Commit 2b05ab52 authored by Wen Congyang's avatar Wen Congyang Committed by Luiz Capitulino
Browse files

Add API to get memory mapping without do paging 



crash does not need the virtual address and physical address mapping, and the
mapping does not include the memory that is not referenced by the page table.
crash does not use the virtual address, so we can create the mapping for all
physical memory(virtual address is always 0). This patch provides a API to do
this thing, and it will be used in the following patch.

Signed-off-by: default avatarWen Congyang <wency@cn.fujitsu.com>
Signed-off-by: default avatarLuiz Capitulino <lcapitulino@redhat.com>
parent c517076d

memory_mapping.c

+9 −0
Original line number Diff line number Diff line
@@ -211,3 +211,12 @@ int qemu_get_guest_memory_mapping(MemoryMappingList *list) 
    return 0;

}

#endif



void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list)

{

    RAMBlock *block;



    QLIST_FOREACH(block, &ram_list.blocks, next) {

        create_new_memory_mapping(list, block->offset, 0, block->length);

    }

}

memory_mapping.h

+3 −0
Original line number Diff line number Diff line
@@ -60,6 +60,9 @@ static inline int qemu_get_guest_memory_mapping(MemoryMappingList *list) 
}

#endif



/* get guest's memory mapping without do paging(virtual address is 0). */

void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list);



#else



/* We use MemoryMappingList* in cpu-all.h */