+#if 1
+void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed);
+void plat_munmap(void *ptr, size_t size);
+#else
+#define plat_mmap(addr, size, need_exec, is_fixed) \
+ mmap((void *)addr, size, PROT_WRITE | PROT_READ, \
+ MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0)
+#define plat_munmap munmap
+#endif
+