+/* target_ulong is the type of a virtual address */
+#if TARGET_LONG_SIZE == 4
+typedef int32_t target_long;
+typedef uint32_t target_ulong;
+#define TARGET_FMT_lx "%08x"
+#define TARGET_FMT_ld "%d"
+#define TARGET_FMT_lu "%u"
+#elif TARGET_LONG_SIZE == 8
+typedef int64_t target_long;
+typedef uint64_t target_ulong;
+#define TARGET_FMT_lx "%016" PRIx64
+#define TARGET_FMT_ld "%" PRId64
+#define TARGET_FMT_lu "%" PRIu64
+#else
+#error TARGET_LONG_SIZE undefined
+#endif
+
+/* target_phys_addr_t is the type of a physical address (its size can
+ be different from 'target_ulong'). We have sizeof(target_phys_addr)
+ = max(sizeof(unsigned long),
+ sizeof(size_of_target_physical_address)) because we must pass a
+ host pointer to memory operations in some cases */
+
+#if TARGET_PHYS_ADDR_BITS == 32
+typedef uint32_t target_phys_addr_t;
+#define TARGET_FMT_plx "%08x"
+#elif TARGET_PHYS_ADDR_BITS == 64
+typedef uint64_t target_phys_addr_t;
+#define TARGET_FMT_plx "%016" PRIx64
+#else
+#error TARGET_PHYS_ADDR_BITS undefined
+#endif
+
+/* address in the RAM (different from a physical address) */
+typedef unsigned long ram_addr_t;