/* * QEMU memory mapping * * Copyright Fujitsu, Corp. 2011, 2012 * * Authors: * Wen Congyang <wency@cn.fujitsu.com> * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. * */ #ifndef MEMORY_MAPPING_H #define MEMORY_MAPPING_H #include "qemu-queue.h" /* The physical and virtual address in the memory mapping are contiguous. */ typedef struct MemoryMapping { target_phys_addr_t phys_addr; target_ulong virt_addr; ram_addr_t length; QTAILQ_ENTRY(MemoryMapping) next; } MemoryMapping; typedef struct MemoryMappingList { unsigned int num; MemoryMapping *last_mapping; QTAILQ_HEAD(, MemoryMapping) head; } MemoryMappingList; int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env); bool cpu_paging_enabled(CPUArchState *env); /* * add or merge the memory region [phys_addr, phys_addr + length) into the * memory mapping's list. The region's virtual address starts with virt_addr, * and is contiguous. The list is sorted by phys_addr. */ void memory_mapping_list_add_merge_sorted(MemoryMappingList *list, target_phys_addr_t phys_addr, target_phys_addr_t virt_addr, ram_addr_t length); void memory_mapping_list_free(MemoryMappingList *list); void memory_mapping_list_init(MemoryMappingList *list); /* * Return value: * 0: success * -1: failed * -2: unsupported */ int qemu_get_guest_memory_mapping(MemoryMappingList *list); /* get guest's memory mapping without do paging(virtual address is 0). */ void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list); void memory_mapping_filter(MemoryMappingList *list, int64_t begin, int64_t length); #endif