target-i386: Use mulu2 and muls2
[qemu/pbrook.git] / include / sysemu / memory_mapping.h
blob12561259635d39a35d24cc2a70d911a981647c39
1 /*
2 * QEMU memory mapping
4 * Copyright Fujitsu, Corp. 2011, 2012
6 * Authors:
7 * Wen Congyang <wency@cn.fujitsu.com>
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
14 #ifndef MEMORY_MAPPING_H
15 #define MEMORY_MAPPING_H
17 #include "qemu/queue.h"
19 /* The physical and virtual address in the memory mapping are contiguous. */
20 typedef struct MemoryMapping {
21 hwaddr phys_addr;
22 target_ulong virt_addr;
23 ram_addr_t length;
24 QTAILQ_ENTRY(MemoryMapping) next;
25 } MemoryMapping;
27 typedef struct MemoryMappingList {
28 unsigned int num;
29 MemoryMapping *last_mapping;
30 QTAILQ_HEAD(, MemoryMapping) head;
31 } MemoryMappingList;
33 int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env);
34 bool cpu_paging_enabled(CPUArchState *env);
37 * add or merge the memory region [phys_addr, phys_addr + length) into the
38 * memory mapping's list. The region's virtual address starts with virt_addr,
39 * and is contiguous. The list is sorted by phys_addr.
41 void memory_mapping_list_add_merge_sorted(MemoryMappingList *list,
42 hwaddr phys_addr,
43 hwaddr virt_addr,
44 ram_addr_t length);
46 void memory_mapping_list_free(MemoryMappingList *list);
48 void memory_mapping_list_init(MemoryMappingList *list);
51 * Return value:
52 * 0: success
53 * -1: failed
54 * -2: unsupported
56 int qemu_get_guest_memory_mapping(MemoryMappingList *list);
58 /* get guest's memory mapping without do paging(virtual address is 0). */
59 void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list);
61 void memory_mapping_filter(MemoryMappingList *list, int64_t begin,
62 int64_t length);
64 #endif