xref: /openbmc/qemu/include/exec/cputlb.h (revision be21c336)
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_phys(CPUState *cpu, ram_addr_t ram_addr,
26                              target_ulong vaddr);
27 void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry, uintptr_t start,
28                            uintptr_t length);
29 void cpu_tlb_reset_dirty_all(ram_addr_t start1, ram_addr_t length);
30 void tlb_set_dirty(CPUArchState *env, target_ulong vaddr);
31 extern int tlb_flush_count;
32 
33 /* exec.c */
34 void tb_flush_jmp_cache(CPUState *cpu, target_ulong addr);
35 
36 MemoryRegionSection *
37 address_space_translate_for_iotlb(AddressSpace *as, hwaddr addr, hwaddr *xlat,
38                                   hwaddr *plen);
39 hwaddr memory_region_section_get_iotlb(CPUState *cpu,
40                                        MemoryRegionSection *section,
41                                        target_ulong vaddr,
42                                        hwaddr paddr, hwaddr xlat,
43                                        int prot,
44                                        target_ulong *address);
45 bool memory_region_is_unassigned(MemoryRegion *mr);
46 
47 #endif
48 #endif
49