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author | Andreas Färber | 2013-01-10 21:52:28 +0100 |
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committer | Andreas Färber | 2013-01-10 21:52:28 +0100 |
commit | 63e3555e80c31776285accbb4d0c14ae91c457dc (patch) | |
tree | 89907c82724d6519c8bbad7acc15c0198c6f902f /include/sysemu/memory_mapping.h | |
parent | prep: Use pc87312 device instead of collection of random ISA devices (diff) | |
parent | Merge remote-tracking branch 'kraxel/build.1' into staging (diff) | |
download | qemu-63e3555e80c31776285accbb4d0c14ae91c457dc.tar.gz qemu-63e3555e80c31776285accbb4d0c14ae91c457dc.tar.xz qemu-63e3555e80c31776285accbb4d0c14ae91c457dc.zip |
Merge branch 'master' of git://git.qemu.org/qemu into prep-up
Conflicts:
hw/Makefile.objs
hw/ppc_prep.c
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Diffstat (limited to 'include/sysemu/memory_mapping.h')
-rw-r--r-- | include/sysemu/memory_mapping.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/sysemu/memory_mapping.h b/include/sysemu/memory_mapping.h new file mode 100644 index 0000000000..1256125963 --- /dev/null +++ b/include/sysemu/memory_mapping.h @@ -0,0 +1,64 @@ +/* + * 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 { + hwaddr 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, + hwaddr phys_addr, + hwaddr 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 |