diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 13b68307beba..f4d5b25fdde7 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -817,7 +817,8 @@ void xen_load_linux(PCMachineState *pcms) void pc_memory_init(PCMachineState *pcms, MemoryRegion *system_memory, MemoryRegion *rom_memory, - MemoryRegion **ram_memory) + MemoryRegion **ram_memory, + uint64_t pci_hole64_size) { int linux_boot, i; MemoryRegion *option_rom_mr; diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index b8b3ce340873..aa191d405a10 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -91,6 +91,7 @@ static void pc_init1(MachineState *machine, MemoryRegion *pci_memory; MemoryRegion *rom_memory; ram_addr_t lowmem; + uint64_t hole64_size; DeviceState *i440fx_host; /* @@ -166,10 +167,14 @@ static void pc_init1(MachineState *machine, memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); rom_memory = pci_memory; i440fx_host = qdev_new(host_type); + hole64_size = object_property_get_uint(OBJECT(i440fx_host), + PCI_HOST_PROP_PCI_HOLE64_SIZE, + &error_abort); } else { pci_memory = NULL; rom_memory = system_memory; i440fx_host = NULL; + hole64_size = 0; } pc_guest_info_init(pcms); @@ -186,7 +191,7 @@ static void pc_init1(MachineState *machine, /* allocate ram and load rom/bios */ if (!xen_enabled()) { pc_memory_init(pcms, system_memory, - rom_memory, &ram_memory); + rom_memory, &ram_memory, hole64_size); } else { pc_system_flash_cleanup_unused(pcms); if (machine->kernel_filename != NULL) { diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index f4d23b14695b..307910b33c11 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -138,6 +138,7 @@ static void pc_q35_init(MachineState *machine) MachineClass *mc = MACHINE_GET_CLASS(machine); bool acpi_pcihp; bool keep_pci_slot_hpc; + uint64_t pci_hole64_size = 0; /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping @@ -206,8 +207,15 @@ static void pc_q35_init(MachineState *machine) /* create pci host bus */ q35_host = Q35_HOST_DEVICE(qdev_new(TYPE_Q35_HOST_DEVICE)); + if (pcmc->pci_enabled) { + pci_hole64_size = object_property_get_uint(OBJECT(q35_host), + PCI_HOST_PROP_PCI_HOLE64_SIZE, + &error_abort); + } + /* allocate ram and load rom/bios */ - pc_memory_init(pcms, get_system_memory(), rom_memory, &ram_memory); + pc_memory_init(pcms, get_system_memory(), rom_memory, &ram_memory, + pci_hole64_size); object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host)); object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_RAM_MEM, diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 2a8ffbcfa899..01938fce4c69 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -162,7 +162,8 @@ void xen_load_linux(PCMachineState *pcms); void pc_memory_init(PCMachineState *pcms, MemoryRegion *system_memory, MemoryRegion *rom_memory, - MemoryRegion **ram_memory); + MemoryRegion **ram_memory, + uint64_t pci_hole64_size); uint64_t pc_pci_hole64_start(void); DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus); void pc_basic_device_init(struct PCMachineState *pcms,