diff --git a/hw/pc.c b/hw/pc.c index a02b397a24..4aca4986dd 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -71,8 +71,6 @@ #define FW_CFG_E820_TABLE (FW_CFG_ARCH_LOCAL + 3) #define FW_CFG_HPET (FW_CFG_ARCH_LOCAL + 4) -#define MSI_ADDR_BASE 0xfee00000 - #define E820_NR_ENTRIES 16 struct e820_entry { @@ -849,35 +847,6 @@ DeviceState *cpu_get_current_apic(void) } } -static DeviceState *apic_init(void *env, uint8_t apic_id) -{ - DeviceState *dev; - static int apic_mapped; - - if (kvm_irqchip_in_kernel()) { - dev = qdev_create(NULL, "kvm-apic"); - } else if (xen_enabled()) { - dev = qdev_create(NULL, "xen-apic"); - } else { - dev = qdev_create(NULL, "apic"); - } - - qdev_prop_set_uint8(dev, "id", apic_id); - qdev_prop_set_ptr(dev, "cpu_env", env); - qdev_init_nofail(dev); - - /* XXX: mapping more APICs at the same memory location */ - if (apic_mapped == 0) { - /* NOTE: the APIC is directly connected to the CPU - it is not - on the global memory bus. */ - /* XXX: what if the base changes? */ - sysbus_mmio_map(sysbus_from_qdev(dev), 0, MSI_ADDR_BASE); - apic_mapped = 1; - } - - return dev; -} - void pc_acpi_smi_interrupt(void *opaque, int irq, int level) { CPUX86State *s = opaque; @@ -887,24 +856,6 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int level) } } -static X86CPU *pc_new_cpu(const char *cpu_model) -{ - X86CPU *cpu; - CPUX86State *env; - - cpu = cpu_x86_init(cpu_model); - if (cpu == NULL) { - fprintf(stderr, "Unable to find x86 CPU definition\n"); - exit(1); - } - env = &cpu->env; - if ((env->cpuid_features & CPUID_APIC) || smp_cpus > 1) { - env->apic_state = apic_init(env, env->cpuid_apic_id); - } - cpu_reset(CPU(cpu)); - return cpu; -} - void pc_cpus_init(const char *cpu_model) { int i; @@ -918,8 +869,11 @@ void pc_cpus_init(const char *cpu_model) #endif } - for(i = 0; i < smp_cpus; i++) { - pc_new_cpu(cpu_model); + for (i = 0; i < smp_cpus; i++) { + if (!cpu_x86_init(cpu_model)) { + fprintf(stderr, "Unable to find x86 CPU definition\n"); + exit(1); + } } } diff --git a/target-i386/cpu.c b/target-i386/cpu.c index f3a31212eb..18b8549a6f 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -37,6 +37,12 @@ #include #endif +#include "sysemu.h" +#ifndef CONFIG_USER_ONLY +#include "hw/xen.h" +#include "hw/sysbus.h" +#endif + /* feature flags taken from "Intel Processor Identification and the CPUID * Instruction" and AMD's "CPUID Specification". In cases of disagreement * between feature naming conventions, aliases may be added. @@ -1879,12 +1885,63 @@ static void mce_init(X86CPU *cpu) } } +#define MSI_ADDR_BASE 0xfee00000 + +#ifndef CONFIG_USER_ONLY +static void x86_cpu_apic_init(X86CPU *cpu, Error **errp) +{ + static int apic_mapped; + CPUX86State *env = &cpu->env; + const char *apic_type = "apic"; + + if (kvm_irqchip_in_kernel()) { + apic_type = "kvm-apic"; + } else if (xen_enabled()) { + apic_type = "xen-apic"; + } + + env->apic_state = qdev_try_create(NULL, apic_type); + if (env->apic_state == NULL) { + error_setg(errp, "APIC device '%s' could not be created", apic_type); + return; + } + + object_property_add_child(OBJECT(cpu), "apic", + OBJECT(env->apic_state), NULL); + qdev_prop_set_uint8(env->apic_state, "id", env->cpuid_apic_id); + /* TODO: convert to link<> */ + qdev_prop_set_ptr(env->apic_state, "cpu_env", env); + + if (qdev_init(env->apic_state)) { + error_setg(errp, "APIC device '%s' could not be initialized", + object_get_typename(OBJECT(env->apic_state))); + return; + } + + /* XXX: mapping more APICs at the same memory location */ + if (apic_mapped == 0) { + /* NOTE: the APIC is directly connected to the CPU - it is not + on the global memory bus. */ + /* XXX: what if the base changes? */ + sysbus_mmio_map(sysbus_from_qdev(env->apic_state), 0, MSI_ADDR_BASE); + apic_mapped = 1; + } +} +#endif + void x86_cpu_realize(Object *obj, Error **errp) { X86CPU *cpu = X86_CPU(obj); #ifndef CONFIG_USER_ONLY qemu_register_reset(x86_cpu_machine_reset_cb, cpu); + + if (cpu->env.cpuid_features & CPUID_APIC || smp_cpus > 1) { + x86_cpu_apic_init(cpu, errp); + if (error_is_set(errp)) { + return; + } + } #endif mce_init(cpu);