#include "qemu/bitmap.h"
#include "qemu/config-file.h"
#include "hw/acpi/acpi.h"
+#include "hw/cpu/icc_bus.h"
+#include "hw/boards.h"
+#include "hw/pci/pci_host.h"
+#include "acpi-build.h"
/* debug PC/ISA interrupts */
//#define DEBUG_IRQ
#define FW_CFG_E820_TABLE (FW_CFG_ARCH_LOCAL + 3)
#define FW_CFG_HPET (FW_CFG_ARCH_LOCAL + 4)
-#define IO_APIC_DEFAULT_ADDRESS 0xfec00000
-
#define E820_NR_ENTRIES 16
struct e820_entry {
void cpu_smm_update(CPUX86State *env)
{
- if (smm_set && smm_arg && env == first_cpu)
+ if (smm_set && smm_arg && CPU(x86_env_get_cpu(env)) == first_cpu) {
smm_set(!!(env->hflags & HF_SMM_MASK), smm_arg);
+ }
}
static void pic_irq_request(void *opaque, int irq, int level)
{
- CPUX86State *env = first_cpu;
+ CPUState *cs = first_cpu;
+ X86CPU *cpu = X86_CPU(cs);
+ CPUX86State *env = &cpu->env;
DPRINTF("pic_irqs: %s irq %d\n", level? "raise" : "lower", irq);
if (env->apic_state) {
- while (env) {
+ CPU_FOREACH(cs) {
+ cpu = X86_CPU(cs);
+ env = &cpu->env;
if (apic_accept_pic_intr(env->apic_state)) {
apic_deliver_pic_intr(env->apic_state, level);
}
- env = env->next_cpu;
}
} else {
- CPUState *cs = CPU(x86_env_get_cpu(env));
if (level) {
cpu_interrupt(cs, CPU_INTERRUPT_HARD);
} else {
return 0;
}
-static int set_boot_dev(ISADevice *s, const char *boot_device, int fd_bootchk)
+static int set_boot_dev(ISADevice *s, const char *boot_device)
{
#define PC_MAX_BOOT_DEVICES 3
int nbds, bds[3] = { 0, };
static int pc_boot_set(void *opaque, const char *boot_device)
{
- return set_boot_dev(opaque, boot_device, 0);
+ return set_boot_dev(opaque, boot_device);
}
typedef struct pc_cmos_init_late_arg {
qemu_unregister_reset(pc_cmos_init_late, opaque);
}
+typedef struct RTCCPUHotplugArg {
+ Notifier cpu_added_notifier;
+ ISADevice *rtc_state;
+} RTCCPUHotplugArg;
+
+static void rtc_notify_cpu_added(Notifier *notifier, void *data)
+{
+ RTCCPUHotplugArg *arg = container_of(notifier, RTCCPUHotplugArg,
+ cpu_added_notifier);
+ ISADevice *s = arg->rtc_state;
+
+ /* increment the number of CPUs */
+ rtc_set_memory(s, 0x5f, rtc_get_memory(s, 0x5f) + 1);
+}
+
void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
const char *boot_device,
ISADevice *floppy, BusState *idebus0, BusState *idebus1,
int val, nb, i;
FDriveType fd_type[2] = { FDRIVE_DRV_NONE, FDRIVE_DRV_NONE };
static pc_cmos_init_late_arg arg;
+ static RTCCPUHotplugArg cpu_hotplug_cb;
/* various important CMOS locations needed by PC/Bochs bios */
/* set the number of CPU */
rtc_set_memory(s, 0x5f, smp_cpus - 1);
+ /* init CPU hotplug notifier */
+ cpu_hotplug_cb.rtc_state = s;
+ cpu_hotplug_cb.cpu_added_notifier.notify = rtc_notify_cpu_added;
+ qemu_register_cpu_added_notifier(&cpu_hotplug_cb.cpu_added_notifier);
- /* set boot devices, and disable floppy signature check if requested */
- if (set_boot_dev(s, boot_device, fd_bootchk)) {
+ if (set_boot_dev(s, boot_device)) {
exit(1);
}
.endianness = DEVICE_LITTLE_ENDIAN,
};
-static int port92_initfn(ISADevice *dev)
+static void port92_initfn(Object *obj)
{
- Port92State *s = PORT92(dev);
+ Port92State *s = PORT92(obj);
- memory_region_init_io(&s->io, &port92_ops, s, "port92", 1);
- isa_register_ioport(dev, &s->io, 0x92);
+ memory_region_init_io(&s->io, OBJECT(s), &port92_ops, s, "port92", 1);
s->outport = 0;
- return 0;
+}
+
+static void port92_realizefn(DeviceState *dev, Error **errp)
+{
+ ISADevice *isadev = ISA_DEVICE(dev);
+ Port92State *s = PORT92(dev);
+
+ isa_register_ioport(isadev, &s->io, 0x92);
}
static void port92_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
- ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
- ic->init = port92_initfn;
+
dc->no_user = 1;
+ dc->realize = port92_realizefn;
dc->reset = port92_reset;
dc->vmsd = &vmstate_port92_isa;
}
.name = TYPE_PORT92,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(Port92State),
+ .instance_init = port92_initfn,
.class_init = port92_class_initfn,
};
return x86_cpu_apic_id_from_index(max_cpus - 1) + 1;
}
-static void *bochs_bios_init(void)
+static FWCfgState *bochs_bios_init(void)
{
- void *fw_cfg;
+ FWCfgState *fw_cfg;
uint8_t *smbios_table;
size_t smbios_len;
uint64_t *numa_fw_cfg;
return size;
}
-static void load_linux(void *fw_cfg,
+static void load_linux(FWCfgState *fw_cfg,
const char *kernel_filename,
const char *initrd_filename,
const char *kernel_cmdline,
DeviceState *cpu_get_current_apic(void)
{
- if (cpu_single_env) {
- return cpu_single_env->apic_state;
+ if (current_cpu) {
+ X86CPU *cpu = X86_CPU(current_cpu);
+ return cpu->env.apic_state;
} else {
return NULL;
}
}
}
-void pc_cpus_init(const char *cpu_model)
+static X86CPU *pc_new_cpu(const char *cpu_model, int64_t apic_id,
+ DeviceState *icc_bridge, Error **errp)
+{
+ X86CPU *cpu;
+ Error *local_err = NULL;
+
+ cpu = cpu_x86_create(cpu_model, icc_bridge, &local_err);
+ if (local_err != NULL) {
+ error_propagate(errp, local_err);
+ return NULL;
+ }
+
+ object_property_set_int(OBJECT(cpu), apic_id, "apic-id", &local_err);
+ object_property_set_bool(OBJECT(cpu), true, "realized", &local_err);
+
+ if (local_err) {
+ error_propagate(errp, local_err);
+ object_unref(OBJECT(cpu));
+ cpu = NULL;
+ }
+ return cpu;
+}
+
+static const char *current_cpu_model;
+
+void pc_hot_add_cpu(const int64_t id, Error **errp)
+{
+ DeviceState *icc_bridge;
+ int64_t apic_id = x86_cpu_apic_id_from_index(id);
+
+ if (id < 0) {
+ error_setg(errp, "Invalid CPU id: %" PRIi64, id);
+ return;
+ }
+
+ if (cpu_exists(apic_id)) {
+ error_setg(errp, "Unable to add CPU: %" PRIi64
+ ", it already exists", id);
+ return;
+ }
+
+ if (id >= max_cpus) {
+ error_setg(errp, "Unable to add CPU: %" PRIi64
+ ", max allowed: %d", id, max_cpus - 1);
+ return;
+ }
+
+ icc_bridge = DEVICE(object_resolve_path_type("icc-bridge",
+ TYPE_ICC_BRIDGE, NULL));
+ pc_new_cpu(current_cpu_model, apic_id, icc_bridge, errp);
+}
+
+void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge)
{
int i;
+ X86CPU *cpu = NULL;
+ Error *error = NULL;
/* init CPUs */
if (cpu_model == NULL) {
cpu_model = "qemu32";
#endif
}
+ current_cpu_model = cpu_model;
for (i = 0; i < smp_cpus; i++) {
- if (!cpu_x86_init(cpu_model)) {
+ cpu = pc_new_cpu(cpu_model, x86_cpu_apic_id_from_index(i),
+ icc_bridge, &error);
+ if (error) {
+ error_report("%s", error_get_pretty(error));
+ error_free(error);
exit(1);
}
}
+
+ /* map APIC MMIO area if CPU has APIC */
+ if (cpu && cpu->env.apic_state) {
+ /* XXX: what if the base changes? */
+ sysbus_mmio_map_overlap(SYS_BUS_DEVICE(icc_bridge), 0,
+ APIC_DEFAULT_ADDRESS, 0x1000);
+ }
+}
+
+/* pci-info ROM file. Little endian format */
+typedef struct PcRomPciInfo {
+ uint64_t w32_min;
+ uint64_t w32_max;
+ uint64_t w64_min;
+ uint64_t w64_max;
+} PcRomPciInfo;
+
+static void pc_fw_cfg_guest_info(PcGuestInfo *guest_info)
+{
+ PcRomPciInfo *info;
+ Object *pci_info;
+ bool ambiguous = false;
+
+ if (!guest_info->has_pci_info || !guest_info->fw_cfg) {
+ return;
+ }
+ pci_info = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous);
+ g_assert(!ambiguous);
+ if (!pci_info) {
+ return;
+ }
+
+ info = g_malloc(sizeof *info);
+ info->w32_min = cpu_to_le64(object_property_get_int(pci_info,
+ PCI_HOST_PROP_PCI_HOLE_START, NULL));
+ info->w32_max = cpu_to_le64(object_property_get_int(pci_info,
+ PCI_HOST_PROP_PCI_HOLE_END, NULL));
+ info->w64_min = cpu_to_le64(object_property_get_int(pci_info,
+ PCI_HOST_PROP_PCI_HOLE64_START, NULL));
+ info->w64_max = cpu_to_le64(object_property_get_int(pci_info,
+ PCI_HOST_PROP_PCI_HOLE64_END, NULL));
+ /* Pass PCI hole info to guest via a side channel.
+ * Required so guest PCI enumeration does the right thing. */
+ fw_cfg_add_file(guest_info->fw_cfg, "etc/pci-info", info, sizeof *info);
+}
+
+typedef struct PcGuestInfoState {
+ PcGuestInfo info;
+ Notifier machine_done;
+} PcGuestInfoState;
+
+static
+void pc_guest_info_machine_done(Notifier *notifier, void *data)
+{
+ PcGuestInfoState *guest_info_state = container_of(notifier,
+ PcGuestInfoState,
+ machine_done);
+ pc_fw_cfg_guest_info(&guest_info_state->info);
+ acpi_setup(&guest_info_state->info);
+}
+
+PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size,
+ ram_addr_t above_4g_mem_size)
+{
+ PcGuestInfoState *guest_info_state = g_malloc0(sizeof *guest_info_state);
+ PcGuestInfo *guest_info = &guest_info_state->info;
+ int i, j;
+
+ guest_info->ram_size = below_4g_mem_size + above_4g_mem_size;
+ guest_info->apic_id_limit = pc_apic_id_limit(max_cpus);
+ guest_info->apic_xrupt_override = kvm_allows_irq0_override();
+ guest_info->numa_nodes = nb_numa_nodes;
+ guest_info->node_mem = g_memdup(node_mem, guest_info->numa_nodes *
+ sizeof *guest_info->node_mem);
+ guest_info->node_cpu = g_malloc0(guest_info->apic_id_limit *
+ sizeof *guest_info->node_cpu);
+
+ for (i = 0; i < max_cpus; i++) {
+ unsigned int apic_id = x86_cpu_apic_id_from_index(i);
+ assert(apic_id < guest_info->apic_id_limit);
+ for (j = 0; j < nb_numa_nodes; j++) {
+ if (test_bit(i, node_cpumask[j])) {
+ guest_info->node_cpu[apic_id] = j;
+ break;
+ }
+ }
+ }
+
+ guest_info_state->machine_done.notify = pc_guest_info_machine_done;
+ qemu_add_machine_init_done_notifier(&guest_info_state->machine_done);
+ return guest_info;
+}
+
+void pc_init_pci64_hole(PcPciInfo *pci_info, uint64_t pci_hole64_start,
+ uint64_t pci_hole64_size)
+{
+ if ((sizeof(hwaddr) == 4) || (!pci_hole64_size)) {
+ return;
+ }
+ /*
+ * BIOS does not set MTRR entries for the 64 bit window, so no need to
+ * align address to power of two. Align address at 1G, this makes sure
+ * it can be exactly covered with a PAT entry even when using huge
+ * pages.
+ */
+ pci_info->w64.begin = ROUND_UP(pci_hole64_start, 0x1ULL << 30);
+ pci_info->w64.end = pci_info->w64.begin + pci_hole64_size;
+ assert(pci_info->w64.begin <= pci_info->w64.end);
}
void pc_acpi_init(const char *default_dsdt)
opts = qemu_opts_parse(qemu_find_opts("acpi"), arg, 0);
g_assert(opts != NULL);
- acpi_table_add(opts, &err);
+ acpi_table_add_builtin(opts, &err);
if (err) {
- fprintf(stderr, "WARNING: failed to load %s: %s\n", filename,
- error_get_pretty(err));
+ error_report("WARNING: failed to load %s: %s", filename,
+ error_get_pretty(err));
error_free(err);
}
g_free(arg);
}
}
-void *pc_memory_init(MemoryRegion *system_memory,
- const char *kernel_filename,
- const char *kernel_cmdline,
- const char *initrd_filename,
- ram_addr_t below_4g_mem_size,
- ram_addr_t above_4g_mem_size,
- MemoryRegion *rom_memory,
- MemoryRegion **ram_memory)
+FWCfgState *pc_memory_init(MemoryRegion *system_memory,
+ const char *kernel_filename,
+ const char *kernel_cmdline,
+ const char *initrd_filename,
+ ram_addr_t below_4g_mem_size,
+ ram_addr_t above_4g_mem_size,
+ MemoryRegion *rom_memory,
+ MemoryRegion **ram_memory,
+ PcGuestInfo *guest_info)
{
int linux_boot, i;
MemoryRegion *ram, *option_rom_mr;
MemoryRegion *ram_below_4g, *ram_above_4g;
- void *fw_cfg;
+ FWCfgState *fw_cfg;
linux_boot = (kernel_filename != NULL);
* with older qemus that used qemu_ram_alloc().
*/
ram = g_malloc(sizeof(*ram));
- memory_region_init_ram(ram, "pc.ram",
+ memory_region_init_ram(ram, NULL, "pc.ram",
below_4g_mem_size + above_4g_mem_size);
vmstate_register_ram_global(ram);
*ram_memory = ram;
ram_below_4g = g_malloc(sizeof(*ram_below_4g));
- memory_region_init_alias(ram_below_4g, "ram-below-4g", ram,
+ memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram,
0, below_4g_mem_size);
memory_region_add_subregion(system_memory, 0, ram_below_4g);
+ if (0) {
+ /*
+ * Ideally we should do that too, but that would ruin the e820
+ * reservations added by seabios before initializing fw_cfg.
+ */
+ e820_add_entry(0, below_4g_mem_size, E820_RAM);
+ }
if (above_4g_mem_size > 0) {
ram_above_4g = g_malloc(sizeof(*ram_above_4g));
- memory_region_init_alias(ram_above_4g, "ram-above-4g", ram,
+ memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", ram,
below_4g_mem_size, above_4g_mem_size);
memory_region_add_subregion(system_memory, 0x100000000ULL,
ram_above_4g);
+ e820_add_entry(0x100000000ULL, above_4g_mem_size, E820_RAM);
}
/* Initialize PC system firmware */
- pc_system_firmware_init(rom_memory);
+ pc_system_firmware_init(rom_memory, guest_info->isapc_ram_fw);
option_rom_mr = g_malloc(sizeof(*option_rom_mr));
- memory_region_init_ram(option_rom_mr, "pc.rom", PC_ROM_SIZE);
+ memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE);
vmstate_register_ram_global(option_rom_mr);
memory_region_add_subregion_overlap(rom_memory,
PC_ROM_MIN_VGA,
for (i = 0; i < nb_option_roms; i++) {
rom_add_option(option_rom[i].name, option_rom[i].bootindex);
}
+ guest_info->fw_cfg = fw_cfg;
return fw_cfg;
}
dev = pcidev ? &pcidev->qdev : NULL;
} else if (isa_bus) {
ISADevice *isadev = isa_vga_init(isa_bus);
- dev = isadev ? &isadev->qdev : NULL;
+ dev = isadev ? DEVICE(isadev) : NULL;
}
return dev;
}
static void cpu_request_exit(void *opaque, int irq, int level)
{
- CPUX86State *env = cpu_single_env;
+ CPUState *cpu = current_cpu;
- if (env && level) {
- cpu_exit(env);
+ if (cpu && level) {
+ cpu_exit(cpu);
}
}
MemoryRegion *ioport80_io = g_new(MemoryRegion, 1);
MemoryRegion *ioportF0_io = g_new(MemoryRegion, 1);
- memory_region_init_io(ioport80_io, &ioport80_io_ops, NULL, "ioport80", 1);
+ memory_region_init_io(ioport80_io, NULL, &ioport80_io_ops, NULL, "ioport80", 1);
memory_region_add_subregion(isa_bus->address_space_io, 0x80, ioport80_io);
- memory_region_init_io(ioportF0_io, &ioportF0_io_ops, NULL, "ioportF0", 1);
+ memory_region_init_io(ioportF0_io, NULL, &ioportF0_io_ops, NULL, "ioportF0", 1);
memory_region_add_subregion(isa_bus->address_space_io, 0xf0, ioportF0_io);
/*
}
if (hpet) {
/* connect PIT to output control line of the HPET */
- qdev_connect_gpio_out(hpet, 0, qdev_get_gpio_in(&pit->qdev, 0));
+ qdev_connect_gpio_out(hpet, 0, qdev_get_gpio_in(DEVICE(pit), 0));
}
pcspk_init(isa_bus, pit);
}
}
}
- a20_line = qemu_allocate_irqs(handle_a20_line_change,
- x86_env_get_cpu(first_cpu), 2);
+ a20_line = qemu_allocate_irqs(handle_a20_line_change, first_cpu, 2);
i8042 = isa_create_simple(isa_bus, "i8042");
i8042_setup_a20_line(i8042, &a20_line[0]);
if (!no_vmport) {
vmmouse = NULL;
}
if (vmmouse) {
- qdev_prop_set_ptr(&vmmouse->qdev, "ps2_mouse", i8042);
- qdev_init_nofail(&vmmouse->qdev);
+ DeviceState *dev = DEVICE(vmmouse);
+ qdev_prop_set_ptr(dev, "ps2_mouse", i8042);
+ qdev_init_nofail(dev);
}
port92 = isa_create_simple(isa_bus, "port92");
port92_init(port92, &a20_line[1]);
if (!pci_bus || (nd->model && strcmp(nd->model, "ne2k_isa") == 0)) {
pc_init_ne2k_isa(isa_bus, nd);
} else {
- pci_nic_init_nofail(nd, "e1000", NULL);
+ pci_nic_init_nofail(nd, pci_bus, "e1000", NULL);
}
}
}
projects / qemu.git / blobdiff