# define RAM_ADDR_MAX UINT64_MAX
# define RAM_ADDR_FMT "%" PRIx64
#else
-typedef unsigned long ram_addr_t;
-# define RAM_ADDR_MAX ULONG_MAX
-# define RAM_ADDR_FMT "%lx"
+typedef uintptr_t ram_addr_t;
+# define RAM_ADDR_MAX UINTPTR_MAX
+# define RAM_ADDR_FMT "%" PRIxPTR
#endif
/* memory API */
void cpu_physical_memory_write_rom(target_phys_addr_t addr,
const uint8_t *buf, int len);
-#define IO_MEM_SHIFT 3
-
-#define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */
-#define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */
-#define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT)
-#define IO_MEM_NOTDIRTY (3 << IO_MEM_SHIFT)
-#define IO_MEM_SUBPAGE_RAM (4 << IO_MEM_SHIFT)
-
-/* Acts like a ROM when read and like a device when written. */
-#define IO_MEM_ROMD (1)
-#define IO_MEM_SUBPAGE (2)
+extern struct MemoryRegion io_mem_ram;
+extern struct MemoryRegion io_mem_rom;
+extern struct MemoryRegion io_mem_unassigned;
+extern struct MemoryRegion io_mem_notdirty;
#endif