diff options
Diffstat (limited to 'hw/i386/pc.c')
| -rw-r--r-- | hw/i386/pc.c | 65 |
1 files changed, 30 insertions, 35 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index b297a5d..868893d 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1371,11 +1371,13 @@ void pc_memory_init(PCMachineState *pcms, exit(EXIT_FAILURE); } - /* initialize hotplug memory address space */ + /* always allocate the device memory information */ + machine->device_memory = g_malloc0(sizeof(*machine->device_memory)); + + /* initialize device memory address space */ if (pcmc->has_reserved_memory && (machine->ram_size < machine->maxram_size)) { - ram_addr_t hotplug_mem_size = - machine->maxram_size - machine->ram_size; + ram_addr_t device_mem_size = machine->maxram_size - machine->ram_size; if (machine->ram_slots > ACPI_MAX_RAM_SLOTS) { error_report("unsupported amount of memory slots: %"PRIu64, @@ -1390,25 +1392,25 @@ void pc_memory_init(PCMachineState *pcms, exit(EXIT_FAILURE); } - pcms->hotplug_memory.base = + machine->device_memory->base = ROUND_UP(0x100000000ULL + pcms->above_4g_mem_size, 1ULL << 30); if (pcmc->enforce_aligned_dimm) { - /* size hotplug region assuming 1G page max alignment per slot */ - hotplug_mem_size += (1ULL << 30) * machine->ram_slots; + /* size device region assuming 1G page max alignment per slot */ + device_mem_size += (1ULL << 30) * machine->ram_slots; } - if ((pcms->hotplug_memory.base + hotplug_mem_size) < - hotplug_mem_size) { + if ((machine->device_memory->base + device_mem_size) < + device_mem_size) { error_report("unsupported amount of maximum memory: " RAM_ADDR_FMT, machine->maxram_size); exit(EXIT_FAILURE); } - memory_region_init(&pcms->hotplug_memory.mr, OBJECT(pcms), - "hotplug-memory", hotplug_mem_size); - memory_region_add_subregion(system_memory, pcms->hotplug_memory.base, - &pcms->hotplug_memory.mr); + memory_region_init(&machine->device_memory->mr, OBJECT(pcms), + "device-memory", device_mem_size); + memory_region_add_subregion(system_memory, machine->device_memory->base, + &machine->device_memory->mr); } /* Initialize PC system firmware */ @@ -1429,13 +1431,13 @@ void pc_memory_init(PCMachineState *pcms, rom_set_fw(fw_cfg); - if (pcmc->has_reserved_memory && pcms->hotplug_memory.base) { + if (pcmc->has_reserved_memory && machine->device_memory->base) { uint64_t *val = g_malloc(sizeof(*val)); PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); - uint64_t res_mem_end = pcms->hotplug_memory.base; + uint64_t res_mem_end = machine->device_memory->base; if (!pcmc->broken_reserved_end) { - res_mem_end += memory_region_size(&pcms->hotplug_memory.mr); + res_mem_end += memory_region_size(&machine->device_memory->mr); } *val = cpu_to_le64(ROUND_UP(res_mem_end, 0x1ULL << 30)); fw_cfg_add_file(fw_cfg, "etc/reserved-memory-end", val, sizeof(*val)); @@ -1462,12 +1464,13 @@ uint64_t pc_pci_hole64_start(void) { PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); + MachineState *ms = MACHINE(pcms); uint64_t hole64_start = 0; - if (pcmc->has_reserved_memory && pcms->hotplug_memory.base) { - hole64_start = pcms->hotplug_memory.base; + if (pcmc->has_reserved_memory && ms->device_memory->base) { + hole64_start = ms->device_memory->base; if (!pcmc->broken_reserved_end) { - hole64_start += memory_region_size(&pcms->hotplug_memory.mr); + hole64_start += memory_region_size(&ms->device_memory->mr); } } else { hole64_start = 0x100000000ULL + pcms->above_4g_mem_size; @@ -1711,7 +1714,7 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev, goto out; } - pc_dimm_memory_plug(dev, &pcms->hotplug_memory, mr, align, &local_err); + pc_dimm_memory_plug(dev, MACHINE(pcms), align, &local_err); if (local_err) { goto out; } @@ -1761,17 +1764,9 @@ static void pc_dimm_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { PCMachineState *pcms = PC_MACHINE(hotplug_dev); - PCDIMMDevice *dimm = PC_DIMM(dev); - PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *mr; HotplugHandlerClass *hhc; Error *local_err = NULL; - mr = ddc->get_memory_region(dimm, &local_err); - if (local_err) { - goto out; - } - hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev); hhc->unplug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err); @@ -1779,7 +1774,7 @@ static void pc_dimm_unplug(HotplugHandler *hotplug_dev, goto out; } - pc_dimm_memory_unplug(dev, &pcms->hotplug_memory, mr); + pc_dimm_memory_unplug(dev, MACHINE(pcms)); object_unparent(OBJECT(dev)); out: @@ -2068,12 +2063,12 @@ static HotplugHandler *pc_get_hotpug_handler(MachineState *machine, } static void -pc_machine_get_hotplug_memory_region_size(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) +pc_machine_get_device_memory_region_size(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) { - PCMachineState *pcms = PC_MACHINE(obj); - int64_t value = memory_region_size(&pcms->hotplug_memory.mr); + MachineState *ms = MACHINE(obj); + int64_t value = memory_region_size(&ms->device_memory->mr); visit_type_int(v, name, &value, errp); } @@ -2377,8 +2372,8 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) nc->nmi_monitor_handler = x86_nmi; mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; - object_class_property_add(oc, PC_MACHINE_MEMHP_REGION_SIZE, "int", - pc_machine_get_hotplug_memory_region_size, NULL, + object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int", + pc_machine_get_device_memory_region_size, NULL, NULL, NULL, &error_abort); object_class_property_add(oc, PC_MACHINE_MAX_RAM_BELOW_4G, "size", |