diff options
Diffstat (limited to 'target/i386')
-rw-r--r-- | target/i386/cpu-apic.c | 112 | ||||
-rw-r--r-- | target/i386/cpu-sysemu.c | 77 | ||||
-rw-r--r-- | target/i386/meson.build | 1 | ||||
-rw-r--r-- | target/i386/monitor.c | 25 |
4 files changed, 113 insertions, 102 deletions
diff --git a/target/i386/cpu-apic.c b/target/i386/cpu-apic.c new file mode 100644 index 0000000..d397ec94 --- /dev/null +++ b/target/i386/cpu-apic.c @@ -0,0 +1,112 @@ +/* + * QEMU x86 CPU <-> APIC + * + * Copyright (c) 2003-2004 Fabrice Bellard + * + * SPDX-License-Identifier: MIT + */ + +#include "qemu/osdep.h" +#include "qapi/qmp/qdict.h" +#include "qapi/error.h" +#include "monitor/monitor.h" +#include "monitor/hmp-target.h" +#include "sysemu/hw_accel.h" +#include "sysemu/kvm.h" +#include "sysemu/xen.h" +#include "exec/address-spaces.h" +#include "hw/qdev-properties.h" +#include "hw/i386/apic_internal.h" +#include "cpu-internal.h" + +APICCommonClass *apic_get_class(Error **errp) +{ + const char *apic_type = "apic"; + + /* TODO: in-kernel irqchip for hvf */ + if (kvm_enabled()) { + if (!kvm_irqchip_in_kernel()) { + error_setg(errp, "KVM does not support userspace APIC"); + return NULL; + } + apic_type = "kvm-apic"; + } else if (xen_enabled()) { + apic_type = "xen-apic"; + } else if (whpx_apic_in_platform()) { + apic_type = "whpx-apic"; + } + + return APIC_COMMON_CLASS(object_class_by_name(apic_type)); +} + +void x86_cpu_apic_create(X86CPU *cpu, Error **errp) +{ + APICCommonState *apic; + APICCommonClass *apic_class = apic_get_class(errp); + + if (!apic_class) { + return; + } + + cpu->apic_state = DEVICE(object_new_with_class(OBJECT_CLASS(apic_class))); + object_property_add_child(OBJECT(cpu), "lapic", + OBJECT(cpu->apic_state)); + object_unref(OBJECT(cpu->apic_state)); + + /* TODO: convert to link<> */ + apic = APIC_COMMON(cpu->apic_state); + apic->cpu = cpu; + apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE; + + /* + * apic_common_set_id needs to check if the CPU has x2APIC + * feature in case APIC ID >= 255, so we need to set apic->cpu + * before setting APIC ID + */ + qdev_prop_set_uint32(cpu->apic_state, "id", cpu->apic_id); +} + +void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) +{ + APICCommonState *apic; + static bool apic_mmio_map_once; + + if (cpu->apic_state == NULL) { + return; + } + qdev_realize(DEVICE(cpu->apic_state), NULL, errp); + + /* Map APIC MMIO area */ + apic = APIC_COMMON(cpu->apic_state); + if (!apic_mmio_map_once) { + memory_region_add_subregion_overlap(get_system_memory(), + apic->apicbase & + MSR_IA32_APICBASE_BASE, + &apic->io_memory, + 0x1000); + apic_mmio_map_once = true; + } +} + +void hmp_info_local_apic(Monitor *mon, const QDict *qdict) +{ + CPUState *cs; + + if (qdict_haskey(qdict, "apic-id")) { + int id = qdict_get_try_int(qdict, "apic-id", 0); + + cs = cpu_by_arch_id(id); + if (cs) { + cpu_synchronize_state(cs); + } + } else { + cs = mon_get_cpu(mon); + } + + + if (!cs) { + monitor_printf(mon, "No CPU available\n"); + return; + } + x86_cpu_dump_local_apic_state(cs, CPU_DUMP_FPU); +} diff --git a/target/i386/cpu-sysemu.c b/target/i386/cpu-sysemu.c index 3f9093d..227ac02 100644 --- a/target/i386/cpu-sysemu.c +++ b/target/i386/cpu-sysemu.c @@ -19,19 +19,12 @@ #include "qemu/osdep.h" #include "cpu.h" -#include "sysemu/kvm.h" -#include "sysemu/xen.h" -#include "sysemu/whpx.h" #include "qapi/error.h" #include "qapi/qapi-visit-run-state.h" #include "qapi/qmp/qdict.h" #include "qapi/qobject-input-visitor.h" #include "qom/qom-qobject.h" #include "qapi/qapi-commands-machine-target.h" -#include "hw/qdev-properties.h" - -#include "exec/address-spaces.h" -#include "hw/i386/apic_internal.h" #include "cpu-internal.h" @@ -273,75 +266,6 @@ void x86_cpu_machine_reset_cb(void *opaque) cpu_reset(CPU(cpu)); } -APICCommonClass *apic_get_class(Error **errp) -{ - const char *apic_type = "apic"; - - /* TODO: in-kernel irqchip for hvf */ - if (kvm_enabled()) { - if (!kvm_irqchip_in_kernel()) { - error_setg(errp, "KVM does not support userspace APIC"); - return NULL; - } - apic_type = "kvm-apic"; - } else if (xen_enabled()) { - apic_type = "xen-apic"; - } else if (whpx_apic_in_platform()) { - apic_type = "whpx-apic"; - } - - return APIC_COMMON_CLASS(object_class_by_name(apic_type)); -} - -void x86_cpu_apic_create(X86CPU *cpu, Error **errp) -{ - APICCommonState *apic; - APICCommonClass *apic_class = apic_get_class(errp); - - if (!apic_class) { - return; - } - - cpu->apic_state = DEVICE(object_new_with_class(OBJECT_CLASS(apic_class))); - object_property_add_child(OBJECT(cpu), "lapic", - OBJECT(cpu->apic_state)); - object_unref(OBJECT(cpu->apic_state)); - - /* TODO: convert to link<> */ - apic = APIC_COMMON(cpu->apic_state); - apic->cpu = cpu; - apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE; - - /* - * apic_common_set_id needs to check if the CPU has x2APIC - * feature in case APIC ID >= 255, so we need to set apic->cpu - * before setting APIC ID - */ - qdev_prop_set_uint32(cpu->apic_state, "id", cpu->apic_id); -} - -void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) -{ - APICCommonState *apic; - static bool apic_mmio_map_once; - - if (cpu->apic_state == NULL) { - return; - } - qdev_realize(DEVICE(cpu->apic_state), NULL, errp); - - /* Map APIC MMIO area */ - apic = APIC_COMMON(cpu->apic_state); - if (!apic_mmio_map_once) { - memory_region_add_subregion_overlap(get_system_memory(), - apic->apicbase & - MSR_IA32_APICBASE_BASE, - &apic->io_memory, - 0x1000); - apic_mmio_map_once = true; - } -} - GuestPanicInformation *x86_cpu_get_crash_info(CPUState *cs) { X86CPU *cpu = X86_CPU(cs); @@ -385,4 +309,3 @@ void x86_cpu_get_crash_info_qom(Object *obj, Visitor *v, errp); qapi_free_GuestPanicInformation(panic_info); } - diff --git a/target/i386/meson.build b/target/i386/meson.build index 8abce72..0751179 100644 --- a/target/i386/meson.build +++ b/target/i386/meson.build @@ -18,6 +18,7 @@ i386_system_ss.add(files( 'arch_memory_mapping.c', 'machine.c', 'monitor.c', + 'cpu-apic.c', 'cpu-sysemu.c', )) i386_system_ss.add(when: 'CONFIG_SEV', if_true: files('sev.c'), if_false: files('sev-sysemu-stub.c')) diff --git a/target/i386/monitor.c b/target/i386/monitor.c index 3a281da..2d766b2 100644 --- a/target/i386/monitor.c +++ b/target/i386/monitor.c @@ -28,8 +28,6 @@ #include "monitor/hmp-target.h" #include "monitor/hmp.h" #include "qapi/qmp/qdict.h" -#include "sysemu/hw_accel.h" -#include "sysemu/kvm.h" #include "qapi/error.h" #include "qapi/qapi-commands-misc-target.h" #include "qapi/qapi-commands-misc.h" @@ -647,26 +645,3 @@ const MonitorDef *target_monitor_defs(void) { return monitor_defs; } - -void hmp_info_local_apic(Monitor *mon, const QDict *qdict) -{ - CPUState *cs; - - if (qdict_haskey(qdict, "apic-id")) { - int id = qdict_get_try_int(qdict, "apic-id", 0); - - cs = cpu_by_arch_id(id); - if (cs) { - cpu_synchronize_state(cs); - } - } else { - cs = mon_get_cpu(mon); - } - - - if (!cs) { - monitor_printf(mon, "No CPU available\n"); - return; - } - x86_cpu_dump_local_apic_state(cs, CPU_DUMP_FPU); -} |