diff options
Diffstat (limited to 'hw/i386/pc.c')
| -rw-r--r-- | hw/i386/pc.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 2ddce42..6ab4acb 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -937,7 +937,7 @@ void pc_memory_init(PCMachineState *pcms, MemoryRegion **ram_memory) { int linux_boot, i; - MemoryRegion *ram, *option_rom_mr; + MemoryRegion *option_rom_mr; MemoryRegion *ram_below_4g, *ram_above_4g; FWCfgState *fw_cfg; MachineState *machine = MACHINE(pcms); @@ -950,22 +950,20 @@ void pc_memory_init(PCMachineState *pcms, linux_boot = (machine->kernel_filename != NULL); - /* Allocate RAM. We allocate it as a single memory region and use - * aliases to address portions of it, mostly for backwards compatibility - * with older qemus that used qemu_ram_alloc(). + /* + * Split single memory region and use aliases to address portions of it, + * done for backwards compatibility with older qemus. */ - ram = g_malloc(sizeof(*ram)); - memory_region_allocate_system_memory(ram, NULL, "pc.ram", - machine->ram_size); - *ram_memory = ram; + *ram_memory = machine->ram; ram_below_4g = g_malloc(sizeof(*ram_below_4g)); - memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram, + memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", machine->ram, 0, x86ms->below_4g_mem_size); memory_region_add_subregion(system_memory, 0, ram_below_4g); e820_add_entry(0, x86ms->below_4g_mem_size, E820_RAM); if (x86ms->above_4g_mem_size > 0) { ram_above_4g = g_malloc(sizeof(*ram_above_4g)); - memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", ram, + memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", + machine->ram, x86ms->below_4g_mem_size, x86ms->above_4g_mem_size); memory_region_add_subregion(system_memory, 0x100000000ULL, @@ -1952,6 +1950,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; mc->nvdimm_supported = true; mc->numa_mem_supported = true; + mc->default_ram_id = "pc.ram"; object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int", pc_machine_get_device_memory_region_size, NULL, |