diff options
Diffstat (limited to 'hw/i386/pc.c')
| -rw-r--r-- | hw/i386/pc.c | 61 |
1 files changed, 42 insertions, 19 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 0d9bd7d635..5e6c0023e0 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1142,28 +1142,31 @@ void pc_basic_device_init(struct PCMachineState *pcms, * Without KVM_CAP_PIT_STATE2, we cannot switch off the in-kernel PIT * when the HPET wants to take over. Thus we have to disable the latter. */ - if (!no_hpet && (!kvm_irqchip_in_kernel() || kvm_has_pit_state2())) { + if (pcms->hpet_enabled && (!kvm_irqchip_in_kernel() || + kvm_has_pit_state2())) { hpet = qdev_try_new(TYPE_HPET); - if (hpet) { - /* For pc-piix-*, hpet's intcap is always IRQ2. For pc-q35-1.7 - * and earlier, use IRQ2 for compat. Otherwise, use IRQ16~23, - * IRQ8 and IRQ2. - */ - uint8_t compat = object_property_get_uint(OBJECT(hpet), - HPET_INTCAP, NULL); - if (!compat) { - qdev_prop_set_uint32(hpet, HPET_INTCAP, hpet_irqs); - } - sysbus_realize_and_unref(SYS_BUS_DEVICE(hpet), &error_fatal); - sysbus_mmio_map(SYS_BUS_DEVICE(hpet), 0, HPET_BASE); + if (!hpet) { + error_report("couldn't create HPET device"); + exit(1); + } + /* For pc-piix-*, hpet's intcap is always IRQ2. For pc-q35-1.7 + * and earlier, use IRQ2 for compat. Otherwise, use IRQ16~23, + * IRQ8 and IRQ2. + */ + uint8_t compat = object_property_get_uint(OBJECT(hpet), + HPET_INTCAP, NULL); + if (!compat) { + qdev_prop_set_uint32(hpet, HPET_INTCAP, hpet_irqs); + } + sysbus_realize_and_unref(SYS_BUS_DEVICE(hpet), &error_fatal); + sysbus_mmio_map(SYS_BUS_DEVICE(hpet), 0, HPET_BASE); - for (i = 0; i < GSI_NUM_PINS; i++) { - sysbus_connect_irq(SYS_BUS_DEVICE(hpet), i, gsi[i]); - } - pit_isa_irq = -1; - pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT); - rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT); + for (i = 0; i < GSI_NUM_PINS; i++) { + sysbus_connect_irq(SYS_BUS_DEVICE(hpet), i, gsi[i]); } + pit_isa_irq = -1; + pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT); + rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT); } *rtc_state = mc146818_rtc_init(isa_bus, 2000, rtc_irq); @@ -1529,6 +1532,20 @@ static void pc_machine_set_pit(Object *obj, bool value, Error **errp) pcms->pit_enabled = value; } +static bool pc_machine_get_hpet(Object *obj, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + return pcms->hpet_enabled; +} + +static void pc_machine_set_hpet(Object *obj, bool value, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + pcms->hpet_enabled = value; +} + static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) @@ -1579,6 +1596,9 @@ static void pc_machine_initfn(Object *obj) pcms->smbus_enabled = true; pcms->sata_enabled = true; pcms->pit_enabled = true; +#ifdef CONFIG_HPET + pcms->hpet_enabled = true; +#endif pc_system_flash_create(pcms); pcms->pcspk = isa_new(TYPE_PC_SPEAKER); @@ -1699,6 +1719,9 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) object_class_property_add_bool(oc, PC_MACHINE_PIT, pc_machine_get_pit, pc_machine_set_pit); + + object_class_property_add_bool(oc, "hpet", + pc_machine_get_hpet, pc_machine_set_hpet); } static const TypeInfo pc_machine_info = { |