qemu-kvm 内存虚拟化

digraph { fontname="Helvetica,Arial,sans-serif" //node [fontname="Helvetica,Arial,sans-serif"] //edge [fontname="Helvetica,Arial,sans-serif"] //rankdir="LR" node [fontsize=10, shape=record, height=0.25] edge [fontsize=10] subgraph memory_map_init { label="创建两个AddressSpace：\n address_space_memory,\n address_space_io";

    cluster=true;
    memory_map_init
            -> memory_region_init
            -> object_initialize
            -> object_initialize_with_type
            object_initialize_with_type
            -> object_init_with_type[label="初始化cpu内存"]
            object_init_with_type
            -> memory_region_initfn
          memory_map_init
            -> memory_region_init_io
}

subgraph vm_mem_alloc {
    cluster=true;
    label="虚拟机内存初始化"
    qemu_init_board -> machine_run_board_init
                    -> pc_init_v7_2
                    -> pc_q35_init
                    -> pc_memory_init
}
qemu_init -> qemu_create_machine
          -> cpu_exec_init_all
          -> memory_map_init

}