned pkg_id, core_id, smt_id; + X86CPUTopoInfo topo; x86_topo_ids_from_idx(smp_cores, smp_threads, cpu_index, - &pkg_id, &core_id, &smt_id); - return pkg_id; + &topo); + return topo.pkg_id; } static void pc_machine_class_init(ObjectClass *oc, void *data) @@ -1946,6 +1962,10 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) pcmc->get_hotplug_handler = mc->get_hotplug_handler; mc->get_hotplug_handler = pc_get_hotpug_handler; mc->cpu_index_to_socket_id = pc_cpu_index_to_socket_id; + mc->default_boot_order = "cad"; + mc->hot_add_cpu = pc_hot_add_cpu; + mc->max_cpus = 255; + mc->reset = pc_machine_reset; hc->plug = pc_machine_device_plug_cb; hc->unplug_request = pc_machine_device_unplug_request_cb; hc->unplug = pc_machine_device_unplug_cb; |