void qemu_ram_free_from_ptr(ram_addr_t addr);
struct MemoryRegion;
-int cpu_register_io_memory(MemoryRegion *mr);
-void cpu_unregister_io_memory(int table_address);
-
struct MemoryRegionSection;
void cpu_register_physical_memory_log(struct MemoryRegionSection *section,
bool readonly);