From feddd2fd91524b3457f3f4a20c22285acf887ba8 Mon Sep 17 00:00:00 2001 From: Chao Peng Date: Sat, 5 Nov 2016 03:19:50 -0400 Subject: pc: make pit configurable Signed-off-by: Chao Peng Message-Id: <1478330391-74060-4-git-send-email-chao.p.peng@linux.intel.com> Signed-off-by: Paolo Bonzini --- hw/i386/pc.c | 21 ++++++++++++++++++++- hw/i386/pc_piix.c | 2 +- hw/i386/pc_q35.c | 3 ++- 3 files changed, 23 insertions(+), 3 deletions(-) (limited to 'hw/i386') diff --git a/hw/i386/pc.c b/hw/i386/pc.c index b0beea3ef9..25e8586b48 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1536,6 +1536,7 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, ISADevice **rtc_state, bool create_fdctrl, bool no_vmport, + bool has_pit, uint32_t hpet_irqs) { int i; @@ -1589,7 +1590,7 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, qemu_register_boot_set(pc_boot_set, *rtc_state); - if (!xen_enabled()) { + if (!xen_enabled() && has_pit) { if (kvm_pit_in_kernel()) { pit = kvm_pit_init(isa_bus, 0x40); } else { @@ -2187,6 +2188,20 @@ static void pc_machine_set_sata(Object *obj, bool value, Error **errp) pcms->sata = value; } +static bool pc_machine_get_pit(Object *obj, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + return pcms->pit; +} + +static void pc_machine_set_pit(Object *obj, bool value, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + pcms->pit = value; +} + static void pc_machine_initfn(Object *obj) { PCMachineState *pcms = PC_MACHINE(obj); @@ -2200,6 +2215,7 @@ static void pc_machine_initfn(Object *obj) pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build; pcms->smbus = true; pcms->sata = true; + pcms->pit = true; } static void pc_machine_reset(void) @@ -2366,6 +2382,9 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) object_class_property_add_bool(oc, PC_MACHINE_SATA, pc_machine_get_sata, pc_machine_set_sata, &error_abort); + + object_class_property_add_bool(oc, PC_MACHINE_PIT, + pc_machine_get_pit, pc_machine_set_pit, &error_abort); } static const TypeInfo pc_machine_info = { diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index a54a468c0a..5e1adbe53c 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -235,7 +235,7 @@ static void pc_init1(MachineState *machine, /* init basic PC hardware */ pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, true, - (pcms->vmport != ON_OFF_AUTO_ON), 0x4); + (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit, 0x4); pc_nic_init(isa_bus, pci_bus); diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 205c33e1a2..d042fe0843 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -227,7 +227,8 @@ static void pc_q35_init(MachineState *machine) /* init basic PC hardware */ pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, !mc->no_floppy, - (pcms->vmport != ON_OFF_AUTO_ON), 0xff0104); + (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit, + 0xff0104); /* connect pm stuff to lpc */ ich9_lpc_pm_init(lpc, pc_machine_is_smm_enabled(pcms)); -- cgit v1.2.3