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Re: [PATCH v4 4/8] hw/i386: split PCMachineState deriving X86MachineStat
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From: |
Philippe Mathieu-Daudé |
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Subject: |
Re: [PATCH v4 4/8] hw/i386: split PCMachineState deriving X86MachineState from it |
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Date: |
Tue, 24 Sep 2019 15:40:56 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 |
On 9/24/19 2:44 PM, Sergio Lopez wrote:
> Split up PCMachineState and PCMachineClass and derive X86MachineState
> and X86MachineClass from them. This allows sharing code with non-PC
> machine types.
>
> Also, move shared functions from pc.c to x86.c.
>
> Signed-off-by: Sergio Lopez <address@hidden>
> ---
> hw/acpi/cpu_hotplug.c | 10 +-
> hw/i386/Makefile.objs | 1 +
> hw/i386/acpi-build.c | 31 +-
> hw/i386/amd_iommu.c | 4 +-
> hw/i386/intel_iommu.c | 4 +-
> hw/i386/pc.c | 796 +++++-------------------------------------
> hw/i386/pc_piix.c | 48 +--
> hw/i386/pc_q35.c | 38 +-
> hw/i386/pc_sysfw.c | 60 +---
> hw/i386/x86.c | 788 +++++++++++++++++++++++++++++++++++++++++
> hw/intc/ioapic.c | 3 +-
> include/hw/i386/pc.h | 29 +-
> include/hw/i386/x86.h | 97 +++++
> 13 files changed, 1045 insertions(+), 864 deletions(-)
> create mode 100644 hw/i386/x86.c
> create mode 100644 include/hw/i386/x86.h
>
> diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c
> index 6e8293aac9..3ac2045a95 100644
> --- a/hw/acpi/cpu_hotplug.c
> +++ b/hw/acpi/cpu_hotplug.c
> @@ -128,7 +128,7 @@ void build_legacy_cpu_hotplug_aml(Aml *ctx, MachineState
> *machine,
> Aml *one = aml_int(1);
> MachineClass *mc = MACHINE_GET_CLASS(machine);
> const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine);
> - PCMachineState *pcms = PC_MACHINE(machine);
> + X86MachineState *x86ms = X86_MACHINE(machine);
>
> /*
> * _MAT method - creates an madt apic buffer
> @@ -236,9 +236,9 @@ void build_legacy_cpu_hotplug_aml(Aml *ctx, MachineState
> *machine,
> /* The current AML generator can cover the APIC ID range [0..255],
> * inclusive, for VCPU hotplug. */
> QEMU_BUILD_BUG_ON(ACPI_CPU_HOTPLUG_ID_LIMIT > 256);
> - if (pcms->apic_id_limit > ACPI_CPU_HOTPLUG_ID_LIMIT) {
> + if (x86ms->apic_id_limit > ACPI_CPU_HOTPLUG_ID_LIMIT) {
> error_report("max_cpus is too large. APIC ID of last CPU is %u",
> - pcms->apic_id_limit - 1);
> + x86ms->apic_id_limit - 1);
> exit(1);
> }
>
> @@ -315,8 +315,8 @@ void build_legacy_cpu_hotplug_aml(Aml *ctx, MachineState
> *machine,
> * ith up to 255 elements. Windows guests up to win2k8 fail when
> * VarPackageOp is used.
> */
> - pkg = pcms->apic_id_limit <= 255 ? aml_package(pcms->apic_id_limit) :
> - aml_varpackage(pcms->apic_id_limit);
> + pkg = x86ms->apic_id_limit <= 255 ? aml_package(x86ms->apic_id_limit) :
> + aml_varpackage(x86ms->apic_id_limit);
>
> for (i = 0, apic_idx = 0; i < apic_ids->len; i++) {
> int apic_id = apic_ids->cpus[i].arch_id;
> diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
> index 149712db07..5b4b3a672e 100644
> --- a/hw/i386/Makefile.objs
> +++ b/hw/i386/Makefile.objs
> @@ -1,6 +1,7 @@
> obj-$(CONFIG_KVM) += kvm/
> obj-y += multiboot.o
> obj-y += pvh.o
> +obj-y += x86.o
> obj-y += pc.o
> obj-y += e820.o
> obj-$(CONFIG_I440FX) += pc_piix.o
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index e54e571a75..76e18d3285 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -29,6 +29,7 @@
> #include "hw/pci/pci.h"
> #include "hw/core/cpu.h"
> #include "target/i386/cpu.h"
> +#include "hw/i386/x86.h"
> #include "hw/misc/pvpanic.h"
> #include "hw/timer/hpet.h"
> #include "hw/acpi/acpi-defs.h"
> @@ -361,6 +362,7 @@ static void
> build_madt(GArray *table_data, BIOSLinker *linker, PCMachineState *pcms)
> {
> MachineClass *mc = MACHINE_GET_CLASS(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(MACHINE(pcms));
> int madt_start = table_data->len;
> AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(pcms->acpi_dev);
> @@ -390,7 +392,7 @@ build_madt(GArray *table_data, BIOSLinker *linker,
> PCMachineState *pcms)
> io_apic->address = cpu_to_le32(IO_APIC_DEFAULT_ADDRESS);
> io_apic->interrupt = cpu_to_le32(0);
>
> - if (pcms->apic_xrupt_override) {
> + if (x86ms->apic_xrupt_override) {
> intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr);
> intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE;
> intsrcovr->length = sizeof(*intsrcovr);
> @@ -1817,8 +1819,8 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
> CrsRangeEntry *entry;
> Aml *dsdt, *sb_scope, *scope, *dev, *method, *field, *pkg, *crs;
> CrsRangeSet crs_range_set;
> - PCMachineState *pcms = PC_MACHINE(machine);
> PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(machine);
> + X86MachineState *x86ms = X86_MACHINE(machine);
> AcpiMcfgInfo mcfg;
> uint32_t nr_mem = machine->ram_slots;
> int root_bus_limit = 0xFF;
> @@ -2083,7 +2085,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
> * with half of the 16-bit control register. Hence, the total size
> * of the i/o region used is FW_CFG_CTL_SIZE; when using DMA, the
> * DMA control register is located at FW_CFG_DMA_IO_BASE + 4 */
> - uint8_t io_size = object_property_get_bool(OBJECT(pcms->fw_cfg),
> + uint8_t io_size = object_property_get_bool(OBJECT(x86ms->fw_cfg),
> "dma_enabled", NULL) ?
> ROUND_UP(FW_CFG_CTL_SIZE, 4) + sizeof(dma_addr_t) :
> FW_CFG_CTL_SIZE;
> @@ -2318,6 +2320,7 @@ build_srat(GArray *table_data, BIOSLinker *linker,
> MachineState *machine)
> MachineClass *mc = MACHINE_GET_CLASS(machine);
> const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine);
> PCMachineState *pcms = PC_MACHINE(machine);
> + X86MachineState *x86ms = X86_MACHINE(machine);
> ram_addr_t hotplugabble_address_space_size =
> object_property_get_int(OBJECT(pcms), PC_MACHINE_DEVMEM_REGION_SIZE,
> NULL);
> @@ -2386,16 +2389,16 @@ build_srat(GArray *table_data, BIOSLinker *linker,
> MachineState *machine)
> }
>
> /* Cut out the ACPI_PCI hole */
> - if (mem_base <= pcms->below_4g_mem_size &&
> - next_base > pcms->below_4g_mem_size) {
> - mem_len -= next_base - pcms->below_4g_mem_size;
> + if (mem_base <= x86ms->below_4g_mem_size &&
> + next_base > x86ms->below_4g_mem_size) {
> + mem_len -= next_base - x86ms->below_4g_mem_size;
> 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);
> }
> mem_base = 1ULL << 32;
> - mem_len = next_base - pcms->below_4g_mem_size;
> + mem_len = next_base - x86ms->below_4g_mem_size;
> next_base = mem_base + mem_len;
> }
>
> @@ -2614,6 +2617,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState
> *machine)
> {
> PCMachineState *pcms = PC_MACHINE(machine);
> PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
> + X86MachineState *x86ms = X86_MACHINE(machine);
> GArray *table_offsets;
> unsigned facs, dsdt, rsdt, fadt;
> AcpiPmInfo pm;
> @@ -2775,7 +2779,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState
> *machine)
> */
> int legacy_aml_len =
> pcmc->legacy_acpi_table_size +
> - ACPI_BUILD_LEGACY_CPU_AML_SIZE * pcms->apic_id_limit;
> + ACPI_BUILD_LEGACY_CPU_AML_SIZE * x86ms->apic_id_limit;
> int legacy_table_size =
> ROUND_UP(tables_blob->len - aml_len + legacy_aml_len,
> ACPI_BUILD_ALIGN_SIZE);
> @@ -2865,13 +2869,14 @@ void acpi_setup(void)
> {
> PCMachineState *pcms = PC_MACHINE(qdev_get_machine());
> PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> AcpiBuildTables tables;
> AcpiBuildState *build_state;
> Object *vmgenid_dev;
> TPMIf *tpm;
> static FwCfgTPMConfig tpm_config;
>
> - if (!pcms->fw_cfg) {
> + if (!x86ms->fw_cfg) {
> ACPI_BUILD_DPRINTF("No fw cfg. Bailing out.\n");
> return;
> }
> @@ -2902,7 +2907,7 @@ void acpi_setup(void)
> acpi_add_rom_blob(acpi_build_update, build_state,
> tables.linker->cmd_blob, "etc/table-loader", 0);
>
> - fw_cfg_add_file(pcms->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
> + fw_cfg_add_file(x86ms->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
> tables.tcpalog->data, acpi_data_len(tables.tcpalog));
>
> tpm = tpm_find();
> @@ -2912,13 +2917,13 @@ void acpi_setup(void)
> .tpm_version = tpm_get_version(tpm),
> .tpmppi_version = TPM_PPI_VERSION_1_30
> };
> - fw_cfg_add_file(pcms->fw_cfg, "etc/tpm/config",
> + fw_cfg_add_file(x86ms->fw_cfg, "etc/tpm/config",
> &tpm_config, sizeof tpm_config);
> }
>
> vmgenid_dev = find_vmgenid_dev();
> if (vmgenid_dev) {
> - vmgenid_add_fw_cfg(VMGENID(vmgenid_dev), pcms->fw_cfg,
> + vmgenid_add_fw_cfg(VMGENID(vmgenid_dev), x86ms->fw_cfg,
> tables.vmgenid);
> }
>
> @@ -2931,7 +2936,7 @@ void acpi_setup(void)
> uint32_t rsdp_size = acpi_data_len(tables.rsdp);
>
> build_state->rsdp = g_memdup(tables.rsdp->data, rsdp_size);
> - fw_cfg_add_file_callback(pcms->fw_cfg, ACPI_BUILD_RSDP_FILE,
> + fw_cfg_add_file_callback(x86ms->fw_cfg, ACPI_BUILD_RSDP_FILE,
> acpi_build_update, NULL, build_state,
> build_state->rsdp, rsdp_size, true);
> build_state->rsdp_mr = NULL;
> diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
> index 08884523e2..bb3b5b4563 100644
> --- a/hw/i386/amd_iommu.c
> +++ b/hw/i386/amd_iommu.c
> @@ -21,6 +21,7 @@
> */
>
> #include "qemu/osdep.h"
> +#include "hw/i386/x86.h"
> #include "hw/i386/pc.h"
> #include "hw/pci/msi.h"
> #include "hw/pci/pci_bus.h"
> @@ -1537,6 +1538,7 @@ static void amdvi_realize(DeviceState *dev, Error **err)
> X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
> MachineState *ms = MACHINE(qdev_get_machine());
> PCMachineState *pcms = PC_MACHINE(ms);
> + X86MachineState *x86ms = X86_MACHINE(ms);
> PCIBus *bus = pcms->bus;
>
> s->iotlb = g_hash_table_new_full(amdvi_uint64_hash,
> @@ -1565,7 +1567,7 @@ static void amdvi_realize(DeviceState *dev, Error **err)
> }
>
> /* Pseudo address space under root PCI bus. */
> - pcms->ioapic_as = amdvi_host_dma_iommu(bus, s, AMDVI_IOAPIC_SB_DEVID);
> + x86ms->ioapic_as = amdvi_host_dma_iommu(bus, s, AMDVI_IOAPIC_SB_DEVID);
>
> /* set up MMIO */
> memory_region_init_io(&s->mmio, OBJECT(s), &mmio_mem_ops, s,
> "amdvi-mmio",
> diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
> index 75ca6f9c70..21f091c654 100644
> --- a/hw/i386/intel_iommu.c
> +++ b/hw/i386/intel_iommu.c
> @@ -29,6 +29,7 @@
> #include "hw/pci/pci.h"
> #include "hw/pci/pci_bus.h"
> #include "hw/qdev-properties.h"
> +#include "hw/i386/x86.h"
> #include "hw/i386/pc.h"
> #include "hw/i386/apic-msidef.h"
> #include "hw/boards.h"
> @@ -3703,6 +3704,7 @@ static void vtd_realize(DeviceState *dev, Error **errp)
> {
> MachineState *ms = MACHINE(qdev_get_machine());
> PCMachineState *pcms = PC_MACHINE(ms);
> + X86MachineState *x86ms = X86_MACHINE(ms);
> PCIBus *bus = pcms->bus;
> IntelIOMMUState *s = INTEL_IOMMU_DEVICE(dev);
> X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
> @@ -3743,7 +3745,7 @@ static void vtd_realize(DeviceState *dev, Error **errp)
> sysbus_mmio_map(SYS_BUS_DEVICE(s), 0, Q35_HOST_BRIDGE_IOMMU_ADDR);
> pci_setup_iommu(bus, vtd_host_dma_iommu, dev);
> /* Pseudo address space under root PCI bus. */
> - pcms->ioapic_as = vtd_host_dma_iommu(bus, s, Q35_PSEUDO_DEVFN_IOAPIC);
> + x86ms->ioapic_as = vtd_host_dma_iommu(bus, s, Q35_PSEUDO_DEVFN_IOAPIC);
> }
>
> static void vtd_class_init(ObjectClass *klass, void *data)
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index 3920aa7e85..d18b461f01 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -24,6 +24,7 @@
>
> #include "qemu/osdep.h"
> #include "qemu/units.h"
> +#include "hw/i386/x86.h"
> #include "hw/i386/pc.h"
> #include "hw/char/serial.h"
> #include "hw/char/parallel.h"
> @@ -676,6 +677,7 @@ void pc_cmos_init(PCMachineState *pcms,
> BusState *idebus0, BusState *idebus1,
> ISADevice *s)
> {
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> int val;
> static pc_cmos_init_late_arg arg;
>
> @@ -683,12 +685,12 @@ void pc_cmos_init(PCMachineState *pcms,
>
> /* memory size */
> /* base memory (first MiB) */
> - val = MIN(pcms->below_4g_mem_size / KiB, 640);
> + val = MIN(x86ms->below_4g_mem_size / KiB, 640);
> rtc_set_memory(s, 0x15, val);
> rtc_set_memory(s, 0x16, val >> 8);
> /* extended memory (next 64MiB) */
> - if (pcms->below_4g_mem_size > 1 * MiB) {
> - val = (pcms->below_4g_mem_size - 1 * MiB) / KiB;
> + if (x86ms->below_4g_mem_size > 1 * MiB) {
> + val = (x86ms->below_4g_mem_size - 1 * MiB) / KiB;
> } else {
> val = 0;
> }
> @@ -699,8 +701,8 @@ void pc_cmos_init(PCMachineState *pcms,
> rtc_set_memory(s, 0x30, val);
> rtc_set_memory(s, 0x31, val >> 8);
> /* memory between 16MiB and 4GiB */
> - if (pcms->below_4g_mem_size > 16 * MiB) {
> - val = (pcms->below_4g_mem_size - 16 * MiB) / (64 * KiB);
> + if (x86ms->below_4g_mem_size > 16 * MiB) {
> + val = (x86ms->below_4g_mem_size - 16 * MiB) / (64 * KiB);
> } else {
> val = 0;
> }
> @@ -709,20 +711,20 @@ void pc_cmos_init(PCMachineState *pcms,
> rtc_set_memory(s, 0x34, val);
> rtc_set_memory(s, 0x35, val >> 8);
> /* memory above 4GiB */
> - val = pcms->above_4g_mem_size / 65536;
> + val = x86ms->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);
>
> - object_property_add_link(OBJECT(pcms), "rtc_state",
> + object_property_add_link(OBJECT(x86ms), "rtc_state",
> TYPE_ISA_DEVICE,
> - (Object **)&pcms->rtc,
> + (Object **)&x86ms->rtc,
> object_property_allow_set_link,
> OBJ_PROP_LINK_STRONG, &error_abort);
> - object_property_set_link(OBJECT(pcms), OBJECT(s),
> + object_property_set_link(OBJECT(x86ms), OBJECT(s),
> "rtc_state", &error_abort);
>
> - set_boot_dev(s, MACHINE(pcms)->boot_order, &error_fatal);
> + set_boot_dev(s, MACHINE(x86ms)->boot_order, &error_fatal);
>
> val = 0;
> val |= 0x02; /* FPU is there */
> @@ -863,35 +865,6 @@ static void handle_a20_line_change(void *opaque, int
> irq, int level)
> x86_cpu_set_a20(cpu, level);
> }
>
> -/* Calculates initial APIC ID for a specific CPU index
> - *
> - * Currently we need to be able to calculate the APIC ID from the CPU index
> - * alone (without requiring a CPU object), as the QEMU<->Seabios interfaces
> have
> - * no concept of "CPU index", and the NUMA tables on fw_cfg need the APIC ID
> of
> - * all CPUs up to max_cpus.
> - */
> -static uint32_t x86_cpu_apic_id_from_index(PCMachineState *pcms,
> - unsigned int cpu_index)
> -{
> - MachineState *ms = MACHINE(pcms);
> - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
> - uint32_t correct_id;
> - static bool warned;
> -
> - correct_id = x86_apicid_from_cpu_idx(pcms->smp_dies, ms->smp.cores,
> - ms->smp.threads, cpu_index);
> - if (pcmc->compat_apic_id_mode) {
> - if (cpu_index != correct_id && !warned && !qtest_enabled()) {
> - error_report("APIC IDs set in compatibility mode, "
> - "CPU topology won't match the configuration");
> - warned = true;
> - }
> - return cpu_index;
> - } else {
> - return correct_id;
> - }
> -}
> -
> static void pc_build_smbios(PCMachineState *pcms)
> {
> uint8_t *smbios_tables, *smbios_anchor;
> @@ -899,6 +872,7 @@ static void pc_build_smbios(PCMachineState *pcms)
> struct smbios_phys_mem_area *mem_array;
> unsigned i, array_count;
> MachineState *ms = MACHINE(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> X86CPU *cpu = X86_CPU(ms->possible_cpus->cpus[0].cpu);
>
> /* tell smbios about cpuid version and features */
> @@ -906,7 +880,7 @@ static void pc_build_smbios(PCMachineState *pcms)
>
> smbios_tables = smbios_get_table_legacy(ms, &smbios_tables_len);
> if (smbios_tables) {
> - fw_cfg_add_bytes(pcms->fw_cfg, FW_CFG_SMBIOS_ENTRIES,
> + fw_cfg_add_bytes(x86ms->fw_cfg, FW_CFG_SMBIOS_ENTRIES,
> smbios_tables, smbios_tables_len);
> }
>
> @@ -927,9 +901,9 @@ static void pc_build_smbios(PCMachineState *pcms)
> g_free(mem_array);
>
> if (smbios_anchor) {
> - fw_cfg_add_file(pcms->fw_cfg, "etc/smbios/smbios-tables",
> + fw_cfg_add_file(x86ms->fw_cfg, "etc/smbios/smbios-tables",
> smbios_tables, smbios_tables_len);
> - fw_cfg_add_file(pcms->fw_cfg, "etc/smbios/smbios-anchor",
> + fw_cfg_add_file(x86ms->fw_cfg, "etc/smbios/smbios-anchor",
> smbios_anchor, smbios_anchor_len);
> }
> }
> @@ -942,10 +916,11 @@ static FWCfgState *bochs_bios_init(AddressSpace *as,
> PCMachineState *pcms)
> const CPUArchIdList *cpus;
> MachineClass *mc = MACHINE_GET_CLASS(pcms);
> MachineState *ms = MACHINE(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> int nb_numa_nodes = ms->numa_state->num_nodes;
>
> fw_cfg = fw_cfg_init_io_dma(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4, as);
> - fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, pcms->boot_cpus);
> + fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
>
> /* FW_CFG_MAX_CPUS is a bit confusing/problematic on x86:
> *
> @@ -959,7 +934,7 @@ static FWCfgState *bochs_bios_init(AddressSpace *as,
> PCMachineState *pcms)
> * So for compatibility reasons with old BIOSes we are stuck with
> * "etc/max-cpus" actually being apic_id_limit
> */
> - fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)pcms->apic_id_limit);
> + fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)x86ms->apic_id_limit);
> fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
> fw_cfg_add_bytes(fw_cfg, FW_CFG_ACPI_TABLES,
> acpi_tables, acpi_tables_len);
> @@ -972,374 +947,25 @@ static FWCfgState *bochs_bios_init(AddressSpace *as,
> PCMachineState *pcms)
> * of nodes, one word for each VCPU->node and one word for each node to
> * hold the amount of memory.
> */
> - numa_fw_cfg = g_new0(uint64_t, 1 + pcms->apic_id_limit + nb_numa_nodes);
> + numa_fw_cfg = g_new0(uint64_t, 1 + x86ms->apic_id_limit + nb_numa_nodes);
> numa_fw_cfg[0] = cpu_to_le64(nb_numa_nodes);
> cpus = mc->possible_cpu_arch_ids(MACHINE(pcms));
> for (i = 0; i < cpus->len; i++) {
> unsigned int apic_id = cpus->cpus[i].arch_id;
> - assert(apic_id < pcms->apic_id_limit);
> + assert(apic_id < x86ms->apic_id_limit);
> numa_fw_cfg[apic_id + 1] = cpu_to_le64(cpus->cpus[i].props.node_id);
> }
> for (i = 0; i < nb_numa_nodes; i++) {
> - numa_fw_cfg[pcms->apic_id_limit + 1 + i] =
> + numa_fw_cfg[x86ms->apic_id_limit + 1 + i] =
> cpu_to_le64(ms->numa_state->nodes[i].node_mem);
> }
> fw_cfg_add_bytes(fw_cfg, FW_CFG_NUMA, numa_fw_cfg,
> - (1 + pcms->apic_id_limit + nb_numa_nodes) *
> + (1 + x86ms->apic_id_limit + nb_numa_nodes) *
> sizeof(*numa_fw_cfg));
>
> return fw_cfg;
> }
>
> -static long get_file_size(FILE *f)
> -{
> - long where, size;
> -
> - /* XXX: on Unix systems, using fstat() probably makes more sense */
> -
> - where = ftell(f);
> - fseek(f, 0, SEEK_END);
> - size = ftell(f);
> - fseek(f, where, SEEK_SET);
> -
> - return size;
> -}
> -
> -struct setup_data {
> - uint64_t next;
> - uint32_t type;
> - uint32_t len;
> - uint8_t data[0];
> -} __attribute__((packed));
> -
> -static void load_linux(PCMachineState *pcms,
> - FWCfgState *fw_cfg)
> -{
> - uint16_t protocol;
> - int setup_size, kernel_size, cmdline_size;
> - int dtb_size, setup_data_offset;
> - uint32_t initrd_max;
> - uint8_t header[8192], *setup, *kernel;
> - hwaddr real_addr, prot_addr, cmdline_addr, initrd_addr = 0;
> - FILE *f;
> - char *vmode;
> - MachineState *machine = MACHINE(pcms);
> - PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
> - struct setup_data *setup_data;
> - const char *kernel_filename = machine->kernel_filename;
> - const char *initrd_filename = machine->initrd_filename;
> - const char *dtb_filename = machine->dtb;
> - const char *kernel_cmdline = machine->kernel_cmdline;
> -
> - /* Align to 16 bytes as a paranoia measure */
> - cmdline_size = (strlen(kernel_cmdline)+16) & ~15;
> -
> - /* load the kernel header */
> - f = fopen(kernel_filename, "rb");
> - if (!f || !(kernel_size = get_file_size(f)) ||
> - fread(header, 1, MIN(ARRAY_SIZE(header), kernel_size), f) !=
> - MIN(ARRAY_SIZE(header), kernel_size)) {
> - fprintf(stderr, "qemu: could not load kernel '%s': %s\n",
> - kernel_filename, strerror(errno));
> - exit(1);
> - }
> -
> - /* kernel protocol version */
> -#if 0
> - fprintf(stderr, "header magic: %#x\n", ldl_p(header+0x202));
> -#endif
> - if (ldl_p(header+0x202) == 0x53726448) {
> - protocol = lduw_p(header+0x206);
> - } else {
> - size_t pvh_start_addr;
> - uint32_t mh_load_addr = 0;
> - uint32_t elf_kernel_size = 0;
> - /*
> - * This could be a multiboot kernel. If it is, let's stop treating it
> - * like a Linux kernel.
> - * Note: some multiboot images could be in the ELF format (the same
> of
> - * PVH), so we try multiboot first since we check the multiboot magic
> - * header before to load it.
> - */
> - if (load_multiboot(fw_cfg, f, kernel_filename, initrd_filename,
> - kernel_cmdline, kernel_size, header)) {
> - return;
> - }
> - /*
> - * Check if the file is an uncompressed kernel file (ELF) and load
> it,
> - * saving the PVH entry point used by the x86/HVM direct boot ABI.
> - * If load_elfboot() is successful, populate the fw_cfg info.
> - */
> - if (pcmc->pvh_enabled &&
> - pvh_load_elfboot(kernel_filename,
> - &mh_load_addr, &elf_kernel_size)) {
> - fclose(f);
> -
> - pvh_start_addr = pvh_get_start_addr();
> -
> - fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ENTRY, pvh_start_addr);
> - fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, mh_load_addr);
> - fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, elf_kernel_size);
> -
> - fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
> - strlen(kernel_cmdline) + 1);
> - fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, kernel_cmdline);
> -
> - fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_SIZE, sizeof(header));
> - fw_cfg_add_bytes(fw_cfg, FW_CFG_SETUP_DATA,
> - header, sizeof(header));
> -
> - /* load initrd */
> - if (initrd_filename) {
> - GMappedFile *mapped_file;
> - gsize initrd_size;
> - gchar *initrd_data;
> - GError *gerr = NULL;
> -
> - mapped_file = g_mapped_file_new(initrd_filename, false,
> &gerr);
> - if (!mapped_file) {
> - fprintf(stderr, "qemu: error reading initrd %s: %s\n",
> - initrd_filename, gerr->message);
> - exit(1);
> - }
> - pcms->initrd_mapped_file = mapped_file;
> -
> - initrd_data = g_mapped_file_get_contents(mapped_file);
> - initrd_size = g_mapped_file_get_length(mapped_file);
> - initrd_max = pcms->below_4g_mem_size - pcmc->acpi_data_size
> - 1;
> - if (initrd_size >= initrd_max) {
> - fprintf(stderr, "qemu: initrd is too large, cannot
> support."
> - "(max: %"PRIu32", need %"PRId64")\n",
> - initrd_max, (uint64_t)initrd_size);
> - exit(1);
> - }
> -
> - initrd_addr = (initrd_max - initrd_size) & ~4095;
> -
> - fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
> - fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
> - fw_cfg_add_bytes(fw_cfg, FW_CFG_INITRD_DATA, initrd_data,
> - initrd_size);
> - }
> -
> - option_rom[nb_option_roms].bootindex = 0;
> - option_rom[nb_option_roms].name = "pvh.bin";
> - nb_option_roms++;
> -
> - return;
> - }
> - protocol = 0;
> - }
> -
> - if (protocol < 0x200 || !(header[0x211] & 0x01)) {
> - /* Low kernel */
> - real_addr = 0x90000;
> - cmdline_addr = 0x9a000 - cmdline_size;
> - prot_addr = 0x10000;
> - } else if (protocol < 0x202) {
> - /* High but ancient kernel */
> - real_addr = 0x90000;
> - cmdline_addr = 0x9a000 - cmdline_size;
> - prot_addr = 0x100000;
> - } else {
> - /* High and recent kernel */
> - real_addr = 0x10000;
> - cmdline_addr = 0x20000;
> - prot_addr = 0x100000;
> - }
> -
> -#if 0
> - fprintf(stderr,
> - "qemu: real_addr = 0x" TARGET_FMT_plx "\n"
> - "qemu: cmdline_addr = 0x" TARGET_FMT_plx "\n"
> - "qemu: prot_addr = 0x" TARGET_FMT_plx "\n",
> - real_addr,
> - cmdline_addr,
> - prot_addr);
> -#endif
> -
> - /* highest address for loading the initrd */
> - if (protocol >= 0x20c &&
> - lduw_p(header+0x236) & XLF_CAN_BE_LOADED_ABOVE_4G) {
> - /*
> - * Linux has supported initrd up to 4 GB for a very long time (2007,
> - * long before XLF_CAN_BE_LOADED_ABOVE_4G which was added in 2013),
> - * though it only sets initrd_max to 2 GB to "work around bootloader
> - * bugs". Luckily, QEMU firmware(which does something like
> bootloader)
> - * has supported this.
> - *
> - * It's believed that if XLF_CAN_BE_LOADED_ABOVE_4G is set, initrd
> can
> - * be loaded into any address.
> - *
> - * In addition, initrd_max is uint32_t simply because QEMU doesn't
> - * support the 64-bit boot protocol (specifically the
> ext_ramdisk_image
> - * field).
> - *
> - * Therefore here just limit initrd_max to UINT32_MAX simply as well.
> - */
> - initrd_max = UINT32_MAX;
> - } else if (protocol >= 0x203) {
> - initrd_max = ldl_p(header+0x22c);
> - } else {
> - initrd_max = 0x37ffffff;
> - }
> -
> - if (initrd_max >= pcms->below_4g_mem_size - pcmc->acpi_data_size) {
> - initrd_max = pcms->below_4g_mem_size - pcmc->acpi_data_size - 1;
> - }
> -
> - fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_ADDR, cmdline_addr);
> - fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, strlen(kernel_cmdline)+1);
> - fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, kernel_cmdline);
> -
> - if (protocol >= 0x202) {
> - stl_p(header+0x228, cmdline_addr);
> - } else {
> - stw_p(header+0x20, 0xA33F);
> - stw_p(header+0x22, cmdline_addr-real_addr);
> - }
> -
> - /* handle vga= parameter */
> - vmode = strstr(kernel_cmdline, "vga=");
> - if (vmode) {
> - unsigned int video_mode;
> - /* skip "vga=" */
> - vmode += 4;
> - if (!strncmp(vmode, "normal", 6)) {
> - video_mode = 0xffff;
> - } else if (!strncmp(vmode, "ext", 3)) {
> - video_mode = 0xfffe;
> - } else if (!strncmp(vmode, "ask", 3)) {
> - video_mode = 0xfffd;
> - } else {
> - video_mode = strtol(vmode, NULL, 0);
> - }
> - stw_p(header+0x1fa, video_mode);
> - }
> -
> - /* loader type */
> - /* High nybble = B reserved for QEMU; low nybble is revision number.
> - If this code is substantially changed, you may want to consider
> - incrementing the revision. */
> - if (protocol >= 0x200) {
> - header[0x210] = 0xB0;
> - }
> - /* heap */
> - if (protocol >= 0x201) {
> - header[0x211] |= 0x80; /* CAN_USE_HEAP */
> - stw_p(header+0x224, cmdline_addr-real_addr-0x200);
> - }
> -
> - /* load initrd */
> - if (initrd_filename) {
> - GMappedFile *mapped_file;
> - gsize initrd_size;
> - gchar *initrd_data;
> - GError *gerr = NULL;
> -
> - if (protocol < 0x200) {
> - fprintf(stderr, "qemu: linux kernel too old to load a ram
> disk\n");
> - exit(1);
> - }
> -
> - mapped_file = g_mapped_file_new(initrd_filename, false, &gerr);
> - if (!mapped_file) {
> - fprintf(stderr, "qemu: error reading initrd %s: %s\n",
> - initrd_filename, gerr->message);
> - exit(1);
> - }
> - pcms->initrd_mapped_file = mapped_file;
> -
> - initrd_data = g_mapped_file_get_contents(mapped_file);
> - initrd_size = g_mapped_file_get_length(mapped_file);
> - if (initrd_size >= initrd_max) {
> - fprintf(stderr, "qemu: initrd is too large, cannot support."
> - "(max: %"PRIu32", need %"PRId64")\n",
> - initrd_max, (uint64_t)initrd_size);
> - exit(1);
> - }
> -
> - initrd_addr = (initrd_max-initrd_size) & ~4095;
> -
> - fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
> - fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
> - fw_cfg_add_bytes(fw_cfg, FW_CFG_INITRD_DATA, initrd_data,
> initrd_size);
> -
> - stl_p(header+0x218, initrd_addr);
> - stl_p(header+0x21c, initrd_size);
> - }
> -
> - /* load kernel and setup */
> - setup_size = header[0x1f1];
> - if (setup_size == 0) {
> - 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);
> - kernel = g_malloc(kernel_size);
> - fseek(f, 0, SEEK_SET);
> - if (fread(setup, 1, setup_size, f) != setup_size) {
> - fprintf(stderr, "fread() failed\n");
> - exit(1);
> - }
> - if (fread(kernel, 1, kernel_size, f) != kernel_size) {
> - fprintf(stderr, "fread() failed\n");
> - exit(1);
> - }
> - fclose(f);
> -
> - /* append dtb to kernel */
> - if (dtb_filename) {
> - if (protocol < 0x209) {
> - fprintf(stderr, "qemu: Linux kernel too old to load a dtb\n");
> - exit(1);
> - }
> -
> - dtb_size = get_image_size(dtb_filename);
> - if (dtb_size <= 0) {
> - fprintf(stderr, "qemu: error reading dtb %s: %s\n",
> - dtb_filename, strerror(errno));
> - exit(1);
> - }
> -
> - setup_data_offset = QEMU_ALIGN_UP(kernel_size, 16);
> - kernel_size = setup_data_offset + sizeof(struct setup_data) +
> dtb_size;
> - kernel = g_realloc(kernel, kernel_size);
> -
> - stq_p(header+0x250, prot_addr + setup_data_offset);
> -
> - setup_data = (struct setup_data *)(kernel + setup_data_offset);
> - setup_data->next = 0;
> - setup_data->type = cpu_to_le32(SETUP_DTB);
> - setup_data->len = cpu_to_le32(dtb_size);
> -
> - load_image_size(dtb_filename, setup_data->data, dtb_size);
> - }
> -
> - memcpy(setup, header, MIN(sizeof(header), setup_size));
> -
> - fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, prot_addr);
> - fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
> - fw_cfg_add_bytes(fw_cfg, FW_CFG_KERNEL_DATA, kernel, kernel_size);
> -
> - fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_ADDR, real_addr);
> - fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_SIZE, setup_size);
> - fw_cfg_add_bytes(fw_cfg, FW_CFG_SETUP_DATA, setup, setup_size);
> -
> - option_rom[nb_option_roms].bootindex = 0;
> - option_rom[nb_option_roms].name = "linuxboot.bin";
> - if (pcmc->linuxboot_dma_enabled && fw_cfg_dma_enabled(fw_cfg)) {
> - option_rom[nb_option_roms].name = "linuxboot_dma.bin";
> - }
> - nb_option_roms++;
> -}
> -
> #define NE2000_NB_MAX 6
>
> static const int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360,
> @@ -1376,157 +1002,10 @@ void pc_acpi_smi_interrupt(void *opaque, int irq,
> int level)
> }
> }
>
> -static void pc_new_cpu(PCMachineState *pcms, int64_t apic_id, Error **errp)
> -{
> - Object *cpu = NULL;
> - Error *local_err = NULL;
> - CPUX86State *env = NULL;
> -
> - cpu = object_new(MACHINE(pcms)->cpu_type);
> -
> - env = &X86_CPU(cpu)->env;
> - env->nr_dies = pcms->smp_dies;
> -
> - object_property_set_uint(cpu, apic_id, "apic-id", &local_err);
> - object_property_set_bool(cpu, true, "realized", &local_err);
> -
> - object_unref(cpu);
> - error_propagate(errp, local_err);
> -}
> -
> -/*
> - * This function is very similar to smp_parse()
> - * in hw/core/machine.c but includes CPU die support.
> - */
> -void pc_smp_parse(MachineState *ms, QemuOpts *opts)
> -{
> - PCMachineState *pcms = PC_MACHINE(ms);
> -
> - if (opts) {
> - unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
> - unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
> - unsigned dies = qemu_opt_get_number(opts, "dies", 1);
> - unsigned cores = qemu_opt_get_number(opts, "cores", 0);
> - unsigned threads = qemu_opt_get_number(opts, "threads", 0);
> -
> - /* compute missing values, prefer sockets over cores over threads */
> - if (cpus == 0 || sockets == 0) {
> - cores = cores > 0 ? cores : 1;
> - threads = threads > 0 ? threads : 1;
> - if (cpus == 0) {
> - sockets = sockets > 0 ? sockets : 1;
> - cpus = cores * threads * dies * sockets;
> - } else {
> - ms->smp.max_cpus =
> - qemu_opt_get_number(opts, "maxcpus", cpus);
> - sockets = ms->smp.max_cpus / (cores * threads * dies);
> - }
> - } else if (cores == 0) {
> - threads = threads > 0 ? threads : 1;
> - cores = cpus / (sockets * dies * threads);
> - cores = cores > 0 ? cores : 1;
> - } else if (threads == 0) {
> - threads = cpus / (cores * dies * sockets);
> - threads = threads > 0 ? threads : 1;
> - } else if (sockets * dies * cores * threads < cpus) {
> - error_report("cpu topology: "
> - "sockets (%u) * dies (%u) * cores (%u) * threads
> (%u) < "
> - "smp_cpus (%u)",
> - sockets, dies, cores, threads, cpus);
> - exit(1);
> - }
> -
> - ms->smp.max_cpus =
> - qemu_opt_get_number(opts, "maxcpus", cpus);
> -
> - if (ms->smp.max_cpus < cpus) {
> - error_report("maxcpus must be equal to or greater than smp");
> - exit(1);
> - }
> -
> - if (sockets * dies * cores * threads > ms->smp.max_cpus) {
> - error_report("cpu topology: "
> - "sockets (%u) * dies (%u) * cores (%u) * threads
> (%u) > "
> - "maxcpus (%u)",
> - sockets, dies, cores, threads,
> - ms->smp.max_cpus);
> - exit(1);
> - }
> -
> - if (sockets * dies * cores * threads != ms->smp.max_cpus) {
> - warn_report("Invalid CPU topology deprecated: "
> - "sockets (%u) * dies (%u) * cores (%u) * threads
> (%u) "
> - "!= maxcpus (%u)",
> - sockets, dies, cores, threads,
> - ms->smp.max_cpus);
> - }
> -
> - ms->smp.cpus = cpus;
> - ms->smp.cores = cores;
> - ms->smp.threads = threads;
> - pcms->smp_dies = dies;
> - }
> -
> - if (ms->smp.cpus > 1) {
> - Error *blocker = NULL;
> - error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
> - replay_add_blocker(blocker);
> - }
> -}
> -
> -void pc_hot_add_cpu(MachineState *ms, const int64_t id, Error **errp)
> -{
> - PCMachineState *pcms = PC_MACHINE(ms);
> - int64_t apic_id = x86_cpu_apic_id_from_index(pcms, id);
> - Error *local_err = NULL;
> -
> - if (id < 0) {
> - error_setg(errp, "Invalid CPU id: %" PRIi64, id);
> - return;
> - }
> -
> - if (apic_id >= ACPI_CPU_HOTPLUG_ID_LIMIT) {
> - error_setg(errp, "Unable to add CPU: %" PRIi64
> - ", resulting APIC ID (%" PRIi64 ") is too large",
> - id, apic_id);
> - return;
> - }
> -
> - pc_new_cpu(PC_MACHINE(ms), apic_id, &local_err);
> - if (local_err) {
> - error_propagate(errp, local_err);
> - return;
> - }
> -}
> -
> -void pc_cpus_init(PCMachineState *pcms)
> -{
> - int i;
> - const CPUArchIdList *possible_cpus;
> - MachineState *ms = MACHINE(pcms);
> - MachineClass *mc = MACHINE_GET_CLASS(pcms);
> - PCMachineClass *pcmc = PC_MACHINE_CLASS(mc);
> -
> - x86_cpu_set_default_version(pcmc->default_cpu_version);
> -
> - /* Calculates the limit to CPU APIC ID values
> - *
> - * Limit for the APIC ID value, so that all
> - * CPU APIC IDs are < pcms->apic_id_limit.
> - *
> - * This is used for FW_CFG_MAX_CPUS. See comments on bochs_bios_init().
> - */
> - pcms->apic_id_limit = x86_cpu_apic_id_from_index(pcms,
> - ms->smp.max_cpus - 1) +
> 1;
> - possible_cpus = mc->possible_cpu_arch_ids(ms);
> - for (i = 0; i < ms->smp.cpus; i++) {
> - pc_new_cpu(pcms, possible_cpus->cpus[i].arch_id, &error_fatal);
> - }
> -}
> -
> static void pc_build_feature_control_file(PCMachineState *pcms)
> {
> MachineState *ms = MACHINE(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> X86CPU *cpu = X86_CPU(ms->possible_cpus->cpus[0].cpu);
> CPUX86State *env = &cpu->env;
> uint32_t unused, ecx, edx;
> @@ -1550,7 +1029,7 @@ static void
> pc_build_feature_control_file(PCMachineState *pcms)
>
> val = g_malloc(sizeof(*val));
> *val = cpu_to_le64(feature_control_bits | FEATURE_CONTROL_LOCKED);
> - fw_cfg_add_file(pcms->fw_cfg, "etc/msr_feature_control", val,
> sizeof(*val));
> + fw_cfg_add_file(x86ms->fw_cfg, "etc/msr_feature_control", val,
> sizeof(*val));
> }
>
> static void rtc_set_cpus_count(ISADevice *rtc, uint16_t cpus_count)
> @@ -1571,10 +1050,11 @@ void pc_machine_done(Notifier *notifier, void *data)
> {
> PCMachineState *pcms = container_of(notifier,
> PCMachineState, machine_done);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> PCIBus *bus = pcms->bus;
>
> /* set the number of CPUs */
> - rtc_set_cpus_count(pcms->rtc, pcms->boot_cpus);
> + rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
>
> if (bus) {
> int extra_hosts = 0;
> @@ -1585,23 +1065,23 @@ void pc_machine_done(Notifier *notifier, void *data)
> extra_hosts++;
> }
> }
> - if (extra_hosts && pcms->fw_cfg) {
> + if (extra_hosts && x86ms->fw_cfg) {
> uint64_t *val = g_malloc(sizeof(*val));
> *val = cpu_to_le64(extra_hosts);
> - fw_cfg_add_file(pcms->fw_cfg,
> + fw_cfg_add_file(x86ms->fw_cfg,
> "etc/extra-pci-roots", val, sizeof(*val));
> }
> }
>
> acpi_setup();
> - if (pcms->fw_cfg) {
> + if (x86ms->fw_cfg) {
> pc_build_smbios(pcms);
> pc_build_feature_control_file(pcms);
> /* update FW_CFG_NB_CPUS to account for -device added CPUs */
> - fw_cfg_modify_i16(pcms->fw_cfg, FW_CFG_NB_CPUS, pcms->boot_cpus);
> + fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
> }
>
> - if (pcms->apic_id_limit > 255 && !xen_enabled()) {
> + if (x86ms->apic_id_limit > 255 && !xen_enabled()) {
> IntelIOMMUState *iommu = INTEL_IOMMU_DEVICE(x86_iommu_get_default());
>
> if (!iommu || !x86_iommu_ir_supported(X86_IOMMU_DEVICE(iommu)) ||
> @@ -1619,8 +1099,9 @@ void pc_guest_info_init(PCMachineState *pcms)
> {
> int i;
> MachineState *ms = MACHINE(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
>
> - pcms->apic_xrupt_override = kvm_allows_irq0_override();
> + x86ms->apic_xrupt_override = kvm_allows_irq0_override();
> pcms->numa_nodes = ms->numa_state->num_nodes;
> pcms->node_mem = g_malloc0(pcms->numa_nodes *
> sizeof *pcms->node_mem);
> @@ -1645,14 +1126,17 @@ void xen_load_linux(PCMachineState *pcms)
> {
> int i;
> FWCfgState *fw_cfg;
> + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
>
> assert(MACHINE(pcms)->kernel_filename != NULL);
>
> fw_cfg = fw_cfg_init_io(FW_CFG_IO_BASE);
> - fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, pcms->boot_cpus);
> + fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
> rom_set_fw(fw_cfg);
>
> - load_linux(pcms, fw_cfg);
> + load_linux(x86ms, fw_cfg, pcmc->acpi_data_size,
> + pcmc->linuxboot_dma_enabled, pcmc->pvh_enabled);
> for (i = 0; i < nb_option_roms; i++) {
> assert(!strcmp(option_rom[i].name, "linuxboot.bin") ||
> !strcmp(option_rom[i].name, "linuxboot_dma.bin") ||
> @@ -1660,7 +1144,7 @@ void xen_load_linux(PCMachineState *pcms)
> !strcmp(option_rom[i].name, "multiboot.bin"));
> rom_add_option(option_rom[i].name, option_rom[i].bootindex);
> }
> - pcms->fw_cfg = fw_cfg;
> + x86ms->fw_cfg = fw_cfg;
> }
>
> void pc_memory_init(PCMachineState *pcms,
> @@ -1673,10 +1157,11 @@ void pc_memory_init(PCMachineState *pcms,
> MemoryRegion *ram_below_4g, *ram_above_4g;
> FWCfgState *fw_cfg;
> MachineState *machine = MACHINE(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
>
> - assert(machine->ram_size == pcms->below_4g_mem_size +
> - pcms->above_4g_mem_size);
> + assert(machine->ram_size == x86ms->below_4g_mem_size +
> + x86ms->above_4g_mem_size);
>
> linux_boot = (machine->kernel_filename != NULL);
>
> @@ -1690,17 +1175,17 @@ void pc_memory_init(PCMachineState *pcms,
> *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, pcms->below_4g_mem_size);
> + 0, x86ms->below_4g_mem_size);
> memory_region_add_subregion(system_memory, 0, ram_below_4g);
> - e820_add_entry(0, pcms->below_4g_mem_size, E820_RAM);
> - if (pcms->above_4g_mem_size > 0) {
> + e820_add_entry(0, x86ms->below_4g_mem_size, E820_RAM);
> + if (x86ms->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,
> - pcms->below_4g_mem_size,
> - pcms->above_4g_mem_size);
> + x86ms->below_4g_mem_size,
> + x86ms->above_4g_mem_size);
> memory_region_add_subregion(system_memory, 0x100000000ULL,
> ram_above_4g);
> - e820_add_entry(0x100000000ULL, pcms->above_4g_mem_size, E820_RAM);
> + e820_add_entry(0x100000000ULL, x86ms->above_4g_mem_size, E820_RAM);
> }
>
> if (!pcmc->has_reserved_memory &&
> @@ -1735,7 +1220,7 @@ void pc_memory_init(PCMachineState *pcms,
> }
>
> machine->device_memory->base =
> - ROUND_UP(0x100000000ULL + pcms->above_4g_mem_size, 1 * GiB);
> + ROUND_UP(0x100000000ULL + x86ms->above_4g_mem_size, 1 * GiB);
>
> if (pcmc->enforce_aligned_dimm) {
> /* size device region assuming 1G page max alignment per slot */
> @@ -1786,16 +1271,17 @@ void pc_memory_init(PCMachineState *pcms,
> }
>
> if (linux_boot) {
> - load_linux(pcms, fw_cfg);
> + load_linux(x86ms, fw_cfg, pcmc->acpi_data_size,
> + pcmc->linuxboot_dma_enabled, pcmc->pvh_enabled);
> }
>
> for (i = 0; i < nb_option_roms; i++) {
> rom_add_option(option_rom[i].name, option_rom[i].bootindex);
> }
> - pcms->fw_cfg = fw_cfg;
> + x86ms->fw_cfg = fw_cfg;
>
> /* Init default IOAPIC address space */
> - pcms->ioapic_as = &address_space_memory;
> + x86ms->ioapic_as = &address_space_memory;
> }
>
> /*
> @@ -1807,6 +1293,7 @@ uint64_t pc_pci_hole64_start(void)
> PCMachineState *pcms = PC_MACHINE(qdev_get_machine());
> PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
> MachineState *ms = MACHINE(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> uint64_t hole64_start = 0;
>
> if (pcmc->has_reserved_memory && ms->device_memory->base) {
> @@ -1815,7 +1302,7 @@ uint64_t pc_pci_hole64_start(void)
> hole64_start += memory_region_size(&ms->device_memory->mr);
> }
> } else {
> - hole64_start = 0x100000000ULL + pcms->above_4g_mem_size;
> + hole64_start = 0x100000000ULL + x86ms->above_4g_mem_size;
> }
>
> return ROUND_UP(hole64_start, 1 * GiB);
> @@ -2154,6 +1641,7 @@ static void pc_cpu_plug(HotplugHandler *hotplug_dev,
> Error *local_err = NULL;
> X86CPU *cpu = X86_CPU(dev);
> PCMachineState *pcms = PC_MACHINE(hotplug_dev);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
>
> if (pcms->acpi_dev) {
> hotplug_handler_plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev,
> &local_err);
> @@ -2163,12 +1651,12 @@ static void pc_cpu_plug(HotplugHandler *hotplug_dev,
> }
>
> /* increment the number of CPUs */
> - pcms->boot_cpus++;
> - if (pcms->rtc) {
> - rtc_set_cpus_count(pcms->rtc, pcms->boot_cpus);
> + x86ms->boot_cpus++;
> + if (x86ms->rtc) {
> + rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
> }
> - if (pcms->fw_cfg) {
> - fw_cfg_modify_i16(pcms->fw_cfg, FW_CFG_NB_CPUS, pcms->boot_cpus);
> + if (x86ms->fw_cfg) {
> + fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
> }
>
> found_cpu = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, NULL);
> @@ -2214,6 +1702,7 @@ static void pc_cpu_unplug_cb(HotplugHandler
> *hotplug_dev,
> Error *local_err = NULL;
> X86CPU *cpu = X86_CPU(dev);
> PCMachineState *pcms = PC_MACHINE(hotplug_dev);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
>
> hotplug_handler_unplug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
> if (local_err) {
> @@ -2225,10 +1714,10 @@ static void pc_cpu_unplug_cb(HotplugHandler
> *hotplug_dev,
> object_property_set_bool(OBJECT(dev), false, "realized", NULL);
>
> /* decrement the number of CPUs */
> - pcms->boot_cpus--;
> + x86ms->boot_cpus--;
> /* Update the number of CPUs in CMOS */
> - rtc_set_cpus_count(pcms->rtc, pcms->boot_cpus);
> - fw_cfg_modify_i16(pcms->fw_cfg, FW_CFG_NB_CPUS, pcms->boot_cpus);
> + rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus);
> + fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus);
> out:
> error_propagate(errp, local_err);
> }
> @@ -2244,6 +1733,7 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
> CPUX86State *env = &cpu->env;
> MachineState *ms = MACHINE(hotplug_dev);
> PCMachineState *pcms = PC_MACHINE(hotplug_dev);
> + X86MachineState *x86ms = X86_MACHINE(hotplug_dev);
> unsigned int smp_cores = ms->smp.cores;
> unsigned int smp_threads = ms->smp.threads;
>
> @@ -2253,7 +1743,7 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
> return;
> }
>
> - env->nr_dies = pcms->smp_dies;
> + env->nr_dies = x86ms->smp_dies;
>
> /*
> * If APIC ID is not set,
> @@ -2261,13 +1751,13 @@ static void pc_cpu_pre_plug(HotplugHandler
> *hotplug_dev,
> */
> if (cpu->apic_id == UNASSIGNED_APIC_ID) {
> int max_socket = (ms->smp.max_cpus - 1) /
> - smp_threads / smp_cores / pcms->smp_dies;
> + smp_threads / smp_cores / x86ms->smp_dies;
>
> /*
> * die-id was optional in QEMU 4.0 and older, so keep it optional
> * if there's only one die per socket.
> */
> - if (cpu->die_id < 0 && pcms->smp_dies == 1) {
> + if (cpu->die_id < 0 && x86ms->smp_dies == 1) {
> cpu->die_id = 0;
> }
>
> @@ -2282,9 +1772,9 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
> if (cpu->die_id < 0) {
> error_setg(errp, "CPU die-id is not set");
> return;
> - } else if (cpu->die_id > pcms->smp_dies - 1) {
> + } else if (cpu->die_id > x86ms->smp_dies - 1) {
> error_setg(errp, "Invalid CPU die-id: %u must be in range 0:%u",
> - cpu->die_id, pcms->smp_dies - 1);
> + cpu->die_id, x86ms->smp_dies - 1);
> return;
> }
> if (cpu->core_id < 0) {
> @@ -2308,7 +1798,7 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
> topo.die_id = cpu->die_id;
> topo.core_id = cpu->core_id;
> topo.smt_id = cpu->thread_id;
> - cpu->apic_id = apicid_from_topo_ids(pcms->smp_dies, smp_cores,
> + cpu->apic_id = apicid_from_topo_ids(x86ms->smp_dies, smp_cores,
> smp_threads, &topo);
> }
>
> @@ -2316,7 +1806,7 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
> if (!cpu_slot) {
> MachineState *ms = MACHINE(pcms);
>
> - x86_topo_ids_from_apicid(cpu->apic_id, pcms->smp_dies,
> + x86_topo_ids_from_apicid(cpu->apic_id, x86ms->smp_dies,
> smp_cores, smp_threads, &topo);
> error_setg(errp,
> "Invalid CPU [socket: %u, die: %u, core: %u, thread: %u] with"
> @@ -2338,7 +1828,7 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
> /* TODO: move socket_id/core_id/thread_id checks into x86_cpu_realizefn()
> * once -smp refactoring is complete and there will be CPU private
> * CPUState::nr_cores and CPUState::nr_threads fields instead of globals
> */
> - x86_topo_ids_from_apicid(cpu->apic_id, pcms->smp_dies,
> + x86_topo_ids_from_apicid(cpu->apic_id, x86ms->smp_dies,
> smp_cores, smp_threads, &topo);
> if (cpu->socket_id != -1 && cpu->socket_id != topo.pkg_id) {
> error_setg(errp, "property socket-id: %u doesn't match set apic-id:"
> @@ -2520,45 +2010,6 @@ pc_machine_get_device_memory_region_size(Object *obj,
> Visitor *v,
> visit_type_int(v, name, &value, errp);
> }
>
> -static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v,
> - const char *name, void *opaque,
> - Error **errp)
> -{
> - PCMachineState *pcms = PC_MACHINE(obj);
> - uint64_t value = pcms->max_ram_below_4g;
> -
> - visit_type_size(v, name, &value, errp);
> -}
> -
> -static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v,
> - const char *name, void *opaque,
> - Error **errp)
> -{
> - PCMachineState *pcms = PC_MACHINE(obj);
> - Error *error = NULL;
> - uint64_t value;
> -
> - visit_type_size(v, name, &value, &error);
> - if (error) {
> - error_propagate(errp, error);
> - return;
> - }
> - if (value > 4 * GiB) {
> - error_setg(&error,
> - "Machine option 'max-ram-below-4g=%"PRIu64
> - "' expects size less than or equal to 4G", value);
> - error_propagate(errp, error);
> - return;
> - }
> -
> - if (value < 1 * MiB) {
> - warn_report("Only %" PRIu64 " bytes of RAM below the 4GiB boundary,"
> - "BIOS may not work with less than 1MiB", value);
> - }
> -
> - pcms->max_ram_below_4g = value;
> -}
> -
> static void pc_machine_get_vmport(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> @@ -2664,7 +2115,6 @@ static void pc_machine_initfn(Object *obj)
> {
> PCMachineState *pcms = PC_MACHINE(obj);
>
> - pcms->max_ram_below_4g = 0; /* use default */
> pcms->smm = ON_OFF_AUTO_AUTO;
> #ifdef CONFIG_VMPORT
> pcms->vmport = ON_OFF_AUTO_AUTO;
> @@ -2676,7 +2126,6 @@ static void pc_machine_initfn(Object *obj)
> pcms->smbus_enabled = true;
> pcms->sata_enabled = true;
> pcms->pit_enabled = true;
> - pcms->smp_dies = 1;
>
> pc_system_flash_create(pcms);
> }
> @@ -2707,85 +2156,6 @@ static void pc_machine_wakeup(MachineState *machine)
> cpu_synchronize_all_post_reset();
> }
>
> -static CpuInstanceProperties
> -pc_cpu_index_to_props(MachineState *ms, unsigned cpu_index)
> -{
> - MachineClass *mc = MACHINE_GET_CLASS(ms);
> - const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
> -
> - assert(cpu_index < possible_cpus->len);
> - return possible_cpus->cpus[cpu_index].props;
> -}
> -
> -static int64_t pc_get_default_cpu_node_id(const MachineState *ms, int idx)
> -{
> - X86CPUTopoInfo topo;
> - PCMachineState *pcms = PC_MACHINE(ms);
> -
> - assert(idx < ms->possible_cpus->len);
> - x86_topo_ids_from_apicid(ms->possible_cpus->cpus[idx].arch_id,
> - pcms->smp_dies, ms->smp.cores,
> - ms->smp.threads, &topo);
> - return topo.pkg_id % ms->numa_state->num_nodes;
> -}
> -
> -static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *ms)
> -{
> - PCMachineState *pcms = PC_MACHINE(ms);
> - int i;
> - unsigned int max_cpus = ms->smp.max_cpus;
> -
> - if (ms->possible_cpus) {
> - /*
> - * make sure that max_cpus hasn't changed since the first use, i.e.
> - * -smp hasn't been parsed after it
> - */
> - assert(ms->possible_cpus->len == max_cpus);
> - return ms->possible_cpus;
> - }
> -
> - ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
> - sizeof(CPUArchId) * max_cpus);
> - ms->possible_cpus->len = max_cpus;
> - for (i = 0; i < ms->possible_cpus->len; i++) {
> - X86CPUTopoInfo topo;
> -
> - ms->possible_cpus->cpus[i].type = ms->cpu_type;
> - ms->possible_cpus->cpus[i].vcpus_count = 1;
> - ms->possible_cpus->cpus[i].arch_id =
> x86_cpu_apic_id_from_index(pcms, i);
> - x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
> - pcms->smp_dies, ms->smp.cores,
> - ms->smp.threads, &topo);
> - ms->possible_cpus->cpus[i].props.has_socket_id = true;
> - ms->possible_cpus->cpus[i].props.socket_id = topo.pkg_id;
> - if (pcms->smp_dies > 1) {
> - ms->possible_cpus->cpus[i].props.has_die_id = true;
> - ms->possible_cpus->cpus[i].props.die_id = topo.die_id;
> - }
> - ms->possible_cpus->cpus[i].props.has_core_id = true;
> - 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;
> - }
> - return ms->possible_cpus;
> -}
> -
> -static void x86_nmi(NMIState *n, int cpu_index, Error **errp)
> -{
> - /* cpu index isn't used */
> - CPUState *cs;
> -
> - CPU_FOREACH(cs) {
> - X86CPU *cpu = X86_CPU(cs);
> -
> - if (!cpu->apic_state) {
> - cpu_interrupt(cs, CPU_INTERRUPT_NMI);
> - } else {
> - apic_deliver_nmi(cpu->apic_state);
> - }
> - }
> -}
> -
> static void pc_machine_class_init(ObjectClass *oc, void *data)
> {
> MachineClass *mc = MACHINE_CLASS(oc);
> @@ -2810,14 +2180,11 @@ static void pc_machine_class_init(ObjectClass *oc,
> void *data)
> pcmc->pvh_enabled = true;
> assert(!mc->get_hotplug_handler);
> mc->get_hotplug_handler = pc_get_hotplug_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->auto_enable_numa_with_memhp = true;
> mc->has_hotpluggable_cpus = true;
> mc->default_boot_order = "cad";
> - mc->hot_add_cpu = pc_hot_add_cpu;
> - mc->smp_parse = pc_smp_parse;
> + mc->hot_add_cpu = x86_hot_add_cpu;
> + mc->smp_parse = x86_smp_parse;
> mc->block_default_type = IF_IDE;
> mc->max_cpus = 255;
> mc->reset = pc_machine_reset;
> @@ -2835,13 +2202,6 @@ static void pc_machine_class_init(ObjectClass *oc,
> void *data)
> pc_machine_get_device_memory_region_size, NULL,
> NULL, NULL, &error_abort);
>
> - object_class_property_add(oc, PC_MACHINE_MAX_RAM_BELOW_4G, "size",
> - pc_machine_get_max_ram_below_4g, pc_machine_set_max_ram_below_4g,
> - NULL, NULL, &error_abort);
> -
> - object_class_property_set_description(oc, PC_MACHINE_MAX_RAM_BELOW_4G,
> - "Maximum ram below the 4G boundary (32bit boundary)", &error_abort);
> -
> object_class_property_add(oc, PC_MACHINE_SMM, "OnOffAuto",
> pc_machine_get_smm, pc_machine_set_smm,
> NULL, NULL, &error_abort);
> @@ -2866,7 +2226,7 @@ static void pc_machine_class_init(ObjectClass *oc, void
> *data)
>
> static const TypeInfo pc_machine_info = {
> .name = TYPE_PC_MACHINE,
> - .parent = TYPE_MACHINE,
> + .parent = TYPE_X86_MACHINE,
> .abstract = true,
> .instance_size = sizeof(PCMachineState),
> .instance_init = pc_machine_initfn,
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index 2362675149..f63c27bc74 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -27,6 +27,7 @@
>
> #include "qemu/units.h"
> #include "hw/loader.h"
> +#include "hw/i386/x86.h"
> #include "hw/i386/pc.h"
> #include "hw/i386/apic.h"
> #include "hw/display/ramfb.h"
> @@ -73,6 +74,7 @@ static void pc_init1(MachineState *machine,
> {
> PCMachineState *pcms = PC_MACHINE(machine);
> PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> MemoryRegion *system_memory = get_system_memory();
> MemoryRegion *system_io = get_system_io();
> int i;
> @@ -125,11 +127,11 @@ static void pc_init1(MachineState *machine,
> if (xen_enabled()) {
> xen_hvm_init(pcms, &ram_memory);
> } else {
> - if (!pcms->max_ram_below_4g) {
> - pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */
> + if (!x86ms->max_ram_below_4g) {
> + x86ms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */
> }
> - lowmem = pcms->max_ram_below_4g;
> - if (machine->ram_size >= pcms->max_ram_below_4g) {
> + lowmem = x86ms->max_ram_below_4g;
> + if (machine->ram_size >= x86ms->max_ram_below_4g) {
> if (pcmc->gigabyte_align) {
> if (lowmem > 0xc0000000) {
> lowmem = 0xc0000000;
> @@ -138,21 +140,21 @@ static void pc_init1(MachineState *machine,
> warn_report("Large machine and max_ram_below_4g "
> "(%" PRIu64 ") not a multiple of 1G; "
> "possible bad performance.",
> - pcms->max_ram_below_4g);
> + x86ms->max_ram_below_4g);
> }
> }
> }
>
> if (machine->ram_size >= lowmem) {
> - pcms->above_4g_mem_size = machine->ram_size - lowmem;
> - pcms->below_4g_mem_size = lowmem;
> + x86ms->above_4g_mem_size = machine->ram_size - lowmem;
> + x86ms->below_4g_mem_size = lowmem;
> } else {
> - pcms->above_4g_mem_size = 0;
> - pcms->below_4g_mem_size = machine->ram_size;
> + x86ms->above_4g_mem_size = 0;
> + x86ms->below_4g_mem_size = machine->ram_size;
> }
> }
>
> - pc_cpus_init(pcms);
> + x86_cpus_init(x86ms, pcmc->default_cpu_version);
>
> if (kvm_enabled() && pcmc->kvmclock_enabled) {
> kvmclock_create();
> @@ -190,19 +192,19 @@ static void pc_init1(MachineState *machine,
> gsi_state = g_malloc0(sizeof(*gsi_state));
> if (kvm_ioapic_in_kernel()) {
> kvm_pc_setup_irq_routing(pcmc->pci_enabled);
> - pcms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
> - GSI_NUM_PINS);
> + x86ms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
> + GSI_NUM_PINS);
> } else {
> - pcms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
> + x86ms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state,
> GSI_NUM_PINS);
> }
>
> if (pcmc->pci_enabled) {
> pci_bus = i440fx_init(host_type,
> pci_type,
> - &i440fx_state, &piix3_devfn, &isa_bus,
> pcms->gsi,
> + &i440fx_state, &piix3_devfn, &isa_bus,
> x86ms->gsi,
> system_memory, system_io, machine->ram_size,
> - pcms->below_4g_mem_size,
> - pcms->above_4g_mem_size,
> + x86ms->below_4g_mem_size,
> + x86ms->above_4g_mem_size,
> pci_memory, ram_memory);
> pcms->bus = pci_bus;
> } else {
> @@ -212,7 +214,7 @@ static void pc_init1(MachineState *machine,
> &error_abort);
> no_hpet = 1;
> }
> - isa_bus_irqs(isa_bus, pcms->gsi);
> + isa_bus_irqs(isa_bus, x86ms->gsi);
>
> if (kvm_pic_in_kernel()) {
> i8259 = kvm_i8259_init(isa_bus);
> @@ -230,7 +232,7 @@ static void pc_init1(MachineState *machine,
> ioapic_init_gsi(gsi_state, "i440fx");
> }
>
> - pc_register_ferr_irq(pcms->gsi[13]);
> + pc_register_ferr_irq(x86ms->gsi[13]);
>
> pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL);
>
> @@ -240,7 +242,7 @@ static void pc_init1(MachineState *machine,
> }
>
> /* init basic PC hardware */
> - pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, true,
> + pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, true,
> (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled,
> 0x4);
>
> @@ -288,7 +290,7 @@ else {
> smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0);
> /* TODO: Populate SPD eeprom data. */
> smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
> - pcms->gsi[9], smi_irq,
> + x86ms->gsi[9], smi_irq,
> pc_machine_is_smm_enabled(pcms),
> &piix4_pm);
> smbus_eeprom_init(smbus, 8, NULL, 0);
> @@ -304,7 +306,7 @@ else {
>
> if (machine->nvdimms_state->is_enabled) {
> nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
> - pcms->fw_cfg, OBJECT(pcms));
> + x86ms->fw_cfg, OBJECT(pcms));
> }
> }
>
> @@ -728,7 +730,7 @@ DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4",
> pc_compat_1_4_fn,
>
> static void pc_i440fx_1_3_machine_options(MachineClass *m)
> {
> - PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
> + X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
> static GlobalProperty compat[] = {
> PC_CPU_MODEL_IDS("1.3.0")
> { "usb-tablet", "usb_version", "1" },
> @@ -739,7 +741,7 @@ static void pc_i440fx_1_3_machine_options(MachineClass *m)
>
> pc_i440fx_1_4_machine_options(m);
> m->hw_version = "1.3.0";
> - pcmc->compat_apic_id_mode = true;
> + x86mc->compat_apic_id_mode = true;
> compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
> }
>
> diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
> index d4e8a1cb9f..71f71bc61d 100644
> --- a/hw/i386/pc_q35.c
> +++ b/hw/i386/pc_q35.c
> @@ -41,6 +41,7 @@
> #include "hw/pci-host/q35.h"
> #include "hw/qdev-properties.h"
> #include "exec/address-spaces.h"
> +#include "hw/i386/x86.h"
> #include "hw/i386/pc.h"
> #include "hw/i386/ich9.h"
> #include "hw/i386/amd_iommu.h"
> @@ -115,6 +116,7 @@ static void pc_q35_init(MachineState *machine)
> {
> PCMachineState *pcms = PC_MACHINE(machine);
> PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
> + X86MachineState *x86ms = X86_MACHINE(pcms);
> Q35PCIHost *q35_host;
> PCIHostState *phb;
> PCIBus *host_bus;
> @@ -152,34 +154,34 @@ static void pc_q35_init(MachineState *machine)
> /* Handle the machine opt max-ram-below-4g. It is basically doing
> * min(qemu limit, user limit).
> */
> - if (!pcms->max_ram_below_4g) {
> - pcms->max_ram_below_4g = 1ULL << 32; /* default: 4G */;
> + if (!x86ms->max_ram_below_4g) {
> + x86ms->max_ram_below_4g = 1ULL << 32; /* default: 4G */;
> }
> - if (lowmem > pcms->max_ram_below_4g) {
> - lowmem = pcms->max_ram_below_4g;
> + if (lowmem > x86ms->max_ram_below_4g) {
> + lowmem = x86ms->max_ram_below_4g;
> if (machine->ram_size - lowmem > lowmem &&
> lowmem & (1 * GiB - 1)) {
> warn_report("There is possibly poor performance as the ram size "
> " (0x%" PRIx64 ") is more then twice the size of"
> " max-ram-below-4g (%"PRIu64") and"
> " max-ram-below-4g is not a multiple of 1G.",
> - (uint64_t)machine->ram_size, pcms->max_ram_below_4g);
> + (uint64_t)machine->ram_size,
> x86ms->max_ram_below_4g);
> }
> }
>
> if (machine->ram_size >= lowmem) {
> - pcms->above_4g_mem_size = machine->ram_size - lowmem;
> - pcms->below_4g_mem_size = lowmem;
> + x86ms->above_4g_mem_size = machine->ram_size - lowmem;
> + x86ms->below_4g_mem_size = lowmem;
> } else {
> - pcms->above_4g_mem_size = 0;
> - pcms->below_4g_mem_size = machine->ram_size;
> + x86ms->above_4g_mem_size = 0;
> + x86ms->below_4g_mem_size = machine->ram_size;
> }
>
> if (xen_enabled()) {
> xen_hvm_init(pcms, &ram_memory);
> }
>
> - pc_cpus_init(pcms);
> + x86_cpus_init(x86ms, pcmc->default_cpu_version);
>
> kvmclock_create();
>
> @@ -213,10 +215,10 @@ static void pc_q35_init(MachineState *machine)
> gsi_state = g_malloc0(sizeof(*gsi_state));
> if (kvm_ioapic_in_kernel()) {
> kvm_pc_setup_irq_routing(pcmc->pci_enabled);
> - pcms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
> + x86ms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
> GSI_NUM_PINS);
> } else {
> - pcms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
> + x86ms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state,
> GSI_NUM_PINS);
> }
>
> /* create pci host bus */
> @@ -231,9 +233,9 @@ static void pc_q35_init(MachineState *machine)
> MCH_HOST_PROP_SYSTEM_MEM, NULL);
> object_property_set_link(OBJECT(q35_host), OBJECT(system_io),
> MCH_HOST_PROP_IO_MEM, NULL);
> - object_property_set_int(OBJECT(q35_host), pcms->below_4g_mem_size,
> + object_property_set_int(OBJECT(q35_host), x86ms->below_4g_mem_size,
> PCI_HOST_BELOW_4G_MEM_SIZE, NULL);
> - object_property_set_int(OBJECT(q35_host), pcms->above_4g_mem_size,
> + object_property_set_int(OBJECT(q35_host), x86ms->above_4g_mem_size,
> PCI_HOST_ABOVE_4G_MEM_SIZE, NULL);
> /* pci */
> qdev_init_nofail(DEVICE(q35_host));
> @@ -255,7 +257,7 @@ static void pc_q35_init(MachineState *machine)
> ich9_lpc = ICH9_LPC_DEVICE(lpc);
> lpc_dev = DEVICE(lpc);
> for (i = 0; i < GSI_NUM_PINS; i++) {
> - qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, pcms->gsi[i]);
> + qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i,
> x86ms->gsi[i]);
> }
> pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc_map_irq, ich9_lpc,
> ICH9_LPC_NB_PIRQS);
> @@ -279,7 +281,7 @@ static void pc_q35_init(MachineState *machine)
> ioapic_init_gsi(gsi_state, "q35");
> }
>
> - pc_register_ferr_irq(pcms->gsi[13]);
> + pc_register_ferr_irq(x86ms->gsi[13]);
>
> assert(pcms->vmport != ON_OFF_AUTO__MAX);
> if (pcms->vmport == ON_OFF_AUTO_AUTO) {
> @@ -287,7 +289,7 @@ static void pc_q35_init(MachineState *machine)
> }
>
> /* init basic PC hardware */
> - pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, !mc->no_floppy,
> + pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, !mc->no_floppy,
> (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled,
> 0xff0104);
>
> @@ -330,7 +332,7 @@ static void pc_q35_init(MachineState *machine)
>
> if (machine->nvdimms_state->is_enabled) {
> nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
> - pcms->fw_cfg, OBJECT(pcms));
> + x86ms->fw_cfg, OBJECT(pcms));
> }
> }
>
> diff --git a/hw/i386/pc_sysfw.c b/hw/i386/pc_sysfw.c
> index a9983f0bfb..97f38e0423 100644
> --- a/hw/i386/pc_sysfw.c
> +++ b/hw/i386/pc_sysfw.c
> @@ -31,6 +31,7 @@
> #include "qemu/option.h"
> #include "qemu/units.h"
> #include "hw/sysbus.h"
> +#include "hw/i386/x86.h"
> #include "hw/i386/pc.h"
> #include "hw/loader.h"
> #include "hw/qdev-properties.h"
> @@ -38,8 +39,6 @@
> #include "hw/block/flash.h"
> #include "sysemu/kvm.h"
>
> -#define BIOS_FILENAME "bios.bin"
> -
> /*
> * We don't have a theoretically justifiable exact lower bound on the base
> * address of any flash mapping. In practice, the IO-APIC MMIO range is
> @@ -211,59 +210,6 @@ static void pc_system_flash_map(PCMachineState *pcms,
> }
> }
>
> -static void old_pc_system_rom_init(MemoryRegion *rom_memory, bool
> isapc_ram_fw)
> -{
> - char *filename;
> - MemoryRegion *bios, *isa_bios;
> - int bios_size, isa_bios_size;
> - int ret;
> -
> - /* BIOS load */
> - if (bios_name == NULL) {
> - bios_name = BIOS_FILENAME;
> - }
> - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
> - if (filename) {
> - bios_size = get_image_size(filename);
> - } else {
> - bios_size = -1;
> - }
> - if (bios_size <= 0 ||
> - (bios_size % 65536) != 0) {
> - goto bios_error;
> - }
> - bios = g_malloc(sizeof(*bios));
> - memory_region_init_ram(bios, NULL, "pc.bios", bios_size, &error_fatal);
> - if (!isapc_ram_fw) {
> - memory_region_set_readonly(bios, true);
> - }
> - ret = rom_add_file_fixed(bios_name, (uint32_t)(-bios_size), -1);
> - if (ret != 0) {
> - bios_error:
> - fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", bios_name);
> - exit(1);
> - }
> - g_free(filename);
> -
> - /* map the last 128KB of the BIOS in ISA space */
> - isa_bios_size = MIN(bios_size, 128 * KiB);
> - isa_bios = g_malloc(sizeof(*isa_bios));
> - memory_region_init_alias(isa_bios, NULL, "isa-bios", bios,
> - bios_size - isa_bios_size, isa_bios_size);
> - memory_region_add_subregion_overlap(rom_memory,
> - 0x100000 - isa_bios_size,
> - isa_bios,
> - 1);
> - if (!isapc_ram_fw) {
> - memory_region_set_readonly(isa_bios, true);
> - }
> -
> - /* map all the bios at the top of memory */
> - memory_region_add_subregion(rom_memory,
> - (uint32_t)(-bios_size),
> - bios);
> -}
> -
> void pc_system_firmware_init(PCMachineState *pcms,
> MemoryRegion *rom_memory)
> {
> @@ -272,7 +218,7 @@ void pc_system_firmware_init(PCMachineState *pcms,
> BlockBackend *pflash_blk[ARRAY_SIZE(pcms->flash)];
>
> if (!pcmc->pci_enabled) {
> - old_pc_system_rom_init(rom_memory, true);
> + x86_system_rom_init(rom_memory, true);
> return;
> }
>
> @@ -293,7 +239,7 @@ void pc_system_firmware_init(PCMachineState *pcms,
>
> if (!pflash_blk[0]) {
> /* Machine property pflash0 not set, use ROM mode */
> - old_pc_system_rom_init(rom_memory, false);
> + x86_system_rom_init(rom_memory, false);
> } else {
> if (kvm_enabled() && !kvm_readonly_mem_enabled()) {
> /*
> diff --git a/hw/i386/x86.c b/hw/i386/x86.c
> new file mode 100644
> index 0000000000..4de9dd100f
> --- /dev/null
> +++ b/hw/i386/x86.c
> @@ -0,0 +1,788 @@
> +/*
> + * Copyright (c) 2003-2004 Fabrice Bellard
> + * Copyright (c) 2019 Red Hat, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> copy
> + * of this software and associated documentation files (the "Software"), to
> deal
> + * in the Software without restriction, including without limitation the
> rights
> + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> + * copies of the Software, and to permit persons to whom the Software is
> + * furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> FROM,
> + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> + * THE SOFTWARE.
> + */
> +#include "qemu/osdep.h"
> +#include "qemu/error-report.h"
> +#include "qemu/option.h"
> +#include "qemu/cutils.h"
> +#include "qemu/units.h"
> +#include "qapi/error.h"
> +#include "qapi/qmp/qerror.h"
> +#include "qapi/qapi-visit-common.h"
> +#include "qapi/visitor.h"
> +#include "sysemu/qtest.h"
> +#include "sysemu/numa.h"
> +#include "sysemu/replay.h"
> +#include "sysemu/sysemu.h"
> +
> +#include "hw/i386/x86.h"
> +#include "target/i386/cpu.h"
> +#include "hw/i386/topology.h"
> +#include "hw/i386/fw_cfg.h"
> +#include "hw/acpi/cpu_hotplug.h"
> +#include "hw/nmi.h"
> +#include "hw/loader.h"
> +#include "multiboot.h"
> +#include "pvh.h"
> +#include "standard-headers/asm-x86/bootparam.h"
> +
> +#define BIOS_FILENAME "bios.bin"
> +
> +/* Calculates initial APIC ID for a specific CPU index
> + *
> + * Currently we need to be able to calculate the APIC ID from the CPU index
> + * alone (without requiring a CPU object), as the QEMU<->Seabios interfaces
> have
> + * no concept of "CPU index", and the NUMA tables on fw_cfg need the APIC ID
> of
> + * all CPUs up to max_cpus.
> + */
> +uint32_t x86_cpu_apic_id_from_index(X86MachineState *x86ms,
> + unsigned int cpu_index)
> +{
> + MachineState *ms = MACHINE(x86ms);
> + X86MachineClass *x86mc = X86_MACHINE_GET_CLASS(x86ms);
> + uint32_t correct_id;
> + static bool warned;
> +
> + correct_id = x86_apicid_from_cpu_idx(x86ms->smp_dies, ms->smp.cores,
> + ms->smp.threads, cpu_index);
> + if (x86mc->compat_apic_id_mode) {
> + if (cpu_index != correct_id && !warned && !qtest_enabled()) {
> + error_report("APIC IDs set in compatibility mode, "
> + "CPU topology won't match the configuration");
> + warned = true;
> + }
> + return cpu_index;
> + } else {
> + return correct_id;
> + }
> +}
> +
> +
> +static void x86_new_cpu(X86MachineState *x86ms, int64_t apic_id, Error
> **errp)
> +{
> + Object *cpu = NULL;
> + Error *local_err = NULL;
> + CPUX86State *env = NULL;
> +
> + cpu = object_new(MACHINE(x86ms)->cpu_type);
> +
> + env = &X86_CPU(cpu)->env;
> + env->nr_dies = x86ms->smp_dies;
> +
> + object_property_set_uint(cpu, apic_id, "apic-id", &local_err);
> + object_property_set_bool(cpu, true, "realized", &local_err);
> +
> + object_unref(cpu);
> + error_propagate(errp, local_err);
> +}
> +
> +/*
> + * This function is very similar to smp_parse()
> + * in hw/core/machine.c but includes CPU die support.
> + */
> +void x86_smp_parse(MachineState *ms, QemuOpts *opts)
> +{
> + X86MachineState *x86ms = X86_MACHINE(ms);
> +
> + if (opts) {
> + unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
> + unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
> + unsigned dies = qemu_opt_get_number(opts, "dies", 1);
> + unsigned cores = qemu_opt_get_number(opts, "cores", 0);
> + unsigned threads = qemu_opt_get_number(opts, "threads", 0);
> +
> + /* compute missing values, prefer sockets over cores over threads */
> + if (cpus == 0 || sockets == 0) {
> + cores = cores > 0 ? cores : 1;
> + threads = threads > 0 ? threads : 1;
> + if (cpus == 0) {
> + sockets = sockets > 0 ? sockets : 1;
> + cpus = cores * threads * dies * sockets;
> + } else {
> + ms->smp.max_cpus =
> + qemu_opt_get_number(opts, "maxcpus", cpus);
> + sockets = ms->smp.max_cpus / (cores * threads * dies);
> + }
> + } else if (cores == 0) {
> + threads = threads > 0 ? threads : 1;
> + cores = cpus / (sockets * dies * threads);
> + cores = cores > 0 ? cores : 1;
> + } else if (threads == 0) {
> + threads = cpus / (cores * dies * sockets);
> + threads = threads > 0 ? threads : 1;
> + } else if (sockets * dies * cores * threads < cpus) {
> + error_report("cpu topology: "
> + "sockets (%u) * dies (%u) * cores (%u) * threads
> (%u) < "
> + "smp_cpus (%u)",
> + sockets, dies, cores, threads, cpus);
> + exit(1);
> + }
> +
> + ms->smp.max_cpus =
> + qemu_opt_get_number(opts, "maxcpus", cpus);
> +
> + if (ms->smp.max_cpus < cpus) {
> + error_report("maxcpus must be equal to or greater than smp");
> + exit(1);
> + }
> +
> + if (sockets * dies * cores * threads > ms->smp.max_cpus) {
> + error_report("cpu topology: "
> + "sockets (%u) * dies (%u) * cores (%u) * threads
> (%u) > "
> + "maxcpus (%u)",
> + sockets, dies, cores, threads,
> + ms->smp.max_cpus);
> + exit(1);
> + }
> +
> + if (sockets * dies * cores * threads != ms->smp.max_cpus) {
> + warn_report("Invalid CPU topology deprecated: "
> + "sockets (%u) * dies (%u) * cores (%u) * threads
> (%u) "
> + "!= maxcpus (%u)",
> + sockets, dies, cores, threads,
> + ms->smp.max_cpus);
> + }
> +
> + ms->smp.cpus = cpus;
> + ms->smp.cores = cores;
> + ms->smp.threads = threads;
> + x86ms->smp_dies = dies;
> + }
> +
> + if (ms->smp.cpus > 1) {
> + Error *blocker = NULL;
> + error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
> + replay_add_blocker(blocker);
> + }
> +}
> +
> +void x86_hot_add_cpu(MachineState *ms, const int64_t id, Error **errp)
> +{
> + X86MachineState *x86ms = X86_MACHINE(ms);
> + int64_t apic_id = x86_cpu_apic_id_from_index(x86ms, id);
> + Error *local_err = NULL;
> +
> + if (id < 0) {
> + error_setg(errp, "Invalid CPU id: %" PRIi64, id);
> + return;
> + }
> +
> + if (apic_id >= ACPI_CPU_HOTPLUG_ID_LIMIT) {
> + error_setg(errp, "Unable to add CPU: %" PRIi64
> + ", resulting APIC ID (%" PRIi64 ") is too large",
> + id, apic_id);
> + return;
> + }
> +
> + x86_new_cpu(X86_MACHINE(ms), apic_id, &local_err);
> + if (local_err) {
> + error_propagate(errp, local_err);
> + return;
> + }
> +}
> +
> +void x86_cpus_init(X86MachineState *x86ms, int default_cpu_version)
> +{
> + int i;
> + const CPUArchIdList *possible_cpus;
> + MachineState *ms = MACHINE(x86ms);
> + MachineClass *mc = MACHINE_GET_CLASS(x86ms);
> +
> + x86_cpu_set_default_version(default_cpu_version);
> +
> + /* Calculates the limit to CPU APIC ID values
> + *
> + * Limit for the APIC ID value, so that all
> + * CPU APIC IDs are < x86ms->apic_id_limit.
> + *
> + * This is used for FW_CFG_MAX_CPUS. See comments on bochs_bios_init().
> + */
> + x86ms->apic_id_limit = x86_cpu_apic_id_from_index(x86ms,
> + ms->smp.max_cpus - 1)
> + 1;
> + possible_cpus = mc->possible_cpu_arch_ids(ms);
> + for (i = 0; i < ms->smp.cpus; i++) {
> + x86_new_cpu(x86ms, possible_cpus->cpus[i].arch_id, &error_fatal);
> + }
> +}
> +
> +void x86_nmi(NMIState *n, int cpu_index, Error **errp)
> +{
> + /* cpu index isn't used */
> + CPUState *cs;
> +
> + CPU_FOREACH(cs) {
> + X86CPU *cpu = X86_CPU(cs);
> +
> + if (!cpu->apic_state) {
> + cpu_interrupt(cs, CPU_INTERRUPT_NMI);
> + } else {
> + apic_deliver_nmi(cpu->apic_state);
> + }
> + }
> +}
> +
> +CpuInstanceProperties
> +x86_cpu_index_to_props(MachineState *ms, unsigned cpu_index)
> +{
> + MachineClass *mc = MACHINE_GET_CLASS(ms);
> + const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
> +
> + assert(cpu_index < possible_cpus->len);
> + return possible_cpus->cpus[cpu_index].props;
> +}
> +
> +int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx)
> +{
> + X86CPUTopoInfo topo;
> + X86MachineState *x86ms = X86_MACHINE(ms);
> +
> + assert(idx < ms->possible_cpus->len);
> + x86_topo_ids_from_apicid(ms->possible_cpus->cpus[idx].arch_id,
> + x86ms->smp_dies, ms->smp.cores,
> + ms->smp.threads, &topo);
> + return topo.pkg_id % ms->numa_state->num_nodes;
> +}
> +
> +const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
> +{
> + X86MachineState *x86ms = X86_MACHINE(ms);
> + int i;
> + unsigned int max_cpus = ms->smp.max_cpus;
> +
> + if (ms->possible_cpus) {
> + /*
> + * make sure that max_cpus hasn't changed since the first use, i.e.
> + * -smp hasn't been parsed after it
> + */
> + assert(ms->possible_cpus->len == max_cpus);
> + return ms->possible_cpus;
> + }
> +
> + ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
> + sizeof(CPUArchId) * max_cpus);
> + ms->possible_cpus->len = max_cpus;
> + for (i = 0; i < ms->possible_cpus->len; i++) {
> + X86CPUTopoInfo topo;
> +
> + ms->possible_cpus->cpus[i].type = ms->cpu_type;
> + ms->possible_cpus->cpus[i].vcpus_count = 1;
> + ms->possible_cpus->cpus[i].arch_id =
> x86_cpu_apic_id_from_index(x86ms, i);
> + x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
> + x86ms->smp_dies, ms->smp.cores,
> + ms->smp.threads, &topo);
> + ms->possible_cpus->cpus[i].props.has_socket_id = true;
> + ms->possible_cpus->cpus[i].props.socket_id = topo.pkg_id;
> + if (x86ms->smp_dies > 1) {
> + ms->possible_cpus->cpus[i].props.has_die_id = true;
> + ms->possible_cpus->cpus[i].props.die_id = topo.die_id;
> + }
> + ms->possible_cpus->cpus[i].props.has_core_id = true;
> + 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;
> + }
> + return ms->possible_cpus;
> +}
> +
> +void x86_system_rom_init(MemoryRegion *rom_memory, bool isapc_ram_fw)
> +{
> + char *filename;
> + MemoryRegion *bios, *isa_bios;
> + int bios_size, isa_bios_size;
> + int ret;
> +
> + /* BIOS load */
> + if (bios_name == NULL) {
> + bios_name = BIOS_FILENAME;
> + }
> + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
> + if (filename) {
> + bios_size = get_image_size(filename);
> + } else {
> + bios_size = -1;
> + }
> + if (bios_size <= 0 ||
> + (bios_size % 65536) != 0) {
> + goto bios_error;
> + }
> + bios = g_malloc(sizeof(*bios));
> + memory_region_init_ram(bios, NULL, "pc.bios", bios_size, &error_fatal);
> + if (!isapc_ram_fw) {
> + memory_region_set_readonly(bios, true);
> + }
> + ret = rom_add_file_fixed(bios_name, (uint32_t)(-bios_size), -1);
> + if (ret != 0) {
> + bios_error:
> + fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", bios_name);
> + exit(1);
> + }
> + g_free(filename);
> +
> + /* map the last 128KB of the BIOS in ISA space */
> + isa_bios_size = MIN(bios_size, 128 * KiB);
> + isa_bios = g_malloc(sizeof(*isa_bios));
> + memory_region_init_alias(isa_bios, NULL, "isa-bios", bios,
> + bios_size - isa_bios_size, isa_bios_size);
> + memory_region_add_subregion_overlap(rom_memory,
> + 0x100000 - isa_bios_size,
> + isa_bios,
> + 1);
> + if (!isapc_ram_fw) {
> + memory_region_set_readonly(isa_bios, true);
> + }
> +
> + /* map all the bios at the top of memory */
> + memory_region_add_subregion(rom_memory,
> + (uint32_t)(-bios_size),
> + bios);
> +}
> +
> +static long get_file_size(FILE *f)
> +{
> + long where, size;
> +
> + /* XXX: on Unix systems, using fstat() probably makes more sense */
> +
> + where = ftell(f);
> + fseek(f, 0, SEEK_END);
> + size = ftell(f);
> + fseek(f, where, SEEK_SET);
> +
> + return size;
> +}
> +
> +struct setup_data {
> + uint64_t next;
> + uint32_t type;
> + uint32_t len;
> + uint8_t data[0];
> +} __attribute__((packed));
> +
> +void load_linux(X86MachineState *x86ms,
> + FWCfgState *fw_cfg,
> + unsigned acpi_data_size,
> + bool linuxboot_dma_enabled,
> + bool pvh_enabled)
> +{
> + uint16_t protocol;
> + int setup_size, kernel_size, cmdline_size;
> + int dtb_size, setup_data_offset;
> + uint32_t initrd_max;
> + uint8_t header[8192], *setup, *kernel;
> + hwaddr real_addr, prot_addr, cmdline_addr, initrd_addr = 0;
> + FILE *f;
> + char *vmode;
> + MachineState *machine = MACHINE(x86ms);
> + struct setup_data *setup_data;
> + const char *kernel_filename = machine->kernel_filename;
> + const char *initrd_filename = machine->initrd_filename;
> + const char *dtb_filename = machine->dtb;
> + const char *kernel_cmdline = machine->kernel_cmdline;
> +
> + /* Align to 16 bytes as a paranoia measure */
> + cmdline_size = (strlen(kernel_cmdline)+16) & ~15;
> +
> + /* load the kernel header */
> + f = fopen(kernel_filename, "rb");
> + if (!f || !(kernel_size = get_file_size(f)) ||
> + fread(header, 1, MIN(ARRAY_SIZE(header), kernel_size), f) !=
> + MIN(ARRAY_SIZE(header), kernel_size)) {
> + fprintf(stderr, "qemu: could not load kernel '%s': %s\n",
> + kernel_filename, strerror(errno));
> + exit(1);
> + }
> +
> + /* kernel protocol version */
> +#if 0
> + fprintf(stderr, "header magic: %#x\n", ldl_p(header+0x202));
> +#endif
> + if (ldl_p(header+0x202) == 0x53726448) {
> + protocol = lduw_p(header+0x206);
> + } else {
> + size_t pvh_start_addr;
> + uint32_t mh_load_addr = 0;
> + uint32_t elf_kernel_size = 0;
> + /*
> + * This could be a multiboot kernel. If it is, let's stop treating it
> + * like a Linux kernel.
> + * Note: some multiboot images could be in the ELF format (the same
> of
> + * PVH), so we try multiboot first since we check the multiboot magic
> + * header before to load it.
> + */
> + if (load_multiboot(fw_cfg, f, kernel_filename, initrd_filename,
> + kernel_cmdline, kernel_size, header)) {
> + return;
> + }
> + /*
> + * Check if the file is an uncompressed kernel file (ELF) and load
> it,
> + * saving the PVH entry point used by the x86/HVM direct boot ABI.
> + * If load_elfboot() is successful, populate the fw_cfg info.
> + */
> + if (pvh_enabled &&
> + pvh_load_elfboot(kernel_filename,
> + &mh_load_addr, &elf_kernel_size)) {
> + fclose(f);
> +
> + pvh_start_addr = pvh_get_start_addr();
> +
> + fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ENTRY, pvh_start_addr);
> + fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, mh_load_addr);
> + fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, elf_kernel_size);
> +
> + fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
> + strlen(kernel_cmdline) + 1);
> + fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, kernel_cmdline);
> +
> + fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_SIZE, sizeof(header));
> + fw_cfg_add_bytes(fw_cfg, FW_CFG_SETUP_DATA,
> + header, sizeof(header));
> +
> + /* load initrd */
> + if (initrd_filename) {
> + GMappedFile *mapped_file;
> + gsize initrd_size;
> + gchar *initrd_data;
> + GError *gerr = NULL;
> +
> + mapped_file = g_mapped_file_new(initrd_filename, false,
> &gerr);
> + if (!mapped_file) {
> + fprintf(stderr, "qemu: error reading initrd %s: %s\n",
> + initrd_filename, gerr->message);
> + exit(1);
> + }
> + x86ms->initrd_mapped_file = mapped_file;
> +
> + initrd_data = g_mapped_file_get_contents(mapped_file);
> + initrd_size = g_mapped_file_get_length(mapped_file);
> + initrd_max = x86ms->below_4g_mem_size - acpi_data_size - 1;
> + if (initrd_size >= initrd_max) {
> + fprintf(stderr, "qemu: initrd is too large, cannot
> support."
> + "(max: %"PRIu32", need %"PRId64")\n",
> + initrd_max, (uint64_t)initrd_size);
> + exit(1);
> + }
> +
> + initrd_addr = (initrd_max - initrd_size) & ~4095;
> +
> + fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
> + fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
> + fw_cfg_add_bytes(fw_cfg, FW_CFG_INITRD_DATA, initrd_data,
> + initrd_size);
> + }
> +
> + option_rom[nb_option_roms].bootindex = 0;
> + option_rom[nb_option_roms].name = "pvh.bin";
> + nb_option_roms++;
> +
> + return;
> + }
> + protocol = 0;
> + }
> +
> + if (protocol < 0x200 || !(header[0x211] & 0x01)) {
> + /* Low kernel */
> + real_addr = 0x90000;
> + cmdline_addr = 0x9a000 - cmdline_size;
> + prot_addr = 0x10000;
> + } else if (protocol < 0x202) {
> + /* High but ancient kernel */
> + real_addr = 0x90000;
> + cmdline_addr = 0x9a000 - cmdline_size;
> + prot_addr = 0x100000;
> + } else {
> + /* High and recent kernel */
> + real_addr = 0x10000;
> + cmdline_addr = 0x20000;
> + prot_addr = 0x100000;
> + }
> +
> +#if 0
> + fprintf(stderr,
> + "qemu: real_addr = 0x" TARGET_FMT_plx "\n"
> + "qemu: cmdline_addr = 0x" TARGET_FMT_plx "\n"
> + "qemu: prot_addr = 0x" TARGET_FMT_plx "\n",
> + real_addr,
> + cmdline_addr,
> + prot_addr);
> +#endif
> +
> + /* highest address for loading the initrd */
> + if (protocol >= 0x20c &&
> + lduw_p(header+0x236) & XLF_CAN_BE_LOADED_ABOVE_4G) {
> + /*
> + * Linux has supported initrd up to 4 GB for a very long time (2007,
> + * long before XLF_CAN_BE_LOADED_ABOVE_4G which was added in 2013),
> + * though it only sets initrd_max to 2 GB to "work around bootloader
> + * bugs". Luckily, QEMU firmware(which does something like
> bootloader)
> + * has supported this.
> + *
> + * It's believed that if XLF_CAN_BE_LOADED_ABOVE_4G is set, initrd
> can
> + * be loaded into any address.
> + *
> + * In addition, initrd_max is uint32_t simply because QEMU doesn't
> + * support the 64-bit boot protocol (specifically the
> ext_ramdisk_image
> + * field).
> + *
> + * Therefore here just limit initrd_max to UINT32_MAX simply as well.
> + */
> + initrd_max = UINT32_MAX;
> + } else if (protocol >= 0x203) {
> + initrd_max = ldl_p(header+0x22c);
> + } else {
> + initrd_max = 0x37ffffff;
> + }
> +
> + if (initrd_max >= x86ms->below_4g_mem_size - acpi_data_size) {
> + initrd_max = x86ms->below_4g_mem_size - acpi_data_size - 1;
> + }
> +
> + fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_ADDR, cmdline_addr);
> + fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, strlen(kernel_cmdline)+1);
> + fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, kernel_cmdline);
> +
> + if (protocol >= 0x202) {
> + stl_p(header+0x228, cmdline_addr);
> + } else {
> + stw_p(header+0x20, 0xA33F);
> + stw_p(header+0x22, cmdline_addr-real_addr);
> + }
> +
> + /* handle vga= parameter */
> + vmode = strstr(kernel_cmdline, "vga=");
> + if (vmode) {
> + unsigned int video_mode;
> + /* skip "vga=" */
> + vmode += 4;
> + if (!strncmp(vmode, "normal", 6)) {
> + video_mode = 0xffff;
> + } else if (!strncmp(vmode, "ext", 3)) {
> + video_mode = 0xfffe;
> + } else if (!strncmp(vmode, "ask", 3)) {
> + video_mode = 0xfffd;
> + } else {
> + video_mode = strtol(vmode, NULL, 0);
> + }
> + stw_p(header+0x1fa, video_mode);
> + }
> +
> + /* loader type */
> + /* High nybble = B reserved for QEMU; low nybble is revision number.
> + If this code is substantially changed, you may want to consider
> + incrementing the revision. */
> + if (protocol >= 0x200) {
> + header[0x210] = 0xB0;
> + }
> + /* heap */
> + if (protocol >= 0x201) {
> + header[0x211] |= 0x80; /* CAN_USE_HEAP */
> + stw_p(header+0x224, cmdline_addr-real_addr-0x200);
> + }
> +
> + /* load initrd */
> + if (initrd_filename) {
> + GMappedFile *mapped_file;
> + gsize initrd_size;
> + gchar *initrd_data;
> + GError *gerr = NULL;
> +
> + if (protocol < 0x200) {
> + fprintf(stderr, "qemu: linux kernel too old to load a ram
> disk\n");
> + exit(1);
> + }
> +
> + mapped_file = g_mapped_file_new(initrd_filename, false, &gerr);
> + if (!mapped_file) {
> + fprintf(stderr, "qemu: error reading initrd %s: %s\n",
> + initrd_filename, gerr->message);
> + exit(1);
> + }
> + x86ms->initrd_mapped_file = mapped_file;
> +
> + initrd_data = g_mapped_file_get_contents(mapped_file);
> + initrd_size = g_mapped_file_get_length(mapped_file);
> + if (initrd_size >= initrd_max) {
> + fprintf(stderr, "qemu: initrd is too large, cannot support."
> + "(max: %"PRIu32", need %"PRId64")\n",
> + initrd_max, (uint64_t)initrd_size);
> + exit(1);
> + }
> +
> + initrd_addr = (initrd_max-initrd_size) & ~4095;
> +
> + fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
> + fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
> + fw_cfg_add_bytes(fw_cfg, FW_CFG_INITRD_DATA, initrd_data,
> initrd_size);
> +
> + stl_p(header+0x218, initrd_addr);
> + stl_p(header+0x21c, initrd_size);
> + }
> +
> + /* load kernel and setup */
> + setup_size = header[0x1f1];
> + if (setup_size == 0) {
> + 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);
> + kernel = g_malloc(kernel_size);
> + fseek(f, 0, SEEK_SET);
> + if (fread(setup, 1, setup_size, f) != setup_size) {
> + fprintf(stderr, "fread() failed\n");
> + exit(1);
> + }
> + if (fread(kernel, 1, kernel_size, f) != kernel_size) {
> + fprintf(stderr, "fread() failed\n");
> + exit(1);
> + }
> + fclose(f);
> +
> + /* append dtb to kernel */
> + if (dtb_filename) {
> + if (protocol < 0x209) {
> + fprintf(stderr, "qemu: Linux kernel too old to load a dtb\n");
> + exit(1);
> + }
> +
> + dtb_size = get_image_size(dtb_filename);
> + if (dtb_size <= 0) {
> + fprintf(stderr, "qemu: error reading dtb %s: %s\n",
> + dtb_filename, strerror(errno));
> + exit(1);
> + }
> +
> + setup_data_offset = QEMU_ALIGN_UP(kernel_size, 16);
> + kernel_size = setup_data_offset + sizeof(struct setup_data) +
> dtb_size;
> + kernel = g_realloc(kernel, kernel_size);
> +
> + stq_p(header+0x250, prot_addr + setup_data_offset);
> +
> + setup_data = (struct setup_data *)(kernel + setup_data_offset);
> + setup_data->next = 0;
> + setup_data->type = cpu_to_le32(SETUP_DTB);
> + setup_data->len = cpu_to_le32(dtb_size);
> +
> + load_image_size(dtb_filename, setup_data->data, dtb_size);
> + }
> +
> + memcpy(setup, header, MIN(sizeof(header), setup_size));
> +
> + fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, prot_addr);
> + fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
> + fw_cfg_add_bytes(fw_cfg, FW_CFG_KERNEL_DATA, kernel, kernel_size);
> +
> + fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_ADDR, real_addr);
> + fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_SIZE, setup_size);
> + fw_cfg_add_bytes(fw_cfg, FW_CFG_SETUP_DATA, setup, setup_size);
> +
> + option_rom[nb_option_roms].bootindex = 0;
> + option_rom[nb_option_roms].name = "linuxboot.bin";
> + if (linuxboot_dma_enabled && fw_cfg_dma_enabled(fw_cfg)) {
> + option_rom[nb_option_roms].name = "linuxboot_dma.bin";
> + }
> + nb_option_roms++;
> +}
> +
> +static void x86_machine_get_max_ram_below_4g(Object *obj, Visitor *v,
> + const char *name, void *opaque,
> + Error **errp)
> +{
> + X86MachineState *x86ms = X86_MACHINE(obj);
> + uint64_t value = x86ms->max_ram_below_4g;
> +
> + visit_type_size(v, name, &value, errp);
> +}
> +
> +static void x86_machine_set_max_ram_below_4g(Object *obj, Visitor *v,
> + const char *name, void *opaque,
> + Error **errp)
> +{
> + X86MachineState *x86ms = X86_MACHINE(obj);
> + Error *error = NULL;
> + uint64_t value;
> +
> + visit_type_size(v, name, &value, &error);
> + if (error) {
> + error_propagate(errp, error);
> + return;
> + }
> + if (value > 4 * GiB) {
> + error_setg(&error,
> + "Machine option 'max-ram-below-4g=%"PRIu64
> + "' expects size less than or equal to 4G", value);
> + error_propagate(errp, error);
> + return;
> + }
> +
> + if (value < 1 * MiB) {
> + warn_report("Only %" PRIu64 " bytes of RAM below the 4GiB boundary,"
> + "BIOS may not work with less than 1MiB", value);
> + }
> +
> + x86ms->max_ram_below_4g = value;
> +}
> +
> +static void x86_machine_initfn(Object *obj)
> +{
> + X86MachineState *x86ms = X86_MACHINE(obj);
> +
> + x86ms->max_ram_below_4g = 0; /* use default */
> + x86ms->smp_dies = 1;
> +}
> +
> +static void x86_machine_class_init(ObjectClass *oc, void *data)
> +{
> + MachineClass *mc = MACHINE_CLASS(oc);
> +
> + mc->cpu_index_to_instance_props = x86_cpu_index_to_props;
> + mc->get_default_cpu_node_id = x86_get_default_cpu_node_id;
> + mc->possible_cpu_arch_ids = x86_possible_cpu_arch_ids;
> +
> + object_class_property_add(oc, X86_MACHINE_MAX_RAM_BELOW_4G, "size",
> + x86_machine_get_max_ram_below_4g, x86_machine_set_max_ram_below_4g,
> + NULL, NULL, &error_abort);
> +
> + object_class_property_set_description(oc, X86_MACHINE_MAX_RAM_BELOW_4G,
> + "Maximum ram below the 4G boundary (32bit boundary)", &error_abort);
> +}
> +
> +static const TypeInfo x86_machine_info = {
> + .name = TYPE_X86_MACHINE,
> + .parent = TYPE_MACHINE,
> + .abstract = true,
> + .instance_size = sizeof(X86MachineState),
> + .instance_init = x86_machine_initfn,
> + .class_size = sizeof(X86MachineClass),
> + .class_init = x86_machine_class_init,
> +};
> +
> +static void x86_machine_register_types(void)
> +{
> + type_register_static(&x86_machine_info);
> +}
> +
> +type_init(x86_machine_register_types)
> diff --git a/hw/intc/ioapic.c b/hw/intc/ioapic.c
> index 1ede055387..e621dde6c3 100644
> --- a/hw/intc/ioapic.c
> +++ b/hw/intc/ioapic.c
> @@ -23,6 +23,7 @@
> #include "qemu/osdep.h"
> #include "qapi/error.h"
> #include "monitor/monitor.h"
> +#include "hw/i386/x86.h"
> #include "hw/i386/pc.h"
> #include "hw/i386/apic.h"
> #include "hw/i386/ioapic.h"
> @@ -89,7 +90,7 @@ static void ioapic_entry_parse(uint64_t entry, struct
> ioapic_entry_info *info)
>
> static void ioapic_service(IOAPICCommonState *s)
> {
> - AddressSpace *ioapic_as = PC_MACHINE(qdev_get_machine())->ioapic_as;
> + AddressSpace *ioapic_as = X86_MACHINE(qdev_get_machine())->ioapic_as;
> struct ioapic_entry_info info;
> uint8_t i;
> uint32_t mask;
> diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
> index 062feeb69e..de28d55e5c 100644
> --- a/include/hw/i386/pc.h
> +++ b/include/hw/i386/pc.h
> @@ -3,6 +3,7 @@
>
> #include "exec/memory.h"
> #include "hw/boards.h"
> +#include "hw/i386/x86.h"
> #include "hw/isa/isa.h"
> #include "hw/block/fdc.h"
> #include "hw/block/flash.h"
> @@ -27,7 +28,7 @@
> */
> struct PCMachineState {
> /*< private >*/
> - MachineState parent_obj;
> + X86MachineState parent_obj;
>
> /* <public> */
>
> @@ -36,15 +37,10 @@ struct PCMachineState {
>
> /* Pointers to devices and objects: */
> HotplugHandler *acpi_dev;
> - ISADevice *rtc;
> PCIBus *bus;
> - FWCfgState *fw_cfg;
> - qemu_irq *gsi;
> PFlashCFI01 *flash[2];
> - GMappedFile *initrd_mapped_file;
>
> /* Configuration options: */
> - uint64_t max_ram_below_4g;
> OnOffAuto vmport;
> OnOffAuto smm;
>
> @@ -53,27 +49,13 @@ struct PCMachineState {
> bool sata_enabled;
> bool pit_enabled;
>
> - /* RAM information (sizes, addresses, configuration): */
> - ram_addr_t below_4g_mem_size, above_4g_mem_size;
> -
> - /* CPU and apic information: */
> - bool apic_xrupt_override;
> - unsigned apic_id_limit;
> - uint16_t boot_cpus;
> - unsigned smp_dies;
> -
> /* NUMA information: */
> uint64_t numa_nodes;
> uint64_t *node_mem;
> -
> - /* Address space used by IOAPIC device. All IOAPIC interrupts
> - * will be translated to MSI messages in the address space. */
> - AddressSpace *ioapic_as;
> };
>
> #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
> #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
> -#define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
> #define PC_MACHINE_VMPORT "vmport"
> #define PC_MACHINE_SMM "smm"
> #define PC_MACHINE_SMBUS "smbus"
> @@ -139,9 +121,6 @@ typedef struct PCMachineClass {
>
> /* use PVH to load kernels that support this feature */
> bool pvh_enabled;
> -
> - /* Enables contiguous-apic-ID mode */
> - bool compat_apic_id_mode;
> } PCMachineClass;
>
> #define TYPE_PC_MACHINE "generic-pc-machine"
> @@ -193,10 +172,6 @@ bool pc_machine_is_smm_enabled(PCMachineState *pcms);
> void pc_register_ferr_irq(qemu_irq irq);
> void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
>
> -void pc_cpus_init(PCMachineState *pcms);
> -void pc_hot_add_cpu(MachineState *ms, const int64_t id, Error **errp);
> -void pc_smp_parse(MachineState *ms, QemuOpts *opts);
> -
> void pc_guest_info_init(PCMachineState *pcms);
>
> #define PCI_HOST_PROP_PCI_HOLE_START "pci-hole-start"
> diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
> new file mode 100644
> index 0000000000..5980090b29
> --- /dev/null
> +++ b/include/hw/i386/x86.h
> @@ -0,0 +1,97 @@
> +/*
> + * Copyright (c) 2019 Red Hat, Inc.
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2 or later, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
> + * more details.
> + *
> + * You should have received a copy of the GNU General Public License along
> with
> + * this program. If not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#ifndef HW_I386_X86_H
> +#define HW_I386_X86_H
> +
> +#include "qemu-common.h"
> +#include "exec/hwaddr.h"
> +#include "qemu/notify.h"
> +
> +#include "hw/boards.h"
> +#include "hw/nmi.h"
> +
> +typedef struct {
> + /*< private >*/
> + MachineClass parent;
> +
> + /*< public >*/
> +
> + /* Enables contiguous-apic-ID mode */
> + bool compat_apic_id_mode;
> +} X86MachineClass;
> +
> +typedef struct {
> + /*< private >*/
> + MachineState parent;
> +
> + /*< public >*/
> +
> + /* Pointers to devices and objects: */
> + ISADevice *rtc;
> + FWCfgState *fw_cfg;
> + qemu_irq *gsi;
> + GMappedFile *initrd_mapped_file;
> +
> + /* Configuration options: */
> + uint64_t max_ram_below_4g;
> +
> + /* RAM information (sizes, addresses, configuration): */
> + ram_addr_t below_4g_mem_size, above_4g_mem_size;
> +
> + /* CPU and apic information: */
> + bool apic_xrupt_override;
> + unsigned apic_id_limit;
> + uint16_t boot_cpus;
> + unsigned smp_dies;
> +
> + /* Address space used by IOAPIC device. All IOAPIC interrupts
> + * will be translated to MSI messages in the address space. */
> + AddressSpace *ioapic_as;
> +} X86MachineState;
> +
> +#define X86_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
> +
> +#define TYPE_X86_MACHINE MACHINE_TYPE_NAME("x86")
> +#define X86_MACHINE(obj) \
> + OBJECT_CHECK(X86MachineState, (obj), TYPE_X86_MACHINE)
> +#define X86_MACHINE_GET_CLASS(obj) \
> + OBJECT_GET_CLASS(X86MachineClass, obj, TYPE_X86_MACHINE)
> +#define X86_MACHINE_CLASS(class) \
> + OBJECT_CLASS_CHECK(X86MachineClass, class, TYPE_X86_MACHINE)
> +
> +uint32_t x86_cpu_apic_id_from_index(X86MachineState *x86ms,
> + unsigned int cpu_index);
> +
> +void x86_cpus_init(X86MachineState *pcms, int default_cpu_version);
> +void x86_hot_add_cpu(MachineState *ms, const int64_t id, Error **errp);
> +void x86_smp_parse(MachineState *ms, QemuOpts *opts);
> +void x86_nmi(NMIState *n, int cpu_index, Error **errp);
> +
> +CpuInstanceProperties x86_cpu_index_to_props(MachineState *ms,
> + unsigned cpu_index);
> +int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx);
> +const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms);
> +
> +void x86_system_rom_init(MemoryRegion *rom_memory, bool isapc_ram_fw);
> +
> +void load_linux(X86MachineState *x86ms,
Maybe rename x86_load_linux()?
> + FWCfgState *fw_cfg,
> + unsigned acpi_data_size,
> + bool linuxboot_dma_enabled,
> + bool pvh_enabled);
> +
> +#endif
>
Patch looks good, however I'd split it as:
1/ rename functions x86_*
2/ export functions, add "hw/i386/x86.h"
3/ move functions to hw/i386/x86.c
4/ add/use X86MachineState
Anyhow if the maintainer is happy as it:
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
- Re: [PATCH v4 1/8] hw/i386: Factorize PVH related functions, (continued)
[PATCH v4 3/8] hw/virtio: Factorize virtio-mmio headers, Sergio Lopez, 2019/09/24
[PATCH v4 2/8] hw/i386: Factorize e820 related functions, Sergio Lopez, 2019/09/24
[PATCH v4 5/8] fw_cfg: add "modify" functions for all types, Sergio Lopez, 2019/09/24
[PATCH v4 4/8] hw/i386: split PCMachineState deriving X86MachineState from it, Sergio Lopez, 2019/09/24
- Re: [PATCH v4 4/8] hw/i386: split PCMachineState deriving X86MachineState from it,
Philippe Mathieu-Daudé <=
[PATCH v4 6/8] roms: add microvm-bios (qboot) as binary and git submodule, Sergio Lopez, 2019/09/24
[PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Sergio Lopez, 2019/09/24