diff --git a/cputlb.h b/cputlb.h
new file mode 100644
index 0000000..0b0b764
--- /dev/null
+++ b/cputlb.h
@@ -0,0 +1,63 @@
+/*
+ *  Common CPU TLB handling
+ *
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef CPUTLB_H
+#define CPUTLB_H
+
+#if !defined(CONFIG_USER_ONLY)
+/* cputlb.c */
+void tlb_protect_code(ram_addr_t ram_addr);
+void tlb_unprotect_code_phys(CPUArchState *env, ram_addr_t ram_addr,
+                             target_ulong vaddr);
+void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry, uintptr_t start,
+                           uintptr_t length);
+MemoryRegionSection *phys_page_find(target_phys_addr_t index);
+void cpu_tlb_reset_dirty_all(ram_addr_t start1, ram_addr_t length);
+void tlb_set_dirty(CPUArchState *env, target_ulong vaddr);
+extern int tlb_flush_count;
+
+/* exec.c */
+target_phys_addr_t section_addr(MemoryRegionSection *section,
+                                target_phys_addr_t addr);
+void tb_flush_jmp_cache(CPUArchState *env, target_ulong addr);
+target_phys_addr_t memory_region_section_get_iotlb(CPUArchState *env,
+                                                   MemoryRegionSection *section,
+                                                   target_ulong vaddr,
+                                                   target_phys_addr_t paddr,
+                                                   int prot,
+                                                   target_ulong *address);
+bool memory_region_is_unassigned(MemoryRegion *mr);
+
+static inline bool is_ram_rom(MemoryRegionSection *s)
+{
+    return memory_region_is_ram(s->mr);
+}
+
+static inline bool is_romd(MemoryRegionSection *s)
+{
+    MemoryRegion *mr = s->mr;
+
+    return mr->rom_device && mr->readable;
+}
+static inline bool is_ram_rom_romd(MemoryRegionSection *s)
+{
+    return is_ram_rom(s) || is_romd(s);
+}
+
+#endif
+#endif