qemu/include/exec/cputlb.h

   1 /*
   2  *  Common CPU TLB handling
   3  *
   4  *  Copyright (c) 2003 Fabrice Bellard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #ifndef CPUTLB_H
  20 #define CPUTLB_H
  21
  22 #if !defined(CONFIG_USER_ONLY)
  23 /* cputlb.c */
  24 void tlb_protect_code(ram_addr_t ram_addr);
  25 void tlb_unprotect_code(ram_addr_t ram_addr);
  26 void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry, uintptr_t start,
  27                            uintptr_t length);
  28 void cpu_tlb_reset_dirty_all(ram_addr_t start1, ram_addr_t length);
  29 void tlb_set_dirty(CPUArchState *env, target_ulong vaddr);
  30 extern int tlb_flush_count;
  31
  32 /* exec.c */
  33 void tb_flush_jmp_cache(CPUState *cpu, target_ulong addr);
  34
  35 MemoryRegionSection *
  36 address_space_translate_for_iotlb(CPUState *cpu, hwaddr addr, hwaddr *xlat,
  37                                   hwaddr *plen);
  38 hwaddr memory_region_section_get_iotlb(CPUState *cpu,
  39                                        MemoryRegionSection *section,
  40                                        target_ulong vaddr,
  41                                        hwaddr paddr, hwaddr xlat,
  42                                        int prot,
  43                                        target_ulong *address);
  44 bool memory_region_is_unassigned(MemoryRegion *mr);
  45
  46 #endif
  47 #endif